radiant/camwindow.cpp

   1 /*
   2    Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   3    For a list of contributors, see the accompanying CONTRIBUTORS file.
   4
   5    This file is part of GtkRadiant.
   6
   7    GtkRadiant is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    GtkRadiant is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GtkRadiant; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 //
  23 // Camera Window
  24 //
  25 // Leonardo Zide (leo@lokigames.com)
  26 //
  27
  28 #include "camwindow.h"
  29
  30 #include <gtk/gtk.h>
  31 #include <gdk/gdkkeysyms.h>
  32
  33 #include "debugging/debugging.h"
  34
  35 #include "iscenegraph.h"
  36 #include "irender.h"
  37 #include "igl.h"
  38 #include "icamera.h"
  39 #include "cullable.h"
  40 #include "renderable.h"
  41 #include "preferencesystem.h"
  42
  43 #include "signal/signal.h"
  44 #include "container/array.h"
  45 #include "scenelib.h"
  46 #include "render.h"
  47 #include "cmdlib.h"
  48 #include "math/frustum.h"
  49
  50 #include "gtkutil/widget.h"
  51 #include "gtkutil/button.h"
  52 #include "gtkutil/toolbar.h"
  53 #include "gtkutil/glwidget.h"
  54 #include "gtkutil/xorrectangle.h"
  55 #include "gtkmisc.h"
  56 #include "selection.h"
  57 #include "mainframe.h"
  58 #include "preferences.h"
  59 #include "commands.h"
  60 #include "xywindow.h"
  61 #include "windowobservers.h"
  62 #include "renderstate.h"
  63
  64 #include "timer.h"
  65
  66 Signal0 g_cameraMoved_callbacks;
  67
  68 void AddCameraMovedCallback( const SignalHandler& handler ){
  69         g_cameraMoved_callbacks.connectLast( handler );
  70 }
  71
  72 void CameraMovedNotify(){
  73         g_cameraMoved_callbacks();
  74 }
  75
  76
  77 struct camwindow_globals_private_t
  78 {
  79         int m_nFOV;
  80         int m_nMoveSpeed;
  81         bool m_bCamLinkSpeed;
  82         int m_nAngleSpeed;
  83         bool m_bCamInverseMouse;
  84         bool m_bCamDiscrete;
  85         bool m_bCubicClipping;
  86         bool m_showStats;
  87         int m_nStrafeMode;
  88
  89         camwindow_globals_private_t() :
  90                 m_nFOV( 110 ),
  91                 m_nMoveSpeed( 100 ),
  92                 m_bCamLinkSpeed( true ),
  93                 m_nAngleSpeed( 3 ),
  94                 m_bCamInverseMouse( false ),
  95                 m_bCamDiscrete( true ),
  96                 m_bCubicClipping( false ),
  97                 m_showStats( true ),
  98                 m_nStrafeMode( 0 ){
  99         }
 100
 101 };
 102
 103 camwindow_globals_private_t g_camwindow_globals_private;
 104
 105
 106 const Matrix4 g_opengl2radiant(
 107         0, 0,-1, 0,
 108         -1, 0, 0, 0,
 109         0, 1, 0, 0,
 110         0, 0, 0, 1
 111         );
 112
 113 const Matrix4 g_radiant2opengl(
 114         0,-1, 0, 0,
 115         0, 0, 1, 0,
 116         -1, 0, 0, 0,
 117         0, 0, 0, 1
 118         );
 119
 120 struct camera_t;
 121 void Camera_mouseMove( camera_t& camera, int x, int y );
 122
 123 enum camera_draw_mode
 124 {
 125         cd_wire,
 126         cd_solid,
 127         cd_texture,
 128         cd_lighting
 129 };
 130
 131 struct camera_t
 132 {
 133         int width, height;
 134
 135         bool timing;
 136
 137         Vector3 origin;
 138         Vector3 angles;
 139
 140         Vector3 color; // background
 141
 142         Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
 143         Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
 144
 145         Matrix4 projection;
 146         Matrix4 modelview;
 147
 148         bool m_strafe; // true when in strafemode toggled by the ctrl-key
 149         bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
 150
 151         unsigned int movementflags; // movement flags
 152         Timer m_keycontrol_timer;
 153         guint m_keymove_handler;
 154
 155
 156         DeferredMotionDelta m_mouseMove;
 157
 158         static void motionDelta( int x, int y, void* data ){
 159                 Camera_mouseMove( *reinterpret_cast<camera_t*>( data ), x, y );
 160         }
 161
 162         View* m_view;
 163         Callback<void()> m_update;
 164
 165         static camera_draw_mode draw_mode;
 166
 167         camera_t( View* view, const Callback<void()>& update )
 168                 : width( 0 ),
 169                 height( 0 ),
 170                 timing( false ),
 171                 origin( 0, 0, 0 ),
 172                 angles( 0, 0, 0 ),
 173                 color( 0, 0, 0 ),
 174                 projection( g_matrix4_identity ),
 175                 modelview( g_matrix4_identity ),
 176                 movementflags( 0 ),
 177                 m_keycontrol_timer(),
 178                 m_keymove_handler( 0 ),
 179                 m_mouseMove( motionDelta, this ),
 180                 m_view( view ),
 181                 m_update( update ){
 182         }
 183 };
 184
 185 camera_draw_mode camera_t::draw_mode = cd_texture;
 186
 187 inline Matrix4 projection_for_camera( float near_z, float far_z, float fieldOfView, int width, int height ){
 188         const float half_width = static_cast<float>( near_z * tan( degrees_to_radians( fieldOfView * 0.5 ) ) );
 189         const float half_height = half_width * ( static_cast<float>( height ) / static_cast<float>( width ) );
 190
 191         return matrix4_frustum(
 192                            -half_width,
 193                            half_width,
 194                            -half_height,
 195                            half_height,
 196                            near_z,
 197                            far_z
 198                            );
 199 }
 200
 201 float Camera_getFarClipPlane( camera_t& camera ){
 202         return ( g_camwindow_globals_private.m_bCubicClipping ) ? pow( 2.0, ( g_camwindow_globals.m_nCubicScale + 7 ) / 2.0 ) : 32768.0f;
 203 }
 204
 205 void Camera_updateProjection( camera_t& camera ){
 206         float farClip = Camera_getFarClipPlane( camera );
 207         camera.projection = projection_for_camera( farClip / 4096.0f, farClip, (float)g_camwindow_globals_private.m_nFOV, camera.width, camera.height );
 208
 209         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 210 }
 211
 212 void Camera_updateVectors( camera_t& camera ){
 213         for ( int i = 0 ; i < 3 ; i++ )
 214         {
 215                 camera.vright[i] = camera.modelview[( i << 2 ) + 0];
 216                 camera.vup[i] = camera.modelview[( i << 2 ) + 1];
 217                 camera.vpn[i] = camera.modelview[( i << 2 ) + 2];
 218         }
 219 }
 220
 221 void Camera_updateModelview( camera_t& camera ){
 222         camera.modelview = g_matrix4_identity;
 223
 224         // roll, pitch, yaw
 225         Vector3 radiant_eulerXYZ( 0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW] );
 226
 227         matrix4_translate_by_vec3( camera.modelview, camera.origin );
 228         matrix4_rotate_by_euler_xyz_degrees( camera.modelview, radiant_eulerXYZ );
 229         matrix4_multiply_by_matrix4( camera.modelview, g_radiant2opengl );
 230         matrix4_affine_invert( camera.modelview );
 231
 232         Camera_updateVectors( camera );
 233
 234         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 235 }
 236
 237
 238 void Camera_Move_updateAxes( camera_t& camera ){
 239         double ya = degrees_to_radians( camera.angles[CAMERA_YAW] );
 240
 241         // the movement matrix is kept 2d
 242         camera.forward[0] = static_cast<float>( cos( ya ) );
 243         camera.forward[1] = static_cast<float>( sin( ya ) );
 244         camera.forward[2] = 0;
 245         camera.right[0] = camera.forward[1];
 246         camera.right[1] = -camera.forward[0];
 247 }
 248
 249 void Camera_Freemove_updateAxes( camera_t& camera ){
 250         camera.right = camera.vright;
 251         camera.forward = vector3_negated( camera.vpn );
 252 }
 253
 254 const Vector3& Camera_getOrigin( camera_t& camera ){
 255         return camera.origin;
 256 }
 257
 258 void Camera_setOrigin( camera_t& camera, const Vector3& origin ){
 259         camera.origin = origin;
 260         Camera_updateModelview( camera );
 261         camera.m_update();
 262         CameraMovedNotify();
 263 }
 264
 265 const Vector3& Camera_getAngles( camera_t& camera ){
 266         return camera.angles;
 267 }
 268
 269 void Camera_setAngles( camera_t& camera, const Vector3& angles ){
 270         camera.angles = angles;
 271         Camera_updateModelview( camera );
 272         camera.m_update();
 273         CameraMovedNotify();
 274 }
 275
 276
 277 void Camera_FreeMove( camera_t& camera, int dx, int dy ){
 278         // free strafe mode, toggled by the ctrl key with optional shift for forward movement
 279         if ( camera.m_strafe ) {
 280                 float strafespeed = 0.65f;
 281
 282                 if ( g_camwindow_globals_private.m_bCamLinkSpeed ) {
 283                         strafespeed = (float)g_camwindow_globals_private.m_nMoveSpeed / 100;
 284                 }
 285
 286                 camera.origin -= camera.vright * strafespeed * dx;
 287                 if ( camera.m_strafe_forward ) {
 288                         camera.origin -= camera.vpn * strafespeed * dy;
 289                 }
 290                 else{
 291                         camera.origin += camera.vup * strafespeed * dy;
 292                 }
 293         }
 294         else // free rotation
 295         {
 296                 const float dtime = 0.1f;
 297
 298                 if ( g_camwindow_globals_private.m_bCamInverseMouse ) {
 299                         camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 300                 }
 301                 else{
 302                         camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 303                 }
 304
 305                 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 306
 307                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 308                         camera.angles[CAMERA_PITCH] = 90;
 309                 }
 310                 else if ( camera.angles[CAMERA_PITCH] < -90 ) {
 311                         camera.angles[CAMERA_PITCH] = -90;
 312                 }
 313
 314                 if ( camera.angles[CAMERA_YAW] >= 360 ) {
 315                         camera.angles[CAMERA_YAW] -= 360;
 316                 }
 317                 else if ( camera.angles[CAMERA_YAW] <= 0 ) {
 318                         camera.angles[CAMERA_YAW] += 360;
 319                 }
 320         }
 321
 322         Camera_updateModelview( camera );
 323         Camera_Freemove_updateAxes( camera );
 324 }
 325
 326 void Cam_MouseControl( camera_t& camera, int x, int y ){
 327         float xf = (float)( x - camera.width / 2 ) / ( camera.width / 2 );
 328         float yf = (float)( y - camera.height / 2 ) / ( camera.height / 2 );
 329
 330         xf *= 1.0f - fabsf( yf );
 331         if ( xf < 0 ) {
 332                 xf += 0.1f;
 333                 if ( xf > 0 ) {
 334                         xf = 0;
 335                 }
 336         }
 337         else
 338         {
 339                 xf -= 0.1f;
 340                 if ( xf < 0 ) {
 341                         xf = 0;
 342                 }
 343         }
 344
 345         vector3_add( camera.origin, vector3_scaled( camera.forward, yf * 0.1f * g_camwindow_globals_private.m_nMoveSpeed ) );
 346         camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
 347
 348         Camera_updateModelview( camera );
 349 }
 350
 351 void Camera_mouseMove( camera_t& camera, int x, int y ){
 352         //globalOutputStream() << "mousemove... ";
 353         Camera_FreeMove( camera, -x, -y );
 354         camera.m_update();
 355         CameraMovedNotify();
 356 }
 357
 358 const unsigned int MOVE_NONE = 0;
 359 const unsigned int MOVE_FORWARD = 1 << 0;
 360 const unsigned int MOVE_BACK = 1 << 1;
 361 const unsigned int MOVE_ROTRIGHT = 1 << 2;
 362 const unsigned int MOVE_ROTLEFT = 1 << 3;
 363 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
 364 const unsigned int MOVE_STRAFELEFT = 1 << 5;
 365 const unsigned int MOVE_UP = 1 << 6;
 366 const unsigned int MOVE_DOWN = 1 << 7;
 367 const unsigned int MOVE_PITCHUP = 1 << 8;
 368 const unsigned int MOVE_PITCHDOWN = 1 << 9;
 369 const unsigned int MOVE_ALL = MOVE_FORWARD | MOVE_BACK | MOVE_ROTRIGHT | MOVE_ROTLEFT | MOVE_STRAFERIGHT | MOVE_STRAFELEFT | MOVE_UP | MOVE_DOWN | MOVE_PITCHUP | MOVE_PITCHDOWN;
 370
 371 void Cam_KeyControl( camera_t& camera, float dtime ){
 372         // Update angles
 373         if ( camera.movementflags & MOVE_ROTLEFT ) {
 374                 camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 375         }
 376         if ( camera.movementflags & MOVE_ROTRIGHT ) {
 377                 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 378         }
 379         if ( camera.movementflags & MOVE_PITCHUP ) {
 380                 camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 381                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 382                         camera.angles[CAMERA_PITCH] = 90;
 383                 }
 384         }
 385         if ( camera.movementflags & MOVE_PITCHDOWN ) {
 386                 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 387                 if ( camera.angles[CAMERA_PITCH] < -90 ) {
 388                         camera.angles[CAMERA_PITCH] = -90;
 389                 }
 390         }
 391
 392         Camera_updateModelview( camera );
 393         Camera_Freemove_updateAxes( camera );
 394
 395         // Update position
 396         if ( camera.movementflags & MOVE_FORWARD ) {
 397                 vector3_add( camera.origin, vector3_scaled( camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 398         }
 399         if ( camera.movementflags & MOVE_BACK ) {
 400                 vector3_add( camera.origin, vector3_scaled( camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 401         }
 402         if ( camera.movementflags & MOVE_STRAFELEFT ) {
 403                 vector3_add( camera.origin, vector3_scaled( camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 404         }
 405         if ( camera.movementflags & MOVE_STRAFERIGHT ) {
 406                 vector3_add( camera.origin, vector3_scaled( camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 407         }
 408         if ( camera.movementflags & MOVE_UP ) {
 409                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 410         }
 411         if ( camera.movementflags & MOVE_DOWN ) {
 412                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 413         }
 414
 415         Camera_updateModelview( camera );
 416 }
 417
 418 void Camera_keyMove( camera_t& camera ){
 419         camera.m_mouseMove.flush();
 420
 421         //globalOutputStream() << "keymove... ";
 422         float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
 423         camera.m_keycontrol_timer.start();
 424         if ( time_seconds > 0.05f ) {
 425                 time_seconds = 0.05f; // 20fps
 426         }
 427         Cam_KeyControl( camera, time_seconds * 5.0f );
 428
 429         camera.m_update();
 430         CameraMovedNotify();
 431 }
 432
 433 gboolean camera_keymove( gpointer data ){
 434         Camera_keyMove( *reinterpret_cast<camera_t*>( data ) );
 435         return TRUE;
 436 }
 437
 438 void Camera_setMovementFlags( camera_t& camera, unsigned int mask ){
 439         if ( ( ~camera.movementflags & mask ) != 0 && camera.movementflags == 0 ) {
 440                 camera.m_keymove_handler = g_idle_add( camera_keymove, &camera );
 441         }
 442         camera.movementflags |= mask;
 443 }
 444 void Camera_clearMovementFlags( camera_t& camera, unsigned int mask ){
 445         if ( ( camera.movementflags & ~mask ) == 0 && camera.movementflags != 0 ) {
 446                 g_source_remove( camera.m_keymove_handler );
 447                 camera.m_keymove_handler = 0;
 448         }
 449         camera.movementflags &= ~mask;
 450 }
 451
 452 void Camera_MoveForward_KeyDown( camera_t& camera ){
 453         Camera_setMovementFlags( camera, MOVE_FORWARD );
 454 }
 455 void Camera_MoveForward_KeyUp( camera_t& camera ){
 456         Camera_clearMovementFlags( camera, MOVE_FORWARD );
 457 }
 458 void Camera_MoveBack_KeyDown( camera_t& camera ){
 459         Camera_setMovementFlags( camera, MOVE_BACK );
 460 }
 461 void Camera_MoveBack_KeyUp( camera_t& camera ){
 462         Camera_clearMovementFlags( camera, MOVE_BACK );
 463 }
 464
 465 void Camera_MoveLeft_KeyDown( camera_t& camera ){
 466         Camera_setMovementFlags( camera, MOVE_STRAFELEFT );
 467 }
 468 void Camera_MoveLeft_KeyUp( camera_t& camera ){
 469         Camera_clearMovementFlags( camera, MOVE_STRAFELEFT );
 470 }
 471 void Camera_MoveRight_KeyDown( camera_t& camera ){
 472         Camera_setMovementFlags( camera, MOVE_STRAFERIGHT );
 473 }
 474 void Camera_MoveRight_KeyUp( camera_t& camera ){
 475         Camera_clearMovementFlags( camera, MOVE_STRAFERIGHT );
 476 }
 477
 478 void Camera_MoveUp_KeyDown( camera_t& camera ){
 479         Camera_setMovementFlags( camera, MOVE_UP );
 480 }
 481 void Camera_MoveUp_KeyUp( camera_t& camera ){
 482         Camera_clearMovementFlags( camera, MOVE_UP );
 483 }
 484 void Camera_MoveDown_KeyDown( camera_t& camera ){
 485         Camera_setMovementFlags( camera, MOVE_DOWN );
 486 }
 487 void Camera_MoveDown_KeyUp( camera_t& camera ){
 488         Camera_clearMovementFlags( camera, MOVE_DOWN );
 489 }
 490
 491 void Camera_RotateLeft_KeyDown( camera_t& camera ){
 492         Camera_setMovementFlags( camera, MOVE_ROTLEFT );
 493 }
 494 void Camera_RotateLeft_KeyUp( camera_t& camera ){
 495         Camera_clearMovementFlags( camera, MOVE_ROTLEFT );
 496 }
 497 void Camera_RotateRight_KeyDown( camera_t& camera ){
 498         Camera_setMovementFlags( camera, MOVE_ROTRIGHT );
 499 }
 500 void Camera_RotateRight_KeyUp( camera_t& camera ){
 501         Camera_clearMovementFlags( camera, MOVE_ROTRIGHT );
 502 }
 503
 504 void Camera_PitchUp_KeyDown( camera_t& camera ){
 505         Camera_setMovementFlags( camera, MOVE_PITCHUP );
 506 }
 507 void Camera_PitchUp_KeyUp( camera_t& camera ){
 508         Camera_clearMovementFlags( camera, MOVE_PITCHUP );
 509 }
 510 void Camera_PitchDown_KeyDown( camera_t& camera ){
 511         Camera_setMovementFlags( camera, MOVE_PITCHDOWN );
 512 }
 513 void Camera_PitchDown_KeyUp( camera_t& camera ){
 514         Camera_clearMovementFlags( camera, MOVE_PITCHDOWN );
 515 }
 516
 517
 518 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
 519 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
 520 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
 521 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
 522 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
 523 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
 524 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
 525 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
 526 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
 527 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
 528 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
 529 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 530
 531
 532 const float MIN_FOV = 60;
 533 const float MAX_FOV = 179;
 534 const float FOV_STEP = 10;
 535 const float SPEED_MOVE = 32;
 536 const float SPEED_TURN = 22.5;
 537 const float MIN_CAM_SPEED = 10;
 538 const float MAX_CAM_SPEED = 610;
 539 const float CAM_SPEED_STEP = 50;
 540
 541 void Camera_MoveForward_Discrete( camera_t& camera ){
 542         Camera_Move_updateAxes( camera );
 543         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, SPEED_MOVE ) ) );
 544 }
 545 void Camera_MoveBack_Discrete( camera_t& camera ){
 546         Camera_Move_updateAxes( camera );
 547         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, -SPEED_MOVE ) ) );
 548 }
 549
 550 void Camera_MoveUp_Discrete( camera_t& camera ){
 551         Vector3 origin( Camera_getOrigin( camera ) );
 552         origin[2] += SPEED_MOVE;
 553         Camera_setOrigin( camera, origin );
 554 }
 555 void Camera_MoveDown_Discrete( camera_t& camera ){
 556         Vector3 origin( Camera_getOrigin( camera ) );
 557         origin[2] -= SPEED_MOVE;
 558         Camera_setOrigin( camera, origin );
 559 }
 560
 561 void Camera_MoveLeft_Discrete( camera_t& camera ){
 562         Camera_Move_updateAxes( camera );
 563         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, -SPEED_MOVE ) ) );
 564 }
 565 void Camera_MoveRight_Discrete( camera_t& camera ){
 566         Camera_Move_updateAxes( camera );
 567         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, SPEED_MOVE ) ) );
 568 }
 569
 570 void Camera_RotateLeft_Discrete( camera_t& camera ){
 571         Vector3 angles( Camera_getAngles( camera ) );
 572         angles[CAMERA_YAW] += SPEED_TURN;
 573         Camera_setAngles( camera, angles );
 574 }
 575 void Camera_RotateRight_Discrete( camera_t& camera ){
 576         Vector3 angles( Camera_getAngles( camera ) );
 577         angles[CAMERA_YAW] -= SPEED_TURN;
 578         Camera_setAngles( camera, angles );
 579 }
 580
 581 void Camera_PitchUp_Discrete( camera_t& camera ){
 582         Vector3 angles( Camera_getAngles( camera ) );
 583         angles[CAMERA_PITCH] += SPEED_TURN;
 584         if ( angles[CAMERA_PITCH] > 90 ) {
 585                 angles[CAMERA_PITCH] = 90;
 586         }
 587         Camera_setAngles( camera, angles );
 588 }
 589 void Camera_PitchDown_Discrete( camera_t& camera ){
 590         Vector3 angles( Camera_getAngles( camera ) );
 591         angles[CAMERA_PITCH] -= SPEED_TURN;
 592         if ( angles[CAMERA_PITCH] < -90 ) {
 593                 angles[CAMERA_PITCH] = -90;
 594         }
 595         Camera_setAngles( camera, angles );
 596 }
 597
 598
 599 class RadiantCameraView : public CameraView
 600 {
 601 camera_t& m_camera;
 602 View* m_view;
 603 Callback<void()> m_update;
 604 public:
 605 RadiantCameraView( camera_t& camera, View* view, const Callback<void()>& update ) : m_camera( camera ), m_view( view ), m_update( update ){
 606 }
 607 void update(){
 608         m_view->Construct( m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height );
 609         m_update();
 610 }
 611 void setModelview( const Matrix4& modelview ){
 612         m_camera.modelview = modelview;
 613         matrix4_multiply_by_matrix4( m_camera.modelview, g_radiant2opengl );
 614         matrix4_affine_invert( m_camera.modelview );
 615         Camera_updateVectors( m_camera );
 616         update();
 617 }
 618 void setFieldOfView( float fieldOfView ){
 619         float farClip = Camera_getFarClipPlane( m_camera );
 620         m_camera.projection = projection_for_camera( farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height );
 621         update();
 622 }
 623 };
 624
 625
 626 void Camera_motionDelta( int x, int y, unsigned int state, void* data ){
 627         camera_t* cam = reinterpret_cast<camera_t*>( data );
 628
 629         cam->m_mouseMove.motion_delta( x, y, state );
 630
 631         switch ( g_camwindow_globals_private.m_nStrafeMode )
 632         {
 633         case 0:
 634                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0;
 635                 if ( cam->m_strafe ) {
 636                         cam->m_strafe_forward = ( state & GDK_SHIFT_MASK ) != 0;
 637                 }
 638                 else{
 639                         cam->m_strafe_forward = false;
 640                 }
 641                 break;
 642         case 1:
 643                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 644                 cam->m_strafe_forward = false;
 645                 break;
 646         case 2:
 647                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 648                 cam->m_strafe_forward = cam->m_strafe;
 649                 break;
 650         }
 651 }
 652
 653 class CamWnd
 654 {
 655 View m_view;
 656 camera_t m_Camera;
 657 RadiantCameraView m_cameraview;
 658 #if 0
 659 int m_PositionDragCursorX;
 660 int m_PositionDragCursorY;
 661 #endif
 662
 663 guint m_freemove_handle_focusout;
 664
 665 static Shader* m_state_select1;
 666 static Shader* m_state_select2;
 667
 668 FreezePointer m_freezePointer;
 669
 670 public:
 671 ui::GLArea m_gl_widget;
 672 ui::Window m_parent{ui::null};
 673
 674 SelectionSystemWindowObserver* m_window_observer;
 675 XORRectangle m_XORRectangle;
 676
 677 DeferredDraw m_deferredDraw;
 678 DeferredMotion m_deferred_motion;
 679
 680 guint m_selection_button_press_handler;
 681 guint m_selection_button_release_handler;
 682 guint m_selection_motion_handler;
 683
 684 guint m_freelook_button_press_handler;
 685
 686 guint m_sizeHandler;
 687 guint m_exposeHandler;
 688
 689 CamWnd();
 690 ~CamWnd();
 691
 692 bool m_drawing;
 693 void queue_draw(){
 694         //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
 695         if ( m_drawing ) {
 696                 return;
 697         }
 698         //globalOutputStream() << "queue... ";
 699         m_deferredDraw.draw();
 700 }
 701 void draw();
 702
 703 static void captureStates(){
 704         m_state_select1 = GlobalShaderCache().capture( "$CAM_HIGHLIGHT" );
 705         m_state_select2 = GlobalShaderCache().capture( "$CAM_OVERLAY" );
 706 }
 707 static void releaseStates(){
 708         GlobalShaderCache().release( "$CAM_HIGHLIGHT" );
 709         GlobalShaderCache().release( "$CAM_OVERLAY" );
 710 }
 711
 712 camera_t& getCamera(){
 713         return m_Camera;
 714 }
 715
 716 void BenchMark();
 717 void Cam_ChangeFloor( bool up );
 718
 719 void DisableFreeMove();
 720 void EnableFreeMove();
 721 bool m_bFreeMove;
 722
 723 CameraView& getCameraView(){
 724         return m_cameraview;
 725 }
 726
 727 private:
 728 void Cam_Draw();
 729 };
 730
 731 typedef MemberCaller<CamWnd, void(), &CamWnd::queue_draw> CamWndQueueDraw;
 732
 733 Shader* CamWnd::m_state_select1 = 0;
 734 Shader* CamWnd::m_state_select2 = 0;
 735
 736 CamWnd* NewCamWnd(){
 737         return new CamWnd;
 738 }
 739 void DeleteCamWnd( CamWnd* camwnd ){
 740         delete camwnd;
 741 }
 742
 743 void CamWnd_constructStatic(){
 744         CamWnd::captureStates();
 745 }
 746
 747 void CamWnd_destroyStatic(){
 748         CamWnd::releaseStates();
 749 }
 750
 751 static CamWnd* g_camwnd = 0;
 752
 753 void GlobalCamera_setCamWnd( CamWnd& camwnd ){
 754         g_camwnd = &camwnd;
 755 }
 756
 757
 758 ui::GLArea CamWnd_getWidget( CamWnd& camwnd ){
 759         return camwnd.m_gl_widget;
 760 }
 761
 762 ui::Window CamWnd_getParent( CamWnd& camwnd ){
 763         return camwnd.m_parent;
 764 }
 765
 766 ToggleShown g_camera_shown( true );
 767
 768 void CamWnd_setParent( CamWnd& camwnd, ui::Window parent ){
 769         camwnd.m_parent = parent;
 770         g_camera_shown.connect( camwnd.m_parent );
 771 }
 772
 773 void CamWnd_Update( CamWnd& camwnd ){
 774         camwnd.queue_draw();
 775 }
 776
 777
 778
 779 camwindow_globals_t g_camwindow_globals;
 780
 781 const Vector3& Camera_getOrigin( CamWnd& camwnd ){
 782         return Camera_getOrigin( camwnd.getCamera() );
 783 }
 784
 785 void Camera_setOrigin( CamWnd& camwnd, const Vector3& origin ){
 786         Camera_setOrigin( camwnd.getCamera(), origin );
 787 }
 788
 789 const Vector3& Camera_getAngles( CamWnd& camwnd ){
 790         return Camera_getAngles( camwnd.getCamera() );
 791 }
 792
 793 void Camera_setAngles( CamWnd& camwnd, const Vector3& angles ){
 794         Camera_setAngles( camwnd.getCamera(), angles );
 795 }
 796
 797
 798 // =============================================================================
 799 // CamWnd class
 800
 801 gboolean enable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 802         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 803                 camwnd->EnableFreeMove();
 804                 return TRUE;
 805         }
 806         return FALSE;
 807 }
 808
 809 gboolean disable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 810         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 811                 camwnd->DisableFreeMove();
 812                 return TRUE;
 813         }
 814         return FALSE;
 815 }
 816
 817 #if 0
 818 gboolean mousecontrol_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 819         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
 820                 Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
 821         }
 822         return FALSE;
 823 }
 824 #endif
 825
 826 void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
 827         if ( self.m_gl_widget.visible() ) {
 828                 self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ) );
 829         }
 830 }
 831
 832
 833 gboolean selection_button_press( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 834         if ( event->type == GDK_BUTTON_PRESS ) {
 835                 observer->onMouseDown( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 836         }
 837         return FALSE;
 838 }
 839
 840 gboolean selection_button_release( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 841         if ( event->type == GDK_BUTTON_RELEASE ) {
 842                 observer->onMouseUp( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 843         }
 844         return FALSE;
 845 }
 846
 847 void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 848         //globalOutputStream() << "motion... ";
 849         reinterpret_cast<WindowObserver*>( data )->onMouseMotion( WindowVector_forDouble( x, y ), modifiers_for_state( state ) );
 850 }
 851
 852 inline WindowVector windowvector_for_widget_centre( ui::Widget widget ){
 853         auto allocation = widget.dimensions();
 854         return WindowVector( static_cast<float>( allocation.width / 2 ), static_cast<float>(allocation.height / 2 ) );
 855 }
 856
 857 gboolean selection_button_press_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 858         if ( event->type == GDK_BUTTON_PRESS ) {
 859                 observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 860         }
 861         return FALSE;
 862 }
 863
 864 gboolean selection_button_release_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 865         if ( event->type == GDK_BUTTON_RELEASE ) {
 866                 observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 867         }
 868         return FALSE;
 869 }
 870
 871 gboolean selection_motion_freemove( ui::Widget widget, GdkEventMotion *event, WindowObserver* observer ){
 872         observer->onMouseMotion( windowvector_for_widget_centre( widget ), modifiers_for_state( event->state ) );
 873         return FALSE;
 874 }
 875
 876 gboolean wheelmove_scroll( ui::Widget widget, GdkEventScroll* event, CamWnd* camwnd ){
 877         if ( event->direction == GDK_SCROLL_UP ) {
 878                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 879                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 880         }
 881         else if ( event->direction == GDK_SCROLL_DOWN ) {
 882                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 883                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 884         }
 885
 886         return FALSE;
 887 }
 888
 889 gboolean camera_size_allocate( ui::Widget widget, GtkAllocation* allocation, CamWnd* camwnd ){
 890         camwnd->getCamera().width = allocation->width;
 891         camwnd->getCamera().height = allocation->height;
 892         Camera_updateProjection( camwnd->getCamera() );
 893         camwnd->m_window_observer->onSizeChanged( camwnd->getCamera().width, camwnd->getCamera().height );
 894         camwnd->queue_draw();
 895         return FALSE;
 896 }
 897
 898 gboolean camera_expose( ui::Widget widget, GdkEventExpose* event, gpointer data ){
 899         reinterpret_cast<CamWnd*>( data )->draw();
 900         return FALSE;
 901 }
 902
 903 void KeyEvent_connect( const char* name ){
 904         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 905         keydown_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyDown );
 906         keyup_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyUp );
 907 }
 908
 909 void KeyEvent_disconnect( const char* name ){
 910         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 911         keydown_accelerators_remove( keyEvent.m_accelerator );
 912         keyup_accelerators_remove( keyEvent.m_accelerator );
 913 }
 914
 915 void CamWnd_registerCommands( CamWnd& camwnd ){
 916         GlobalKeyEvents_insert( "CameraForward", accelerator_null(),
 917                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyDown>( camwnd.getCamera() ),
 918                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyUp>( camwnd.getCamera() )
 919                                                         );
 920         GlobalKeyEvents_insert( "CameraBack", accelerator_null(),
 921                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyDown>( camwnd.getCamera() ),
 922                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyUp>( camwnd.getCamera() )
 923                                                         );
 924         GlobalKeyEvents_insert( "CameraLeft", accelerator_null(),
 925                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyDown>( camwnd.getCamera() ),
 926                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyUp>( camwnd.getCamera() )
 927                                                         );
 928         GlobalKeyEvents_insert( "CameraRight", accelerator_null(),
 929                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyDown>( camwnd.getCamera() ),
 930                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyUp>( camwnd.getCamera() )
 931                                                         );
 932         GlobalKeyEvents_insert( "CameraStrafeRight", accelerator_null(),
 933                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyDown>( camwnd.getCamera() ),
 934                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyUp>( camwnd.getCamera() )
 935                                                         );
 936         GlobalKeyEvents_insert( "CameraStrafeLeft", accelerator_null(),
 937                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyDown>( camwnd.getCamera() ),
 938                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyUp>( camwnd.getCamera() )
 939                                                         );
 940         GlobalKeyEvents_insert( "CameraUp", accelerator_null(),
 941                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyDown>( camwnd.getCamera() ),
 942                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyUp>( camwnd.getCamera() )
 943                                                         );
 944         GlobalKeyEvents_insert( "CameraDown", accelerator_null(),
 945                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyDown>( camwnd.getCamera() ),
 946                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyUp>( camwnd.getCamera() )
 947                                                         );
 948         GlobalKeyEvents_insert( "CameraAngleUp", accelerator_null(),
 949                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyDown>( camwnd.getCamera() ),
 950                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyUp>( camwnd.getCamera() )
 951                                                         );
 952         GlobalKeyEvents_insert( "CameraAngleDown", accelerator_null(),
 953                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyDown>( camwnd.getCamera() ),
 954                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyUp>( camwnd.getCamera() )
 955                                                         );
 956
 957
 958         GlobalKeyEvents_insert( "CameraFreeMoveForward", accelerator_null(),
 959                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
 960                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
 961                                                         );
 962         GlobalKeyEvents_insert( "CameraFreeMoveBack", accelerator_null(),
 963                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
 964                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
 965                                                         );
 966         GlobalKeyEvents_insert( "CameraFreeMoveLeft", accelerator_null(),
 967                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
 968                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
 969                                                         );
 970         GlobalKeyEvents_insert( "CameraFreeMoveRight", accelerator_null(),
 971                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
 972                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
 973                                                         );
 974
 975         GlobalKeyEvents_insert( "CameraFreeMoveForward2", accelerator_null(),
 976                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
 977                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
 978                                                         );
 979         GlobalKeyEvents_insert( "CameraFreeMoveBack2", accelerator_null(),
 980                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
 981                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
 982                                                         );
 983         GlobalKeyEvents_insert( "CameraFreeMoveLeft2", accelerator_null(),
 984                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
 985                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
 986                                                         );
 987         GlobalKeyEvents_insert( "CameraFreeMoveRight2", accelerator_null(),
 988                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
 989                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
 990                                                         );
 991
 992         GlobalKeyEvents_insert( "CameraFreeMoveUp", accelerator_null(),
 993                                                         FreeMoveCameraMoveUpKeyDownCaller( camwnd.getCamera() ),
 994                                                         FreeMoveCameraMoveUpKeyUpCaller( camwnd.getCamera() )
 995                                                         );
 996         GlobalKeyEvents_insert( "CameraFreeMoveDown", accelerator_null(),
 997                                                         FreeMoveCameraMoveDownKeyDownCaller( camwnd.getCamera() ),
 998                                                         FreeMoveCameraMoveDownKeyUpCaller( camwnd.getCamera() )
 999                                                         );
1000
1001         GlobalCommands_insert( "CameraForward", ReferenceCaller<camera_t, void(), Camera_MoveForward_Discrete>( camwnd.getCamera() ) );
1002         GlobalCommands_insert( "CameraBack", ReferenceCaller<camera_t, void(), Camera_MoveBack_Discrete>( camwnd.getCamera() ) );
1003         GlobalCommands_insert( "CameraLeft", ReferenceCaller<camera_t, void(), Camera_RotateLeft_Discrete>( camwnd.getCamera() ) );
1004         GlobalCommands_insert( "CameraRight", ReferenceCaller<camera_t, void(), Camera_RotateRight_Discrete>( camwnd.getCamera() ) );
1005         GlobalCommands_insert( "CameraStrafeRight", ReferenceCaller<camera_t, void(), Camera_MoveRight_Discrete>( camwnd.getCamera() ) );
1006         GlobalCommands_insert( "CameraStrafeLeft", ReferenceCaller<camera_t, void(), Camera_MoveLeft_Discrete>( camwnd.getCamera() ) );
1007
1008         GlobalCommands_insert( "CameraUp", ReferenceCaller<camera_t, void(), Camera_MoveUp_Discrete>( camwnd.getCamera() ) );
1009         GlobalCommands_insert( "CameraDown", ReferenceCaller<camera_t, void(), Camera_MoveDown_Discrete>( camwnd.getCamera() ) );
1010         GlobalCommands_insert( "CameraAngleUp", ReferenceCaller<camera_t, void(), Camera_PitchUp_Discrete>( camwnd.getCamera() ) );
1011         GlobalCommands_insert( "CameraAngleDown", ReferenceCaller<camera_t, void(), Camera_PitchDown_Discrete>( camwnd.getCamera() ) );
1012 }
1013
1014 void CamWnd_Move_Enable( CamWnd& camwnd ){
1015         KeyEvent_connect( "CameraForward" );
1016         KeyEvent_connect( "CameraBack" );
1017         KeyEvent_connect( "CameraLeft" );
1018         KeyEvent_connect( "CameraRight" );
1019         KeyEvent_connect( "CameraStrafeRight" );
1020         KeyEvent_connect( "CameraStrafeLeft" );
1021         KeyEvent_connect( "CameraUp" );
1022         KeyEvent_connect( "CameraDown" );
1023         KeyEvent_connect( "CameraAngleUp" );
1024         KeyEvent_connect( "CameraAngleDown" );
1025 }
1026
1027 void CamWnd_Move_Disable( CamWnd& camwnd ){
1028         KeyEvent_disconnect( "CameraForward" );
1029         KeyEvent_disconnect( "CameraBack" );
1030         KeyEvent_disconnect( "CameraLeft" );
1031         KeyEvent_disconnect( "CameraRight" );
1032         KeyEvent_disconnect( "CameraStrafeRight" );
1033         KeyEvent_disconnect( "CameraStrafeLeft" );
1034         KeyEvent_disconnect( "CameraUp" );
1035         KeyEvent_disconnect( "CameraDown" );
1036         KeyEvent_disconnect( "CameraAngleUp" );
1037         KeyEvent_disconnect( "CameraAngleDown" );
1038 }
1039
1040 void CamWnd_Move_Discrete_Enable( CamWnd& camwnd ){
1041         command_connect_accelerator( "CameraForward" );
1042         command_connect_accelerator( "CameraBack" );
1043         command_connect_accelerator( "CameraLeft" );
1044         command_connect_accelerator( "CameraRight" );
1045         command_connect_accelerator( "CameraStrafeRight" );
1046         command_connect_accelerator( "CameraStrafeLeft" );
1047         command_connect_accelerator( "CameraUp" );
1048         command_connect_accelerator( "CameraDown" );
1049         command_connect_accelerator( "CameraAngleUp" );
1050         command_connect_accelerator( "CameraAngleDown" );
1051 }
1052
1053 void CamWnd_Move_Discrete_Disable( CamWnd& camwnd ){
1054         command_disconnect_accelerator( "CameraForward" );
1055         command_disconnect_accelerator( "CameraBack" );
1056         command_disconnect_accelerator( "CameraLeft" );
1057         command_disconnect_accelerator( "CameraRight" );
1058         command_disconnect_accelerator( "CameraStrafeRight" );
1059         command_disconnect_accelerator( "CameraStrafeLeft" );
1060         command_disconnect_accelerator( "CameraUp" );
1061         command_disconnect_accelerator( "CameraDown" );
1062         command_disconnect_accelerator( "CameraAngleUp" );
1063         command_disconnect_accelerator( "CameraAngleDown" );
1064 }
1065
1066 struct CamWnd_Move_Discrete {
1067         static void Export(const Callback<void(bool)> &returnz) {
1068                 returnz(g_camwindow_globals_private.m_bCamDiscrete);
1069         }
1070
1071         static void Import(bool value) {
1072                 if (g_camwnd) {
1073                         Import_(*g_camwnd, value);
1074                 } else {
1075                         g_camwindow_globals_private.m_bCamDiscrete = value;
1076                 }
1077         }
1078
1079         static void Import_(CamWnd &camwnd, bool value) {
1080         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1081                 CamWnd_Move_Discrete_Disable( camwnd );
1082                 } else {
1083                 CamWnd_Move_Disable( camwnd );
1084         }
1085
1086         g_camwindow_globals_private.m_bCamDiscrete = value;
1087
1088         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1089                 CamWnd_Move_Discrete_Enable( camwnd );
1090                 } else {
1091                 CamWnd_Move_Enable( camwnd );
1092         }
1093 }
1094 };
1095
1096
1097 void CamWnd_Add_Handlers_Move( CamWnd& camwnd ){
1098         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press ), camwnd.m_window_observer );
1099         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release ), camwnd.m_window_observer );
1100         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &camwnd.m_deferred_motion );
1101
1102         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( enable_freelook_button_press ), &camwnd );
1103
1104         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1105                 CamWnd_Move_Discrete_Enable( camwnd );
1106         }
1107         else
1108         {
1109                 CamWnd_Move_Enable( camwnd );
1110         }
1111 }
1112
1113 void CamWnd_Remove_Handlers_Move( CamWnd& camwnd ){
1114         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1115         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1116         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1117
1118         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1119
1120         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1121                 CamWnd_Move_Discrete_Disable( camwnd );
1122         }
1123         else
1124         {
1125                 CamWnd_Move_Disable( camwnd );
1126         }
1127 }
1128
1129 void CamWnd_Add_Handlers_FreeMove( CamWnd& camwnd ){
1130         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press_freemove ), camwnd.m_window_observer );
1131         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release_freemove ), camwnd.m_window_observer );
1132         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( selection_motion_freemove ), camwnd.m_window_observer );
1133
1134         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( disable_freelook_button_press ), &camwnd );
1135
1136         KeyEvent_connect( "CameraFreeMoveForward" );
1137         KeyEvent_connect( "CameraFreeMoveBack" );
1138         KeyEvent_connect( "CameraFreeMoveLeft" );
1139         KeyEvent_connect( "CameraFreeMoveRight" );
1140
1141         KeyEvent_connect( "CameraFreeMoveForward2" );
1142         KeyEvent_connect( "CameraFreeMoveBack2" );
1143         KeyEvent_connect( "CameraFreeMoveLeft2" );
1144         KeyEvent_connect( "CameraFreeMoveRight2" );
1145
1146         KeyEvent_connect( "CameraFreeMoveUp" );
1147         KeyEvent_connect( "CameraFreeMoveDown" );
1148 }
1149
1150 void CamWnd_Remove_Handlers_FreeMove( CamWnd& camwnd ){
1151         KeyEvent_disconnect( "CameraFreeMoveForward" );
1152         KeyEvent_disconnect( "CameraFreeMoveBack" );
1153         KeyEvent_disconnect( "CameraFreeMoveLeft" );
1154         KeyEvent_disconnect( "CameraFreeMoveRight" );
1155
1156         KeyEvent_disconnect( "CameraFreeMoveForward2" );
1157         KeyEvent_disconnect( "CameraFreeMoveBack2" );
1158         KeyEvent_disconnect( "CameraFreeMoveLeft2" );
1159         KeyEvent_disconnect( "CameraFreeMoveRight2" );
1160
1161         KeyEvent_disconnect( "CameraFreeMoveUp" );
1162         KeyEvent_disconnect( "CameraFreeMoveDown" );
1163
1164         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1165         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1166         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1167
1168         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1169 }
1170
1171 CamWnd::CamWnd() :
1172         m_view( true ),
1173         m_Camera( &m_view, CamWndQueueDraw( *this ) ),
1174         m_cameraview( m_Camera, &m_view, ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) ),
1175         m_gl_widget( glwidget_new( TRUE ) ),
1176         m_window_observer( NewWindowObserver() ),
1177         m_XORRectangle( m_gl_widget ),
1178         m_deferredDraw( WidgetQueueDrawCaller( m_gl_widget ) ),
1179         m_deferred_motion( selection_motion, m_window_observer ),
1180         m_selection_button_press_handler( 0 ),
1181         m_selection_button_release_handler( 0 ),
1182         m_selection_motion_handler( 0 ),
1183         m_freelook_button_press_handler( 0 ),
1184         m_drawing( false ){
1185         m_bFreeMove = false;
1186
1187         GlobalWindowObservers_add( m_window_observer );
1188         GlobalWindowObservers_connectWidget( m_gl_widget );
1189
1190         m_window_observer->setRectangleDrawCallback( ReferenceCaller<CamWnd, void(rect_t), camwnd_update_xor_rectangle>( *this ) );
1191         m_window_observer->setView( m_view );
1192
1193         g_object_ref( m_gl_widget._handle );
1194
1195         gtk_widget_set_events( m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK );
1196         gtk_widget_set_can_focus( m_gl_widget, true );
1197
1198         m_sizeHandler = m_gl_widget.connect( "size_allocate", G_CALLBACK( camera_size_allocate ), this );
1199         m_exposeHandler = m_gl_widget.on_render( G_CALLBACK( camera_expose ), this );
1200
1201         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
1202
1203         CamWnd_registerCommands( *this );
1204
1205         CamWnd_Add_Handlers_Move( *this );
1206
1207         m_gl_widget.connect( "scroll_event", G_CALLBACK( wheelmove_scroll ), this );
1208
1209         AddSceneChangeCallback( ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) );
1210
1211         PressedButtons_connect( g_pressedButtons, m_gl_widget );
1212 }
1213
1214 CamWnd::~CamWnd(){
1215         if ( m_bFreeMove ) {
1216                 DisableFreeMove();
1217         }
1218
1219         CamWnd_Remove_Handlers_Move( *this );
1220
1221         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
1222         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
1223
1224         m_gl_widget.unref();
1225
1226         m_window_observer->release();
1227 }
1228
1229 class FloorHeightWalker : public scene::Graph::Walker
1230 {
1231 float m_current;
1232 float& m_bestUp;
1233 float& m_bestDown;
1234 public:
1235 FloorHeightWalker( float current, float& bestUp, float& bestDown ) :
1236         m_current( current ), m_bestUp( bestUp ), m_bestDown( bestDown ){
1237         bestUp = g_MaxWorldCoord;
1238         bestDown = -g_MaxWorldCoord;
1239 }
1240 bool pre( const scene::Path& path, scene::Instance& instance ) const {
1241         if ( path.top().get().visible()
1242                  && Node_isBrush( path.top() ) ) { // this node is a floor
1243                 const AABB& aabb = instance.worldAABB();
1244                 float floorHeight = aabb.origin.z() + aabb.extents.z();
1245                 if ( floorHeight > m_current && floorHeight < m_bestUp ) {
1246                         m_bestUp = floorHeight;
1247                 }
1248                 if ( floorHeight < m_current && floorHeight > m_bestDown ) {
1249                         m_bestDown = floorHeight;
1250                 }
1251         }
1252         else if( !path.top().get().visible() ){
1253                 return false;
1254         }
1255         return true;
1256 }
1257 };
1258
1259 void CamWnd::Cam_ChangeFloor( bool up ){
1260         float current = m_Camera.origin[2] - 48;
1261         float bestUp;
1262         float bestDown;
1263         GlobalSceneGraph().traverse( FloorHeightWalker( current, bestUp, bestDown ) );
1264
1265         if ( up && bestUp != g_MaxWorldCoord ) {
1266                 current = bestUp;
1267         }
1268         if ( !up && bestDown != -g_MaxWorldCoord ) {
1269                 current = bestDown;
1270         }
1271
1272         m_Camera.origin[2] = current + 48;
1273         Camera_updateModelview( getCamera() );
1274         CamWnd_Update( *this );
1275         CameraMovedNotify();
1276 }
1277
1278
1279 #if 0
1280
1281 // button_press
1282 Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
1283
1284 // motion
1285 if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
1286          || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
1287         Cam_PositionDrag();
1288         CamWnd_Update( camwnd );
1289         CameraMovedNotify();
1290         return;
1291 }
1292
1293 void CamWnd::Cam_PositionDrag(){
1294         int x, y;
1295
1296         Sys_GetCursorPos( m_gl_widget, &x, &y );
1297         if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
1298                 x -= m_PositionDragCursorX;
1299                 vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
1300                 y -= m_PositionDragCursorY;
1301                 m_Camera.origin[2] -= y;
1302                 Camera_updateModelview();
1303                 CamWnd_Update( camwnd );
1304                 CameraMovedNotify();
1305
1306                 Sys_SetCursorPos( m_gl_widget, m_PositionDragCursorX, m_PositionDragCursorY );
1307         }
1308 }
1309 #endif
1310
1311
1312 // NOTE TTimo if there's an OS-level focus out of the application
1313 //   then we can release the camera cursor grab
1314 static gboolean camwindow_freemove_focusout( ui::Widget widget, GdkEventFocus* event, gpointer data ){
1315         reinterpret_cast<CamWnd*>( data )->DisableFreeMove();
1316         return FALSE;
1317 }
1318
1319 void CamWnd::EnableFreeMove(){
1320         //globalOutputStream() << "EnableFreeMove\n";
1321
1322         ASSERT_MESSAGE( !m_bFreeMove, "EnableFreeMove: free-move was already enabled" );
1323         m_bFreeMove = true;
1324         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1325
1326         CamWnd_Remove_Handlers_Move( *this );
1327         CamWnd_Add_Handlers_FreeMove( *this );
1328
1329         gtk_window_set_focus( m_parent, m_gl_widget );
1330         m_freemove_handle_focusout = m_gl_widget.connect( "focus_out_event", G_CALLBACK( camwindow_freemove_focusout ), this );
1331         /* We chose to replace m_parent by m_gl_widget but NetRadiantCustom does:
1332         m_freezePointer.freeze_pointer( m_parent, m_gl_widget, Camera_motionDelta, &m_Camera ); */
1333         m_freezePointer.freeze_pointer( m_gl_widget, Camera_motionDelta, &m_Camera );
1334
1335         CamWnd_Update( *this );
1336 }
1337
1338 void CamWnd::DisableFreeMove(){
1339         //globalOutputStream() << "DisableFreeMove\n";
1340
1341         ASSERT_MESSAGE( m_bFreeMove, "DisableFreeMove: free-move was not enabled" );
1342         m_bFreeMove = false;
1343         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1344
1345         CamWnd_Remove_Handlers_FreeMove( *this );
1346         CamWnd_Add_Handlers_Move( *this );
1347
1348         m_freezePointer.unfreeze_pointer( m_gl_widget, true );
1349
1350         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_freemove_handle_focusout );
1351
1352         CamWnd_Update( *this );
1353 }
1354
1355
1356 #include "renderer.h"
1357
1358 class CamRenderer : public Renderer
1359 {
1360 struct state_type
1361 {
1362         state_type() : m_highlight( 0 ), m_state( 0 ), m_lights( 0 ){
1363         }
1364         unsigned int m_highlight;
1365         Shader* m_state;
1366         const LightList* m_lights;
1367 };
1368
1369 std::vector<state_type> m_state_stack;
1370 RenderStateFlags m_globalstate;
1371 Shader* m_state_select0;
1372 Shader* m_state_select1;
1373 const Vector3& m_viewer;
1374
1375 public:
1376 CamRenderer( RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer ) :
1377         m_globalstate( globalstate ),
1378         m_state_select0( select0 ),
1379         m_state_select1( select1 ),
1380         m_viewer( viewer ){
1381         ASSERT_NOTNULL( select0 );
1382         ASSERT_NOTNULL( select1 );
1383         m_state_stack.push_back( state_type() );
1384 }
1385
1386 void SetState( Shader* state, EStyle style ){
1387         ASSERT_NOTNULL( state );
1388         if ( style == eFullMaterials ) {
1389                 m_state_stack.back().m_state = state;
1390         }
1391 }
1392 EStyle getStyle() const {
1393         return eFullMaterials;
1394 }
1395 void PushState(){
1396         m_state_stack.push_back( m_state_stack.back() );
1397 }
1398 void PopState(){
1399         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
1400         m_state_stack.pop_back();
1401 }
1402 void Highlight( EHighlightMode mode, bool bEnable = true ){
1403         if ( bEnable ) {
1404                 m_state_stack.back().m_highlight |= mode;
1405         } else {
1406                 m_state_stack.back().m_highlight &= ~mode;
1407         }
1408 }
1409 void setLights( const LightList& lights ){
1410         m_state_stack.back().m_lights = &lights;
1411 }
1412 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& world ){
1413         if ( m_state_stack.back().m_highlight & ePrimitive ) {
1414                 m_state_select0->addRenderable( renderable, world, m_state_stack.back().m_lights );
1415         }
1416         if ( m_state_stack.back().m_highlight & eFace ) {
1417                 m_state_select1->addRenderable( renderable, world, m_state_stack.back().m_lights );
1418         }
1419
1420         m_state_stack.back().m_state->addRenderable( renderable, world, m_state_stack.back().m_lights );
1421 }
1422
1423 void render( const Matrix4& modelview, const Matrix4& projection ){
1424         GlobalShaderCache().render( m_globalstate, modelview, projection, m_viewer );
1425 }
1426 };
1427
1428 /*
1429    ==============
1430    Cam_Draw
1431    ==============
1432  */
1433 /*
1434 void ShowStatsToggle(){
1435         g_camwindow_globals_private.m_showStats ^= 1;
1436 }
1437
1438 void ShowStatsExport( const Callback<void(bool)> &importer ){
1439         importer( g_camwindow_globals_private.m_showStats );
1440 }
1441
1442 FreeCaller<void(const Callback<void(bool)>&), ShowStatsExport> g_show_stats_caller;
1443 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1444 ToggleItem g_show_stats( g_show_stats_callback );
1445 */
1446
1447 void ShowStatsToggle(){
1448         g_camwindow_globals_private.m_showStats ^= 1;
1449 //      g_show_stats.update();
1450         UpdateAllWindows();
1451 }
1452 typedef FreeCaller<void(), ShowStatsToggle> ShowStatsToggleCaller;
1453 void ShowStatsExport( const Callback<void(bool)> & importer ){
1454         importer( g_camwindow_globals_private.m_showStats );
1455 }
1456 typedef FreeCaller<void(const Callback<void(bool)> &), ShowStatsExport> ShowStatsExportCaller;
1457
1458 ShowStatsExportCaller g_show_stats_caller;
1459 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1460 ToggleItem g_show_stats( g_show_stats_callback );
1461
1462 void CamWnd::Cam_Draw(){
1463         glViewport( 0, 0, m_Camera.width, m_Camera.height );
1464 #if 0
1465         GLint viewprt[4];
1466         glGetIntegerv( GL_VIEWPORT, viewprt );
1467 #endif
1468
1469         // enable depth buffer writes
1470         glDepthMask( GL_TRUE );
1471         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1472
1473         Vector3 clearColour( 0, 0, 0 );
1474         if ( m_Camera.draw_mode != cd_lighting ) {
1475                 clearColour = g_camwindow_globals.color_cameraback;
1476         }
1477
1478         glClearColor( clearColour[0], clearColour[1], clearColour[2], 0 );
1479         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1480
1481         extern void Renderer_ResetStats();
1482         Renderer_ResetStats();
1483         extern void Cull_ResetStats();
1484         Cull_ResetStats();
1485
1486         glMatrixMode( GL_PROJECTION );
1487         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.projection ) );
1488
1489         glMatrixMode( GL_MODELVIEW );
1490         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.modelview ) );
1491
1492
1493         // one directional light source directly behind the viewer
1494         {
1495                 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
1496
1497                 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1498                 ambient[3] = 1.0f;
1499                 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1500                 diffuse[3] = 1.0f;
1501                 //material[0] = material[1] = material[2] = 0.8f;
1502                 //material[3] = 1.0f;
1503
1504                 inverse_cam_dir[0] = m_Camera.vpn[0];
1505                 inverse_cam_dir[1] = m_Camera.vpn[1];
1506                 inverse_cam_dir[2] = m_Camera.vpn[2];
1507                 inverse_cam_dir[3] = 0;
1508
1509                 glLightfv( GL_LIGHT0, GL_POSITION, inverse_cam_dir );
1510
1511                 glLightfv( GL_LIGHT0, GL_AMBIENT, ambient );
1512                 glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse );
1513
1514                 glEnable( GL_LIGHT0 );
1515         }
1516
1517
1518         unsigned int globalstate = RENDER_DEPTHTEST | RENDER_COLOURWRITE | RENDER_DEPTHWRITE | RENDER_ALPHATEST | RENDER_BLEND | RENDER_CULLFACE | RENDER_COLOURARRAY | RENDER_OFFSETLINE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH | RENDER_FOG | RENDER_COLOURCHANGE;
1519         switch ( m_Camera.draw_mode )
1520         {
1521         case cd_wire:
1522                 break;
1523         case cd_solid:
1524                 globalstate |= RENDER_FILL
1525                                            | RENDER_LIGHTING
1526                                            | RENDER_SMOOTH
1527                                            | RENDER_SCALED;
1528                 break;
1529         case cd_texture:
1530                 globalstate |= RENDER_FILL
1531                                            | RENDER_LIGHTING
1532                                            | RENDER_TEXTURE
1533                                            | RENDER_SMOOTH
1534                                            | RENDER_SCALED;
1535                 break;
1536         case cd_lighting:
1537                 globalstate |= RENDER_FILL
1538                                            | RENDER_LIGHTING
1539                                            | RENDER_TEXTURE
1540                                            | RENDER_SMOOTH
1541                                            | RENDER_SCALED
1542                                            | RENDER_BUMP
1543                                            | RENDER_PROGRAM
1544                                            | RENDER_SCREEN;
1545                 break;
1546         default:
1547                 globalstate = 0;
1548                 break;
1549         }
1550
1551 //      if ( !g_xywindow_globals.m_bNoStipple ) {
1552                 globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
1553 //      }
1554
1555         {
1556                 CamRenderer renderer( globalstate, m_state_select2, m_state_select1, m_view.getViewer() );
1557
1558                 Scene_Render( renderer, m_view );
1559
1560                 renderer.render( m_Camera.modelview, m_Camera.projection );
1561         }
1562
1563         // prepare for 2d stuff
1564         glColor4f( 1, 1, 1, 1 );
1565         glDisable( GL_BLEND );
1566         glMatrixMode( GL_PROJECTION );
1567         glLoadIdentity();
1568         glOrtho( 0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100 );
1569         glScalef( 1, -1, 1 );
1570         glTranslatef( 0, -(float)m_Camera.height, 0 );
1571         glMatrixMode( GL_MODELVIEW );
1572         glLoadIdentity();
1573
1574         if ( GlobalOpenGL().GL_1_3() ) {
1575                 glClientActiveTexture( GL_TEXTURE0 );
1576                 glActiveTexture( GL_TEXTURE0 );
1577         }
1578
1579         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
1580         glDisableClientState( GL_NORMAL_ARRAY );
1581         glDisableClientState( GL_COLOR_ARRAY );
1582
1583         glDisable( GL_TEXTURE_2D );
1584         glDisable( GL_LIGHTING );
1585         glDisable( GL_COLOR_MATERIAL );
1586         glDisable( GL_DEPTH_TEST );
1587         glColor3f( 1.f, 1.f, 1.f );
1588         glLineWidth( 1 );
1589
1590         // draw the crosshair
1591         if ( m_bFreeMove ) {
1592                 glBegin( GL_LINES );
1593                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1594                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1595                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1596                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1597                 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1598                 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1599                 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1600                 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1601                 glEnd();
1602         }
1603
1604         if ( g_camwindow_globals_private.m_showStats ) {
1605                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f );
1606                 extern const char* Renderer_GetStats();
1607                 GlobalOpenGL().drawString( Renderer_GetStats() );
1608
1609                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() - GlobalOpenGL().m_font->getPixelHeight(), 0.0f );
1610                 extern const char* Cull_GetStats();
1611                 GlobalOpenGL().drawString( Cull_GetStats() );
1612         }
1613
1614         // bind back to the default texture so that we don't have problems
1615         // elsewhere using/modifying texture maps between contexts
1616         glBindTexture( GL_TEXTURE_2D, 0 );
1617 }
1618
1619 void CamWnd::draw(){
1620         m_drawing = true;
1621
1622         //globalOutputStream() << "draw...\n";
1623         if ( glwidget_make_current( m_gl_widget ) != FALSE ) {
1624                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
1625                         GlobalOpenGL_debugAssertNoErrors();
1626                         Cam_Draw();
1627                         GlobalOpenGL_debugAssertNoErrors();
1628                         //qglFinish();
1629
1630                         m_XORRectangle.set( rectangle_t() );
1631                 }
1632
1633                 glwidget_swap_buffers( m_gl_widget );
1634         }
1635
1636         m_drawing = false;
1637 }
1638
1639 void CamWnd::BenchMark(){
1640         double dStart = Sys_DoubleTime();
1641         for ( int i = 0 ; i < 100 ; i++ )
1642         {
1643                 Vector3 angles;
1644                 angles[CAMERA_ROLL] = 0;
1645                 angles[CAMERA_PITCH] = 0;
1646                 angles[CAMERA_YAW] = i * 360.0f / 100.0f;
1647                 Camera_setAngles( *this, angles );
1648         }
1649         double dEnd = Sys_DoubleTime();
1650         globalOutputStream() << FloatFormat( dEnd - dStart, 5, 2 ) << " seconds\n";
1651 }
1652
1653
1654 void GlobalCamera_ResetAngles(){
1655         CamWnd& camwnd = *g_camwnd;
1656         Vector3 angles;
1657         angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1658         angles[CAMERA_YAW] = 22.5f * floorf( ( Camera_getAngles( camwnd )[CAMERA_YAW] + 11 ) / 22.5f );
1659         Camera_setAngles( camwnd, angles );
1660 }
1661
1662 #include "select.h"
1663
1664 void GlobalCamera_FocusOnSelected(){
1665         CamWnd& camwnd = *g_camwnd;
1666
1667         Vector3 angles( Camera_getAngles( camwnd ) );
1668         Vector3 radangles( degrees_to_radians( angles[0] ), degrees_to_radians( angles[1] ), degrees_to_radians( angles[2] ) );
1669         Vector3 viewvector;
1670         viewvector[0] = cos( radangles[1] ) * cos( radangles[0] );
1671         viewvector[1] = sin( radangles[1] ) * cos( radangles[0] );
1672         viewvector[2] = sin( radangles[0] );
1673
1674         Vector3 camorigin( Camera_getOrigin( camwnd ) );
1675
1676         AABB aabb( aabb_for_minmax( Select_getWorkZone().d_work_min, Select_getWorkZone().d_work_max ) );
1677
1678         View& view = *( camwnd.getCamera().m_view );
1679
1680         Plane3 frustumPlanes[4];
1681         frustumPlanes[0] = plane3_translated( view.getFrustum().left, camorigin - aabb.origin );
1682         frustumPlanes[1] = plane3_translated( view.getFrustum().right, camorigin - aabb.origin );
1683         frustumPlanes[2] = plane3_translated( view.getFrustum().top, camorigin - aabb.origin );
1684         frustumPlanes[3] = plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin );
1685
1686         float offset = 64.0f;
1687
1688         Vector3 corners[8];
1689         aabb_corners( aabb, corners );
1690
1691         for ( size_t i = 0; i < 4; ++i ){
1692                 for ( size_t j = 0; j < 8; ++j ){
1693                         Ray ray( aabb.origin, -viewvector );
1694                         //Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] - frustumPlanes[i].normal() * 16.0f ) );
1695                         Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] ) );
1696                         float d = vector3_dot( ray.direction, newplane.normal() );
1697                         if( d != 0 ){
1698                                 float s = vector3_dot( newplane.normal() * newplane.dist() - ray.origin, newplane.normal() ) / d;
1699                                 offset = std::max( offset, s );
1700                         }
1701                 }
1702         }
1703         Camera_setOrigin( camwnd, aabb.origin - viewvector * offset );
1704 }
1705
1706 void Camera_ChangeFloorUp(){
1707         CamWnd& camwnd = *g_camwnd;
1708         camwnd.Cam_ChangeFloor( true );
1709 }
1710
1711 void Camera_ChangeFloorDown(){
1712         CamWnd& camwnd = *g_camwnd;
1713         camwnd.Cam_ChangeFloor( false );
1714 }
1715
1716 void Camera_CubeIn(){
1717         CamWnd& camwnd = *g_camwnd;
1718         g_camwindow_globals.m_nCubicScale--;
1719         if ( g_camwindow_globals.m_nCubicScale < 1 ) {
1720                 g_camwindow_globals.m_nCubicScale = 1;
1721         }
1722         Camera_updateProjection( camwnd.getCamera() );
1723         CamWnd_Update( camwnd );
1724         g_pParentWnd->SetGridStatus();
1725 }
1726
1727 void Camera_CubeOut(){
1728         CamWnd& camwnd = *g_camwnd;
1729         g_camwindow_globals.m_nCubicScale++;
1730         if ( g_camwindow_globals.m_nCubicScale > 46 ) {
1731                 g_camwindow_globals.m_nCubicScale = 46;
1732         }
1733         Camera_updateProjection( camwnd.getCamera() );
1734         CamWnd_Update( camwnd );
1735         g_pParentWnd->SetGridStatus();
1736 }
1737
1738 bool Camera_GetFarClip(){
1739         return g_camwindow_globals_private.m_bCubicClipping;
1740 }
1741
1742 ConstReferenceCaller<bool, void(const Callback<void(bool)> &), PropertyImpl<bool>::Export> g_getfarclip_caller( g_camwindow_globals_private.m_bCubicClipping );
1743 ToggleItem g_getfarclip_item( g_getfarclip_caller );
1744
1745 void Camera_SetFarClip( bool value ){
1746         CamWnd& camwnd = *g_camwnd;
1747         g_camwindow_globals_private.m_bCubicClipping = value;
1748         g_getfarclip_item.update();
1749         Camera_updateProjection( camwnd.getCamera() );
1750         CamWnd_Update( camwnd );
1751 }
1752
1753 struct Camera_FarClip {
1754         static void Export(const Callback<void(bool)> &returnz) {
1755                 returnz(g_camwindow_globals_private.m_bCubicClipping);
1756         }
1757
1758         static void Import(bool value) {
1759                 Camera_SetFarClip(value);
1760         }
1761 };
1762
1763 void Camera_ToggleFarClip(){
1764         Camera_SetFarClip( !Camera_GetFarClip() );
1765 }
1766
1767
1768 void CamWnd_constructToolbar( ui::Toolbar toolbar ){
1769         toolbar_append_toggle_button( toolbar, "Cubic clip the camera view (Ctrl + \\)", "view_cubicclipping.png", "ToggleCubicClip" );
1770 }
1771
1772 void CamWnd_registerShortcuts(){
1773         toggle_add_accelerator( "ToggleCubicClip" );
1774
1775         if ( g_pGameDescription->mGameType == "doom3" ) {
1776                 command_connect_accelerator( "TogglePreview" );
1777         }
1778
1779         command_connect_accelerator( "FOVInc" );
1780         command_connect_accelerator( "FOVDec" );
1781         command_connect_accelerator( "CameraSpeedInc" );
1782         command_connect_accelerator( "CameraSpeedDec" );
1783 }
1784
1785
1786 void GlobalCamera_Benchmark(){
1787         CamWnd& camwnd = *g_camwnd;
1788         camwnd.BenchMark();
1789 }
1790
1791 void GlobalCamera_Update(){
1792         CamWnd& camwnd = *g_camwnd;
1793         CamWnd_Update( camwnd );
1794 }
1795
1796 camera_draw_mode CamWnd_GetMode(){
1797         return camera_t::draw_mode;
1798 }
1799 void CamWnd_SetMode( camera_draw_mode mode ){
1800         ShaderCache_setBumpEnabled( mode == cd_lighting );
1801         camera_t::draw_mode = mode;
1802         if ( g_camwnd != 0 ) {
1803                 CamWnd_Update( *g_camwnd );
1804         }
1805 }
1806
1807 void CamWnd_TogglePreview( void ){
1808         // gametype must be doom3 for this function to work
1809         // if the gametype is not doom3 something is wrong with the
1810         // global command list or somebody else calls this function.
1811         ASSERT_MESSAGE( g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible" );
1812
1813         // switch between textured and lighting mode
1814         CamWnd_SetMode( ( CamWnd_GetMode() == cd_lighting ) ? cd_texture : cd_lighting );
1815 }
1816
1817
1818 CameraModel* g_camera_model = 0;
1819
1820 void CamWnd_LookThroughCamera( CamWnd& camwnd ){
1821         if ( g_camera_model != 0 ) {
1822                 CamWnd_Add_Handlers_Move( camwnd );
1823                 g_camera_model->setCameraView( 0, Callback<void()>() );
1824                 g_camera_model = 0;
1825                 Camera_updateModelview( camwnd.getCamera() );
1826                 Camera_updateProjection( camwnd.getCamera() );
1827                 CamWnd_Update( camwnd );
1828         }
1829 }
1830
1831 inline CameraModel* Instance_getCameraModel( scene::Instance& instance ){
1832         return InstanceTypeCast<CameraModel>::cast( instance );
1833 }
1834
1835 void CamWnd_LookThroughSelected( CamWnd& camwnd ){
1836         if ( g_camera_model != 0 ) {
1837                 CamWnd_LookThroughCamera( camwnd );
1838         }
1839
1840         if ( GlobalSelectionSystem().countSelected() != 0 ) {
1841                 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1842                 CameraModel* cameraModel = Instance_getCameraModel( instance );
1843                 if ( cameraModel != 0 ) {
1844                         CamWnd_Remove_Handlers_Move( camwnd );
1845                         g_camera_model = cameraModel;
1846                         g_camera_model->setCameraView( &camwnd.getCameraView(), ReferenceCaller<CamWnd, void(), CamWnd_LookThroughCamera>( camwnd ) );
1847                 }
1848         }
1849 }
1850
1851 void GlobalCamera_LookThroughSelected(){
1852         CamWnd_LookThroughSelected( *g_camwnd );
1853 }
1854
1855 void GlobalCamera_LookThroughCamera(){
1856         CamWnd_LookThroughCamera( *g_camwnd );
1857 }
1858
1859 struct RenderMode {
1860         static void Export(const Callback<void(int)> &returnz) {
1861                 switch (CamWnd_GetMode()) {
1862                         case cd_wire:
1863                                 returnz(0);
1864                                 break;
1865                         case cd_solid:
1866                                 returnz(1);
1867                                 break;
1868                         case cd_texture:
1869                                 returnz(2);
1870                                 break;
1871                         case cd_lighting:
1872                                 returnz(3);
1873                                 break;
1874                 }
1875         }
1876
1877         static void Import(int value) {
1878                 switch (value) {
1879         case 0:
1880                 CamWnd_SetMode( cd_wire );
1881                 break;
1882         case 1:
1883                 CamWnd_SetMode( cd_solid );
1884                 break;
1885         case 2:
1886                 CamWnd_SetMode( cd_texture );
1887                 break;
1888         case 3:
1889                 CamWnd_SetMode( cd_lighting );
1890                 break;
1891         default:
1892                 CamWnd_SetMode( cd_texture );
1893         }
1894 }
1895 };
1896
1897 void Camera_constructPreferences( PreferencesPage& page ){
1898         page.appendSlider( "FOV", g_camwindow_globals_private.m_nFOV, TRUE, 0, 0, 100, MIN_FOV, MAX_FOV, 1, 10 );
1899         page.appendSlider( "Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10 );
1900         page.appendCheckBox( "", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed );
1901         page.appendSlider( "Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10 );
1902         page.appendCheckBox( "", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse );
1903         page.appendCheckBox(
1904                 "", "Discrete movement",
1905                 make_property<CamWnd_Move_Discrete>()
1906                 );
1907         page.appendCheckBox(
1908                 "", "Enable far-clip plane",
1909                 make_property<Camera_FarClip>()
1910                 );
1911
1912         if ( g_pGameDescription->mGameType == "doom3" ) {
1913                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1914
1915                 page.appendCombo(
1916                         "Render Mode",
1917                         STRING_ARRAY_RANGE( render_mode ),
1918                         make_property<RenderMode>()
1919                         );
1920         }
1921         else
1922         {
1923                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1924
1925                 page.appendCombo(
1926                         "Render Mode",
1927                         STRING_ARRAY_RANGE( render_mode ),
1928                         make_property<RenderMode>()
1929                         );
1930         }
1931
1932         const char* strafe_mode[] = { "Both", "Forward", "Up" };
1933
1934         page.appendCombo(
1935                 "Strafe Mode",
1936                 g_camwindow_globals_private.m_nStrafeMode,
1937                 STRING_ARRAY_RANGE( strafe_mode )
1938                 );
1939 }
1940 void Camera_constructPage( PreferenceGroup& group ){
1941         PreferencesPage page( group.createPage( "Camera", "Camera View Preferences" ) );
1942         Camera_constructPreferences( page );
1943 }
1944 void Camera_registerPreferencesPage(){
1945         PreferencesDialog_addSettingsPage( makeCallbackF(Camera_constructPage) );
1946 }
1947
1948 #include "preferencesystem.h"
1949 #include "stringio.h"
1950 #include "dialog.h"
1951
1952 void FOV_increase(){
1953         CamWnd& camwnd = *g_camwnd;
1954         if ( g_camwindow_globals_private.m_nFOV <= ( MAX_FOV - FOV_STEP - 10 ) ) {
1955                 g_camwindow_globals_private.m_nFOV += FOV_STEP;
1956         }
1957         else {
1958                 g_camwindow_globals_private.m_nFOV = MAX_FOV - 10;
1959         }
1960         Camera_updateProjection( camwnd.getCamera() );
1961         CamWnd_Update( camwnd );
1962 }
1963
1964 void FOV_decrease(){
1965         CamWnd& camwnd = *g_camwnd;
1966         if ( g_camwindow_globals_private.m_nFOV >= ( MIN_FOV + FOV_STEP ) ) {
1967                 g_camwindow_globals_private.m_nFOV -= FOV_STEP;
1968         }
1969         else {
1970                 g_camwindow_globals_private.m_nFOV = MIN_FOV;
1971         }
1972         Camera_updateProjection( camwnd.getCamera() );
1973         CamWnd_Update( camwnd );
1974 }
1975
1976
1977 void CameraSpeed_increase(){
1978         if ( g_camwindow_globals_private.m_nMoveSpeed <= ( MAX_CAM_SPEED - CAM_SPEED_STEP - 10 ) ) {
1979                 g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
1980         }
1981         else {
1982                 g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
1983         }
1984 }
1985
1986 void CameraSpeed_decrease(){
1987         if ( g_camwindow_globals_private.m_nMoveSpeed >= ( MIN_CAM_SPEED + CAM_SPEED_STEP ) ) {
1988                 g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
1989         }
1990         else {
1991                 g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
1992         }
1993 }
1994
1995 /// \brief Initialisation for things that have the same lifespan as this module.
1996 void CamWnd_Construct(){
1997         GlobalCommands_insert( "CenterView", makeCallbackF(GlobalCamera_ResetAngles), Accelerator( GDK_KEY_End ) );
1998         GlobalCommands_insert( "CameraFocusOnSelected", makeCallbackF( GlobalCamera_FocusOnSelected ), Accelerator( GDK_Tab ) );
1999
2000         GlobalToggles_insert( "ToggleCubicClip", makeCallbackF(Camera_ToggleFarClip), ToggleItem::AddCallbackCaller( g_getfarclip_item ), Accelerator( '\\', (GdkModifierType)GDK_CONTROL_MASK ) );
2001         GlobalCommands_insert( "CubicClipZoomIn", makeCallbackF(Camera_CubeIn), Accelerator( '[', (GdkModifierType)GDK_CONTROL_MASK ) );
2002         GlobalCommands_insert( "CubicClipZoomOut", makeCallbackF(Camera_CubeOut), Accelerator( ']', (GdkModifierType)GDK_CONTROL_MASK ) );
2003
2004         GlobalCommands_insert( "UpFloor", makeCallbackF(Camera_ChangeFloorUp), Accelerator( GDK_KEY_Prior ) );
2005         GlobalCommands_insert( "DownFloor", makeCallbackF(Camera_ChangeFloorDown), Accelerator( GDK_KEY_Next ) );
2006
2007         GlobalToggles_insert( "ToggleCamera", ToggleShown::ToggleCaller( g_camera_shown ), ToggleItem::AddCallbackCaller( g_camera_shown.m_item ), Accelerator( 'C', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2008 //      GlobalCommands_insert( "LookThroughSelected", makeCallbackF(GlobalCamera_LookThroughSelected) );
2009 //      GlobalCommands_insert( "LookThroughCamera", makeCallbackF(GlobalCamera_LookThroughCamera) );
2010
2011         if ( g_pGameDescription->mGameType == "doom3" ) {
2012                 GlobalCommands_insert( "TogglePreview", makeCallbackF(CamWnd_TogglePreview), Accelerator( GDK_KEY_F3 ) );
2013         }
2014
2015         GlobalCommands_insert( "FOVInc", makeCallbackF(FOV_increase), Accelerator( GDK_KEY_KP_Multiply, (GdkModifierType)GDK_SHIFT_MASK ) );
2016         GlobalCommands_insert( "FOVDec", makeCallbackF(FOV_decrease), Accelerator( GDK_KEY_KP_Divide, (GdkModifierType)GDK_SHIFT_MASK ) );
2017
2018         GlobalCommands_insert( "CameraSpeedInc", makeCallbackF(CameraSpeed_increase), Accelerator( GDK_KEY_KP_Add, (GdkModifierType)GDK_SHIFT_MASK ) );
2019         GlobalCommands_insert( "CameraSpeedDec", makeCallbackF(CameraSpeed_decrease), Accelerator( GDK_KEY_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK ) );
2020
2021         GlobalShortcuts_insert( "CameraForward", Accelerator( GDK_KEY_Up ) );
2022         GlobalShortcuts_insert( "CameraBack", Accelerator( GDK_KEY_Down ) );
2023         GlobalShortcuts_insert( "CameraLeft", Accelerator( GDK_KEY_Left ) );
2024         GlobalShortcuts_insert( "CameraRight", Accelerator( GDK_KEY_Right ) );
2025         GlobalShortcuts_insert( "CameraStrafeRight", Accelerator( GDK_KEY_period ) );
2026         GlobalShortcuts_insert( "CameraStrafeLeft", Accelerator( GDK_KEY_comma ) );
2027
2028         GlobalShortcuts_insert( "CameraUp", accelerator_null() );
2029         GlobalShortcuts_insert( "CameraDown", accelerator_null() );
2030         GlobalShortcuts_insert( "CameraAngleUp", accelerator_null() );
2031         GlobalShortcuts_insert( "CameraAngleDown", accelerator_null() );
2032
2033         GlobalShortcuts_insert( "CameraFreeMoveForward", Accelerator( GDK_Up ) );
2034         GlobalShortcuts_insert( "CameraFreeMoveBack", Accelerator( GDK_Down ) );
2035         GlobalShortcuts_insert( "CameraFreeMoveLeft", Accelerator( GDK_Left ) );
2036         GlobalShortcuts_insert( "CameraFreeMoveRight", Accelerator( GDK_Right ) );
2037
2038         GlobalShortcuts_insert( "CameraFreeMoveForward2", Accelerator( GDK_Up ) );
2039         GlobalShortcuts_insert( "CameraFreeMoveBack2", Accelerator( GDK_Down ) );
2040         GlobalShortcuts_insert( "CameraFreeMoveLeft2", Accelerator( GDK_Left ) );
2041         GlobalShortcuts_insert( "CameraFreeMoveRight2", Accelerator( GDK_Right ) );
2042
2043         GlobalShortcuts_insert( "CameraFreeMoveUp", accelerator_null() );
2044         GlobalShortcuts_insert( "CameraFreeMoveDown", accelerator_null() );
2045
2046         GlobalToggles_insert( "ShowStats", makeCallbackF(ShowStatsToggle), ToggleItem::AddCallbackCaller( g_show_stats ) );
2047
2048         GlobalPreferenceSystem().registerPreference( "ShowStats", make_property_string( g_camwindow_globals_private.m_showStats ) );
2049         GlobalPreferenceSystem().registerPreference( "FOV", make_property_string( g_camwindow_globals_private.m_nFOV ) );
2050         GlobalPreferenceSystem().registerPreference( "MoveSpeed", make_property_string( g_camwindow_globals_private.m_nMoveSpeed ) );
2051         GlobalPreferenceSystem().registerPreference( "CamLinkSpeed", make_property_string( g_camwindow_globals_private.m_bCamLinkSpeed ) );
2052         GlobalPreferenceSystem().registerPreference( "AngleSpeed", make_property_string( g_camwindow_globals_private.m_nAngleSpeed ) );
2053         GlobalPreferenceSystem().registerPreference( "CamInverseMouse", make_property_string( g_camwindow_globals_private.m_bCamInverseMouse ) );
2054         GlobalPreferenceSystem().registerPreference( "CamDiscrete", make_property_string<CamWnd_Move_Discrete>());
2055         GlobalPreferenceSystem().registerPreference( "CubicClipping", make_property_string( g_camwindow_globals_private.m_bCubicClipping ) );
2056         GlobalPreferenceSystem().registerPreference( "CubicScale", make_property_string( g_camwindow_globals.m_nCubicScale ) );
2057         GlobalPreferenceSystem().registerPreference( "SI_Colors4", make_property_string( g_camwindow_globals.color_cameraback ) );
2058         GlobalPreferenceSystem().registerPreference( "SI_Colors12", make_property_string( g_camwindow_globals.color_selbrushes3d ) );
2059         GlobalPreferenceSystem().registerPreference( "CameraRenderMode", make_property_string<RenderMode>() );
2060         GlobalPreferenceSystem().registerPreference( "StrafeMode", make_property_string( g_camwindow_globals_private.m_nStrafeMode ) );
2061
2062         CamWnd_constructStatic();
2063
2064         Camera_registerPreferencesPage();
2065 }
2066 void CamWnd_Destroy(){
2067         CamWnd_destroyStatic();
2068 }