main menu

src/menu.c

@@ -2,30 +2,71 @@
 #include <SDL2/SDL_image.h>
 #include "renderer.h"
 #include "scaller.h"
+#include "text.h"
+
+#define BLINK_FREQUENCY 0.00005
 
 static RenderId_t menuObjects[10];
 static unsigned menuObjectsSize = 0;
 
-int menu_render(void){
-    SDL_Surface* buttonImageSurface = IMG_Load("./assets/img/start.png");
-    if(buttonImageSurface == NULL){
-        printf("cannot load");
-        return -1;
-    }
-    RenderObject_t buttonImage;
-    float buttonScale = 0.3f;
+static float blinkDelta = 0;
+static bool increaseTextBrightness = false;
+static Uint8 textOpacity = 255;
 
+
+
+int menu_staticRender(void){
     MonitorSize_t size = renderer_getMonitorSize();
     float aspectRatio = (float)size.width / size.height;
 
-    buttonImage.x = 0.5f;
-    buttonImage.y = 0.5f;
 
-    scaller(buttonImageSurface, buttonScale, &buttonImage.width, &buttonImage.height);
-    placer(buttonImageSurface, buttonScale, &buttonImage.x, &buttonImage.y);
+    SDL_Surface* backgroundImageSurface = IMG_Load("./assets/img/menu_bg.png");
+    if(backgroundImageSurface == NULL){
+        printf("cannot load background");
+        return -1;
+    }
 
-    buttonImage.surface = buttonImageSurface;
-    menuObjects[menuObjectsSize] = renderer_renderObject(buttonImage);
+    RenderObject_t backgroundImage;
+    backgroundImage.x = 0;
+    backgroundImage.y = 0;
+    backgroundImage.z = 0;
+    backgroundImage.surface = backgroundImageSurface;
+    backgroundImage.width = 1;
+    backgroundImage.height = 1;
+    menuObjects[menuObjectsSize] = renderer_renderObject(backgroundImage);
+    ++menuObjectsSize;
+    return 0;
+}
+
+int menu_render(float delta){
+
+    for(unsigned i = 1; i < menuObjectsSize; ++i){
+        renderer_removeObject(menuObjects[i]);
+    }
+    menuObjectsSize = 1;
+
+    blinkDelta += delta;
+
+    if(increaseTextBrightness && blinkDelta >= BLINK_FREQUENCY){
+        textOpacity += 1;
+        if(textOpacity == 255) increaseTextBrightness = false;
+        blinkDelta = 0;
+    }
+    else if(!increaseTextBrightness && blinkDelta >= BLINK_FREQUENCY){
+        textOpacity -= 1;
+        if(textOpacity == 1) increaseTextBrightness = true;
+        blinkDelta = 0;
+    }
+    RenderObject_t startTextShadow;
+    SDL_Color black = {0, 0, 0, textOpacity};
+    text_renderText(&startTextShadow, 0.495f, 0.855f, 9, 1.f, black, "./assets/fonts/Quinquefive.ttf", 28, "Press space to start");
+    menuObjects[menuObjectsSize] = renderer_renderObject(startTextShadow);
+    ++menuObjectsSize;
+
+    RenderObject_t startText;
+    SDL_Color orange = {255,165,0, textOpacity};
+    text_renderText(&startText, 0.5f, 0.85f, 10, 1.f, orange, "./assets/fonts/Quinquefive.ttf", 28, "Press space to start");
+    menuObjects[menuObjectsSize] = renderer_renderObject(startText);
     ++menuObjectsSize;
     return 0;
 }