int GameMoveSelectedBall()
{
int ball;
// Check move rules; return 0 if the move isn't valid
if (!GameCheckPathExists(g_TileSelectX, g_TileSelectY, g_TileCursorX, g_TileCursorY))
return 0;
g_okShowTileCursor = 0; // Hide cursor
ball = g_Board[g_TileSelectY][g_TileSelectX];
g_Board[g_TileSelectY][g_TileSelectX] = BALL_NONE;
g_TileSelectX = g_TileSelectY = -1; // Clear selection
DrawGameScreen();
SDL_Flip(g_pSurface);
SDL_Delay(100);
g_Board[g_TileCursorY][g_TileCursorX] = ball;
DrawGameScreen();
SDL_Flip(g_pSurface);
SDL_Delay(100);
g_okShowTileCursor = 1; // Show cursor
return 1;
}
void GameStart()
{
// Clear board
memset(g_Board, 0, sizeof(g_Board));
// Clear score
g_Score = 0;
g_KingScore = 100; //TODO
g_TileCursorX = g_TileCursorY = 4; // Cursor to center of the board
g_okShowTileCursor = 0; // Hide cursor
g_TileSelectX = g_TileSelectY = -1; // No selection
g_NextColors[0] = rand() % BALLCOLORCOUNT + 1;
g_NextColors[1] = rand() % BALLCOLORCOUNT + 1;
g_NextColors[2] = rand() % BALLCOLORCOUNT + 1;
DrawGameScreen();
SDL_Flip(g_pSurface);
SDL_Delay(100);
// Put first three random balls
GamePutThreeRandomBalls();
g_okShowTileCursor = 1; // Show cursor
g_GameMode = GAMEMODE_PLAY;
}
void GamePutThreeRandomBalls()
{
int i;
for (i = 0; i < 3; i++)
{
GamePutRandomBall();
DrawGameScreen();
SDL_Flip(g_pSurface);
SDL_Delay(100);
}
}
// the render function
// is called for every frame update
// cointains a variable called screen which we have used to set multiple screens up
// we have the game screen
// and the about screen
void RenderScreen(int Screen)
{
switch(Screen)
{
case ID_GAME:
{
DrawGameScreen(); // call to DrawGameScreen function
}
break;
case ID_ABOUT:
{
DrawAboutScreen(); // call to DrawAboutScreen function
}
break;
}
}
void onScreenRender() {
printf("onRender()\n");
glClearColor(1, 1, 1, 0);
glClear(GL_COLOR_BUFFER_BIT);
if (Window == W_MAINMENU) {
DrawMainMenuScreen();
} else if (Window == W_GAME) {
DrawGameScreen();
} else if (Window == W_GAMESETTINGS) {
DrawGameSettingsScreen();
} else if (Window == W_HIGHSCORES) {
DrawHighScoresScreen();
} else if (Window == W_CHAMPION) {
DrawChampionScreen();
} else {
printf("Unknown window value\n");
}
glutSwapBuffers();
}
int main(int argc, char * argv[])
{
int flags = 0;
SDL_Event evt;
SDL_Surface *tempSurface;
#ifdef _WIN32
_putenv("SDL_VIDEO_WINDOW_POS=250,200");
#endif
// Init randomizer
srand(SDL_GetTicks());
// Init SDL video
if (SDL_Init(SDL_INIT_VIDEO) < 0)
return 255; // Unable to initialize SDL
// Prepare screen surface
g_pSurface = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 16, flags);
if (g_pSurface == NULL)
return 254; // Unable to set video mode
#ifdef _WIN32
SDL_WM_SetCaption("Color Lines SDL", "Color Lines SDL");
#else
SDL_ShowCursor(SDL_DISABLE);
#endif
// Load font
tempSurface = SDL_LoadBMP("ColorLinesData/font.bmp");
if (tempSurface == NULL)
return 253; // Unable to load bitmap
g_pFont = SDL_DisplayFormat(tempSurface);
SDL_FreeSurface(tempSurface);
// Load sprites
tempSurface = SDL_LoadBMP("ColorLinesData/sprites.bmp");
if (tempSurface == NULL)
return 253; // Unable to load bitmap
g_pSprites = SDL_DisplayFormat(tempSurface);
SDL_FreeSurface(tempSurface);
MenuStart();
while (!g_okQuit)
{
while (SDL_PollEvent(&evt))
{
if (evt.type == SDL_QUIT)
{
g_okQuit = 1;
break;
}
else
{
if (g_GameMode == GAMEMODE_MENU)
MenuProcessEvent(evt);
else
GameProcessEvent(evt);
}
}
if (g_GameMode == GAMEMODE_PLAY)
{
DrawGameScreen();
SDL_Flip(g_pSurface);
}
SDL_Delay(20);
}
SDL_FreeSurface(g_pSprites);
SDL_FreeSurface(g_pFont);
SDL_Quit();
return 0;
}
int GameCheckToRemove()
{
int i, j, c, dx, dy;
int ball, count;
int bestball, bestcount, bestx = 0, besty = 0, bestdx = 0, bestdy = 0;
bestball = BALL_NONE; bestcount = 0;
// Check horizontal lines
for (i = 0; i < 9; i++)
{
ball = BALL_NONE; count = 0;
for (j = 0; j < 9; j++)
{
if (ball != BALL_NONE && g_Board[i][j] == ball)
count++;
else
{
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j - count; besty = i; bestdx = 1; bestdy = 0;
}
ball = g_Board[i][j];
count = 1;
}
}
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j - count; besty = i; bestdx = 1; bestdy = 0;
}
}
// Check vertical lines
for (j = 0; j < 9; j++)
{
ball = BALL_NONE; count = 0;
for (i = 0; i < 9; i++)
{
if (ball != BALL_NONE && g_Board[i][j] == ball)
count++;
else
{
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j; besty = i - count; bestdx = 0; bestdy = 1;
}
ball = g_Board[i][j];
count = 1;
}
}
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j; besty = i - count; bestdx = 0; bestdy = 1;
}
}
// Check diagonal lines: from SW to NE
dx = 1; dy = -1;
for (c = 0; c < 9; c++)
{
i = (c <= 4) ? c + 4 : 8;
j = (c <= 4) ? 0 : c - 4;
ball = BALL_NONE; count = 0;
for (;;)
{
if (ball != BALL_NONE && g_Board[i][j] == ball)
count++;
else
{
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j - count; besty = i + count; bestdx = dx; bestdy = dy;
}
ball = g_Board[i][j];
count = 1;
}
i += dy; j += dx;
if (i >= 9 || j >= 9)
{
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j - count; besty = i + count; bestdx = dx; bestdy = dy;
}
break;
}
}
}
// Check diagonal lines: from NW to SE
dx = 1; dy = 1;
for (c = 0; c < 9; c++)
{
i = (c <= 4) ? 4 - c : 0;
j = (c <= 4) ? 0 : c - 4;
ball = BALL_NONE; count = 0;
for (;;)
{
if (ball != BALL_NONE && g_Board[i][j] == ball)
count++;
else
{
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j - count; besty = i - count; bestdx = dx; bestdy = dy;
}
ball = g_Board[i][j];
count = 1;
}
i += dy; j += dx;
if (i >= 9 || j >= 9)
{
if (count >= 5 && count > bestcount)
{
bestball = ball; bestcount = count;
bestx = j - count; besty = i - count; bestdx = dx; bestdy = dy;
}
break;
}
}
}
if (bestball == BALL_NONE)
return 0; // Balls to remove was not found
// Remove the balls
i = besty; j = bestx;
for (c = 0; c < bestcount; c++)
{
g_Board[i][j] = BALL_NONE;
g_Score += 10;
DrawGameScreen();
SDL_Flip(g_pSurface);
SDL_Delay(25);
i += bestdy; j += bestdx;
}
return 1;
}
