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Issue 45:Input triangle based area creation (another try)

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This commit is contained in:
Mikko Mononen
2010-07-13 07:19:10 +00:00
parent a48b50d89c
commit 5ebcb453fb
14 changed files with 3665 additions and 4289 deletions
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51
RecastDemo/Source/Sample_TileMesh.cpp
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@@ -170,7 +170,7 @@ Sample_TileMesh::Sample_TileMesh() :
m_buildAll(true),
m_totalBuildTimeMs(0),
m_drawPortals(false),
m_triflags(0),
m_triareas(0),
m_solid(0),
m_chf(0),
m_cset(0),
@@ -189,6 +189,9 @@ Sample_TileMesh::Sample_TileMesh() :
memset(m_tileBmax, 0, sizeof(m_tileBmax));
setTool(new NavMeshTileTool);
m_smin = 0x0fffffff;
m_smax = -0xfffffff;
}
Sample_TileMesh::~Sample_TileMesh()
@@ -200,8 +203,8 @@ Sample_TileMesh::~Sample_TileMesh()
void Sample_TileMesh::cleanup()
{
delete [] m_triflags;
m_triflags = 0;
delete [] m_triareas;
m_triareas = 0;
rcFreeHeightField(m_solid);
m_solid = 0;
rcFreeCompactHeightfield(m_chf);
@@ -767,11 +770,11 @@ unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const
// Allocate array that can hold triangle flags.
// If you have multiple meshes you need to process, allocate
// and array which can hold the max number of triangles you need to process.
m_triflags = new unsigned char[chunkyMesh->maxTrisPerChunk];
if (!m_triflags)
m_triareas = new unsigned char[chunkyMesh->maxTrisPerChunk];
if (!m_triareas)
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'triangleFlags' (%d).", chunkyMesh->maxTrisPerChunk);
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'm_triareas' (%d).", chunkyMesh->maxTrisPerChunk);
return 0;
}
@@ -796,19 +799,38 @@ unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const
m_tileTriCount += ntris;
memset(m_triflags, 0, ntris*sizeof(unsigned char));
memset(m_triareas, 0, ntris*sizeof(unsigned char));
rcMarkWalkableTriangles(m_cfg.walkableSlopeAngle,
verts, nverts, tris, ntris, m_triflags);
verts, nverts, tris, ntris, m_triareas);
rcRasterizeTriangles(verts, nverts, tris, m_triflags, ntris, *m_solid, m_cfg.walkableClimb);
rcRasterizeTriangles(verts, nverts, tris, m_triareas, ntris, *m_solid, m_cfg.walkableClimb);
}
if (!m_keepInterResults)
{
delete [] m_triflags;
m_triflags = 0;
delete [] m_triareas;
m_triareas = 0;
}
{
const int w = m_solid->width;
const int h = m_solid->height;
int spanCount = 0;
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
for (rcSpan* s = m_solid->spans[x + y*w]; s; s = s->next)
{
m_smin = rcMin(m_smin, (int)s->smin);
m_smax = rcMax(m_smax, (int)s->smax);
}
}
}
printf("smin=%d smax=%d\n", m_smin, m_smax);
}
// Once all geoemtry is rasterized, we do initial pass of filtering to
// remove unwanted overhangs caused by the conservative rasterization
// as well as filter spans where the character cannot possibly stand.
@@ -826,7 +848,7 @@ unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'chf'.");
return 0;
}
if (!rcBuildCompactHeightfield(m_cfg.walkableHeight, m_cfg.walkableClimb, RC_WALKABLE, *m_solid, *m_chf))
if (!rcBuildCompactHeightfield(m_cfg.walkableHeight, m_cfg.walkableClimb, *m_solid, *m_chf))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Could not build compact data.");
@@ -840,7 +862,7 @@ unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const
}
// Erode the walkable area by agent radius.
if (!rcErodeArea(RC_WALKABLE_AREA, m_cfg.walkableRadius, *m_chf))
if (!rcErodeWalkableArea(m_cfg.walkableRadius, *m_chf))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildNavigation: Could not erode.");
@@ -1027,7 +1049,8 @@ unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const
rcGetLog()->log(RC_LOG_PROGRESS, "Filter Reachable: %.1fms (%.1f%%)", m_buildTimes.filterMarkReachable/1000.0f, m_buildTimes.filterMarkReachable*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Erode walkable area: %.1fms (%.1f%%)", m_buildTimes.erodeArea/1000.0f, m_buildTimes.erodeArea*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Median area: %.1fms (%.1f%%)", m_buildTimes.filterMedian/1000.0f, m_buildTimes.filterMedian*pc);
rcGetLog()->log(RC_LOG_PROGRESS, "Build Distancefield: %.1fms (%.1f%%)", m_buildTimes.buildDistanceField/1000.0f, m_buildTimes.buildDistanceField*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - distance: %.1fms (%.1f%%)", m_buildTimes.buildDistanceFieldDist/1000.0f, m_buildTimes.buildDistanceFieldDist*pc);
rcGetLog()->log(RC_LOG_PROGRESS, " - blur: %.1fms (%.1f%%)", m_buildTimes.buildDistanceFieldBlur/1000.0f, m_buildTimes.buildDistanceFieldBlur*pc);