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.");
}
}
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 DrawOnTerrain(GStylizedTerrain t)
{
Vector3[] worldCorners = GCommon.GetBrushQuadCorners(transform.position, Radius, 0);
Vector2[] uvCorners = new Vector2[worldCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = t.WorldPointToUV(worldCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
RenderTexture rt = t.GetGrassVectorFieldRenderTexture();
Material mat = GInternalMaterials.InteractiveGrassVectorFieldMaterial;
mat.SetFloat("_Opacity", t.TerrainData.Foliage.BendSensitive);
int pass = 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
}
