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3dsshape.cc

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#include "3dsshape.hh"
#include "dlc_register.h"

#include "stringhash.hh"
#include "3ds.hh"

struct 3dsData {
    DtShapeRef shape;
    GLuint display;
};

string_map<3dsData *> loaded;

void o3dsShape::init(oConfiguration &c) {
    if (c.hasElement("filename")) {
        string s = c.getString("filename")
        
        3dsData* data;
        data = loaded[s.c_str()];
        if (data == NULL) {
            data = new 3dsData;
            data->display = glGenLists(1);
            
            3ds loader(s);

            glNewList(data->display, GL_COMPILE);           
            glBegin(GL_TRIANGLES);                  

            data->shape = dtNewComplexShape();

            cout << "number of objects: " << loader.numOfObjects << endl;
            for(int i=0; i<loader.numOfObjects; i++) {
                if(loader.pObject.size() <= 0) break;
                
                t3DObject *pObject = &loader.pObject[i];
                if(pObject->bHasTexture) {
                    glEnable(GL_TEXTURE_2D);
                    glColor3ub(255, 255, 255);
                    glBindTexture(GL_TEXTURE_2D, texture[pObject->materialID]);
                } else {
                    glDisable(GL_TEXTURE_2D);
                }
                
                for(int j = 0; j < pObject->numOfFaces; j++) {
                    //what about all the inbetween calls
                    dtBegin(DT_SIMPLEX);
                    for(int whichVertex = 0; whichVertex < 3; whichVertex++) {
                        int index = pObject->pFaces[j].vertIndex[whichVertex];
                        glNormal3f(pObject->pNormals[ index ].x, pObject->pNormals[ index ].y, pObject->pNormals[ index ].z);                   
                        if(pObject->bHasTexture) {
                            if(pObject->pTexVerts) {
                                glTexCoord2f(pObject->pTexVerts[ index ].x, pObject->pTexVerts[ index ].y);
                            }
                        } else {
                            BYTE *pColor = loader.pMaterials[pObject->materialID].color;
                            glColor3ub(pColor[0], pColor[1], pColor[2]);
                        }
                        glVertex3f(pObject->pVerts[ index ].x, pObject->pVerts[ index ].y, pObject->pVerts[ index ].z);             
                        dtVertex(pObject->pVerts[ index ].x, pObject->pVerts[ index ].y, pObject->pVerts[ index ].z);               
                    }
                    dtEnd();
                }
                glEnd();
            }
            
            //          //fixme one could easily clear this up to use the same structures as the asc-loader
            //          //that is our own
            //          for (vector<Triangle>::iterator i = loader.triangles.begin(); i!=loader.triangles.end(); ++i) {
            //              Triangle &t = *i;
            //
            //              // display list
            //              glNormal3f(t.normal.getX(), t.normal.getY(), t.normal.getZ());
            //              glVertex3f(loader.vertices[t.A]->getX(),loader.vertices[t.A]->getY(),loader.vertices[t.A]->getZ()); 
            //              glVertex3f(loader.vertices[t.B]->getX(),loader.vertices[t.B]->getY(),loader.vertices[t.B]->getZ()); 
            //              glVertex3f(loader.vertices[t.C]->getX(),loader.vertices[t.C]->getY(),loader.vertices[t.C]->getZ()); 
            //
            //              // collision detection
            //              dtBegin(DT_SIMPLEX);
            //              dtVertex(loader.vertices[t.A]->getX(),loader.vertices[t.A]->getY(),loader.vertices[t.A]->getZ());   
            //              dtVertex(loader.vertices[t.B]->getX(),loader.vertices[t.B]->getY(),loader.vertices[t.B]->getZ());   
            //              dtVertex(loader.vertices[t.C]->getX(),loader.vertices[t.C]->getY(),loader.vertices[t.C]->getZ());   
            //              dtEnd();
            //          }
            //
            dtEndComplexShape();
            
            glEnd();
            glEndList();

            loaded[s.c_str()] = data;
        }

        dtCreateObject(parent, data->shape);
        display = data->display;
    } else {
        cerr << "No filename given for 3dshape" << endl;
    }

    Shape::init(xml);
}

void o3dsShape::redraw() {
    glCallList(display);
    Shape::redraw();
}

DLC_Register_Macro(o3dsShape)

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Anoid NG © Michael Westergaard, Martin Stig Stissing, Ronni Michael Laursen, and Kristian Bisgaard Lassen