src/main.h


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#include <SDL2/SDL.h>
extern SDL_Window *window;
extern SDL_Renderer *renderer;

extern unsigned input_now;

extern struct entity {
	int (*update)(struct entity *self);
	int (*hurt)(struct entity *self, int damage);
	int (*draw)(struct entity *self, int camx, int camy);
	int x, y; // unsigned results in a bunch of weird edge cases
	struct velocity {
		signed x, y;
	} velocity;
	struct hitbox {
		unsigned left, right, top, bottom;
	} hitbox;
	unsigned state;
	int hp;
	int timer;
	void *texture;
	void *ext;
} player[1];