/// <summary>
/// 烘焙环境信息到指定RenderTextrue
/// </summary>
/// <param name="terrain"></param>
/// <param name="size"></param>
/// <returns></returns>
public static int Bake(LODTerrain terrain, int size = 512)
{
RenderTexture renderTexture = null;
int num = -1;
for (int i = 0; i < Terrainmapping.mapIndex.Count; i++)
{
if (Terrainmapping.mapIndex[i] < 0)
{
num = i;
renderTexture = Terrainmapping.maps[i];
Terrainmapping.mapIndex[i] = num;
break;
}
}
if (renderTexture != null)
{
Terrainmapping.CreateObjects();
Terrainmapping.UpdateCameraModes();
Terrainmapping.rttCamera.gameObject.SetActive(true);
Terrainmapping.rttCamera.enabled = true;
Terrainmapping.sntMat = terrain.matrial;
Terrainmapping.quad.renderer.lightmapIndex = terrain.renderer.lightmapIndex;
Terrainmapping.quad.renderer.lightmapTilingOffset = terrain.renderer.lightmapTilingOffset;
Terrainmapping.quad.renderer.material = Terrainmapping.sntMat;
Terrainmapping.rttCamera.targetTexture = renderTexture;
RenderTexture.active = renderTexture;
Terrainmapping.rttCamera.Render();
Terrainmapping.rttCamera.gameObject.SetActive(false);
RenderTexture.active = null;
Terrainmapping.quad.renderer.material = null;
Terrainmapping.sntMat = null;
}
return(num);
}
/// <summary>
/// 取消烘焙材质，使用原始材质渲染
/// </summary>
public void CancelBake()
{
if (this.terrainMapIndex >= 0)
{
Terrainmapping.Cancel(this.terrainMapIndex);
base.renderer.material = this.matrial;
this.terrainMapIndex = -1;
}
}
/// <summary>
/// 烘焙得到的环境渲染RenderTexture作为地形贴图的主纹理
/// </summary>
public void Bake()
{
this.terrainMapIndex = Terrainmapping.Bake(this, 1024);
if (this.terrainMapIndex > -1)
{
this.bakeMat = new Material(this.bakeShader);
this.bakeMat.SetTexture("_MainTex", Terrainmapping.maps[this.terrainMapIndex]);
base.renderer.material = this.bakeMat;
}
}