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#include "graphics.hpp"
#define CELL_GAP 5
#define GRID_BORDER 10
Graphics::Graphics(Game *g, std::string t, int w, int h)
{
running = true;
game = g;
title = t;
width = w;
height = h;
if (SDL_Init(SDL_INIT_VIDEO) < 0)
error();
if ((window = SDL_CreateWindow(title.c_str(), 0, 0, width, height, 0)) == NULL)
error();
if ((renderer = SDL_CreateRenderer(window, -1, 0)) == NULL)
error();
if (TTF_Init() < 0)
error();
if ((font = TTF_OpenFont("./font/noto_mono_regular.ttf", 16)) == NULL)
error();
std::cout << font << std::endl;
}
Graphics::~Graphics()
{
TTF_CloseFont(font);
TTF_Quit();
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
}
void Graphics::update()
{
if (game->lost())
running = false;
SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(renderer);
handleEvent();
drawGame();
SDL_RenderPresent(renderer);
SDL_Delay(3);
}
void Graphics::drawGame()
{
SDL_SetRenderDrawColor(renderer, 50, 50, 50, SDL_ALPHA_OPAQUE);
for (int i = 0; i < game->getSize(); i++)
for (int j = 0; j < game->getSize(); j++)
drawCell(i, j);
}
void Graphics::drawCell(int x, int y)
{
SDL_Rect r;
SDL_Color c;
SDL_Surface *text;
SDL_Texture *tex;
c.r = 255;
c.g = 255;
c.b = 255;
c.a = 255;
if ((text = TTF_RenderText_Solid(font, std::to_string(game->at(x, y)).c_str(), c)) == NULL)
error();
if ((tex = SDL_CreateTextureFromSurface(renderer, text)) == NULL)
error();
SDL_FreeSurface(text);
r.x = 2 + x * (width / game->getSize());
r.y = 2 + y * (height / game->getSize());
r.w = (width / game->getSize() - 5);
r.h = (height / game->getSize() - 5);
SDL_RenderFillRect(renderer, &r);
r.x += 20;
r.y += 20;
SDL_QueryTexture(tex, NULL, NULL, &r.w, &r.h);
SDL_RenderCopy(renderer, tex, NULL, &r);
SDL_DestroyTexture(tex);
}
bool Graphics::isRunning()
{
return running;
}
void Graphics::handleEvent()
{
SDL_Event e;
while (SDL_PollEvent(&e))
{
switch (e.type)
{
case SDL_QUIT:
running = false;
break;
case SDL_KEYDOWN:
switch (e.key.keysym.sym)
{
case SDLK_LEFT:
game->move(DIRECTION_LEFT);
break;
case SDLK_RIGHT:
game->move(DIRECTION_RIGHT);
break;
case SDLK_DOWN:
game->move(DIRECTION_DOWN);
break;
case SDLK_UP:
game->move(DIRECTION_UP);
break;
}
}
}
}
void Graphics::error()
{
std::cout << SDL_GetError() << std::endl;
exit(1);
}
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