From d901d439a7644fc7a2f34e2525405e6307d08051 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <drummyfish@disroot.org>
Date: Wed, 23 Sep 2020 15:52:30 +0200
Subject: [PATCH] Start gb meta

---
 game.h          |   6 +--
 main_gbmeta.ino | 116 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 119 insertions(+), 3 deletions(-)
 create mode 100644 main_gbmeta.ino

diff --git a/game.h b/game.h
index fb79fdc..27950f7 100755
--- a/game.h
+++ b/game.h
@@ -161,8 +161,8 @@ void SFG_init();
 #if SFG_ARDUINO
   #include <avr/pgmspace.h>
 
-  #define SFG_PROGRAM_MEMORY static const
-  #define SFG_PROGRAM_MEMORY_U8(addr) ((uint8_t) (*(addr)))
+  #define SFG_PROGRAM_MEMORY const PROGMEM
+  #define SFG_PROGRAM_MEMORY_U8(addr) pgm_read_byte(addr)
   // TODO
 #else
   #define SFG_PROGRAM_MEMORY static const
@@ -1415,7 +1415,7 @@ void SFG_setAndInitLevel(uint8_t levelNumber)
   const SFG_Level *level;
 
 #if SFG_ARDUINO
-  memcpy_P(&SFG_ramLevel,SFG_levelEnds + levelNumber * sizeof(SFG_Level),1);
+  memcpy_P(&SFG_ramLevel,SFG_levels + levelNumber * sizeof(SFG_Level),sizeof(SFG_Level));
   level = &SFG_ramLevel;
 #else
   level = &SFG_levels[levelNumber];
diff --git a/main_gbmeta.ino b/main_gbmeta.ino
new file mode 100644
index 0000000..8155bda
--- /dev/null
+++ b/main_gbmeta.ino
@@ -0,0 +1,116 @@
+/**
+  @file main_gbmeta.ino
+
+  This is Gamebuino Meta implementation of the game front end, using the
+  official library.
+
+  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 20
+
+#define SFG_SCREEN_RESOLUTION_X 80
+#define SFG_SCREEN_RESOLUTION_Y 64
+#define SFG_RESOLUTION_SCALEDOWN 1
+#define SFG_RAYCASTING_MAX_STEPS 20  
+#define SFG_RAYCASTING_MAX_HITS 5
+#define SFG_RAYCASTING_SUBSAMPLE 2
+
+#define SFG_DITHERED_SHADOW 0
+
+#include "game.h"
+
+Gamebuino_Meta::Color palette[256];
+
+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_getMouseOffset(int16_t *x, int16_t *y)
+{
+}
+
+void SFG_enableMusic(uint8_t enable)
+{
+}
+
+void SFG_save(uint8_t data[SFG_SAVE_SIZE])
+{
+}
+
+uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
+{
+  return 0;
+}
+
+void SFG_playSound(uint8_t soundIndex, uint8_t volume)
+{
+}
+
+uint32_t SFG_getTimeMs()
+{
+  return gb.frameStartMicros / 1000;
+}
+
+void setup()
+{
+  gb.begin();
+
+  gb.setFrameRate(SFG_FPS);
+
+  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();
+}
+
+
+void loop()
+{
+  while(!gb.update())
+  {
+  }
+
+  //gb.display.clear();
+
+  SFG_mainLoopBody();
+}