public void Dispose()
{
sector = null;
lightInfo = null;
if (textureSpread != null)
{
textureSpread.Dispose();
}
}
public SectorLightData(sector_t in_sector, Game1.Floorlightinfo in_lightInfo)
{
sector = in_sector;
lightInfo = in_lightInfo;
lightInfo.makeColor();
// Generate the stuff
float bbminX = 100000;
float bbminY = 100000;
float bbmaxX = -100000;
float bbmaxY = -100000;
sector.floorBatch.boundingBox(ref bbminX, ref bbminY, ref bbmaxX, ref bbmaxY);
int texW = Math.Max(1, (int)Math.Ceiling(((bbmaxX - bbminX) / PRECISION) + lightInfo.spread * 16 + 4));
int texH = Math.Max(1, (int)Math.Ceiling(((bbmaxY - bbminY) / PRECISION) + lightInfo.spread * 16 + 4));
int pow2 = 1; while (pow2 < texW)
{
pow2 *= 2;
}
texW = pow2;
pow2 = 1; while (pow2 < texH)
{
pow2 *= 2;
}
texH = pow2;
// Center it
limits.X = ((bbmaxX + bbminX) - ((float)texW * PRECISION)) * .5f;
limits.Y = ((bbmaxY + bbminY) - ((float)texH * PRECISION)) * .5f;
limits.Z = limits.X + (float)texW * PRECISION;
limits.W = limits.Y + (float)texH * PRECISION;
textureSpread = new RenderTarget2D(Game1.instance.GraphicsDevice, texW, texH);
RenderTarget2D textureTemp = new RenderTarget2D(Game1.instance.GraphicsDevice, texW, texH);
Game1.instance.fxSectorLightInfo.Parameters["texSize"].SetValue(new Vector2((float)texW, (float)texH));
Game1.instance.fxSectorLightInfo.Parameters["spread"].SetValue(lightInfo.spread);
// Render to target the sector
Game1.instance.GraphicsDevice.SetRenderTarget(textureSpread);
Game1.instance.GraphicsDevice.Clear(Color.Transparent);
Game1.instance.fxSectorLightInfo.CurrentTechnique = Game1.instance.fxSectorLightInfo.Techniques["TechniquePlain"];
Game1.instance.fxSectorLightInfo.Parameters["World"].SetValue(Matrix.Identity);
Game1.instance.fxSectorLightInfo.Parameters["View"].SetValue(Matrix.Identity);
Game1.instance.fxSectorLightInfo.Parameters["Projection"].SetValue(Matrix.CreateOrthographicOffCenter(limits.X, limits.Z, limits.Y, limits.W, -999, 999));
Game1.instance.fxSectorLightInfo.CurrentTechnique.Passes[0].Apply();
Game1.instance.GraphicsDevice.SetVertexBuffer(sector.floorBatch.vb);
Game1.instance.GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, sector.floorBatch.triCount);
Game1.instance.GraphicsDevice.SetRenderTargets(null);
// Grow the texels for the base, and start bluring for the spread
Game1.instance.GraphicsDevice.SetRenderTarget(textureTemp);
Game1.instance.GraphicsDevice.Clear(Color.Transparent);
Game1.instance.spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, SamplerState.PointClamp, DepthStencilState.None, RasterizerState.CullNone,
Game1.instance.fxSectorLightInfo);
Game1.instance.fxSectorLightInfo.CurrentTechnique = Game1.instance.fxSectorLightInfo.Techniques["TechniqueBlurU"];
Game1.instance.spriteBatch.Draw(textureSpread, new Rectangle(0, 0, textureSpread.Width, textureSpread.Height), Color.White);
Game1.instance.spriteBatch.End();
Game1.instance.GraphicsDevice.SetRenderTargets(null);
// Lastly blur in V to finalize it
Game1.instance.GraphicsDevice.SetRenderTarget(textureSpread);
Game1.instance.GraphicsDevice.Clear(Color.Transparent);
Game1.instance.spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, SamplerState.PointClamp, DepthStencilState.None, RasterizerState.CullNone,
Game1.instance.fxSectorLightInfo);
Game1.instance.fxSectorLightInfo.CurrentTechnique = Game1.instance.fxSectorLightInfo.Techniques["TechniqueBlurV"];
Game1.instance.spriteBatch.Draw(textureTemp, new Rectangle(0, 0, textureTemp.Width, textureTemp.Height), Color.White);
Game1.instance.spriteBatch.End();
Game1.instance.GraphicsDevice.SetRenderTargets(null);
textureTemp.Dispose();
}
