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2133712207de2a2bde31e8d3cdfe6dcb3b9ce68b
bullet3/demo/gpudemo/rigidbody/ConcaveScene.cpp
erwin coumans 68062bdfbd added Samurai Monastry wavefront .obj 
added alternative batching kernel (slow)
tweaked controls a bit
added command-line options --selected_demo=<int> and --new_batching
started looking into parallel 3d sap
2013-03-23 23:00:50 -07:00

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8.8 KiB
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#include "ConcaveScene.h"
#include "GpuRigidBodyDemo.h"
#include "BulletCommon/btQuickprof.h"
#include "OpenGLWindow/ShapeData.h"
#include "OpenGLWindow/GLInstancingRenderer.h"
#include "BulletCommon/btQuaternion.h"
#include "OpenGLWindow/btgWindowInterface.h"
#include "gpu_broadphase/host/btGpuSapBroadphase.h"
#include "../GpuDemoInternalData.h"
#include "basic_initialize/btOpenCLUtils.h"
#include "OpenGLWindow/OpenGLInclude.h"
#include "OpenGLWindow/GLInstanceRendererInternalData.h"
#include "parallel_primitives/host/btLauncherCL.h"
#include "gpu_rigidbody/host/btGpuRigidBodyPipeline.h"
#include "gpu_rigidbody/host/btGpuNarrowPhase.h"
#include "gpu_rigidbody/host/btConfig.h"
#include "GpuRigidBodyDemoInternalData.h"
#include"../../ObjLoader/objLoader.h"
#include "OpenGLWindow/GLInstanceGraphicsShape.h"
#define CONCAVE_GAPX 16
#define CONCAVE_GAPY 8
#define CONCAVE_GAPZ 16
GLInstanceGraphicsShape* createGraphicsShapeFromWavefrontObj(objLoader* obj)
{
btAlignedObjectArray<GLInstanceVertex>* vertices = new btAlignedObjectArray<GLInstanceVertex>;
{
// int numVertices = obj->vertexCount;
// int numIndices = 0;
btAlignedObjectArray<int>* indicesPtr = new btAlignedObjectArray<int>;
/*
for (int v=0;v<obj->vertexCount;v++)
{
vtx.xyzw[0] = obj->vertexList[v]->e[0];
vtx.xyzw[1] = obj->vertexList[v]->e[1];
vtx.xyzw[2] = obj->vertexList[v]->e[2];
btVector3 n(vtx.xyzw[0],vtx.xyzw[1],vtx.xyzw[2]);
if (n.length2()>SIMD_EPSILON)
{
n.normalize();
vtx.normal[0] = n[0];
vtx.normal[1] = n[1];
vtx.normal[2] = n[2];
} else
{
vtx.normal[0] = 0; //todo
vtx.normal[1] = 1;
vtx.normal[2] = 0;
}
vtx.uv[0] = 0.5f;vtx.uv[1] = 0.5f; //todo
vertices->push_back(vtx);
}
*/
for (int f=0;f<obj->faceCount;f++)
{
obj_face* face = obj->faceList[f];
//btVector3 normal(face.m_plane[0],face.m_plane[1],face.m_plane[2]);
if (face->vertex_count>=3)
{
btVector3 normal(0,1,0);
int vtxBaseIndex = vertices->size();
if (face->vertex_count<=4)
{
indicesPtr->push_back(vtxBaseIndex);
indicesPtr->push_back(vtxBaseIndex+1);
indicesPtr->push_back(vtxBaseIndex+2);
GLInstanceVertex vtx0;
vtx0.xyzw[0] = obj->vertexList[face->vertex_index[0]]->e[0];
vtx0.xyzw[1] = obj->vertexList[face->vertex_index[0]]->e[1];
vtx0.xyzw[2] = obj->vertexList[face->vertex_index[0]]->e[2];
vtx0.xyzw[3] = 0.f;//obj->vertexList[face->vertex_index[0]]->e[2];
vtx0.uv[0] = 0.5f;//obj->textureList[face->vertex_index[0]]->e[0];
vtx0.uv[1] = 0.5f;//obj->textureList[face->vertex_index[0]]->e[1];
GLInstanceVertex vtx1;
vtx1.xyzw[0] = obj->vertexList[face->vertex_index[1]]->e[0];
vtx1.xyzw[1] = obj->vertexList[face->vertex_index[1]]->e[1];
vtx1.xyzw[2] = obj->vertexList[face->vertex_index[1]]->e[2];
vtx1.xyzw[3]= 0.f;
vtx1.uv[0] = 0.5f;//obj->textureList[face->vertex_index[1]]->e[0];
vtx1.uv[1] = 0.5f;//obj->textureList[face->vertex_index[1]]->e[1];
GLInstanceVertex vtx2;
vtx2.xyzw[0] = obj->vertexList[face->vertex_index[2]]->e[0];
vtx2.xyzw[1] = obj->vertexList[face->vertex_index[2]]->e[1];
vtx2.xyzw[2] = obj->vertexList[face->vertex_index[2]]->e[2];
vtx2.xyzw[3] = 0.f;
vtx2.uv[0] = 0.5f;obj->textureList[face->vertex_index[2]]->e[0];
vtx2.uv[1] = 0.5f;obj->textureList[face->vertex_index[2]]->e[1];
btVector3 v0(vtx0.xyzw[0],vtx0.xyzw[1],vtx0.xyzw[2]);
btVector3 v1(vtx1.xyzw[0],vtx1.xyzw[1],vtx1.xyzw[2]);
btVector3 v2(vtx2.xyzw[0],vtx2.xyzw[1],vtx2.xyzw[2]);
normal = (v1-v0).cross(v2-v0);
normal.normalize();
vtx0.normal[0] = normal[0];
vtx0.normal[1] = normal[1];
vtx0.normal[2] = normal[2];
vtx1.normal[0] = normal[0];
vtx1.normal[1] = normal[1];
vtx1.normal[2] = normal[2];
vtx2.normal[0] = normal[0];
vtx2.normal[1] = normal[1];
vtx2.normal[2] = normal[2];
vertices->push_back(vtx0);
vertices->push_back(vtx1);
vertices->push_back(vtx2);
}
if (face->vertex_count==4)
{
indicesPtr->push_back(vtxBaseIndex);
indicesPtr->push_back(vtxBaseIndex+1);
indicesPtr->push_back(vtxBaseIndex+2);
indicesPtr->push_back(vtxBaseIndex+3);
//
GLInstanceVertex vtx3;
vtx3.xyzw[0] = obj->vertexList[face->vertex_index[3]]->e[0];
vtx3.xyzw[1] = obj->vertexList[face->vertex_index[3]]->e[1];
vtx3.xyzw[2] = obj->vertexList[face->vertex_index[3]]->e[2];
vtx3.uv[0] = 0.5;
vtx3.uv[1] = 0.5;
vtx3.normal[0] = normal[0];
vtx3.normal[1] = normal[1];
vtx3.normal[2] = normal[2];
vertices->push_back(vtx3);
}
}
}
GLInstanceGraphicsShape* gfxShape = new GLInstanceGraphicsShape;
gfxShape->m_vertices = vertices;
gfxShape->m_numvertices = vertices->size();
gfxShape->m_indices = indicesPtr;
gfxShape->m_numIndices = indicesPtr->size();
for (int i=0;i<4;i++)
gfxShape->m_scaling[i] = 1;//bake the scaling into the vertices
return gfxShape;
}
}
void ConcaveScene::setupScene(const ConstructionInfo& ci)
{
objLoader* objData = new objLoader();
//char* fileName = "data/plane100.obj";
//char* fileName = "data/teddy.obj";//"plane.obj";
// char* fileName = "data/sponza_closed.obj";//"plane.obj";
//char* fileName = "data/leoTest1.obj";
char* fileName = "data/samurai_monastry.obj";
btVector3 shift(0,0,0);//150,-100,-120);
btVector4 scaling(10,10,10,1);//4,4,4,1);
FILE* f = 0;
char relativeFileName[1024];
{
const char* prefix[]={"../","../../","../../../","../../../../"};
int numPrefixes = sizeof(prefix)/sizeof(char*);
for (int i=0;i<numPrefixes;i++)
{
sprintf(relativeFileName,"%s%s",prefix[i],fileName);
f = fopen(relativeFileName,"r");
if (f)
{
fclose(f);
break;
}
}
}
if (f)
fclose(f);
else
return;
objData->load(relativeFileName);
int index=10;
{
GLInstanceGraphicsShape* shape = createGraphicsShapeFromWavefrontObj(objData);
btAlignedObjectArray<btVector3> verts;
for (int i=0;i<shape->m_numvertices;i++)
{
for (int j=0;j<3;j++)
shape->m_vertices->at(i).xyzw[j] += shift[j];
btVector3 vtx(shape->m_vertices->at(i).xyzw[0],
shape->m_vertices->at(i).xyzw[1],
shape->m_vertices->at(i).xyzw[2]);
verts.push_back(vtx*scaling);
}
int colIndex = m_data->m_np->registerConcaveMesh(&verts,shape->m_indices,btVector3(1,1,1));
{
int strideInBytes = 9*sizeof(float);
int numVertices = sizeof(cube_vertices)/strideInBytes;
int numIndices = sizeof(cube_indices)/sizeof(int);
//int shapeId = ci.m_instancingRenderer->registerShape(&cube_vertices[0],numVertices,cube_indices,numIndices);
//int shapeId = ci.m_instancingRenderer->registerShape(&cube_vertices[0],numVertices,cube_indices,numIndices);
int shapeId = ci.m_instancingRenderer->registerShape(&shape->m_vertices->at(0).xyzw[0], shape->m_numvertices, &shape->m_indices->at(0), shape->m_numIndices);
btQuaternion orn(0,0,0,1);
btVector4 color(0.3,0.3,1,1.f);//0.5);//1.f
{
float mass = 0.f;
btVector3 position(0,0,0);
int id = ci.m_instancingRenderer->registerGraphicsInstance(shapeId,position,orn,color,scaling);
int pid = m_data->m_rigidBodyPipeline->registerPhysicsInstance(mass,position,orn,colIndex,index);
index++;
}
}
}
int strideInBytes = 9*sizeof(float);
int numVertices = sizeof(cube_vertices)/strideInBytes;
int numIndices = sizeof(cube_indices)/sizeof(int);
//int shapeId = ci.m_instancingRenderer->registerShape(&cube_vertices[0],numVertices,cube_indices,numIndices);
int shapeId = ci.m_instancingRenderer->registerShape(&cube_vertices[0],numVertices,cube_indices,numIndices);
int group=1;
int mask=1;
if (1)
{
int curColor = 0;
btVector4 colors[4] =
{
btVector4(1,1,1,1),
btVector4(1,1,0.3,1),
btVector4(0.3,1,1,1),
btVector4(0.3,0.3,1,1),
};
btVector4 scaling(1,1,1,1);
int colIndex = m_data->m_np->registerConvexHullShape(&cube_vertices[0],strideInBytes,numVertices, scaling);
for (int i=0;i<ci.arraySizeX;i++)
{
for (int j=0;j<ci.arraySizeY;j++)
{
for (int k=0;k<ci.arraySizeZ;k++)
{
float mass = 1;
//btVector3 position(-2*ci.gapX+i*ci.gapX,25+j*ci.gapY,-2*ci.gapZ+k*ci.gapZ);
btVector3 position(-(ci.arraySizeX/2)*CONCAVE_GAPX+i*CONCAVE_GAPX,50+j*CONCAVE_GAPY,-(ci.arraySizeZ/2)*CONCAVE_GAPZ+k*CONCAVE_GAPZ);
btQuaternion orn(1,0,0,0);
btVector4 color = colors[curColor];
curColor++;
curColor&=3;
int id = ci.m_instancingRenderer->registerGraphicsInstance(shapeId,position,orn,color,scaling);
int pid = m_data->m_rigidBodyPipeline->registerPhysicsInstance(mass,position,orn,colIndex,index);
index++;
}
}
}
}
float camPos[4]={0,0,0,0};//65.5,4.5,65.5,0};
//float camPos[4]={1,12.5,1.5,0};
m_instancingRenderer->setCameraTargetPosition(camPos);
m_instancingRenderer->setCameraDistance(370);
}
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