/**************************************************************************/
public bool loadVMap(uint mapID, uint tileX, uint tileY, MeshData meshData)
{
bool result = vmapManager.LoadSingleMap(mapID, "vmaps", tileX, tileY);
bool retval = false;
do
{
if (!result)
{
break;
}
Dictionary <uint, StaticMapTree> instanceTrees;
vmapManager.GetInstanceMapTree(out instanceTrees);
if (instanceTrees[mapID] == null)
{
break;
}
ModelInstance[] models = null;
uint count;
instanceTrees[mapID].GetModelInstances(out models, out count);
if (models == null)
{
break;
}
for (uint i = 0; i < count; ++i)
{
ModelInstance instance = models[i];
if (instance == null)
{
continue;
}
// model instances exist in tree even though there are instances of that model in this tile
WorldModel worldModel = instance.GetWorldModel();
if (worldModel == null)
{
continue;
}
// now we have a model to add to the meshdata
retval = true;
List <GroupModel> groupModels;
worldModel.getGroupModels(out groupModels);
// all M2s need to have triangle indices reversed
bool isM2 = (instance.flags & ModelFlags.M2) != 0;
// transform data
float scale = instance.iScale;
Matrix3 rotation = Matrix3.fromEulerAnglesXYZ(MathF.PI * instance.iRot.Z / -180.0f, MathF.PI * instance.iRot.X / -180.0f, MathF.PI * instance.iRot.Y / -180.0f);
Vector3 position = instance.iPos;
position.X -= 32 * SharedConst.GRID_SIZE;
position.Y -= 32 * SharedConst.GRID_SIZE;
foreach (var it in groupModels)
{
List <Vector3> tempVertices;
List <Vector3> transformedVertices = new List <Vector3>();
List <MeshTriangle> tempTriangles;
WmoLiquid liquid = null;
it.GetMeshData(out tempVertices, out tempTriangles, out liquid);
// first handle collision mesh
transform(tempVertices.ToArray(), transformedVertices, scale, rotation, position);
int offset = meshData.solidVerts.Count / 3;
copyVertices(transformedVertices.ToArray(), meshData.solidVerts);
copyIndices(tempTriangles, meshData.solidTris, offset, isM2);
// now handle liquid data
if (liquid != null && liquid.iFlags != null)
{
List <Vector3> liqVerts = new List <Vector3>();
List <uint> liqTris = new List <uint>();
uint tilesX, tilesY, vertsX, vertsY;
Vector3 corner;
liquid.GetPosInfo(out tilesX, out tilesY, out corner);
vertsX = tilesX + 1;
vertsY = tilesY + 1;
byte[] flags = liquid.iFlags;
float[] data = liquid.iHeight;
NavArea type = NavArea.Empty;
// convert liquid type to NavTerrain
var liquidTypeRecord = liquidTypeStorage.LookupByKey(liquid.GetLiquidType());
uint liquidFlags = (uint)(liquidTypeRecord != null ? (1 << liquidTypeRecord.SoundBank) : 0);
if ((liquidFlags & (uint)(LiquidTypeMask.Water | LiquidTypeMask.Ocean)) != 0)
{
type = NavArea.Water;
}
else if ((liquidFlags & (uint)(LiquidTypeMask.Magma | LiquidTypeMask.Slime)) != 0)
{
type = NavArea.MagmaSlime;
}
// indexing is weird...
// after a lot of trial and error, this is what works:
// vertex = y*vertsX+x
// tile = x*tilesY+y
// flag = y*tilesY+x
Vector3 vert;
for (uint x = 0; x < vertsX; ++x)
{
for (uint y = 0; y < vertsY; ++y)
{
vert = new Vector3(corner.X + x * SharedConst.GRID_PART_SIZE, corner.Y + y * SharedConst.GRID_PART_SIZE, data[y * vertsX + x]);
vert = vert * rotation * scale + position;
vert.X *= -1.0f;
vert.Y *= -1.0f;
liqVerts.Add(vert);
}
}
uint idx1, idx2, idx3, idx4;
uint square;
for (uint x = 0; x < tilesX; ++x)
{
for (uint y = 0; y < tilesY; ++y)
{
if ((flags[x + y * tilesX] & 0x0f) != 0x0f)
{
square = x * tilesY + y;
idx1 = square + x;
idx2 = square + 1 + x;
idx3 = square + tilesY + 1 + 1 + x;
idx4 = square + tilesY + 1 + x;
// top triangle
liqTris.Add(idx3);
liqTris.Add(idx2);
liqTris.Add(idx1);
// bottom triangle
liqTris.Add(idx4);
liqTris.Add(idx3);
liqTris.Add(idx1);
}
}
}
int liqOffset = meshData.liquidVerts.Count / 3;
for (int x = 0; x < liqVerts.Count; ++x)
{
meshData.liquidVerts.Add(liqVerts[x].Y);
meshData.liquidVerts.Add(liqVerts[x].Z);
meshData.liquidVerts.Add(liqVerts[x].X);
}
for (int x = 0; x < liqTris.Count / 3; ++x)
{
meshData.liquidTris.Add((int)(liqTris[x * 3 + 1] + liqOffset));
meshData.liquidTris.Add((int)(liqTris[x * 3 + 2] + liqOffset));
meshData.liquidTris.Add((int)(liqTris[x * 3] + liqOffset));
meshData.liquidType.Add((byte)type);
}
}
}
}
}while (false);
vmapManager.UnloadSingleMap(mapID, tileX, tileY);
return(retval);
}
