/
CamWnd.cpp
1147 lines (901 loc) · 33.5 KB
/
CamWnd.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#include "CamWnd.h"
#include "igl.h"
#include "ibrush.h"
#include "iclipper.h"
#include "iuimanager.h"
#include "ieventmanager.h"
#include "imainframe.h"
#include "itextstream.h"
#include "iorthoview.h"
#include "icamera.h"
#include <time.h>
#include <fmt/format.h>
#include "util/ScopedBoolLock.h"
#include "iselectiontest.h"
#include "selectionlib.h"
#include "gamelib.h"
#include "CamRenderer.h"
#include "CameraSettings.h"
#include "GlobalCamera.h"
#include "render/RenderStatistics.h"
#include "render/RenderableCollectionWalker.h"
#include "wxutil/MouseButton.h"
#include "registry/adaptors.h"
#include "selection/OccludeSelector.h"
#include "selection/Device.h"
#include "selection/SelectionTest.h"
#include "debugging/debugging.h"
#include <wx/sizer.h>
#include "util/ScopedBoolLock.h"
#include <functional>
#include <sigc++/retype_return.h>
namespace ui
{
namespace
{
const std::size_t MSEC_PER_FRAME = 16;
const char* const FAR_CLIP_IN_TEXT = N_("Move far clip plane closer");
const char* const FAR_CLIP_OUT_TEXT = N_("Move far clip plane further away");
const char* const FAR_CLIP_DISABLED_TEXT = N_(" (currently disabled in preferences)");
const char* const RKEY_SELECT_EPSILON = "user/ui/selectionEpsilon";
}
class ObjectFinder :
public scene::NodeVisitor
{
scene::INodePtr _node;
SelectionTest& _selectionTest;
// To store the best intersection candidate
SelectionIntersection _bestIntersection;
public:
// Constructor
ObjectFinder(SelectionTest& test) :
_selectionTest(test)
{}
// Return the found node
const scene::INodePtr& getNode() const {
return _node;
}
// The visitor function
bool pre(const scene::INodePtr& node) {
// Check if the node is filtered
if (node->visible()) {
SelectionTestablePtr selectionTestable = Node_getSelectionTestable(node);
if (selectionTestable != NULL) {
bool occluded;
selection::OccludeSelector selector(_bestIntersection, occluded);
selectionTestable->testSelect(selector, _selectionTest);
if (occluded) {
_node = node;
}
}
}
else {
return false; // don't traverse filtered nodes
}
return true;
}
};
inline Vector2 windowvector_for_widget_centre(wxutil::GLWidget& widget)
{
wxSize size = widget.GetSize();
return Vector2(static_cast<float>(size.GetWidth() / 2), static_cast<float>(size.GetHeight() / 2));
}
class FloorHeightWalker :
public scene::NodeVisitor
{
float _current;
float& _bestUp;
float& _bestDown;
public:
FloorHeightWalker(float current, float& bestUp, float& bestDown) :
_current(current),
_bestUp(bestUp),
_bestDown(bestDown)
{
_bestUp = game::current::getValue<float>("/defaults/maxWorldCoord");
_bestDown = -game::current::getValue<float>("/defaults/maxWorldCoord");
}
bool pre(const scene::INodePtr& node) {
if (!node->visible()) return false; // don't traverse hidden nodes
if (Node_isBrush(node)) // this node is a floor
{
const AABB& aabb = node->worldAABB();
float floorHeight = aabb.origin.z() + aabb.extents.z();
if (floorHeight > _current && floorHeight < _bestUp) {
_bestUp = floorHeight;
}
if (floorHeight < _current && floorHeight > _bestDown) {
_bestDown = floorHeight;
}
return false;
}
return true;
}
};
// ---------- CamWnd Implementation --------------------------------------------------
CamWnd::CamWnd(wxWindow* parent) :
MouseToolHandler(IMouseToolGroup::Type::CameraView),
_mainWxWidget(loadNamedPanel(parent, "CamWndPanel")),
_id(++_maxId),
_view(true),
_camera(&_view, Callback(std::bind(&CamWnd::queueDraw, this))),
_cameraView(_camera, &_view, Callback(std::bind(&CamWnd::update, this))),
_drawing(false),
_wxGLWidget(new wxutil::GLWidget(_mainWxWidget, std::bind(&CamWnd::onRender, this), "CamWnd")),
_timer(this),
_timerLock(false)
{
Bind(wxEVT_TIMER, &CamWnd::onFrame, this);
constructGUIComponents();
// Connect the mouse button events
_wxGLWidget->Bind(wxEVT_LEFT_DOWN, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_LEFT_DCLICK, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_LEFT_UP, &CamWnd::onGLMouseButtonRelease, this);
_wxGLWidget->Bind(wxEVT_RIGHT_DOWN, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_RIGHT_DCLICK, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_RIGHT_UP, &CamWnd::onGLMouseButtonRelease, this);
_wxGLWidget->Bind(wxEVT_MIDDLE_DOWN, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_MIDDLE_DCLICK, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_MIDDLE_UP, &CamWnd::onGLMouseButtonRelease, this);
_wxGLWidget->Bind(wxEVT_AUX1_DOWN, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_AUX1_DCLICK, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_AUX1_UP, &CamWnd::onGLMouseButtonRelease, this);
_wxGLWidget->Bind(wxEVT_AUX2_DOWN, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_AUX2_DCLICK, &CamWnd::onGLMouseButtonPress, this);
_wxGLWidget->Bind(wxEVT_AUX2_UP, &CamWnd::onGLMouseButtonRelease, this);
// Now add the handlers for the non-freelook mode, the events are activated by this
addHandlersMove();
// Clicks are eaten when the FreezePointer is active, request to receive them
_freezePointer.connectMouseEvents(
std::bind(&CamWnd::onGLMouseButtonPress, this, std::placeholders::_1),
std::bind(&CamWnd::onGLMouseButtonRelease, this, std::placeholders::_1));
// Subscribe to the global scene graph update
GlobalSceneGraph().addSceneObserver(this);
_glExtensionsInitialisedNotifier = GlobalRenderSystem().signal_extensionsInitialised().connect(
sigc::mem_fun(this, &CamWnd::onGLExtensionsInitialised));
}
wxWindow* CamWnd::getMainWidget() const
{
return _mainWxWidget;
}
void CamWnd::constructToolbar()
{
// If lighting is not available, grey out the lighting button
wxToolBar* camToolbar = findNamedObject<wxToolBar>(_mainWxWidget, "CamToolbar");
const wxToolBarToolBase* wireframeBtn = getToolBarToolByLabel(camToolbar, "wireframeBtn");
const wxToolBarToolBase* flatShadeBtn = getToolBarToolByLabel(camToolbar, "flatShadeBtn");
const wxToolBarToolBase* texturedBtn = getToolBarToolByLabel(camToolbar, "texturedBtn");
const wxToolBarToolBase* lightingBtn = getToolBarToolByLabel(camToolbar, "lightingBtn");
if (!GlobalOpenGL().shaderProgramsAvailable())
{
//lightingBtn->set_sensitive(false);
camToolbar->EnableTool(lightingBtn->GetId(), false);
}
// Listen for render-mode changes, and set the correct active button to
// start with.
getCameraSettings()->signalRenderModeChanged().connect(
sigc::mem_fun(this, &CamWnd::updateActiveRenderModeButton)
);
updateActiveRenderModeButton();
// Connect button signals
_mainWxWidget->GetParent()->Connect(wireframeBtn->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onRenderModeButtonsChanged), NULL, this);
_mainWxWidget->GetParent()->Connect(flatShadeBtn->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onRenderModeButtonsChanged), NULL, this);
_mainWxWidget->GetParent()->Connect(texturedBtn->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onRenderModeButtonsChanged), NULL, this);
_mainWxWidget->GetParent()->Connect(lightingBtn->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onRenderModeButtonsChanged), NULL, this);
// Far clip buttons.
wxToolBar* miscToolbar = static_cast<wxToolBar*>(_mainWxWidget->FindWindow("MiscToolbar"));
const wxToolBarToolBase* clipPlaneInButton = getToolBarToolByLabel(miscToolbar, "clipPlaneInButton");
const wxToolBarToolBase* clipPlaneOutButton = getToolBarToolByLabel(miscToolbar, "clipPlaneOutButton");
_mainWxWidget->GetParent()->Connect(clipPlaneInButton->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onFarClipPlaneInClick), NULL, this);
_mainWxWidget->GetParent()->Connect(clipPlaneOutButton->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onFarClipPlaneOutClick), NULL, this);
setFarClipButtonSensitivity();
GlobalRegistry().signalForKey(RKEY_ENABLE_FARCLIP).connect(
sigc::mem_fun(*this, &CamWnd::setFarClipButtonSensitivity)
);
const wxToolBarToolBase* startTimeButton = getToolBarToolByLabel(miscToolbar, "startTimeButton");
const wxToolBarToolBase* stopTimeButton = getToolBarToolByLabel(miscToolbar, "stopTimeButton");
_mainWxWidget->GetParent()->Connect(startTimeButton->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onStartTimeButtonClick), NULL, this);
_mainWxWidget->GetParent()->Connect(stopTimeButton->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler(CamWnd::onStopTimeButtonClick), NULL, this);
// Stop time, initially
stopRenderTime();
// Handle hiding or showing the toolbar (Preferences/Settings/Camera page)
updateToolbarVisibility();
GlobalRegistry().signalForKey(RKEY_SHOW_CAMERA_TOOLBAR).connect(
sigc::mem_fun(this, &CamWnd::updateToolbarVisibility)
);
}
void CamWnd::updateToolbarVisibility()
{
bool visible = getCameraSettings()->showCameraToolbar();
_mainWxWidget->FindWindow("CamToolbar")->Show(visible);
_mainWxWidget->FindWindow("MiscToolbar")->Show(visible);
// WxWidgets/GTK doesn't seem to automatically refresh the layout when we
// hide/show the toolbars
_mainWxWidget->GetSizer()->Layout();
}
void CamWnd::onGLExtensionsInitialised()
{
// If lighting is not available, grey out the lighting button
wxToolBar* camToolbar = findNamedObject<wxToolBar>(_mainWxWidget, "CamToolbar");
const wxToolBarToolBase* lightingBtn = getToolBarToolByLabel(camToolbar, "lightingBtn");
camToolbar->EnableTool(lightingBtn->GetId(), GlobalOpenGL().shaderProgramsAvailable());
}
void CamWnd::setFarClipButtonSensitivity()
{
// Only enabled if cubic clipping is enabled.
bool enabled = registry::getValue<bool>(RKEY_ENABLE_FARCLIP, true);
wxToolBar* miscToolbar = static_cast<wxToolBar*>(_mainWxWidget->FindWindow("MiscToolbar"));
wxToolBarToolBase* clipPlaneInButton =
const_cast<wxToolBarToolBase*>(getToolBarToolByLabel(miscToolbar, "clipPlaneInButton"));
wxToolBarToolBase* clipPlaneOutButton =
const_cast<wxToolBarToolBase*>(getToolBarToolByLabel(miscToolbar, "clipPlaneOutButton"));
miscToolbar->EnableTool(clipPlaneInButton->GetId(), enabled);
miscToolbar->EnableTool(clipPlaneOutButton->GetId(), enabled);
// Update tooltips so users know why they are disabled
clipPlaneInButton->SetShortHelp(fmt::format("{0}{1}", _(FAR_CLIP_IN_TEXT), (enabled ? "" : _(FAR_CLIP_DISABLED_TEXT))));
clipPlaneOutButton->SetShortHelp(fmt::format("{0}{1}", _(FAR_CLIP_OUT_TEXT), (enabled ? "" : _(FAR_CLIP_DISABLED_TEXT))));
}
void CamWnd::constructGUIComponents()
{
constructToolbar();
// Set up wxGL widget
_wxGLWidget->SetCanFocus(false);
_wxGLWidget->SetMinClientSize(wxSize(CAMWND_MINSIZE_X, CAMWND_MINSIZE_Y));
_wxGLWidget->Connect(wxEVT_SIZE, wxSizeEventHandler(CamWnd::onGLResize), NULL, this);
_wxGLWidget->Connect(wxEVT_MOUSEWHEEL, wxMouseEventHandler(CamWnd::onMouseScroll), NULL, this);
_mainWxWidget->GetSizer()->Add(_wxGLWidget, 1, wxEXPAND);
}
CamWnd::~CamWnd()
{
// Stop the timer, it might still fire even during shutdown
_timer.Stop();
// Unsubscribe from the global scene graph update
GlobalSceneGraph().removeSceneObserver(this);
if (_camera.freeMoveEnabled) {
disableFreeMove();
}
removeHandlersMove();
// Notify the camera manager about our destruction
GlobalCamera().removeCamWnd(_id);
}
SelectionTestPtr CamWnd::createSelectionTestForPoint(const Vector2& point)
{
float selectEpsilon = registry::getValue<float>(RKEY_SELECT_EPSILON);
// Get the mouse position
Vector2 deviceEpsilon(selectEpsilon / getCamera().width, selectEpsilon / getCamera().height);
// Copy the current view and constrain it to a small rectangle
render::View scissored(_view);
auto rect = selection::Rectangle::ConstructFromPoint(point, deviceEpsilon);
scissored.EnableScissor(rect.min[0], rect.max[0],
rect.min[1], rect.max[1]);
return SelectionTestPtr(new SelectionVolume(scissored));
}
const VolumeTest& CamWnd::getVolumeTest() const
{
return _view;
}
int CamWnd::getDeviceWidth() const
{
return _camera.width;
}
int CamWnd::getDeviceHeight() const
{
return _camera.height;
}
void CamWnd::startRenderTime()
{
if (_timer.IsRunning())
{
// Timer is already running, just reset the preview time
GlobalRenderSystem().setTime(0);
}
else
{
// Timer is not enabled, we're paused or stopped
_timer.Start(MSEC_PER_FRAME);
_timerLock = false; // reset the lock, just in case
}
wxToolBar* miscToolbar = static_cast<wxToolBar*>(_mainWxWidget->FindWindow("MiscToolbar"));
const wxToolBarToolBase* stopTimeButton = getToolBarToolByLabel(miscToolbar, "stopTimeButton");
miscToolbar->EnableTool(stopTimeButton->GetId(), true);
}
void CamWnd::onStartTimeButtonClick(wxCommandEvent& ev)
{
startRenderTime();
}
void CamWnd::onStopTimeButtonClick(wxCommandEvent& ev)
{
stopRenderTime();
}
void CamWnd::onFrame(wxTimerEvent& ev)
{
// Calling wxTheApp->Yield() might cause another timer callback if enough
// time has passed during rendering. Calling Yield() within Yield()
// might in the end cause stack overflows and is caught by wxWidgets.
if (!_timerLock)
{
util::ScopedBoolLock lock(_timerLock);
GlobalRenderSystem().setTime(GlobalRenderSystem().getTime() + _timer.GetInterval());
// Mouse movement is handled via idle callbacks, so let's give the app a chance to react
wxTheApp->ProcessIdle();
_wxGLWidget->Refresh();
}
}
void CamWnd::stopRenderTime()
{
_timer.Stop();
wxToolBar* miscToolbar = static_cast<wxToolBar*>(_mainWxWidget->FindWindow("MiscToolbar"));
const wxToolBarToolBase* startTimeButton = getToolBarToolByLabel(miscToolbar, "startTimeButton");
const wxToolBarToolBase* stopTimeButton = getToolBarToolByLabel(miscToolbar, "stopTimeButton");
miscToolbar->EnableTool(startTimeButton->GetId(), true);
miscToolbar->EnableTool(stopTimeButton->GetId(), false);
}
void CamWnd::onRenderModeButtonsChanged(wxCommandEvent& ev)
{
if (ev.GetInt() == 0) // un-toggled
{
return; // Don't react on UnToggle events
}
wxToolBar* camToolbar = static_cast<wxToolBar*>(_mainWxWidget->FindWindow("CamToolbar"));
// This function will be called twice, once for the inactivating button and
// once for the activating button
if (getToolBarToolByLabel(camToolbar, "texturedBtn")->GetId() == ev.GetId())
{
getCameraSettings()->setRenderMode(RENDER_MODE_TEXTURED);
}
else if (getToolBarToolByLabel(camToolbar, "wireframeBtn")->GetId() == ev.GetId())
{
getCameraSettings()->setRenderMode(RENDER_MODE_WIREFRAME);
}
else if (getToolBarToolByLabel(camToolbar, "flatShadeBtn")->GetId() == ev.GetId())
{
getCameraSettings()->setRenderMode(RENDER_MODE_SOLID);
}
else if (getToolBarToolByLabel(camToolbar, "lightingBtn")->GetId() == ev.GetId())
{
getCameraSettings()->setRenderMode(RENDER_MODE_LIGHTING);
}
}
void CamWnd::updateActiveRenderModeButton()
{
wxToolBar* camToolbar = static_cast<wxToolBar*>(_mainWxWidget->FindWindow("CamToolbar"));
switch (getCameraSettings()->getRenderMode())
{
case RENDER_MODE_WIREFRAME:
camToolbar->ToggleTool(getToolBarToolByLabel(camToolbar, "wireframeBtn")->GetId(), true);
break;
case RENDER_MODE_SOLID:
camToolbar->ToggleTool(getToolBarToolByLabel(camToolbar, "flatShadeBtn")->GetId(), true);
break;
case RENDER_MODE_TEXTURED:
camToolbar->ToggleTool(getToolBarToolByLabel(camToolbar, "texturedBtn")->GetId(), true);
break;
case RENDER_MODE_LIGHTING:
camToolbar->ToggleTool(getToolBarToolByLabel(camToolbar, "lightingBtn")->GetId(), true);
break;
default:
assert(false);
}
}
int CamWnd::getId()
{
return _id;
}
void CamWnd::jumpToObject(SelectionTest& selectionTest) {
// Find a suitable target node
ObjectFinder finder(selectionTest);
GlobalSceneGraph().root()->traverse(finder);
if (finder.getNode() != NULL) {
// A node has been found, get the bounding box
AABB found = finder.getNode()->worldAABB();
// Focus the view at the center of the found AABB
// Set the camera and the views to the given point
GlobalCameraView().focusCamera(found.origin, getCameraAngles());
GlobalXYWndManager().setOrigin(found.origin);
}
}
void CamWnd::changeFloor(const bool up) {
float current = _camera.getOrigin()[2] - 48;
float bestUp;
float bestDown;
FloorHeightWalker walker(current, bestUp, bestDown);
GlobalSceneGraph().root()->traverse(walker);
if (up && bestUp != game::current::getValue<float>("/defaults/maxWorldCoord")) {
current = bestUp;
}
if (!up && bestDown != -game::current::getValue<float>("/defaults/maxWorldCoord")) {
current = bestDown;
}
const Vector3& org = _camera.getOrigin();
_camera.setOrigin(Vector3(org[0], org[1], current + 48));
_camera.updateModelview();
update();
GlobalCamera().movedNotify();
}
void CamWnd::enableFreeMove()
{
ASSERT_MESSAGE(!_camera.freeMoveEnabled, "EnableFreeMove: free-move was already enabled");
_camera.freeMoveEnabled = true;
_camera.clearMovementFlags(MOVE_ALL);
removeHandlersMove();
update();
}
void CamWnd::disableFreeMove()
{
ASSERT_MESSAGE(_camera.freeMoveEnabled, "DisableFreeMove: free-move was not enabled");
_camera.freeMoveEnabled = false;
_camera.clearMovementFlags(MOVE_ALL);
addHandlersMove();
update();
}
bool CamWnd::freeMoveEnabled() const
{
return _camera.freeMoveEnabled;
}
void CamWnd::Cam_Draw()
{
wxSize glSize = _wxGLWidget->GetSize();
if (_camera.width != glSize.GetWidth() || _camera.height != glSize.GetHeight())
{
_camera.width = glSize.GetWidth();
_camera.height = glSize.GetHeight();
_camera.updateProjection();
}
if (_camera.height == 0 || _camera.width == 0)
{
return; // otherwise we'll receive OpenGL errors in ortho rendering below
}
glViewport(0, 0, _camera.width, _camera.height);
// enable depth buffer writes
glDepthMask(GL_TRUE);
Vector3 clearColour(0, 0, 0);
if (getCameraSettings()->getRenderMode() != RENDER_MODE_LIGHTING)
{
clearColour = ColourSchemes().getColour("camera_background");
}
glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
render::RenderStatistics::Instance().resetStats();
render::View::resetCullStats();
glMatrixMode(GL_PROJECTION);
glLoadMatrixd(_camera.projection);
glMatrixMode(GL_MODELVIEW);
glLoadMatrixd(_camera.modelview);
// one directional light source directly behind the viewer
{
GLfloat inverse_cam_dir[4], ambient[4], diffuse[4];//, material[4];
ambient[0] = ambient[1] = ambient[2] = 0.4f;
ambient[3] = 1.0f;
diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
diffuse[3] = 1.0f;
//material[0] = material[1] = material[2] = 0.8f;
//material[3] = 1.0f;
inverse_cam_dir[0] = _camera.vpn[0];
inverse_cam_dir[1] = _camera.vpn[1];
inverse_cam_dir[2] = _camera.vpn[2];
inverse_cam_dir[3] = 0;
glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
glEnable(GL_LIGHT0);
}
// Set the allowed render flags for this view
unsigned int allowedRenderFlags = RENDER_DEPTHTEST
| RENDER_MASKCOLOUR
| RENDER_DEPTHWRITE
| RENDER_ALPHATEST
| RENDER_BLEND
| RENDER_CULLFACE
| RENDER_OFFSETLINE
| RENDER_VERTEX_COLOUR
| RENDER_POINT_COLOUR;
// Add mode-specific render flags
switch (getCameraSettings()->getRenderMode())
{
case RENDER_MODE_WIREFRAME:
break;
case RENDER_MODE_SOLID:
allowedRenderFlags |= RENDER_FILL
| RENDER_LIGHTING
| RENDER_SMOOTH
| RENDER_SCALED;
break;
case RENDER_MODE_TEXTURED:
allowedRenderFlags |= RENDER_FILL
| RENDER_LIGHTING
| RENDER_TEXTURE_2D
| RENDER_SMOOTH
| RENDER_SCALED;
break;
case RENDER_MODE_LIGHTING:
allowedRenderFlags |= RENDER_FILL
| RENDER_LIGHTING
| RENDER_TEXTURE_2D
| RENDER_TEXTURE_CUBEMAP
| RENDER_VERTEX_COLOUR
| RENDER_SMOOTH
| RENDER_SCALED
| RENDER_BUMP
| RENDER_PROGRAM;
break;
default:
allowedRenderFlags = 0;
break;
}
if (!getCameraSettings()->solidSelectionBoxes())
{
allowedRenderFlags |= RENDER_LINESTIPPLE
| RENDER_POLYGONSTIPPLE;
}
{
CamRenderer renderer(allowedRenderFlags, _primitiveHighlightShader,
_faceHighlightShader, _view.getViewer());
render::RenderableCollectionWalker::CollectRenderablesInScene(renderer, _view);
// Render any active mousetools
for (const ActiveMouseTools::value_type& i : _activeMouseTools)
{
i.second->render(GlobalRenderSystem(), renderer, _view);
}
renderer.render(_camera.modelview, _camera.projection);
}
// greebo: Draw the clipper's points (skipping the depth-test)
{
glDisable(GL_DEPTH_TEST);
glColor4f(1, 1, 1, 1);
glPointSize(5);
if (GlobalClipper().clipMode()) {
GlobalClipper().draw(1.0f);
}
glPointSize(1);
}
// prepare for 2d stuff
glColor4f(1, 1, 1, 1);
glDisable(GL_BLEND);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, (float)_camera.width, 0, (float)_camera.height, -100, 100);
glScalef(1, -1, 1);
glTranslatef(0, -(float)_camera.height, 0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if (GLEW_VERSION_1_3)
{
glClientActiveTexture(GL_TEXTURE0);
glActiveTexture(GL_TEXTURE0);
}
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_DEPTH_TEST);
glColor3f( 1.f, 1.f, 1.f );
glLineWidth(1);
// draw the crosshair
if (_camera.freeMoveEnabled) {
glBegin( GL_LINES );
glVertex2f( (float)_camera.width / 2.f, (float)_camera.height / 2.f + 6 );
glVertex2f( (float)_camera.width / 2.f, (float)_camera.height / 2.f + 2 );
glVertex2f( (float)_camera.width / 2.f, (float)_camera.height / 2.f - 6 );
glVertex2f( (float)_camera.width / 2.f, (float)_camera.height / 2.f - 2 );
glVertex2f( (float)_camera.width / 2.f + 6, (float)_camera.height / 2.f );
glVertex2f( (float)_camera.width / 2.f + 2, (float)_camera.height / 2.f );
glVertex2f( (float)_camera.width / 2.f - 6, (float)_camera.height / 2.f );
glVertex2f( (float)_camera.width / 2.f - 2, (float)_camera.height / 2.f );
glEnd();
}
glRasterPos3f(1.0f, static_cast<float>(_camera.height) - 1.0f, 0.0f);
GlobalOpenGL().drawString(render::RenderStatistics::Instance().getStatString());
glRasterPos3f(1.0f, static_cast<float>(_camera.height) - 11.0f, 0.0f);
GlobalOpenGL().drawString(render::View::getCullStats());
drawTime();
if (!_activeMouseTools.empty())
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, (float)_camera.width, 0, (float)_camera.height, -100, 100);
for (const ActiveMouseTools::value_type& i : _activeMouseTools)
{
i.second->renderOverlay();
}
}
// bind back to the default texture so that we don't have problems
// elsewhere using/modifying texture maps between contexts
glBindTexture( GL_TEXTURE_2D, 0 );
}
bool CamWnd::onRender()
{
if (_drawing) return false;
util::ScopedBoolLock lock(_drawing);
if (GlobalMainFrame().screenUpdatesEnabled())
{
debug::assertNoGlErrors();
Cam_Draw();
debug::assertNoGlErrors();
return true;
}
return false;
}
void CamWnd::benchmark()
{
double dStart = clock() / 1000.0;
for (int i=0 ; i < 100 ; i++)
{
Vector3 angles;
angles[CAMERA_ROLL] = 0;
angles[CAMERA_PITCH] = 0;
angles[CAMERA_YAW] = static_cast<double>(i * (360.0 / 100.0));
setCameraAngles(angles);
}
double dEnd = clock() / 1000.0;
rMessage() << fmt::format("{0:5.2lf}", (dEnd - dStart)) << " seconds\n";
}
void CamWnd::onSceneGraphChange()
{
// Just pass the call to the update method
update();
}
// ----------------------------------------------------------
void CamWnd::addHandlersMove()
{
_wxGLWidget->Bind(wxEVT_MOTION, &CamWnd::onGLMouseMove, this);
}
void CamWnd::removeHandlersMove()
{
_wxGLWidget->Unbind(wxEVT_MOTION, &CamWnd::onGLMouseMove, this);
}
void CamWnd::update()
{
queueDraw();
}
Camera& CamWnd::getCamera()
{
return _camera;
}
void CamWnd::captureStates()
{
_faceHighlightShader = GlobalRenderSystem().capture("$CAM_HIGHLIGHT");
_primitiveHighlightShader = GlobalRenderSystem().capture("$CAM_OVERLAY");
}
void CamWnd::releaseStates() {
_faceHighlightShader = ShaderPtr();
_primitiveHighlightShader = ShaderPtr();
}
void CamWnd::queueDraw()
{
if (_drawing)
{
return;
}
_wxGLWidget->Refresh(false);
}
Vector3 CamWnd::getCameraOrigin() const
{
return _camera.getOrigin();
}
void CamWnd::setCameraOrigin(const Vector3& origin)
{
_camera.setOrigin(origin);
}
Vector3 CamWnd::getRightVector() const
{
return _camera.vright;
}
Vector3 CamWnd::getUpVector() const
{
return _camera.vup;
}
Vector3 CamWnd::getForwardVector() const
{
return _camera.vpn;
}
Vector3 CamWnd::getCameraAngles() const
{
return _camera.getAngles();
}
void CamWnd::setCameraAngles(const Vector3& angles)
{
_camera.setAngles(angles);
}
const Frustum& CamWnd::getViewFrustum() const
{
return _view.getFrustum();
}
void CamWnd::onFarClipPlaneOutClick(wxCommandEvent& ev)
{
farClipPlaneOut();
}
void CamWnd::onFarClipPlaneInClick(wxCommandEvent& ev)
{
farClipPlaneIn();
}
void CamWnd::farClipPlaneOut()
{
getCameraSettings()->setCubicScale( getCameraSettings()->cubicScale() + 1 );
_camera.updateProjection();
update();
}
void CamWnd::farClipPlaneIn()
{
getCameraSettings()->setCubicScale( getCameraSettings()->cubicScale() - 1 );
_camera.updateProjection();
update();
}
void CamWnd::onGLResize(wxSizeEvent& ev)
{
getCamera().width = ev.GetSize().GetWidth();
getCamera().height = ev.GetSize().GetHeight();
getCamera().updateProjection();
queueDraw();
ev.Skip();
}
void CamWnd::onMouseScroll(wxMouseEvent& ev)
{
float movementSpeed = static_cast<float>(getCameraSettings()->movementSpeed());
if (ev.ShiftDown())
{
movementSpeed *= 2;
}
else if (ev.AltDown())
{
movementSpeed *= 0.1f;
}
// Determine the direction we are moving.
if (ev.GetWheelRotation() > 0)
{
getCamera().freemoveUpdateAxes();
setCameraOrigin(getCameraOrigin() + getCamera().forward * movementSpeed);
}
else if (ev.GetWheelRotation() < 0)
{
getCamera().freemoveUpdateAxes();
setCameraOrigin(getCameraOrigin() + getCamera().forward * -movementSpeed);
}
}
ui::CameraMouseToolEvent CamWnd::createMouseEvent(const Vector2& point, const Vector2& delta)
{
// When freeMove is enabled, snap the mouse coordinates to the center of the view widget
Vector2 actualPoint = freeMoveEnabled() ? windowvector_for_widget_centre(*_wxGLWidget) : point;
Vector2 normalisedDeviceCoords = device_constrained(
window_to_normalised_device(actualPoint, _camera.width, _camera.height));
return ui::CameraMouseToolEvent(*this, normalisedDeviceCoords, delta);
}
MouseTool::Result CamWnd::processMouseDownEvent(const MouseToolPtr& tool, const Vector2& point)
{
CameraMouseToolEvent ev = createMouseEvent(point);
return tool->onMouseDown(ev);
}
MouseTool::Result CamWnd::processMouseUpEvent(const MouseToolPtr& tool, const Vector2& point)
{
CameraMouseToolEvent ev = createMouseEvent(point);
return tool->onMouseUp(ev);
}
MouseTool::Result CamWnd::processMouseMoveEvent(const MouseToolPtr& tool, int x, int y)
{
bool mouseToolReceivesDeltas = (tool->getPointerMode() & MouseTool::PointerMode::MotionDeltas) != 0;
// New MouseTool event, optionally passing the delta only