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_nMoveSpeed;
  80         bool m_bCamLinkSpeed;
  81         int m_nAngleSpeed;
  82         bool m_bCamInverseMouse;
  83         bool m_bCamDiscrete;
  84         bool m_bCubicClipping;
  85         bool m_showStats;
  86         int m_nStrafeMode;
  87
  88         camwindow_globals_private_t() :
  89                 m_nMoveSpeed( 100 ),
  90                 m_bCamLinkSpeed( true ),
  91                 m_nAngleSpeed( 3 ),
  92                 m_bCamInverseMouse( false ),
  93                 m_bCamDiscrete( true ),
  94                 m_bCubicClipping( false ),
  95                 m_showStats( true ),
  96                 m_nStrafeMode( 3 ){
  97         }
  98
  99 };
 100
 101 camwindow_globals_private_t g_camwindow_globals_private;
 102
 103
 104 const Matrix4 g_opengl2radiant(
 105         0, 0,-1, 0,
 106         -1, 0, 0, 0,
 107         0, 1, 0, 0,
 108         0, 0, 0, 1
 109         );
 110
 111 const Matrix4 g_radiant2opengl(
 112         0,-1, 0, 0,
 113         0, 0, 1, 0,
 114         -1, 0, 0, 0,
 115         0, 0, 0, 1
 116         );
 117
 118 struct camera_t;
 119 void Camera_mouseMove( camera_t& camera, int x, int y );
 120
 121 enum camera_draw_mode
 122 {
 123         cd_wire,
 124         cd_solid,
 125         cd_texture,
 126         cd_lighting
 127 };
 128
 129 struct camera_t
 130 {
 131         int width, height;
 132
 133         bool timing;
 134
 135         Vector3 origin;
 136         Vector3 angles;
 137
 138         Vector3 color; // background
 139
 140         Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
 141         Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
 142
 143         Matrix4 projection;
 144         Matrix4 modelview;
 145
 146         bool m_strafe; // true when in strafemode toggled by the ctrl-key
 147         bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
 148         bool m_strafe_forward_invert; //silly option to invert forward strafing to support old fegs
 149
 150         unsigned int movementflags; // movement flags
 151         Timer m_keycontrol_timer;
 152         guint m_keymove_handler;
 153
 154
 155         float fieldOfView;
 156
 157         DeferredMotionDelta m_mouseMove;
 158
 159         static void motionDelta( int x, int y, void* data ){
 160                 Camera_mouseMove( *reinterpret_cast<camera_t*>( data ), x, y );
 161         }
 162
 163         View* m_view;
 164         Callback<void()> m_update;
 165
 166         static camera_draw_mode draw_mode;
 167
 168         camera_t( View* view, const Callback<void()>& update )
 169                 : width( 0 ),
 170                 height( 0 ),
 171                 timing( false ),
 172                 origin( 0, 0, 0 ),
 173                 angles( 0, 0, 0 ),
 174                 color( 0, 0, 0 ),
 175                 movementflags( 0 ),
 176                 m_keymove_handler( 0 ),
 177                 fieldOfView( 110.0f ),
 178                 m_mouseMove( motionDelta, this ),
 179                 m_view( view ),
 180                 m_update( update ){
 181         }
 182 };
 183
 184 camera_draw_mode camera_t::draw_mode = cd_texture;
 185
 186 inline Matrix4 projection_for_camera( float near_z, float far_z, float fieldOfView, int width, int height ){
 187         const float half_width = static_cast<float>( near_z * tan( degrees_to_radians( fieldOfView * 0.5 ) ) );
 188         const float half_height = half_width * ( static_cast<float>( height ) / static_cast<float>( width ) );
 189
 190         return matrix4_frustum(
 191                            -half_width,
 192                            half_width,
 193                            -half_height,
 194                            half_height,
 195                            near_z,
 196                            far_z
 197                            );
 198 }
 199
 200 float Camera_getFarClipPlane( camera_t& camera ){
 201         return ( g_camwindow_globals_private.m_bCubicClipping ) ? pow( 2.0, ( g_camwindow_globals.m_nCubicScale + 7 ) / 2.0 ) : 32768.0f;
 202 }
 203
 204 void Camera_updateProjection( camera_t& camera ){
 205         float farClip = Camera_getFarClipPlane( camera );
 206         camera.projection = projection_for_camera( farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height );
 207
 208         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 209 }
 210
 211 void Camera_updateVectors( camera_t& camera ){
 212         for ( int i = 0 ; i < 3 ; i++ )
 213         {
 214                 camera.vright[i] = camera.modelview[( i << 2 ) + 0];
 215                 camera.vup[i] = camera.modelview[( i << 2 ) + 1];
 216                 camera.vpn[i] = camera.modelview[( i << 2 ) + 2];
 217         }
 218 }
 219
 220 void Camera_updateModelview( camera_t& camera ){
 221         camera.modelview = g_matrix4_identity;
 222
 223         // roll, pitch, yaw
 224         Vector3 radiant_eulerXYZ( 0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW] );
 225
 226         matrix4_translate_by_vec3( camera.modelview, camera.origin );
 227         matrix4_rotate_by_euler_xyz_degrees( camera.modelview, radiant_eulerXYZ );
 228         matrix4_multiply_by_matrix4( camera.modelview, g_radiant2opengl );
 229         matrix4_affine_invert( camera.modelview );
 230
 231         Camera_updateVectors( camera );
 232
 233         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 234 }
 235
 236
 237 void Camera_Move_updateAxes( camera_t& camera ){
 238         double ya = degrees_to_radians( camera.angles[CAMERA_YAW] );
 239
 240         // the movement matrix is kept 2d
 241         camera.forward[0] = static_cast<float>( cos( ya ) );
 242         camera.forward[1] = static_cast<float>( sin( ya ) );
 243         camera.forward[2] = 0;
 244         camera.right[0] = camera.forward[1];
 245         camera.right[1] = -camera.forward[0];
 246 }
 247
 248 void Camera_Freemove_updateAxes( camera_t& camera ){
 249         camera.right = camera.vright;
 250         camera.forward = vector3_negated( camera.vpn );
 251 }
 252
 253 const Vector3& Camera_getOrigin( camera_t& camera ){
 254         return camera.origin;
 255 }
 256
 257 void Camera_setOrigin( camera_t& camera, const Vector3& origin ){
 258         camera.origin = origin;
 259         Camera_updateModelview( camera );
 260         camera.m_update();
 261         CameraMovedNotify();
 262 }
 263
 264 const Vector3& Camera_getAngles( camera_t& camera ){
 265         return camera.angles;
 266 }
 267
 268 void Camera_setAngles( camera_t& camera, const Vector3& angles ){
 269         camera.angles = angles;
 270         Camera_updateModelview( camera );
 271         camera.m_update();
 272         CameraMovedNotify();
 273 }
 274
 275
 276 void Camera_FreeMove( camera_t& camera, int dx, int dy ){
 277         // free strafe mode, toggled by the ctrl key with optional shift for forward movement
 278         if ( camera.m_strafe ) {
 279                 float strafespeed = 0.65f;
 280
 281                 if ( g_camwindow_globals_private.m_bCamLinkSpeed ) {
 282                         strafespeed = (float)g_camwindow_globals_private.m_nMoveSpeed / 100;
 283                 }
 284
 285                 camera.origin -= camera.vright * strafespeed * dx;
 286                 if ( camera.m_strafe_forward ) {
 287                         camera.origin += camera.m_strafe_forward_invert ? ( camera.vpn * strafespeed * dy ) : ( -camera.vpn * strafespeed * dy );
 288                 }
 289                 else{
 290                         camera.origin += camera.vup * strafespeed * dy;
 291                 }
 292         }
 293         else // free rotation
 294         {
 295                 const float dtime = 0.1f;
 296
 297                 if ( g_camwindow_globals_private.m_bCamInverseMouse ) {
 298                         camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 299                 }
 300                 else{
 301                         camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 302                 }
 303
 304                 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 305
 306                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 307                         camera.angles[CAMERA_PITCH] = 90;
 308                 }
 309                 else if ( camera.angles[CAMERA_PITCH] < -90 ) {
 310                         camera.angles[CAMERA_PITCH] = -90;
 311                 }
 312
 313                 if ( camera.angles[CAMERA_YAW] >= 360 ) {
 314                         camera.angles[CAMERA_YAW] -= 360;
 315                 }
 316                 else if ( camera.angles[CAMERA_YAW] <= 0 ) {
 317                         camera.angles[CAMERA_YAW] += 360;
 318                 }
 319         }
 320
 321         Camera_updateModelview( camera );
 322         Camera_Freemove_updateAxes( camera );
 323 }
 324
 325 void Cam_MouseControl( camera_t& camera, int x, int y ){
 326         float xf = (float)( x - camera.width / 2 ) / ( camera.width / 2 );
 327         float yf = (float)( y - camera.height / 2 ) / ( camera.height / 2 );
 328
 329         xf *= 1.0f - fabsf( yf );
 330         if ( xf < 0 ) {
 331                 xf += 0.1f;
 332                 if ( xf > 0 ) {
 333                         xf = 0;
 334                 }
 335         }
 336         else
 337         {
 338                 xf -= 0.1f;
 339                 if ( xf < 0 ) {
 340                         xf = 0;
 341                 }
 342         }
 343
 344         vector3_add( camera.origin, vector3_scaled( camera.forward, yf * 0.1f * g_camwindow_globals_private.m_nMoveSpeed ) );
 345         camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
 346
 347         Camera_updateModelview( camera );
 348 }
 349
 350 void Camera_mouseMove( camera_t& camera, int x, int y ){
 351         //globalOutputStream() << "mousemove... ";
 352         Camera_FreeMove( camera, -x, -y );
 353         camera.m_update();
 354         CameraMovedNotify();
 355 }
 356
 357 const unsigned int MOVE_NONE = 0;
 358 const unsigned int MOVE_FORWARD = 1 << 0;
 359 const unsigned int MOVE_BACK = 1 << 1;
 360 const unsigned int MOVE_ROTRIGHT = 1 << 2;
 361 const unsigned int MOVE_ROTLEFT = 1 << 3;
 362 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
 363 const unsigned int MOVE_STRAFELEFT = 1 << 5;
 364 const unsigned int MOVE_UP = 1 << 6;
 365 const unsigned int MOVE_DOWN = 1 << 7;
 366 const unsigned int MOVE_PITCHUP = 1 << 8;
 367 const unsigned int MOVE_PITCHDOWN = 1 << 9;
 368 const unsigned int MOVE_FOCUS = 1 << 10;
 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 | MOVE_FOCUS;
 370
 371 Vector3 Camera_getFocusPos( camera_t& camera );
 372
 373 void Cam_KeyControl( camera_t& camera, float dtime ){
 374         // Update angles
 375         if ( camera.movementflags & MOVE_ROTLEFT ) {
 376                 camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 377         }
 378         if ( camera.movementflags & MOVE_ROTRIGHT ) {
 379                 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 380         }
 381         if ( camera.movementflags & MOVE_PITCHUP ) {
 382                 camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 383                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 384                         camera.angles[CAMERA_PITCH] = 90;
 385                 }
 386         }
 387         if ( camera.movementflags & MOVE_PITCHDOWN ) {
 388                 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 389                 if ( camera.angles[CAMERA_PITCH] < -90 ) {
 390                         camera.angles[CAMERA_PITCH] = -90;
 391                 }
 392         }
 393
 394         Camera_updateModelview( camera );
 395         Camera_Freemove_updateAxes( camera );
 396
 397         // Update position
 398         if ( camera.movementflags & MOVE_FORWARD ) {
 399                 vector3_add( camera.origin, vector3_scaled( camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 400         }
 401         if ( camera.movementflags & MOVE_BACK ) {
 402                 vector3_add( camera.origin, vector3_scaled( camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 403         }
 404         if ( camera.movementflags & MOVE_STRAFELEFT ) {
 405                 vector3_add( camera.origin, vector3_scaled( camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 406         }
 407         if ( camera.movementflags & MOVE_STRAFERIGHT ) {
 408                 vector3_add( camera.origin, vector3_scaled( camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 409         }
 410         if ( camera.movementflags & MOVE_UP ) {
 411                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 412         }
 413         if ( camera.movementflags & MOVE_DOWN ) {
 414                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 415         }
 416         if ( camera.movementflags & MOVE_FOCUS ) {
 417                 camera.origin = Camera_getFocusPos( camera );
 418         }
 419
 420         Camera_updateModelview( camera );
 421 }
 422
 423 void Camera_keyMove( camera_t& camera ){
 424         camera.m_mouseMove.flush();
 425
 426         //globalOutputStream() << "keymove... ";
 427         float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
 428         camera.m_keycontrol_timer.start();
 429         if ( time_seconds > 0.05f ) {
 430                 time_seconds = 0.05f; // 20fps
 431         }
 432         Cam_KeyControl( camera, time_seconds * 5.0f );
 433
 434         camera.m_update();
 435         CameraMovedNotify();
 436 }
 437
 438 gboolean camera_keymove( gpointer data ){
 439         Camera_keyMove( *reinterpret_cast<camera_t*>( data ) );
 440         return TRUE;
 441 }
 442
 443 void Camera_setMovementFlags( camera_t& camera, unsigned int mask ){
 444         if ( ( ~camera.movementflags & mask ) != 0 && camera.movementflags == 0 ) {
 445                 camera.m_keymove_handler = g_idle_add( camera_keymove, &camera );
 446         }
 447         camera.movementflags |= mask;
 448 }
 449 void Camera_clearMovementFlags( camera_t& camera, unsigned int mask ){
 450         if ( ( camera.movementflags & ~mask ) == 0 && camera.movementflags != 0 ) {
 451                 g_source_remove( camera.m_keymove_handler );
 452                 camera.m_keymove_handler = 0;
 453         }
 454         camera.movementflags &= ~mask;
 455 }
 456
 457 void Camera_MoveForward_KeyDown( camera_t& camera ){
 458         Camera_setMovementFlags( camera, MOVE_FORWARD );
 459 }
 460 void Camera_MoveForward_KeyUp( camera_t& camera ){
 461         Camera_clearMovementFlags( camera, MOVE_FORWARD );
 462 }
 463 void Camera_MoveBack_KeyDown( camera_t& camera ){
 464         Camera_setMovementFlags( camera, MOVE_BACK );
 465 }
 466 void Camera_MoveBack_KeyUp( camera_t& camera ){
 467         Camera_clearMovementFlags( camera, MOVE_BACK );
 468 }
 469
 470 void Camera_MoveLeft_KeyDown( camera_t& camera ){
 471         Camera_setMovementFlags( camera, MOVE_STRAFELEFT );
 472 }
 473 void Camera_MoveLeft_KeyUp( camera_t& camera ){
 474         Camera_clearMovementFlags( camera, MOVE_STRAFELEFT );
 475 }
 476 void Camera_MoveRight_KeyDown( camera_t& camera ){
 477         Camera_setMovementFlags( camera, MOVE_STRAFERIGHT );
 478 }
 479 void Camera_MoveRight_KeyUp( camera_t& camera ){
 480         Camera_clearMovementFlags( camera, MOVE_STRAFERIGHT );
 481 }
 482
 483 void Camera_MoveUp_KeyDown( camera_t& camera ){
 484         Camera_setMovementFlags( camera, MOVE_UP );
 485 }
 486 void Camera_MoveUp_KeyUp( camera_t& camera ){
 487         Camera_clearMovementFlags( camera, MOVE_UP );
 488 }
 489 void Camera_MoveDown_KeyDown( camera_t& camera ){
 490         Camera_setMovementFlags( camera, MOVE_DOWN );
 491 }
 492 void Camera_MoveDown_KeyUp( camera_t& camera ){
 493         Camera_clearMovementFlags( camera, MOVE_DOWN );
 494 }
 495
 496 void Camera_RotateLeft_KeyDown( camera_t& camera ){
 497         Camera_setMovementFlags( camera, MOVE_ROTLEFT );
 498 }
 499 void Camera_RotateLeft_KeyUp( camera_t& camera ){
 500         Camera_clearMovementFlags( camera, MOVE_ROTLEFT );
 501 }
 502 void Camera_RotateRight_KeyDown( camera_t& camera ){
 503         Camera_setMovementFlags( camera, MOVE_ROTRIGHT );
 504 }
 505 void Camera_RotateRight_KeyUp( camera_t& camera ){
 506         Camera_clearMovementFlags( camera, MOVE_ROTRIGHT );
 507 }
 508
 509 void Camera_PitchUp_KeyDown( camera_t& camera ){
 510         Camera_setMovementFlags( camera, MOVE_PITCHUP );
 511 }
 512 void Camera_PitchUp_KeyUp( camera_t& camera ){
 513         Camera_clearMovementFlags( camera, MOVE_PITCHUP );
 514 }
 515 void Camera_PitchDown_KeyDown( camera_t& camera ){
 516         Camera_setMovementFlags( camera, MOVE_PITCHDOWN );
 517 }
 518 void Camera_PitchDown_KeyUp( camera_t& camera ){
 519         Camera_clearMovementFlags( camera, MOVE_PITCHDOWN );
 520 }
 521
 522 void Camera_Focus_KeyDown( camera_t& camera ){
 523         Camera_setMovementFlags( camera, MOVE_FOCUS );
 524 }
 525 void Camera_Focus_KeyUp( camera_t& camera ){
 526         Camera_clearMovementFlags( camera, MOVE_FOCUS );
 527 }
 528
 529 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
 530 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
 531 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
 532 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
 533 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
 534 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
 535 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
 536 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
 537 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
 538 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
 539 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
 540 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 541
 542 typedef ReferenceCaller<camera_t, void(), &Camera_Focus_KeyDown> FreeMoveCameraFocusKeyDownCaller;
 543 typedef ReferenceCaller<camera_t, void(), &Camera_Focus_KeyUp> FreeMoveCameraFocusKeyUpCaller;
 544
 545 const float SPEED_MOVE = 32;
 546 const float SPEED_TURN = 22.5;
 547 const float MIN_CAM_SPEED = 10;
 548 const float MAX_CAM_SPEED = 610;
 549 const float CAM_SPEED_STEP = 50;
 550
 551 void Camera_MoveForward_Discrete( camera_t& camera ){
 552         Camera_Move_updateAxes( camera );
 553         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, SPEED_MOVE ) ) );
 554 }
 555 void Camera_MoveBack_Discrete( camera_t& camera ){
 556         Camera_Move_updateAxes( camera );
 557         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, -SPEED_MOVE ) ) );
 558 }
 559
 560 void Camera_MoveUp_Discrete( camera_t& camera ){
 561         Vector3 origin( Camera_getOrigin( camera ) );
 562         origin[2] += SPEED_MOVE;
 563         Camera_setOrigin( camera, origin );
 564 }
 565 void Camera_MoveDown_Discrete( camera_t& camera ){
 566         Vector3 origin( Camera_getOrigin( camera ) );
 567         origin[2] -= SPEED_MOVE;
 568         Camera_setOrigin( camera, origin );
 569 }
 570
 571 void Camera_MoveLeft_Discrete( camera_t& camera ){
 572         Camera_Move_updateAxes( camera );
 573         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, -SPEED_MOVE ) ) );
 574 }
 575 void Camera_MoveRight_Discrete( camera_t& camera ){
 576         Camera_Move_updateAxes( camera );
 577         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, SPEED_MOVE ) ) );
 578 }
 579
 580 void Camera_RotateLeft_Discrete( camera_t& camera ){
 581         Vector3 angles( Camera_getAngles( camera ) );
 582         angles[CAMERA_YAW] += SPEED_TURN;
 583         Camera_setAngles( camera, angles );
 584 }
 585 void Camera_RotateRight_Discrete( camera_t& camera ){
 586         Vector3 angles( Camera_getAngles( camera ) );
 587         angles[CAMERA_YAW] -= SPEED_TURN;
 588         Camera_setAngles( camera, angles );
 589 }
 590
 591 void Camera_PitchUp_Discrete( camera_t& camera ){
 592         Vector3 angles( Camera_getAngles( camera ) );
 593         angles[CAMERA_PITCH] += SPEED_TURN;
 594         if ( angles[CAMERA_PITCH] > 90 ) {
 595                 angles[CAMERA_PITCH] = 90;
 596         }
 597         Camera_setAngles( camera, angles );
 598 }
 599 void Camera_PitchDown_Discrete( camera_t& camera ){
 600         Vector3 angles( Camera_getAngles( camera ) );
 601         angles[CAMERA_PITCH] -= SPEED_TURN;
 602         if ( angles[CAMERA_PITCH] < -90 ) {
 603                 angles[CAMERA_PITCH] = -90;
 604         }
 605         Camera_setAngles( camera, angles );
 606 }
 607
 608
 609 class RadiantCameraView : public CameraView
 610 {
 611 camera_t& m_camera;
 612 View* m_view;
 613 Callback<void()> m_update;
 614 public:
 615 RadiantCameraView( camera_t& camera, View* view, const Callback<void()>& update ) : m_camera( camera ), m_view( view ), m_update( update ){
 616 }
 617 void update(){
 618         m_view->Construct( m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height );
 619         m_update();
 620 }
 621 void setModelview( const Matrix4& modelview ){
 622         m_camera.modelview = modelview;
 623         matrix4_multiply_by_matrix4( m_camera.modelview, g_radiant2opengl );
 624         matrix4_affine_invert( m_camera.modelview );
 625         Camera_updateVectors( m_camera );
 626         update();
 627 }
 628 void setFieldOfView( float fieldOfView ){
 629         float farClip = Camera_getFarClipPlane( m_camera );
 630         m_camera.projection = projection_for_camera( farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height );
 631         update();
 632 }
 633 };
 634
 635
 636 void Camera_motionDelta( int x, int y, unsigned int state, void* data ){
 637         camera_t* cam = reinterpret_cast<camera_t*>( data );
 638
 639         cam->m_mouseMove.motion_delta( x, y, state );
 640
 641         cam->m_strafe_forward_invert = false;
 642
 643         switch ( g_camwindow_globals_private.m_nStrafeMode )
 644         {
 645         case 0:
 646                 cam->m_strafe = false;
 647                 break;
 648         case 1:
 649                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 650                 cam->m_strafe_forward = false;
 651                 break;
 652         case 2:
 653                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 654                 cam->m_strafe_forward = cam->m_strafe;
 655                 break;
 656         case 4:
 657                 cam->m_strafe_forward_invert = true;
 658         default:
 659                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0;
 660                 if ( cam->m_strafe ) {
 661                         cam->m_strafe_forward = ( state & GDK_SHIFT_MASK ) != 0;
 662                 }
 663                 else{
 664                         cam->m_strafe_forward = false;
 665                 }
 666                 break;
 667         }
 668 }
 669
 670
 671
 672
 673
 674 class CamWnd
 675 {
 676 View m_view;
 677 camera_t m_Camera;
 678 RadiantCameraView m_cameraview;
 679 #if 0
 680 int m_PositionDragCursorX;
 681 int m_PositionDragCursorY;
 682 #endif
 683
 684 guint m_freemove_handle_focusout;
 685
 686 static Shader* m_state_select1;
 687 static Shader* m_state_select2;
 688
 689 FreezePointer m_freezePointer;
 690
 691 public:
 692 ui::GLArea m_gl_widget;
 693 ui::Window m_parent{ui::null};
 694
 695 SelectionSystemWindowObserver* m_window_observer;
 696 XORRectangle m_XORRectangle;
 697
 698 DeferredDraw m_deferredDraw;
 699 DeferredMotion m_deferred_motion;
 700
 701 guint m_selection_button_press_handler;
 702 guint m_selection_button_release_handler;
 703 guint m_selection_motion_handler;
 704
 705 guint m_freelook_button_press_handler;
 706
 707 guint m_sizeHandler;
 708 guint m_exposeHandler;
 709
 710 CamWnd();
 711 ~CamWnd();
 712
 713 bool m_drawing;
 714 void queue_draw(){
 715         //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
 716         if ( m_drawing ) {
 717                 return;
 718         }
 719         //globalOutputStream() << "queue... ";
 720         m_deferredDraw.draw();
 721 }
 722 void draw();
 723
 724 static void captureStates(){
 725         m_state_select1 = GlobalShaderCache().capture( "$CAM_HIGHLIGHT" );
 726         m_state_select2 = GlobalShaderCache().capture( "$CAM_OVERLAY" );
 727 }
 728 static void releaseStates(){
 729         GlobalShaderCache().release( "$CAM_HIGHLIGHT" );
 730         GlobalShaderCache().release( "$CAM_OVERLAY" );
 731 }
 732
 733 camera_t& getCamera(){
 734         return m_Camera;
 735 }
 736
 737 void BenchMark();
 738 void Cam_ChangeFloor( bool up );
 739
 740 void DisableFreeMove();
 741 void EnableFreeMove();
 742 bool m_bFreeMove;
 743
 744 CameraView& getCameraView(){
 745         return m_cameraview;
 746 }
 747
 748 private:
 749 void Cam_Draw();
 750 };
 751
 752 typedef MemberCaller<CamWnd, void(), &CamWnd::queue_draw> CamWndQueueDraw;
 753
 754 Shader* CamWnd::m_state_select1 = 0;
 755 Shader* CamWnd::m_state_select2 = 0;
 756
 757 CamWnd* NewCamWnd(){
 758         return new CamWnd;
 759 }
 760 void DeleteCamWnd( CamWnd* camwnd ){
 761         delete camwnd;
 762 }
 763
 764 void CamWnd_constructStatic(){
 765         CamWnd::captureStates();
 766 }
 767
 768 void CamWnd_destroyStatic(){
 769         CamWnd::releaseStates();
 770 }
 771
 772 static CamWnd* g_camwnd = 0;
 773
 774 void GlobalCamera_setCamWnd( CamWnd& camwnd ){
 775         g_camwnd = &camwnd;
 776 }
 777
 778
 779 ui::GLArea CamWnd_getWidget( CamWnd& camwnd ){
 780         return camwnd.m_gl_widget;
 781 }
 782
 783 ui::Window CamWnd_getParent( CamWnd& camwnd ){
 784         return camwnd.m_parent;
 785 }
 786
 787 ToggleShown g_camera_shown( true );
 788
 789 void CamWnd_setParent( CamWnd& camwnd, ui::Window parent ){
 790         camwnd.m_parent = parent;
 791         g_camera_shown.connect( camwnd.m_parent );
 792 }
 793
 794 void CamWnd_Update( CamWnd& camwnd ){
 795         camwnd.queue_draw();
 796 }
 797
 798
 799
 800 camwindow_globals_t g_camwindow_globals;
 801
 802 const Vector3& Camera_getOrigin( CamWnd& camwnd ){
 803         return Camera_getOrigin( camwnd.getCamera() );
 804 }
 805
 806 void Camera_setOrigin( CamWnd& camwnd, const Vector3& origin ){
 807         Camera_setOrigin( camwnd.getCamera(), origin );
 808 }
 809
 810 const Vector3& Camera_getAngles( CamWnd& camwnd ){
 811         return Camera_getAngles( camwnd.getCamera() );
 812 }
 813
 814 void Camera_setAngles( CamWnd& camwnd, const Vector3& angles ){
 815         Camera_setAngles( camwnd.getCamera(), angles );
 816 }
 817
 818
 819 // =============================================================================
 820 // CamWnd class
 821
 822 gboolean enable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 823         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 824                 camwnd->EnableFreeMove();
 825                 return TRUE;
 826         }
 827         return FALSE;
 828 }
 829
 830 gboolean disable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 831         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 832                 camwnd->DisableFreeMove();
 833                 return TRUE;
 834         }
 835         return FALSE;
 836 }
 837
 838 #if 0
 839 gboolean mousecontrol_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 840         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
 841                 Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
 842         }
 843         return FALSE;
 844 }
 845 #endif
 846
 847 void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
 848         if ( self.m_gl_widget.visible() ) {
 849                 self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ) );
 850         }
 851 }
 852
 853
 854 gboolean selection_button_press( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 855         if ( event->type == GDK_BUTTON_PRESS ) {
 856                 gtk_widget_grab_focus( widget );
 857                 observer->onMouseDown( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 858         }
 859         return FALSE;
 860 }
 861
 862 gboolean selection_button_release( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 863         if ( event->type == GDK_BUTTON_RELEASE ) {
 864                 observer->onMouseUp( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 865         }
 866         return FALSE;
 867 }
 868
 869 void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 870         //globalOutputStream() << "motion... ";
 871         reinterpret_cast<WindowObserver*>( data )->onMouseMotion( WindowVector_forDouble( x, y ), modifiers_for_state( state ) );
 872 }
 873
 874 inline WindowVector windowvector_for_widget_centre( ui::Widget widget ){
 875         auto allocation = widget.dimensions();
 876         return WindowVector( static_cast<float>( allocation.width / 2 ), static_cast<float>(allocation.height / 2 ) );
 877 }
 878
 879 gboolean selection_button_press_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 880         if ( event->type == GDK_BUTTON_PRESS ) {
 881                 observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 882         }
 883         return FALSE;
 884 }
 885
 886 gboolean selection_button_release_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 887         if ( event->type == GDK_BUTTON_RELEASE ) {
 888                 observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 889         }
 890         return FALSE;
 891 }
 892
 893 gboolean selection_motion_freemove( ui::Widget widget, GdkEventMotion *event, WindowObserver* observer ){
 894         observer->onMouseMotion( windowvector_for_widget_centre( widget ), modifiers_for_state( event->state ) );
 895         return FALSE;
 896 }
 897
 898 gboolean wheelmove_scroll( ui::Widget widget, GdkEventScroll* event, CamWnd* camwnd ){
 899         //gtk_window_set_focus( camwnd->m_parent, camwnd->m_gl_widget );
 900         gtk_widget_grab_focus( camwnd->m_gl_widget );
 901         if( !gtk_window_is_active( camwnd->m_parent ) )
 902                 gtk_window_present( camwnd->m_parent );
 903
 904         if ( event->direction == GDK_SCROLL_UP ) {
 905                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 906                 if( camwnd->m_bFreeMove || !g_camwindow_globals.m_bZoomInToPointer ){
 907                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 908                 }
 909                 else{
 910                         //Matrix4 maa = matrix4_multiplied_by_matrix4( camwnd->getCamera().projection, camwnd->getCamera().modelview );
 911                         Matrix4 maa = camwnd->getCamera().m_view->GetViewMatrix();
 912                         matrix4_affine_invert( maa );
 913
 914                         float x = static_cast<float>( event->x );
 915                         float y = static_cast<float>( event->y );
 916                         Vector3 normalized;
 917
 918                         normalized[0] = 2.0f * ( x ) / static_cast<float>( camwnd->getCamera().width ) - 1.0f;
 919                         normalized[1] = 2.0f * ( y )/ static_cast<float>( camwnd->getCamera().height ) - 1.0f;
 920                         normalized[1] *= -1.f;
 921                         normalized[2] = 0.f;
 922
 923                         normalized *= 16.0f;
 924                                 //globalOutputStream() << normalized << " normalized    ";
 925                         matrix4_transform_point( maa, normalized );
 926                                 //globalOutputStream() << normalized << "\n";
 927                         Vector3 norm = vector3_normalised( normalized - Camera_getOrigin( *camwnd ) );
 928                                 //globalOutputStream() << normalized - Camera_getOrigin( *camwnd ) << "  normalized - Camera_getOrigin( *camwnd )\n";
 929                                 //globalOutputStream() << norm << "  norm\n";
 930                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( norm, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 931                 }
 932         }
 933         else if ( event->direction == GDK_SCROLL_DOWN ) {
 934                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 935                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 936         }
 937
 938         return FALSE;
 939 }
 940
 941 gboolean camera_size_allocate( ui::Widget widget, GtkAllocation* allocation, CamWnd* camwnd ){
 942         camwnd->getCamera().width = allocation->width;
 943         camwnd->getCamera().height = allocation->height;
 944         Camera_updateProjection( camwnd->getCamera() );
 945         camwnd->m_window_observer->onSizeChanged( camwnd->getCamera().width, camwnd->getCamera().height );
 946         camwnd->queue_draw();
 947         return FALSE;
 948 }
 949
 950 gboolean camera_expose( ui::Widget widget, GdkEventExpose* event, gpointer data ){
 951         reinterpret_cast<CamWnd*>( data )->draw();
 952         return FALSE;
 953 }
 954
 955 void KeyEvent_connect( const char* name ){
 956         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 957         keydown_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyDown );
 958         keyup_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyUp );
 959 }
 960
 961 void KeyEvent_disconnect( const char* name ){
 962         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 963         keydown_accelerators_remove( keyEvent.m_accelerator );
 964         keyup_accelerators_remove( keyEvent.m_accelerator );
 965 }
 966
 967 void CamWnd_registerCommands( CamWnd& camwnd ){
 968         GlobalKeyEvents_insert( "CameraForward", accelerator_null(),
 969                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyDown>( camwnd.getCamera() ),
 970                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyUp>( camwnd.getCamera() )
 971                                                         );
 972         GlobalKeyEvents_insert( "CameraBack", accelerator_null(),
 973                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyDown>( camwnd.getCamera() ),
 974                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyUp>( camwnd.getCamera() )
 975                                                         );
 976         GlobalKeyEvents_insert( "CameraLeft", accelerator_null(),
 977                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyDown>( camwnd.getCamera() ),
 978                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyUp>( camwnd.getCamera() )
 979                                                         );
 980         GlobalKeyEvents_insert( "CameraRight", accelerator_null(),
 981                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyDown>( camwnd.getCamera() ),
 982                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyUp>( camwnd.getCamera() )
 983                                                         );
 984         GlobalKeyEvents_insert( "CameraStrafeRight", accelerator_null(),
 985                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyDown>( camwnd.getCamera() ),
 986                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyUp>( camwnd.getCamera() )
 987                                                         );
 988         GlobalKeyEvents_insert( "CameraStrafeLeft", accelerator_null(),
 989                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyDown>( camwnd.getCamera() ),
 990                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyUp>( camwnd.getCamera() )
 991                                                         );
 992         GlobalKeyEvents_insert( "CameraUp", accelerator_null(),
 993                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyDown>( camwnd.getCamera() ),
 994                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyUp>( camwnd.getCamera() )
 995                                                         );
 996         GlobalKeyEvents_insert( "CameraDown", accelerator_null(),
 997                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyDown>( camwnd.getCamera() ),
 998                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyUp>( camwnd.getCamera() )
 999                                                         );
1000         GlobalKeyEvents_insert( "CameraAngleUp", accelerator_null(),
1001                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyDown>( camwnd.getCamera() ),
1002                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyUp>( camwnd.getCamera() )
1003                                                         );
1004         GlobalKeyEvents_insert( "CameraAngleDown", accelerator_null(),
1005                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyDown>( camwnd.getCamera() ),
1006                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyUp>( camwnd.getCamera() )
1007                                                         );
1008
1009
1010         GlobalKeyEvents_insert( "CameraFreeMoveForward", accelerator_null(),
1011                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1012                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1013                                                         );
1014         GlobalKeyEvents_insert( "CameraFreeMoveBack", accelerator_null(),
1015                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1016                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1017                                                         );
1018         GlobalKeyEvents_insert( "CameraFreeMoveLeft", accelerator_null(),
1019                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1020                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1021                                                         );
1022         GlobalKeyEvents_insert( "CameraFreeMoveRight", accelerator_null(),
1023                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1024                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1025                                                         );
1026
1027         GlobalKeyEvents_insert( "CameraFreeMoveForward2", accelerator_null(),
1028                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1029                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1030                                                         );
1031         GlobalKeyEvents_insert( "CameraFreeMoveBack2", accelerator_null(),
1032                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1033                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1034                                                         );
1035         GlobalKeyEvents_insert( "CameraFreeMoveLeft2", accelerator_null(),
1036                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1037                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1038                                                         );
1039         GlobalKeyEvents_insert( "CameraFreeMoveRight2", accelerator_null(),
1040                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1041                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1042                                                         );
1043
1044         GlobalKeyEvents_insert( "CameraFreeMoveUp", accelerator_null(),
1045                                                         FreeMoveCameraMoveUpKeyDownCaller( camwnd.getCamera() ),
1046                                                         FreeMoveCameraMoveUpKeyUpCaller( camwnd.getCamera() )
1047                                                         );
1048         GlobalKeyEvents_insert( "CameraFreeMoveDown", accelerator_null(),
1049                                                         FreeMoveCameraMoveDownKeyDownCaller( camwnd.getCamera() ),
1050                                                         FreeMoveCameraMoveDownKeyUpCaller( camwnd.getCamera() )
1051                                                         );
1052
1053         GlobalKeyEvents_insert( "CameraFreeFocus", accelerator_null(),
1054                                                         FreeMoveCameraFocusKeyDownCaller( camwnd.getCamera() ),
1055                                                         FreeMoveCameraFocusKeyUpCaller( camwnd.getCamera() )
1056                                                         );
1057
1058         GlobalCommands_insert( "CameraForward", ReferenceCaller<camera_t, void(), Camera_MoveForward_Discrete>( camwnd.getCamera() ) );
1059         GlobalCommands_insert( "CameraBack", ReferenceCaller<camera_t, void(), Camera_MoveBack_Discrete>( camwnd.getCamera() ) );
1060         GlobalCommands_insert( "CameraLeft", ReferenceCaller<camera_t, void(), Camera_RotateLeft_Discrete>( camwnd.getCamera() ) );
1061         GlobalCommands_insert( "CameraRight", ReferenceCaller<camera_t, void(), Camera_RotateRight_Discrete>( camwnd.getCamera() ) );
1062         GlobalCommands_insert( "CameraStrafeRight", ReferenceCaller<camera_t, void(), Camera_MoveRight_Discrete>( camwnd.getCamera() ) );
1063         GlobalCommands_insert( "CameraStrafeLeft", ReferenceCaller<camera_t, void(), Camera_MoveLeft_Discrete>( camwnd.getCamera() ) );
1064
1065         GlobalCommands_insert( "CameraUp", ReferenceCaller<camera_t, void(), Camera_MoveUp_Discrete>( camwnd.getCamera() ) );
1066         GlobalCommands_insert( "CameraDown", ReferenceCaller<camera_t, void(), Camera_MoveDown_Discrete>( camwnd.getCamera() ) );
1067         GlobalCommands_insert( "CameraAngleUp", ReferenceCaller<camera_t, void(), Camera_PitchUp_Discrete>( camwnd.getCamera() ) );
1068         GlobalCommands_insert( "CameraAngleDown", ReferenceCaller<camera_t, void(), Camera_PitchDown_Discrete>( camwnd.getCamera() ) );
1069 }
1070
1071 void CamWnd_Move_Enable( CamWnd& camwnd ){
1072         KeyEvent_connect( "CameraForward" );
1073         KeyEvent_connect( "CameraBack" );
1074         KeyEvent_connect( "CameraLeft" );
1075         KeyEvent_connect( "CameraRight" );
1076         KeyEvent_connect( "CameraStrafeRight" );
1077         KeyEvent_connect( "CameraStrafeLeft" );
1078         KeyEvent_connect( "CameraUp" );
1079         KeyEvent_connect( "CameraDown" );
1080         KeyEvent_connect( "CameraAngleUp" );
1081         KeyEvent_connect( "CameraAngleDown" );
1082 }
1083
1084 void CamWnd_Move_Disable( CamWnd& camwnd ){
1085         KeyEvent_disconnect( "CameraForward" );
1086         KeyEvent_disconnect( "CameraBack" );
1087         KeyEvent_disconnect( "CameraLeft" );
1088         KeyEvent_disconnect( "CameraRight" );
1089         KeyEvent_disconnect( "CameraStrafeRight" );
1090         KeyEvent_disconnect( "CameraStrafeLeft" );
1091         KeyEvent_disconnect( "CameraUp" );
1092         KeyEvent_disconnect( "CameraDown" );
1093         KeyEvent_disconnect( "CameraAngleUp" );
1094         KeyEvent_disconnect( "CameraAngleDown" );
1095 }
1096
1097 void CamWnd_Move_Discrete_Enable( CamWnd& camwnd ){
1098         command_connect_accelerator( "CameraForward" );
1099         command_connect_accelerator( "CameraBack" );
1100         command_connect_accelerator( "CameraLeft" );
1101         command_connect_accelerator( "CameraRight" );
1102         command_connect_accelerator( "CameraStrafeRight" );
1103         command_connect_accelerator( "CameraStrafeLeft" );
1104         command_connect_accelerator( "CameraUp" );
1105         command_connect_accelerator( "CameraDown" );
1106         command_connect_accelerator( "CameraAngleUp" );
1107         command_connect_accelerator( "CameraAngleDown" );
1108 }
1109
1110 void CamWnd_Move_Discrete_Disable( CamWnd& camwnd ){
1111         command_disconnect_accelerator( "CameraForward" );
1112         command_disconnect_accelerator( "CameraBack" );
1113         command_disconnect_accelerator( "CameraLeft" );
1114         command_disconnect_accelerator( "CameraRight" );
1115         command_disconnect_accelerator( "CameraStrafeRight" );
1116         command_disconnect_accelerator( "CameraStrafeLeft" );
1117         command_disconnect_accelerator( "CameraUp" );
1118         command_disconnect_accelerator( "CameraDown" );
1119         command_disconnect_accelerator( "CameraAngleUp" );
1120         command_disconnect_accelerator( "CameraAngleDown" );
1121 }
1122
1123 struct CamWnd_Move_Discrete {
1124         static void Export(const Callback<void(bool)> &returnz) {
1125                 returnz(g_camwindow_globals_private.m_bCamDiscrete);
1126         }
1127
1128         static void Import(bool value) {
1129                 if (g_camwnd) {
1130                         Import_(*g_camwnd, value);
1131                 } else {
1132                         g_camwindow_globals_private.m_bCamDiscrete = value;
1133                 }
1134         }
1135
1136         static void Import_(CamWnd &camwnd, bool value) {
1137         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1138                 CamWnd_Move_Discrete_Disable( camwnd );
1139                 } else {
1140                 CamWnd_Move_Disable( camwnd );
1141         }
1142
1143         g_camwindow_globals_private.m_bCamDiscrete = value;
1144
1145         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1146                 CamWnd_Move_Discrete_Enable( camwnd );
1147                 } else {
1148                 CamWnd_Move_Enable( camwnd );
1149         }
1150 }
1151 };
1152
1153
1154 void CamWnd_Add_Handlers_Move( CamWnd& camwnd ){
1155         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press ), camwnd.m_window_observer );
1156         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release ), camwnd.m_window_observer );
1157         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &camwnd.m_deferred_motion );
1158
1159         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( enable_freelook_button_press ), &camwnd );
1160
1161         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1162                 CamWnd_Move_Discrete_Enable( camwnd );
1163         }
1164         else
1165         {
1166                 CamWnd_Move_Enable( camwnd );
1167         }
1168 }
1169
1170 void CamWnd_Remove_Handlers_Move( CamWnd& camwnd ){
1171         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1172         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1173         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1174
1175         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1176
1177         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1178                 CamWnd_Move_Discrete_Disable( camwnd );
1179         }
1180         else
1181         {
1182                 CamWnd_Move_Disable( camwnd );
1183         }
1184 }
1185
1186 void CamWnd_Add_Handlers_FreeMove( CamWnd& camwnd ){
1187         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press_freemove ), camwnd.m_window_observer );
1188         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release_freemove ), camwnd.m_window_observer );
1189         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( selection_motion_freemove ), camwnd.m_window_observer );
1190
1191         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( disable_freelook_button_press ), &camwnd );
1192
1193         KeyEvent_connect( "CameraFreeMoveForward" );
1194         KeyEvent_connect( "CameraFreeMoveBack" );
1195         KeyEvent_connect( "CameraFreeMoveLeft" );
1196         KeyEvent_connect( "CameraFreeMoveRight" );
1197
1198         KeyEvent_connect( "CameraFreeMoveForward2" );
1199         KeyEvent_connect( "CameraFreeMoveBack2" );
1200         KeyEvent_connect( "CameraFreeMoveLeft2" );
1201         KeyEvent_connect( "CameraFreeMoveRight2" );
1202
1203         KeyEvent_connect( "CameraFreeMoveUp" );
1204         KeyEvent_connect( "CameraFreeMoveDown" );
1205
1206         KeyEvent_connect( "CameraFreeFocus" );
1207 }
1208
1209 void CamWnd_Remove_Handlers_FreeMove( CamWnd& camwnd ){
1210         KeyEvent_disconnect( "CameraFreeMoveForward" );
1211         KeyEvent_disconnect( "CameraFreeMoveBack" );
1212         KeyEvent_disconnect( "CameraFreeMoveLeft" );
1213         KeyEvent_disconnect( "CameraFreeMoveRight" );
1214
1215         KeyEvent_disconnect( "CameraFreeMoveForward2" );
1216         KeyEvent_disconnect( "CameraFreeMoveBack2" );
1217         KeyEvent_disconnect( "CameraFreeMoveLeft2" );
1218         KeyEvent_disconnect( "CameraFreeMoveRight2" );
1219
1220         KeyEvent_disconnect( "CameraFreeMoveUp" );
1221         KeyEvent_disconnect( "CameraFreeMoveDown" );
1222
1223         KeyEvent_disconnect( "CameraFreeFocus" );
1224
1225         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1226         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1227         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1228
1229         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1230 }
1231
1232 CamWnd::CamWnd() :
1233         m_view( true ),
1234         m_Camera( &m_view, CamWndQueueDraw( *this ) ),
1235         m_cameraview( m_Camera, &m_view, ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) ),
1236         m_gl_widget( glwidget_new( TRUE ) ),
1237         m_window_observer( NewWindowObserver() ),
1238         m_XORRectangle( m_gl_widget ),
1239         m_deferredDraw( WidgetQueueDrawCaller( m_gl_widget ) ),
1240         m_deferred_motion( selection_motion, m_window_observer ),
1241         m_selection_button_press_handler( 0 ),
1242         m_selection_button_release_handler( 0 ),
1243         m_selection_motion_handler( 0 ),
1244         m_freelook_button_press_handler( 0 ),
1245         m_drawing( false ){
1246         m_bFreeMove = false;
1247
1248         GlobalWindowObservers_add( m_window_observer );
1249         GlobalWindowObservers_connectWidget( m_gl_widget );
1250
1251         m_window_observer->setRectangleDrawCallback( ReferenceCaller<CamWnd, void(rect_t), camwnd_update_xor_rectangle>( *this ) );
1252         m_window_observer->setView( m_view );
1253
1254         g_object_ref( m_gl_widget._handle );
1255
1256         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 );
1257         gtk_widget_set_can_focus( m_gl_widget, true );
1258
1259         m_sizeHandler = m_gl_widget.connect( "size_allocate", G_CALLBACK( camera_size_allocate ), this );
1260         m_exposeHandler = m_gl_widget.on_render( G_CALLBACK( camera_expose ), this );
1261
1262         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
1263
1264         CamWnd_registerCommands( *this );
1265
1266         CamWnd_Add_Handlers_Move( *this );
1267
1268         m_gl_widget.connect( "scroll_event", G_CALLBACK( wheelmove_scroll ), this );
1269
1270         AddSceneChangeCallback( ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) );
1271
1272         PressedButtons_connect( g_pressedButtons, m_gl_widget );
1273 }
1274
1275 CamWnd::~CamWnd(){
1276         if ( m_bFreeMove ) {
1277                 DisableFreeMove();
1278         }
1279
1280         CamWnd_Remove_Handlers_Move( *this );
1281
1282         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
1283         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
1284
1285         m_gl_widget.unref();
1286
1287         m_window_observer->release();
1288 }
1289
1290 class FloorHeightWalker : public scene::Graph::Walker
1291 {
1292 float m_current;
1293 float& m_bestUp;
1294 float& m_bestDown;
1295 public:
1296 FloorHeightWalker( float current, float& bestUp, float& bestDown ) :
1297         m_current( current ), m_bestUp( bestUp ), m_bestDown( bestDown ){
1298         bestUp = g_MaxWorldCoord;
1299         bestDown = -g_MaxWorldCoord;
1300 }
1301 bool pre( const scene::Path& path, scene::Instance& instance ) const {
1302         if ( path.top().get().visible()
1303                  && Node_isBrush( path.top() ) ) { // this node is a floor
1304                 const AABB& aabb = instance.worldAABB();
1305                 float floorHeight = aabb.origin.z() + aabb.extents.z();
1306                 if ( floorHeight > m_current && floorHeight < m_bestUp ) {
1307                         m_bestUp = floorHeight;
1308                 }
1309                 if ( floorHeight < m_current && floorHeight > m_bestDown ) {
1310                         m_bestDown = floorHeight;
1311                 }
1312         }
1313         else if( !path.top().get().visible() ){
1314                 return false;
1315         }
1316         return true;
1317 }
1318 };
1319
1320 void CamWnd::Cam_ChangeFloor( bool up ){
1321         float current = m_Camera.origin[2] - 48;
1322         float bestUp;
1323         float bestDown;
1324         GlobalSceneGraph().traverse( FloorHeightWalker( current, bestUp, bestDown ) );
1325
1326         if ( up && bestUp != g_MaxWorldCoord ) {
1327                 current = bestUp;
1328         }
1329         if ( !up && bestDown != -g_MaxWorldCoord ) {
1330                 current = bestDown;
1331         }
1332
1333         m_Camera.origin[2] = current + 48;
1334         Camera_updateModelview( getCamera() );
1335         CamWnd_Update( *this );
1336         CameraMovedNotify();
1337 }
1338
1339
1340 #if 0
1341
1342 // button_press
1343 Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
1344
1345 // motion
1346 if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
1347          || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
1348         Cam_PositionDrag();
1349         CamWnd_Update( camwnd );
1350         CameraMovedNotify();
1351         return;
1352 }
1353
1354 void CamWnd::Cam_PositionDrag(){
1355         int x, y;
1356
1357         Sys_GetCursorPos( m_gl_widget, &x, &y );
1358         if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
1359                 x -= m_PositionDragCursorX;
1360                 vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
1361                 y -= m_PositionDragCursorY;
1362                 m_Camera.origin[2] -= y;
1363                 Camera_updateModelview();
1364                 CamWnd_Update( camwnd );
1365                 CameraMovedNotify();
1366
1367                 Sys_SetCursorPos( m_parent, m_PositionDragCursorX, m_PositionDragCursorY );
1368         }
1369 }
1370 #endif
1371
1372
1373 // NOTE TTimo if there's an OS-level focus out of the application
1374 //   then we can release the camera cursor grab
1375 static gboolean camwindow_freemove_focusout( ui::Widget widget, GdkEventFocus* event, gpointer data ){
1376         reinterpret_cast<CamWnd*>( data )->DisableFreeMove();
1377         return FALSE;
1378 }
1379
1380 void CamWnd::EnableFreeMove(){
1381         //globalOutputStream() << "EnableFreeMove\n";
1382
1383         ASSERT_MESSAGE( !m_bFreeMove, "EnableFreeMove: free-move was already enabled" );
1384         m_bFreeMove = true;
1385         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1386
1387         CamWnd_Remove_Handlers_Move( *this );
1388         CamWnd_Add_Handlers_FreeMove( *this );
1389
1390         gtk_window_set_focus( m_parent, m_gl_widget );
1391         m_freemove_handle_focusout = m_gl_widget.connect( "focus_out_event", G_CALLBACK( camwindow_freemove_focusout ), this );
1392         m_freezePointer.freeze_pointer( m_parent, m_gl_widget, Camera_motionDelta, &m_Camera );
1393
1394         CamWnd_Update( *this );
1395 }
1396
1397 void CamWnd::DisableFreeMove(){
1398         //globalOutputStream() << "DisableFreeMove\n";
1399
1400         ASSERT_MESSAGE( m_bFreeMove, "DisableFreeMove: free-move was not enabled" );
1401         m_bFreeMove = false;
1402         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1403
1404         CamWnd_Remove_Handlers_FreeMove( *this );
1405         CamWnd_Add_Handlers_Move( *this );
1406
1407         m_freezePointer.unfreeze_pointer( m_parent, true );
1408         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_freemove_handle_focusout );
1409
1410         CamWnd_Update( *this );
1411 }
1412
1413
1414 #include "renderer.h"
1415
1416 class CamRenderer : public Renderer
1417 {
1418 struct state_type
1419 {
1420         state_type() : m_highlight( 0 ), m_state( 0 ), m_lights( 0 ){
1421         }
1422         unsigned int m_highlight;
1423         Shader* m_state;
1424         const LightList* m_lights;
1425 };
1426
1427 std::vector<state_type> m_state_stack;
1428 RenderStateFlags m_globalstate;
1429 Shader* m_state_select0;
1430 Shader* m_state_select1;
1431 const Vector3& m_viewer;
1432
1433 public:
1434 CamRenderer( RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer ) :
1435         m_globalstate( globalstate ),
1436         m_state_select0( select0 ),
1437         m_state_select1( select1 ),
1438         m_viewer( viewer ){
1439         ASSERT_NOTNULL( select0 );
1440         ASSERT_NOTNULL( select1 );
1441         m_state_stack.push_back( state_type() );
1442 }
1443
1444 void SetState( Shader* state, EStyle style ){
1445         ASSERT_NOTNULL( state );
1446         if ( style == eFullMaterials ) {
1447                 m_state_stack.back().m_state = state;
1448         }
1449 }
1450 EStyle getStyle() const {
1451         return eFullMaterials;
1452 }
1453 void PushState(){
1454         m_state_stack.push_back( m_state_stack.back() );
1455 }
1456 void PopState(){
1457         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
1458         m_state_stack.pop_back();
1459 }
1460 void Highlight( EHighlightMode mode, bool bEnable = true ){
1461         ( bEnable )
1462         ? m_state_stack.back().m_highlight |= mode
1463                                                                                   : m_state_stack.back().m_highlight &= ~mode;
1464 }
1465 void setLights( const LightList& lights ){
1466         m_state_stack.back().m_lights = &lights;
1467 }
1468 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& world ){
1469         if ( m_state_stack.back().m_highlight & ePrimitive ) {
1470                 m_state_select0->addRenderable( renderable, world, m_state_stack.back().m_lights );
1471         }
1472         if ( m_state_stack.back().m_highlight & eFace ) {
1473                 m_state_select1->addRenderable( renderable, world, m_state_stack.back().m_lights );
1474         }
1475
1476         m_state_stack.back().m_state->addRenderable( renderable, world, m_state_stack.back().m_lights );
1477 }
1478
1479 void render( const Matrix4& modelview, const Matrix4& projection ){
1480         GlobalShaderCache().render( m_globalstate, modelview, projection, m_viewer );
1481 }
1482 };
1483
1484 /*
1485    ==============
1486    Cam_Draw
1487    ==============
1488  */
1489 /*
1490 void ShowStatsToggle(){
1491         g_camwindow_globals_private.m_showStats ^= 1;
1492 }
1493
1494 void ShowStatsExport( const Callback<void(bool)> &importer ){
1495         importer( g_camwindow_globals_private.m_showStats );
1496 }
1497
1498 FreeCaller<void(const Callback<void(bool)>&), ShowStatsExport> g_show_stats_caller;
1499 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1500 ToggleItem g_show_stats( g_show_stats_callback );
1501 */
1502
1503 void ShowStatsToggle(){
1504         g_camwindow_globals_private.m_showStats ^= 1;
1505 //      g_show_stats.update();
1506         UpdateAllWindows();
1507 }
1508 typedef FreeCaller<void(), ShowStatsToggle> ShowStatsToggleCaller;
1509 void ShowStatsExport( const Callback<void(bool)> & importer ){
1510         importer( g_camwindow_globals_private.m_showStats );
1511 }
1512 typedef FreeCaller<void(const Callback<void(bool)> &), ShowStatsExport> ShowStatsExportCaller;
1513
1514 ShowStatsExportCaller g_show_stats_caller;
1515 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1516 ToggleItem g_show_stats( g_show_stats_callback );
1517
1518 void CamWnd::Cam_Draw(){
1519         glViewport( 0, 0, m_Camera.width, m_Camera.height );
1520 #if 0
1521         GLint viewprt[4];
1522         glGetIntegerv( GL_VIEWPORT, viewprt );
1523 #endif
1524
1525         // enable depth buffer writes
1526         glDepthMask( GL_TRUE );
1527         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1528
1529         Vector3 clearColour( 0, 0, 0 );
1530         if ( m_Camera.draw_mode != cd_lighting ) {
1531                 clearColour = g_camwindow_globals.color_cameraback;
1532         }
1533
1534         glClearColor( clearColour[0], clearColour[1], clearColour[2], 0 );
1535         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1536
1537         extern void Renderer_ResetStats();
1538         Renderer_ResetStats();
1539         extern void Cull_ResetStats();
1540         Cull_ResetStats();
1541
1542         glMatrixMode( GL_PROJECTION );
1543         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.projection ) );
1544
1545         glMatrixMode( GL_MODELVIEW );
1546         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.modelview ) );
1547
1548
1549         // one directional light source directly behind the viewer
1550         {
1551                 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
1552
1553                 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1554                 ambient[3] = 1.0f;
1555                 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1556                 diffuse[3] = 1.0f;
1557                 //material[0] = material[1] = material[2] = 0.8f;
1558                 //material[3] = 1.0f;
1559
1560                 inverse_cam_dir[0] = m_Camera.vpn[0];
1561                 inverse_cam_dir[1] = m_Camera.vpn[1];
1562                 inverse_cam_dir[2] = m_Camera.vpn[2];
1563                 inverse_cam_dir[3] = 0;
1564
1565                 glLightfv( GL_LIGHT0, GL_POSITION, inverse_cam_dir );
1566
1567                 glLightfv( GL_LIGHT0, GL_AMBIENT, ambient );
1568                 glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse );
1569
1570                 glEnable( GL_LIGHT0 );
1571         }
1572
1573
1574         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;
1575         switch ( m_Camera.draw_mode )
1576         {
1577         case cd_wire:
1578                 break;
1579         case cd_solid:
1580                 globalstate |= RENDER_FILL
1581                                            | RENDER_LIGHTING
1582                                            | RENDER_SMOOTH
1583                                            | RENDER_SCALED;
1584                 break;
1585         case cd_texture:
1586                 globalstate |= RENDER_FILL
1587                                            | RENDER_LIGHTING
1588                                            | RENDER_TEXTURE
1589                                            | RENDER_SMOOTH
1590                                            | RENDER_SCALED;
1591                 break;
1592         case cd_lighting:
1593                 globalstate |= RENDER_FILL
1594                                            | RENDER_LIGHTING
1595                                            | RENDER_TEXTURE
1596                                            | RENDER_SMOOTH
1597                                            | RENDER_SCALED
1598                                            | RENDER_BUMP
1599                                            | RENDER_PROGRAM
1600                                            | RENDER_SCREEN;
1601                 break;
1602         default:
1603                 globalstate = 0;
1604                 break;
1605         }
1606
1607 //      if ( !g_xywindow_globals.m_bNoStipple ) {
1608                 globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
1609 //      }
1610
1611         {
1612                 CamRenderer renderer( globalstate, m_state_select2, m_state_select1, m_view.getViewer() );
1613
1614                 Scene_Render( renderer, m_view );
1615
1616                 renderer.render( m_Camera.modelview, m_Camera.projection );
1617         }
1618
1619         // prepare for 2d stuff
1620         glColor4f( 1, 1, 1, 1 );
1621         glDisable( GL_BLEND );
1622         glMatrixMode( GL_PROJECTION );
1623         glLoadIdentity();
1624         glOrtho( 0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100 );
1625         glScalef( 1, -1, 1 );
1626         glTranslatef( 0, -(float)m_Camera.height, 0 );
1627         glMatrixMode( GL_MODELVIEW );
1628         glLoadIdentity();
1629
1630         if ( GlobalOpenGL().GL_1_3() ) {
1631                 glClientActiveTexture( GL_TEXTURE0 );
1632                 glActiveTexture( GL_TEXTURE0 );
1633         }
1634
1635         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
1636         glDisableClientState( GL_NORMAL_ARRAY );
1637         glDisableClientState( GL_COLOR_ARRAY );
1638
1639         glDisable( GL_TEXTURE_2D );
1640         glDisable( GL_LIGHTING );
1641         glDisable( GL_COLOR_MATERIAL );
1642         glDisable( GL_DEPTH_TEST );
1643         glColor3f( 1.f, 1.f, 1.f );
1644         glLineWidth( 1 );
1645
1646         // draw the crosshair
1647         if ( m_bFreeMove ) {
1648                 glBegin( GL_LINES );
1649                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1650                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1651                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1652                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1653                 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1654                 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1655                 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1656                 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1657                 glEnd();
1658         }
1659
1660         if ( g_camwindow_globals_private.m_showStats ) {
1661                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f );
1662                 extern const char* Renderer_GetStats();
1663                 GlobalOpenGL().drawString( Renderer_GetStats() );
1664
1665                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() - GlobalOpenGL().m_font->getPixelHeight(), 0.0f );
1666                 extern const char* Cull_GetStats();
1667                 GlobalOpenGL().drawString( Cull_GetStats() );
1668         }
1669
1670         // bind back to the default texture so that we don't have problems
1671         // elsewhere using/modifying texture maps between contexts
1672         glBindTexture( GL_TEXTURE_2D, 0 );
1673 }
1674
1675 void CamWnd::draw(){
1676         m_drawing = true;
1677
1678         //globalOutputStream() << "draw...\n";
1679         if ( glwidget_make_current( m_gl_widget ) != FALSE ) {
1680                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
1681                         GlobalOpenGL_debugAssertNoErrors();
1682                         Cam_Draw();
1683                         GlobalOpenGL_debugAssertNoErrors();
1684                         //qglFinish();
1685
1686                         m_XORRectangle.set( rectangle_t() );
1687                 }
1688
1689                 glwidget_swap_buffers( m_gl_widget );
1690         }
1691
1692         m_drawing = false;
1693 }
1694
1695 void CamWnd::BenchMark(){
1696         double dStart = Sys_DoubleTime();
1697         for ( int i = 0 ; i < 100 ; i++ )
1698         {
1699                 Vector3 angles;
1700                 angles[CAMERA_ROLL] = 0;
1701                 angles[CAMERA_PITCH] = 0;
1702                 angles[CAMERA_YAW] = static_cast<float>( i * ( 360.0 / 100.0 ) );
1703                 Camera_setAngles( *this, angles );
1704         }
1705         double dEnd = Sys_DoubleTime();
1706         globalOutputStream() << FloatFormat( dEnd - dStart, 5, 2 ) << " seconds\n";
1707 }
1708
1709
1710 void GlobalCamera_ResetAngles(){
1711         CamWnd& camwnd = *g_camwnd;
1712         Vector3 angles;
1713         angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1714         angles[CAMERA_YAW] = static_cast<float>( 22.5 * floor( ( Camera_getAngles( camwnd )[CAMERA_YAW] + 11 ) / 22.5 ) );
1715         Camera_setAngles( camwnd, angles );
1716 }
1717
1718 #include "select.h"
1719
1720 Vector3 Camera_getFocusPos( camera_t& camera ){
1721         Vector3 camorigin( Camera_getOrigin( camera ) );
1722         AABB aabb( aabb_for_minmax( Select_getWorkZone().d_work_min, Select_getWorkZone().d_work_max ) );
1723         View& view = *( camera.m_view );
1724 #if 0
1725         Vector3 angles( Camera_getAngles( camera ) );
1726         Vector3 radangles( degrees_to_radians( angles[0] ), degrees_to_radians( angles[1] ), degrees_to_radians( angles[2] ) );
1727         Vector3 viewvector;
1728         viewvector[0] = cos( radangles[1] ) * cos( radangles[0] );
1729         viewvector[1] = sin( radangles[1] ) * cos( radangles[0] );
1730         viewvector[2] = sin( radangles[0] );
1731 #elif 0
1732         Vector3 viewvector( -view.GetModelview()[2], -view.GetModelview()[6], -view.GetModelview()[10] );
1733 #elif 1
1734         Vector3 viewvector( -camera.vpn );
1735 #endif
1736
1737         Plane3 frustumPlanes[4];
1738         frustumPlanes[0] = plane3_translated( view.getFrustum().left, camorigin - aabb.origin );
1739         frustumPlanes[1] = plane3_translated( view.getFrustum().right, camorigin - aabb.origin );
1740         frustumPlanes[2] = plane3_translated( view.getFrustum().top, camorigin - aabb.origin );
1741         frustumPlanes[3] = plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin );
1742
1743         float offset = 64.0f;
1744
1745         Vector3 corners[8];
1746         aabb_corners( aabb, corners );
1747
1748         for ( size_t i = 0; i < 4; ++i ){
1749                 for ( size_t j = 0; j < 8; ++j ){
1750                         Ray ray( aabb.origin, -viewvector );
1751                         //Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] - frustumPlanes[i].normal() * 16.0f ) );
1752                         Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] ) );
1753                         float d = vector3_dot( ray.direction, newplane.normal() );
1754                         if( d != 0 ){
1755                                 float s = vector3_dot( newplane.normal() * newplane.dist() - ray.origin, newplane.normal() ) / d;
1756                                 offset = std::max( offset, s );
1757                         }
1758                 }
1759         }
1760         return ( aabb.origin - viewvector * offset );
1761 }
1762
1763 void GlobalCamera_FocusOnSelected(){
1764         Camera_setOrigin( *g_camwnd, Camera_getFocusPos( g_camwnd->getCamera() ) );
1765 }
1766
1767 void Camera_ChangeFloorUp(){
1768         CamWnd& camwnd = *g_camwnd;
1769         camwnd.Cam_ChangeFloor( true );
1770 }
1771
1772 void Camera_ChangeFloorDown(){
1773         CamWnd& camwnd = *g_camwnd;
1774         camwnd.Cam_ChangeFloor( false );
1775 }
1776
1777 void Camera_CubeIn(){
1778         CamWnd& camwnd = *g_camwnd;
1779         g_camwindow_globals.m_nCubicScale--;
1780         if ( g_camwindow_globals.m_nCubicScale < 1 ) {
1781                 g_camwindow_globals.m_nCubicScale = 1;
1782         }
1783         Camera_updateProjection( camwnd.getCamera() );
1784         CamWnd_Update( camwnd );
1785         g_pParentWnd->SetGridStatus();
1786 }
1787
1788 void Camera_CubeOut(){
1789         CamWnd& camwnd = *g_camwnd;
1790         g_camwindow_globals.m_nCubicScale++;
1791         if ( g_camwindow_globals.m_nCubicScale > 23 ) {
1792                 g_camwindow_globals.m_nCubicScale = 23;
1793         }
1794         Camera_updateProjection( camwnd.getCamera() );
1795         CamWnd_Update( camwnd );
1796         g_pParentWnd->SetGridStatus();
1797 }
1798
1799 bool Camera_GetFarClip(){
1800         return g_camwindow_globals_private.m_bCubicClipping;
1801 }
1802
1803 ConstReferenceCaller<bool, void(const Callback<void(bool)> &), PropertyImpl<bool>::Export> g_getfarclip_caller( g_camwindow_globals_private.m_bCubicClipping );
1804 ToggleItem g_getfarclip_item( g_getfarclip_caller );
1805
1806 void Camera_SetFarClip( bool value ){
1807         CamWnd& camwnd = *g_camwnd;
1808         g_camwindow_globals_private.m_bCubicClipping = value;
1809         g_getfarclip_item.update();
1810         Camera_updateProjection( camwnd.getCamera() );
1811         CamWnd_Update( camwnd );
1812 }
1813
1814 struct Camera_FarClip {
1815         static void Export(const Callback<void(bool)> &returnz) {
1816                 returnz(g_camwindow_globals_private.m_bCubicClipping);
1817         }
1818
1819         static void Import(bool value) {
1820                 Camera_SetFarClip(value);
1821         }
1822 };
1823
1824 void Camera_ToggleFarClip(){
1825         Camera_SetFarClip( !Camera_GetFarClip() );
1826 }
1827
1828
1829 void CamWnd_constructToolbar( ui::Toolbar toolbar ){
1830         toolbar_append_toggle_button( toolbar, "Cubic clip the camera view (Ctrl + \\)", "view_cubicclipping.png", "ToggleCubicClip" );
1831 }
1832
1833 void CamWnd_registerShortcuts(){
1834         toggle_add_accelerator( "ToggleCubicClip" );
1835
1836         if ( g_pGameDescription->mGameType == "doom3" ) {
1837                 command_connect_accelerator( "TogglePreview" );
1838         }
1839
1840         command_connect_accelerator( "CameraSpeedInc" );
1841         command_connect_accelerator( "CameraSpeedDec" );
1842 }
1843
1844
1845 void GlobalCamera_Benchmark(){
1846         CamWnd& camwnd = *g_camwnd;
1847         camwnd.BenchMark();
1848 }
1849
1850 void GlobalCamera_Update(){
1851         CamWnd& camwnd = *g_camwnd;
1852         CamWnd_Update( camwnd );
1853 }
1854
1855 camera_draw_mode CamWnd_GetMode(){
1856         return camera_t::draw_mode;
1857 }
1858 void CamWnd_SetMode( camera_draw_mode mode ){
1859         ShaderCache_setBumpEnabled( mode == cd_lighting );
1860         camera_t::draw_mode = mode;
1861         if ( g_camwnd != 0 ) {
1862                 CamWnd_Update( *g_camwnd );
1863         }
1864 }
1865
1866 void CamWnd_TogglePreview( void ){
1867         // gametype must be doom3 for this function to work
1868         // if the gametype is not doom3 something is wrong with the
1869         // global command list or somebody else calls this function.
1870         ASSERT_MESSAGE( g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible" );
1871
1872         // switch between textured and lighting mode
1873         CamWnd_SetMode( ( CamWnd_GetMode() == cd_lighting ) ? cd_texture : cd_lighting );
1874 }
1875
1876
1877 CameraModel* g_camera_model = 0;
1878
1879 void CamWnd_LookThroughCamera( CamWnd& camwnd ){
1880         if ( g_camera_model != 0 ) {
1881                 CamWnd_Add_Handlers_Move( camwnd );
1882                 g_camera_model->setCameraView( 0, Callback<void()>() );
1883                 g_camera_model = 0;
1884                 Camera_updateModelview( camwnd.getCamera() );
1885                 Camera_updateProjection( camwnd.getCamera() );
1886                 CamWnd_Update( camwnd );
1887         }
1888 }
1889
1890 inline CameraModel* Instance_getCameraModel( scene::Instance& instance ){
1891         return InstanceTypeCast<CameraModel>::cast( instance );
1892 }
1893
1894 void CamWnd_LookThroughSelected( CamWnd& camwnd ){
1895         if ( g_camera_model != 0 ) {
1896                 CamWnd_LookThroughCamera( camwnd );
1897         }
1898
1899         if ( GlobalSelectionSystem().countSelected() != 0 ) {
1900                 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1901                 CameraModel* cameraModel = Instance_getCameraModel( instance );
1902                 if ( cameraModel != 0 ) {
1903                         CamWnd_Remove_Handlers_Move( camwnd );
1904                         g_camera_model = cameraModel;
1905                         g_camera_model->setCameraView( &camwnd.getCameraView(), ReferenceCaller<CamWnd, void(), CamWnd_LookThroughCamera>( camwnd ) );
1906                 }
1907         }
1908 }
1909
1910 void GlobalCamera_LookThroughSelected(){
1911         CamWnd_LookThroughSelected( *g_camwnd );
1912 }
1913
1914 void GlobalCamera_LookThroughCamera(){
1915         CamWnd_LookThroughCamera( *g_camwnd );
1916 }
1917
1918 struct RenderMode {
1919         static void Export(const Callback<void(int)> &returnz) {
1920                 switch (CamWnd_GetMode()) {
1921                         case cd_wire:
1922                                 returnz(0);
1923                                 break;
1924                         case cd_solid:
1925                                 returnz(1);
1926                                 break;
1927                         case cd_texture:
1928                                 returnz(2);
1929                                 break;
1930                         case cd_lighting:
1931                                 returnz(3);
1932                                 break;
1933                 }
1934         }
1935
1936         static void Import(int value) {
1937                 switch (value) {
1938         case 0:
1939                 CamWnd_SetMode( cd_wire );
1940                 break;
1941         case 1:
1942                 CamWnd_SetMode( cd_solid );
1943                 break;
1944         case 2:
1945                 CamWnd_SetMode( cd_texture );
1946                 break;
1947         case 3:
1948                 CamWnd_SetMode( cd_lighting );
1949                 break;
1950         default:
1951                 CamWnd_SetMode( cd_texture );
1952         }
1953 }
1954 };
1955
1956 void Camera_constructPreferences( PreferencesPage& page ){
1957         page.appendSlider( "Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10 );
1958         page.appendCheckBox( "", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed );
1959         page.appendSlider( "Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10 );
1960         page.appendCheckBox( "", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse );
1961         page.appendCheckBox( "", "Zoom In to Mouse pointer", g_camwindow_globals.m_bZoomInToPointer );
1962         page.appendCheckBox(
1963                 "", "Discrete movement",
1964                 make_property<CamWnd_Move_Discrete>()
1965                 );
1966         page.appendCheckBox(
1967                 "", "Enable far-clip plane",
1968                 make_property<Camera_FarClip>()
1969                 );
1970
1971         if ( g_pGameDescription->mGameType == "doom3" ) {
1972                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1973
1974                 page.appendCombo(
1975                         "Render Mode",
1976                         STRING_ARRAY_RANGE( render_mode ),
1977                         make_property<RenderMode>()
1978                         );
1979         }
1980         else
1981         {
1982                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1983
1984                 page.appendCombo(
1985                         "Render Mode",
1986                         STRING_ARRAY_RANGE( render_mode ),
1987                         make_property<RenderMode>()
1988                         );
1989         }
1990
1991         const char* strafe_mode[] = { "None", "Up", "Forward", "Both", "Both Inverted" };
1992
1993         page.appendCombo(
1994                 "Strafe Mode",
1995                 g_camwindow_globals_private.m_nStrafeMode,
1996                 STRING_ARRAY_RANGE( strafe_mode )
1997                 );
1998 }
1999 void Camera_constructPage( PreferenceGroup& group ){
2000         PreferencesPage page( group.createPage( "Camera", "Camera View Preferences" ) );
2001         Camera_constructPreferences( page );
2002 }
2003 void Camera_registerPreferencesPage(){
2004         PreferencesDialog_addSettingsPage( makeCallbackF(Camera_constructPage) );
2005 }
2006
2007 #include "preferencesystem.h"
2008 #include "stringio.h"
2009 #include "dialog.h"
2010
2011 void CameraSpeed_increase(){
2012         if ( g_camwindow_globals_private.m_nMoveSpeed <= ( MAX_CAM_SPEED - CAM_SPEED_STEP - 10 ) ) {
2013                 g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
2014         }
2015         else {
2016                 g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
2017         }
2018 }
2019
2020 void CameraSpeed_decrease(){
2021         if ( g_camwindow_globals_private.m_nMoveSpeed >= ( MIN_CAM_SPEED + CAM_SPEED_STEP ) ) {
2022                 g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
2023         }
2024         else {
2025                 g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
2026         }
2027 }
2028
2029 /// \brief Initialisation for things that have the same lifespan as this module.
2030 void CamWnd_Construct(){
2031         GlobalCommands_insert( "CenterView", makeCallbackF(GlobalCamera_ResetAngles), Accelerator( GDK_KEY_End ) );
2032         GlobalCommands_insert( "CameraFocusOnSelected", makeCallbackF( GlobalCamera_FocusOnSelected ), Accelerator( GDK_Tab ) );
2033
2034         GlobalToggles_insert( "ToggleCubicClip", makeCallbackF(Camera_ToggleFarClip), ToggleItem::AddCallbackCaller( g_getfarclip_item ), Accelerator( '\\', (GdkModifierType)GDK_CONTROL_MASK ) );
2035         GlobalCommands_insert( "CubicClipZoomIn", makeCallbackF(Camera_CubeIn), Accelerator( '[', (GdkModifierType)GDK_CONTROL_MASK ) );
2036         GlobalCommands_insert( "CubicClipZoomOut", makeCallbackF(Camera_CubeOut), Accelerator( ']', (GdkModifierType)GDK_CONTROL_MASK ) );
2037
2038         GlobalCommands_insert( "UpFloor", makeCallbackF(Camera_ChangeFloorUp), Accelerator( GDK_KEY_Prior ) );
2039         GlobalCommands_insert( "DownFloor", makeCallbackF(Camera_ChangeFloorDown), Accelerator( GDK_KEY_Next ) );
2040
2041         GlobalToggles_insert( "ToggleCamera", ToggleShown::ToggleCaller( g_camera_shown ), ToggleItem::AddCallbackCaller( g_camera_shown.m_item ), Accelerator( 'C', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2042 //      GlobalCommands_insert( "LookThroughSelected", makeCallbackF(GlobalCamera_LookThroughSelected) );
2043 //      GlobalCommands_insert( "LookThroughCamera", makeCallbackF(GlobalCamera_LookThroughCamera) );
2044
2045         if ( g_pGameDescription->mGameType == "doom3" ) {
2046                 GlobalCommands_insert( "TogglePreview", makeCallbackF(CamWnd_TogglePreview), Accelerator( GDK_KEY_F3 ) );
2047         }
2048
2049         GlobalCommands_insert( "CameraSpeedInc", makeCallbackF(CameraSpeed_increase), Accelerator( GDK_KEY_KP_Add, (GdkModifierType)GDK_SHIFT_MASK ) );
2050         GlobalCommands_insert( "CameraSpeedDec", makeCallbackF(CameraSpeed_decrease), Accelerator( GDK_KEY_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK ) );
2051
2052         GlobalShortcuts_insert( "CameraForward", Accelerator( GDK_KEY_Up ) );
2053         GlobalShortcuts_insert( "CameraBack", Accelerator( GDK_KEY_Down ) );
2054         GlobalShortcuts_insert( "CameraLeft", Accelerator( GDK_KEY_Left ) );
2055         GlobalShortcuts_insert( "CameraRight", Accelerator( GDK_KEY_Right ) );
2056         GlobalShortcuts_insert( "CameraStrafeRight", Accelerator( 'D' ) );
2057         GlobalShortcuts_insert( "CameraStrafeLeft", Accelerator( 'A' ) );
2058
2059         GlobalShortcuts_insert( "CameraUp", accelerator_null() );
2060         GlobalShortcuts_insert( "CameraDown", accelerator_null() );
2061         GlobalShortcuts_insert( "CameraAngleUp", accelerator_null() );
2062         GlobalShortcuts_insert( "CameraAngleDown", accelerator_null() );
2063
2064         GlobalShortcuts_insert( "CameraFreeMoveForward", Accelerator( 'W' ) );
2065         GlobalShortcuts_insert( "CameraFreeMoveBack", Accelerator( 'S' ) );
2066         GlobalShortcuts_insert( "CameraFreeMoveLeft", Accelerator( 'A' ) );
2067         GlobalShortcuts_insert( "CameraFreeMoveRight", Accelerator( 'D' ) );
2068
2069         GlobalShortcuts_insert( "CameraFreeMoveForward2", Accelerator( GDK_KEY_Up ) );
2070         GlobalShortcuts_insert( "CameraFreeMoveBack2", Accelerator( GDK_KEY_Down ) );
2071         GlobalShortcuts_insert( "CameraFreeMoveLeft2", Accelerator( GDK_KEY_Left ) );
2072         GlobalShortcuts_insert( "CameraFreeMoveRight2", Accelerator( GDK_KEY_Right ) );
2073
2074         GlobalShortcuts_insert( "CameraFreeMoveUp", accelerator_null() );
2075         GlobalShortcuts_insert( "CameraFreeMoveDown", accelerator_null() );
2076
2077         GlobalShortcuts_insert( "CameraFreeFocus", Accelerator( GDK_Tab ) );
2078
2079         GlobalToggles_insert( "ShowStats", makeCallbackF(ShowStatsToggle), ToggleItem::AddCallbackCaller( g_show_stats ) );
2080
2081         GlobalPreferenceSystem().registerPreference( "ShowStats", make_property_string( g_camwindow_globals_private.m_showStats ) );
2082         GlobalPreferenceSystem().registerPreference( "MoveSpeed", make_property_string( g_camwindow_globals_private.m_nMoveSpeed ) );
2083         GlobalPreferenceSystem().registerPreference( "CamLinkSpeed", make_property_string( g_camwindow_globals_private.m_bCamLinkSpeed ) );
2084         GlobalPreferenceSystem().registerPreference( "AngleSpeed", make_property_string( g_camwindow_globals_private.m_nAngleSpeed ) );
2085         GlobalPreferenceSystem().registerPreference( "CamInverseMouse", make_property_string( g_camwindow_globals_private.m_bCamInverseMouse ) );
2086         GlobalPreferenceSystem().registerPreference( "CamDiscrete", make_property_string<CamWnd_Move_Discrete>());
2087         GlobalPreferenceSystem().registerPreference( "CubicClipping", make_property_string( g_camwindow_globals_private.m_bCubicClipping ) );
2088         GlobalPreferenceSystem().registerPreference( "CubicScale", make_property_string( g_camwindow_globals.m_nCubicScale ) );
2089         GlobalPreferenceSystem().registerPreference( "SI_Colors4", make_property_string( g_camwindow_globals.color_cameraback ) );
2090         GlobalPreferenceSystem().registerPreference( "SI_Colors12", make_property_string( g_camwindow_globals.color_selbrushes3d ) );
2091         GlobalPreferenceSystem().registerPreference( "CameraRenderMode", make_property_string<RenderMode>() );
2092         GlobalPreferenceSystem().registerPreference( "StrafeMode", make_property_string( g_camwindow_globals_private.m_nStrafeMode ) );
2093         GlobalPreferenceSystem().registerPreference( "3DZoomInToPointer", make_property_string( g_camwindow_globals.m_bZoomInToPointer ) );
2094
2095         CamWnd_constructStatic();
2096
2097         Camera_registerPreferencesPage();
2098 }
2099 void CamWnd_Destroy(){
2100         CamWnd_destroyStatic();
2101 }