public static void AddShadowCasterGroupToList(ShadowCasterGroup2D shadowCaster, List <ShadowCasterGroup2D> list)
{
int positionToInsert = 0;
for (positionToInsert = 0; positionToInsert < list.Count; positionToInsert++)
{
if (shadowCaster.GetShadowGroup() == list[positionToInsert].GetShadowGroup())
{
break;
}
}
list.Insert(positionToInsert, shadowCaster);
}
static private void RenderShadows(CommandBuffer cmdBuffer, int layerToRender, Light2D light, float shadowIntensity, RenderTargetIdentifier renderTexture, RenderTargetIdentifier depthTexture)
{
cmdBuffer.SetGlobalFloat("_ShadowIntensity", 1 - light.shadowIntensity);
cmdBuffer.SetGlobalFloat("_ShadowVolumeIntensity", 1 - light.shadowVolumeIntensity);
if (shadowIntensity > 0)
{
CreateShadowRenderTexture(cmdBuffer, light.blendStyleIndex);
cmdBuffer.SetRenderTarget(s_ShadowsRenderTarget.Identifier()); // This isn't efficient if this light doesn't cast shadow.
cmdBuffer.ClearRenderTarget(true, true, Color.black);
BoundingSphere lightBounds = light.GetBoundingSphere(); // Gets the local bounding sphere...
float shadowRadius = 1.42f * lightBounds.radius;
cmdBuffer.SetGlobalVector("_LightPos", light.transform.position);
cmdBuffer.SetGlobalFloat("_ShadowRadius", shadowRadius);
Material shadowMaterial = GetShadowMaterial(1);
Material removeSelfShadowMaterial = GetRemoveSelfShadowMaterial(1);
List <ShadowCasterGroup2D> shadowCasterGroups = ShadowCasterGroup2DManager.shadowCasterGroups;
if (shadowCasterGroups != null && shadowCasterGroups.Count > 0)
{
int previousShadowGroupIndex = -1;
int incrementingGroupIndex = 0;
for (int group = 0; group < shadowCasterGroups.Count; group++)
{
ShadowCasterGroup2D shadowCasterGroup = shadowCasterGroups[group];
List <ShadowCaster2D> shadowCasters = shadowCasterGroup.GetShadowCasters();
int shadowGroupIndex = shadowCasterGroup.GetShadowGroup();
if (LightUtility.CheckForChange(shadowGroupIndex, ref previousShadowGroupIndex) || shadowGroupIndex == 0)
{
incrementingGroupIndex++;
shadowMaterial = GetShadowMaterial(incrementingGroupIndex);
removeSelfShadowMaterial = GetRemoveSelfShadowMaterial(incrementingGroupIndex);
}
if (shadowCasters != null)
{
// Draw the shadow casting group first, then draw the silhouttes..
for (int i = 0; i < shadowCasters.Count; i++)
{
ShadowCaster2D shadowCaster = (ShadowCaster2D)shadowCasters[i];
if (shadowCaster != null && shadowMaterial != null && shadowCaster.IsShadowedLayer(layerToRender))
{
if (shadowCaster.castsShadows)
{
cmdBuffer.DrawMesh(shadowCaster.mesh, shadowCaster.transform.localToWorldMatrix, shadowMaterial);
}
}
}
for (int i = 0; i < shadowCasters.Count; i++)
{
ShadowCaster2D shadowCaster = (ShadowCaster2D)shadowCasters[i];
if (shadowCaster != null && shadowMaterial != null && shadowCaster.IsShadowedLayer(layerToRender))
{
if (shadowCaster.useRendererSilhouette)
{
Renderer renderer = shadowCaster.GetComponent <Renderer>();
if (renderer != null)
{
if (!shadowCaster.selfShadows)
{
cmdBuffer.DrawRenderer(renderer, removeSelfShadowMaterial);
}
else
{
cmdBuffer.DrawRenderer(renderer, shadowMaterial, 0, 1);
}
}
}
else
{
if (!shadowCaster.selfShadows)
{
Matrix4x4 meshMat = shadowCaster.transform.localToWorldMatrix;
cmdBuffer.DrawMesh(shadowCaster.mesh, meshMat, removeSelfShadowMaterial);
}
}
}
}
}
}
}
ReleaseShadowRenderTexture(cmdBuffer);
cmdBuffer.SetRenderTarget(renderTexture, depthTexture);
}
}