Ingame pause screen added (Escape-Button)

breakout.c

@@ -20,9 +20,13 @@ extern int width, height;
 #define PADDLE_TexturePath            "assets/images/paddle.png"
 #define BLOCK_TexturePath             "assets/images/spritesheet.png"
 #define BRAEKOUT_CountdownTexturePath "assets/images/text.png"
+#define BRAEKOUT_PausedTexturePath    "assets/images/paused.png"
 #define BALL_MinSpeed                 8.0f
-#define BALL_MaxSpeed                 50.0f
+#define BALL_MaxSpeed                 25.0f
-#define BALL_AccelerationTime         18000
+#define BALL_AccelerationTime         10000
+#define PADDLE_MaxSize                300
+#define PADDLE_MinSize                50
+#define PADDLE_AccelerationTime       18000
 #define BREAKOUT_LiveHUDSize          35
 #define BREAKOUT_LiveHUDMargin        8
 
@@ -39,6 +43,7 @@ SDL_Texture * BALL_Texture;
 SDL_Texture * GAME_CountdownTexture;
 SDL_Texture * PADDLE_Texture;
 SDL_Texture * BLOCK_Texture;
+SDL_Texture * GAME_PausedTexture;
 SDL_Rect * BALL_SourceRects;
 SDL_Rect * GAME_CountdownSourceRects;
 SDL_Rect * PADDLE_SourceRects;
@@ -57,7 +62,9 @@ void BREAKOUT_INITIALIZE(SDL_Renderer * renderer){
         PADDLE_Initialize(renderer);
         BLOCK_Initialize(renderer);
         GAME_CountdownTexture = IMG_LoadTexture(renderer, BRAEKOUT_CountdownTexturePath);
-        if (!GAME_CountdownTexture) printf("Coutndown texture failed to load!\n");
+        if (!GAME_CountdownTexture) printf("Countdown texture failed to load!\n");
+        GAME_PausedTexture = IMG_LoadTexture(renderer, BRAEKOUT_PausedTexturePath);
+        if (!GAME_PausedTexture) printf("Paused texture failed to load!\n");
         GAME_CountdownTextureCount = 4;
         GAME_CountdownSourceRects = (SDL_Rect *)malloc(GAME_CountdownTextureCount * sizeof(SDL_Rect));
         if (!GAME_CountdownSourceRects) printf("FATAL! Memory allocation failed!\n");
@@ -70,6 +77,18 @@ void BREAKOUT_INITIALIZE(SDL_Renderer * renderer){
     } else printf("Game is already initialized!\n");
 } /* BREAKOUT_INITIALIZE */
 
+void BREAKOUT_TogglePause(Scenery * scenery){
+    (scenery->IsPaused) = !(scenery->IsPaused);
+    printf("Game was %s!\n", ( (scenery->IsPaused) ? "paused" : "unpaused"));
+}
+
+void BREAKOUT_KeyPressed(Scenery * scenery, SDL_KeyboardEvent * b){
+    if ((b->keysym).scancode == SDL_SCANCODE_ESCAPE) {
+        printf("Escape was pressed ingame! Toggle Pause...\n");
+        BREAKOUT_TogglePause(scenery);
+    }
+}
+
 Scenery BREAKOUT_CreateDefault(){
     Scenery scenery;
 
@@ -101,21 +120,31 @@ void BREAKOUT_IncreaseScoreBy(Scenery * scenery, int scoreInc){
     (scenery->Score) += scoreInc;
 }
 
-// int BREAKOUT_RefreshScore(Scenery * scenery){
+void TEXTURE_RenderCenteredSpriteSheet(SDL_Renderer * renderer, SDL_Texture * texture, SDL_Rect * srcRect, float Scale){
-//     (scenery->Score) = (int)round(((scenery->ball).Speed) * (double)(scenery->DestroyedBlocks));
+    SDL_Rect target;
-//     printf("Score: %d\n", (scenery->Score));
+
-//     return (scenery->Score);
+    target.w = (int)roundf(((float)(srcRect->w)) * Scale);
-// }
+    target.h = (int)roundf(((float)(srcRect->h)) * Scale);
+    target.x = ((width - (target.w)) / 2);
+    target.y = ((height - (target.h)) / 2);
+    SDL_RenderCopy(renderer, texture, srcRect, &target);
+}
+
+void TEXTURE_RenderCentered(SDL_Renderer * renderer, SDL_Texture * texture, float Scale){
+    int w, h;
+    SDL_Rect target;
+
+    SDL_QueryTexture(texture, NULL, NULL, &w, &h);
+    target.w = (int)roundf(((float)w) * Scale);
+    target.h = (int)roundf(((float)h) * Scale);
+    target.x = ((width - (target.w)) / 2);
+    target.y = ((height - (target.h)) / 2);
+    SDL_RenderCopy(renderer, texture, NULL, &target);
+}
 
 void BREAKOUT_Update(Scenery * scenery, const Uint8 * keystate){
-    if (scenery->IsPaused) {
+    if (scenery->IsPaused) return;
-        // Render "Paused"
+    if ((scenery->StartCountdown)-- > 0) return;
-        return;
-    }
-    if ((scenery->StartCountdown)-- > 0) {
-        // SDL_WarpMouse(960, 540); Doesn't exist
-        return;
-    }
     (scenery->Frames)++;
     if (scenery->IsGameOver) {
         BALL_ResetPosition(&(scenery->ball));
@@ -129,7 +158,7 @@ void BREAKOUT_Update(Scenery * scenery, const Uint8 * keystate){
             printf("Oh oh, only %d lives left!\n", scenery->Lives);
         return;
     }
-    PADDLE_Update(&(scenery->paddle), keystate); // Update paddle before ball because paddle is not static!
+    PADDLE_Update(&(scenery->paddle), scenery, keystate); // Update paddle before ball because paddle is not static!
     BALL_Update(&(scenery->ball), scenery);
     for (int i = 0; i < (scenery->BlockCount); i++) {
         BLOCK_Update((scenery->blocks) + i);
@@ -142,15 +171,13 @@ void BREAKOUT_Draw(Scenery * scenery, SDL_Renderer * renderer){
     }
     BALL_Draw(renderer, &(scenery->ball));
     PADDLE_Draw(renderer, &(scenery->paddle));
-    if ((scenery->StartCountdown) > 0) { // ! Render Z-Layer !
-        SDL_Rect * rect =  GAME_CountdownSourceRects + (((scenery->StartCountdown) - 1) / 60);
-        SDL_Rect target = *rect;
-        target.x = ((width - (rect->w)) / 2);
-        target.y = ((height - (rect->h)) / 2);
-        SDL_RenderCopy(renderer, GAME_CountdownTexture, rect, &target);
-    }
     SCORE_DrawHUD(renderer, scenery);
     BREAKOUT_DrawLivesHUD(renderer, scenery);
+    if (scenery->IsPaused) {
+        TEXTURE_RenderCentered(renderer, GAME_PausedTexture, 0.5f);
+    } else if ((scenery->StartCountdown) > 0) {   // ! Render Z-Layer !
+        TEXTURE_RenderCenteredSpriteSheet(renderer, GAME_CountdownTexture, (GAME_CountdownSourceRects + (((scenery->StartCountdown) - 1) / 60)), 1.0f);
+    }
 }
 
 void BREAKOUT_DrawLivesHUD(SDL_Renderer * renderer, Scenery * scenery){
@@ -171,6 +198,7 @@ void BREAKOUT_DEINITIALIZE(){
     if (BREAKOUT_IsInit) {
         printf("De-initializing Game...\n");
         SDL_DestroyTexture(GAME_CountdownTexture);
+        SDL_DestroyTexture(GAME_PausedTexture);
         free(PADDLE_MoveLeftKeys);
         free(PADDLE_MoveRightKeys);
         free(BALL_SourceRects);
@@ -440,10 +468,8 @@ void PADDLE_Initialize(SDL_Renderer * renderer){
 } /* PADDLE_Initialize */
 
 Paddle PADDLE_CreateDefault(){
-    int defaultpaddlewidth = 300;
-
     return (Paddle) {
-               .TargetRect = (SDL_Rect) {.x = (width -  defaultpaddlewidth) / 2, .y = height - 100, .w = defaultpaddlewidth, .h = 30 },
+               .TargetRect = (SDL_Rect) {.x = (width -  PADDLE_MaxSize) / 2, .y = height - 100, .w = PADDLE_MaxSize, .h = 30 },
                .TextureIndex = 0,
                .Speed = 10,
                .SteeringAngle = 40.0f,
@@ -499,7 +525,15 @@ void PADDLE_MoveSmooth(Paddle * obj){
     (obj->TargetRect).x = paddleXMid - (int)roundf((float)(paddleXMid - mouseX) * PADDLE_SmoothFactor) - halfPaddle;
 }
 
-void PADDLE_Update(Paddle * obj, const Uint8 * keystate){
+void PADDLE_AdaptSpeedGradient(Paddle * obj, int FrameCount){
+    if (FrameCount > PADDLE_AccelerationTime)
+        return;
+    (obj->TargetRect).w = PADDLE_MaxSize - (((double)FrameCount / (double)PADDLE_AccelerationTime) * (PADDLE_MaxSize - PADDLE_MinSize));
+
+}
+
+void PADDLE_Update(Paddle * obj, Scenery * scenery, const Uint8 * keystate){
+    PADDLE_AdaptSpeedGradient(obj, (scenery->Frames));
     bool leftKeyPressed, rightKeyPressed;
 
     switch (obj->Mode) {

breakout.h

@@ -46,8 +46,12 @@ typedef struct sceneryStruct {
 
 // Prototypes
 void BREAKOUT_INITIALIZE(SDL_Renderer * renderer);
+void BREAKOUT_TogglePause(Scenery * scenery);
+void BREAKOUT_KeyPressed(Scenery * scenery, SDL_KeyboardEvent * b);
 Scenery BREAKOUT_CreateDefault();
-int BREAKOUT_RefreshScore(Scenery * scenery);
+void BREAKOUT_IncreaseScoreBy(Scenery * scenery, int scoreInc);
+void TEXTURE_RenderCenteredSpriteSheet(SDL_Renderer * renderer, SDL_Texture * texture, SDL_Rect * srcRect, float Scale);
+void TEXTURE_RenderCentered(SDL_Renderer * renderer, SDL_Texture * texture, float Scale);
 void BREAKOUT_Update(Scenery * scenery, const Uint8 * keystate);
 void BREAKOUT_Draw(Scenery * scenery, SDL_Renderer * renderer);
 void BREAKOUT_DrawLivesHUD(SDL_Renderer * renderer, Scenery * scenery);
@@ -79,7 +83,8 @@ bool KeyPressed(const Uint8 * keystate, Uint8 * keyArray);
 void INT_Constrain(int * variable, int min, int max);
 void DOUBLE_Constrain(double * variable, double min, double max);
 void PADDLE_MoveSmooth(Paddle * obj);
-void PADDLE_Update(Paddle * obj, const Uint8 * keystate);
+void PADDLE_AdaptSpeedGradient(Paddle * obj, int FrameCount);
+void PADDLE_Update(Paddle * obj, Scenery * scenery, const Uint8 * keystate);
 void PADDLE_DestroyObject(Paddle * obj);
 void PADDLE_Deinitialize();
 void BLOCK_Initialize(SDL_Renderer * renderer);

main.c

@@ -137,6 +137,14 @@ void keyPress(SDL_KeyboardEvent b){ // Debug prop
     printf("Key pressed: ID is %d\n", b.keysym.scancode);
     if (b.keysym.scancode == SDL_SCANCODE_F11 || b.keysym.scancode == SDL_SCANCODE_5) {
         toggleFullscreen();
+    } else {
+        switch (gameState) {
+            case Game:
+                BREAKOUT_KeyPressed(&scenery, &b);
+                break;
+            default:
+                break;
+        }
     }
 }