GameStar 2004 April/Gamestar_61_2004-04_dvdb.iso/DVDStar/Editace/hltp.exe/{app}/Source Code/MAP Viewer/Face.h

C/C++ Source or Header | 2003-10-09 | 4.7 KB | 243 lines

/*
Half-Life MAP viewing utility.
Copyright (C) 2003  Ryan Samuel Gregg

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#pragma once
#include "stdafx.h"
#include "WorldObject.h"
#include "TextureManager.h"

__gc class CFace : public CWorldObject
{
private:
    bool bSpecialTexture;

    int iIndex;
    unsigned int iID;
    Vector *vAxisU;
    Vector *vAxisV;
    Vertex2f vShift;
    Vertex2f vScale;
    float fRotation;

    int iNumVertices;

    Vertex2f *TexCoords;
    Vertex3f *Vertices;
    Vertex3f vNormal;

public:
    CFace(CConfig *Config, int iNumVertices) : CWorldObject(Config)
    {
        bSpecialTexture = false;
        this->iNumVertices = iNumVertices;

        TexCoords = new Vertex2f[iNumVertices];
        Vertices = new Vertex3f[iNumVertices];
    }

    ~CFace()
    {
        delete []TexCoords;
        delete []Vertices;
    }

    void SetVertex(int iIndex, Vertex3f Vertex)
    {
        Vertices[iIndex] = Vertex;
    }

    void SetNormal(Vertex3f vNormal)
    {
        this->vNormal.X = vNormal.X;
        this->vNormal.Y = vNormal.Y;
        this->vNormal.Z = vNormal.Z;
    }

    void SetSpecialTexture(bool bSpecialTexture)
    {
        this->bSpecialTexture = bSpecialTexture;
    }

    void SetTextureInfo(int iIndex, Vector *vAxisU, Vector *vAxisV, Vertex2f vShift, Vertex2f vScale, float fRotation)
    {
        this->iIndex = iIndex;
        this->vAxisU = vAxisU;
        this->vAxisV = vAxisV;
        this->vShift.X = vShift.X;
        this->vShift.Y = vShift.Y;
        this->vScale.X = vScale.X;
        this->vScale.Y = vScale.Y;
        this->fRotation = fRotation;
    }

    void SetTextureID(unsigned int iID)
    {
        this->iID = iID;
    }

    Vertex3f *GetVertices()
    {
        return Vertices;
    }

    Vertex3f GetVertex(int iIndex)
    {
        return Vertices[iIndex];
    }

    int GetVertexCount()
    {
        return iNumVertices;
    }

    String *GetTexture(CTextureManager *TextureManager)
    {
        return TextureManager->GetName(iIndex);
    }

    float GetUShift()
    {
        return vShift.X;
    }

    float GetVShift()
    {
        return vShift.Y;
    }

    float GetUScale()
    {
        return vScale.X;
    }

    float GetVScale()
    {
        return vScale.Y;
    }

    float GetRotation()
    {
        return fRotation;
    }

    void UpdateTexCoords(CTextureManager *TextureManager)
    {
        iID = TextureManager->GetID(iIndex);

        float W, H, SX, SY;
        W = 1.0f / (float)TextureManager->GetWidth(iIndex);
        H = 1.0f / (float)TextureManager->GetHeight(iIndex);
        SX = 1.0f / vScale.X;
        SY = 1.0f / vScale.Y;

        Vector *V;
        for(int i = 0; i < iNumVertices; i++)
        {
            V = new Vector(Vertices[i]);

            TexCoords[i].X = (V->Dot(vAxisU) * W * SX) + (vShift.X * W);
            TexCoords[i].Y = (V->Dot(vAxisV) * H * SY) + (vShift.Y * H);
        }
    }

    void DrawFaceTextured()
    {
        if(bSpecialTexture && !Config->bDrawSpecialTextures)
            return;

        glBindTexture(GL_TEXTURE_2D, iID);

        glBegin(GL_POLYGON);
        glNormal3f(vNormal.X, vNormal.Y, vNormal.Z);
        for(int i = 0; i < iNumVertices; i++)
        {
            glTexCoord2fv(&TexCoords[i].X);
            glVertex3fv(&Vertices[i].X);
        }
        glEnd();
    }

    void DrawFaceSolid()
    {
        if(bSpecialTexture && !Config->bDrawSpecialTextures)
            return;

        glBegin(GL_POLYGON);
        glNormal3f(vNormal.X, vNormal.Y, vNormal.Z);
        for(int i = 0; i < iNumVertices; i++)
        {
            glVertex3fv(&Vertices[i].X);
        }
        glEnd();
    }

    void DrawFaceWireFrame()
    {
        if(bSpecialTexture && !Config->bDrawSpecialTextures)
            return;

        glBegin(GL_LINE_LOOP);
        for(int i = 0; i < iNumVertices; i++)
        {
            glVertex3fv(&Vertices[i].X);
        }
        glEnd();
    }

    void DrawFacePoints()
    {
        if(bSpecialTexture && !Config->bDrawSpecialTextures)
            return;

        glBegin(GL_POINTS);
        for(int i = 0; i < iNumVertices; i++)
        {
            glVertex3fv(&Vertices[i].X);
        }
        glEnd();
    }

    void Highlight(bool bPrepared)
    {
        if(!bPrepared)
        {
            PrepareHighlight();
        }

        glBegin(GL_LINE_LOOP);
        for(int i = 0; i < iNumVertices; i++)
        {
            glVertex3fv(&Vertices[i].X);
        }
        glEnd();
    }

    void Outline()
    {
        if(bSpecialTexture && !Config->bDrawSpecialTextures)
            return;

        glBegin(GL_LINE_LOOP);
        for(int i = 0; i < iNumVertices; i++)
        {
            glVertex3fv(&Vertices[i].X);
        }
        glEnd();
    }
};