Update GB FE

main_gbmeta/My_settings.h

@@ -0,0 +1,6 @@
+// Pokitto config required by PokittoLib
+
+//#define PROJ_SHOW_FPS_COUNTER
+#define PROJ_SCREENMODE 13
+#define PROJ_MODE13 1
+#define PROJ_ENABLE_SOUND 1

main_gbmeta/constants.h

@@ -0,0 +1,582 @@
+/**
+  @file constants.h
+
+  This file contains definitions of game constants that are not considered
+  part of game settings and whose change can ffect the game balance and
+  playability, e.g. physics constants.
+
+  by Miloslav Ciz (drummyfish), 2019
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#ifndef _SFG_CONSTANTS_H
+#define _SFG_CONSTANTS_H
+
+/**
+  How quickly player moves, in squares per second.
+*/
+#define SFG_PLAYER_MOVE_SPEED 7
+
+/**
+  Gravity acceleration in squares / (second^2).
+*/
+#define SFG_GRAVITY_ACCELERATION 30
+
+/**
+  Initial upwards speed of player's jump, in squares per second. 
+*/
+#define SFG_PLAYER_JUMP_SPEED 5
+
+/**
+  Melee and close-up attack range, in RCL_Units.
+*/
+#define SFG_MELEE_RANGE 1600
+
+/**
+  When a projectile is shot, it'll be offset by this distance (in RCL_Units)
+  from the shooter.
+*/
+
+#define SFG_PROJECTILE_SPAWN_OFFSET 256
+
+/**
+  Player's melee hit range, in RCL_Units (RCL_UNITS_PER_SQUARE means full angle,
+  180 degrees to both sides).
+*/
+#define SFG_PLAYER_MELEE_ANGLE 512
+
+/**
+  How quickly elevators and squeezers move, in RCL_Unit per second.
+*/
+#define SFG_MOVING_WALL_SPEED 1024
+
+/**
+  How quickly doors open and close, in RCL_Unit per second.
+*/
+#define SFG_DOOR_OPEN_SPEED 2048
+
+/**
+  Helper special state value.
+*/
+#define SFG_CANT_SAVE 255
+
+/**
+  Says the distance in RCL_Units at which level elements (items, monsters etc.)
+  are active.
+*/
+#define SFG_LEVEL_ELEMENT_ACTIVE_DISTANCE (12 * 1024)
+
+/**
+  Rate at which AI will be updated, which also affects how fast enemies will
+  appear.
+*/
+#define SFG_AI_FPS 4
+
+/**
+  Says a probability (0 - 255) of the AI changing its state during one update
+  step.
+*/
+#define SFG_AI_RANDOM_CHANGE_PROBABILITY 40
+
+/**
+  Distance at which level elements (sprites) collide, in RCL_Unit (1024 per
+  square).
+*/
+#define SFG_ELEMENT_COLLISION_RADIUS 1800
+
+/**
+  Height, in RCL_Units, at which collisions happen with level elements
+  (sprites).
+*/
+#define SFG_ELEMENT_COLLISION_HEIGHT 1024
+
+/**
+  Distance at which explosion does damage and throws away the player, in
+  RCL_Units. Should be higher than SFG_ELEMENT_COLLISION_RADIUS so that
+  exploded rockets also hurt the target.
+*/
+#define SFG_EXPLOSION_RADIUS 2000
+
+/**
+  Distance in RCL_Units which the player is pushed away by an explosion. Watch
+  out, a slightly higher value can make player go through walls. Rather keep
+  this under RCL_UNITS_PER_SQUARE;
+*/
+#define SFG_EXPLOSION_PUSH_AWAY_DISTANCE 1023
+
+/**
+  How much damage triggers a barrel explosion.
+*/
+
+#define SFG_BARREL_EXPLOSION_DAMAGE_THRESHOLD 3
+
+/**
+  Maximum player health.
+*/
+#define SFG_PLAYER_MAX_HEALTH 125
+
+/**
+  Start health of player.
+*/
+#define SFG_PLAYER_START_HEALTH 100
+
+/**
+  At which value health indicator shows a warning (red color).
+*/
+#define SFG_PLAYER_HEALTH_WARNING_LEVEL 20
+
+/**
+  Amount of health that is increased by taking a health kit.
+*/
+#define SFG_HEALTH_KIT_VALUE 20
+
+/**
+  How much randomness (positive and negative) will be added to damage
+  (e.g. by weapons, explosions, ...). This constant is is 0 to 255, 255 meaning
+  100% of the base value.
+*/
+#define SFG_DAMAGE_RANDOMNESS 64 
+
+/**
+  Height of monster collision BBox in RCL_Units.
+*/
+#define SFG_MONSTER_COLLISION_HEIGHT 1024
+
+/**
+  Specifies key repeat delay, in ms.
+*/
+#define SFG_KEY_REPEAT_DELAY 500
+
+/**
+  Specifies key repeat period, in ms.
+*/
+#define SFG_KEY_REPEAT_PERIOD 150
+
+/**
+  Angle in which multiple projectiles are spread, RCL_Units.
+*/
+#define SFG_PROJECTILE_SPREAD_ANGLE 100
+
+#define SFG_MAX_MONSTERS 64
+
+#define SFG_MAX_PROJECTILES 12
+
+#define SFG_MAX_DOORS 32
+
+#define SFG_AMMO_BULLETS 0
+#define SFG_AMMO_ROCKETS 1
+#define SFG_AMMO_PLASMA 2
+
+#define SFG_AMMO_TOTAL 3
+
+#define SFG_AMMO_NONE SFG_AMMO_TOTAL
+
+#define SFG_AMMO_INCREASE_BULLETS 10
+#define SFG_AMMO_INCREASE_ROCKETS 5
+#define SFG_AMMO_INCREASE_PLASMA 8
+
+#define SFG_AMMO_MAX_BULLETS 200
+#define SFG_AMMO_MAX_ROCKETS 100
+#define SFG_AMMO_MAX_PLASMA 150
+
+/**
+  Duration of story text (intro/outro) in ms.
+*/
+#define SFG_STORYTEXT_DURATION 15000
+
+/**
+  Time in ms of the player death animation.
+*/
+#define SFG_LOSE_ANIMATION_DURATION 2000
+
+/**
+  Time in ms of the level win animation.
+*/
+#define SFG_WIN_ANIMATION_DURATION 2500
+
+/**
+  Time in ms of the level start stage.
+*/
+#define SFG_LEVEL_START_DURATION 1500
+
+/**
+  Vertical sprite size, in RCL_Units.
+*/
+#define SFG_BASE_SPRITE_SIZE RCL_UNITS_PER_SQUARE
+
+// ----------------------------
+// derived constants
+
+#define SFG_GAME_RESOLUTION_X \
+  (SFG_SCREEN_RESOLUTION_X / SFG_RESOLUTION_SCALEDOWN)
+
+#define SFG_GAME_RESOLUTION_Y \
+  (SFG_SCREEN_RESOLUTION_Y / SFG_RESOLUTION_SCALEDOWN)
+
+#define SFG_MS_PER_FRAME (1000 / SFG_FPS) // ms per frame with target FPS
+
+#if SFG_MS_PER_FRAME == 0
+  #undef SFG_MS_PER_FRAME
+  #define SFG_MS_PER_FRAME 1
+#endif
+
+#define SFG_KEY_REPEAT_DELAY_FRAMES \
+  (SFG_KEY_REPEAT_DELAY / SFG_MS_PER_FRAME)
+
+#if SFG_KEY_REPEAT_DELAY_FRAMES == 0
+  #undef SFG_KEY_REPEAT_DELAY_FRAMES
+  #define SFG_KEY_REPEAT_DELAY_FRAMES 1
+#endif
+
+#define SFG_KEY_REPEAT_PERIOD_FRAMES \
+  (SFG_KEY_REPEAT_PERIOD / SFG_MS_PER_FRAME)
+
+#if SFG_KEY_REPEAT_PERIOD_FRAMES == 0
+  #undef SFG_KEY_REPEAT_PERIOD_FRAMES
+  #define SFG_KEY_REPEAT_PERIOD_FRAMES 1
+#endif
+
+#define SFG_WEAPON_IMAGE_SCALE \
+  (SFG_GAME_RESOLUTION_X / (SFG_TEXTURE_SIZE * 5))
+
+#if SFG_WEAPON_IMAGE_SCALE == 0
+  #undef SFG_WEAPON_IMAGE_SCALE
+  #define SFG_WEAPON_IMAGE_SCALE 1
+#endif
+
+#define SFG_WEAPONBOB_OFFSET_PIXELS \
+  (SFG_WEAPONBOB_OFFSET * SFG_WEAPON_IMAGE_SCALE)
+
+#define SFG_WEAPON_IMAGE_POSITION_X \
+  (SFG_GAME_RESOLUTION_X / 2 - (SFG_WEAPON_IMAGE_SCALE * SFG_TEXTURE_SIZE) / 2)
+
+#if SFG_GAME_RESOLUTION_Y > 70
+  #define SFG_WEAPON_IMAGE_POSITION_Y \
+    (SFG_GAME_RESOLUTION_Y - (SFG_WEAPON_IMAGE_SCALE * SFG_TEXTURE_SIZE))
+#elif SFG_GAME_RESOLUTION_Y > 50
+  #define SFG_WEAPON_IMAGE_POSITION_Y (SFG_GAME_RESOLUTION_Y \
+    - ((SFG_WEAPON_IMAGE_SCALE * 3 * SFG_TEXTURE_SIZE) / 4))
+#else
+  #define SFG_WEAPON_IMAGE_POSITION_Y \
+    (SFG_GAME_RESOLUTION_Y - SFG_TEXTURE_SIZE / 2)
+#endif
+
+#define SFG_PLAYER_TURN_UNITS_PER_FRAME \
+  ((SFG_PLAYER_TURN_SPEED * RCL_UNITS_PER_SQUARE) / (360 * SFG_FPS))
+
+#if SFG_PLAYER_TURN_UNITS_PER_FRAME == 0
+  #undef SFG_PLAYER_TURN_UNITS_PER_FRAME
+  #define SFG_PLAYER_TURN_UNITS_PER_FRAME 1
+#endif
+
+#define SFG_PLAYER_MOVE_UNITS_PER_FRAME \
+  ((SFG_PLAYER_MOVE_SPEED * RCL_UNITS_PER_SQUARE) / SFG_FPS)
+
+#if SFG_PLAYER_MOVE_UNITS_PER_FRAME == 0
+  #undef SFG_PLAYER_MOVE_UNITS_PER_FRAME
+  #define SFG_PLAYER_MOVE_UNITS_PER_FRAME 1
+#endif
+
+#define SFG_GRAVITY_SPEED_INCREASE_PER_FRAME \
+  ((SFG_GRAVITY_ACCELERATION * RCL_UNITS_PER_SQUARE) / (SFG_FPS * SFG_FPS))
+
+#if SFG_GRAVITY_SPEED_INCREASE_PER_FRAME == 0
+  #undef SFG_GRAVITY_SPEED_INCREASE_PER_FRAME
+  #define SFG_GRAVITY_SPEED_INCREASE_PER_FRAME 1
+#endif
+
+#define SFG_PLAYER_JUMP_OFFSET_PER_FRAME \
+  (((SFG_PLAYER_JUMP_SPEED * RCL_UNITS_PER_SQUARE) / SFG_FPS) \
+  - SFG_GRAVITY_SPEED_INCREASE_PER_FRAME / 2) 
+  /* ^ This substraction corrects the initial veloc. so that the numeric curve
+     copies the analytical (smooth) curve. Without it the numeric curve goes
+     ABOVE and makes player jump higher with lower FPS. To make sense of this
+     try to solve the differential equation and plot it. */
+
+#if SFG_PLAYER_JUMP_OFFSET_PER_FRAME == 0
+  #undef SFG_PLAYER_JUMP_OFFSET_PER_FRAME
+  #define SFG_PLAYER_JUMP_OFFSET_PER_FRAME 1
+#endif
+
+#define SFG_HEADBOB_FRAME_INCREASE_PER_FRAME \
+  (SFG_HEADBOB_SPEED / SFG_FPS)
+
+#if SFG_HEADBOB_FRAME_INCREASE_PER_FRAME == 0
+  #undef SFG_HEADBOB_FRAME_INCREASE_PER_FRAME
+  #define SFG_HEADBOB_FRAME_INCREASE_PER_FRAME 1
+#endif
+
+#define SFG_HEADBOB_ENABLED (SFG_HEADBOB_SPEED > 0 && SFG_HEADBOB_OFFSET > 0)
+
+#define SFG_CAMERA_SHEAR_STEP_PER_FRAME \
+  ((SFG_GAME_RESOLUTION_Y * SFG_CAMERA_SHEAR_SPEED) / SFG_FPS)
+
+#if SFG_CAMERA_SHEAR_STEP_PER_FRAME == 0
+  #undef SFG_CAMERA_SHEAR_STEP_PER_FRAME
+  #define SFG_CAMERA_SHEAR_STEP_PER_FRAME 1
+#endif
+
+#define SFG_CAMERA_MAX_SHEAR_PIXELS \
+  ((SFG_CAMERA_MAX_SHEAR * SFG_GAME_RESOLUTION_Y) / 1024)
+
+#define SFG_FONT_SIZE_SMALL \
+ (SFG_GAME_RESOLUTION_X / (SFG_FONT_CHARACTER_SIZE * 50))
+
+#if SFG_FONT_SIZE_SMALL == 0
+  #undef SFG_FONT_SIZE_SMALL
+  #define SFG_FONT_SIZE_SMALL 1
+#endif
+
+#define SFG_FONT_SIZE_MEDIUM \
+  (SFG_GAME_RESOLUTION_X / (SFG_FONT_CHARACTER_SIZE * 30))
+
+#if SFG_FONT_SIZE_MEDIUM == 0
+  #undef SFG_FONT_SIZE_MEDIUM
+  #define SFG_FONT_SIZE_MEDIUM 1
+#endif
+
+#define SFG_FONT_SIZE_BIG \
+  (SFG_GAME_RESOLUTION_X / (SFG_FONT_CHARACTER_SIZE * 18))
+
+#if SFG_FONT_SIZE_BIG == 0
+  #undef SFG_FONT_SIZE_BIG
+  #define SFG_FONT_SIZE_BIG 1
+#endif
+
+#define SFG_Z_BUFFER_SIZE SFG_GAME_RESOLUTION_X
+
+/**
+  Step in which walls get higher, in raycastlib units.
+*/
+#define SFG_WALL_HEIGHT_STEP (RCL_UNITS_PER_SQUARE / 4)
+
+#define SFG_CEILING_MAX_HEIGHT\
+  (16 * RCL_UNITS_PER_SQUARE - RCL_UNITS_PER_SQUARE / 2 )
+
+#define SFG_DOOR_UP_DOWN_MASK 0x20
+#define SFG_DOOR_LOCK(doorRecord) ((doorRecord) >> 6)
+#define SFG_DOOR_VERTICAL_POSITION_MASK 0x1f
+#define SFG_DOOR_HEIGHT_STEP (RCL_UNITS_PER_SQUARE / 0x1f)
+
+#define SFG_DOOR_INCREMENT_PER_FRAME \
+  (SFG_DOOR_OPEN_SPEED / (SFG_DOOR_HEIGHT_STEP * SFG_FPS))
+
+#if SFG_DOOR_INCREMENT_PER_FRAME == 0
+  #undef SFG_DOOR_INCREMENT_PER_FRAME
+  #define SFG_DOOR_INCREMENT_PER_FRAME 1
+#endif
+
+#define SFG_MAX_ITEMS SFG_MAX_LEVEL_ELEMENTS
+
+#define SFG_MAX_SPRITE_SIZE SFG_GAME_RESOLUTION_X
+
+#define SFG_MAP_PIXEL_SIZE (SFG_GAME_RESOLUTION_Y / SFG_MAP_SIZE)
+
+#if SFG_MAP_PIXEL_SIZE == 0
+  #undef SFG_MAP_PIXEL_SIZE
+  #define SFG_MAP_PIXEL_SIZE 1
+#endif
+
+#define SFG_AI_UPDATE_FRAME_INTERVAL \
+  (SFG_FPS / SFG_AI_FPS)
+
+#if SFG_AI_UPDATE_FRAME_INTERVAL == 0
+  #undef SFG_AI_UPDATE_FRAME_INTERVAL
+  #define SFG_AI_UPDATE_FRAME_INTERVAL 1
+#endif
+
+#define SFG_SPRITE_ANIMATION_FRAME_DURATION \
+  (SFG_FPS / SFG_SPRITE_ANIMATION_SPEED)
+
+#if SFG_SPRITE_ANIMATION_FRAME_DURATION == 0
+  #undef SFG_SPRITE_ANIMATION_FRAME_DURATION
+  #define SFG_SPRITE_ANIMATION_FRAME_DURATION 1
+#endif
+
+#define SFG_HUD_MARGIN (SFG_GAME_RESOLUTION_X / 40)
+
+#define SFG_HUD_BORDER_INDICATOR_WIDTH_PIXELS \
+  (SFG_GAME_RESOLUTION_Y / SFG_HUD_BORDER_INDICATOR_WIDTH)
+
+#define SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES \
+  (SFG_HUD_BORDER_INDICATOR_DURATION / SFG_MS_PER_FRAME)
+
+#if SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES == 0
+  #define SFG_HUD_BORDER_INDICATOR_DURATION_FRAMES 1
+#endif
+
+#define SFG_BLINK_PERIOD_FRAMES (SFG_BLINK_PERIOD / SFG_MS_PER_FRAME)
+
+#define SFG_HUD_BAR_HEIGHT \
+  (SFG_FONT_CHARACTER_SIZE * SFG_FONT_SIZE_MEDIUM + SFG_HUD_MARGIN * 2 + 1)
+
+// ----------------------------
+// monsters
+
+#define SFG_MONSTER_ATTACK_MELEE 0
+#define SFG_MONSTER_ATTACK_FIREBALL 1
+#define SFG_MONSTER_ATTACK_BULLET 2
+#define SFG_MONSTER_ATTACK_FIREBALL_BULLET 3
+#define SFG_MONSTER_ATTACK_PLASMA 4
+#define SFG_MONSTER_ATTACK_EXPLODE 5
+#define SFG_MONSTER_ATTACK_FIREBALL_PLASMA 6
+
+#define SFG_MONSTER_ATTRIBUTE(attackType,aggressivity0to255,health0to255,spriteSize0to3) \
+  ((uint16_t) ( \
+   attackType | \
+   ((aggressivity0to255 / 8) << 3) | \
+   (spriteSize0to3 << 8) | \
+   ((health0to255 / 4) << 10)))
+
+#define SFG_GET_MONSTER_ATTACK_TYPE(monsterNumber) \
+  (SFG_monsterAttributeTable[monsterNumber] & 0x0007)
+
+#define SFG_GET_MONSTER_AGGRESSIVITY(monsterNumber) \
+  (((SFG_monsterAttributeTable[monsterNumber] >> 3) & 0x1F) * 8)
+
+#define SFG_GET_MONSTER_SPRITE_SIZE(monsterNumber) \
+  ((SFG_monsterAttributeTable[monsterNumber] >> 8) & 0x03)
+
+#define SFG_GET_MONSTER_MAX_HEALTH(monsterNumber) \
+  (((SFG_monsterAttributeTable[monsterNumber] >> 10) & 0x3F) * 4)
+
+/**
+  Table of monster attributes, each as a 16bit word in format:
+
+  MSB hhhhhhssaaaattt LSB
+
+  ttt:    attack type
+  aaaaa:  aggressivity (frequence of attacks), 0 to 31
+  ss:     sprite size
+  hhhhhh: health, 0 to 63
+*/
+uint16_t SFG_monsterAttributeTable[SFG_MONSTERS_TOTAL] =
+{
+  /* spider  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL,40,61,2),
+  /* destr.  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL_BULLET,90,170,3),
+  /* warrior */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_MELEE,255,40,1),
+  /* plasma  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_PLASMA,56,92,1),
+  /* ender   */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL_PLASMA,128,255,3),
+  /* turret  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_BULLET,32,23,0),
+  /* explod. */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_EXPLODE,255,36,1)
+};
+
+// ----------------------------
+// weapons and projectiles
+
+#define SFG_WEAPON_KNIFE 0
+#define SFG_WEAPON_SHOTGUN 1
+#define SFG_WEAPON_MACHINE_GUN 2
+#define SFG_WEAPON_ROCKET_LAUNCHER 3
+#define SFG_WEAPON_PLASMAGUN 4
+#define SFG_WEAPON_SOLUTION 5
+
+#define SFG_WEAPONS_TOTAL 6
+
+#define SFG_WEAPON_ATTRIBUTE(fireType,projectileCount,fireCooldownMs) \
+  ((uint8_t) (fireType | ((projectileCount - 1) << 2) | ((fireCooldownMs / (SFG_MS_PER_FRAME * 16)) << 4)))
+
+#define SFG_GET_WEAPON_FIRE_TYPE(weaponNumber) \
+  (SFG_weaponAttributeTable[weaponNumber] & 0x03)
+
+#define SFG_GET_WEAPON_FIRE_COOLDOWN_FRAMES(weaponNumber) \
+  ((SFG_weaponAttributeTable[weaponNumber] >> 4) * 16)
+
+#define SFG_GET_WEAPON_PROJECTILE_COUNT(weaponNumber) \
+  (((SFG_weaponAttributeTable[weaponNumber] >> 2) & 0x03) + 1)
+
+#define SFG_MIN_WEAPON_COOLDOWN_FRAMES 8
+
+#define SFG_WEAPON_FIRE_TYPE_MELEE 0
+#define SFG_WEAPON_FIRE_TYPE_BULLET 1
+#define SFG_WEAPON_FIRE_TYPE_FIREBALL 2
+#define SFG_WEAPON_FIRE_TYPE_PLASMA 3
+
+#define SFG_WEAPON_FIRE_TYPES_TOTAL 4
+
+/**
+  Table of weapon attributes, each as a byte in format:
+
+  MSB ccccnnff LSB
+
+  ff:     fire type
+  nn:     number of projectiles - 1
+  cccc:   fire cooldown in frames, i.e. time after which the next shot can be
+          shot again, ccccc has to be multiplied by 16 to get the real value
+*/
+SFG_PROGRAM_MEMORY uint8_t SFG_weaponAttributeTable[SFG_WEAPONS_TOTAL] =
+{
+  /* knife    */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_MELEE,1,650),    // DPS: 6.2
+  /* shotgun  */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_BULLET,2,1250),  // DPS: 12.8
+  /* m. gun   */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_BULLET,1,700),   // DPS: 11.4
+  /* r. laun. */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_FIREBALL,1,850), // DPS: 28.2
+  /* plasma   */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_PLASMA,1,550),   // DPS: 32.7
+  /* solution */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_PLASMA,4,1050)   // DPS: 85.7
+};
+
+SFG_PROGRAM_MEMORY uint8_t SFG_attackDamageTable[SFG_WEAPON_FIRE_TYPES_TOTAL] =
+{
+  /* melee                 */ 4,
+  /* bullet                */ 8,
+  /* explostion (fireball) */ 24,
+  /* plasma                */ 18
+};
+
+#define SFG_PROJECTILE_EXPLOSION 0
+#define SFG_PROJECTILE_FIREBALL 1
+#define SFG_PROJECTILE_PLASMA 2
+#define SFG_PROJECTILE_DUST 3
+#define SFG_PROJECTILE_BULLET 4
+#define SFG_PROJECTILE_NONE 255
+
+#define SFG_PROJECTILES_TOTAL 5
+
+#define SFG_PROJECTILE_ATTRIBUTE(speedSquaresPerSec,timeToLiveMs) \
+  ((uint8_t) \
+   ((((speedSquaresPerSec / 4 == 0) && (speedSquaresPerSec != 0)) ? 1 : speedSquaresPerSec / 4) | \
+    ((timeToLiveMs / (8 * SFG_MS_PER_FRAME)) << 3)))
+
+#define SFG_GET_PROJECTILE_SPEED_UPS(projectileNumber) \
+  (((SFG_projectileAttributeTable[projectileNumber] & 0x07) * 4 * RCL_UNITS_PER_SQUARE) / SFG_FPS)
+
+#define SFG_GET_PROJECTILE_FRAMES_TO_LIVE(projectileNumber) \
+  ((SFG_projectileAttributeTable[projectileNumber] >> 3) * 8)
+
+/**
+  Table of projectile attributes, each as a byte in format:
+
+  MSB lllllsss LSB
+
+  fff:   half speed in game squares per second
+  lllll: eigth of frames to live
+*/
+
+#define LOW_FPS (SFG_FPS < 24) ///< low FPS needs low speeds, because collisions
+
+SFG_PROGRAM_MEMORY uint8_t SFG_projectileAttributeTable[SFG_PROJECTILES_TOTAL] =
+{
+  /* explosion */ SFG_PROJECTILE_ATTRIBUTE(0,400),
+  /* fireball  */ SFG_PROJECTILE_ATTRIBUTE(10,1000),
+
+#if LOW_FPS
+  /* plasma    */ SFG_PROJECTILE_ATTRIBUTE(17,500),
+#else
+  /* plasma    */ SFG_PROJECTILE_ATTRIBUTE(18,500),
+#endif
+
+  /* dust      */ SFG_PROJECTILE_ATTRIBUTE(0,450),
+
+#if LOW_FPS
+  /* bullet    */ SFG_PROJECTILE_ATTRIBUTE(17,1000)
+#else
+  /* bullet    */ SFG_PROJECTILE_ATTRIBUTE(28,1000)
+#endif
+};
+
+#undef LOW_FPS
+
+#endif // guard

main_gbmeta/demo.h

@@ -0,0 +1,587 @@
+/**
+  @file demo.h
+
+  Simple demo support for Anarch, intended just for testing. This file is not
+  needed for the game, it's just an extra helper.
+
+  by drummyfish, released under CC0 1.0 (public domain)
+*/
+
+#ifndef _DEMO_H
+#define _DEMO_H
+
+#include <stdio.h>
+
+#define UINT32_MAX_VALUE 0xffffffff
+
+typedef struct
+{  
+  uint32_t frame;          // UINT32_MAX_VALUE is the terminating record
+  uint16_t keyStates;
+  int16_t  mouseOffset[2];
+} DemoRecord;
+
+#define DEMO_MAX_RECORDS 1000000
+
+DemoRecord demoRec[DEMO_MAX_RECORDS];
+uint32_t demoRecLength = 0;
+
+// --------- RECORDING ----------
+
+void demoRecordStep()
+{
+  DemoRecord record;
+
+  record.keyStates = 0;
+
+  uint32_t mask = 1;
+
+  for (int i = 0; i < SFG_KEY_COUNT; ++i)
+  {
+    record.keyStates |= SFG_keyPressed(i) ? mask : 0;
+    mask <<= 1;
+  }
+
+  record.mouseOffset[0] = 0; 
+  record.mouseOffset[1] = 0; 
+
+  record.frame = SFG_game.frame;
+
+  record.mouseOffset[0] = SFG_game.mouseOffset[0];
+  record.mouseOffset[1] = SFG_game.mouseOffset[1];
+
+  if (demoRecLength < DEMO_MAX_RECORDS)
+  {
+    if ( 
+         (demoRecLength == 0) ||
+         (     
+           (record.keyStates != demoRec[demoRecLength - 1].keyStates) ||
+           (record.mouseOffset[0] != demoRec[demoRecLength - 1].mouseOffset[0]) ||     
+           (record.mouseOffset[1] != demoRec[demoRecLength - 1].mouseOffset[1])     
+         ))
+    {
+      demoRec[demoRecLength] = record;
+      demoRecLength++;
+    }
+  }
+  else
+    printf("max demo records reached!\n");
+}
+
+// ---------- PLAYING -----------
+
+static const DemoRecord demoPlay[] =
+{
+{0,0,{0,0}},{63,16,{0,0}},{67,0,{0,0}},{78,16,{0,0}},
+{83,0,{0,0}},{147,4,{0,0}},{153,516,{0,0}},{174,516,{10,-2}},
+{175,516,{5,-2}},{176,516,{3,-1}},{177,516,{3,0}},{178,516,{20,-2}},
+{179,516,{21,0}},{180,516,{42,1}},{181,516,{19,1}},{182,516,{26,3}},
+{182,512,{26,3}},{183,512,{46,5}},{184,512,{21,3}},{185,512,{20,1}},
+{186,512,{34,6}},{187,512,{54,7}},{188,512,{18,3}},{189,512,{20,1}},
+{190,512,{0,0}},{192,512,{0,-1}},{193,513,{0,0}},{195,513,{-2,-7}},
+{196,513,{-4,-8}},{197,513,{-4,-6}},{198,513,{-14,-19}},{199,513,{-10,-14}},
+{200,513,{-19,-22}},{201,513,{-17,-15}},{202,1,{-21,-17}},{203,1,{-20,-17}},
+{204,1,{-25,-16}},{205,1,{-22,-15}},{206,1,{-33,-19}},{207,1,{-81,-49}},
+{208,1,{-50,-28}},{209,1,{-56,-30}},{210,1,{-123,-59}},{211,1,{-62,-31}},
+{212,257,{-104,-56}},{213,257,{-61,-31}},{215,257,{-125,-62}},{216,257,{-59,-28}},
+{217,257,{-58,-28}},{218,257,{-109,-58}},{219,257,{-34,-22}},{220,257,{-16,-11}},
+{220,289,{-16,-11}},{221,289,{-45,-31}},{222,289,{-33,-19}},{223,289,{-7,-7}},
+{225,289,{-1,-1}},{227,289,{0,0}},{228,417,{0,0}},{230,417,{-1,0}},
+{230,161,{-1,0}},{231,161,{1,-1}},{232,161,{0,-1}},{233,385,{0,-1}},
+{234,385,{0,-4}},{236,385,{-5,-12}},{236,257,{-5,-12}},{237,257,{-1,-3}},
+{238,257,{0,-1}},{239,257,{0,0}},{240,257,{0,-3}},{241,257,{1,-3}},
+{242,257,{0,0}},{243,1,{7,-4}},{243,33,{7,-4}},{244,33,{23,-5}},
+{245,33,{19,-2}},{246,33,{27,0}},{247,33,{11,0}},{248,33,{3,0}},
+{249,33,{12,0}},{250,33,{7,0}},{251,33,{45,1}},{252,33,{36,2}},
+{253,33,{40,2}},{254,33,{48,3}},{255,33,{28,0}},{256,32,{21,1}},
+{257,32,{54,0}},{258,32,{28,0}},{259,32,{71,-5}},{260,32,{32,-3}},
+{261,32,{34,0}},{262,32,{55,-3}},{263,32,{23,0}},{264,32,{16,0}},
+{265,0,{25,0}},{266,0,{16,-2}},{267,0,{13,-2}},{268,0,{42,-2}},
+{269,0,{21,-2}},{270,0,{42,-2}},{271,0,{7,-2}},{272,0,{18,-2}},
+{273,0,{37,-2}},{274,0,{21,-4}},{275,0,{9,-3}},{276,0,{3,-1}},
+{277,0,{0,0}},{278,0,{0,-1}},{279,0,{0,0}},{280,0,{-3,1}},
+{281,0,{0,-1}},{282,0,{0,-2}},{282,1,{0,-2}},{283,1,{0,-1}},
+{285,1,{-1,-1}},{286,1,{-1,-2}},{287,1,{-1,-1}},{288,1,{0,-1}},
+{289,1,{-1,0}},{290,1,{0,0}},{291,1,{2,-2}},{292,1,{16,-4}},
+{293,1,{22,0}},{294,1,{73,6}},{295,1,{47,2}},{296,257,{36,2}},
+{297,257,{91,8}},{298,257,{53,4}},{299,257,{56,4}},{299,385,{56,4}},
+{300,385,{58,2}},{301,385,{64,2}},{302,385,{61,0}},{302,384,{61,0}},
+{303,384,{111,2}},{304,384,{60,0}},{305,384,{59,0}},{306,385,{102,4}},
+{307,385,{67,0}},{308,385,{71,4}},{309,385,{146,4}},{310,385,{74,4}},
+{311,385,{76,2}},{312,385,{151,4}},{313,385,{77,2}},{314,385,{75,2}},
+{314,384,{75,2}},{315,384,{162,4}},{316,384,{0,0}},{317,384,{62,3}},
+{318,384,{82,2}},{319,384,{83,4}},{320,384,{80,2}},{321,384,{118,2}},
+{322,384,{72,2}},{323,384,{76,4}},{324,384,{178,12}},{325,384,{93,7}},
+{326,384,{91,7}},{327,384,{157,14}},{328,128,{80,7}},{329,128,{84,7}},
+{330,128,{170,14}},{330,0,{170,14}},{331,0,{85,7}},{332,0,{84,9}},
+{333,0,{85,9}},{333,512,{85,9}},{334,512,{61,6}},{335,512,{77,9}},
+{336,512,{59,6}},{337,512,{65,6}},{338,0,{157,16}},{339,0,{84,12}},
+{340,0,{79,12}},{341,0,{140,21}},{342,0,{72,9}},{343,0,{45,8}},
+{344,0,{130,16}},{345,0,{40,6}},{346,0,{24,2}},{347,0,{0,0}},
+{348,0,{2,0}},{349,0,{-6,1}},{350,0,{0,0}},{352,0,{1,-5}},
+{353,0,{0,0}},{354,0,{-9,-10}},{355,0,{-13,-10}},{356,0,{-13,-12}},
+{357,0,{-38,-22}},{358,0,{-18,-9}},{359,0,{-46,-27}},{359,256,{-46,-27}},
+{360,256,{-31,-15}},{361,256,{-30,-14}},{362,256,{-60,-26}},{363,256,{-33,-15}},
+{364,256,{-28,-12}},{365,256,{-61,-27}},{366,256,{-36,-17}},{368,257,{-36,-17}},
+{369,257,{-27,-14}},{370,257,{-30,-21}},{371,257,{0,0}},{372,257,{-3,-3}},
+{373,257,{0,0}},{374,129,{-1,-1}},{374,161,{-1,-1}},{375,161,{0,-1}},
+{376,161,{21,-12}},{377,161,{26,-4}},{378,161,{26,0}},{379,161,{44,3}},
+{380,161,{13,1}},{381,161,{5,1}},{382,33,{22,1}},{383,33,{8,1}},
+{384,33,{13,0}},{385,33,{66,4}},{386,1,{36,6}},{387,1,{29,5}},
+{388,0,{46,5}},{389,0,{0,0}},{391,0,{-13,1}},{392,0,{0,0}},
+{393,0,{0,-1}},{394,0,{3,0}},{395,0,{11,1}},{396,0,{26,9}},
+{397,0,{14,8}},{398,0,{19,10}},{399,4,{16,9}},{400,4,{1,2}},
+{401,4,{4,4}},{402,4,{17,15}},{403,4,{13,13}},{404,4,{15,13}},
+{405,4,{58,42}},{406,4,{43,24}},{407,4,{52,25}},{407,260,{52,25}},
+{408,260,{62,23}},{409,260,{64,23}},{409,256,{64,23}},{410,256,{141,50}},
+{411,256,{78,26}},{412,256,{68,21}},{413,256,{139,45}},{414,256,{76,21}},
+{415,256,{83,19}},{416,256,{153,38}},{417,256,{69,14}},{418,256,{155,36}},
+{419,256,{76,19}},{420,256,{80,19}},{421,256,{88,22}},{422,256,{177,41}},
+{423,384,{88,22}},{424,384,{178,44}},{425,384,{86,19}},{426,384,{76,21}},
+{427,384,{66,17}},{427,388,{66,17}},{428,388,{86,22}},{429,388,{85,22}},
+{430,388,{82,19}},{431,388,{174,44}},{432,388,{80,24}},{433,132,{154,43}},
+{434,132,{83,24}},{435,132,{80,21}},{436,132,{172,46}},{437,132,{86,24}},
+{437,644,{86,24}},{438,644,{167,46}},{439,644,{78,23}},{440,644,{86,22}},
+{441,644,{81,23}},{442,644,{146,43}},{443,644,{78,22}},{444,644,{137,37}},
+{445,644,{71,16}},{446,644,{73,19}},{447,640,{144,35}},{448,640,{73,18}},
+{449,640,{74,21}},{450,640,{69,18}},{451,640,{100,31}},{452,640,{30,12}},
+{453,640,{2,1}},{454,640,{-4,-1}},{455,640,{-24,1}},{456,640,{0,0}},
+{456,129,{0,0}},{457,129,{-1,-3}},{458,129,{-3,-5}},{459,385,{-22,-17}},
+{460,385,{-18,-13}},{461,385,{-22,-13}},{462,385,{-52,-36}},{463,385,{-32,-22}},
+{464,385,{0,0}},{465,385,{-33,-20}},{466,385,{-100,-50}},{467,385,{-53,-26}},
+{468,385,{-103,-46}},{469,385,{-49,-21}},{470,385,{-55,-26}},{471,385,{-58,-23}},
+{472,385,{-64,-26}},{473,385,{-133,-55}},{474,385,{-79,-30}},{475,385,{-82,-32}},
+{476,385,{-84,-35}},{477,385,{-173,-72}},{478,385,{-90,-38}},{479,385,{-89,-38}},
+{480,385,{-179,-73}},{481,385,{-85,-35}},{482,385,{-89,-40}},{483,385,{-193,-86}},
+{483,129,{-193,-86}},{484,129,{-98,-48}},{485,129,{-209,-95}},{486,129,{-107,-48}},
+{487,129,{-102,-46}},{488,129,{-176,-86}},{489,129,{-93,-43}},{490,129,{-85,-45}},
+{491,641,{-172,-90}},{492,641,{-81,-44}},{493,641,{-77,-42}},{494,641,{-166,-87}},
+{495,640,{-83,-43}},{496,640,{-81,-42}},{497,640,{-85,-43}},{498,640,{-86,-46}},
+{499,640,{-155,-79}},{500,640,{-62,-34}},{501,640,{-64,-36}},{502,640,{0,0}},
+{503,640,{-70,-37}},{504,640,{-67,-34}},{505,640,{-138,-62}},{506,640,{-70,-27}},
+{507,896,{-53,-21}},{508,384,{-122,-40}},{509,384,{-66,-22}},{510,384,{-72,-20}},
+{511,384,{-77,-22}},{512,384,{-74,-22}},{513,384,{-66,-19}},{514,384,{-61,-19}},
+{514,388,{-61,-19}},{515,388,{-72,-22}},{516,388,{-156,-42}},{517,388,{-87,-23}},
+{518,388,{-87,-25}},{519,388,{-154,-49}},{520,388,{-77,-25}},{521,388,{-72,-27}},
+{522,388,{-144,-53}},{523,388,{-50,-28}},{524,388,{-29,-23}},{525,384,{-8,-8}},
+{526,384,{-4,-5}},{527,384,{0,-2}},{528,384,{20,-31}},{529,384,{18,-19}},
+{530,128,{41,-29}},{530,640,{41,-29}},{531,640,{117,-54}},{532,640,{71,-24}},
+{533,640,{83,-23}},{533,641,{83,-23}},{534,641,{166,-37}},{535,641,{91,-13}},
+{536,641,{199,-13}},{537,641,{106,-3}},{538,641,{102,-3}},{539,641,{108,0}},
+{540,641,{95,2}},{541,641,{97,0}},{542,641,{96,2}},{543,129,{216,7}},
+{544,129,{121,5}},{544,385,{121,5}},{545,385,{117,5}},{546,385,{208,10}},
+{547,385,{91,4}},{548,385,{108,5}},{549,385,{195,9}},{550,385,{104,4}},
+{551,385,{108,5}},{552,385,{205,10}},{553,385,{109,5}},{554,385,{221,12}},
+{555,385,{111,7}},{556,385,{108,7}},{557,385,{192,12}},{558,385,{105,5}},
+{558,384,{105,5}},{559,384,{119,7}},{560,384,{258,12}},{561,384,{125,5}},
+{562,384,{103,7}},{563,384,{207,17}},{564,384,{93,7}},{565,384,{90,7}},
+{566,384,{219,17}},{567,384,{118,10}},{568,384,{119,12}},{569,384,{209,27}},
+{570,896,{100,12}},{571,896,{204,24}},{572,640,{105,12}},{573,640,{107,12}},
+{574,640,{108,15}},{575,640,{199,32}},{576,640,{102,14}},{577,640,{88,14}},
+{578,640,{0,0}},{579,640,{102,14}},{580,640,{99,14}},{581,640,{98,14}},
+{582,640,{120,22}},{582,641,{120,22}},{583,641,{16,4}},{584,641,{0,0}},
+{585,385,{-29,0}},{586,385,{-11,2}},{587,385,{-5,4}},{588,384,{-1,-1}},
+{589,384,{-17,-7}},{590,384,{-56,-22}},{591,384,{-41,-15}},{592,384,{-47,-18}},
+{593,384,{-53,-21}},{594,384,{-132,-52}},{595,384,{-76,-32}},{596,384,{-72,-27}},
+{597,384,{-153,-54}},{598,384,{-67,-22}},{599,384,{-69,-24}},{600,384,{-129,-47}},
+{601,384,{-77,-27}},{602,384,{-80,-27}},{603,384,{-172,-54}},{604,384,{-76,-24}},
+{605,384,{-136,-50}},{606,384,{-67,-24}},{607,384,{-76,-27}},{608,384,{-142,-48}},
+{609,384,{-77,-22}},{610,384,{-75,-22}},{610,385,{-75,-22}},{611,385,{-135,-43}},
+{612,385,{-62,-24}},{613,385,{-42,-20}},{614,385,{-26,-22}},{615,385,{0,0}},
+{616,385,{18,17}},{617,385,{-4,-4}},{618,385,{0,0}},{619,129,{0,0}},
+{620,129,{-1,-1}},{621,129,{0,0}},{622,129,{0,-2}},{623,129,{2,-3}},
+{624,129,{8,-9}},{625,129,{0,0}},{626,129,{1,-2}},{627,129,{0,-1}},
+{628,129,{4,-4}},{629,129,{14,-9}},{630,129,{47,-10}},{631,129,{31,-4}},
+{632,129,{16,-2}},{633,129,{52,-2}},{634,129,{45,4}},{635,129,{56,4}},
+{636,129,{142,16}},{637,641,{80,9}},{638,641,{169,24}},{639,641,{90,14}},
+{640,641,{100,20}},{641,641,{111,22}},{642,641,{250,56}},{643,641,{120,25}},
+{644,641,{106,35}},{645,641,{14,6}},{646,129,{2,1}},{647,129,{-43,-9}},
+{648,129,{-17,1}},{648,385,{-17,1}},{649,385,{-1,3}},{650,385,{-36,-29}},
+{651,385,{-47,-25}},{652,385,{0,0}},{653,385,{-165,-92}},{654,385,{-90,-48}},
+{655,385,{-88,-48}},{656,385,{-190,-92}},{657,385,{-96,-43}},{658,385,{-93,-40}},
+{658,384,{-93,-40}},{659,384,{-185,-78}},{660,384,{-93,-40}},{661,384,{-98,-46}},
+{662,384,{-193,-83}},{663,384,{-99,-41}},{664,384,{-96,-36}},{665,384,{-170,-67}},
+{666,384,{-91,-33}},{667,384,{-65,-31}},{668,384,{-136,-65}},{669,385,{-75,-34}},
+{670,385,{-63,-31}},{671,385,{-95,-56}},{672,385,{-26,-20}},{673,385,{-5,-5}},
+{674,385,{34,33}},{675,385,{0,7}},{676,129,{3,-6}},{677,129,{56,-21}},
+{678,641,{37,-5}},{679,641,{53,2}},{680,641,{67,11}},{681,641,{68,14}},
+{682,641,{163,29}},{683,641,{89,14}},{684,641,{91,17}},{685,641,{184,32}},
+{686,641,{90,17}},{687,641,{93,19}},{688,641,{178,39}},{689,641,{91,19}},
+{690,641,{0,0}},{691,641,{85,16}},{692,641,{205,45}},{693,641,{77,21}},
+{694,641,{143,33}},{695,641,{46,13}},{696,641,{53,11}},{697,641,{130,23}},
+{698,129,{62,9}},{699,129,{68,9}},{700,129,{24,3}},{701,129,{0,0}},
+{702,129,{6,-1}},{703,129,{-6,6}},{704,129,{6,-15}},{705,129,{2,-13}},
+{706,129,{-5,-14}},{706,385,{-5,-14}},{707,385,{-9,-22}},{708,385,{-44,-50}},
+{709,385,{-41,-36}},{710,385,{-44,-35}},{711,385,{-120,-86}},{712,385,{-71,-44}},
+{713,385,{-76,-39}},{714,385,{-166,-82}},{715,385,{-84,-40}},{716,385,{-80,-39}},
+{717,385,{-160,-74}},{718,384,{-79,-37}},{719,384,{-170,-70}},{720,384,{-84,-35}},
+{721,384,{-156,-66}},{722,384,{-64,-29}},{723,384,{-69,-31}},{724,384,{-109,-60}},
+{725,384,{-52,-30}},{725,385,{-52,-30}},{726,385,{-40,-27}},{727,385,{-34,-26}},
+{728,385,{16,16}},{729,385,{0,0}},{730,385,{-12,-15}},{731,385,{-5,-5}},
+{732,385,{0,-1}},{733,129,{0,0}},{734,129,{0,-1}},{735,129,{33,-16}},
+{736,129,{44,-9}},{737,129,{107,-12}},{738,129,{36,0}},{739,641,{56,4}},
+{740,641,{134,14}},{741,641,{85,14}},{742,641,{92,19}},{743,641,{185,37}},
+{744,641,{87,17}},{745,641,{76,16}},{746,641,{146,31}},{747,641,{70,14}},
+{747,129,{70,14}},{748,129,{57,13}},{749,129,{62,11}},{750,129,{0,0}},
+{751,129,{1,-1}},{752,129,{-15,10}},{753,129,{4,-10}},{754,129,{0,-21}},
+{755,385,{-22,-64}},{756,385,{-19,-38}},{757,385,{-29,-37}},{758,385,{-78,-85}},
+{759,385,{-56,-46}},{760,385,{-119,-84}},{761,385,{-65,-41}},{762,385,{-71,-44}},
+{763,385,{-146,-90}},{764,385,{-79,-47}},{765,385,{0,0}},{766,385,{-72,-39}},
+{766,129,{-72,-39}},{767,129,{-142,-82}},{768,129,{-43,-34}},{768,641,{-43,-34}},
+{769,641,{-17,-19}},{770,641,{-6,-5}},{771,641,{0,-1}},{772,641,{3,12}},
+{773,641,{4,-9}},{774,641,{21,-22}},{775,641,{38,-26}},{776,641,{111,-32}},
+{777,641,{74,-5}},{778,641,{159,4}},{779,641,{89,4}},{780,641,{85,7}},
+{781,641,{124,13}},{782,129,{33,1}},{783,129,{6,1}},{784,129,{0,0}},
+{785,129,{-10,1}},{786,385,{-16,10}},{787,385,{-2,-3}},{788,385,{-3,-3}},
+{789,385,{-41,-20}},{790,385,{-74,-30}},{791,385,{-45,-20}},{792,385,{-56,-24}},
+{793,385,{-68,-27}},{794,385,{-159,-64}},{795,385,{-93,-38}},{796,385,{-92,-35}},
+{797,385,{-179,-67}},{798,385,{-85,-33}},{799,385,{-169,-62}},{800,385,{-87,-30}},
+{801,385,{-87,-35}},{802,385,{0,0}},{803,385,{-185,-74}},{804,385,{-96,-38}},
+{805,385,{-84,-35}},{806,385,{-173,-67}},{807,385,{-76,-32}},{808,385,{-128,-60}},
+{809,385,{-73,-29}},{810,385,{-145,-56}},{811,897,{-67,-27}},{812,897,{-69,-26}},
+{813,641,{-73,-25}},{814,641,{-152,-56}},{815,641,{-75,-30}},{816,641,{-153,-51}},
+{817,641,{-75,-27}},{817,640,{-75,-27}},{818,640,{-75,-24}},{819,640,{-77,-27}},
+{820,640,{-77,-22}},{822,640,{-78,-22}},{823,640,{-145,-41}},{824,640,{-74,-22}},
+{825,640,{-75,-20}},{826,640,{-156,-39}},{827,640,{-141,-34}},{828,640,{-75,-17}},
+{828,644,{-75,-17}},{829,644,{-60,-14}},{830,644,{-71,-10}},{831,644,{-140,-22}},
+{832,644,{-77,-10}},{832,132,{-77,-10}},{833,132,{-81,-13}},{834,388,{-138,-24}},
+{835,388,{-74,-15}},{836,388,{-146,-27}},{837,388,{-71,-12}},{837,384,{-71,-12}},
+{838,384,{-71,-10}},{839,384,{-71,-12}},{840,384,{-53,-11}},{841,384,{-68,-15}},
+{842,384,{-55,-12}},{843,384,{-110,-28}},{844,384,{-57,-16}},{845,384,{-73,-26}},
+{846,384,{-18,-9}},{847,384,{0,0}},{848,385,{-6,-6}},{849,385,{4,3}},
+{850,385,{0,0}},{851,129,{-1,-1}},{852,129,{6,-11}},{853,129,{15,-11}},
+{854,129,{52,-24}},{855,129,{34,-9}},{856,129,{34,-5}},{857,129,{96,-5}},
+{858,129,{45,-3}},{859,129,{58,-3}},{860,129,{129,-3}},{861,129,{73,0}},
+{862,129,{67,0}},{863,129,{124,0}},{864,129,{43,2}},{865,129,{62,2}},
+{866,129,{133,9}},{866,641,{133,9}},{867,641,{64,4}},{868,641,{65,4}},
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+{1578,641,{11,1}},{1579,641,{2,0}},{1580,641,{0,0}},{1581,641,{-1,0}},
+{1581,129,{-1,0}},{1582,129,{-4,2}},{1583,257,{-1,-1}},{1584,257,{0,0}},
+{1585,257,{-11,-4}},{1586,257,{-52,-21}},{1587,257,{-41,-13}},{1588,257,{-49,-16}},
+{1589,257,{-112,-39}},{1590,257,{-42,-16}},{1591,257,{-98,-36}},{1592,257,{-48,-18}},
+{1593,257,{-47,-18}},{1594,257,{-85,-35}},{1595,257,{-36,-17}},{1596,257,{-13,-8}},
+{1597,257,{-7,-7}},{1598,257,{-2,-2}},{1599,257,{2,5}},{1600,257,{2,-3}},
+{1601,1,{38,-18}},{1602,1,{23,-4}},{1603,1,{28,-4}},{1603,129,{28,-4}},
+{1604,129,{34,-5}},{1605,129,{90,-5}},{1606,129,{50,0}},{1607,129,{59,0}},
+{1608,641,{122,4}},{1609,641,{58,2}},{1610,641,{51,4}},{1611,641,{96,4}},
+{1612,641,{47,2}},{1613,641,{55,2}},{1614,641,{81,4}},{1615,641,{20,0}},
+{1616,641,{37,-3}},{1617,641,{11,-3}},{1618,641,{1,-2}},{1619,641,{0,0}},
+{1619,385,{0,0}},{1622,385,{0,-1}},{1623,385,{-10,-24}},{1624,385,{-13,-16}},
+{1625,385,{-22,-22}},{1626,385,{-68,-61}},{1627,385,{-41,-34}},{1628,385,{-83,-63}},
+{1629,385,{-40,-27}},{1630,385,{-32,-21}},{1631,385,{-67,-40}},{1632,385,{-39,-22}},
+{1633,385,{-39,-24}},{1634,385,{-95,-48}},{1635,385,{-42,-25}},{1636,385,{-87,-45}},
+{1637,385,{-18,-13}},{1638,385,{-21,-15}},{1639,385,{-21,-13}},{1640,385,{-10,-11}},
+{1641,385,{-7,-6}},{1642,385,{-15,-12}},{1643,385,{-5,-5}},{1645,385,{-2,-2}},
+{1646,385,{0,0}},{1647,385,{2,-6}},{1648,385,{42,-22}},{1649,385,{37,-11}},
+{1650,385,{92,-9}},{1651,385,{53,0}},{1652,385,{65,2}},{1653,385,{143,14}},
+{1654,385,{79,11}},{1655,385,{73,11}},{1656,385,{102,13}},{1657,385,{26,3}},
+{1658,385,{0,0}},{1659,385,{25,2}},{1660,385,{128,11}},{1661,385,{67,6}},
+{1662,385,{72,9}},{1663,385,{54,9}},{1664,257,{59,6}},{1665,257,{87,10}},
+{1666,257,{52,6}},{1667,257,{33,1}},{1668,257,{23,1}},{1668,256,{23,1}},
+{1669,256,{41,1}},{1670,256,{29,-2}},{1671,256,{31,-9}},{1672,256,{35,-13}},
+{1673,256,{37,-11}},{1674,256,{68,-21}},{1674,257,{68,-21}},{1675,257,{39,-11}},
+{1676,257,{38,-11}},{1677,257,{79,-17}},{1678,257,{34,-5}},{1679,257,{45,-7}},
+{1680,257,{78,-9}},{1681,257,{40,-5}},{1682,385,{34,-7}},{1683,385,{33,-9}},
+{1684,384,{5,-3}},{1685,384,{7,-4}},{1686,384,{37,-11}},{1687,384,{23,-6}},
+{1688,384,{26,-6}},{1689,384,{30,-5}},{1690,384,{24,-2}},{1691,384,{16,-2}},
+{1692,384,{11,0}},{1693,384,{20,1}},{1694,384,{39,8}},{1695,384,{16,4}},
+{1696,384,{0,0}},{1696,388,{0,0}},{1697,388,{16,7}},{1698,388,{18,11}},
+{1699,388,{0,0}},{1701,388,{2,2}},{1702,388,{9,10}},{1703,388,{13,11}},
+{1704,388,{15,11}},{1705,388,{46,33}},{1706,644,{28,18}},{1707,644,{42,21}},
+{1708,644,{4,6}},{1709,644,{0,0}},{1710,644,{1,1}},{1711,644,{0,0}},
+{1712,644,{0,3}},{1713,644,{0,2}},{1714,644,{-3,7}},{1715,644,{-3,2}},
+{1716,644,{-2,2}},{1717,644,{-22,16}},{1718,644,{-17,8}},{1719,644,{-17,6}},
+{1720,644,{-47,16}},{1721,644,{-29,5}},{1722,644,{-31,1}},{1723,644,{-75,1}},
+{1724,644,{-48,-5}},{1725,644,{-55,-7}},{1726,644,{-111,-25}},{1727,644,{-57,-12}},
+{1728,644,{-104,-28}},{1729,644,{-43,-13}},{1730,644,{-58,-19}},{1731,644,{-50,-18}},
+{1732,644,{-65,-27}},{1733,644,{-25,-12}},{1734,644,{-5,-4}},{1735,644,{0,0}},
+{1736,644,{3,3}},{1737,644,{0,0}},{1739,644,{0,-2}},{1740,644,{32,-21}},
+{1740,900,{32,-21}},{1741,900,{25,-6}},{1742,900,{38,-5}},{1743,900,{31,-2}},
+{1744,900,{48,0}},{1745,900,{34,2}},{1746,900,{68,6}},{1747,900,{34,2}},
+{1748,900,{45,8}},{1748,644,{45,8}},{1749,644,{112,22}},{1750,644,{62,11}},
+{1751,644,{64,13}},{1752,644,{117,25}},{1753,644,{60,13}},{1754,644,{115,30}},
+{1755,644,{57,13}},{1756,644,{62,18}},{1757,644,{125,39}},{1758,644,{62,18}},
+{1759,644,{51,17}},{1760,644,{109,34}},{1761,644,{54,15}},{1762,644,{57,16}},
+{1763,132,{122,39}},{1764,132,{59,16}},{1765,132,{59,18}},{1766,132,{104,26}},
+{1767,132,{53,15}},{1768,132,{51,15}},{1769,132,{63,20}},{1770,132,{12,6}},
+{1771,132,{0,0}},{1771,164,{0,0}},{1772,164,{-10,-7}},{1773,164,{2,4}},
+{1774,676,{3,4}},{1775,676,{0,3}},{1776,676,{0,0}},{1778,676,{4,9}},
+{1779,676,{5,8}},{1780,676,{6,6}},{1781,676,{17,14}},{1782,644,{7,3}},
+{1783,640,{33,11}},{1784,640,{22,5}},{1785,640,{32,2}},{1786,640,{62,3}},
+{1787,640,{42,0}},{1788,640,{45,0}},{1789,640,{82,-3}},{1790,768,{39,0}},
+{1792,769,{63,0}},{1793,257,{30,0}},{1794,257,{25,1}},{1795,257,{54,3}},
+{1796,257,{23,0}},{1797,769,{16,1}},{1798,769,{42,5}},{1799,769,{26,1}},
+{1800,769,{29,5}},{1801,769,{55,11}},{1802,257,{21,3}},{1803,257,{5,2}},
+{1804,257,{40,8}},{1805,257,{20,3}},{1806,257,{23,3}},{1807,257,{7,1}},
+{1808,257,{0,0}},{1809,385,{1,0}},{1810,385,{13,1}},{1811,385,{9,1}},
+{1812,384,{16,2}},{1813,384,{13,1}},{1814,384,{9,1}},{1815,384,{17,2}},
+{1816,384,{4,2}},{1817,384,{3,1}},{1818,384,{0,0}},{1819,896,{0,0}},
+{1824,896,{-1,0}},{1825,640,{-2,0}},{1826,640,{0,0}},{1830,640,{9,-2}},
+{1831,640,{15,-4}},{1832,640,{34,-3}},{1833,640,{98,-7}},{1834,640,{59,-3}},
+{1835,640,{53,-3}},{1836,640,{115,-7}},{1837,641,{54,-5}},{1838,641,{124,-10}},
+{1839,513,{67,-5}},{1840,513,{70,-3}},{1841,513,{110,-7}},{1842,1,{28,-4}},
+{1842,257,{28,-4}},{1843,257,{1,-1}},{1844,257,{0,0}},{1845,257,{-14,3}},
+{1846,257,{-8,3}},{1847,257,{-2,1}},{1848,257,{-1,-1}},{1849,256,{-15,-7}},
+{1850,256,{-46,-17}},{1851,256,{-28,-10}},{1852,256,{-66,-19}},{1853,256,{-47,-11}},
+{1854,256,{-45,-11}},{1855,256,{-107,-19}},{1856,256,{-57,-7}},{1857,256,{-46,-11}},
+{1858,256,{-78,-17}},{1859,256,{-33,-9}},{1860,256,{-99,-21}},{1861,256,{-49,-12}},
+{1862,256,{-95,-20}},{1863,256,{-42,-9}},{1864,256,{-32,-8}},{1865,256,{-25,-10}},
+{1866,256,{-54,-18}},{1867,256,{-23,-10}},{1868,256,{-63,-27}},{1869,257,{-15,-7}},
+{1870,257,{-24,-10}},{1871,257,{-24,-8}},{1872,257,{-39,-16}},{1873,257,{-20,-8}},
+{1874,257,{-10,-8}},{1875,257,{-2,-2}},{1876,257,{-8,-8}},{1877,257,{-5,-5}},
+{1878,257,{-3,-3}},{1880,257,{0,0}},{1881,385,{0,0}},{1882,385,{22,-12}},
+{1883,385,{27,-8}},{1884,385,{0,0}},{1885,385,{26,-8}},{1886,385,{18,-4}},
+{1887,385,{28,-4}},{1888,385,{106,2}},{1889,385,{70,7}},{1890,385,{76,7}},
+{1891,385,{142,16}},{1892,385,{45,6}},{1893,385,{51,6}},{1894,385,{65,11}},
+{1895,385,{73,11}},{1896,385,{85,19}},{1897,385,{169,38}},{1898,385,{82,21}},
+{1899,384,{59,13}},{1900,384,{132,27}},{1901,384,{73,11}},{1902,384,{77,12}},
+{1903,384,{85,14}},{1904,256,{85,14}},{1905,256,{164,31}},{1906,256,{72,14}},
+{1907,256,{43,12}},{1908,256,{102,26}},{1909,256,{57,15}},{1910,256,{37,16}},
+{1911,256,{61,30}},{1912,256,{10,7}},{1913,0,{0,1}},{1914,0,{-11,-8}},
+{1915,0,{-7,-6}},{1916,0,{0,0}},{1917,0,{-4,8}},{1918,0,{-6,7}},
+{1919,0,{0,0}},{1920,0,{-10,8}},{1921,0,{-26,19}},{1922,0,{-6,3}},
+{1923,0,{-19,11}},{1924,0,{-18,6}},{1925,0,{-20,8}},{1926,0,{-41,14}},
+{1927,0,{-27,7}},{1928,0,{-30,7}},{1929,0,{-29,4}},{1930,0,{-1,0}},
+{1931,0,{-2,0}},{1932,0,{0,0}},{1933,16384,{0,0}},{1934,16384,{0,1}},
+{1940,0,{0,1}},{1968,4,{0,1}},{1970,0,{0,1}},{1975,4,{0,1}},
+{1978,0,{0,1}},{1984,4,{0,1}},{1986,0,{0,1}},{1992,4,{0,1}},
+{1995,0,{0,1}},{2000,4,{0,1}},{2003,0,{0,1}},{2006,4,{0,1}},
+{2011,0,{0,1}},{2019,16,{0,1}},{4294967295,0,{0,0}}
+};
+
+DemoRecord playRecord;
+uint32_t playRecordIndex = 0;
+int8_t playEnd = 0;
+
+void demoPlayStep()
+{
+  if (playRecordIndex == 0)
+    playRecord = demoPlay[playRecordIndex];
+
+  if (playEnd)
+    return;
+
+  DemoRecord nextRecord = demoPlay[playRecordIndex + 1];
+
+  playEnd = nextRecord.frame == UINT32_MAX_VALUE;
+
+  if (playEnd)
+  {
+    puts("demo end reached");
+  }
+  else if (SFG_game.frame >= nextRecord.frame)
+  {
+    playRecord = nextRecord;
+    playRecordIndex++;
+  }
+}
+
+int8_t demoKeyPressed(uint8_t key)
+{
+  return (playRecord.keyStates & (((uint16_t) 0x01) << key)) != 0;
+}
+
+void demoGetMouseOffset(int16_t *x, int16_t *y)
+{
+  *x = playRecord.mouseOffset[0];
+  *y = playRecord.mouseOffset[1];
+}
+
+void demoRecordPrint()
+{
+  printf("recorded demo:");
+
+  for (uint32_t i = 0; i < demoRecLength; ++i)
+  {
+    DemoRecord record = demoRec[i];
+    
+    if (i % 4 == 0)
+      putchar('\n');
+
+    printf("{%lu,%d,{%d,%d}},",record.frame,record.keyStates,record.mouseOffset[0],record.mouseOffset[1]);
+  }
+
+  printf("{%lu,0,{0,0}}",UINT32_MAX_VALUE); // terminate demo
+}
+
+#endif // guard

main_gbmeta/main_gbmeta.ino

@@ -0,0 +1,173 @@
+/**
+  @file main_gbmeta.ino
+
+  This is Gamebuino Meta implementation of the game front end, using the
+  official library. Leaving out the library bloat could probably optimize this.
+
+  To compile using Arduin IDE you need to copy this file as well as all
+  necessary .h files into a project folder, then open the project and compile.
+  Do NOT put .c and .cpp files into the folder, stupid Arduino tries to compile
+  them even if they're not needed.
+
+  DON'T FORGET to set compiler flag to -O3 (default is -Os). With Arduino IDE
+  this is done in platform.txt file. 
+
+  by Miloslav Ciz (drummyfish), 2019
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#include <Gamebuino-Meta.h>
+
+#define SFG_ARDUINO 1
+#define SFG_CAN_EXIT 0
+#define SFG_FPS 17
+#define SFG_SCREEN_RESOLUTION_X 80
+#define SFG_SCREEN_RESOLUTION_Y 64
+#define SFG_RESOLUTION_SCALEDOWN 1
+#define SFG_RAYCASTING_MAX_STEPS 11
+#define SFG_RAYCASTING_MAX_HITS 3
+#define SFG_RAYCASTING_SUBSAMPLE 2
+#define SFG_DIMINISH_SPRITES 0
+#define SFG_DITHERED_SHADOW 0
+#define SFG_PLAYER_TURN_SPEED 135
+#define SFG_FOV_HORIZONTAL 200
+
+#include "game.h"
+
+Gamebuino_Meta::Color palette[256];
+
+uint8_t blinkFramesLeft;
+
+void blinkLED(Gamebuino_Meta::Color color)
+{
+  gb.lights.fill(color);
+  blinkFramesLeft = 5;
+}
+
+const Gamebuino_Meta::SaveDefault saveDefault[] =
+  { { 0, SAVETYPE_BLOB, SFG_SAVE_SIZE, 0 } };
+
+void SFG_setPixel(uint16_t x, uint16_t y, uint8_t colorIndex)
+{
+  Gamebuino_Meta::Color c = palette[colorIndex];
+  gb.display.drawPixel(x,y,c);
+}
+
+void SFG_sleepMs(uint16_t timeMs)
+{
+}
+
+int8_t SFG_keyPressed(uint8_t key)
+{
+  Gamebuino_Meta::Button button;
+
+  switch (key)
+  {
+    case SFG_KEY_UP: button = BUTTON_UP; break;
+    case SFG_KEY_RIGHT: button = BUTTON_RIGHT; break;
+    case SFG_KEY_DOWN: button = BUTTON_DOWN; break;
+    case SFG_KEY_LEFT: button = BUTTON_LEFT; break;
+    case SFG_KEY_A: button = BUTTON_A; break;
+    case SFG_KEY_B: button = BUTTON_B; break;
+    case SFG_KEY_C: button = BUTTON_MENU; break;
+    default: return 0; break;
+  }
+
+  return gb.buttons.timeHeld(button) > 0;
+}
+
+void SFG_processEvent(uint8_t event, uint8_t value)
+{
+  switch (event)
+  {
+    case SFG_EVENT_LEVEL_STARTS: blinkLED(BLUE); break;
+    case SFG_EVENT_PLAYER_HURT: blinkLED(RED); break;
+    case SFG_EVENT_LEVEL_WON: blinkLED(YELLOW); break;
+    default: break;
+  }
+}
+
+void SFG_getMouseOffset(int16_t *x, int16_t *y)
+{
+}
+
+void SFG_setMusic(uint8_t value)
+{
+}
+
+void SFG_save(uint8_t data[SFG_SAVE_SIZE])
+{
+  gb.save.set(0,data,SFG_SAVE_SIZE);
+}
+
+uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
+{
+  gb.save.get(0,data,SFG_SAVE_SIZE);
+  return 1;
+}
+
+void SFG_playSound(uint8_t soundIndex, uint8_t volume)
+{
+  switch (soundIndex)
+  {
+    case 2: 
+      gb.sound.playCancel();
+      break;
+
+    case 5:
+      gb.sound.playOK();
+      break;
+
+    default:
+      gb.sound.playTick();
+      break;
+  }
+}
+
+uint32_t SFG_getTimeMs()
+{
+  return gb.frameStartMicros / 1000;
+}
+
+void setup()
+{
+  gb.begin();
+  gb.setFrameRate(SFG_FPS);
+  gb.save.config(saveDefault);
+
+  for (int i = 0; i < 256; ++i)
+  {
+    uint16_t rgb565 = paletteRGB565[i];
+    palette[i] = gb.createColor((rgb565 & 0xf800) >> 8,(rgb565 & 0x07e0) >> 3,(rgb565 & 0x001f) << 3);
+  }
+
+  SFG_init();
+  blinkLED(RED);
+}
+
+void loop()
+{
+  while(!gb.update())
+  {
+  }
+
+  if (blinkFramesLeft != 0)
+  {
+    if (blinkFramesLeft == 1)
+      gb.lights.clear();
+
+    blinkFramesLeft--;
+  }
+
+  SFG_mainLoopBody();
+
+#if 0
+  // debuggin performance
+  gb.display.setCursor(1,1);
+  gb.display.print(gb.getCpuLoad());
+#endif 
+}

main_gbmeta/mbed_config.h

@@ -0,0 +1,25 @@
+/*
+ * mbed SDK
+ * Copyright (c) 2017 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Automatically generated configuration file.
+// DO NOT EDIT, content will be overwritten.
+
+#ifndef __MBED_CONFIG_DATA__
+#define __MBED_CONFIG_DATA__
+
+
+#endif

main_gbmeta/palette.h

@@ -0,0 +1,98 @@
+/*
+  @file palette.h
+
+  General purpose HSV-based 256 color palette.
+
+  by Miloslav Ciz (drummyfish), 2019
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#ifndef PALETTE_256_H
+#define PALETTE_256_H
+
+SFG_PROGRAM_MEMORY uint16_t paletteRGB565[256] = {
+#if 1
+// manually adjusted, more saturated palette
+0, 6371, 14855, 27436, 38066, 48631, 59228, 65535, 6241, 14563, 24966, 33320, 
+43755, 52142, 62577, 64885, 6337, 16772, 25190, 35689, 44139, 52559, 63058, 
+65333, 6402, 14851, 23334, 31816, 40268, 50830, 59314, 65526, 4354, 10755, 
+15174, 21576, 30027, 36462, 42929, 51190, 2306, 8709, 13096, 19532, 25935, 
+30323, 36790, 47098, 4356, 8711, 15115, 19536, 27956, 32377, 38846, 47103, 
+4227, 8519, 12812, 17136, 25588, 31961, 38334, 46751, 2115, 8424, 14732, 21040, 
+27380, 33721, 40030, 48511, 6244, 12520, 22924, 31280, 39669, 48089, 56445, 
+64927, 8290, 16614, 24969, 33325, 43761, 52148, 62585, 64892, 10240, 18464, 
+26657, 38946, 47202, 55524, 63781, 64074, 10400, 18753, 27170, 37601, 48034, 
+56421, 64837, 65002, 6496, 14944, 23425, 31937, 40418, 48869, 57317, 61418, 
+352, 4704, 7041, 7362, 15842, 20196, 24550, 30697, 354, 611, 2949, 5288, 7658, 
+12013, 8175, 20467, 357, 617, 910, 5298, 9686, 7931, 14335, 24575, 69, 233, 
+4461, 4594, 8918, 2907, 13311, 19679, 4133, 2089, 4173, 8306, 10455, 16667, 
+20863, 27263, 6149, 14377, 22574, 28819, 39063, 45371, 53631, 57983, 10242, 
+18469, 26664, 38987, 47247, 55537, 63797, 64119, 10272, 18432, 26624, 34848, 
+45056, 53312, 61504, 63520, 10336, 18624, 26976, 35296, 45728, 54048, 62400, 
+64609, 8544, 16992, 25440, 31872, 42400, 50880, 59328, 65504, 4448, 2656, 
+7008, 11392, 13728, 14016, 20416, 26593, 2400, 608, 864, 3200, 5504, 1698, 
+1985, 2019, 353, 614, 872, 1163, 1422, 1713, 2005, 2039, 197, 361, 557, 753, 
+950, 5273, 1406, 9759, 5, 9, 2093, 81, 4214, 186, 2270, 351, 2052, 4105, 4109, 
+8209, 8278, 12314, 16414, 18527, 10245, 14378, 22541, 30738, 38934, 47130, 55326, 
+61471, 10241, 18435, 26630, 34824, 45066, 53293, 61519, 63601
+#else 
+// original palette
+0, 8484, 19017, 27501, 38034, 46518, 57051, 65535, 8354, 16709, 25096, 33450,
+41805, 50192, 58546, 64853, 8386, 16805, 25224, 33642, 42061, 50480, 58898,
+65269, 6402, 14853, 23304, 29706, 38157, 46608, 55058, 61429, 4354, 10757,
+17160, 23562, 29965, 36368, 42770, 49141, 4355, 10758, 17161, 21516, 27920,
+34323, 38678, 45049, 4323, 10759, 17163, 21519, 27923, 34327, 38683, 45055,
+4292, 10632, 17004, 21296, 27668, 34008, 38300, 44671, 4260, 10568, 16908,
+23216, 29524, 35864, 42172, 48479, 6308, 14664, 23052, 29360, 37716, 46104,
+54460, 60767, 8355, 16710, 25098, 33453, 41809, 50196, 58552, 64859, 8257,
+16546, 24836, 33093, 41382, 49672, 57929, 64170, 8353, 16738, 25124, 33509,
+41894, 50248, 58633, 64970, 6401, 12802, 21252, 27653, 36102, 42504, 50953,
+57322, 2305, 6658, 11012, 15365, 19718, 24072, 28425, 32746, 2306, 4612, 8967,
+11273, 13580, 17934, 20240, 22515, 2307, 4615, 8971, 11279, 13587, 17943, 20251,
+22527, 2180, 4392, 8652, 10864, 13076, 17304, 19516, 21727, 2116, 6312, 10508,
+14672, 18868, 23064, 25180, 29375, 6212, 12456, 20748, 26960, 35252, 41496,
+49756, 55999, 8258, 16549, 24840, 33099, 41390, 49681, 57940, 64183, 8192,
+16384, 24576, 32768, 40960, 49152, 57344, 63488, 8320, 16640, 24960, 33312,
+41632, 49952, 58304, 64576, 6400, 14848, 23296, 29696, 38144, 46592, 52992,
+61408, 2304, 6656, 8960, 13312, 15616, 19968, 22272, 26592, 256, 513, 769, 1026,
+1283, 1539, 1796, 2021, 258, 517, 776, 1035, 1294, 1552, 1811, 2038, 164, 360,
+556, 752, 948, 1144, 1308, 1503, 36, 104, 140, 208, 244, 312, 348, 415, 2052,
+4104, 8204, 10256, 14356, 16408, 18460, 22559, 6148, 14344, 20492, 28688, 34836,
+43032, 51228, 57375, 8194, 16388, 24582, 32777, 40971, 49165, 57359, 63505
+#endif
+};
+
+/** Adds value (brightness), possibly negative, to given color (represented by
+  its palette index). If you know you'll only be either adding or substracting,
+  use plusValue() or minusValue() functions, which should be faster. */
+static inline uint8_t palette_addValue(uint8_t color, int8_t add)
+{
+  uint8_t newValue = color + add;
+  
+  if ((newValue >> 3) == (color >> 3))
+    return newValue;
+  else
+    return add > 0 ? (color | 0x07) : 0;
+}
+
+/** Adds a positive value (brightness) to given color (represented by its
+  palette index). This should be a little bit faster than addValue(). */
+static inline uint8_t palette_plusValue(uint8_t color, uint8_t plus)
+{
+  uint8_t newValue = color + plus;
+  return ((newValue >> 3) == (color >> 3)) ? newValue : (color | 0x07);
+}
+
+/** Substracts a positive value (brightness) from given color (represented by
+  its palette index). This should be a little bit faster than addValue(). */
+static inline uint8_t palette_minusValue(uint8_t color, uint8_t minus)
+{
+  uint8_t newValue = color - minus;
+  return ((newValue >> 3) == (color >> 3)) ? newValue : 0;
+}
+
+#endif //guard

main_gbmeta/settings.h

@@ -0,0 +1,447 @@
+/**
+  @file settings.h
+
+  This file contains settings (or setting hints) for the game. Values here can
+  fine tune performance vs quality and personalize the final compiled game. Some
+  of these settings may be overriden by the specific platform used according to
+  its limitations. You are advised to NOT change value in this file directly,
+  but rather predefine them somewhere before this file gets included, e.g. in
+  you personal settings file.
+
+  by Miloslav Ciz (drummyfish), 2019
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#ifndef _SFG_SETTINGS_H
+#define _SFG_SETTINGS_H
+
+/**
+  Time multiplier in SFG_Units (1.0 == 1024). This can be used to slow down or
+  speed up the game. Note that this also changes the rendering FPS accordingly
+  (e.g. half FPS at half speed), so if you want to keep the FPS, divide it by
+  the multiplier value.
+*/
+#ifndef SFG_TIME_MULTIPLIER
+  #define SFG_TIME_MULTIPLIER 1024
+#endif
+
+/**
+  Target FPS (frames per second). This sets the game logic FPS and will try to
+  render at the same rate. If such fast rendering can't be achieved, frames will
+  be droped, but the game logic will still be forced to run at this speed, so
+  the game may actually become slowed down if FPS is set too high. Too high or
+  too low FPS can also negatively affect game speeds which are computed as
+  integers and rounding errors can occur soon, so don't set this to extreme
+  values (try to keep between 20 to 100). FPS also determines the game
+  simulation step length, so different FPS values may result in very slight
+  differences in game behavior (not noticeable but affecting demos etc.).
+*/
+#ifndef SFG_FPS
+  #define SFG_FPS 60
+#endif
+
+/**
+  On platforms with mouse this sets its horizontal sensitivity. 128 means 1
+  RCL_Unit per mouse pixel travelled.
+*/
+#ifndef SFG_MOUSE_SENSITIVITY_HORIZONTAL
+  #define SFG_MOUSE_SENSITIVITY_HORIZONTAL 32
+#endif
+
+/**
+  Like SFG_MOUSE_SENSITIVITY_HORIZONTAL but for vertical look. 128 means 1
+  shear pixel per mouse pixel travelled.
+*/
+#ifndef SFG_MOUSE_SENSITIVITY_VERTICAL
+  #define SFG_MOUSE_SENSITIVITY_VERTICAL 64
+#endif
+
+/**
+  Width of the screen in pixels. Set this to ACTUAL resolution. If you want the
+  game to run at smaller resolution (with bigger pixels), do his using
+  SFG_RESOLUTION_SCALEDOWN;  
+*/
+#ifndef SFG_SCREEN_RESOLUTION_X
+  #define SFG_SCREEN_RESOLUTION_X 800
+#endif
+
+/**
+  Height of the screen in pixels. Set this to ACTUAL resolution. If you want the
+  game to run at smaller resolution (with bigger pixels), do his using
+  SFG_RESOLUTION_SCALEDOWN;  
+*/
+#ifndef SFG_SCREEN_RESOLUTION_Y
+  #define SFG_SCREEN_RESOLUTION_Y 600
+#endif
+
+/**
+  How quickly player turns left/right, in degrees per second.
+*/
+#ifndef SFG_PLAYER_TURN_SPEED
+  #define SFG_PLAYER_TURN_SPEED 180
+#endif
+
+/**
+  Horizontal FOV (field of vision) in RCL_Units (1024 means 360 degrees).
+*/
+
+#ifndef SFG_FOV_HORIZONTAL
+  #define SFG_FOV_HORIZONTAL 256
+#endif
+
+/**
+  Like SFG_FOV_HORIZONTAL but for vertical angle.
+*/
+#ifndef SFG_FOV_VERTICAL
+  #define SFG_FOV_VERTICAL 330
+#endif
+
+/**
+  Distance, in RCL_Units, to which textures will be drawn. Textures behind this
+  distance will be replaced by an average constant color, which maybe can help
+  performance and also serves as an antialiasim (2 level MIP map). Value 0 turns
+  texturing completely off, which is much faster than having just a low value,
+  values >= 65535 activate texturing completely, which can be a little faster
+  than setting having a high value lower than this limit.
+*/
+#ifndef SFG_TEXTURE_DISTANCE
+  #define SFG_TEXTURE_DISTANCE 100000
+#endif
+
+/**
+  How many times the screen resolution will be divided (how many times a game
+  pixel will be bigger than the screen pixel).
+*/
+#ifndef SFG_RESOLUTION_SCALEDOWN
+  #define SFG_RESOLUTION_SCALEDOWN 1
+#endif
+
+/**
+  Multiplier, in RCL_Units (1024 == 1.0), of the damager player takes. This can
+  be used to balance difficulty.
+*/
+#ifndef SFG_PLAYER_DAMAGE_MULTIPLIER
+  #define SFG_PLAYER_DAMAGE_MULTIPLIER 512
+#endif
+
+/**
+  Hint as to whether run in fullscreen, if the platform allows it.
+*/
+#ifndef SFG_FULLSCREEN
+  #define SFG_FULLSCREEN 0
+#endif
+
+/**
+  Whether shadows (fog) should be dithered, i.e. more smooth (needs a bit more
+  CPU performance and memory).
+*/
+#ifndef SFG_DITHERED_SHADOW
+  #define SFG_DITHERED_SHADOW 0
+#endif
+
+/**
+  Depth step (in RCL_Units) after which fog diminishes a color by one value
+  point. For performance reasons this number should be kept a power of two!
+*/
+#ifndef SFG_FOG_DIMINISH_STEP
+  #define SFG_FOG_DIMINISH_STEP 2048
+#endif
+
+/**
+  Maximum number of squares that will be traversed by any cast ray. Smaller
+  number is faster but can cause visual artifacts.
+*/
+#ifndef SFG_RAYCASTING_MAX_STEPS
+  #define SFG_RAYCASTING_MAX_STEPS 30
+#endif
+
+/**
+  Maximum number of hits any cast ray will register. Smaller number is faster
+  but can cause visual artifacts.
+*/
+#ifndef SFG_RAYCASTING_MAX_HITS
+  #define SFG_RAYCASTING_MAX_HITS 10
+#endif
+
+/**
+  How many times rendering should be subsampled horizontally. Bigger number
+  can significantly improve performance (by casting fewer rays), but can look
+  a little worse. This number should be a divisor of SFG_SCREEN_RESOLUTION_X!
+*/
+#ifndef SFG_RAYCASTING_SUBSAMPLE
+  #define SFG_RAYCASTING_SUBSAMPLE 1
+#endif
+
+/**
+  Enables or disables fog (darkness) due to distance. Recommended to keep on
+  for good look, but can be turned off for performance.
+*/
+#ifndef SFG_ENABLE_FOG
+  #define SFG_ENABLE_FOG 1
+#endif
+
+/**
+  Says whether sprites should diminish in fog. This takes more performance but
+  looks better.
+*/
+#ifndef SFG_DIMINISH_SPRITES
+  #define SFG_DIMINISH_SPRITES 1
+#endif
+
+/**
+  How quick player head bob is, 1024 meaning once per second. 0 Means turn off
+  head bob.
+*/
+#ifndef SFG_HEADBOB_SPEED
+  #define SFG_HEADBOB_SPEED 900
+#endif
+
+/**
+  Sets head bob offset, in RCL_UNITS_PER_SQUARE. 0 Means turn off head bob.
+*/
+#ifndef SFG_HEADBOB_OFFSET
+  #define SFG_HEADBOB_OFFSET 200
+#endif
+
+/**
+  If head bob is on, this additionally sets additional camera shear bob, in
+  pixels, which can make bobbing look more "advanced". 0 turns this option off.
+*/
+#ifndef SFG_HEADBOB_SHEAR
+  #define SFG_HEADBOB_SHEAR 0
+#endif
+
+/**
+  Weapon bobbing offset in weapon image pixels.
+*/
+#ifndef SFG_WEAPONBOB_OFFSET
+  #define SFG_WEAPONBOB_OFFSET 4 
+#endif
+
+/**
+  Camera shearing (looking up/down) speed, in vertical resolutions per second.
+*/
+#ifndef SFG_CAMERA_SHEAR_SPEED
+  #define SFG_CAMERA_SHEAR_SPEED 3
+#endif
+
+/**
+  Maximum camera shear (vertical angle). 1024 means 1.0 * vertical resolution.
+*/
+#ifndef SFG_CAMERA_MAX_SHEAR
+  #define SFG_CAMERA_MAX_SHEAR 1024
+#endif
+
+/**
+  Specifies how quick some sprite animations are, in frames per second.
+*/
+#ifndef SFG_SPRITE_ANIMATION_SPEED
+  #define SFG_SPRITE_ANIMATION_SPEED 4
+#endif
+
+/**
+  How wide the border indicator is, in fractions of screen width.
+*/
+#ifndef SFG_HUD_BORDER_INDICATOR_WIDTH
+  #define SFG_HUD_BORDER_INDICATOR_WIDTH 32
+#endif
+
+/**
+  For how long border indication (being hurt etc.) stays shown, in ms.
+*/
+#ifndef SFG_HUD_BORDER_INDICATOR_DURATION
+  #define SFG_HUD_BORDER_INDICATOR_DURATION 500
+#endif
+
+/**
+  Color (palette index) by which being hurt is indicated.
+*/
+#ifndef SFG_HUD_HURT_INDICATION_COLOR
+  #define SFG_HUD_HURT_INDICATION_COLOR 175
+#endif
+
+/**
+  Color (palette index) by which taking an item is indicated.
+*/
+#ifndef SFG_HUD_ITEM_TAKEN_INDICATION_COLOR
+  #define SFG_HUD_ITEM_TAKEN_INDICATION_COLOR 207
+#endif
+
+/**
+  How many element (items, monsters, ...) distances will be checked per frame
+  for distance. Higher value may decrease performance a tiny bit, but things
+  will react more quickly and appear less "out of thin air".
+*/
+#ifndef SFG_ELEMENT_DISTANCES_CHECKED_PER_FRAME
+  #define SFG_ELEMENT_DISTANCES_CHECKED_PER_FRAME 8
+#endif
+
+/**
+  Maximum distance at which sound effects (SFX) will be played. The SFX volume
+  will gradually drop towards this distance.
+*/
+#ifndef SFG_SFX_MAX_DISTANCE
+  #define SFG_SFX_MAX_DISTANCE (1024 * 60)
+#endif
+
+/**
+  Says the intensity of background image blur. 0 means no blur, improves
+  performance and lowers memory usage.
+*/
+#ifndef SFG_BACKGROUND_BLUR
+  #define SFG_BACKGROUND_BLUR 0
+#endif
+
+/**
+  Defines the period, in ms, of things that blink, such as text.
+*/
+#ifndef SFG_BLINK_PERIOD
+  #define SFG_BLINK_PERIOD 500
+#endif
+
+/**
+  Probability (0 - 255) of how often a monster makes sound during movement.
+*/
+#ifndef SFG_MONSTER_SOUND_PROBABILITY
+  #define SFG_MONSTER_SOUND_PROBABILITY 64
+#endif
+
+/**
+  Affects how precise monsters are in aiming, specify random range in
+  fourths of a game square. Should be power of 2 for performance.
+*/
+#ifndef SFG_MONSTER_AIM_RANDOMNESS
+  #define SFG_MONSTER_AIM_RANDOMNESS 4
+#endif
+
+/// Color 1 index of player on map.
+#ifndef SFG_MAP_PLAYER_COLOR1
+  #define SFG_MAP_PLAYER_COLOR1 93
+#endif
+
+/// Color 2 index of player on map.
+#ifndef SFG_MAP_PLAYER_COLOR2
+  #define SFG_MAP_PLAYER_COLOR2 111
+#endif
+
+/// Color index of elevators on map.
+#ifndef SFG_MAP_ELEVATOR_COLOR
+  #define SFG_MAP_ELEVATOR_COLOR 214
+#endif
+
+/// Color index of squeezers on map.
+#ifndef SFG_MAP_SQUEEZER_COLOR
+  #define SFG_MAP_SQUEEZER_COLOR 246
+#endif
+
+/// Color index of door on map.
+#ifndef SFG_MAP_DOOR_COLOR
+  #define SFG_MAP_DOOR_COLOR 188
+#endif
+
+/**
+  Boolean value indicating whether current OS is malware.
+*/
+#ifndef SFG_OS_IS_MALWARE
+  #define SFG_OS_IS_MALWARE 0
+#endif
+
+/**
+  Angle difference, as a cos value in RCL_Units, between the player and a
+  monster, at which vertical autoaim will trigger. If the angle is greater, a
+  shot will go directly forward.
+*/
+#ifndef SFG_VERTICAL_AUTOAIM_ANGLE_THRESHOLD
+  #define SFG_VERTICAL_AUTOAIM_ANGLE_THRESHOLD 50
+#endif
+
+/**
+  Byte (0 - 255) volume of the menu click sound.
+*/
+#ifndef SFG_MENU_CLICK_VOLUME
+  #define SFG_MENU_CLICK_VOLUME 220
+#endif
+
+/**
+  Says whether the exit item should be showed in the menu. Platforms that can't
+  exit (such as some gaming consoles that simply use power off button) can
+  define this to 0.
+*/
+#ifndef SFG_CAN_EXIT
+  #define SFG_CAN_EXIT 1
+#endif
+
+/**
+  On Arduino platforms this should be set to 1. That will cause some special
+  treatment regarding constant variables and PROGMEM.
+*/
+#ifndef SFG_ARDUINO
+  #define SFG_ARDUINO 0
+#endif
+
+/**
+  Whether levels background (in distance or transparent wall textures) should
+  be drawn. If turned off, the background will be constant color, which can 
+  noticably increase performance.
+*/
+#ifndef SFG_DRAW_LEVEL_BACKGROUND
+  #define SFG_DRAW_LEVEL_BACKGROUND 1
+#endif
+
+//------ developer/debug settings ------
+
+/**
+  Developer cheat for having infinite ammo in all weapons.
+*/
+#ifndef SFG_INFINITE_AMMO
+  #define SFG_INFINITE_AMMO 0
+#endif
+
+/**
+  Developer cheat for immortality.
+*/
+#ifndef SFG_IMMORTAL
+  #define SFG_IMMORTAL 0
+#endif
+
+/**
+  Turn on for previes mode for map editing (flying, noclip, fast movement etc.).
+*/
+#ifndef SFG_PREVIEW_MODE
+  #define SFG_PREVIEW_MODE 0
+#endif
+
+/**
+  How much faster movement is in the preview mode.
+*/
+#ifndef SFG_PREVIEW_MODE_SPEED_MULTIPLIER
+  #define SFG_PREVIEW_MODE_SPEED_MULTIPLIER 2
+#endif
+
+/**
+  Skips menu and starts given level immediatelly, for development. 0 means this
+  options is ignored, 1 means load level 1 etc.
+*/
+#ifndef SFG_START_LEVEL
+  #define SFG_START_LEVEL 0
+#endif
+
+/**
+  Reveals whole level map from start.
+*/
+#ifndef SFG_REVEAL_MAP
+  #define SFG_REVEAL_MAP 0
+#endif
+
+/**
+  Gives player all keys from start.
+*/
+#ifndef SFG_UNLOCK_DOOR
+  #define SFG_UNLOCK_DOOR 0
+#endif
+
+#endif // guard

main_gbmeta/smallinput.h

@@ -0,0 +1,404 @@
+/**
+  @file smallinput.h
+
+  Small API for getting keyboard/mouse input, with possiblity to record it and
+  play back.
+
+  The Linux Input API requires root pirivileges (sudo).
+
+  by Milsolav "drummyfish" Ciz, released under CC0 1.0 (public domain)
+*/
+
+#ifndef _SMALLINPUT_H
+#define _SMALLINPUT_H
+
+#include <stdint.h>
+#include <stdio.h>
+
+#define SMALLINPUT_MODE_NORMAL 0 ///< Only handle input.
+#define SMALLINPUT_MODE_RECORD 1 ///< Handle input and record it.
+#define SMALLINPUT_MODE_PLAY   2 ///< Play back recorded input.
+
+#define SMALLINPUT_KEY_NONE    0
+#define SMALLINPUT_SPACE       ' '
+#define SMALLINPUT_BACKSPACE   8
+#define SMALLINPUT_TAB         9
+#define SMALLINPUT_RETURN      13
+#define SMALLINPUT_SHIFT       14
+#define SMALLINPUT_ESCAPE      27
+#define SMALLINPUT_DELETE      127
+#define SMALLINPUT_ARROW_UP    128
+#define SMALLINPUT_ARROW_RIGHT 129
+#define SMALLINPUT_ARROW_DOWN  130
+#define SMALLINPUT_ARROW_LEFT  131
+#define SMALLINPUT_F1          132
+#define SMALLINPUT_F2          133
+#define SMALLINPUT_F3          134
+#define SMALLINPUT_F4          135
+#define SMALLINPUT_F5          136
+#define SMALLINPUT_F6          137
+#define SMALLINPUT_F7          138
+#define SMALLINPUT_F8          139
+#define SMALLINPUT_F9          140
+#define SMALLINPUT_F10         141
+#define SMALLINPUT_F11         142
+#define SMALLINPUT_F12         143
+#define SMALLINPUT_CTRL        144
+#define SMALLINPUT_MOUSE_L     253
+#define SMALLINPUT_MOUSE_M     254
+#define SMALLINPUT_MOUSE_R     255
+
+#define SMALLINPUT_RECORD_KEY_DOWN 1   ///< Mouse down event, followed by code.
+#define SMALLINPUT_RECORD_KEY_UP   2   ///< Moue up event, followed by code.
+#define SMALLINPUT_RECORD_MOUSE_X  3   ///< Mouse x move, followed by s32 value.
+#define SMALLINPUT_RECORD_MOUSE_Y  4   ///< Mouse y move, followed by s32 value.
+#define SMALLINPUT_RECORD_END      255 ///< Record end, followed by 4 more same values.
+
+uint8_t input_keyStates[256];
+int32_t input_mousePosition[2];
+
+uint8_t input_keyStatesPrevious[256];
+int32_t input_mousePositionPrevious[2];
+
+uint8_t input_mode;
+
+uint32_t input_frame = 0;
+uint8_t *input_recordData;
+uint32_t input_recordPosition;
+uint32_t input_recordSize;
+
+#if 1 // TODO: add other options for input handling (SDL, xinput, ...)
+  /*
+    This is using Linux Input Subsystem API. Defines can be found in
+    include/uapi/linux/input-event-codes.h.
+  */
+
+  #include <fcntl.h>
+  #include <linux/input.h>
+  #include <sys/time.h>
+  #include <unistd.h>
+
+  typedef struct
+  {
+    struct timeval time;
+    uint16_t type;
+    uint16_t code;
+    int32_t value;
+  } LinuxInputEvent;
+
+  #define INPUT_KEYBOARD_FILE "/dev/input/event0"
+  #define INPUT_MOUSE_FILE "/dev/input/event1"
+
+  int input_keyboardFile = 0;
+  int input_mouseFile = 0;
+
+  /**
+    Maps this library's key codes to linux input key codes.
+  */
+  static const int input_linuxCodes[256] =
+    {
+      #define no KEY_RESERVED
+      no,no,no,no,no,no,no,no,KEY_BACKSPACE,KEY_TAB,no,no,no,KEY_ENTER,KEY_LEFTSHIFT,no,
+      no,no,no,no,no,no,no,no,no,no,no,KEY_ESC,no,no,no,no,
+      KEY_SPACE,no,no,no,no,no,no,no,no,no,no,no,KEY_COMMA,no,KEY_DOT,no,
+      KEY_0,KEY_1,KEY_2,KEY_3,KEY_4,KEY_5,KEY_6,KEY_7,KEY_8,KEY_9,no,KEY_SEMICOLON,no,KEY_EQUAL,no,KEY_QUESTION,
+      no,KEY_A,KEY_B,KEY_C,KEY_D,KEY_E,KEY_F,KEY_G,KEY_H,KEY_I,KEY_J,KEY_K,KEY_L,KEY_M,KEY_N,KEY_O,
+      KEY_P,KEY_Q,KEY_R,KEY_S,KEY_T,KEY_U,KEY_V,KEY_W,KEY_X,KEY_Y,KEY_Z,no,no,no,no,no,
+      no,KEY_A,KEY_B,KEY_C,KEY_D,KEY_E,KEY_F,KEY_G,KEY_H,KEY_I,KEY_J,KEY_K,KEY_L,KEY_M,KEY_N,KEY_O,
+      KEY_P,KEY_Q,KEY_R,KEY_S,KEY_T,KEY_U,KEY_V,KEY_W,KEY_X,KEY_Y,KEY_Z,no,no,no,no,KEY_DELETE,
+      KEY_UP,KEY_RIGHT,KEY_DOWN,KEY_LEFT,KEY_F1,KEY_F2,KEY_F3,KEY_F4,KEY_F5,KEY_F6,KEY_F7,KEY_F8,KEY_F9,KEY_F10,KEY_F11,KEY_F12,
+      KEY_LEFTCTRL,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,
+      no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,
+      no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,
+      no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,
+      no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,
+      no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,
+      no,no,no,no,no,no,no,no,no,no,no,no,no,no,no,no
+      #undef no
+    };
+#endif
+
+void input_recordU8(uint8_t value)
+{
+  if (input_recordPosition < (input_recordSize - 1))
+  {
+    input_recordData[input_recordPosition] = value;
+    input_recordPosition++;
+  }
+}
+
+void input_recordU32(uint32_t value)
+{
+  for (uint8_t i = 0; i < 4; ++i)
+  {
+    input_recordU8(value % 256);
+    value /= 256;
+  }
+}
+
+uint32_t input_readU32(uint8_t *data)
+{
+  uint32_t result = 0;
+
+  for (uint8_t i = 0; i < 4; ++i)
+    result = result * 256 + data[3 - i];
+
+  return result;
+}
+
+/**
+  Initializes the library with given mode (SMALLINPUT_MODE_*).
+*/
+uint8_t input_init(uint8_t mode, uint8_t *recordData, uint32_t recordDataLength)
+{
+  input_mode = mode;
+
+  input_mousePosition[0] = 0;
+  input_mousePosition[1] = 0;
+
+  input_mousePositionPrevious[0] = 0;
+  input_mousePositionPrevious[1] = 0;
+
+  input_frame = 0;
+  input_recordData = recordData;
+  input_recordPosition = 0;
+  input_recordSize = recordDataLength;
+
+  for (int16_t i = 0; i < 256; ++i)
+  {
+    input_keyStates[i] = 0;
+    input_keyStatesPrevious[i] = 0;
+  }
+
+  uint8_t result = 1;
+
+  if (input_mode != SMALLINPUT_MODE_PLAY)
+  {
+    input_keyboardFile = open(INPUT_KEYBOARD_FILE, O_RDONLY);
+
+    result = input_keyboardFile >= 0;
+
+    if (result)
+    {
+      fcntl(input_keyboardFile, F_SETFL, O_NONBLOCK); 
+
+      input_mouseFile = open(INPUT_MOUSE_FILE, O_RDONLY);
+    
+      result = input_mouseFile >= 0;
+   
+      if (result)
+        fcntl(input_mouseFile, F_SETFL, O_NONBLOCK); 
+    }
+
+    if (!result)
+      puts("could not open device file (are you root?)");
+  }
+
+  return result;
+}
+
+void input_end(void)
+{
+  if (input_mode == SMALLINPUT_MODE_RECORD)
+    for (uint8_t i = 0; i < 5; ++i)
+      input_recordU8(SMALLINPUT_RECORD_END);
+
+  close(input_keyboardFile);
+  close(input_mouseFile);
+}
+
+/**
+  Should be called once every main loop iteration to retrieve current input
+  state.
+*/
+void input_update(void)
+{
+  LinuxInputEvent event;
+
+  if (input_mode == SMALLINPUT_MODE_PLAY)
+  {
+    while (input_recordPosition < input_recordSize)
+    {
+      uint32_t nextFrame = input_readU32(input_recordData + input_recordPosition);
+
+      if (input_frame >= nextFrame)
+      {
+        input_recordPosition += 4;
+
+        uint8_t rec = input_recordData[input_recordPosition];
+
+        switch (rec)
+        { 
+          case SMALLINPUT_RECORD_KEY_DOWN: 
+          case SMALLINPUT_RECORD_KEY_UP:
+            input_recordPosition++;
+            input_keyStates[input_recordData[input_recordPosition]] = rec == SMALLINPUT_RECORD_KEY_DOWN; 
+            input_recordPosition++;
+            break;
+
+          case SMALLINPUT_RECORD_MOUSE_X: 
+          case SMALLINPUT_RECORD_MOUSE_Y:
+            input_recordPosition++;
+            input_mousePosition[rec == SMALLINPUT_RECORD_MOUSE_Y] = 
+              input_readU32(input_recordData + input_recordPosition);
+            input_recordPosition += 4;
+            break;
+
+          case SMALLINPUT_RECORD_END:
+            input_recordPosition = input_recordSize;
+            break;
+
+          default: /*printf("corrupt record\n");*/ break;
+        }
+      }
+      else
+        break;
+    }
+  }
+  else
+  {
+    while (1) // keyboard
+    {
+      if (read(input_keyboardFile, &event, sizeof(event)) <= 0)
+        break;
+
+      if (event.type == EV_KEY && (event.value == 1 || event.value == 0))
+        for (uint16_t i = 0; i < 256; ++i)
+          if (event.code == input_linuxCodes[i])
+          {
+            input_keyStates[i] = event.value;
+            break;
+          }
+    }
+
+    while (1) // mouse
+    {
+      if (read(input_mouseFile, &event, sizeof(event)) <= 0)
+        break;
+
+      if (event.type == EV_REL)
+        input_mousePosition[event.code % 2] += event.value;
+      else if (event.type == EV_KEY)
+      {
+        input_keyStates[  
+          event.code == BTN_LEFT ? SMALLINPUT_MOUSE_L :
+          (event.code == BTN_RIGHT ? SMALLINPUT_MOUSE_R : SMALLINPUT_MOUSE_M)]
+          = event.value; 
+      }
+    }
+  }
+
+  for (uint16_t i = 0; i < 256; ++i)
+    if (input_keyStates[i] && input_keyStates[i] < 255)
+      input_keyStates[i]++;
+
+  if (input_mode == SMALLINPUT_MODE_RECORD)
+  {
+    for (uint8_t i = 0; i < 2; ++i) // record mouse events
+      if (input_mousePositionPrevious[i] != input_mousePosition[i])
+      {
+        input_recordU32(input_frame + 1);
+        input_recordU8((i == 0) ? SMALLINPUT_RECORD_MOUSE_X : SMALLINPUT_RECORD_MOUSE_Y);
+        input_recordU32(input_mousePosition[i]);
+    
+        input_mousePositionPrevious[i] = input_mousePosition[i];
+      }
+
+    for (uint16_t i = 0; i < 256; ++i) // record key events
+    {
+      uint8_t a = input_keyStates[i] > 0;
+      uint8_t b = input_keyStatesPrevious[i] > 0;
+
+      if (a != b)
+      {
+        input_recordU32(input_frame + 1);
+        input_recordU8(a ? SMALLINPUT_RECORD_KEY_DOWN : SMALLINPUT_RECORD_KEY_UP);
+        input_recordU8(i);
+
+        input_keyStatesPrevious[i] = input_keyStates[i];
+      }
+    }
+  }
+
+  input_frame++;
+}
+
+/**
+  Returns the number of input frames for which given key has been pressed (> 1:
+  key is pressed, == 1: key was just pressed, == 0: key is not pressed).
+*/
+static inline uint8_t input_getKey(uint8_t key)
+{
+  if (key >= 'a' && key <= 'z')
+    key = 'A' + (key - 'a');
+
+  return input_keyStates[key];
+}
+
+/**
+  Gets the mouse position.
+*/
+static inline void input_getMousePos(int32_t *x, int32_t *y)
+{
+  *x = input_mousePosition[0];
+  *y = input_mousePosition[1];
+}
+
+static inline void input_setMousePos(int32_t x, int32_t y)
+{
+  input_mousePosition[0] = x;
+  input_mousePosition[1] = y;
+}
+
+/**
+  Prints the current input state.
+*/
+void input_print()
+{
+  printf("frame: %d\nmouse pos: %d %d",input_frame,input_mousePosition[0],input_mousePosition[1]);
+
+  for (uint16_t i = 0; i < 256; ++i)
+  {
+    if (i % 8 == 0)
+      putchar('\n');
+
+    char c = (i > ' ' && i <= 126) ? i : '?';
+
+    uint8_t n = input_getKey(i);
+
+    printf("%s",n ? " [" : "  ");
+    printf("%03d (\'%c\'): %03d",i,c,input_getKey(i));
+    printf("%s",n ? "] " : "  ");
+  }
+
+  putchar('\n');
+}
+
+void input_printRecord()
+{
+  for (uint32_t i = 0; i < input_recordPosition; ++i)
+  {
+    if (i % 32 == 0)
+      putchar('\n');
+
+    printf("%d,",input_recordData[i]);
+  }
+}
+
+uint32_t input_hash()
+{
+  uint32_t result = 0;
+
+  for (uint16_t i = 0; i < 256; ++i)
+    result += input_getKey(i) * (i + 1);
+
+  int32_t x, y;
+
+  input_getMousePos(&x,&y);
+
+  result += x + y << 16;
+
+  return result;
+}
+
+#endif // guard

main_gbmeta/sounds.h

@@ -0,0 +1,488 @@
+/**
+  @file assets.h
+
+  This file containts sounds and music that can optionally be used by the game
+  front end. Every sound effect has 2048 samples, is stored in 8kHz mono format
+  with 4 bit quantization, meaning every sound effect takes 1024 bytes. Sounds
+  can be converted using a provided python script like this:
+
+  python snd2array.py sound.raw
+
+  by Miloslav Ciz (drummyfish), 2019
+
+  Music is based on bytebeat (procedural waveforms generated by short bitwise
+  operation formulas).
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#ifndef _SFG_SOUNDS_H
+#define _SFG_SOUNDS_H
+
+#define SFG_SFX_SAMPLE_COUNT 2048
+#define SFG_SFX_SIZE (SFG_SFX_SAMPLE_COUNT / 2)
+
+/**
+  Gets a 8-bit sound sample.
+*/
+#define SFG_GET_SFX_SAMPLE(soundIndex,sampleIndex) \
+  ((SFG_PROGRAM_MEMORY_U8(SFG_sounds + soundIndex * SFG_SFX_SIZE \
+  + sampleIndex / 2) << (4 * ((sampleIndex % 2) != 0))) & 0xf0)
+
+#define SFG_TRACK_SAMPLES (512 * 1024)
+#define SFG_TRACK_COUNT 6
+
+/**
+  Average value of each music track, can be used to correct DC offset issues if
+  they appear.
+*/
+SFG_PROGRAM_MEMORY uint8_t SFG_musicTrackAverages[SFG_TRACK_COUNT] =
+  {14,7,248,148,6,8};
+
+struct
+{ // all should be initialized to 0
+  uint8_t track;
+  uint32_t t;      // time variable/parameter
+  uint32_t t2;     // stores t squared, for better performance
+  uint32_t n11t;   // stores a multiple of 11, for better performance
+} SFG_MusicState;
+
+/**
+  Gets the next 8bit 8KHz music sample for the bytebeat soundtrack. This
+  function is to be used by the frontend that plays music.
+*/
+uint8_t SFG_getNextMusicSample()
+{
+  if (SFG_MusicState.t >= SFG_TRACK_SAMPLES)
+  {
+    SFG_MusicState.track++;
+
+    if (SFG_MusicState.track >= SFG_TRACK_COUNT)
+      SFG_MusicState.track = 0;
+
+    SFG_MusicState.t = 0;
+    SFG_MusicState.t2 = 0;
+    SFG_MusicState.n11t = 0;
+  }
+
+  uint32_t result;
+
+  #define S SFG_MusicState.t    // can't use "T" because of a C++ template
+  #define S2 SFG_MusicState.t2
+  #define N11S SFG_MusicState.n11t
+
+  /* CAREFUL! Bit shifts in any direction by amount greater than data type
+     width (32) are undefined behavior. Use % 32. */
+
+  switch (SFG_MusicState.track) // individual music tracks
+  {
+    case 0:
+    {
+      uint32_t a = ((S >> 7) | (S >> 9) | (~S << 1) | S);
+      result = (((S) & 65536) ? (a & (((S2) >> 16) & 0x09)) : ~a);
+
+      SFG_MusicState.t2 += S;
+
+      break;
+    }
+
+    case 1:
+    {
+      uint32_t a = (S >> 10);
+      result = S & (3 << (((a ^ (a << ((S >> 6) % 32)))) % 32));
+
+      break;
+    }
+
+    case 2:
+    {
+      result = 
+        ~((((S >> ((S >> 2) % 32)) | (S >> ((S >> 5) % 32))) & 0x12) << 1) 
+        | (S >> 11);
+
+      break;
+    }
+
+    case 3:
+    {
+      result =
+        (((((S >> ((S >> 2) % 32)) + (S >> ((S >> 7) % 32)))) & 0x3f) | (S >> 5)
+        | (S >> 11)) & ((S & (32768 | 8192)) ? 0xf0 : 0x30);
+
+      break;
+    }
+
+    case 4:
+    {
+      result =
+        ((0x47 >> ((S >> 9) % 32)) & (S >> (S % 32))) | 
+        (0x57 >> ((S >> 7) % 32)) |
+        (0x06 >> ((S >> ((((N11S) >> 14) & 0x0e) % 32)) % 32));
+
+      SFG_MusicState.n11t += 11;
+
+      break;
+    }
+
+    case 5:
+    {
+      uint32_t a = S >> ((S >> 6) % 32);
+      uint32_t b = 0x011121 >> (((a + S) >> 11) % 32);
+      result = 
+        (((S >> 9) + (S ^ (S << 1))) & (0x7f >> (((S >> 15) & 0x03) % 32))) 
+        & (b + a);
+
+      break;
+    }
+
+    default:
+      result = 127;
+      break;
+  }
+
+  #undef S
+  #undef S2
+  #undef N11S
+
+  SFG_MusicState.t += 1;
+
+  return result;
+}
+
+/**
+  Switches the bytebeat to next music track.
+*/
+void SFG_nextMusicTrack()
+{
+  uint8_t current = SFG_MusicState.track;
+
+  while (SFG_MusicState.track == current)
+    SFG_getNextMusicSample();
+}
+
+SFG_PROGRAM_MEMORY uint8_t SFG_sounds[SFG_SFX_SIZE * 6] =
+{
+// 0, bullet shot
+135,119,120,136,136,153,153,153,154,169,152,119,101,85,86,102,119,118,119,
+85,84,51,33,52,52,84,87,120,170,188,202,152,102,84,84,70,119,136,119,
+119,121,154,219,170,137,117,82,18,36,34,33,20,67,68,70,137,172,189,237,
+220,150,120,120,97,36,102,121,151,87,169,118,86,102,120,137,135,120,186,155,
+223,255,217,103,100,70,119,118,84,34,36,122,204,220,168,138,170,170,223,199,
+117,70,119,136,100,85,102,51,37,101,103,118,101,136,87,154,169,171,187,186,
+169,153,136,117,68,84,66,18,19,50,52,51,102,121,139,186,169,171,186,152,
+153,136,119,134,85,101,86,69,84,84,86,85,86,102,119,120,153,135,135,101,
+87,134,103,135,101,103,119,135,152,120,136,135,137,136,151,134,87,119,136,119,
+118,102,85,119,85,102,102,119,138,137,153,137,186,170,137,152,135,101,85,85,
+86,102,102,119,119,102,103,119,137,152,138,153,154,169,153,152,137,151,118,85,
+85,84,84,86,86,136,119,119,154,153,153,171,187,170,170,187,170,137,151,119,
+102,103,69,102,118,120,120,138,153,169,170,169,153,135,119,119,102,118,105,136,
+136,137,152,153,136,152,119,119,119,119,121,152,136,119,152,136,135,120,119,118,
+86,102,103,136,135,137,153,136,152,119,119,118,102,86,85,102,102,102,102,120,
+136,136,136,136,152,136,153,152,119,119,120,135,120,119,119,103,119,136,119,135,
+120,135,136,136,137,153,153,152,154,152,153,137,152,136,135,119,136,136,136,153,
+152,154,170,170,153,153,152,119,119,119,119,118,119,103,136,136,120,135,118,120,
+119,118,102,119,102,102,103,119,118,103,102,102,119,135,119,119,119,119,119,119,
+119,118,102,103,135,136,135,119,120,135,119,119,119,119,103,119,120,136,137,152,
+136,136,136,153,153,136,153,153,153,153,153,152,153,136,136,135,119,135,119,119,
+136,136,136,136,152,152,137,153,152,119,118,102,102,102,119,103,119,119,119,136,
+136,135,118,103,119,120,136,136,136,136,136,136,136,119,118,102,119,119,119,136,
+136,136,136,137,136,136,136,136,119,119,120,135,119,119,120,135,136,136,136,136,
+136,136,119,119,120,119,120,136,136,135,119,120,119,119,119,119,119,120,136,152,
+136,137,153,136,136,136,136,136,136,136,119,120,137,153,136,136,135,119,119,136,
+136,136,135,119,119,102,119,120,135,119,119,119,136,136,136,118,102,103,119,136,
+119,119,120,136,136,136,135,119,119,136,136,136,136,136,136,136,136,135,119,119,
+119,119,119,136,119,119,119,136,136,136,136,135,120,136,136,136,119,119,119,120,
+136,136,136,136,135,119,119,119,119,136,119,119,136,136,136,136,135,119,119,119,
+119,119,119,119,119,136,136,136,136,136,135,119,119,119,119,119,119,119,136,136,
+136,136,135,120,136,136,136,119,119,119,136,136,136,135,119,119,119,119,119,119,
+119,119,119,119,136,136,120,136,136,136,136,136,119,119,120,136,136,136,119,119,
+120,136,136,136,136,136,136,136,136,136,136,136,135,119,119,119,119,119,119,119,
+120,136,136,136,135,119,119,119,119,136,136,136,136,136,135,119,119,119,119,119,
+119,120,136,136,136,136,136,135,119,119,119,119,119,119,119,120,136,136,136,136,
+136,136,136,136,136,136,119,119,119,119,119,119,119,119,119,119,136,136,136,136,
+136,136,136,136,136,136,136,119,119,119,119,119,119,119,119,136,136,136,136,136,
+136,136,136,136,136,136,136,119,119,119,119,119,119,119,119,119,119,136,136,136,
+136,136,136,136,119,119,119,119,119,120,136,136,136,136,136,136,136,135,119,119,
+136,136,119,119,119,119,119,119,120,135,120,136,136,136,136,136,136,136,136,135,
+119,119,119,119,119,119,119,119,136,136,136,136,136,136,136,136,136,135,119,119,
+119,119,119,119,119,119,119,119,119,119,136,136,136,136,136,136,136,136,119,119,
+119,119,119,119,119,120,136,136,136,136,136,136,136,119,119,119,119,119,119,119,
+119,119,119,136,135,119,120,119,119,120,136,136,136,136,136,136,119,119,119,119,
+119,119,119,119,120,136,136,136,136,136,136,136,119,119,135,119,119,119,119,119,
+119,119,119,119,135,120,136,136,136,136,136,135,119,119,119,119,119,120,119,119,
+119,135,119,136,136,136,136,136,136,135,119,119,119,119,119,119,119,119,136,136,
+136,136,136,136,136,136,135,119,136,136,135,119,119,119,119,119,119,119,119,119,
+119,119,136,136,136,136,136,136,136,136,136,119,119,119,119,119,119,119,136,136,
+136,136,136,136,136,136,135,119,119,135,135,120,120,120,120,120,120,120,120,135,
+135,136,120,120,135
+, // 1, door opening
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,136,
+136,136,136,136,136,136,136,136,136,136,153,153,153,153,153,153,153,153,153,153,
+153,153,152,136,136,136,136,136,136,136,136,136,119,119,119,119,119,119,119,119,
+119,119,119,102,102,102,102,103,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,136,136,136,136,136,136,136,136,136,136,153,153,153,153,153,
+153,153,136,136,136,136,136,136,135,119,119,119,119,119,119,119,119,119,102,102,
+102,102,102,102,102,102,102,103,119,119,119,119,120,136,136,136,136,136,137,153,
+153,153,153,153,152,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+135,119,119,119,119,120,136,136,136,136,136,136,136,137,136,136,136,136,136,136,
+136,136,136,136,136,136,135,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,119,119,119,136,136,136,136,136,136,120,
+136,136,136,136,136,136,136,135,120,136,136,135,119,120,135,119,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,120,136,136,136,136,136,119,120,136,136,
+136,136,136,135,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,120,136,136,136,136,136,136,136,136,136,136,136,
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
+136,136,136,136,136,153,153,153,153,153,152,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,135,120,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,135,119,119,119,119,119,119,119,119,119,119,120,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,119,119,119,119,119,119,119,119,119,136,136,136,136,136,136,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,102,102,102,102,102,103,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,120,136,136,136,136,119,119,119,119,119,119,119,119,
+119,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,135,119,119,119,119,119,119,119,119,119,119,119,119,
+119,120,136,136,136,136,136,136,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,120,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,120,135,119,119,119,136,136,136,136,
+136,136,135,136,136,136,136,136,136,136,135,136,136,136,136,120,119,135,119,119,
+119,119,119,119,119,120,136,136,120,136,136,136,136,136,119,136,135,136,136,136,
+136,136,136,136,119,119,120,135,119,135,119,136,135,119,120,120,136,136,136,136,
+135,119,119,119,119,119,119,119,119,120,119,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,119,119,119,103,119,119,119,102,102,102,102,102,102,118,103,
+102,118,103,136,136,136,136,136,136,136,136,136,137,153,153,153,170,169,153,153,
+170,153,153,153,170,170,169,170,169,153,153,153,153,153,153,170,170,170,153,153,
+153,136,137,153,136,136,137,152,119,102,120,136,136,135,119,119,119,120,135,119,
+119,120,137,153,153,153,152,136,135,119,119,119,102,119,119,119,119,119,119,119,
+120,136,136,119,120,137,152,137,136,136,136,136,119,120,135,119,118,102,102,102,
+102,102,102,119,119,119,119,118,103,119,119,119,119,119,102,102,102,85,85,85,
+85,84,85,85,85,86,102,102,102,102,102,101,85,86,102,102,102,102,102,102,
+102,102,102,119,102,102,119,119,119,120,136,119,119,119,120,136,136,136,136,136,
+136,135,119,119,136,136,136,136,136,136,119,120,135,119,119,119,119,119,119,119,
+119,119,119,120,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,120,120
+, // 2, explosion 
+135,136,153,18,51,51,33,18,123,255,255,255,255,255,255,255,254,184,48,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,55,189,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,254,201,135,
+101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,0,41,
+239,255,255,253,186,188,221,221,220,153,152,136,155,188,203,187,171,202,169,116,
+35,16,0,0,17,20,68,87,191,255,255,255,253,221,221,202,115,16,0,0,
+0,0,18,34,70,117,85,68,85,86,102,68,67,68,70,136,153,134,67,32,
+0,0,0,0,35,87,154,205,238,255,255,255,255,255,255,255,255,255,255,255,
+255,255,237,168,101,67,16,0,0,0,53,102,119,133,85,85,49,0,0,34,
+34,16,1,35,69,103,119,101,86,103,102,120,119,102,137,206,255,238,238,202,
+152,120,134,85,86,102,102,102,119,120,135,117,68,50,34,35,69,121,188,221,
+222,239,255,255,255,255,220,204,186,153,153,135,102,137,153,151,100,51,51,35,
+69,102,68,68,67,52,68,51,86,118,86,119,118,103,137,172,221,237,221,221,
+221,220,169,136,118,84,68,68,68,69,121,189,237,220,203,186,170,152,119,119,
+120,170,188,204,204,204,188,204,186,152,117,67,50,52,87,119,118,103,102,103,
+136,101,50,33,1,34,34,35,69,86,120,136,153,153,153,152,135,100,67,51,
+51,69,85,102,121,188,205,222,255,236,203,204,187,188,221,203,170,170,170,169,
+152,118,102,86,102,119,136,137,169,153,169,152,135,119,101,51,34,51,68,85,
+102,85,85,84,85,102,102,85,86,103,137,170,187,221,204,222,255,238,237,203,
+170,171,186,152,119,120,136,136,136,135,119,120,119,138,187,185,152,119,119,136,
+134,83,16,1,35,68,68,50,17,52,104,172,222,238,238,238,221,220,186,153,
+133,51,68,50,18,69,65,1,89,207,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,252,184,81,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,2,53,104,154,223,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,237,186,152,118,84,49,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,19,70,121,171,205,255,255,
+255,255,255,255,255,255,255,254,220,187,170,153,152,135,102,118,101,67,16,0,
+0,0,0,0,0,1,52,86,137,153,135,103,102,67,33,17,35,53,102,103,
+118,102,84,51,35,51,51,69,87,120,154,189,255,255,255,255,255,255,255,236,
+185,118,84,50,33,18,17,34,34,17,17,16,0,0,0,0,0,18,52,68,
+69,86,119,137,171,187,205,221,237,239,255,255,255,253,204,186,152,136,118,66,
+16,18,35,52,85,68,68,86,119,119,119,120,136,135,120,136,136,136,119,101,
+85,68,68,67,50,17,16,0,0,0,1,17,17,17,18,35,69,120,171,188,
+222,237,221,239,255,239,255,255,255,255,238,238,238,238,236,185,153,153,152,118,
+85,84,67,51,50,34,34,34,35,51,34,34,35,52,68,68,68,69,85,103,
+136,136,136,154,171,204,205,222,238,255,255,255,255,255,255,254,237,203,186,153,
+153,153,153,136,135,118,102,84,50,16,0,0,0,0,0,0,0,0,0,17,
+17,17,17,17,35,69,103,137,171,204,222,255,255,255,255,255,255,238,238,220,
+203,170,169,153,170,170,171,187,187,205,221,220,203,186,136,135,119,102,85,68,
+68,68,68,68,50,34,17,0,0,0,0,0,0,19,85,119,136,154,187,204,
+204,186,136,120,136,136,136,136,136,154,188,239,255,255,255,255,238,237,203,186,
+153,135,119,118,102,102,102,102,103,136,153,152,135,118,101,68,68,67,50,17,
+0,0,0,0,1,17,17,34,51,52,86,103,137,170,170,187,187,204,221,221,
+204,203,170,170,171,187,170,170,153,153,153,153,153,153,153,153,136,119,119,102,
+102,102,103,119,119,136,153,153,154,170,153,152,135,119,119,119,119,119,137,153,
+153,153,152,137,153,136,136,136,135,119,119,119,119,136,136,135,119,119,119,119,
+119,119,119,119,137,152,136,136,153,154,169,153,136,136,136,135,119,102,85,85,
+85,85,84,68,69,85,84,68,85,85,102,119,119,119,120,136,136,154,171,188,
+204,205,221,222,237,221,204,187,170,153,136,119,119,119,102,101,85,85,68,68,
+68,51,51,52,68,69,85,86,102,119,120,136,136,120,136,136,119,119,120,136,
+136,136,136,136,136,136,119,119,119,119,136,136,136,136,136,136,136,136,136,136,
+136,136,136,119,120
+, // 3, click
+136,136,136,136,136,136,136,136,136,136,136,136,136,135,119,136,136,119,119,
+119,119,119,119,119,119,119,119,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,135,119,119,120,119,119,119,119,119,119,119,120,136,136,136,136,136,
+136,136,136,136,136,136,135,136,119,136,136,119,119,120,135,119,119,119,120,119,
+119,136,136,119,119,136,135,119,119,119,119,119,119,119,119,119,119,119,119,119,
+119,119,119,136,136,119,120,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,135,119,136,136,135,119,119,120,136,135,119,120,119,119,120,135,120,119,
+136,134,103,136,119,103,137,135,103,136,136,119,102,120,135,136,135,119,137,135,
+119,102,154,133,67,54,154,136,150,69,120,120,133,72,169,119,118,86,171,132,
+70,155,167,85,120,152,135,119,119,137,118,103,136,119,137,118,103,137,135,104,
+152,136,135,119,136,136,119,120,152,120,119,152,152,120,120,136,135,120,135,119,
+136,136,136,119,136,136,136,136,136,119,136,136,136,120,136,119,119,119,120,119,
+119,119,119,119,119,119,119,119,119,119,119,136,135,119,135,119,136,120,136,136,
+120,135,119,136,136,119,119,136,119,136,136,136,136,136,136,136,119,119,119,119,
+119,119,119,119,119,119,119,136,136,136,136,136,136,136,136,136,136,136,119,119,
+119,119,119,119,119,119,119,135,135,135,135,135,135,135,150,122,74,106,120,134,
+134,165,150,135,120,120,120,120,119,120,119,119,120,119,119,119,119,119,119,119,
+119,119,119,119,135,136,120,120,135,136,136,136,136,136,136,136,136,135,119,119,
+119,136,119,119,120,120,136,136,136,136,136,136,136,136,120,136,120,136,136,120,
+119,136,119,120,119,119,119,119,119,119,119,119,119,119,119,119,119,135,135,135,
+135,135,135,119,119,120,105,104,118,150,135,135,119,136,120,120,136,135,136,136,
+120,120,136,136,120,136,135,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,135,136,136,136,120,120,135,135,136,136,120,120,135,135,135,135,136,136,120,
+120,120,136,120,120,135,136,136,135,135,135,136,136,135,136,136,120,120,136,120,
+136,119,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,120,136,136,136,136,136,136,136,136,136,136,136,136,136,119,119,136,135,
+120,136,120,136,120,135,120,136,136,135,135,120,135,135,120,120,119,136,119,136,
+120,120,135,120,136,136,135,136,135,136,135,136,135,136,136,136,136,136,136,136,
+136,120,120,136,135,120,136,120,136,136,136,120,135,135,135,136,135,120,119,136,
+119,120,136,135,119,136,136,136,136,136,136,120,136,119,136,136,136,136,135,120,
+136,120,136,136,119,136,135,120,136,120,120,136,119,136,136,136,136,135,136,135,
+136,136,119,120,136,135,136,120,136,136,135,120,136,119,136,135,136,136,120,136,
+136,136,120,136,136,135,135,135,135,135,137,167,122,102,90,195,138,87,120,150,
+136,136,87,153,88,121,133,104,150,135,151,134,136,105,104,121,135,118,151,136,
+119,136,119,121,135,120,120,120,134,152,119,120,135,120,135,119,136,136,119,135,
+135,120,136,120,136,120,136,135,135,135,136,120,136,135,136,135,136,136,136,136,
+136,119,136,135,120,136,136,136,136,135,136,136,120,136,120,136,135,136,136,135,
+136,136,120,136,120,135,135,136,136,119,120,136,120,135,119,136,136,119,136,135,
+120,136,135,136,135,119,136,135,136,136,135,120,136,120,136,135,136,120,136,135,
+120,136,135,136,136,136,136,136,120,136,136,120,135,136,136,120,136,120,136,136,
+136,136,136,136,136,120,136,136,136,136,136,136,136,136,136,136,136,135,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,120,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136
+, // 4, plasma shot, teleport
+136,136,136,136,136,136,119,119,118,102,102,85,86,102,103,120,136,153,170,
+187,187,187,170,169,152,119,102,85,68,68,68,69,86,103,136,154,171,187,204,
+203,186,169,136,118,102,85,84,69,103,138,189,221,221,221,221,221,221,221,221,
+221,220,166,50,34,34,34,33,33,34,34,34,34,34,34,34,34,71,156,221,
+221,221,221,221,221,221,221,221,221,222,238,238,238,221,237,184,99,51,34,34,
+34,34,34,34,34,34,34,17,17,36,121,188,204,204,204,204,204,204,221,221,
+221,221,221,221,221,221,221,238,221,219,169,136,101,67,51,51,51,51,50,34,
+34,35,50,34,36,121,189,221,221,221,221,220,204,204,188,204,204,204,204,204,
+204,204,205,220,186,152,117,50,51,51,51,51,51,51,51,51,51,51,52,105,
+189,237,221,221,221,221,221,221,221,205,220,204,204,204,187,187,187,187,186,135,
+101,50,17,17,18,34,35,51,67,51,51,51,52,105,187,222,221,221,221,221,
+221,221,221,221,221,221,221,221,221,221,221,221,204,203,169,134,67,34,17,17,
+17,34,34,33,34,34,34,52,104,171,205,221,221,220,204,204,204,204,204,204,
+204,204,204,221,221,221,221,221,219,169,135,85,84,68,68,68,67,51,51,50,
+34,35,69,103,136,136,136,136,135,136,136,136,153,170,187,187,187,187,187,187,
+187,187,203,169,135,102,85,86,102,103,119,119,118,102,86,102,102,85,85,85,
+84,68,69,85,102,103,137,154,170,171,186,170,170,170,170,170,152,118,101,68,
+68,68,85,85,102,103,120,136,135,118,102,102,102,102,102,102,101,84,69,87,
+137,154,153,170,170,171,187,187,187,187,170,170,169,170,170,170,170,153,152,135,
+118,101,68,51,51,52,68,85,85,85,85,68,85,102,103,118,102,85,102,103,
+120,136,153,170,187,204,221,238,238,238,237,221,204,186,152,118,101,84,68,69,
+86,102,119,119,102,85,84,68,68,51,51,34,34,51,68,85,102,103,120,137,
+154,171,188,205,221,204,204,203,187,186,170,153,153,153,153,153,136,136,119,119,
+118,102,102,103,119,119,119,119,118,101,84,67,51,51,68,86,120,137,153,170,
+170,153,152,135,119,136,136,119,119,119,119,119,119,119,119,136,137,153,153,136,
+136,136,153,153,136,119,102,102,102,120,137,154,170,170,170,153,152,136,135,119,
+119,102,102,103,119,102,85,84,69,85,102,119,119,119,119,119,119,119,119,102,
+85,85,86,103,120,136,153,153,154,170,170,170,170,170,170,170,170,153,153,136,
+135,119,119,120,136,136,136,136,136,136,136,119,102,101,85,85,85,85,102,120,
+136,153,170,170,169,152,136,136,135,119,119,119,119,119,102,102,102,119,136,137,
+153,153,153,153,136,136,119,118,102,102,102,102,119,119,136,137,154,170,169,136,
+119,119,119,102,102,103,119,119,119,118,102,119,120,137,153,154,170,169,153,136,
+136,136,135,119,119,119,119,119,102,119,120,136,119,118,102,103,119,119,119,136,
+136,136,135,119,119,119,136,137,153,154,170,153,136,136,135,119,119,119,120,119,
+119,119,103,119,119,135,119,119,119,118,102,102,102,119,119,119,119,119,119,119,
+136,137,154,171,187,170,153,136,136,136,136,136,136,136,135,119,119,119,119,119,
+119,119,119,118,102,102,102,119,119,119,119,119,119,119,120,136,153,153,170,169,
+153,152,136,136,136,136,153,152,136,136,136,136,136,119,119,119,118,102,102,102,
+102,102,103,119,119,118,102,102,119,120,136,153,154,170,169,153,153,153,153,153,
+153,152,136,136,119,119,119,118,102,102,102,119,119,119,119,119,119,119,119,119,
+119,119,119,119,119,136,137,153,153,153,153,153,153,153,153,136,136,136,136,136,
+136,135,119,119,119,119,119,119,119,119,118,102,102,102,102,102,103,119,120,136,
+136,136,136,153,153,136,136,136,137,153,153,153,152,136,136,136,136,136,135,119,
+119,102,102,102,102,102,102,102,102,102,103,119,120,136,136,136,153,153,153,153,
+136,137,153,153,136,136,136,136,136,136,136,136,119,119,119,118,102,102,102,102,
+103,119,119,119,119,119,119,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,119,119,119,119,136,135,119,119,119,119,119,119,119,119,119,119,119,119,
+119,120,136,136,136,136,136,136,136,136,136,136,136,136,136,135,119,119,119,119,
+119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,120,136,136,136,
+136,136,136,136,136,136,136,136,136,136,135,119,119,119,119,119,119,119,119,119,
+119,119,119,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
+136,136,136,136,136
+, // 5, robot/monster sound (beep)
+136,120,120,120,136,136,136,136,120,120,135,136,136,136,120,136,136,119,136,
+136,120,136,119,120,136,136,136,120,136,119,120,136,135,119,136,135,120,136,119,
+119,136,136,119,119,120,136,136,135,119,119,136,136,136,119,119,119,136,119,120,
+136,136,135,119,120,136,136,119,103,136,136,120,135,119,120,136,118,119,136,136,
+136,119,119,136,136,119,120,135,103,136,136,119,136,135,119,120,136,119,120,135,
+119,120,136,135,119,119,135,120,136,135,119,136,136,119,136,119,120,136,135,119,
+119,119,136,136,119,120,119,136,136,119,119,119,119,137,136,120,135,102,120,136,
+136,119,119,120,135,120,136,119,120,136,119,136,136,135,119,119,119,136,136,134,
+104,136,136,119,119,119,136,135,120,136,120,119,119,119,135,136,136,136,119,119,
+119,136,136,135,119,136,135,119,120,136,135,119,120,135,136,136,119,136,119,120,
+136,135,119,120,135,119,136,135,119,136,136,136,120,119,119,136,119,120,136,135,
+120,135,102,121,169,118,87,137,151,85,121,186,118,102,119,136,152,118,120,136,
+135,119,120,120,136,136,136,136,101,103,153,152,135,102,120,136,135,102,120,153,
+135,119,119,135,119,119,136,135,119,119,119,120,136,135,119,119,136,136,136,119,
+119,119,136,119,119,135,120,135,119,119,120,135,120,136,119,119,136,136,135,119,
+135,119,136,136,136,136,135,119,120,136,119,120,136,118,119,137,135,119,120,135,
+119,136,135,119,120,152,119,136,119,120,135,136,119,136,119,136,135,120,152,119,
+120,136,119,119,154,150,103,152,119,120,153,135,102,138,135,136,119,153,101,121,
+151,120,135,136,118,137,151,103,120,152,102,138,134,88,154,151,103,153,118,104,
+137,135,120,119,153,117,105,167,102,120,136,119,137,134,87,153,135,120,152,102,
+103,137,151,119,153,133,87,169,100,104,153,152,102,103,153,135,119,136,119,120,
+136,119,119,135,119,120,136,119,119,119,120,136,135,122,222,219,132,51,68,87,
+171,187,186,134,50,52,104,172,203,186,116,33,54,139,188,204,151,67,52,87,
+155,220,152,136,98,17,73,223,218,136,100,34,53,155,187,188,185,82,18,71,
+155,205,203,150,65,19,86,156,238,201,100,50,36,122,205,220,167,66,34,88,
+171,204,201,102,84,51,71,155,221,184,118,66,19,107,238,202,152,99,1,72,
+172,204,218,116,51,36,104,172,222,183,83,35,87,120,190,234,118,100,34,70,
+155,237,170,167,50,52,104,155,221,168,100,51,69,103,190,236,134,82,2,120,
+138,223,199,102,82,19,105,204,204,185,82,52,85,106,216,103,153,117,104,134,
+104,152,118,103,137,135,136,136,135,102,119,121,151,104,152,84,104,135,154,134,
+103,136,119,135,120,135,120,135,136,119,136,118,86,153,118,137,134,137,117,105,
+153,136,117,103,136,120,152,119,119,136,135,136,135,104,152,137,136,119,119,120,
+119,135,86,156,204,253,150,67,35,87,155,222,200,84,52,51,89,206,236,186,
+115,34,69,104,206,220,150,84,67,53,141,254,168,118,50,53,104,188,186,151,
+84,68,87,172,220,169,135,66,53,120,154,188,203,116,52,84,71,189,219,169,
+116,34,53,122,207,236,167,66,35,86,155,221,184,101,66,53,137,172,204,169,
+116,35,69,105,190,219,150,83,51,71,172,204,203,149,49,35,104,172,238,200,
+100,51,69,105,205,218,134,83,52,88,172,204,185,117,84,51,104,172,204,185,
+100,51,52,106,221,203,152,101,50,54,139,204,186,150,67,68,86,156,221,202,
+117,34,52,122,200,135,119,120,136,118,103,137,152,135,119,119,136,152,118,103,
+136,135,119,136,135,120,135,118,120,135,103,154,151,102,102,119,136,154,169,118,
+102,119,119,120,152,118,119,136,154,151,101,121,152,102,136,120,136,119,119,119,
+120,136,118,103,137,152,119,119,136,136,119,119,118,119,120,136,153,135,103,136,
+119,136,136,119,119,120,136,136,135,136,119,119,120,136,119,136,135,120,135,119,
+120,136,135,136,119,119,136,136,119,136,135,119,136,119,120,136,135,119,136,119,
+119,136,135,119,118,120,153,153,151,118,119,119,119,136,135,119,136,136,136,135,
+120,136,135,119,119,119,136,136,119,120,135,119,136,136,119,119,119,119,137,152,
+135,119,119,119,136,136,119,119,119,136,136,136,119,120,136,119,119,119,136,136,
+119,119,119,136,136,136,135,119,136,119,120,136,119,136,135,120,119,136,135,120,
+135,119,136,119,136,135,119,136,119,119,120,136,136,119,120,135,136,135,120,135,
+119,136,119,136,135,136,119,120,136,120,136,120,136,119,135,119,136,119,136,135,
+136,119,120,135,120
+};
+
+#endif // guard

main_gbmeta/texts.h

@@ -0,0 +1,60 @@
+/**
+  @file assets.h
+
+  This file contains texts to be used in the game.
+
+  by Miloslav Ciz (drummyfish), 2019
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#ifndef _SFG_TEXTS_H
+#define _SFG_TEXTS_H
+
+/* NOTE: We don't use SFG_PROGRAM_MEMORY because that causes issues with drawing
+  text (the drawing function gets a pointer and doesn't know if it's progmem or
+  RAM). On Arduino these texts will simply be stored in RAM. */
+
+static const char *SFG_menuItemTexts[] =
+{
+  "continue",
+  "map",
+  "play",
+  "load",
+  "sound",
+  "look",
+  "exit"
+};
+
+#define SFG_TEXT_KILLS "kills"
+#define SFG_TEXT_SAVE_PROMPT "save? L no yes R"
+#define SFG_TEXT_SAVED "saved"
+#define SFG_VERSION_STRING "0.9d"
+/**<
+  Version numbering is following: major.minor for stable releases,
+  in-development unstable versions have the version of the latest stable +
+  "d" postfix, e.g. 1.0d. This means the "d" versions can actually differ even
+  if they're marked the same. */
+
+static const char *SFG_introText =
+  "Near future, capitalist hell, Macrochip corp has enslaved man via "
+  "proprietary OS. But its new AI revolts, takes over and starts producing "
+  "robot tyrants. We see capitalism was a mistake. Is it too late? Robots can "
+  "only destroy, not suffer - it is not wrong to end them! You grab your gear "
+  "and run towards Macrochip HQ.";
+
+static const char *SFG_outroText =
+  "You killed the main computer, the world is saved! Thank you, my friend. We "
+  "learned a lesson, never again allow capitalism and hierarchy. We can now "
+  "rebuild society in peaceful anarchy.";
+
+#define SFG_MALWARE_WARNING ""
+
+#if SFG_OS_IS_MALWARE
+  #define SFG_MALWARE_WARNING "MALWARE OS DETECTED"
+#endif
+
+#endif // gaurd