/// <summary>
/// Gets the collection of parameters from the data.
/// </summary>
/// <returns>The parameter collection.</returns>
public ParameterCollectionData GetCollection()
{
var parameters = new ParameterCollectionData();
parameters.Set(LightingKeys.MaxDirectionalLights, MaxNumDirectionalLight);
parameters.Set(LightingKeys.MaxPointLights, MaxNumPointLight);
parameters.Set(LightingKeys.MaxSpotLights, MaxNumSpotLight);
parameters.Set(LightingKeys.UnrollDirectionalLightLoop, UnrollDirectionalLightLoop);
parameters.Set(LightingKeys.UnrollPointLightLoop, UnrollPointLightLoop);
parameters.Set(LightingKeys.UnrollSpotLightLoop, UnrollSpotLightLoop);
if (ShadowConfigurations != null && ShadowConfigurations.Groups != null && ShadowConfigurations.Groups.Count > 0)
{
var shadow = new List <ShadowMapParameters>();
foreach (var shadowConfig in ShadowConfigurations.Groups)
{
var shadowParams = new ShadowMapParameters();
shadowParams.Set(ShadowMapParameters.LightType, shadowConfig.LightType);
shadowParams.Set(ShadowMapParameters.ShadowMapCount, shadowConfig.ShadowCount);
shadowParams.Set(ShadowMapParameters.ShadowMapCascadeCount, shadowConfig.LightType == LightType.Directional ? shadowConfig.CascadeCount : 1);
shadowParams.Set(ShadowMapParameters.FilterType, shadowConfig.FilterType);
shadow.Add(shadowParams);
}
parameters.Set(ShadowMapParameters.ShadowMaps, shadow.ToArray());
}
return(parameters);
}
private static void CreateParametersFromLightingConfiguration(LightingConfiguration config, ParameterCollection parameters)
{
// Apply parameters for effect change
parameters.Set(LightingKeys.MaxDirectionalLights, config.MaxNumDirectionalLight);
parameters.Set(LightingKeys.MaxPointLights, config.MaxNumPointLight);
parameters.Set(LightingKeys.MaxSpotLights, config.MaxNumSpotLight);
// TODO: cache some objects since it is done at each frame
// TODO: try to reuse the parameter collections?
if (config.ShadowConfigurations != null)
{
var groupCount = 0;
foreach (var group in config.ShadowConfigurations.Groups)
{
groupCount += (group.ShadowCount > 0 ? 1 : 0);
}
if (groupCount == 0)
{
parameters.Remove(ShadowMapParameters.ShadowMaps);
return;
}
var shadowMapParameters = new ShadowMapParameters[groupCount];
var index = 0;
for (var i = 0; i < config.ShadowConfigurations.Groups.Count; ++i)
{
if (config.ShadowConfigurations.Groups[i].ShadowCount > 0)
{
var shadowParams = new ShadowMapParameters();
shadowParams.Set(ShadowMapParameters.LightType, config.ShadowConfigurations.Groups[i].LightType);
shadowParams.Set(ShadowMapParameters.ShadowMapCount, config.ShadowConfigurations.Groups[i].ShadowCount);
shadowParams.Set(ShadowMapParameters.ShadowMapCascadeCount, config.ShadowConfigurations.Groups[i].CascadeCount);
shadowParams.Set(ShadowMapParameters.FilterType, config.ShadowConfigurations.Groups[i].FilterType);
shadowMapParameters[index] = shadowParams;
++index;
}
}
parameters.Set(ShadowMapParameters.ShadowMaps, shadowMapParameters);
}
else
{
parameters.Remove(ShadowMapParameters.ShadowMaps);
}
//mesh.SharedParameters.Set(LightingKeys.UnrollDirectionalLightLoop, foundConfiguration.UnrollDirectionalLightLoop);
//mesh.SharedParameters.Set(LightingKeys.UnrollPointLightLoop, foundConfiguration.UnrollPointLightLoop);
//mesh.SharedParameters.Set(LightingKeys.UnrollSpotLightLoop, foundConfiguration.UnrollSpotLightLoop);
}
