Basic Movement works. No Collisions yet!

breakout.c

@@ -18,6 +18,10 @@ int BREAKOUT_BoxWidth, BREAKOUT_BoxHeight;
 SDL_Texture * BALL_Texture;
 SDL_Rect * BALL_SourceRects;
 Ball ball;
+Paddle paddle;
+SDL_Texture * PADDLE_Texture;
+SDL_Rect * PADDLE_SourceRects;
+Uint8 * PADDLE_MoveLeftKeys, * PADDLE_MoveRightKeys;
 
 void BREAKOUT_INITIALIZE(SDL_Renderer * renderer, int width, int height){
     printf("Initializing Game...\n");
@@ -25,15 +29,18 @@ void BREAKOUT_INITIALIZE(SDL_Renderer * renderer, int width, int height){
     BREAKOUT_BoxWidth = width;
     BREAKOUT_BoxHeight = height;
     BALL_Initialize(renderer);
+    PADDLE_Initialize(renderer);
     printf("Game initialized!\n");
 }
 
 void BREAKOUT_Update(Uint8 * keystate){
     BALL_Update(&ball);
+    PADDLE_Update(&paddle, keystate);
 }
 
 void BREAKOUT_Draw(SDL_Renderer * renderer){
     BALL_Draw(renderer, &ball);
+    PADDLE_Draw(renderer, &paddle);
 }
 
 void BREAKOUT_DEINITIALIZE(){
@@ -47,8 +54,10 @@ void BALL_Initialize(SDL_Renderer * renderer){
     BALL_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png");
     if (!BALL_Texture) printf("Ball texture failed to load!\n");
     BALL_SourceRects = (SDL_Rect *)malloc(1 * sizeof(SDL_Rect));
+    if (!BALL_SourceRects) printf("FATAL! Memory allocation failed!\n");
     BALL_SourceRects[0] = (SDL_Rect) {.x = 0, .y = 0, .w = 512, .h = 512 };
     ball = BALL_CreateDefault();
+    paddle = PADDLE_CreateDefault();
     printf("Ball initialized!\n");
 }
 
@@ -58,8 +67,8 @@ Ball BALL_CreateDefault(){
     return (Ball) {
                .Location = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 },
                .Momentum = (Vector) {.x = 0.0f, .y = 6.0f },
-               .TargetRect = (SDL_Rect) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2, .w = 50, .h = 50 },
-               .Size = 50.0f,
+               .TargetRect = (SDL_Rect) {.x = 0, .y = 0, .w = 50, .h = 50 },
+               .Size = 25.0f,
                .Rotation = rotation,
                .RotationValue = 2,
                .TextureIndex = 0
@@ -67,17 +76,21 @@ Ball BALL_CreateDefault(){
 }
 
 void BALL_Draw(SDL_Renderer * renderer, Ball * obj){
-    printf("Ball drawn at (%d|%d)!\n", (obj->TargetRect).x, (obj->TargetRect).x);
+    // printf("Ball drawn at (%d|%d)!\n", (obj->TargetRect).x, (obj->TargetRect).x);
     SDL_RenderCopyEx(renderer, BALL_Texture, BALL_SourceRects + (obj->TextureIndex), &(obj->TargetRect), obj->Rotation, NULL, SDL_FLIP_NONE);
 }
 
 void BALL_Update(Ball * obj){
-    obj->Location = vectorAdd(obj->Location, obj->Momentum);
+    (obj->Location) = vectorAdd((obj->Location), ( obj->Momentum));
     (obj->TargetRect).x = (int)round((obj->Location).x);
     (obj->TargetRect).y = (int)round((obj->Location).y);
-    obj->Rotation += obj->RotationValue;
-    if ((obj->Location).y > BREAKOUT_BoxHeight)
-        obj->Location = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 };
+    (obj->Rotation) += (obj->RotationValue);
+    if ((obj->Location).y > BREAKOUT_BoxHeight + (obj->Size))
+        (obj->Location) = (Vector) {.x = BREAKOUT_BoxWidth / 2, .y = BREAKOUT_BoxHeight / 2 }; // Dead
+    if ((obj->Location).y < (obj->Size))
+        (obj->Momentum).y = -(obj->Momentum).y;
+    if ((obj->Location).x < (obj->Size) || (obj->Location).x > BREAKOUT_BoxWidth - (obj->Size))
+        (obj->Momentum).x = -(obj->Momentum).x;
 }
 void BALL_DestroyObject(Ball * obj){
 }
@@ -86,3 +99,71 @@ void BALL_Deinitialize(){
 
     printf("Ball de-initialized!\n");
 }
+
+
+void PADDLE_Initialize(SDL_Renderer * renderer){
+    printf("Initializing Paddle...\n");
+    PADDLE_Texture = IMG_LoadTexture(renderer, "assets/images/paddle.png");
+    if (!PADDLE_Texture) printf("Paddle texture failed to load!\n");
+    PADDLE_SourceRects = (SDL_Rect *)malloc(1 * sizeof(SDL_Rect));
+    if (!PADDLE_SourceRects) printf("FATAL! Memory allocation failed!\n");
+    PADDLE_SourceRects[0] = (SDL_Rect) {.x = 0, .y = 0, .w = 512, .h = 512 };
+    PADDLE_MoveLeftKeys = (Uint8 *)malloc(2 * sizeof(Uint8));
+    if (!PADDLE_MoveLeftKeys) printf("FATAL! Memory allocation failed!\n");
+    PADDLE_MoveRightKeys = (Uint8 *)malloc(2 * sizeof(Uint8));
+    if (!PADDLE_MoveRightKeys) printf("FATAL! Memory allocation failed!\n");
+    PADDLE_MoveLeftKeys[0] = 2; // Erster wert gibt größe des arrays an
+    PADDLE_MoveLeftKeys[1] = SDL_SCANCODE_LEFT;
+    PADDLE_MoveLeftKeys[2] = SDL_SCANCODE_A;
+    PADDLE_MoveRightKeys[0] = 2;
+    PADDLE_MoveRightKeys[1] = SDL_SCANCODE_RIGHT;
+    PADDLE_MoveRightKeys[2] = SDL_SCANCODE_D;
+    ball = BALL_CreateDefault();
+    printf("Paddle initialized!\n");
+}
+
+Paddle PADDLE_CreateDefault(){
+    int defaultpaddlewidth = 300;
+
+    return (Paddle) {
+               .TargetRect = (SDL_Rect) {.x = (BREAKOUT_BoxWidth -  defaultpaddlewidth) / 2, .y = BREAKOUT_BoxHeight - 100, .w = defaultpaddlewidth, .h = 30 },
+               .TextureIndex = 0
+    }; // Objekt für die Eigenschaften des Balls
+}
+
+void PADDLE_Draw(SDL_Renderer * renderer, Paddle * obj){
+    // printf("Paddle drawn at (%d|%d)!\n", (obj->TargetRect).x, (obj->TargetRect).x);
+    SDL_RenderCopy(renderer, PADDLE_Texture, PADDLE_SourceRects + (obj->TextureIndex), &(obj->TargetRect));
+}
+
+bool KeyPressed(Uint8 * keystate, Uint8 * keyArray){
+    for (int i = 0; i < (*keyArray); i++) {
+        if (keystate[keyArray[(i + 1)]]) return true;
+    }
+    return false;
+}
+
+void constrain(int * variable, int min, int max){
+    if (*variable > max)
+        *variable = max;
+    else if (*variable < min)
+        *variable = min;
+}
+
+void PADDLE_Update(Paddle * obj, Uint8 * keystate){
+    bool leftKeyPressed = KeyPressed(keystate, PADDLE_MoveLeftKeys), rightKeyPressed = KeyPressed(keystate, PADDLE_MoveRightKeys);
+
+    if (leftKeyPressed && (!rightKeyPressed)) {
+        ((obj->TargetRect).x) -= 5;
+    } else if ((!leftKeyPressed) && rightKeyPressed) {
+        ((obj->TargetRect).x) += 5;
+    }
+    constrain(&((obj->TargetRect).x), 0, (BREAKOUT_BoxWidth - ((obj->TargetRect).w)));
+}
+void PADDLE_DestroyObject(Paddle * obj){
+}
+void PADDLE_Deinitialize(){
+    printf("De-initializing Ball...\n");
+
+    printf("Ball de-initialized!\n");
+}

breakout.h

@@ -1,5 +1,11 @@
 #ifndef __breakout_h__
 #define __breakout_h__
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <math.h>
+#include <time.h>
+#include <SDL2/SDL.h>
 
 #include "vector.h"
 
@@ -12,9 +18,8 @@ typedef struct ballStruct {
 } Ball; // Objekt für die Eigenschaften des Balls
 
 typedef struct paddleStruct {
-    double XLocation; // Notice: Locked Y-Coordinate
     SDL_Rect TargetRect;
-    int XSize, TextureIndex;
+    int TextureIndex;
 } Paddle; // Objekt für die Eigenschaften des Paddles
 
 typedef struct blockStruct {
@@ -35,6 +40,15 @@ void BALL_Draw(SDL_Renderer * renderer, Ball * obj);
 void BALL_Update(Ball * obj);
 void BALL_DestroyObject(Ball * obj);
 void BALL_Deinitialize();
+void PADDLE_Initialize(SDL_Renderer * renderer);
+Paddle PADDLE_CreateDefault();
+void PADDLE_Draw(SDL_Renderer * renderer, Paddle * obj);
+bool KeyPressed(Uint8 * keystate,  Uint8 * keyArray);
+void constrain(int * variable, int min, int max);
+void PADDLE_Update(Paddle * obj, Uint8 * keystate);
+void PADDLE_DestroyObject(Paddle * obj);
+void PADDLE_Deinitialize();
+
 // End Prototypes
 
 #endif // __breakout_h__