dos-vga-arena-shooter-game/system/vga.h

#ifndef __VGA_H__
#define __VGA_H__

#include <time.h>

#include "../types.h"
#include "../bmpload.h"

#define VGA_DISPLAY_WIDTH (320)
#define VGA_DISPLAY_HEIGHT (200)

struct VGAColor {
  byte red;
  byte green;
  byte blue;
};

struct SpriteRender {
  byte* data;
  int x;
  int y;
  unsigned int width;
  unsigned int height;
  int transparentColor;
  unsigned int modulo;

  int offsetX;
  int offsetY;
};

struct CompiledSpriteRender {
  void (*code)(byte *);
  int x;
  int y;
  unsigned int width;
  unsigned int height;
  int offsetX;
  int offsetY;
};

struct SpriteBounds {
  int top;
  int right;
  int bottom;
  int left;
};

void drawPixel(int x, int y, int color);

void drawSprite(struct SpriteRender *sprite);
void drawCompiledSprite(struct CompiledSpriteRender *compiledSprite);
void buildSpriteFromSpritesheet(struct BMPImage*, struct SpriteRender*, int, int, int, int);
void buildCompiledSprite(
  void (*)(byte *),
  struct CompiledSpriteRender*,
  int width, int height,
  int offsetX, int offsetY
);
void getSpriteBounds(struct CompiledSpriteRender *sprite, struct SpriteBounds *bounds);

byte *initializeDrawBuffer();
byte *getDrawBuffer();
void freeDrawBuffer();
void copyDrawBufferToDisplay();

void setVGAColors(struct VGAColor[], int);

#endif