public void UpdateTextureAtlasOffset(int index, Render.ISprite sprite, Position maskSpriteTextureAtlasOffset = null)
{
if (textureAtlasOffsetBuffer == null)
{
return;
}
textureAtlasOffsetBuffer.Update(index, (short)sprite.TextureAtlasOffset.X, (short)sprite.TextureAtlasOffset.Y);
textureAtlasOffsetBuffer.Update(index + 1, (short)(sprite.TextureAtlasOffset.X + sprite.Width), (short)sprite.TextureAtlasOffset.Y);
textureAtlasOffsetBuffer.Update(index + 2, (short)(sprite.TextureAtlasOffset.X + sprite.Width), (short)(sprite.TextureAtlasOffset.Y + sprite.Height));
textureAtlasOffsetBuffer.Update(index + 3, (short)sprite.TextureAtlasOffset.X, (short)(sprite.TextureAtlasOffset.Y + sprite.Height));
if (Masked && maskSpriteTextureAtlasOffset != null)
{
maskTextureAtlasOffsetBuffer.Update(index, (short)maskSpriteTextureAtlasOffset.X, (short)maskSpriteTextureAtlasOffset.Y);
maskTextureAtlasOffsetBuffer.Update(index + 1, (short)(maskSpriteTextureAtlasOffset.X + sprite.Width), (short)maskSpriteTextureAtlasOffset.Y);
maskTextureAtlasOffsetBuffer.Update(index + 2, (short)(maskSpriteTextureAtlasOffset.X + sprite.Width), (short)(maskSpriteTextureAtlasOffset.Y + sprite.Height));
maskTextureAtlasOffsetBuffer.Update(index + 3, (short)maskSpriteTextureAtlasOffset.X, (short)(maskSpriteTextureAtlasOffset.Y + sprite.Height));
}
}
public int GetDrawIndex(Render.ISprite sprite, Render.PositionTransformation positionTransformation,
Render.SizeTransformation sizeTransformation, Position maskSpriteTextureAtlasOffset = null)
{
var position = new Position(sprite.X, sprite.Y);
var size = new Size(sprite.Width, sprite.Height);
if (positionTransformation != null)
{
position = positionTransformation(position);
}
if (sizeTransformation != null)
{
size = sizeTransformation(size);
}
int index = positionBuffer.Add((short)position.X, (short)position.Y);
positionBuffer.Add((short)(position.X + size.Width), (short)position.Y, index + 1);
positionBuffer.Add((short)(position.X + size.Width), (short)(position.Y + size.Height), index + 2);
positionBuffer.Add((short)position.X, (short)(position.Y + size.Height), index + 3);
indexBuffer.InsertQuad(index / 4);
if (textureAtlasOffsetBuffer != null)
{
int textureAtlasOffsetBufferIndex = textureAtlasOffsetBuffer.Add((short)sprite.TextureAtlasOffset.X, (short)sprite.TextureAtlasOffset.Y);
if (textureAtlasOffsetBufferIndex != index)
{
throw new System.Exception("Invalid index");
}
textureAtlasOffsetBuffer.Add((short)(sprite.TextureAtlasOffset.X + sprite.Width), (short)sprite.TextureAtlasOffset.Y, textureAtlasOffsetBufferIndex + 1);
textureAtlasOffsetBuffer.Add((short)(sprite.TextureAtlasOffset.X + sprite.Width), (short)(sprite.TextureAtlasOffset.Y + sprite.Height), textureAtlasOffsetBufferIndex + 2);
textureAtlasOffsetBuffer.Add((short)sprite.TextureAtlasOffset.X, (short)(sprite.TextureAtlasOffset.Y + sprite.Height), textureAtlasOffsetBufferIndex + 3);
}
if (Masked && maskSpriteTextureAtlasOffset != null)
{
int maskTextureAtlasOffsetBufferIndex = maskTextureAtlasOffsetBuffer.Add((short)maskSpriteTextureAtlasOffset.X, (short)maskSpriteTextureAtlasOffset.Y);
if (maskTextureAtlasOffsetBufferIndex != index)
{
throw new System.Exception("Invalid index");
}
maskTextureAtlasOffsetBuffer.Add((short)(maskSpriteTextureAtlasOffset.X + sprite.Width), (short)maskSpriteTextureAtlasOffset.Y, maskTextureAtlasOffsetBufferIndex + 1);
maskTextureAtlasOffsetBuffer.Add((short)(maskSpriteTextureAtlasOffset.X + sprite.Width), (short)(maskSpriteTextureAtlasOffset.Y + sprite.Height), maskTextureAtlasOffsetBufferIndex + 2);
maskTextureAtlasOffsetBuffer.Add((short)maskSpriteTextureAtlasOffset.X, (short)(maskSpriteTextureAtlasOffset.Y + sprite.Height), maskTextureAtlasOffsetBufferIndex + 3);
}
if (Shape != Shape.Triangle && baseLineBuffer != null)
{
ushort baseLine = (ushort)(position.Y + size.Height + sprite.BaseLineOffset);
int baseLineBufferIndex = baseLineBuffer.Add(baseLine);
if (baseLineBufferIndex != index)
{
throw new System.Exception("Invalid index");
}
baseLineBuffer.Add(baseLine, baseLineBufferIndex + 1);
baseLineBuffer.Add(baseLine, baseLineBufferIndex + 2);
baseLineBuffer.Add(baseLine, baseLineBufferIndex + 3);
}
if (layerBuffer != null)
{
byte layer = (sprite is Render.ILayerSprite) ? (sprite as Render.ILayerSprite).DisplayLayer : (byte)0;
int layerBufferIndex = layerBuffer.Add(layer);
if (layerBufferIndex != index)
{
throw new System.Exception("Invalid index");
}
layerBuffer.Add(layer, layerBufferIndex + 1);
layerBuffer.Add(layer, layerBufferIndex + 2);
layerBuffer.Add(layer, layerBufferIndex + 3);
}
return(index);
}
