public void ClearLayersThatUseAtlas(FAtlas atlas)
{
bool didHaveLayerThatUsedAtlas = false;
for (int a = _allLayers.Count - 1; a >= 0; --a)
{
if (_allLayers[a].atlas == atlas)
{
didHaveLayerThatUsedAtlas = true;
FFacetRenderLayer layer = _allLayers[a];
_liveLayers.Remove(layer);
_previousLiveLayers.Remove(layer);
_cachedLayers.Remove(layer);
_allRenderables.Remove(layer);
_allLayers.Remove(layer);
layer.Destroy();
}
}
if (didHaveLayerThatUsedAtlas)
{
_stage.HandleFacetsChanged();
}
}
public void AddRenderableLayer(FRenderableLayerInterface renderableLayer)
{
_allRenderables.Add(renderableLayer);
if(_topLayer != null)
{
_topLayer.Close();
_topLayer = null;
}
}
//添加可渲染层级
public void AddRenderableLayer(FRenderableLayerInterface renderableLayer)
{
_allRenderables.Add(renderableLayer);
if (_topLayer != null)
{
_topLayer.Close();
_topLayer = null;
}
}
public void StartRender()
{
//make the livelayers empty, put those layers in _previousLiveLayers
List<FFacetRenderLayer> swapLayers = _liveLayers;
_liveLayers = _previousLiveLayers;
_previousLiveLayers = swapLayers;
_topLayer = null;
_allRenderables.Clear();
}
public void StartRender()
{
//make the livelayers empty, put those layers in _previousLiveLayers
List <FFacetRenderLayer> swapLayers = _liveLayers;
_liveLayers = _previousLiveLayers;
_previousLiveLayers = swapLayers;
_topLayer = null;
_allRenderables.Clear();
}
protected FFacetRenderLayer CreateFacetRenderLayer(FFacetType facetType, int batchIndex, FAtlas atlas, FShader shader)
{
//first, check and see if we already have a layer that matches the batchIndex
int previousLiveLayerCount = _previousLiveLayers.Count;
for (int p = 0; p < previousLiveLayerCount; ++p)
{
FFacetRenderLayer previousLiveLayer = _previousLiveLayers[p];
if (previousLiveLayer.batchIndex == batchIndex)
{
_previousLiveLayers.RemoveAt(p);
_liveLayers.Add(previousLiveLayer);
_allRenderables.Add(previousLiveLayer);
return(previousLiveLayer);
}
}
//now see if we have a cached (old, now unused layer) that matches the batchIndex
int cachedLayerCount = _cachedLayers.Count;
for (int c = 0; c < cachedLayerCount; ++c)
{
FFacetRenderLayer cachedLayer = _cachedLayers[c];
if (cachedLayer.batchIndex == batchIndex)
{
_cachedLayers.RemoveAt(c);
cachedLayer.AddToWorld();
_liveLayers.Add(cachedLayer);
_allRenderables.Add(cachedLayer);
return(cachedLayer);
}
}
//still no layer found? create a new one!
FFacetRenderLayer newLayer = facetType.createRenderLayer(_stage, facetType, atlas, shader);
_liveLayers.Add(newLayer);
_allLayers.Add(newLayer);
_allRenderables.Add(newLayer);
newLayer.AddToWorld();
return(newLayer);
}
public void GetFacetRenderLayer(out FFacetRenderLayer renderLayer, out int firstFacetIndex, FFacetType facetType, FAtlas atlas, FShader shader, int numberOfFacetsNeeded)
{
int batchIndex = facetType.index*10000000 + atlas.index*10000 + shader.index;
if(_topLayer == null)
{
_topLayer = CreateFacetRenderLayer(facetType, batchIndex, atlas, shader);
_topLayer.Open();
}
else
{
if(_topLayer.batchIndex != batchIndex) //we're changing layers!
{
_topLayer.Close(); //close the old layer
_topLayer = CreateFacetRenderLayer(facetType, batchIndex, atlas, shader);
_topLayer.Open(); //open the new layer
}
}
renderLayer = _topLayer;
firstFacetIndex = _topLayer.GetNextFacetIndex(numberOfFacetsNeeded);
}
//获取Facet渲染层级
public void GetFacetRenderLayer(out FFacetRenderLayer renderLayer, out int firstFacetIndex, FFacetType facetType, FAtlas atlas, FShader shader, int numberOfFacetsNeeded)
{
int batchIndex = facetType.index * 10000000 + atlas.index * 10000 + shader.index;
if (_topLayer == null)
{
_topLayer = CreateFacetRenderLayer(facetType, batchIndex, atlas, shader);
_topLayer.Open();
}
else
{
if (_topLayer.batchIndex != batchIndex) //we're changing layers!
{
_topLayer.Close(); //close the old layer
_topLayer = CreateFacetRenderLayer(facetType, batchIndex, atlas, shader);
_topLayer.Open(); //open the new layer
}
}
renderLayer = _topLayer;
firstFacetIndex = _topLayer.GetNextFacetIndex(numberOfFacetsNeeded);
}
