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 unsigned int movementflags; // movement flags
141 Timer m_keycontrol_timer;
142 guint m_keymove_handler;
147 DeferredMotionDelta m_mouseMove;
149 static void motionDelta(int x, int y, void* data)
151 Camera_mouseMove(*reinterpret_cast<camera_t*>(data), x, y);
157 static camera_draw_mode draw_mode;
159 camera_t(View* view, const Callback& update)
167 m_keymove_handler(0),
169 m_mouseMove(motionDelta, this),
176 camera_draw_mode camera_t::draw_mode = cd_texture;
178 inline Matrix4 projection_for_camera(float near_z, float far_z, float fieldOfView, int width, int height)
180 const float half_width = static_cast<float>(near_z * tan(degrees_to_radians(fieldOfView * 0.5)));
181 const float half_height = half_width * (static_cast<float>(height) / static_cast<float>(width));
183 return matrix4_frustum(
193 float Camera_getFarClipPlane(camera_t& camera)
195 return (g_camwindow_globals_private.m_bCubicClipping)? pow(2.0, (g_camwindow_globals.m_nCubicScale + 7) / 2.0) : 32768.0f;
198 void Camera_updateProjection(camera_t& camera)
200 float farClip = Camera_getFarClipPlane(camera);
201 camera.projection = projection_for_camera(farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height);
203 camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
206 void Camera_updateVectors(camera_t& camera)
208 for (int i=0 ; i<3 ; i++)
210 camera.vright[i] = camera.modelview[(i<<2)+0];
211 camera.vup[i] = camera.modelview[(i<<2)+1];
212 camera.vpn[i] = camera.modelview[(i<<2)+2];
216 void Camera_updateModelview(camera_t& camera)
218 camera.modelview = g_matrix4_identity;
221 Vector3 radiant_eulerXYZ(0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW]);
223 matrix4_translate_by_vec3(camera.modelview, camera.origin);
224 matrix4_rotate_by_euler_xyz_degrees(camera.modelview, radiant_eulerXYZ);
225 matrix4_multiply_by_matrix4(camera.modelview, g_radiant2opengl);
226 matrix4_affine_invert(camera.modelview);
228 Camera_updateVectors(camera);
230 camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
234 void Camera_Move_updateAxes(camera_t& camera)
236 double ya = degrees_to_radians(camera.angles[CAMERA_YAW]);
238 // the movement matrix is kept 2d
239 camera.forward[0] = static_cast<float>(cos(ya));
240 camera.forward[1] = static_cast<float>(sin(ya));
241 camera.forward[2] = 0;
242 camera.right[0] = camera.forward[1];
243 camera.right[1] = -camera.forward[0];
246 void Camera_Freemove_updateAxes(camera_t& camera)
248 camera.right = camera.vright;
249 camera.forward = vector3_negated(camera.vpn);
252 const Vector3& Camera_getOrigin(camera_t& camera)
254 return camera.origin;
257 void Camera_setOrigin(camera_t& camera, const Vector3& origin)
259 camera.origin = origin;
260 Camera_updateModelview(camera);
265 const Vector3& Camera_getAngles(camera_t& camera)
267 return camera.angles;
270 void Camera_setAngles(camera_t& camera, const Vector3& angles)
272 camera.angles = angles;
273 Camera_updateModelview(camera);
279 void Camera_FreeMove(camera_t& camera, int dx, int dy)
282 if (g_camwindow_globals_private.m_bCamInverseMouse)
283 camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
285 camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
287 camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
289 if (camera.angles[CAMERA_PITCH] > 90)
290 camera.angles[CAMERA_PITCH] = 90;
291 else if (camera.angles[CAMERA_PITCH] < -90)
292 camera.angles[CAMERA_PITCH] = -90;
294 if (camera.angles[CAMERA_YAW] >= 360)
295 camera.angles[CAMERA_YAW] -=360;
296 else if (camera.angles[CAMERA_YAW] <= 0)
297 camera.angles[CAMERA_YAW] +=360;
299 Camera_updateModelview(camera);
300 Camera_Freemove_updateAxes(camera);
303 void Cam_MouseControl(camera_t& camera, int x, int y)
309 xf = (float)(x - camera.width/2) / (camera.width/2);
310 yf = (float)(y - camera.height/2) / (camera.height/2);
314 yl = camera.height/3;
317 xf *= 1.0f - fabsf(yf);
331 vector3_add(camera.origin, vector3_scaled(camera.forward, yf * 0.1f* g_camwindow_globals_private.m_nMoveSpeed));
332 camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
334 Camera_updateModelview(camera);
337 void Camera_mouseMove(camera_t& camera, int x, int y)
339 //globalOutputStream() << "mousemove... ";
340 Camera_FreeMove(camera, -x, -y);
345 const unsigned int MOVE_NONE = 0;
346 const unsigned int MOVE_FORWARD = 1 << 0;
347 const unsigned int MOVE_BACK = 1 << 1;
348 const unsigned int MOVE_ROTRIGHT = 1 << 2;
349 const unsigned int MOVE_ROTLEFT = 1 << 3;
350 const unsigned int MOVE_STRAFERIGHT = 1 << 4;
351 const unsigned int MOVE_STRAFELEFT = 1 << 5;
352 const unsigned int MOVE_UP = 1 << 6;
353 const unsigned int MOVE_DOWN = 1 << 7;
354 const unsigned int MOVE_PITCHUP = 1 << 8;
355 const unsigned int MOVE_PITCHDOWN = 1 << 9;
356 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;
358 void Cam_KeyControl(camera_t& camera, float dtime)
361 if (camera.movementflags & MOVE_ROTLEFT)
362 camera.angles[CAMERA_YAW] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
363 if (camera.movementflags & MOVE_ROTRIGHT)
364 camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
365 if (camera.movementflags & MOVE_PITCHUP)
367 camera.angles[CAMERA_PITCH] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
368 if(camera.angles[CAMERA_PITCH] > 90)
369 camera.angles[CAMERA_PITCH] = 90;
371 if (camera.movementflags & MOVE_PITCHDOWN)
373 camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
374 if(camera.angles[CAMERA_PITCH] < -90)
375 camera.angles[CAMERA_PITCH] = -90;
378 Camera_updateModelview(camera);
379 Camera_Freemove_updateAxes(camera);
382 if (camera.movementflags & MOVE_FORWARD)
383 vector3_add(camera.origin, vector3_scaled(camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed));
384 if (camera.movementflags & MOVE_BACK)
385 vector3_add(camera.origin, vector3_scaled(camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
386 if (camera.movementflags & MOVE_STRAFELEFT)
387 vector3_add(camera.origin, vector3_scaled(camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
388 if (camera.movementflags & MOVE_STRAFERIGHT)
389 vector3_add(camera.origin, vector3_scaled(camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed));
390 if (camera.movementflags & MOVE_UP)
391 vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed));
392 if (camera.movementflags & MOVE_DOWN)
393 vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
395 Camera_updateModelview(camera);
398 void Camera_keyMove(camera_t& camera)
400 camera.m_mouseMove.flush();
402 //globalOutputStream() << "keymove... ";
403 float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>(msec_per_sec);
404 camera.m_keycontrol_timer.start();
405 if(time_seconds > 0.05f)
407 time_seconds = 0.05f; // 20fps
409 Cam_KeyControl(camera, time_seconds * 5.0f);
415 gboolean camera_keymove(gpointer data)
417 Camera_keyMove(*reinterpret_cast<camera_t*>(data));
421 void Camera_setMovementFlags(camera_t& camera, unsigned int mask)
423 if((~camera.movementflags & mask) != 0 && camera.movementflags == 0)
425 camera.m_keymove_handler = g_idle_add(camera_keymove, &camera);
427 camera.movementflags |= mask;
429 void Camera_clearMovementFlags(camera_t& camera, unsigned int mask)
431 if((camera.movementflags & ~mask) == 0 && camera.movementflags != 0)
433 g_source_remove(camera.m_keymove_handler);
434 camera.m_keymove_handler = 0;
436 camera.movementflags &= ~mask;
439 void Camera_MoveForward_KeyDown(camera_t& camera)
441 Camera_setMovementFlags(camera, MOVE_FORWARD);
443 void Camera_MoveForward_KeyUp(camera_t& camera)
445 Camera_clearMovementFlags(camera, MOVE_FORWARD);
447 void Camera_MoveBack_KeyDown(camera_t& camera)
449 Camera_setMovementFlags(camera, MOVE_BACK);
451 void Camera_MoveBack_KeyUp(camera_t& camera)
453 Camera_clearMovementFlags(camera, MOVE_BACK);
456 void Camera_MoveLeft_KeyDown(camera_t& camera)
458 Camera_setMovementFlags(camera, MOVE_STRAFELEFT);
460 void Camera_MoveLeft_KeyUp(camera_t& camera)
462 Camera_clearMovementFlags(camera, MOVE_STRAFELEFT);
464 void Camera_MoveRight_KeyDown(camera_t& camera)
466 Camera_setMovementFlags(camera, MOVE_STRAFERIGHT);
468 void Camera_MoveRight_KeyUp(camera_t& camera)
470 Camera_clearMovementFlags(camera, MOVE_STRAFERIGHT);
473 void Camera_MoveUp_KeyDown(camera_t& camera)
475 Camera_setMovementFlags(camera, MOVE_UP);
477 void Camera_MoveUp_KeyUp(camera_t& camera)
479 Camera_clearMovementFlags(camera, MOVE_UP);
481 void Camera_MoveDown_KeyDown(camera_t& camera)
483 Camera_setMovementFlags(camera, MOVE_DOWN);
485 void Camera_MoveDown_KeyUp(camera_t& camera)
487 Camera_clearMovementFlags(camera, MOVE_DOWN);
490 void Camera_RotateLeft_KeyDown(camera_t& camera)
492 Camera_setMovementFlags(camera, MOVE_ROTLEFT);
494 void Camera_RotateLeft_KeyUp(camera_t& camera)
496 Camera_clearMovementFlags(camera, MOVE_ROTLEFT);
498 void Camera_RotateRight_KeyDown(camera_t& camera)
500 Camera_setMovementFlags(camera, MOVE_ROTRIGHT);
502 void Camera_RotateRight_KeyUp(camera_t& camera)
504 Camera_clearMovementFlags(camera, MOVE_ROTRIGHT);
507 void Camera_PitchUp_KeyDown(camera_t& camera)
509 Camera_setMovementFlags(camera, MOVE_PITCHUP);
511 void Camera_PitchUp_KeyUp(camera_t& camera)
513 Camera_clearMovementFlags(camera, MOVE_PITCHUP);
515 void Camera_PitchDown_KeyDown(camera_t& camera)
517 Camera_setMovementFlags(camera, MOVE_PITCHDOWN);
519 void Camera_PitchDown_KeyUp(camera_t& camera)
521 Camera_clearMovementFlags(camera, MOVE_PITCHDOWN);
525 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
526 typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
527 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
528 typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
529 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
530 typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
531 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
532 typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
533 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
534 typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
535 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
536 typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
539 #define SPEED_MOVE 32
540 #define SPEED_TURN 22.5
542 void Camera_MoveForward_Discrete(camera_t& camera)
544 Camera_Move_updateAxes(camera);
545 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, SPEED_MOVE)));
547 void Camera_MoveBack_Discrete(camera_t& camera)
549 Camera_Move_updateAxes(camera);
550 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, -SPEED_MOVE)));
553 void Camera_MoveUp_Discrete(camera_t& camera)
555 Vector3 origin(Camera_getOrigin(camera));
556 origin[2] += SPEED_MOVE;
557 Camera_setOrigin(camera, origin);
559 void Camera_MoveDown_Discrete(camera_t& camera)
561 Vector3 origin(Camera_getOrigin(camera));
562 origin[2] -= SPEED_MOVE;
563 Camera_setOrigin(camera, origin);
566 void Camera_MoveLeft_Discrete(camera_t& camera)
568 Camera_Move_updateAxes(camera);
569 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, -SPEED_MOVE)));
571 void Camera_MoveRight_Discrete(camera_t& camera)
573 Camera_Move_updateAxes(camera);
574 Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, SPEED_MOVE)));
577 void Camera_RotateLeft_Discrete(camera_t& camera)
579 Vector3 angles(Camera_getAngles(camera));
580 angles[CAMERA_YAW] += SPEED_TURN;
581 Camera_setAngles(camera, angles);
583 void Camera_RotateRight_Discrete(camera_t& camera)
585 Vector3 angles(Camera_getAngles(camera));
586 angles[CAMERA_YAW] -= SPEED_TURN;
587 Camera_setAngles(camera, angles);
590 void Camera_PitchUp_Discrete(camera_t& camera)
592 Vector3 angles(Camera_getAngles(camera));
593 angles[CAMERA_PITCH] += SPEED_TURN;
594 if (angles[CAMERA_PITCH] > 90)
595 angles[CAMERA_PITCH] = 90;
596 Camera_setAngles(camera, angles);
598 void Camera_PitchDown_Discrete(camera_t& camera)
600 Vector3 angles(Camera_getAngles(camera));
601 angles[CAMERA_PITCH] -= SPEED_TURN;
602 if (angles[CAMERA_PITCH] < -90)
603 angles[CAMERA_PITCH] = -90;
604 Camera_setAngles(camera, angles);
608 class RadiantCameraView : public CameraView
614 RadiantCameraView(camera_t& camera, View* view, const Callback& update) : m_camera(camera), m_view(view), m_update(update)
619 m_view->Construct(m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height);
622 void setModelview(const Matrix4& modelview)
624 m_camera.modelview = modelview;
625 matrix4_multiply_by_matrix4(m_camera.modelview, g_radiant2opengl);
626 matrix4_affine_invert(m_camera.modelview);
627 Camera_updateVectors(m_camera);
630 void setFieldOfView(float fieldOfView)
632 float farClip = Camera_getFarClipPlane(m_camera);
633 m_camera.projection = projection_for_camera(farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height);
639 void Camera_motionDelta(int x, int y, unsigned int state, void* data)
641 reinterpret_cast<camera_t*>(data)->m_mouseMove.motion_delta(x, y, state);
648 RadiantCameraView m_cameraview;
650 int m_PositionDragCursorX;
651 int m_PositionDragCursorY;
654 guint m_freemove_handle_focusout;
656 static Shader* m_state_select1;
657 static Shader* m_state_select2;
659 FreezePointer m_freezePointer;
662 GtkWidget* m_gl_widget;
665 SelectionSystemWindowObserver* m_window_observer;
666 XORRectangle m_XORRectangle;
668 DeferredDraw m_deferredDraw;
669 DeferredMotion m_deferred_motion;
671 guint m_selection_button_press_handler;
672 guint m_selection_button_release_handler;
673 guint m_selection_motion_handler;
675 guint m_freelook_button_press_handler;
678 guint m_exposeHandler;
686 //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
691 //globalOutputStream() << "queue... ";
692 m_deferredDraw.draw();
696 static void captureStates()
698 m_state_select1 = GlobalShaderCache().capture("$CAM_HIGHLIGHT");
699 m_state_select2 = GlobalShaderCache().capture("$CAM_OVERLAY");
701 static void releaseStates()
703 GlobalShaderCache().release("$CAM_HIGHLIGHT");
704 GlobalShaderCache().release("$CAM_OVERLAY");
707 camera_t& getCamera()
713 void Cam_ChangeFloor(bool up);
715 void DisableFreeMove();
716 void EnableFreeMove();
719 CameraView& getCameraView()
728 typedef MemberCaller<CamWnd, &CamWnd::queue_draw> CamWndQueueDraw;
730 Shader* CamWnd::m_state_select1 = 0;
731 Shader* CamWnd::m_state_select2 = 0;
737 void DeleteCamWnd(CamWnd* camwnd)
742 void CamWnd_constructStatic()
744 CamWnd::captureStates();
747 void CamWnd_destroyStatic()
749 CamWnd::releaseStates();
752 static CamWnd* g_camwnd = 0;
754 void GlobalCamera_setCamWnd(CamWnd& camwnd)
760 GtkWidget* CamWnd_getWidget(CamWnd& camwnd)
762 return camwnd.m_gl_widget;
765 GtkWindow* CamWnd_getParent(CamWnd& camwnd)
767 return camwnd.m_parent;
770 ToggleShown g_camera_shown(true);
772 void CamWnd_setParent(CamWnd& camwnd, GtkWindow* parent)
774 camwnd.m_parent = parent;
775 g_camera_shown.connect(GTK_WIDGET(camwnd.m_parent));
778 void CamWnd_Update(CamWnd& camwnd)
785 camwindow_globals_t g_camwindow_globals;
787 const Vector3& Camera_getOrigin(CamWnd& camwnd)
789 return Camera_getOrigin(camwnd.getCamera());
792 void Camera_setOrigin(CamWnd& camwnd, const Vector3& origin)
794 Camera_setOrigin(camwnd.getCamera(), origin);
797 const Vector3& Camera_getAngles(CamWnd& camwnd)
799 return Camera_getAngles(camwnd.getCamera());
802 void Camera_setAngles(CamWnd& camwnd, const Vector3& angles)
804 Camera_setAngles(camwnd.getCamera(), angles);
808 // =============================================================================
811 gboolean enable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
813 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
815 camwnd->EnableFreeMove();
821 gboolean disable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
823 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
825 camwnd->DisableFreeMove();
832 gboolean mousecontrol_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
834 if(event->type == GDK_BUTTON_PRESS && event->button == 3)
836 Cam_MouseControl(camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y);
842 void camwnd_update_xor_rectangle(CamWnd& self, rect_t area)
844 if(GTK_WIDGET_VISIBLE(self.m_gl_widget))
846 self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.getCamera().width, self.getCamera().height));
851 gboolean selection_button_press(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
853 if(event->type == GDK_BUTTON_PRESS)
855 observer->onMouseDown(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
860 gboolean selection_button_release(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
862 if(event->type == GDK_BUTTON_RELEASE)
864 observer->onMouseUp(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
869 void selection_motion(gdouble x, gdouble y, guint state, void* data)
871 //globalOutputStream() << "motion... ";
872 reinterpret_cast<WindowObserver*>(data)->onMouseMotion(WindowVector_forDouble(x, y), modifiers_for_state(state));
875 inline WindowVector windowvector_for_widget_centre(GtkWidget* widget)
877 return WindowVector(static_cast<float>(widget->allocation.width / 2), static_cast<float>(widget->allocation.height / 2));
880 gboolean selection_button_press_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
882 if(event->type == GDK_BUTTON_PRESS)
884 observer->onMouseDown(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
889 gboolean selection_button_release_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
891 if(event->type == GDK_BUTTON_RELEASE)
893 observer->onMouseUp(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
898 gboolean selection_motion_freemove(GtkWidget *widget, GdkEventMotion *event, WindowObserver* observer)
900 observer->onMouseMotion(windowvector_for_widget_centre(widget), modifiers_for_state(event->state));
904 gboolean wheelmove_scroll(GtkWidget* widget, GdkEventScroll* event, CamWnd* camwnd)
906 if(event->direction == GDK_SCROLL_UP)
908 Camera_Freemove_updateAxes(camwnd->getCamera());
909 Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
911 else if(event->direction == GDK_SCROLL_DOWN)
913 Camera_Freemove_updateAxes(camwnd->getCamera());
914 Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, -static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
920 gboolean camera_size_allocate(GtkWidget* widget, GtkAllocation* allocation, CamWnd* camwnd)
922 camwnd->getCamera().width = allocation->width;
923 camwnd->getCamera().height = allocation->height;
924 Camera_updateProjection(camwnd->getCamera());
925 camwnd->m_window_observer->onSizeChanged(camwnd->getCamera().width, camwnd->getCamera().height);
926 camwnd->queue_draw();
930 gboolean camera_expose(GtkWidget* widget, GdkEventExpose* event, gpointer data)
932 reinterpret_cast<CamWnd*>(data)->draw();
936 void KeyEvent_connect(const char* name)
938 const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
939 keydown_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyDown);
940 keyup_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyUp);
943 void KeyEvent_disconnect(const char* name)
945 const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
946 keydown_accelerators_remove(keyEvent.m_accelerator);
947 keyup_accelerators_remove(keyEvent.m_accelerator);
950 void CamWnd_registerCommands(CamWnd& camwnd)
952 GlobalKeyEvents_insert("CameraForward", Accelerator(GDK_Up),
953 ReferenceCaller<camera_t, Camera_MoveForward_KeyDown>(camwnd.getCamera()),
954 ReferenceCaller<camera_t, Camera_MoveForward_KeyUp>(camwnd.getCamera())
956 GlobalKeyEvents_insert("CameraBack", Accelerator(GDK_Down),
957 ReferenceCaller<camera_t, Camera_MoveBack_KeyDown>(camwnd.getCamera()),
958 ReferenceCaller<camera_t, Camera_MoveBack_KeyUp>(camwnd.getCamera())
960 GlobalKeyEvents_insert("CameraLeft", Accelerator(GDK_Left),
961 ReferenceCaller<camera_t, Camera_RotateLeft_KeyDown>(camwnd.getCamera()),
962 ReferenceCaller<camera_t, Camera_RotateLeft_KeyUp>(camwnd.getCamera())
964 GlobalKeyEvents_insert("CameraRight", Accelerator(GDK_Right),
965 ReferenceCaller<camera_t, Camera_RotateRight_KeyDown>(camwnd.getCamera()),
966 ReferenceCaller<camera_t, Camera_RotateRight_KeyUp>(camwnd.getCamera())
968 GlobalKeyEvents_insert("CameraStrafeRight", Accelerator(GDK_period),
969 ReferenceCaller<camera_t, Camera_MoveRight_KeyDown>(camwnd.getCamera()),
970 ReferenceCaller<camera_t, Camera_MoveRight_KeyUp>(camwnd.getCamera())
972 GlobalKeyEvents_insert("CameraStrafeLeft", Accelerator(GDK_comma),
973 ReferenceCaller<camera_t, Camera_MoveLeft_KeyDown>(camwnd.getCamera()),
974 ReferenceCaller<camera_t, Camera_MoveLeft_KeyUp>(camwnd.getCamera())
976 GlobalKeyEvents_insert("CameraUp", Accelerator('D'),
977 ReferenceCaller<camera_t, Camera_MoveUp_KeyDown>(camwnd.getCamera()),
978 ReferenceCaller<camera_t, Camera_MoveUp_KeyUp>(camwnd.getCamera())
980 GlobalKeyEvents_insert("CameraDown", Accelerator('C'),
981 ReferenceCaller<camera_t, Camera_MoveDown_KeyDown>(camwnd.getCamera()),
982 ReferenceCaller<camera_t, Camera_MoveDown_KeyUp>(camwnd.getCamera())
984 GlobalKeyEvents_insert("CameraAngleDown", Accelerator('A'),
985 ReferenceCaller<camera_t, Camera_PitchDown_KeyDown>(camwnd.getCamera()),
986 ReferenceCaller<camera_t, Camera_PitchDown_KeyUp>(camwnd.getCamera())
988 GlobalKeyEvents_insert("CameraAngleUp", Accelerator('Z'),
989 ReferenceCaller<camera_t, Camera_PitchUp_KeyDown>(camwnd.getCamera()),
990 ReferenceCaller<camera_t, Camera_PitchUp_KeyUp>(camwnd.getCamera())
993 GlobalKeyEvents_insert("CameraFreeMoveForward", Accelerator(GDK_Up),
994 FreeMoveCameraMoveForwardKeyDownCaller(camwnd.getCamera()),
995 FreeMoveCameraMoveForwardKeyUpCaller(camwnd.getCamera())
997 GlobalKeyEvents_insert("CameraFreeMoveBack", Accelerator(GDK_Down),
998 FreeMoveCameraMoveBackKeyDownCaller(camwnd.getCamera()),
999 FreeMoveCameraMoveBackKeyUpCaller(camwnd.getCamera())
1001 GlobalKeyEvents_insert("CameraFreeMoveLeft", Accelerator(GDK_Left),
1002 FreeMoveCameraMoveLeftKeyDownCaller(camwnd.getCamera()),
1003 FreeMoveCameraMoveLeftKeyUpCaller(camwnd.getCamera())
1005 GlobalKeyEvents_insert("CameraFreeMoveRight", Accelerator(GDK_Right),
1006 FreeMoveCameraMoveRightKeyDownCaller(camwnd.getCamera()),
1007 FreeMoveCameraMoveRightKeyUpCaller(camwnd.getCamera())
1009 GlobalKeyEvents_insert("CameraFreeMoveUp", Accelerator('D'),
1010 FreeMoveCameraMoveUpKeyDownCaller(camwnd.getCamera()),
1011 FreeMoveCameraMoveUpKeyUpCaller(camwnd.getCamera())
1013 GlobalKeyEvents_insert("CameraFreeMoveDown", Accelerator('C'),
1014 FreeMoveCameraMoveDownKeyDownCaller(camwnd.getCamera()),
1015 FreeMoveCameraMoveDownKeyUpCaller(camwnd.getCamera())
1018 GlobalCommands_insert("CameraForward", ReferenceCaller<camera_t, Camera_MoveForward_Discrete>(camwnd.getCamera()), Accelerator(GDK_Up));
1019 GlobalCommands_insert("CameraBack", ReferenceCaller<camera_t, Camera_MoveBack_Discrete>(camwnd.getCamera()), Accelerator(GDK_Down));
1020 GlobalCommands_insert("CameraLeft", ReferenceCaller<camera_t, Camera_RotateLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_Left));
1021 GlobalCommands_insert("CameraRight", ReferenceCaller<camera_t, Camera_RotateRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_Right));
1022 GlobalCommands_insert("CameraStrafeRight", ReferenceCaller<camera_t, Camera_MoveRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_period));
1023 GlobalCommands_insert("CameraStrafeLeft", ReferenceCaller<camera_t, Camera_MoveLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_comma));
1025 GlobalCommands_insert("CameraUp", ReferenceCaller<camera_t, Camera_MoveUp_Discrete>(camwnd.getCamera()), Accelerator('D'));
1026 GlobalCommands_insert("CameraDown", ReferenceCaller<camera_t, Camera_MoveDown_Discrete>(camwnd.getCamera()), Accelerator('C'));
1027 GlobalCommands_insert("CameraAngleUp", ReferenceCaller<camera_t, Camera_PitchUp_Discrete>(camwnd.getCamera()), Accelerator('A'));
1028 GlobalCommands_insert("CameraAngleDown", ReferenceCaller<camera_t, Camera_PitchDown_Discrete>(camwnd.getCamera()), Accelerator('Z'));
1031 void CamWnd_Move_Enable(CamWnd& camwnd)
1033 KeyEvent_connect("CameraForward");
1034 KeyEvent_connect("CameraBack");
1035 KeyEvent_connect("CameraLeft");
1036 KeyEvent_connect("CameraRight");
1037 KeyEvent_connect("CameraStrafeRight");
1038 KeyEvent_connect("CameraStrafeLeft");
1039 KeyEvent_connect("CameraUp");
1040 KeyEvent_connect("CameraDown");
1041 KeyEvent_connect("CameraAngleUp");
1042 KeyEvent_connect("CameraAngleDown");
1045 void CamWnd_Move_Disable(CamWnd& camwnd)
1047 KeyEvent_disconnect("CameraForward");
1048 KeyEvent_disconnect("CameraBack");
1049 KeyEvent_disconnect("CameraLeft");
1050 KeyEvent_disconnect("CameraRight");
1051 KeyEvent_disconnect("CameraStrafeRight");
1052 KeyEvent_disconnect("CameraStrafeLeft");
1053 KeyEvent_disconnect("CameraUp");
1054 KeyEvent_disconnect("CameraDown");
1055 KeyEvent_disconnect("CameraAngleUp");
1056 KeyEvent_disconnect("CameraAngleDown");
1059 void CamWnd_Move_Discrete_Enable(CamWnd& camwnd)
1061 command_connect_accelerator("CameraForward");
1062 command_connect_accelerator("CameraBack");
1063 command_connect_accelerator("CameraLeft");
1064 command_connect_accelerator("CameraRight");
1065 command_connect_accelerator("CameraStrafeRight");
1066 command_connect_accelerator("CameraStrafeLeft");
1067 command_connect_accelerator("CameraUp");
1068 command_connect_accelerator("CameraDown");
1069 command_connect_accelerator("CameraAngleUp");
1070 command_connect_accelerator("CameraAngleDown");
1073 void CamWnd_Move_Discrete_Disable(CamWnd& camwnd)
1075 command_disconnect_accelerator("CameraForward");
1076 command_disconnect_accelerator("CameraBack");
1077 command_disconnect_accelerator("CameraLeft");
1078 command_disconnect_accelerator("CameraRight");
1079 command_disconnect_accelerator("CameraStrafeRight");
1080 command_disconnect_accelerator("CameraStrafeLeft");
1081 command_disconnect_accelerator("CameraUp");
1082 command_disconnect_accelerator("CameraDown");
1083 command_disconnect_accelerator("CameraAngleUp");
1084 command_disconnect_accelerator("CameraAngleDown");
1087 void CamWnd_Move_Discrete_Import(CamWnd& camwnd, bool value)
1089 if(g_camwindow_globals_private.m_bCamDiscrete)
1091 CamWnd_Move_Discrete_Disable(camwnd);
1095 CamWnd_Move_Disable(camwnd);
1098 g_camwindow_globals_private.m_bCamDiscrete = value;
1100 if(g_camwindow_globals_private.m_bCamDiscrete)
1102 CamWnd_Move_Discrete_Enable(camwnd);
1106 CamWnd_Move_Enable(camwnd);
1110 void CamWnd_Move_Discrete_Import(bool value)
1114 CamWnd_Move_Discrete_Import(*g_camwnd, value);
1118 g_camwindow_globals_private.m_bCamDiscrete = value;
1124 void CamWnd_Add_Handlers_Move(CamWnd& camwnd)
1126 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);
1127 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);
1128 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);
1130 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);
1132 if(g_camwindow_globals_private.m_bCamDiscrete)
1134 CamWnd_Move_Discrete_Enable(camwnd);
1138 CamWnd_Move_Enable(camwnd);
1142 void CamWnd_Remove_Handlers_Move(CamWnd& camwnd)
1144 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
1145 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
1146 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
1148 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
1150 if(g_camwindow_globals_private.m_bCamDiscrete)
1152 CamWnd_Move_Discrete_Disable(camwnd);
1156 CamWnd_Move_Disable(camwnd);
1160 void CamWnd_Add_Handlers_FreeMove(CamWnd& camwnd)
1162 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);
1163 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);
1164 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);
1166 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);
1168 KeyEvent_connect("CameraFreeMoveForward");
1169 KeyEvent_connect("CameraFreeMoveBack");
1170 KeyEvent_connect("CameraFreeMoveLeft");
1171 KeyEvent_connect("CameraFreeMoveRight");
1172 KeyEvent_connect("CameraFreeMoveUp");
1173 KeyEvent_connect("CameraFreeMoveDown");
1176 void CamWnd_Remove_Handlers_FreeMove(CamWnd& camwnd)
1178 KeyEvent_disconnect("CameraFreeMoveForward");
1179 KeyEvent_disconnect("CameraFreeMoveBack");
1180 KeyEvent_disconnect("CameraFreeMoveLeft");
1181 KeyEvent_disconnect("CameraFreeMoveRight");
1182 KeyEvent_disconnect("CameraFreeMoveUp");
1183 KeyEvent_disconnect("CameraFreeMoveDown");
1185 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
1186 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
1187 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
1189 g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
1194 m_Camera(&m_view, CamWndQueueDraw(*this)),
1195 m_cameraview(m_Camera, &m_view, ReferenceCaller<CamWnd, CamWnd_Update>(*this)),
1196 m_gl_widget(glwidget_new(TRUE)),
1197 m_window_observer(NewWindowObserver()),
1198 m_XORRectangle(m_gl_widget),
1199 m_deferredDraw(WidgetQueueDrawCaller(*m_gl_widget)),
1200 m_deferred_motion(selection_motion, m_window_observer),
1201 m_selection_button_press_handler(0),
1202 m_selection_button_release_handler(0),
1203 m_selection_motion_handler(0),
1204 m_freelook_button_press_handler(0),
1207 m_bFreeMove = false;
1209 GlobalWindowObservers_add(m_window_observer);
1210 GlobalWindowObservers_connectWidget(m_gl_widget);
1212 m_window_observer->setRectangleDrawCallback(ReferenceCaller1<CamWnd, rect_t, camwnd_update_xor_rectangle>(*this));
1213 m_window_observer->setView(m_view);
1215 gtk_widget_ref(m_gl_widget);
1217 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);
1218 GTK_WIDGET_SET_FLAGS (m_gl_widget, GTK_CAN_FOCUS);
1220 m_sizeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "size_allocate", G_CALLBACK(camera_size_allocate), this);
1221 m_exposeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "expose_event", G_CALLBACK(camera_expose), this);
1223 Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
1225 CamWnd_registerCommands(*this);
1227 CamWnd_Add_Handlers_Move(*this);
1229 g_signal_connect(G_OBJECT(m_gl_widget), "scroll_event", G_CALLBACK(wheelmove_scroll), this);
1231 AddSceneChangeCallback(ReferenceCaller<CamWnd, CamWnd_Update>(*this));
1233 PressedButtons_connect(g_pressedButtons, m_gl_widget);
1243 CamWnd_Remove_Handlers_Move(*this);
1245 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
1246 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
1248 gtk_widget_unref(m_gl_widget);
1250 m_window_observer->release();
1253 class FloorHeightWalker : public scene::Graph::Walker
1259 FloorHeightWalker(float current, float& bestUp, float& bestDown) :
1260 m_current(current), m_bestUp(bestUp), m_bestDown(bestDown)
1262 bestUp = g_MaxWorldCoord;
1263 bestDown = -g_MaxWorldCoord;
1265 bool pre(const scene::Path& path, scene::Instance& instance) const
1267 if(path.top().get().visible()
1268 && Node_isBrush(path.top())) // this node is a floor
1270 const AABB& aabb = instance.worldAABB();
1271 float floorHeight = aabb.origin.z() + aabb.extents.z();
1272 if(floorHeight > m_current && floorHeight < m_bestUp)
1274 m_bestUp = floorHeight;
1276 if(floorHeight < m_current && floorHeight > m_bestDown)
1278 m_bestDown = floorHeight;
1285 void CamWnd::Cam_ChangeFloor(bool up)
1287 float current = m_Camera.origin[2] - 48;
1290 GlobalSceneGraph().traverse(FloorHeightWalker(current, bestUp, bestDown));
1292 if(up && bestUp != g_MaxWorldCoord)
1296 if(!up && bestDown != -g_MaxWorldCoord)
1301 m_Camera.origin[2] = current + 48;
1302 Camera_updateModelview(getCamera());
1303 CamWnd_Update(*this);
1304 CameraMovedNotify();
1311 Sys_GetCursorPos(&m_PositionDragCursorX, &m_PositionDragCursorY);
1314 if ( (m_bFreeMove && (buttons == (RAD_CONTROL|RAD_SHIFT)))
1315 || (!m_bFreeMove && (buttons == (RAD_RBUTTON|RAD_CONTROL))) )
1318 CamWnd_Update(camwnd);
1319 CameraMovedNotify();
1323 void CamWnd::Cam_PositionDrag()
1327 Sys_GetCursorPos(GTK_WINDOW(m_gl_widget), &x, &y);
1328 if (x != m_PositionDragCursorX || y != m_PositionDragCursorY)
1330 x -= m_PositionDragCursorX;
1331 vector3_add(m_Camera.origin, vector3_scaled(m_Camera.vright, x));
1332 y -= m_PositionDragCursorY;
1333 m_Camera.origin[2] -= y;
1334 Camera_updateModelview();
1335 CamWnd_Update(camwnd);
1336 CameraMovedNotify();
1338 Sys_SetCursorPos(GTK_WINDOW(m_parent), m_PositionDragCursorX, m_PositionDragCursorY);
1344 // NOTE TTimo if there's an OS-level focus out of the application
1345 // then we can release the camera cursor grab
1346 static gboolean camwindow_freemove_focusout(GtkWidget* widget, GdkEventFocus* event, gpointer data)
1348 reinterpret_cast<CamWnd*>(data)->DisableFreeMove();
1352 void CamWnd::EnableFreeMove()
1355 globalOutputStream() << "EnableFreeMove\n";
1357 ASSERT_MESSAGE(!m_bFreeMove, "EnableFreeMove: free-move was already enabled");
1359 Camera_clearMovementFlags(getCamera(), MOVE_ALL);
1361 CamWnd_Remove_Handlers_Move(*this);
1362 CamWnd_Add_Handlers_FreeMove(*this);
1364 gtk_window_set_focus(m_parent, m_gl_widget);
1365 m_freemove_handle_focusout = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(camwindow_freemove_focusout), this);
1366 m_freezePointer.freeze_pointer(m_parent, Camera_motionDelta, &m_Camera);
1368 CamWnd_Update(*this);
1371 void CamWnd::DisableFreeMove()
1374 globalOutputStream() << "DisableFreeMove\n";
1376 ASSERT_MESSAGE(m_bFreeMove, "DisableFreeMove: free-move was not enabled");
1377 m_bFreeMove = false;
1378 Camera_clearMovementFlags(getCamera(), MOVE_ALL);
1380 CamWnd_Remove_Handlers_FreeMove(*this);
1381 CamWnd_Add_Handlers_Move(*this);
1383 m_freezePointer.unfreeze_pointer(m_parent);
1384 g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_freemove_handle_focusout);
1386 CamWnd_Update(*this);
1390 #include "renderer.h"
1392 class CamRenderer: public Renderer
1396 state_type() : m_highlight(0), m_state(0), m_lights(0)
1399 unsigned int m_highlight;
1401 const LightList* m_lights;
1404 std::vector<state_type> m_state_stack;
1405 RenderStateFlags m_globalstate;
1406 Shader* m_state_select0;
1407 Shader* m_state_select1;
1408 const Vector3& m_viewer;
1411 CamRenderer(RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer) :
1412 m_globalstate(globalstate),
1413 m_state_select0(select0),
1414 m_state_select1(select1),
1417 ASSERT_NOTNULL(select0);
1418 ASSERT_NOTNULL(select1);
1419 m_state_stack.push_back(state_type());
1422 void SetState(Shader* state, EStyle style)
1424 ASSERT_NOTNULL(state);
1425 if(style == eFullMaterials)
1427 m_state_stack.back().m_state = state;
1430 const EStyle getStyle() const
1432 return eFullMaterials;
1436 m_state_stack.push_back(m_state_stack.back());
1440 ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
1441 m_state_stack.pop_back();
1443 void Highlight(EHighlightMode mode, bool bEnable = true)
1446 ? m_state_stack.back().m_highlight |= mode
1447 : m_state_stack.back().m_highlight &= ~mode;
1449 void setLights(const LightList& lights)
1451 m_state_stack.back().m_lights = &lights;
1453 void addRenderable(const OpenGLRenderable& renderable, const Matrix4& world)
1455 if(m_state_stack.back().m_highlight & ePrimitive)
1457 m_state_select0->addRenderable(renderable, world, m_state_stack.back().m_lights);
1459 if(m_state_stack.back().m_highlight & eFace)
1461 m_state_select1->addRenderable(renderable, world, m_state_stack.back().m_lights);
1464 m_state_stack.back().m_state->addRenderable(renderable, world, m_state_stack.back().m_lights);
1467 void render(const Matrix4& modelview, const Matrix4& projection)
1469 GlobalShaderCache().render(m_globalstate, modelview, projection, m_viewer);
1479 void CamWnd::Cam_Draw()
1481 glViewport(0, 0, m_Camera.width, m_Camera.height);
1484 glGetIntegerv (GL_VIEWPORT, viewprt);
1487 // enable depth buffer writes
1488 glDepthMask(GL_TRUE);
1490 Vector3 clearColour(0, 0, 0);
1491 if(m_Camera.draw_mode != cd_lighting)
1493 clearColour = g_camwindow_globals.color_cameraback;
1496 glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
1497 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
1499 extern void Renderer_ResetStats();
1500 Renderer_ResetStats();
1501 extern void Cull_ResetStats();
1504 glMatrixMode(GL_PROJECTION);
1505 glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.projection));
1507 glMatrixMode(GL_MODELVIEW);
1508 glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.modelview));
1511 // one directional light source directly behind the viewer
1513 GLfloat inverse_cam_dir[4], ambient[4], diffuse[4];//, material[4];
1515 ambient[0] = ambient[1] = ambient[2] = 0.4f;
1517 diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
1519 //material[0] = material[1] = material[2] = 0.8f;
1520 //material[3] = 1.0f;
1522 inverse_cam_dir[0] = m_Camera.vpn[0];
1523 inverse_cam_dir[1] = m_Camera.vpn[1];
1524 inverse_cam_dir[2] = m_Camera.vpn[2];
1525 inverse_cam_dir[3] = 0;
1527 glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
1529 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
1530 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
1532 glEnable(GL_LIGHT0);
1536 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;
1537 switch (m_Camera.draw_mode)
1542 globalstate |= RENDER_FILL
1548 globalstate |= RENDER_FILL
1555 globalstate |= RENDER_FILL
1569 if(!g_xywindow_globals.m_bNoStipple)
1571 globalstate |= RENDER_LINESTIPPLE|RENDER_POLYGONSTIPPLE;
1575 CamRenderer renderer(globalstate, m_state_select2, m_state_select1, m_view.getViewer());
1577 Scene_Render(renderer, m_view);
1579 renderer.render(m_Camera.modelview, m_Camera.projection);
1582 // prepare for 2d stuff
1583 glColor4f(1, 1, 1, 1);
1584 glDisable(GL_BLEND);
1585 glMatrixMode(GL_PROJECTION);
1587 glOrtho(0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100);
1589 glTranslatef(0, -(float)m_Camera.height, 0);
1590 glMatrixMode(GL_MODELVIEW);
1593 if(GlobalOpenGL().GL_1_3())
1595 glClientActiveTexture(GL_TEXTURE0);
1596 glActiveTexture(GL_TEXTURE0);
1599 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
1600 glDisableClientState(GL_NORMAL_ARRAY);
1601 glDisableClientState(GL_COLOR_ARRAY);
1603 glDisable(GL_TEXTURE_2D);
1604 glDisable(GL_LIGHTING);
1605 glDisable(GL_COLOR_MATERIAL);
1606 glDisable(GL_DEPTH_TEST);
1607 glColor3f( 1.f, 1.f, 1.f );
1610 // draw the crosshair
1613 glBegin( GL_LINES );
1614 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
1615 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
1616 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
1617 glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
1618 glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
1619 glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
1620 glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
1621 glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
1625 glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 1.0f, 0.0f);
1626 extern const char* Renderer_GetStats();
1627 GlobalOpenGL().drawString(Renderer_GetStats());
1629 glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 11.0f, 0.0f);
1630 extern const char* Cull_GetStats();
1631 GlobalOpenGL().drawString(Cull_GetStats());
1633 // bind back to the default texture so that we don't have problems
1634 // elsewhere using/modifying texture maps between contexts
1635 glBindTexture( GL_TEXTURE_2D, 0 );
1642 //globalOutputStream() << "draw...\n";
1643 if (glwidget_make_current(m_gl_widget) != FALSE)
1645 if(Map_Valid(g_map) && ScreenUpdates_Enabled())
1647 GlobalOpenGL_debugAssertNoErrors();
1649 GlobalOpenGL_debugAssertNoErrors();
1652 m_XORRectangle.set(rectangle_t());
1655 glwidget_swap_buffers(m_gl_widget);
1661 void CamWnd::BenchMark()
1663 double dStart = Sys_DoubleTime();
1664 for (int i=0 ; i < 100 ; i++)
1667 angles[CAMERA_ROLL] = 0;
1668 angles[CAMERA_PITCH] = 0;
1669 angles[CAMERA_YAW] = static_cast<float>(i * (360.0 / 100.0));
1670 Camera_setAngles(*this, angles);
1672 double dEnd = Sys_DoubleTime();
1673 globalOutputStream() << FloatFormat(dEnd - dStart, 5, 2), " seconds\n";
1677 void fill_view_camera_menu(GtkMenu* menu)
1679 create_check_menu_item_with_mnemonic(menu, "Camera View", "ToggleCamera");
1682 void GlobalCamera_ResetAngles()
1684 CamWnd& camwnd = *g_camwnd;
1686 angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
1687 angles[CAMERA_YAW] = static_cast<float>(22.5 * floor((Camera_getAngles(camwnd)[CAMERA_YAW]+11)/22.5));
1688 Camera_setAngles(camwnd, angles);
1691 void Camera_ChangeFloorUp()
1693 CamWnd& camwnd = *g_camwnd;
1694 camwnd.Cam_ChangeFloor (true);
1697 void Camera_ChangeFloorDown()
1699 CamWnd& camwnd = *g_camwnd;
1700 camwnd.Cam_ChangeFloor (false);
1703 void Camera_CubeIn()
1705 CamWnd& camwnd = *g_camwnd;
1706 g_camwindow_globals.m_nCubicScale--;
1707 if (g_camwindow_globals.m_nCubicScale < 1)
1708 g_camwindow_globals.m_nCubicScale = 1;
1709 Camera_updateProjection(camwnd.getCamera());
1710 CamWnd_Update(camwnd);
1711 g_pParentWnd->SetGridStatus();
1714 void Camera_CubeOut()
1716 CamWnd& camwnd = *g_camwnd;
1717 g_camwindow_globals.m_nCubicScale++;
1718 if (g_camwindow_globals.m_nCubicScale > 23)
1719 g_camwindow_globals.m_nCubicScale = 23;
1720 Camera_updateProjection(camwnd.getCamera());
1721 CamWnd_Update(camwnd);
1722 g_pParentWnd->SetGridStatus();
1725 bool Camera_GetFarClip()
1727 return g_camwindow_globals_private.m_bCubicClipping;
1730 BoolExportCaller g_getfarclip_caller(g_camwindow_globals_private.m_bCubicClipping);
1731 ToggleItem g_getfarclip_item(g_getfarclip_caller);
1733 void Camera_SetFarClip(bool value)
1735 CamWnd& camwnd = *g_camwnd;
1736 g_camwindow_globals_private.m_bCubicClipping = value;
1737 g_getfarclip_item.update();
1738 Camera_updateProjection(camwnd.getCamera());
1739 CamWnd_Update(camwnd);
1742 void Camera_ToggleFarClip()
1744 Camera_SetFarClip(!Camera_GetFarClip());
1748 void CamWnd_constructToolbar(GtkToolbar* toolbar)
1750 toolbar_append_toggle_button(toolbar, "Cubic clip the camera view", "view_cubicclipping.bmp", "ToggleCubicClip");
1753 void CamWnd_registerShortcuts()
1755 toggle_add_accelerator("ToggleCubicClip");
1757 if(g_pGameDescription->mGameType == "doom3")
1759 command_connect_accelerator("TogglePreview");
1764 void GlobalCamera_Benchmark()
1766 CamWnd& camwnd = *g_camwnd;
1770 void GlobalCamera_Update()
1772 CamWnd& camwnd = *g_camwnd;
1773 CamWnd_Update(camwnd);
1776 camera_draw_mode CamWnd_GetMode()
1778 return camera_t::draw_mode;
1780 void CamWnd_SetMode(camera_draw_mode mode)
1782 ShaderCache_setBumpEnabled(mode == cd_lighting);
1783 camera_t::draw_mode = mode;
1786 CamWnd_Update(*g_camwnd);
1790 void CamWnd_TogglePreview(void)
1792 // gametype must be doom3 for this function to work
1793 // if the gametype is not doom3 something is wrong with the
1794 // global command list or somebody else calls this function.
1795 ASSERT_MESSAGE(g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible");
1797 // switch between textured and lighting mode
1798 CamWnd_SetMode((CamWnd_GetMode() == cd_lighting) ? cd_texture : cd_lighting);
1802 CameraModel* g_camera_model = 0;
1804 void CamWnd_LookThroughCamera(CamWnd& camwnd)
1806 if(g_camera_model != 0)
1808 CamWnd_Add_Handlers_Move(camwnd);
1809 g_camera_model->setCameraView(0, Callback());
1811 Camera_updateModelview(camwnd.getCamera());
1812 Camera_updateProjection(camwnd.getCamera());
1813 CamWnd_Update(camwnd);
1817 inline CameraModel* Instance_getCameraModel(scene::Instance& instance)
1819 return InstanceTypeCast<CameraModel>::cast(instance);
1822 void CamWnd_LookThroughSelected(CamWnd& camwnd)
1824 if(g_camera_model != 0)
1826 CamWnd_LookThroughCamera(camwnd);
1829 if(GlobalSelectionSystem().countSelected() != 0)
1831 scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
1832 CameraModel* cameraModel = Instance_getCameraModel(instance);
1833 if(cameraModel != 0)
1835 CamWnd_Remove_Handlers_Move(camwnd);
1836 g_camera_model = cameraModel;
1837 g_camera_model->setCameraView(&camwnd.getCameraView(), ReferenceCaller<CamWnd, CamWnd_LookThroughCamera>(camwnd));
1842 void GlobalCamera_LookThroughSelected()
1844 CamWnd_LookThroughSelected(*g_camwnd);
1847 void GlobalCamera_LookThroughCamera()
1849 CamWnd_LookThroughCamera(*g_camwnd);
1853 void RenderModeImport(int value)
1858 CamWnd_SetMode(cd_wire);
1861 CamWnd_SetMode(cd_solid);
1864 CamWnd_SetMode(cd_texture);
1867 CamWnd_SetMode(cd_lighting);
1870 CamWnd_SetMode(cd_texture);
1873 typedef FreeCaller1<int, RenderModeImport> RenderModeImportCaller;
1875 void RenderModeExport(const IntImportCallback& importer)
1877 switch(CamWnd_GetMode())
1893 typedef FreeCaller1<const IntImportCallback&, RenderModeExport> RenderModeExportCaller;
1895 void Camera_constructPreferences(PreferencesPage& page)
1897 page.appendSlider("Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, 50, 300, 1, 10, 10);
1898 page.appendSlider("Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10, 10);
1899 page.appendCheckBox("", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse);
1900 page.appendCheckBox(
1901 "", "Discrete movement",
1902 FreeCaller1<bool, CamWnd_Move_Discrete_Import>(),
1903 BoolExportCaller(g_camwindow_globals_private.m_bCamDiscrete)
1905 page.appendCheckBox(
1906 "", "Enable far-clip plane",
1907 FreeCaller1<bool, Camera_SetFarClip>(),
1908 BoolExportCaller(g_camwindow_globals_private.m_bCubicClipping)
1911 if(g_pGameDescription->mGameType == "doom3")
1913 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
1917 STRING_ARRAY_RANGE(render_mode),
1918 IntImportCallback(RenderModeImportCaller()),
1919 IntExportCallback(RenderModeExportCaller())
1924 const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
1928 STRING_ARRAY_RANGE(render_mode),
1929 IntImportCallback(RenderModeImportCaller()),
1930 IntExportCallback(RenderModeExportCaller())
1934 void Camera_constructPage(PreferenceGroup& group)
1936 PreferencesPage page(group.createPage("Camera", "Camera View Preferences"));
1937 Camera_constructPreferences(page);
1939 void Camera_registerPreferencesPage()
1941 PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Camera_constructPage>());
1944 #include "preferencesystem.h"
1945 #include "stringio.h"
1948 typedef FreeCaller1<bool, CamWnd_Move_Discrete_Import> CamWndMoveDiscreteImportCaller;
1950 /// \brief Initialisation for things that have the same lifespan as this module.
1951 void CamWnd_Construct()
1953 GlobalCommands_insert("CenterView", FreeCaller<GlobalCamera_ResetAngles>(), Accelerator(GDK_End));
1955 GlobalToggles_insert("ToggleCubicClip", FreeCaller<Camera_ToggleFarClip>(), ToggleItem::AddCallbackCaller(g_getfarclip_item), Accelerator('\\', (GdkModifierType)GDK_CONTROL_MASK));
1956 GlobalCommands_insert("CubicClipZoomIn", FreeCaller<Camera_CubeIn>(), Accelerator('[', (GdkModifierType)GDK_CONTROL_MASK));
1957 GlobalCommands_insert("CubicClipZoomOut", FreeCaller<Camera_CubeOut>(), Accelerator(']', (GdkModifierType)GDK_CONTROL_MASK));
1959 GlobalCommands_insert("UpFloor", FreeCaller<Camera_ChangeFloorUp>(), Accelerator(GDK_Prior));
1960 GlobalCommands_insert("DownFloor", FreeCaller<Camera_ChangeFloorDown>(), Accelerator(GDK_Next));
1962 GlobalToggles_insert("ToggleCamera", ToggleShown::ToggleCaller(g_camera_shown), ToggleItem::AddCallbackCaller(g_camera_shown.m_item), Accelerator('C', (GdkModifierType)(GDK_SHIFT_MASK|GDK_CONTROL_MASK)));
1963 GlobalCommands_insert("LookThroughSelected", FreeCaller<GlobalCamera_LookThroughSelected>());
1964 GlobalCommands_insert("LookThroughCamera", FreeCaller<GlobalCamera_LookThroughCamera>());
1966 if(g_pGameDescription->mGameType == "doom3")
1968 GlobalCommands_insert("TogglePreview", FreeCaller<CamWnd_TogglePreview>(), Accelerator(GDK_F3));
1971 GlobalShortcuts_insert("CameraForward", Accelerator(GDK_Up));
1972 GlobalShortcuts_insert("CameraBack", Accelerator(GDK_Down));
1973 GlobalShortcuts_insert("CameraLeft", Accelerator(GDK_Left));
1974 GlobalShortcuts_insert("CameraRight", Accelerator(GDK_Right));
1975 GlobalShortcuts_insert("CameraStrafeRight", Accelerator(GDK_period));
1976 GlobalShortcuts_insert("CameraStrafeLeft", Accelerator(GDK_comma));
1978 GlobalShortcuts_insert("CameraUp", Accelerator('D'));
1979 GlobalShortcuts_insert("CameraDown", Accelerator('C'));
1980 GlobalShortcuts_insert("CameraAngleUp", Accelerator('A'));
1981 GlobalShortcuts_insert("CameraAngleDown", Accelerator('Z'));
1983 GlobalShortcuts_insert("CameraFreeMoveForward", Accelerator(GDK_Up));
1984 GlobalShortcuts_insert("CameraFreeMoveBack", Accelerator(GDK_Down));
1985 GlobalShortcuts_insert("CameraFreeMoveLeft", Accelerator(GDK_Left));
1986 GlobalShortcuts_insert("CameraFreeMoveRight", Accelerator(GDK_Right));
1988 GlobalPreferenceSystem().registerPreference("MoveSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nMoveSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nMoveSpeed));
1989 GlobalPreferenceSystem().registerPreference("AngleSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nAngleSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nAngleSpeed));
1990 GlobalPreferenceSystem().registerPreference("CamInverseMouse", BoolImportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse), BoolExportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse));
1991 GlobalPreferenceSystem().registerPreference("CamDiscrete", makeBoolStringImportCallback(CamWndMoveDiscreteImportCaller()), BoolExportStringCaller(g_camwindow_globals_private.m_bCamDiscrete));
1992 GlobalPreferenceSystem().registerPreference("CubicClipping", BoolImportStringCaller(g_camwindow_globals_private.m_bCubicClipping), BoolExportStringCaller(g_camwindow_globals_private.m_bCubicClipping));
1993 GlobalPreferenceSystem().registerPreference("CubicScale", IntImportStringCaller(g_camwindow_globals.m_nCubicScale), IntExportStringCaller(g_camwindow_globals.m_nCubicScale));
1994 GlobalPreferenceSystem().registerPreference("SI_Colors4", Vector3ImportStringCaller(g_camwindow_globals.color_cameraback), Vector3ExportStringCaller(g_camwindow_globals.color_cameraback));
1995 GlobalPreferenceSystem().registerPreference("SI_Colors12", Vector3ImportStringCaller(g_camwindow_globals.color_selbrushes3d), Vector3ExportStringCaller(g_camwindow_globals.color_selbrushes3d));
1996 GlobalPreferenceSystem().registerPreference("CameraRenderMode", makeIntStringImportCallback(RenderModeImportCaller()), makeIntStringExportCallback(RenderModeExportCaller()));
1998 CamWnd_constructStatic();
2000 Camera_registerPreferencesPage();
2002 void CamWnd_Destroy()
2004 CamWnd_destroyStatic();