#ifndef render_h
#define render_h

#include "config.h"
#include "rect.h"

typedef struct {
	unsigned char r, g, b, a;
} Colour;

Colour make_colour(unsigned rgb, unsigned char a);
Colour make_black();
Colour make_white();

typedef struct {
	Colour* pixels;
	int w, h;
} Bitmap;

void init_bitmap(
	Bitmap* bitmap,
	Colour* pixels,
	int w,
	int h
);

typedef struct BM_Font {
	const Bitmap* bmp;
	int char_w, char_h;
	int chars_across;
} BM_Font;

void init_font(
	BM_Font* font,
	const Bitmap* bmp,
	int char_w,
	int char_h,
	int chars_across
);

void rfont_char(const BM_Font* font, int x, int y, char c);
void rfont_char_col(
	const BM_Font* font,
	int x,
	int y,
	char c,
	Colour colour
);
void rfont_text(
	const BM_Font* font,
	int x,
	int y,
	const char* text
);
void rfont_text_col(
	const BM_Font* font,
	int x,
	int y,
	const char* text,
	Colour colour
);

void init_renderer();

void renderer_begin_frame();

Colour* get_render_pixels();

extern int sprite_camera_x;
extern int sprite_camera_y;

void render_bitmap(
	const Bitmap* bitmap,
	int x,
	int y,
	const Rectangle* rect
);

void render_bitmap_col(
	const Bitmap* bitmap,
	int x,
	int y,
	const Rectangle* rect,
	Colour colour
);

void blit(
	Bitmap* dst,
	const Bitmap* src,
	int x,
	int y,
	const Rectangle* rect
);

void blit_col(
	Bitmap* dst,
	const Bitmap* src,
	int x,
	int y,
	const Rectangle* rect,
	Colour colour
);

#endif