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/home/rdbrown/doxygen/cse125g1/src/modules/actor/Skin.cpp

#include "Skin.h"
#include "Triangle.h"
#include "math/vector3.h"
#include "Token.h"
//#include "image/RgbImage.h"

Skin::~Skin()
{
        if(verts)
                delete verts;
        if(norms)
                delete norms;
        /*
        delete texCoords;
        
        delete skinVerts;
        delete vertIndices;
        delete normIndices;
        */
}

void Skin::AllocateVertexArrays()
{
        verts = new Vector3[numVerts];
        norms = new Vector3[numVerts];
}

void Skin::Load(Tokenizer &tokens)
{
        char temp[64];
        float skinScale = 1.0f, xScale = 1.0f, xoffs = 0.0f, yoffs = 0.0f;
        verts = NULL;
        norms = NULL;
        tokens.FindToken("mesh");
        tokens.GetToken(temp);
        if(strcmp(temp,"scale") == 0)
        {
                skinScale = tokens.GetFloat();
                tokens.GetToken(temp);
        }
        if(strcmp(temp,"xscale") == 0)
        {
                xScale = tokens.GetFloat();
                tokens.GetToken(temp);
        }
        if(strcmp(temp,"xoffs") == 0)
        {
                xoffs = tokens.GetFloat();
                tokens.GetToken(temp);
        }
        if(strcmp(temp,"yoffs") == 0)
        {
                yoffs = tokens.GetFloat();
                tokens.GetToken(temp);
        }
        if(strcmp(temp,"verts") != 0)
                tokens.FindToken("verts");
        numVerts = tokens.GetInt();
        skinVerts = new SkinVert[numVerts];
        texCoords = new TexCoord[numVerts];
        for(int i = 0; i < numVerts; i++)
        {
                float x = (tokens.GetFloat() + xoffs) * xScale;
                float y = tokens.GetFloat() + yoffs;
                float z = tokens.GetFloat();
                skinVerts[i].pos.Set(skinScale*x,skinScale*y,skinScale*z);
                skinVerts[i].numWeights = tokens.GetInt();
                if(skinVerts[i].numWeights > 0)
                        skinVerts[i].weights = new SkinVertWeight[skinVerts[i].numWeights];
                for(int j=0; j < skinVerts[i].numWeights; j++)
                {
                        skinVerts[i].weights[j].joint = tokens.GetInt();
                        skinVerts[i].weights[j].weight = tokens.GetFloat();
                }
                //load the vertex array tex coords
                texCoords[i].x = tokens.GetFloat();
                texCoords[i].y = tokens.GetFloat();
                //load the skinVert tex coords
                skinVerts[i].texCoord = texCoords[i];
                x = tokens.GetFloat();
                y = tokens.GetFloat();
                z = tokens.GetFloat();
                skinVerts[i].normal.Set(x,y,z);
        }
        tokens.FindToken("faces");
        numFaces = tokens.GetInt();
        vertIndices = new FaceIndices[numFaces];
        normIndices = new FaceIndices[numFaces];
        for(int i = 0; i < numFaces; i++)
        {
                int a = tokens.GetInt();
                int b = tokens.GetInt();
                int c = tokens.GetInt();
                vertIndices[i].Set(a,b,c);
                a = tokens.GetInt();
                b = tokens.GetInt();
                c = tokens.GetInt();
                normIndices[i].Set(a,b,c);
        }
}
void Skin::Draw()
{
//      if(displayList < 0)
//      {
                /*
                glEnable(GL_TEXTURE_2D);
                glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
                glBindTexture(GL_TEXTURE_2D, getNameForTexture(0));
                */
//              displayList = glGenLists(1);
//              glNewList(displayList, GL_COMPILE);
                //glLoadIdentity();
                glColor3f(.9,.9,.9);
                glEnableClientState(GL_VERTEX_ARRAY);
                glEnableClientState(GL_NORMAL_ARRAY);
                glEnableClientState(GL_TEXTURE_COORD_ARRAY);
                glVertexPointer(3,GL_FLOAT,0,verts);
                glNormalPointer(GL_FLOAT,0,norms);
                glTexCoordPointer(2,GL_FLOAT,0,texCoords);
                glDrawElements(GL_TRIANGLES,numFaces*3,GL_UNSIGNED_INT,normIndices);
                glDisableClientState(GL_VERTEX_ARRAY);
                glDisableClientState(GL_NORMAL_ARRAY);
                glDisableClientState(GL_TEXTURE_COORD_ARRAY);
//              glEndList();

        //      glDisable(GL_TEXTURE_2D);

                //slow draw method
                /*
                glBegin(GL_TRIANGLES);
                for(int i = 0; i < numFaces; i++)
                {
                        skinVerts[normIndices[i].a].Draw();
                        skinVerts[normIndices[i].b].Draw();
                        skinVerts[normIndices[i].c].Draw();
                }
                glEnd();
                */
//      }
//      else
//              glCallList(displayList);
}

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