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game.cpp
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game.cpp
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#include "game.h"
bool Game::Initialize (GL_Window* window, Keys* keys, DWORD tickCount)
{
int i;
g_window = window;
g_keys = keys;
glEnable (GL_POINT_SMOOTH);
glHint (GL_POINT_SMOOTH_HINT, GL_NICEST);
glEnable (GL_LINE_SMOOTH);
glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
glClearColor (0, 0.0, 0.3f, 1);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gluOrtho2D (0.0, 640.0, 0.0, 480.0);
glAlphaFunc (GL_GREATER, 0.1f);
glEnable (GL_ALPHA_TEST);
glBlendFunc (GL_SRC_ALPHA, GL_ONE);
GLuint color [3] = {0, 0, 0};
if (!bitmap [0].LoadFile ("fish.bmp", true, color)) return false;
if (!bitmap [1].LoadFile ("bullet.bmp", true, color)) return false;
if (!bitmap [2].LoadFile ("enemy_bullet.bmp", true, color)) return false;
if (!bitmap [3].LoadFile ("enemy_cancer.bmp", true, color)) return false;
if (!bitmap [4].LoadFile ("enemy_cancerbullet.bmp", true, color)) return false;
if (!bitmap [5].LoadFile ("enemy_jellyfish.bmp", true, color)) return false;
if (!bitmap [6].LoadFile ("enemy_kraken.bmp", true, color)) return false;
if (!bitmap [7].LoadFile ("enemy_seastar.bmp", true, color)) return false;
if (!bitmap [8].LoadFile ("platform.bmp", true, color)) return false;
if (!bitmap [9].LoadFile ("dino_stand.bmp", true, color)) return false;
if (!bitmap [10].LoadFile ("dino_move.bmp", true, color)) return false;
if (!bitmap [11].LoadFile ("dino_bullet.bmp", true, color)) return false;
if (!bitmap [12].LoadFile ("enemy_bulletdino.bmp", true, color)) return false;
if (!bitmap [13].LoadFile ("enemy_lion.bmp", true, color)) return false;
if (!bitmap [14].LoadFile ("enemy_worm.bmp", true, color)) return false;
if (!bitmap_titlescreen.LoadFile ("titlescreen.bmp", true, color)) return false;
if (!bitmap_gameover.LoadFile ("gameover.bmp", true, color)) return false;
if (!bitmap_gamecompleted.LoadFile ("gamecompleted.bmp", true, color)) return false;
if (!bitmap_lives.New (64, 16)) return false;
bitmap_titlescreen.GenerateTexture (texture_titlescreen);
bitmap_gameover.GenerateTexture (texture_gameover);
bitmap_gamecompleted.GenerateTexture (texture_gamecompleted);
for (i = 0; i < 20; i++)
bitmap [i].GenerateTexture (texture [i]);
BASS_Init (-1, 44100, 0, NULL, NULL);
soundeffect [0] = BASS_StreamCreateFile (FALSE, "enemy_shoot.wav", 0, 0, 0);
soundeffect [1] = BASS_StreamCreateFile (FALSE, "gameover.wav", 0, 0, 0);
soundeffect [2] = BASS_StreamCreateFile (FALSE, "hit.wav", 0, 0, 0);
soundeffect [3] = BASS_StreamCreateFile (FALSE, "jump.wav", 0, 0, 0);
soundeffect [4] = BASS_StreamCreateFile (FALSE, "loselife.wav", 0, 0, 0);
soundeffect [5] = BASS_StreamCreateFile (FALSE, "shoot.wav", 0, 0, 0);
srand (tickCount);
spacePressed = false;
gameState = TitlePicture;
return true;
}
void Game::NewGame (DWORD tickCount)
{
NewGame_Sub (tickCount);
glClearColor (0, 0, 0.3f, 1);
playerPosition.x = 20;
playerPosition.y = 200;
lives = 5;
UpdateLives (true);
gameState = ActualGame;
}
void Game::EnterDinosaur (DWORD tickCount)
{
int i;
NewGame_Sub (tickCount);
glClearColor (0, 0, 0.6f, 1);
for (i = 0; i < 10; i++)
{
platformPosition [i].x = i * 64;
platformPosition [i].y = 0;
platformActive [i] = true;
}
for (; i < 15; i++)
platformActive [i] = false;
playerPosition.x = 20;
playerPosition.y = 16;
dinosaurMoving = false;
jumping = 0;
falling = 0;
movingswitchedSince = 0;
movingDirection = true;
rightmost = 9;
gap = false;
completed = 0;
scrolling = false;
upward = 0;
lastVerticalMove = 0;
gameState = ActualGame_Dinosaur;
}
void Game::NewGame_Sub (DWORD tickCount)
{
int i;
for (i = 0; i < 10; i++)
bulletActive [i] = false;
for (i = 0; i < 20; i++)
enemyActive [i] = false;
lastBulletMove = 0;
keyPressedLeftRightSince = 0;
keyPressedUpDownSince = 0;
spacePressedSince = 0;
spacePressed = false;
escapePressed = false;
keyPressedLeftRight = false;
keyPressedUpDown = false;
lastEnemyAppeared = 0;
startTime = tickCount;
}
void Game::Deinitialize ()
{
}
void Game::Update (DWORD tickCount, DWORD lastTickCount)
{
int i, j;
if (escapePressed && !g_keys->keyDown [VK_ESCAPE])
{
if (gameState == TitlePicture)
exit (1);
else if (gameState == ActualGame)
{
glClearColor (0, 0, 0.3f, 1);
escapePressed = false;
spacePressed = false;
gameState = GameOver;
BASS_ChannelPlay (soundeffect [1], TRUE);
}
else
{
glClearColor (0, 0, 0.3f, 1);
escapePressed = false;
spacePressed = false;
gameState = TitlePicture;
}
}
else if (!escapePressed && g_keys->keyDown [VK_ESCAPE])
escapePressed = true;
if (gameState == GameOver)
{
if (!spacePressed && g_keys->keyDown [VK_SPACE])
spacePressed = true;
if (spacePressed && !g_keys->keyDown [VK_SPACE])
{
glClearColor (0, 0, 0.3f, 1);
spacePressed = false;
gameState = TitlePicture;
return;
}
}
if (gameState == TitlePicture)
{
if (!spacePressed && g_keys->keyDown [VK_SPACE])
spacePressed = true;
if (spacePressed && !g_keys->keyDown [VK_SPACE])
{
NewGame (tickCount);
return;
}
// cheat: 300 lives
if (g_keys->keyDown [VK_F9])
{
NewGame (tickCount);
lives = 300;
UpdateLives (false);
return;
}
// cheat to skip fish mode
if (g_keys->keyDown [VK_F7])
{
lives = 5;
UpdateLives (true);
EnterDinosaur (tickCount);
return;
}
}
if (gameState == ActualGame)
{
if (tickCount - startTime > 300000)
{
EnterDinosaur (tickCount);
return;
}
if (g_keys->keyDown [VK_DOWN])
{
if (!keyPressedUpDown || keyPressedUpDownSince + 10 < tickCount)
{
keyPressedUpDown = true;
keyPressedUpDownSince = tickCount;
if (playerPosition.y > 70)
playerPosition.y -= 3;
}
}
else if (g_keys->keyDown [VK_UP])
{
if (!keyPressedUpDown || keyPressedUpDownSince + 10 < tickCount)
{
keyPressedUpDown = true;
keyPressedUpDownSince = tickCount;
if (playerPosition.y < 416)
playerPosition.y += 3;
}
}
else if (!g_keys->keyDown [VK_DOWN] && !g_keys->keyDown [VK_UP])
keyPressedUpDown = false;
if (g_keys->keyDown [VK_LEFT])
{
if (!keyPressedLeftRight || keyPressedLeftRightSince + 10 < tickCount)
{
keyPressedLeftRight = true;
keyPressedLeftRightSince = tickCount;
if (playerPosition.x > 2)
playerPosition.x -= 3;
}
}
else if (g_keys->keyDown [VK_RIGHT])
{
if (!keyPressedLeftRight || keyPressedLeftRightSince + 10 < tickCount)
{
keyPressedLeftRight = true;
keyPressedLeftRightSince = tickCount;
if (playerPosition.x < 400)
playerPosition.x += 3;
}
}
else if (!g_keys->keyDown [VK_LEFT] && !g_keys->keyDown [VK_RIGHT])
keyPressedLeftRight = false;
if (g_keys->keyDown [VK_SPACE])
{
if (spacePressedSince + 800 < tickCount)
{
spacePressed = true;
spacePressedSince = tickCount;
for (i = 0; i < 10 && bulletActive [i]; i++);
if (i < 10)
{
bulletPosition [i].x = playerPosition.x + 64;
bulletPosition [i].y = playerPosition.y;
bulletActive [i] = true;
BASS_ChannelPlay (soundeffect [5], TRUE);
}
}
}
else
spacePressed = false;
if (lastBulletMove + 5 < tickCount)
{
lastBulletMove = tickCount;
for (i = 0; i < 10; i++)
if (bulletActive [i])
{
bulletPosition [i].x += 5;
if (bulletPosition [i].x >= 640)
bulletActive [i] = false;
}
for (i = 0; i < 20; i++)
if (enemyActive [i])
{
if (playerPosition.x + 64 >= enemy [i].position.x
&& playerPosition.x <= enemy [i].position.x + enemy [i].width
&& playerPosition.y + 32 >= enemy [i].position.y
&& playerPosition.y <= enemy [i].position.y + enemy [i].height)
{
lives--;
UpdateLives (false);
enemyActive [i] = false;
BASS_ChannelPlay (soundeffect [4], TRUE);
}
for (j = 0; j < 10 && enemyActive [i]; j++)
if (bulletActive [j]
&& bulletPosition [j].x + 64 >= enemy [i].position.x
&& bulletPosition [j].x <= enemy [i].position.x + enemy [i].width
&& bulletPosition [j].y + 32 >= enemy [i].position.y
&& bulletPosition [j].y <= enemy [i].position.y + enemy [i].height)
{
bulletActive [j] = false;
if (enemy [i].type == Jellyfish || enemy [i].type == Kraken
|| enemy [i].type == EnemyBullet || enemy [i].type == CancerBullet)
{
BASS_ChannelPlay (soundeffect [2], TRUE);
enemyActive [i] = false;
}
}
if (enemyActive [i])
{
enemy [i].position.x -= 3;
if (enemy [i].position.x < -enemy [i].width)
enemyActive [i] = false;
else
{
switch (enemy [i].type)
{
case Kraken:
if (enemy [i].moving)
{
if (enemy [i].position.y < enemy [i].whereToGo.y)
enemy [i].position.y++;
else if (enemy [i].position.y > enemy [i].whereToGo.y)
enemy [i].position.y--;
if (enemy [i].position.y == enemy [i].whereToGo.y)
enemy [i].moving = false;
}
else
{
enemy [i].moving = true;
if (enemy [i].variable [0] == 0)
{
enemy [i].whereToGo.y = enemy [i].position.y - 20;
enemy [i].variable [0] = 1;
}
else
{
enemy [i].whereToGo.y = enemy [i].position.y + 20;
enemy [i].variable [0] = 0;
}
}
if (enemy [i].variable [1] + 1000 < tickCount)
{
enemy [i].variable [1] = tickCount;
if (rand () % 2)
{
for (j = 0; j < 20 && enemyActive [j]; j++);
if (j < 20)
{
BASS_ChannelPlay (soundeffect [0], TRUE);
enemy [j].type = EnemyBullet;
enemy [j].width = 64;
enemy [j].height = 32;
enemy [j].position.x = enemy [i].position.x - 64 - 1;
enemy [j].position.y = enemy [i].position.y + 48;
enemyActive [j] = true;
}
}
}
break;
case EnemyBullet:
enemy [i].position.x -= 5;
for (j = 0; j < 20 && enemyActive [i]; j++)
if (enemyActive [j] && j != i
&& enemy [i].position.x + enemy [i].width >= enemy [j].position.x
&& enemy [i].position.x <= enemy [j].position.x + enemy [j].width
&& enemy [i].position.y + enemy [i].height >= enemy [j].position.y
&& enemy [i].position.y <= enemy [j].position.y + enemy [j].height)
enemyActive [i] = false;
break;
case Jellyfish:
if (enemy [i].moving)
{
if (enemy [i].position.y < enemy [i].whereToGo.y)
{
enemy [i].position.y += 4;
if (enemy [i].position.y > enemy [i].whereToGo.y)
enemy [i].position.y = enemy [i].whereToGo.y;
}
else if (enemy [i].position.y > enemy [i].whereToGo.y)
{
enemy [i].position.y -= 4;
if (enemy [i].position.y < enemy [i].whereToGo.y)
enemy [i].position.y = enemy [i].whereToGo.y;
}
if (enemy [i].position.y == enemy [i].whereToGo.y)
enemy [i].moving = false;
}
else
{
enemy [i].moving = true;
if (enemy [i].variable [0] == 0)
{
enemy [i].whereToGo.y = enemy [i].position.y - 100 - rand () % 200;
if (enemy [i].whereToGo.y < enemy [i].height)
enemy [i].whereToGo.y = enemy [i].height;
enemy [i].variable [0] = 1;
}
else
{
enemy [i].whereToGo.y = enemy [i].position.y + 100 - rand () % 200;
if (enemy [i].whereToGo.y > 480 - enemy [i].height)
enemy [i].whereToGo.y = 480 - enemy [i].height;
enemy [i].variable [0] = 0;
}
}
break;
case Cancer:
if (enemy [i].variable [1] + 800 < tickCount)
{
enemy [i].variable [1] = tickCount;
if (rand () % 2)
{
for (j = 0; j < 20 && enemyActive [j]; j++);
if (j < 20)
{
BASS_ChannelPlay (soundeffect [0], TRUE);
enemy [j].type = CancerBullet;
enemy [j].width = 32;
enemy [j].height = 32;
enemy [j].position.x = enemy [i].position.x + 48;
enemy [j].position.y = enemy [i].position.y + 64 + 1;
enemy [j].whereToGo.x = 1 + rand () % 3;
if (rand () % 2)
enemy [j].whereToGo.x = -enemy [j].whereToGo.x;
enemyActive [j] = true;
}
}
}
break;
case CancerBullet:
enemy [i].position.x -= enemy [i].whereToGo.x;
enemy [i].position.y += 5;
for (j = 0; j < 20 && enemyActive [i]; j++)
if (enemyActive [j] && j != i
&& enemy [i].position.x + enemy [i].width >= enemy [j].position.x
&& enemy [i].position.x <= enemy [j].position.x + enemy [j].width
&& enemy [i].position.y + enemy [i].height >= enemy [j].position.y
&& enemy [i].position.y <= enemy [j].position.y + enemy [j].height)
enemyActive [i] = false;
break;
}
}
}
}
}
if ((lastEnemyAppeared + 3000 < tickCount)
|| (lastEnemyAppeared + 750 - (tickCount - startTime) / 1000 < tickCount && rand () % 2))
{
for (i = 0; i < 20 && enemyActive [i]; i++);
if (i < 20)
{
for (j = 0; j < 10; j++)
enemy [i].variable [j] = 0;
switch (rand () % 10)
{
case 0:
case 1:
enemy [i].type = Kraken;
enemy [i].width = 128;
enemy [i].height = 128;
enemy [i].position.y = 128 + rand () % (480 - 128 * 2);
break;
case 2:
case 3:
case 4:
enemy [i].type = Jellyfish;
enemy [i].width = 64;
enemy [i].height = 128;
enemy [i].position.y = 128 + rand () % (480 - 128 * 2);
enemy [i].variable [0] = rand () % 2;
break;
case 5:
enemy [i].type = Cancer;
enemy [i].width = 128;
enemy [i].height = 64;
enemy [i].position.y = 0;
break;
default:
enemy [i].type = Seastar;
enemy [i].width = 64;
enemy [i].height = 64;
enemy [i].position.y = 64 + rand () % (480 - 64 * 2);
break;
}
enemy [i].moving = false;
enemy [i].position.x = 640;
enemyActive [i] = true;
lastEnemyAppeared = tickCount;
}
}
}
if (gameState == ActualGame_Dinosaur)
{
if (completed == 800)
{
glClearColor (0, 0, 0.3f, 1);
gameState = GameCompleted;
return;
}
if (tickCount > lastVerticalMove + 10)
{
lastVerticalMove = tickCount;
if (jumping)
{
playerPosition.y += jumping;
jumping--;
if (!jumping)
falling = 1;
}
else
{
keyPressedUpDown = true;
if (!falling)
falling = 1;
for (i = 0; i < 15 && falling; i++)
if (platformActive [i]
&& platformPosition [i].x <= playerPosition.x + 64
&& platformPosition [i].x + 64 >= playerPosition.x + 10
&& platformPosition [i].y <= playerPosition.y + 80
&& platformPosition [i].y + 16 >= playerPosition.y)
{
playerPosition.y = platformPosition [i].y + 16;
falling = 0;
keyPressedUpDown = false;
}
if (falling)
{
if (playerPosition.y < -128)
{
int leftmost = 0;
lives--;
UpdateLives (false);
BASS_ChannelPlay (soundeffect [4], TRUE);
for (i = 0; i < 15 && falling; i++)
{
if (platformPosition [i].x > 0
&& (platformPosition [i].x < platformPosition [leftmost].x
|| platformPosition [leftmost].x < 0))
leftmost = i;
if (platformActive [i]
&& platformPosition [i].x <= playerPosition.x + 64
&& platformPosition [i].x + 64 >= playerPosition.x + 10)
{
playerPosition.y = platformPosition [i].y + 16;
falling = 0;
}
}
if (falling)
{
playerPosition.x = platformPosition [leftmost].x;
playerPosition.y = platformPosition [leftmost].y + 16;
}
}
playerPosition.y -= falling;
falling++;
}
}
}
if (g_keys->keyDown [VK_UP])
{
if (!keyPressedUpDown)
{
keyPressedUpDown = true;
jumping = 20;
falling = 0;
BASS_ChannelPlay (soundeffect [3], TRUE);
}
}
else if (keyPressedUpDown && !falling)
jumping = 1;
scrolling = false;
if (g_keys->keyDown [VK_LEFT])
{
if (!keyPressedLeftRight || keyPressedLeftRightSince + 10 < tickCount)
{
keyPressedLeftRight = true;
keyPressedLeftRightSince = tickCount;
if (playerPosition.x > 2)
playerPosition.x -= 3;
if (movingswitchedSince + 60 < tickCount)
{
movingswitchedSince = tickCount;
dinosaurMoving = !dinosaurMoving;
}
movingDirection = false;
}
}
else if (g_keys->keyDown [VK_RIGHT])
{
if (!keyPressedLeftRight || keyPressedLeftRightSince + 10 < tickCount)
{
keyPressedLeftRight = true;
keyPressedLeftRightSince = tickCount;
if (playerPosition.x < 320)
playerPosition.x += 3;
else
{
scrolling = true;
j = 15;
for (i = 0; i < 15; i++)
{
if (platformActive [i])
{
platformPosition [i].x -= 3;
if (platformPosition [i].x < -64)
{
platformActive [i] = false;
completed++;
}
}
else
j = i;
}
if (j < 15)
{
if (!gap && !(rand () % 6))
gap = true;
else
{
platformPosition [j].x = platformPosition [rightmost].x + 64;
if (gap)
platformPosition [j].x += 100;
platformPosition [j].y = platformPosition [rightmost].y;
upward++;
if (!(rand () % 4))
{
int temp = rand () % 120 + 100;
if (rand () % 2)
temp = -temp;
while (platformPosition [j].y + temp < 0 || platformPosition [j].y + temp > 360)
{
if (platformPosition [j].y - temp < 0 || platformPosition [j].y - temp > 360)
{
temp /= 4;
temp *= 3;
}
else
temp = -temp;
}
if (temp < 0)
upward = 0;
platformPosition [j].y += temp;
}
platformActive [j] = true;
rightmost = j;
gap = false;
}
}
}
if (movingswitchedSince + 60 < tickCount)
{
movingswitchedSince = tickCount;
dinosaurMoving = !dinosaurMoving;
}
movingDirection = true;
}
}
else if (!g_keys->keyDown [VK_LEFT] && !g_keys->keyDown [VK_RIGHT])
keyPressedLeftRight = false;
if (g_keys->keyDown [VK_SPACE])
{
if (spacePressedSince + 800 < tickCount)
{
spacePressed = true;
spacePressedSince = tickCount;
for (i = 0; i < 10 && bulletActive [i]; i++);
if (i < 10)
{
if (movingDirection)
bulletPosition [i].x = playerPosition.x + 64;
else
bulletPosition [i].x = playerPosition.x - 32;
bulletPosition [i].y = playerPosition.y + 60;
bulletDirection [i] = movingDirection;
bulletActive [i] = true;
BASS_ChannelPlay (soundeffect [5], TRUE);
}
}
}
else
spacePressed = false;
if (lastBulletMove + 5 < tickCount)
{
lastBulletMove = tickCount;
for (i = 0; i < 10; i++)
if (bulletActive [i])
{
if (bulletDirection [i])
bulletPosition [i].x += 5;
else
bulletPosition [i].x -= 5;
bulletPosition [i].y--;
if (bulletPosition [i].x >= 640 || bulletPosition [i].x < 0 || bulletPosition [i].y < 0)
bulletActive [i] = false;
}
for (i = 0; i < 20; i++)
if (enemyActive [i])
{
if (playerPosition.x + 64 >= enemy [i].position.x
&& playerPosition.x <= enemy [i].position.x + enemy [i].width
&& playerPosition.y + 80 >= enemy [i].position.y
&& playerPosition.y <= enemy [i].position.y + enemy [i].height)
{
lives--;
UpdateLives (false);
enemyActive [i] = false;
BASS_ChannelPlay (soundeffect [4], TRUE);
}
for (j = 0; j < 10 && enemyActive [i]; j++)
if (bulletActive [j]
&& bulletPosition [j].x + 32 >= enemy [i].position.x
&& bulletPosition [j].x <= enemy [i].position.x + enemy [i].width
&& bulletPosition [j].y + 32 >= enemy [i].position.y
&& bulletPosition [j].y <= enemy [i].position.y + enemy [i].height)
{
BASS_ChannelPlay (soundeffect [2], TRUE);
bulletActive [j] = false;
enemyActive [i] = false;
}
if (enemyActive [i])
{
if (scrolling)
enemy [i].position.x -= 3;
if (enemy [i].position.x < -enemy [i].width)
enemyActive [i] = false;
else
{
switch (enemy [i].type)
{
case Worm:
if (enemy [i].variable [1] + 1600 < tickCount)
{
enemy [i].variable [1] = tickCount;
if (rand () % 3)
{
for (j = 0; j < 20 && enemyActive [j]; j++);
if (j < 20)
{
BASS_ChannelPlay (soundeffect [0], TRUE);
enemy [j].type = EnemyBullet;
enemy [j].width = 32;
enemy [j].height = 32;
enemy [j].position.x = enemy [i].position.x - 32;
enemy [j].position.y = enemy [i].position.y + 80;
enemy [j].whereToGo.y = 0;
enemyActive [j] = true;
}
}
}
break;
case Lion:
if (enemy [i].variable [1] + 800 < tickCount)
{
enemy [i].variable [1] = tickCount;
if (rand () % 2)
{
for (j = 0; j < 20 && enemyActive [j]; j++);
if (j < 20)
{
BASS_ChannelPlay (soundeffect [0], TRUE);
enemy [j].type = EnemyBullet;
enemy [j].width = 32;
enemy [j].height = 32;
enemy [j].position.x = enemy [i].position.x - 32;
enemy [j].position.y = enemy [i].position.y + 80;
enemy [j].whereToGo.y = 1 + rand () % 3;
if (rand () % 2)
enemy [j].whereToGo.y = -enemy [j].whereToGo.y;
enemyActive [j] = true;
}
}
}
break;
case EnemyBullet:
enemy [i].position.x -= 5;
enemy [i].position.y += enemy [i].whereToGo.y;
for (j = 0; j < 20 && enemyActive [i]; j++)
if (enemyActive [j] && j != i
&& enemy [i].position.x + enemy [i].width >= enemy [j].position.x
&& enemy [i].position.x <= enemy [j].position.x + enemy [j].width
&& enemy [i].position.y + enemy [i].height >= enemy [j].position.y
&& enemy [i].position.y <= enemy [j].position.y + enemy [j].height)
enemyActive [i] = false;
break;
}
}
}
}
for (i = 0; i < 15; i++)
if (platformActive [i])
for (j = 0; j < 10; j++)
if (bulletActive [j]
&& bulletPosition [j].x + 32 >= platformPosition [i].x
&& bulletPosition [j].x <= platformPosition [i].x + 64
&& bulletPosition [j].y + 32 >= platformPosition [i].y
&& bulletPosition [j].y <= platformPosition [i].y + 16)
bulletActive [j] = false;
}
if (upward > 2
&& lastEnemyAppeared + 2 < completed
&& ((lastEnemyAppeared + 20 < completed)
|| (lastEnemyAppeared + 5 - completed / 100 < completed && rand () % 2)))
{
for (i = 0; i < 20 && enemyActive [i]; i++);
if (i < 20)
{
for (j = 0; j < 10; j++)
enemy [i].variable [j] = 0;
switch (rand () % 10)
{
case 0:
case 1:
case 2:
enemy [i].type = Lion;
enemy [i].width = 128;
enemy [i].height = 118;
enemy [i].position.x = platformPosition [rightmost].x;
enemy [i].position.y = platformPosition [rightmost].y + 16;
break;
default:
enemy [i].type = Worm;
enemy [i].width = 64;
enemy [i].height = 98;
enemy [i].position.x = platformPosition [rightmost].x;
enemy [i].position.y = platformPosition [rightmost].y + 16;
break;
}
enemy [i].moving = false;
enemyActive [i] = true;
lastEnemyAppeared = completed;
}
}
}
}
void Game::Draw (DWORD tickCount)
{
int i;
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
switch (gameState)
{
case TitlePicture:
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, texture_titlescreen);
glColor3f (1.0f, 1.0f, 1.0f);
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f ((640 - 512) / 2 + 0, 0);
glTexCoord2f (1.0f, 0.0f); glVertex2f ((640 - 512) / 2 + 512, 0);
glTexCoord2f (1.0f, 1.0f); glVertex2f ((640 - 512) / 2 + 512, 512);
glTexCoord2f (0.0f, 1.0f); glVertex2f ((640 - 512) / 2 + 0, 512);
glEnd ();
glDisable (GL_TEXTURE_2D);
break;
case GameOver:
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, texture_gameover);
glColor3f (1.0f, 1.0f, 1.0f);
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f ((640 - 512) / 2 + 0, 0);
glTexCoord2f (1.0f, 0.0f); glVertex2f ((640 - 512) / 2 + 512, 0);
glTexCoord2f (1.0f, 1.0f); glVertex2f ((640 - 512) / 2 + 512, 512);
glTexCoord2f (0.0f, 1.0f); glVertex2f ((640 - 512) / 2 + 0, 512);
glEnd ();
glDisable (GL_TEXTURE_2D);
break;
case GameCompleted:
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, texture_gamecompleted);
glColor3f (1.0f, 1.0f, 1.0f);
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f ((640 - 512) / 2 + 0, 0);
glTexCoord2f (1.0f, 0.0f); glVertex2f ((640 - 512) / 2 + 512, 0);
glTexCoord2f (1.0f, 1.0f); glVertex2f ((640 - 512) / 2 + 512, 512);
glTexCoord2f (0.0f, 1.0f); glVertex2f ((640 - 512) / 2 + 0, 512);
glEnd ();
glDisable (GL_TEXTURE_2D);
break;
case ActualGame:
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, texture_lives);
glColor3f (1.0f, 1.0f, 1.0f);
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f (0, 480 - 16);
glTexCoord2f (1.0f, 0.0f); glVertex2f (64, 480 - 16);
glTexCoord2f (1.0f, 1.0f); glVertex2f (64, 480);
glTexCoord2f (0.0f, 1.0f); glVertex2f (0, 480);
glEnd ();
glDisable (GL_TEXTURE_2D);
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, texture [0]);
glColor3f (1.0f, 1.0f, 1.0f);
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f (playerPosition.x, playerPosition.y);
glTexCoord2f (1.0f, 0.0f); glVertex2f (playerPosition.x + 64, playerPosition.y);
glTexCoord2f (1.0f, 1.0f); glVertex2f (playerPosition.x + 64, playerPosition.y + 32);
glTexCoord2f (0.0f, 1.0f); glVertex2f (playerPosition.x, playerPosition.y + 32);
glEnd ();
glDisable (GL_TEXTURE_2D);
for (i = 0; i < 10; i++)
if (bulletActive [i])
{
glEnable (GL_TEXTURE_2D);
glBindTexture (GL_TEXTURE_2D, texture [1]);
glColor3f (1.0f, 1.0f, 1.0f);
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f (bulletPosition [i].x, bulletPosition [i].y);
glTexCoord2f (1.0f, 0.0f); glVertex2f (bulletPosition [i].x + 64, bulletPosition [i].y);
glTexCoord2f (1.0f, 1.0f); glVertex2f (bulletPosition [i].x + 64, bulletPosition [i].y + 32);
glTexCoord2f (0.0f, 1.0f); glVertex2f (bulletPosition [i].x, bulletPosition [i].y + 32);
glEnd ();
glDisable (GL_TEXTURE_2D);
}
for (i = 0; i < 20; i++)
if (enemyActive [i])
{
glEnable (GL_TEXTURE_2D);
switch (enemy [i].type)
{
case Kraken:
glBindTexture (GL_TEXTURE_2D, texture [6]);
break;
case Cancer:
glBindTexture (GL_TEXTURE_2D, texture [3]);
break;
case Seastar:
glBindTexture (GL_TEXTURE_2D, texture [7]);
break;
case Jellyfish:
glBindTexture (GL_TEXTURE_2D, texture [5]);
break;
case EnemyBullet:
glBindTexture (GL_TEXTURE_2D, texture [2]);
break;
case CancerBullet:
glBindTexture (GL_TEXTURE_2D, texture [4]);
break;
}
glColor3f (1.0f, 1.0f, 1.0f);
switch (enemy [i].type)
{
case Kraken:
glBegin (GL_QUADS);
glTexCoord2f (0.0f, 0.0f); glVertex2f (enemy [i].position.x, enemy [i].position.y);
glTexCoord2f (1.0f, 0.0f); glVertex2f (enemy [i].position.x + 128, enemy [i].position.y);
glTexCoord2f (1.0f, 1.0f); glVertex2f (enemy [i].position.x + 128, enemy [i].position.y
+ 128);