#pragma once
#include <cstdint>
#include <math.h>
#include <SDL2/SDL.h>

#define pi 3.141592653589793

// Tipos de Pascal
typedef double real;
typedef int integer;
typedef unsigned char byte;
typedef bool boolean;
typedef uint16_t word;

byte 			video[38400];

SDL_Window 		*sdlWindow;
SDL_Renderer 	*sdlRenderer;
SDL_Texture 	*sdlTexture;
SDL_Event 		sdlEvent;

Uint32 			*pixels;
int 			pitch;
bool			eixir = false;

void randomize() {
	srand(SDL_GetTicks());
}

float random(int x) {
	return float(rand() % x);
}

void mcga() {
	SDL_Init(SDL_INIT_EVERYTHING);
	sdlWindow = SDL_CreateWindow("Asteroids", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_SHOWN);
	sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, SDL_RENDERER_PRESENTVSYNC);
	sdlTexture = SDL_CreateTexture(sdlRenderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, 640, 480);
}

void text() {
	SDL_Quit();
}

bool shouldexit() { return eixir; }

void waitretrace() {
	while (SDL_PollEvent(&sdlEvent)) {
		if (sdlEvent.type == SDL_QUIT) { eixir = true; }
	}
	SDL_LockTexture(sdlTexture, NULL, (void**)&pixels, &pitch);
	int pos=0;
	for (int y=0; y<480;y++) {
		for (int x=0; x<80;x++) {
			pixels[pos++] = ((video[y*80+x]>>7)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]>>6)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]>>5)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]>>4)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]>>3)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]>>2)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]>>1)&1)?0xffffffff:0x000000ff;
			pixels[pos++] = ((video[y*80+x]   )&1)?0xffffffff:0x000000ff;
		}
	}
	SDL_UnlockTexture(sdlTexture);
	SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, NULL);
    SDL_RenderPresent(sdlRenderer);
}

void gotoxy(int x, int y) {

}
void write(const char* text) {

}