void GenerateHeightMap()
{
// pass 0
if (chunkConfig.rescaleToMinMax)
{
var heightRough = new RenderTexture(16, 16, 0, RenderTextureFormat.RInt, RenderTextureReadWrite.Linear);
heightRough.wrapMode = TextureWrapMode.Clamp;
heightRough.filterMode = FilterMode.Bilinear;
heightRough.enableRandomWrite = true;
heightRough.Create();
var c = chunkConfig.generateChunkHeightMapPass1;
c.SetTexture(0, "_planetHeightMap", planetConfig.planetHeightMap);
rangeUnitCubePosToGenerateInto.SetParams(c, "_rangeUnitCubePos");
c.SetFloat("_heightMin", 0);
c.SetFloat("_heightMax", 1);
c.SetTexture(0, "_chunkHeightMap", heightRough);
c.Dispatch(0, heightRough.width / 16, heightRough.height / 16, 1);
MyProfiler.BeginSample("find texture min max");
var result = FindTextureMinMax.Find(heightRough);
MyProfiler.EndSample();
heightMax = result.max.x;
heightMin = result.min.x;
var r = 0.1f; //HeightRange / 10.0f;
heightMax += r;
heightMin -= r;
//DEBUG
//heightMax = 1; heightMin = 0;
heightRough.Release();
}
// pass 1
RenderTexture height1;
{
height1 = new RenderTexture(HeightMapResolution, HeightMapResolution, 0, RenderTextureFormat.RInt, RenderTextureReadWrite.Linear);
height1.wrapMode = TextureWrapMode.Clamp;
height1.filterMode = FilterMode.Bilinear;
height1.enableRandomWrite = true;
height1.Create();
var c = chunkConfig.generateChunkHeightMapPass1;
c.SetTexture(0, "_planetHeightMap", planetConfig.planetHeightMap);
rangeUnitCubePosToGenerateInto.SetParams(c, "_rangeUnitCubePos");
c.SetFloat("_heightMin", heightMin);
c.SetFloat("_heightMax", heightMax);
c.SetTexture(0, "_chunkHeightMap", height1);
c.Dispatch(0, height1.width / 16, height1.height / 16, 1);
GenerateSlopeAndCurvatureMap(height1);
}
// pass 2
{
if (chunkHeightMap == null)
{
chunkHeightMap = new RenderTexture(HeightMapResolution, HeightMapResolution, 0, RenderTextureFormat.RInt, RenderTextureReadWrite.Linear);
chunkHeightMap.wrapMode = TextureWrapMode.Clamp;
chunkHeightMap.filterMode = FilterMode.Bilinear;
chunkHeightMap.enableRandomWrite = true;
chunkHeightMap.Create();
}
var c = chunkConfig.generateChunkHeightMapPass2;
SetAll(c, 0);
c.SetTexture(0, "_chunkHeightMap", height1);
c.SetTexture(0, "_chunkHeightMapNew", chunkHeightMap);
c.Dispatch(0, chunkHeightMap.width / 16, chunkHeightMap.height / 16, 1);
if (chunkHeightMap.useMipMap)
{
chunkHeightMap.GenerateMips();
}
//GenerateSlopeAndCurvatureMap(chunkHeightMap);
}
height1.Release();
}
void GenerateHeightMap()
{
if (chunkConfig.rescaleToMinMax)
{
var heightRough = new RenderTexture(HeightMapResolution / 2, HeightMapResolution / 2, 0, RenderTextureFormat.RInt, RenderTextureReadWrite.Linear);
heightRough.wrapMode = TextureWrapMode.Clamp;
heightRough.filterMode = FilterMode.Bilinear;
heightRough.enableRandomWrite = true;
heightRough.Create();
var c = chunkConfig.generateChunkHeightMap;
SetAll(c, 0);
c.SetTexture(0, "_planetHeightMap", planetConfig.planetHeightMap);
rangeUnitCubePosToGenerateInto.SetParams(c, "_rangeUnitCubePos");
c.SetFloat("_heightMin", 0);
c.SetFloat("_heightMax", 1);
c.SetTexture(0, "_chunkHeightMap", heightRough);
c.Dispatch(0, heightRough.width / 16, heightRough.height / 16, 1);
MyProfiler.BeginSample("find texture min max");
var result = FindTextureMinMax.Find(heightRough, RenderTextureFormat.RInt);
MyProfiler.EndSample();
heightMax = result.max.x;
heightMin = result.min.x;
var r = 0.1f;
if (parent != null)
{
r = parent.HeightRange / 5.0f;
}
heightMax += r;
heightMin -= r;
//DEBUG
//heightMax = 1; heightMin = 0;
heightRough.Release();
}
{
if (generatingData.chunkHeightMap == null)
{
generatingData.chunkHeightMap = new RenderTexture(HeightMapResolution, HeightMapResolution, 0, RenderTextureFormat.RInt, RenderTextureReadWrite.Linear);
generatingData.chunkHeightMap.wrapMode = TextureWrapMode.Clamp;
generatingData.chunkHeightMap.filterMode = FilterMode.Bilinear;
generatingData.chunkHeightMap.enableRandomWrite = true;
generatingData.chunkHeightMap.Create();
}
var c = chunkConfig.generateChunkHeightMap;
SetAll(c, 0);
c.SetTexture(0, "_planetHeightMap", planetConfig.planetHeightMap);
rangeUnitCubePosToGenerateInto.SetParams(c, "_rangeUnitCubePos");
c.SetFloat("_heightMin", heightMin);
c.SetFloat("_heightMax", heightMax);
c.SetBool("_hasParent", parent != null);
if (parent != null && parent.HasFullyGeneratedData && parent.FullyGeneratedData.chunkHeightMap)
{
c.SetTexture(0, "_parentChunkHeightMap", parent.FullyGeneratedData.chunkHeightMap);
}
c.SetTexture(0, "_chunkHeightMap", generatingData.chunkHeightMap);
c.Dispatch(0, generatingData.chunkHeightMap.width / 16, generatingData.chunkHeightMap.height / 16, 1);
}
}