public void BuildLightmapStorage()
{
LightmapData[] lightmaps = LightmapSettings.lightmaps;
LightmapStorageData[] storedLightmaps = new LightmapStorageData[lightmaps.Length];
for (int i = 0; i < lightmaps.Length; ++i)
{
LightmapData currentLightmap = lightmaps[i];
storedLightmaps[i] = new LightmapStorageData()
{
lightmap = currentLightmap.lightmapColor, lightmapDir = currentLightmap.lightmapDir, shadowmask = currentLightmap.shadowMask
};
}
this.lightmaps = storedLightmaps;
Renderer[] renderers = GetComponentsInChildren <Renderer>(true);
RendererLightmapData[] rendererData = new RendererLightmapData[renderers.Length];
for (int i = 0; i < renderers.Length; ++i)
{
rendererData[i] = new RendererLightmapData()
{
renderer = renderers[i],
lightmapIndex = renderers[i].lightmapIndex,
lightmapScaleOffset = renderers[i].lightmapScaleOffset,
//realtimeLightmapIndex = renderers[i].realtimeLightmapIndex,
//realtimeLightmapScaleOffset = renderers[i].realtimeLightmapScaleOffset
};
}
this.rendererLightmapData = rendererData;
isSaved = true;
}
public void ApplyLightmapData()
{
if (!isSaved)
{
return;
}
LightmapData[] oldLightmaps = LightmapSettings.lightmaps;
if (oldLightmaps == null)
{
oldLightmaps = new LightmapData[0];
}
Dictionary <int, int> oldLightmapIdxToNewIdx = new Dictionary <int, int>();
Dictionary <int, int> newLightmapIdxToOldIdx = new Dictionary <int, int>();
for (int i = 0; i < oldLightmaps.Length; ++i)
{
LightmapData oldLightmap = oldLightmaps[i];
for (int j = 0; j < lightmaps.Length; ++j)
{
LightmapStorageData newLightmap = lightmaps[j];
if (oldLightmap.lightmapColor == newLightmap.lightmap &&
oldLightmap.lightmapDir == newLightmap.lightmapDir &&
oldLightmap.shadowMask == newLightmap.shadowmask)
{
oldLightmapIdxToNewIdx.Add(j, i);
newLightmapIdxToOldIdx.Add(i, j);
break;
}
}
}
int newLightmapIdx = 0;
for (int i = 0; i < lightmaps.Length; ++i)
{
if (!oldLightmapIdxToNewIdx.ContainsKey(i))
{
newLightmapIdxToOldIdx.Add(newLightmapIdx + oldLightmaps.Length, i);
oldLightmapIdxToNewIdx.Add(i, oldLightmaps.Length + newLightmapIdx++);
}
}
LightmapData[] newLightmapData = new LightmapData[oldLightmaps.Length + newLightmapIdx];
for (int i = 0; i < oldLightmaps.Length; ++i)
{
newLightmapData[i] = new LightmapData()
{
lightmapColor = oldLightmaps[i].lightmapColor, lightmapDir = oldLightmaps[i].lightmapDir, shadowMask = oldLightmaps[i].shadowMask
};
}
for (int i = 0; i < newLightmapIdx; ++i)
{
LightmapStorageData newData = lightmaps[newLightmapIdxToOldIdx[i + oldLightmaps.Length]];
newLightmapData[i + oldLightmaps.Length] = new LightmapData()
{
lightmapColor = newData.lightmap, lightmapDir = newData.lightmapDir, shadowMask = newData.shadowmask
};
}
LightmapSettings.lightmaps = newLightmapData;
foreach (RendererLightmapData rendererData in rendererLightmapData)
{
if (rendererData.renderer != null)
{
rendererData.renderer.lightmapIndex = rendererData.lightmapIndex == -1 ? -1 : oldLightmapIdxToNewIdx[rendererData.lightmapIndex];
rendererData.renderer.lightmapScaleOffset = rendererData.lightmapScaleOffset;
//rendererData.renderer.realtimeLightmapIndex = rendererData.realtimeLightmapIndex;
//rendererData.renderer.realtimeLightmapScaleOffset = rendererData.realtimeLightmapScaleOffset;
}
}
}
