public void Update()
{
Renderer renderer;
m_HasRenderer = TryGetComponent <Renderer>(out renderer);
bool rebuildMesh = LightUtility.CheckForChange(m_ShapePathHash, ref m_PreviousPathHash);
if (rebuildMesh)
{
m_ProjectedBoundingSphere = ShadowUtility.GenerateShadowMesh(m_Mesh, m_ShapePath);
}
m_PreviousShadowCasterGroup = m_ShadowCasterGroup;
bool addedToNewGroup = ShadowCasterGroup2DManager.AddToShadowCasterGroup(this, ref m_ShadowCasterGroup);
if (addedToNewGroup && m_ShadowCasterGroup != null)
{
if (m_PreviousShadowCasterGroup == this)
{
ShadowCasterGroup2DManager.RemoveGroup(this);
}
ShadowCasterGroup2DManager.RemoveFromShadowCasterGroup(this, m_PreviousShadowCasterGroup);
if (m_ShadowCasterGroup == this)
{
ShadowCasterGroup2DManager.AddGroup(this);
}
}
if (LightUtility.CheckForChange(m_ShadowGroup, ref m_PreviousShadowGroup))
{
ShadowCasterGroup2DManager.RemoveGroup(this);
ShadowCasterGroup2DManager.AddGroup(this);
}
if (LightUtility.CheckForChange(m_CastsShadows, ref m_PreviousCastsShadows))
{
if (m_CastsShadows)
{
ShadowCasterGroup2DManager.AddGroup(this);
}
else
{
ShadowCasterGroup2DManager.RemoveGroup(this);
}
}
}
protected void OnDisable()
{
ShadowCasterGroup2DManager.RemoveGroup(this);
}
protected void OnEnable()
{
ShadowCasterGroup2DManager.AddGroup(this);
}
protected void OnDisable()
{
ShadowCasterGroup2DManager.RemoveFromShadowCasterGroup(this, m_ShadowCasterGroup);
}
public static void RenderLights(this IRenderPass2D pass, RenderingData renderingData, CommandBuffer cmd, int layerToRender, ref LayerBatch layerBatch, ref RenderTextureDescriptor rtDesc)
{
// Before rendering the lights cache some values that are expensive to get/calculate
var culledLights = pass.rendererData.lightCullResult.visibleLights;
for (var i = 0; i < culledLights.Count; i++)
{
culledLights[i].CacheValues();
}
ShadowCasterGroup2DManager.CacheValues();
var blendStyles = pass.rendererData.lightBlendStyles;
for (var i = 0; i < blendStyles.Length; ++i)
{
if ((layerBatch.lightStats.blendStylesUsed & (uint)(1 << i)) == 0)
{
continue;
}
var sampleName = blendStyles[i].name;
cmd.BeginSample(sampleName);
if (!Light2DManager.GetGlobalColor(layerToRender, i, out var clearColor))
{
clearColor = Color.black;
}
var anyLights = (layerBatch.lightStats.blendStylesWithLights & (uint)(1 << i)) != 0;
var desc = rtDesc;
if (!anyLights) // No lights -- create tiny texture
{
desc.width = desc.height = 4;
}
var identifier = layerBatch.GetRTId(cmd, desc, i);
cmd.SetRenderTarget(identifier,
RenderBufferLoadAction.DontCare,
RenderBufferStoreAction.Store,
RenderBufferLoadAction.DontCare,
RenderBufferStoreAction.DontCare);
cmd.ClearRenderTarget(false, true, clearColor);
if (anyLights)
{
RenderLightSet(
pass, renderingData,
i,
cmd,
layerToRender,
identifier,
pass.rendererData.lightCullResult.visibleLights
);
}
cmd.EndSample(sampleName);
}
}