KX_ConvertControllers.cpp

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/*
 * $Id: KX_ConvertControllers.cpp 35167 2011-02-25 13:30:41Z jesterking $
 * ***** 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 "MEM_guardedalloc.h"

#include "KX_BlenderSceneConverter.h"
#include "KX_ConvertControllers.h"
#include "KX_Python.h"

// Controller
#include "SCA_ANDController.h"
#include "SCA_ORController.h"
#include "SCA_NANDController.h"
#include "SCA_NORController.h"
#include "SCA_XORController.h"
#include "SCA_XNORController.h"
#include "SCA_PythonController.h"
#include "SCA_ExpressionController.h"

#include "SCA_LogicManager.h"
#include "KX_GameObject.h"
#include "IntValue.h"

/* This little block needed for linking to Blender... */
#ifdef WIN32
#include "BLI_winstuff.h"
#endif

#include "DNA_object_types.h"
#include "DNA_controller_types.h"
#include "DNA_text_types.h"

#include "BKE_text.h"

#include "BLI_blenlib.h"

/* end of blender include block */


        static void
LinkControllerToActuators(
        SCA_IController *game_controller,
        bController* bcontr,    
        SCA_LogicManager* logicmgr,
        KX_BlenderSceneConverter* converter
) {
        // Iterate through the actuators of the game blender
        // controller and find the corresponding ketsji actuator.

        game_controller->ReserveActuator(bcontr->totlinks);
        for (int i=0;i<bcontr->totlinks;i++)
        {
                bActuator* bact = (bActuator*) bcontr->links[i];
                SCA_IActuator *game_actuator = converter->FindGameActuator(bact);
                if (game_actuator) {
                        logicmgr->RegisterToActuator(game_controller, game_actuator);
                }
        }
}


void BL_ConvertControllers(
        struct Object* blenderobject,
        class KX_GameObject* gameobj,
        SCA_LogicManager* logicmgr,
        int activeLayerBitInfo,
        bool isInActiveLayer,
        KX_BlenderSceneConverter* converter
) {
        int uniqueint=0;
        int count = 0;
        int executePriority=0;
        bController* bcontr = (bController*)blenderobject->controllers.first;
        while (bcontr)
        {
                bcontr = bcontr->next;
                count++;
        }
        gameobj->ReserveController(count);
        bcontr = (bController*)blenderobject->controllers.first;
        while (bcontr)
        {
                SCA_IController* gamecontroller = NULL;
                switch(bcontr->type)
                {
                        case CONT_LOGIC_AND:
                        {
                                gamecontroller = new SCA_ANDController(gameobj);
                                break;
                        }
                        case CONT_LOGIC_OR:
                        {
                                gamecontroller = new SCA_ORController(gameobj);
                                break;
                        }
                        case CONT_LOGIC_NAND:
                        {
                                gamecontroller = new SCA_NANDController(gameobj);
                                break;
                        }
                        case CONT_LOGIC_NOR:
                        {
                                gamecontroller = new SCA_NORController(gameobj);
                                break;
                        }
                        case CONT_LOGIC_XOR:
                        {
                                gamecontroller = new SCA_XORController(gameobj);
                                break;
                        }
                        case CONT_LOGIC_XNOR:
                        {
                                gamecontroller = new SCA_XNORController(gameobj);
                                break;
                        }
                        case CONT_EXPRESSION:
                        {
                                bExpressionCont* bexpcont = (bExpressionCont*) bcontr->data;
                                STR_String expressiontext = STR_String(bexpcont->str);
                                if (expressiontext.Length() > 0)
                                {
                                        gamecontroller = new SCA_ExpressionController(gameobj,expressiontext);
                                }
                                break;
                        }
                        case CONT_PYTHON:
                        {
                                bPythonCont* pycont = (bPythonCont*) bcontr->data;
                                SCA_PythonController* pyctrl = new SCA_PythonController(gameobj, pycont->mode);
                                gamecontroller = pyctrl;
#ifdef WITH_PYTHON

                                pyctrl->SetNamespace(converter->GetPyNamespace());
                                
                                if(pycont->mode==SCA_PythonController::SCA_PYEXEC_SCRIPT) {
                                        if (pycont->text)
                                        {
                                                char *buf;
                                                // this is some blender specific code
                                                buf= txt_to_buf(pycont->text);
                                                if (buf)
                                                {
                                                        pyctrl->SetScriptText(STR_String(buf));
                                                        pyctrl->SetScriptName(pycont->text->id.name+2);
                                                        MEM_freeN(buf);
                                                }
                                                
                                        }
                                }
                                else {
                                        /* let the controller print any warnings here when importing */
                                        pyctrl->SetScriptText(STR_String(pycont->module)); 
                                        pyctrl->SetScriptName(pycont->module); /* will be something like module.func so using it as the name is OK */

                                        if(pycont->flag & CONT_PY_DEBUG) {
                                                printf("\nDebuging \"%s\", module for object %s\n\texpect worse performance.\n", pycont->module, blenderobject->id.name+2);
                                                pyctrl->SetDebug(true);
                                        }
                                }
                                
#endif // WITH_PYTHON

                                break;
                        }
                        default:
                        {
                                
                        }
                }

                if (gamecontroller)
                {
                        LinkControllerToActuators(gamecontroller,bcontr,logicmgr,converter);
                        gamecontroller->SetExecutePriority(executePriority++);
                        gamecontroller->SetBookmark((bcontr->flag & CONT_PRIO) != 0);
                        gamecontroller->SetState(bcontr->state_mask);
                        STR_String uniquename = bcontr->name;
                        uniquename += "#CONTR#";
                        uniqueint++;
                        CIntValue* uniqueval = new CIntValue(uniqueint);
                        uniquename += uniqueval->GetText();
                        uniqueval->Release();
                        gamecontroller->SetName(uniquename);
                        gameobj->AddController(gamecontroller);
                        
                        converter->RegisterGameController(gamecontroller, bcontr);

#ifdef WITH_PYTHON
                        if (bcontr->type==CONT_PYTHON) {
                                SCA_PythonController *pyctrl= static_cast<SCA_PythonController*>(gamecontroller);
                                /* not strictly needed but gives syntax errors early on and
                                 * gives more predictable performance for larger scripts */
                                if(pyctrl->m_mode==SCA_PythonController::SCA_PYEXEC_SCRIPT)
                                        pyctrl->Compile();
                                else {
                                        /* We cant do this because importing runs the script which could end up accessing
                                         * internal BGE functions, this is unstable while we're converting the scene.
                                         * This is a pitty because its useful to see errors at startup but cant help it */
                                        
                                        // pyctrl->Import();
                                }
                        }
#endif // WITH_PYTHON

                        //done with gamecontroller
                        gamecontroller->Release();
                }
                
                bcontr = bcontr->next;
        }

}