shdcubemap.h

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  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 3 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, see <http://www.gnu.org/licenses/>.
*/
 
 /***********************************************************************************************
 ***              C O N F I D E N T I A L  ---  W E S T W O O D  S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : WWSHADE                                                         *
 *                                                                                             *
 *                     $Archive:: wwshade/shdcubemap.cpp                           $*
 *                                                                                             *
 *                  $Org Author:: Kenny_m
 *                                                                                                                                  
 *                      $Author:: Kenny_m
 *                                                                                                                                  
 *                            $Modtime:: 8/01/02 3:12p                                               $*
 *                                                                                             *
 *                    $Revision:: 1                                                          $*
 *                                                                                             *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
#ifndef SHDCUBEMAP_H
#define SHDCUBEMAP_H
 
#ifndef SHDINTERFACE_H
#include "shdinterface.h"
#endif
 
#include "shddef.h"
#include "saveload.h"
#include "shader.h"
 
class ShdCubeMapDefClass : public ShdDefClass
{
public:

    //  Editable interface requirements
    DECLARE_EDITABLE(ShdCubeMapDefClass, ShdDefClass);
 
    ShdCubeMapDefClass();
    ShdCubeMapDefClass(const ShdCubeMapDefClass& that);
    virtual ~ShdCubeMapDefClass();
    
    virtual ShdDefClass* Clone() const  { return new ShdCubeMapDefClass(*this); }
 
    // Shader Creation (should create a shader compatible with the current hardware/API)
    virtual void                        Init();
    virtual void                        Shutdown();
    virtual ShdInterfaceClass*     Create() const;
 
    // Validation methods
    virtual bool                        Is_Valid_Config(StringClass &message);
 
    // Requirements
    virtual bool                        Requires_Normals() const { return true; }
    virtual bool                        Requires_Tangent_Space_Vectors() const { return false; }
    virtual bool                        Requires_Sorting() const { return false; }
    virtual int                         Static_Sort_Index() const { return 0; }
 
    // From PersistClass
    virtual bool                        Save(ChunkSaveClass &csave);
    virtual bool                        Load(ChunkLoadClass &cload);
 
    void                                    Set_Texture_Name(const StringClass& name) { TextureName=name; }
    const StringClass&               Get_Texture_Name() const { return TextureName; }
 
    void                                    Set_Ambient(const Vector3& ambient) { Ambient=ambient; }
    const Vector3&                       Get_Ambient() const { return Ambient; }
 
    void                                    Set_Diffuse(const Vector3& diffuse) { Diffuse=diffuse; }
    const Vector3&                       Get_Diffuse() const { return Diffuse; }
 
    void                                    Set_Specular(const Vector3& specular) { Specular=specular; }
    const Vector3&                       Get_Specular() const { return Specular; }
 
private:
 
    bool                                    Save_Variables(ChunkSaveClass &csave);
    bool                                    Load_Variables(ChunkLoadClass &cload);
 
    StringClass                          TextureName;
 
    Vector3                              Ambient;
    Vector3                              Diffuse;
    Vector3                              Specular;
};
 
 
 
class Shd6CubeMapClass : public ShdInterfaceClass
{
public:
    Shd6CubeMapClass(const ShdDefClass* def);
    virtual ~Shd6CubeMapClass();
    
    static void Init();
    static void Shutdown();
 
    virtual int                         Get_Pass_Count() { return 1; }
 
    virtual int                         Get_Texture_Count() const { return 1; }
    virtual TextureClass*           Peek_Texture(int idx) const { return NULL; }
 
    virtual void                        Apply_Shared(int cur_pass, RenderInfoClass& rinfo);
    virtual void                        Apply_Instance(int cur_pass, RenderInfoClass& rinfo);
 
    virtual unsigned                    Get_Vertex_Stream_Count() const;
    virtual unsigned                    Get_Vertex_Size(unsigned stream) const;
    virtual bool                        Use_HW_Vertex_Processing() const { return true; }
 
    virtual void                        Copy_Vertex_Stream
    (
        unsigned stream, 
        void* dest_buffer, 
        const VertexStreamStruct& vss, 
        unsigned vertex_count
    );
 
protected:
 
    static Matrix4x4               View_Projection_Matrix;
 
    D3DMATERIAL8*                   Material;
 
    TextureClass*                   Texture;
 
    Vector4                          Ambient;
    Vector4                          Diffuse;
    Vector4                          Specular;
};
 
 
#endif //SHDCUBEMAP_H