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recast update

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Added chunkytrimesh - this class splits up the geometry the navmesh is interested in into kdtree for fast traversal, makes the actual navmesh generation work with smaller chunks.

Now only 1 RecastPolylist per navmesh this can be saved out in a future commit.

This is a history commit, all functionality works same as it did before but it matches recasts recommended setup more closely. Future additions may break backwards compatibility.
This commit is contained in:
marauder2k7 2025-07-22 14:39:36 +01:00
parent 26ebdd093b
commit d4d552e8e0
8 changed files with 800 additions and 215 deletions
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24
Engine/source/navigation/recastPolyList.cpp
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@ -27,7 +27,7 @@
#include "gfx/primBuilder.h"
#include "gfx/gfxStateBlock.h"
RecastPolyList::RecastPolyList()
RecastPolyList::RecastPolyList() : mChunkyMesh(0)
{
nverts = 0;
verts = NULL;
@ -44,6 +44,28 @@ RecastPolyList::~RecastPolyList()
clear();
}
rcChunkyTriMesh* RecastPolyList::getChunkyMesh()
{
if (!mChunkyMesh)
{
mChunkyMesh = new rcChunkyTriMesh;
if (!mChunkyMesh)
{
Con::errorf("Build tile navigation: out of memory");
return NULL;
}
if (!rcCreateChunkyTriMesh(getVerts(), getTris(), getTriCount(), 256, mChunkyMesh))
{
Con::errorf("Build tile navigation: out of memory");
return NULL;
}
}
return mChunkyMesh;
}
void RecastPolyList::clear()
{
nverts = 0;