Merged Scoring_and_Text into master

breakout/breakout.c

@@ -1,6 +1,7 @@
 #ifdef _WIN32
 #include <Windows.h>
 #include <SDL.h>
+#include <SDL_ttf.h>
 #else
 #include <SDL2/SDL.h>
 #endif
@@ -68,6 +69,7 @@ char vertexWithinQuad(coord point, coord *quad);
 
 void updatePaddle(Uint32 tickrate, paddle *thePaddle, char moveX, int winWidth, int winHeight);
 void updateBall(Uint32 tickrate, ball *theBall, paddle *thePaddle, int winWidth, int winHeight, brick *bricks, int brickCount);
+void updateScore(int *playerScore, brick *bricks, int brickCount);
 
 void drawPaddle(paddle *thePaddle, int winWidth, int winHeight, colour *c);
 void drawBall(ball *theBall, colour *c);
@@ -84,6 +86,8 @@ int main(void) {
    *  1: SDL init fail
    *  2: Error creating Window
    *  3: Error creating context
+   *  4: SDL_TTF init fail
+   *  5: Error loading font(s)
    *
    */
   
@@ -96,6 +100,10 @@ int main(void) {
     return 1;
   }
 
+  if (TTF_Init() < 0) {
+    perror("[FAILED] Initialising SDL_TTF: ");
+  }
+
   int go; //Var for loop control
   int step = 0; //Var for step counter
   
@@ -108,11 +116,12 @@ int main(void) {
   // Window vars
   int winPosX = 100; int winPosY = 100;
   int winWidth = 480; int winHeight = 720;
+  char windowTitle[128] = "Breakout";
 
   Uint32 timer;
 
   SDL_Window *window1 = SDL_CreateWindow(
-    "Main Window",
+    windowTitle,
     winPosX, winPosY,
     winWidth, winHeight,
     SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL
@@ -152,6 +161,9 @@ int main(void) {
   glEnable(GL_NORMALIZE); // Vectors normalized after transforming to keep units consistent for lighting
   glShadeModel(GL_SMOOTH); // GL_FLAT for flat shading instead
   glEnable(GL_DEPTH_TEST); // Enables depth comparisons
+  glEnable(GL_TEXTURE_2D); // Enables use of textures
+
+  glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 
   glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 
@@ -206,11 +218,31 @@ int main(void) {
     .x = (winWidth/2)-(thePaddle.width/2)
   };
 
+  int playerScore = 0;
+
   /*
-  * ----------------
-  *  Let's go!
-  * ----------------
-  */
+   * ----------------
+   *  Font stuff
+   * ----------------
+   */
+
+  TTF_Font* font_main = TTF_OpenFont("font_main.ttf", 24);
+  if (font_main == NULL) {
+    printf("[FAILED] Unable to load font\n");
+    return 5;
+  }
+  SDL_Color textColour = {
+    .a = 255,
+    .r = 255,
+    .g = 255,
+    .b = 255
+  };
+
+  /*
+   * ----------------
+   *  Let's go!
+   * ----------------
+   */
   
   
   go=1;
@@ -272,6 +304,7 @@ int main(void) {
 
     updatePaddle(tickrate, &thePaddle, moveX, winWidth, winHeight);
     updateBall(tickrate, &theBall, &thePaddle, winWidth, winHeight, &bricks, brickCount);
+    updateScore(&playerScore, &bricks, brickCount);
 
     if (step % (subSteps+1) == 0) {
       //step = 0;
@@ -283,6 +316,9 @@ int main(void) {
 
       SDL_GL_MakeCurrent(window1, context1);
 
+      sprintf(windowTitle, "Breakout: Score %d", playerScore);
+      SDL_SetWindowTitle(window1, windowTitle);
+
       glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
 
       glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
@@ -454,6 +490,28 @@ void updateBall(Uint32 tickrate, ball *theBall, paddle *thePaddle, int winWidth,
   theBall->y += theBall->vY * 0.1 * tickrate;
 }
 
+void updateScore(int *playerScore, brick *bricks, int brickCount) {
+  *playerScore = 0;
+  for (int i = 0; i < brickCount; i++) {
+    if (bricks[i].destroyed == 1) {
+      switch (bricks[i].brickType) {
+        case 1:
+          *playerScore += 1;
+          break;
+        case 2:
+          *playerScore += 3;
+          break;
+        case 3:
+          *playerScore += 5;
+          break;
+        case 4:
+          *playerScore += 7;
+          break;
+      }
+    }
+  }
+}
+
 void drawBg(int winWidth, int winHeight, colour *c1, colour *c2) {
   GLint matrixmode = 0;
   glGetIntegerv(GL_MATRIX_MODE, &matrixmode);