start menu

2023-01-21 12:13:59 +01:00
parent 8a93d29021
commit 1fdcc41801
6 changed files with 78 additions and 20 deletions
@@ -0,0 +1,43 @@
+#include "menu.h"
+#include <SDL2/SDL_image.h>
+
+static RenderId_t menuObjects[10];
+static unsigned menuObjectsSize = 0;
+
+int menu_render(int windowWidth, int windowHeight){
+    SDL_Surface* buttonImageSurface = IMG_Load("./assets/img/start.png");
+    if(buttonImageSurface == NULL){
+        printf("cannot load");
+        return -1;
+    }
+    float buttonScale = 0.3f;
+    // float buttonX = ((float)windowWidth - (float)buttonImageSurface->w) / (2.f * (float)buttonImageSurface->w);
+    // float buttonY = ((float)windowHeight - (float)buttonImageSurface->h) / (2.f * (float)buttonImageSurface->h);
+    float buttonX = 0.5f - buttonScale * (float)buttonImageSurface->w / (2.f * (float)windowWidth);
+    float buttonY = 0.5f - buttonScale * (float)buttonImageSurface->h / (2.f * (float)windowHeight);
+    printf("buttonImageSurface->w: %d\n", buttonImageSurface->w);
+    printf("buttonImageSurface->h: %d\n", buttonImageSurface->h);
+    printf("windowWidth: %d\n", windowWidth);
+    printf("buttonX: %f\n", buttonX);
+
+    RenderObject_t buttonImage = {
+		buttonX,
+		buttonY,
+		0,
+		buttonScale,
+		buttonScale,
+		0,
+		buttonImageSurface
+	};
+    menuObjects[menuObjectsSize] = renderer_renderObject(buttonImage);
+    ++menuObjectsSize;
+    return 0;
+}
+
+void menu_remove(void){
+    for(unsigned i = 0; i < menuObjectsSize; ++i){
+        renderer_removeObject(menuObjects[i]);
+    }
+    menuObjectsSize = 0;
+}
+