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