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Add support for heightfield filter toggles in Sample_TempObstacles

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This commit is contained in:
Jonathan Adamczewski 2017-01-10 16:12:27 -08:00 committed by Ben Hymers
parent 12e8950bac
commit 34ab687e21
2 changed files with 32 additions and 27 deletions
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2
RecastDemo/Include/Sample_TempObstacles.h
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@ -90,6 +90,8 @@ private:
// Explicitly disabled copy constructor and copy assignment operator.
Sample_TempObstacles(const Sample_TempObstacles&);
Sample_TempObstacles& operator=(const Sample_TempObstacles&);
int rasterizeTileLayers(const int tx, const int ty, const rcConfig& cfg, struct TileCacheData* tiles, const int maxTiles);
};

57
RecastDemo/Source/Sample_TempObstacles.cpp
View File

@ -272,24 +272,24 @@ struct RasterizationContext
int ntiles;
};
static int rasterizeTileLayers(BuildContext* ctx, InputGeom* geom,
int Sample_TempObstacles::rasterizeTileLayers(
const int tx, const int ty,
const rcConfig& cfg,
TileCacheData* tiles,
const int maxTiles)
{
if (!geom || !geom->getMesh() || !geom->getChunkyMesh())
if (!m_geom || !m_geom->getMesh() || !m_geom->getChunkyMesh())
{
ctx->log(RC_LOG_ERROR, "buildTile: Input mesh is not specified.");
m_ctx->log(RC_LOG_ERROR, "buildTile: Input mesh is not specified.");
return 0;
}
FastLZCompressor comp;
RasterizationContext rc;
const float* verts = geom->getMesh()->getVerts();
const int nverts = geom->getMesh()->getVertCount();
const rcChunkyTriMesh* chunkyMesh = geom->getChunkyMesh();
const float* verts = m_geom->getMesh()->getVerts();
const int nverts = m_geom->getMesh()->getVertCount();
const rcChunkyTriMesh* chunkyMesh = m_geom->getChunkyMesh();
// Tile bounds.
const float tcs = cfg.tileSize * cfg.cs;
@ -312,12 +312,12 @@ static int rasterizeTileLayers(BuildContext* ctx, InputGeom* geom,
rc.solid = rcAllocHeightfield();
if (!rc.solid)
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'solid'.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'solid'.");
return 0;
}
if (!rcCreateHeightfield(ctx, *rc.solid, tcfg.width, tcfg.height, tcfg.bmin, tcfg.bmax, tcfg.cs, tcfg.ch))
if (!rcCreateHeightfield(m_ctx, *rc.solid, tcfg.width, tcfg.height, tcfg.bmin, tcfg.bmax, tcfg.cs, tcfg.ch))
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Could not create solid heightfield.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Could not create solid heightfield.");
return 0;
}
@ -327,7 +327,7 @@ static int rasterizeTileLayers(BuildContext* ctx, InputGeom* geom,
rc.triareas = new unsigned char[chunkyMesh->maxTrisPerChunk];
if (!rc.triareas)
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'm_triareas' (%d).", chunkyMesh->maxTrisPerChunk);
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'm_triareas' (%d).", chunkyMesh->maxTrisPerChunk);
return 0;
}
@ -350,45 +350,48 @@ static int rasterizeTileLayers(BuildContext* ctx, InputGeom* geom,
const int ntris = node.n;
memset(rc.triareas, 0, ntris*sizeof(unsigned char));
rcMarkWalkableTriangles(ctx, tcfg.walkableSlopeAngle,
rcMarkWalkableTriangles(m_ctx, tcfg.walkableSlopeAngle,
verts, nverts, tris, ntris, rc.triareas);
if (!rcRasterizeTriangles(ctx, verts, nverts, tris, rc.triareas, ntris, *rc.solid, tcfg.walkableClimb))
if (!rcRasterizeTriangles(m_ctx, verts, nverts, tris, rc.triareas, ntris, *rc.solid, tcfg.walkableClimb))
return 0;
}
// Once all geometry 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.
rcFilterLowHangingWalkableObstacles(ctx, tcfg.walkableClimb, *rc.solid);
rcFilterLedgeSpans(ctx, tcfg.walkableHeight, tcfg.walkableClimb, *rc.solid);
rcFilterWalkableLowHeightSpans(ctx, tcfg.walkableHeight, *rc.solid);
if (m_filterLowHangingObstacles)
rcFilterLowHangingWalkableObstacles(m_ctx, tcfg.walkableClimb, *rc.solid);
if (m_filterLedgeSpans)
rcFilterLedgeSpans(m_ctx, tcfg.walkableHeight, tcfg.walkableClimb, *rc.solid);
if (m_filterWalkableLowHeightSpans)
rcFilterWalkableLowHeightSpans(m_ctx, tcfg.walkableHeight, *rc.solid);
rc.chf = rcAllocCompactHeightfield();
if (!rc.chf)
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'chf'.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'chf'.");
return 0;
}
if (!rcBuildCompactHeightfield(ctx, tcfg.walkableHeight, tcfg.walkableClimb, *rc.solid, *rc.chf))
if (!rcBuildCompactHeightfield(m_ctx, tcfg.walkableHeight, tcfg.walkableClimb, *rc.solid, *rc.chf))
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Could not build compact data.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Could not build compact data.");
return 0;
}
// Erode the walkable area by agent radius.
if (!rcErodeWalkableArea(ctx, tcfg.walkableRadius, *rc.chf))
if (!rcErodeWalkableArea(m_ctx, tcfg.walkableRadius, *rc.chf))
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Could not erode.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Could not erode.");
return 0;
}
// (Optional) Mark areas.
const ConvexVolume* vols = geom->getConvexVolumes();
for (int i = 0; i < geom->getConvexVolumeCount(); ++i)
const ConvexVolume* vols = m_geom->getConvexVolumes();
for (int i = 0; i < m_geom->getConvexVolumeCount(); ++i)
{
rcMarkConvexPolyArea(ctx, vols[i].verts, vols[i].nverts,
rcMarkConvexPolyArea(m_ctx, vols[i].verts, vols[i].nverts,
vols[i].hmin, vols[i].hmax,
(unsigned char)vols[i].area, *rc.chf);
}
@ -396,12 +399,12 @@ static int rasterizeTileLayers(BuildContext* ctx, InputGeom* geom,
rc.lset = rcAllocHeightfieldLayerSet();
if (!rc.lset)
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'lset'.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Out of memory 'lset'.");
return 0;
}
if (!rcBuildHeightfieldLayers(ctx, *rc.chf, tcfg.borderSize, tcfg.walkableHeight, *rc.lset))
if (!rcBuildHeightfieldLayers(m_ctx, *rc.chf, tcfg.borderSize, tcfg.walkableHeight, *rc.lset))
{
ctx->log(RC_LOG_ERROR, "buildNavigation: Could not build heighfield layers.");
m_ctx->log(RC_LOG_ERROR, "buildNavigation: Could not build heighfield layers.");
return 0;
}
@ -1311,7 +1314,7 @@ bool Sample_TempObstacles::handleBuild()
{
TileCacheData tiles[MAX_LAYERS];
memset(tiles, 0, sizeof(tiles));
int ntiles = rasterizeTileLayers(m_ctx, m_geom, x, y, cfg, tiles, MAX_LAYERS);
int ntiles = rasterizeTileLayers(x, y, cfg, tiles, MAX_LAYERS);
for (int i = 0; i < ntiles; ++i)
{