public void DestroyDecalEntity(DecalEntity decalEntity)
{
if (!m_DecalEntityIndexer.IsValid(decalEntity))
{
return;
}
var decalItem = m_DecalEntityIndexer.GetItem(decalEntity);
m_DecalEntityIndexer.DestroyDecalEntity(decalEntity);
int chunkIndex = decalItem.chunkIndex;
int arrayIndex = decalItem.arrayIndex;
DecalEntityChunk entityChunk = entityChunks[chunkIndex];
DecalCachedChunk cachedChunk = cachedChunks[chunkIndex];
DecalCulledChunk culledChunk = culledChunks[chunkIndex];
DecalDrawCallChunk drawCallChunk = drawCallChunks[chunkIndex];
int lastArrayIndex = entityChunk.count - 1;
if (arrayIndex != lastArrayIndex)
{
m_DecalEntityIndexer.UpdateIndex(entityChunk.decalEntities[lastArrayIndex], arrayIndex);
}
entityChunk.RemoveAtSwapBack(arrayIndex);
cachedChunk.RemoveAtSwapBack(arrayIndex);
culledChunk.RemoveAtSwapBack(arrayIndex);
drawCallChunk.RemoveAtSwapBack(arrayIndex);
}
private void Execute(DecalEntityChunk entityChunk, DecalCachedChunk cachedChunk, int count)
{
if (count == 0)
{
return;
}
cachedChunk.currentJobHandle.Complete();
// Make sure draw order is up to date
var material = entityChunk.material;
if (material.HasProperty("_DrawOrder"))
{
cachedChunk.drawOrder = material.GetInt("_DrawOrder");
}
// Shader can change any time in editor, so we have to update passes each time
#if !UNITY_EDITOR
if (!cachedChunk.isCreated)
#endif
{
int passIndexDBuffer = material.FindPass(DecalShaderPassNames.DBufferProjector);
cachedChunk.passIndexDBuffer = passIndexDBuffer;
int passIndexEmissive = material.FindPass(DecalShaderPassNames.DecalProjectorForwardEmissive);
cachedChunk.passIndexEmissive = passIndexEmissive;
int passIndexScreenSpace = material.FindPass(DecalShaderPassNames.DecalScreenSpaceProjector);
cachedChunk.passIndexScreenSpace = passIndexScreenSpace;
int passIndexGBuffer = material.FindPass(DecalShaderPassNames.DecalGBufferProjector);
cachedChunk.passIndexGBuffer = passIndexGBuffer;
cachedChunk.isCreated = true;
}
using (new ProfilingScope(null, m_SamplerJob))
{
UpdateTransformsJob updateTransformJob = new UpdateTransformsJob()
{
positions = cachedChunk.positions,
rotations = cachedChunk.rotation,
scales = cachedChunk.scales,
dirty = cachedChunk.dirty,
scaleModes = cachedChunk.scaleModes,
sizeOffsets = cachedChunk.sizeOffsets,
decalToWorlds = cachedChunk.decalToWorlds,
normalToWorlds = cachedChunk.normalToWorlds,
boundingSpheres = cachedChunk.boundingSpheres,
minDistance = 0.0001f,
};
var handle = updateTransformJob.Schedule(entityChunk.transformAccessArray);
cachedChunk.currentJobHandle = handle;
}
}
public DecalEntity CreateDecalEntity(DecalProjector decalProjector)
{
var material = decalProjector.material;
if (material == null)
{
material = errorMaterial;
}
using (new ProfilingScope(null, m_AddDecalSampler))
{
int chunkIndex = CreateChunkIndex(material);
int entityIndex = entityChunks[chunkIndex].count;
DecalEntity entity = m_DecalEntityIndexer.CreateDecalEntity(entityIndex, chunkIndex);
DecalEntityChunk entityChunk = entityChunks[chunkIndex];
DecalCachedChunk cachedChunk = cachedChunks[chunkIndex];
DecalCulledChunk culledChunk = culledChunks[chunkIndex];
DecalDrawCallChunk drawCallChunk = drawCallChunks[chunkIndex];
// Make sure we have space to add new entity
if (entityChunks[chunkIndex].capacity == entityChunks[chunkIndex].count)
{
using (new ProfilingScope(null, m_ResizeChunks))
{
int newCapacity = entityChunks[chunkIndex].capacity + entityChunks[chunkIndex].capacity;
newCapacity = math.max(8, newCapacity);
entityChunk.SetCapacity(newCapacity);
cachedChunk.SetCapacity(newCapacity);
culledChunk.SetCapacity(newCapacity);
drawCallChunk.SetCapacity(newCapacity);
}
}
entityChunk.Push();
cachedChunk.Push();
culledChunk.Push();
drawCallChunk.Push();
entityChunk.decalProjectors[entityIndex] = decalProjector;
entityChunk.decalEntities[entityIndex] = entity;
entityChunk.transformAccessArray.Add(decalProjector.transform);
UpdateDecalEntityData(entity, decalProjector);
return(entity);
}
}
public void UpdateDecalEntityData(DecalEntity decalEntity, DecalProjector decalProjector)
{
var decalItem = m_DecalEntityIndexer.GetItem(decalEntity);
int chunkIndex = decalItem.chunkIndex;
int arrayIndex = decalItem.arrayIndex;
DecalCachedChunk cachedChunk = cachedChunks[chunkIndex];
cachedChunk.sizeOffsets[arrayIndex] = Matrix4x4.Translate(decalProjector.decalOffset) * Matrix4x4.Scale(decalProjector.decalSize);
float drawDistance = decalProjector.drawDistance;
float fadeScale = decalProjector.fadeScale;
float startAngleFade = decalProjector.startAngleFade;
float endAngleFade = decalProjector.endAngleFade;
Vector4 uvScaleBias = decalProjector.uvScaleBias;
int layerMask = decalProjector.gameObject.layer;
ulong sceneLayerMask = decalProjector.gameObject.sceneCullingMask;
float fadeFactor = decalProjector.fadeFactor;
cachedChunk.drawDistances[arrayIndex] = new Vector2(drawDistance, fadeScale);
// In the shader to remap from cosine -1 to 1 to new range 0..1 (with 0 - 0 degree and 1 - 180 degree)
// we do 1.0 - (dot() * 0.5 + 0.5) => 0.5 * (1 - dot())
// we actually square that to get smoother result => x = (0.5 - 0.5 * dot())^2
// Do a remap in the shader. 1.0 - saturate((x - start) / (end - start))
// After simplification => saturate(a + b * dot() * (dot() - 2.0))
// a = 1.0 - (0.25 - start) / (end - start), y = - 0.25 / (end - start)
if (startAngleFade == 180.0f) // angle fade is disabled
{
cachedChunk.angleFades[arrayIndex] = new Vector2(0.0f, 0.0f);
}
else
{
float angleStart = startAngleFade / 180.0f;
float angleEnd = endAngleFade / 180.0f;
var range = Mathf.Max(0.0001f, angleEnd - angleStart);
cachedChunk.angleFades[arrayIndex] = new Vector2(1.0f - (0.25f - angleStart) / range, -0.25f / range);
}
cachedChunk.uvScaleBias[arrayIndex] = uvScaleBias;
cachedChunk.layerMasks[arrayIndex] = layerMask;
cachedChunk.sceneLayerMasks[arrayIndex] = sceneLayerMask;
cachedChunk.fadeFactors[arrayIndex] = fadeFactor;
cachedChunk.scaleModes[arrayIndex] = decalProjector.scaleMode;
cachedChunk.positions[arrayIndex] = decalProjector.transform.position;
cachedChunk.rotation[arrayIndex] = decalProjector.transform.rotation;
cachedChunk.scales[arrayIndex] = decalProjector.transform.lossyScale;
cachedChunk.dirty[arrayIndex] = true;
}
public void Execute(DecalCachedChunk cachedChunk, DecalCulledChunk culledChunk, int count)
{
cachedChunk.currentJobHandle.Complete();
CullingGroup cullingGroup = culledChunk.cullingGroups;
cullingGroup.targetCamera = m_Camera;
cullingGroup.SetDistanceReferencePoint(m_Camera.transform.position);
cullingGroup.SetBoundingDistances(m_BoundingDistance);
cachedChunk.boundingSpheres.CopyTo(cachedChunk.boundingSphereArray);
cullingGroup.SetBoundingSpheres(cachedChunk.boundingSphereArray);
cullingGroup.SetBoundingSphereCount(count);
culledChunk.cameraPosition = m_Camera.transform.position;
culledChunk.cullingMask = m_Camera.cullingMask;
#if UNITY_EDITOR
culledChunk.sceneCullingMask = GetSceneCullingMaskFromCamera(m_Camera);
#endif
}
private void Draw(CommandBuffer cmd, DecalEntityChunk decalEntityChunk, DecalCachedChunk decalCachedChunk, DecalDrawCallChunk decalDrawCallChunk, int passIndex)
{
var mesh = m_EntityManager.decalProjectorMesh;
var material = GetMaterial(decalEntityChunk);
decalCachedChunk.propertyBlock.SetVector("unity_LightData", new Vector4(1, 1, 1, 0)); // GetMainLight requires z component to be set
int subCallCount = decalDrawCallChunk.subCallCount;
for (int i = 0; i < subCallCount; ++i)
{
var subCall = decalDrawCallChunk.subCalls[i];
for (int j = subCall.start; j < subCall.end; ++j)
{
decalCachedChunk.propertyBlock.SetMatrix("_NormalToWorld", decalDrawCallChunk.normalToDecals[j]);
cmd.DrawMesh(mesh, decalDrawCallChunk.decalToWorlds[j], material, 0, passIndex, decalCachedChunk.propertyBlock);
}
}
}
protected override int GetPassIndex(DecalCachedChunk decalCachedChunk)
{
switch (m_Technique)
{
case DecalTechnique.DBuffer:
return(((decalCachedChunk.passIndexDBuffer == -1) && (decalCachedChunk.passIndexEmissive == -1)) ? 0 : -1);
case DecalTechnique.ScreenSpace:
return(decalCachedChunk.passIndexScreenSpace == -1 ? 0 : -1);
case DecalTechnique.GBuffer:
return(decalCachedChunk.passIndexGBuffer == -1 ? 0 : -1);
case DecalTechnique.Invalid:
return(0);
default:
return(0);
}
}
private void Execute(CommandBuffer cmd, DecalEntityChunk decalEntityChunk, DecalCachedChunk decalCachedChunk, DecalDrawCallChunk decalDrawCallChunk, int count)
{
decalCachedChunk.currentJobHandle.Complete();
decalDrawCallChunk.currentJobHandle.Complete();
Material material = GetMaterial(decalEntityChunk);
int passIndex = GetPassIndex(decalCachedChunk);
if (count == 0 || passIndex == -1 || material == null)
{
return;
}
if (SystemInfo.supportsInstancing && material.enableInstancing)
{
DrawInstanced(cmd, decalEntityChunk, decalCachedChunk, decalDrawCallChunk, passIndex);
}
else
{
Draw(cmd, decalEntityChunk, decalCachedChunk, decalDrawCallChunk, passIndex);
}
}
protected override int GetPassIndex(DecalCachedChunk decalCachedChunk) => decalCachedChunk.passIndexGBuffer;
protected override int GetPassIndex(DecalCachedChunk decalCachedChunk) => decalCachedChunk.passIndexEmissive;
private void DrawInstanced(CommandBuffer cmd, DecalEntityChunk decalEntityChunk, DecalCachedChunk decalCachedChunk, DecalDrawCallChunk decalDrawCallChunk, int passIndex)
{
var mesh = m_EntityManager.decalProjectorMesh;
var material = GetMaterial(decalEntityChunk);
decalCachedChunk.propertyBlock.SetVector("unity_LightData", new Vector4(1, 1, 1, 0)); // GetMainLight requires z component to be set
int subCallCount = decalDrawCallChunk.subCallCount;
for (int i = 0; i < subCallCount; ++i)
{
var subCall = decalDrawCallChunk.subCalls[i];
var decalToWorldSlice = decalDrawCallChunk.decalToWorlds.Reinterpret <Matrix4x4>();
NativeArray <Matrix4x4> .Copy(decalToWorldSlice, subCall.start, m_WorldToDecals, 0, subCall.count);
var normalToWorldSlice = decalDrawCallChunk.normalToDecals.Reinterpret <Matrix4x4>();
NativeArray <Matrix4x4> .Copy(normalToWorldSlice, subCall.start, m_NormalToDecals, 0, subCall.count);
decalCachedChunk.propertyBlock.SetMatrixArray("_NormalToWorld", m_NormalToDecals);
cmd.DrawMeshInstanced(mesh, 0, material, passIndex, m_WorldToDecals, subCall.end - subCall.start, decalCachedChunk.propertyBlock);
}
}
protected abstract int GetPassIndex(DecalCachedChunk decalCachedChunk);
protected override int GetPassIndex(DecalCachedChunk decalCachedChunk) => decalCachedChunk.passIndexScreenSpace;