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Start explosions

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This commit is contained in:
Miloslav Číž 2019-10-21 19:58:11 +02:00
parent 371093b95d
commit 7666fc9be0
5 changed files with 132 additions and 36 deletions
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23
assets.h
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@ -498,7 +498,28 @@ SFG_PROGRAM_MEMORY uint8_t SFG_monsterSprites[][SFG_TEXTURE_STORE_SIZE] =
SFG_PROGRAM_MEMORY uint8_t SFG_effects[][SFG_TEXTURE_STORE_SIZE] =
{
{ // 0, fireball
{ // 0, explostion
175,103,95,183,191,7,111,255,31,254,173,87,15,102,23,190,0,0,0,0,0,0,0,0,16,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,1,16,0,0,16,0,0,0,0,0,0,0,0,0,16,0,1,17,0,1,16,0,0,1,16,
0,17,0,0,0,17,0,17,17,16,17,0,0,1,17,0,0,17,17,16,0,1,18,34,50,17,17,0,1,17,17,
0,0,1,23,17,17,187,34,35,241,33,16,1,17,33,16,0,0,1,23,113,18,43,33,19,65,17,16,
17,18,49,16,0,0,1,17,115,146,34,17,115,65,17,17,17,51,17,0,0,0,0,17,19,57,42,17,
35,102,17,19,114,52,16,0,0,0,0,17,34,58,161,23,42,194,35,34,34,68,16,0,0,1,16,1,
34,35,33,18,157,194,50,35,51,65,17,17,0,0,17,18,34,18,19,217,38,85,109,212,68,
34,17,0,0,0,0,18,33,17,51,54,120,85,102,51,68,18,32,0,0,0,1,34,23,34,51,68,133,
85,86,51,65,50,35,16,0,1,17,18,33,68,54,72,85,85,86,99,67,18,33,17,16,17,17,19,
54,104,181,85,85,85,85,91,134,67,51,19,51,0,17,18,33,20,54,104,85,85,88,225,102,
99,35,51,48,0,0,17,33,19,36,69,85,85,88,22,98,41,35,48,0,0,0,0,19,51,52,88,83,
70,88,102,119,50,32,0,0,0,0,17,17,51,51,69,35,68,136,102,114,34,17,0,0,0,1,16,1,
18,52,66,116,68,104,129,18,34,17,16,0,0,0,0,17,114,51,55,68,68,54,102,114,35,16,
17,0,0,0,1,17,115,19,51,52,65,19,145,18,147,48,0,0,0,0,1,17,33,44,50,51,67,34,
169,51,35,49,0,0,0,0,17,18,34,49,50,35,202,34,42,35,114,51,0,0,0,1,17,50,49,17,
17,51,146,34,34,17,23,35,16,0,0,1,19,49,17,17,17,57,34,33,177,17,19,35,16,0,0,
17,17,17,16,1,1,19,17,1,16,1,19,50,48,0,0,17,17,0,0,17,1,19,17,0,16,0,17,17,49,
0,0,0,0,0,0,16,0,17,16,0,17,0,0,17,17,0,0,0,0,0,0,0,0,17,16,0,1,0,0,0,0,0,0,0,0,
0,0,0,0,1,0,0,0,0,0,0,0,0
},
{ // 1, fireball
175,103,183,7,191,111,254,31,95,180,173,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,17,17,0,0,0,0,0,

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120
main.c
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@ -303,7 +303,9 @@ typedef struct
typedef struct
{
uint8_t type;
uint8_t framesToLive;
uint8_t doubleFramesToLive; /**< This number times two (because 256 could be
too little at high FPS) says after how many
frames the projectile is destroyed. */
uint16_t position[3]; /**< Current position, stored as u16 to save space, as
that is exactly enough to store position on 64x64
map. */
@ -312,6 +314,16 @@ typedef struct
#define SFG_MAX_PROJECTILES 12
#define SFG_PROJECTILE_EXPLOSION 0
#define SFG_PROJECTILE_FIREBALL 1
#define SFG_EXPLOSION_DURATION_DOUBLE_FRAMES \
(SFG_EXPLOSION_DURATION / SFG_MS_PER_FRAME)
#if SFG_EXPLOSION_DURATION_DOUBLE_FRAMES == 0
#define SFG_EXPLOSION_DURATION_FRAMES 1
#endif
/*
GLOBAL VARIABLES
===============================================================================
@ -1136,6 +1148,27 @@ uint8_t SFG_createProjectile(SFG_ProjectileRecord projectile)
return 1;
}
void SFG_createExplosion(RCL_Unit x, RCL_Unit y, RCL_Unit z)
{
SFG_LOG("creating explostion");
SFG_ProjectileRecord explostion;
explostion.type = SFG_PROJECTILE_EXPLOSION;
explostion.position[0] = x;
explostion.position[1] = y;
explostion.position[2] = z;
explostion.direction[0] = 0;
explostion.direction[1] = 0;
explostion.direction[2] = 0;
explostion.doubleFramesToLive = SFG_EXPLOSION_DURATION_DOUBLE_FRAMES;
SFG_createProjectile(explostion);
}
/**
Performs one game step (logic, physics), happening SFG_MS_PER_FRAME after
previous frame.
@ -1166,12 +1199,11 @@ void SFG_gameStep()
SFG_ProjectileRecord p;
p.type = 0;
p.framesToLive = 255;
p.type = SFG_PROJECTILE_FIREBALL;
p.doubleFramesToLive = 255;
p.position[0] = SFG_player.camera.position.x;
p.position[1] = SFG_player.camera.position.y;
p.position[2] = SFG_player.camera.height;
p.position[2] = SFG_player.camera.height - 256;
RCL_Vector2D dir = RCL_angleToDirection(SFG_player.camera.direction);
@ -1179,7 +1211,8 @@ p.direction[0] = (dir.x * SFG_ROCKER_MOVE_UNITS_PER_FRAME) / RCL_UNITS_PER_SQUAR
p.direction[1] = (dir.y * SFG_ROCKER_MOVE_UNITS_PER_FRAME) / RCL_UNITS_PER_SQUARE;
p.direction[2] = 0;
printf("%d\n",SFG_createProjectile(p));
SFG_createProjectile(p);
}
if (SFG_keyIsDown(SFG_KEY_A))
@ -1367,6 +1400,10 @@ printf("%d\n",SFG_createProjectile(p));
// update projectiles:
uint8_t substractFrames =
(SFG_gameFrame - SFG_currentLevel.frameStart) & 0x01 ? 1 : 0;
// ^ only substract frames to live every other frame
for (int8_t i = 0; i < SFG_currentLevel.projectileRecordCount; ++i)
{
SFG_ProjectileRecord *p = &(SFG_currentLevel.projectileRecords[i]);
@ -1389,6 +1426,17 @@ printf("%d\n",SFG_createProjectile(p));
}
}
if (p->doubleFramesToLive == 0)
{
collides = 1;
}
else if (SFG_floorHeightAt(
pos[0] / RCL_UNITS_PER_SQUARE,pos[1] / RCL_UNITS_PER_SQUARE)
>= pos[2])
{
collides = 1;
}
if (collides)
{
SFG_LOG("projectile collides");
@ -1402,6 +1450,9 @@ printf("%d\n",SFG_createProjectile(p));
SFG_currentLevel.projectileRecordCount--;
i--;
if (p->type == SFG_PROJECTILE_FIREBALL)
SFG_createExplosion(p->position[0],p->position[1],p->position[2]);
}
else
{
@ -1409,6 +1460,8 @@ printf("%d\n",SFG_createProjectile(p));
p->position[1] = pos[1];
p->position[2] = pos[2];
}
p->doubleFramesToLive -= substractFrames;
}
// handle door:
@ -1731,28 +1784,6 @@ void SFG_draw()
// draw sprites:
// projecile sprites:
for (uint8_t i = 0; i < SFG_currentLevel.projectileRecordCount; ++i)
{
SFG_ProjectileRecord *proj = &(SFG_currentLevel.projectileRecords[i]);
RCL_Vector2D worldPosition;
worldPosition.x = proj->position[0];
worldPosition.y = proj->position[1];
RCL_PixelInfo p =
RCL_mapToScreen(worldPosition,proj->position[2],SFG_player.camera);
if (p.depth > 0)
SFG_drawScaledSprite(SFG_effects[0],
p.position.x * SFG_RAYCASTING_SUBSAMPLE,p.position.y,
RCL_perspectiveScale(SFG_GAME_RESOLUTION_Y,p.depth),
p.depth / (RCL_UNITS_PER_SQUARE * 2),p.depth);
}
// monster sprites:
for (uint8_t i = 0; i < SFG_currentLevel.monsterRecordCount; ++i)
{
@ -1809,6 +1840,39 @@ void SFG_draw()
p.depth / (RCL_UNITS_PER_SQUARE * 2),p.depth);
}
// projecile sprites:
for (uint8_t i = 0; i < SFG_currentLevel.projectileRecordCount; ++i)
{
SFG_ProjectileRecord *proj = &(SFG_currentLevel.projectileRecords[i]);
RCL_Vector2D worldPosition;
worldPosition.x = proj->position[0];
worldPosition.y = proj->position[1];
RCL_PixelInfo p =
RCL_mapToScreen(worldPosition,proj->position[2],SFG_player.camera);
const uint8_t *s =
SFG_effects[proj->type == SFG_PROJECTILE_FIREBALL ? 1 : 0];
int16_t spriteSize = SFG_GAME_RESOLUTION_Y / 2;
if (proj->type == SFG_PROJECTILE_EXPLOSION)
{
spriteSize =
(SFG_GAME_RESOLUTION_Y * (SFG_EXPLOSION_DURATION_DOUBLE_FRAMES - proj->doubleFramesToLive) ) /
SFG_EXPLOSION_DURATION_DOUBLE_FRAMES;
}
if (p.depth > 0)
SFG_drawScaledSprite(s,
p.position.x * SFG_RAYCASTING_SUBSAMPLE,p.position.y,
RCL_perspectiveScale(spriteSize,p.depth),
p.depth / (RCL_UNITS_PER_SQUARE * 2),p.depth);
}
#if SFG_HEADBOB_ENABLED
// substract head bob after rendering
SFG_player.camera.height -= headBobOffset;

16
raycastlib.h
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@ -26,7 +26,7 @@
author: Miloslav "drummyfish" Ciz
license: CC0 1.0
version: 0.90
version: 0.901
*/
#include <stdint.h>
@ -855,8 +855,11 @@ void RCL_castRayMultiHit(RCL_Ray ray, RCL_ArrayFunction arrayFunc,
divided by leg B (length along the same axis). */
h.distance =
((h.position.x - ray.start.x) * RCL_UNITS_PER_SQUARE * rayDirXRecip)
/ RECIP_SCALE;
(((h.position.x - ray.start.x) / 4) *
RCL_UNITS_PER_SQUARE * rayDirXRecip)
/ (RECIP_SCALE / 4);
// ^ / 4 is here to prevent overflow
#endif
}
else
@ -877,8 +880,11 @@ void RCL_castRayMultiHit(RCL_Ray ray, RCL_ArrayFunction arrayFunc,
#if RCL_RECTILINEAR
h.distance =
((h.position.y - ray.start.y) * RCL_UNITS_PER_SQUARE * rayDirYRecip)
/ RECIP_SCALE;
(((h.position.y - ray.start.y) / 4) *
RCL_UNITS_PER_SQUARE * rayDirYRecip)
/ (RECIP_SCALE / 4);
// ^ / 4 is here to prevent overflow
#endif
}

9
settings.h
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@ -32,14 +32,14 @@
game to run at smaller resolution (with bigger pixels), do his using
SFG_RESOLUTION_SCALEDOWN;
*/
#define SFG_SCREEN_RESOLUTION_X 800
#define SFG_SCREEN_RESOLUTION_X 1024
/**
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;
*/
#define SFG_SCREEN_RESOLUTION_Y 600
#define SFG_SCREEN_RESOLUTION_Y 768
/**
How many times the screen resolution will be divided (how many times a game
@ -125,4 +125,9 @@
*/
#define SFG_CAMERA_MAX_SHEAR 1024
/**
Duration in ms of the explosion animation.
*/
#define SFG_EXPLOSION_DURATION 70
#endif // guard