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_FOCUS = 1 << 10;
 371 const unsigned int MOVE_ALL = MOVE_FORWARD | MOVE_BACK | MOVE_ROTRIGHT | MOVE_ROTLEFT | MOVE_STRAFERIGHT | MOVE_STRAFELEFT | MOVE_UP | MOVE_DOWN | MOVE_PITCHUP | MOVE_PITCHDOWN | MOVE_FOCUS;
 372
 373 Vector3 Camera_getFocusPos( camera_t& camera );
 374
 375 void Cam_KeyControl( camera_t& camera, float dtime ){
 376         // Update angles
 377         if ( camera.movementflags & MOVE_ROTLEFT ) {
 378                 camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 379         }
 380         if ( camera.movementflags & MOVE_ROTRIGHT ) {
 381                 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 382         }
 383         if ( camera.movementflags & MOVE_PITCHUP ) {
 384                 camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 385                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 386                         camera.angles[CAMERA_PITCH] = 90;
 387                 }
 388         }
 389         if ( camera.movementflags & MOVE_PITCHDOWN ) {
 390                 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 391                 if ( camera.angles[CAMERA_PITCH] < -90 ) {
 392                         camera.angles[CAMERA_PITCH] = -90;
 393                 }
 394         }
 395
 396         Camera_updateModelview( camera );
 397         Camera_Freemove_updateAxes( camera );
 398
 399         // Update position
 400         if ( camera.movementflags & MOVE_FORWARD ) {
 401                 vector3_add( camera.origin, vector3_scaled( camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 402         }
 403         if ( camera.movementflags & MOVE_BACK ) {
 404                 vector3_add( camera.origin, vector3_scaled( camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 405         }
 406         if ( camera.movementflags & MOVE_STRAFELEFT ) {
 407                 vector3_add( camera.origin, vector3_scaled( camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 408         }
 409         if ( camera.movementflags & MOVE_STRAFERIGHT ) {
 410                 vector3_add( camera.origin, vector3_scaled( camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 411         }
 412         if ( camera.movementflags & MOVE_UP ) {
 413                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 414         }
 415         if ( camera.movementflags & MOVE_DOWN ) {
 416                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 417         }
 418         if ( camera.movementflags & MOVE_FOCUS ) {
 419                 camera.origin = Camera_getFocusPos( camera );
 420         }
 421
 422         Camera_updateModelview( camera );
 423 }
 424
 425 void Camera_keyMove( camera_t& camera ){
 426         camera.m_mouseMove.flush();
 427
 428         //globalOutputStream() << "keymove... ";
 429         float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
 430         camera.m_keycontrol_timer.start();
 431         if ( time_seconds > 0.05f ) {
 432                 time_seconds = 0.05f; // 20fps
 433         }
 434         Cam_KeyControl( camera, time_seconds * 5.0f );
 435
 436         camera.m_update();
 437         CameraMovedNotify();
 438 }
 439
 440 gboolean camera_keymove( gpointer data ){
 441         Camera_keyMove( *reinterpret_cast<camera_t*>( data ) );
 442         return TRUE;
 443 }
 444
 445 void Camera_setMovementFlags( camera_t& camera, unsigned int mask ){
 446         if ( ( ~camera.movementflags & mask ) != 0 && camera.movementflags == 0 ) {
 447                 camera.m_keymove_handler = g_idle_add( camera_keymove, &camera );
 448         }
 449         camera.movementflags |= mask;
 450 }
 451 void Camera_clearMovementFlags( camera_t& camera, unsigned int mask ){
 452         if ( ( camera.movementflags & ~mask ) == 0 && camera.movementflags != 0 ) {
 453                 g_source_remove( camera.m_keymove_handler );
 454                 camera.m_keymove_handler = 0;
 455         }
 456         camera.movementflags &= ~mask;
 457 }
 458
 459 void Camera_MoveForward_KeyDown( camera_t& camera ){
 460         Camera_setMovementFlags( camera, MOVE_FORWARD );
 461 }
 462 void Camera_MoveForward_KeyUp( camera_t& camera ){
 463         Camera_clearMovementFlags( camera, MOVE_FORWARD );
 464 }
 465 void Camera_MoveBack_KeyDown( camera_t& camera ){
 466         Camera_setMovementFlags( camera, MOVE_BACK );
 467 }
 468 void Camera_MoveBack_KeyUp( camera_t& camera ){
 469         Camera_clearMovementFlags( camera, MOVE_BACK );
 470 }
 471
 472 void Camera_MoveLeft_KeyDown( camera_t& camera ){
 473         Camera_setMovementFlags( camera, MOVE_STRAFELEFT );
 474 }
 475 void Camera_MoveLeft_KeyUp( camera_t& camera ){
 476         Camera_clearMovementFlags( camera, MOVE_STRAFELEFT );
 477 }
 478 void Camera_MoveRight_KeyDown( camera_t& camera ){
 479         Camera_setMovementFlags( camera, MOVE_STRAFERIGHT );
 480 }
 481 void Camera_MoveRight_KeyUp( camera_t& camera ){
 482         Camera_clearMovementFlags( camera, MOVE_STRAFERIGHT );
 483 }
 484
 485 void Camera_MoveUp_KeyDown( camera_t& camera ){
 486         Camera_setMovementFlags( camera, MOVE_UP );
 487 }
 488 void Camera_MoveUp_KeyUp( camera_t& camera ){
 489         Camera_clearMovementFlags( camera, MOVE_UP );
 490 }
 491 void Camera_MoveDown_KeyDown( camera_t& camera ){
 492         Camera_setMovementFlags( camera, MOVE_DOWN );
 493 }
 494 void Camera_MoveDown_KeyUp( camera_t& camera ){
 495         Camera_clearMovementFlags( camera, MOVE_DOWN );
 496 }
 497
 498 void Camera_RotateLeft_KeyDown( camera_t& camera ){
 499         Camera_setMovementFlags( camera, MOVE_ROTLEFT );
 500 }
 501 void Camera_RotateLeft_KeyUp( camera_t& camera ){
 502         Camera_clearMovementFlags( camera, MOVE_ROTLEFT );
 503 }
 504 void Camera_RotateRight_KeyDown( camera_t& camera ){
 505         Camera_setMovementFlags( camera, MOVE_ROTRIGHT );
 506 }
 507 void Camera_RotateRight_KeyUp( camera_t& camera ){
 508         Camera_clearMovementFlags( camera, MOVE_ROTRIGHT );
 509 }
 510
 511 void Camera_PitchUp_KeyDown( camera_t& camera ){
 512         Camera_setMovementFlags( camera, MOVE_PITCHUP );
 513 }
 514 void Camera_PitchUp_KeyUp( camera_t& camera ){
 515         Camera_clearMovementFlags( camera, MOVE_PITCHUP );
 516 }
 517 void Camera_PitchDown_KeyDown( camera_t& camera ){
 518         Camera_setMovementFlags( camera, MOVE_PITCHDOWN );
 519 }
 520 void Camera_PitchDown_KeyUp( camera_t& camera ){
 521         Camera_clearMovementFlags( camera, MOVE_PITCHDOWN );
 522 }
 523
 524 void Camera_Focus_KeyDown( camera_t& camera ){
 525         Camera_setMovementFlags( camera, MOVE_FOCUS );
 526 }
 527 void Camera_Focus_KeyUp( camera_t& camera ){
 528         Camera_clearMovementFlags( camera, MOVE_FOCUS );
 529 }
 530
 531 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
 532 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
 533 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
 534 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
 535 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
 536 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
 537 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
 538 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
 539 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
 540 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
 541 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
 542 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 543
 544 typedef ReferenceCaller<camera_t, void(), &Camera_Focus_KeyDown> FreeMoveCameraFocusKeyDownCaller;
 545 typedef ReferenceCaller<camera_t, void(), &Camera_Focus_KeyUp> FreeMoveCameraFocusKeyUpCaller;
 546
 547 const float MIN_FOV = 60;
 548 const float MAX_FOV = 179;
 549 const float FOV_STEP = 10;
 550 const float SPEED_MOVE = 32;
 551 const float SPEED_TURN = 22.5;
 552 const float MIN_CAM_SPEED = 10;
 553 const float MAX_CAM_SPEED = 610;
 554 const float CAM_SPEED_STEP = 50;
 555
 556 void Camera_MoveForward_Discrete( camera_t& camera ){
 557         Camera_Move_updateAxes( camera );
 558         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, SPEED_MOVE ) ) );
 559 }
 560 void Camera_MoveBack_Discrete( camera_t& camera ){
 561         Camera_Move_updateAxes( camera );
 562         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, -SPEED_MOVE ) ) );
 563 }
 564
 565 void Camera_MoveUp_Discrete( camera_t& camera ){
 566         Vector3 origin( Camera_getOrigin( camera ) );
 567         origin[2] += SPEED_MOVE;
 568         Camera_setOrigin( camera, origin );
 569 }
 570 void Camera_MoveDown_Discrete( camera_t& camera ){
 571         Vector3 origin( Camera_getOrigin( camera ) );
 572         origin[2] -= SPEED_MOVE;
 573         Camera_setOrigin( camera, origin );
 574 }
 575
 576 void Camera_MoveLeft_Discrete( camera_t& camera ){
 577         Camera_Move_updateAxes( camera );
 578         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, -SPEED_MOVE ) ) );
 579 }
 580 void Camera_MoveRight_Discrete( camera_t& camera ){
 581         Camera_Move_updateAxes( camera );
 582         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, SPEED_MOVE ) ) );
 583 }
 584
 585 void Camera_RotateLeft_Discrete( camera_t& camera ){
 586         Vector3 angles( Camera_getAngles( camera ) );
 587         angles[CAMERA_YAW] += SPEED_TURN;
 588         Camera_setAngles( camera, angles );
 589 }
 590 void Camera_RotateRight_Discrete( camera_t& camera ){
 591         Vector3 angles( Camera_getAngles( camera ) );
 592         angles[CAMERA_YAW] -= SPEED_TURN;
 593         Camera_setAngles( camera, angles );
 594 }
 595
 596 void Camera_PitchUp_Discrete( camera_t& camera ){
 597         Vector3 angles( Camera_getAngles( camera ) );
 598         angles[CAMERA_PITCH] += SPEED_TURN;
 599         if ( angles[CAMERA_PITCH] > 90 ) {
 600                 angles[CAMERA_PITCH] = 90;
 601         }
 602         Camera_setAngles( camera, angles );
 603 }
 604 void Camera_PitchDown_Discrete( camera_t& camera ){
 605         Vector3 angles( Camera_getAngles( camera ) );
 606         angles[CAMERA_PITCH] -= SPEED_TURN;
 607         if ( angles[CAMERA_PITCH] < -90 ) {
 608                 angles[CAMERA_PITCH] = -90;
 609         }
 610         Camera_setAngles( camera, angles );
 611 }
 612
 613
 614 class RadiantCameraView : public CameraView
 615 {
 616 camera_t& m_camera;
 617 View* m_view;
 618 Callback<void()> m_update;
 619 public:
 620 RadiantCameraView( camera_t& camera, View* view, const Callback<void()>& update ) : m_camera( camera ), m_view( view ), m_update( update ){
 621 }
 622 void update(){
 623         m_view->Construct( m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height );
 624         m_update();
 625 }
 626 void setModelview( const Matrix4& modelview ){
 627         m_camera.modelview = modelview;
 628         matrix4_multiply_by_matrix4( m_camera.modelview, g_radiant2opengl );
 629         matrix4_affine_invert( m_camera.modelview );
 630         Camera_updateVectors( m_camera );
 631         update();
 632 }
 633 void setFieldOfView( float fieldOfView ){
 634         float farClip = Camera_getFarClipPlane( m_camera );
 635         m_camera.projection = projection_for_camera( farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height );
 636         update();
 637 }
 638 };
 639
 640
 641 void Camera_motionDelta( int x, int y, unsigned int state, void* data ){
 642         camera_t* cam = reinterpret_cast<camera_t*>( data );
 643
 644         cam->m_mouseMove.motion_delta( x, y, state );
 645
 646         cam->m_strafe_forward_invert = false;
 647
 648         switch ( g_camwindow_globals_private.m_nStrafeMode )
 649         {
 650         case 0:
 651                 cam->m_strafe = false;
 652                 break;
 653         case 1:
 654                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 655                 cam->m_strafe_forward = false;
 656                 break;
 657         case 2:
 658                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 659                 cam->m_strafe_forward = cam->m_strafe;
 660                 break;
 661         case 4:
 662                 cam->m_strafe_forward_invert = true; // fall through
 663         default: /* 3 & 4 */
 664                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0;
 665                 if ( cam->m_strafe ) {
 666                         cam->m_strafe_forward = ( state & GDK_SHIFT_MASK ) != 0;
 667                 }
 668                 else{
 669                         cam->m_strafe_forward = false;
 670                 }
 671                 break;
 672         }
 673 }
 674
 675
 676
 677
 678
 679 class CamWnd
 680 {
 681 View m_view;
 682 camera_t m_Camera;
 683 RadiantCameraView m_cameraview;
 684 #if 0
 685 int m_PositionDragCursorX;
 686 int m_PositionDragCursorY;
 687 #endif
 688
 689 guint m_freemove_handle_focusout;
 690
 691 static Shader* m_state_select1;
 692 static Shader* m_state_select2;
 693
 694 FreezePointer m_freezePointer;
 695
 696 public:
 697 ui::GLArea m_gl_widget;
 698 ui::Window m_parent{ui::null};
 699
 700 SelectionSystemWindowObserver* m_window_observer;
 701 XORRectangle m_XORRectangle;
 702
 703 DeferredDraw m_deferredDraw;
 704 DeferredMotion m_deferred_motion;
 705
 706 guint m_selection_button_press_handler;
 707 guint m_selection_button_release_handler;
 708 guint m_selection_motion_handler;
 709
 710 guint m_freelook_button_press_handler;
 711
 712 guint m_sizeHandler;
 713 guint m_exposeHandler;
 714
 715 CamWnd();
 716 ~CamWnd();
 717
 718 bool m_drawing;
 719 void queue_draw(){
 720         //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
 721         if ( m_drawing ) {
 722                 return;
 723         }
 724         //globalOutputStream() << "queue... ";
 725         m_deferredDraw.draw();
 726 }
 727 void draw();
 728
 729 static void captureStates(){
 730         m_state_select1 = GlobalShaderCache().capture( "$CAM_HIGHLIGHT" );
 731         m_state_select2 = GlobalShaderCache().capture( "$CAM_OVERLAY" );
 732 }
 733 static void releaseStates(){
 734         GlobalShaderCache().release( "$CAM_HIGHLIGHT" );
 735         GlobalShaderCache().release( "$CAM_OVERLAY" );
 736 }
 737
 738 camera_t& getCamera(){
 739         return m_Camera;
 740 }
 741
 742 void BenchMark();
 743 void Cam_ChangeFloor( bool up );
 744
 745 void DisableFreeMove();
 746 void EnableFreeMove();
 747 bool m_bFreeMove;
 748
 749 CameraView& getCameraView(){
 750         return m_cameraview;
 751 }
 752
 753 private:
 754 void Cam_Draw();
 755 };
 756
 757 typedef MemberCaller<CamWnd, void(), &CamWnd::queue_draw> CamWndQueueDraw;
 758
 759 Shader* CamWnd::m_state_select1 = 0;
 760 Shader* CamWnd::m_state_select2 = 0;
 761
 762 CamWnd* NewCamWnd(){
 763         return new CamWnd;
 764 }
 765 void DeleteCamWnd( CamWnd* camwnd ){
 766         delete camwnd;
 767 }
 768
 769 void CamWnd_constructStatic(){
 770         CamWnd::captureStates();
 771 }
 772
 773 void CamWnd_destroyStatic(){
 774         CamWnd::releaseStates();
 775 }
 776
 777 static CamWnd* g_camwnd = 0;
 778
 779 void GlobalCamera_setCamWnd( CamWnd& camwnd ){
 780         g_camwnd = &camwnd;
 781 }
 782
 783
 784 ui::GLArea CamWnd_getWidget( CamWnd& camwnd ){
 785         return camwnd.m_gl_widget;
 786 }
 787
 788 ui::Window CamWnd_getParent( CamWnd& camwnd ){
 789         return camwnd.m_parent;
 790 }
 791
 792 ToggleShown g_camera_shown( true );
 793
 794 void CamWnd_setParent( CamWnd& camwnd, ui::Window parent ){
 795         camwnd.m_parent = parent;
 796         g_camera_shown.connect( camwnd.m_parent );
 797 }
 798
 799 void CamWnd_Update( CamWnd& camwnd ){
 800         camwnd.queue_draw();
 801 }
 802
 803
 804
 805 camwindow_globals_t g_camwindow_globals;
 806
 807 const Vector3& Camera_getOrigin( CamWnd& camwnd ){
 808         return Camera_getOrigin( camwnd.getCamera() );
 809 }
 810
 811 void Camera_setOrigin( CamWnd& camwnd, const Vector3& origin ){
 812         Camera_setOrigin( camwnd.getCamera(), origin );
 813 }
 814
 815 const Vector3& Camera_getAngles( CamWnd& camwnd ){
 816         return Camera_getAngles( camwnd.getCamera() );
 817 }
 818
 819 void Camera_setAngles( CamWnd& camwnd, const Vector3& angles ){
 820         Camera_setAngles( camwnd.getCamera(), angles );
 821 }
 822
 823
 824 // =============================================================================
 825 // CamWnd class
 826
 827 gboolean enable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 828         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 829                 camwnd->EnableFreeMove();
 830                 return TRUE;
 831         }
 832         return FALSE;
 833 }
 834
 835 gboolean disable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 836         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 837                 camwnd->DisableFreeMove();
 838                 return TRUE;
 839         }
 840         return FALSE;
 841 }
 842
 843 #if 0
 844 gboolean mousecontrol_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 845         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
 846                 Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
 847         }
 848         return FALSE;
 849 }
 850 #endif
 851
 852 void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
 853         if ( self.m_gl_widget.visible() ) {
 854                 self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ) );
 855         }
 856 }
 857
 858
 859 gboolean selection_button_press( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 860         if ( event->type == GDK_BUTTON_PRESS ) {
 861                 gtk_widget_grab_focus( widget );
 862                 observer->onMouseDown( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 863         }
 864         return FALSE;
 865 }
 866
 867 gboolean selection_button_release( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 868         if ( event->type == GDK_BUTTON_RELEASE ) {
 869                 observer->onMouseUp( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 870         }
 871         return FALSE;
 872 }
 873
 874 void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 875         //globalOutputStream() << "motion... ";
 876         reinterpret_cast<WindowObserver*>( data )->onMouseMotion( WindowVector_forDouble( x, y ), modifiers_for_state( state ) );
 877 }
 878
 879 inline WindowVector windowvector_for_widget_centre( ui::Widget widget ){
 880         auto allocation = widget.dimensions();
 881         return WindowVector( static_cast<float>( allocation.width / 2 ), static_cast<float>(allocation.height / 2 ) );
 882 }
 883
 884 gboolean selection_button_press_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 885         if ( event->type == GDK_BUTTON_PRESS ) {
 886                 observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 887         }
 888         return FALSE;
 889 }
 890
 891 gboolean selection_button_release_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 892         if ( event->type == GDK_BUTTON_RELEASE ) {
 893                 observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 894         }
 895         return FALSE;
 896 }
 897
 898 gboolean selection_motion_freemove( ui::Widget widget, GdkEventMotion *event, WindowObserver* observer ){
 899         observer->onMouseMotion( windowvector_for_widget_centre( widget ), modifiers_for_state( event->state ) );
 900         return FALSE;
 901 }
 902
 903 gboolean wheelmove_scroll( ui::Widget widget, GdkEventScroll* event, CamWnd* camwnd ){
 904         //gtk_window_set_focus( camwnd->m_parent, camwnd->m_gl_widget );
 905         gtk_widget_grab_focus( camwnd->m_gl_widget );
 906         if( !gtk_window_is_active( camwnd->m_parent ) )
 907                 gtk_window_present( camwnd->m_parent );
 908
 909         if ( event->direction == GDK_SCROLL_UP ) {
 910                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 911                 if( camwnd->m_bFreeMove || !g_camwindow_globals.m_bZoomInToPointer ){
 912                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 913                 }
 914                 else{
 915                         //Matrix4 maa = matrix4_multiplied_by_matrix4( camwnd->getCamera().projection, camwnd->getCamera().modelview );
 916                         Matrix4 maa = camwnd->getCamera().m_view->GetViewMatrix();
 917                         matrix4_affine_invert( maa );
 918
 919                         float x = static_cast<float>( event->x );
 920                         float y = static_cast<float>( event->y );
 921                         Vector3 normalized;
 922
 923                         normalized[0] = 2.0f * ( x ) / static_cast<float>( camwnd->getCamera().width ) - 1.0f;
 924                         normalized[1] = 2.0f * ( y )/ static_cast<float>( camwnd->getCamera().height ) - 1.0f;
 925                         normalized[1] *= -1.f;
 926                         normalized[2] = 0.f;
 927
 928                         normalized *= 16.0f;
 929                                 //globalOutputStream() << normalized << " normalized    ";
 930                         matrix4_transform_point( maa, normalized );
 931                                 //globalOutputStream() << normalized << "\n";
 932                         Vector3 norm = vector3_normalised( normalized - Camera_getOrigin( *camwnd ) );
 933                                 //globalOutputStream() << normalized - Camera_getOrigin( *camwnd ) << "  normalized - Camera_getOrigin( *camwnd )\n";
 934                                 //globalOutputStream() << norm << "  norm\n";
 935                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( norm, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 936                 }
 937         }
 938         else if ( event->direction == GDK_SCROLL_DOWN ) {
 939                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 940                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 941         }
 942
 943         return FALSE;
 944 }
 945
 946 gboolean camera_size_allocate( ui::Widget widget, GtkAllocation* allocation, CamWnd* camwnd ){
 947         camwnd->getCamera().width = allocation->width;
 948         camwnd->getCamera().height = allocation->height;
 949         Camera_updateProjection( camwnd->getCamera() );
 950         camwnd->m_window_observer->onSizeChanged( camwnd->getCamera().width, camwnd->getCamera().height );
 951         camwnd->queue_draw();
 952         return FALSE;
 953 }
 954
 955 gboolean camera_expose( ui::Widget widget, GdkEventExpose* event, gpointer data ){
 956         reinterpret_cast<CamWnd*>( data )->draw();
 957         return FALSE;
 958 }
 959
 960 void KeyEvent_connect( const char* name ){
 961         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 962         keydown_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyDown );
 963         keyup_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyUp );
 964 }
 965
 966 void KeyEvent_disconnect( const char* name ){
 967         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 968         keydown_accelerators_remove( keyEvent.m_accelerator );
 969         keyup_accelerators_remove( keyEvent.m_accelerator );
 970 }
 971
 972 void CamWnd_registerCommands( CamWnd& camwnd ){
 973         GlobalKeyEvents_insert( "CameraForward", accelerator_null(),
 974                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyDown>( camwnd.getCamera() ),
 975                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyUp>( camwnd.getCamera() )
 976                                                         );
 977         GlobalKeyEvents_insert( "CameraBack", accelerator_null(),
 978                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyDown>( camwnd.getCamera() ),
 979                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyUp>( camwnd.getCamera() )
 980                                                         );
 981         GlobalKeyEvents_insert( "CameraLeft", accelerator_null(),
 982                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyDown>( camwnd.getCamera() ),
 983                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyUp>( camwnd.getCamera() )
 984                                                         );
 985         GlobalKeyEvents_insert( "CameraRight", accelerator_null(),
 986                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyDown>( camwnd.getCamera() ),
 987                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyUp>( camwnd.getCamera() )
 988                                                         );
 989         GlobalKeyEvents_insert( "CameraStrafeRight", accelerator_null(),
 990                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyDown>( camwnd.getCamera() ),
 991                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyUp>( camwnd.getCamera() )
 992                                                         );
 993         GlobalKeyEvents_insert( "CameraStrafeLeft", accelerator_null(),
 994                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyDown>( camwnd.getCamera() ),
 995                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyUp>( camwnd.getCamera() )
 996                                                         );
 997         GlobalKeyEvents_insert( "CameraUp", accelerator_null(),
 998                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyDown>( camwnd.getCamera() ),
 999                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyUp>( camwnd.getCamera() )
1000                                                         );
1001         GlobalKeyEvents_insert( "CameraDown", accelerator_null(),
1002                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyDown>( camwnd.getCamera() ),
1003                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyUp>( camwnd.getCamera() )
1004                                                         );
1005         GlobalKeyEvents_insert( "CameraAngleUp", accelerator_null(),
1006                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyDown>( camwnd.getCamera() ),
1007                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyUp>( camwnd.getCamera() )
1008                                                         );
1009         GlobalKeyEvents_insert( "CameraAngleDown", accelerator_null(),
1010                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyDown>( camwnd.getCamera() ),
1011                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyUp>( camwnd.getCamera() )
1012                                                         );
1013
1014
1015         GlobalKeyEvents_insert( "CameraFreeMoveForward", accelerator_null(),
1016                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1017                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1018                                                         );
1019         GlobalKeyEvents_insert( "CameraFreeMoveBack", accelerator_null(),
1020                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1021                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1022                                                         );
1023         GlobalKeyEvents_insert( "CameraFreeMoveLeft", accelerator_null(),
1024                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1025                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1026                                                         );
1027         GlobalKeyEvents_insert( "CameraFreeMoveRight", accelerator_null(),
1028                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1029                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1030                                                         );
1031
1032         GlobalKeyEvents_insert( "CameraFreeMoveForward2", accelerator_null(),
1033                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1034                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1035                                                         );
1036         GlobalKeyEvents_insert( "CameraFreeMoveBack2", accelerator_null(),
1037                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1038                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1039                                                         );
1040         GlobalKeyEvents_insert( "CameraFreeMoveLeft2", accelerator_null(),
1041                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1042                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1043                                                         );
1044         GlobalKeyEvents_insert( "CameraFreeMoveRight2", accelerator_null(),
1045                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1046                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1047                                                         );
1048
1049         GlobalKeyEvents_insert( "CameraFreeMoveUp", accelerator_null(),
1050                                                         FreeMoveCameraMoveUpKeyDownCaller( camwnd.getCamera() ),
1051                                                         FreeMoveCameraMoveUpKeyUpCaller( camwnd.getCamera() )
1052                                                         );
1053         GlobalKeyEvents_insert( "CameraFreeMoveDown", accelerator_null(),
1054                                                         FreeMoveCameraMoveDownKeyDownCaller( camwnd.getCamera() ),
1055                                                         FreeMoveCameraMoveDownKeyUpCaller( camwnd.getCamera() )
1056                                                         );
1057
1058         GlobalKeyEvents_insert( "CameraFreeFocus", accelerator_null(),
1059                                                         FreeMoveCameraFocusKeyDownCaller( camwnd.getCamera() ),
1060                                                         FreeMoveCameraFocusKeyUpCaller( camwnd.getCamera() )
1061                                                         );
1062
1063         GlobalCommands_insert( "CameraForward", ReferenceCaller<camera_t, void(), Camera_MoveForward_Discrete>( camwnd.getCamera() ) );
1064         GlobalCommands_insert( "CameraBack", ReferenceCaller<camera_t, void(), Camera_MoveBack_Discrete>( camwnd.getCamera() ) );
1065         GlobalCommands_insert( "CameraLeft", ReferenceCaller<camera_t, void(), Camera_RotateLeft_Discrete>( camwnd.getCamera() ) );
1066         GlobalCommands_insert( "CameraRight", ReferenceCaller<camera_t, void(), Camera_RotateRight_Discrete>( camwnd.getCamera() ) );
1067         GlobalCommands_insert( "CameraStrafeRight", ReferenceCaller<camera_t, void(), Camera_MoveRight_Discrete>( camwnd.getCamera() ) );
1068         GlobalCommands_insert( "CameraStrafeLeft", ReferenceCaller<camera_t, void(), Camera_MoveLeft_Discrete>( camwnd.getCamera() ) );
1069
1070         GlobalCommands_insert( "CameraUp", ReferenceCaller<camera_t, void(), Camera_MoveUp_Discrete>( camwnd.getCamera() ) );
1071         GlobalCommands_insert( "CameraDown", ReferenceCaller<camera_t, void(), Camera_MoveDown_Discrete>( camwnd.getCamera() ) );
1072         GlobalCommands_insert( "CameraAngleUp", ReferenceCaller<camera_t, void(), Camera_PitchUp_Discrete>( camwnd.getCamera() ) );
1073         GlobalCommands_insert( "CameraAngleDown", ReferenceCaller<camera_t, void(), Camera_PitchDown_Discrete>( camwnd.getCamera() ) );
1074 }
1075
1076 void CamWnd_Move_Enable( CamWnd& camwnd ){
1077         KeyEvent_connect( "CameraForward" );
1078         KeyEvent_connect( "CameraBack" );
1079         KeyEvent_connect( "CameraLeft" );
1080         KeyEvent_connect( "CameraRight" );
1081         KeyEvent_connect( "CameraStrafeRight" );
1082         KeyEvent_connect( "CameraStrafeLeft" );
1083         KeyEvent_connect( "CameraUp" );
1084         KeyEvent_connect( "CameraDown" );
1085         KeyEvent_connect( "CameraAngleUp" );
1086         KeyEvent_connect( "CameraAngleDown" );
1087 }
1088
1089 void CamWnd_Move_Disable( CamWnd& camwnd ){
1090         KeyEvent_disconnect( "CameraForward" );
1091         KeyEvent_disconnect( "CameraBack" );
1092         KeyEvent_disconnect( "CameraLeft" );
1093         KeyEvent_disconnect( "CameraRight" );
1094         KeyEvent_disconnect( "CameraStrafeRight" );
1095         KeyEvent_disconnect( "CameraStrafeLeft" );
1096         KeyEvent_disconnect( "CameraUp" );
1097         KeyEvent_disconnect( "CameraDown" );
1098         KeyEvent_disconnect( "CameraAngleUp" );
1099         KeyEvent_disconnect( "CameraAngleDown" );
1100 }
1101
1102 void CamWnd_Move_Discrete_Enable( CamWnd& camwnd ){
1103         command_connect_accelerator( "CameraForward" );
1104         command_connect_accelerator( "CameraBack" );
1105         command_connect_accelerator( "CameraLeft" );
1106         command_connect_accelerator( "CameraRight" );
1107         command_connect_accelerator( "CameraStrafeRight" );
1108         command_connect_accelerator( "CameraStrafeLeft" );
1109         command_connect_accelerator( "CameraUp" );
1110         command_connect_accelerator( "CameraDown" );
1111         command_connect_accelerator( "CameraAngleUp" );
1112         command_connect_accelerator( "CameraAngleDown" );
1113 }
1114
1115 void CamWnd_Move_Discrete_Disable( CamWnd& camwnd ){
1116         command_disconnect_accelerator( "CameraForward" );
1117         command_disconnect_accelerator( "CameraBack" );
1118         command_disconnect_accelerator( "CameraLeft" );
1119         command_disconnect_accelerator( "CameraRight" );
1120         command_disconnect_accelerator( "CameraStrafeRight" );
1121         command_disconnect_accelerator( "CameraStrafeLeft" );
1122         command_disconnect_accelerator( "CameraUp" );
1123         command_disconnect_accelerator( "CameraDown" );
1124         command_disconnect_accelerator( "CameraAngleUp" );
1125         command_disconnect_accelerator( "CameraAngleDown" );
1126 }
1127
1128 struct CamWnd_Move_Discrete {
1129         static void Export(const Callback<void(bool)> &returnz) {
1130                 returnz(g_camwindow_globals_private.m_bCamDiscrete);
1131         }
1132
1133         static void Import(bool value) {
1134                 if (g_camwnd) {
1135                         Import_(*g_camwnd, value);
1136                 } else {
1137                         g_camwindow_globals_private.m_bCamDiscrete = value;
1138                 }
1139         }
1140
1141         static void Import_(CamWnd &camwnd, bool value) {
1142         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1143                 CamWnd_Move_Discrete_Disable( camwnd );
1144                 } else {
1145                 CamWnd_Move_Disable( camwnd );
1146         }
1147
1148         g_camwindow_globals_private.m_bCamDiscrete = value;
1149
1150         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1151                 CamWnd_Move_Discrete_Enable( camwnd );
1152                 } else {
1153                 CamWnd_Move_Enable( camwnd );
1154         }
1155 }
1156 };
1157
1158
1159 void CamWnd_Add_Handlers_Move( CamWnd& camwnd ){
1160         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press ), camwnd.m_window_observer );
1161         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release ), camwnd.m_window_observer );
1162         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &camwnd.m_deferred_motion );
1163
1164         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( enable_freelook_button_press ), &camwnd );
1165
1166         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1167                 CamWnd_Move_Discrete_Enable( camwnd );
1168         }
1169         else
1170         {
1171                 CamWnd_Move_Enable( camwnd );
1172         }
1173 }
1174
1175 void CamWnd_Remove_Handlers_Move( CamWnd& camwnd ){
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         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1183                 CamWnd_Move_Discrete_Disable( camwnd );
1184         }
1185         else
1186         {
1187                 CamWnd_Move_Disable( camwnd );
1188         }
1189 }
1190
1191 void CamWnd_Add_Handlers_FreeMove( CamWnd& camwnd ){
1192         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press_freemove ), camwnd.m_window_observer );
1193         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release_freemove ), camwnd.m_window_observer );
1194         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( selection_motion_freemove ), camwnd.m_window_observer );
1195
1196         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( disable_freelook_button_press ), &camwnd );
1197
1198         KeyEvent_connect( "CameraFreeMoveForward" );
1199         KeyEvent_connect( "CameraFreeMoveBack" );
1200         KeyEvent_connect( "CameraFreeMoveLeft" );
1201         KeyEvent_connect( "CameraFreeMoveRight" );
1202
1203         KeyEvent_connect( "CameraFreeMoveForward2" );
1204         KeyEvent_connect( "CameraFreeMoveBack2" );
1205         KeyEvent_connect( "CameraFreeMoveLeft2" );
1206         KeyEvent_connect( "CameraFreeMoveRight2" );
1207
1208         KeyEvent_connect( "CameraFreeMoveUp" );
1209         KeyEvent_connect( "CameraFreeMoveDown" );
1210
1211         KeyEvent_connect( "CameraFreeFocus" );
1212 }
1213
1214 void CamWnd_Remove_Handlers_FreeMove( CamWnd& camwnd ){
1215         KeyEvent_disconnect( "CameraFreeMoveForward" );
1216         KeyEvent_disconnect( "CameraFreeMoveBack" );
1217         KeyEvent_disconnect( "CameraFreeMoveLeft" );
1218         KeyEvent_disconnect( "CameraFreeMoveRight" );
1219
1220         KeyEvent_disconnect( "CameraFreeMoveForward2" );
1221         KeyEvent_disconnect( "CameraFreeMoveBack2" );
1222         KeyEvent_disconnect( "CameraFreeMoveLeft2" );
1223         KeyEvent_disconnect( "CameraFreeMoveRight2" );
1224
1225         KeyEvent_disconnect( "CameraFreeMoveUp" );
1226         KeyEvent_disconnect( "CameraFreeMoveDown" );
1227
1228         KeyEvent_disconnect( "CameraFreeFocus" );
1229
1230         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1231         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1232         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1233
1234         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1235 }
1236
1237 CamWnd::CamWnd() :
1238         m_view( true ),
1239         m_Camera( &m_view, CamWndQueueDraw( *this ) ),
1240         m_cameraview( m_Camera, &m_view, ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) ),
1241         m_gl_widget( glwidget_new( TRUE ) ),
1242         m_window_observer( NewWindowObserver() ),
1243         m_XORRectangle( m_gl_widget ),
1244         m_deferredDraw( WidgetQueueDrawCaller( m_gl_widget ) ),
1245         m_deferred_motion( selection_motion, m_window_observer ),
1246         m_selection_button_press_handler( 0 ),
1247         m_selection_button_release_handler( 0 ),
1248         m_selection_motion_handler( 0 ),
1249         m_freelook_button_press_handler( 0 ),
1250         m_drawing( false ){
1251         m_bFreeMove = false;
1252
1253         GlobalWindowObservers_add( m_window_observer );
1254         GlobalWindowObservers_connectWidget( m_gl_widget );
1255
1256         m_window_observer->setRectangleDrawCallback( ReferenceCaller<CamWnd, void(rect_t), camwnd_update_xor_rectangle>( *this ) );
1257         m_window_observer->setView( m_view );
1258
1259         g_object_ref( m_gl_widget._handle );
1260
1261         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 );
1262         gtk_widget_set_can_focus( m_gl_widget, true );
1263
1264         m_sizeHandler = m_gl_widget.connect( "size_allocate", G_CALLBACK( camera_size_allocate ), this );
1265         m_exposeHandler = m_gl_widget.on_render( G_CALLBACK( camera_expose ), this );
1266
1267         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
1268
1269         CamWnd_registerCommands( *this );
1270
1271         CamWnd_Add_Handlers_Move( *this );
1272
1273         m_gl_widget.connect( "scroll_event", G_CALLBACK( wheelmove_scroll ), this );
1274
1275         AddSceneChangeCallback( ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) );
1276
1277         PressedButtons_connect( g_pressedButtons, m_gl_widget );
1278 }
1279
1280 CamWnd::~CamWnd(){
1281         if ( m_bFreeMove ) {
1282                 DisableFreeMove();
1283         }
1284
1285         CamWnd_Remove_Handlers_Move( *this );
1286
1287         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
1288         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
1289
1290         m_gl_widget.unref();
1291
1292         m_window_observer->release();
1293 }
1294
1295 class FloorHeightWalker : public scene::Graph::Walker
1296 {
1297 float m_current;
1298 float& m_bestUp;
1299 float& m_bestDown;
1300 public:
1301 FloorHeightWalker( float current, float& bestUp, float& bestDown ) :
1302         m_current( current ), m_bestUp( bestUp ), m_bestDown( bestDown ){
1303         bestUp = g_MaxWorldCoord;
1304         bestDown = -g_MaxWorldCoord;
1305 }
1306 bool pre( const scene::Path& path, scene::Instance& instance ) const {
1307         if ( path.top().get().visible()
1308                  && Node_isBrush( path.top() ) ) { // this node is a floor
1309                 const AABB& aabb = instance.worldAABB();
1310                 float floorHeight = aabb.origin.z() + aabb.extents.z();
1311                 if ( floorHeight > m_current && floorHeight < m_bestUp ) {
1312                         m_bestUp = floorHeight;
1313                 }
1314                 if ( floorHeight < m_current && floorHeight > m_bestDown ) {
1315                         m_bestDown = floorHeight;
1316                 }
1317         }
1318         else if( !path.top().get().visible() ){
1319                 return false;
1320         }
1321         return true;
1322 }
1323 };
1324
1325 void CamWnd::Cam_ChangeFloor( bool up ){
1326         float current = m_Camera.origin[2] - 48;
1327         float bestUp;
1328         float bestDown;
1329         GlobalSceneGraph().traverse( FloorHeightWalker( current, bestUp, bestDown ) );
1330
1331         if ( up && bestUp != g_MaxWorldCoord ) {
1332                 current = bestUp;
1333         }
1334         if ( !up && bestDown != -g_MaxWorldCoord ) {
1335                 current = bestDown;
1336         }
1337
1338         m_Camera.origin[2] = current + 48;
1339         Camera_updateModelview( getCamera() );
1340         CamWnd_Update( *this );
1341         CameraMovedNotify();
1342 }
1343
1344
1345 #if 0
1346
1347 // button_press
1348 Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
1349
1350 // motion
1351 if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
1352          || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
1353         Cam_PositionDrag();
1354         CamWnd_Update( camwnd );
1355         CameraMovedNotify();
1356         return;
1357 }
1358
1359 void CamWnd::Cam_PositionDrag(){
1360         int x, y;
1361
1362         Sys_GetCursorPos( m_gl_widget, &x, &y );
1363         if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
1364                 x -= m_PositionDragCursorX;
1365                 vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
1366                 y -= m_PositionDragCursorY;
1367                 m_Camera.origin[2] -= y;
1368                 Camera_updateModelview();
1369                 CamWnd_Update( camwnd );
1370                 CameraMovedNotify();
1371
1372                 Sys_SetCursorPos( m_gl_widget, m_PositionDragCursorX, m_PositionDragCursorY );
1373         }
1374 }
1375 #endif
1376
1377
1378 // NOTE TTimo if there's an OS-level focus out of the application
1379 //   then we can release the camera cursor grab
1380 static gboolean camwindow_freemove_focusout( ui::Widget widget, GdkEventFocus* event, gpointer data ){
1381         reinterpret_cast<CamWnd*>( data )->DisableFreeMove();
1382         return FALSE;
1383 }
1384
1385 void CamWnd::EnableFreeMove(){
1386         //globalOutputStream() << "EnableFreeMove\n";
1387
1388         ASSERT_MESSAGE( !m_bFreeMove, "EnableFreeMove: free-move was already enabled" );
1389         m_bFreeMove = true;
1390         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1391
1392         CamWnd_Remove_Handlers_Move( *this );
1393         CamWnd_Add_Handlers_FreeMove( *this );
1394
1395         gtk_window_set_focus( m_parent, m_gl_widget );
1396         m_freemove_handle_focusout = m_gl_widget.connect( "focus_out_event", G_CALLBACK( camwindow_freemove_focusout ), this );
1397         /* We chose to replace m_parent by m_gl_widget but NetRadiantCustom does:
1398         m_freezePointer.freeze_pointer( m_parent, m_gl_widget, Camera_motionDelta, &m_Camera ); */
1399         m_freezePointer.freeze_pointer( m_gl_widget, Camera_motionDelta, &m_Camera );
1400
1401         CamWnd_Update( *this );
1402 }
1403
1404 void CamWnd::DisableFreeMove(){
1405         //globalOutputStream() << "DisableFreeMove\n";
1406
1407         ASSERT_MESSAGE( m_bFreeMove, "DisableFreeMove: free-move was not enabled" );
1408         m_bFreeMove = false;
1409         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1410
1411         CamWnd_Remove_Handlers_FreeMove( *this );
1412         CamWnd_Add_Handlers_Move( *this );
1413
1414         m_freezePointer.unfreeze_pointer( m_gl_widget, true );
1415
1416         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_freemove_handle_focusout );
1417
1418         CamWnd_Update( *this );
1419 }
1420
1421
1422 #include "renderer.h"
1423
1424 class CamRenderer : public Renderer
1425 {
1426 struct state_type
1427 {
1428         state_type() : m_highlight( 0 ), m_state( 0 ), m_lights( 0 ){
1429         }
1430         unsigned int m_highlight;
1431         Shader* m_state;
1432         const LightList* m_lights;
1433 };
1434
1435 std::vector<state_type> m_state_stack;
1436 RenderStateFlags m_globalstate;
1437 Shader* m_state_select0;
1438 Shader* m_state_select1;
1439 const Vector3& m_viewer;
1440
1441 public:
1442 CamRenderer( RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer ) :
1443         m_globalstate( globalstate ),
1444         m_state_select0( select0 ),
1445         m_state_select1( select1 ),
1446         m_viewer( viewer ){
1447         ASSERT_NOTNULL( select0 );
1448         ASSERT_NOTNULL( select1 );
1449         m_state_stack.push_back( state_type() );
1450 }
1451
1452 void SetState( Shader* state, EStyle style ){
1453         ASSERT_NOTNULL( state );
1454         if ( style == eFullMaterials ) {
1455                 m_state_stack.back().m_state = state;
1456         }
1457 }
1458 EStyle getStyle() const {
1459         return eFullMaterials;
1460 }
1461 void PushState(){
1462         m_state_stack.push_back( m_state_stack.back() );
1463 }
1464 void PopState(){
1465         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
1466         m_state_stack.pop_back();
1467 }
1468 void Highlight( EHighlightMode mode, bool bEnable = true ){
1469         if ( bEnable ) {
1470                 m_state_stack.back().m_highlight |= mode;
1471         } else {
1472                 m_state_stack.back().m_highlight &= ~mode;
1473         }
1474 }
1475 void setLights( const LightList& lights ){
1476         m_state_stack.back().m_lights = &lights;
1477 }
1478 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& world ){
1479         if ( m_state_stack.back().m_highlight & ePrimitive ) {
1480                 m_state_select0->addRenderable( renderable, world, m_state_stack.back().m_lights );
1481         }
1482         if ( m_state_stack.back().m_highlight & eFace ) {
1483                 m_state_select1->addRenderable( renderable, world, m_state_stack.back().m_lights );
1484         }
1485
1486         m_state_stack.back().m_state->addRenderable( renderable, world, m_state_stack.back().m_lights );
1487 }
1488
1489 void render( const Matrix4& modelview, const Matrix4& projection ){
1490         GlobalShaderCache().render( m_globalstate, modelview, projection, m_viewer );
1491 }
1492 };
1493
1494 /*
1495    ==============
1496    Cam_Draw
1497    ==============
1498  */
1499 /*
1500 void ShowStatsToggle(){
1501         g_camwindow_globals_private.m_showStats ^= 1;
1502 }
1503
1504 void ShowStatsExport( const Callback<void(bool)> &importer ){
1505         importer( g_camwindow_globals_private.m_showStats );
1506 }
1507
1508 FreeCaller<void(const Callback<void(bool)>&), ShowStatsExport> g_show_stats_caller;
1509 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1510 ToggleItem g_show_stats( g_show_stats_callback );
1511 */
1512
1513 void ShowStatsToggle(){
1514         g_camwindow_globals_private.m_showStats ^= 1;
1515 //      g_show_stats.update();
1516         UpdateAllWindows();
1517 }
1518 typedef FreeCaller<void(), ShowStatsToggle> ShowStatsToggleCaller;
1519 void ShowStatsExport( const Callback<void(bool)> & importer ){
1520         importer( g_camwindow_globals_private.m_showStats );
1521 }
1522 typedef FreeCaller<void(const Callback<void(bool)> &), ShowStatsExport> ShowStatsExportCaller;
1523
1524 ShowStatsExportCaller g_show_stats_caller;
1525 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1526 ToggleItem g_show_stats( g_show_stats_callback );
1527
1528 void CamWnd::Cam_Draw(){
1529         glViewport( 0, 0, m_Camera.width, m_Camera.height );
1530 #if 0
1531         GLint viewprt[4];
1532         glGetIntegerv( GL_VIEWPORT, viewprt );
1533 #endif
1534
1535         // enable depth buffer writes
1536         glDepthMask( GL_TRUE );
1537         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1538
1539         Vector3 clearColour( 0, 0, 0 );
1540         if ( m_Camera.draw_mode != cd_lighting ) {
1541                 clearColour = g_camwindow_globals.color_cameraback;
1542         }
1543
1544         glClearColor( clearColour[0], clearColour[1], clearColour[2], 0 );
1545         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1546
1547         extern void Renderer_ResetStats();
1548         Renderer_ResetStats();
1549         extern void Cull_ResetStats();
1550         Cull_ResetStats();
1551
1552         glMatrixMode( GL_PROJECTION );
1553         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.projection ) );
1554
1555         glMatrixMode( GL_MODELVIEW );
1556         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.modelview ) );
1557
1558
1559         // one directional light source directly behind the viewer
1560         {
1561                 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
1562
1563                 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1564                 ambient[3] = 1.0f;
1565                 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1566                 diffuse[3] = 1.0f;
1567                 //material[0] = material[1] = material[2] = 0.8f;
1568                 //material[3] = 1.0f;
1569
1570                 inverse_cam_dir[0] = m_Camera.vpn[0];
1571                 inverse_cam_dir[1] = m_Camera.vpn[1];
1572                 inverse_cam_dir[2] = m_Camera.vpn[2];
1573                 inverse_cam_dir[3] = 0;
1574
1575                 glLightfv( GL_LIGHT0, GL_POSITION, inverse_cam_dir );
1576
1577                 glLightfv( GL_LIGHT0, GL_AMBIENT, ambient );
1578                 glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse );
1579
1580                 glEnable( GL_LIGHT0 );
1581         }
1582
1583
1584         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;
1585         switch ( m_Camera.draw_mode )
1586         {
1587         case cd_wire:
1588                 break;
1589         case cd_solid:
1590                 globalstate |= RENDER_FILL
1591                                            | RENDER_LIGHTING
1592                                            | RENDER_SMOOTH
1593                                            | RENDER_SCALED;
1594                 break;
1595         case cd_texture:
1596                 globalstate |= RENDER_FILL
1597                                            | RENDER_LIGHTING
1598                                            | RENDER_TEXTURE
1599                                            | RENDER_SMOOTH
1600                                            | RENDER_SCALED;
1601                 break;
1602         case cd_lighting:
1603                 globalstate |= RENDER_FILL
1604                                            | RENDER_LIGHTING
1605                                            | RENDER_TEXTURE
1606                                            | RENDER_SMOOTH
1607                                            | RENDER_SCALED
1608                                            | RENDER_BUMP
1609                                            | RENDER_PROGRAM
1610                                            | RENDER_SCREEN;
1611                 break;
1612         default:
1613                 globalstate = 0;
1614                 break;
1615         }
1616
1617 //      if ( !g_xywindow_globals.m_bNoStipple ) {
1618                 globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
1619 //      }
1620
1621         {
1622                 CamRenderer renderer( globalstate, m_state_select2, m_state_select1, m_view.getViewer() );
1623
1624                 Scene_Render( renderer, m_view );
1625
1626                 renderer.render( m_Camera.modelview, m_Camera.projection );
1627         }
1628
1629         // prepare for 2d stuff
1630         glColor4f( 1, 1, 1, 1 );
1631         glDisable( GL_BLEND );
1632         glMatrixMode( GL_PROJECTION );
1633         glLoadIdentity();
1634         glOrtho( 0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100 );
1635         glScalef( 1, -1, 1 );
1636         glTranslatef( 0, -(float)m_Camera.height, 0 );
1637         glMatrixMode( GL_MODELVIEW );
1638         glLoadIdentity();
1639
1640         if ( GlobalOpenGL().GL_1_3() ) {
1641                 glClientActiveTexture( GL_TEXTURE0 );
1642                 glActiveTexture( GL_TEXTURE0 );
1643         }
1644
1645         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
1646         glDisableClientState( GL_NORMAL_ARRAY );
1647         glDisableClientState( GL_COLOR_ARRAY );
1648
1649         glDisable( GL_TEXTURE_2D );
1650         glDisable( GL_LIGHTING );
1651         glDisable( GL_COLOR_MATERIAL );
1652         glDisable( GL_DEPTH_TEST );
1653         glColor3f( 1.f, 1.f, 1.f );
1654         glLineWidth( 1 );
1655
1656         // draw the crosshair
1657         if ( m_bFreeMove ) {
1658                 glBegin( GL_LINES );
1659                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1660                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1661                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1662                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1663                 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1664                 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1665                 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1666                 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1667                 glEnd();
1668         }
1669
1670         if ( g_camwindow_globals_private.m_showStats ) {
1671                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f );
1672                 extern const char* Renderer_GetStats();
1673                 GlobalOpenGL().drawString( Renderer_GetStats() );
1674
1675                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() - GlobalOpenGL().m_font->getPixelHeight(), 0.0f );
1676                 extern const char* Cull_GetStats();
1677                 GlobalOpenGL().drawString( Cull_GetStats() );
1678         }
1679
1680         // bind back to the default texture so that we don't have problems
1681         // elsewhere using/modifying texture maps between contexts
1682         glBindTexture( GL_TEXTURE_2D, 0 );
1683 }
1684
1685 void CamWnd::draw(){
1686         m_drawing = true;
1687
1688         //globalOutputStream() << "draw...\n";
1689         if ( glwidget_make_current( m_gl_widget ) != FALSE ) {
1690                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
1691                         GlobalOpenGL_debugAssertNoErrors();
1692                         Cam_Draw();
1693                         GlobalOpenGL_debugAssertNoErrors();
1694                         //qglFinish();
1695
1696                         m_XORRectangle.set( rectangle_t() );
1697                 }
1698
1699                 glwidget_swap_buffers( m_gl_widget );
1700         }
1701
1702         m_drawing = false;
1703 }
1704
1705 void CamWnd::BenchMark(){
1706         double dStart = Sys_DoubleTime();
1707         for ( int i = 0 ; i < 100 ; i++ )
1708         {
1709                 Vector3 angles;
1710                 angles[CAMERA_ROLL] = 0;
1711                 angles[CAMERA_PITCH] = 0;
1712                 angles[CAMERA_YAW] = i * 360.0f / 100.0f;
1713                 Camera_setAngles( *this, angles );
1714         }
1715         double dEnd = Sys_DoubleTime();
1716         globalOutputStream() << FloatFormat( dEnd - dStart, 5, 2 ) << " seconds\n";
1717 }
1718
1719
1720 void GlobalCamera_ResetAngles(){
1721         CamWnd& camwnd = *g_camwnd;
1722         Vector3 angles;
1723         angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1724         angles[CAMERA_YAW] = 22.5f * floorf( ( Camera_getAngles( camwnd )[CAMERA_YAW] + 11 ) / 22.5f );
1725         Camera_setAngles( camwnd, angles );
1726 }
1727
1728 #include "select.h"
1729
1730 Vector3 Camera_getFocusPos( camera_t& camera ){
1731         Vector3 camorigin( Camera_getOrigin( camera ) );
1732         AABB aabb( aabb_for_minmax( Select_getWorkZone().d_work_min, Select_getWorkZone().d_work_max ) );
1733         View& view = *( camera.m_view );
1734 #if 0
1735         Vector3 angles( Camera_getAngles( camera ) );
1736         Vector3 radangles( degrees_to_radians( angles[0] ), degrees_to_radians( angles[1] ), degrees_to_radians( angles[2] ) );
1737         Vector3 viewvector;
1738         viewvector[0] = cos( radangles[1] ) * cos( radangles[0] );
1739         viewvector[1] = sin( radangles[1] ) * cos( radangles[0] );
1740         viewvector[2] = sin( radangles[0] );
1741 #elif 0
1742         Vector3 viewvector( -view.GetModelview()[2], -view.GetModelview()[6], -view.GetModelview()[10] );
1743 #elif 1
1744         Vector3 viewvector( -camera.vpn );
1745 #endif
1746
1747         Plane3 frustumPlanes[4];
1748         frustumPlanes[0] = plane3_translated( view.getFrustum().left, camorigin - aabb.origin );
1749         frustumPlanes[1] = plane3_translated( view.getFrustum().right, camorigin - aabb.origin );
1750         frustumPlanes[2] = plane3_translated( view.getFrustum().top, camorigin - aabb.origin );
1751         frustumPlanes[3] = plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin );
1752
1753         float offset = 64.0f;
1754
1755         Vector3 corners[8];
1756         aabb_corners( aabb, corners );
1757
1758         for ( size_t i = 0; i < 4; ++i ){
1759                 for ( size_t j = 0; j < 8; ++j ){
1760                         Ray ray( aabb.origin, -viewvector );
1761                         //Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] - frustumPlanes[i].normal() * 16.0f ) );
1762                         Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] ) );
1763                         float d = vector3_dot( ray.direction, newplane.normal() );
1764                         if( d != 0 ){
1765                                 float s = vector3_dot( newplane.normal() * newplane.dist() - ray.origin, newplane.normal() ) / d;
1766                                 offset = std::max( offset, s );
1767                         }
1768                 }
1769         }
1770         return ( aabb.origin - viewvector * offset );
1771 }
1772
1773 void GlobalCamera_FocusOnSelected(){
1774         Camera_setOrigin( *g_camwnd, Camera_getFocusPos( g_camwnd->getCamera() ) );
1775 }
1776
1777 void Camera_ChangeFloorUp(){
1778         CamWnd& camwnd = *g_camwnd;
1779         camwnd.Cam_ChangeFloor( true );
1780 }
1781
1782 void Camera_ChangeFloorDown(){
1783         CamWnd& camwnd = *g_camwnd;
1784         camwnd.Cam_ChangeFloor( false );
1785 }
1786
1787 void Camera_CubeIn(){
1788         CamWnd& camwnd = *g_camwnd;
1789         g_camwindow_globals.m_nCubicScale--;
1790         if ( g_camwindow_globals.m_nCubicScale < 1 ) {
1791                 g_camwindow_globals.m_nCubicScale = 1;
1792         }
1793         Camera_updateProjection( camwnd.getCamera() );
1794         CamWnd_Update( camwnd );
1795         g_pParentWnd->SetGridStatus();
1796 }
1797
1798 void Camera_CubeOut(){
1799         CamWnd& camwnd = *g_camwnd;
1800         g_camwindow_globals.m_nCubicScale++;
1801         if ( g_camwindow_globals.m_nCubicScale > 46 ) {
1802                 g_camwindow_globals.m_nCubicScale = 46;
1803         }
1804         Camera_updateProjection( camwnd.getCamera() );
1805         CamWnd_Update( camwnd );
1806         g_pParentWnd->SetGridStatus();
1807 }
1808
1809 bool Camera_GetFarClip(){
1810         return g_camwindow_globals_private.m_bCubicClipping;
1811 }
1812
1813 ConstReferenceCaller<bool, void(const Callback<void(bool)> &), PropertyImpl<bool>::Export> g_getfarclip_caller( g_camwindow_globals_private.m_bCubicClipping );
1814 ToggleItem g_getfarclip_item( g_getfarclip_caller );
1815
1816 void Camera_SetFarClip( bool value ){
1817         CamWnd& camwnd = *g_camwnd;
1818         g_camwindow_globals_private.m_bCubicClipping = value;
1819         g_getfarclip_item.update();
1820         Camera_updateProjection( camwnd.getCamera() );
1821         CamWnd_Update( camwnd );
1822 }
1823
1824 struct Camera_FarClip {
1825         static void Export(const Callback<void(bool)> &returnz) {
1826                 returnz(g_camwindow_globals_private.m_bCubicClipping);
1827         }
1828
1829         static void Import(bool value) {
1830                 Camera_SetFarClip(value);
1831         }
1832 };
1833
1834 void Camera_ToggleFarClip(){
1835         Camera_SetFarClip( !Camera_GetFarClip() );
1836 }
1837
1838
1839 void CamWnd_constructToolbar( ui::Toolbar toolbar ){
1840         toolbar_append_toggle_button( toolbar, "Cubic clip the camera view (Ctrl + \\)", "view_cubicclipping.png", "ToggleCubicClip" );
1841 }
1842
1843 void CamWnd_registerShortcuts(){
1844         toggle_add_accelerator( "ToggleCubicClip" );
1845
1846         if ( g_pGameDescription->mGameType == "doom3" ) {
1847                 command_connect_accelerator( "TogglePreview" );
1848         }
1849
1850         command_connect_accelerator( "FOVInc" );
1851         command_connect_accelerator( "FOVDec" );
1852         command_connect_accelerator( "CameraSpeedInc" );
1853         command_connect_accelerator( "CameraSpeedDec" );
1854 }
1855
1856
1857 void GlobalCamera_Benchmark(){
1858         CamWnd& camwnd = *g_camwnd;
1859         camwnd.BenchMark();
1860 }
1861
1862 void GlobalCamera_Update(){
1863         CamWnd& camwnd = *g_camwnd;
1864         CamWnd_Update( camwnd );
1865 }
1866
1867 camera_draw_mode CamWnd_GetMode(){
1868         return camera_t::draw_mode;
1869 }
1870 void CamWnd_SetMode( camera_draw_mode mode ){
1871         ShaderCache_setBumpEnabled( mode == cd_lighting );
1872         camera_t::draw_mode = mode;
1873         if ( g_camwnd != 0 ) {
1874                 CamWnd_Update( *g_camwnd );
1875         }
1876 }
1877
1878 void CamWnd_TogglePreview( void ){
1879         // gametype must be doom3 for this function to work
1880         // if the gametype is not doom3 something is wrong with the
1881         // global command list or somebody else calls this function.
1882         ASSERT_MESSAGE( g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible" );
1883
1884         // switch between textured and lighting mode
1885         CamWnd_SetMode( ( CamWnd_GetMode() == cd_lighting ) ? cd_texture : cd_lighting );
1886 }
1887
1888
1889 CameraModel* g_camera_model = 0;
1890
1891 void CamWnd_LookThroughCamera( CamWnd& camwnd ){
1892         if ( g_camera_model != 0 ) {
1893                 CamWnd_Add_Handlers_Move( camwnd );
1894                 g_camera_model->setCameraView( 0, Callback<void()>() );
1895                 g_camera_model = 0;
1896                 Camera_updateModelview( camwnd.getCamera() );
1897                 Camera_updateProjection( camwnd.getCamera() );
1898                 CamWnd_Update( camwnd );
1899         }
1900 }
1901
1902 inline CameraModel* Instance_getCameraModel( scene::Instance& instance ){
1903         return InstanceTypeCast<CameraModel>::cast( instance );
1904 }
1905
1906 void CamWnd_LookThroughSelected( CamWnd& camwnd ){
1907         if ( g_camera_model != 0 ) {
1908                 CamWnd_LookThroughCamera( camwnd );
1909         }
1910
1911         if ( GlobalSelectionSystem().countSelected() != 0 ) {
1912                 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1913                 CameraModel* cameraModel = Instance_getCameraModel( instance );
1914                 if ( cameraModel != 0 ) {
1915                         CamWnd_Remove_Handlers_Move( camwnd );
1916                         g_camera_model = cameraModel;
1917                         g_camera_model->setCameraView( &camwnd.getCameraView(), ReferenceCaller<CamWnd, void(), CamWnd_LookThroughCamera>( camwnd ) );
1918                 }
1919         }
1920 }
1921
1922 void GlobalCamera_LookThroughSelected(){
1923         CamWnd_LookThroughSelected( *g_camwnd );
1924 }
1925
1926 void GlobalCamera_LookThroughCamera(){
1927         CamWnd_LookThroughCamera( *g_camwnd );
1928 }
1929
1930 struct RenderMode {
1931         static void Export(const Callback<void(int)> &returnz) {
1932                 switch (CamWnd_GetMode()) {
1933                         case cd_wire:
1934                                 returnz(0);
1935                                 break;
1936                         case cd_solid:
1937                                 returnz(1);
1938                                 break;
1939                         case cd_texture:
1940                                 returnz(2);
1941                                 break;
1942                         case cd_lighting:
1943                                 returnz(3);
1944                                 break;
1945                 }
1946         }
1947
1948         static void Import(int value) {
1949                 switch (value) {
1950         case 0:
1951                 CamWnd_SetMode( cd_wire );
1952                 break;
1953         case 1:
1954                 CamWnd_SetMode( cd_solid );
1955                 break;
1956         case 2:
1957                 CamWnd_SetMode( cd_texture );
1958                 break;
1959         case 3:
1960                 CamWnd_SetMode( cd_lighting );
1961                 break;
1962         default:
1963                 CamWnd_SetMode( cd_texture );
1964         }
1965 }
1966 };
1967
1968 void Camera_constructPreferences( PreferencesPage& page ){
1969         page.appendSlider( "FOV", g_camwindow_globals_private.m_nFOV, TRUE, 0, 0, 100, MIN_FOV, MAX_FOV, 1, 10 );
1970         page.appendSlider( "Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10 );
1971         page.appendCheckBox( "", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed );
1972         page.appendSlider( "Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10 );
1973         page.appendCheckBox( "", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse );
1974         page.appendCheckBox( "", "Zoom In to Mouse pointer", g_camwindow_globals.m_bZoomInToPointer );
1975         page.appendCheckBox(
1976                 "", "Discrete movement",
1977                 make_property<CamWnd_Move_Discrete>()
1978                 );
1979         page.appendCheckBox(
1980                 "", "Enable far-clip plane",
1981                 make_property<Camera_FarClip>()
1982                 );
1983
1984         if ( g_pGameDescription->mGameType == "doom3" ) {
1985                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1986
1987                 page.appendCombo(
1988                         "Render Mode",
1989                         STRING_ARRAY_RANGE( render_mode ),
1990                         make_property<RenderMode>()
1991                         );
1992         }
1993         else
1994         {
1995                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1996
1997                 page.appendCombo(
1998                         "Render Mode",
1999                         STRING_ARRAY_RANGE( render_mode ),
2000                         make_property<RenderMode>()
2001                         );
2002         }
2003
2004         const char* strafe_mode[] = { "None", "Up", "Forward", "Both", "Both Inverted" };
2005
2006         page.appendCombo(
2007                 "Strafe Mode",
2008                 g_camwindow_globals_private.m_nStrafeMode,
2009                 STRING_ARRAY_RANGE( strafe_mode )
2010                 );
2011 }
2012 void Camera_constructPage( PreferenceGroup& group ){
2013         PreferencesPage page( group.createPage( "Camera", "Camera View Preferences" ) );
2014         Camera_constructPreferences( page );
2015 }
2016 void Camera_registerPreferencesPage(){
2017         PreferencesDialog_addSettingsPage( makeCallbackF(Camera_constructPage) );
2018 }
2019
2020 #include "preferencesystem.h"
2021 #include "stringio.h"
2022 #include "dialog.h"
2023
2024 void FOV_increase(){
2025         CamWnd& camwnd = *g_camwnd;
2026         if ( g_camwindow_globals_private.m_nFOV <= ( MAX_FOV - FOV_STEP - 10 ) ) {
2027                 g_camwindow_globals_private.m_nFOV += FOV_STEP;
2028         }
2029         else {
2030                 g_camwindow_globals_private.m_nFOV = MAX_FOV - 10;
2031         }
2032         Camera_updateProjection( camwnd.getCamera() );
2033         CamWnd_Update( camwnd );
2034 }
2035
2036 void FOV_decrease(){
2037         CamWnd& camwnd = *g_camwnd;
2038         if ( g_camwindow_globals_private.m_nFOV >= ( MIN_FOV + FOV_STEP ) ) {
2039                 g_camwindow_globals_private.m_nFOV -= FOV_STEP;
2040         }
2041         else {
2042                 g_camwindow_globals_private.m_nFOV = MIN_FOV;
2043         }
2044         Camera_updateProjection( camwnd.getCamera() );
2045         CamWnd_Update( camwnd );
2046 }
2047
2048
2049 void CameraSpeed_increase(){
2050         if ( g_camwindow_globals_private.m_nMoveSpeed <= ( MAX_CAM_SPEED - CAM_SPEED_STEP - 10 ) ) {
2051                 g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
2052         }
2053         else {
2054                 g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
2055         }
2056 }
2057
2058 void CameraSpeed_decrease(){
2059         if ( g_camwindow_globals_private.m_nMoveSpeed >= ( MIN_CAM_SPEED + CAM_SPEED_STEP ) ) {
2060                 g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
2061         }
2062         else {
2063                 g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
2064         }
2065 }
2066
2067 /// \brief Initialisation for things that have the same lifespan as this module.
2068 void CamWnd_Construct(){
2069         GlobalCommands_insert( "CenterView", makeCallbackF(GlobalCamera_ResetAngles), Accelerator( GDK_KEY_End ) );
2070         GlobalCommands_insert( "CameraFocusOnSelected", makeCallbackF( GlobalCamera_FocusOnSelected ), Accelerator( GDK_KEY_Tab ) );
2071
2072         GlobalToggles_insert( "ToggleCubicClip", makeCallbackF(Camera_ToggleFarClip), ToggleItem::AddCallbackCaller( g_getfarclip_item ), Accelerator( '\\', (GdkModifierType)GDK_CONTROL_MASK ) );
2073         GlobalCommands_insert( "CubicClipZoomIn", makeCallbackF(Camera_CubeIn), Accelerator( '[', (GdkModifierType)GDK_CONTROL_MASK ) );
2074         GlobalCommands_insert( "CubicClipZoomOut", makeCallbackF(Camera_CubeOut), Accelerator( ']', (GdkModifierType)GDK_CONTROL_MASK ) );
2075
2076         GlobalCommands_insert( "UpFloor", makeCallbackF(Camera_ChangeFloorUp), Accelerator( GDK_KEY_Prior ) );
2077         GlobalCommands_insert( "DownFloor", makeCallbackF(Camera_ChangeFloorDown), Accelerator( GDK_KEY_Next ) );
2078
2079         GlobalToggles_insert( "ToggleCamera", ToggleShown::ToggleCaller( g_camera_shown ), ToggleItem::AddCallbackCaller( g_camera_shown.m_item ), Accelerator( 'C', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2080 //      GlobalCommands_insert( "LookThroughSelected", makeCallbackF(GlobalCamera_LookThroughSelected) );
2081 //      GlobalCommands_insert( "LookThroughCamera", makeCallbackF(GlobalCamera_LookThroughCamera) );
2082
2083         if ( g_pGameDescription->mGameType == "doom3" ) {
2084                 GlobalCommands_insert( "TogglePreview", makeCallbackF(CamWnd_TogglePreview), Accelerator( GDK_KEY_F3 ) );
2085         }
2086
2087         GlobalCommands_insert( "FOVInc", makeCallbackF(FOV_increase), Accelerator( GDK_KEY_KP_Multiply, (GdkModifierType)GDK_SHIFT_MASK ) );
2088         GlobalCommands_insert( "FOVDec", makeCallbackF(FOV_decrease), Accelerator( GDK_KEY_KP_Divide, (GdkModifierType)GDK_SHIFT_MASK ) );
2089
2090         GlobalCommands_insert( "CameraSpeedInc", makeCallbackF(CameraSpeed_increase), Accelerator( GDK_KEY_KP_Add, (GdkModifierType)GDK_SHIFT_MASK ) );
2091         GlobalCommands_insert( "CameraSpeedDec", makeCallbackF(CameraSpeed_decrease), Accelerator( GDK_KEY_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK ) );
2092
2093         GlobalShortcuts_insert( "CameraForward", Accelerator( GDK_KEY_Up ) );
2094         GlobalShortcuts_insert( "CameraBack", Accelerator( GDK_KEY_Down ) );
2095         GlobalShortcuts_insert( "CameraLeft", Accelerator( GDK_KEY_Left ) );
2096         GlobalShortcuts_insert( "CameraRight", Accelerator( GDK_KEY_Right ) );
2097         GlobalShortcuts_insert( "CameraStrafeRight", Accelerator( 'D' ) );
2098         GlobalShortcuts_insert( "CameraStrafeLeft", Accelerator( 'A' ) );
2099
2100         GlobalShortcuts_insert( "CameraUp", accelerator_null() );
2101         GlobalShortcuts_insert( "CameraDown", accelerator_null() );
2102         GlobalShortcuts_insert( "CameraAngleUp", accelerator_null() );
2103         GlobalShortcuts_insert( "CameraAngleDown", accelerator_null() );
2104
2105         GlobalShortcuts_insert( "CameraFreeMoveForward", Accelerator( 'W' ) );
2106         GlobalShortcuts_insert( "CameraFreeMoveBack", Accelerator( 'S' ) );
2107         GlobalShortcuts_insert( "CameraFreeMoveLeft", Accelerator( 'A' ) );
2108         GlobalShortcuts_insert( "CameraFreeMoveRight", Accelerator( 'D' ) );
2109
2110         GlobalShortcuts_insert( "CameraFreeMoveForward2", Accelerator( GDK_KEY_Up ) );
2111         GlobalShortcuts_insert( "CameraFreeMoveBack2", Accelerator( GDK_KEY_Down ) );
2112         GlobalShortcuts_insert( "CameraFreeMoveLeft2", Accelerator( GDK_KEY_Left ) );
2113         GlobalShortcuts_insert( "CameraFreeMoveRight2", Accelerator( GDK_KEY_Right ) );
2114
2115         GlobalShortcuts_insert( "CameraFreeMoveUp", accelerator_null() );
2116         GlobalShortcuts_insert( "CameraFreeMoveDown", accelerator_null() );
2117
2118         GlobalShortcuts_insert( "CameraFreeFocus", Accelerator( GDK_KEY_Tab ) );
2119
2120         GlobalToggles_insert( "ShowStats", makeCallbackF(ShowStatsToggle), ToggleItem::AddCallbackCaller( g_show_stats ) );
2121
2122         GlobalPreferenceSystem().registerPreference( "ShowStats", make_property_string( g_camwindow_globals_private.m_showStats ) );
2123         GlobalPreferenceSystem().registerPreference( "FOV", make_property_string( g_camwindow_globals_private.m_nFOV ) );
2124         GlobalPreferenceSystem().registerPreference( "MoveSpeed", make_property_string( g_camwindow_globals_private.m_nMoveSpeed ) );
2125         GlobalPreferenceSystem().registerPreference( "CamLinkSpeed", make_property_string( g_camwindow_globals_private.m_bCamLinkSpeed ) );
2126         GlobalPreferenceSystem().registerPreference( "AngleSpeed", make_property_string( g_camwindow_globals_private.m_nAngleSpeed ) );
2127         GlobalPreferenceSystem().registerPreference( "CamInverseMouse", make_property_string( g_camwindow_globals_private.m_bCamInverseMouse ) );
2128         GlobalPreferenceSystem().registerPreference( "CamDiscrete", make_property_string<CamWnd_Move_Discrete>());
2129         GlobalPreferenceSystem().registerPreference( "CubicClipping", make_property_string( g_camwindow_globals_private.m_bCubicClipping ) );
2130         GlobalPreferenceSystem().registerPreference( "CubicScale", make_property_string( g_camwindow_globals.m_nCubicScale ) );
2131         GlobalPreferenceSystem().registerPreference( "SI_Colors4", make_property_string( g_camwindow_globals.color_cameraback ) );
2132         GlobalPreferenceSystem().registerPreference( "SI_Colors12", make_property_string( g_camwindow_globals.color_selbrushes3d ) );
2133         GlobalPreferenceSystem().registerPreference( "CameraRenderMode", make_property_string<RenderMode>() );
2134         GlobalPreferenceSystem().registerPreference( "StrafeMode", make_property_string( g_camwindow_globals_private.m_nStrafeMode ) );
2135         GlobalPreferenceSystem().registerPreference( "3DZoomInToPointer", make_property_string( g_camwindow_globals.m_bZoomInToPointer ) );
2136
2137         CamWnd_constructStatic();
2138
2139         Camera_registerPreferencesPage();
2140 }
2141 void CamWnd_Destroy(){
2142         CamWnd_destroyStatic();
2143 }