radiant/camwindow.cpp

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