add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.
This commit is contained in:
erwincoumans
207
examples/Importers/ImportBsp/BspConverter.cpp
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207
examples/Importers/ImportBsp/BspConverter.cpp
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "BspConverter.h"
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#include "BspLoader.h"
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#include "LinearMath/btVector3.h"
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#include "LinearMath/btGeometryUtil.h"
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#include <stdio.h>
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#include <string.h>
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void BspConverter::convertBsp(BspLoader& bspLoader,float scaling)
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{
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{
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float playstartf[3] = {0,0,100};
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if (bspLoader.findVectorByName(&playstartf[0],"info_player_start"))
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{
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printf("found playerstart\n");
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}
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else
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{
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if (bspLoader.findVectorByName(&playstartf[0],"info_player_deathmatch"))
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{
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printf("found deatchmatch start\n");
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}
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}
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btVector3 playerStart (playstartf[0],playstartf[1],playstartf[2]);
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playerStart[2] += 20.f; //start a bit higher
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playerStart *= scaling;
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//progressBegin("Loading bsp");
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for (int i=0;i<bspLoader.m_numleafs;i++)
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{
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printf("Reading bspLeaf %i from total %i (%f procent)\n",i, bspLoader.m_numleafs,(100.f*(float)i/float(bspLoader.m_numleafs)) );
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bool isValidBrush = false;
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BSPLeaf& leaf = bspLoader.m_dleafs[i];
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for (int b=0;b<leaf.numLeafBrushes;b++)
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{
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btAlignedObjectArray<btVector3> planeEquations;
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int brushid = bspLoader.m_dleafbrushes[leaf.firstLeafBrush+b];
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BSPBrush& brush = bspLoader.m_dbrushes[brushid];
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if (brush.shaderNum!=-1)
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{
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if (bspLoader.m_dshaders[ brush.shaderNum ].contentFlags & BSPCONTENTS_SOLID)
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{
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brush.shaderNum = -1;
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for (int p=0;p<brush.numSides;p++)
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{
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int sideid = brush.firstSide+p;
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BSPBrushSide& brushside = bspLoader.m_dbrushsides[sideid];
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int planeid = brushside.planeNum;
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BSPPlane& plane = bspLoader.m_dplanes[planeid];
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btVector3 planeEq;
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planeEq.setValue(
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plane.normal[0],
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plane.normal[1],
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plane.normal[2]);
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planeEq[3] = scaling*-plane.dist;
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planeEquations.push_back(planeEq);
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isValidBrush=true;
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}
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if (isValidBrush)
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{
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btAlignedObjectArray<btVector3> vertices;
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btGeometryUtil::getVerticesFromPlaneEquations(planeEquations,vertices);
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bool isEntity = false;
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btVector3 entityTarget(0.f,0.f,0.f);
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addConvexVerticesCollider(vertices,isEntity,entityTarget);
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}
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}
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}
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}
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}
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#define USE_ENTITIES
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#ifdef USE_ENTITIES
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{
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int i;
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for (i=0;i<bspLoader.m_num_entities;i++)
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{
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const BSPEntity& entity = bspLoader.m_entities[i];
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const char* cl = bspLoader.getValueForKey(&entity,"classname");
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if ( !strcmp( cl, "trigger_push" ) ) {
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btVector3 targetLocation(0.f,0.f,0.f);
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cl = bspLoader.getValueForKey(&entity,"target");
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if ( strcmp( cl, "" ) ) {
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//its not empty so ...
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/*
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//lookup the target position for the jumppad:
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const BSPEntity* targetentity = bspLoader.getEntityByValue( "targetname" , cl );
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if (targetentity)
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{
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if (bspLoader.getVectorForKey( targetentity , "origin",&targetLocation[0]))
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{
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}
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}
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*/
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cl = bspLoader.getValueForKey(&entity,"model");
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if ( strcmp( cl, "" ) ) {
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// add the model as a brush
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if (cl[0] == '*')
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{
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int modelnr = atoi(&cl[1]);
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if ((modelnr >=0) && (modelnr < bspLoader.m_nummodels))
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{
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const BSPModel& model = bspLoader.m_dmodels[modelnr];
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for (int n=0;n<model.numBrushes;n++)
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{
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btAlignedObjectArray<btVector3> planeEquations;
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bool isValidBrush = false;
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//convert brush
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const BSPBrush& brush = bspLoader.m_dbrushes[model.firstBrush+n];
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{
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for (int p=0;p<brush.numSides;p++)
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{
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int sideid = brush.firstSide+p;
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BSPBrushSide& brushside = bspLoader.m_dbrushsides[sideid];
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int planeid = brushside.planeNum;
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BSPPlane& plane = bspLoader.m_dplanes[planeid];
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btVector3 planeEq;
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planeEq.setValue(
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plane.normal[0],
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plane.normal[1],
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plane.normal[2]);
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planeEq[3] = scaling*-plane.dist;
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planeEquations.push_back(planeEq);
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isValidBrush=true;
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}
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if (isValidBrush)
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{
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btAlignedObjectArray<btVector3> vertices;
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btGeometryUtil::getVerticesFromPlaneEquations(planeEquations,vertices);
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bool isEntity=true;
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addConvexVerticesCollider(vertices,isEntity,targetLocation);
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}
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}
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}
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}
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}
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else
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{
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printf("unsupported trigger_push model, md3 ?\n");
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}
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}
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}
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}
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}
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}
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#endif //USE_ENTITIES
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//progressEnd();
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}
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}
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