#ifdef PLAN9
	#include <u.h>
	#include <libc.h>
	#include <draw.h>
	#include <thread.h>
	#include <keyboard.h>
	#include <mouse.h>

	typedef char i8;
	typedef unsigned char u8;
	typedef short i16;
	typedef unsigned short u16;
	typedef int i32;
	typedef unsigned int u32;
#else
	#include <stdio.h>
	#include <stdlib.h>
	#include <stdint.h>
	#include <assert.h>
	#include <math.h>
	#include <SDL/SDL.h>
	#define nil ((void*)0)

	typedef int8_t i8;
	typedef uint8_t u8;
	typedef int16_t i16;
	typedef uint16_t u16;
	typedef int32_t i32;
	typedef uint32_t u32;
#endif

#include "math.h"

extern int running;

extern int doBlend;
extern int doZ;

typedef struct Canvas Canvas;
struct Canvas
{
	u8 *fb;
	u32 *zbuf;
	int w, h;
};
extern Canvas *canvas;

typedef struct Texture Texture;
struct Texture
{
	u8 *pixels;
	int w, h;
	int wrap;
};
extern Texture *curtex;

typedef struct Point3 Point3;
struct Point3
{
	int x, y, z;
};

typedef struct Color Color;
struct Color
{
	i32 r, g, b, a;
};

typedef struct Vertex Vertex;
struct Vertex
{
	Point3 v;
	float z, oneoverz;
	Color c;
	Vector2 st;
};

Canvas *makecanvas(int w, int h);
Texture *maketexture(int w, int h);
void putpixel(Canvas *canvas, Point3 p, Color c);
void clearcanvas(Canvas *canvas);
void drawRect(Canvas *canvas, Point3 p1, Point3 p2, Color c);
void drawLine(Canvas *canvas, Point3 p1, Point3 p2, Color c);
void drawWireTri(Canvas *canvas, Point3 p1, Point3 p2, Point3 p3, Color c);
void drawTriangle(Canvas *canvas, Vertex p1, Vertex p2, Vertex p3);