radiant/camwindow.cpp

   1 /*
   2    Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   3    For a list of contributors, see the accompanying CONTRIBUTORS file.
   4
   5    This file is part of GtkRadiant.
   6
   7    GtkRadiant is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    GtkRadiant is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GtkRadiant; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 //
  23 // Camera Window
  24 //
  25 // Leonardo Zide (leo@lokigames.com)
  26 //
  27
  28 #include "camwindow.h"
  29
  30 #include <gtk/gtk.h>
  31 #include <gdk/gdkkeysyms.h>
  32
  33 #include "debugging/debugging.h"
  34
  35 #include "iscenegraph.h"
  36 #include "irender.h"
  37 #include "igl.h"
  38 #include "icamera.h"
  39 #include "cullable.h"
  40 #include "renderable.h"
  41 #include "preferencesystem.h"
  42
  43 #include "signal/signal.h"
  44 #include "container/array.h"
  45 #include "scenelib.h"
  46 #include "render.h"
  47 #include "cmdlib.h"
  48 #include "math/frustum.h"
  49
  50 #include "gtkutil/widget.h"
  51 #include "gtkutil/button.h"
  52 #include "gtkutil/toolbar.h"
  53 #include "gtkutil/glwidget.h"
  54 #include "gtkutil/xorrectangle.h"
  55 #include "gtkmisc.h"
  56 #include "selection.h"
  57 #include "mainframe.h"
  58 #include "preferences.h"
  59 #include "commands.h"
  60 #include "xywindow.h"
  61 #include "windowobservers.h"
  62 #include "renderstate.h"
  63
  64 #include "timer.h"
  65
  66 Signal0 g_cameraMoved_callbacks;
  67
  68 void AddCameraMovedCallback( const SignalHandler& handler ){
  69         g_cameraMoved_callbacks.connectLast( handler );
  70 }
  71
  72 void CameraMovedNotify(){
  73         g_cameraMoved_callbacks();
  74 }
  75
  76
  77 struct camwindow_globals_private_t
  78 {
  79         int m_nMoveSpeed;
  80         bool m_bCamLinkSpeed;
  81         int m_nAngleSpeed;
  82         bool m_bCamInverseMouse;
  83         bool m_bCamDiscrete;
  84         bool m_bCubicClipping;
  85         bool m_showStats;
  86         int m_nStrafeMode;
  87
  88         camwindow_globals_private_t() :
  89                 m_nMoveSpeed( 100 ),
  90                 m_bCamLinkSpeed( true ),
  91                 m_nAngleSpeed( 3 ),
  92                 m_bCamInverseMouse( false ),
  93                 m_bCamDiscrete( true ),
  94                 m_bCubicClipping( false ),
  95                 m_showStats( true ),
  96                 m_nStrafeMode( 3 ){
  97         }
  98
  99 };
 100
 101 camwindow_globals_private_t g_camwindow_globals_private;
 102
 103
 104 const Matrix4 g_opengl2radiant(
 105         0, 0,-1, 0,
 106         -1, 0, 0, 0,
 107         0, 1, 0, 0,
 108         0, 0, 0, 1
 109         );
 110
 111 const Matrix4 g_radiant2opengl(
 112         0,-1, 0, 0,
 113         0, 0, 1, 0,
 114         -1, 0, 0, 0,
 115         0, 0, 0, 1
 116         );
 117
 118 struct camera_t;
 119 void Camera_mouseMove( camera_t& camera, int x, int y );
 120
 121 enum camera_draw_mode
 122 {
 123         cd_wire,
 124         cd_solid,
 125         cd_texture,
 126         cd_lighting
 127 };
 128
 129 struct camera_t
 130 {
 131         int width, height;
 132
 133         bool timing;
 134
 135         Vector3 origin;
 136         Vector3 angles;
 137
 138         Vector3 color; // background
 139
 140         Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
 141         Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
 142
 143         Matrix4 projection;
 144         Matrix4 modelview;
 145
 146         bool m_strafe; // true when in strafemode toggled by the ctrl-key
 147         bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
 148         bool m_strafe_forward_invert; //silly option to invert forward strafing to support old fegs
 149
 150         unsigned int movementflags; // movement flags
 151         Timer m_keycontrol_timer;
 152         guint m_keymove_handler;
 153
 154
 155         float fieldOfView;
 156
 157         DeferredMotionDelta m_mouseMove;
 158
 159         static void motionDelta( int x, int y, void* data ){
 160                 Camera_mouseMove( *reinterpret_cast<camera_t*>( data ), x, y );
 161         }
 162
 163         View* m_view;
 164         Callback<void()> m_update;
 165
 166         static camera_draw_mode draw_mode;
 167
 168         camera_t( View* view, const Callback<void()>& update )
 169                 : width( 0 ),
 170                 height( 0 ),
 171                 timing( false ),
 172                 origin( 0, 0, 0 ),
 173                 angles( 0, 0, 0 ),
 174                 color( 0, 0, 0 ),
 175                 movementflags( 0 ),
 176                 m_keymove_handler( 0 ),
 177                 fieldOfView( 110.0f ),
 178                 m_mouseMove( motionDelta, this ),
 179                 m_view( view ),
 180                 m_update( update ){
 181         }
 182 };
 183
 184 camera_draw_mode camera_t::draw_mode = cd_texture;
 185
 186 inline Matrix4 projection_for_camera( float near_z, float far_z, float fieldOfView, int width, int height ){
 187         const float half_width = static_cast<float>( near_z * tan( degrees_to_radians( fieldOfView * 0.5 ) ) );
 188         const float half_height = half_width * ( static_cast<float>( height ) / static_cast<float>( width ) );
 189
 190         return matrix4_frustum(
 191                            -half_width,
 192                            half_width,
 193                            -half_height,
 194                            half_height,
 195                            near_z,
 196                            far_z
 197                            );
 198 }
 199
 200 float Camera_getFarClipPlane( camera_t& camera ){
 201         return ( g_camwindow_globals_private.m_bCubicClipping ) ? pow( 2.0, ( g_camwindow_globals.m_nCubicScale + 7 ) / 2.0 ) : 32768.0f;
 202 }
 203
 204 void Camera_updateProjection( camera_t& camera ){
 205         float farClip = Camera_getFarClipPlane( camera );
 206         camera.projection = projection_for_camera( farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height );
 207
 208         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 209 }
 210
 211 void Camera_updateVectors( camera_t& camera ){
 212         for ( int i = 0 ; i < 3 ; i++ )
 213         {
 214                 camera.vright[i] = camera.modelview[( i << 2 ) + 0];
 215                 camera.vup[i] = camera.modelview[( i << 2 ) + 1];
 216                 camera.vpn[i] = camera.modelview[( i << 2 ) + 2];
 217         }
 218 }
 219
 220 void Camera_updateModelview( camera_t& camera ){
 221         camera.modelview = g_matrix4_identity;
 222
 223         // roll, pitch, yaw
 224         Vector3 radiant_eulerXYZ( 0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW] );
 225
 226         matrix4_translate_by_vec3( camera.modelview, camera.origin );
 227         matrix4_rotate_by_euler_xyz_degrees( camera.modelview, radiant_eulerXYZ );
 228         matrix4_multiply_by_matrix4( camera.modelview, g_radiant2opengl );
 229         matrix4_affine_invert( camera.modelview );
 230
 231         Camera_updateVectors( camera );
 232
 233         camera.m_view->Construct( camera.projection, camera.modelview, camera.width, camera.height );
 234 }
 235
 236
 237 void Camera_Move_updateAxes( camera_t& camera ){
 238         double ya = degrees_to_radians( camera.angles[CAMERA_YAW] );
 239
 240         // the movement matrix is kept 2d
 241         camera.forward[0] = static_cast<float>( cos( ya ) );
 242         camera.forward[1] = static_cast<float>( sin( ya ) );
 243         camera.forward[2] = 0;
 244         camera.right[0] = camera.forward[1];
 245         camera.right[1] = -camera.forward[0];
 246 }
 247
 248 void Camera_Freemove_updateAxes( camera_t& camera ){
 249         camera.right = camera.vright;
 250         camera.forward = vector3_negated( camera.vpn );
 251 }
 252
 253 const Vector3& Camera_getOrigin( camera_t& camera ){
 254         return camera.origin;
 255 }
 256
 257 void Camera_setOrigin( camera_t& camera, const Vector3& origin ){
 258         camera.origin = origin;
 259         Camera_updateModelview( camera );
 260         camera.m_update();
 261         CameraMovedNotify();
 262 }
 263
 264 const Vector3& Camera_getAngles( camera_t& camera ){
 265         return camera.angles;
 266 }
 267
 268 void Camera_setAngles( camera_t& camera, const Vector3& angles ){
 269         camera.angles = angles;
 270         Camera_updateModelview( camera );
 271         camera.m_update();
 272         CameraMovedNotify();
 273 }
 274
 275
 276 void Camera_FreeMove( camera_t& camera, int dx, int dy ){
 277         // free strafe mode, toggled by the ctrl key with optional shift for forward movement
 278         if ( camera.m_strafe ) {
 279                 float strafespeed = 0.65f;
 280
 281                 if ( g_camwindow_globals_private.m_bCamLinkSpeed ) {
 282                         strafespeed = (float)g_camwindow_globals_private.m_nMoveSpeed / 100;
 283                 }
 284
 285                 camera.origin -= camera.vright * strafespeed * dx;
 286                 if ( camera.m_strafe_forward ) {
 287                         camera.origin += camera.m_strafe_forward_invert ? ( camera.vpn * strafespeed * dy ) : ( -camera.vpn * strafespeed * dy );
 288                 }
 289                 else{
 290                         camera.origin += camera.vup * strafespeed * dy;
 291                 }
 292         }
 293         else // free rotation
 294         {
 295                 const float dtime = 0.1f;
 296
 297                 if ( g_camwindow_globals_private.m_bCamInverseMouse ) {
 298                         camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 299                 }
 300                 else{
 301                         camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 302                 }
 303
 304                 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 305
 306                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 307                         camera.angles[CAMERA_PITCH] = 90;
 308                 }
 309                 else if ( camera.angles[CAMERA_PITCH] < -90 ) {
 310                         camera.angles[CAMERA_PITCH] = -90;
 311                 }
 312
 313                 if ( camera.angles[CAMERA_YAW] >= 360 ) {
 314                         camera.angles[CAMERA_YAW] -= 360;
 315                 }
 316                 else if ( camera.angles[CAMERA_YAW] <= 0 ) {
 317                         camera.angles[CAMERA_YAW] += 360;
 318                 }
 319         }
 320
 321         Camera_updateModelview( camera );
 322         Camera_Freemove_updateAxes( camera );
 323 }
 324
 325 void Cam_MouseControl( camera_t& camera, int x, int y ){
 326         float xf = (float)( x - camera.width / 2 ) / ( camera.width / 2 );
 327         float yf = (float)( y - camera.height / 2 ) / ( camera.height / 2 );
 328
 329         xf *= 1.0f - fabsf( yf );
 330         if ( xf < 0 ) {
 331                 xf += 0.1f;
 332                 if ( xf > 0 ) {
 333                         xf = 0;
 334                 }
 335         }
 336         else
 337         {
 338                 xf -= 0.1f;
 339                 if ( xf < 0 ) {
 340                         xf = 0;
 341                 }
 342         }
 343
 344         vector3_add( camera.origin, vector3_scaled( camera.forward, yf * 0.1f * g_camwindow_globals_private.m_nMoveSpeed ) );
 345         camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
 346
 347         Camera_updateModelview( camera );
 348 }
 349
 350 void Camera_mouseMove( camera_t& camera, int x, int y ){
 351         //globalOutputStream() << "mousemove... ";
 352         Camera_FreeMove( camera, -x, -y );
 353         camera.m_update();
 354         CameraMovedNotify();
 355 }
 356
 357 const unsigned int MOVE_NONE = 0;
 358 const unsigned int MOVE_FORWARD = 1 << 0;
 359 const unsigned int MOVE_BACK = 1 << 1;
 360 const unsigned int MOVE_ROTRIGHT = 1 << 2;
 361 const unsigned int MOVE_ROTLEFT = 1 << 3;
 362 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
 363 const unsigned int MOVE_STRAFELEFT = 1 << 5;
 364 const unsigned int MOVE_UP = 1 << 6;
 365 const unsigned int MOVE_DOWN = 1 << 7;
 366 const unsigned int MOVE_PITCHUP = 1 << 8;
 367 const unsigned int MOVE_PITCHDOWN = 1 << 9;
 368 const unsigned int MOVE_ALL = MOVE_FORWARD | MOVE_BACK | MOVE_ROTRIGHT | MOVE_ROTLEFT | MOVE_STRAFERIGHT | MOVE_STRAFELEFT | MOVE_UP | MOVE_DOWN | MOVE_PITCHUP | MOVE_PITCHDOWN;
 369
 370 void Cam_KeyControl( camera_t& camera, float dtime ){
 371         // Update angles
 372         if ( camera.movementflags & MOVE_ROTLEFT ) {
 373                 camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 374         }
 375         if ( camera.movementflags & MOVE_ROTRIGHT ) {
 376                 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 377         }
 378         if ( camera.movementflags & MOVE_PITCHUP ) {
 379                 camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 380                 if ( camera.angles[CAMERA_PITCH] > 90 ) {
 381                         camera.angles[CAMERA_PITCH] = 90;
 382                 }
 383         }
 384         if ( camera.movementflags & MOVE_PITCHDOWN ) {
 385                 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
 386                 if ( camera.angles[CAMERA_PITCH] < -90 ) {
 387                         camera.angles[CAMERA_PITCH] = -90;
 388                 }
 389         }
 390
 391         Camera_updateModelview( camera );
 392         Camera_Freemove_updateAxes( camera );
 393
 394         // Update position
 395         if ( camera.movementflags & MOVE_FORWARD ) {
 396                 vector3_add( camera.origin, vector3_scaled( camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 397         }
 398         if ( camera.movementflags & MOVE_BACK ) {
 399                 vector3_add( camera.origin, vector3_scaled( camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 400         }
 401         if ( camera.movementflags & MOVE_STRAFELEFT ) {
 402                 vector3_add( camera.origin, vector3_scaled( camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 403         }
 404         if ( camera.movementflags & MOVE_STRAFERIGHT ) {
 405                 vector3_add( camera.origin, vector3_scaled( camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 406         }
 407         if ( camera.movementflags & MOVE_UP ) {
 408                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 409         }
 410         if ( camera.movementflags & MOVE_DOWN ) {
 411                 vector3_add( camera.origin, vector3_scaled( g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed ) );
 412         }
 413
 414         Camera_updateModelview( camera );
 415 }
 416
 417 void Camera_keyMove( camera_t& camera ){
 418         camera.m_mouseMove.flush();
 419
 420         //globalOutputStream() << "keymove... ";
 421         float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
 422         camera.m_keycontrol_timer.start();
 423         if ( time_seconds > 0.05f ) {
 424                 time_seconds = 0.05f; // 20fps
 425         }
 426         Cam_KeyControl( camera, time_seconds * 5.0f );
 427
 428         camera.m_update();
 429         CameraMovedNotify();
 430 }
 431
 432 gboolean camera_keymove( gpointer data ){
 433         Camera_keyMove( *reinterpret_cast<camera_t*>( data ) );
 434         return TRUE;
 435 }
 436
 437 void Camera_setMovementFlags( camera_t& camera, unsigned int mask ){
 438         if ( ( ~camera.movementflags & mask ) != 0 && camera.movementflags == 0 ) {
 439                 camera.m_keymove_handler = g_idle_add( camera_keymove, &camera );
 440         }
 441         camera.movementflags |= mask;
 442 }
 443 void Camera_clearMovementFlags( camera_t& camera, unsigned int mask ){
 444         if ( ( camera.movementflags & ~mask ) == 0 && camera.movementflags != 0 ) {
 445                 g_source_remove( camera.m_keymove_handler );
 446                 camera.m_keymove_handler = 0;
 447         }
 448         camera.movementflags &= ~mask;
 449 }
 450
 451 void Camera_MoveForward_KeyDown( camera_t& camera ){
 452         Camera_setMovementFlags( camera, MOVE_FORWARD );
 453 }
 454 void Camera_MoveForward_KeyUp( camera_t& camera ){
 455         Camera_clearMovementFlags( camera, MOVE_FORWARD );
 456 }
 457 void Camera_MoveBack_KeyDown( camera_t& camera ){
 458         Camera_setMovementFlags( camera, MOVE_BACK );
 459 }
 460 void Camera_MoveBack_KeyUp( camera_t& camera ){
 461         Camera_clearMovementFlags( camera, MOVE_BACK );
 462 }
 463
 464 void Camera_MoveLeft_KeyDown( camera_t& camera ){
 465         Camera_setMovementFlags( camera, MOVE_STRAFELEFT );
 466 }
 467 void Camera_MoveLeft_KeyUp( camera_t& camera ){
 468         Camera_clearMovementFlags( camera, MOVE_STRAFELEFT );
 469 }
 470 void Camera_MoveRight_KeyDown( camera_t& camera ){
 471         Camera_setMovementFlags( camera, MOVE_STRAFERIGHT );
 472 }
 473 void Camera_MoveRight_KeyUp( camera_t& camera ){
 474         Camera_clearMovementFlags( camera, MOVE_STRAFERIGHT );
 475 }
 476
 477 void Camera_MoveUp_KeyDown( camera_t& camera ){
 478         Camera_setMovementFlags( camera, MOVE_UP );
 479 }
 480 void Camera_MoveUp_KeyUp( camera_t& camera ){
 481         Camera_clearMovementFlags( camera, MOVE_UP );
 482 }
 483 void Camera_MoveDown_KeyDown( camera_t& camera ){
 484         Camera_setMovementFlags( camera, MOVE_DOWN );
 485 }
 486 void Camera_MoveDown_KeyUp( camera_t& camera ){
 487         Camera_clearMovementFlags( camera, MOVE_DOWN );
 488 }
 489
 490 void Camera_RotateLeft_KeyDown( camera_t& camera ){
 491         Camera_setMovementFlags( camera, MOVE_ROTLEFT );
 492 }
 493 void Camera_RotateLeft_KeyUp( camera_t& camera ){
 494         Camera_clearMovementFlags( camera, MOVE_ROTLEFT );
 495 }
 496 void Camera_RotateRight_KeyDown( camera_t& camera ){
 497         Camera_setMovementFlags( camera, MOVE_ROTRIGHT );
 498 }
 499 void Camera_RotateRight_KeyUp( camera_t& camera ){
 500         Camera_clearMovementFlags( camera, MOVE_ROTRIGHT );
 501 }
 502
 503 void Camera_PitchUp_KeyDown( camera_t& camera ){
 504         Camera_setMovementFlags( camera, MOVE_PITCHUP );
 505 }
 506 void Camera_PitchUp_KeyUp( camera_t& camera ){
 507         Camera_clearMovementFlags( camera, MOVE_PITCHUP );
 508 }
 509 void Camera_PitchDown_KeyDown( camera_t& camera ){
 510         Camera_setMovementFlags( camera, MOVE_PITCHDOWN );
 511 }
 512 void Camera_PitchDown_KeyUp( camera_t& camera ){
 513         Camera_clearMovementFlags( camera, MOVE_PITCHDOWN );
 514 }
 515
 516
 517 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
 518 typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
 519 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
 520 typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
 521 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
 522 typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
 523 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
 524 typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
 525 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
 526 typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
 527 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
 528 typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 529
 530
 531 const float SPEED_MOVE = 32;
 532 const float SPEED_TURN = 22.5;
 533 const float MIN_CAM_SPEED = 10;
 534 const float MAX_CAM_SPEED = 610;
 535 const float CAM_SPEED_STEP = 50;
 536
 537 void Camera_MoveForward_Discrete( camera_t& camera ){
 538         Camera_Move_updateAxes( camera );
 539         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, SPEED_MOVE ) ) );
 540 }
 541 void Camera_MoveBack_Discrete( camera_t& camera ){
 542         Camera_Move_updateAxes( camera );
 543         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.forward, -SPEED_MOVE ) ) );
 544 }
 545
 546 void Camera_MoveUp_Discrete( camera_t& camera ){
 547         Vector3 origin( Camera_getOrigin( camera ) );
 548         origin[2] += SPEED_MOVE;
 549         Camera_setOrigin( camera, origin );
 550 }
 551 void Camera_MoveDown_Discrete( camera_t& camera ){
 552         Vector3 origin( Camera_getOrigin( camera ) );
 553         origin[2] -= SPEED_MOVE;
 554         Camera_setOrigin( camera, origin );
 555 }
 556
 557 void Camera_MoveLeft_Discrete( camera_t& camera ){
 558         Camera_Move_updateAxes( camera );
 559         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, -SPEED_MOVE ) ) );
 560 }
 561 void Camera_MoveRight_Discrete( camera_t& camera ){
 562         Camera_Move_updateAxes( camera );
 563         Camera_setOrigin( camera, vector3_added( Camera_getOrigin( camera ), vector3_scaled( camera.right, SPEED_MOVE ) ) );
 564 }
 565
 566 void Camera_RotateLeft_Discrete( camera_t& camera ){
 567         Vector3 angles( Camera_getAngles( camera ) );
 568         angles[CAMERA_YAW] += SPEED_TURN;
 569         Camera_setAngles( camera, angles );
 570 }
 571 void Camera_RotateRight_Discrete( camera_t& camera ){
 572         Vector3 angles( Camera_getAngles( camera ) );
 573         angles[CAMERA_YAW] -= SPEED_TURN;
 574         Camera_setAngles( camera, angles );
 575 }
 576
 577 void Camera_PitchUp_Discrete( camera_t& camera ){
 578         Vector3 angles( Camera_getAngles( camera ) );
 579         angles[CAMERA_PITCH] += SPEED_TURN;
 580         if ( angles[CAMERA_PITCH] > 90 ) {
 581                 angles[CAMERA_PITCH] = 90;
 582         }
 583         Camera_setAngles( camera, angles );
 584 }
 585 void Camera_PitchDown_Discrete( camera_t& camera ){
 586         Vector3 angles( Camera_getAngles( camera ) );
 587         angles[CAMERA_PITCH] -= SPEED_TURN;
 588         if ( angles[CAMERA_PITCH] < -90 ) {
 589                 angles[CAMERA_PITCH] = -90;
 590         }
 591         Camera_setAngles( camera, angles );
 592 }
 593
 594
 595 class RadiantCameraView : public CameraView
 596 {
 597 camera_t& m_camera;
 598 View* m_view;
 599 Callback<void()> m_update;
 600 public:
 601 RadiantCameraView( camera_t& camera, View* view, const Callback<void()>& update ) : m_camera( camera ), m_view( view ), m_update( update ){
 602 }
 603 void update(){
 604         m_view->Construct( m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height );
 605         m_update();
 606 }
 607 void setModelview( const Matrix4& modelview ){
 608         m_camera.modelview = modelview;
 609         matrix4_multiply_by_matrix4( m_camera.modelview, g_radiant2opengl );
 610         matrix4_affine_invert( m_camera.modelview );
 611         Camera_updateVectors( m_camera );
 612         update();
 613 }
 614 void setFieldOfView( float fieldOfView ){
 615         float farClip = Camera_getFarClipPlane( m_camera );
 616         m_camera.projection = projection_for_camera( farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height );
 617         update();
 618 }
 619 };
 620
 621
 622 void Camera_motionDelta( int x, int y, unsigned int state, void* data ){
 623         camera_t* cam = reinterpret_cast<camera_t*>( data );
 624
 625         cam->m_mouseMove.motion_delta( x, y, state );
 626
 627         cam->m_strafe_forward_invert = false;
 628
 629         switch ( g_camwindow_globals_private.m_nStrafeMode )
 630         {
 631         case 0:
 632                 cam->m_strafe = false;
 633                 break;
 634         case 1:
 635                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 636                 cam->m_strafe_forward = false;
 637                 break;
 638         case 2:
 639                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0 && ( state & GDK_SHIFT_MASK ) == 0;
 640                 cam->m_strafe_forward = cam->m_strafe;
 641                 break;
 642         case 4:
 643                 cam->m_strafe_forward_invert = true;
 644         default:
 645                 cam->m_strafe = ( state & GDK_CONTROL_MASK ) != 0;
 646                 if ( cam->m_strafe ) {
 647                         cam->m_strafe_forward = ( state & GDK_SHIFT_MASK ) != 0;
 648                 }
 649                 else{
 650                         cam->m_strafe_forward = false;
 651                 }
 652                 break;
 653         }
 654 }
 655
 656
 657
 658
 659
 660 class CamWnd
 661 {
 662 View m_view;
 663 camera_t m_Camera;
 664 RadiantCameraView m_cameraview;
 665 #if 0
 666 int m_PositionDragCursorX;
 667 int m_PositionDragCursorY;
 668 #endif
 669
 670 guint m_freemove_handle_focusout;
 671
 672 static Shader* m_state_select1;
 673 static Shader* m_state_select2;
 674
 675 FreezePointer m_freezePointer;
 676
 677 public:
 678 ui::GLArea m_gl_widget;
 679 ui::Window m_parent{ui::null};
 680
 681 SelectionSystemWindowObserver* m_window_observer;
 682 XORRectangle m_XORRectangle;
 683
 684 DeferredDraw m_deferredDraw;
 685 DeferredMotion m_deferred_motion;
 686
 687 guint m_selection_button_press_handler;
 688 guint m_selection_button_release_handler;
 689 guint m_selection_motion_handler;
 690
 691 guint m_freelook_button_press_handler;
 692
 693 guint m_sizeHandler;
 694 guint m_exposeHandler;
 695
 696 CamWnd();
 697 ~CamWnd();
 698
 699 bool m_drawing;
 700 void queue_draw(){
 701         //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
 702         if ( m_drawing ) {
 703                 return;
 704         }
 705         //globalOutputStream() << "queue... ";
 706         m_deferredDraw.draw();
 707 }
 708 void draw();
 709
 710 static void captureStates(){
 711         m_state_select1 = GlobalShaderCache().capture( "$CAM_HIGHLIGHT" );
 712         m_state_select2 = GlobalShaderCache().capture( "$CAM_OVERLAY" );
 713 }
 714 static void releaseStates(){
 715         GlobalShaderCache().release( "$CAM_HIGHLIGHT" );
 716         GlobalShaderCache().release( "$CAM_OVERLAY" );
 717 }
 718
 719 camera_t& getCamera(){
 720         return m_Camera;
 721 }
 722
 723 void BenchMark();
 724 void Cam_ChangeFloor( bool up );
 725
 726 void DisableFreeMove();
 727 void EnableFreeMove();
 728 bool m_bFreeMove;
 729
 730 CameraView& getCameraView(){
 731         return m_cameraview;
 732 }
 733
 734 private:
 735 void Cam_Draw();
 736 };
 737
 738 typedef MemberCaller<CamWnd, void(), &CamWnd::queue_draw> CamWndQueueDraw;
 739
 740 Shader* CamWnd::m_state_select1 = 0;
 741 Shader* CamWnd::m_state_select2 = 0;
 742
 743 CamWnd* NewCamWnd(){
 744         return new CamWnd;
 745 }
 746 void DeleteCamWnd( CamWnd* camwnd ){
 747         delete camwnd;
 748 }
 749
 750 void CamWnd_constructStatic(){
 751         CamWnd::captureStates();
 752 }
 753
 754 void CamWnd_destroyStatic(){
 755         CamWnd::releaseStates();
 756 }
 757
 758 static CamWnd* g_camwnd = 0;
 759
 760 void GlobalCamera_setCamWnd( CamWnd& camwnd ){
 761         g_camwnd = &camwnd;
 762 }
 763
 764
 765 ui::GLArea CamWnd_getWidget( CamWnd& camwnd ){
 766         return camwnd.m_gl_widget;
 767 }
 768
 769 ui::Window CamWnd_getParent( CamWnd& camwnd ){
 770         return camwnd.m_parent;
 771 }
 772
 773 ToggleShown g_camera_shown( true );
 774
 775 void CamWnd_setParent( CamWnd& camwnd, ui::Window parent ){
 776         camwnd.m_parent = parent;
 777         g_camera_shown.connect( camwnd.m_parent );
 778 }
 779
 780 void CamWnd_Update( CamWnd& camwnd ){
 781         camwnd.queue_draw();
 782 }
 783
 784
 785
 786 camwindow_globals_t g_camwindow_globals;
 787
 788 const Vector3& Camera_getOrigin( CamWnd& camwnd ){
 789         return Camera_getOrigin( camwnd.getCamera() );
 790 }
 791
 792 void Camera_setOrigin( CamWnd& camwnd, const Vector3& origin ){
 793         Camera_setOrigin( camwnd.getCamera(), origin );
 794 }
 795
 796 const Vector3& Camera_getAngles( CamWnd& camwnd ){
 797         return Camera_getAngles( camwnd.getCamera() );
 798 }
 799
 800 void Camera_setAngles( CamWnd& camwnd, const Vector3& angles ){
 801         Camera_setAngles( camwnd.getCamera(), angles );
 802 }
 803
 804
 805 // =============================================================================
 806 // CamWnd class
 807
 808 gboolean enable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 809         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 810                 camwnd->EnableFreeMove();
 811                 return TRUE;
 812         }
 813         return FALSE;
 814 }
 815
 816 gboolean disable_freelook_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 817         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 && modifiers_for_state( event->state ) == c_modifierNone ) {
 818                 camwnd->DisableFreeMove();
 819                 return TRUE;
 820         }
 821         return FALSE;
 822 }
 823
 824 #if 0
 825 gboolean mousecontrol_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
 826         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
 827                 Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
 828         }
 829         return FALSE;
 830 }
 831 #endif
 832
 833 void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
 834         if ( self.m_gl_widget.visible() ) {
 835                 self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ) );
 836         }
 837 }
 838
 839
 840 gboolean selection_button_press( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 841         if ( event->type == GDK_BUTTON_PRESS ) {
 842                 gtk_widget_grab_focus( widget );
 843                 observer->onMouseDown( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 844         }
 845         return FALSE;
 846 }
 847
 848 gboolean selection_button_release( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 849         if ( event->type == GDK_BUTTON_RELEASE ) {
 850                 observer->onMouseUp( WindowVector_forDouble( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 851         }
 852         return FALSE;
 853 }
 854
 855 void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 856         //globalOutputStream() << "motion... ";
 857         reinterpret_cast<WindowObserver*>( data )->onMouseMotion( WindowVector_forDouble( x, y ), modifiers_for_state( state ) );
 858 }
 859
 860 inline WindowVector windowvector_for_widget_centre( ui::Widget widget ){
 861         auto allocation = widget.dimensions();
 862         return WindowVector( static_cast<float>( allocation.width / 2 ), static_cast<float>(allocation.height / 2 ) );
 863 }
 864
 865 gboolean selection_button_press_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 866         if ( event->type == GDK_BUTTON_PRESS ) {
 867                 observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 868         }
 869         return FALSE;
 870 }
 871
 872 gboolean selection_button_release_freemove( ui::Widget widget, GdkEventButton* event, WindowObserver* observer ){
 873         if ( event->type == GDK_BUTTON_RELEASE ) {
 874                 observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button ), modifiers_for_state( event->state ) );
 875         }
 876         return FALSE;
 877 }
 878
 879 gboolean selection_motion_freemove( ui::Widget widget, GdkEventMotion *event, WindowObserver* observer ){
 880         observer->onMouseMotion( windowvector_for_widget_centre( widget ), modifiers_for_state( event->state ) );
 881         return FALSE;
 882 }
 883
 884 gboolean wheelmove_scroll( ui::Widget widget, GdkEventScroll* event, CamWnd* camwnd ){
 885         //gtk_window_set_focus( camwnd->m_parent, camwnd->m_gl_widget );
 886         gtk_widget_grab_focus( camwnd->m_gl_widget );
 887         if( !gtk_window_is_active( camwnd->m_parent ) )
 888                 gtk_window_present( camwnd->m_parent );
 889
 890         if ( event->direction == GDK_SCROLL_UP ) {
 891                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 892                 if( camwnd->m_bFreeMove || !g_camwindow_globals.m_bZoomInToPointer ){
 893                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 894                 }
 895                 else{
 896                         //Matrix4 maa = matrix4_multiplied_by_matrix4( camwnd->getCamera().projection, camwnd->getCamera().modelview );
 897                         Matrix4 maa = camwnd->getCamera().m_view->GetViewMatrix();
 898                         matrix4_affine_invert( maa );
 899
 900                         float x = static_cast<float>( event->x );
 901                         float y = static_cast<float>( event->y );
 902                         Vector3 normalized;
 903
 904                         normalized[0] = 2.0f * ( x ) / static_cast<float>( camwnd->getCamera().width ) - 1.0f;
 905                         normalized[1] = 2.0f * ( y )/ static_cast<float>( camwnd->getCamera().height ) - 1.0f;
 906                         normalized[1] *= -1.f;
 907                         normalized[2] = 0.f;
 908
 909                         normalized *= 16.0f;
 910                                 //globalOutputStream() << normalized << " normalized    ";
 911                         matrix4_transform_point( maa, normalized );
 912                                 //globalOutputStream() << normalized << "\n";
 913                         Vector3 norm = vector3_normalised( normalized - Camera_getOrigin( *camwnd ) );
 914                                 //globalOutputStream() << normalized - Camera_getOrigin( *camwnd ) << "  normalized - Camera_getOrigin( *camwnd )\n";
 915                                 //globalOutputStream() << norm << "  norm\n";
 916                         Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( norm, static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 917                 }
 918         }
 919         else if ( event->direction == GDK_SCROLL_DOWN ) {
 920                 Camera_Freemove_updateAxes( camwnd->getCamera() );
 921                 Camera_setOrigin( *camwnd, vector3_added( Camera_getOrigin( *camwnd ), vector3_scaled( camwnd->getCamera().forward, -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ) ) ) );
 922         }
 923
 924         return FALSE;
 925 }
 926
 927 gboolean camera_size_allocate( ui::Widget widget, GtkAllocation* allocation, CamWnd* camwnd ){
 928         camwnd->getCamera().width = allocation->width;
 929         camwnd->getCamera().height = allocation->height;
 930         Camera_updateProjection( camwnd->getCamera() );
 931         camwnd->m_window_observer->onSizeChanged( camwnd->getCamera().width, camwnd->getCamera().height );
 932         camwnd->queue_draw();
 933         return FALSE;
 934 }
 935
 936 gboolean camera_expose( ui::Widget widget, GdkEventExpose* event, gpointer data ){
 937         reinterpret_cast<CamWnd*>( data )->draw();
 938         return FALSE;
 939 }
 940
 941 void KeyEvent_connect( const char* name ){
 942         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 943         keydown_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyDown );
 944         keyup_accelerators_add( keyEvent.m_accelerator, keyEvent.m_keyUp );
 945 }
 946
 947 void KeyEvent_disconnect( const char* name ){
 948         const KeyEvent& keyEvent = GlobalKeyEvents_find( name );
 949         keydown_accelerators_remove( keyEvent.m_accelerator );
 950         keyup_accelerators_remove( keyEvent.m_accelerator );
 951 }
 952
 953 void CamWnd_registerCommands( CamWnd& camwnd ){
 954         GlobalKeyEvents_insert( "CameraForward", accelerator_null(),
 955                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyDown>( camwnd.getCamera() ),
 956                                                         ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyUp>( camwnd.getCamera() )
 957                                                         );
 958         GlobalKeyEvents_insert( "CameraBack", accelerator_null(),
 959                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyDown>( camwnd.getCamera() ),
 960                                                         ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyUp>( camwnd.getCamera() )
 961                                                         );
 962         GlobalKeyEvents_insert( "CameraLeft", accelerator_null(),
 963                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyDown>( camwnd.getCamera() ),
 964                                                         ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyUp>( camwnd.getCamera() )
 965                                                         );
 966         GlobalKeyEvents_insert( "CameraRight", accelerator_null(),
 967                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyDown>( camwnd.getCamera() ),
 968                                                         ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyUp>( camwnd.getCamera() )
 969                                                         );
 970         GlobalKeyEvents_insert( "CameraStrafeRight", accelerator_null(),
 971                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyDown>( camwnd.getCamera() ),
 972                                                         ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyUp>( camwnd.getCamera() )
 973                                                         );
 974         GlobalKeyEvents_insert( "CameraStrafeLeft", accelerator_null(),
 975                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyDown>( camwnd.getCamera() ),
 976                                                         ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyUp>( camwnd.getCamera() )
 977                                                         );
 978         GlobalKeyEvents_insert( "CameraUp", accelerator_null(),
 979                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyDown>( camwnd.getCamera() ),
 980                                                         ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyUp>( camwnd.getCamera() )
 981                                                         );
 982         GlobalKeyEvents_insert( "CameraDown", accelerator_null(),
 983                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyDown>( camwnd.getCamera() ),
 984                                                         ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyUp>( camwnd.getCamera() )
 985                                                         );
 986         GlobalKeyEvents_insert( "CameraAngleUp", accelerator_null(),
 987                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyDown>( camwnd.getCamera() ),
 988                                                         ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyUp>( camwnd.getCamera() )
 989                                                         );
 990         GlobalKeyEvents_insert( "CameraAngleDown", accelerator_null(),
 991                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyDown>( camwnd.getCamera() ),
 992                                                         ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyUp>( camwnd.getCamera() )
 993                                                         );
 994
 995
 996         GlobalKeyEvents_insert( "CameraFreeMoveForward", accelerator_null(),
 997                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
 998                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
 999                                                         );
1000         GlobalKeyEvents_insert( "CameraFreeMoveBack", accelerator_null(),
1001                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1002                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1003                                                         );
1004         GlobalKeyEvents_insert( "CameraFreeMoveLeft", accelerator_null(),
1005                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1006                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1007                                                         );
1008         GlobalKeyEvents_insert( "CameraFreeMoveRight", accelerator_null(),
1009                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1010                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1011                                                         );
1012
1013         GlobalKeyEvents_insert( "CameraFreeMoveForward2", accelerator_null(),
1014                                                         FreeMoveCameraMoveForwardKeyDownCaller( camwnd.getCamera() ),
1015                                                         FreeMoveCameraMoveForwardKeyUpCaller( camwnd.getCamera() )
1016                                                         );
1017         GlobalKeyEvents_insert( "CameraFreeMoveBack2", accelerator_null(),
1018                                                         FreeMoveCameraMoveBackKeyDownCaller( camwnd.getCamera() ),
1019                                                         FreeMoveCameraMoveBackKeyUpCaller( camwnd.getCamera() )
1020                                                         );
1021         GlobalKeyEvents_insert( "CameraFreeMoveLeft2", accelerator_null(),
1022                                                         FreeMoveCameraMoveLeftKeyDownCaller( camwnd.getCamera() ),
1023                                                         FreeMoveCameraMoveLeftKeyUpCaller( camwnd.getCamera() )
1024                                                         );
1025         GlobalKeyEvents_insert( "CameraFreeMoveRight2", accelerator_null(),
1026                                                         FreeMoveCameraMoveRightKeyDownCaller( camwnd.getCamera() ),
1027                                                         FreeMoveCameraMoveRightKeyUpCaller( camwnd.getCamera() )
1028                                                         );
1029
1030         GlobalKeyEvents_insert( "CameraFreeMoveUp", accelerator_null(),
1031                                                         FreeMoveCameraMoveUpKeyDownCaller( camwnd.getCamera() ),
1032                                                         FreeMoveCameraMoveUpKeyUpCaller( camwnd.getCamera() )
1033                                                         );
1034         GlobalKeyEvents_insert( "CameraFreeMoveDown", accelerator_null(),
1035                                                         FreeMoveCameraMoveDownKeyDownCaller( camwnd.getCamera() ),
1036                                                         FreeMoveCameraMoveDownKeyUpCaller( camwnd.getCamera() )
1037                                                         );
1038
1039         GlobalCommands_insert( "CameraForward", ReferenceCaller<camera_t, void(), Camera_MoveForward_Discrete>( camwnd.getCamera() ) );
1040         GlobalCommands_insert( "CameraBack", ReferenceCaller<camera_t, void(), Camera_MoveBack_Discrete>( camwnd.getCamera() ) );
1041         GlobalCommands_insert( "CameraLeft", ReferenceCaller<camera_t, void(), Camera_RotateLeft_Discrete>( camwnd.getCamera() ) );
1042         GlobalCommands_insert( "CameraRight", ReferenceCaller<camera_t, void(), Camera_RotateRight_Discrete>( camwnd.getCamera() ) );
1043         GlobalCommands_insert( "CameraStrafeRight", ReferenceCaller<camera_t, void(), Camera_MoveRight_Discrete>( camwnd.getCamera() ) );
1044         GlobalCommands_insert( "CameraStrafeLeft", ReferenceCaller<camera_t, void(), Camera_MoveLeft_Discrete>( camwnd.getCamera() ) );
1045
1046         GlobalCommands_insert( "CameraUp", ReferenceCaller<camera_t, void(), Camera_MoveUp_Discrete>( camwnd.getCamera() ) );
1047         GlobalCommands_insert( "CameraDown", ReferenceCaller<camera_t, void(), Camera_MoveDown_Discrete>( camwnd.getCamera() ) );
1048         GlobalCommands_insert( "CameraAngleUp", ReferenceCaller<camera_t, void(), Camera_PitchUp_Discrete>( camwnd.getCamera() ) );
1049         GlobalCommands_insert( "CameraAngleDown", ReferenceCaller<camera_t, void(), Camera_PitchDown_Discrete>( camwnd.getCamera() ) );
1050 }
1051
1052 void CamWnd_Move_Enable( CamWnd& camwnd ){
1053         KeyEvent_connect( "CameraForward" );
1054         KeyEvent_connect( "CameraBack" );
1055         KeyEvent_connect( "CameraLeft" );
1056         KeyEvent_connect( "CameraRight" );
1057         KeyEvent_connect( "CameraStrafeRight" );
1058         KeyEvent_connect( "CameraStrafeLeft" );
1059         KeyEvent_connect( "CameraUp" );
1060         KeyEvent_connect( "CameraDown" );
1061         KeyEvent_connect( "CameraAngleUp" );
1062         KeyEvent_connect( "CameraAngleDown" );
1063 }
1064
1065 void CamWnd_Move_Disable( CamWnd& camwnd ){
1066         KeyEvent_disconnect( "CameraForward" );
1067         KeyEvent_disconnect( "CameraBack" );
1068         KeyEvent_disconnect( "CameraLeft" );
1069         KeyEvent_disconnect( "CameraRight" );
1070         KeyEvent_disconnect( "CameraStrafeRight" );
1071         KeyEvent_disconnect( "CameraStrafeLeft" );
1072         KeyEvent_disconnect( "CameraUp" );
1073         KeyEvent_disconnect( "CameraDown" );
1074         KeyEvent_disconnect( "CameraAngleUp" );
1075         KeyEvent_disconnect( "CameraAngleDown" );
1076 }
1077
1078 void CamWnd_Move_Discrete_Enable( CamWnd& camwnd ){
1079         command_connect_accelerator( "CameraForward" );
1080         command_connect_accelerator( "CameraBack" );
1081         command_connect_accelerator( "CameraLeft" );
1082         command_connect_accelerator( "CameraRight" );
1083         command_connect_accelerator( "CameraStrafeRight" );
1084         command_connect_accelerator( "CameraStrafeLeft" );
1085         command_connect_accelerator( "CameraUp" );
1086         command_connect_accelerator( "CameraDown" );
1087         command_connect_accelerator( "CameraAngleUp" );
1088         command_connect_accelerator( "CameraAngleDown" );
1089 }
1090
1091 void CamWnd_Move_Discrete_Disable( CamWnd& camwnd ){
1092         command_disconnect_accelerator( "CameraForward" );
1093         command_disconnect_accelerator( "CameraBack" );
1094         command_disconnect_accelerator( "CameraLeft" );
1095         command_disconnect_accelerator( "CameraRight" );
1096         command_disconnect_accelerator( "CameraStrafeRight" );
1097         command_disconnect_accelerator( "CameraStrafeLeft" );
1098         command_disconnect_accelerator( "CameraUp" );
1099         command_disconnect_accelerator( "CameraDown" );
1100         command_disconnect_accelerator( "CameraAngleUp" );
1101         command_disconnect_accelerator( "CameraAngleDown" );
1102 }
1103
1104 struct CamWnd_Move_Discrete {
1105         static void Export(const Callback<void(bool)> &returnz) {
1106                 returnz(g_camwindow_globals_private.m_bCamDiscrete);
1107         }
1108
1109         static void Import(bool value) {
1110                 if (g_camwnd) {
1111                         Import_(*g_camwnd, value);
1112                 } else {
1113                         g_camwindow_globals_private.m_bCamDiscrete = value;
1114                 }
1115         }
1116
1117         static void Import_(CamWnd &camwnd, bool value) {
1118         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1119                 CamWnd_Move_Discrete_Disable( camwnd );
1120                 } else {
1121                 CamWnd_Move_Disable( camwnd );
1122         }
1123
1124         g_camwindow_globals_private.m_bCamDiscrete = value;
1125
1126         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1127                 CamWnd_Move_Discrete_Enable( camwnd );
1128                 } else {
1129                 CamWnd_Move_Enable( camwnd );
1130         }
1131 }
1132 };
1133
1134
1135 void CamWnd_Add_Handlers_Move( CamWnd& camwnd ){
1136         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press ), camwnd.m_window_observer );
1137         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release ), camwnd.m_window_observer );
1138         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &camwnd.m_deferred_motion );
1139
1140         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( enable_freelook_button_press ), &camwnd );
1141
1142         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1143                 CamWnd_Move_Discrete_Enable( camwnd );
1144         }
1145         else
1146         {
1147                 CamWnd_Move_Enable( camwnd );
1148         }
1149 }
1150
1151 void CamWnd_Remove_Handlers_Move( CamWnd& camwnd ){
1152         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1153         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1154         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1155
1156         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1157
1158         if ( g_camwindow_globals_private.m_bCamDiscrete ) {
1159                 CamWnd_Move_Discrete_Disable( camwnd );
1160         }
1161         else
1162         {
1163                 CamWnd_Move_Disable( camwnd );
1164         }
1165 }
1166
1167 void CamWnd_Add_Handlers_FreeMove( CamWnd& camwnd ){
1168         camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( selection_button_press_freemove ), camwnd.m_window_observer );
1169         camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect( "button_release_event", G_CALLBACK( selection_button_release_freemove ), camwnd.m_window_observer );
1170         camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( selection_motion_freemove ), camwnd.m_window_observer );
1171
1172         camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect( "button_press_event", G_CALLBACK( disable_freelook_button_press ), &camwnd );
1173
1174         KeyEvent_connect( "CameraFreeMoveForward" );
1175         KeyEvent_connect( "CameraFreeMoveBack" );
1176         KeyEvent_connect( "CameraFreeMoveLeft" );
1177         KeyEvent_connect( "CameraFreeMoveRight" );
1178
1179         KeyEvent_connect( "CameraFreeMoveForward2" );
1180         KeyEvent_connect( "CameraFreeMoveBack2" );
1181         KeyEvent_connect( "CameraFreeMoveLeft2" );
1182         KeyEvent_connect( "CameraFreeMoveRight2" );
1183
1184         KeyEvent_connect( "CameraFreeMoveUp" );
1185         KeyEvent_connect( "CameraFreeMoveDown" );
1186 }
1187
1188 void CamWnd_Remove_Handlers_FreeMove( CamWnd& camwnd ){
1189         KeyEvent_disconnect( "CameraFreeMoveForward" );
1190         KeyEvent_disconnect( "CameraFreeMoveBack" );
1191         KeyEvent_disconnect( "CameraFreeMoveLeft" );
1192         KeyEvent_disconnect( "CameraFreeMoveRight" );
1193
1194         KeyEvent_disconnect( "CameraFreeMoveForward2" );
1195         KeyEvent_disconnect( "CameraFreeMoveBack2" );
1196         KeyEvent_disconnect( "CameraFreeMoveLeft2" );
1197         KeyEvent_disconnect( "CameraFreeMoveRight2" );
1198
1199         KeyEvent_disconnect( "CameraFreeMoveUp" );
1200         KeyEvent_disconnect( "CameraFreeMoveDown" );
1201
1202         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_press_handler );
1203         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_button_release_handler );
1204         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_selection_motion_handler );
1205
1206         g_signal_handler_disconnect( G_OBJECT( camwnd.m_gl_widget ), camwnd.m_freelook_button_press_handler );
1207 }
1208
1209 CamWnd::CamWnd() :
1210         m_view( true ),
1211         m_Camera( &m_view, CamWndQueueDraw( *this ) ),
1212         m_cameraview( m_Camera, &m_view, ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) ),
1213         m_gl_widget( glwidget_new( TRUE ) ),
1214         m_window_observer( NewWindowObserver() ),
1215         m_XORRectangle( m_gl_widget ),
1216         m_deferredDraw( WidgetQueueDrawCaller( m_gl_widget ) ),
1217         m_deferred_motion( selection_motion, m_window_observer ),
1218         m_selection_button_press_handler( 0 ),
1219         m_selection_button_release_handler( 0 ),
1220         m_selection_motion_handler( 0 ),
1221         m_freelook_button_press_handler( 0 ),
1222         m_drawing( false ){
1223         m_bFreeMove = false;
1224
1225         GlobalWindowObservers_add( m_window_observer );
1226         GlobalWindowObservers_connectWidget( m_gl_widget );
1227
1228         m_window_observer->setRectangleDrawCallback( ReferenceCaller<CamWnd, void(rect_t), camwnd_update_xor_rectangle>( *this ) );
1229         m_window_observer->setView( m_view );
1230
1231         g_object_ref( m_gl_widget._handle );
1232
1233         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 );
1234         gtk_widget_set_can_focus( m_gl_widget, true );
1235
1236         m_sizeHandler = m_gl_widget.connect( "size_allocate", G_CALLBACK( camera_size_allocate ), this );
1237         m_exposeHandler = m_gl_widget.on_render( G_CALLBACK( camera_expose ), this );
1238
1239         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
1240
1241         CamWnd_registerCommands( *this );
1242
1243         CamWnd_Add_Handlers_Move( *this );
1244
1245         m_gl_widget.connect( "scroll_event", G_CALLBACK( wheelmove_scroll ), this );
1246
1247         AddSceneChangeCallback( ReferenceCaller<CamWnd, void(), CamWnd_Update>( *this ) );
1248
1249         PressedButtons_connect( g_pressedButtons, m_gl_widget );
1250 }
1251
1252 CamWnd::~CamWnd(){
1253         if ( m_bFreeMove ) {
1254                 DisableFreeMove();
1255         }
1256
1257         CamWnd_Remove_Handlers_Move( *this );
1258
1259         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
1260         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
1261
1262         m_gl_widget.unref();
1263
1264         m_window_observer->release();
1265 }
1266
1267 class FloorHeightWalker : public scene::Graph::Walker
1268 {
1269 float m_current;
1270 float& m_bestUp;
1271 float& m_bestDown;
1272 public:
1273 FloorHeightWalker( float current, float& bestUp, float& bestDown ) :
1274         m_current( current ), m_bestUp( bestUp ), m_bestDown( bestDown ){
1275         bestUp = g_MaxWorldCoord;
1276         bestDown = -g_MaxWorldCoord;
1277 }
1278 bool pre( const scene::Path& path, scene::Instance& instance ) const {
1279         if ( path.top().get().visible()
1280                  && Node_isBrush( path.top() ) ) { // this node is a floor
1281                 const AABB& aabb = instance.worldAABB();
1282                 float floorHeight = aabb.origin.z() + aabb.extents.z();
1283                 if ( floorHeight > m_current && floorHeight < m_bestUp ) {
1284                         m_bestUp = floorHeight;
1285                 }
1286                 if ( floorHeight < m_current && floorHeight > m_bestDown ) {
1287                         m_bestDown = floorHeight;
1288                 }
1289         }
1290         else if( !path.top().get().visible() ){
1291                 return false;
1292         }
1293         return true;
1294 }
1295 };
1296
1297 void CamWnd::Cam_ChangeFloor( bool up ){
1298         float current = m_Camera.origin[2] - 48;
1299         float bestUp;
1300         float bestDown;
1301         GlobalSceneGraph().traverse( FloorHeightWalker( current, bestUp, bestDown ) );
1302
1303         if ( up && bestUp != g_MaxWorldCoord ) {
1304                 current = bestUp;
1305         }
1306         if ( !up && bestDown != -g_MaxWorldCoord ) {
1307                 current = bestDown;
1308         }
1309
1310         m_Camera.origin[2] = current + 48;
1311         Camera_updateModelview( getCamera() );
1312         CamWnd_Update( *this );
1313         CameraMovedNotify();
1314 }
1315
1316
1317 #if 0
1318
1319 // button_press
1320 Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
1321
1322 // motion
1323 if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
1324          || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
1325         Cam_PositionDrag();
1326         CamWnd_Update( camwnd );
1327         CameraMovedNotify();
1328         return;
1329 }
1330
1331 void CamWnd::Cam_PositionDrag(){
1332         int x, y;
1333
1334         Sys_GetCursorPos( m_gl_widget, &x, &y );
1335         if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
1336                 x -= m_PositionDragCursorX;
1337                 vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
1338                 y -= m_PositionDragCursorY;
1339                 m_Camera.origin[2] -= y;
1340                 Camera_updateModelview();
1341                 CamWnd_Update( camwnd );
1342                 CameraMovedNotify();
1343
1344                 Sys_SetCursorPos( m_parent, m_PositionDragCursorX, m_PositionDragCursorY );
1345         }
1346 }
1347 #endif
1348
1349
1350 // NOTE TTimo if there's an OS-level focus out of the application
1351 //   then we can release the camera cursor grab
1352 static gboolean camwindow_freemove_focusout( ui::Widget widget, GdkEventFocus* event, gpointer data ){
1353         reinterpret_cast<CamWnd*>( data )->DisableFreeMove();
1354         return FALSE;
1355 }
1356
1357 void CamWnd::EnableFreeMove(){
1358         //globalOutputStream() << "EnableFreeMove\n";
1359
1360         ASSERT_MESSAGE( !m_bFreeMove, "EnableFreeMove: free-move was already enabled" );
1361         m_bFreeMove = true;
1362         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1363
1364         CamWnd_Remove_Handlers_Move( *this );
1365         CamWnd_Add_Handlers_FreeMove( *this );
1366
1367         gtk_window_set_focus( m_parent, m_gl_widget );
1368         m_freemove_handle_focusout = m_gl_widget.connect( "focus_out_event", G_CALLBACK( camwindow_freemove_focusout ), this );
1369         m_freezePointer.freeze_pointer( m_parent, m_gl_widget, Camera_motionDelta, &m_Camera );
1370
1371         CamWnd_Update( *this );
1372 }
1373
1374 void CamWnd::DisableFreeMove(){
1375         //globalOutputStream() << "DisableFreeMove\n";
1376
1377         ASSERT_MESSAGE( m_bFreeMove, "DisableFreeMove: free-move was not enabled" );
1378         m_bFreeMove = false;
1379         Camera_clearMovementFlags( getCamera(), MOVE_ALL );
1380
1381         CamWnd_Remove_Handlers_FreeMove( *this );
1382         CamWnd_Add_Handlers_Move( *this );
1383
1384         m_freezePointer.unfreeze_pointer( m_parent, true );
1385         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_freemove_handle_focusout );
1386
1387         CamWnd_Update( *this );
1388 }
1389
1390
1391 #include "renderer.h"
1392
1393 class CamRenderer : public Renderer
1394 {
1395 struct state_type
1396 {
1397         state_type() : m_highlight( 0 ), m_state( 0 ), m_lights( 0 ){
1398         }
1399         unsigned int m_highlight;
1400         Shader* m_state;
1401         const LightList* m_lights;
1402 };
1403
1404 std::vector<state_type> m_state_stack;
1405 RenderStateFlags m_globalstate;
1406 Shader* m_state_select0;
1407 Shader* m_state_select1;
1408 const Vector3& m_viewer;
1409
1410 public:
1411 CamRenderer( RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer ) :
1412         m_globalstate( globalstate ),
1413         m_state_select0( select0 ),
1414         m_state_select1( select1 ),
1415         m_viewer( viewer ){
1416         ASSERT_NOTNULL( select0 );
1417         ASSERT_NOTNULL( select1 );
1418         m_state_stack.push_back( state_type() );
1419 }
1420
1421 void SetState( Shader* state, EStyle style ){
1422         ASSERT_NOTNULL( state );
1423         if ( style == eFullMaterials ) {
1424                 m_state_stack.back().m_state = state;
1425         }
1426 }
1427 EStyle getStyle() const {
1428         return eFullMaterials;
1429 }
1430 void PushState(){
1431         m_state_stack.push_back( m_state_stack.back() );
1432 }
1433 void PopState(){
1434         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
1435         m_state_stack.pop_back();
1436 }
1437 void Highlight( EHighlightMode mode, bool bEnable = true ){
1438         ( bEnable )
1439         ? m_state_stack.back().m_highlight |= mode
1440                                                                                   : m_state_stack.back().m_highlight &= ~mode;
1441 }
1442 void setLights( const LightList& lights ){
1443         m_state_stack.back().m_lights = &lights;
1444 }
1445 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& world ){
1446         if ( m_state_stack.back().m_highlight & ePrimitive ) {
1447                 m_state_select0->addRenderable( renderable, world, m_state_stack.back().m_lights );
1448         }
1449         if ( m_state_stack.back().m_highlight & eFace ) {
1450                 m_state_select1->addRenderable( renderable, world, m_state_stack.back().m_lights );
1451         }
1452
1453         m_state_stack.back().m_state->addRenderable( renderable, world, m_state_stack.back().m_lights );
1454 }
1455
1456 void render( const Matrix4& modelview, const Matrix4& projection ){
1457         GlobalShaderCache().render( m_globalstate, modelview, projection, m_viewer );
1458 }
1459 };
1460
1461 /*
1462    ==============
1463    Cam_Draw
1464    ==============
1465  */
1466 /*
1467 void ShowStatsToggle(){
1468         g_camwindow_globals_private.m_showStats ^= 1;
1469 }
1470
1471 void ShowStatsExport( const Callback<void(bool)> &importer ){
1472         importer( g_camwindow_globals_private.m_showStats );
1473 }
1474
1475 FreeCaller<void(const Callback<void(bool)>&), ShowStatsExport> g_show_stats_caller;
1476 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1477 ToggleItem g_show_stats( g_show_stats_callback );
1478 */
1479
1480 void ShowStatsToggle(){
1481         g_camwindow_globals_private.m_showStats ^= 1;
1482 //      g_show_stats.update();
1483         UpdateAllWindows();
1484 }
1485 typedef FreeCaller<void(), ShowStatsToggle> ShowStatsToggleCaller;
1486 void ShowStatsExport( const Callback<void(bool)> & importer ){
1487         importer( g_camwindow_globals_private.m_showStats );
1488 }
1489 typedef FreeCaller<void(const Callback<void(bool)> &), ShowStatsExport> ShowStatsExportCaller;
1490
1491 ShowStatsExportCaller g_show_stats_caller;
1492 Callback<void(const Callback<void(bool)> &)> g_show_stats_callback( g_show_stats_caller );
1493 ToggleItem g_show_stats( g_show_stats_callback );
1494
1495 void CamWnd::Cam_Draw(){
1496         glViewport( 0, 0, m_Camera.width, m_Camera.height );
1497 #if 0
1498         GLint viewprt[4];
1499         glGetIntegerv( GL_VIEWPORT, viewprt );
1500 #endif
1501
1502         // enable depth buffer writes
1503         glDepthMask( GL_TRUE );
1504         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1505
1506         Vector3 clearColour( 0, 0, 0 );
1507         if ( m_Camera.draw_mode != cd_lighting ) {
1508                 clearColour = g_camwindow_globals.color_cameraback;
1509         }
1510
1511         glClearColor( clearColour[0], clearColour[1], clearColour[2], 0 );
1512         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1513
1514         extern void Renderer_ResetStats();
1515         Renderer_ResetStats();
1516         extern void Cull_ResetStats();
1517         Cull_ResetStats();
1518
1519         glMatrixMode( GL_PROJECTION );
1520         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.projection ) );
1521
1522         glMatrixMode( GL_MODELVIEW );
1523         glLoadMatrixf( reinterpret_cast<const float*>( &m_Camera.modelview ) );
1524
1525
1526         // one directional light source directly behind the viewer
1527         {
1528                 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
1529
1530                 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1531                 ambient[3] = 1.0f;
1532                 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1533                 diffuse[3] = 1.0f;
1534                 //material[0] = material[1] = material[2] = 0.8f;
1535                 //material[3] = 1.0f;
1536
1537                 inverse_cam_dir[0] = m_Camera.vpn[0];
1538                 inverse_cam_dir[1] = m_Camera.vpn[1];
1539                 inverse_cam_dir[2] = m_Camera.vpn[2];
1540                 inverse_cam_dir[3] = 0;
1541
1542                 glLightfv( GL_LIGHT0, GL_POSITION, inverse_cam_dir );
1543
1544                 glLightfv( GL_LIGHT0, GL_AMBIENT, ambient );
1545                 glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse );
1546
1547                 glEnable( GL_LIGHT0 );
1548         }
1549
1550
1551         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;
1552         switch ( m_Camera.draw_mode )
1553         {
1554         case cd_wire:
1555                 break;
1556         case cd_solid:
1557                 globalstate |= RENDER_FILL
1558                                            | RENDER_LIGHTING
1559                                            | RENDER_SMOOTH
1560                                            | RENDER_SCALED;
1561                 break;
1562         case cd_texture:
1563                 globalstate |= RENDER_FILL
1564                                            | RENDER_LIGHTING
1565                                            | RENDER_TEXTURE
1566                                            | RENDER_SMOOTH
1567                                            | RENDER_SCALED;
1568                 break;
1569         case cd_lighting:
1570                 globalstate |= RENDER_FILL
1571                                            | RENDER_LIGHTING
1572                                            | RENDER_TEXTURE
1573                                            | RENDER_SMOOTH
1574                                            | RENDER_SCALED
1575                                            | RENDER_BUMP
1576                                            | RENDER_PROGRAM
1577                                            | RENDER_SCREEN;
1578                 break;
1579         default:
1580                 globalstate = 0;
1581                 break;
1582         }
1583
1584 //      if ( !g_xywindow_globals.m_bNoStipple ) {
1585                 globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
1586 //      }
1587
1588         {
1589                 CamRenderer renderer( globalstate, m_state_select2, m_state_select1, m_view.getViewer() );
1590
1591                 Scene_Render( renderer, m_view );
1592
1593                 renderer.render( m_Camera.modelview, m_Camera.projection );
1594         }
1595
1596         // prepare for 2d stuff
1597         glColor4f( 1, 1, 1, 1 );
1598         glDisable( GL_BLEND );
1599         glMatrixMode( GL_PROJECTION );
1600         glLoadIdentity();
1601         glOrtho( 0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100 );
1602         glScalef( 1, -1, 1 );
1603         glTranslatef( 0, -(float)m_Camera.height, 0 );
1604         glMatrixMode( GL_MODELVIEW );
1605         glLoadIdentity();
1606
1607         if ( GlobalOpenGL().GL_1_3() ) {
1608                 glClientActiveTexture( GL_TEXTURE0 );
1609                 glActiveTexture( GL_TEXTURE0 );
1610         }
1611
1612         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
1613         glDisableClientState( GL_NORMAL_ARRAY );
1614         glDisableClientState( GL_COLOR_ARRAY );
1615
1616         glDisable( GL_TEXTURE_2D );
1617         glDisable( GL_LIGHTING );
1618         glDisable( GL_COLOR_MATERIAL );
1619         glDisable( GL_DEPTH_TEST );
1620         glColor3f( 1.f, 1.f, 1.f );
1621         glLineWidth( 1 );
1622
1623         // draw the crosshair
1624         if ( m_bFreeMove ) {
1625                 glBegin( GL_LINES );
1626                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1627                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1628                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1629                 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1630                 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1631                 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1632                 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1633                 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1634                 glEnd();
1635         }
1636
1637         if ( g_camwindow_globals_private.m_showStats ) {
1638                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f );
1639                 extern const char* Renderer_GetStats();
1640                 GlobalOpenGL().drawString( Renderer_GetStats() );
1641
1642                 glRasterPos3f( 1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() - GlobalOpenGL().m_font->getPixelHeight(), 0.0f );
1643                 extern const char* Cull_GetStats();
1644                 GlobalOpenGL().drawString( Cull_GetStats() );
1645         }
1646
1647         // bind back to the default texture so that we don't have problems
1648         // elsewhere using/modifying texture maps between contexts
1649         glBindTexture( GL_TEXTURE_2D, 0 );
1650 }
1651
1652 void CamWnd::draw(){
1653         m_drawing = true;
1654
1655         //globalOutputStream() << "draw...\n";
1656         if ( glwidget_make_current( m_gl_widget ) != FALSE ) {
1657                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
1658                         GlobalOpenGL_debugAssertNoErrors();
1659                         Cam_Draw();
1660                         GlobalOpenGL_debugAssertNoErrors();
1661                         //qglFinish();
1662
1663                         m_XORRectangle.set( rectangle_t() );
1664                 }
1665
1666                 glwidget_swap_buffers( m_gl_widget );
1667         }
1668
1669         m_drawing = false;
1670 }
1671
1672 void CamWnd::BenchMark(){
1673         double dStart = Sys_DoubleTime();
1674         for ( int i = 0 ; i < 100 ; i++ )
1675         {
1676                 Vector3 angles;
1677                 angles[CAMERA_ROLL] = 0;
1678                 angles[CAMERA_PITCH] = 0;
1679                 angles[CAMERA_YAW] = static_cast<float>( i * ( 360.0 / 100.0 ) );
1680                 Camera_setAngles( *this, angles );
1681         }
1682         double dEnd = Sys_DoubleTime();
1683         globalOutputStream() << FloatFormat( dEnd - dStart, 5, 2 ) << " seconds\n";
1684 }
1685
1686
1687 void GlobalCamera_ResetAngles(){
1688         CamWnd& camwnd = *g_camwnd;
1689         Vector3 angles;
1690         angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1691         angles[CAMERA_YAW] = static_cast<float>( 22.5 * floor( ( Camera_getAngles( camwnd )[CAMERA_YAW] + 11 ) / 22.5 ) );
1692         Camera_setAngles( camwnd, angles );
1693 }
1694
1695 #include "select.h"
1696
1697 void GlobalCamera_FocusOnSelected(){
1698         CamWnd& camwnd = *g_camwnd;
1699 /*
1700         Vector3 angles( Camera_getAngles( camwnd ) );
1701         Vector3 radangles( degrees_to_radians( angles[0] ), degrees_to_radians( angles[1] ), degrees_to_radians( angles[2] ) );
1702         Vector3 viewvector;
1703         viewvector[0] = cos( radangles[1] ) * cos( radangles[0] );
1704         viewvector[1] = sin( radangles[1] ) * cos( radangles[0] );
1705         viewvector[2] = sin( radangles[0] );
1706 */
1707         Vector3 camorigin( Camera_getOrigin( camwnd ) );
1708
1709         AABB aabb( aabb_for_minmax( Select_getWorkZone().d_work_min, Select_getWorkZone().d_work_max ) );
1710
1711         View& view = *( camwnd.getCamera().m_view );
1712
1713         Vector3 viewvector( -view.GetModelview()[2], -view.GetModelview()[6], -view.GetModelview()[10] );
1714
1715         Plane3 frustumPlanes[4];
1716         frustumPlanes[0] = plane3_translated( view.getFrustum().left, camorigin - aabb.origin );
1717         frustumPlanes[1] = plane3_translated( view.getFrustum().right, camorigin - aabb.origin );
1718         frustumPlanes[2] = plane3_translated( view.getFrustum().top, camorigin - aabb.origin );
1719         frustumPlanes[3] = plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin );
1720
1721         float offset = 64.0f;
1722
1723         Vector3 corners[8];
1724         aabb_corners( aabb, corners );
1725
1726         for ( size_t i = 0; i < 4; ++i ){
1727                 for ( size_t j = 0; j < 8; ++j ){
1728                         Ray ray( aabb.origin, -viewvector );
1729                         //Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] - frustumPlanes[i].normal() * 16.0f ) );
1730                         Plane3 newplane( frustumPlanes[i].normal(), vector3_dot( frustumPlanes[i].normal(), corners[j] ) );
1731                         float d = vector3_dot( ray.direction, newplane.normal() );
1732                         if( d != 0 ){
1733                                 float s = vector3_dot( newplane.normal() * newplane.dist() - ray.origin, newplane.normal() ) / d;
1734                                 offset = std::max( offset, s );
1735                         }
1736                 }
1737         }
1738 /*
1739         globalOutputStream() << viewvector << "\n";
1740         globalOutputStream() << view.GetModelview()[0] << " " << view.GetModelview()[1] << " " << view.GetModelview()[2] << " " << view.GetModelview()[3] << "\n"
1741          << view.GetModelview()[4] << " " << view.GetModelview()[5] << " " << view.GetModelview()[6] << " " << view.GetModelview()[7] << "\n"
1742           << view.GetModelview()[8] << " " << view.GetModelview()[9] << " " << view.GetModelview()[10] << " " << view.GetModelview()[11] << "\n"
1743            << view.GetModelview()[12] << " " << view.GetModelview()[13] << " " << view.GetModelview()[14] << " " << view.GetModelview()[15] << "\n";
1744 */
1745         Camera_setOrigin( camwnd, aabb.origin - viewvector * offset );
1746 }
1747
1748 void Camera_ChangeFloorUp(){
1749         CamWnd& camwnd = *g_camwnd;
1750         camwnd.Cam_ChangeFloor( true );
1751 }
1752
1753 void Camera_ChangeFloorDown(){
1754         CamWnd& camwnd = *g_camwnd;
1755         camwnd.Cam_ChangeFloor( false );
1756 }
1757
1758 void Camera_CubeIn(){
1759         CamWnd& camwnd = *g_camwnd;
1760         g_camwindow_globals.m_nCubicScale--;
1761         if ( g_camwindow_globals.m_nCubicScale < 1 ) {
1762                 g_camwindow_globals.m_nCubicScale = 1;
1763         }
1764         Camera_updateProjection( camwnd.getCamera() );
1765         CamWnd_Update( camwnd );
1766         g_pParentWnd->SetGridStatus();
1767 }
1768
1769 void Camera_CubeOut(){
1770         CamWnd& camwnd = *g_camwnd;
1771         g_camwindow_globals.m_nCubicScale++;
1772         if ( g_camwindow_globals.m_nCubicScale > 23 ) {
1773                 g_camwindow_globals.m_nCubicScale = 23;
1774         }
1775         Camera_updateProjection( camwnd.getCamera() );
1776         CamWnd_Update( camwnd );
1777         g_pParentWnd->SetGridStatus();
1778 }
1779
1780 bool Camera_GetFarClip(){
1781         return g_camwindow_globals_private.m_bCubicClipping;
1782 }
1783
1784 ConstReferenceCaller<bool, void(const Callback<void(bool)> &), PropertyImpl<bool>::Export> g_getfarclip_caller( g_camwindow_globals_private.m_bCubicClipping );
1785 ToggleItem g_getfarclip_item( g_getfarclip_caller );
1786
1787 void Camera_SetFarClip( bool value ){
1788         CamWnd& camwnd = *g_camwnd;
1789         g_camwindow_globals_private.m_bCubicClipping = value;
1790         g_getfarclip_item.update();
1791         Camera_updateProjection( camwnd.getCamera() );
1792         CamWnd_Update( camwnd );
1793 }
1794
1795 struct Camera_FarClip {
1796         static void Export(const Callback<void(bool)> &returnz) {
1797                 returnz(g_camwindow_globals_private.m_bCubicClipping);
1798         }
1799
1800         static void Import(bool value) {
1801                 Camera_SetFarClip(value);
1802         }
1803 };
1804
1805 void Camera_ToggleFarClip(){
1806         Camera_SetFarClip( !Camera_GetFarClip() );
1807 }
1808
1809
1810 void CamWnd_constructToolbar( ui::Toolbar toolbar ){
1811         toolbar_append_toggle_button( toolbar, "Cubic clip the camera view (Ctrl + \\)", "view_cubicclipping.png", "ToggleCubicClip" );
1812 }
1813
1814 void CamWnd_registerShortcuts(){
1815         toggle_add_accelerator( "ToggleCubicClip" );
1816
1817         if ( g_pGameDescription->mGameType == "doom3" ) {
1818                 command_connect_accelerator( "TogglePreview" );
1819         }
1820
1821         command_connect_accelerator( "CameraSpeedInc" );
1822         command_connect_accelerator( "CameraSpeedDec" );
1823 }
1824
1825
1826 void GlobalCamera_Benchmark(){
1827         CamWnd& camwnd = *g_camwnd;
1828         camwnd.BenchMark();
1829 }
1830
1831 void GlobalCamera_Update(){
1832         CamWnd& camwnd = *g_camwnd;
1833         CamWnd_Update( camwnd );
1834 }
1835
1836 camera_draw_mode CamWnd_GetMode(){
1837         return camera_t::draw_mode;
1838 }
1839 void CamWnd_SetMode( camera_draw_mode mode ){
1840         ShaderCache_setBumpEnabled( mode == cd_lighting );
1841         camera_t::draw_mode = mode;
1842         if ( g_camwnd != 0 ) {
1843                 CamWnd_Update( *g_camwnd );
1844         }
1845 }
1846
1847 void CamWnd_TogglePreview( void ){
1848         // gametype must be doom3 for this function to work
1849         // if the gametype is not doom3 something is wrong with the
1850         // global command list or somebody else calls this function.
1851         ASSERT_MESSAGE( g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible" );
1852
1853         // switch between textured and lighting mode
1854         CamWnd_SetMode( ( CamWnd_GetMode() == cd_lighting ) ? cd_texture : cd_lighting );
1855 }
1856
1857
1858 CameraModel* g_camera_model = 0;
1859
1860 void CamWnd_LookThroughCamera( CamWnd& camwnd ){
1861         if ( g_camera_model != 0 ) {
1862                 CamWnd_Add_Handlers_Move( camwnd );
1863                 g_camera_model->setCameraView( 0, Callback<void()>() );
1864                 g_camera_model = 0;
1865                 Camera_updateModelview( camwnd.getCamera() );
1866                 Camera_updateProjection( camwnd.getCamera() );
1867                 CamWnd_Update( camwnd );
1868         }
1869 }
1870
1871 inline CameraModel* Instance_getCameraModel( scene::Instance& instance ){
1872         return InstanceTypeCast<CameraModel>::cast( instance );
1873 }
1874
1875 void CamWnd_LookThroughSelected( CamWnd& camwnd ){
1876         if ( g_camera_model != 0 ) {
1877                 CamWnd_LookThroughCamera( camwnd );
1878         }
1879
1880         if ( GlobalSelectionSystem().countSelected() != 0 ) {
1881                 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1882                 CameraModel* cameraModel = Instance_getCameraModel( instance );
1883                 if ( cameraModel != 0 ) {
1884                         CamWnd_Remove_Handlers_Move( camwnd );
1885                         g_camera_model = cameraModel;
1886                         g_camera_model->setCameraView( &camwnd.getCameraView(), ReferenceCaller<CamWnd, void(), CamWnd_LookThroughCamera>( camwnd ) );
1887                 }
1888         }
1889 }
1890
1891 void GlobalCamera_LookThroughSelected(){
1892         CamWnd_LookThroughSelected( *g_camwnd );
1893 }
1894
1895 void GlobalCamera_LookThroughCamera(){
1896         CamWnd_LookThroughCamera( *g_camwnd );
1897 }
1898
1899 struct RenderMode {
1900         static void Export(const Callback<void(int)> &returnz) {
1901                 switch (CamWnd_GetMode()) {
1902                         case cd_wire:
1903                                 returnz(0);
1904                                 break;
1905                         case cd_solid:
1906                                 returnz(1);
1907                                 break;
1908                         case cd_texture:
1909                                 returnz(2);
1910                                 break;
1911                         case cd_lighting:
1912                                 returnz(3);
1913                                 break;
1914                 }
1915         }
1916
1917         static void Import(int value) {
1918                 switch (value) {
1919         case 0:
1920                 CamWnd_SetMode( cd_wire );
1921                 break;
1922         case 1:
1923                 CamWnd_SetMode( cd_solid );
1924                 break;
1925         case 2:
1926                 CamWnd_SetMode( cd_texture );
1927                 break;
1928         case 3:
1929                 CamWnd_SetMode( cd_lighting );
1930                 break;
1931         default:
1932                 CamWnd_SetMode( cd_texture );
1933         }
1934 }
1935 };
1936
1937 void Camera_constructPreferences( PreferencesPage& page ){
1938         page.appendSlider( "Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10 );
1939         page.appendCheckBox( "", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed );
1940         page.appendSlider( "Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10 );
1941         page.appendCheckBox( "", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse );
1942         page.appendCheckBox( "", "Zoom In to Mouse pointer", g_camwindow_globals.m_bZoomInToPointer );
1943         page.appendCheckBox(
1944                 "", "Discrete movement",
1945                 make_property<CamWnd_Move_Discrete>()
1946                 );
1947         page.appendCheckBox(
1948                 "", "Enable far-clip plane",
1949                 make_property<Camera_FarClip>()
1950                 );
1951
1952         if ( g_pGameDescription->mGameType == "doom3" ) {
1953                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1954
1955                 page.appendCombo(
1956                         "Render Mode",
1957                         STRING_ARRAY_RANGE( render_mode ),
1958                         make_property<RenderMode>()
1959                         );
1960         }
1961         else
1962         {
1963                 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1964
1965                 page.appendCombo(
1966                         "Render Mode",
1967                         STRING_ARRAY_RANGE( render_mode ),
1968                         make_property<RenderMode>()
1969                         );
1970         }
1971
1972         const char* strafe_mode[] = { "None", "Up", "Forward", "Both", "Both Inverted" };
1973
1974         page.appendCombo(
1975                 "Strafe Mode",
1976                 g_camwindow_globals_private.m_nStrafeMode,
1977                 STRING_ARRAY_RANGE( strafe_mode )
1978                 );
1979 }
1980 void Camera_constructPage( PreferenceGroup& group ){
1981         PreferencesPage page( group.createPage( "Camera", "Camera View Preferences" ) );
1982         Camera_constructPreferences( page );
1983 }
1984 void Camera_registerPreferencesPage(){
1985         PreferencesDialog_addSettingsPage( makeCallbackF(Camera_constructPage) );
1986 }
1987
1988 #include "preferencesystem.h"
1989 #include "stringio.h"
1990 #include "dialog.h"
1991
1992 void CameraSpeed_increase(){
1993         if ( g_camwindow_globals_private.m_nMoveSpeed <= ( MAX_CAM_SPEED - CAM_SPEED_STEP - 10 ) ) {
1994                 g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
1995         }
1996         else {
1997                 g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
1998         }
1999 }
2000
2001 void CameraSpeed_decrease(){
2002         if ( g_camwindow_globals_private.m_nMoveSpeed >= ( MIN_CAM_SPEED + CAM_SPEED_STEP ) ) {
2003                 g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
2004         }
2005         else {
2006                 g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
2007         }
2008 }
2009
2010 /// \brief Initialisation for things that have the same lifespan as this module.
2011 void CamWnd_Construct(){
2012         GlobalCommands_insert( "CenterView", makeCallbackF(GlobalCamera_ResetAngles), Accelerator( GDK_KEY_End ) );
2013         GlobalCommands_insert( "CameraFocusOnSelected", makeCallbackF( GlobalCamera_FocusOnSelected ), Accelerator( GDK_Tab ) );
2014
2015         GlobalToggles_insert( "ToggleCubicClip", makeCallbackF(Camera_ToggleFarClip), ToggleItem::AddCallbackCaller( g_getfarclip_item ), Accelerator( '\\', (GdkModifierType)GDK_CONTROL_MASK ) );
2016         GlobalCommands_insert( "CubicClipZoomIn", makeCallbackF(Camera_CubeIn), Accelerator( '[', (GdkModifierType)GDK_CONTROL_MASK ) );
2017         GlobalCommands_insert( "CubicClipZoomOut", makeCallbackF(Camera_CubeOut), Accelerator( ']', (GdkModifierType)GDK_CONTROL_MASK ) );
2018
2019         GlobalCommands_insert( "UpFloor", makeCallbackF(Camera_ChangeFloorUp), Accelerator( GDK_KEY_Prior ) );
2020         GlobalCommands_insert( "DownFloor", makeCallbackF(Camera_ChangeFloorDown), Accelerator( GDK_KEY_Next ) );
2021
2022         GlobalToggles_insert( "ToggleCamera", ToggleShown::ToggleCaller( g_camera_shown ), ToggleItem::AddCallbackCaller( g_camera_shown.m_item ), Accelerator( 'C', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2023 //      GlobalCommands_insert( "LookThroughSelected", makeCallbackF(GlobalCamera_LookThroughSelected) );
2024 //      GlobalCommands_insert( "LookThroughCamera", makeCallbackF(GlobalCamera_LookThroughCamera) );
2025
2026         if ( g_pGameDescription->mGameType == "doom3" ) {
2027                 GlobalCommands_insert( "TogglePreview", makeCallbackF(CamWnd_TogglePreview), Accelerator( GDK_KEY_F3 ) );
2028         }
2029
2030         GlobalCommands_insert( "CameraSpeedInc", makeCallbackF(CameraSpeed_increase), Accelerator( GDK_KEY_KP_Add, (GdkModifierType)GDK_SHIFT_MASK ) );
2031         GlobalCommands_insert( "CameraSpeedDec", makeCallbackF(CameraSpeed_decrease), Accelerator( GDK_KEY_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK ) );
2032
2033         GlobalShortcuts_insert( "CameraForward", Accelerator( GDK_KEY_Up ) );
2034         GlobalShortcuts_insert( "CameraBack", Accelerator( GDK_KEY_Down ) );
2035         GlobalShortcuts_insert( "CameraLeft", Accelerator( GDK_KEY_Left ) );
2036         GlobalShortcuts_insert( "CameraRight", Accelerator( GDK_KEY_Right ) );
2037         GlobalShortcuts_insert( "CameraStrafeRight", Accelerator( 'D' ) );
2038         GlobalShortcuts_insert( "CameraStrafeLeft", Accelerator( 'A' ) );
2039
2040         GlobalShortcuts_insert( "CameraUp", accelerator_null() );
2041         GlobalShortcuts_insert( "CameraDown", accelerator_null() );
2042         GlobalShortcuts_insert( "CameraAngleUp", accelerator_null() );
2043         GlobalShortcuts_insert( "CameraAngleDown", accelerator_null() );
2044
2045         GlobalShortcuts_insert( "CameraFreeMoveForward", Accelerator( 'W' ) );
2046         GlobalShortcuts_insert( "CameraFreeMoveBack", Accelerator( 'S' ) );
2047         GlobalShortcuts_insert( "CameraFreeMoveLeft", Accelerator( 'A' ) );
2048         GlobalShortcuts_insert( "CameraFreeMoveRight", Accelerator( 'D' ) );
2049
2050         GlobalShortcuts_insert( "CameraFreeMoveForward2", Accelerator( GDK_KEY_Up ) );
2051         GlobalShortcuts_insert( "CameraFreeMoveBack2", Accelerator( GDK_KEY_Down ) );
2052         GlobalShortcuts_insert( "CameraFreeMoveLeft2", Accelerator( GDK_KEY_Left ) );
2053         GlobalShortcuts_insert( "CameraFreeMoveRight2", Accelerator( GDK_KEY_Right ) );
2054
2055         GlobalShortcuts_insert( "CameraFreeMoveUp", accelerator_null() );
2056         GlobalShortcuts_insert( "CameraFreeMoveDown", accelerator_null() );
2057
2058         GlobalToggles_insert( "ShowStats", makeCallbackF(ShowStatsToggle), ToggleItem::AddCallbackCaller( g_show_stats ) );
2059
2060         GlobalPreferenceSystem().registerPreference( "ShowStats", make_property_string( g_camwindow_globals_private.m_showStats ) );
2061         GlobalPreferenceSystem().registerPreference( "MoveSpeed", make_property_string( g_camwindow_globals_private.m_nMoveSpeed ) );
2062         GlobalPreferenceSystem().registerPreference( "CamLinkSpeed", make_property_string( g_camwindow_globals_private.m_bCamLinkSpeed ) );
2063         GlobalPreferenceSystem().registerPreference( "AngleSpeed", make_property_string( g_camwindow_globals_private.m_nAngleSpeed ) );
2064         GlobalPreferenceSystem().registerPreference( "CamInverseMouse", make_property_string( g_camwindow_globals_private.m_bCamInverseMouse ) );
2065         GlobalPreferenceSystem().registerPreference( "CamDiscrete", make_property_string<CamWnd_Move_Discrete>());
2066         GlobalPreferenceSystem().registerPreference( "CubicClipping", make_property_string( g_camwindow_globals_private.m_bCubicClipping ) );
2067         GlobalPreferenceSystem().registerPreference( "CubicScale", make_property_string( g_camwindow_globals.m_nCubicScale ) );
2068         GlobalPreferenceSystem().registerPreference( "SI_Colors4", make_property_string( g_camwindow_globals.color_cameraback ) );
2069         GlobalPreferenceSystem().registerPreference( "SI_Colors12", make_property_string( g_camwindow_globals.color_selbrushes3d ) );
2070         GlobalPreferenceSystem().registerPreference( "CameraRenderMode", make_property_string<RenderMode>() );
2071         GlobalPreferenceSystem().registerPreference( "StrafeMode", make_property_string( g_camwindow_globals_private.m_nStrafeMode ) );
2072         GlobalPreferenceSystem().registerPreference( "3DZoomInToPointer", make_property_string( g_camwindow_globals.m_bZoomInToPointer ) );
2073
2074         CamWnd_constructStatic();
2075
2076         Camera_registerPreferencesPage();
2077 }
2078 void CamWnd_Destroy(){
2079         CamWnd_destroyStatic();
2080 }