From b988a2abf815d74aba7bd9bf910b712735ea8f53 Mon Sep 17 00:00:00 2001
From: Benoit Bolsee <benoit.bolsee@online.be>
Date: Sun, 11 Sep 2011 14:13:04 +0000
Subject: Recast: fix bad level calls, Recast compiled out if BGE not enabled.
 SCons updated but not tested.

---
 source/blender/editors/util/CMakeLists.txt         |  12 -
 source/blender/editors/util/SConscript             |   6 +-
 source/blender/editors/util/navmesh_conversion.cpp | 454 ---------------------
 3 files changed, 1 insertion(+), 471 deletions(-)
 delete mode 100644 source/blender/editors/util/navmesh_conversion.cpp

(limited to 'source/blender/editors/util')

diff --git a/source/blender/editors/util/CMakeLists.txt b/source/blender/editors/util/CMakeLists.txt
index c64b16c2d08..72f13c14f5d 100644
--- a/source/blender/editors/util/CMakeLists.txt
+++ b/source/blender/editors/util/CMakeLists.txt
@@ -87,16 +87,4 @@ set(SRC
 	../include/UI_view2d.h
 )
 
-if(WITH_GAMEENGINE)
-	list(APPEND INC
-		../../../../extern/recastnavigation/Recast/Include
-	)
-
-	list(APPEND SRC
-		navmesh_conversion.cpp
-
-		../include/ED_navmesh_conversion.h
-	)
-endif()
-
 blender_add_lib(bf_editor_util "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/source/blender/editors/util/SConscript b/source/blender/editors/util/SConscript
index 80c05dc5db4..cfbc735eb5c 100644
--- a/source/blender/editors/util/SConscript
+++ b/source/blender/editors/util/SConscript
@@ -1,15 +1,11 @@
 #!/usr/bin/python
 Import ('env')
 
-sources = env.Glob('*.c') + env.Glob('*.cpp')
+sources = env.Glob('*.c')
 
 incs = '../include ../../blenlib ../../blenkernel ../../makesdna ../../imbuf'
 incs += ' ../../windowmanager #/intern/guardedalloc #/extern/glew/include'
 incs += ' ../../makesrna'
-incs += ' #extern/recastnavigation/Recast/Include'
 incs += ' ../../blenloader'
 
-if not env['WITH_BF_GAMEENGINE']:
-    sources.remove('navmesh_conversion.cpp')
-
 env.BlenderLib ( 'bf_editors_util', sources, Split(incs), [], libtype=['core','player'], priority=[330,210] )
diff --git a/source/blender/editors/util/navmesh_conversion.cpp b/source/blender/editors/util/navmesh_conversion.cpp
deleted file mode 100644
index 8b3fee59e1a..00000000000
--- a/source/blender/editors/util/navmesh_conversion.cpp
+++ /dev/null
@@ -1,454 +0,0 @@
-/**
-* $Id$ 
-*
-* ***** BEGIN GPL LICENSE BLOCK *****
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software Foundation,
-* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*
-* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
-* All rights reserved.
-*
-* The Original Code is: all of this file.
-*
-* Contributor(s): none yet.
-*
-* ***** END GPL LICENSE BLOCK *****
-*/
-#include <math.h>
-#include "Recast.h"
-
-
-extern "C"{
-#include "ED_navmesh_conversion.h"
-
-#include "DNA_meshdata_types.h"
-#include "BKE_cdderivedmesh.h"
-#include "BLI_math.h"
-}
-
-int polyNumVerts(const unsigned short* p, const int vertsPerPoly)
-{
-	int nv = 0;
-	for (int i=0; i<vertsPerPoly; i++)
-	{
-		if (p[i]==0xffff)
-			break;
-		nv++;
-	}
-	return nv;
-}
-
-bool polyIsConvex(const unsigned short* p, const int vertsPerPoly, const float* verts)
-{
-	int nv = polyNumVerts(p, vertsPerPoly);
-	if (nv<3)
-		return false;
-	for (int j=0; j<nv; j++)
-	{
-		const float* v = &verts[3*p[j]];
-		const float* v_next = &verts[3*p[(j+1)%nv]];
-		const float* v_prev = &verts[3*p[(nv+j-1)%nv]];
-		if (!left(v_prev, v, v_next))
-			return false;
-
-	}
-	return true;
-}
-
-float distPointToSegmentSq(const float* point, const float* a, const float* b)
-{
-	float abx[3], dx[3];
-	vsub(abx, b,a);
-	vsub(dx, point,a);
-	float d = abx[0]*abx[0]+abx[2]*abx[2];
-	float t = abx[0]*dx[0]+abx[2]*dx[2];
-	if (d > 0)
-		t /= d;
-	if (t < 0)
-		t = 0;
-	else if (t > 1)
-		t = 1;
-	dx[0] = a[0] + t*abx[0] - point[0];
-	dx[2] = a[2] + t*abx[2] - point[2];
-	return dx[0]*dx[0] + dx[2]*dx[2];
-}
-
-bool buildRawVertIndicesData(DerivedMesh* dm, int &nverts, float *&verts, 
-									int &ntris, unsigned short *&tris, int *&trisToFacesMap,
-									int *&recastData)
-{
-	nverts = dm->getNumVerts(dm);
-	if (nverts>=0xffff)
-	{
-		printf("Converting navmesh: Error! Too many vertices. Max number of vertices %d\n", 0xffff);
-		return false;
-	}
-	verts = new float[3*nverts];
-	dm->getVertCos(dm, (float(*)[3])verts);
-
-	//flip coordinates
-	for (int vi=0; vi<nverts; vi++)
-	{
-		SWAP(float, verts[3*vi+1], verts[3*vi+2]);
-	}
-
-	//calculate number of tris
-	int nfaces = dm->getNumFaces(dm);
-	MFace *faces = dm->getFaceArray(dm);
-	ntris = nfaces;
-	for (int fi=0; fi<nfaces; fi++)
-	{
-		MFace* face = &faces[fi];
-		if (face->v4)
-			ntris++;
-	}
-
-	//copy and transform to triangles (reorder on the run)
-	trisToFacesMap = new int[ntris];
-	tris = new unsigned short[3*ntris];
-	unsigned short* tri = tris;
-	int triIdx = 0;
-	for (int fi=0; fi<nfaces; fi++)
-	{
-		MFace* face = &faces[fi];
-		tri[3*triIdx+0] = (unsigned short) face->v1;
-		tri[3*triIdx+1] = (unsigned short) face->v3;
-		tri[3*triIdx+2] = (unsigned short) face->v2;
-		trisToFacesMap[triIdx++]=fi;
-		if (face->v4)
-		{
-			tri[3*triIdx+0] = (unsigned short) face->v1;
-			tri[3*triIdx+1] = (unsigned short) face->v4;
-			tri[3*triIdx+2] = (unsigned short) face->v3;
-			trisToFacesMap[triIdx++]=fi;
-		}
-	}
-
-	//carefully, recast data is just reference to data in derived mesh
-	recastData = (int*)CustomData_get_layer(&dm->faceData, CD_RECAST);
-	return true;
-}
-
-bool buildPolygonsByDetailedMeshes(const int vertsPerPoly, const int npolys, 
-										  unsigned short* polys, const unsigned short* dmeshes, 
-										  const float* verts, const unsigned short* dtris, 
-										  const int* dtrisToPolysMap)
-{
-	int capacity = vertsPerPoly;
-	unsigned short* newPoly =  new unsigned short[capacity];
-	memset(newPoly, 0xff, sizeof(unsigned short)*capacity);
-	for (int polyidx=0; polyidx<npolys; polyidx++)
-	{
-		int nv = 0;
-		//search border 
-		int btri = -1;
-		int bedge = -1;
-		int dtrisNum = dmeshes[polyidx*4+3];
-		int dtrisBase = dmeshes[polyidx*4+2];
-		unsigned char *traversedTris = new unsigned char[dtrisNum];
-		memset(traversedTris, 0, dtrisNum*sizeof(unsigned char));
-		for (int j=0; j<dtrisNum && btri==-1;j++)
-		{
-			int curpolytri = dtrisBase+j;
-			for (int k=0; k<3; k++)
-			{
-				unsigned short neighbortri = dtris[curpolytri*3*2+3+k];
-				if ( neighbortri==0xffff || dtrisToPolysMap[neighbortri]!=polyidx+1)
-				{
-					btri = curpolytri;
-					bedge = k;
-					break;
-				}
-			}							
-		}
-		if (btri==-1 || bedge==-1)
-		{
-			//can't find triangle with border edge
-			return false;
-		}
-
-		newPoly[nv++] = dtris[btri*3*2+bedge];
-		int tri = btri;
-		int edge = (bedge+1)%3;
-		traversedTris[tri-dtrisBase] = 1;
-		while (tri!=btri || edge!=bedge)
-		{
-			int neighbortri = dtris[tri*3*2+3+edge];
-			if (neighbortri==0xffff || dtrisToPolysMap[neighbortri]!=polyidx+1)
-			{
-				if (nv==capacity)
-				{
-					capacity += vertsPerPoly;
-					unsigned short* newPolyBig =  new unsigned short[capacity];
-					memset(newPolyBig, 0xff, sizeof(unsigned short)*capacity);
-					memcpy(newPolyBig, newPoly, sizeof(unsigned short)*nv);
-					delete newPoly;
-					newPoly = newPolyBig;			
-				}
-				newPoly[nv++] = dtris[tri*3*2+edge];
-				//move to next edge					
-				edge = (edge+1)%3;
-			}
-			else
-			{
-				//move to next tri
-				int twinedge = -1;
-				for (int k=0; k<3; k++)
-				{
-					if (dtris[neighbortri*3*2+3+k] == tri)
-					{
-						twinedge = k;
-						break;
-					}
-				}
-				if (twinedge==-1)
-				{
-					printf("Converting navmesh: Error! Can't find neighbor edge - invalid adjacency info\n");
-					goto returnLabel;					
-				}
-				tri = neighbortri;
-				edge = (twinedge+1)%3;
-				traversedTris[tri-dtrisBase] = 1;
-			}
-		}
-
-		unsigned short* adjustedPoly = new unsigned short[nv];
-		int adjustedNv = 0;
-		for (size_t i=0; i<(size_t)nv; i++)
-		{
-			unsigned short prev = newPoly[(nv+i-1)%nv];
-			unsigned short cur = newPoly[i];
-			unsigned short next = newPoly[(i+1)%nv];
-			float distSq = distPointToSegmentSq(&verts[3*cur], &verts[3*prev], &verts[3*next]);
-			static const float tolerance = 0.001f;
-			if (distSq>tolerance)
-				adjustedPoly[adjustedNv++] = cur;
-		}
-		memcpy(newPoly, adjustedPoly, adjustedNv*sizeof(unsigned short));
-		delete adjustedPoly;
-		nv = adjustedNv;
-
-		bool allBorderTraversed = true;
-		for (size_t i=0; i<(size_t)dtrisNum; i++)
-		{
-			if (traversedTris[i]==0)
-			{
-				//check whether it has border edges
-				int curpolytri = dtrisBase+i;
-				for (int k=0; k<3; k++)
-				{
-					unsigned short neighbortri = dtris[curpolytri*3*2+3+k];
-					if ( neighbortri==0xffff || dtrisToPolysMap[neighbortri]!=polyidx+1)
-					{
-						allBorderTraversed = false;
-						break;
-					}
-				}
-			}				
-		}
-
-		if (nv<=vertsPerPoly && allBorderTraversed)
-		{
-			for (int i=0; i<nv; i++)
-			{
-				polys[polyidx*vertsPerPoly*2+i] = newPoly[i];
-			}
-		}
-	}
-
-returnLabel:
-	delete newPoly;
-	return true;
-}
-
-struct SortContext
-{
-	const int* recastData;
-	const int* trisToFacesMap;
-};
-#if defined(_MSC_VER)
-static int compareByData(void* data, const void * a, const void * b)
-#elif defined(__APPLE__) || defined(__FreeBSD__)
-static int compareByData(void* data, const void * a, const void * b)
-#else
-static int compareByData(const void * a, const void * b, void* data)
-#endif
-{
-	const SortContext* context = (const SortContext*)data;
-	return ( context->recastData[context->trisToFacesMap[*(int*)a]] - 
-		context->recastData[context->trisToFacesMap[*(int*)b]] );
-}
-
-bool buildNavMeshData(const int nverts, const float* verts, 
-							 const int ntris, const unsigned short *tris, 
-							 const int* recastData, const int* trisToFacesMap,
-							 int &ndtris, unsigned short *&dtris,
-							 int &npolys, unsigned short *&dmeshes, unsigned short *&polys,
-							 int &vertsPerPoly, int *&dtrisToPolysMap, int *&dtrisToTrisMap)
-
-{
-	if (!recastData)
-	{
-		printf("Converting navmesh: Error! Can't find recast custom data\n");
-		return false;
-	}
-
-	//sort the triangles by polygon idx
-	int* trisMapping = new int[ntris];
-	for (int i=0; i<ntris; i++)
-		trisMapping[i]=i;
-	SortContext context;
-	context.recastData = recastData;
-	context.trisToFacesMap = trisToFacesMap;
-#if defined(_MSC_VER)
-	qsort_s(trisMapping, ntris, sizeof(int), compareByData, &context);
-#elif defined(__APPLE__) || defined(__FreeBSD__)
-	qsort_r(trisMapping, ntris, sizeof(int), &context, compareByData);
-#else
-	qsort_r(trisMapping, ntris, sizeof(int), compareByData, &context);
-#endif
-	//search first valid triangle - triangle of convex polygon
-	int validTriStart = -1;
-	for (int i=0; i< ntris; i++)
-	{
-		if (recastData[trisToFacesMap[trisMapping[i]]]>0)
-		{
-			validTriStart = i;
-			break;
-		}
-	}
-
-	if (validTriStart<0)
-	{
-		printf("Converting navmesh: Error! No valid polygons in mesh\n");
-		delete trisMapping;
-		return false;
-	}
-
-	ndtris = ntris-validTriStart;
-	//fill dtris to faces mapping
-	dtrisToTrisMap = new int[ndtris];
-	memcpy(dtrisToTrisMap, &trisMapping[validTriStart], ndtris*sizeof(int));
-	delete trisMapping; trisMapping=NULL;
-
-	//create detailed mesh triangles  - copy only valid triangles
-	//and reserve memory for adjacency info
-	dtris = new unsigned short[3*2*ndtris];
-	memset(dtris, 0xffff, sizeof(unsigned short)*3*2*ndtris);
-	for (int i=0; i<ndtris; i++)
-	{
-		memcpy(dtris+3*2*i, tris+3*dtrisToTrisMap[i], sizeof(unsigned short)*3);
-	}
-	//create new recast data corresponded to dtris and renumber for continuous indices
-	int prevPolyIdx=-1, curPolyIdx, newPolyIdx=0;
-	dtrisToPolysMap = new int[ndtris];
-	for (int i=0; i<ndtris; i++)
-	{
-		curPolyIdx = recastData[trisToFacesMap[dtrisToTrisMap[i]]];
-		if (curPolyIdx!=prevPolyIdx)
-		{
-			newPolyIdx++;
-			prevPolyIdx=curPolyIdx;
-		}
-		dtrisToPolysMap[i] = newPolyIdx;
-	}
-
-
-	//build adjacency info for detailed mesh triangles
-	buildMeshAdjacency(dtris, ndtris, nverts, 3);
-
-	//create detailed mesh description for each navigation polygon
-	npolys = dtrisToPolysMap[ndtris-1];
-	dmeshes = new unsigned short[npolys*4];
-	memset(dmeshes, 0, npolys*4*sizeof(unsigned short));
-	unsigned short *dmesh = NULL;
-	int prevpolyidx = 0;
-	for (int i=0; i<ndtris; i++)
-	{
-		int curpolyidx = dtrisToPolysMap[i];
-		if (curpolyidx!=prevpolyidx)
-		{
-			if (curpolyidx!=prevpolyidx+1)
-			{
-				printf("Converting navmesh: Error! Wrong order of detailed mesh faces\n");
-				return false;
-			}
-			dmesh = dmesh==NULL ? dmeshes : dmesh+4;
-			dmesh[2] = (unsigned short)i;	//tbase
-			dmesh[3] = 0;	//tnum
-			prevpolyidx = curpolyidx;
-		}
-		dmesh[3]++;
-	}
-
-	//create navigation polygons
-	vertsPerPoly = 6;
-	polys = new unsigned short[npolys*vertsPerPoly*2];
-	memset(polys, 0xff, sizeof(unsigned short)*vertsPerPoly*2*npolys);
-
-	buildPolygonsByDetailedMeshes(vertsPerPoly, npolys, polys, dmeshes, verts, dtris, dtrisToPolysMap);
-
-	return true;
-}
-
-
-bool buildNavMeshDataByDerivedMesh(DerivedMesh *dm, int& vertsPerPoly, 
-										  int &nverts, float *&verts,
-										  int &ndtris, unsigned short *&dtris,
-										  int& npolys, unsigned short *&dmeshes,
-										  unsigned short*& polys, int *&dtrisToPolysMap,
-										  int *&dtrisToTrisMap, int *&trisToFacesMap)
-{
-	bool res = true;
-	int ntris =0, *recastData=NULL;
-	unsigned short *tris=NULL;
-	res = buildRawVertIndicesData(dm, nverts, verts, ntris, tris, trisToFacesMap, recastData);
-	if (!res)
-	{
-		printf("Converting navmesh: Error! Can't get vertices and indices from mesh\n");
-		goto exit;
-	}
-
-	res = buildNavMeshData(nverts, verts, ntris, tris, recastData, trisToFacesMap,
-		ndtris, dtris, npolys, dmeshes,polys, vertsPerPoly, 
-		dtrisToPolysMap, dtrisToTrisMap);
-	if (!res)
-	{
-		printf("Converting navmesh: Error! Can't get vertices and indices from mesh\n");
-		goto exit;
-	}
-
-exit:
-	if (tris)
-		delete tris;
-
-	return res;
-}
-
-int polyFindVertex(const unsigned short* p, const int vertsPerPoly, unsigned short vertexIdx)
-{
-	int res = -1;
-	for(int i=0; i<vertsPerPoly; i++)
-	{
-		if (p[i]==0xffff)
-			break;
-		if (p[i]==vertexIdx)
-		{
-			res = i;
-			break;
-		}
-	}
-	return res;
-}
-- 
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