public void RebuildLightsList(List <VisibleLight> visibleLights, CameraData cameraData, PipelineSettings pipelineSettings, ref RenderingData renderingData)
{
UnityEngine.Profiling.Profiler.BeginSample("RebuildLightsList");
lights.Clear();
var unityLights = visibleLights;
VisibleLight = 0;
LightsDataForShadow.Clear();
bool softShadow = false;
int j = 0;
int currentShadowIndex = 0;
int maxShadowNum = pipelineSettings.MaxShadowLightsNum;
for (int i = 0; i < unityLights.Count; ++i)
{
var ul = unityLights[i];
var pl = ul.light.GetComponent <ProjectorLight>();
if (pl == null)
{
continue;
}
lights.Add(pl);
var ifLight = pl;
if (ifLight.spritesAtlas != spritesAtlas)
{
spritesAtlas = ifLight.spritesAtlas;
}
//矩阵是从右向左乘的,view需要z取反
Matrix4x4 c2w = /*Camera.main*/ cameraData.camera.cameraToWorldMatrix * Matrix4x4.Scale(new Vector3(1, 1, -1));// Camera.main.transform.localToWorldMatrix;
int shadowIndex = currentShadowIndex;
if (currentShadowIndex >= maxShadowNum || !ifLight.lightParms_Shadow)
{
shadowIndex = -1;
}
LightDataInAll lightDataInAll = ifLight.GetLightData(c2w, shadowIndex);
NativeLightsBoundList[i] = lightDataInAll.sFiniteLightBound;
NativeLightsDataList[i] = lightDataInAll.lightData;
++VisibleLight;
//for shadow
// TODO frustum cull
if (ifLight.lightParms_Shadow && currentShadowIndex < maxShadowNum)
{
LightDataForShadow lightDataForShadow = new LightDataForShadow();
lightDataForShadow.lightIndex = j++;
lightDataForShadow.shadowData = lightDataInAll.shadowData;
lightDataForShadow.visibleLight = ul;
lightDataForShadow.projectorLight = ifLight;
lightDataForShadow.unityLightIndex = i;
//Matrix4x4 scaleMatrix = Matrix4x4.identity;
////scaleMatrix.m22 = -1.0f;
//Matrix4x4 view = scaleMatrix * ul.localToWorld.inverse;
//lightDataForShadow.shadowData.viewMatrix = view;
LightsDataForShadow.Add(lightDataForShadow);
softShadow |= ifLight.softShadow;
++currentShadowIndex;
}
}
renderingData.shadowData.supportsSoftShadows = softShadow;
culsterDataGenerator.Begin(pipelineSettings);
culsterDataGenerator.Run(cameraData, pipelineSettings, this);
lightLoopLightsData.LightsDatasBuf.SetData(LightsDataList);
tileAndClusterData.itemsIDListBuf.SetData(culsterDataGenerator.ResultItemsIDList);
tileAndClusterData.clusterNumItemsBuf.SetData(culsterDataGenerator.ResultClusterNumItems);
culsterDataGenerator.End();
UnityEngine.Profiling.Profiler.EndSample();
}
