/// <inheritdoc/>
public override void Update(GameTime time)
{
base.Update(time);
if (ManageShadows)
{
InternalActiveShadowMaps.Clear();
InternalActiveShadowMapTextures.Clear();
foreach (var light in Lights)
{
// create new shadow maps
if (light.Value.Light.Shadow != null)
{
CreateShadowMap(light.Value);
}
// TODO: handle shadow maps that does no require to be updated like static shadow maps.
// update shadow maps info
if (light.Value.Light.Enabled && light.Value.Light.Shadow != null && light.Value.Light.Shadow.Enabled && light.Value.ShadowMap.Update)
{
UpdateEntityLightShadow(light.Value);
InternalActiveShadowMaps.Add(light.Value.ShadowMap);
InternalActiveShadowMapTextures.Add(light.Value.ShadowMap.Texture);
}
}
}
}
/// <inheritdoc/>
public override void Update(GameTime time)
{
base.Update(time);
if (ManageShadows)
{
// clear the virtual allocation
foreach (var texture in shadowMapDefaultTextures)
{
texture.GuillotinePacker.Clear(texture.ShadowMapDepthTexture.ViewWidth, texture.ShadowMapDepthTexture.ViewHeight);
texturesDefault[texture] = texture.ShadowMapDepthTexture.ViewWidth * texture.ShadowMapDepthTexture.ViewHeight;
}
foreach (var texture in shadowMapVsmTextures)
{
texture.GuillotinePacker.Clear(texture.ShadowMapDepthTexture.ViewWidth, texture.ShadowMapDepthTexture.ViewHeight);
texturesVsm[texture] = texture.ShadowMapDepthTexture.ViewWidth * texture.ShadowMapDepthTexture.ViewHeight;
}
// sort the textures based on the available size.
shadowMapDefaultTextures.Sort(ShadowMapTextureComparerDefault);
shadowMapVsmTextures.Sort(ShadowMapTextureComparerVsm);
// create shadow maps for new lights
foreach (var light in Lights)
{
// create new shadow maps
if (light.Value.Light.Shadow != null && light.Value.ShadowMap == null)
{
CreateShadowMap(light.Value);
}
// remove shadow maps
if ((light.Value.Light.Shadow == null || !light.Value.Light.Shadow.Enabled) && light.Value.ShadowMap != null)
{
RemoveShadowMap(light.Value);
}
}
FillActiveLightShadowMaps();
InternalActiveShadowMaps.Clear();
InternalActiveShadowMapTextures.Clear();
foreach (var light in activeLightShadowMaps)
{
var shadowMap = (LightShadowMap)light.Light.Shadow;
if (shadowMap.FilterType == LightShadowMapFilterType.Variance)
{
// if it was inserted, sort the shadow maps
if (ChooseShadowMapTexture(light, shadowMapVsmTextures, texturesVsm))
{
shadowMapVsmTextures.Sort(ShadowMapTextureComparerVsm);
InternalActiveShadowMaps.Add(light.ShadowMap);
InternalActiveShadowMapTextures.Add(light.ShadowMap.Texture);
}
}
else
{
// if it was inserted, sort the shadow maps
if (ChooseShadowMapTexture(light, shadowMapDefaultTextures, texturesDefault))
{
shadowMapDefaultTextures.Sort(ShadowMapTextureComparerDefault);
InternalActiveShadowMaps.Add(light.ShadowMap);
InternalActiveShadowMapTextures.Add(light.ShadowMap.Texture);
}
}
}
// update shadow map infos
foreach (var light in activeLightShadowMaps)
{
UpdateEntityLightShadow(light);
}
activeLightShadowMaps.Clear();
// clear the virtual allocation again
foreach (var texture in shadowMapDefaultTextures)
{
texture.GuillotinePacker.Clear(texture.ShadowMapDepthTexture.ViewWidth, texture.ShadowMapDepthTexture.ViewHeight);
}
foreach (var texture in shadowMapVsmTextures)
{
texture.GuillotinePacker.Clear(texture.ShadowMapDepthTexture.ViewWidth, texture.ShadowMapDepthTexture.ViewHeight);
}
}
}
private void RemoveShadowMap(EntityLightShadow data)
{
InternalShadowMaps.Remove(data.ShadowMap);
InternalActiveShadowMaps.Remove(data.ShadowMap);
data.ShadowMap = null;
}
