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07_blocks_game_audio.c
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/*******************************************************************************************
*
* PROJECT: BLOCKS GAME
* LESSON 07: audio
* DESCRIPTION: Sounds and music loading and playing
*
* COMPILATION (Windows - MinGW):
* gcc -o $(NAME_PART).exe $(FILE_NAME) -lraylib -lopengl32 -lgdi32 -lwinmm -Wall -std=c99
*
* COMPILATION (Linux - GCC):
* gcc -o $(NAME_PART).exe $(FILE_NAME) -lraylib -lGL -lm -lpthread -ldl -lrt -lX11
*
* Example originally created with raylib 2.0, last time updated with raylib 4.2
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2017-2022 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
//----------------------------------------------------------------------------------
// Useful values definitions
//----------------------------------------------------------------------------------
#define PLAYER_LIFES 5
#define BRICKS_LINES 5
#define BRICKS_PER_LINE 20
#define BRICKS_POSITION_Y 50
//----------------------------------------------------------------------------------
// Types and Structures Definition
//----------------------------------------------------------------------------------
// LESSON 01: Window initialization and screens management
typedef enum GameScreen { LOGO, TITLE, GAMEPLAY, ENDING } GameScreen;
// Player structure
typedef struct Player {
Vector2 position;
Vector2 speed;
Vector2 size;
Rectangle bounds;
int lifes;
} Player;
// Ball structure
typedef struct Ball {
Vector2 position;
Vector2 speed;
float radius;
bool active;
} Ball;
// Bricks structure
typedef struct Brick {
Vector2 position;
Vector2 size;
Rectangle bounds;
int resistance;
bool active;
} Brick;
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
// LESSON 01: Window initialization and screens management
InitWindow(screenWidth, screenHeight, "PROJECT: BLOCKS GAME");
// NOTE: Load resources (textures, fonts, audio) after Window initialization
// LESSON 05: Textures loading and drawing
Texture2D texLogo = LoadTexture("resources/raylib_logo.png");
Texture2D texBall = LoadTexture("resources/ball.png");
Texture2D texPaddle = LoadTexture("resources/paddle.png");
Texture2D texBrick = LoadTexture("resources/brick.png");
// LESSON 06: Fonts loading and text drawing
Font font = LoadFont("resources/setback.png");
// LESSON 07: Sounds and music loading and playing
InitAudioDevice(); // Initialize audio system
Sound fxStart = LoadSound("resources/start.wav");
Sound fxBounce = LoadSound("resources/bounce.wav");
Sound fxExplode = LoadSound("resources/explosion.wav");
Music music = LoadMusicStream("resources/blockshock.mod");
PlayMusicStream(music); // Start music streaming
// Game required variables
GameScreen screen = LOGO; // Current game screen state
int framesCounter = 0; // General purpose frames counter
int gameResult = -1; // Game result: 0 - Loose, 1 - Win, -1 - Not defined
bool gamePaused = false; // Game paused state toggle
// NOTE: Check defined structs on top
Player player = { 0 };
Ball ball = { 0 };
Brick bricks[BRICKS_LINES][BRICKS_PER_LINE] = { 0 };
// Initialize player
player.position = (Vector2){ screenWidth/2, screenHeight*7/8 };
player.speed = (Vector2){ 8.0f, 0.0f };
player.size = (Vector2){ 100, 24 };
player.lifes = PLAYER_LIFES;
// Initialize ball
ball.radius = 10.0f;
ball.active = false;
ball.position = (Vector2){ player.position.x + player.size.x/2, player.position.y - ball.radius*2 };
ball.speed = (Vector2){ 4.0f, 4.0f };
// Initialize bricks
for (int j = 0; j < BRICKS_LINES; j++)
{
for (int i = 0; i < BRICKS_PER_LINE; i++)
{
bricks[j][i].size = (Vector2){ screenWidth/BRICKS_PER_LINE, 20 };
bricks[j][i].position = (Vector2){ i*bricks[j][i].size.x, j*bricks[j][i].size.y + BRICKS_POSITION_Y };
bricks[j][i].bounds = (Rectangle){ bricks[j][i].position.x, bricks[j][i].position.y, bricks[j][i].size.x, bricks[j][i].size.y };
bricks[j][i].active = true;
}
}
SetTargetFPS(60); // Set desired framerate (frames per second)
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
switch(screen)
{
case LOGO:
{
// Update LOGO screen data here!
framesCounter++;
if (framesCounter > 180)
{
screen = TITLE; // Change to TITLE screen after 3 seconds
framesCounter = 0;
}
} break;
case TITLE:
{
// Update TITLE screen data here!
framesCounter++;
// LESSON 03: Inputs management (keyboard, mouse)
if (IsKeyPressed(KEY_ENTER))
{
screen = GAMEPLAY;
PlaySound(fxStart);
}
} break;
case GAMEPLAY:
{
// Update GAMEPLAY screen data here!
// LESSON 03: Inputs management (keyboard, mouse)
if (IsKeyPressed('P')) gamePaused = !gamePaused; // Pause button logic
if (!gamePaused)
{
// LESSON 03: Inputs management (keyboard, mouse)
// Player movement logic
if (IsKeyDown(KEY_LEFT)) player.position.x -= player.speed.x;
if (IsKeyDown(KEY_RIGHT)) player.position.x += player.speed.x;
if ((player.position.x) <= 0) player.position.x = 0;
if ((player.position.x + player.size.x) >= screenWidth) player.position.x = screenWidth - player.size.x;
player.bounds = (Rectangle){ player.position.x, player.position.y, player.size.x, player.size.y };
if (ball.active)
{
// Ball movement logic
ball.position.x += ball.speed.x;
ball.position.y += ball.speed.y;
// Collision logic: ball vs screen-limits
if (((ball.position.x + ball.radius) >= screenWidth) || ((ball.position.x - ball.radius) <= 0)) ball.speed.x *= -1;
if ((ball.position.y - ball.radius) <= 0) ball.speed.y *= -1;
// LESSON 04: Collision detection and resolution
// NOTE: For collisions we consider elements bounds parameters,
// that's independent of elements drawing but they should match texture parameters
// Collision logic: ball vs player
if (CheckCollisionCircleRec(ball.position, ball.radius, player.bounds))
{
ball.speed.y *= -1;
ball.speed.x = (ball.position.x - (player.position.x + player.size.x/2))/player.size.x*5.0f;
PlaySound(fxBounce);
}
// Collision logic: ball vs bricks
for (int j = 0; j < BRICKS_LINES; j++)
{
for (int i = 0; i < BRICKS_PER_LINE; i++)
{
if (bricks[j][i].active && (CheckCollisionCircleRec(ball.position, ball.radius, bricks[j][i].bounds)))
{
bricks[j][i].active = false;
ball.speed.y *= -1;
PlaySound(fxExplode);
break;
}
}
}
// Game ending logic
if ((ball.position.y + ball.radius) >= screenHeight)
{
ball.position.x = player.position.x + player.size.x/2;
ball.position.y = player.position.y - ball.radius - 1.0f;
ball.speed = (Vector2){ 0, 0 };
ball.active = false;
player.lifes--;
}
if (player.lifes < 0)
{
screen = ENDING;
player.lifes = 5;
framesCounter = 0;
}
}
else
{
// Reset ball position
ball.position.x = player.position.x + player.size.x/2;
// LESSON 03: Inputs management (keyboard, mouse)
if (IsKeyPressed(KEY_SPACE))
{
// Activate ball logic
ball.active = true;
ball.speed = (Vector2){ 0, -5.0f };
}
}
}
} break;
case ENDING:
{
// Update END screen data here!
framesCounter++;
// LESSON 03: Inputs management (keyboard, mouse)
if (IsKeyPressed(KEY_ENTER))
{
// Replay / Exit game logic
screen = TITLE;
}
} break;
default: break;
}
// LESSON 07: Sounds and music loading and playing
// NOTE: Music buffers must be refilled if consumed
UpdateMusicStream(music);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
switch(screen)
{
case LOGO:
{
// Draw LOGO screen here!
// LESSON 05: Textures loading and drawing
DrawTexture(texLogo, screenWidth/2 - texLogo.width/2, screenHeight/2 - texLogo.height/2, WHITE);
} break;
case TITLE:
{
// Draw TITLE screen here!
// LESSON 06: Fonts loading and text drawing
DrawTextEx(font, "BLOCKS", (Vector2){ 100, 80 }, 160, 10, MAROON); // Draw Title
if ((framesCounter/30)%2 == 0) DrawText("PRESS [ENTER] to START", GetScreenWidth()/2 - MeasureText("PRESS [ENTER] to START", 20)/2, GetScreenHeight()/2 + 60, 20, DARKGRAY);
} break;
case GAMEPLAY:
{
// Draw GAMEPLAY screen here!
#define LESSON05_TEXTURES // Alternative: LESSON02_SHAPES
#if defined(LESSON02_SHAPES)
// LESSON 02: Draw basic shapes (circle, rectangle)
DrawRectangle(player.position.x, player.position.y, player.size.x, player.size.y, BLACK); // Draw player bar
DrawCircleV(ball.position, ball.radius, MAROON); // Draw ball
// Draw bricks
for (int j = 0; j < BRICKS_LINES; j++)
{
for (int i = 0; i < BRICKS_PER_LINE; i++)
{
if (bricks[j][i].active)
{
if ((i + j)%2 == 0) DrawRectangle(bricks[j][i].position.x, bricks[j][i].position.y, bricks[j][i].size.x, bricks[j][i].size.y, GRAY);
else DrawRectangle(bricks[j][i].position.x, bricks[j][i].position.y, bricks[j][i].size.x, bricks[j][i].size.y, DARKGRAY);
}
}
}
#elif defined(LESSON05_TEXTURES)
// LESSON 05: Textures loading and drawing
DrawTextureEx(texPaddle, player.position, 0.0f, 1.0f, WHITE); // Draw player
DrawTexture(texBall, ball.position.x - ball.radius/2, ball.position.y - ball.radius/2, MAROON); // Draw ball
// Draw bricks
for (int j = 0; j < BRICKS_LINES; j++)
{
for (int i = 0; i < BRICKS_PER_LINE; i++)
{
if (bricks[j][i].active)
{
// NOTE: Texture is not scaled, just using original size
if ((i + j)%2 == 0) DrawTextureEx(texBrick, bricks[j][i].position, 0.0f, 1.0f, GRAY);
else DrawTextureEx(texBrick, bricks[j][i].position, 0.0f, 1.0f, DARKGRAY);
}
}
}
#endif
// Draw GUI: player lives
for (int i = 0; i < player.lifes; i++) DrawRectangle(20 + 40*i, screenHeight - 30, 35, 10, LIGHTGRAY);
// Draw pause message when required
if (gamePaused) DrawText("GAME PAUSED", screenWidth/2 - MeasureText("GAME PAUSED", 40)/2, screenHeight/2 + 60, 40, GRAY);
} break;
case ENDING:
{
// Draw END screen here!
// LESSON 06: Fonts loading and text drawing
// Draw ending message
DrawTextEx(font, "GAME FINISHED", (Vector2){ 80, 100 }, 80, 6, MAROON);
if ((framesCounter/30)%2 == 0) DrawText("PRESS [ENTER] TO PLAY AGAIN", GetScreenWidth()/2 - MeasureText("PRESS [ENTER] TO PLAY AGAIN", 20)/2, GetScreenHeight()/2 + 80, 20, GRAY);
} break;
default: break;
}
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
// NOTE: Unload any loaded resources (texture, fonts, audio)
// LESSON 05: Textures loading and drawing
UnloadTexture(texBall);
UnloadTexture(texPaddle);
UnloadTexture(texBrick);
// LESSON 06: Fonts loading and text drawing
UnloadFont(font);
// LESSON 07: Sounds and music loading and playing
UnloadSound(fxStart);
UnloadSound(fxBounce);
UnloadSound(fxExplode);
UnloadMusicStream(music); // Unload music streaming buffers
CloseAudioDevice(); // Close audio device connection
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}