// Draw all tiles, from start to end position
void TileManager::DrawAllTilesAt(
BaseEngine* pEngine,
SDL_Surface* pSurface,
int iMapXStart, int iMapYStart,
int iMapXEnd, int iMapYEnd,
int iStartPositionScreenX, int iStartPositionScreenY ) const
{
for ( int iTX = iMapXStart ; iTX <= iMapXEnd ; iTX++ )
for ( int iTY = iMapYStart ; iTY <= iMapYEnd ; iTY++ )
{
DrawTileAt( pEngine, pSurface,
iTX, iTY,
iStartPositionScreenX+GetTileWidth()*(iTX-iMapXStart),
iStartPositionScreenY+GetTileHeight()*(iTY-iMapYStart) );
}
}
// Draw all tiles, from start to end position
void TileManager::UpdateTileAt(
BaseEngine* pEngine,
int iMapX, int iMapY,
int iNewTileValue,
int iScreenLeftTilePosition,
int iScreenTopTilePosition )
{
// Set the new Tile value
SetValue( iMapX, iMapY, iNewTileValue );
// Draw the tile to the background
DrawTileAt( pEngine, pEngine->GetBackground(),
iMapX, iMapY,
iScreenLeftTilePosition, iScreenTopTilePosition );
// Copy the background to the foreground
pEngine->CopyBackgroundPixels(
iScreenLeftTilePosition, iScreenTopTilePosition,
GetTileWidth(), GetTileHeight() );
}
// Draw all tiles, from start to end position
void TileManager::UpdateTileAt(
BaseEngine* pEngine,
int iMapX, int iMapY,
int iNewTileValue,
int iScreenLeftTilePosition,
int iScreenTopTilePosition )
{
// Set the new Tile value
SetValue( iMapX, iMapY, iNewTileValue );
// Draw the tile to the background
DrawTileAt( pEngine, pEngine->GetBackground(),
iMapX, iMapY,
iScreenLeftTilePosition, iScreenTopTilePosition );
// Copy the background to the foreground
pEngine->CopyBackgroundPixels(
iScreenLeftTilePosition, iScreenTopTilePosition,
GetTileWidth(), GetTileHeight() );
// Update the screen - so that it gets redrawn
SDL_Rect* pRect = pEngine->GetNextUpdateRect();
pRect->x = iScreenLeftTilePosition;
pRect->y = iScreenTopTilePosition;
pRect->h = GetTileHeight();
pRect->w = GetTileWidth();
}
