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This commit is contained in:
aozhiwei 2020-08-14 14:25:14 +08:00
parent 67b7c7297a
commit 07b134b10b
2 changed files with 42 additions and 44 deletions
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78
server/gameserver/navmeshbuilder.cc
View File

@ -32,40 +32,15 @@ dtNavMesh* NavMeshBuilder::Build(MapInstance* map_instance)
void NavMeshBuilder::InitBuilderParams(BuilderParams& builder_params)
{
{
// Init cache
rcCalcGridSize(builder_params.gemo->GetMeshBoundsMin(),
builder_params.gemo->GetMeshBoundsMax(),
builder_params.kCellSize,
&builder_params.gw,
&builder_params.gh);
builder_params.ts = (int)builder_params.kTileSize;
builder_params.tw = (builder_params.gw + builder_params.ts-1) / builder_params.ts;
builder_params.th = (builder_params.gh + builder_params.ts-1) / builder_params.ts;
}
{
rcConfig& cfg = builder_params.cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.cs = builder_params.kCellSize;
cfg.ch = builder_params.kCellHeight;
cfg.walkableSlopeAngle = builder_params.kAgentMaxSlope;
cfg.walkableHeight = (int)ceilf(builder_params.kAgentHeight / cfg.ch);
cfg.walkableClimb = (int)floorf(builder_params.kAgentMaxClimb / cfg.ch);
cfg.walkableRadius = (int)ceilf(builder_params.kAgentRadius / cfg.cs);
cfg.maxEdgeLen = (int)(builder_params.kEdgeMaxLen / builder_params.kCellSize);
cfg.maxSimplificationError = builder_params.kEdgeMaxError;
cfg.minRegionArea = (int)rcSqr(builder_params.kRegionMinSize); // Note: area = size*size
cfg.mergeRegionArea = (int)rcSqr(builder_params.kRegionMergeSize); // Note: area = size*size
cfg.maxVertsPerPoly = (int)builder_params.kVertsPerPoly;
cfg.tileSize = (int)builder_params.kTileSize;
cfg.borderSize = cfg.walkableRadius + 3; // Reserve enough padding.
cfg.width = cfg.tileSize + cfg.borderSize*2;
cfg.height = cfg.tileSize + cfg.borderSize*2;
cfg.detailSampleDist = builder_params.kDetailSampleDist < 0.9f ? 0 : builder_params.kCellSize * builder_params.kDetailSampleDist;
cfg.detailSampleMaxError = builder_params.kCellHeight * builder_params.kDetailSampleMaxError;
rcVcopy(cfg.bmin, builder_params.gemo->GetMeshBoundsMin());
rcVcopy(cfg.bmax, builder_params.gemo->GetMeshBoundsMax());
}
// Init cache
rcCalcGridSize(builder_params.gemo->GetMeshBoundsMin(),
builder_params.gemo->GetMeshBoundsMax(),
builder_params.kCellSize,
&builder_params.gw,
&builder_params.gh);
builder_params.ts = (int)builder_params.kTileSize;
builder_params.tw = (builder_params.gw + builder_params.ts-1) / builder_params.ts;
builder_params.th = (builder_params.gh + builder_params.ts-1) / builder_params.ts;
}
void NavMeshBuilder::InitTileCacheParams(BuilderParams& builder_params, dtTileCacheParams& tcparams)
@ -97,11 +72,34 @@ void NavMeshBuilder::InitNavMeshParams(BuilderParams& builder_params, dtNavMeshP
void NavMeshBuilder::BuildTiles(BuilderParams& builder_params)
{
rcConfig cfg;
{
memset(&cfg, 0, sizeof(cfg));
cfg.cs = builder_params.kCellSize;
cfg.ch = builder_params.kCellHeight;
cfg.walkableSlopeAngle = builder_params.kAgentMaxSlope;
cfg.walkableHeight = (int)ceilf(builder_params.kAgentHeight / cfg.ch);
cfg.walkableClimb = (int)floorf(builder_params.kAgentMaxClimb / cfg.ch);
cfg.walkableRadius = (int)ceilf(builder_params.kAgentRadius / cfg.cs);
cfg.maxEdgeLen = (int)(builder_params.kEdgeMaxLen / builder_params.kCellSize);
cfg.maxSimplificationError = builder_params.kEdgeMaxError;
cfg.minRegionArea = (int)rcSqr(builder_params.kRegionMinSize); // Note: area = size*size
cfg.mergeRegionArea = (int)rcSqr(builder_params.kRegionMergeSize); // Note: area = size*size
cfg.maxVertsPerPoly = (int)builder_params.kVertsPerPoly;
cfg.tileSize = (int)builder_params.kTileSize;
cfg.borderSize = cfg.walkableRadius + 3; // Reserve enough padding.
cfg.width = cfg.tileSize + cfg.borderSize*2;
cfg.height = cfg.tileSize + cfg.borderSize*2;
cfg.detailSampleDist = builder_params.kDetailSampleDist < 0.9f ? 0 : builder_params.kCellSize * builder_params.kDetailSampleDist;
cfg.detailSampleMaxError = builder_params.kCellHeight * builder_params.kDetailSampleMaxError;
rcVcopy(cfg.bmin, builder_params.gemo->GetMeshBoundsMin());
rcVcopy(cfg.bmax, builder_params.gemo->GetMeshBoundsMax());
}
for (int y = 0; y < builder_params.th; ++y) {
for (int x = 0; x < builder_params.tw; ++x) {
TileCacheData tiles[MAX_LAYERS];
memset(tiles, 0, sizeof(tiles));
int ntiles = RasterizeTileLayers(x, y, builder_params.cfg, tiles, MAX_LAYERS);
int ntiles = RasterizeTileLayers(x, y, cfg, tiles, MAX_LAYERS);
for (int i = 0; i < ntiles; ++i) {
TileCacheData* tile = &tiles[i];
@ -321,14 +319,18 @@ int NavMeshBuilder::RasterizeTileLayers(const int tx, const int ty,
bool NavMeshBuilder::CreateTileCache(BuilderParams& builder_params)
{
LinearAllocator* talloc = nullptr;
FastLZCompressor* tcomp = nullptr;
MeshProcess* tmproc = nullptr;
dtTileCacheParams tcparams;
InitTileCacheParams(builder_params, tcparams);
builder_params.tile_cache = dtAllocTileCache();
dtStatus status = builder_params.tile_cache->init
(&tcparams,
builder_params.talloc,
builder_params.tcomp,
builder_params.tmproc);
talloc,
tcomp,
tmproc);
if (dtStatusFailed(status)) {
abort();
}

8
server/gameserver/navmeshhelper.h
View File

@ -291,12 +291,8 @@ struct BuilderParams
int tw = 0;
int th = 0;
InputGeom* gemo = nullptr;
rcConfig cfg;
MapInstance* map_instance = nullptr;
LinearAllocator* talloc = nullptr;
FastLZCompressor* tcomp = nullptr;
MeshProcess* tmproc = nullptr;
dtTileCache* tile_cache = nullptr;
InputGeom* gemo = nullptr;
dtNavMesh* navmesh = nullptr;
dtTileCache* tile_cache = nullptr;
};