/// @par
///
/// See the #rcConfig documentation for more information on the configuration parameters.
///
/// @see rcAllocPolyMeshDetail, rcPolyMesh, rcCompactHeightfield, rcPolyMeshDetail, rcConfig
public static bool rcBuildPolyMeshDetail(rcContext ctx, rcPolyMesh mesh, rcCompactHeightfield chf,
float sampleDist, float sampleMaxError,
rcPolyMeshDetail dmesh)
{
Debug.Assert(ctx != null, "rcContext is null");
ctx.startTimer(rcTimerLabel.RC_TIMER_BUILD_POLYMESHDETAIL);
if (mesh.nverts == 0 || mesh.npolys == 0)
return true;
int nvp = mesh.nvp;
float cs = mesh.cs;
float ch = mesh.ch;
float[] orig = mesh.bmin;
int borderSize = mesh.borderSize;
List<int> edges = new List<int>();
List<int> tris = new List<int>();
List<int> stack = new List<int>();
List<int> samples = new List<int>();
edges.Capacity = 64;
tris.Capacity = 512;
stack.Capacity = 512;
samples.Capacity = 512;
float[] verts = new float[256*3];
rcHeightPatch hp = new rcHeightPatch();
int nPolyVerts = 0;
int maxhw = 0, maxhh = 0;
//rcScopedDelete<int> bounds = (int*)rcAlloc(sizeof(int)*mesh.npolys*4, RC_ALLOC_TEMP);
int[] bounds = new int[mesh.npolys*4];
if (bounds == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'bounds' ("+ mesh.npolys*4+").");
return false;
}
//rcScopedDelete<float> poly = (float*)rcAlloc(sizeof(float)*nvp*3, RC_ALLOC_TEMP);
float[] poly = new float[nvp*3];
if (poly == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'poly' ("+nvp*3+").");
return false;
}
// Find max size for a polygon area.
for (int i = 0; i < mesh.npolys; ++i)
{
//ushort* p = &mesh.polys[i*nvp*2];
int pStart = i*nvp*2;
//int& xmin = bounds[i*4+0];
//int& xmax = bounds[i*4+1];
//int& ymin = bounds[i*4+2];
//int& ymax = bounds[i*4+3];
int xmin = i*4+0;
int xmax = i*4+1;
int ymin = i*4+2;
int ymax = i*4+3;
bounds[xmin] = chf.width;
bounds[xmax] = 0;
bounds[ymin] = chf.height;
bounds[ymax] = 0;
for (int j = 0; j < nvp; ++j)
{
if(mesh.polys[pStart + j] == RC_MESH_NULL_IDX)
break;
//t ushort* v = &mesh.verts[p[j]*3];
int vIndex = mesh.polys[pStart + j] * 3;
bounds[xmin] = Math.Min(bounds[xmin], (int)mesh.verts[vIndex + 0]);
bounds[xmax] = Math.Max(bounds[xmax], (int)mesh.verts[vIndex + 0]);
bounds[ymin] = Math.Min(bounds[ymin], (int)mesh.verts[vIndex + 2]);
bounds[ymax] = Math.Max(bounds[ymax], (int)mesh.verts[vIndex + 2]);
nPolyVerts++;
}
bounds[xmin] = Math.Max(0,bounds[xmin]-1);
bounds[xmax] = Math.Min(chf.width,bounds[xmax]+1);
bounds[ymin] = Math.Max(0,bounds[ymin]-1);
bounds[ymax] = Math.Min(chf.height,bounds[ymax]+1);
if (bounds[xmin] >= bounds[xmax] || bounds[ymin] >= bounds[ymax]) continue;
maxhw = Math.Max(maxhw, bounds[xmax]-bounds[xmin]);
maxhh = Math.Max(maxhh, bounds[ymax]-bounds[ymin]);
}
//hp.data = (ushort*)rcAlloc(sizeof(ushort)*maxhw*maxhh, RC_ALLOC_TEMP);
hp.data = new ushort[maxhh*maxhw];
if (hp.data == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'hp.data' ("+maxhw*maxhh+").");
return false;
}
dmesh.nmeshes = mesh.npolys;
dmesh.nverts = 0;
dmesh.ntris = 0;
//dmesh.meshes = (uint*)rcAlloc(sizeof(uint)*dmesh.nmeshes*4, RC_ALLOC_PERM);
dmesh.meshes = new uint[dmesh.nmeshes*4];
if (dmesh.meshes == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'dmesh.meshes' ("+dmesh.nmeshes*4+").");
return false;
}
int vcap = nPolyVerts+nPolyVerts/2;
int tcap = vcap*2;
dmesh.nverts = 0;
//dmesh.verts = (float*)rcAlloc(sizeof(float)*vcap*3, RC_ALLOC_PERM);
dmesh.verts = new float[vcap*3];
if (dmesh.verts == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'dmesh.verts' ("+vcap*3+").");
return false;
}
dmesh.ntris = 0;
//dmesh.tris = (byte*)rcAlloc(sizeof(byte*)*tcap*4, RC_ALLOC_PERM);
dmesh.tris = new byte[tcap*4];
if (dmesh.tris == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'dmesh.tris' ("+tcap*4+").");
return false;
}
for (int i = 0; i < mesh.npolys; ++i)
{
//const ushort* p = &mesh.polys[i*nvp*2];
int pIndex = i*nvp*2;
// Store polygon vertices for processing.
int npoly = 0;
for (int j = 0; j < nvp; ++j)
{
if(mesh.polys[pIndex + j] == RC_MESH_NULL_IDX)
break;
//const ushort* v = &mesh.verts[p[j]*3];
int vIndex = mesh.polys[pIndex + j] * 3;
poly[j*3+0] = mesh.verts[vIndex + 0]*cs;
poly[j*3+1] = mesh.verts[vIndex + 1]*ch;
poly[j*3+2] = mesh.verts[vIndex + 2]*cs;
npoly++;
}
// Get the height data from the area of the polygon.
hp.xmin = bounds[i*4+0];
hp.ymin = bounds[i*4+2];
hp.width = bounds[i*4+1]-bounds[i*4+0];
hp.height = bounds[i*4+3]-bounds[i*4+2];
getHeightData(chf, mesh.polys, pIndex, npoly, mesh.verts, borderSize, hp, stack, mesh.regs[i]);
// Build detail mesh.
int nverts = 0;
if (!buildPolyDetail(ctx, poly, npoly,
sampleDist, sampleMaxError,
chf, hp, verts, ref nverts, tris,
edges, samples))
{
return false;
}
// Move detail verts to world space.
for (int j = 0; j < nverts; ++j)
{
verts[j*3+0] += orig[0];
verts[j*3+1] += orig[1] + chf.ch; // Is this offset necessary?
verts[j*3+2] += orig[2];
}
// Offset poly too, will be used to flag checking.
for (int j = 0; j < npoly; ++j)
{
poly[j*3+0] += orig[0];
poly[j*3+1] += orig[1];
poly[j*3+2] += orig[2];
}
// Store detail submesh.
int ntris = tris.Count/4;
dmesh.meshes[i*4+0] = (uint)dmesh.nverts;
dmesh.meshes[i*4+1] = (uint)nverts;
dmesh.meshes[i*4+2] = (uint)dmesh.ntris;
dmesh.meshes[i*4+3] = (uint)ntris;
// Store vertices, allocate more memory if necessary.
if (dmesh.nverts+nverts > vcap)
{
while (dmesh.nverts+nverts > vcap){
vcap += 256;
}
//float* newv = (float*)rcAlloc(sizeof(float)*vcap*3, RC_ALLOC_PERM);
float[] newv = new float[vcap*3];
if (newv == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'newv' ("+vcap*3+").");
return false;
}
if (dmesh.nverts != 0){
//memcpy(newv, dmesh.verts, sizeof(float)*3*dmesh.nverts);
for (int j=0;j<3*dmesh.nverts;++j){
newv[j] = dmesh.verts[j];
}
}
//rcFree(dmesh.verts);
//dmesh.verts = null;
dmesh.verts = newv;
}
for (int j = 0; j < nverts; ++j)
{
dmesh.verts[dmesh.nverts*3+0] = verts[j*3+0];
dmesh.verts[dmesh.nverts*3+1] = verts[j*3+1];
dmesh.verts[dmesh.nverts*3+2] = verts[j*3+2];
dmesh.nverts++;
}
// Store triangles, allocate more memory if necessary.
if (dmesh.ntris+ntris > tcap)
{
while (dmesh.ntris+ntris > tcap){
tcap += 256;
}
//byte* newt = (byte*)rcAlloc(sizeof(byte)*tcap*4, RC_ALLOC_PERM);
byte[] newt = new byte[tcap*4];
if (newt == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'newt' ("+tcap*4+").");
return false;
}
if (dmesh.ntris != 0){
//memcpy(newt, dmesh.tris, sizeof(byte)*4*dmesh.ntris);
for (int j = 0;j<4*dmesh.ntris;++j){
newt[j] = dmesh.tris[j];
}
}
//rcFree(dmesh.tris);
dmesh.tris = newt;
}
for (int j = 0; j < ntris; ++j)
{
//const int* t = &tris[j*4];
int tIndex = j*4;
dmesh.tris[dmesh.ntris*4+0] = (byte)tris[tIndex + 0];
dmesh.tris[dmesh.ntris*4+1] = (byte)tris[tIndex + 1];
dmesh.tris[dmesh.ntris*4+2] = (byte)tris[tIndex + 2];
dmesh.tris[dmesh.ntris*4+3] = getTriFlags(verts, tris[tIndex + 0]*3, verts, tris[tIndex + 1]*3, verts, tris[tIndex + 2]*3, poly, 0, npoly);
dmesh.ntris++;
}
}
ctx.stopTimer(rcTimerLabel.RC_TIMER_BUILD_POLYMESHDETAIL);
return true;
}
void buildMoveMapTile(uint mapID, uint tileX, uint tileY, MeshData meshData, float[] bmin, float[] bmax, dtNavMesh navMesh)
{
// console output
string tileString = $"[Map: {mapID:D4}] [{tileX:D2},{tileY:D2}]: ";
float[] tVerts = meshData.solidVerts.ToArray();
int tVertCount = meshData.solidVerts.Count / 3;
int[] tTris = meshData.solidTris.ToArray();
int tTriCount = meshData.solidTris.Count / 3;
float[] lVerts = meshData.liquidVerts.ToArray();
int lVertCount = meshData.liquidVerts.Count / 3;
int[] lTris = meshData.liquidTris.ToArray();
int lTriCount = meshData.liquidTris.Count / 3;
byte[] lTriFlags = meshData.liquidType.ToArray();
// these are WORLD UNIT based metrics
// this are basic unit dimentions
// value have to divide GRID_SIZE(533.3333f) ( aka: 0.5333, 0.2666, 0.3333, 0.1333, etc )
float BASE_UNIT_DIM = 0.2666666f;// m_bigBaseUnit ? 0.5333333f : 0.2666666f;
// All are in UNIT metrics!
int VERTEX_PER_MAP = (int)(SharedConst.GRID_SIZE / BASE_UNIT_DIM + 0.5f);
int VERTEX_PER_TILE = 80;// m_bigBaseUnit ? 40 : 80; // must divide VERTEX_PER_MAP
int TILES_PER_MAP = VERTEX_PER_MAP / VERTEX_PER_TILE;
rcConfig config = new rcConfig();
for (var i = 0; i < 3; ++i)
{
config.bmin[i] = bmin[i];
config.bmax[i] = bmax[i];
}
config.maxVertsPerPoly = SharedConst.DT_VERTS_PER_POLYGON;
config.cs = BASE_UNIT_DIM;
config.ch = BASE_UNIT_DIM;
config.walkableSlopeAngle = m_maxWalkableAngle;
config.tileSize = VERTEX_PER_TILE;
config.walkableRadius = 2; // m_bigBaseUnit ? 1 : 2;
config.borderSize = config.walkableRadius + 3;
config.maxEdgeLen = VERTEX_PER_TILE + 1; // anything bigger than tileSize
config.walkableHeight = 6; // m_bigBaseUnit ? 3 : 6;
// a value >= 3|6 allows npcs to walk over some fences
// a value >= 4|8 allows npcs to walk over all fences
config.walkableClimb = 8;// m_bigBaseUnit ? 4 : 8;
config.minRegionArea = (60 * 60);
config.mergeRegionArea = (50 * 50);
config.maxSimplificationError = 1.8f; // eliminates most jagged edges (tiny polygons)
config.detailSampleDist = config.cs * 64;
config.detailSampleMaxError = config.ch * 2;
// this sets the dimensions of the heightfield - should maybe happen before border padding
int width, height;
rcCalcGridSize(config.bmin, config.bmax, config.cs, out width, out height);
config.width = width;
config.height = height;
// allocate subregions : tiles
Tile[] tiles = new Tile[TILES_PER_MAP * TILES_PER_MAP];
// Initialize per tile config.
rcConfig tileCfg = new rcConfig(config);
tileCfg.width = config.tileSize + config.borderSize * 2;
tileCfg.height = config.tileSize + config.borderSize * 2;
// merge per tile poly and detail meshes
rcPolyMesh[] pmmerge = new rcPolyMesh[TILES_PER_MAP * TILES_PER_MAP];
rcPolyMeshDetail[] dmmerge = new rcPolyMeshDetail[TILES_PER_MAP * TILES_PER_MAP];
int nmerge = 0;
// build all tiles
for (int y = 0; y < TILES_PER_MAP; ++y)
{
for (int x = 0; x < TILES_PER_MAP; ++x)
{
Tile tile = tiles[x + y * TILES_PER_MAP];
// Calculate the per tile bounding box.
tileCfg.bmin[0] = config.bmin[0] + (float)(x * config.tileSize - config.borderSize) * config.cs;
tileCfg.bmin[2] = config.bmin[2] + (float)(y * config.tileSize - config.borderSize) * config.cs;
tileCfg.bmax[0] = config.bmin[0] + (float)((x + 1) * config.tileSize + config.borderSize) * config.cs;
tileCfg.bmax[2] = config.bmin[2] + (float)((y + 1) * config.tileSize + config.borderSize) * config.cs;
// build heightfield
tile.solid = new rcHeightfield();
if (!rcCreateHeightfield(m_rcContext, tile.solid, tileCfg.width, tileCfg.height, tileCfg.bmin, tileCfg.bmax, tileCfg.cs, tileCfg.ch))
{
//Console.WriteLine($"{tileString} Failed building heightfield! ");
continue;
}
// mark all walkable tiles, both liquids and solids
byte[] triFlags = new byte[tTriCount];
for (var i = 0; i < tTriCount; ++i)
{
triFlags[i] = (byte)NavArea.Ground;
}
rcClearUnwalkableTriangles(m_rcContext, tileCfg.walkableSlopeAngle, tVerts, tVertCount, tTris, tTriCount, triFlags);
rcRasterizeTriangles(m_rcContext, tVerts, tVertCount, tTris, triFlags, tTriCount, tile.solid, config.walkableClimb);
rcFilterLowHangingWalkableObstacles(m_rcContext, config.walkableClimb, tile.solid);
rcFilterLedgeSpans(m_rcContext, tileCfg.walkableHeight, tileCfg.walkableClimb, tile.solid);
rcFilterWalkableLowHeightSpans(m_rcContext, tileCfg.walkableHeight, tile.solid);
rcRasterizeTriangles(m_rcContext, lVerts, lVertCount, lTris, lTriFlags, lTriCount, tile.solid, config.walkableClimb);
// compact heightfield spans
tile.chf = new rcCompactHeightfield();
if (!rcBuildCompactHeightfield(m_rcContext, tileCfg.walkableHeight, tileCfg.walkableClimb, tile.solid, tile.chf))
{
//Console.WriteLine($"{tileString} Failed compacting heightfield!");
continue;
}
// build polymesh intermediates
if (!rcErodeWalkableArea(m_rcContext, config.walkableRadius, tile.chf))
{
//Console.WriteLine($"{tileString} Failed eroding area!");
continue;
}
if (!rcBuildDistanceField(m_rcContext, tile.chf))
{
//Console.WriteLine($"{tileString} Failed building distance field!");
continue;
}
if (!rcBuildRegions(m_rcContext, tile.chf, tileCfg.borderSize, tileCfg.minRegionArea, tileCfg.mergeRegionArea))
{
//Console.WriteLine($"{tileString} Failed building regions!");
continue;
}
tile.cset = new rcContourSet();
if (!rcBuildContours(m_rcContext, tile.chf, tileCfg.maxSimplificationError, tileCfg.maxEdgeLen, tile.cset))
{
//Console.WriteLine($"{tileString} Failed building contours!");
continue;
}
// build polymesh
tile.pmesh = new rcPolyMesh();
if (!rcBuildPolyMesh(m_rcContext, tile.cset, tileCfg.maxVertsPerPoly, tile.pmesh))
{
//Console.WriteLine($"{tileString} Failed building polymesh!");
continue;
}
tile.dmesh = new rcPolyMeshDetail();
if (!rcBuildPolyMeshDetail(m_rcContext, tile.pmesh, tile.chf, tileCfg.detailSampleDist, tileCfg.detailSampleMaxError, tile.dmesh))
{
//Console.WriteLine($"{tileString} Failed building polymesh detail!");
continue;
}
// free those up
// we may want to keep them in the future for debug
// but right now, we don't have the code to merge them
tile.solid = null;
tile.chf = null;
tile.cset = null;
pmmerge[nmerge] = tile.pmesh;
dmmerge[nmerge] = tile.dmesh;
nmerge++;
}
}
rcPolyMesh pmesh = new rcPolyMesh();
rcMergePolyMeshes(m_rcContext, pmmerge, nmerge, pmesh);
rcPolyMeshDetail dmesh = new rcPolyMeshDetail();
rcMergePolyMeshDetails(m_rcContext, dmmerge, nmerge, dmesh);
// set polygons as walkable
// TODO: special flags for DYNAMIC polygons, ie surfaces that can be turned on and off
for (int i = 0; i < pmesh.npolys; ++i)
{
byte area = (byte)(pmesh.areas[i] & SharedConst.RC_WALKABLE_AREA);
if (area != 0)
{
if (area >= (byte)NavArea.MagmaSlime)
{
pmesh.flags[i] = (ushort)(1 << (63 - area));
}
else
{
pmesh.flags[i] = (byte)NavTerrainFlag.Ground; // TODO: these will be dynamic in future
}
}
}
// setup mesh parameters
dtNavMeshCreateParams createParams = new dtNavMeshCreateParams();
createParams.verts = pmesh.verts;
createParams.vertCount = pmesh.nverts;
createParams.polys = pmesh.polys;
createParams.polyAreas = pmesh.areas;
createParams.polyFlags = pmesh.flags;
createParams.polyCount = pmesh.npolys;
createParams.nvp = pmesh.nvp;
createParams.detailMeshes = dmesh.meshes;
createParams.detailVerts = dmesh.verts;
createParams.detailVertsCount = dmesh.nverts;
createParams.detailTris = dmesh.tris;
createParams.detailTriCount = dmesh.ntris;
createParams.offMeshConVerts = meshData.offMeshConnections.ToArray();
createParams.offMeshConCount = meshData.offMeshConnections.Count / 6;
createParams.offMeshConRad = meshData.offMeshConnectionRads.ToArray();
createParams.offMeshConDir = meshData.offMeshConnectionDirs.ToArray();
createParams.offMeshConAreas = meshData.offMeshConnectionsAreas.ToArray();
createParams.offMeshConFlags = meshData.offMeshConnectionsFlags.ToArray();
createParams.walkableHeight = BASE_UNIT_DIM * config.walkableHeight; // agent height
createParams.walkableRadius = BASE_UNIT_DIM * config.walkableRadius; // agent radius
createParams.walkableClimb = BASE_UNIT_DIM * config.walkableClimb; // keep less that walkableHeight (aka agent height)!
createParams.tileX = (int)((((bmin[0] + bmax[0]) / 2) - navMesh.getParams().orig[0]) / SharedConst.GRID_SIZE);
createParams.tileY = (int)((((bmin[2] + bmax[2]) / 2) - navMesh.getParams().orig[2]) / SharedConst.GRID_SIZE);
createParams.bmin = bmin;
createParams.bmax = bmax;
createParams.cs = config.cs;
createParams.ch = config.ch;
createParams.tileLayer = 0;
createParams.buildBvTree = true;
// will hold final navmesh
dtRawTileData dtRawTile;
do
{
// these values are checked within dtCreateNavMeshData - handle them here
// so we have a clear error message
if (createParams.nvp > SharedConst.DT_VERTS_PER_POLYGON)
{
//Console.WriteLine($"{tileString} Invalid verts-per-polygon value!");
break;
}
if (createParams.vertCount >= 0xffff)
{
//Console.WriteLine($"{tileString} Too many vertices!");
break;
}
if (createParams.vertCount == 0 || createParams.verts == null)
{
// occurs mostly when adjacent tiles have models
// loaded but those models don't span into this tile
// message is an annoyance
break;
}
if (createParams.polyCount == 0 || createParams.polys == null ||
TILES_PER_MAP * TILES_PER_MAP == createParams.polyCount)
{
// we have flat tiles with no actual geometry - don't build those, its useless
// keep in mind that we do output those into debug info
// drop tiles with only exact count - some tiles may have geometry while having less tiles
//Console.WriteLine($"{tileString} No polygons to build on tile! ");
break;
}
if (createParams.detailMeshes == null || createParams.detailVerts == null || createParams.detailTris == null)
{
//Console.WriteLine($"{tileString} No detail mesh to build tile!");
break;
}
if (!dtCreateNavMeshData(createParams, out dtRawTile))
{
//Console.WriteLine($"{tileString} Failed building navmesh tile!");
break;
}
ulong tileRef = 0;
// DT_TILE_FREE_DATA tells detour to unallocate memory when the tile
// is removed via removeTile()
if (dtStatusFailed(navMesh.addTile(dtRawTile, 1, 0, ref tileRef)) || tileRef == 0)
{
//Console.WriteLine($"{tileString} Failed adding tile to navmesh!");
break;
}
// file output
string fileName = $"mmaps/{mapID:D4}{tileY:D2}{tileX:D2}.mmtile";
using (BinaryWriter binaryWriter = new BinaryWriter(File.Open(fileName, FileMode.Create, FileAccess.Write)))
{
var navData = dtRawTile.ToBytes();
// write header
MmapTileHeader header = new MmapTileHeader();
header.mmapMagic = SharedConst.MMAP_MAGIC;
header.dtVersion = SharedConst.DT_NAVMESH_VERSION;
header.mmapVersion = SharedConst.MMAP_VERSION;
header.usesLiquids = m_terrainBuilder.usesLiquids();
header.size = (uint)navData.Length;
binaryWriter.WriteStruct(header);
// write data
binaryWriter.Write(navData);
}
// now that tile is written to disk, we can unload it
navMesh.removeTile(tileRef, out dtRawTile);
}while (false);
if (_debugMaps)
{
generateObjFile(mapID, tileX, tileY, meshData);
}
}
/// @see rcAllocPolyMeshDetail, rcPolyMeshDetail
static bool rcMergePolyMeshDetails(rcContext ctx, rcPolyMeshDetail[] meshes, int nmeshes, ref rcPolyMeshDetail mesh)
{
Debug.Assert(ctx != null, "rcContext is null");
ctx.startTimer(rcTimerLabel.RC_TIMER_MERGE_POLYMESHDETAIL);
int maxVerts = 0;
int maxTris = 0;
int maxMeshes = 0;
for (int i = 0; i < nmeshes; ++i)
{
if (meshes[i] == null) {
continue;
}
maxVerts += meshes[i].nverts;
maxTris += meshes[i].ntris;
maxMeshes += meshes[i].nmeshes;
}
mesh.nmeshes = 0;
//mesh.meshes = (uint*)rcAlloc(sizeof(uint)*maxMeshes*4, RC_ALLOC_PERM);
mesh.meshes = new uint[maxMeshes*4];
if (mesh.meshes == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'pmdtl.meshes' ("+maxMeshes*4+").");
return false;
}
mesh.ntris = 0;
//mesh.tris = (byte*)rcAlloc(sizeof(byte)*maxTris*4, RC_ALLOC_PERM);
mesh.tris = new byte[maxTris*4];
if (mesh.tris == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'dmesh.tris' (" + maxTris*4 + ").");
return false;
}
mesh.nverts = 0;
//mesh.verts = (float*)rcAlloc(sizeof(float)*maxVerts*3, RC_ALLOC_PERM);
mesh.verts = new float[maxVerts*3];
if (mesh.verts == null)
{
ctx.log(rcLogCategory.RC_LOG_ERROR, "rcBuildPolyMeshDetail: Out of memory 'dmesh.verts' ("+maxVerts*3+").");
return false;
}
// Merge datas.
for (int i = 0; i < nmeshes; ++i)
{
rcPolyMeshDetail dm = meshes[i];
if (dm == null) {
continue;
}
for (int j = 0; j < dm.nmeshes; ++j)
{
//uint* dst = &mesh.meshes[mesh.nmeshes*4];
//uint* src = &dm.meshes[j*4];
int dstIndex = mesh.nmeshes*4;
int srcIndex = j*4;
mesh.meshes[dstIndex + 0] = (uint)mesh.nverts + dm.meshes[srcIndex + 0];
mesh.meshes[dstIndex + 1] = dm.meshes[srcIndex + 1];
mesh.meshes[dstIndex + 2] = (uint)mesh.ntris + dm.meshes[srcIndex + 2];
mesh.meshes[dstIndex + 3] = dm.meshes[srcIndex + 3];
mesh.nmeshes++;
}
for (int k = 0; k < dm.nverts; ++k)
{
rcVcopy(mesh.verts,mesh.nverts*3, dm.verts, k*3);
mesh.nverts++;
}
for (int k = 0; k < dm.ntris; ++k)
{
mesh.tris[mesh.ntris*4+0] = dm.tris[k*4+0];
mesh.tris[mesh.ntris*4+1] = dm.tris[k*4+1];
mesh.tris[mesh.ntris*4+2] = dm.tris[k*4+2];
mesh.tris[mesh.ntris*4+3] = dm.tris[k*4+3];
mesh.ntris++;
}
}
ctx.stopTimer(rcTimerLabel.RC_TIMER_MERGE_POLYMESHDETAIL);
return true;
}
