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;
85 camwindow_globals_private_t() :
88 m_bCamInverseMouse(false),
90 m_bCubicClipping(true),
97 camwindow_globals_private_t g_camwindow_globals_private;
100 const Matrix4 g_opengl2radiant(
107 const Matrix4 g_radiant2opengl(
115 void Camera_mouseMove(camera_t& camera, int x, int y);
117 enum camera_draw_mode
134 Vector3 color; // background
136 Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
137 Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
142 bool m_strafe; // true when in strafemode toggled by the ctrl-key
143 bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
145 unsigned int movementflags; // movement flags
146 Timer m_keycontrol_timer;
147 guint m_keymove_handler;
152 DeferredMotionDelta m_mouseMove;
154 static void motionDelta(int x, int y, void* data)
156 Camera_mouseMove(*reinterpret_cast<camera_t*>(data), x, y);
162 static camera_draw_mode draw_mode;
164 camera_t(View* view, const Callback& update)
172 m_keymove_handler(0),
174 m_mouseMove(motionDelta, this),
181 camera_draw_mode camera_t::draw_mode = cd_texture;
183 inline Matrix4 projection_for_camera(float near_z, float far_z, float fieldOfView, int width, int height)
185 const float half_width = static_cast<float>(near_z * tan(degrees_to_radians(fieldOfView * 0.5)));
186 const float half_height = half_width * (static_cast<float>(height) / static_cast<float>(width));
188 return matrix4_frustum(
198 float Camera_getFarClipPlane(camera_t& camera)
200 return (g_camwindow_globals_private.m_bCubicClipping)? pow(2.0, (g_camwindow_globals.m_nCubicScale + 7) / 2.0) : 32768.0f;
203 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);
208 camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
211 void Camera_updateVectors(camera_t& camera)
213 for (int i=0 ; i<3 ; i++)
215 camera.vright[i] = camera.modelview[(i<<2)+0];
216 camera.vup[i] = camera.modelview[(i<<2)+1];
217 camera.vpn[i] = camera.modelview[(i<<2)+2];
221 void Camera_updateModelview(camera_t& camera)
223 camera.modelview = g_matrix4_identity;
226 Vector3 radiant_eulerXYZ(0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW]);
228 matrix4_translate_by_vec3(camera.modelview, camera.origin);
229 matrix4_rotate_by_euler_xyz_degrees(camera.modelview, radiant_eulerXYZ);
230 matrix4_multiply_by_matrix4(camera.modelview, g_radiant2opengl);
231 matrix4_affine_invert(camera.modelview);
233 Camera_updateVectors(camera);
235 camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
239 void Camera_Move_updateAxes(camera_t& camera)
241 double ya = degrees_to_radians(camera.angles[CAMERA_YAW]);
243 // the movement matrix is kept 2d
244 camera.forward[0] = static_cast<float>(cos(ya));
245 camera.forward[1] = static_cast<float>(sin(ya));
246 camera.forward[2] = 0;
247 camera.right[0] = camera.forward[1];
248 camera.right[1] = -camera.forward[0];
251 void Camera_Freemove_updateAxes(camera_t& camera)
253 camera.right = camera.vright;
254 camera.forward = vector3_negated(camera.vpn);
257 const Vector3& Camera_getOrigin(camera_t& camera)
259 return camera.origin;
262 void Camera_setOrigin(camera_t& camera, const Vector3& origin)
264 camera.origin = origin;
265 Camera_updateModelview(camera);
270 const Vector3& Camera_getAngles(camera_t& camera)
272 return camera.angles;
275 void Camera_setAngles(camera_t& camera, const Vector3& angles)
277 camera.angles = angles;
278 Camera_updateModelview(camera);
284 void Camera_FreeMove(camera_t& camera, int dx, int dy)
286 // free strafe mode, toggled by the ctrl key with optional shift for forward movement
289 const float strafespeed = 0.65f;
291 camera.origin -= camera.vright * strafespeed * dx;
292 if(camera.m_strafe_forward)
293 camera.origin += camera.vpn * strafespeed * dy;
295 camera.origin += camera.vup * strafespeed * dy;
299 const float dtime = 0.1f;
301 if (g_camwindow_globals_private.m_bCamInverseMouse)
302 camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
304 camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
306 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
308 if (camera.angles[CAMERA_PITCH] > 90)
309 camera.angles[CAMERA_PITCH] = 90;
310 else if (camera.angles[CAMERA_PITCH] < -90)
311 camera.angles[CAMERA_PITCH] = -90;
313 if (camera.angles[CAMERA_YAW] >= 360)
314 camera.angles[CAMERA_YAW] -=360;
315 else if (camera.angles[CAMERA_YAW] <= 0)
316 camera.angles[CAMERA_YAW] +=360;
319 Camera_updateModelview(camera);
320 Camera_Freemove_updateAxes(camera);
323 void Cam_MouseControl(camera_t& camera, int x, int y)
329 xf = (float)(x - camera.width/2) / (camera.width/2);
330 yf = (float)(y - camera.height/2) / (camera.height/2);
334 yl = camera.height/3;
337 xf *= 1.0f - fabsf(yf);
351 vector3_add(camera.origin, vector3_scaled(camera.forward, yf * 0.1f* g_camwindow_globals_private.m_nMoveSpeed));
352 camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
354 Camera_updateModelview(camera);
357 void Camera_mouseMove(camera_t& camera, int x, int y)
359 //globalOutputStream() << "mousemove... ";
360 Camera_FreeMove(camera, -x, -y);
365 const unsigned int MOVE_NONE = 0;
366 const unsigned int MOVE_FORWARD = 1 << 0;
367 const unsigned int MOVE_BACK = 1 << 1;
368 const unsigned int MOVE_ROTRIGHT = 1 << 2;
369 const unsigned int MOVE_ROTLEFT = 1 << 3;
370 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
371 const unsigned int MOVE_STRAFELEFT = 1 << 5;
372 const unsigned int MOVE_UP = 1 << 6;
373 const unsigned int MOVE_DOWN = 1 << 7;
374 const unsigned int MOVE_PITCHUP = 1 << 8;
375 const unsigned int MOVE_PITCHDOWN = 1 << 9;
376 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;
378 void Cam_KeyControl(camera_t& camera, float dtime)
381 if (camera.movementflags & MOVE_ROTLEFT)
382 camera.angles[CAMERA_YAW] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
383 if (camera.movementflags & MOVE_ROTRIGHT)
384 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
385 if (camera.movementflags & MOVE_PITCHUP)
387 camera.angles[CAMERA_PITCH] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
388 if(camera.angles[CAMERA_PITCH] > 90)
389 camera.angles[CAMERA_PITCH] = 90;
391 if (camera.movementflags & MOVE_PITCHDOWN)
393 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
394 if(camera.angles[CAMERA_PITCH] < -90)
395 camera.angles[CAMERA_PITCH] = -90;
398 Camera_updateModelview(camera);
399 Camera_Freemove_updateAxes(camera);
402 if (camera.movementflags & MOVE_FORWARD)
403 vector3_add(camera.origin, vector3_scaled(camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed));
404 if (camera.movementflags & MOVE_BACK)
405 vector3_add(camera.origin, vector3_scaled(camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
406 if (camera.movementflags & MOVE_STRAFELEFT)
407 vector3_add(camera.origin, vector3_scaled(camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
408 if (camera.movementflags & MOVE_STRAFERIGHT)
409 vector3_add(camera.origin, vector3_scaled(camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed));
410 if (camera.movementflags & MOVE_UP)
411 vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed));
412 if (camera.movementflags & MOVE_DOWN)
413 vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
415 Camera_updateModelview(camera);
418 void Camera_keyMove(camera_t& camera)
420 camera.m_mouseMove.flush();
422 //globalOutputStream() << "keymove... ";
423 float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>(msec_per_sec);
424 camera.m_keycontrol_timer.start();
425 if(time_seconds > 0.05f)
427 time_seconds = 0.05f; // 20fps
429 Cam_KeyControl(camera, time_seconds * 5.0f);
435 gboolean camera_keymove(gpointer data)
437 Camera_keyMove(*reinterpret_cast<camera_t*>(data));
441 void Camera_setMovementFlags(camera_t& camera, unsigned int mask)
443 if((~camera.movementflags & mask) != 0 && camera.movementflags == 0)
445 camera.m_keymove_handler = g_idle_add(camera_keymove, &camera);
447 camera.movementflags |= mask;
449 void Camera_clearMovementFlags(camera_t& camera, unsigned int mask)
451 if((camera.movementflags & ~mask) == 0 && camera.movementflags != 0)
453 g_source_remove(camera.m_keymove_handler);
454 camera.m_keymove_handler = 0;
456 camera.movementflags &= ~mask;
459 void Camera_MoveForward_KeyDown(camera_t& camera)
461 Camera_setMovementFlags(camera, MOVE_FORWARD);
463 void Camera_MoveForward_KeyUp(camera_t& camera)
465 Camera_clearMovementFlags(camera, MOVE_FORWARD);
467 void Camera_MoveBack_KeyDown(camera_t& camera)
469 Camera_setMovementFlags(camera, MOVE_BACK);
471 void Camera_MoveBack_KeyUp(camera_t& camera)
473 Camera_clearMovementFlags(camera, MOVE_BACK);
476 void Camera_MoveLeft_KeyDown(camera_t& camera)
478 Camera_setMovementFlags(camera, MOVE_STRAFELEFT);
480 void Camera_MoveLeft_KeyUp(camera_t& camera)
482 Camera_clearMovementFlags(camera, MOVE_STRAFELEFT);
484 void Camera_MoveRight_KeyDown(camera_t& camera)
486 Camera_setMovementFlags(camera, MOVE_STRAFERIGHT);
488 void Camera_MoveRight_KeyUp(camera_t& camera)
490 Camera_clearMovementFlags(camera, MOVE_STRAFERIGHT);
493 void Camera_MoveUp_KeyDown(camera_t& camera)
495 Camera_setMovementFlags(camera, MOVE_UP);
497 void Camera_MoveUp_KeyUp(camera_t& camera)
499 Camera_clearMovementFlags(camera, MOVE_UP);
501 void Camera_MoveDown_KeyDown(camera_t& camera)
503 Camera_setMovementFlags(camera, MOVE_DOWN);
505 void Camera_MoveDown_KeyUp(camera_t& camera)
507 Camera_clearMovementFlags(camera, MOVE_DOWN);
510 void Camera_RotateLeft_KeyDown(camera_t& camera)
512 Camera_setMovementFlags(camera, MOVE_ROTLEFT);
514 void Camera_RotateLeft_KeyUp(camera_t& camera)
516 Camera_clearMovementFlags(camera, MOVE_ROTLEFT);
518 void Camera_RotateRight_KeyDown(camera_t& camera)
520 Camera_setMovementFlags(camera, MOVE_ROTRIGHT);
522 void Camera_RotateRight_KeyUp(camera_t& camera)
524 Camera_clearMovementFlags(camera, MOVE_ROTRIGHT);
527 void Camera_PitchUp_KeyDown(camera_t& camera)
529 Camera_setMovementFlags(camera, MOVE_PITCHUP);
531 void Camera_PitchUp_KeyUp(camera_t& camera)
533 Camera_clearMovementFlags(camera, MOVE_PITCHUP);
535 void Camera_PitchDown_KeyDown(camera_t& camera)
537 Camera_setMovementFlags(camera, MOVE_PITCHDOWN);
539 void Camera_PitchDown_KeyUp(camera_t& camera)
541 Camera_clearMovementFlags(camera, MOVE_PITCHDOWN);
545 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
546 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
547 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
548 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
549 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
550 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
551 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
552 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
553 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
554 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
555 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
556 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
559 #define SPEED_MOVE 32
560 #define SPEED_TURN 22.5
562 void Camera_MoveForward_Discrete(camera_t& camera)
564 Camera_Move_updateAxes(camera);
565 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, SPEED_MOVE)));
567 void Camera_MoveBack_Discrete(camera_t& camera)
569 Camera_Move_updateAxes(camera);
570 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, -SPEED_MOVE)));
573 void Camera_MoveUp_Discrete(camera_t& camera)
575 Vector3 origin(Camera_getOrigin(camera));
576 origin[2] += SPEED_MOVE;
577 Camera_setOrigin(camera, origin);
579 void Camera_MoveDown_Discrete(camera_t& camera)
581 Vector3 origin(Camera_getOrigin(camera));
582 origin[2] -= SPEED_MOVE;
583 Camera_setOrigin(camera, origin);
586 void Camera_MoveLeft_Discrete(camera_t& camera)
588 Camera_Move_updateAxes(camera);
589 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, -SPEED_MOVE)));
591 void Camera_MoveRight_Discrete(camera_t& camera)
593 Camera_Move_updateAxes(camera);
594 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, SPEED_MOVE)));
597 void Camera_RotateLeft_Discrete(camera_t& camera)
599 Vector3 angles(Camera_getAngles(camera));
600 angles[CAMERA_YAW] += SPEED_TURN;
601 Camera_setAngles(camera, angles);
603 void Camera_RotateRight_Discrete(camera_t& camera)
605 Vector3 angles(Camera_getAngles(camera));
606 angles[CAMERA_YAW] -= SPEED_TURN;
607 Camera_setAngles(camera, angles);
610 void Camera_PitchUp_Discrete(camera_t& camera)
612 Vector3 angles(Camera_getAngles(camera));
613 angles[CAMERA_PITCH] += SPEED_TURN;
614 if (angles[CAMERA_PITCH] > 90)
615 angles[CAMERA_PITCH] = 90;
616 Camera_setAngles(camera, angles);
618 void Camera_PitchDown_Discrete(camera_t& camera)
620 Vector3 angles(Camera_getAngles(camera));
621 angles[CAMERA_PITCH] -= SPEED_TURN;
622 if (angles[CAMERA_PITCH] < -90)
623 angles[CAMERA_PITCH] = -90;
624 Camera_setAngles(camera, angles);
628 class RadiantCameraView : public CameraView
634 RadiantCameraView(camera_t& camera, View* view, const Callback& update) : m_camera(camera), m_view(view), m_update(update)
639 m_view->Construct(m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height);
642 void setModelview(const Matrix4& modelview)
644 m_camera.modelview = modelview;
645 matrix4_multiply_by_matrix4(m_camera.modelview, g_radiant2opengl);
646 matrix4_affine_invert(m_camera.modelview);
647 Camera_updateVectors(m_camera);
650 void setFieldOfView(float fieldOfView)
652 float farClip = Camera_getFarClipPlane(m_camera);
653 m_camera.projection = projection_for_camera(farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height);
659 void Camera_motionDelta(int x, int y, unsigned int state, void* data)
661 camera_t* cam = reinterpret_cast<camera_t*>(data);
663 cam->m_mouseMove.motion_delta(x, y, state);
664 cam->m_strafe = (state & GDK_CONTROL_MASK) != 0;
667 cam->m_strafe_forward = (state & GDK_SHIFT_MASK) != 0;
669 cam->m_strafe_forward = false;
676 RadiantCameraView m_cameraview;
678 int m_PositionDragCursorX;
679 int m_PositionDragCursorY;
682 guint m_freemove_handle_focusout;
684 static Shader* m_state_select1;
685 static Shader* m_state_select2;
687 FreezePointer m_freezePointer;
690 GtkWidget* m_gl_widget;
693 SelectionSystemWindowObserver* m_window_observer;
694 XORRectangle m_XORRectangle;
696 DeferredDraw m_deferredDraw;
697 DeferredMotion m_deferred_motion;
699 guint m_selection_button_press_handler;
700 guint m_selection_button_release_handler;
701 guint m_selection_motion_handler;
703 guint m_freelook_button_press_handler;
706 guint m_exposeHandler;
714 //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
719 //globalOutputStream() << "queue... ";
720 m_deferredDraw.draw();
724 static void captureStates()
726 m_state_select1 = GlobalShaderCache().capture("$CAM_HIGHLIGHT");
727 m_state_select2 = GlobalShaderCache().capture("$CAM_OVERLAY");
729 static void releaseStates()
731 GlobalShaderCache().release("$CAM_HIGHLIGHT");
732 GlobalShaderCache().release("$CAM_OVERLAY");
735 camera_t& getCamera()
741 void Cam_ChangeFloor(bool up);
743 void DisableFreeMove();
744 void EnableFreeMove();
747 CameraView& getCameraView()
756 typedef MemberCaller<CamWnd, &CamWnd::queue_draw> CamWndQueueDraw;
758 Shader* CamWnd::m_state_select1 = 0;
759 Shader* CamWnd::m_state_select2 = 0;
765 void DeleteCamWnd(CamWnd* camwnd)
770 void CamWnd_constructStatic()
772 CamWnd::captureStates();
775 void CamWnd_destroyStatic()
777 CamWnd::releaseStates();
780 static CamWnd* g_camwnd = 0;
782 void GlobalCamera_setCamWnd(CamWnd& camwnd)
788 GtkWidget* CamWnd_getWidget(CamWnd& camwnd)
790 return camwnd.m_gl_widget;
793 GtkWindow* CamWnd_getParent(CamWnd& camwnd)
795 return camwnd.m_parent;
798 ToggleShown g_camera_shown(true);
800 void CamWnd_setParent(CamWnd& camwnd, GtkWindow* parent)
802 camwnd.m_parent = parent;
803 g_camera_shown.connect(GTK_WIDGET(camwnd.m_parent));
806 void CamWnd_Update(CamWnd& camwnd)
813 camwindow_globals_t g_camwindow_globals;
815 const Vector3& Camera_getOrigin(CamWnd& camwnd)
817 return Camera_getOrigin(camwnd.getCamera());
820 void Camera_setOrigin(CamWnd& camwnd, const Vector3& origin)
822 Camera_setOrigin(camwnd.getCamera(), origin);
825 const Vector3& Camera_getAngles(CamWnd& camwnd)
827 return Camera_getAngles(camwnd.getCamera());
830 void Camera_setAngles(CamWnd& camwnd, const Vector3& angles)
832 Camera_setAngles(camwnd.getCamera(), angles);
836 // =============================================================================
839 gboolean enable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
841 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
843 camwnd->EnableFreeMove();
849 gboolean disable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
851 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
853 camwnd->DisableFreeMove();
860 gboolean mousecontrol_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
862 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
864 Cam_MouseControl(camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y);
870 void camwnd_update_xor_rectangle(CamWnd& self, rect_t area)
872 if(GTK_WIDGET_VISIBLE(self.m_gl_widget))
874 self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.getCamera().width, self.getCamera().height));
879 gboolean selection_button_press(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
881 if(event->type == GDK_BUTTON_PRESS)
883 observer->onMouseDown(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
888 gboolean selection_button_release(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
890 if(event->type == GDK_BUTTON_RELEASE)
892 observer->onMouseUp(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
897 void selection_motion(gdouble x, gdouble y, guint state, void* data)
899 //globalOutputStream() << "motion... ";
900 reinterpret_cast<WindowObserver*>(data)->onMouseMotion(WindowVector_forDouble(x, y), modifiers_for_state(state));
903 inline WindowVector windowvector_for_widget_centre(GtkWidget* widget)
905 return WindowVector(static_cast<float>(widget->allocation.width / 2), static_cast<float>(widget->allocation.height / 2));
908 gboolean selection_button_press_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
910 if(event->type == GDK_BUTTON_PRESS)
912 observer->onMouseDown(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
917 gboolean selection_button_release_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
919 if(event->type == GDK_BUTTON_RELEASE)
921 observer->onMouseUp(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
926 gboolean selection_motion_freemove(GtkWidget *widget, GdkEventMotion *event, WindowObserver* observer)
928 observer->onMouseMotion(windowvector_for_widget_centre(widget), modifiers_for_state(event->state));
932 gboolean wheelmove_scroll(GtkWidget* widget, GdkEventScroll* event, CamWnd* camwnd)
934 if(event->direction == GDK_SCROLL_UP)
936 Camera_Freemove_updateAxes(camwnd->getCamera());
937 Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
939 else if(event->direction == GDK_SCROLL_DOWN)
941 Camera_Freemove_updateAxes(camwnd->getCamera());
942 Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, -static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
948 gboolean camera_size_allocate(GtkWidget* widget, GtkAllocation* allocation, CamWnd* camwnd)
950 camwnd->getCamera().width = allocation->width;
951 camwnd->getCamera().height = allocation->height;
952 Camera_updateProjection(camwnd->getCamera());
953 camwnd->m_window_observer->onSizeChanged(camwnd->getCamera().width, camwnd->getCamera().height);
954 camwnd->queue_draw();
958 gboolean camera_expose(GtkWidget* widget, GdkEventExpose* event, gpointer data)
960 reinterpret_cast<CamWnd*>(data)->draw();
964 void KeyEvent_connect(const char* name)
966 const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
967 keydown_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyDown);
968 keyup_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyUp);
971 void KeyEvent_disconnect(const char* name)
973 const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
974 keydown_accelerators_remove(keyEvent.m_accelerator);
975 keyup_accelerators_remove(keyEvent.m_accelerator);
978 void CamWnd_registerCommands(CamWnd& camwnd)
980 GlobalKeyEvents_insert("CameraForward", Accelerator(GDK_Up),
981 ReferenceCaller<camera_t, Camera_MoveForward_KeyDown>(camwnd.getCamera()),
982 ReferenceCaller<camera_t, Camera_MoveForward_KeyUp>(camwnd.getCamera())
984 GlobalKeyEvents_insert("CameraBack", Accelerator(GDK_Down),
985 ReferenceCaller<camera_t, Camera_MoveBack_KeyDown>(camwnd.getCamera()),
986 ReferenceCaller<camera_t, Camera_MoveBack_KeyUp>(camwnd.getCamera())
988 GlobalKeyEvents_insert("CameraLeft", Accelerator(GDK_Left),
989 ReferenceCaller<camera_t, Camera_RotateLeft_KeyDown>(camwnd.getCamera()),
990 ReferenceCaller<camera_t, Camera_RotateLeft_KeyUp>(camwnd.getCamera())
992 GlobalKeyEvents_insert("CameraRight", Accelerator(GDK_Right),
993 ReferenceCaller<camera_t, Camera_RotateRight_KeyDown>(camwnd.getCamera()),
994 ReferenceCaller<camera_t, Camera_RotateRight_KeyUp>(camwnd.getCamera())
996 GlobalKeyEvents_insert("CameraStrafeRight", Accelerator(GDK_period),
997 ReferenceCaller<camera_t, Camera_MoveRight_KeyDown>(camwnd.getCamera()),
998 ReferenceCaller<camera_t, Camera_MoveRight_KeyUp>(camwnd.getCamera())
1000 GlobalKeyEvents_insert("CameraStrafeLeft", Accelerator(GDK_comma),
1001 ReferenceCaller<camera_t, Camera_MoveLeft_KeyDown>(camwnd.getCamera()),
1002 ReferenceCaller<camera_t, Camera_MoveLeft_KeyUp>(camwnd.getCamera())
1004 GlobalKeyEvents_insert("CameraUp", Accelerator('D'),
1005 ReferenceCaller<camera_t, Camera_MoveUp_KeyDown>(camwnd.getCamera()),
1006 ReferenceCaller<camera_t, Camera_MoveUp_KeyUp>(camwnd.getCamera())
1008 GlobalKeyEvents_insert("CameraDown", Accelerator('C'),
1009 ReferenceCaller<camera_t, Camera_MoveDown_KeyDown>(camwnd.getCamera()),
1010 ReferenceCaller<camera_t, Camera_MoveDown_KeyUp>(camwnd.getCamera())
1012 GlobalKeyEvents_insert("CameraAngleDown", Accelerator('A'),
1013 ReferenceCaller<camera_t, Camera_PitchDown_KeyDown>(camwnd.getCamera()),
1014 ReferenceCaller<camera_t, Camera_PitchDown_KeyUp>(camwnd.getCamera())
1016 GlobalKeyEvents_insert("CameraAngleUp", Accelerator('Z'),
1017 ReferenceCaller<camera_t, Camera_PitchUp_KeyDown>(camwnd.getCamera()),
1018 ReferenceCaller<camera_t, Camera_PitchUp_KeyUp>(camwnd.getCamera())
1021 GlobalKeyEvents_insert("CameraFreeMoveForward", Accelerator(GDK_Up),
1022 FreeMoveCameraMoveForwardKeyDownCaller(camwnd.getCamera()),
1023 FreeMoveCameraMoveForwardKeyUpCaller(camwnd.getCamera())
1025 GlobalKeyEvents_insert("CameraFreeMoveBack", Accelerator(GDK_Down),
1026 FreeMoveCameraMoveBackKeyDownCaller(camwnd.getCamera()),
1027 FreeMoveCameraMoveBackKeyUpCaller(camwnd.getCamera())
1029 GlobalKeyEvents_insert("CameraFreeMoveLeft", Accelerator(GDK_Left),
1030 FreeMoveCameraMoveLeftKeyDownCaller(camwnd.getCamera()),
1031 FreeMoveCameraMoveLeftKeyUpCaller(camwnd.getCamera())
1033 GlobalKeyEvents_insert("CameraFreeMoveRight", Accelerator(GDK_Right),
1034 FreeMoveCameraMoveRightKeyDownCaller(camwnd.getCamera()),
1035 FreeMoveCameraMoveRightKeyUpCaller(camwnd.getCamera())
1037 GlobalKeyEvents_insert("CameraFreeMoveUp", Accelerator('D'),
1038 FreeMoveCameraMoveUpKeyDownCaller(camwnd.getCamera()),
1039 FreeMoveCameraMoveUpKeyUpCaller(camwnd.getCamera())
1041 GlobalKeyEvents_insert("CameraFreeMoveDown", Accelerator('C'),
1042 FreeMoveCameraMoveDownKeyDownCaller(camwnd.getCamera()),
1043 FreeMoveCameraMoveDownKeyUpCaller(camwnd.getCamera())
1046 GlobalCommands_insert("CameraForward", ReferenceCaller<camera_t, Camera_MoveForward_Discrete>(camwnd.getCamera()), Accelerator(GDK_Up));
1047 GlobalCommands_insert("CameraBack", ReferenceCaller<camera_t, Camera_MoveBack_Discrete>(camwnd.getCamera()), Accelerator(GDK_Down));
1048 GlobalCommands_insert("CameraLeft", ReferenceCaller<camera_t, Camera_RotateLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_Left));
1049 GlobalCommands_insert("CameraRight", ReferenceCaller<camera_t, Camera_RotateRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_Right));
1050 GlobalCommands_insert("CameraStrafeRight", ReferenceCaller<camera_t, Camera_MoveRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_period));
1051 GlobalCommands_insert("CameraStrafeLeft", ReferenceCaller<camera_t, Camera_MoveLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_comma));
1053 GlobalCommands_insert("CameraUp", ReferenceCaller<camera_t, Camera_MoveUp_Discrete>(camwnd.getCamera()), Accelerator('D'));
1054 GlobalCommands_insert("CameraDown", ReferenceCaller<camera_t, Camera_MoveDown_Discrete>(camwnd.getCamera()), Accelerator('C'));
1055 GlobalCommands_insert("CameraAngleUp", ReferenceCaller<camera_t, Camera_PitchUp_Discrete>(camwnd.getCamera()), Accelerator('A'));
1056 GlobalCommands_insert("CameraAngleDown", ReferenceCaller<camera_t, Camera_PitchDown_Discrete>(camwnd.getCamera()), Accelerator('Z'));
1059 void CamWnd_Move_Enable(CamWnd& camwnd)
1061 KeyEvent_connect("CameraForward");
1062 KeyEvent_connect("CameraBack");
1063 KeyEvent_connect("CameraLeft");
1064 KeyEvent_connect("CameraRight");
1065 KeyEvent_connect("CameraStrafeRight");
1066 KeyEvent_connect("CameraStrafeLeft");
1067 KeyEvent_connect("CameraUp");
1068 KeyEvent_connect("CameraDown");
1069 KeyEvent_connect("CameraAngleUp");
1070 KeyEvent_connect("CameraAngleDown");
1073 void CamWnd_Move_Disable(CamWnd& camwnd)
1075 KeyEvent_disconnect("CameraForward");
1076 KeyEvent_disconnect("CameraBack");
1077 KeyEvent_disconnect("CameraLeft");
1078 KeyEvent_disconnect("CameraRight");
1079 KeyEvent_disconnect("CameraStrafeRight");
1080 KeyEvent_disconnect("CameraStrafeLeft");
1081 KeyEvent_disconnect("CameraUp");
1082 KeyEvent_disconnect("CameraDown");
1083 KeyEvent_disconnect("CameraAngleUp");
1084 KeyEvent_disconnect("CameraAngleDown");
1087 void CamWnd_Move_Discrete_Enable(CamWnd& camwnd)
1089 command_connect_accelerator("CameraForward");
1090 command_connect_accelerator("CameraBack");
1091 command_connect_accelerator("CameraLeft");
1092 command_connect_accelerator("CameraRight");
1093 command_connect_accelerator("CameraStrafeRight");
1094 command_connect_accelerator("CameraStrafeLeft");
1095 command_connect_accelerator("CameraUp");
1096 command_connect_accelerator("CameraDown");
1097 command_connect_accelerator("CameraAngleUp");
1098 command_connect_accelerator("CameraAngleDown");
1101 void CamWnd_Move_Discrete_Disable(CamWnd& camwnd)
1103 command_disconnect_accelerator("CameraForward");
1104 command_disconnect_accelerator("CameraBack");
1105 command_disconnect_accelerator("CameraLeft");
1106 command_disconnect_accelerator("CameraRight");
1107 command_disconnect_accelerator("CameraStrafeRight");
1108 command_disconnect_accelerator("CameraStrafeLeft");
1109 command_disconnect_accelerator("CameraUp");
1110 command_disconnect_accelerator("CameraDown");
1111 command_disconnect_accelerator("CameraAngleUp");
1112 command_disconnect_accelerator("CameraAngleDown");
1115 void CamWnd_Move_Discrete_Import(CamWnd& camwnd, bool value)
1117 if(g_camwindow_globals_private.m_bCamDiscrete)
1119 CamWnd_Move_Discrete_Disable(camwnd);
1123 CamWnd_Move_Disable(camwnd);
1126 g_camwindow_globals_private.m_bCamDiscrete = value;
1128 if(g_camwindow_globals_private.m_bCamDiscrete)
1130 CamWnd_Move_Discrete_Enable(camwnd);
1134 CamWnd_Move_Enable(camwnd);
1138 void CamWnd_Move_Discrete_Import(bool value)
1142 CamWnd_Move_Discrete_Import(*g_camwnd, value);
1146 g_camwindow_globals_private.m_bCamDiscrete = value;
1152 void CamWnd_Add_Handlers_Move(CamWnd& camwnd)
1154 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);
1155 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);
1156 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);
1158 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);
1160 if(g_camwindow_globals_private.m_bCamDiscrete)
1162 CamWnd_Move_Discrete_Enable(camwnd);
1166 CamWnd_Move_Enable(camwnd);
1170 void CamWnd_Remove_Handlers_Move(CamWnd& camwnd)
1172 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
1173 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
1174 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
1176 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
1178 if(g_camwindow_globals_private.m_bCamDiscrete)
1180 CamWnd_Move_Discrete_Disable(camwnd);
1184 CamWnd_Move_Disable(camwnd);
1188 void CamWnd_Add_Handlers_FreeMove(CamWnd& camwnd)
1190 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);
1191 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);
1192 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);
1194 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);
1196 KeyEvent_connect("CameraFreeMoveForward");
1197 KeyEvent_connect("CameraFreeMoveBack");
1198 KeyEvent_connect("CameraFreeMoveLeft");
1199 KeyEvent_connect("CameraFreeMoveRight");
1200 KeyEvent_connect("CameraFreeMoveUp");
1201 KeyEvent_connect("CameraFreeMoveDown");
1204 void CamWnd_Remove_Handlers_FreeMove(CamWnd& camwnd)
1206 KeyEvent_disconnect("CameraFreeMoveForward");
1207 KeyEvent_disconnect("CameraFreeMoveBack");
1208 KeyEvent_disconnect("CameraFreeMoveLeft");
1209 KeyEvent_disconnect("CameraFreeMoveRight");
1210 KeyEvent_disconnect("CameraFreeMoveUp");
1211 KeyEvent_disconnect("CameraFreeMoveDown");
1213 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
1214 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
1215 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
1217 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
1222 m_Camera(&m_view, CamWndQueueDraw(*this)),
1223 m_cameraview(m_Camera, &m_view, ReferenceCaller<CamWnd, CamWnd_Update>(*this)),
1224 m_gl_widget(glwidget_new(TRUE)),
1225 m_window_observer(NewWindowObserver()),
1226 m_XORRectangle(m_gl_widget),
1227 m_deferredDraw(WidgetQueueDrawCaller(*m_gl_widget)),
1228 m_deferred_motion(selection_motion, m_window_observer),
1229 m_selection_button_press_handler(0),
1230 m_selection_button_release_handler(0),
1231 m_selection_motion_handler(0),
1232 m_freelook_button_press_handler(0),
1235 m_bFreeMove = false;
1237 GlobalWindowObservers_add(m_window_observer);
1238 GlobalWindowObservers_connectWidget(m_gl_widget);
1240 m_window_observer->setRectangleDrawCallback(ReferenceCaller1<CamWnd, rect_t, camwnd_update_xor_rectangle>(*this));
1241 m_window_observer->setView(m_view);
1243 gtk_widget_ref(m_gl_widget);
1245 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);
1246 GTK_WIDGET_SET_FLAGS (m_gl_widget, GTK_CAN_FOCUS);
1248 m_sizeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "size_allocate", G_CALLBACK(camera_size_allocate), this);
1249 m_exposeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "expose_event", G_CALLBACK(camera_expose), this);
1251 Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
1253 CamWnd_registerCommands(*this);
1255 CamWnd_Add_Handlers_Move(*this);
1257 g_signal_connect(G_OBJECT(m_gl_widget), "scroll_event", G_CALLBACK(wheelmove_scroll), this);
1259 AddSceneChangeCallback(ReferenceCaller<CamWnd, CamWnd_Update>(*this));
1261 PressedButtons_connect(g_pressedButtons, m_gl_widget);
1271 CamWnd_Remove_Handlers_Move(*this);
1273 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
1274 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
1276 gtk_widget_unref(m_gl_widget);
1278 m_window_observer->release();
1281 class FloorHeightWalker : public scene::Graph::Walker
1287 FloorHeightWalker(float current, float& bestUp, float& bestDown) :
1288 m_current(current), m_bestUp(bestUp), m_bestDown(bestDown)
1290 bestUp = g_MaxWorldCoord;
1291 bestDown = -g_MaxWorldCoord;
1293 bool pre(const scene::Path& path, scene::Instance& instance) const
1295 if(path.top().get().visible()
1296 && Node_isBrush(path.top())) // this node is a floor
1298 const AABB& aabb = instance.worldAABB();
1299 float floorHeight = aabb.origin.z() + aabb.extents.z();
1300 if(floorHeight > m_current && floorHeight < m_bestUp)
1302 m_bestUp = floorHeight;
1304 if(floorHeight < m_current && floorHeight > m_bestDown)
1306 m_bestDown = floorHeight;
1313 void CamWnd::Cam_ChangeFloor(bool up)
1315 float current = m_Camera.origin[2] - 48;
1318 GlobalSceneGraph().traverse(FloorHeightWalker(current, bestUp, bestDown));
1320 if(up && bestUp != g_MaxWorldCoord)
1324 if(!up && bestDown != -g_MaxWorldCoord)
1329 m_Camera.origin[2] = current + 48;
1330 Camera_updateModelview(getCamera());
1331 CamWnd_Update(*this);
1332 CameraMovedNotify();
1339 Sys_GetCursorPos(&m_PositionDragCursorX, &m_PositionDragCursorY);
1342 if ( (m_bFreeMove && (buttons == (RAD_CONTROL|RAD_SHIFT)))
1343 || (!m_bFreeMove && (buttons == (RAD_RBUTTON|RAD_CONTROL))) )
1346 CamWnd_Update(camwnd);
1347 CameraMovedNotify();
1351 void CamWnd::Cam_PositionDrag()
1355 Sys_GetCursorPos(GTK_WINDOW(m_gl_widget), &x, &y);
1356 if (x != m_PositionDragCursorX || y != m_PositionDragCursorY)
1358 x -= m_PositionDragCursorX;
1359 vector3_add(m_Camera.origin, vector3_scaled(m_Camera.vright, x));
1360 y -= m_PositionDragCursorY;
1361 m_Camera.origin[2] -= y;
1362 Camera_updateModelview();
1363 CamWnd_Update(camwnd);
1364 CameraMovedNotify();
1366 Sys_SetCursorPos(GTK_WINDOW(m_parent), m_PositionDragCursorX, m_PositionDragCursorY);
1372 // NOTE TTimo if there's an OS-level focus out of the application
1373 // then we can release the camera cursor grab
1374 static gboolean camwindow_freemove_focusout(GtkWidget* widget, GdkEventFocus* event, gpointer data)
1376 reinterpret_cast<CamWnd*>(data)->DisableFreeMove();
1380 void CamWnd::EnableFreeMove()
1382 //globalOutputStream() << "EnableFreeMove\n";
1384 ASSERT_MESSAGE(!m_bFreeMove, "EnableFreeMove: free-move was already enabled");
1386 Camera_clearMovementFlags(getCamera(), MOVE_ALL);
1388 CamWnd_Remove_Handlers_Move(*this);
1389 CamWnd_Add_Handlers_FreeMove(*this);
1391 gtk_window_set_focus(m_parent, m_gl_widget);
1392 m_freemove_handle_focusout = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(camwindow_freemove_focusout), this);
1393 m_freezePointer.freeze_pointer(m_parent, Camera_motionDelta, &m_Camera);
1395 CamWnd_Update(*this);
1398 void CamWnd::DisableFreeMove()
1400 //globalOutputStream() << "DisableFreeMove\n";
1402 ASSERT_MESSAGE(m_bFreeMove, "DisableFreeMove: free-move was not enabled");
1403 m_bFreeMove = false;
1404 Camera_clearMovementFlags(getCamera(), MOVE_ALL);
1406 CamWnd_Remove_Handlers_FreeMove(*this);
1407 CamWnd_Add_Handlers_Move(*this);
1409 m_freezePointer.unfreeze_pointer(m_parent);
1410 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_freemove_handle_focusout);
1412 CamWnd_Update(*this);
1416 #include "renderer.h"
1418 class CamRenderer: public Renderer
1422 state_type() : m_highlight(0), m_state(0), m_lights(0)
1425 unsigned int m_highlight;
1427 const LightList* m_lights;
1430 std::vector<state_type> m_state_stack;
1431 RenderStateFlags m_globalstate;
1432 Shader* m_state_select0;
1433 Shader* m_state_select1;
1434 const Vector3& m_viewer;
1437 CamRenderer(RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer) :
1438 m_globalstate(globalstate),
1439 m_state_select0(select0),
1440 m_state_select1(select1),
1443 ASSERT_NOTNULL(select0);
1444 ASSERT_NOTNULL(select1);
1445 m_state_stack.push_back(state_type());
1448 void SetState(Shader* state, EStyle style)
1450 ASSERT_NOTNULL(state);
1451 if(style == eFullMaterials)
1453 m_state_stack.back().m_state = state;
1456 const EStyle getStyle() const
1458 return eFullMaterials;
1462 m_state_stack.push_back(m_state_stack.back());
1466 ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
1467 m_state_stack.pop_back();
1469 void Highlight(EHighlightMode mode, bool bEnable = true)
1472 ? m_state_stack.back().m_highlight |= mode
1473 : m_state_stack.back().m_highlight &= ~mode;
1475 void setLights(const LightList& lights)
1477 m_state_stack.back().m_lights = &lights;
1479 void addRenderable(const OpenGLRenderable& renderable, const Matrix4& world)
1481 if(m_state_stack.back().m_highlight & ePrimitive)
1483 m_state_select0->addRenderable(renderable, world, m_state_stack.back().m_lights);
1485 if(m_state_stack.back().m_highlight & eFace)
1487 m_state_select1->addRenderable(renderable, world, m_state_stack.back().m_lights);
1490 m_state_stack.back().m_state->addRenderable(renderable, world, m_state_stack.back().m_lights);
1493 void render(const Matrix4& modelview, const Matrix4& projection)
1495 GlobalShaderCache().render(m_globalstate, modelview, projection, m_viewer);
1505 void ShowStatsToggle()
1507 g_camwindow_globals_private.m_showStats ^= 1;
1509 typedef FreeCaller<ShowStatsToggle> ShowStatsToggleCaller;
1511 void ShowStatsExport(const BoolImportCallback& importer)
1513 importer(g_camwindow_globals_private.m_showStats);
1515 typedef FreeCaller1<const BoolImportCallback&, ShowStatsExport> ShowStatsExportCaller;
1517 ShowStatsExportCaller g_show_stats_caller;
1518 BoolExportCallback g_show_stats_callback(g_show_stats_caller);
1519 ToggleItem g_show_stats(g_show_stats_callback);
1521 void CamWnd::Cam_Draw()
1523 glViewport(0, 0, m_Camera.width, m_Camera.height);
1526 glGetIntegerv (GL_VIEWPORT, viewprt);
1529 // enable depth buffer writes
1530 glDepthMask(GL_TRUE);
1532 Vector3 clearColour(0, 0, 0);
1533 if(m_Camera.draw_mode != cd_lighting)
1535 clearColour = g_camwindow_globals.color_cameraback;
1538 glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
1539 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
1541 extern void Renderer_ResetStats();
1542 Renderer_ResetStats();
1543 extern void Cull_ResetStats();
1546 glMatrixMode(GL_PROJECTION);
1547 glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.projection));
1549 glMatrixMode(GL_MODELVIEW);
1550 glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.modelview));
1553 // one directional light source directly behind the viewer
1555 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4];//, material[4];
1557 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1559 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1561 //material[0] = material[1] = material[2] = 0.8f;
1562 //material[3] = 1.0f;
1564 inverse_cam_dir[0] = m_Camera.vpn[0];
1565 inverse_cam_dir[1] = m_Camera.vpn[1];
1566 inverse_cam_dir[2] = m_Camera.vpn[2];
1567 inverse_cam_dir[3] = 0;
1569 glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
1571 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
1572 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
1574 glEnable(GL_LIGHT0);
1578 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;
1579 switch (m_Camera.draw_mode)
1584 globalstate |= RENDER_FILL
1590 globalstate |= RENDER_FILL
1597 globalstate |= RENDER_FILL
1611 if(!g_xywindow_globals.m_bNoStipple)
1613 globalstate |= RENDER_LINESTIPPLE|RENDER_POLYGONSTIPPLE;
1617 CamRenderer renderer(globalstate, m_state_select2, m_state_select1, m_view.getViewer());
1619 Scene_Render(renderer, m_view);
1621 renderer.render(m_Camera.modelview, m_Camera.projection);
1624 // prepare for 2d stuff
1625 glColor4f(1, 1, 1, 1);
1626 glDisable(GL_BLEND);
1627 glMatrixMode(GL_PROJECTION);
1629 glOrtho(0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100);
1631 glTranslatef(0, -(float)m_Camera.height, 0);
1632 glMatrixMode(GL_MODELVIEW);
1635 if(GlobalOpenGL().GL_1_3())
1637 glClientActiveTexture(GL_TEXTURE0);
1638 glActiveTexture(GL_TEXTURE0);
1641 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
1642 glDisableClientState(GL_NORMAL_ARRAY);
1643 glDisableClientState(GL_COLOR_ARRAY);
1645 glDisable(GL_TEXTURE_2D);
1646 glDisable(GL_LIGHTING);
1647 glDisable(GL_COLOR_MATERIAL);
1648 glDisable(GL_DEPTH_TEST);
1649 glColor3f( 1.f, 1.f, 1.f );
1652 // draw the crosshair
1655 glBegin( GL_LINES );
1656 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1657 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1658 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1659 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1660 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1661 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1662 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1663 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1667 if(g_camwindow_globals_private.m_showStats)
1669 glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 1.0f, 0.0f);
1670 extern const char* Renderer_GetStats();
1671 GlobalOpenGL().drawString(Renderer_GetStats());
1673 glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 11.0f, 0.0f);
1674 extern const char* Cull_GetStats();
1675 GlobalOpenGL().drawString(Cull_GetStats());
1678 // bind back to the default texture so that we don't have problems
1679 // elsewhere using/modifying texture maps between contexts
1680 glBindTexture( GL_TEXTURE_2D, 0 );
1687 //globalOutputStream() << "draw...\n";
1688 if (glwidget_make_current(m_gl_widget) != FALSE)
1690 if(Map_Valid(g_map) && ScreenUpdates_Enabled())
1692 GlobalOpenGL_debugAssertNoErrors();
1694 GlobalOpenGL_debugAssertNoErrors();
1697 m_XORRectangle.set(rectangle_t());
1700 glwidget_swap_buffers(m_gl_widget);
1706 void CamWnd::BenchMark()
1708 double dStart = Sys_DoubleTime();
1709 for (int i=0 ; i < 100 ; i++)
1712 angles[CAMERA_ROLL] = 0;
1713 angles[CAMERA_PITCH] = 0;
1714 angles[CAMERA_YAW] = static_cast<float>(i * (360.0 / 100.0));
1715 Camera_setAngles(*this, angles);
1717 double dEnd = Sys_DoubleTime();
1718 globalOutputStream() << FloatFormat(dEnd - dStart, 5, 2), " seconds\n";
1722 void fill_view_camera_menu(GtkMenu* menu)
1724 create_check_menu_item_with_mnemonic(menu, "Camera View", "ToggleCamera");
1727 void GlobalCamera_ResetAngles()
1729 CamWnd& camwnd = *g_camwnd;
1731 angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1732 angles[CAMERA_YAW] = static_cast<float>(22.5 * floor((Camera_getAngles(camwnd)[CAMERA_YAW]+11)/22.5));
1733 Camera_setAngles(camwnd, angles);
1736 void Camera_ChangeFloorUp()
1738 CamWnd& camwnd = *g_camwnd;
1739 camwnd.Cam_ChangeFloor (true);
1742 void Camera_ChangeFloorDown()
1744 CamWnd& camwnd = *g_camwnd;
1745 camwnd.Cam_ChangeFloor (false);
1748 void Camera_CubeIn()
1750 CamWnd& camwnd = *g_camwnd;
1751 g_camwindow_globals.m_nCubicScale--;
1752 if (g_camwindow_globals.m_nCubicScale < 1)
1753 g_camwindow_globals.m_nCubicScale = 1;
1754 Camera_updateProjection(camwnd.getCamera());
1755 CamWnd_Update(camwnd);
1756 g_pParentWnd->SetGridStatus();
1759 void Camera_CubeOut()
1761 CamWnd& camwnd = *g_camwnd;
1762 g_camwindow_globals.m_nCubicScale++;
1763 if (g_camwindow_globals.m_nCubicScale > 23)
1764 g_camwindow_globals.m_nCubicScale = 23;
1765 Camera_updateProjection(camwnd.getCamera());
1766 CamWnd_Update(camwnd);
1767 g_pParentWnd->SetGridStatus();
1770 bool Camera_GetFarClip()
1772 return g_camwindow_globals_private.m_bCubicClipping;
1775 BoolExportCaller g_getfarclip_caller(g_camwindow_globals_private.m_bCubicClipping);
1776 ToggleItem g_getfarclip_item(g_getfarclip_caller);
1778 void Camera_SetFarClip(bool value)
1780 CamWnd& camwnd = *g_camwnd;
1781 g_camwindow_globals_private.m_bCubicClipping = value;
1782 g_getfarclip_item.update();
1783 Camera_updateProjection(camwnd.getCamera());
1784 CamWnd_Update(camwnd);
1787 void Camera_ToggleFarClip()
1789 Camera_SetFarClip(!Camera_GetFarClip());
1793 void CamWnd_constructToolbar(GtkToolbar* toolbar)
1795 toolbar_append_toggle_button(toolbar, "Cubic clip the camera view (\\)", "view_cubicclipping.bmp", "ToggleCubicClip");
1798 void CamWnd_registerShortcuts()
1800 toggle_add_accelerator("ToggleCubicClip");
1802 if(g_pGameDescription->mGameType == "doom3")
1804 command_connect_accelerator("TogglePreview");
1809 void GlobalCamera_Benchmark()
1811 CamWnd& camwnd = *g_camwnd;
1815 void GlobalCamera_Update()
1817 CamWnd& camwnd = *g_camwnd;
1818 CamWnd_Update(camwnd);
1821 camera_draw_mode CamWnd_GetMode()
1823 return camera_t::draw_mode;
1825 void CamWnd_SetMode(camera_draw_mode mode)
1827 ShaderCache_setBumpEnabled(mode == cd_lighting);
1828 camera_t::draw_mode = mode;
1831 CamWnd_Update(*g_camwnd);
1835 void CamWnd_TogglePreview(void)
1837 // gametype must be doom3 for this function to work
1838 // if the gametype is not doom3 something is wrong with the
1839 // global command list or somebody else calls this function.
1840 ASSERT_MESSAGE(g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible");
1842 // switch between textured and lighting mode
1843 CamWnd_SetMode((CamWnd_GetMode() == cd_lighting) ? cd_texture : cd_lighting);
1847 CameraModel* g_camera_model = 0;
1849 void CamWnd_LookThroughCamera(CamWnd& camwnd)
1851 if(g_camera_model != 0)
1853 CamWnd_Add_Handlers_Move(camwnd);
1854 g_camera_model->setCameraView(0, Callback());
1856 Camera_updateModelview(camwnd.getCamera());
1857 Camera_updateProjection(camwnd.getCamera());
1858 CamWnd_Update(camwnd);
1862 inline CameraModel* Instance_getCameraModel(scene::Instance& instance)
1864 return InstanceTypeCast<CameraModel>::cast(instance);
1867 void CamWnd_LookThroughSelected(CamWnd& camwnd)
1869 if(g_camera_model != 0)
1871 CamWnd_LookThroughCamera(camwnd);
1874 if(GlobalSelectionSystem().countSelected() != 0)
1876 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1877 CameraModel* cameraModel = Instance_getCameraModel(instance);
1878 if(cameraModel != 0)
1880 CamWnd_Remove_Handlers_Move(camwnd);
1881 g_camera_model = cameraModel;
1882 g_camera_model->setCameraView(&camwnd.getCameraView(), ReferenceCaller<CamWnd, CamWnd_LookThroughCamera>(camwnd));
1887 void GlobalCamera_LookThroughSelected()
1889 CamWnd_LookThroughSelected(*g_camwnd);
1892 void GlobalCamera_LookThroughCamera()
1894 CamWnd_LookThroughCamera(*g_camwnd);
1898 void RenderModeImport(int value)
1903 CamWnd_SetMode(cd_wire);
1906 CamWnd_SetMode(cd_solid);
1909 CamWnd_SetMode(cd_texture);
1912 CamWnd_SetMode(cd_lighting);
1915 CamWnd_SetMode(cd_texture);
1918 typedef FreeCaller1<int, RenderModeImport> RenderModeImportCaller;
1920 void RenderModeExport(const IntImportCallback& importer)
1922 switch(CamWnd_GetMode())
1938 typedef FreeCaller1<const IntImportCallback&, RenderModeExport> RenderModeExportCaller;
1940 void Camera_constructPreferences(PreferencesPage& page)
1942 page.appendSlider("Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, 50, 300, 1, 10, 10);
1943 page.appendSlider("Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10, 10);
1944 page.appendCheckBox("", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse);
1945 page.appendCheckBox(
1946 "", "Discrete movement",
1947 FreeCaller1<bool, CamWnd_Move_Discrete_Import>(),
1948 BoolExportCaller(g_camwindow_globals_private.m_bCamDiscrete)
1950 page.appendCheckBox(
1951 "", "Enable far-clip plane",
1952 FreeCaller1<bool, Camera_SetFarClip>(),
1953 BoolExportCaller(g_camwindow_globals_private.m_bCubicClipping)
1956 if(g_pGameDescription->mGameType == "doom3")
1958 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1962 STRING_ARRAY_RANGE(render_mode),
1963 IntImportCallback(RenderModeImportCaller()),
1964 IntExportCallback(RenderModeExportCaller())
1969 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1973 STRING_ARRAY_RANGE(render_mode),
1974 IntImportCallback(RenderModeImportCaller()),
1975 IntExportCallback(RenderModeExportCaller())
1979 void Camera_constructPage(PreferenceGroup& group)
1981 PreferencesPage page(group.createPage("Camera", "Camera View Preferences"));
1982 Camera_constructPreferences(page);
1984 void Camera_registerPreferencesPage()
1986 PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Camera_constructPage>());
1989 #include "preferencesystem.h"
1990 #include "stringio.h"
1993 typedef FreeCaller1<bool, CamWnd_Move_Discrete_Import> CamWndMoveDiscreteImportCaller;
1995 /// \brief Initialisation for things that have the same lifespan as this module.
1996 void CamWnd_Construct()
1998 GlobalCommands_insert("CenterView", FreeCaller<GlobalCamera_ResetAngles>(), Accelerator(GDK_End));
2000 GlobalToggles_insert("ToggleCubicClip", FreeCaller<Camera_ToggleFarClip>(), ToggleItem::AddCallbackCaller(g_getfarclip_item), Accelerator('\\', (GdkModifierType)GDK_CONTROL_MASK));
2001 GlobalCommands_insert("CubicClipZoomIn", FreeCaller<Camera_CubeIn>(), Accelerator('[', (GdkModifierType)GDK_CONTROL_MASK));
2002 GlobalCommands_insert("CubicClipZoomOut", FreeCaller<Camera_CubeOut>(), Accelerator(']', (GdkModifierType)GDK_CONTROL_MASK));
2004 GlobalCommands_insert("UpFloor", FreeCaller<Camera_ChangeFloorUp>(), Accelerator(GDK_Prior));
2005 GlobalCommands_insert("DownFloor", FreeCaller<Camera_ChangeFloorDown>(), Accelerator(GDK_Next));
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", FreeCaller<GlobalCamera_LookThroughSelected>());
2009 GlobalCommands_insert("LookThroughCamera", FreeCaller<GlobalCamera_LookThroughCamera>());
2011 if(g_pGameDescription->mGameType == "doom3")
2013 GlobalCommands_insert("TogglePreview", FreeCaller<CamWnd_TogglePreview>(), Accelerator(GDK_F3));
2016 GlobalShortcuts_insert("CameraForward", Accelerator(GDK_Up));
2017 GlobalShortcuts_insert("CameraBack", Accelerator(GDK_Down));
2018 GlobalShortcuts_insert("CameraLeft", Accelerator(GDK_Left));
2019 GlobalShortcuts_insert("CameraRight", Accelerator(GDK_Right));
2020 GlobalShortcuts_insert("CameraStrafeRight", Accelerator(GDK_period));
2021 GlobalShortcuts_insert("CameraStrafeLeft", Accelerator(GDK_comma));
2023 GlobalShortcuts_insert("CameraUp", Accelerator('D'));
2024 GlobalShortcuts_insert("CameraDown", Accelerator('C'));
2025 GlobalShortcuts_insert("CameraAngleUp", Accelerator('A'));
2026 GlobalShortcuts_insert("CameraAngleDown", Accelerator('Z'));
2028 GlobalShortcuts_insert("CameraFreeMoveForward", Accelerator(GDK_Up));
2029 GlobalShortcuts_insert("CameraFreeMoveBack", Accelerator(GDK_Down));
2030 GlobalShortcuts_insert("CameraFreeMoveLeft", Accelerator(GDK_Left));
2031 GlobalShortcuts_insert("CameraFreeMoveRight", Accelerator(GDK_Right));
2033 GlobalToggles_insert("ShowStats", ShowStatsToggleCaller(), ToggleItem::AddCallbackCaller(g_show_stats));
2035 GlobalPreferenceSystem().registerPreference("ShowStats", BoolImportStringCaller(g_camwindow_globals_private.m_showStats), BoolExportStringCaller(g_camwindow_globals_private.m_showStats));
2036 GlobalPreferenceSystem().registerPreference("MoveSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nMoveSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nMoveSpeed));
2037 GlobalPreferenceSystem().registerPreference("AngleSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nAngleSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nAngleSpeed));
2038 GlobalPreferenceSystem().registerPreference("CamInverseMouse", BoolImportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse), BoolExportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse));
2039 GlobalPreferenceSystem().registerPreference("CamDiscrete", makeBoolStringImportCallback(CamWndMoveDiscreteImportCaller()), BoolExportStringCaller(g_camwindow_globals_private.m_bCamDiscrete));
2040 GlobalPreferenceSystem().registerPreference("CubicClipping", BoolImportStringCaller(g_camwindow_globals_private.m_bCubicClipping), BoolExportStringCaller(g_camwindow_globals_private.m_bCubicClipping));
2041 GlobalPreferenceSystem().registerPreference("CubicScale", IntImportStringCaller(g_camwindow_globals.m_nCubicScale), IntExportStringCaller(g_camwindow_globals.m_nCubicScale));
2042 GlobalPreferenceSystem().registerPreference("SI_Colors4", Vector3ImportStringCaller(g_camwindow_globals.color_cameraback), Vector3ExportStringCaller(g_camwindow_globals.color_cameraback));
2043 GlobalPreferenceSystem().registerPreference("SI_Colors12", Vector3ImportStringCaller(g_camwindow_globals.color_selbrushes3d), Vector3ExportStringCaller(g_camwindow_globals.color_selbrushes3d));
2044 GlobalPreferenceSystem().registerPreference("CameraRenderMode", makeIntStringImportCallback(RenderModeImportCaller()), makeIntStringExportCallback(RenderModeExportCaller()));
2046 CamWnd_constructStatic();
2048 Camera_registerPreferencesPage();
2050 void CamWnd_Destroy()
2052 CamWnd_destroyStatic();