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 "debugging/debugging.h"
  31
  32 #include "iscenegraph.h"
  33 #include "irender.h"
  34 #include "igl.h"
  35 #include "icamera.h"
  36 #include "cullable.h"
  37 #include "renderable.h"
  38 #include "preferencesystem.h"
  39
  40 #include "signal/signal.h"
  41 #include "container/array.h"
  42 #include "scenelib.h"
  43 #include "render.h"
  44 #include "cmdlib.h"
  45 #include "math/frustum.h"
  46
  47 #include "gtkutil/widget.h"
  48 #include "gtkutil/button.h"
  49 #include "gtkutil/toolbar.h"
  50 #include "gtkutil/glwidget.h"
  51 #include "gtkutil/xorrectangle.h"
  52 #include "gtkmisc.h"
  53 #include "selection.h"
  54 #include "mainframe.h"
  55 #include "preferences.h"
  56 #include "commands.h"
  57 #include "xywindow.h"
  58 #include "windowobservers.h"
  59 #include "renderstate.h"
  60
  61 #include "timer.h"
  62
  63 Signal0 g_cameraMoved_callbacks;
  64
  65 void AddCameraMovedCallback( const SignalHandler& handler ){
  66         g_cameraMoved_callbacks.connectLast( handler );
  67 }
  68
  69 void CameraMovedNotify(){
  70         g_cameraMoved_callbacks();
  71 }
  72
  73
  74 struct camwindow_globals_private_t
  75 {
  76         int m_nMoveSpeed;
  77         bool m_bCamLinkSpeed;
  78         int m_nAngleSpeed;
  79         bool m_bCamInverseMouse;
  80         bool m_bCamDiscrete;
  81         bool m_bCubicClipping;
  82         bool m_showStats;
  83         int m_nStrafeMode;
  84
  85         camwindow_globals_private_t() :
  86                 m_nMoveSpeed( 100 ),
  87                 m_bCamLinkSpeed( true ),
  88                 m_nAngleSpeed( 3 ),
  89                 m_bCamInverseMouse( false ),
  90                 m_bCamDiscrete( true ),
  91                 m_bCubicClipping( false ),
  92                 m_showStats( true ),
  93                 m_nStrafeMode( 3 ){
  94         }
  95
  96 };
  97
  98 camwindow_globals_private_t g_camwindow_globals_private;
  99
 100
 101 const Matrix4 g_opengl2radiant(
 102         0, 0,-1, 0,
 103         -1, 0, 0, 0,
 104         0, 1, 0, 0,
 105         0, 0, 0, 1
 106         );
 107
 108 const Matrix4 g_radiant2opengl(
 109         0,-1, 0, 0,
 110         0, 0, 1, 0,
 111         -1, 0, 0, 0,
 112         0, 0, 0, 1
 113         );
 114
 115 struct camera_t;
 116 void Camera_mouseMove( camera_t& camera, int x, int y );
 117
 118 enum camera_draw_mode
 119 {
 120         cd_wire,
 121         cd_solid,
 122         cd_texture,
 123         cd_lighting
 124 };
 125
 126 struct camera_t
 127 {
 128         int width, height;
 129
 130         bool timing;
 131
 132         Vector3 origin;
 133         Vector3 angles;
 134
 135         Vector3 color; // background
 136
 137         Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
 138         Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
 139
 140         Matrix4 projection;
 141         Matrix4 modelview;
 142
 143         bool m_strafe; // true when in strafemode toggled by the ctrl-key
 144         bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
 145         bool m_strafe_forward_invert; //silly option to invert forward strafing to support old fegs
 146
 147         unsigned int movementflags; // movement flags
 148         Timer m_keycontrol_timer;
 149         guint m_keymove_handler;
 150
 151
 152         float fieldOfView;
 153
 154         DeferredMotionDelta m_mouseMove;
 155
 156         static void motionDelta( int x, int y, void* data ){
 157                 Camera_mouseMove( *reinterpret_cast<camera_t*>( data ), x, y );
 158         }
 159
 160         View* m_view;
 161         Callback m_update;
 162
 163         static camera_draw_mode draw_mode;
 164
 165         camera_t( View* view, const Callback& update )
 166                 : width( 0 ),
 167                 height( 0 ),
 168                 timing( false ),
 169                 origin( 0, 0, 0 ),
 170                 angles( 0, 0, 0 ),
 171                 color( 0, 0, 0 ),
 172                 movementflags( 0 ),
 173                 m_keymove_handler( 0 ),
 174                 fieldOfView( 110.0f ),
 175                 m_mouseMove( motionDelta, this ),
 176                 m_view( view ),
 177                 m_update( update ){
 178         }
 179 };
 180
 181 camera_draw_mode camera_t::draw_mode = cd_texture;
 182
 183 inline Matrix4 projection_for_camera( float near_z, float far_z, float fieldOfView, int width, int height ){
 184         const float half_width = static_cast<float>( near_z * tan( degrees_to_radians( fieldOfView * 0.5 ) ) );
 185         const float half_height = half_width * ( static_cast<float>( height ) / static_cast<float>( width ) );
 186
 187         return matrix4_frustum(
 188                            -half_width,
 189                            half_width,
 190                            -half_height,
 191                            half_height,
 192                            near_z,
 193                            far_z
 194                            );
 195 }
 196
 197 float Camera_getFarClipPlane( camera_t& camera ){
 198         return ( g_camwindow_globals_private.m_bCubicClipping ) ? pow( 2.0, ( g_camwindow_globals.m_nCubicScale + 7 ) / 2.0 ) : 32768.0f;
 199 }
 200
 201 void Camera_updateProjection( camera_t& camera ){
 202         float farClip = Camera_getFarClipPlane( camera );
 203         camera.projection = projection_for_camera( farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height );
 204
 205         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 206 }
 207
 208 void Camera_updateVectors( camera_t& camera ){
 209         for ( int i = 0 ; i < 3 ; i++ )
 210         {
 211                 camera.vright[i] = camera.modelview[( i << 2 ) + 0];
 212                 camera.vup[i] = camera.modelview[( i << 2 ) + 1];
 213                 camera.vpn[i] = camera.modelview[( i << 2 ) + 2];
 214         }
 215 }
 216
 217 void Camera_updateModelview( camera_t& camera ){
 218         camera.modelview = g_matrix4_identity;
 219
 220         // roll, pitch, yaw
 221         Vector3 radiant_eulerXYZ( 0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW] );
 222
 223         matrix4_translate_by_vec3( camera.modelview, camera.origin );
 224         matrix4_rotate_by_euler_xyz_degrees( camera.modelview, radiant_eulerXYZ );
 225         matrix4_multiply_by_matrix4( camera.modelview, g_radiant2opengl );
 226         matrix4_affine_invert( camera.modelview );
 227
 228         Camera_updateVectors( camera );
 229
 230         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 231 }
 232
 233
 234 void Camera_Move_updateAxes( camera_t& camera ){
 235         double ya = degrees_to_radians( camera.angles[CAMERA_YAW] );
 236
 237         // the movement matrix is kept 2d
 238         camera.forward[0] = static_cast<float>( cos( ya ) );
 239         camera.forward[1] = static_cast<float>( sin( ya ) );
 240         camera.forward[2] = 0;
 241         camera.right[0] = camera.forward[1];
 242         camera.right[1] = -camera.forward[0];
 243 }
 244
 245 void Camera_Freemove_updateAxes( camera_t& camera ){
 246         camera.right = camera.vright;
 247         camera.forward = vector3_negated( camera.vpn );
 248 }
 249
 250 const Vector3& Camera_getOrigin( camera_t& camera ){
 251         return camera.origin;
 252 }
 253
 254 void Camera_setOrigin( camera_t& camera, const Vector3& origin ){
 255         camera.origin = origin;
 256         Camera_updateModelview( camera );
 257         camera.m_update();
 258         CameraMovedNotify();
 259 }
 260
 261 const Vector3& Camera_getAngles( camera_t& camera ){
 262         return camera.angles;
 263 }
 264
 265 void Camera_setAngles( camera_t& camera, const Vector3& angles ){
 266         camera.angles = angles;
 267         Camera_updateModelview( camera );
 268         camera.m_update();
 269         CameraMovedNotify();
 270 }
 271
 272
 273 void Camera_FreeMove( camera_t& camera, int dx, int dy ){
 274         // free strafe mode, toggled by the ctrl key with optional shift for forward movement
 275         if ( camera.m_strafe ) {
 276                 float strafespeed = 0.65f;
 277
 278                 if ( g_camwindow_globals_private.m_bCamLinkSpeed ) {
 279                         strafespeed = (float)g_camwindow_globals_private.m_nMoveSpeed / 100;
 280                 }
 281
 282                 camera.origin -= camera.vright * strafespeed * dx;
 283                 if ( camera.m_strafe_forward ) {
 284                         camera.origin += camera.m_strafe_forward_invert ? ( camera.vpn * strafespeed * dy ) : ( -camera.vpn * strafespeed * dy );
 285                 }
 286                 else{
 287                         camera.origin += camera.vup * strafespeed * dy;
 288                 }
 289         }
 290         else // free rotation
 291         {
 292                 const float dtime = 0.1f;
 293
 294                 if ( g_camwindow_globals_private.m_bCamInverseMouse ) {
 295                         camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 296                 }
 297                 else{
 298                         camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 299                 }
 300
 301                 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 302
 303                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 304                         camera.angles[CAMERA_PITCH] = 90;
 305                 }
 306                 else if ( camera.angles[CAMERA_PITCH] < -90 ) {
 307                         camera.angles[CAMERA_PITCH] = -90;
 308                 }
 309
 310                 if ( camera.angles[CAMERA_YAW] >= 360 ) {
 311                         camera.angles[CAMERA_YAW] -= 360;
 312                 }
 313                 else if ( camera.angles[CAMERA_YAW] <= 0 ) {
 314                         camera.angles[CAMERA_YAW] += 360;
 315                 }
 316         }
 317
 318         Camera_updateModelview( camera );
 319         Camera_Freemove_updateAxes( camera );
 320 }
 321
 322 void Cam_MouseControl( camera_t& camera, int x, int y ){
 323 //      int xl, xh;
 324 //      int yl, yh;
 325         float xf, yf;
 326
 327         xf = (float)( x - camera.width / 2 ) / ( camera.width / 2 );
 328         yf = (float)( y - camera.height / 2 ) / ( camera.height / 2 );
 329
 330 //      xl = camera.width / 3;
 331 //      xh = xl * 2;
 332 //      yl = camera.height / 3;
 333 //      yh = yl * 2;
 334
 335         xf *= 1.0f - fabsf( yf );
 336         if ( xf < 0 ) {
 337                 xf += 0.1f;
 338                 if ( xf > 0 ) {
 339                         xf = 0;
 340                 }
 341         }
 342         else
 343         {
 344                 xf -= 0.1f;
 345                 if ( xf < 0 ) {
 346                         xf = 0;
 347                 }
 348         }
 349
 350         vector3_add( camera.origin, vector3_scaled( camera.forward, yf * 0.1f * g_camwindow_globals_private.m_nMoveSpeed ) );
 351         camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
 352
 353         Camera_updateModelview( camera );
 354 }
 355
 356 void Camera_mouseMove( camera_t& camera, int x, int y ){
 357         //globalOutputStream() << "mousemove... ";
 358         Camera_FreeMove( camera, -x, -y );
 359         camera.m_update();
 360         CameraMovedNotify();
 361 }
 362
 363 const unsigned int MOVE_NONE = 0;
 364 const unsigned int MOVE_FORWARD = 1 << 0;
 365 const unsigned int MOVE_BACK = 1 << 1;
 366 const unsigned int MOVE_ROTRIGHT = 1 << 2;
 367 const unsigned int MOVE_ROTLEFT = 1 << 3;
 368 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
 369 const unsigned int MOVE_STRAFELEFT = 1 << 5;
 370 const unsigned int MOVE_UP = 1 << 6;
 371 const unsigned int MOVE_DOWN = 1 << 7;
 372 const unsigned int MOVE_PITCHUP = 1 << 8;
 373 const unsigned int MOVE_PITCHDOWN = 1 << 9;
 374 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;
 375
 376 void Cam_KeyControl( camera_t& camera, float dtime ){
 377         // Update angles
 378         if ( camera.movementflags & MOVE_ROTLEFT ) {
 379                 camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 380         }
 381         if ( camera.movementflags & MOVE_ROTRIGHT ) {
 382                 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 383         }
 384         if ( camera.movementflags & MOVE_PITCHUP ) {
 385                 camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 386                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 387                         camera.angles[CAMERA_PITCH] = 90;
 388                 }
 389         }
 390         if ( camera.movementflags & MOVE_PITCHDOWN ) {
 391                 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 392                 if ( camera.angles[CAMERA_PITCH] < -90 ) {
 393                         camera.angles[CAMERA_PITCH] = -90;
 394                 }
 395         }
 396
 397         Camera_updateModelview( camera );
 398         Camera_Freemove_updateAxes( camera );
 399
 400         // Update position
 401         if ( camera.movementflags & MOVE_FORWARD ) {
 402                 vector3_add( camera.origin, vector3_scaled( camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 403         }
 404         if ( camera.movementflags & MOVE_BACK ) {
 405                 vector3_add( camera.origin, vector3_scaled( camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 406         }
 407         if ( camera.movementflags & MOVE_STRAFELEFT ) {
 408                 vector3_add( camera.origin, vector3_scaled( camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 409         }
 410         if ( camera.movementflags & MOVE_STRAFERIGHT ) {
 411                 vector3_add( camera.origin, vector3_scaled( camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 412         }
 413         if ( camera.movementflags & MOVE_UP ) {
 414                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 415         }
 416         if ( camera.movementflags & MOVE_DOWN ) {
 417                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 418         }
 419
 420         Camera_updateModelview( camera );
 421 }
 422
 423 void Camera_keyMove( camera_t& camera ){
 424         camera.m_mouseMove.flush();
 425
 426         //globalOutputStream() << "keymove... ";
 427         float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
 428         camera.m_keycontrol_timer.start();
 429         if ( time_seconds > 0.05f ) {
 430                 time_seconds = 0.05f; // 20fps
 431         }
 432         Cam_KeyControl( camera, time_seconds * 5.0f );
 433
 434         camera.m_update();
 435         CameraMovedNotify();
 436 }
 437
 438 gboolean camera_keymove( gpointer data ){
 439         Camera_keyMove( *reinterpret_cast<camera_t*>( data ) );
 440         return TRUE;
 441 }
 442
 443 void Camera_setMovementFlags( camera_t& camera, unsigned int mask ){
 444         if ( ( ~camera.movementflags & mask ) != 0 && camera.movementflags == 0 ) {
 445                 camera.m_keymove_handler = g_idle_add( camera_keymove, &camera );
 446         }
 447         camera.movementflags |= mask;
 448 }
 449 void Camera_clearMovementFlags( camera_t& camera, unsigned int mask ){
 450         if ( ( camera.movementflags & ~mask ) == 0 && camera.movementflags != 0 ) {
 451                 g_source_remove( camera.m_keymove_handler );
 452                 camera.m_keymove_handler = 0;
 453         }
 454         camera.movementflags &= ~mask;
 455 }
 456
 457 void Camera_MoveForward_KeyDown( camera_t& camera ){
 458         Camera_setMovementFlags( camera, MOVE_FORWARD );
 459 }
 460 void Camera_MoveForward_KeyUp( camera_t& camera ){
 461         Camera_clearMovementFlags( camera, MOVE_FORWARD );
 462 }
 463 void Camera_MoveBack_KeyDown( camera_t& camera ){
 464         Camera_setMovementFlags( camera, MOVE_BACK );
 465 }
 466 void Camera_MoveBack_KeyUp( camera_t& camera ){
 467         Camera_clearMovementFlags( camera, MOVE_BACK );
 468 }
 469
 470 void Camera_MoveLeft_KeyDown( camera_t& camera ){
 471         Camera_setMovementFlags( camera, MOVE_STRAFELEFT );
 472 }
 473 void Camera_MoveLeft_KeyUp( camera_t& camera ){
 474         Camera_clearMovementFlags( camera, MOVE_STRAFELEFT );
 475 }
 476 void Camera_MoveRight_KeyDown( camera_t& camera ){
 477         Camera_setMovementFlags( camera, MOVE_STRAFERIGHT );
 478 }
 479 void Camera_MoveRight_KeyUp( camera_t& camera ){
 480         Camera_clearMovementFlags( camera, MOVE_STRAFERIGHT );
 481 }
 482
 483 void Camera_MoveUp_KeyDown( camera_t& camera ){
 484         Camera_setMovementFlags( camera, MOVE_UP );
 485 }
 486 void Camera_MoveUp_KeyUp( camera_t& camera ){
 487         Camera_clearMovementFlags( camera, MOVE_UP );
 488 }
 489 void Camera_MoveDown_KeyDown( camera_t& camera ){
 490         Camera_setMovementFlags( camera, MOVE_DOWN );
 491 }
 492 void Camera_MoveDown_KeyUp( camera_t& camera ){
 493         Camera_clearMovementFlags( camera, MOVE_DOWN );
 494 }
 495
 496 void Camera_RotateLeft_KeyDown( camera_t& camera ){
 497         Camera_setMovementFlags( camera, MOVE_ROTLEFT );
 498 }
 499 void Camera_RotateLeft_KeyUp( camera_t& camera ){
 500         Camera_clearMovementFlags( camera, MOVE_ROTLEFT );
 501 }
 502 void Camera_RotateRight_KeyDown( camera_t& camera ){
 503         Camera_setMovementFlags( camera, MOVE_ROTRIGHT );
 504 }
 505 void Camera_RotateRight_KeyUp( camera_t& camera ){
 506         Camera_clearMovementFlags( camera, MOVE_ROTRIGHT );
 507 }
 508
 509 void Camera_PitchUp_KeyDown( camera_t& camera ){
 510         Camera_setMovementFlags( camera, MOVE_PITCHUP );
 511 }
 512 void Camera_PitchUp_KeyUp( camera_t& camera ){
 513         Camera_clearMovementFlags( camera, MOVE_PITCHUP );
 514 }
 515 void Camera_PitchDown_KeyDown( camera_t& camera ){
 516         Camera_setMovementFlags( camera, MOVE_PITCHDOWN );
 517 }
 518 void Camera_PitchDown_KeyUp( camera_t& camera ){
 519         Camera_clearMovementFlags( camera, MOVE_PITCHDOWN );
 520 }
 521
 522
 523 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
 524 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
 525 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
 526 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
 527 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
 528 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
 529 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
 530 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
 531 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
 532 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
 533 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
 534 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 535
 536
 537 #define SPEED_MOVE 32
 538 #define SPEED_TURN 22.5
 539 #define MIN_CAM_SPEED 10
 540 #define MAX_CAM_SPEED 610
 541 #define CAM_SPEED_STEP 50
 542
 543 void Camera_MoveForward_Discrete( camera_t& camera ){
 544         Camera_Move_updateAxes( camera );
 545         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, SPEED_MOVE ) ) );
 546 }
 547 void Camera_MoveBack_Discrete( camera_t& camera ){
 548         Camera_Move_updateAxes( camera );
 549         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, -SPEED_MOVE ) ) );
 550 }
 551
 552 void Camera_MoveUp_Discrete( camera_t& camera ){
 553         Vector3 origin( Camera_getOrigin( camera ) );
 554         origin[2] += SPEED_MOVE;
 555         Camera_setOrigin( camera, origin );
 556 }
 557 void Camera_MoveDown_Discrete( camera_t& camera ){
 558         Vector3 origin( Camera_getOrigin( camera ) );
 559         origin[2] -= SPEED_MOVE;
 560         Camera_setOrigin( camera, origin );
 561 }
 562
 563 void Camera_MoveLeft_Discrete( camera_t& camera ){
 564         Camera_Move_updateAxes( camera );
 565         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, -SPEED_MOVE ) ) );
 566 }
 567 void Camera_MoveRight_Discrete( camera_t& camera ){
 568         Camera_Move_updateAxes( camera );
 569         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, SPEED_MOVE ) ) );
 570 }
 571
 572 void Camera_RotateLeft_Discrete( camera_t& camera ){
 573         Vector3 angles( Camera_getAngles( camera ) );
 574         angles[CAMERA_YAW] += SPEED_TURN;
 575         Camera_setAngles( camera, angles );
 576 }
 577 void Camera_RotateRight_Discrete( camera_t& camera ){
 578         Vector3 angles( Camera_getAngles( camera ) );
 579         angles[CAMERA_YAW] -= SPEED_TURN;
 580         Camera_setAngles( camera, angles );
 581 }
 582
 583 void Camera_PitchUp_Discrete( camera_t& camera ){
 584         Vector3 angles( Camera_getAngles( camera ) );
 585         angles[CAMERA_PITCH] += SPEED_TURN;
 586         if ( angles[CAMERA_PITCH] > 90 ) {
 587                 angles[CAMERA_PITCH] = 90;
 588         }
 589         Camera_setAngles( camera, angles );
 590 }
 591 void Camera_PitchDown_Discrete( camera_t& camera ){
 592         Vector3 angles( Camera_getAngles( camera ) );
 593         angles[CAMERA_PITCH] -= SPEED_TURN;
 594         if ( angles[CAMERA_PITCH] < -90 ) {
 595                 angles[CAMERA_PITCH] = -90;
 596         }
 597         Camera_setAngles( camera, angles );
 598 }
 599
 600
 601 class RadiantCameraView : public CameraView
 602 {
 603 camera_t& m_camera;
 604 View* m_view;
 605 Callback m_update;
 606 public:
 607 RadiantCameraView( camera_t& camera, View* view, const Callback& update ) : m_camera( camera ), m_view( view ), m_update( update ){
 608 }
 609 void update(){
 610         m_view->Construct( m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height );
 611         m_update();
 612 }
 613 void setModelview( const Matrix4& modelview ){
 614         m_camera.modelview = modelview;
 615         matrix4_multiply_by_matrix4( m_camera.modelview, g_radiant2opengl );
 616         matrix4_affine_invert( m_camera.modelview );
 617         Camera_updateVectors( m_camera );
 618         update();
 619 }
 620 void setFieldOfView( float fieldOfView ){
 621         float farClip = Camera_getFarClipPlane( m_camera );
 622         m_camera.projection = projection_for_camera( farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height );
 623         update();
 624 }
 625 };
 626
 627
 628 void Camera_motionDelta( int x, int y, unsigned int state, void* data ){
 629         camera_t* cam = reinterpret_cast<camera_t*>( data );
 630
 631         cam->m_mouseMove.motion_delta( x, y, state );
 632
 633         cam->m_strafe_forward_invert = false;
 634
 635         switch ( g_camwindow_globals_private.m_nStrafeMode )
 636         {
 637         case 0:
 638                 cam->m_strafe = false;
 639                 break;
 640         case 1:
 641                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 642                 cam->m_strafe_forward = false;
 643                 break;
 644         case 2:
 645                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 646                 cam->m_strafe_forward = cam->m_strafe;
 647                 break;
 648         case 4:
 649                 cam->m_strafe_forward_invert = true;
 650         default:
 651                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0;
 652                 if ( cam->m_strafe ) {
 653                         cam->m_strafe_forward = ( state & GDK_SHIFT_MASK ) != 0;
 654                 }
 655                 else{
 656                         cam->m_strafe_forward = false;
 657                 }
 658                 break;
 659         }
 660 }
 661
 662
 663
 664
 665
 666 class CamWnd
 667 {
 668 View m_view;
 669 camera_t m_Camera;
 670 RadiantCameraView m_cameraview;
 671 #if 0
 672 int m_PositionDragCursorX;
 673 int m_PositionDragCursorY;
 674 #endif
 675
 676 guint m_freemove_handle_focusout;
 677
 678 static Shader* m_state_select1;
 679 static Shader* m_state_select2;
 680
 681 FreezePointer m_freezePointer;
 682
 683 public:
 684 GtkWidget* m_gl_widget;
 685 GtkWindow* m_parent;
 686
 687 SelectionSystemWindowObserver* m_window_observer;
 688 XORRectangle m_XORRectangle;
 689
 690 DeferredDraw m_deferredDraw;
 691 DeferredMotion m_deferred_motion;
 692
 693 guint m_selection_button_press_handler;
 694 guint m_selection_button_release_handler;
 695 guint m_selection_motion_handler;
 696
 697 guint m_freelook_button_press_handler;
 698
 699 guint m_sizeHandler;
 700 guint m_exposeHandler;
 701
 702 CamWnd();
 703 ~CamWnd();
 704
 705 bool m_drawing;
 706 void queue_draw(){
 707         //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
 708         if ( m_drawing ) {
 709                 return;
 710         }
 711         //globalOutputStream() << "queue... ";
 712         m_deferredDraw.draw();
 713 }
 714 void draw();
 715
 716 static void captureStates(){
 717         m_state_select1 = GlobalShaderCache().capture( "$CAM_HIGHLIGHT" );
 718         m_state_select2 = GlobalShaderCache().capture( "$CAM_OVERLAY" );
 719 }
 720 static void releaseStates(){
 721         GlobalShaderCache().release( "$CAM_HIGHLIGHT" );
 722         GlobalShaderCache().release( "$CAM_OVERLAY" );
 723 }
 724
 725 camera_t& getCamera(){
 726         return m_Camera;
 727 }
 728
 729 void BenchMark();
 730 void Cam_ChangeFloor( bool up );
 731
 732 void DisableFreeMove();
 733 void EnableFreeMove();
 734 bool m_bFreeMove;
 735
 736 CameraView& getCameraView(){
 737         return m_cameraview;
 738 }
 739
 740 private:
 741 void Cam_Draw();
 742 };
 743
 744 typedef MemberCaller<CamWnd, &CamWnd::queue_draw> CamWndQueueDraw;
 745
 746 Shader* CamWnd::m_state_select1 = 0;
 747 Shader* CamWnd::m_state_select2 = 0;
 748
 749 CamWnd* NewCamWnd(){
 750         return new CamWnd;
 751 }
 752 void DeleteCamWnd( CamWnd* camwnd ){
 753         delete camwnd;
 754 }
 755
 756 void CamWnd_constructStatic(){
 757         CamWnd::captureStates();
 758 }
 759
 760 void CamWnd_destroyStatic(){
 761         CamWnd::releaseStates();
 762 }
 763
 764 static CamWnd* g_camwnd = 0;
 765
 766 void GlobalCamera_setCamWnd( CamWnd& camwnd ){
 767         g_camwnd = &camwnd;
 768 }
 769
 770
 771 GtkWidget* CamWnd_getWidget( CamWnd& camwnd ){
 772         return camwnd.m_gl_widget;
 773 }
 774
 775 GtkWindow* CamWnd_getParent( CamWnd& camwnd ){
 776         return camwnd.m_parent;
 777 }
 778
 779 ToggleShown g_camera_shown( true );
 780
 781 void CamWnd_setParent( CamWnd& camwnd, GtkWindow* parent ){
 782         camwnd.m_parent = parent;
 783         g_camera_shown.connect( GTK_WIDGET( camwnd.m_parent ) );
 784 }
 785
 786 void CamWnd_Update( CamWnd& camwnd ){
 787         camwnd.queue_draw();
 788 }
 789
 790
 791
 792 camwindow_globals_t g_camwindow_globals;
 793
 794 const Vector3& Camera_getOrigin( CamWnd& camwnd ){
 795         return Camera_getOrigin( camwnd.getCamera() );
 796 }
 797
 798 void Camera_setOrigin( CamWnd& camwnd, const Vector3& origin ){
 799         Camera_setOrigin( camwnd.getCamera(), origin );
 800 }
 801
 802 const Vector3& Camera_getAngles( CamWnd& camwnd ){
 803         return Camera_getAngles( camwnd.getCamera() );
 804 }
 805
 806 void Camera_setAngles( CamWnd& camwnd, const Vector3& angles ){
 807         Camera_setAngles( camwnd.getCamera(), angles );
 808 }
 809
 810
 811 // =============================================================================
 812 // CamWnd class
 813
 814 gboolean enable_freelook_button_press( GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd ){
 815         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 816                 camwnd->EnableFreeMove();
 817                 return TRUE;
 818         }
 819         return FALSE;
 820 }
 821
 822 gboolean disable_freelook_button_press( GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd ){
 823         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 824                 camwnd->DisableFreeMove();
 825                 return TRUE;
 826         }
 827         return FALSE;
 828 }
 829
 830 #if 0
 831 gboolean mousecontrol_button_press( GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd ){
 832         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
 833                 Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
 834         }
 835         return FALSE;
 836 }
 837 #endif
 838
 839 void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
 840         if ( GTK_WIDGET_VISIBLE( self.m_gl_widget ) ) {
 841                 self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ) );
 842         }
 843 }
 844
 845
 846 gboolean selection_button_press( GtkWidget* widget, GdkEventButton* event, WindowObserver* observer ){
 847         if ( event->type == GDK_BUTTON_PRESS ) {
 848                 gtk_widget_grab_focus( widget );
 849                 observer->onMouseDown( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 850         }
 851         return FALSE;
 852 }
 853
 854 gboolean selection_button_release( GtkWidget* widget, GdkEventButton* event, WindowObserver* observer ){
 855         if ( event->type == GDK_BUTTON_RELEASE ) {
 856                 observer->onMouseUp( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 857         }
 858         return FALSE;
 859 }
 860
 861 void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 862         //globalOutputStream() << "motion... ";
 863         reinterpret_cast<WindowObserver*>( data )->onMouseMotion( WindowVector_forDouble( x, y ), modifiers_for_state( state ) );
 864 }
 865
 866 inline WindowVector windowvector_for_widget_centre( GtkWidget* widget ){
 867         return WindowVector( static_cast<float>( widget->allocation.width / 2 ), static_cast<float>( widget->allocation.height / 2 ) );
 868 }
 869
 870 gboolean selection_button_press_freemove( GtkWidget* widget, GdkEventButton* event, WindowObserver* observer ){
 871         if ( event->type == GDK_BUTTON_PRESS ) {
 872                 observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 873         }
 874         return FALSE;
 875 }
 876
 877 gboolean selection_button_release_freemove( GtkWidget* widget, GdkEventButton* event, WindowObserver* observer ){
 878         if ( event->type == GDK_BUTTON_RELEASE ) {
 879                 observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 880         }
 881         return FALSE;
 882 }
 883
 884 gboolean selection_motion_freemove( GtkWidget *widget, GdkEventMotion *event, WindowObserver* observer ){
 885         observer->onMouseMotion( windowvector_for_widget_centre( widget ), modifiers_for_state( event->state ) );
 886         return FALSE;
 887 }
 888
 889 gboolean wheelmove_scroll( GtkWidget* widget, GdkEventScroll* event, CamWnd* camwnd ){
 890         //gtk_window_set_focus( camwnd->m_parent, camwnd->m_gl_widget );
 891         gtk_widget_grab_focus( camwnd->m_gl_widget );
 892         if( !gtk_window_is_active( camwnd->m_parent ) )
 893                 gtk_window_present( camwnd->m_parent );
 894
 895         if ( event->direction == GDK_SCROLL_UP ) {
 896                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 897                 if( camwnd->m_bFreeMove || !g_camwindow_globals.m_bZoomInToPointer ){
 898                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 899                 }
 900                 else{
 901                         //Matrix4 maa = matrix4_multiplied_by_matrix4( camwnd->getCamera().projection, camwnd->getCamera().modelview );
 902                         Matrix4 maa = camwnd->getCamera().m_view->GetViewMatrix();
 903                         matrix4_affine_invert( maa );
 904
 905                         float x = static_cast<float>( event->x );
 906                         float y = static_cast<float>( event->y );
 907                         Vector3 normalized;
 908
 909                         normalized[0] = 2.0f * ( x ) / static_cast<float>( camwnd->getCamera().width ) - 1.0f;
 910                         normalized[1] = 2.0f * ( y )/ static_cast<float>( camwnd->getCamera().height ) - 1.0f;
 911                         normalized[1] *= -1.f;
 912                         normalized[2] = 0.f;
 913
 914                         normalized *= 16.0f;
 915                                 //globalOutputStream() << normalized << " normalized    ";
 916                         matrix4_transform_point( maa, normalized );
 917                                 //globalOutputStream() << normalized << "\n";
 918                         Vector3 norm = vector3_normalised( normalized - Camera_getOrigin( *camwnd ) );
 919                                 //globalOutputStream() << normalized - Camera_getOrigin( *camwnd ) << "  normalized - Camera_getOrigin( *camwnd )\n";
 920                                 //globalOutputStream() << norm << "  norm\n";
 921                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( norm, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 922                 }
 923         }
 924         else if ( event->direction == GDK_SCROLL_DOWN ) {
 925                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 926                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 927         }
 928
 929         return FALSE;
 930 }
 931
 932 gboolean camera_size_allocate( GtkWidget* widget, GtkAllocation* allocation, CamWnd* camwnd ){
 933         camwnd->getCamera().width = allocation->width;
 934         camwnd->getCamera().height = allocation->height;
 935         Camera_updateProjection( camwnd->getCamera() );
 936         camwnd->m_window_observer->onSizeChanged( camwnd->getCamera().width, camwnd->getCamera().height );
 937         camwnd->queue_draw();
 938         return FALSE;
 939 }
 940
 941 gboolean camera_expose( GtkWidget* widget, GdkEventExpose* event, gpointer data ){
 942         reinterpret_cast<CamWnd*>( data )->draw();
 943         return FALSE;
 944 }
 945
 946 void KeyEvent_connect( const char* name ){
 947         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 948         keydown_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyDown );
 949         keyup_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyUp );
 950 }
 951
 952 void KeyEvent_disconnect( const char* name ){
 953         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 954         keydown_accelerators_remove( keyEvent.m_accelerator );
 955         keyup_accelerators_remove( keyEvent.m_accelerator );
 956 }
 957
 958 void CamWnd_registerCommands( CamWnd& camwnd ){
 959         GlobalKeyEvents_insert( "CameraForward", accelerator_null(),
 960                                                         ReferenceCaller<camera_t, Camera_MoveForward_KeyDown>( camwnd.getCamera() ),
 961                                                         ReferenceCaller<camera_t, Camera_MoveForward_KeyUp>( camwnd.getCamera() )
 962                                                         );
 963         GlobalKeyEvents_insert( "CameraBack", accelerator_null(),
 964                                                         ReferenceCaller<camera_t, Camera_MoveBack_KeyDown>( camwnd.getCamera() ),
 965                                                         ReferenceCaller<camera_t, Camera_MoveBack_KeyUp>( camwnd.getCamera() )
 966                                                         );
 967         GlobalKeyEvents_insert( "CameraLeft", accelerator_null(),
 968                                                         ReferenceCaller<camera_t, Camera_RotateLeft_KeyDown>( camwnd.getCamera() ),
 969                                                         ReferenceCaller<camera_t, Camera_RotateLeft_KeyUp>( camwnd.getCamera() )
 970                                                         );
 971         GlobalKeyEvents_insert( "CameraRight", accelerator_null(),
 972                                                         ReferenceCaller<camera_t, Camera_RotateRight_KeyDown>( camwnd.getCamera() ),
 973                                                         ReferenceCaller<camera_t, Camera_RotateRight_KeyUp>( camwnd.getCamera() )
 974                                                         );
 975         GlobalKeyEvents_insert( "CameraStrafeRight", accelerator_null(),
 976                                                         ReferenceCaller<camera_t, Camera_MoveRight_KeyDown>( camwnd.getCamera() ),
 977                                                         ReferenceCaller<camera_t, Camera_MoveRight_KeyUp>( camwnd.getCamera() )
 978                                                         );
 979         GlobalKeyEvents_insert( "CameraStrafeLeft", accelerator_null(),
 980                                                         ReferenceCaller<camera_t, Camera_MoveLeft_KeyDown>( camwnd.getCamera() ),
 981                                                         ReferenceCaller<camera_t, Camera_MoveLeft_KeyUp>( camwnd.getCamera() )
 982                                                         );
 983         GlobalKeyEvents_insert( "CameraUp", accelerator_null(),
 984                                                         ReferenceCaller<camera_t, Camera_MoveUp_KeyDown>( camwnd.getCamera() ),
 985                                                         ReferenceCaller<camera_t, Camera_MoveUp_KeyUp>( camwnd.getCamera() )
 986                                                         );
 987         GlobalKeyEvents_insert( "CameraDown", accelerator_null(),
 988                                                         ReferenceCaller<camera_t, Camera_MoveDown_KeyDown>( camwnd.getCamera() ),
 989                                                         ReferenceCaller<camera_t, Camera_MoveDown_KeyUp>( camwnd.getCamera() )
 990                                                         );
 991         GlobalKeyEvents_insert( "CameraAngleUp", accelerator_null(),
 992                                                         ReferenceCaller<camera_t, Camera_PitchUp_KeyDown>( camwnd.getCamera() ),
 993                                                         ReferenceCaller<camera_t, Camera_PitchUp_KeyUp>( camwnd.getCamera() )
 994                                                         );
 995         GlobalKeyEvents_insert( "CameraAngleDown", accelerator_null(),
 996                                                         ReferenceCaller<camera_t, Camera_PitchDown_KeyDown>( camwnd.getCamera() ),
 997                                                         ReferenceCaller<camera_t, Camera_PitchDown_KeyUp>( camwnd.getCamera() )
 998                                                         );
 999
1000         GlobalKeyEvents_insert( "CameraFreeMoveForward", accelerator_null(),
1001                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1002                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1003                                                         );
1004         GlobalKeyEvents_insert( "CameraFreeMoveBack", accelerator_null(),
1005                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1006                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1007                                                         );
1008         GlobalKeyEvents_insert( "CameraFreeMoveLeft", accelerator_null(),
1009                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1010                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1011                                                         );
1012         GlobalKeyEvents_insert( "CameraFreeMoveRight", accelerator_null(),
1013                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1014                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1015                                                         );
1016
1017         GlobalKeyEvents_insert( "CameraFreeMoveForward2", accelerator_null(),
1018                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1019                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1020                                                         );
1021         GlobalKeyEvents_insert( "CameraFreeMoveBack2", accelerator_null(),
1022                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1023                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1024                                                         );
1025         GlobalKeyEvents_insert( "CameraFreeMoveLeft2", accelerator_null(),
1026                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1027                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1028                                                         );
1029         GlobalKeyEvents_insert( "CameraFreeMoveRight2", accelerator_null(),
1030                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1031                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1032                                                         );
1033
1034         GlobalKeyEvents_insert( "CameraFreeMoveUp", accelerator_null(),
1035                                                         FreeMoveCameraMoveUpKeyDownCaller( camwnd.getCamera() ),
1036                                                         FreeMoveCameraMoveUpKeyUpCaller( camwnd.getCamera() )
1037                                                         );
1038         GlobalKeyEvents_insert( "CameraFreeMoveDown", accelerator_null(),
1039                                                         FreeMoveCameraMoveDownKeyDownCaller( camwnd.getCamera() ),
1040                                                         FreeMoveCameraMoveDownKeyUpCaller( camwnd.getCamera() )
1041                                                         );
1042
1043         GlobalCommands_insert( "CameraForward", ReferenceCaller<camera_t, Camera_MoveForward_Discrete>( camwnd.getCamera() ) );
1044         GlobalCommands_insert( "CameraBack", ReferenceCaller<camera_t, Camera_MoveBack_Discrete>( camwnd.getCamera() ) );
1045         GlobalCommands_insert( "CameraLeft", ReferenceCaller<camera_t, Camera_RotateLeft_Discrete>( camwnd.getCamera() ) );
1046         GlobalCommands_insert( "CameraRight", ReferenceCaller<camera_t, Camera_RotateRight_Discrete>( camwnd.getCamera() ) );
1047         GlobalCommands_insert( "CameraStrafeRight", ReferenceCaller<camera_t, Camera_MoveRight_Discrete>( camwnd.getCamera() ) );
1048         GlobalCommands_insert( "CameraStrafeLeft", ReferenceCaller<camera_t, Camera_MoveLeft_Discrete>( camwnd.getCamera() ) );
1049
1050         GlobalCommands_insert( "CameraUp", ReferenceCaller<camera_t, Camera_MoveUp_Discrete>( camwnd.getCamera() ) );
1051         GlobalCommands_insert( "CameraDown", ReferenceCaller<camera_t, Camera_MoveDown_Discrete>( camwnd.getCamera() ) );
1052         GlobalCommands_insert( "CameraAngleUp", ReferenceCaller<camera_t, Camera_PitchUp_Discrete>( camwnd.getCamera() ) );
1053         GlobalCommands_insert( "CameraAngleDown", ReferenceCaller<camera_t, Camera_PitchDown_Discrete>( camwnd.getCamera() ) );
1054 }
1055
1056 void CamWnd_Move_Enable( CamWnd& camwnd ){
1057         KeyEvent_connect( "CameraForward" );
1058         KeyEvent_connect( "CameraBack" );
1059         KeyEvent_connect( "CameraLeft" );
1060         KeyEvent_connect( "CameraRight" );
1061         KeyEvent_connect( "CameraStrafeRight" );
1062         KeyEvent_connect( "CameraStrafeLeft" );
1063         KeyEvent_connect( "CameraUp" );
1064         KeyEvent_connect( "CameraDown" );
1065         KeyEvent_connect( "CameraAngleUp" );
1066         KeyEvent_connect( "CameraAngleDown" );
1067 }
1068
1069 void CamWnd_Move_Disable( CamWnd& camwnd ){
1070         KeyEvent_disconnect( "CameraForward" );
1071         KeyEvent_disconnect( "CameraBack" );
1072         KeyEvent_disconnect( "CameraLeft" );
1073         KeyEvent_disconnect( "CameraRight" );
1074         KeyEvent_disconnect( "CameraStrafeRight" );
1075         KeyEvent_disconnect( "CameraStrafeLeft" );
1076         KeyEvent_disconnect( "CameraUp" );
1077         KeyEvent_disconnect( "CameraDown" );
1078         KeyEvent_disconnect( "CameraAngleUp" );
1079         KeyEvent_disconnect( "CameraAngleDown" );
1080 }
1081
1082 void CamWnd_Move_Discrete_Enable( CamWnd& camwnd ){
1083         command_connect_accelerator( "CameraForward" );
1084         command_connect_accelerator( "CameraBack" );
1085         command_connect_accelerator( "CameraLeft" );
1086         command_connect_accelerator( "CameraRight" );
1087         command_connect_accelerator( "CameraStrafeRight" );
1088         command_connect_accelerator( "CameraStrafeLeft" );
1089         command_connect_accelerator( "CameraUp" );
1090         command_connect_accelerator( "CameraDown" );
1091         command_connect_accelerator( "CameraAngleUp" );
1092         command_connect_accelerator( "CameraAngleDown" );
1093 }
1094
1095 void CamWnd_Move_Discrete_Disable( CamWnd& camwnd ){
1096         command_disconnect_accelerator( "CameraForward" );
1097         command_disconnect_accelerator( "CameraBack" );
1098         command_disconnect_accelerator( "CameraLeft" );
1099         command_disconnect_accelerator( "CameraRight" );
1100         command_disconnect_accelerator( "CameraStrafeRight" );
1101         command_disconnect_accelerator( "CameraStrafeLeft" );
1102         command_disconnect_accelerator( "CameraUp" );
1103         command_disconnect_accelerator( "CameraDown" );
1104         command_disconnect_accelerator( "CameraAngleUp" );
1105         command_disconnect_accelerator( "CameraAngleDown" );
1106 }
1107
1108 void CamWnd_Move_Discrete_Import( CamWnd& camwnd, bool value ){
1109         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1110                 CamWnd_Move_Discrete_Disable( camwnd );
1111         }
1112         else
1113         {
1114                 CamWnd_Move_Disable( camwnd );
1115         }
1116
1117         g_camwindow_globals_private.m_bCamDiscrete = value;
1118
1119         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1120                 CamWnd_Move_Discrete_Enable( camwnd );
1121         }
1122         else
1123         {
1124                 CamWnd_Move_Enable( camwnd );
1125         }
1126 }
1127
1128 void CamWnd_Move_Discrete_Import( bool value ){
1129         if ( g_camwnd != 0 ) {
1130                 CamWnd_Move_Discrete_Import( *g_camwnd, value );
1131         }
1132         else
1133         {
1134                 g_camwindow_globals_private.m_bCamDiscrete = value;
1135         }
1136 }
1137
1138
1139
1140 void CamWnd_Add_Handlers_Move( CamWnd& camwnd ){
1141         camwnd.m_selection_button_press_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "button_press_event", G_CALLBACK( selection_button_press ), camwnd.m_window_observer );
1142         camwnd.m_selection_button_release_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "button_release_event", G_CALLBACK( selection_button_release ), camwnd.m_window_observer );
1143         camwnd.m_selection_motion_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &camwnd.m_deferred_motion );
1144
1145         camwnd.m_freelook_button_press_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "button_press_event", G_CALLBACK( enable_freelook_button_press ), &camwnd );
1146
1147         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1148                 CamWnd_Move_Discrete_Enable( camwnd );
1149         }
1150         else
1151         {
1152                 CamWnd_Move_Enable( camwnd );
1153         }
1154 }
1155
1156 void CamWnd_Remove_Handlers_Move( CamWnd& camwnd ){
1157         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1158         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1159         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1160
1161         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1162
1163         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1164                 CamWnd_Move_Discrete_Disable( camwnd );
1165         }
1166         else
1167         {
1168                 CamWnd_Move_Disable( camwnd );
1169         }
1170 }
1171
1172 void CamWnd_Add_Handlers_FreeMove( CamWnd& camwnd ){
1173         camwnd.m_selection_button_press_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "button_press_event", G_CALLBACK( selection_button_press_freemove ), camwnd.m_window_observer );
1174         camwnd.m_selection_button_release_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "button_release_event", G_CALLBACK( selection_button_release_freemove ), camwnd.m_window_observer );
1175         camwnd.m_selection_motion_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "motion_notify_event", G_CALLBACK( selection_motion_freemove ), camwnd.m_window_observer );
1176
1177         camwnd.m_freelook_button_press_handler = g_signal_connect( G_OBJECT( camwnd.m_gl_widget ), "button_press_event", G_CALLBACK( disable_freelook_button_press ), &camwnd );
1178
1179         KeyEvent_connect( "CameraFreeMoveForward" );
1180         KeyEvent_connect( "CameraFreeMoveBack" );
1181         KeyEvent_connect( "CameraFreeMoveLeft" );
1182         KeyEvent_connect( "CameraFreeMoveRight" );
1183
1184         KeyEvent_connect( "CameraFreeMoveForward2" );
1185         KeyEvent_connect( "CameraFreeMoveBack2" );
1186         KeyEvent_connect( "CameraFreeMoveLeft2" );
1187         KeyEvent_connect( "CameraFreeMoveRight2" );
1188
1189         KeyEvent_connect( "CameraFreeMoveUp" );
1190         KeyEvent_connect( "CameraFreeMoveDown" );
1191 }
1192
1193 void CamWnd_Remove_Handlers_FreeMove( CamWnd& camwnd ){
1194         KeyEvent_disconnect( "CameraFreeMoveForward" );
1195         KeyEvent_disconnect( "CameraFreeMoveBack" );
1196         KeyEvent_disconnect( "CameraFreeMoveLeft" );
1197         KeyEvent_disconnect( "CameraFreeMoveRight" );
1198
1199         KeyEvent_disconnect( "CameraFreeMoveForward2" );
1200         KeyEvent_disconnect( "CameraFreeMoveBack2" );
1201         KeyEvent_disconnect( "CameraFreeMoveLeft2" );
1202         KeyEvent_disconnect( "CameraFreeMoveRight2" );
1203
1204         KeyEvent_disconnect( "CameraFreeMoveUp" );
1205         KeyEvent_disconnect( "CameraFreeMoveDown" );
1206
1207         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1208         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1209         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1210
1211         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1212 }
1213
1214 CamWnd::CamWnd() :
1215         m_view( true ),
1216         m_Camera( &m_view, CamWndQueueDraw( *this ) ),
1217         m_cameraview( m_Camera, &m_view, ReferenceCaller<CamWnd, CamWnd_Update>( *this ) ),
1218         m_gl_widget( glwidget_new( TRUE ) ),
1219         m_window_observer( NewWindowObserver() ),
1220         m_XORRectangle( m_gl_widget ),
1221         m_deferredDraw( WidgetQueueDrawCaller( *m_gl_widget ) ),
1222         m_deferred_motion( selection_motion, m_window_observer ),
1223         m_selection_button_press_handler( 0 ),
1224         m_selection_button_release_handler( 0 ),
1225         m_selection_motion_handler( 0 ),
1226         m_freelook_button_press_handler( 0 ),
1227         m_drawing( false ){
1228         m_bFreeMove = false;
1229
1230         GlobalWindowObservers_add( m_window_observer );
1231         GlobalWindowObservers_connectWidget( m_gl_widget );
1232
1233         m_window_observer->setRectangleDrawCallback( ReferenceCaller1<CamWnd, rect_t, camwnd_update_xor_rectangle>( *this ) );
1234         m_window_observer->setView( m_view );
1235
1236         gtk_widget_ref( m_gl_widget );
1237
1238         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 );
1239         GTK_WIDGET_SET_FLAGS( m_gl_widget, GTK_CAN_FOCUS );
1240
1241         m_sizeHandler = g_signal_connect( G_OBJECT( m_gl_widget ), "size_allocate", G_CALLBACK( camera_size_allocate ), this );
1242         m_exposeHandler = g_signal_connect( G_OBJECT( m_gl_widget ), "expose_event", G_CALLBACK( camera_expose ), this );
1243
1244         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
1245
1246         CamWnd_registerCommands( *this );
1247
1248         CamWnd_Add_Handlers_Move( *this );
1249
1250         g_signal_connect( G_OBJECT( m_gl_widget ), "scroll_event", G_CALLBACK( wheelmove_scroll ), this );
1251
1252         AddSceneChangeCallback( ReferenceCaller<CamWnd, CamWnd_Update>( *this ) );
1253
1254         PressedButtons_connect( g_pressedButtons, m_gl_widget );
1255 }
1256
1257 CamWnd::~CamWnd(){
1258         if ( m_bFreeMove ) {
1259                 DisableFreeMove();
1260         }
1261
1262         CamWnd_Remove_Handlers_Move( *this );
1263
1264         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
1265         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
1266
1267         gtk_widget_unref( m_gl_widget );
1268
1269         m_window_observer->release();
1270 }
1271
1272 class FloorHeightWalker : public scene::Graph::Walker
1273 {
1274 float m_current;
1275 float& m_bestUp;
1276 float& m_bestDown;
1277 public:
1278 FloorHeightWalker( float current, float& bestUp, float& bestDown ) :
1279         m_current( current ), m_bestUp( bestUp ), m_bestDown( bestDown ){
1280         bestUp = g_MaxWorldCoord;
1281         bestDown = -g_MaxWorldCoord;
1282 }
1283 bool pre( const scene::Path& path, scene::Instance& instance ) const {
1284         if ( path.top().get().visible()
1285                  && Node_isBrush( path.top() ) ) { // this node is a floor
1286                 const AABB& aabb = instance.worldAABB();
1287                 float floorHeight = aabb.origin.z() + aabb.extents.z();
1288                 if ( floorHeight > m_current && floorHeight < m_bestUp ) {
1289                         m_bestUp = floorHeight;
1290                 }
1291                 if ( floorHeight < m_current && floorHeight > m_bestDown ) {
1292                         m_bestDown = floorHeight;
1293                 }
1294         }
1295         else if( !path.top().get().visible() ){
1296                 return false;
1297         }
1298         return true;
1299 }
1300 };
1301
1302 void CamWnd::Cam_ChangeFloor( bool up ){
1303         float current = m_Camera.origin[2] - 48;
1304         float bestUp;
1305         float bestDown;
1306         GlobalSceneGraph().traverse( FloorHeightWalker( current, bestUp, bestDown ) );
1307
1308         if ( up && bestUp != g_MaxWorldCoord ) {
1309                 current = bestUp;
1310         }
1311         if ( !up && bestDown != -g_MaxWorldCoord ) {
1312                 current = bestDown;
1313         }
1314
1315         m_Camera.origin[2] = current + 48;
1316         Camera_updateModelview( getCamera() );
1317         CamWnd_Update( *this );
1318         CameraMovedNotify();
1319 }
1320
1321
1322 #if 0
1323
1324 // button_press
1325 Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
1326
1327 // motion
1328 if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
1329          || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
1330         Cam_PositionDrag();
1331         CamWnd_Update( camwnd );
1332         CameraMovedNotify();
1333         return;
1334 }
1335
1336 void CamWnd::Cam_PositionDrag(){
1337         int x, y;
1338
1339         Sys_GetCursorPos( GTK_WINDOW( m_gl_widget ), &x, &y );
1340         if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
1341                 x -= m_PositionDragCursorX;
1342                 vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
1343                 y -= m_PositionDragCursorY;
1344                 m_Camera.origin[2] -= y;
1345                 Camera_updateModelview();
1346                 CamWnd_Update( camwnd );
1347                 CameraMovedNotify();
1348
1349                 Sys_SetCursorPos( GTK_WINDOW( m_parent ), m_PositionDragCursorX, m_PositionDragCursorY );
1350         }
1351 }
1352 #endif
1353
1354
1355 // NOTE TTimo if there's an OS-level focus out of the application
1356 //   then we can release the camera cursor grab
1357 static gboolean camwindow_freemove_focusout( GtkWidget* widget, GdkEventFocus* event, gpointer data ){
1358         reinterpret_cast<CamWnd*>( data )->DisableFreeMove();
1359         return FALSE;
1360 }
1361
1362 void CamWnd::EnableFreeMove(){
1363         //globalOutputStream() << "EnableFreeMove\n";
1364
1365         ASSERT_MESSAGE( !m_bFreeMove, "EnableFreeMove: free-move was already enabled" );
1366         m_bFreeMove = true;
1367         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1368
1369         CamWnd_Remove_Handlers_Move( *this );
1370         CamWnd_Add_Handlers_FreeMove( *this );
1371
1372         gtk_window_set_focus( m_parent, m_gl_widget );
1373         m_freemove_handle_focusout = g_signal_connect( G_OBJECT( m_gl_widget ), "focus_out_event", G_CALLBACK( camwindow_freemove_focusout ), this );
1374         m_freezePointer.freeze_pointer( m_parent, m_gl_widget, Camera_motionDelta, &m_Camera );
1375
1376         CamWnd_Update( *this );
1377 }
1378
1379 void CamWnd::DisableFreeMove(){
1380         //globalOutputStream() << "DisableFreeMove\n";
1381
1382         ASSERT_MESSAGE( m_bFreeMove, "DisableFreeMove: free-move was not enabled" );
1383         m_bFreeMove = false;
1384         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1385
1386         CamWnd_Remove_Handlers_FreeMove( *this );
1387         CamWnd_Add_Handlers_Move( *this );
1388
1389         m_freezePointer.unfreeze_pointer( m_parent, true );
1390         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_freemove_handle_focusout );
1391
1392         CamWnd_Update( *this );
1393 }
1394
1395
1396 #include "renderer.h"
1397
1398 class CamRenderer : public Renderer
1399 {
1400 struct state_type
1401 {
1402         state_type() : m_highlight( 0 ), m_state( 0 ), m_lights( 0 ){
1403         }
1404         unsigned int m_highlight;
1405         Shader* m_state;
1406         const LightList* m_lights;
1407 };
1408
1409 std::vector<state_type> m_state_stack;
1410 RenderStateFlags m_globalstate;
1411 Shader* m_state_select0;
1412 Shader* m_state_select1;
1413 const Vector3& m_viewer;
1414
1415 public:
1416 CamRenderer( RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer ) :
1417         m_globalstate( globalstate ),
1418         m_state_select0( select0 ),
1419         m_state_select1( select1 ),
1420         m_viewer( viewer ){
1421         ASSERT_NOTNULL( select0 );
1422         ASSERT_NOTNULL( select1 );
1423         m_state_stack.push_back( state_type() );
1424 }
1425
1426 void SetState( Shader* state, EStyle style ){
1427         ASSERT_NOTNULL( state );
1428         if ( style == eFullMaterials ) {
1429                 m_state_stack.back().m_state = state;
1430         }
1431 }
1432 const EStyle getStyle() const {
1433         return eFullMaterials;
1434 }
1435 void PushState(){
1436         m_state_stack.push_back( m_state_stack.back() );
1437 }
1438 void PopState(){
1439         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
1440         m_state_stack.pop_back();
1441 }
1442 void Highlight( EHighlightMode mode, bool bEnable = true ){
1443         ( bEnable )
1444         ? m_state_stack.back().m_highlight |= mode
1445                                                                                   : m_state_stack.back().m_highlight &= ~mode;
1446 }
1447 void setLights( const LightList& lights ){
1448         m_state_stack.back().m_lights = &lights;
1449 }
1450 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& world ){
1451         if ( m_state_stack.back().m_highlight & ePrimitive ) {
1452                 m_state_select0->addRenderable( renderable, world, m_state_stack.back().m_lights );
1453         }
1454         if ( m_state_stack.back().m_highlight & eFace ) {
1455                 m_state_select1->addRenderable( renderable, world, m_state_stack.back().m_lights );
1456         }
1457
1458         m_state_stack.back().m_state->addRenderable( renderable, world, m_state_stack.back().m_lights );
1459 }
1460
1461 void render( const Matrix4& modelview, const Matrix4& projection ){
1462         GlobalShaderCache().render( m_globalstate, modelview, projection, m_viewer );
1463 }
1464 };
1465
1466 /*
1467    ==============
1468    Cam_Draw
1469    ==============
1470  */
1471 /*
1472 void ShowStatsToggle(){
1473         g_camwindow_globals_private.m_showStats ^= 1;
1474 }
1475 typedef FreeCaller<ShowStatsToggle> ShowStatsToggleCaller;
1476
1477 void ShowStatsExport( const BoolImportCallback& importer ){
1478         importer( g_camwindow_globals_private.m_showStats );
1479 }
1480 typedef FreeCaller1<const BoolImportCallback&, ShowStatsExport> ShowStatsExportCaller;
1481
1482 ShowStatsExportCaller g_show_stats_caller;
1483 BoolExportCallback g_show_stats_callback( g_show_stats_caller );
1484 ToggleItem g_show_stats( g_show_stats_callback );
1485 */
1486 BoolExportCaller g_show_stats_caller( g_camwindow_globals_private.m_showStats );
1487 ToggleItem g_show_stats( g_show_stats_caller );
1488 void ShowStatsToggle(){
1489         g_camwindow_globals_private.m_showStats ^= 1;
1490         g_show_stats.update();
1491         UpdateAllWindows();
1492 }
1493
1494 void CamWnd::Cam_Draw(){
1495         glViewport( 0, 0, m_Camera.width, m_Camera.height );
1496 #if 0
1497         GLint viewprt[4];
1498         glGetIntegerv( GL_VIEWPORT, viewprt );
1499 #endif
1500
1501         // enable depth buffer writes
1502         glDepthMask( GL_TRUE );
1503         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1504
1505         Vector3 clearColour( 0, 0, 0 );
1506         if ( m_Camera.draw_mode != cd_lighting ) {
1507                 clearColour = g_camwindow_globals.color_cameraback;
1508         }
1509
1510         glClearColor( clearColour[0], clearColour[1], clearColour[2], 0 );
1511         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1512
1513         extern void Renderer_ResetStats();
1514         Renderer_ResetStats();
1515         extern void Cull_ResetStats();
1516         Cull_ResetStats();
1517
1518         glMatrixMode( GL_PROJECTION );
1519         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.projection ) );
1520
1521         glMatrixMode( GL_MODELVIEW );
1522         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.modelview ) );
1523
1524
1525         // one directional light source directly behind the viewer
1526         {
1527                 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
1528
1529                 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1530                 ambient[3] = 1.0f;
1531                 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1532                 diffuse[3] = 1.0f;
1533                 //material[0] = material[1] = material[2] = 0.8f;
1534                 //material[3] = 1.0f;
1535
1536                 inverse_cam_dir[0] = m_Camera.vpn[0];
1537                 inverse_cam_dir[1] = m_Camera.vpn[1];
1538                 inverse_cam_dir[2] = m_Camera.vpn[2];
1539                 inverse_cam_dir[3] = 0;
1540
1541                 glLightfv( GL_LIGHT0, GL_POSITION, inverse_cam_dir );
1542
1543                 glLightfv( GL_LIGHT0, GL_AMBIENT, ambient );
1544                 glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse );
1545
1546                 glEnable( GL_LIGHT0 );
1547         }
1548
1549
1550         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;
1551         switch ( m_Camera.draw_mode )
1552         {
1553         case cd_wire:
1554                 break;
1555         case cd_solid:
1556                 globalstate |= RENDER_FILL
1557                                            | RENDER_LIGHTING
1558                                            | RENDER_SMOOTH
1559                                            | RENDER_SCALED;
1560                 break;
1561         case cd_texture:
1562                 globalstate |= RENDER_FILL
1563                                            | RENDER_LIGHTING
1564                                            | RENDER_TEXTURE
1565                                            | RENDER_SMOOTH
1566                                            | RENDER_SCALED;
1567                 break;
1568         case cd_lighting:
1569                 globalstate |= RENDER_FILL
1570                                            | RENDER_LIGHTING
1571                                            | RENDER_TEXTURE
1572                                            | RENDER_SMOOTH
1573                                            | RENDER_SCALED
1574                                            | RENDER_BUMP
1575                                            | RENDER_PROGRAM
1576                                            | RENDER_SCREEN;
1577                 break;
1578         default:
1579                 globalstate = 0;
1580                 break;
1581         }
1582
1583 //      if ( !g_xywindow_globals.m_bNoStipple ) {
1584                 globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
1585 //      }
1586
1587         {
1588                 CamRenderer renderer( globalstate, m_state_select2, m_state_select1, m_view.getViewer() );
1589
1590                 Scene_Render( renderer, m_view );
1591
1592                 renderer.render( m_Camera.modelview, m_Camera.projection );
1593         }
1594
1595         // prepare for 2d stuff
1596         glColor4f( 1, 1, 1, 1 );
1597         glDisable( GL_BLEND );
1598         glMatrixMode( GL_PROJECTION );
1599         glLoadIdentity();
1600         glOrtho( 0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100 );
1601         glScalef( 1, -1, 1 );
1602         glTranslatef( 0, -(float)m_Camera.height, 0 );
1603         glMatrixMode( GL_MODELVIEW );
1604         glLoadIdentity();
1605
1606         if ( GlobalOpenGL().GL_1_3() ) {
1607                 glClientActiveTexture( GL_TEXTURE0 );
1608                 glActiveTexture( GL_TEXTURE0 );
1609         }
1610
1611         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
1612         glDisableClientState( GL_NORMAL_ARRAY );
1613         glDisableClientState( GL_COLOR_ARRAY );
1614
1615         glDisable( GL_TEXTURE_2D );
1616         glDisable( GL_LIGHTING );
1617         glDisable( GL_COLOR_MATERIAL );
1618         glDisable( GL_DEPTH_TEST );
1619         glColor3f( 1.f, 1.f, 1.f );
1620         glLineWidth( 1 );
1621
1622         // draw the crosshair
1623         if ( m_bFreeMove ) {
1624                 glBegin( GL_LINES );
1625                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1626                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1627                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1628                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1629                 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1630                 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1631                 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1632                 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1633                 glEnd();
1634         }
1635
1636         if ( g_camwindow_globals_private.m_showStats ) {
1637                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f );
1638                 extern const char* Renderer_GetStats();
1639                 GlobalOpenGL().drawString( Renderer_GetStats() );
1640
1641                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() - GlobalOpenGL().m_font->getPixelHeight(), 0.0f );
1642                 extern const char* Cull_GetStats();
1643                 GlobalOpenGL().drawString( Cull_GetStats() );
1644         }
1645
1646         // bind back to the default texture so that we don't have problems
1647         // elsewhere using/modifying texture maps between contexts
1648         glBindTexture( GL_TEXTURE_2D, 0 );
1649 }
1650
1651 void CamWnd::draw(){
1652         m_drawing = true;
1653
1654         //globalOutputStream() << "draw...\n";
1655         if ( glwidget_make_current( m_gl_widget ) != FALSE ) {
1656                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
1657                         GlobalOpenGL_debugAssertNoErrors();
1658                         Cam_Draw();
1659                         GlobalOpenGL_debugAssertNoErrors();
1660                         //qglFinish();
1661
1662                         m_XORRectangle.set( rectangle_t() );
1663                 }
1664
1665                 glwidget_swap_buffers( m_gl_widget );
1666         }
1667
1668         m_drawing = false;
1669 }
1670
1671 void CamWnd::BenchMark(){
1672         double dStart = Sys_DoubleTime();
1673         for ( int i = 0 ; i < 100 ; i++ )
1674         {
1675                 Vector3 angles;
1676                 angles[CAMERA_ROLL] = 0;
1677                 angles[CAMERA_PITCH] = 0;
1678                 angles[CAMERA_YAW] = static_cast<float>( i * ( 360.0 / 100.0 ) );
1679                 Camera_setAngles( *this, angles );
1680         }
1681         double dEnd = Sys_DoubleTime();
1682         globalOutputStream() << FloatFormat( dEnd - dStart, 5, 2 ) << " seconds\n";
1683 }
1684
1685
1686 void GlobalCamera_ResetAngles(){
1687         CamWnd& camwnd = *g_camwnd;
1688         Vector3 angles;
1689         angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1690         angles[CAMERA_YAW] = static_cast<float>( 22.5 * floor( ( Camera_getAngles( camwnd )[CAMERA_YAW] + 11 ) / 22.5 ) );
1691         Camera_setAngles( camwnd, angles );
1692 }
1693
1694 #include "select.h"
1695
1696 void GlobalCamera_FocusOnSelected(){
1697         CamWnd& camwnd = *g_camwnd;
1698
1699         Vector3 angles( Camera_getAngles( camwnd ) );
1700         Vector3 radangles( degrees_to_radians( angles[0] ), degrees_to_radians( angles[1] ), degrees_to_radians( angles[2] ) );
1701         Vector3 viewvector;
1702         viewvector[0] = cos( radangles[1] ) * cos( radangles[0] );
1703         viewvector[1] = sin( radangles[1] ) * cos( radangles[0] );
1704         viewvector[2] = sin( radangles[0] );
1705
1706         Vector3 camorigin( Camera_getOrigin( camwnd ) );
1707
1708         AABB aabb( aabb_for_minmax( Select_getWorkZone().d_work_min, Select_getWorkZone().d_work_max ) );
1709
1710         View& view = *( camwnd.getCamera().m_view );
1711
1712         Plane3 frustumPlanes[4];
1713         frustumPlanes[0] = plane3_translated( view.getFrustum().left, camorigin - aabb.origin );
1714         frustumPlanes[1] = plane3_translated( view.getFrustum().right, camorigin - aabb.origin );
1715         frustumPlanes[2] = plane3_translated( view.getFrustum().top, camorigin - aabb.origin );
1716         frustumPlanes[3] = plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin );
1717
1718         float offset = 64.0f;
1719
1720         Vector3 corners[8];
1721         aabb_corners( aabb, corners );
1722
1723         for ( size_t i = 0; i < 4; ++i ){
1724                 for ( size_t j = 0; j < 8; ++j ){
1725                         Ray ray( aabb.origin, -viewvector );
1726                         //Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] - frustumPlanes[i].normal() * 16.0f ) );
1727                         Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] ) );
1728                         float d = vector3_dot( ray.direction, newplane.normal() );
1729                         if( d != 0 ){
1730                                 float s = vector3_dot( newplane.normal() * newplane.dist() - ray.origin, newplane.normal() ) / d;
1731                                 offset = std::max( offset, s );
1732                         }
1733                 }
1734         }
1735         Camera_setOrigin( camwnd, aabb.origin - viewvector * offset );
1736 }
1737
1738 void Camera_ChangeFloorUp(){
1739         CamWnd& camwnd = *g_camwnd;
1740         camwnd.Cam_ChangeFloor( true );
1741 }
1742
1743 void Camera_ChangeFloorDown(){
1744         CamWnd& camwnd = *g_camwnd;
1745         camwnd.Cam_ChangeFloor( false );
1746 }
1747
1748 void Camera_CubeIn(){
1749         CamWnd& camwnd = *g_camwnd;
1750         g_camwindow_globals.m_nCubicScale--;
1751         if ( g_camwindow_globals.m_nCubicScale < 1 ) {
1752                 g_camwindow_globals.m_nCubicScale = 1;
1753         }
1754         Camera_updateProjection( camwnd.getCamera() );
1755         CamWnd_Update( camwnd );
1756         g_pParentWnd->SetGridStatus();
1757 }
1758
1759 void Camera_CubeOut(){
1760         CamWnd& camwnd = *g_camwnd;
1761         g_camwindow_globals.m_nCubicScale++;
1762         if ( g_camwindow_globals.m_nCubicScale > 23 ) {
1763                 g_camwindow_globals.m_nCubicScale = 23;
1764         }
1765         Camera_updateProjection( camwnd.getCamera() );
1766         CamWnd_Update( camwnd );
1767         g_pParentWnd->SetGridStatus();
1768 }
1769
1770 bool Camera_GetFarClip(){
1771         return g_camwindow_globals_private.m_bCubicClipping;
1772 }
1773
1774 BoolExportCaller g_getfarclip_caller( g_camwindow_globals_private.m_bCubicClipping );
1775 ToggleItem g_getfarclip_item( g_getfarclip_caller );
1776
1777 void Camera_SetFarClip( bool value ){
1778         CamWnd& camwnd = *g_camwnd;
1779         g_camwindow_globals_private.m_bCubicClipping = value;
1780         g_getfarclip_item.update();
1781         Camera_updateProjection( camwnd.getCamera() );
1782         CamWnd_Update( camwnd );
1783 }
1784
1785 void Camera_ToggleFarClip(){
1786         Camera_SetFarClip( !Camera_GetFarClip() );
1787 }
1788
1789
1790 void CamWnd_constructToolbar( GtkToolbar* toolbar ){
1791         toolbar_append_toggle_button( toolbar, "Cubic clip the camera view (Ctrl + \\)", "view_cubicclipping.png", "ToggleCubicClip" );
1792 }
1793
1794 void CamWnd_registerShortcuts(){
1795         toggle_add_accelerator( "ToggleCubicClip" );
1796
1797         if ( g_pGameDescription->mGameType == "doom3" ) {
1798                 command_connect_accelerator( "TogglePreview" );
1799         }
1800
1801         command_connect_accelerator( "CameraSpeedInc" );
1802         command_connect_accelerator( "CameraSpeedDec" );
1803 }
1804
1805
1806 void GlobalCamera_Benchmark(){
1807         CamWnd& camwnd = *g_camwnd;
1808         camwnd.BenchMark();
1809 }
1810
1811 void GlobalCamera_Update(){
1812         CamWnd& camwnd = *g_camwnd;
1813         CamWnd_Update( camwnd );
1814 }
1815
1816 camera_draw_mode CamWnd_GetMode(){
1817         return camera_t::draw_mode;
1818 }
1819 void CamWnd_SetMode( camera_draw_mode mode ){
1820         ShaderCache_setBumpEnabled( mode == cd_lighting );
1821         camera_t::draw_mode = mode;
1822         if ( g_camwnd != 0 ) {
1823                 CamWnd_Update( *g_camwnd );
1824         }
1825 }
1826
1827 void CamWnd_TogglePreview( void ){
1828         // gametype must be doom3 for this function to work
1829         // if the gametype is not doom3 something is wrong with the
1830         // global command list or somebody else calls this function.
1831         ASSERT_MESSAGE( g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible" );
1832
1833         // switch between textured and lighting mode
1834         CamWnd_SetMode( ( CamWnd_GetMode() == cd_lighting ) ? cd_texture : cd_lighting );
1835 }
1836
1837
1838 CameraModel* g_camera_model = 0;
1839
1840 void CamWnd_LookThroughCamera( CamWnd& camwnd ){
1841         if ( g_camera_model != 0 ) {
1842                 CamWnd_Add_Handlers_Move( camwnd );
1843                 g_camera_model->setCameraView( 0, Callback() );
1844                 g_camera_model = 0;
1845                 Camera_updateModelview( camwnd.getCamera() );
1846                 Camera_updateProjection( camwnd.getCamera() );
1847                 CamWnd_Update( camwnd );
1848         }
1849 }
1850
1851 inline CameraModel* Instance_getCameraModel( scene::Instance& instance ){
1852         return InstanceTypeCast<CameraModel>::cast( instance );
1853 }
1854
1855 void CamWnd_LookThroughSelected( CamWnd& camwnd ){
1856         if ( g_camera_model != 0 ) {
1857                 CamWnd_LookThroughCamera( camwnd );
1858         }
1859
1860         if ( GlobalSelectionSystem().countSelected() != 0 ) {
1861                 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1862                 CameraModel* cameraModel = Instance_getCameraModel( instance );
1863                 if ( cameraModel != 0 ) {
1864                         CamWnd_Remove_Handlers_Move( camwnd );
1865                         g_camera_model = cameraModel;
1866                         g_camera_model->setCameraView( &camwnd.getCameraView(), ReferenceCaller<CamWnd, CamWnd_LookThroughCamera>( camwnd ) );
1867                 }
1868         }
1869 }
1870
1871 void GlobalCamera_LookThroughSelected(){
1872         CamWnd_LookThroughSelected( *g_camwnd );
1873 }
1874
1875 void GlobalCamera_LookThroughCamera(){
1876         CamWnd_LookThroughCamera( *g_camwnd );
1877 }
1878
1879
1880 void RenderModeImport( int value ){
1881         switch ( value )
1882         {
1883         case 0:
1884                 CamWnd_SetMode( cd_wire );
1885                 break;
1886         case 1:
1887                 CamWnd_SetMode( cd_solid );
1888                 break;
1889         case 2:
1890                 CamWnd_SetMode( cd_texture );
1891                 break;
1892         case 3:
1893                 CamWnd_SetMode( cd_lighting );
1894                 break;
1895         default:
1896                 CamWnd_SetMode( cd_texture );
1897         }
1898 }
1899 typedef FreeCaller1<int, RenderModeImport> RenderModeImportCaller;
1900
1901 void RenderModeExport( const IntImportCallback& importer ){
1902         switch ( CamWnd_GetMode() )
1903         {
1904         case cd_wire:
1905                 importer( 0 );
1906                 break;
1907         case cd_solid:
1908                 importer( 1 );
1909                 break;
1910         case cd_texture:
1911                 importer( 2 );
1912                 break;
1913         case cd_lighting:
1914                 importer( 3 );
1915                 break;
1916         }
1917 }
1918 typedef FreeCaller1<const IntImportCallback&, RenderModeExport> RenderModeExportCaller;
1919
1920 void Camera_constructPreferences( PreferencesPage& page ){
1921         page.appendSlider( "Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10 );
1922         page.appendCheckBox( "", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed );
1923         page.appendSlider( "Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10 );
1924         page.appendCheckBox( "", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse );
1925         page.appendCheckBox( "", "Zoom In to Mouse pointer", g_camwindow_globals.m_bZoomInToPointer );
1926         page.appendCheckBox(
1927                 "", "Discrete movement",
1928                 FreeCaller1<bool, CamWnd_Move_Discrete_Import>(),
1929                 BoolExportCaller( g_camwindow_globals_private.m_bCamDiscrete )
1930                 );
1931         page.appendCheckBox(
1932                 "", "Enable far-clip plane",
1933                 FreeCaller1<bool, Camera_SetFarClip>(),
1934                 BoolExportCaller( g_camwindow_globals_private.m_bCubicClipping )
1935                 );
1936
1937         if ( g_pGameDescription->mGameType == "doom3" ) {
1938                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1939
1940                 page.appendCombo(
1941                         "Render Mode",
1942                         STRING_ARRAY_RANGE( render_mode ),
1943                         IntImportCallback( RenderModeImportCaller() ),
1944                         IntExportCallback( RenderModeExportCaller() )
1945                         );
1946         }
1947         else
1948         {
1949                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1950
1951                 page.appendCombo(
1952                         "Render Mode",
1953                         STRING_ARRAY_RANGE( render_mode ),
1954                         IntImportCallback( RenderModeImportCaller() ),
1955                         IntExportCallback( RenderModeExportCaller() )
1956                         );
1957         }
1958
1959         const char* strafe_mode[] = { "None", "Up", "Forward", "Both", "Both Inverted" };
1960
1961         page.appendCombo(
1962                 "Strafe Mode",
1963                 g_camwindow_globals_private.m_nStrafeMode,
1964                 STRING_ARRAY_RANGE( strafe_mode )
1965                 );
1966 }
1967 void Camera_constructPage( PreferenceGroup& group ){
1968         PreferencesPage page( group.createPage( "Camera", "Camera View Preferences" ) );
1969         Camera_constructPreferences( page );
1970 }
1971 void Camera_registerPreferencesPage(){
1972         PreferencesDialog_addSettingsPage( FreeCaller1<PreferenceGroup&, Camera_constructPage>() );
1973 }
1974
1975 #include "preferencesystem.h"
1976 #include "stringio.h"
1977 #include "dialog.h"
1978
1979 typedef FreeCaller1<bool, CamWnd_Move_Discrete_Import> CamWndMoveDiscreteImportCaller;
1980
1981 void CameraSpeed_increase(){
1982         if ( g_camwindow_globals_private.m_nMoveSpeed <= ( MAX_CAM_SPEED - CAM_SPEED_STEP - 10 ) ) {
1983                 g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
1984         }
1985         else {
1986                 g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
1987         }
1988 }
1989
1990 void CameraSpeed_decrease(){
1991         if ( g_camwindow_globals_private.m_nMoveSpeed >= ( MIN_CAM_SPEED + CAM_SPEED_STEP ) ) {
1992                 g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
1993         }
1994         else {
1995                 g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
1996         }
1997 }
1998
1999 /// \brief Initialisation for things that have the same lifespan as this module.
2000 void CamWnd_Construct(){
2001         GlobalCommands_insert( "CenterView", FreeCaller<GlobalCamera_ResetAngles>(), Accelerator( GDK_End ) );
2002         GlobalCommands_insert( "CameraFocusOnSelected", FreeCaller<GlobalCamera_FocusOnSelected>(), Accelerator( GDK_Tab ) );
2003
2004         GlobalToggles_insert( "ToggleCubicClip", FreeCaller<Camera_ToggleFarClip>(), ToggleItem::AddCallbackCaller( g_getfarclip_item ), Accelerator( '\\', (GdkModifierType)GDK_CONTROL_MASK ) );
2005         GlobalCommands_insert( "CubicClipZoomIn", FreeCaller<Camera_CubeIn>(), Accelerator( '[', (GdkModifierType)GDK_CONTROL_MASK ) );
2006         GlobalCommands_insert( "CubicClipZoomOut", FreeCaller<Camera_CubeOut>(), Accelerator( ']', (GdkModifierType)GDK_CONTROL_MASK ) );
2007
2008         GlobalCommands_insert( "UpFloor", FreeCaller<Camera_ChangeFloorUp>(), Accelerator( GDK_Prior ) );
2009         GlobalCommands_insert( "DownFloor", FreeCaller<Camera_ChangeFloorDown>(), Accelerator( GDK_Next ) );
2010
2011         GlobalToggles_insert( "ToggleCamera", ToggleShown::ToggleCaller( g_camera_shown ), ToggleItem::AddCallbackCaller( g_camera_shown.m_item ), Accelerator( 'C', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2012 //      GlobalCommands_insert( "LookThroughSelected", FreeCaller<GlobalCamera_LookThroughSelected>() );
2013 //      GlobalCommands_insert( "LookThroughCamera", FreeCaller<GlobalCamera_LookThroughCamera>() );
2014
2015         if ( g_pGameDescription->mGameType == "doom3" ) {
2016                 GlobalCommands_insert( "TogglePreview", FreeCaller<CamWnd_TogglePreview>(), Accelerator( GDK_F3 ) );
2017         }
2018
2019         GlobalCommands_insert( "CameraSpeedInc", FreeCaller<CameraSpeed_increase>(), Accelerator( GDK_KP_Add, (GdkModifierType)GDK_SHIFT_MASK ) );
2020         GlobalCommands_insert( "CameraSpeedDec", FreeCaller<CameraSpeed_decrease>(), Accelerator( GDK_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK ) );
2021
2022         GlobalShortcuts_insert( "CameraForward", Accelerator( GDK_Up ) );
2023         GlobalShortcuts_insert( "CameraBack", Accelerator( GDK_Down ) );
2024         GlobalShortcuts_insert( "CameraLeft", Accelerator( GDK_Left ) );
2025         GlobalShortcuts_insert( "CameraRight", Accelerator( GDK_Right ) );
2026         GlobalShortcuts_insert( "CameraStrafeRight", Accelerator( 'D' ) );
2027         GlobalShortcuts_insert( "CameraStrafeLeft", Accelerator( 'A' ) );
2028
2029         GlobalShortcuts_insert( "CameraUp", accelerator_null() );
2030         GlobalShortcuts_insert( "CameraDown", accelerator_null() );
2031         GlobalShortcuts_insert( "CameraAngleUp", accelerator_null() );
2032         GlobalShortcuts_insert( "CameraAngleDown", accelerator_null() );
2033
2034         GlobalShortcuts_insert( "CameraFreeMoveForward", Accelerator( 'W' ) );
2035         GlobalShortcuts_insert( "CameraFreeMoveBack", Accelerator( 'S' ) );
2036         GlobalShortcuts_insert( "CameraFreeMoveLeft", Accelerator( 'A' ) );
2037         GlobalShortcuts_insert( "CameraFreeMoveRight", Accelerator( 'D' ) );
2038
2039         GlobalShortcuts_insert( "CameraFreeMoveForward2", Accelerator( GDK_Up ) );
2040         GlobalShortcuts_insert( "CameraFreeMoveBack2", Accelerator( GDK_Down ) );
2041         GlobalShortcuts_insert( "CameraFreeMoveLeft2", Accelerator( GDK_Left ) );
2042         GlobalShortcuts_insert( "CameraFreeMoveRight2", Accelerator( GDK_Right ) );
2043
2044         GlobalShortcuts_insert( "CameraFreeMoveUp", accelerator_null() );
2045         GlobalShortcuts_insert( "CameraFreeMoveDown", accelerator_null() );
2046
2047         GlobalToggles_insert( "ShowStats", FreeCaller<ShowStatsToggle>(), ToggleItem::AddCallbackCaller( g_show_stats ) );
2048
2049         GlobalPreferenceSystem().registerPreference( "ShowStats", BoolImportStringCaller( g_camwindow_globals_private.m_showStats ), BoolExportStringCaller( g_camwindow_globals_private.m_showStats ) );
2050         GlobalPreferenceSystem().registerPreference( "MoveSpeed", IntImportStringCaller( g_camwindow_globals_private.m_nMoveSpeed ), IntExportStringCaller( g_camwindow_globals_private.m_nMoveSpeed ) );
2051         GlobalPreferenceSystem().registerPreference( "CamLinkSpeed", BoolImportStringCaller( g_camwindow_globals_private.m_bCamLinkSpeed ), BoolExportStringCaller( g_camwindow_globals_private.m_bCamLinkSpeed ) );
2052         GlobalPreferenceSystem().registerPreference( "AngleSpeed", IntImportStringCaller( g_camwindow_globals_private.m_nAngleSpeed ), IntExportStringCaller( g_camwindow_globals_private.m_nAngleSpeed ) );
2053         GlobalPreferenceSystem().registerPreference( "CamInverseMouse", BoolImportStringCaller( g_camwindow_globals_private.m_bCamInverseMouse ), BoolExportStringCaller( g_camwindow_globals_private.m_bCamInverseMouse ) );
2054         GlobalPreferenceSystem().registerPreference( "CamDiscrete", makeBoolStringImportCallback( CamWndMoveDiscreteImportCaller() ), BoolExportStringCaller( g_camwindow_globals_private.m_bCamDiscrete ) );
2055         GlobalPreferenceSystem().registerPreference( "CubicClipping", BoolImportStringCaller( g_camwindow_globals_private.m_bCubicClipping ), BoolExportStringCaller( g_camwindow_globals_private.m_bCubicClipping ) );
2056         GlobalPreferenceSystem().registerPreference( "CubicScale", IntImportStringCaller( g_camwindow_globals.m_nCubicScale ), IntExportStringCaller( g_camwindow_globals.m_nCubicScale ) );
2057         GlobalPreferenceSystem().registerPreference( "SI_Colors4", Vector3ImportStringCaller( g_camwindow_globals.color_cameraback ), Vector3ExportStringCaller( g_camwindow_globals.color_cameraback ) );
2058         GlobalPreferenceSystem().registerPreference( "SI_Colors12", Vector3ImportStringCaller( g_camwindow_globals.color_selbrushes3d ), Vector3ExportStringCaller( g_camwindow_globals.color_selbrushes3d ) );
2059         GlobalPreferenceSystem().registerPreference( "CameraRenderMode", makeIntStringImportCallback( RenderModeImportCaller() ), makeIntStringExportCallback( RenderModeExportCaller() ) );
2060         GlobalPreferenceSystem().registerPreference( "StrafeMode", IntImportStringCaller( g_camwindow_globals_private.m_nStrafeMode ), IntExportStringCaller( g_camwindow_globals_private.m_nStrafeMode ) );
2061         GlobalPreferenceSystem().registerPreference( "3DZoomInToPointer", BoolImportStringCaller( g_camwindow_globals.m_bZoomInToPointer ), BoolExportStringCaller( g_camwindow_globals.m_bZoomInToPointer ) );
2062
2063         CamWnd_constructStatic();
2064
2065         Camera_registerPreferencesPage();
2066 }
2067 void CamWnd_Destroy(){
2068         CamWnd_destroyStatic();
2069 }