Continue SDL frontend

frontend_sdl.c

@@ -1 +1,100 @@
+#include <stdio.h>
+#include <SDL2/SDL.h>
+
 #include "game.h"
+#include "debug.h"
+
+SDL_Window *window;
+SDL_Renderer *renderer;
+SDL_Texture *texture;
+SDL_Surface *screenSurface;
+uint16_t screen[LCR_SETTING_RESOLUTION_X * LCR_SETTING_RESOLUTION_Y];
+
+const uint8_t *keyboardState;
+
+uint8_t LCR_keyPressed(uint8_t key)
+{
+  switch (key)
+  {
+    case LCR_KEY_UP: return
+      keyboardState[SDL_SCANCODE_W] | keyboardState[SDL_SCANCODE_UP]; break;
+
+    case LCR_KEY_RIGHT: return
+      keyboardState[SDL_SCANCODE_D] | keyboardState[SDL_SCANCODE_RIGHT]; break;
+
+    case LCR_KEY_DOWN: return
+      keyboardState[SDL_SCANCODE_S] | keyboardState[SDL_SCANCODE_DOWN]; break;
+
+    case LCR_KEY_LEFT: return
+      keyboardState[SDL_SCANCODE_A] | keyboardState[SDL_SCANCODE_LEFT]; break;
+
+    case LCR_KEY_A: return
+      keyboardState[SDL_SCANCODE_K] | keyboardState[SDL_SCANCODE_RETURN]; break;
+
+    case LCR_KEY_B: return
+      keyboardState[SDL_SCANCODE_L] | keyboardState[SDL_SCANCODE_ESCAPE]; break;
+
+    default: break;
+  }
+
+  return 0;
+}
+
+void LCR_sleep(uint16_t timeMs)
+{
+}
+
+void LCR_drawPixel(unsigned int x, unsigned int y, uint_fast16_t color)
+{
+  screen[y * LCR_SETTING_RESOLUTION_X + x] = color;
+}
+
+int main(int argc, char *argv[])
+{
+  uint8_t running = 1;
+  LCR_gameInit();
+
+  SDL_Init(0);
+
+  window =
+    SDL_CreateWindow("Licar", SDL_WINDOWPOS_UNDEFINED,
+    SDL_WINDOWPOS_UNDEFINED, LCR_SETTING_RESOLUTION_X, LCR_SETTING_RESOLUTION_Y,
+    SDL_WINDOW_SHOWN); 
+
+  renderer = SDL_CreateRenderer(window,-1,0);
+
+  texture =
+    SDL_CreateTexture(renderer,SDL_PIXELFORMAT_RGB565,SDL_TEXTUREACCESS_STATIC,
+    LCR_SETTING_RESOLUTION_X,LCR_SETTING_RESOLUTION_Y);
+
+  screenSurface = SDL_GetWindowSurface(window);
+
+  SDL_ShowCursor(0);
+
+  SDL_PumpEvents();
+  keyboardState = SDL_GetKeyboardState(NULL);
+
+  while (running)
+  {
+    SDL_PumpEvents();
+    keyboardState = SDL_GetKeyboardState(NULL);
+    running = !keyboardState[SDL_SCANCODE_Q];
+
+    running &= LCR_gameStep(SDL_GetTicks());
+
+    SDL_UpdateTexture(texture,NULL,screen,
+      LCR_SETTING_RESOLUTION_X * sizeof(uint16_t));
+
+    SDL_RenderClear(renderer);
+    SDL_RenderCopy(renderer,texture,NULL,NULL);
+    SDL_RenderPresent(renderer);
+  }
+
+  SDL_DestroyTexture(texture);
+  SDL_DestroyRenderer(renderer); 
+  SDL_DestroyWindow(window); 
+
+  LCR_gameEnd();
+
+  return 0;
+}