private void ResizeSplatControlMaps()
{
for (int i = 0; i < SplatControlMapCount; ++i)
{
Texture2D t = GetSplatControl(i);
if (t == null)
{
return;
}
Texture2D tmp = GCommon.CreateTexture(SplatControlResolution, Color.clear);
RenderTexture rt = new RenderTexture(SplatControlResolution, SplatControlResolution, 32, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
GCommon.CopyToRT(t, rt);
GCommon.CopyFromRT(tmp, rt);
rt.Release();
Object.DestroyImmediate(rt);
tmp.name = t.name;
tmp.filterMode = t.filterMode;
tmp.wrapMode = t.wrapMode;
Object.DestroyImmediate(t, true);
SplatControls[i] = tmp;
GCommon.TryAddObjectToAsset(tmp, TerrainData);
}
UpdateMaterials();
}
internal void Internal_CreateNewSubDivisionMap(Texture altHeightMap)
{
if (subDivisionMap != null)
{
if (subDivisionMap.width != GCommon.SUB_DIV_MAP_RESOLUTION ||
subDivisionMap.height != GCommon.SUB_DIV_MAP_RESOLUTION)
{
Object.DestroyImmediate(subDivisionMap);
}
}
if (subDivisionMap == null)
{
subDivisionMap = new Texture2D(GCommon.SUB_DIV_MAP_RESOLUTION, GCommon.SUB_DIV_MAP_RESOLUTION, TextureFormat.ARGB32, false);
}
int resolution = GCommon.SUB_DIV_MAP_RESOLUTION;
RenderTexture rt = new RenderTexture(resolution, resolution, 0, RenderTextureFormat.ARGB32);
Material mat = GInternalMaterials.SubDivisionMapMaterial;
Graphics.Blit(altHeightMap, rt, mat);
GCommon.CopyFromRT(subDivisionMap, rt);
rt.Release();
Object.DestroyImmediate(rt);
}
private void ReFormatHeightMap()
{
if (heightMap == null)
{
return;
}
if (heightmapVersion < HEIGHT_MAP_VERSION_ENCODE_RG)
{
Texture2D tmp = new Texture2D(HeightMapResolution, HeightMapResolution, HeightMapFormat, false);
RenderTexture rt = new RenderTexture(HeightMapResolution, HeightMapResolution, 32, HeightMapRTFormat);
Material mat = GInternalMaterials.HeightmapConverterEncodeRGMaterial;
mat.SetTexture("_MainTex", heightMap);
GCommon.DrawQuad(rt, GCommon.FullRectUvPoints, mat, 0);
GCommon.CopyFromRT(tmp, rt);
rt.Release();
Object.DestroyImmediate(rt);
tmp.name = heightMap.name;
tmp.filterMode = heightMap.filterMode;
tmp.wrapMode = heightMap.wrapMode;
Object.DestroyImmediate(heightMap, true);
heightMap = tmp;
GCommon.TryAddObjectToAsset(heightMap, TerrainData);
heightmapVersion = HEIGHT_MAP_VERSION_ENCODE_RG;
Debug.Log("Polaris auto upgrade: Converted Height Map from RGBAFloat to RGBA32.");
}
}
private void RestoreHeightMap(Texture2D heightMap)
{
if (heightMapBackup != null && heightMapBackup.IsCreated())
{
GCommon.CopyFromRT(heightMap, heightMapBackup);
}
}
public void ConvertSplatsToAlbedo()
{
if (Splats == null)
{
return;
}
RenderTexture albedoRt = new RenderTexture(AlbedoMapResolution, AlbedoMapResolution, 0, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
Material mat = GInternalMaterials.SplatsToAlbedoMaterial;
for (int i = 0; i < SplatControlMapCount; ++i)
{
Texture2D controlMap = GetSplatControl(i);
mat.SetTexture("_Control0", controlMap);
for (int channel = 0; channel < 4; ++channel)
{
int prototypeIndex = i * 4 + channel;
if (prototypeIndex < Splats.Prototypes.Count)
{
GSplatPrototype p = Splats.Prototypes[prototypeIndex];
mat.SetTexture("_Splat" + channel, p.Texture);
Vector2 terrainSize = new Vector2(TerrainData.Geometry.Width, TerrainData.Geometry.Length);
Vector2 textureScale = new Vector2(
p.TileSize.x != 0 ? terrainSize.x / p.TileSize.x : 0,
p.TileSize.y != 0 ? terrainSize.y / p.TileSize.y : 0);
Vector2 textureOffset = new Vector2(
p.TileOffset.x != 0 ? terrainSize.x / p.TileOffset.x : 0,
p.TileOffset.y != 0 ? terrainSize.y / p.TileOffset.y : 0);
mat.SetTextureScale("_Splat" + channel, textureScale);
mat.SetTextureOffset("_Splat" + channel, textureOffset);
}
else
{
mat.SetTexture("_Splat" + channel, null);
mat.SetTextureScale("_Splat" + channel, Vector2.zero);
mat.SetTextureOffset("_Splat" + channel, Vector2.zero);
}
}
GCommon.DrawQuad(albedoRt, GCommon.FullRectUvPoints, mat, 0);
}
GCommon.CopyFromRT(AlbedoMap, albedoRt);
albedoRt.Release();
GUtilities.DestroyObject(albedoRt);
}
private void ResampleMaskMap()
{
if (maskMap == null)
{
return;
}
Texture2D tmp = new Texture2D(MaskMapResolution, MaskMapResolution, TextureFormat.RGBA32, false);
RenderTexture rt = new RenderTexture(MaskMapResolution, MaskMapResolution, 32, RenderTextureFormat.ARGB32);
GCommon.CopyToRT(maskMap, rt);
GCommon.CopyFromRT(tmp, rt);
rt.Release();
Object.DestroyImmediate(rt);
tmp.name = maskMap.name;
tmp.filterMode = maskMap.filterMode;
tmp.wrapMode = maskMap.wrapMode;
Object.DestroyImmediate(maskMap, true);
maskMap = tmp;
GCommon.TryAddObjectToAsset(maskMap, TerrainData);
}
private void ResizeMetallicMap()
{
if (metallicMap == null)
{
return;
}
Texture2D tmp = GCommon.CreateTexture(MetallicMapResolution, Color.black);
RenderTexture rt = new RenderTexture(MetallicMapResolution, MetallicMapResolution, 32, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
GCommon.CopyToRT(metallicMap, rt);
GCommon.CopyFromRT(tmp, rt);
rt.Release();
Object.DestroyImmediate(rt);
tmp.name = metallicMap.name;
tmp.filterMode = metallicMap.filterMode;
tmp.wrapMode = metallicMap.wrapMode;
Object.DestroyImmediate(metallicMap, true);
metallicMap = tmp;
GCommon.TryAddObjectToAsset(metallicMap, TerrainData);
UpdateMaterials();
}
private void ResampleHeightMap()
{
if (heightMap == null)
{
return;
}
Texture2D tmp = new Texture2D(HeightMapResolution, HeightMapResolution, HeightMapFormat, false);
RenderTexture rt = new RenderTexture(HeightMapResolution, HeightMapResolution, 32, HeightMapRTFormat);
GCommon.CopyToRT(heightMap, rt);
GCommon.CopyFromRT(tmp, rt);
rt.Release();
Object.DestroyImmediate(rt);
tmp.name = heightMap.name;
tmp.filterMode = heightMap.filterMode;
tmp.wrapMode = heightMap.wrapMode;
Object.DestroyImmediate(heightMap, true);
heightMap = tmp;
GCommon.TryAddObjectToAsset(heightMap, TerrainData);
Internal_CreateNewSubDivisionMap();
SetRegionDirty(GCommon.UnitRect);
}
private void CopyTo(RenderTexture rt, Texture2D targetTex)
{
GCommon.CopyFromRT(targetTex, rt);
targetTex.Apply();
}
