source/gameengine/BlenderRoutines/BL_KetsjiEmbedStart.cpp

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  19  * All rights reserved.
  20  *
  21  * The Original Code is: all of this file.
  22  *
  23  * Contributor(s): none yet.
  24  *
  25  * ***** END GPL LICENSE BLOCK *****
  26  * Blender's Ketsji startpoint
  27  */
  28
  29 /** \file gameengine/BlenderRoutines/BL_KetsjiEmbedStart.cpp
  30  *  \ingroup blroutines
  31  */
  32
  33
  34 #include <signal.h>
  35 #include <stdlib.h>
  36 #include <stdio.h>
  37
  38 #if defined(WIN32) && !defined(FREE_WINDOWS)
  39 // don't show stl-warnings
  40 #pragma warning (disable:4786)
  41 #endif
  42
  43 #include "GL/glew.h"
  44
  45 #include "KX_BlenderGL.h"
  46 #include "KX_BlenderCanvas.h"
  47 #include "KX_BlenderKeyboardDevice.h"
  48 #include "KX_BlenderMouseDevice.h"
  49 #include "KX_BlenderRenderTools.h"
  50 #include "KX_BlenderSystem.h"
  51 #include "BL_Material.h"
  52
  53 #include "KX_KetsjiEngine.h"
  54 #include "KX_BlenderSceneConverter.h"
  55 #include "KX_PythonInit.h"
  56 #include "KX_PyConstraintBinding.h"
  57 #include "KX_PythonMain.h"
  58
  59 #include "RAS_GLExtensionManager.h"
  60 #include "RAS_OpenGLRasterizer.h"
  61 #include "RAS_VAOpenGLRasterizer.h"
  62 #include "RAS_ListRasterizer.h"
  63
  64 #include "NG_LoopBackNetworkDeviceInterface.h"
  65
  66 #include "BL_System.h"
  67
  68 #include "GPU_extensions.h"
  69 #include "Value.h"
  70
  71
  72
  73 #ifdef __cplusplus
  74 extern "C" {
  75 #endif
  76         /***/
  77 #include "DNA_view3d_types.h"
  78 #include "DNA_screen_types.h"
  79 #include "DNA_userdef_types.h"
  80 #include "DNA_windowmanager_types.h"
  81 #include "BKE_global.h"
  82 #include "BKE_report.h"
  83
  84 #include "MEM_guardedalloc.h"
  85
  86 /* #include "BKE_screen.h" */ /* cant include this because of 'new' function name */
  87 extern float BKE_screen_view3d_zoom_to_fac(float camzoom);
  88
  89 #include "BKE_main.h"
  90 #include "BLI_blenlib.h"
  91 #include "BLO_readfile.h"
  92 #include "DNA_scene_types.h"
  93 #include "BKE_ipo.h"
  94         /***/
  95
  96 #include "BKE_context.h"
  97 #include "../../blender/windowmanager/WM_types.h"
  98 #include "../../blender/windowmanager/wm_window.h"
  99 #include "../../blender/windowmanager/wm_event_system.h"
 100 #ifdef __cplusplus
 101 }
 102 #endif
 103
 104 #ifdef WITH_AUDASPACE
 105 #  include "AUD_C-API.h"
 106 #  include "AUD_I3DDevice.h"
 107 #  include "AUD_IDevice.h"
 108 #endif
 109
 110 static BlendFileData *load_game_data(char *filename)
 111 {
 112         ReportList reports;
 113         BlendFileData *bfd;
 114
 115         BKE_reports_init(&reports, RPT_STORE);
 116         bfd= BLO_read_from_file(filename, &reports);
 117
 118         if (!bfd) {
 119                 printf("Loading %s failed: ", filename);
 120                 BKE_reports_print(&reports, RPT_ERROR);
 121         }
 122
 123         BKE_reports_clear(&reports);
 124
 125         return bfd;
 126 }
 127
 128 int BL_KetsjiNextFrame(struct KX_KetsjiEngine* ketsjiengine, struct bContext *C, struct wmWindow* win, struct Scene* scene, struct ARegion *ar,
 129                     KX_BlenderKeyboardDevice* keyboarddevice, KX_BlenderMouseDevice* mousedevice, int draw_letterbox)
 130 {
 131     int exitrequested;
 132
 133     // first check if we want to exit
 134     exitrequested = ketsjiengine->GetExitCode();
 135
 136     // kick the engine
 137     bool render = ketsjiengine->NextFrame();
 138
 139     if (render)
 140     {
 141         if(draw_letterbox) {
 142             // Clear screen to border color
 143             // We do this here since we set the canvas to be within the frames. This means the engine
 144             // itself is unaware of the extra space, so we clear the whole region for it.
 145             glClearColor(scene->gm.framing.col[0], scene->gm.framing.col[1], scene->gm.framing.col[2], 1.0f);
 146             glViewport(ar->winrct.xmin, ar->winrct.ymin,
 147                                    BLI_RCT_SIZE_X(&ar->winrct), BLI_RCT_SIZE_Y(&ar->winrct));
 148             glClear(GL_COLOR_BUFFER_BIT);
 149         }
 150
 151         // render the frame
 152         ketsjiengine->Render();
 153     }
 154
 155     wm_window_process_events_nosleep();
 156
 157     // test for the ESC key
 158     //XXX while (qtest())
 159     while(wmEvent *event= (wmEvent *)win->queue.first)
 160     {
 161         short val = 0;
 162         //unsigned short event = 0; //XXX extern_qread(&val);
 163
 164         if (keyboarddevice->ConvertBlenderEvent(event->type,event->val))
 165             exitrequested = KX_EXIT_REQUEST_BLENDER_ESC;
 166
 167             /* Coordinate conversion... where
 168             * should this really be?
 169         */
 170         if (event->type==MOUSEMOVE) {
 171             /* Note, not nice! XXX 2.5 event hack */
 172             val = event->x - ar->winrct.xmin;
 173             mousedevice->ConvertBlenderEvent(MOUSEX, val);
 174
 175             val = ar->winy - (event->y - ar->winrct.ymin) - 1;
 176             mousedevice->ConvertBlenderEvent(MOUSEY, val);
 177         }
 178         else {
 179             mousedevice->ConvertBlenderEvent(event->type,event->val);
 180         }
 181
 182         BLI_remlink(&win->queue, event);
 183         wm_event_free(event);
 184     }
 185
 186     if(win != CTX_wm_window(C)) {
 187         exitrequested= KX_EXIT_REQUEST_OUTSIDE; /* window closed while bge runs */
 188     }
 189     return exitrequested;
 190 }
 191
 192 struct BL_KetsjiNextFrameState {
 193         struct KX_KetsjiEngine* ketsjiengine;
 194         struct bContext *C;
 195         struct wmWindow* win;
 196         struct Scene* scene;
 197         struct ARegion *ar;
 198         KX_BlenderKeyboardDevice* keyboarddevice;
 199         KX_BlenderMouseDevice* mousedevice;
 200         int draw_letterbox;
 201 } ketsjinextframestate;
 202
 203 int BL_KetsjiPyNextFrame(void *state0)
 204 {
 205         BL_KetsjiNextFrameState *state = (BL_KetsjiNextFrameState *) state0;
 206         return BL_KetsjiNextFrame(
 207                 state->ketsjiengine,
 208                 state->C,
 209                 state->win,
 210                 state->scene,
 211                 state->ar,
 212                 state->keyboarddevice,
 213                 state->mousedevice,
 214                 state->draw_letterbox);
 215 }
 216
 217 extern "C" void StartKetsjiShell(struct bContext *C, struct ARegion *ar, rcti *cam_frame, int always_use_expand_framing)
 218 {
 219         /* context values */
 220         struct wmWindow *win= CTX_wm_window(C);
 221         struct Scene *startscene= CTX_data_scene(C);
 222         struct Main* maggie1= CTX_data_main(C);
 223
 224
 225         RAS_Rect area_rect;
 226         area_rect.SetLeft(cam_frame->xmin);
 227         area_rect.SetBottom(cam_frame->ymin);
 228         area_rect.SetRight(cam_frame->xmax);
 229         area_rect.SetTop(cam_frame->ymax);
 230
 231         int exitrequested = KX_EXIT_REQUEST_NO_REQUEST;
 232         Main* blenderdata = maggie1;
 233
 234         char* startscenename = startscene->id.name+2;
 235         char pathname[FILE_MAXDIR+FILE_MAXFILE], oldsce[FILE_MAXDIR+FILE_MAXFILE];
 236         STR_String exitstring = "";
 237         BlendFileData *bfd= NULL;
 238
 239         BLI_strncpy(pathname, blenderdata->name, sizeof(pathname));
 240         BLI_strncpy(oldsce, G.main->name, sizeof(oldsce));
 241 #ifdef WITH_PYTHON
 242         resetGamePythonPath(); // need this so running a second time wont use an old blendfiles path
 243         setGamePythonPath(G.main->name);
 244
 245         // Acquire Python's GIL (global interpreter lock)
 246         // so we can safely run Python code and API calls
 247         PyGILState_STATE gilstate = PyGILState_Ensure();
 248
 249         PyObject *pyGlobalDict = PyDict_New(); /* python utility storage, spans blend file loading */
 250 #endif
 251
 252         bgl::InitExtensions(true);
 253
 254         // VBO code for derived mesh is not compatible with BGE (couldn't find why), so disable
 255         int disableVBO = (U.gameflags & USER_DISABLE_VBO);
 256         U.gameflags |= USER_DISABLE_VBO;
 257
 258         // Globals to be carried on over blender files
 259         GlobalSettings gs;
 260         gs.matmode= startscene->gm.matmode;
 261         gs.glslflag= startscene->gm.flag;
 262
 263         do
 264         {
 265                 View3D *v3d= CTX_wm_view3d(C);
 266                 RegionView3D *rv3d= CTX_wm_region_view3d(C);
 267
 268                 // get some preferences
 269                 SYS_SystemHandle syshandle = SYS_GetSystem();
 270                 bool properties = (SYS_GetCommandLineInt(syshandle, "show_properties", 0) != 0);
 271                 bool usefixed = (SYS_GetCommandLineInt(syshandle, "fixedtime", 0) != 0);
 272                 bool profile = (SYS_GetCommandLineInt(syshandle, "show_profile", 0) != 0);
 273                 bool frameRate = (SYS_GetCommandLineInt(syshandle, "show_framerate", 0) != 0);
 274                 bool animation_record = (SYS_GetCommandLineInt(syshandle, "animation_record", 0) != 0);
 275                 bool displaylists = (SYS_GetCommandLineInt(syshandle, "displaylists", 0) != 0);
 276 #ifdef WITH_PYTHON
 277                 bool nodepwarnings = (SYS_GetCommandLineInt(syshandle, "ignore_deprecation_warnings", 0) != 0);
 278 #endif
 279                 bool novertexarrays = (SYS_GetCommandLineInt(syshandle, "novertexarrays", 0) != 0);
 280                 bool mouse_state = startscene->gm.flag & GAME_SHOW_MOUSE;
 281                 bool restrictAnimFPS = startscene->gm.flag & GAME_RESTRICT_ANIM_UPDATES;
 282
 283                 if (animation_record) usefixed= false; /* override since you don't want to run full-speed for sim recording */
 284
 285                 // create the canvas, rasterizer and rendertools
 286                 RAS_ICanvas* canvas = new KX_BlenderCanvas(win, area_rect, ar);
 287
 288                 // default mouse state set on render panel
 289                 if (mouse_state)
 290                         canvas->SetMouseState(RAS_ICanvas::MOUSE_NORMAL);
 291                 else
 292                         canvas->SetMouseState(RAS_ICanvas::MOUSE_INVISIBLE);
 293                 RAS_IRenderTools* rendertools = new KX_BlenderRenderTools();
 294                 RAS_IRasterizer* rasterizer = NULL;
 295
 296                 if (displaylists) {
 297                         if (GLEW_VERSION_1_1 && !novertexarrays)
 298                                 rasterizer = new RAS_ListRasterizer(canvas, true, true);
 299                         else
 300                                 rasterizer = new RAS_ListRasterizer(canvas);
 301                 }
 302                 else if (GLEW_VERSION_1_1 && !novertexarrays)
 303                         rasterizer = new RAS_VAOpenGLRasterizer(canvas, false);
 304                 else
 305                         rasterizer = new RAS_OpenGLRasterizer(canvas);
 306
 307                 // create the inputdevices
 308                 KX_BlenderKeyboardDevice* keyboarddevice = new KX_BlenderKeyboardDevice();
 309                 KX_BlenderMouseDevice* mousedevice = new KX_BlenderMouseDevice();
 310
 311                 // create a networkdevice
 312                 NG_NetworkDeviceInterface* networkdevice = new
 313                         NG_LoopBackNetworkDeviceInterface();
 314
 315                 //
 316                 // create a ketsji/blendersystem (only needed for timing and stuff)
 317                 KX_BlenderSystem* kxsystem = new KX_BlenderSystem();
 318
 319                 // create the ketsjiengine
 320                 KX_KetsjiEngine* ketsjiengine = new KX_KetsjiEngine(kxsystem);
 321
 322                 // set the devices
 323                 ketsjiengine->SetKeyboardDevice(keyboarddevice);
 324                 ketsjiengine->SetMouseDevice(mousedevice);
 325                 ketsjiengine->SetNetworkDevice(networkdevice);
 326                 ketsjiengine->SetCanvas(canvas);
 327                 ketsjiengine->SetRenderTools(rendertools);
 328                 ketsjiengine->SetRasterizer(rasterizer);
 329                 ketsjiengine->SetUseFixedTime(usefixed);
 330                 ketsjiengine->SetTimingDisplay(frameRate, profile, properties);
 331                 ketsjiengine->SetRestrictAnimationFPS(restrictAnimFPS);
 332                 KX_KetsjiEngine::SetExitKey(ConvertKeyCode(startscene->gm.exitkey));
 333
 334                 //set the global settings (carried over if restart/load new files)
 335                 ketsjiengine->SetGlobalSettings(&gs);
 336
 337 #ifdef WITH_PYTHON
 338                 CValue::SetDeprecationWarnings(nodepwarnings);
 339 #endif
 340
 341                 //lock frame and camera enabled - storing global values
 342                 int tmp_lay= startscene->lay;
 343                 Object *tmp_camera = startscene->camera;
 344
 345                 if (v3d->scenelock==0) {
 346                         startscene->lay= v3d->lay;
 347                         startscene->camera= v3d->camera;
 348                 }
 349
 350                 // some blender stuff
 351                 float camzoom;
 352                 int draw_letterbox = 0;
 353
 354                 if (rv3d->persp==RV3D_CAMOB) {
 355                         if (startscene->gm.framing.type == SCE_GAMEFRAMING_BARS) { /* Letterbox */
 356                                 camzoom = 1.0f;
 357                                 draw_letterbox = 1;
 358                         }
 359                         else {
 360                                 camzoom = 1.0f / BKE_screen_view3d_zoom_to_fac(rv3d->camzoom);
 361                         }
 362                 }
 363                 else {
 364                         camzoom = 2.0;
 365                 }
 366
 367
 368                 ketsjiengine->SetDrawType(v3d->drawtype);
 369                 ketsjiengine->SetCameraZoom(camzoom);
 370
 371                 // if we got an exitcode 3 (KX_EXIT_REQUEST_START_OTHER_GAME) load a different file
 372                 if (exitrequested == KX_EXIT_REQUEST_START_OTHER_GAME || exitrequested == KX_EXIT_REQUEST_RESTART_GAME)
 373                 {
 374                         exitrequested = KX_EXIT_REQUEST_NO_REQUEST;
 375                         if (bfd) BLO_blendfiledata_free(bfd);
 376
 377                         char basedpath[FILE_MAX];
 378                         // base the actuator filename with respect
 379                         // to the original file working directory
 380
 381                         if (exitstring != "")
 382                                 strcpy(basedpath, exitstring.Ptr());
 383
 384                         // load relative to the last loaded file, this used to be relative
 385                         // to the first file but that makes no sense, relative paths in
 386                         // blend files should be relative to that file, not some other file
 387                         // that happened to be loaded first
 388                         BLI_path_abs(basedpath, pathname);
 389                         bfd = load_game_data(basedpath);
 390
 391                         // if it wasn't loaded, try it forced relative
 392                         if (!bfd)
 393                         {
 394                                 // just add "//" in front of it
 395                                 char temppath[242];
 396                                 strcpy(temppath, "//");
 397                                 strcat(temppath, basedpath);
 398
 399                                 BLI_path_abs(temppath, pathname);
 400                                 bfd = load_game_data(temppath);
 401                         }
 402
 403                         // if we got a loaded blendfile, proceed
 404                         if (bfd)
 405                         {
 406                                 blenderdata = bfd->main;
 407                                 startscenename = bfd->curscene->id.name + 2;
 408
 409                                 if (blenderdata) {
 410                                         BLI_strncpy(G.main->name, blenderdata->name, sizeof(G.main->name));
 411                                         BLI_strncpy(pathname, blenderdata->name, sizeof(pathname));
 412 #ifdef WITH_PYTHON
 413                                         setGamePythonPath(G.main->name);
 414 #endif
 415                                 }
 416                         }
 417                         // else forget it, we can't find it
 418                         else
 419                         {
 420                                 exitrequested = KX_EXIT_REQUEST_QUIT_GAME;
 421                         }
 422                 }
 423
 424                 Scene *scene= bfd ? bfd->curscene : (Scene *)BLI_findstring(&blenderdata->scene, startscenename, offsetof(ID, name) + 2);
 425
 426                 if (scene)
 427                 {
 428                         int startFrame = scene->r.cfra;
 429                         ketsjiengine->SetAnimRecordMode(animation_record, startFrame);
 430
 431                         // Quad buffered needs a special window.
 432                         if (scene->gm.stereoflag == STEREO_ENABLED) {
 433                                 if (scene->gm.stereomode != RAS_IRasterizer::RAS_STEREO_QUADBUFFERED)
 434                                         rasterizer->SetStereoMode((RAS_IRasterizer::StereoMode) scene->gm.stereomode);
 435
 436                                 rasterizer->SetEyeSeparation(scene->gm.eyeseparation);
 437                         }
 438
 439                         rasterizer->SetBackColor(scene->gm.framing.col[0], scene->gm.framing.col[1], scene->gm.framing.col[2], 0.0f);
 440                 }
 441
 442                 if (exitrequested != KX_EXIT_REQUEST_QUIT_GAME)
 443                 {
 444                         if (rv3d->persp != RV3D_CAMOB)
 445                         {
 446                                 ketsjiengine->EnableCameraOverride(startscenename);
 447                                 ketsjiengine->SetCameraOverrideUseOrtho((rv3d->persp == RV3D_ORTHO));
 448                                 ketsjiengine->SetCameraOverrideProjectionMatrix(MT_CmMatrix4x4(rv3d->winmat));
 449                                 ketsjiengine->SetCameraOverrideViewMatrix(MT_CmMatrix4x4(rv3d->viewmat));
 450                                 if (rv3d->persp == RV3D_ORTHO)
 451                                 {
 452                                         ketsjiengine->SetCameraOverrideClipping(-v3d->far, v3d->far);
 453                                 }
 454                                 else
 455                                 {
 456                                         ketsjiengine->SetCameraOverrideClipping(v3d->near, v3d->far);
 457                                 }
 458                                 ketsjiengine->SetCameraOverrideLens(v3d->lens);
 459                         }
 460
 461                         // create a scene converter, create and convert the startingscene
 462                         KX_ISceneConverter* sceneconverter = new KX_BlenderSceneConverter(blenderdata, ketsjiengine);
 463                         ketsjiengine->SetSceneConverter(sceneconverter);
 464                         sceneconverter->addInitFromFrame=false;
 465                         if (always_use_expand_framing)
 466                                 sceneconverter->SetAlwaysUseExpandFraming(true);
 467
 468                         bool usemat = false, useglslmat = false;
 469
 470                         if (GLEW_ARB_multitexture && GLEW_VERSION_1_1)
 471                                 usemat = true;
 472
 473                         if (GPU_glsl_support())
 474                                 useglslmat = true;
 475                         else if (gs.matmode == GAME_MAT_GLSL)
 476                                 usemat = false;
 477
 478                         if (usemat && (gs.matmode != GAME_MAT_TEXFACE))
 479                                 sceneconverter->SetMaterials(true);
 480                         if (useglslmat && (gs.matmode == GAME_MAT_GLSL))
 481                                 sceneconverter->SetGLSLMaterials(true);
 482
 483                         KX_Scene* startscene = new KX_Scene(keyboarddevice,
 484                                 mousedevice,
 485                                 networkdevice,
 486                                 startscenename,
 487                                 scene,
 488                                 canvas);
 489
 490 #ifdef WITH_PYTHON
 491                         // some python things
 492                         PyObject *gameLogic, *gameLogic_keys;
 493                         setupGamePython(ketsjiengine, startscene, blenderdata, pyGlobalDict, &gameLogic, &gameLogic_keys, 0, NULL);
 494 #endif // WITH_PYTHON
 495
 496                         //initialize Dome Settings
 497                         if (scene->gm.stereoflag == STEREO_DOME)
 498                                 ketsjiengine->InitDome(scene->gm.dome.res, scene->gm.dome.mode, scene->gm.dome.angle, scene->gm.dome.resbuf, scene->gm.dome.tilt, scene->gm.dome.warptext);
 499
 500                         // initialize 3D Audio Settings
 501                         AUD_I3DDevice* dev = AUD_get3DDevice();
 502                         if (dev)
 503                         {
 504                                 dev->setSpeedOfSound(scene->audio.speed_of_sound);
 505                                 dev->setDopplerFactor(scene->audio.doppler_factor);
 506                                 dev->setDistanceModel(AUD_DistanceModel(scene->audio.distance_model));
 507                         }
 508
 509                         // from see blender.c:
 510                         // FIXME: this version patching should really be part of the file-reading code,
 511                         // but we still get too many unrelated data-corruption crashes otherwise...
 512                         if (blenderdata->versionfile < 250)
 513                                 do_versions_ipos_to_animato(blenderdata);
 514
 515                         if (sceneconverter)
 516                         {
 517                                 // convert and add scene
 518                                 sceneconverter->ConvertScene(
 519                                         startscene,
 520                                         rendertools,
 521                                         canvas);
 522                                 ketsjiengine->AddScene(startscene);
 523
 524                                 // init the rasterizer
 525                                 rasterizer->Init();
 526
 527                                 // start the engine
 528                                 ketsjiengine->StartEngine(true);
 529
 530
 531                                 // Set the animation playback rate for ipo's and actions
 532                                 // the framerate below should patch with FPS macro defined in blendef.h
 533                                 // Could be in StartEngine set the framerate, we need the scene to do this
 534                                 ketsjiengine->SetAnimFrameRate(FPS);
 535
 536 #ifdef WITH_PYTHON
 537                                 char *python_main = NULL;
 538                                 pynextframestate.state = NULL;
 539                                 pynextframestate.func = NULL;
 540                                 python_main = KX_GetPythonMain(scene);
 541
 542                                 // the mainloop
 543                                 printf("\nBlender Game Engine Started\n");
 544                                 if (python_main) {
 545                                         char *python_code = KX_GetPythonCode(blenderdata, python_main);
 546                                         if (python_code) {
 547                                                 ketsjinextframestate.ketsjiengine = ketsjiengine;
 548                                                 ketsjinextframestate.C = C;
 549                                                 ketsjinextframestate.win = win;
 550                                                 ketsjinextframestate.scene = scene;
 551                                                 ketsjinextframestate.ar = ar;
 552                                                 ketsjinextframestate.keyboarddevice = keyboarddevice;
 553                                                 ketsjinextframestate.mousedevice = mousedevice;
 554                                                 ketsjinextframestate.draw_letterbox = draw_letterbox;
 555
 556                                                 pynextframestate.state = &ketsjinextframestate;
 557                                                 pynextframestate.func = &BL_KetsjiPyNextFrame;
 558                                                 printf("Yielding control to Python script '%s'...\n", python_main);
 559                                                 PyRun_SimpleString(python_code);
 560                                                 printf("Exit Python script '%s'\n", python_main);
 561                                                 MEM_freeN(python_code);
 562                                         }
 563                                 }
 564                                 else
 565 #endif  /* WITH_PYTHON */
 566                                 {
 567                                         while (!exitrequested)
 568                                         {
 569                                                 exitrequested = BL_KetsjiNextFrame(ketsjiengine, C, win, scene, ar, keyboarddevice, mousedevice, draw_letterbox);
 570                                         }
 571                                 }
 572                                 printf("Blender Game Engine Finished\n");
 573                                 exitstring = ketsjiengine->GetExitString();
 574 #ifdef WITH_PYTHON
 575                                 if (python_main) MEM_freeN(python_main);
 576 #endif  /* WITH_PYTHON */
 577
 578                                 gs = *(ketsjiengine->GetGlobalSettings());
 579
 580                                 // when exiting the mainloop
 581 #ifdef WITH_PYTHON
 582                                 // Clears the dictionary by hand:
 583                                 // This prevents, extra references to global variables
 584                                 // inside the GameLogic dictionary when the python interpreter is finalized.
 585                                 // which allows the scene to safely delete them :)
 586                                 // see: (space.c)->start_game
 587
 588                                 //PyDict_Clear(PyModule_GetDict(gameLogic));
 589
 590                                 // Keep original items, means python plugins will autocomplete members
 591                                 PyObject *gameLogic_keys_new = PyDict_Keys(PyModule_GetDict(gameLogic));
 592                                 const Py_ssize_t numitems= PyList_GET_SIZE(gameLogic_keys_new);
 593                                 Py_ssize_t listIndex;
 594                                 for (listIndex=0; listIndex < numitems; listIndex++) {
 595                                         PyObject* item = PyList_GET_ITEM(gameLogic_keys_new, listIndex);
 596                                         if (!PySequence_Contains(gameLogic_keys, item)) {
 597                                                 PyDict_DelItem( PyModule_GetDict(gameLogic), item);
 598                                         }
 599                                 }
 600                                 Py_DECREF(gameLogic_keys_new);
 601                                 gameLogic_keys_new = NULL;
 602 #endif
 603                                 ketsjiengine->StopEngine();
 604 #ifdef WITH_PYTHON
 605                                 exitGamePythonScripting();
 606 #endif
 607                                 networkdevice->Disconnect();
 608                         }
 609                         if (sceneconverter)
 610                         {
 611                                 delete sceneconverter;
 612                                 sceneconverter = NULL;
 613                         }
 614
 615 #ifdef WITH_PYTHON
 616                         Py_DECREF(gameLogic_keys);
 617                         gameLogic_keys = NULL;
 618 #endif
 619                 }
 620                 //lock frame and camera enabled - restoring global values
 621                 if (v3d->scenelock==0) {
 622                         startscene->lay= tmp_lay;
 623                         startscene->camera= tmp_camera;
 624                 }
 625
 626                 if (exitrequested != KX_EXIT_REQUEST_OUTSIDE)
 627                 {
 628                         // set the cursor back to normal
 629                         canvas->SetMouseState(RAS_ICanvas::MOUSE_NORMAL);
 630                 }
 631
 632                 // clean up some stuff
 633                 if (ketsjiengine)
 634                 {
 635                         delete ketsjiengine;
 636                         ketsjiengine = NULL;
 637                 }
 638                 if (kxsystem)
 639                 {
 640                         delete kxsystem;
 641                         kxsystem = NULL;
 642                 }
 643                 if (networkdevice)
 644                 {
 645                         delete networkdevice;
 646                         networkdevice = NULL;
 647                 }
 648                 if (keyboarddevice)
 649                 {
 650                         delete keyboarddevice;
 651                         keyboarddevice = NULL;
 652                 }
 653                 if (mousedevice)
 654                 {
 655                         delete mousedevice;
 656                         mousedevice = NULL;
 657                 }
 658                 if (rasterizer)
 659                 {
 660                         delete rasterizer;
 661                         rasterizer = NULL;
 662                 }
 663                 if (rendertools)
 664                 {
 665                         delete rendertools;
 666                         rendertools = NULL;
 667                 }
 668                 if (canvas)
 669                 {
 670                         delete canvas;
 671                         canvas = NULL;
 672                 }
 673
 674                 // stop all remaining playing sounds
 675                 AUD_getDevice()->stopAll();
 676
 677         } while (exitrequested == KX_EXIT_REQUEST_RESTART_GAME || exitrequested == KX_EXIT_REQUEST_START_OTHER_GAME);
 678
 679         if (!disableVBO)
 680                 U.gameflags &= ~USER_DISABLE_VBO;
 681
 682         if (bfd) BLO_blendfiledata_free(bfd);
 683
 684         BLI_strncpy(G.main->name, oldsce, sizeof(G.main->name));
 685
 686 #ifdef WITH_PYTHON
 687         Py_DECREF(pyGlobalDict);
 688
 689         // Release Python's GIL
 690         PyGILState_Release(gilstate);
 691 #endif
 692
 693 }