public ShadowMapResolver(GraphicsDevice graphicsDevice, LightsFX lightsFX, int resolverRadius)
{
this.graphicsDevice = graphicsDevice;
this.lightsFX = lightsFX;
this.resolverRadiusDesired = resolverRadius;
int resolverRadiusModified = this.resolverRadiusDesired;
bool reductionPlanCreated = false;
List<ShadowMapReductionStep> listReductionSteps = new List<ShadowMapReductionStep>();
int emergencyBreak = 10;
while (reductionPlanCreated == false)
{
if (reductionPlanCreated)
break;
this.effectiveResolverMapSize = resolverRadiusModified * 2;
listReductionSteps.Clear();
int resolverMapSizeToReduce = this.effectiveResolverMapSize;
for (int i = 0; i < 10; i++)
{
bool reductionStepFound = false;
for (int ii = ShadowMapResolver.ReductionPower; ii > 1; ii--)
{
if (this.CheckReductionStep(ref resolverMapSizeToReduce, ii, listReductionSteps))
{
reductionStepFound = true;
break;
}
}
if (reductionStepFound == false)
break;
if (resolverMapSizeToReduce == 2)
{
reductionPlanCreated = true;
break;
}
}
emergencyBreak--;
resolverRadiusModified++;
if (emergencyBreak == 0 && reductionPlanCreated == false)
throw new Exception("It has been impossible to create a shadow map resolver with radius " + resolverRadius);
}
this.reductionSteps = listReductionSteps.ToArray();
this.lightRadiusEffective = resolverRadiusModified;
this.shadowMapResolverSize = this.lightRadiusEffective * 2;
shadowMapDistorted = new RenderTarget2D(graphicsDevice, this.shadowMapResolverSize, this.shadowMapResolverSize, false, ShadowMapResolver.SurfaceLight, DepthFormat.None);
distancesRT = new RenderTarget2D(graphicsDevice, this.shadowMapResolverSize, this.shadowMapResolverSize, false, ShadowMapResolver.SurfaceLight, DepthFormat.None);
shadowMapDigested = new RenderTarget2D(graphicsDevice, 2, this.shadowMapResolverSize, false, ShadowMapResolver.SurfaceLight, DepthFormat.None);
shadowsRT = new RenderTarget2D(graphicsDevice, this.shadowMapResolverSize, this.shadowMapResolverSize, false, ShadowMapResolver.SurfaceLight, DepthFormat.None);
processedShadowsRT = new RenderTarget2D(graphicsDevice, this.shadowMapResolverSize, this.shadowMapResolverSize, false, ShadowMapResolver.SurfaceLight, DepthFormat.None);
}
public void LoadContent(ContentManager content, GraphicsDevice gd, SpriteBatch sb)
{
for (int i = 0; i < PrintedLight.Length; i++)
{
PrintedLight[i] = new RenderTarget2D(gd, 750, 750);
BeamLight[i] = new RenderTarget2D(gd, 750, 750);
}
#if OPENGL
LFX = new LightsFX(
content.Load<Effect>("resolveShadowsEffect.mgfxo"),
content.Load<Effect>("reductionEffect.mgfxo"),
content.Load<Effect>("2xMultiBlend.mgfxo"));
#else
LFX = new LightsFX(
content.Load<Effect>("resolveShadowsEffect"),
content.Load<Effect>("reductionEffect"),
content.Load<Effect>("2xMultiBlend"));
#endif
ShadowmapResolver = new ShadowMapResolver(gd, LFX, 128);
ShadowMap = new ShadowCasterMap(PrecisionSettings.VeryHigh, gd, sb);
ScreenLights = new RenderTarget2D(gd, gd.Viewport.Width, gd.Viewport.Height);
ScreenGround = new RenderTarget2D(gd, gd.Viewport.Width, gd.Viewport.Height);
BeamStencils.Add(BeamStencilType.Wide, content.Load<Texture2D>("lights/beamwide"));
BeamStencils.Add(BeamStencilType.Narrow, content.Load<Texture2D>("lights/beamnarrow"));
SpotStencils.Add(SpotStencilType.Full, Tuple.Create<Texture2D, Texture2D, RenderTarget2D>(content.Load<Texture2D>("lights/spotbg"), content.Load<Texture2D>("lights/spotfg"), new RenderTarget2D(gd, content.Load<Texture2D>("lights/spotbg").Width, content.Load<Texture2D>("lights/spotbg").Height)));
SpotStencils.Add(SpotStencilType.Half, Tuple.Create<Texture2D, Texture2D, RenderTarget2D>(content.Load<Texture2D>("lights/spotbg"), content.Load<Texture2D>("lights/spothalf"), new RenderTarget2D(gd, content.Load<Texture2D>("lights/spotbg").Width, content.Load<Texture2D>("lights/spotbg").Height)));
spotBS = new BlendState()
{
ColorSourceBlend = Blend.DestinationColor,
ColorDestinationBlend = Blend.SourceColor,
ColorBlendFunction = BlendFunction.Add,
};
}