6a9c54c4ef
Small refactoring for ExampleBrowser: move examples cpp files in the app/executable Move ExtendedTutorials in its own app/executable as a test.
154 lines
3.7 KiB
C++
154 lines
3.7 KiB
C++
#include "ImportObjExample.h"
|
|
#include <vector>
|
|
#include "../OpenGLWindow/GLInstancingRenderer.h"
|
|
#include"Wavefront/tiny_obj_loader.h"
|
|
#include "../OpenGLWindow/GLInstanceGraphicsShape.h"
|
|
#include "btBulletDynamicsCommon.h"
|
|
#include "../OpenGLWindow/SimpleOpenGL3App.h"
|
|
#include "Wavefront2GLInstanceGraphicsShape.h"
|
|
#include "../../Utils/b3ResourcePath.h"
|
|
#include "Bullet3Common/b3FileUtils.h"
|
|
|
|
#include "stb_image/stb_image.h"
|
|
|
|
#include "../CommonInterfaces/CommonRigidBodyBase.h"
|
|
|
|
|
|
class ImportObjSetup : public CommonRigidBodyBase
|
|
{
|
|
|
|
std::string m_fileName;
|
|
|
|
|
|
public:
|
|
ImportObjSetup(struct GUIHelperInterface* helper, const char* fileName);
|
|
virtual ~ImportObjSetup();
|
|
|
|
virtual void initPhysics();
|
|
|
|
virtual void resetCamera()
|
|
{
|
|
float dist = 18;
|
|
float pitch = 120;
|
|
float yaw = 46;
|
|
float targetPos[3]={-2,-2,-2};
|
|
m_guiHelper->resetCamera(dist,pitch,yaw,targetPos[0],targetPos[1],targetPos[2]);
|
|
}
|
|
|
|
};
|
|
|
|
ImportObjSetup::ImportObjSetup(struct GUIHelperInterface* helper, const char* fileName)
|
|
:CommonRigidBodyBase(helper)
|
|
{
|
|
if (fileName)
|
|
{
|
|
m_fileName = fileName;
|
|
} else
|
|
{
|
|
m_fileName = "cube.obj";//sphere8.obj";//sponza_closed.obj";//sphere8.obj";
|
|
}
|
|
}
|
|
|
|
ImportObjSetup::~ImportObjSetup()
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void ImportObjSetup::initPhysics()
|
|
{
|
|
m_guiHelper->setUpAxis(2);
|
|
this->createEmptyDynamicsWorld();
|
|
m_guiHelper->createPhysicsDebugDrawer(m_dynamicsWorld);
|
|
m_dynamicsWorld->getDebugDrawer()->setDebugMode(btIDebugDraw::DBG_DrawWireframe);
|
|
|
|
|
|
|
|
char relativeFileName[1024];
|
|
if (b3ResourcePath::findResourcePath(m_fileName.c_str(), relativeFileName, 1024))
|
|
{
|
|
char pathPrefix[1024];
|
|
|
|
b3FileUtils::extractPath(relativeFileName, pathPrefix, 1024);
|
|
|
|
|
|
|
|
btVector3 shift(0,0,0);
|
|
btVector3 scaling(1,1,1);
|
|
// int index=10;
|
|
|
|
{
|
|
|
|
std::vector<tinyobj::shape_t> shapes;
|
|
std::string err = tinyobj::LoadObj(shapes, relativeFileName, pathPrefix);
|
|
|
|
GLInstanceGraphicsShape* gfxShape = btgCreateGraphicsShapeFromWavefrontObj(shapes);
|
|
|
|
btTransform trans;
|
|
trans.setIdentity();
|
|
trans.setRotation(btQuaternion(btVector3(1,0,0),SIMD_HALF_PI));
|
|
|
|
btVector3 position = trans.getOrigin();
|
|
btQuaternion orn = trans.getRotation();
|
|
|
|
btVector3 color(1,1,1);
|
|
|
|
int textureIndex = -1;
|
|
//try to load some texture
|
|
for (int i=0;i<shapes.size();i++)
|
|
{
|
|
const tinyobj::shape_t& shape = shapes[i];
|
|
if (shape.material.diffuse_texname.length()>0)
|
|
{
|
|
|
|
int width,height,n;
|
|
const char* filename = shape.material.diffuse_texname.c_str();
|
|
const unsigned char* image=0;
|
|
|
|
const char* prefix[]={ pathPrefix,"./","./data/","../data/","../../data/","../../../data/","../../../../data/"};
|
|
int numprefix = sizeof(prefix)/sizeof(const char*);
|
|
|
|
for (int i=0;!image && i<numprefix;i++)
|
|
{
|
|
char relativeFileName[1024];
|
|
sprintf(relativeFileName,"%s%s",prefix[i],filename);
|
|
image = stbi_load(relativeFileName, &width, &height, &n, 0);
|
|
}
|
|
|
|
if (image)
|
|
{
|
|
textureIndex = m_guiHelper->getRenderInterface()->registerTexture(image,width,height);
|
|
if (textureIndex>=0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
int shapeId = m_guiHelper->getRenderInterface()->registerShape(&gfxShape->m_vertices->at(0).xyzw[0], gfxShape->m_numvertices, &gfxShape->m_indices->at(0), gfxShape->m_numIndices,B3_GL_TRIANGLES,textureIndex);
|
|
|
|
//int id =
|
|
m_guiHelper->getRenderInterface()->registerGraphicsInstance(shapeId,position,orn,color,scaling);
|
|
|
|
|
|
}}
|
|
else
|
|
{
|
|
b3Warning("Cannot find %s\n", m_fileName.c_str());
|
|
}
|
|
|
|
}
|
|
|
|
CommonExampleInterface* ImportObjCreateFunc(struct CommonExampleOptions& options)
|
|
{
|
|
return new ImportObjSetup(options.m_guiHelper, options.m_fileName);
|
|
}
|