Sprite* SpriteManager::CreateSprite(const std::string& filename, int x, int y, int w, int h)
{
// first we search for if the texture is already loaded
auto it = m_textures.find(filename);
if (it == m_textures.end())
{
// if not, we create a new one
SDL_Surface* surface = IMG_Load(filename.c_str());
SDL_Surface* optimizedSurface;
if (surface != nullptr)
{
optimizedSurface = SDL_ConvertSurfaceFormat(surface, SDL_PIXELFORMAT_ABGR4444, 0);
SDL_FreeSurface(surface);
SDL_Texture* texture = SDL_CreateTextureFromSurface(m_renderer, optimizedSurface);
// we save the texture in the map for later reuse
m_textures.insert(std::pair<std::string, SDL_Texture*>(filename, texture));
// we can destroy the surface
// since we now have a texture
// that we use instead
if (optimizedSurface != nullptr)
{
SDL_FreeSurface(optimizedSurface);
}
else
{
const char* error = SDL_GetError();
}
// now we get the texture so we can return it with a sprite
it = m_textures.find(filename);
}
}
// then we create a new sprite
// with the texture associated
Sprite* sprite = new Sprite(it->second);
sprite->GetRegion()->x = x;
sprite->GetRegion()->y = y;
sprite->GetRegion()->w = w;
sprite->GetRegion()->h = h;
m_sprites.push_back(sprite);
// return the newly newed sprite
return sprite;
}
void GameState::Enter()
{
////////////////////
Sprite* xSprite = m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp", 0, 0, 21, 8);
SDL_Rect* xRect = xSprite->GetRegion();
int iHeight = xRect->h;
//Playership
m_pxPlayerShip = new PlayerShip(m_xSystem.m_pxKeyboard, xSprite, m_xSystem.m_iScreenWidth / 2,
m_xSystem.m_iScreenHeight - 20 - iHeight, m_xSystem.m_iScreenWidth);
//Player projectile
m_pxProjectile = new Projectile(m_xSystem.m_pxKeyboard,
m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp", 0, 10, 1, 4),
m_xSystem.m_iScreenWidth,
m_xSystem.m_iScreenHeight);
//Invaders
SDL_Rect blockCoords[] =
{
{23, 0, 21, 8},
{46, 0, 21, 8},
{69, 0, 21, 8}
};
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 5; j++)
{
SDL_Rect& rect = blockCoords[j % 3];
Alien* pxAlien = new Alien(
m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp", rect.x, rect.y, rect.w, rect.h),
10 + i * 50.0f,
10 + j * 20);
m_apxAlien.push_back(pxAlien);
}
}
//Alien rektangel hitbox.
auto rectit = m_apxAlien.begin();
auto endrect = m_apxAlien.rbegin();
int x = (*rectit)->GetX();
int y = (*rectit)->GetY();
int w = (*endrect)->GetX() + (*endrect)->GetSprite()->GetRegion()->w;
int h = (*endrect)->GetY() + (*endrect)->GetSprite()->GetRegion()->h;
m_pxAlienRect = new AlienRect(m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp",
0, 40, w, h), x, y, w, h);
//Alien skott
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 5; j++)
{
m_pxAlienProj = new AlienProj(m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp",
3, 9, 2, 6),
10 + i * 50.0f,
10 + j *20);
m_apxAlienP.push_back(m_pxAlienProj);
}
}
//Skydd
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
for (int x = 0; x < 7; x++)
{
m_pxCover = new Cover(m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp",
0, 27, 5, 9),
100 + (i*125.0f) + x*6,
400 + j * 9.0f);
m_apxCover.push_back(m_pxCover);
}
}
}
Sprite* xSpriteText = m_xSystem.m_pxSpriteManager->CreateSprite("../assets/main.bmp", 92, 0, 76, 21);
m_pxLoseText = new LoseText(xSpriteText, m_xSystem.m_iScreenWidth / 2,
m_xSystem.m_iScreenHeight / 2);
}