KX_GameActuator.cpp

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/*
 * global game stuff
 *
 *
 * ***** 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 *****
 */

#include <stddef.h>

#include "SCA_IActuator.h"
#include "KX_GameActuator.h"
//#include <iostream>
#include "KX_Scene.h"
#include "KX_KetsjiEngine.h"
#include "KX_PythonInit.h" /* for config load/saving */

#include <stdio.h>
#include <stdlib.h>

/* ------------------------------------------------------------------------- */
/* Native functions                                                          */
/* ------------------------------------------------------------------------- */

KX_GameActuator::KX_GameActuator(SCA_IObject *gameobj, 
                                   int mode,
                                   const STR_String& filename,
                                   const STR_String& loadinganimationname,
                                   SCA_IScene* scene,
                                   KX_KetsjiEngine* ketsjiengine)
                                   : SCA_IActuator(gameobj, KX_ACT_GAME)
{
    m_mode = mode;
    m_filename = filename;
    m_loadinganimationname = loadinganimationname;
    m_scene = scene;
    m_ketsjiengine = ketsjiengine;
} /* End of constructor */



KX_GameActuator::~KX_GameActuator()
{ 
    // there's nothing to be done here, really....
} /* end of destructor */



CValue* KX_GameActuator::GetReplica()
{
    KX_GameActuator* replica = new KX_GameActuator(*this);
    replica->ProcessReplica();
    
    return replica;
}



bool KX_GameActuator::Update()
{
    // bool result = false;  /*unused*/
    bool bNegativeEvent = IsNegativeEvent();
    RemoveAllEvents();

    if (bNegativeEvent)
        return false; // do nothing on negative events

    switch (m_mode)
    {
    case KX_GAME_LOAD:
    case KX_GAME_START:
        {
            if (m_ketsjiengine)
            {
                STR_String exitstring = "start other game";
                m_ketsjiengine->RequestExit(KX_EXIT_REQUEST_START_OTHER_GAME);
                m_ketsjiengine->SetNameNextGame(m_filename);
                m_scene->AddDebugProperty((this)->GetParent(), exitstring);
            }

            break;
        }
    case KX_GAME_RESTART:
        {
            if (m_ketsjiengine)
            {
                STR_String exitstring = "restarting game";
                m_ketsjiengine->RequestExit(KX_EXIT_REQUEST_RESTART_GAME);
                m_ketsjiengine->SetNameNextGame(m_filename);
                m_scene->AddDebugProperty((this)->GetParent(), exitstring);
            }
            break;
        }
    case KX_GAME_QUIT:
        {
            if (m_ketsjiengine)
            {
                STR_String exitstring = "quiting game";
                m_ketsjiengine->RequestExit(KX_EXIT_REQUEST_QUIT_GAME);
                m_scene->AddDebugProperty((this)->GetParent(), exitstring);
            }
            break;
        }
    case KX_GAME_SAVECFG:
        {
#ifdef WITH_PYTHON
            if (m_ketsjiengine)
            {
                char mashal_path[512];
                char *marshal_buffer = NULL;
                unsigned int marshal_length;
                FILE *fp = NULL;
                
                pathGamePythonConfig(mashal_path);
                marshal_length = saveGamePythonConfig(&marshal_buffer);
                
                if (marshal_length && marshal_buffer) {
                    fp = fopen(mashal_path, "wb");
                    if (fp) {
                        if (fwrite(marshal_buffer, 1, marshal_length, fp) != marshal_length) {
                            printf("Warning: could not write marshal data\n");
                        }
                        fclose(fp);
                    } else {
                        printf("Warning: could not open marshal file\n");
                    }
                } else {
                    printf("Warning: could not create marshal buffer\n");
                }
                if (marshal_buffer)
                    delete [] marshal_buffer;
            }
            break;
#endif // WITH_PYTHON
        }
    case KX_GAME_LOADCFG:
        {
#ifdef WITH_PYTHON
            if (m_ketsjiengine)
            {
                char mashal_path[512];
                char *marshal_buffer;
                int marshal_length;
                FILE *fp = NULL;
                int result;
                
                pathGamePythonConfig(mashal_path);
                
                fp = fopen(mashal_path, "rb");
                if (fp) {
                    // obtain file size:
                    fseek (fp , 0 , SEEK_END);
                    marshal_length = ftell(fp);
                    rewind(fp);
                    
                    marshal_buffer = (char*) malloc (sizeof(char)*marshal_length);
                    
                    result = fread (marshal_buffer, 1, marshal_length, fp);
                    
                    if (result == marshal_length) {
                        loadGamePythonConfig(marshal_buffer, marshal_length);
                    } else {
                        printf("warning: could not read all of '%s'\n", mashal_path);
                    }
                    
                    free(marshal_buffer);
                    fclose(fp);
                } else {
                    printf("warning: could not open '%s'\n", mashal_path);
                }
            }
            break;
#endif // WITH_PYTHON
        }
    default:
        ; /* do nothing? this is an internal error !!! */
    }
    
    return false;
}


#ifdef WITH_PYTHON

/* ------------------------------------------------------------------------- */
/* Python functions                                                          */
/* ------------------------------------------------------------------------- */

/* Integration hooks ------------------------------------------------------- */
PyTypeObject KX_GameActuator::Type = {
    PyVarObject_HEAD_INIT(NULL, 0)
    "KX_GameActuator",
    sizeof(PyObjectPlus_Proxy),
    0,
    py_base_dealloc,
    0,
    0,
    0,
    0,
    py_base_repr,
    0,0,0,0,0,0,0,0,0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
    0,0,0,0,0,0,0,
    Methods,
    0,
    0,
    &SCA_IActuator::Type,
    0,0,0,0,0,0,
    py_base_new
};

PyMethodDef KX_GameActuator::Methods[] =
{
    {NULL,NULL} //Sentinel
};

PyAttributeDef KX_GameActuator::Attributes[] = {
    KX_PYATTRIBUTE_STRING_RW("fileName",0,100,false,KX_GameActuator,m_filename),
    KX_PYATTRIBUTE_INT_RW("mode", KX_GAME_NODEF+1, KX_GAME_MAX-1, true, KX_GameActuator, m_mode),
    { NULL }    //Sentinel
};

#endif // WITH_PYTHON