Draw bricks

Makefile

@@ -3,7 +3,7 @@ CC=clang++
 all: build run
 
 build:
-	$(CC) -lSDL2 src/scene.cpp src/breakout.cpp -o breakout
+	$(CC) -lSDL2 src/brick.cpp src/scene.cpp src/breakout.cpp -o breakout
 
 run:
 	./breakout

src/breakout.cpp

@@ -1,14 +1,15 @@
 #include <iostream>
 #include "SDL2/SDL.h"
-#include "breakout.h"
-#include "scene.h"
+#include "breakout.hpp"
+#include "scene.hpp"
 
 int main(int argc, char const *argv[]) {
     if (SDL_Init(SDL_INIT_VIDEO) != 0) {
-        std::cout << "SDL_Init Error: " << SDL_GetError() << std::endl;
+        std::cout << "SDL_Init Error: " << std::endl;
         return 1;
     }
 
+    DEBUG("[?] Creating window");
     SDL_Window *window = SDL_CreateWindow(
         "Breakout",
         SCREEN_X, SCREEN_Y,
@@ -20,7 +21,9 @@ int main(int argc, char const *argv[]) {
         SDL_Quit();
         return 1;
     }
+    DEBUG("[!] Window created");
 
+    DEBUG("[?] Creating renderer");
     SDL_Renderer *renderer = SDL_CreateRenderer(
         window, // Window
         -1,     // Video driver. -1 means "any compatible"
@@ -32,15 +35,14 @@ int main(int argc, char const *argv[]) {
         SDL_Quit();
         return 1;
     }
+    DEBUG("[!] Renderer created");
 
-    Scene scene(window, renderer);
+    Scene scene(renderer);
 
     SDL_Event e;
     bool quit = false;
     while (!quit) {
-        bool has_event = false;
         while (SDL_PollEvent(&e)) {
-            has_event = true;
             if (e.type == SDL_QUIT) {
                 quit = true;
             }
@@ -62,11 +64,8 @@ int main(int argc, char const *argv[]) {
             }
         }
 
-        if (has_event) {
         scene.render();
-        } else {
-            SDL_Delay(1);
-        }
+        SDL_Delay(10);
     }
 
     SDL_DestroyWindow(window);

src/breakout.h

@@ -1,6 +0,0 @@
-#define SCREEN_X 300
-#define SCREEN_Y 100
-#define SCREEN_WIDTH 400
-#define SCREEN_HEIGHT 600
-
-#define KEY_MOVE_STEP 5

src/breakout.hpp

@@ -0,0 +1,17 @@
+#import <iostream>
+
+#define SCREEN_X 300
+#define SCREEN_Y 100
+#define SCREEN_WIDTH 407
+#define SCREEN_HEIGHT 600
+
+#define PAD_WIDTH 100
+#define PAD_HEIGHT 10
+#define KEY_MOVE_STEP 5
+
+#define BRICK_ROWS 7
+#define BRICK_COLS 8
+#define BRICK_WIDTH 50
+#define BRICK_HEIGHT 15
+
+#define DEBUG(str) (std::cerr << str << std::endl)

src/brick.cpp

@@ -0,0 +1,39 @@
+#import "brick.hpp"
+
+Brick::Brick(SDL_Renderer *r, int x, int y, Color c) {
+    renderer = r;
+    brick.x = x;
+    brick.y = y;
+    brick.w = BRICK_WIDTH;
+    brick.h = BRICK_HEIGHT;
+    color = c;
+}
+
+Brick::~Brick() {}
+
+void Brick::render() {
+    switch (color) {
+    case RED:
+        SDL_SetRenderDrawColor(renderer, 255, 51, 51, 255);
+        break;
+    case ORANGE:
+        SDL_SetRenderDrawColor(renderer, 255, 153, 51, 255);
+        break;
+    case YELLOW:
+        SDL_SetRenderDrawColor(renderer, 255, 255, 51, 255);
+        break;
+    case GREEN:
+        SDL_SetRenderDrawColor(renderer, 153, 255, 51, 255);
+        break;
+    case LIGHTBLUE:
+        SDL_SetRenderDrawColor(renderer, 51, 255, 255, 255);
+        break;
+    case BLUE:
+        SDL_SetRenderDrawColor(renderer, 51, 153, 255, 255);
+        break;
+    case PURPLE:
+        SDL_SetRenderDrawColor(renderer, 153, 51, 255, 255);
+        break;
+    }
+    SDL_RenderFillRect(renderer, &brick);
+}

src/brick.hpp

@@ -0,0 +1,25 @@
+#include "SDL2/SDL.h"
+#include "breakout.hpp"
+
+typedef enum Color {
+    RED,
+    ORANGE,
+    YELLOW,
+    GREEN,
+    LIGHTBLUE,
+    BLUE,
+    PURPLE
+} Color;
+
+class Brick {
+public:
+    Brick(SDL_Renderer *r, int x, int y, Color c);
+    ~Brick();
+
+    void render();
+private:
+    SDL_Renderer *renderer;
+
+    SDL_Rect brick;
+    Color color;
+};

src/scene.cpp

@@ -1,25 +1,33 @@
-#include <iostream>
-#include "SDL2/SDL.h"
-#include "breakout.h"
-#include "scene.h"
+#include "scene.hpp"
 
-Scene::Scene(SDL_Window *w, SDL_Renderer *r) {
-    window = w;
+Scene::Scene(SDL_Renderer *r) {
+    DEBUG("[?] Initializing scene");
     renderer = r;
 
     pad.x = (SCREEN_WIDTH - PAD_WIDTH) / 2;
     pad.y = (SCREEN_HEIGHT - PAD_HEIGHT);
     pad.w = PAD_WIDTH;
     pad.h = PAD_HEIGHT;
+
+    for (int i = 0; i < BRICK_ROWS; i++) {
+        for (int j = 0; j < BRICK_COLS; j++) {
+            bricks.push_back(Brick(renderer, j * BRICK_WIDTH + j, i * BRICK_HEIGHT + i, (Color)i));
+        }
+    }
+
+    DEBUG("[!] Scene initialized");
 }
 
 Scene::~Scene() {}
 
 void Scene::render() {
-    SDL_SetRenderDrawColor(renderer, BG_COLOR);
+    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
     SDL_RenderClear(renderer);
-    SDL_SetRenderDrawColor(renderer, PAD_COLOR);
+    SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
     SDL_RenderFillRect(renderer, &pad);
+    for (int i = 0; i < BRICK_ROWS * BRICK_COLS; i++) {
+        bricks[i].render();
+    }
     SDL_RenderPresent(renderer);
 }
 

src/scene.h

@@ -1,21 +0,0 @@
-#define PAD_WIDTH 200
-#define PAD_HEIGHT 20
-
-#define BG_COLOR 0, 0, 0, 255
-#define PAD_COLOR 0, 0, 255, 255
-
-class Scene {
-public:
-    Scene(SDL_Window *w, SDL_Renderer *r);
-    ~Scene();
-
-    void render();
-    void move_pad(int x);
-    void move_pad_relative(int delta);
-private:
-    SDL_Window *window;
-    SDL_Renderer *renderer;
-
-    SDL_Rect pad;
-    SDL_Rect blocks[10];
-};

src/scene.hpp

@@ -0,0 +1,19 @@
+#include <vector>
+#include "SDL2/SDL.h"
+#include "breakout.hpp"
+#import "brick.hpp"
+
+class Scene {
+public:
+    Scene(SDL_Renderer *r);
+    ~Scene();
+
+    void render();
+    void move_pad(int x);
+    void move_pad_relative(int delta);
+private:
+    SDL_Renderer *renderer;
+
+    SDL_Rect pad;
+    std::vector<Brick> bricks;
+};