2 Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3 For a list of contributors, see the accompanying CONTRIBUTORS file.
5 This file is part of GtkRadiant.
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.
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.
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
25 // Leonardo Zide (leo@lokigames.com)
28 #include "camwindow.h"
30 #include "debugging/debugging.h"
32 #include "iscenegraph.h"
37 #include "renderable.h"
38 #include "preferencesystem.h"
40 #include "signal/signal.h"
41 #include "container/array.h"
45 #include "math/frustum.h"
47 #include "gtkutil/widget.h"
48 #include "gtkutil/button.h"
49 #include "gtkutil/toolbar.h"
50 #include "gtkutil/glwidget.h"
51 #include "gtkutil/xorrectangle.h"
53 #include "selection.h"
54 #include "mainframe.h"
55 #include "preferences.h"
58 #include "windowobservers.h"
59 #include "renderstate.h"
63 Signal0 g_cameraMoved_callbacks;
65 void AddCameraMovedCallback(const SignalHandler& handler)
67 g_cameraMoved_callbacks.connectLast(handler);
70 void CameraMovedNotify()
72 g_cameraMoved_callbacks();
76 struct camwindow_globals_private_t
80 bool m_bCamInverseMouse;
82 bool m_bCubicClipping;
84 camwindow_globals_private_t() :
87 m_bCamInverseMouse(false),
89 m_bCubicClipping(true)
95 camwindow_globals_private_t g_camwindow_globals_private;
98 const Matrix4 g_opengl2radiant(
105 const Matrix4 g_radiant2opengl(
113 void Camera_mouseMove(camera_t& camera, int x, int y);
115 enum camera_draw_mode
132 Vector3 color; // background
134 Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
135 Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
140 bool m_strafe; // true when in strafemode toggled by the ctrl-key
141 bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
143 unsigned int movementflags; // movement flags
144 Timer m_keycontrol_timer;
145 guint m_keymove_handler;
150 DeferredMotionDelta m_mouseMove;
152 static void motionDelta(int x, int y, void* data)
154 Camera_mouseMove(*reinterpret_cast<camera_t*>(data), x, y);
160 static camera_draw_mode draw_mode;
162 camera_t(View* view, const Callback& update)
170 m_keymove_handler(0),
172 m_mouseMove(motionDelta, this),
179 camera_draw_mode camera_t::draw_mode = cd_texture;
181 inline Matrix4 projection_for_camera(float near_z, float far_z, float fieldOfView, int width, int height)
183 const float half_width = static_cast<float>(near_z * tan(degrees_to_radians(fieldOfView * 0.5)));
184 const float half_height = half_width * (static_cast<float>(height) / static_cast<float>(width));
186 return matrix4_frustum(
196 float Camera_getFarClipPlane(camera_t& camera)
198 return (g_camwindow_globals_private.m_bCubicClipping)? pow(2.0, (g_camwindow_globals.m_nCubicScale + 7) / 2.0) : 32768.0f;
201 void Camera_updateProjection(camera_t& camera)
203 float farClip = Camera_getFarClipPlane(camera);
204 camera.projection = projection_for_camera(farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height);
206 camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
209 void Camera_updateVectors(camera_t& camera)
211 for (int i=0 ; i<3 ; i++)
213 camera.vright[i] = camera.modelview[(i<<2)+0];
214 camera.vup[i] = camera.modelview[(i<<2)+1];
215 camera.vpn[i] = camera.modelview[(i<<2)+2];
219 void Camera_updateModelview(camera_t& camera)
221 camera.modelview = g_matrix4_identity;
224 Vector3 radiant_eulerXYZ(0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW]);
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);
231 Camera_updateVectors(camera);
233 camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
237 void Camera_Move_updateAxes(camera_t& camera)
239 double ya = degrees_to_radians(camera.angles[CAMERA_YAW]);
241 // the movement matrix is kept 2d
242 camera.forward[0] = static_cast<float>(cos(ya));
243 camera.forward[1] = static_cast<float>(sin(ya));
244 camera.forward[2] = 0;
245 camera.right[0] = camera.forward[1];
246 camera.right[1] = -camera.forward[0];
249 void Camera_Freemove_updateAxes(camera_t& camera)
251 camera.right = camera.vright;
252 camera.forward = vector3_negated(camera.vpn);
255 const Vector3& Camera_getOrigin(camera_t& camera)
257 return camera.origin;
260 void Camera_setOrigin(camera_t& camera, const Vector3& origin)
262 camera.origin = origin;
263 Camera_updateModelview(camera);
268 const Vector3& Camera_getAngles(camera_t& camera)
270 return camera.angles;
273 void Camera_setAngles(camera_t& camera, const Vector3& angles)
275 camera.angles = angles;
276 Camera_updateModelview(camera);
282 void Camera_FreeMove(camera_t& camera, int dx, int dy)
284 // free strafe mode, toggled by the ctrl key with optional shift for forward movement
287 const float strafespeed = 0.65f;
289 camera.origin -= camera.vright * strafespeed * dx;
290 if(camera.m_strafe_forward)
291 camera.origin += camera.vpn * strafespeed * dy;
293 camera.origin += camera.vup * strafespeed * dy;
297 const float dtime = 0.1f;
299 if (g_camwindow_globals_private.m_bCamInverseMouse)
300 camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
302 camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
304 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
306 if (camera.angles[CAMERA_PITCH] > 90)
307 camera.angles[CAMERA_PITCH] = 90;
308 else if (camera.angles[CAMERA_PITCH] < -90)
309 camera.angles[CAMERA_PITCH] = -90;
311 if (camera.angles[CAMERA_YAW] >= 360)
312 camera.angles[CAMERA_YAW] -=360;
313 else if (camera.angles[CAMERA_YAW] <= 0)
314 camera.angles[CAMERA_YAW] +=360;
317 Camera_updateModelview(camera);
318 Camera_Freemove_updateAxes(camera);
321 void Cam_MouseControl(camera_t& camera, int x, int y)
327 xf = (float)(x - camera.width/2) / (camera.width/2);
328 yf = (float)(y - camera.height/2) / (camera.height/2);
332 yl = camera.height/3;
335 xf *= 1.0f - fabsf(yf);
349 vector3_add(camera.origin, vector3_scaled(camera.forward, yf * 0.1f* g_camwindow_globals_private.m_nMoveSpeed));
350 camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
352 Camera_updateModelview(camera);
355 void Camera_mouseMove(camera_t& camera, int x, int y)
357 //globalOutputStream() << "mousemove... ";
358 Camera_FreeMove(camera, -x, -y);
363 const unsigned int MOVE_NONE = 0;
364 const unsigned int MOVE_FORWARD = 1 << 0;
365 const unsigned int MOVE_BACK = 1 << 1;
366 const unsigned int MOVE_ROTRIGHT = 1 << 2;
367 const unsigned int MOVE_ROTLEFT = 1 << 3;
368 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
369 const unsigned int MOVE_STRAFELEFT = 1 << 5;
370 const unsigned int MOVE_UP = 1 << 6;
371 const unsigned int MOVE_DOWN = 1 << 7;
372 const unsigned int MOVE_PITCHUP = 1 << 8;
373 const unsigned int MOVE_PITCHDOWN = 1 << 9;
374 const unsigned int MOVE_ALL = MOVE_FORWARD|MOVE_BACK|MOVE_ROTRIGHT|MOVE_ROTLEFT|MOVE_STRAFERIGHT|MOVE_STRAFELEFT|MOVE_UP|MOVE_DOWN|MOVE_PITCHUP|MOVE_PITCHDOWN;
376 void Cam_KeyControl(camera_t& camera, float dtime)
379 if (camera.movementflags & MOVE_ROTLEFT)
380 camera.angles[CAMERA_YAW] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
381 if (camera.movementflags & MOVE_ROTRIGHT)
382 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
383 if (camera.movementflags & MOVE_PITCHUP)
385 camera.angles[CAMERA_PITCH] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
386 if(camera.angles[CAMERA_PITCH] > 90)
387 camera.angles[CAMERA_PITCH] = 90;
389 if (camera.movementflags & MOVE_PITCHDOWN)
391 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
392 if(camera.angles[CAMERA_PITCH] < -90)
393 camera.angles[CAMERA_PITCH] = -90;
396 Camera_updateModelview(camera);
397 Camera_Freemove_updateAxes(camera);
400 if (camera.movementflags & MOVE_FORWARD)
401 vector3_add(camera.origin, vector3_scaled(camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed));
402 if (camera.movementflags & MOVE_BACK)
403 vector3_add(camera.origin, vector3_scaled(camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
404 if (camera.movementflags & MOVE_STRAFELEFT)
405 vector3_add(camera.origin, vector3_scaled(camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
406 if (camera.movementflags & MOVE_STRAFERIGHT)
407 vector3_add(camera.origin, vector3_scaled(camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed));
408 if (camera.movementflags & MOVE_UP)
409 vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed));
410 if (camera.movementflags & MOVE_DOWN)
411 vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
413 Camera_updateModelview(camera);
416 void Camera_keyMove(camera_t& camera)
418 camera.m_mouseMove.flush();
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)
425 time_seconds = 0.05f; // 20fps
427 Cam_KeyControl(camera, time_seconds * 5.0f);
433 gboolean camera_keymove(gpointer data)
435 Camera_keyMove(*reinterpret_cast<camera_t*>(data));
439 void Camera_setMovementFlags(camera_t& camera, unsigned int mask)
441 if((~camera.movementflags & mask) != 0 && camera.movementflags == 0)
443 camera.m_keymove_handler = g_idle_add(camera_keymove, &camera);
445 camera.movementflags |= mask;
447 void Camera_clearMovementFlags(camera_t& camera, unsigned int mask)
449 if((camera.movementflags & ~mask) == 0 && camera.movementflags != 0)
451 g_source_remove(camera.m_keymove_handler);
452 camera.m_keymove_handler = 0;
454 camera.movementflags &= ~mask;
457 void Camera_MoveForward_KeyDown(camera_t& camera)
459 Camera_setMovementFlags(camera, MOVE_FORWARD);
461 void Camera_MoveForward_KeyUp(camera_t& camera)
463 Camera_clearMovementFlags(camera, MOVE_FORWARD);
465 void Camera_MoveBack_KeyDown(camera_t& camera)
467 Camera_setMovementFlags(camera, MOVE_BACK);
469 void Camera_MoveBack_KeyUp(camera_t& camera)
471 Camera_clearMovementFlags(camera, MOVE_BACK);
474 void Camera_MoveLeft_KeyDown(camera_t& camera)
476 Camera_setMovementFlags(camera, MOVE_STRAFELEFT);
478 void Camera_MoveLeft_KeyUp(camera_t& camera)
480 Camera_clearMovementFlags(camera, MOVE_STRAFELEFT);
482 void Camera_MoveRight_KeyDown(camera_t& camera)
484 Camera_setMovementFlags(camera, MOVE_STRAFERIGHT);
486 void Camera_MoveRight_KeyUp(camera_t& camera)
488 Camera_clearMovementFlags(camera, MOVE_STRAFERIGHT);
491 void Camera_MoveUp_KeyDown(camera_t& camera)
493 Camera_setMovementFlags(camera, MOVE_UP);
495 void Camera_MoveUp_KeyUp(camera_t& camera)
497 Camera_clearMovementFlags(camera, MOVE_UP);
499 void Camera_MoveDown_KeyDown(camera_t& camera)
501 Camera_setMovementFlags(camera, MOVE_DOWN);
503 void Camera_MoveDown_KeyUp(camera_t& camera)
505 Camera_clearMovementFlags(camera, MOVE_DOWN);
508 void Camera_RotateLeft_KeyDown(camera_t& camera)
510 Camera_setMovementFlags(camera, MOVE_ROTLEFT);
512 void Camera_RotateLeft_KeyUp(camera_t& camera)
514 Camera_clearMovementFlags(camera, MOVE_ROTLEFT);
516 void Camera_RotateRight_KeyDown(camera_t& camera)
518 Camera_setMovementFlags(camera, MOVE_ROTRIGHT);
520 void Camera_RotateRight_KeyUp(camera_t& camera)
522 Camera_clearMovementFlags(camera, MOVE_ROTRIGHT);
525 void Camera_PitchUp_KeyDown(camera_t& camera)
527 Camera_setMovementFlags(camera, MOVE_PITCHUP);
529 void Camera_PitchUp_KeyUp(camera_t& camera)
531 Camera_clearMovementFlags(camera, MOVE_PITCHUP);
533 void Camera_PitchDown_KeyDown(camera_t& camera)
535 Camera_setMovementFlags(camera, MOVE_PITCHDOWN);
537 void Camera_PitchDown_KeyUp(camera_t& camera)
539 Camera_clearMovementFlags(camera, MOVE_PITCHDOWN);
543 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
544 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
545 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
546 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
547 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
548 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
549 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
550 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
551 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
552 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
553 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
554 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
557 #define SPEED_MOVE 32
558 #define SPEED_TURN 22.5
560 void Camera_MoveForward_Discrete(camera_t& camera)
562 Camera_Move_updateAxes(camera);
563 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, SPEED_MOVE)));
565 void Camera_MoveBack_Discrete(camera_t& camera)
567 Camera_Move_updateAxes(camera);
568 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, -SPEED_MOVE)));
571 void Camera_MoveUp_Discrete(camera_t& camera)
573 Vector3 origin(Camera_getOrigin(camera));
574 origin[2] += SPEED_MOVE;
575 Camera_setOrigin(camera, origin);
577 void Camera_MoveDown_Discrete(camera_t& camera)
579 Vector3 origin(Camera_getOrigin(camera));
580 origin[2] -= SPEED_MOVE;
581 Camera_setOrigin(camera, origin);
584 void Camera_MoveLeft_Discrete(camera_t& camera)
586 Camera_Move_updateAxes(camera);
587 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, -SPEED_MOVE)));
589 void Camera_MoveRight_Discrete(camera_t& camera)
591 Camera_Move_updateAxes(camera);
592 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, SPEED_MOVE)));
595 void Camera_RotateLeft_Discrete(camera_t& camera)
597 Vector3 angles(Camera_getAngles(camera));
598 angles[CAMERA_YAW] += SPEED_TURN;
599 Camera_setAngles(camera, angles);
601 void Camera_RotateRight_Discrete(camera_t& camera)
603 Vector3 angles(Camera_getAngles(camera));
604 angles[CAMERA_YAW] -= SPEED_TURN;
605 Camera_setAngles(camera, angles);
608 void Camera_PitchUp_Discrete(camera_t& camera)
610 Vector3 angles(Camera_getAngles(camera));
611 angles[CAMERA_PITCH] += SPEED_TURN;
612 if (angles[CAMERA_PITCH] > 90)
613 angles[CAMERA_PITCH] = 90;
614 Camera_setAngles(camera, angles);
616 void Camera_PitchDown_Discrete(camera_t& camera)
618 Vector3 angles(Camera_getAngles(camera));
619 angles[CAMERA_PITCH] -= SPEED_TURN;
620 if (angles[CAMERA_PITCH] < -90)
621 angles[CAMERA_PITCH] = -90;
622 Camera_setAngles(camera, angles);
626 class RadiantCameraView : public CameraView
632 RadiantCameraView(camera_t& camera, View* view, const Callback& update) : m_camera(camera), m_view(view), m_update(update)
637 m_view->Construct(m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height);
640 void setModelview(const Matrix4& modelview)
642 m_camera.modelview = modelview;
643 matrix4_multiply_by_matrix4(m_camera.modelview, g_radiant2opengl);
644 matrix4_affine_invert(m_camera.modelview);
645 Camera_updateVectors(m_camera);
648 void setFieldOfView(float fieldOfView)
650 float farClip = Camera_getFarClipPlane(m_camera);
651 m_camera.projection = projection_for_camera(farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height);
657 void Camera_motionDelta(int x, int y, unsigned int state, void* data)
659 camera_t* cam = reinterpret_cast<camera_t*>(data);
661 cam->m_mouseMove.motion_delta(x, y, state);
662 cam->m_strafe = (state & GDK_CONTROL_MASK) != 0;
665 cam->m_strafe_forward = (state & GDK_SHIFT_MASK) != 0;
667 cam->m_strafe_forward = false;
674 RadiantCameraView m_cameraview;
676 int m_PositionDragCursorX;
677 int m_PositionDragCursorY;
680 guint m_freemove_handle_focusout;
682 static Shader* m_state_select1;
683 static Shader* m_state_select2;
685 FreezePointer m_freezePointer;
688 GtkWidget* m_gl_widget;
691 SelectionSystemWindowObserver* m_window_observer;
692 XORRectangle m_XORRectangle;
694 DeferredDraw m_deferredDraw;
695 DeferredMotion m_deferred_motion;
697 guint m_selection_button_press_handler;
698 guint m_selection_button_release_handler;
699 guint m_selection_motion_handler;
701 guint m_freelook_button_press_handler;
704 guint m_exposeHandler;
712 //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
717 //globalOutputStream() << "queue... ";
718 m_deferredDraw.draw();
722 static void captureStates()
724 m_state_select1 = GlobalShaderCache().capture("$CAM_HIGHLIGHT");
725 m_state_select2 = GlobalShaderCache().capture("$CAM_OVERLAY");
727 static void releaseStates()
729 GlobalShaderCache().release("$CAM_HIGHLIGHT");
730 GlobalShaderCache().release("$CAM_OVERLAY");
733 camera_t& getCamera()
739 void Cam_ChangeFloor(bool up);
741 void DisableFreeMove();
742 void EnableFreeMove();
745 CameraView& getCameraView()
754 typedef MemberCaller<CamWnd, &CamWnd::queue_draw> CamWndQueueDraw;
756 Shader* CamWnd::m_state_select1 = 0;
757 Shader* CamWnd::m_state_select2 = 0;
763 void DeleteCamWnd(CamWnd* camwnd)
768 void CamWnd_constructStatic()
770 CamWnd::captureStates();
773 void CamWnd_destroyStatic()
775 CamWnd::releaseStates();
778 static CamWnd* g_camwnd = 0;
780 void GlobalCamera_setCamWnd(CamWnd& camwnd)
786 GtkWidget* CamWnd_getWidget(CamWnd& camwnd)
788 return camwnd.m_gl_widget;
791 GtkWindow* CamWnd_getParent(CamWnd& camwnd)
793 return camwnd.m_parent;
796 ToggleShown g_camera_shown(true);
798 void CamWnd_setParent(CamWnd& camwnd, GtkWindow* parent)
800 camwnd.m_parent = parent;
801 g_camera_shown.connect(GTK_WIDGET(camwnd.m_parent));
804 void CamWnd_Update(CamWnd& camwnd)
811 camwindow_globals_t g_camwindow_globals;
813 const Vector3& Camera_getOrigin(CamWnd& camwnd)
815 return Camera_getOrigin(camwnd.getCamera());
818 void Camera_setOrigin(CamWnd& camwnd, const Vector3& origin)
820 Camera_setOrigin(camwnd.getCamera(), origin);
823 const Vector3& Camera_getAngles(CamWnd& camwnd)
825 return Camera_getAngles(camwnd.getCamera());
828 void Camera_setAngles(CamWnd& camwnd, const Vector3& angles)
830 Camera_setAngles(camwnd.getCamera(), angles);
834 // =============================================================================
837 gboolean enable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
839 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
841 camwnd->EnableFreeMove();
847 gboolean disable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
849 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
851 camwnd->DisableFreeMove();
858 gboolean mousecontrol_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
860 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
862 Cam_MouseControl(camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y);
868 void camwnd_update_xor_rectangle(CamWnd& self, rect_t area)
870 if(GTK_WIDGET_VISIBLE(self.m_gl_widget))
872 self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.getCamera().width, self.getCamera().height));
877 gboolean selection_button_press(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
879 if(event->type == GDK_BUTTON_PRESS)
881 observer->onMouseDown(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
886 gboolean selection_button_release(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
888 if(event->type == GDK_BUTTON_RELEASE)
890 observer->onMouseUp(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
895 void selection_motion(gdouble x, gdouble y, guint state, void* data)
897 //globalOutputStream() << "motion... ";
898 reinterpret_cast<WindowObserver*>(data)->onMouseMotion(WindowVector_forDouble(x, y), modifiers_for_state(state));
901 inline WindowVector windowvector_for_widget_centre(GtkWidget* widget)
903 return WindowVector(static_cast<float>(widget->allocation.width / 2), static_cast<float>(widget->allocation.height / 2));
906 gboolean selection_button_press_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
908 if(event->type == GDK_BUTTON_PRESS)
910 observer->onMouseDown(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
915 gboolean selection_button_release_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
917 if(event->type == GDK_BUTTON_RELEASE)
919 observer->onMouseUp(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
924 gboolean selection_motion_freemove(GtkWidget *widget, GdkEventMotion *event, WindowObserver* observer)
926 observer->onMouseMotion(windowvector_for_widget_centre(widget), modifiers_for_state(event->state));
930 gboolean wheelmove_scroll(GtkWidget* widget, GdkEventScroll* event, CamWnd* camwnd)
932 if(event->direction == GDK_SCROLL_UP)
934 Camera_Freemove_updateAxes(camwnd->getCamera());
935 Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
937 else if(event->direction == GDK_SCROLL_DOWN)
939 Camera_Freemove_updateAxes(camwnd->getCamera());
940 Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, -static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
946 gboolean camera_size_allocate(GtkWidget* widget, GtkAllocation* allocation, CamWnd* camwnd)
948 camwnd->getCamera().width = allocation->width;
949 camwnd->getCamera().height = allocation->height;
950 Camera_updateProjection(camwnd->getCamera());
951 camwnd->m_window_observer->onSizeChanged(camwnd->getCamera().width, camwnd->getCamera().height);
952 camwnd->queue_draw();
956 gboolean camera_expose(GtkWidget* widget, GdkEventExpose* event, gpointer data)
958 reinterpret_cast<CamWnd*>(data)->draw();
962 void KeyEvent_connect(const char* name)
964 const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
965 keydown_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyDown);
966 keyup_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyUp);
969 void KeyEvent_disconnect(const char* name)
971 const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
972 keydown_accelerators_remove(keyEvent.m_accelerator);
973 keyup_accelerators_remove(keyEvent.m_accelerator);
976 void CamWnd_registerCommands(CamWnd& camwnd)
978 GlobalKeyEvents_insert("CameraForward", Accelerator(GDK_Up),
979 ReferenceCaller<camera_t, Camera_MoveForward_KeyDown>(camwnd.getCamera()),
980 ReferenceCaller<camera_t, Camera_MoveForward_KeyUp>(camwnd.getCamera())
982 GlobalKeyEvents_insert("CameraBack", Accelerator(GDK_Down),
983 ReferenceCaller<camera_t, Camera_MoveBack_KeyDown>(camwnd.getCamera()),
984 ReferenceCaller<camera_t, Camera_MoveBack_KeyUp>(camwnd.getCamera())
986 GlobalKeyEvents_insert("CameraLeft", Accelerator(GDK_Left),
987 ReferenceCaller<camera_t, Camera_RotateLeft_KeyDown>(camwnd.getCamera()),
988 ReferenceCaller<camera_t, Camera_RotateLeft_KeyUp>(camwnd.getCamera())
990 GlobalKeyEvents_insert("CameraRight", Accelerator(GDK_Right),
991 ReferenceCaller<camera_t, Camera_RotateRight_KeyDown>(camwnd.getCamera()),
992 ReferenceCaller<camera_t, Camera_RotateRight_KeyUp>(camwnd.getCamera())
994 GlobalKeyEvents_insert("CameraStrafeRight", Accelerator(GDK_period),
995 ReferenceCaller<camera_t, Camera_MoveRight_KeyDown>(camwnd.getCamera()),
996 ReferenceCaller<camera_t, Camera_MoveRight_KeyUp>(camwnd.getCamera())
998 GlobalKeyEvents_insert("CameraStrafeLeft", Accelerator(GDK_comma),
999 ReferenceCaller<camera_t, Camera_MoveLeft_KeyDown>(camwnd.getCamera()),
1000 ReferenceCaller<camera_t, Camera_MoveLeft_KeyUp>(camwnd.getCamera())
1002 GlobalKeyEvents_insert("CameraUp", Accelerator('D'),
1003 ReferenceCaller<camera_t, Camera_MoveUp_KeyDown>(camwnd.getCamera()),
1004 ReferenceCaller<camera_t, Camera_MoveUp_KeyUp>(camwnd.getCamera())
1006 GlobalKeyEvents_insert("CameraDown", Accelerator('C'),
1007 ReferenceCaller<camera_t, Camera_MoveDown_KeyDown>(camwnd.getCamera()),
1008 ReferenceCaller<camera_t, Camera_MoveDown_KeyUp>(camwnd.getCamera())
1010 GlobalKeyEvents_insert("CameraAngleDown", Accelerator('A'),
1011 ReferenceCaller<camera_t, Camera_PitchDown_KeyDown>(camwnd.getCamera()),
1012 ReferenceCaller<camera_t, Camera_PitchDown_KeyUp>(camwnd.getCamera())
1014 GlobalKeyEvents_insert("CameraAngleUp", Accelerator('Z'),
1015 ReferenceCaller<camera_t, Camera_PitchUp_KeyDown>(camwnd.getCamera()),
1016 ReferenceCaller<camera_t, Camera_PitchUp_KeyUp>(camwnd.getCamera())
1019 GlobalKeyEvents_insert("CameraFreeMoveForward", Accelerator(GDK_Up),
1020 FreeMoveCameraMoveForwardKeyDownCaller(camwnd.getCamera()),
1021 FreeMoveCameraMoveForwardKeyUpCaller(camwnd.getCamera())
1023 GlobalKeyEvents_insert("CameraFreeMoveBack", Accelerator(GDK_Down),
1024 FreeMoveCameraMoveBackKeyDownCaller(camwnd.getCamera()),
1025 FreeMoveCameraMoveBackKeyUpCaller(camwnd.getCamera())
1027 GlobalKeyEvents_insert("CameraFreeMoveLeft", Accelerator(GDK_Left),
1028 FreeMoveCameraMoveLeftKeyDownCaller(camwnd.getCamera()),
1029 FreeMoveCameraMoveLeftKeyUpCaller(camwnd.getCamera())
1031 GlobalKeyEvents_insert("CameraFreeMoveRight", Accelerator(GDK_Right),
1032 FreeMoveCameraMoveRightKeyDownCaller(camwnd.getCamera()),
1033 FreeMoveCameraMoveRightKeyUpCaller(camwnd.getCamera())
1035 GlobalKeyEvents_insert("CameraFreeMoveUp", Accelerator('D'),
1036 FreeMoveCameraMoveUpKeyDownCaller(camwnd.getCamera()),
1037 FreeMoveCameraMoveUpKeyUpCaller(camwnd.getCamera())
1039 GlobalKeyEvents_insert("CameraFreeMoveDown", Accelerator('C'),
1040 FreeMoveCameraMoveDownKeyDownCaller(camwnd.getCamera()),
1041 FreeMoveCameraMoveDownKeyUpCaller(camwnd.getCamera())
1044 GlobalCommands_insert("CameraForward", ReferenceCaller<camera_t, Camera_MoveForward_Discrete>(camwnd.getCamera()), Accelerator(GDK_Up));
1045 GlobalCommands_insert("CameraBack", ReferenceCaller<camera_t, Camera_MoveBack_Discrete>(camwnd.getCamera()), Accelerator(GDK_Down));
1046 GlobalCommands_insert("CameraLeft", ReferenceCaller<camera_t, Camera_RotateLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_Left));
1047 GlobalCommands_insert("CameraRight", ReferenceCaller<camera_t, Camera_RotateRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_Right));
1048 GlobalCommands_insert("CameraStrafeRight", ReferenceCaller<camera_t, Camera_MoveRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_period));
1049 GlobalCommands_insert("CameraStrafeLeft", ReferenceCaller<camera_t, Camera_MoveLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_comma));
1051 GlobalCommands_insert("CameraUp", ReferenceCaller<camera_t, Camera_MoveUp_Discrete>(camwnd.getCamera()), Accelerator('D'));
1052 GlobalCommands_insert("CameraDown", ReferenceCaller<camera_t, Camera_MoveDown_Discrete>(camwnd.getCamera()), Accelerator('C'));
1053 GlobalCommands_insert("CameraAngleUp", ReferenceCaller<camera_t, Camera_PitchUp_Discrete>(camwnd.getCamera()), Accelerator('A'));
1054 GlobalCommands_insert("CameraAngleDown", ReferenceCaller<camera_t, Camera_PitchDown_Discrete>(camwnd.getCamera()), Accelerator('Z'));
1057 void CamWnd_Move_Enable(CamWnd& camwnd)
1059 KeyEvent_connect("CameraForward");
1060 KeyEvent_connect("CameraBack");
1061 KeyEvent_connect("CameraLeft");
1062 KeyEvent_connect("CameraRight");
1063 KeyEvent_connect("CameraStrafeRight");
1064 KeyEvent_connect("CameraStrafeLeft");
1065 KeyEvent_connect("CameraUp");
1066 KeyEvent_connect("CameraDown");
1067 KeyEvent_connect("CameraAngleUp");
1068 KeyEvent_connect("CameraAngleDown");
1071 void CamWnd_Move_Disable(CamWnd& camwnd)
1073 KeyEvent_disconnect("CameraForward");
1074 KeyEvent_disconnect("CameraBack");
1075 KeyEvent_disconnect("CameraLeft");
1076 KeyEvent_disconnect("CameraRight");
1077 KeyEvent_disconnect("CameraStrafeRight");
1078 KeyEvent_disconnect("CameraStrafeLeft");
1079 KeyEvent_disconnect("CameraUp");
1080 KeyEvent_disconnect("CameraDown");
1081 KeyEvent_disconnect("CameraAngleUp");
1082 KeyEvent_disconnect("CameraAngleDown");
1085 void CamWnd_Move_Discrete_Enable(CamWnd& camwnd)
1087 command_connect_accelerator("CameraForward");
1088 command_connect_accelerator("CameraBack");
1089 command_connect_accelerator("CameraLeft");
1090 command_connect_accelerator("CameraRight");
1091 command_connect_accelerator("CameraStrafeRight");
1092 command_connect_accelerator("CameraStrafeLeft");
1093 command_connect_accelerator("CameraUp");
1094 command_connect_accelerator("CameraDown");
1095 command_connect_accelerator("CameraAngleUp");
1096 command_connect_accelerator("CameraAngleDown");
1099 void CamWnd_Move_Discrete_Disable(CamWnd& camwnd)
1101 command_disconnect_accelerator("CameraForward");
1102 command_disconnect_accelerator("CameraBack");
1103 command_disconnect_accelerator("CameraLeft");
1104 command_disconnect_accelerator("CameraRight");
1105 command_disconnect_accelerator("CameraStrafeRight");
1106 command_disconnect_accelerator("CameraStrafeLeft");
1107 command_disconnect_accelerator("CameraUp");
1108 command_disconnect_accelerator("CameraDown");
1109 command_disconnect_accelerator("CameraAngleUp");
1110 command_disconnect_accelerator("CameraAngleDown");
1113 void CamWnd_Move_Discrete_Import(CamWnd& camwnd, bool value)
1115 if(g_camwindow_globals_private.m_bCamDiscrete)
1117 CamWnd_Move_Discrete_Disable(camwnd);
1121 CamWnd_Move_Disable(camwnd);
1124 g_camwindow_globals_private.m_bCamDiscrete = value;
1126 if(g_camwindow_globals_private.m_bCamDiscrete)
1128 CamWnd_Move_Discrete_Enable(camwnd);
1132 CamWnd_Move_Enable(camwnd);
1136 void CamWnd_Move_Discrete_Import(bool value)
1140 CamWnd_Move_Discrete_Import(*g_camwnd, value);
1144 g_camwindow_globals_private.m_bCamDiscrete = value;
1150 void CamWnd_Add_Handlers_Move(CamWnd& camwnd)
1152 camwnd.m_selection_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(selection_button_press), camwnd.m_window_observer);
1153 camwnd.m_selection_button_release_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_release_event", G_CALLBACK(selection_button_release), camwnd.m_window_observer);
1154 camwnd.m_selection_motion_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "motion_notify_event", G_CALLBACK(DeferredMotion::gtk_motion), &camwnd.m_deferred_motion);
1156 camwnd.m_freelook_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(enable_freelook_button_press), &camwnd);
1158 if(g_camwindow_globals_private.m_bCamDiscrete)
1160 CamWnd_Move_Discrete_Enable(camwnd);
1164 CamWnd_Move_Enable(camwnd);
1168 void CamWnd_Remove_Handlers_Move(CamWnd& camwnd)
1170 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
1171 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
1172 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
1174 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
1176 if(g_camwindow_globals_private.m_bCamDiscrete)
1178 CamWnd_Move_Discrete_Disable(camwnd);
1182 CamWnd_Move_Disable(camwnd);
1186 void CamWnd_Add_Handlers_FreeMove(CamWnd& camwnd)
1188 camwnd.m_selection_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(selection_button_press_freemove), camwnd.m_window_observer);
1189 camwnd.m_selection_button_release_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_release_event", G_CALLBACK(selection_button_release_freemove), camwnd.m_window_observer);
1190 camwnd.m_selection_motion_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "motion_notify_event", G_CALLBACK(selection_motion_freemove), camwnd.m_window_observer);
1192 camwnd.m_freelook_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(disable_freelook_button_press), &camwnd);
1194 KeyEvent_connect("CameraFreeMoveForward");
1195 KeyEvent_connect("CameraFreeMoveBack");
1196 KeyEvent_connect("CameraFreeMoveLeft");
1197 KeyEvent_connect("CameraFreeMoveRight");
1198 KeyEvent_connect("CameraFreeMoveUp");
1199 KeyEvent_connect("CameraFreeMoveDown");
1202 void CamWnd_Remove_Handlers_FreeMove(CamWnd& camwnd)
1204 KeyEvent_disconnect("CameraFreeMoveForward");
1205 KeyEvent_disconnect("CameraFreeMoveBack");
1206 KeyEvent_disconnect("CameraFreeMoveLeft");
1207 KeyEvent_disconnect("CameraFreeMoveRight");
1208 KeyEvent_disconnect("CameraFreeMoveUp");
1209 KeyEvent_disconnect("CameraFreeMoveDown");
1211 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
1212 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
1213 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
1215 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
1220 m_Camera(&m_view, CamWndQueueDraw(*this)),
1221 m_cameraview(m_Camera, &m_view, ReferenceCaller<CamWnd, CamWnd_Update>(*this)),
1222 m_gl_widget(glwidget_new(TRUE)),
1223 m_window_observer(NewWindowObserver()),
1224 m_XORRectangle(m_gl_widget),
1225 m_deferredDraw(WidgetQueueDrawCaller(*m_gl_widget)),
1226 m_deferred_motion(selection_motion, m_window_observer),
1227 m_selection_button_press_handler(0),
1228 m_selection_button_release_handler(0),
1229 m_selection_motion_handler(0),
1230 m_freelook_button_press_handler(0),
1233 m_bFreeMove = false;
1235 GlobalWindowObservers_add(m_window_observer);
1236 GlobalWindowObservers_connectWidget(m_gl_widget);
1238 m_window_observer->setRectangleDrawCallback(ReferenceCaller1<CamWnd, rect_t, camwnd_update_xor_rectangle>(*this));
1239 m_window_observer->setView(m_view);
1241 gtk_widget_ref(m_gl_widget);
1243 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);
1244 GTK_WIDGET_SET_FLAGS (m_gl_widget, GTK_CAN_FOCUS);
1246 m_sizeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "size_allocate", G_CALLBACK(camera_size_allocate), this);
1247 m_exposeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "expose_event", G_CALLBACK(camera_expose), this);
1249 Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
1251 CamWnd_registerCommands(*this);
1253 CamWnd_Add_Handlers_Move(*this);
1255 g_signal_connect(G_OBJECT(m_gl_widget), "scroll_event", G_CALLBACK(wheelmove_scroll), this);
1257 AddSceneChangeCallback(ReferenceCaller<CamWnd, CamWnd_Update>(*this));
1259 PressedButtons_connect(g_pressedButtons, m_gl_widget);
1269 CamWnd_Remove_Handlers_Move(*this);
1271 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
1272 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
1274 gtk_widget_unref(m_gl_widget);
1276 m_window_observer->release();
1279 class FloorHeightWalker : public scene::Graph::Walker
1285 FloorHeightWalker(float current, float& bestUp, float& bestDown) :
1286 m_current(current), m_bestUp(bestUp), m_bestDown(bestDown)
1288 bestUp = g_MaxWorldCoord;
1289 bestDown = -g_MaxWorldCoord;
1291 bool pre(const scene::Path& path, scene::Instance& instance) const
1293 if(path.top().get().visible()
1294 && Node_isBrush(path.top())) // this node is a floor
1296 const AABB& aabb = instance.worldAABB();
1297 float floorHeight = aabb.origin.z() + aabb.extents.z();
1298 if(floorHeight > m_current && floorHeight < m_bestUp)
1300 m_bestUp = floorHeight;
1302 if(floorHeight < m_current && floorHeight > m_bestDown)
1304 m_bestDown = floorHeight;
1311 void CamWnd::Cam_ChangeFloor(bool up)
1313 float current = m_Camera.origin[2] - 48;
1316 GlobalSceneGraph().traverse(FloorHeightWalker(current, bestUp, bestDown));
1318 if(up && bestUp != g_MaxWorldCoord)
1322 if(!up && bestDown != -g_MaxWorldCoord)
1327 m_Camera.origin[2] = current + 48;
1328 Camera_updateModelview(getCamera());
1329 CamWnd_Update(*this);
1330 CameraMovedNotify();
1337 Sys_GetCursorPos(&m_PositionDragCursorX, &m_PositionDragCursorY);
1340 if ( (m_bFreeMove && (buttons == (RAD_CONTROL|RAD_SHIFT)))
1341 || (!m_bFreeMove && (buttons == (RAD_RBUTTON|RAD_CONTROL))) )
1344 CamWnd_Update(camwnd);
1345 CameraMovedNotify();
1349 void CamWnd::Cam_PositionDrag()
1353 Sys_GetCursorPos(GTK_WINDOW(m_gl_widget), &x, &y);
1354 if (x != m_PositionDragCursorX || y != m_PositionDragCursorY)
1356 x -= m_PositionDragCursorX;
1357 vector3_add(m_Camera.origin, vector3_scaled(m_Camera.vright, x));
1358 y -= m_PositionDragCursorY;
1359 m_Camera.origin[2] -= y;
1360 Camera_updateModelview();
1361 CamWnd_Update(camwnd);
1362 CameraMovedNotify();
1364 Sys_SetCursorPos(GTK_WINDOW(m_parent), m_PositionDragCursorX, m_PositionDragCursorY);
1370 // NOTE TTimo if there's an OS-level focus out of the application
1371 // then we can release the camera cursor grab
1372 static gboolean camwindow_freemove_focusout(GtkWidget* widget, GdkEventFocus* event, gpointer data)
1374 reinterpret_cast<CamWnd*>(data)->DisableFreeMove();
1378 void CamWnd::EnableFreeMove()
1380 //globalOutputStream() << "EnableFreeMove\n";
1382 ASSERT_MESSAGE(!m_bFreeMove, "EnableFreeMove: free-move was already enabled");
1384 Camera_clearMovementFlags(getCamera(), MOVE_ALL);
1386 CamWnd_Remove_Handlers_Move(*this);
1387 CamWnd_Add_Handlers_FreeMove(*this);
1389 gtk_window_set_focus(m_parent, m_gl_widget);
1390 m_freemove_handle_focusout = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(camwindow_freemove_focusout), this);
1391 m_freezePointer.freeze_pointer(m_parent, Camera_motionDelta, &m_Camera);
1393 CamWnd_Update(*this);
1396 void CamWnd::DisableFreeMove()
1398 //globalOutputStream() << "DisableFreeMove\n";
1400 ASSERT_MESSAGE(m_bFreeMove, "DisableFreeMove: free-move was not enabled");
1401 m_bFreeMove = false;
1402 Camera_clearMovementFlags(getCamera(), MOVE_ALL);
1404 CamWnd_Remove_Handlers_FreeMove(*this);
1405 CamWnd_Add_Handlers_Move(*this);
1407 m_freezePointer.unfreeze_pointer(m_parent);
1408 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_freemove_handle_focusout);
1410 CamWnd_Update(*this);
1414 #include "renderer.h"
1416 class CamRenderer: public Renderer
1420 state_type() : m_highlight(0), m_state(0), m_lights(0)
1423 unsigned int m_highlight;
1425 const LightList* m_lights;
1428 std::vector<state_type> m_state_stack;
1429 RenderStateFlags m_globalstate;
1430 Shader* m_state_select0;
1431 Shader* m_state_select1;
1432 const Vector3& m_viewer;
1435 CamRenderer(RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer) :
1436 m_globalstate(globalstate),
1437 m_state_select0(select0),
1438 m_state_select1(select1),
1441 ASSERT_NOTNULL(select0);
1442 ASSERT_NOTNULL(select1);
1443 m_state_stack.push_back(state_type());
1446 void SetState(Shader* state, EStyle style)
1448 ASSERT_NOTNULL(state);
1449 if(style == eFullMaterials)
1451 m_state_stack.back().m_state = state;
1454 const EStyle getStyle() const
1456 return eFullMaterials;
1460 m_state_stack.push_back(m_state_stack.back());
1464 ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
1465 m_state_stack.pop_back();
1467 void Highlight(EHighlightMode mode, bool bEnable = true)
1470 ? m_state_stack.back().m_highlight |= mode
1471 : m_state_stack.back().m_highlight &= ~mode;
1473 void setLights(const LightList& lights)
1475 m_state_stack.back().m_lights = &lights;
1477 void addRenderable(const OpenGLRenderable& renderable, const Matrix4& world)
1479 if(m_state_stack.back().m_highlight & ePrimitive)
1481 m_state_select0->addRenderable(renderable, world, m_state_stack.back().m_lights);
1483 if(m_state_stack.back().m_highlight & eFace)
1485 m_state_select1->addRenderable(renderable, world, m_state_stack.back().m_lights);
1488 m_state_stack.back().m_state->addRenderable(renderable, world, m_state_stack.back().m_lights);
1491 void render(const Matrix4& modelview, const Matrix4& projection)
1493 GlobalShaderCache().render(m_globalstate, modelview, projection, m_viewer);
1503 void CamWnd::Cam_Draw()
1505 glViewport(0, 0, m_Camera.width, m_Camera.height);
1508 glGetIntegerv (GL_VIEWPORT, viewprt);
1511 // enable depth buffer writes
1512 glDepthMask(GL_TRUE);
1514 Vector3 clearColour(0, 0, 0);
1515 if(m_Camera.draw_mode != cd_lighting)
1517 clearColour = g_camwindow_globals.color_cameraback;
1520 glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
1521 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
1523 extern void Renderer_ResetStats();
1524 Renderer_ResetStats();
1525 extern void Cull_ResetStats();
1528 glMatrixMode(GL_PROJECTION);
1529 glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.projection));
1531 glMatrixMode(GL_MODELVIEW);
1532 glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.modelview));
1535 // one directional light source directly behind the viewer
1537 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4];//, material[4];
1539 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1541 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1543 //material[0] = material[1] = material[2] = 0.8f;
1544 //material[3] = 1.0f;
1546 inverse_cam_dir[0] = m_Camera.vpn[0];
1547 inverse_cam_dir[1] = m_Camera.vpn[1];
1548 inverse_cam_dir[2] = m_Camera.vpn[2];
1549 inverse_cam_dir[3] = 0;
1551 glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
1553 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
1554 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
1556 glEnable(GL_LIGHT0);
1560 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;
1561 switch (m_Camera.draw_mode)
1566 globalstate |= RENDER_FILL
1572 globalstate |= RENDER_FILL
1579 globalstate |= RENDER_FILL
1593 if(!g_xywindow_globals.m_bNoStipple)
1595 globalstate |= RENDER_LINESTIPPLE|RENDER_POLYGONSTIPPLE;
1599 CamRenderer renderer(globalstate, m_state_select2, m_state_select1, m_view.getViewer());
1601 Scene_Render(renderer, m_view);
1603 renderer.render(m_Camera.modelview, m_Camera.projection);
1606 // prepare for 2d stuff
1607 glColor4f(1, 1, 1, 1);
1608 glDisable(GL_BLEND);
1609 glMatrixMode(GL_PROJECTION);
1611 glOrtho(0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100);
1613 glTranslatef(0, -(float)m_Camera.height, 0);
1614 glMatrixMode(GL_MODELVIEW);
1617 if(GlobalOpenGL().GL_1_3())
1619 glClientActiveTexture(GL_TEXTURE0);
1620 glActiveTexture(GL_TEXTURE0);
1623 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
1624 glDisableClientState(GL_NORMAL_ARRAY);
1625 glDisableClientState(GL_COLOR_ARRAY);
1627 glDisable(GL_TEXTURE_2D);
1628 glDisable(GL_LIGHTING);
1629 glDisable(GL_COLOR_MATERIAL);
1630 glDisable(GL_DEPTH_TEST);
1631 glColor3f( 1.f, 1.f, 1.f );
1634 // draw the crosshair
1637 glBegin( GL_LINES );
1638 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1639 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1640 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1641 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1642 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1643 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1644 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1645 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1649 glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 1.0f, 0.0f);
1650 extern const char* Renderer_GetStats();
1651 GlobalOpenGL().drawString(Renderer_GetStats());
1653 glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 11.0f, 0.0f);
1654 extern const char* Cull_GetStats();
1655 GlobalOpenGL().drawString(Cull_GetStats());
1657 // bind back to the default texture so that we don't have problems
1658 // elsewhere using/modifying texture maps between contexts
1659 glBindTexture( GL_TEXTURE_2D, 0 );
1666 //globalOutputStream() << "draw...\n";
1667 if (glwidget_make_current(m_gl_widget) != FALSE)
1669 if(Map_Valid(g_map) && ScreenUpdates_Enabled())
1671 GlobalOpenGL_debugAssertNoErrors();
1673 GlobalOpenGL_debugAssertNoErrors();
1676 m_XORRectangle.set(rectangle_t());
1679 glwidget_swap_buffers(m_gl_widget);
1685 void CamWnd::BenchMark()
1687 double dStart = Sys_DoubleTime();
1688 for (int i=0 ; i < 100 ; i++)
1691 angles[CAMERA_ROLL] = 0;
1692 angles[CAMERA_PITCH] = 0;
1693 angles[CAMERA_YAW] = static_cast<float>(i * (360.0 / 100.0));
1694 Camera_setAngles(*this, angles);
1696 double dEnd = Sys_DoubleTime();
1697 globalOutputStream() << FloatFormat(dEnd - dStart, 5, 2), " seconds\n";
1701 void fill_view_camera_menu(GtkMenu* menu)
1703 create_check_menu_item_with_mnemonic(menu, "Camera View", "ToggleCamera");
1706 void GlobalCamera_ResetAngles()
1708 CamWnd& camwnd = *g_camwnd;
1710 angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1711 angles[CAMERA_YAW] = static_cast<float>(22.5 * floor((Camera_getAngles(camwnd)[CAMERA_YAW]+11)/22.5));
1712 Camera_setAngles(camwnd, angles);
1715 void Camera_ChangeFloorUp()
1717 CamWnd& camwnd = *g_camwnd;
1718 camwnd.Cam_ChangeFloor (true);
1721 void Camera_ChangeFloorDown()
1723 CamWnd& camwnd = *g_camwnd;
1724 camwnd.Cam_ChangeFloor (false);
1727 void Camera_CubeIn()
1729 CamWnd& camwnd = *g_camwnd;
1730 g_camwindow_globals.m_nCubicScale--;
1731 if (g_camwindow_globals.m_nCubicScale < 1)
1732 g_camwindow_globals.m_nCubicScale = 1;
1733 Camera_updateProjection(camwnd.getCamera());
1734 CamWnd_Update(camwnd);
1735 g_pParentWnd->SetGridStatus();
1738 void Camera_CubeOut()
1740 CamWnd& camwnd = *g_camwnd;
1741 g_camwindow_globals.m_nCubicScale++;
1742 if (g_camwindow_globals.m_nCubicScale > 23)
1743 g_camwindow_globals.m_nCubicScale = 23;
1744 Camera_updateProjection(camwnd.getCamera());
1745 CamWnd_Update(camwnd);
1746 g_pParentWnd->SetGridStatus();
1749 bool Camera_GetFarClip()
1751 return g_camwindow_globals_private.m_bCubicClipping;
1754 BoolExportCaller g_getfarclip_caller(g_camwindow_globals_private.m_bCubicClipping);
1755 ToggleItem g_getfarclip_item(g_getfarclip_caller);
1757 void Camera_SetFarClip(bool value)
1759 CamWnd& camwnd = *g_camwnd;
1760 g_camwindow_globals_private.m_bCubicClipping = value;
1761 g_getfarclip_item.update();
1762 Camera_updateProjection(camwnd.getCamera());
1763 CamWnd_Update(camwnd);
1766 void Camera_ToggleFarClip()
1768 Camera_SetFarClip(!Camera_GetFarClip());
1772 void CamWnd_constructToolbar(GtkToolbar* toolbar)
1774 toolbar_append_toggle_button(toolbar, "Cubic clip the camera view", "view_cubicclipping.bmp", "ToggleCubicClip");
1777 void CamWnd_registerShortcuts()
1779 toggle_add_accelerator("ToggleCubicClip");
1781 if(g_pGameDescription->mGameType == "doom3")
1783 command_connect_accelerator("TogglePreview");
1788 void GlobalCamera_Benchmark()
1790 CamWnd& camwnd = *g_camwnd;
1794 void GlobalCamera_Update()
1796 CamWnd& camwnd = *g_camwnd;
1797 CamWnd_Update(camwnd);
1800 camera_draw_mode CamWnd_GetMode()
1802 return camera_t::draw_mode;
1804 void CamWnd_SetMode(camera_draw_mode mode)
1806 ShaderCache_setBumpEnabled(mode == cd_lighting);
1807 camera_t::draw_mode = mode;
1810 CamWnd_Update(*g_camwnd);
1814 void CamWnd_TogglePreview(void)
1816 // gametype must be doom3 for this function to work
1817 // if the gametype is not doom3 something is wrong with the
1818 // global command list or somebody else calls this function.
1819 ASSERT_MESSAGE(g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible");
1821 // switch between textured and lighting mode
1822 CamWnd_SetMode((CamWnd_GetMode() == cd_lighting) ? cd_texture : cd_lighting);
1826 CameraModel* g_camera_model = 0;
1828 void CamWnd_LookThroughCamera(CamWnd& camwnd)
1830 if(g_camera_model != 0)
1832 CamWnd_Add_Handlers_Move(camwnd);
1833 g_camera_model->setCameraView(0, Callback());
1835 Camera_updateModelview(camwnd.getCamera());
1836 Camera_updateProjection(camwnd.getCamera());
1837 CamWnd_Update(camwnd);
1841 inline CameraModel* Instance_getCameraModel(scene::Instance& instance)
1843 return InstanceTypeCast<CameraModel>::cast(instance);
1846 void CamWnd_LookThroughSelected(CamWnd& camwnd)
1848 if(g_camera_model != 0)
1850 CamWnd_LookThroughCamera(camwnd);
1853 if(GlobalSelectionSystem().countSelected() != 0)
1855 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1856 CameraModel* cameraModel = Instance_getCameraModel(instance);
1857 if(cameraModel != 0)
1859 CamWnd_Remove_Handlers_Move(camwnd);
1860 g_camera_model = cameraModel;
1861 g_camera_model->setCameraView(&camwnd.getCameraView(), ReferenceCaller<CamWnd, CamWnd_LookThroughCamera>(camwnd));
1866 void GlobalCamera_LookThroughSelected()
1868 CamWnd_LookThroughSelected(*g_camwnd);
1871 void GlobalCamera_LookThroughCamera()
1873 CamWnd_LookThroughCamera(*g_camwnd);
1877 void RenderModeImport(int value)
1882 CamWnd_SetMode(cd_wire);
1885 CamWnd_SetMode(cd_solid);
1888 CamWnd_SetMode(cd_texture);
1891 CamWnd_SetMode(cd_lighting);
1894 CamWnd_SetMode(cd_texture);
1897 typedef FreeCaller1<int, RenderModeImport> RenderModeImportCaller;
1899 void RenderModeExport(const IntImportCallback& importer)
1901 switch(CamWnd_GetMode())
1917 typedef FreeCaller1<const IntImportCallback&, RenderModeExport> RenderModeExportCaller;
1919 void Camera_constructPreferences(PreferencesPage& page)
1921 page.appendSlider("Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, 50, 300, 1, 10, 10);
1922 page.appendSlider("Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10, 10);
1923 page.appendCheckBox("", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse);
1924 page.appendCheckBox(
1925 "", "Discrete movement",
1926 FreeCaller1<bool, CamWnd_Move_Discrete_Import>(),
1927 BoolExportCaller(g_camwindow_globals_private.m_bCamDiscrete)
1929 page.appendCheckBox(
1930 "", "Enable far-clip plane",
1931 FreeCaller1<bool, Camera_SetFarClip>(),
1932 BoolExportCaller(g_camwindow_globals_private.m_bCubicClipping)
1935 if(g_pGameDescription->mGameType == "doom3")
1937 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1941 STRING_ARRAY_RANGE(render_mode),
1942 IntImportCallback(RenderModeImportCaller()),
1943 IntExportCallback(RenderModeExportCaller())
1948 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1952 STRING_ARRAY_RANGE(render_mode),
1953 IntImportCallback(RenderModeImportCaller()),
1954 IntExportCallback(RenderModeExportCaller())
1958 void Camera_constructPage(PreferenceGroup& group)
1960 PreferencesPage page(group.createPage("Camera", "Camera View Preferences"));
1961 Camera_constructPreferences(page);
1963 void Camera_registerPreferencesPage()
1965 PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Camera_constructPage>());
1968 #include "preferencesystem.h"
1969 #include "stringio.h"
1972 typedef FreeCaller1<bool, CamWnd_Move_Discrete_Import> CamWndMoveDiscreteImportCaller;
1974 /// \brief Initialisation for things that have the same lifespan as this module.
1975 void CamWnd_Construct()
1977 GlobalCommands_insert("CenterView", FreeCaller<GlobalCamera_ResetAngles>(), Accelerator(GDK_End));
1979 GlobalToggles_insert("ToggleCubicClip", FreeCaller<Camera_ToggleFarClip>(), ToggleItem::AddCallbackCaller(g_getfarclip_item), Accelerator('\\', (GdkModifierType)GDK_CONTROL_MASK));
1980 GlobalCommands_insert("CubicClipZoomIn", FreeCaller<Camera_CubeIn>(), Accelerator('[', (GdkModifierType)GDK_CONTROL_MASK));
1981 GlobalCommands_insert("CubicClipZoomOut", FreeCaller<Camera_CubeOut>(), Accelerator(']', (GdkModifierType)GDK_CONTROL_MASK));
1983 GlobalCommands_insert("UpFloor", FreeCaller<Camera_ChangeFloorUp>(), Accelerator(GDK_Prior));
1984 GlobalCommands_insert("DownFloor", FreeCaller<Camera_ChangeFloorDown>(), Accelerator(GDK_Next));
1986 GlobalToggles_insert("ToggleCamera", ToggleShown::ToggleCaller(g_camera_shown), ToggleItem::AddCallbackCaller(g_camera_shown.m_item), Accelerator('C', (GdkModifierType)(GDK_SHIFT_MASK|GDK_CONTROL_MASK)));
1987 GlobalCommands_insert("LookThroughSelected", FreeCaller<GlobalCamera_LookThroughSelected>());
1988 GlobalCommands_insert("LookThroughCamera", FreeCaller<GlobalCamera_LookThroughCamera>());
1990 if(g_pGameDescription->mGameType == "doom3")
1992 GlobalCommands_insert("TogglePreview", FreeCaller<CamWnd_TogglePreview>(), Accelerator(GDK_F3));
1995 GlobalShortcuts_insert("CameraForward", Accelerator(GDK_Up));
1996 GlobalShortcuts_insert("CameraBack", Accelerator(GDK_Down));
1997 GlobalShortcuts_insert("CameraLeft", Accelerator(GDK_Left));
1998 GlobalShortcuts_insert("CameraRight", Accelerator(GDK_Right));
1999 GlobalShortcuts_insert("CameraStrafeRight", Accelerator(GDK_period));
2000 GlobalShortcuts_insert("CameraStrafeLeft", Accelerator(GDK_comma));
2002 GlobalShortcuts_insert("CameraUp", Accelerator('D'));
2003 GlobalShortcuts_insert("CameraDown", Accelerator('C'));
2004 GlobalShortcuts_insert("CameraAngleUp", Accelerator('A'));
2005 GlobalShortcuts_insert("CameraAngleDown", Accelerator('Z'));
2007 GlobalShortcuts_insert("CameraFreeMoveForward", Accelerator(GDK_Up));
2008 GlobalShortcuts_insert("CameraFreeMoveBack", Accelerator(GDK_Down));
2009 GlobalShortcuts_insert("CameraFreeMoveLeft", Accelerator(GDK_Left));
2010 GlobalShortcuts_insert("CameraFreeMoveRight", Accelerator(GDK_Right));
2012 GlobalPreferenceSystem().registerPreference("MoveSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nMoveSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nMoveSpeed));
2013 GlobalPreferenceSystem().registerPreference("AngleSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nAngleSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nAngleSpeed));
2014 GlobalPreferenceSystem().registerPreference("CamInverseMouse", BoolImportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse), BoolExportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse));
2015 GlobalPreferenceSystem().registerPreference("CamDiscrete", makeBoolStringImportCallback(CamWndMoveDiscreteImportCaller()), BoolExportStringCaller(g_camwindow_globals_private.m_bCamDiscrete));
2016 GlobalPreferenceSystem().registerPreference("CubicClipping", BoolImportStringCaller(g_camwindow_globals_private.m_bCubicClipping), BoolExportStringCaller(g_camwindow_globals_private.m_bCubicClipping));
2017 GlobalPreferenceSystem().registerPreference("CubicScale", IntImportStringCaller(g_camwindow_globals.m_nCubicScale), IntExportStringCaller(g_camwindow_globals.m_nCubicScale));
2018 GlobalPreferenceSystem().registerPreference("SI_Colors4", Vector3ImportStringCaller(g_camwindow_globals.color_cameraback), Vector3ExportStringCaller(g_camwindow_globals.color_cameraback));
2019 GlobalPreferenceSystem().registerPreference("SI_Colors12", Vector3ImportStringCaller(g_camwindow_globals.color_selbrushes3d), Vector3ExportStringCaller(g_camwindow_globals.color_selbrushes3d));
2020 GlobalPreferenceSystem().registerPreference("CameraRenderMode", makeIntStringImportCallback(RenderModeImportCaller()), makeIntStringExportCallback(RenderModeExportCaller()));
2022 CamWnd_constructStatic();
2024 Camera_registerPreferencesPage();
2026 void CamWnd_Destroy()
2028 CamWnd_destroyStatic();