// Create a mesh for the terrain of the current scene
public static BInstance CreateTerrainMesh(
Scene scene,
PrimToMesh assetMesher, IAssetFetcher assetFetcher)
{
ITerrainChannel terrainDef = scene.Heightmap;
int XSize = terrainDef.Width;
int YSize = terrainDef.Height;
float[,] heightMap = new float[XSize, YSize];
if (ConvOAR.Globals.parms.P <bool>("HalfRezTerrain"))
{
ConvOAR.Globals.log.DebugFormat("{0}: CreateTerrainMesh. creating half sized terrain sized <{1},{2}>", LogHeader, XSize / 2, YSize / 2);
// Half resolution mesh that approximates the heightmap
heightMap = new float[XSize / 2, YSize / 2];
for (int xx = 0; xx < XSize; xx += 2)
{
for (int yy = 0; yy < YSize; yy += 2)
{
float here = terrainDef.GetHeightAtXYZ(xx + 0, yy + 0, 26);
float ln = terrainDef.GetHeightAtXYZ(xx + 1, yy + 0, 26);
float ll = terrainDef.GetHeightAtXYZ(xx + 0, yy + 1, 26);
float lr = terrainDef.GetHeightAtXYZ(xx + 1, yy + 1, 26);
heightMap[xx / 2, yy / 2] = (here + ln + ll + lr) / 4;
}
}
}
else
{
ConvOAR.Globals.log.DebugFormat("{0}: CreateTerrainMesh. creating terrain sized <{1},{2}>", LogHeader, XSize / 2, YSize / 2);
for (int xx = 0; xx < XSize; xx++)
{
for (int yy = 0; yy < YSize; yy++)
{
heightMap[xx, yy] = terrainDef.GetHeightAtXYZ(xx, yy, 26);
}
}
}
// Number found in RegionSettings.cs as DEFAULT_TERRAIN_TEXTURE_3
OMV.UUID convoarID = new OMV.UUID(ConvOAR.Globals.parms.P <string>("ConvoarID"));
OMV.UUID defaultTextureID = new OMV.UUID("179cdabd-398a-9b6b-1391-4dc333ba321f");
OMV.Primitive.TextureEntryFace terrainFace = new OMV.Primitive.TextureEntryFace(null);
terrainFace.TextureID = defaultTextureID;
EntityHandleUUID terrainTextureHandle = new EntityHandleUUID();
MaterialInfo terrainMaterialInfo = new MaterialInfo(terrainFace);
if (ConvOAR.Globals.parms.P <bool>("CreateTerrainSplat"))
{
// Use the OpenSim maptile generator to create a texture for the terrain
var terrainRenderer = new TexturedMapTileRenderer();
Nini.Config.IConfigSource config = new Nini.Config.IniConfigSource();
terrainRenderer.Initialise(scene, config);
var mapbmp = new Bitmap(terrainDef.Width, terrainDef.Height,
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
terrainRenderer.TerrainToBitmap(mapbmp);
// Place the newly created image into the Displayable caches
ImageInfo terrainImageInfo = new ImageInfo();
terrainImageInfo.handle = terrainTextureHandle;
terrainImageInfo.image = mapbmp;
terrainImageInfo.resizable = false; // terrain image resolution is not reduced
assetFetcher.Images.Add(new BHashULong(terrainTextureHandle.GetHashCode()), terrainTextureHandle, terrainImageInfo);
// Store the new image into the asset system so it can be read later.
assetFetcher.StoreTextureImage(terrainTextureHandle, scene.Name + " Terrain", convoarID, mapbmp);
// Link this image to the material
terrainFace.TextureID = terrainTextureHandle.GetUUID();
}
else
{
// Use the default texture code for terrain
terrainTextureHandle = new EntityHandleUUID(defaultTextureID);
BHash terrainHash = new BHashULong(defaultTextureID.GetHashCode());
assetFetcher.GetImageInfo(terrainHash, () => {
ImageInfo terrainImageInfo = new ImageInfo();
terrainImageInfo.handle = terrainTextureHandle;
assetFetcher.FetchTextureAsImage(terrainTextureHandle)
.Then(img => {
terrainImageInfo.image = img;
});
return(terrainImageInfo);
});
}
// The above has created a MaterialInfo for the terrain texture
ConvOAR.Globals.log.DebugFormat("{0}: CreateTerrainMesh. calling MeshFromHeightMap", LogHeader);
DisplayableRenderable terrainDisplayable = assetMesher.MeshFromHeightMap(heightMap,
terrainDef.Width, terrainDef.Height, assetFetcher, terrainFace);
BInstance terrainInstance = new BInstance();
Displayable terrainDisp = new Displayable(terrainDisplayable);
terrainDisp.name = "Terrain";
terrainDisp.baseUUID = OMV.UUID.Random();
terrainInstance.Representation = terrainDisp;
return(terrainInstance);
}
private RenderableMesh ConvertFaceToRenderableMesh(OMVR.Face face, IAssetFetcher assetFetcher,
OMV.Primitive.TextureEntryFace defaultTexture, OMV.Vector3 primScale)
{
RenderableMesh rmesh = new RenderableMesh();
rmesh.num = face.ID;
// Copy one face's mesh imformation from the FacetedMesh into a MeshInfo
MeshInfo meshInfo = new MeshInfo {
vertexs = new List <OMVR.Vertex>(face.Vertices),
indices = face.Indices.ConvertAll(ii => (int)ii),
faceCenter = face.Center,
scale = primScale
};
BConverterOS.LogBProgress("{0} ConvertFaceToRenderableMesh: faceId={1}, numVert={2}, numInd={3}",
_logHeader, face.ID, meshInfo.vertexs.Count, meshInfo.indices.Count);
if (!ConvOAR.Globals.parms.P <bool>("DisplayTimeScaling"))
{
if (ScaleMeshes(meshInfo, primScale))
{
BConverterOS.LogBProgress("{0} ConvertFaceToRenderableMesh: scaled mesh to {1}",
_logHeader, primScale);
}
meshInfo.scale = OMV.Vector3.One;
}
// Find or create the MaterialInfo for this face.
MaterialInfo matInfo = new MaterialInfo(face, defaultTexture);
if (matInfo.textureID != null &&
matInfo.textureID != OMV.UUID.Zero &&
matInfo.textureID != OMV.Primitive.TextureEntry.WHITE_TEXTURE)
{
// Textures/images use the UUID from OpenSim and the hash is just the hash of the UUID
EntityHandleUUID textureHandle = new EntityHandleUUID((OMV.UUID)matInfo.textureID);
BHash textureHash = new BHashULong(textureHandle.GetUUID().GetHashCode());
ImageInfo lookupImageInfo = assetFetcher.GetImageInfo(textureHash, () => {
// The image is not in the cache yet so create an ImageInfo entry for it
// Note that image gets the same UUID as the OpenSim texture
ImageInfo imageInfo = new ImageInfo(textureHandle);
assetFetcher.FetchTextureAsImage(textureHandle)
.Then(img => {
imageInfo.SetImage(img);
})
.Catch(e => {
// Failure getting the image
ConvOAR.Globals.log.ErrorFormat("{0} Failure fetching texture. id={1}. {2}",
_logHeader, matInfo.textureID, e);
// Create a simple, single color image to fill in for the missing image
var fillInImage = new Bitmap(32, 32, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Color theColor = Color.FromArgb(128, 202, 213, 170); // 0x80CAB5AA
for (int xx = 0; xx < 32; xx++)
{
for (int yy = 0; yy < 32; yy++)
{
fillInImage.SetPixel(xx, yy, theColor);
}
}
imageInfo.SetImage(fillInImage);
});
imageInfo.imageIdentifier = (OMV.UUID)matInfo.textureID;
BConverterOS.LogBProgress("{0} ConvertFaceToRenderableMesh: create ImageInfo. hash={1}, id={2}",
_logHeader, textureHash, imageInfo.handle);
return(imageInfo);
});
matInfo.image = lookupImageInfo;
// Update the UV information for the texture mapping
BConverterOS.LogBProgress("{0} ConvertFaceToRenderableMesh: Converting tex coords using {1} texture",
_logHeader, face.TextureFace == null ? "default" : "face");
_mesher.TransformTexCoords(meshInfo.vertexs, meshInfo.faceCenter,
face.TextureFace == null ? defaultTexture : face.TextureFace, primScale);
}
// See that the material is in the cache
MaterialInfo lookupMatInfo = assetFetcher.GetMaterialInfo(matInfo.GetBHash(), () => { return(matInfo); });
rmesh.material = lookupMatInfo;
// See that the mesh is in the cache
MeshInfo lookupMeshInfo = assetFetcher.GetMeshInfo(meshInfo.GetBHash(true), () => { return(meshInfo); });
rmesh.mesh = lookupMeshInfo;
if (lookupMeshInfo.indices.Count == 0) // DEBUG DEBUG
{
ConvOAR.Globals.log.ErrorFormat("{0} indices count of zero. rmesh={1}", _logHeader, rmesh.ToString());
} // DEBUG DEBUG
BConverterOS.LogBProgress("{0} ConvertFaceToRenderableMesh: rmesh.mesh={1}, rmesh.material={2}",
_logHeader, rmesh.mesh, rmesh.material);
return(rmesh);
}