radiant/camwindow.cpp

   1 /*
   2    Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   3    For a list of contributors, see the accompanying CONTRIBUTORS file.
   4
   5    This file is part of GtkRadiant.
   6
   7    GtkRadiant is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    GtkRadiant is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GtkRadiant; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 //
  23 // Camera Window
  24 //
  25 // Leonardo Zide (leo@lokigames.com)
  26 //
  27
  28 #include "camwindow.h"
  29
  30 #include <gtk/gtk.h>
  31 #include <gdk/gdkkeysyms.h>
  32
  33 #include "debugging/debugging.h"
  34
  35 #include "iscenegraph.h"
  36 #include "irender.h"
  37 #include "igl.h"
  38 #include "icamera.h"
  39 #include "cullable.h"
  40 #include "renderable.h"
  41 #include "preferencesystem.h"
  42
  43 #include "signal/signal.h"
  44 #include "container/array.h"
  45 #include "scenelib.h"
  46 #include "render.h"
  47 #include "cmdlib.h"
  48 #include "math/frustum.h"
  49
  50 #include "gtkutil/widget.h"
  51 #include "gtkutil/button.h"
  52 #include "gtkutil/toolbar.h"
  53 #include "gtkutil/glwidget.h"
  54 #include "gtkutil/xorrectangle.h"
  55 #include "gtkmisc.h"
  56 #include "selection.h"
  57 #include "mainframe.h"
  58 #include "preferences.h"
  59 #include "commands.h"
  60 #include "xywindow.h"
  61 #include "windowobservers.h"
  62 #include "renderstate.h"
  63
  64 #include "timer.h"
  65
  66 Signal0 g_cameraMoved_callbacks;
  67
  68 void AddCameraMovedCallback( const SignalHandler& handler ){
  69         g_cameraMoved_callbacks.connectLast( handler );
  70 }
  71
  72 void CameraMovedNotify(){
  73         g_cameraMoved_callbacks();
  74 }
  75
  76
  77 struct camwindow_globals_private_t
  78 {
  79         int m_nFOV;
  80         int m_nMoveSpeed;
  81         bool m_bCamLinkSpeed;
  82         int m_nAngleSpeed;
  83         bool m_bCamInverseMouse;
  84         bool m_bCamDiscrete;
  85         bool m_bCubicClipping;
  86         bool m_showStats;
  87         int m_nStrafeMode;
  88
  89         camwindow_globals_private_t() :
  90                 m_nFOV( 110 ),
  91                 m_nMoveSpeed( 100 ),
  92                 m_bCamLinkSpeed( true ),
  93                 m_nAngleSpeed( 3 ),
  94                 m_bCamInverseMouse( false ),
  95                 m_bCamDiscrete( true ),
  96                 m_bCubicClipping( false ),
  97                 m_showStats( true ),
  98                 m_nStrafeMode( 3 ){
  99         }
 100
 101 };
 102
 103 camwindow_globals_private_t g_camwindow_globals_private;
 104
 105
 106 const Matrix4 g_opengl2radiant(
 107         0, 0,-1, 0,
 108         -1, 0, 0, 0,
 109         0, 1, 0, 0,
 110         0, 0, 0, 1
 111         );
 112
 113 const Matrix4 g_radiant2opengl(
 114         0,-1, 0, 0,
 115         0, 0, 1, 0,
 116         -1, 0, 0, 0,
 117         0, 0, 0, 1
 118         );
 119
 120 struct camera_t;
 121 void Camera_mouseMove( camera_t& camera, int x, int y );
 122
 123 enum camera_draw_mode
 124 {
 125         cd_wire,
 126         cd_solid,
 127         cd_texture,
 128         cd_lighting
 129 };
 130
 131 struct camera_t
 132 {
 133         int width, height;
 134
 135         bool timing;
 136
 137         Vector3 origin;
 138         Vector3 angles;
 139
 140         Vector3 color; // background
 141
 142         Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
 143         Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
 144
 145         Matrix4 projection;
 146         Matrix4 modelview;
 147
 148         bool m_strafe; // true when in strafemode toggled by the ctrl-key
 149         bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
 150         bool m_strafe_forward_invert; //silly option to invert forward strafing to support old fegs
 151
 152         unsigned int movementflags; // movement flags
 153         Timer m_keycontrol_timer;
 154         guint m_keymove_handler;
 155
 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                 projection( g_matrix4_identity ),
 176                 modelview( g_matrix4_identity ),
 177                 movementflags( 0 ),
 178                 m_keycontrol_timer(),
 179                 m_keymove_handler( 0 ),
 180                 m_mouseMove( motionDelta, this ),
 181                 m_view( view ),
 182                 m_update( update ){
 183         }
 184 };
 185
 186 camera_draw_mode camera_t::draw_mode = cd_texture;
 187
 188 inline Matrix4 projection_for_camera( float near_z, float far_z, float fieldOfView, int width, int height ){
 189         const float half_width = static_cast<float>( near_z * tan( degrees_to_radians( fieldOfView * 0.5 ) ) );
 190         const float half_height = half_width * ( static_cast<float>( height ) / static_cast<float>( width ) );
 191
 192         return matrix4_frustum(
 193                            -half_width,
 194                            half_width,
 195                            -half_height,
 196                            half_height,
 197                            near_z,
 198                            far_z
 199                            );
 200 }
 201
 202 float Camera_getFarClipPlane( camera_t& camera ){
 203         return ( g_camwindow_globals_private.m_bCubicClipping ) ? pow( 2.0, ( g_camwindow_globals.m_nCubicScale + 7 ) / 2.0 ) : 32768.0f;
 204 }
 205
 206 void Camera_updateProjection( camera_t& camera ){
 207         float farClip = Camera_getFarClipPlane( camera );
 208         camera.projection = projection_for_camera( farClip / 4096.0f, farClip, (float)g_camwindow_globals_private.m_nFOV, camera.width, camera.height );
 209
 210         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 211 }
 212
 213 void Camera_updateVectors( camera_t& camera ){
 214         for ( int i = 0 ; i < 3 ; i++ )
 215         {
 216                 camera.vright[i] = camera.modelview[( i << 2 ) + 0];
 217                 camera.vup[i] = camera.modelview[( i << 2 ) + 1];
 218                 camera.vpn[i] = camera.modelview[( i << 2 ) + 2];
 219         }
 220 }
 221
 222 void Camera_updateModelview( camera_t& camera ){
 223         camera.modelview = g_matrix4_identity;
 224
 225         // roll, pitch, yaw
 226         Vector3 radiant_eulerXYZ( 0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW] );
 227
 228         matrix4_translate_by_vec3( camera.modelview, camera.origin );
 229         matrix4_rotate_by_euler_xyz_degrees( camera.modelview, radiant_eulerXYZ );
 230         matrix4_multiply_by_matrix4( camera.modelview, g_radiant2opengl );
 231         matrix4_affine_invert( camera.modelview );
 232
 233         Camera_updateVectors( camera );
 234
 235         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 236 }
 237
 238
 239 void Camera_Move_updateAxes( camera_t& camera ){
 240         double ya = degrees_to_radians( camera.angles[CAMERA_YAW] );
 241
 242         // the movement matrix is kept 2d
 243         camera.forward[0] = static_cast<float>( cos( ya ) );
 244         camera.forward[1] = static_cast<float>( sin( ya ) );
 245         camera.forward[2] = 0;
 246         camera.right[0] = camera.forward[1];
 247         camera.right[1] = -camera.forward[0];
 248 }
 249
 250 void Camera_Freemove_updateAxes( camera_t& camera ){
 251         camera.right = camera.vright;
 252         camera.forward = vector3_negated( camera.vpn );
 253 }
 254
 255 const Vector3& Camera_getOrigin( camera_t& camera ){
 256         return camera.origin;
 257 }
 258
 259 void Camera_setOrigin( camera_t& camera, const Vector3& origin ){
 260         camera.origin = origin;
 261         Camera_updateModelview( camera );
 262         camera.m_update();
 263         CameraMovedNotify();
 264 }
 265
 266 const Vector3& Camera_getAngles( camera_t& camera ){
 267         return camera.angles;
 268 }
 269
 270 void Camera_setAngles( camera_t& camera, const Vector3& angles ){
 271         camera.angles = angles;
 272         Camera_updateModelview( camera );
 273         camera.m_update();
 274         CameraMovedNotify();
 275 }
 276
 277
 278 void Camera_FreeMove( camera_t& camera, int dx, int dy ){
 279         // free strafe mode, toggled by the ctrl key with optional shift for forward movement
 280         if ( camera.m_strafe ) {
 281                 float strafespeed = 0.65f;
 282
 283                 if ( g_camwindow_globals_private.m_bCamLinkSpeed ) {
 284                         strafespeed = (float)g_camwindow_globals_private.m_nMoveSpeed / 100;
 285                 }
 286
 287                 camera.origin -= camera.vright * strafespeed * dx;
 288                 if ( camera.m_strafe_forward ) {
 289                         camera.origin += camera.m_strafe_forward_invert ? ( camera.vpn * strafespeed * dy ) : ( -camera.vpn * strafespeed * dy );
 290                 }
 291                 else{
 292                         camera.origin += camera.vup * strafespeed * dy;
 293                 }
 294         }
 295         else // free rotation
 296         {
 297                 const float dtime = 0.1f;
 298
 299                 if ( g_camwindow_globals_private.m_bCamInverseMouse ) {
 300                         camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 301                 }
 302                 else{
 303                         camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 304                 }
 305
 306                 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 307
 308                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 309                         camera.angles[CAMERA_PITCH] = 90;
 310                 }
 311                 else if ( camera.angles[CAMERA_PITCH] < -90 ) {
 312                         camera.angles[CAMERA_PITCH] = -90;
 313                 }
 314
 315                 if ( camera.angles[CAMERA_YAW] >= 360 ) {
 316                         camera.angles[CAMERA_YAW] -= 360;
 317                 }
 318                 else if ( camera.angles[CAMERA_YAW] <= 0 ) {
 319                         camera.angles[CAMERA_YAW] += 360;
 320                 }
 321         }
 322
 323         Camera_updateModelview( camera );
 324         Camera_Freemove_updateAxes( camera );
 325 }
 326
 327 void Cam_MouseControl( camera_t& camera, int x, int y ){
 328         float xf = (float)( x - camera.width / 2 ) / ( camera.width / 2 );
 329         float yf = (float)( y - camera.height / 2 ) / ( camera.height / 2 );
 330
 331         xf *= 1.0f - fabsf( yf );
 332         if ( xf < 0 ) {
 333                 xf += 0.1f;
 334                 if ( xf > 0 ) {
 335                         xf = 0;
 336                 }
 337         }
 338         else
 339         {
 340                 xf -= 0.1f;
 341                 if ( xf < 0 ) {
 342                         xf = 0;
 343                 }
 344         }
 345
 346         vector3_add( camera.origin, vector3_scaled( camera.forward, yf * 0.1f * g_camwindow_globals_private.m_nMoveSpeed ) );
 347         camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
 348
 349         Camera_updateModelview( camera );
 350 }
 351
 352 void Camera_mouseMove( camera_t& camera, int x, int y ){
 353         //globalOutputStream() << "mousemove... ";
 354         Camera_FreeMove( camera, -x, -y );
 355         camera.m_update();
 356         CameraMovedNotify();
 357 }
 358
 359 const unsigned int MOVE_NONE = 0;
 360 const unsigned int MOVE_FORWARD = 1 << 0;
 361 const unsigned int MOVE_BACK = 1 << 1;
 362 const unsigned int MOVE_ROTRIGHT = 1 << 2;
 363 const unsigned int MOVE_ROTLEFT = 1 << 3;
 364 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
 365 const unsigned int MOVE_STRAFELEFT = 1 << 5;
 366 const unsigned int MOVE_UP = 1 << 6;
 367 const unsigned int MOVE_DOWN = 1 << 7;
 368 const unsigned int MOVE_PITCHUP = 1 << 8;
 369 const unsigned int MOVE_PITCHDOWN = 1 << 9;
 370 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;
 371
 372 void Cam_KeyControl( camera_t& camera, float dtime ){
 373         // Update angles
 374         if ( camera.movementflags & MOVE_ROTLEFT ) {
 375                 camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 376         }
 377         if ( camera.movementflags & MOVE_ROTRIGHT ) {
 378                 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 379         }
 380         if ( camera.movementflags & MOVE_PITCHUP ) {
 381                 camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 382                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 383                         camera.angles[CAMERA_PITCH] = 90;
 384                 }
 385         }
 386         if ( camera.movementflags & MOVE_PITCHDOWN ) {
 387                 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 388                 if ( camera.angles[CAMERA_PITCH] < -90 ) {
 389                         camera.angles[CAMERA_PITCH] = -90;
 390                 }
 391         }
 392
 393         Camera_updateModelview( camera );
 394         Camera_Freemove_updateAxes( camera );
 395
 396         // Update position
 397         if ( camera.movementflags & MOVE_FORWARD ) {
 398                 vector3_add( camera.origin, vector3_scaled( camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 399         }
 400         if ( camera.movementflags & MOVE_BACK ) {
 401                 vector3_add( camera.origin, vector3_scaled( camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 402         }
 403         if ( camera.movementflags & MOVE_STRAFELEFT ) {
 404                 vector3_add( camera.origin, vector3_scaled( camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 405         }
 406         if ( camera.movementflags & MOVE_STRAFERIGHT ) {
 407                 vector3_add( camera.origin, vector3_scaled( camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 408         }
 409         if ( camera.movementflags & MOVE_UP ) {
 410                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 411         }
 412         if ( camera.movementflags & MOVE_DOWN ) {
 413                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 414         }
 415
 416         Camera_updateModelview( camera );
 417 }
 418
 419 void Camera_keyMove( camera_t& camera ){
 420         camera.m_mouseMove.flush();
 421
 422         //globalOutputStream() << "keymove... ";
 423         float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
 424         camera.m_keycontrol_timer.start();
 425         if ( time_seconds > 0.05f ) {
 426                 time_seconds = 0.05f; // 20fps
 427         }
 428         Cam_KeyControl( camera, time_seconds * 5.0f );
 429
 430         camera.m_update();
 431         CameraMovedNotify();
 432 }
 433
 434 gboolean camera_keymove( gpointer data ){
 435         Camera_keyMove( *reinterpret_cast<camera_t*>( data ) );
 436         return TRUE;
 437 }
 438
 439 void Camera_setMovementFlags( camera_t& camera, unsigned int mask ){
 440         if ( ( ~camera.movementflags & mask ) != 0 && camera.movementflags == 0 ) {
 441                 camera.m_keymove_handler = g_idle_add( camera_keymove, &camera );
 442         }
 443         camera.movementflags |= mask;
 444 }
 445 void Camera_clearMovementFlags( camera_t& camera, unsigned int mask ){
 446         if ( ( camera.movementflags & ~mask ) == 0 && camera.movementflags != 0 ) {
 447                 g_source_remove( camera.m_keymove_handler );
 448                 camera.m_keymove_handler = 0;
 449         }
 450         camera.movementflags &= ~mask;
 451 }
 452
 453 void Camera_MoveForward_KeyDown( camera_t& camera ){
 454         Camera_setMovementFlags( camera, MOVE_FORWARD );
 455 }
 456 void Camera_MoveForward_KeyUp( camera_t& camera ){
 457         Camera_clearMovementFlags( camera, MOVE_FORWARD );
 458 }
 459 void Camera_MoveBack_KeyDown( camera_t& camera ){
 460         Camera_setMovementFlags( camera, MOVE_BACK );
 461 }
 462 void Camera_MoveBack_KeyUp( camera_t& camera ){
 463         Camera_clearMovementFlags( camera, MOVE_BACK );
 464 }
 465
 466 void Camera_MoveLeft_KeyDown( camera_t& camera ){
 467         Camera_setMovementFlags( camera, MOVE_STRAFELEFT );
 468 }
 469 void Camera_MoveLeft_KeyUp( camera_t& camera ){
 470         Camera_clearMovementFlags( camera, MOVE_STRAFELEFT );
 471 }
 472 void Camera_MoveRight_KeyDown( camera_t& camera ){
 473         Camera_setMovementFlags( camera, MOVE_STRAFERIGHT );
 474 }
 475 void Camera_MoveRight_KeyUp( camera_t& camera ){
 476         Camera_clearMovementFlags( camera, MOVE_STRAFERIGHT );
 477 }
 478
 479 void Camera_MoveUp_KeyDown( camera_t& camera ){
 480         Camera_setMovementFlags( camera, MOVE_UP );
 481 }
 482 void Camera_MoveUp_KeyUp( camera_t& camera ){
 483         Camera_clearMovementFlags( camera, MOVE_UP );
 484 }
 485 void Camera_MoveDown_KeyDown( camera_t& camera ){
 486         Camera_setMovementFlags( camera, MOVE_DOWN );
 487 }
 488 void Camera_MoveDown_KeyUp( camera_t& camera ){
 489         Camera_clearMovementFlags( camera, MOVE_DOWN );
 490 }
 491
 492 void Camera_RotateLeft_KeyDown( camera_t& camera ){
 493         Camera_setMovementFlags( camera, MOVE_ROTLEFT );
 494 }
 495 void Camera_RotateLeft_KeyUp( camera_t& camera ){
 496         Camera_clearMovementFlags( camera, MOVE_ROTLEFT );
 497 }
 498 void Camera_RotateRight_KeyDown( camera_t& camera ){
 499         Camera_setMovementFlags( camera, MOVE_ROTRIGHT );
 500 }
 501 void Camera_RotateRight_KeyUp( camera_t& camera ){
 502         Camera_clearMovementFlags( camera, MOVE_ROTRIGHT );
 503 }
 504
 505 void Camera_PitchUp_KeyDown( camera_t& camera ){
 506         Camera_setMovementFlags( camera, MOVE_PITCHUP );
 507 }
 508 void Camera_PitchUp_KeyUp( camera_t& camera ){
 509         Camera_clearMovementFlags( camera, MOVE_PITCHUP );
 510 }
 511 void Camera_PitchDown_KeyDown( camera_t& camera ){
 512         Camera_setMovementFlags( camera, MOVE_PITCHDOWN );
 513 }
 514 void Camera_PitchDown_KeyUp( camera_t& camera ){
 515         Camera_clearMovementFlags( camera, MOVE_PITCHDOWN );
 516 }
 517
 518
 519 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
 520 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
 521 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
 522 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
 523 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
 524 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
 525 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
 526 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
 527 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
 528 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
 529 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
 530 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 531
 532
 533 const float MIN_FOV = 60;
 534 const float MAX_FOV = 179;
 535 const float FOV_STEP = 10;
 536 const float SPEED_MOVE = 32;
 537 const float SPEED_TURN = 22.5;
 538 const float MIN_CAM_SPEED = 10;
 539 const float MAX_CAM_SPEED = 610;
 540 const float CAM_SPEED_STEP = 50;
 541
 542 void Camera_MoveForward_Discrete( camera_t& camera ){
 543         Camera_Move_updateAxes( camera );
 544         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, SPEED_MOVE ) ) );
 545 }
 546 void Camera_MoveBack_Discrete( camera_t& camera ){
 547         Camera_Move_updateAxes( camera );
 548         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, -SPEED_MOVE ) ) );
 549 }
 550
 551 void Camera_MoveUp_Discrete( camera_t& camera ){
 552         Vector3 origin( Camera_getOrigin( camera ) );
 553         origin[2] += SPEED_MOVE;
 554         Camera_setOrigin( camera, origin );
 555 }
 556 void Camera_MoveDown_Discrete( camera_t& camera ){
 557         Vector3 origin( Camera_getOrigin( camera ) );
 558         origin[2] -= SPEED_MOVE;
 559         Camera_setOrigin( camera, origin );
 560 }
 561
 562 void Camera_MoveLeft_Discrete( camera_t& camera ){
 563         Camera_Move_updateAxes( camera );
 564         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, -SPEED_MOVE ) ) );
 565 }
 566 void Camera_MoveRight_Discrete( camera_t& camera ){
 567         Camera_Move_updateAxes( camera );
 568         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, SPEED_MOVE ) ) );
 569 }
 570
 571 void Camera_RotateLeft_Discrete( camera_t& camera ){
 572         Vector3 angles( Camera_getAngles( camera ) );
 573         angles[CAMERA_YAW] += SPEED_TURN;
 574         Camera_setAngles( camera, angles );
 575 }
 576 void Camera_RotateRight_Discrete( camera_t& camera ){
 577         Vector3 angles( Camera_getAngles( camera ) );
 578         angles[CAMERA_YAW] -= SPEED_TURN;
 579         Camera_setAngles( camera, angles );
 580 }
 581
 582 void Camera_PitchUp_Discrete( camera_t& camera ){
 583         Vector3 angles( Camera_getAngles( camera ) );
 584         angles[CAMERA_PITCH] += SPEED_TURN;
 585         if ( angles[CAMERA_PITCH] > 90 ) {
 586                 angles[CAMERA_PITCH] = 90;
 587         }
 588         Camera_setAngles( camera, angles );
 589 }
 590 void Camera_PitchDown_Discrete( camera_t& camera ){
 591         Vector3 angles( Camera_getAngles( camera ) );
 592         angles[CAMERA_PITCH] -= SPEED_TURN;
 593         if ( angles[CAMERA_PITCH] < -90 ) {
 594                 angles[CAMERA_PITCH] = -90;
 595         }
 596         Camera_setAngles( camera, angles );
 597 }
 598
 599
 600 class RadiantCameraView : public CameraView
 601 {
 602 camera_t& m_camera;
 603 View* m_view;
 604 Callback<void()> m_update;
 605 public:
 606 RadiantCameraView( camera_t& camera, View* view, const Callback<void()>& update ) : m_camera( camera ), m_view( view ), m_update( update ){
 607 }
 608 void update(){
 609         m_view->Construct( m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height );
 610         m_update();
 611 }
 612 void setModelview( const Matrix4& modelview ){
 613         m_camera.modelview = modelview;
 614         matrix4_multiply_by_matrix4( m_camera.modelview, g_radiant2opengl );
 615         matrix4_affine_invert( m_camera.modelview );
 616         Camera_updateVectors( m_camera );
 617         update();
 618 }
 619 void setFieldOfView( float fieldOfView ){
 620         float farClip = Camera_getFarClipPlane( m_camera );
 621         m_camera.projection = projection_for_camera( farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height );
 622         update();
 623 }
 624 };
 625
 626
 627 void Camera_motionDelta( int x, int y, unsigned int state, void* data ){
 628         camera_t* cam = reinterpret_cast<camera_t*>( data );
 629
 630         cam->m_mouseMove.motion_delta( x, y, state );
 631
 632         cam->m_strafe_forward_invert = false;
 633
 634         switch ( g_camwindow_globals_private.m_nStrafeMode )
 635         {
 636         case 0:
 637                 cam->m_strafe = false;
 638                 break;
 639         case 1:
 640                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 641                 cam->m_strafe_forward = false;
 642                 break;
 643         case 2:
 644                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 645                 cam->m_strafe_forward = cam->m_strafe;
 646                 break;
 647         case 4:
 648                 cam->m_strafe_forward_invert = true;
 649         default:
 650                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0;
 651                 if ( cam->m_strafe ) {
 652                         cam->m_strafe_forward = ( state & GDK_SHIFT_MASK ) != 0;
 653                 }
 654                 else{
 655                         cam->m_strafe_forward = false;
 656                 }
 657                 break;
 658         }
 659 }
 660
 661
 662
 663
 664
 665 class CamWnd
 666 {
 667 View m_view;
 668 camera_t m_Camera;
 669 RadiantCameraView m_cameraview;
 670 #if 0
 671 int m_PositionDragCursorX;
 672 int m_PositionDragCursorY;
 673 #endif
 674
 675 guint m_freemove_handle_focusout;
 676
 677 static Shader* m_state_select1;
 678 static Shader* m_state_select2;
 679
 680 FreezePointer m_freezePointer;
 681
 682 public:
 683 ui::GLArea m_gl_widget;
 684 ui::Window m_parent{ui::null};
 685
 686 SelectionSystemWindowObserver* m_window_observer;
 687 XORRectangle m_XORRectangle;
 688
 689 DeferredDraw m_deferredDraw;
 690 DeferredMotion m_deferred_motion;
 691
 692 guint m_selection_button_press_handler;
 693 guint m_selection_button_release_handler;
 694 guint m_selection_motion_handler;
 695
 696 guint m_freelook_button_press_handler;
 697
 698 guint m_sizeHandler;
 699 guint m_exposeHandler;
 700
 701 CamWnd();
 702 ~CamWnd();
 703
 704 bool m_drawing;
 705 void queue_draw(){
 706         //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
 707         if ( m_drawing ) {
 708                 return;
 709         }
 710         //globalOutputStream() << "queue... ";
 711         m_deferredDraw.draw();
 712 }
 713 void draw();
 714
 715 static void captureStates(){
 716         m_state_select1 = GlobalShaderCache().capture( "$CAM_HIGHLIGHT" );
 717         m_state_select2 = GlobalShaderCache().capture( "$CAM_OVERLAY" );
 718 }
 719 static void releaseStates(){
 720         GlobalShaderCache().release( "$CAM_HIGHLIGHT" );
 721         GlobalShaderCache().release( "$CAM_OVERLAY" );
 722 }
 723
 724 camera_t& getCamera(){
 725         return m_Camera;
 726 }
 727
 728 void BenchMark();
 729 void Cam_ChangeFloor( bool up );
 730
 731 void DisableFreeMove();
 732 void EnableFreeMove();
 733 bool m_bFreeMove;
 734
 735 CameraView& getCameraView(){
 736         return m_cameraview;
 737 }
 738
 739 private:
 740 void Cam_Draw();
 741 };
 742
 743 typedef MemberCaller<CamWnd, void(), &CamWnd::queue_draw> CamWndQueueDraw;
 744
 745 Shader* CamWnd::m_state_select1 = 0;
 746 Shader* CamWnd::m_state_select2 = 0;
 747
 748 CamWnd* NewCamWnd(){
 749         return new CamWnd;
 750 }
 751 void DeleteCamWnd( CamWnd* camwnd ){
 752         delete camwnd;
 753 }
 754
 755 void CamWnd_constructStatic(){
 756         CamWnd::captureStates();
 757 }
 758
 759 void CamWnd_destroyStatic(){
 760         CamWnd::releaseStates();
 761 }
 762
 763 static CamWnd* g_camwnd = 0;
 764
 765 void GlobalCamera_setCamWnd( CamWnd& camwnd ){
 766         g_camwnd = &camwnd;
 767 }
 768
 769
 770 ui::GLArea CamWnd_getWidget( CamWnd& camwnd ){
 771         return camwnd.m_gl_widget;
 772 }
 773
 774 ui::Window CamWnd_getParent( CamWnd& camwnd ){
 775         return camwnd.m_parent;
 776 }
 777
 778 ToggleShown g_camera_shown( true );
 779
 780 void CamWnd_setParent( CamWnd& camwnd, ui::Window parent ){
 781         camwnd.m_parent = parent;
 782         g_camera_shown.connect( camwnd.m_parent );
 783 }
 784
 785 void CamWnd_Update( CamWnd& camwnd ){
 786         camwnd.queue_draw();
 787 }
 788
 789
 790
 791 camwindow_globals_t g_camwindow_globals;
 792
 793 const Vector3& Camera_getOrigin( CamWnd& camwnd ){
 794         return Camera_getOrigin( camwnd.getCamera() );
 795 }
 796
 797 void Camera_setOrigin( CamWnd& camwnd, const Vector3& origin ){
 798         Camera_setOrigin( camwnd.getCamera(), origin );
 799 }
 800
 801 const Vector3& Camera_getAngles( CamWnd& camwnd ){
 802         return Camera_getAngles( camwnd.getCamera() );
 803 }
 804
 805 void Camera_setAngles( CamWnd& camwnd, const Vector3& angles ){
 806         Camera_setAngles( camwnd.getCamera(), angles );
 807 }
 808
 809
 810 // =============================================================================
 811 // CamWnd class
 812
 813 gboolean enable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 814         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 815                 camwnd->EnableFreeMove();
 816                 return TRUE;
 817         }
 818         return FALSE;
 819 }
 820
 821 gboolean disable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 822         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 823                 camwnd->DisableFreeMove();
 824                 return TRUE;
 825         }
 826         return FALSE;
 827 }
 828
 829 #if 0
 830 gboolean mousecontrol_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 831         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
 832                 Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
 833         }
 834         return FALSE;
 835 }
 836 #endif
 837
 838 void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
 839         if ( self.m_gl_widget.visible() ) {
 840                 self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ) );
 841         }
 842 }
 843
 844
 845 gboolean selection_button_press( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 846         if ( event->type == GDK_BUTTON_PRESS ) {
 847                 observer->onMouseDown( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 848         }
 849         return FALSE;
 850 }
 851
 852 gboolean selection_button_release( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 853         if ( event->type == GDK_BUTTON_RELEASE ) {
 854                 observer->onMouseUp( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 855         }
 856         return FALSE;
 857 }
 858
 859 void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 860         //globalOutputStream() << "motion... ";
 861         reinterpret_cast<WindowObserver*>( data )->onMouseMotion( WindowVector_forDouble( x, y ), modifiers_for_state( state ) );
 862 }
 863
 864 inline WindowVector windowvector_for_widget_centre( ui::Widget widget ){
 865         auto allocation = widget.dimensions();
 866         return WindowVector( static_cast<float>( allocation.width / 2 ), static_cast<float>(allocation.height / 2 ) );
 867 }
 868
 869 gboolean selection_button_press_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 870         if ( event->type == GDK_BUTTON_PRESS ) {
 871                 observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 872         }
 873         return FALSE;
 874 }
 875
 876 gboolean selection_button_release_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 877         if ( event->type == GDK_BUTTON_RELEASE ) {
 878                 observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 879         }
 880         return FALSE;
 881 }
 882
 883 gboolean selection_motion_freemove( ui::Widget widget, GdkEventMotion *event, WindowObserver* observer ){
 884         observer->onMouseMotion( windowvector_for_widget_centre( widget ), modifiers_for_state( event->state ) );
 885         return FALSE;
 886 }
 887
 888 gboolean wheelmove_scroll( ui::Widget widget, GdkEventScroll* event, CamWnd* camwnd ){
 889         if ( event->direction == GDK_SCROLL_UP ) {
 890                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 891                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 892         }
 893         else if ( event->direction == GDK_SCROLL_DOWN ) {
 894                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 895                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 896         }
 897
 898         return FALSE;
 899 }
 900
 901 gboolean camera_size_allocate( ui::Widget widget, GtkAllocation* allocation, CamWnd* camwnd ){
 902         camwnd->getCamera().width = allocation->width;
 903         camwnd->getCamera().height = allocation->height;
 904         Camera_updateProjection( camwnd->getCamera() );
 905         camwnd->m_window_observer->onSizeChanged( camwnd->getCamera().width, camwnd->getCamera().height );
 906         camwnd->queue_draw();
 907         return FALSE;
 908 }
 909
 910 gboolean camera_expose( ui::Widget widget, GdkEventExpose* event, gpointer data ){
 911         reinterpret_cast<CamWnd*>( data )->draw();
 912         return FALSE;
 913 }
 914
 915 void KeyEvent_connect( const char* name ){
 916         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 917         keydown_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyDown );
 918         keyup_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyUp );
 919 }
 920
 921 void KeyEvent_disconnect( const char* name ){
 922         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 923         keydown_accelerators_remove( keyEvent.m_accelerator );
 924         keyup_accelerators_remove( keyEvent.m_accelerator );
 925 }
 926
 927 void CamWnd_registerCommands( CamWnd& camwnd ){
 928         GlobalKeyEvents_insert( "CameraForward", accelerator_null(),
 929                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyDown>( camwnd.getCamera() ),
 930                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyUp>( camwnd.getCamera() )
 931                                                         );
 932         GlobalKeyEvents_insert( "CameraBack", accelerator_null(),
 933                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyDown>( camwnd.getCamera() ),
 934                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyUp>( camwnd.getCamera() )
 935                                                         );
 936         GlobalKeyEvents_insert( "CameraLeft", accelerator_null(),
 937                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyDown>( camwnd.getCamera() ),
 938                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyUp>( camwnd.getCamera() )
 939                                                         );
 940         GlobalKeyEvents_insert( "CameraRight", accelerator_null(),
 941                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyDown>( camwnd.getCamera() ),
 942                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyUp>( camwnd.getCamera() )
 943                                                         );
 944         GlobalKeyEvents_insert( "CameraStrafeRight", accelerator_null(),
 945                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyDown>( camwnd.getCamera() ),
 946                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyUp>( camwnd.getCamera() )
 947                                                         );
 948         GlobalKeyEvents_insert( "CameraStrafeLeft", accelerator_null(),
 949                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyDown>( camwnd.getCamera() ),
 950                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyUp>( camwnd.getCamera() )
 951                                                         );
 952         GlobalKeyEvents_insert( "CameraUp", accelerator_null(),
 953                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyDown>( camwnd.getCamera() ),
 954                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyUp>( camwnd.getCamera() )
 955                                                         );
 956         GlobalKeyEvents_insert( "CameraDown", accelerator_null(),
 957                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyDown>( camwnd.getCamera() ),
 958                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyUp>( camwnd.getCamera() )
 959                                                         );
 960         GlobalKeyEvents_insert( "CameraAngleUp", accelerator_null(),
 961                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyDown>( camwnd.getCamera() ),
 962                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyUp>( camwnd.getCamera() )
 963                                                         );
 964         GlobalKeyEvents_insert( "CameraAngleDown", accelerator_null(),
 965                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyDown>( camwnd.getCamera() ),
 966                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyUp>( camwnd.getCamera() )
 967                                                         );
 968
 969
 970         GlobalKeyEvents_insert( "CameraFreeMoveForward", accelerator_null(),
 971                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
 972                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
 973                                                         );
 974         GlobalKeyEvents_insert( "CameraFreeMoveBack", accelerator_null(),
 975                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
 976                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
 977                                                         );
 978         GlobalKeyEvents_insert( "CameraFreeMoveLeft", accelerator_null(),
 979                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
 980                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
 981                                                         );
 982         GlobalKeyEvents_insert( "CameraFreeMoveRight", accelerator_null(),
 983                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
 984                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
 985                                                         );
 986
 987         GlobalKeyEvents_insert( "CameraFreeMoveForward2", accelerator_null(),
 988                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
 989                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
 990                                                         );
 991         GlobalKeyEvents_insert( "CameraFreeMoveBack2", accelerator_null(),
 992                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
 993                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
 994                                                         );
 995         GlobalKeyEvents_insert( "CameraFreeMoveLeft2", accelerator_null(),
 996                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
 997                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
 998                                                         );
 999         GlobalKeyEvents_insert( "CameraFreeMoveRight2", accelerator_null(),
1000                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1001                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1002                                                         );
1003
1004         GlobalKeyEvents_insert( "CameraFreeMoveUp", accelerator_null(),
1005                                                         FreeMoveCameraMoveUpKeyDownCaller( camwnd.getCamera() ),
1006                                                         FreeMoveCameraMoveUpKeyUpCaller( camwnd.getCamera() )
1007                                                         );
1008         GlobalKeyEvents_insert( "CameraFreeMoveDown", accelerator_null(),
1009                                                         FreeMoveCameraMoveDownKeyDownCaller( camwnd.getCamera() ),
1010                                                         FreeMoveCameraMoveDownKeyUpCaller( camwnd.getCamera() )
1011                                                         );
1012
1013         GlobalCommands_insert( "CameraForward", ReferenceCaller<camera_t, void(), Camera_MoveForward_Discrete>( camwnd.getCamera() ) );
1014         GlobalCommands_insert( "CameraBack", ReferenceCaller<camera_t, void(), Camera_MoveBack_Discrete>( camwnd.getCamera() ) );
1015         GlobalCommands_insert( "CameraLeft", ReferenceCaller<camera_t, void(), Camera_RotateLeft_Discrete>( camwnd.getCamera() ) );
1016         GlobalCommands_insert( "CameraRight", ReferenceCaller<camera_t, void(), Camera_RotateRight_Discrete>( camwnd.getCamera() ) );
1017         GlobalCommands_insert( "CameraStrafeRight", ReferenceCaller<camera_t, void(), Camera_MoveRight_Discrete>( camwnd.getCamera() ) );
1018         GlobalCommands_insert( "CameraStrafeLeft", ReferenceCaller<camera_t, void(), Camera_MoveLeft_Discrete>( camwnd.getCamera() ) );
1019
1020         GlobalCommands_insert( "CameraUp", ReferenceCaller<camera_t, void(), Camera_MoveUp_Discrete>( camwnd.getCamera() ) );
1021         GlobalCommands_insert( "CameraDown", ReferenceCaller<camera_t, void(), Camera_MoveDown_Discrete>( camwnd.getCamera() ) );
1022         GlobalCommands_insert( "CameraAngleUp", ReferenceCaller<camera_t, void(), Camera_PitchUp_Discrete>( camwnd.getCamera() ) );
1023         GlobalCommands_insert( "CameraAngleDown", ReferenceCaller<camera_t, void(), Camera_PitchDown_Discrete>( camwnd.getCamera() ) );
1024 }
1025
1026 void CamWnd_Move_Enable( CamWnd& camwnd ){
1027         KeyEvent_connect( "CameraForward" );
1028         KeyEvent_connect( "CameraBack" );
1029         KeyEvent_connect( "CameraLeft" );
1030         KeyEvent_connect( "CameraRight" );
1031         KeyEvent_connect( "CameraStrafeRight" );
1032         KeyEvent_connect( "CameraStrafeLeft" );
1033         KeyEvent_connect( "CameraUp" );
1034         KeyEvent_connect( "CameraDown" );
1035         KeyEvent_connect( "CameraAngleUp" );
1036         KeyEvent_connect( "CameraAngleDown" );
1037 }
1038
1039 void CamWnd_Move_Disable( CamWnd& camwnd ){
1040         KeyEvent_disconnect( "CameraForward" );
1041         KeyEvent_disconnect( "CameraBack" );
1042         KeyEvent_disconnect( "CameraLeft" );
1043         KeyEvent_disconnect( "CameraRight" );
1044         KeyEvent_disconnect( "CameraStrafeRight" );
1045         KeyEvent_disconnect( "CameraStrafeLeft" );
1046         KeyEvent_disconnect( "CameraUp" );
1047         KeyEvent_disconnect( "CameraDown" );
1048         KeyEvent_disconnect( "CameraAngleUp" );
1049         KeyEvent_disconnect( "CameraAngleDown" );
1050 }
1051
1052 void CamWnd_Move_Discrete_Enable( CamWnd& camwnd ){
1053         command_connect_accelerator( "CameraForward" );
1054         command_connect_accelerator( "CameraBack" );
1055         command_connect_accelerator( "CameraLeft" );
1056         command_connect_accelerator( "CameraRight" );
1057         command_connect_accelerator( "CameraStrafeRight" );
1058         command_connect_accelerator( "CameraStrafeLeft" );
1059         command_connect_accelerator( "CameraUp" );
1060         command_connect_accelerator( "CameraDown" );
1061         command_connect_accelerator( "CameraAngleUp" );
1062         command_connect_accelerator( "CameraAngleDown" );
1063 }
1064
1065 void CamWnd_Move_Discrete_Disable( CamWnd& camwnd ){
1066         command_disconnect_accelerator( "CameraForward" );
1067         command_disconnect_accelerator( "CameraBack" );
1068         command_disconnect_accelerator( "CameraLeft" );
1069         command_disconnect_accelerator( "CameraRight" );
1070         command_disconnect_accelerator( "CameraStrafeRight" );
1071         command_disconnect_accelerator( "CameraStrafeLeft" );
1072         command_disconnect_accelerator( "CameraUp" );
1073         command_disconnect_accelerator( "CameraDown" );
1074         command_disconnect_accelerator( "CameraAngleUp" );
1075         command_disconnect_accelerator( "CameraAngleDown" );
1076 }
1077
1078 struct CamWnd_Move_Discrete {
1079         static void Export(const Callback<void(bool)> &returnz) {
1080                 returnz(g_camwindow_globals_private.m_bCamDiscrete);
1081         }
1082
1083         static void Import(bool value) {
1084                 if (g_camwnd) {
1085                         Import_(*g_camwnd, value);
1086                 } else {
1087                         g_camwindow_globals_private.m_bCamDiscrete = value;
1088                 }
1089         }
1090
1091         static void Import_(CamWnd &camwnd, bool value) {
1092         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1093                 CamWnd_Move_Discrete_Disable( camwnd );
1094                 } else {
1095                 CamWnd_Move_Disable( camwnd );
1096         }
1097
1098         g_camwindow_globals_private.m_bCamDiscrete = value;
1099
1100         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1101                 CamWnd_Move_Discrete_Enable( camwnd );
1102                 } else {
1103                 CamWnd_Move_Enable( camwnd );
1104         }
1105 }
1106 };
1107
1108
1109 void CamWnd_Add_Handlers_Move( CamWnd& camwnd ){
1110         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press ), camwnd.m_window_observer );
1111         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release ), camwnd.m_window_observer );
1112         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &camwnd.m_deferred_motion );
1113
1114         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( enable_freelook_button_press ), &camwnd );
1115
1116         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1117                 CamWnd_Move_Discrete_Enable( camwnd );
1118         }
1119         else
1120         {
1121                 CamWnd_Move_Enable( camwnd );
1122         }
1123 }
1124
1125 void CamWnd_Remove_Handlers_Move( CamWnd& camwnd ){
1126         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1127         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1128         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1129
1130         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1131
1132         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1133                 CamWnd_Move_Discrete_Disable( camwnd );
1134         }
1135         else
1136         {
1137                 CamWnd_Move_Disable( camwnd );
1138         }
1139 }
1140
1141 void CamWnd_Add_Handlers_FreeMove( CamWnd& camwnd ){
1142         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press_freemove ), camwnd.m_window_observer );
1143         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release_freemove ), camwnd.m_window_observer );
1144         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( selection_motion_freemove ), camwnd.m_window_observer );
1145
1146         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( disable_freelook_button_press ), &camwnd );
1147
1148         KeyEvent_connect( "CameraFreeMoveForward" );
1149         KeyEvent_connect( "CameraFreeMoveBack" );
1150         KeyEvent_connect( "CameraFreeMoveLeft" );
1151         KeyEvent_connect( "CameraFreeMoveRight" );
1152
1153         KeyEvent_connect( "CameraFreeMoveForward2" );
1154         KeyEvent_connect( "CameraFreeMoveBack2" );
1155         KeyEvent_connect( "CameraFreeMoveLeft2" );
1156         KeyEvent_connect( "CameraFreeMoveRight2" );
1157
1158         KeyEvent_connect( "CameraFreeMoveUp" );
1159         KeyEvent_connect( "CameraFreeMoveDown" );
1160 }
1161
1162 void CamWnd_Remove_Handlers_FreeMove( CamWnd& camwnd ){
1163         KeyEvent_disconnect( "CameraFreeMoveForward" );
1164         KeyEvent_disconnect( "CameraFreeMoveBack" );
1165         KeyEvent_disconnect( "CameraFreeMoveLeft" );
1166         KeyEvent_disconnect( "CameraFreeMoveRight" );
1167
1168         KeyEvent_disconnect( "CameraFreeMoveForward2" );
1169         KeyEvent_disconnect( "CameraFreeMoveBack2" );
1170         KeyEvent_disconnect( "CameraFreeMoveLeft2" );
1171         KeyEvent_disconnect( "CameraFreeMoveRight2" );
1172
1173         KeyEvent_disconnect( "CameraFreeMoveUp" );
1174         KeyEvent_disconnect( "CameraFreeMoveDown" );
1175
1176         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1177         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1178         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1179
1180         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1181 }
1182
1183 CamWnd::CamWnd() :
1184         m_view( true ),
1185         m_Camera( &m_view, CamWndQueueDraw( *this ) ),
1186         m_cameraview( m_Camera, &m_view, ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) ),
1187         m_gl_widget( glwidget_new( TRUE ) ),
1188         m_window_observer( NewWindowObserver() ),
1189         m_XORRectangle( m_gl_widget ),
1190         m_deferredDraw( WidgetQueueDrawCaller( m_gl_widget ) ),
1191         m_deferred_motion( selection_motion, m_window_observer ),
1192         m_selection_button_press_handler( 0 ),
1193         m_selection_button_release_handler( 0 ),
1194         m_selection_motion_handler( 0 ),
1195         m_freelook_button_press_handler( 0 ),
1196         m_drawing( false ){
1197         m_bFreeMove = false;
1198
1199         GlobalWindowObservers_add( m_window_observer );
1200         GlobalWindowObservers_connectWidget( m_gl_widget );
1201
1202         m_window_observer->setRectangleDrawCallback( ReferenceCaller<CamWnd, void(rect_t), camwnd_update_xor_rectangle>( *this ) );
1203         m_window_observer->setView( m_view );
1204
1205         g_object_ref( m_gl_widget._handle );
1206
1207         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 );
1208         gtk_widget_set_can_focus( m_gl_widget, true );
1209
1210         m_sizeHandler = m_gl_widget.connect( "size_allocate", G_CALLBACK( camera_size_allocate ), this );
1211         m_exposeHandler = m_gl_widget.on_render( G_CALLBACK( camera_expose ), this );
1212
1213         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
1214
1215         CamWnd_registerCommands( *this );
1216
1217         CamWnd_Add_Handlers_Move( *this );
1218
1219         m_gl_widget.connect( "scroll_event", G_CALLBACK( wheelmove_scroll ), this );
1220
1221         AddSceneChangeCallback( ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) );
1222
1223         PressedButtons_connect( g_pressedButtons, m_gl_widget );
1224 }
1225
1226 CamWnd::~CamWnd(){
1227         if ( m_bFreeMove ) {
1228                 DisableFreeMove();
1229         }
1230
1231         CamWnd_Remove_Handlers_Move( *this );
1232
1233         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
1234         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
1235
1236         m_gl_widget.unref();
1237
1238         m_window_observer->release();
1239 }
1240
1241 class FloorHeightWalker : public scene::Graph::Walker
1242 {
1243 float m_current;
1244 float& m_bestUp;
1245 float& m_bestDown;
1246 public:
1247 FloorHeightWalker( float current, float& bestUp, float& bestDown ) :
1248         m_current( current ), m_bestUp( bestUp ), m_bestDown( bestDown ){
1249         bestUp = g_MaxWorldCoord;
1250         bestDown = -g_MaxWorldCoord;
1251 }
1252 bool pre( const scene::Path& path, scene::Instance& instance ) const {
1253         if ( path.top().get().visible()
1254                  && Node_isBrush( path.top() ) ) { // this node is a floor
1255                 const AABB& aabb = instance.worldAABB();
1256                 float floorHeight = aabb.origin.z() + aabb.extents.z();
1257                 if ( floorHeight > m_current && floorHeight < m_bestUp ) {
1258                         m_bestUp = floorHeight;
1259                 }
1260                 if ( floorHeight < m_current && floorHeight > m_bestDown ) {
1261                         m_bestDown = floorHeight;
1262                 }
1263         }
1264         else if( !path.top().get().visible() ){
1265                 return false;
1266         }
1267         return true;
1268 }
1269 };
1270
1271 void CamWnd::Cam_ChangeFloor( bool up ){
1272         float current = m_Camera.origin[2] - 48;
1273         float bestUp;
1274         float bestDown;
1275         GlobalSceneGraph().traverse( FloorHeightWalker( current, bestUp, bestDown ) );
1276
1277         if ( up && bestUp != g_MaxWorldCoord ) {
1278                 current = bestUp;
1279         }
1280         if ( !up && bestDown != -g_MaxWorldCoord ) {
1281                 current = bestDown;
1282         }
1283
1284         m_Camera.origin[2] = current + 48;
1285         Camera_updateModelview( getCamera() );
1286         CamWnd_Update( *this );
1287         CameraMovedNotify();
1288 }
1289
1290
1291 #if 0
1292
1293 // button_press
1294 Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
1295
1296 // motion
1297 if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
1298          || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
1299         Cam_PositionDrag();
1300         CamWnd_Update( camwnd );
1301         CameraMovedNotify();
1302         return;
1303 }
1304
1305 void CamWnd::Cam_PositionDrag(){
1306         int x, y;
1307
1308         Sys_GetCursorPos( m_gl_widget, &x, &y );
1309         if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
1310                 x -= m_PositionDragCursorX;
1311                 vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
1312                 y -= m_PositionDragCursorY;
1313                 m_Camera.origin[2] -= y;
1314                 Camera_updateModelview();
1315                 CamWnd_Update( camwnd );
1316                 CameraMovedNotify();
1317
1318                 Sys_SetCursorPos( m_gl_widget, m_PositionDragCursorX, m_PositionDragCursorY );
1319         }
1320 }
1321 #endif
1322
1323
1324 // NOTE TTimo if there's an OS-level focus out of the application
1325 //   then we can release the camera cursor grab
1326 static gboolean camwindow_freemove_focusout( ui::Widget widget, GdkEventFocus* event, gpointer data ){
1327         reinterpret_cast<CamWnd*>( data )->DisableFreeMove();
1328         return FALSE;
1329 }
1330
1331 void CamWnd::EnableFreeMove(){
1332         //globalOutputStream() << "EnableFreeMove\n";
1333
1334         ASSERT_MESSAGE( !m_bFreeMove, "EnableFreeMove: free-move was already enabled" );
1335         m_bFreeMove = true;
1336         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1337
1338         CamWnd_Remove_Handlers_Move( *this );
1339         CamWnd_Add_Handlers_FreeMove( *this );
1340
1341         gtk_window_set_focus( m_parent, m_gl_widget );
1342         m_freemove_handle_focusout = m_gl_widget.connect( "focus_out_event", G_CALLBACK( camwindow_freemove_focusout ), this );
1343         /* We chose to replace m_parent by m_gl_widget but NetRadiantCustom does:
1344         m_freezePointer.freeze_pointer( m_parent, m_gl_widget, Camera_motionDelta, &m_Camera ); */
1345         m_freezePointer.freeze_pointer( m_gl_widget, Camera_motionDelta, &m_Camera );
1346
1347         CamWnd_Update( *this );
1348 }
1349
1350 void CamWnd::DisableFreeMove(){
1351         //globalOutputStream() << "DisableFreeMove\n";
1352
1353         ASSERT_MESSAGE( m_bFreeMove, "DisableFreeMove: free-move was not enabled" );
1354         m_bFreeMove = false;
1355         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1356
1357         CamWnd_Remove_Handlers_FreeMove( *this );
1358         CamWnd_Add_Handlers_Move( *this );
1359
1360         m_freezePointer.unfreeze_pointer( m_gl_widget, true );
1361
1362         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_freemove_handle_focusout );
1363
1364         CamWnd_Update( *this );
1365 }
1366
1367
1368 #include "renderer.h"
1369
1370 class CamRenderer : public Renderer
1371 {
1372 struct state_type
1373 {
1374         state_type() : m_highlight( 0 ), m_state( 0 ), m_lights( 0 ){
1375         }
1376         unsigned int m_highlight;
1377         Shader* m_state;
1378         const LightList* m_lights;
1379 };
1380
1381 std::vector<state_type> m_state_stack;
1382 RenderStateFlags m_globalstate;
1383 Shader* m_state_select0;
1384 Shader* m_state_select1;
1385 const Vector3& m_viewer;
1386
1387 public:
1388 CamRenderer( RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer ) :
1389         m_globalstate( globalstate ),
1390         m_state_select0( select0 ),
1391         m_state_select1( select1 ),
1392         m_viewer( viewer ){
1393         ASSERT_NOTNULL( select0 );
1394         ASSERT_NOTNULL( select1 );
1395         m_state_stack.push_back( state_type() );
1396 }
1397
1398 void SetState( Shader* state, EStyle style ){
1399         ASSERT_NOTNULL( state );
1400         if ( style == eFullMaterials ) {
1401                 m_state_stack.back().m_state = state;
1402         }
1403 }
1404 EStyle getStyle() const {
1405         return eFullMaterials;
1406 }
1407 void PushState(){
1408         m_state_stack.push_back( m_state_stack.back() );
1409 }
1410 void PopState(){
1411         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
1412         m_state_stack.pop_back();
1413 }
1414 void Highlight( EHighlightMode mode, bool bEnable = true ){
1415         if ( bEnable ) {
1416                 m_state_stack.back().m_highlight |= mode;
1417         } else {
1418                 m_state_stack.back().m_highlight &= ~mode;
1419         }
1420 }
1421 void setLights( const LightList& lights ){
1422         m_state_stack.back().m_lights = &lights;
1423 }
1424 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& world ){
1425         if ( m_state_stack.back().m_highlight & ePrimitive ) {
1426                 m_state_select0->addRenderable( renderable, world, m_state_stack.back().m_lights );
1427         }
1428         if ( m_state_stack.back().m_highlight & eFace ) {
1429                 m_state_select1->addRenderable( renderable, world, m_state_stack.back().m_lights );
1430         }
1431
1432         m_state_stack.back().m_state->addRenderable( renderable, world, m_state_stack.back().m_lights );
1433 }
1434
1435 void render( const Matrix4& modelview, const Matrix4& projection ){
1436         GlobalShaderCache().render( m_globalstate, modelview, projection, m_viewer );
1437 }
1438 };
1439
1440 /*
1441    ==============
1442    Cam_Draw
1443    ==============
1444  */
1445 /*
1446 void ShowStatsToggle(){
1447         g_camwindow_globals_private.m_showStats ^= 1;
1448 }
1449
1450 void ShowStatsExport( const Callback<void(bool)> &importer ){
1451         importer( g_camwindow_globals_private.m_showStats );
1452 }
1453
1454 FreeCaller<void(const Callback<void(bool)>&), ShowStatsExport> g_show_stats_caller;
1455 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1456 ToggleItem g_show_stats( g_show_stats_callback );
1457 */
1458
1459 void ShowStatsToggle(){
1460         g_camwindow_globals_private.m_showStats ^= 1;
1461 //      g_show_stats.update();
1462         UpdateAllWindows();
1463 }
1464 typedef FreeCaller<void(), ShowStatsToggle> ShowStatsToggleCaller;
1465 void ShowStatsExport( const Callback<void(bool)> & importer ){
1466         importer( g_camwindow_globals_private.m_showStats );
1467 }
1468 typedef FreeCaller<void(const Callback<void(bool)> &), ShowStatsExport> ShowStatsExportCaller;
1469
1470 ShowStatsExportCaller g_show_stats_caller;
1471 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1472 ToggleItem g_show_stats( g_show_stats_callback );
1473
1474 void CamWnd::Cam_Draw(){
1475         glViewport( 0, 0, m_Camera.width, m_Camera.height );
1476 #if 0
1477         GLint viewprt[4];
1478         glGetIntegerv( GL_VIEWPORT, viewprt );
1479 #endif
1480
1481         // enable depth buffer writes
1482         glDepthMask( GL_TRUE );
1483         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1484
1485         Vector3 clearColour( 0, 0, 0 );
1486         if ( m_Camera.draw_mode != cd_lighting ) {
1487                 clearColour = g_camwindow_globals.color_cameraback;
1488         }
1489
1490         glClearColor( clearColour[0], clearColour[1], clearColour[2], 0 );
1491         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1492
1493         extern void Renderer_ResetStats();
1494         Renderer_ResetStats();
1495         extern void Cull_ResetStats();
1496         Cull_ResetStats();
1497
1498         glMatrixMode( GL_PROJECTION );
1499         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.projection ) );
1500
1501         glMatrixMode( GL_MODELVIEW );
1502         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.modelview ) );
1503
1504
1505         // one directional light source directly behind the viewer
1506         {
1507                 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
1508
1509                 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1510                 ambient[3] = 1.0f;
1511                 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1512                 diffuse[3] = 1.0f;
1513                 //material[0] = material[1] = material[2] = 0.8f;
1514                 //material[3] = 1.0f;
1515
1516                 inverse_cam_dir[0] = m_Camera.vpn[0];
1517                 inverse_cam_dir[1] = m_Camera.vpn[1];
1518                 inverse_cam_dir[2] = m_Camera.vpn[2];
1519                 inverse_cam_dir[3] = 0;
1520
1521                 glLightfv( GL_LIGHT0, GL_POSITION, inverse_cam_dir );
1522
1523                 glLightfv( GL_LIGHT0, GL_AMBIENT, ambient );
1524                 glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse );
1525
1526                 glEnable( GL_LIGHT0 );
1527         }
1528
1529
1530         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;
1531         switch ( m_Camera.draw_mode )
1532         {
1533         case cd_wire:
1534                 break;
1535         case cd_solid:
1536                 globalstate |= RENDER_FILL
1537                                            | RENDER_LIGHTING
1538                                            | RENDER_SMOOTH
1539                                            | RENDER_SCALED;
1540                 break;
1541         case cd_texture:
1542                 globalstate |= RENDER_FILL
1543                                            | RENDER_LIGHTING
1544                                            | RENDER_TEXTURE
1545                                            | RENDER_SMOOTH
1546                                            | RENDER_SCALED;
1547                 break;
1548         case cd_lighting:
1549                 globalstate |= RENDER_FILL
1550                                            | RENDER_LIGHTING
1551                                            | RENDER_TEXTURE
1552                                            | RENDER_SMOOTH
1553                                            | RENDER_SCALED
1554                                            | RENDER_BUMP
1555                                            | RENDER_PROGRAM
1556                                            | RENDER_SCREEN;
1557                 break;
1558         default:
1559                 globalstate = 0;
1560                 break;
1561         }
1562
1563 //      if ( !g_xywindow_globals.m_bNoStipple ) {
1564                 globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
1565 //      }
1566
1567         {
1568                 CamRenderer renderer( globalstate, m_state_select2, m_state_select1, m_view.getViewer() );
1569
1570                 Scene_Render( renderer, m_view );
1571
1572                 renderer.render( m_Camera.modelview, m_Camera.projection );
1573         }
1574
1575         // prepare for 2d stuff
1576         glColor4f( 1, 1, 1, 1 );
1577         glDisable( GL_BLEND );
1578         glMatrixMode( GL_PROJECTION );
1579         glLoadIdentity();
1580         glOrtho( 0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100 );
1581         glScalef( 1, -1, 1 );
1582         glTranslatef( 0, -(float)m_Camera.height, 0 );
1583         glMatrixMode( GL_MODELVIEW );
1584         glLoadIdentity();
1585
1586         if ( GlobalOpenGL().GL_1_3() ) {
1587                 glClientActiveTexture( GL_TEXTURE0 );
1588                 glActiveTexture( GL_TEXTURE0 );
1589         }
1590
1591         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
1592         glDisableClientState( GL_NORMAL_ARRAY );
1593         glDisableClientState( GL_COLOR_ARRAY );
1594
1595         glDisable( GL_TEXTURE_2D );
1596         glDisable( GL_LIGHTING );
1597         glDisable( GL_COLOR_MATERIAL );
1598         glDisable( GL_DEPTH_TEST );
1599         glColor3f( 1.f, 1.f, 1.f );
1600         glLineWidth( 1 );
1601
1602         // draw the crosshair
1603         if ( m_bFreeMove ) {
1604                 glBegin( GL_LINES );
1605                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1606                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1607                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1608                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1609                 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1610                 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1611                 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1612                 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1613                 glEnd();
1614         }
1615
1616         if ( g_camwindow_globals_private.m_showStats ) {
1617                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f );
1618                 extern const char* Renderer_GetStats();
1619                 GlobalOpenGL().drawString( Renderer_GetStats() );
1620
1621                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() - GlobalOpenGL().m_font->getPixelHeight(), 0.0f );
1622                 extern const char* Cull_GetStats();
1623                 GlobalOpenGL().drawString( Cull_GetStats() );
1624         }
1625
1626         // bind back to the default texture so that we don't have problems
1627         // elsewhere using/modifying texture maps between contexts
1628         glBindTexture( GL_TEXTURE_2D, 0 );
1629 }
1630
1631 void CamWnd::draw(){
1632         m_drawing = true;
1633
1634         //globalOutputStream() << "draw...\n";
1635         if ( glwidget_make_current( m_gl_widget ) != FALSE ) {
1636                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
1637                         GlobalOpenGL_debugAssertNoErrors();
1638                         Cam_Draw();
1639                         GlobalOpenGL_debugAssertNoErrors();
1640                         //qglFinish();
1641
1642                         m_XORRectangle.set( rectangle_t() );
1643                 }
1644
1645                 glwidget_swap_buffers( m_gl_widget );
1646         }
1647
1648         m_drawing = false;
1649 }
1650
1651 void CamWnd::BenchMark(){
1652         double dStart = Sys_DoubleTime();
1653         for ( int i = 0 ; i < 100 ; i++ )
1654         {
1655                 Vector3 angles;
1656                 angles[CAMERA_ROLL] = 0;
1657                 angles[CAMERA_PITCH] = 0;
1658                 angles[CAMERA_YAW] = i * 360.0f / 100.0f;
1659                 Camera_setAngles( *this, angles );
1660         }
1661         double dEnd = Sys_DoubleTime();
1662         globalOutputStream() << FloatFormat( dEnd - dStart, 5, 2 ) << " seconds\n";
1663 }
1664
1665
1666 void GlobalCamera_ResetAngles(){
1667         CamWnd& camwnd = *g_camwnd;
1668         Vector3 angles;
1669         angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1670         angles[CAMERA_YAW] = 22.5f * floorf( ( Camera_getAngles( camwnd )[CAMERA_YAW] + 11 ) / 22.5f );
1671         Camera_setAngles( camwnd, angles );
1672 }
1673
1674 #include "select.h"
1675
1676 void GlobalCamera_FocusOnSelected(){
1677         CamWnd& camwnd = *g_camwnd;
1678
1679         Vector3 angles( Camera_getAngles( camwnd ) );
1680         Vector3 radangles( degrees_to_radians( angles[0] ), degrees_to_radians( angles[1] ), degrees_to_radians( angles[2] ) );
1681         Vector3 viewvector;
1682         viewvector[0] = cos( radangles[1] ) * cos( radangles[0] );
1683         viewvector[1] = sin( radangles[1] ) * cos( radangles[0] );
1684         viewvector[2] = sin( radangles[0] );
1685
1686         Vector3 camorigin( Camera_getOrigin( camwnd ) );
1687
1688         AABB aabb( aabb_for_minmax( Select_getWorkZone().d_work_min, Select_getWorkZone().d_work_max ) );
1689
1690         View& view = *( camwnd.getCamera().m_view );
1691
1692         Plane3 frustumPlanes[4];
1693         frustumPlanes[0] = plane3_translated( view.getFrustum().left, camorigin - aabb.origin );
1694         frustumPlanes[1] = plane3_translated( view.getFrustum().right, camorigin - aabb.origin );
1695         frustumPlanes[2] = plane3_translated( view.getFrustum().top, camorigin - aabb.origin );
1696         frustumPlanes[3] = plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin );
1697
1698         float offset = 64.0f;
1699
1700         Vector3 corners[8];
1701         aabb_corners( aabb, corners );
1702
1703         for ( size_t i = 0; i < 4; ++i ){
1704                 for ( size_t j = 0; j < 8; ++j ){
1705                         Ray ray( aabb.origin, -viewvector );
1706                         //Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] - frustumPlanes[i].normal() * 16.0f ) );
1707                         Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] ) );
1708                         float d = vector3_dot( ray.direction, newplane.normal() );
1709                         if( d != 0 ){
1710                                 float s = vector3_dot( newplane.normal() * newplane.dist() - ray.origin, newplane.normal() ) / d;
1711                                 offset = std::max( offset, s );
1712                         }
1713                 }
1714         }
1715         Camera_setOrigin( camwnd, aabb.origin - viewvector * offset );
1716 }
1717
1718 void Camera_ChangeFloorUp(){
1719         CamWnd& camwnd = *g_camwnd;
1720         camwnd.Cam_ChangeFloor( true );
1721 }
1722
1723 void Camera_ChangeFloorDown(){
1724         CamWnd& camwnd = *g_camwnd;
1725         camwnd.Cam_ChangeFloor( false );
1726 }
1727
1728 void Camera_CubeIn(){
1729         CamWnd& camwnd = *g_camwnd;
1730         g_camwindow_globals.m_nCubicScale--;
1731         if ( g_camwindow_globals.m_nCubicScale < 1 ) {
1732                 g_camwindow_globals.m_nCubicScale = 1;
1733         }
1734         Camera_updateProjection( camwnd.getCamera() );
1735         CamWnd_Update( camwnd );
1736         g_pParentWnd->SetGridStatus();
1737 }
1738
1739 void Camera_CubeOut(){
1740         CamWnd& camwnd = *g_camwnd;
1741         g_camwindow_globals.m_nCubicScale++;
1742         if ( g_camwindow_globals.m_nCubicScale > 46 ) {
1743                 g_camwindow_globals.m_nCubicScale = 46;
1744         }
1745         Camera_updateProjection( camwnd.getCamera() );
1746         CamWnd_Update( camwnd );
1747         g_pParentWnd->SetGridStatus();
1748 }
1749
1750 bool Camera_GetFarClip(){
1751         return g_camwindow_globals_private.m_bCubicClipping;
1752 }
1753
1754 ConstReferenceCaller<bool, void(const Callback<void(bool)> &), PropertyImpl<bool>::Export> g_getfarclip_caller( g_camwindow_globals_private.m_bCubicClipping );
1755 ToggleItem g_getfarclip_item( g_getfarclip_caller );
1756
1757 void Camera_SetFarClip( bool value ){
1758         CamWnd& camwnd = *g_camwnd;
1759         g_camwindow_globals_private.m_bCubicClipping = value;
1760         g_getfarclip_item.update();
1761         Camera_updateProjection( camwnd.getCamera() );
1762         CamWnd_Update( camwnd );
1763 }
1764
1765 struct Camera_FarClip {
1766         static void Export(const Callback<void(bool)> &returnz) {
1767                 returnz(g_camwindow_globals_private.m_bCubicClipping);
1768         }
1769
1770         static void Import(bool value) {
1771                 Camera_SetFarClip(value);
1772         }
1773 };
1774
1775 void Camera_ToggleFarClip(){
1776         Camera_SetFarClip( !Camera_GetFarClip() );
1777 }
1778
1779
1780 void CamWnd_constructToolbar( ui::Toolbar toolbar ){
1781         toolbar_append_toggle_button( toolbar, "Cubic clip the camera view (Ctrl + \\)", "view_cubicclipping.png", "ToggleCubicClip" );
1782 }
1783
1784 void CamWnd_registerShortcuts(){
1785         toggle_add_accelerator( "ToggleCubicClip" );
1786
1787         if ( g_pGameDescription->mGameType == "doom3" ) {
1788                 command_connect_accelerator( "TogglePreview" );
1789         }
1790
1791         command_connect_accelerator( "FOVInc" );
1792         command_connect_accelerator( "FOVDec" );
1793         command_connect_accelerator( "CameraSpeedInc" );
1794         command_connect_accelerator( "CameraSpeedDec" );
1795 }
1796
1797
1798 void GlobalCamera_Benchmark(){
1799         CamWnd& camwnd = *g_camwnd;
1800         camwnd.BenchMark();
1801 }
1802
1803 void GlobalCamera_Update(){
1804         CamWnd& camwnd = *g_camwnd;
1805         CamWnd_Update( camwnd );
1806 }
1807
1808 camera_draw_mode CamWnd_GetMode(){
1809         return camera_t::draw_mode;
1810 }
1811 void CamWnd_SetMode( camera_draw_mode mode ){
1812         ShaderCache_setBumpEnabled( mode == cd_lighting );
1813         camera_t::draw_mode = mode;
1814         if ( g_camwnd != 0 ) {
1815                 CamWnd_Update( *g_camwnd );
1816         }
1817 }
1818
1819 void CamWnd_TogglePreview( void ){
1820         // gametype must be doom3 for this function to work
1821         // if the gametype is not doom3 something is wrong with the
1822         // global command list or somebody else calls this function.
1823         ASSERT_MESSAGE( g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible" );
1824
1825         // switch between textured and lighting mode
1826         CamWnd_SetMode( ( CamWnd_GetMode() == cd_lighting ) ? cd_texture : cd_lighting );
1827 }
1828
1829
1830 CameraModel* g_camera_model = 0;
1831
1832 void CamWnd_LookThroughCamera( CamWnd& camwnd ){
1833         if ( g_camera_model != 0 ) {
1834                 CamWnd_Add_Handlers_Move( camwnd );
1835                 g_camera_model->setCameraView( 0, Callback<void()>() );
1836                 g_camera_model = 0;
1837                 Camera_updateModelview( camwnd.getCamera() );
1838                 Camera_updateProjection( camwnd.getCamera() );
1839                 CamWnd_Update( camwnd );
1840         }
1841 }
1842
1843 inline CameraModel* Instance_getCameraModel( scene::Instance& instance ){
1844         return InstanceTypeCast<CameraModel>::cast( instance );
1845 }
1846
1847 void CamWnd_LookThroughSelected( CamWnd& camwnd ){
1848         if ( g_camera_model != 0 ) {
1849                 CamWnd_LookThroughCamera( camwnd );
1850         }
1851
1852         if ( GlobalSelectionSystem().countSelected() != 0 ) {
1853                 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1854                 CameraModel* cameraModel = Instance_getCameraModel( instance );
1855                 if ( cameraModel != 0 ) {
1856                         CamWnd_Remove_Handlers_Move( camwnd );
1857                         g_camera_model = cameraModel;
1858                         g_camera_model->setCameraView( &camwnd.getCameraView(), ReferenceCaller<CamWnd, void(), CamWnd_LookThroughCamera>( camwnd ) );
1859                 }
1860         }
1861 }
1862
1863 void GlobalCamera_LookThroughSelected(){
1864         CamWnd_LookThroughSelected( *g_camwnd );
1865 }
1866
1867 void GlobalCamera_LookThroughCamera(){
1868         CamWnd_LookThroughCamera( *g_camwnd );
1869 }
1870
1871 struct RenderMode {
1872         static void Export(const Callback<void(int)> &returnz) {
1873                 switch (CamWnd_GetMode()) {
1874                         case cd_wire:
1875                                 returnz(0);
1876                                 break;
1877                         case cd_solid:
1878                                 returnz(1);
1879                                 break;
1880                         case cd_texture:
1881                                 returnz(2);
1882                                 break;
1883                         case cd_lighting:
1884                                 returnz(3);
1885                                 break;
1886                 }
1887         }
1888
1889         static void Import(int value) {
1890                 switch (value) {
1891         case 0:
1892                 CamWnd_SetMode( cd_wire );
1893                 break;
1894         case 1:
1895                 CamWnd_SetMode( cd_solid );
1896                 break;
1897         case 2:
1898                 CamWnd_SetMode( cd_texture );
1899                 break;
1900         case 3:
1901                 CamWnd_SetMode( cd_lighting );
1902                 break;
1903         default:
1904                 CamWnd_SetMode( cd_texture );
1905         }
1906 }
1907 };
1908
1909 void Camera_constructPreferences( PreferencesPage& page ){
1910         page.appendSlider( "FOV", g_camwindow_globals_private.m_nFOV, TRUE, 0, 0, 100, MIN_FOV, MAX_FOV, 1, 10 );
1911         page.appendSlider( "Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10 );
1912         page.appendCheckBox( "", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed );
1913         page.appendSlider( "Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10 );
1914         page.appendCheckBox( "", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse );
1915         page.appendCheckBox(
1916                 "", "Discrete movement",
1917                 make_property<CamWnd_Move_Discrete>()
1918                 );
1919         page.appendCheckBox(
1920                 "", "Enable far-clip plane",
1921                 make_property<Camera_FarClip>()
1922                 );
1923
1924         if ( g_pGameDescription->mGameType == "doom3" ) {
1925                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1926
1927                 page.appendCombo(
1928                         "Render Mode",
1929                         STRING_ARRAY_RANGE( render_mode ),
1930                         make_property<RenderMode>()
1931                         );
1932         }
1933         else
1934         {
1935                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1936
1937                 page.appendCombo(
1938                         "Render Mode",
1939                         STRING_ARRAY_RANGE( render_mode ),
1940                         make_property<RenderMode>()
1941                         );
1942         }
1943
1944         const char* strafe_mode[] = { "None", "Up", "Forward", "Both", "Both Inverted" };
1945
1946         page.appendCombo(
1947                 "Strafe Mode",
1948                 g_camwindow_globals_private.m_nStrafeMode,
1949                 STRING_ARRAY_RANGE( strafe_mode )
1950                 );
1951 }
1952 void Camera_constructPage( PreferenceGroup& group ){
1953         PreferencesPage page( group.createPage( "Camera", "Camera View Preferences" ) );
1954         Camera_constructPreferences( page );
1955 }
1956 void Camera_registerPreferencesPage(){
1957         PreferencesDialog_addSettingsPage( makeCallbackF(Camera_constructPage) );
1958 }
1959
1960 #include "preferencesystem.h"
1961 #include "stringio.h"
1962 #include "dialog.h"
1963
1964 void FOV_increase(){
1965         CamWnd& camwnd = *g_camwnd;
1966         if ( g_camwindow_globals_private.m_nFOV <= ( MAX_FOV - FOV_STEP - 10 ) ) {
1967                 g_camwindow_globals_private.m_nFOV += FOV_STEP;
1968         }
1969         else {
1970                 g_camwindow_globals_private.m_nFOV = MAX_FOV - 10;
1971         }
1972         Camera_updateProjection( camwnd.getCamera() );
1973         CamWnd_Update( camwnd );
1974 }
1975
1976 void FOV_decrease(){
1977         CamWnd& camwnd = *g_camwnd;
1978         if ( g_camwindow_globals_private.m_nFOV >= ( MIN_FOV + FOV_STEP ) ) {
1979                 g_camwindow_globals_private.m_nFOV -= FOV_STEP;
1980         }
1981         else {
1982                 g_camwindow_globals_private.m_nFOV = MIN_FOV;
1983         }
1984         Camera_updateProjection( camwnd.getCamera() );
1985         CamWnd_Update( camwnd );
1986 }
1987
1988
1989 void CameraSpeed_increase(){
1990         if ( g_camwindow_globals_private.m_nMoveSpeed <= ( MAX_CAM_SPEED - CAM_SPEED_STEP - 10 ) ) {
1991                 g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
1992         }
1993         else {
1994                 g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
1995         }
1996 }
1997
1998 void CameraSpeed_decrease(){
1999         if ( g_camwindow_globals_private.m_nMoveSpeed >= ( MIN_CAM_SPEED + CAM_SPEED_STEP ) ) {
2000                 g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
2001         }
2002         else {
2003                 g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
2004         }
2005 }
2006
2007 /// \brief Initialisation for things that have the same lifespan as this module.
2008 void CamWnd_Construct(){
2009         GlobalCommands_insert( "CenterView", makeCallbackF(GlobalCamera_ResetAngles), Accelerator( GDK_KEY_End ) );
2010         GlobalCommands_insert( "CameraFocusOnSelected", makeCallbackF( GlobalCamera_FocusOnSelected ), Accelerator( GDK_Tab ) );
2011
2012         GlobalToggles_insert( "ToggleCubicClip", makeCallbackF(Camera_ToggleFarClip), ToggleItem::AddCallbackCaller( g_getfarclip_item ), Accelerator( '\\', (GdkModifierType)GDK_CONTROL_MASK ) );
2013         GlobalCommands_insert( "CubicClipZoomIn", makeCallbackF(Camera_CubeIn), Accelerator( '[', (GdkModifierType)GDK_CONTROL_MASK ) );
2014         GlobalCommands_insert( "CubicClipZoomOut", makeCallbackF(Camera_CubeOut), Accelerator( ']', (GdkModifierType)GDK_CONTROL_MASK ) );
2015
2016         GlobalCommands_insert( "UpFloor", makeCallbackF(Camera_ChangeFloorUp), Accelerator( GDK_KEY_Prior ) );
2017         GlobalCommands_insert( "DownFloor", makeCallbackF(Camera_ChangeFloorDown), Accelerator( GDK_KEY_Next ) );
2018
2019         GlobalToggles_insert( "ToggleCamera", ToggleShown::ToggleCaller( g_camera_shown ), ToggleItem::AddCallbackCaller( g_camera_shown.m_item ), Accelerator( 'C', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2020 //      GlobalCommands_insert( "LookThroughSelected", makeCallbackF(GlobalCamera_LookThroughSelected) );
2021 //      GlobalCommands_insert( "LookThroughCamera", makeCallbackF(GlobalCamera_LookThroughCamera) );
2022
2023         if ( g_pGameDescription->mGameType == "doom3" ) {
2024                 GlobalCommands_insert( "TogglePreview", makeCallbackF(CamWnd_TogglePreview), Accelerator( GDK_KEY_F3 ) );
2025         }
2026
2027         GlobalCommands_insert( "FOVInc", makeCallbackF(FOV_increase), Accelerator( GDK_KEY_KP_Multiply, (GdkModifierType)GDK_SHIFT_MASK ) );
2028         GlobalCommands_insert( "FOVDec", makeCallbackF(FOV_decrease), Accelerator( GDK_KEY_KP_Divide, (GdkModifierType)GDK_SHIFT_MASK ) );
2029
2030         GlobalCommands_insert( "CameraSpeedInc", makeCallbackF(CameraSpeed_increase), Accelerator( GDK_KEY_KP_Add, (GdkModifierType)GDK_SHIFT_MASK ) );
2031         GlobalCommands_insert( "CameraSpeedDec", makeCallbackF(CameraSpeed_decrease), Accelerator( GDK_KEY_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK ) );
2032
2033         GlobalShortcuts_insert( "CameraForward", Accelerator( GDK_KEY_Up ) );
2034         GlobalShortcuts_insert( "CameraBack", Accelerator( GDK_KEY_Down ) );
2035         GlobalShortcuts_insert( "CameraLeft", Accelerator( GDK_KEY_Left ) );
2036         GlobalShortcuts_insert( "CameraRight", Accelerator( GDK_KEY_Right ) );
2037         GlobalShortcuts_insert( "CameraStrafeRight", Accelerator( GDK_KEY_period ) );
2038         GlobalShortcuts_insert( "CameraStrafeLeft", Accelerator( GDK_KEY_comma ) );
2039
2040         GlobalShortcuts_insert( "CameraUp", accelerator_null() );
2041         GlobalShortcuts_insert( "CameraDown", accelerator_null() );
2042         GlobalShortcuts_insert( "CameraAngleUp", accelerator_null() );
2043         GlobalShortcuts_insert( "CameraAngleDown", accelerator_null() );
2044
2045         GlobalShortcuts_insert( "CameraFreeMoveForward", Accelerator( GDK_Up ) );
2046         GlobalShortcuts_insert( "CameraFreeMoveBack", Accelerator( GDK_Down ) );
2047         GlobalShortcuts_insert( "CameraFreeMoveLeft", Accelerator( GDK_Left ) );
2048         GlobalShortcuts_insert( "CameraFreeMoveRight", Accelerator( GDK_Right ) );
2049
2050         GlobalShortcuts_insert( "CameraFreeMoveForward2", Accelerator( GDK_Up ) );
2051         GlobalShortcuts_insert( "CameraFreeMoveBack2", Accelerator( GDK_Down ) );
2052         GlobalShortcuts_insert( "CameraFreeMoveLeft2", Accelerator( GDK_Left ) );
2053         GlobalShortcuts_insert( "CameraFreeMoveRight2", Accelerator( GDK_Right ) );
2054
2055         GlobalShortcuts_insert( "CameraFreeMoveUp", accelerator_null() );
2056         GlobalShortcuts_insert( "CameraFreeMoveDown", accelerator_null() );
2057
2058         GlobalToggles_insert( "ShowStats", makeCallbackF(ShowStatsToggle), ToggleItem::AddCallbackCaller( g_show_stats ) );
2059
2060         GlobalPreferenceSystem().registerPreference( "ShowStats", make_property_string( g_camwindow_globals_private.m_showStats ) );
2061         GlobalPreferenceSystem().registerPreference( "FOV", make_property_string( g_camwindow_globals_private.m_nFOV ) );
2062         GlobalPreferenceSystem().registerPreference( "MoveSpeed", make_property_string( g_camwindow_globals_private.m_nMoveSpeed ) );
2063         GlobalPreferenceSystem().registerPreference( "CamLinkSpeed", make_property_string( g_camwindow_globals_private.m_bCamLinkSpeed ) );
2064         GlobalPreferenceSystem().registerPreference( "AngleSpeed", make_property_string( g_camwindow_globals_private.m_nAngleSpeed ) );
2065         GlobalPreferenceSystem().registerPreference( "CamInverseMouse", make_property_string( g_camwindow_globals_private.m_bCamInverseMouse ) );
2066         GlobalPreferenceSystem().registerPreference( "CamDiscrete", make_property_string<CamWnd_Move_Discrete>());
2067         GlobalPreferenceSystem().registerPreference( "CubicClipping", make_property_string( g_camwindow_globals_private.m_bCubicClipping ) );
2068         GlobalPreferenceSystem().registerPreference( "CubicScale", make_property_string( g_camwindow_globals.m_nCubicScale ) );
2069         GlobalPreferenceSystem().registerPreference( "SI_Colors4", make_property_string( g_camwindow_globals.color_cameraback ) );
2070         GlobalPreferenceSystem().registerPreference( "SI_Colors12", make_property_string( g_camwindow_globals.color_selbrushes3d ) );
2071         GlobalPreferenceSystem().registerPreference( "CameraRenderMode", make_property_string<RenderMode>() );
2072         GlobalPreferenceSystem().registerPreference( "StrafeMode", make_property_string( g_camwindow_globals_private.m_nStrafeMode ) );
2073
2074         CamWnd_constructStatic();
2075
2076         Camera_registerPreferencesPage();
2077 }
2078 void CamWnd_Destroy(){
2079         CamWnd_destroyStatic();
2080 }