private Subtexture pickTexture(Map.Terrain tileType)
{
switch (tileType)
{
case Map.Terrain.UNKNOWN:
return(unknownTileSubtex);
break;
case Map.Terrain.LAND:
return(baseTileSubtex);
break;
default:
return(null);
}
}
// TODO: call this after leveling the ground near the border etc (is this even possible?)
// e.g. when map height changes
// also used on initialization
internal void UpdateAppearance()
{
int height1 = (int)map.GetHeight(position);
int height2 = (int)map.GetHeight(map.Move(position, direction));
int heightDifference = height2 - height1;
Map.Terrain terrain1 = Map.Terrain.Water0;
Map.Terrain terrain2 = Map.Terrain.Water0;
int height3, height4, heightDifference2 = 0;
offsetX = 0;
offsetY = 4 * height1;
switch (direction)
{
case Direction.Right:
offsetX += RenderMap.TILE_WIDTH / 2;
offsetY -= 2 * (height1 + height2) + 4;
terrain1 = map.TypeDown(position);
terrain2 = map.TypeUp(map.MoveUp(position));
height3 = (int)map.GetHeight(map.MoveUp(position));
height4 = (int)map.GetHeight(map.MoveDownRight(position));
heightDifference2 = height3 - height4 - 4 * heightDifference;
break;
case Direction.DownRight:
offsetX += RenderMap.TILE_WIDTH / 4;
offsetY -= 2 * (height1 + height2) - 6;
terrain1 = map.TypeUp(position);
terrain2 = map.TypeDown(position);
height3 = (int)map.GetHeight(map.MoveRight(position));
height4 = (int)map.GetHeight(map.MoveDown(position));
heightDifference2 = 2 * (height3 - height4);
break;
case Direction.Down:
offsetX -= RenderMap.TILE_WIDTH / 4;
offsetY -= 2 * (height1 + height2) - 6;
terrain1 = map.TypeUp(position);
terrain2 = map.TypeDown(map.MoveLeft(position));
height3 = (int)map.GetHeight(map.MoveLeft(position));
height4 = (int)map.GetHeight(map.MoveDown(position));
heightDifference2 = 4 * heightDifference - height3 + height4;
break;
default:
Debug.NotReached();
break;
}
spriteIndex = 0;
var type = (Map.Terrain)Math.Max((int)terrain1, (int)terrain2);
if (heightDifference2 > 1)
{
spriteIndex = 0;
}
else if (heightDifference2 > -9)
{
spriteIndex = 1;
}
else
{
spriteIndex = 2;
}
if (type <= Map.Terrain.Water3)
{
spriteIndex = 9; // Bouy
}
else if (type >= Map.Terrain.Snow0)
{
spriteIndex += 6;
}
else if (type >= Map.Terrain.Desert0)
{
spriteIndex += 3;
}
var textureAtlas = TextureAtlasManager.Instance.GetOrCreate(Layer.Objects);
var info = dataSource.GetSpriteInfo(Data.Resource.MapBorder, (uint)spriteIndex);
sprite.Resize(info.Width, info.Height);
sprite.TextureAtlasOffset = textureAtlas.GetOffset(20000u + (uint)spriteIndex);
}
