void GameDoLogic(bool* Continue, bool* Error, Uint32 Milliseconds)
{
(void)Continue;
(void)Error;
if (Pause) return;
cpSpaceStep(space.Space, Milliseconds * 0.001);
CameraUpdate(&camera, PlayerMiddleY(), Milliseconds);
bool hasPlayers = false;
for (int i = 0; i < MAX_PLAYERS; i++)
{
Player *p = &players[i];
if (!p->Enabled) continue;
PlayerUpdate(p, Milliseconds);
// Check if the player needs to be respawned
if (p->RespawnCounter == 0 && !p->Alive && space.Gaps.size > 0)
{
SpaceRespawnPlayer(&space, p);
}
if (!p->Alive)
{
// Check if any players are past ones that await reenabling
if (p->RespawnCounter == -1 && PlayerMinY() < p->y)
{
PlayerRevive(p);
}
else
{
continue;
}
}
hasPlayers = true;
// Check player pickups
if (PickupsCollide(p->x, p->y, PLAYER_RADIUS))
{
PlayerScore(p, false);
}
// Players that hit the top of the screen die
if (cpBodyGetPosition(p->Body).y + PLAYER_RADIUS >=
camera.Y + FIELD_HEIGHT / 2)
{
PlayerKill(p);
}
}
// If no players left alive, end the game
if (!hasPlayers)
{
ToTitleScreen(false);
}
SpaceUpdate(&space, PlayerMinY(), camera.Y, PlayerMaxY(), &players[0]);
ParticlesUpdate(Milliseconds);
// Players that hit the top of the screen die
if (PlayerMaxY() + PLAYER_RADIUS >= camera.Y + FIELD_HEIGHT / 2)
{
ToTitleScreen(false);
}
}
void Initialize(bool* Continue, bool* Error)
{
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0)
{
*Continue = false; *Error = true;
printf("SDL initialisation failed: %s\n", SDL_GetError());
SDL_ClearError();
return;
}
else
printf("SDL initialisation succeeded\n");
Screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 32, SDL_HWSURFACE |
#ifdef SDL_TRIPLEBUF
SDL_TRIPLEBUF
#else
SDL_DOUBLEBUF
#endif
);
if (Screen == NULL)
{
*Continue = false; *Error = true;
printf("SDL_SetVideoMode failed: %s\n", SDL_GetError());
SDL_ClearError();
return;
}
else
printf("SDL_SetVideoMode succeeded\n");
SDL_ShowCursor(0);
uint32_t i;
for (i = 0; i < BG_LAYER_COUNT; i++)
{
BackgroundImages[i] = IMG_Load(BackgroundImageNames[i]);
if (!CheckImage(Continue, Error, BackgroundImages[i], BackgroundImageNames[i]))
return;
if ((BackgroundImages[i] = ConvertSurface(Continue, Error, BackgroundImages[i], BackgroundImageNames[i])) == NULL)
return;
}
CharacterFrames = IMG_Load("Bee.png");
if (!CheckImage(Continue, Error, CharacterFrames, "Bee.png"))
return;
if ((CharacterFrames = ConvertSurface(Continue, Error, CharacterFrames, "Bee.png")) == NULL)
return;
CollisionImage = IMG_Load("Crash.png");
if (!CheckImage(Continue, Error, CollisionImage, "Crash.png"))
return;
if ((CollisionImage = ConvertSurface(Continue, Error, CollisionImage, "Crash.png")) == NULL)
return;
ColumnImage = IMG_Load("Bamboo.png");
if (!CheckImage(Continue, Error, ColumnImage, "Bamboo.png"))
return;
if ((ColumnImage = ConvertSurface(Continue, Error, ColumnImage, "Bamboo.png")) == NULL)
return;
InitializePlatform();
// Title screen. (-> title.c)
ToTitleScreen();
}
