KX_Light.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef __KX_LIGHT
#define __KX_LIGHT

#include "RAS_LightObject.h"
#include "KX_GameObject.h"

struct GPULamp;
struct Scene;
class KX_Camera;
class RAS_IRasterizer;
class RAS_IRenderTools;
class MT_Transform;

class KX_LightObject : public KX_GameObject
{
    Py_Header
protected:
    RAS_LightObject     m_lightobj;
    class RAS_IRenderTools* m_rendertools;  //needed for registering and replication of lightobj
    bool                m_glsl;
    Scene*              m_blenderscene;

public:
    KX_LightObject(void* sgReplicationInfo,SG_Callbacks callbacks,class RAS_IRenderTools* rendertools,const struct RAS_LightObject& lightobj, bool glsl);
    virtual ~KX_LightObject();
    virtual CValue*     GetReplica();
    RAS_LightObject*    GetLightData() { return &m_lightobj;}

    /* OpenGL Light */
    bool ApplyLight(KX_Scene *kxscene, int oblayer, int slot);

    /* GLSL Light */
    struct GPULamp *GetGPULamp();
    bool HasShadowBuffer();
    int GetShadowLayer();
    void BindShadowBuffer(class RAS_IRasterizer *ras, class KX_Camera *cam, class MT_Transform& camtrans);
    void UnbindShadowBuffer(class RAS_IRasterizer *ras);
    void Update();
    
    void UpdateScene(class KX_Scene *kxscene) {m_lightobj.m_scene = (void*)kxscene;}

    virtual int GetGameObjectType() { return OBJ_LIGHT; }

#ifdef WITH_PYTHON
    /* attributes */
    static PyObject*    pyattr_get_color(void* self_v, const KX_PYATTRIBUTE_DEF *attrdef);
    static int          pyattr_set_color(void* self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject* value);
    static PyObject*    pyattr_get_typeconst(void* self_v, const KX_PYATTRIBUTE_DEF *attrdef);
    static PyObject*    pyattr_get_type(void* self_v, const KX_PYATTRIBUTE_DEF *attrdef);
    static int          pyattr_set_type(void* self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject* value);
#endif
};

#endif //__KX_LIGHT