diff options
Diffstat (limited to 'dep/recastnavigation/Recast/RecastArea.cpp')
-rw-r--r-- | dep/recastnavigation/Recast/RecastArea.cpp | 170 |
1 files changed, 3 insertions, 167 deletions
diff --git a/dep/recastnavigation/Recast/RecastArea.cpp b/dep/recastnavigation/Recast/RecastArea.cpp index 1a338cd9b8c..4e7b79d301d 100644 --- a/dep/recastnavigation/Recast/RecastArea.cpp +++ b/dep/recastnavigation/Recast/RecastArea.cpp @@ -61,26 +61,14 @@ bool rcErodeWalkableArea(rcContext* ctx, int radius, rcCompactHeightfield& chf) const rcCompactCell& c = chf.cells[x+y*w]; for (int i = (int)c.index, ni = (int)(c.index+c.count); i < ni; ++i) { - if (chf.areas[i] == RC_NULL_AREA) - { - dist[i] = 0; - } - else + if (chf.areas[i] != RC_NULL_AREA) { const rcCompactSpan& s = chf.spans[i]; int nc = 0; for (int dir = 0; dir < 4; ++dir) { if (rcGetCon(s, dir) != RC_NOT_CONNECTED) - { - const int nx = x + rcGetDirOffsetX(dir); - const int ny = y + rcGetDirOffsetY(dir); - const int nidx = (int)chf.cells[nx+ny*w].index + rcGetCon(s, dir); - if (chf.areas[nidx] != RC_NULL_AREA) - { - nc++; - } - } + nc++; } // At least one missing neighbour. if (nc != 4) @@ -351,8 +339,7 @@ void rcMarkBoxArea(rcContext* ctx, const float* bmin, const float* bmax, unsigne rcCompactSpan& s = chf.spans[i]; if ((int)s.y >= miny && (int)s.y <= maxy) { - if (chf.areas[i] != RC_NULL_AREA) - chf.areas[i] = areaId; + chf.areas[i] = areaId; } } } @@ -431,8 +418,6 @@ void rcMarkConvexPolyArea(rcContext* ctx, const float* verts, const int nverts, for (int i = (int)c.index, ni = (int)(c.index+c.count); i < ni; ++i) { rcCompactSpan& s = chf.spans[i]; - if (chf.areas[i] == RC_NULL_AREA) - continue; if ((int)s.y >= miny && (int)s.y <= maxy) { float p[3]; @@ -451,152 +436,3 @@ void rcMarkConvexPolyArea(rcContext* ctx, const float* verts, const int nverts, ctx->stopTimer(RC_TIMER_MARK_CONVEXPOLY_AREA); } - -int rcOffsetPoly(const float* verts, const int nverts, const float offset, - float* outVerts, const int maxOutVerts) -{ - const float MITER_LIMIT = 1.20f; - - int n = 0; - - for (int i = 0; i < nverts; i++) - { - const int a = (i+nverts-1) % nverts; - const int b = i; - const int c = (i+1) % nverts; - const float* va = &verts[a*3]; - const float* vb = &verts[b*3]; - const float* vc = &verts[c*3]; - float dx0 = vb[0] - va[0]; - float dy0 = vb[2] - va[2]; - float d0 = dx0*dx0 + dy0*dy0; - if (d0 > 1e-6f) - { - d0 = 1.0f/rcSqrt(d0); - dx0 *= d0; - dy0 *= d0; - } - float dx1 = vc[0] - vb[0]; - float dy1 = vc[2] - vb[2]; - float d1 = dx1*dx1 + dy1*dy1; - if (d1 > 1e-6f) - { - d1 = 1.0f/rcSqrt(d1); - dx1 *= d1; - dy1 *= d1; - } - const float dlx0 = -dy0; - const float dly0 = dx0; - const float dlx1 = -dy1; - const float dly1 = dx1; - float cross = dx1*dy0 - dx0*dy1; - float dmx = (dlx0 + dlx1) * 0.5f; - float dmy = (dly0 + dly1) * 0.5f; - float dmr2 = dmx*dmx + dmy*dmy; - bool bevel = dmr2 * MITER_LIMIT*MITER_LIMIT < 1.0f; - if (dmr2 > 1e-6f) - { - const float scale = 1.0f / dmr2; - dmx *= scale; - dmy *= scale; - } - - if (bevel && cross < 0.0f) - { - if (n+2 >= maxOutVerts) - return 0; - float d = (1.0f - (dx0*dx1 + dy0*dy1))*0.5f; - outVerts[n*3+0] = vb[0] + (-dlx0+dx0*d)*offset; - outVerts[n*3+1] = vb[1]; - outVerts[n*3+2] = vb[2] + (-dly0+dy0*d)*offset; - n++; - outVerts[n*3+0] = vb[0] + (-dlx1-dx1*d)*offset; - outVerts[n*3+1] = vb[1]; - outVerts[n*3+2] = vb[2] + (-dly1-dy1*d)*offset; - n++; - } - else - { - if (n+1 >= maxOutVerts) - return 0; - outVerts[n*3+0] = vb[0] - dmx*offset; - outVerts[n*3+1] = vb[1]; - outVerts[n*3+2] = vb[2] - dmy*offset; - n++; - } - } - - return n; -} - - -/// @par -/// -/// The value of spacial parameters are in world units. -/// -/// @see rcCompactHeightfield, rcMedianFilterWalkableArea -void rcMarkCylinderArea(rcContext* ctx, const float* pos, - const float r, const float h, unsigned char areaId, - rcCompactHeightfield& chf) -{ - rcAssert(ctx); - - ctx->startTimer(RC_TIMER_MARK_CYLINDER_AREA); - - float bmin[3], bmax[3]; - bmin[0] = pos[0] - r; - bmin[1] = pos[1]; - bmin[2] = pos[2] - r; - bmax[0] = pos[0] + r; - bmax[1] = pos[1] + h; - bmax[2] = pos[2] + r; - const float r2 = r*r; - - int minx = (int)((bmin[0]-chf.bmin[0])/chf.cs); - int miny = (int)((bmin[1]-chf.bmin[1])/chf.ch); - int minz = (int)((bmin[2]-chf.bmin[2])/chf.cs); - int maxx = (int)((bmax[0]-chf.bmin[0])/chf.cs); - int maxy = (int)((bmax[1]-chf.bmin[1])/chf.ch); - int maxz = (int)((bmax[2]-chf.bmin[2])/chf.cs); - - if (maxx < 0) return; - if (minx >= chf.width) return; - if (maxz < 0) return; - if (minz >= chf.height) return; - - if (minx < 0) minx = 0; - if (maxx >= chf.width) maxx = chf.width-1; - if (minz < 0) minz = 0; - if (maxz >= chf.height) maxz = chf.height-1; - - - for (int z = minz; z <= maxz; ++z) - { - for (int x = minx; x <= maxx; ++x) - { - const rcCompactCell& c = chf.cells[x+z*chf.width]; - for (int i = (int)c.index, ni = (int)(c.index+c.count); i < ni; ++i) - { - rcCompactSpan& s = chf.spans[i]; - - if (chf.areas[i] == RC_NULL_AREA) - continue; - - if ((int)s.y >= miny && (int)s.y <= maxy) - { - const float sx = chf.bmin[0] + (x+0.5f)*chf.cs; - const float sz = chf.bmin[2] + (z+0.5f)*chf.cs; - const float dx = sx - pos[0]; - const float dz = sz - pos[2]; - - if (dx*dx + dz*dz < r2) - { - chf.areas[i] = areaId; - } - } - } - } - } - - ctx->stopTimer(RC_TIMER_MARK_CYLINDER_AREA); -} |