private void RecreateTexturedBackground(ref TileMapLayer layer)
{
int w = layer.LayoutWidth;
int h = layer.Layout.Length / w;
cachedTexturedBackgroundAnimated = false;
Texture renderTarget;
if (cachedTexturedBackground != null)
{
renderTarget = cachedTexturedBackground.Res;
}
else
{
renderTarget = new Texture(w * 32, h * 32, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Linear, TextureMinFilter.Linear, TextureWrapMode.Repeat, TextureWrapMode.Repeat);
switch (layer.BackgroundStyle)
{
case BackgroundStyle.Sky:
default:
texturedBackgroundShader = ContentResolver.Current.RequestShader("TexturedBackground");
break;
case BackgroundStyle.Circle:
texturedBackgroundShader = ContentResolver.Current.RequestShader("TexturedBackgroundCircle");
break;
}
}
using (DrawDevice device = new DrawDevice()) {
device.VisibilityMask = VisibilityFlag.AllFlags;
device.RenderMode = RenderMatrix.ScreenSpace;
device.Target = new RenderTarget(AAQuality.Off, false, renderTarget);
device.TargetSize = new Vector2(w * 32, h * 32);
device.ViewportRect = new Rect(device.TargetSize);
device.PrepareForDrawcalls();
Material material = null;
Texture texture = null;
// Reserve the required space for vertex data in our locally cached buffer
int neededVertices = 4 * w * h;
VertexC1P3T2[] vertexData = new VertexC1P3T2[neededVertices];
int vertexBaseIndex = 0;
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
LayerTile tile = layer.Layout[x + y * layer.LayoutWidth];
Point2 offset;
bool isFlippedX, isFlippedY;
if (tile.IsAnimated)
{
if (tile.TileID < animatedTiles.Count)
{
offset = animatedTiles[tile.TileID].CurrentTile.MaterialOffset;
isFlippedX = (animatedTiles[tile.TileID].CurrentTile.IsFlippedX != tile.IsFlippedX);
isFlippedY = (animatedTiles[tile.TileID].CurrentTile.IsFlippedY != tile.IsFlippedY);
cachedTexturedBackgroundAnimated = true;
}
else
{
continue;
}
}
else
{
offset = tile.MaterialOffset;
isFlippedX = tile.IsFlippedX;
isFlippedY = tile.IsFlippedY;
}
if (material != tile.Material)
{
// Submit all the vertices as one draw batch
device.AddVertices(
material,
VertexMode.Quads,
vertexData,
0,
vertexBaseIndex);
vertexBaseIndex = 0;
material = tile.Material.Res;
texture = material.MainTexture.Res;
}
Rect uvRect = new Rect(
offset.X * texture.UVRatio.X / texture.ContentWidth,
offset.Y * texture.UVRatio.Y / texture.ContentHeight,
tileset.TileSize * texture.UVRatio.X / texture.ContentWidth,
tileset.TileSize * texture.UVRatio.Y / texture.ContentHeight
);
if (isFlippedX)
{
uvRect.X += uvRect.W;
uvRect.W *= -1;
}
if (isFlippedY)
{
uvRect.Y += uvRect.H;
uvRect.H *= -1;
}
Vector3 renderPos = new Vector3(x * 32, y * 32, 0);
float scale = 1.0f;
device.PreprocessCoords(ref renderPos, ref scale);
renderPos.X = MathF.Round(renderPos.X);
renderPos.Y = MathF.Round(renderPos.Y);
if (MathF.RoundToInt(device.TargetSize.X) != (MathF.RoundToInt(device.TargetSize.X) / 2) * 2)
{
renderPos.X += 0.5f;
}
if (MathF.RoundToInt(device.TargetSize.Y) != (MathF.RoundToInt(device.TargetSize.Y) / 2) * 2)
{
renderPos.Y += 0.5f;
}
Vector2 tileXStep = new Vector2(32, 0);
Vector2 tileYStep = new Vector2(0, 32);
vertexData[vertexBaseIndex + 0].Pos.X = renderPos.X;
vertexData[vertexBaseIndex + 0].Pos.Y = renderPos.Y;
vertexData[vertexBaseIndex + 0].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 0].TexCoord.X = uvRect.X;
vertexData[vertexBaseIndex + 0].TexCoord.Y = uvRect.Y;
vertexData[vertexBaseIndex + 0].Color = ColorRgba.White;
vertexData[vertexBaseIndex + 1].Pos.X = renderPos.X + tileYStep.X;
vertexData[vertexBaseIndex + 1].Pos.Y = renderPos.Y + tileYStep.Y;
vertexData[vertexBaseIndex + 1].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 1].TexCoord.X = uvRect.X;
vertexData[vertexBaseIndex + 1].TexCoord.Y = uvRect.Y + uvRect.H;
vertexData[vertexBaseIndex + 1].Color = ColorRgba.White;
vertexData[vertexBaseIndex + 2].Pos.X = renderPos.X + tileXStep.X + tileYStep.X;
vertexData[vertexBaseIndex + 2].Pos.Y = renderPos.Y + tileXStep.Y + tileYStep.Y;
vertexData[vertexBaseIndex + 2].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 2].TexCoord.X = uvRect.X + uvRect.W;
vertexData[vertexBaseIndex + 2].TexCoord.Y = uvRect.Y + uvRect.H;
vertexData[vertexBaseIndex + 2].Color = ColorRgba.White;
vertexData[vertexBaseIndex + 3].Pos.X = renderPos.X + tileXStep.X;
vertexData[vertexBaseIndex + 3].Pos.Y = renderPos.Y + tileXStep.Y;
vertexData[vertexBaseIndex + 3].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 3].TexCoord.X = uvRect.X + uvRect.W;
vertexData[vertexBaseIndex + 3].TexCoord.Y = uvRect.Y;
vertexData[vertexBaseIndex + 3].Color = ColorRgba.White;
vertexBaseIndex += 4;
}
}
device.AddVertices(
material,
VertexMode.Quads,
vertexData,
0,
vertexBaseIndex);
device.Render();
}
cachedTexturedBackground = renderTarget;
}
