game class, display of the game grid

1 files changed, 57 insertions, 4 deletions

diff --git a/src/graphics.cpp b/src/graphics.cpp
index 589a1a8..3fca69b 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -1,22 +1,30 @@
 #include "graphics.hpp"
 
-Graphics::Graphics(std::string t, int w, int h)
+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)
-        return;
+        error();
     if ((window = SDL_CreateWindow(title.c_str(), 0, 0, width, height, 0)) == NULL)
-        return;
+        error();
     if ((renderer = SDL_CreateRenderer(window, -1, 0)) == NULL)
-        return;
+        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();
@@ -24,9 +32,48 @@ Graphics::~Graphics()
 
 void Graphics::update()
 {
+    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()
@@ -48,3 +95,9 @@ void Graphics::handleEvent()
     }
 
 }
+
+void Graphics::error()
+{
+    std::cout << SDL_GetError() << std::endl;
+    exit(1);
+}