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SynGame
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Additions and Readme Update 

- Added a Background Music
- Added Limitations to the player's positions so they can't exceed screen limits
- Added Controls to Readme file
- Fixed Score position and increased digit count
This commit is contained in:
Asrın Doğan 2019-09-10 22:22:22 +03:00
parent cea9e179ef
commit 8216c95c9e
3 changed files with 98 additions and 55 deletions
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9
README.md
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@ -1,6 +1,15 @@
# SynGame
Simple Shoot 'Em Up game.
Keys:
Move Up - Up Arrow
Move Right - Right Arrow
Move Down - Down Arrow
Move Left - Left Arrow
Shoot - Space
Restart - R
Exit - Escape(ESC)
Exe without console window
gcc SynGame.c -o SynGame.exe "allegro\lib\liballegro-5.0.10-md.a" "allegro\lib\liballegro_audio-5.0.10-md.a" "allegro\lib\liballegro_acodec-5.0.10-md.a" "allegro\lib\liballegro_image-5.0.10-md.a" "allegro\lib\liballegro_dialog-5.0.10-md.a" "allegro\lib\liballegro_primitives-5.0.10-md.a" --machine-windows

BIN
Sounds/Background.wav Normal file
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144
SynGame.c
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@ -15,9 +15,10 @@
#define initialPlayerHealth 4
#define bulletSpeed 25
#define numberImageSize 5
#define scoreDigitLimit 10
#define scoreDigitLimit 11
#define enemyLimiter 8
#define initialEnemyLimit 3
#define sampleCount 3
typedef struct
{
@ -25,6 +26,35 @@ typedef struct
float y;
} Vector2D;
typedef struct
{
Vector2D position;
/* char health; */
float moveSpeed;
float fireCooldown;
Vector2D velocity;
} Enemy;
typedef struct
{
char isEnemyBullet;
Vector2D position;
Vector2D velocity;
} Bullet;
struct
{
int enemyLimit;
int enemyCount;
Enemy *enemyArray;
} enemies;
struct
{
int bulletCount;
Bullet *bulletArray;
} bullets;
struct
{
Vector2D position;
@ -39,35 +69,6 @@ struct
ALLEGRO_BITMAP *playerImage;
} player;
typedef struct
{
Vector2D position;
/* char health; */
float moveSpeed;
float fireCooldown;
Vector2D velocity;
} Enemy;
struct
{
int enemyLimit;
int enemyCount;
Enemy *enemyArray;
} enemies;
typedef struct
{
char isEnemyBullet;
Vector2D position;
Vector2D velocity;
} Bullet;
struct
{
int bulletCount;
Bullet *bulletArray;
} bullets;
void SpawnEnemies();
void CheckBullets();
void RemoveBulletAtIndex(int index);
@ -86,6 +87,7 @@ void GetHighScore();
void DrawNumber(Vector2D position, int number);
void Inputs();
void PlayerMovement();
void ClampPlayerPositionToScreen();
void BulletMovement();
void ShootSoundEffect();
void DieSoundEffect();
@ -111,6 +113,8 @@ ALLEGRO_TIMER *timer = NULL;
ALLEGRO_COLOR backgroundColor;
ALLEGRO_BITMAP *gameOverImage;
ALLEGRO_SAMPLE *BGM;
ALLEGRO_SAMPLE *shootSound;
ALLEGRO_SAMPLE_ID shootSoundID;
@ -136,7 +140,6 @@ unsigned int highScore = 0;
Vector2D input;
byte isRestart = 0;
byte isRunning = 1;
byte isGameStarted = 0;
byte isGameOver = 0;
void Update()
@ -176,9 +179,11 @@ void Update()
timeFromStart += deltaTime;
player.score = (int)(timeFromStart * timeFromStart) * (player.killedEnemyCount + 1);
/* To limit enemies on the screen */
if(enemies.enemyLimit != enemyLimiter)
{
enemies.enemyLimit = initialEnemyLimit + (int)(timeFromStart / 10);
if(enemies.enemyCount > enemyLimiter)
enemies.enemyLimit = enemyLimiter;
}
@ -211,6 +216,7 @@ int main(int argc, char **argv)
{
if(InitializeGameWindow() == 0)
return 0;
do
{
if(InitializeGame() == 0)
@ -270,6 +276,11 @@ byte isVectorExceedingLimits(Vector2D vector, Vector2D limits)
return result;
}
/*
Gets the shortest dimensions of both images, sums these dimension and divides by 2 to get minimum accepted distance.
And compares the distance between those objects to the minimum distancce to check if they're colliding.
It's the most optimized way I can think of for a game like this.
*/
byte CheckCollision(Vector2D *firstPos, Vector2D *secondPos, ALLEGRO_BITMAP *firstMap, ALLEGRO_BITMAP *secondMap)
{
Vector2D firstImageSize;
@ -285,8 +296,7 @@ byte CheckCollision(Vector2D *firstPos, Vector2D *secondPos, ALLEGRO_BITMAP *fir
minDistance = firstImageSize.x > firstImageSize.y ? firstImageSize.y : firstImageSize.x;
minDistance += secondImageSize.x > secondImageSize.y ? secondImageSize.y : secondImageSize.x;
minDistance /= 2;
minDistance *= sizeMultiplier;
minDistance *= sizeMultiplier * 0.5f;
distance = VectorDistance(*firstPos, *secondPos);
@ -304,7 +314,7 @@ char InitializeGameWindow()
!al_init_image_addon() ||
!al_install_audio() ||
!al_init_acodec_addon() ||
!al_reserve_samples(1))
!al_reserve_samples(sampleCount))
return 0;
al_get_display_mode(al_get_num_display_modes() - 1, &disp_data);
@ -350,6 +360,10 @@ char InitializeGameWindow()
backgroundColor.a = 0;
backgroundColor.a = 0;
backgroundColor.a = 0;
/* BGM is an exception since I don't want to it to restart itself every restart */
BGM = al_load_sample("Sounds/Background.wav");
al_play_sample(BGM, 1.0, 0.0, 1.0, ALLEGRO_PLAYMODE_LOOP, NULL);
}
char InitializeGame()
@ -374,10 +388,10 @@ char InitializeGame()
enemyDieSound == NULL)
return 0;
/* Game Initialization */
isRunning = 1;
isRestart = 0;
isGameOver = 0;
isGameStarted = 0;
timeFromStart = 0;
player.killedEnemyCount = 0;
return 1;
@ -385,7 +399,6 @@ char InitializeGame()
void InitializeEnemies()
{
int i = 0;
enemies.enemyLimit = initialEnemyLimit;
enemies.enemyCount = 0;
enemies.enemyArray = (Enemy *) malloc(sizeof(Enemy) * enemies.enemyCount);
@ -398,32 +411,36 @@ void InitializeEnemies()
void SpawnEnemies()
{
if(enemyRespawnCounter > 10000)
enemyRespawnCounter = 0;
Vector2D enemySpawnVector;
Vector2D enemyvelocity;
Vector2D enemyVelocity;
Enemy *enemy;
float speed;
int randomNumber;
if(enemyRespawnCounter > 10000)
enemyRespawnCounter = 0;
while (enemies.enemyCount < enemies.enemyLimit)
{
/* enemyRespawnCounter is just for making the value of rand() more randomized */
srand(time(0) + enemyRespawnCounter);
enemies.enemyCount++;
randomNumber = rand() * enemies.enemyCount;
enemies.enemyCount++;
enemies.enemyArray = (Enemy *) realloc(enemies.enemyArray, sizeof(Enemy) * enemies.enemyCount);
enemyvelocity.x = (float)(randomNumber % 20000) / 10000;
enemyvelocity.y = (float)(randomNumber % 2000) / 1000;
enemyvelocity.x *= randomNumber % 2 == 0 ? -1 : 1;
enemyvelocity.y *= randomNumber % 4 >= 2 ? -1 : 1;
/* Randomizing the velocity */
enemyVelocity.x = (float)(randomNumber % 20000) / 10000;
enemyVelocity.y = (float)(randomNumber % 2000) / 1000;
enemyVelocity.x *= randomNumber % 2 == 0 ? -1 : 1;
enemyVelocity.y *= randomNumber % 4 >= 2 ? -1 : 1;
speed = (float)(randomNumber % 500 / 100 + 2);
enemy = (enemies.enemyArray + enemies.enemyCount - 1);
enemy -> velocity = NormalizeVector(enemyvelocity);
enemy -> velocity = NormalizeVector(enemyVelocity);
enemy -> moveSpeed = speed;
enemySpawnVector.x = enemyvelocity.x > 0 ? 0 : screenDimensions.x;
enemySpawnVector.y = enemyvelocity.y > 0 ? 0 : screenDimensions.y;
enemySpawnVector.x = enemyVelocity.x > 0 ? 0 : screenDimensions.x;
enemySpawnVector.y = enemyVelocity.y > 0 ? 0 : screenDimensions.y;
enemy -> position = enemySpawnVector;
enemy -> fireCooldown = 01.0 / (rand() % 5) + 2.0;
@ -468,7 +485,7 @@ void RemoveEnemyAtIndex(int index)
enemies.enemyCount--;
enemies.enemyArray = (Enemy *) realloc(enemies.enemyArray, sizeof(Enemy) * enemies.enemyCount);
printf("New Enemy Count = %d\n", enemies.enemyCount);
DieSoundEffect();
}
@ -564,10 +581,10 @@ void DrawScore()
unsigned int processedScore = player.score;
char digit;
Vector2D spawnPosition;
int i = scoreDigitLimit;
int i = scoreDigitLimit - 1;
/*while (processedScore >= 1 && i > 0)*/
while (i > 0)
/* while (processedScore >= 1 && i > 0) */
while (i >= 0)
{
spawnPosition = scorePosition;
/* numberImageSize + 1 is because 1 pixel space between digits */
@ -586,7 +603,7 @@ void DrawHighScore()
Vector2D spawnPosition;
int i = 0;
/*while (processedScore >= 1 && i > 0)*/
/* while (processedScore >= 1 && i > 0) */
while (i < scoreDigitLimit)
{
spawnPosition = highScorePosition;
@ -664,6 +681,21 @@ void PlayerMovement()
{
player.position.x += input.x * player.moveSpeed;
player.position.y += input.y * player.moveSpeed;
ClampPlayerPositionToScreen();
}
void ClampPlayerPositionToScreen()
{
if(player.position.x < 0)
player.position.x = 0;
else if(player.position.x > screenDimensions.x)
player.position.x = screenDimensions.x;
if(player.position.y < 0)
player.position.y = 0;
else if(player.position.y > screenDimensions.y)
player.position.y = screenDimensions.y;
}
char DealDamage(char *health)
@ -686,14 +718,14 @@ void BulletMovement()
void ShootSoundEffect()
{
printf("ShootSoundEffect();\n");
al_stop_sample(&shootSoundID);
/* al_stop_sample(&shootSoundID); */
al_play_sample(shootSound, 1.0, 0.0, 1.0, ALLEGRO_PLAYMODE_ONCE, &shootSoundID);
}
void DieSoundEffect()
{
printf("DieSoundEffect();\n");
al_stop_sample(&enemyDieSoundID);
/* al_stop_sample(&enemyDieSoundID); */
al_play_sample(enemyDieSound, 1.0, 0.0, 1.0, ALLEGRO_PLAYMODE_ONCE, &enemyDieSoundID);
}
@ -841,6 +873,8 @@ void DestroyGame()
void DestroyGameWindow()
{
/* BGM is an exception since I don't want to it to restart itself every restart */
al_destroy_sample(BGM);
al_destroy_display(display);
al_uninstall_keyboard();
}