-
Notifications
You must be signed in to change notification settings - Fork 10
/
input.js
1153 lines (1016 loc) · 38.2 KB
/
input.js
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
// Copyright 2011-2012 Kevin Reid under the terms of the MIT License as detailed
// in the accompanying file README.md or <http://opensource.org/licenses/MIT>.
(function () {
"use strict";
var exponentialStep = cubes.util.exponentialStep;
var mkelement = cubes.util.mkelement;
var signum = cubes.util.signum;
var WorldGen = cubes.WorldGen;
function noop() {}
function deadzone(value, radius) {
if (value < 0) {
return -deadzone(-value, radius);
} else if (value < radius) {
return 0;
} else {
return value - radius;
}
}
function parseEvent(ev) {
switch (ev.type) {
case "keydown":
case "keyup":
// NOTE: Per MDN <https://developer.mozilla.org/en/DOM/KeyboardEvent> the keyCode attribute is deprecated (but its replacement is not yet implemented in Gecko)
// TODO: Research the best way to express keybindings
return ["key", ev.keyCode];
case "mousedown":
case "mouseup":
if (ev.buttons) {
// Per <https://developer.mozilla.org/en/DOM/MouseEvent>
// This is the preferred definition because it supports >3 buttons.
// take lowest bit of buttons mask
var bit = 0, buttons = ev.buttons;
while (!(buttons & 1)) {
bit++;
buttons = buttons >> 1;
}
return ["mouse", bit];
} else {
switch (ev.button) {
case 0: return ["mouse", 0];
case 1: return ["mouse", 2];
case 2: return ["mouse", 1];
}
}
break;
case "mousewheel":
return ["wheel", signum(ev.wheelDeltaX), signum(ev.wheelDeltaY)];
default:
return null;
}
}
function ControlChip(value, set, deleter) {
var el = this.element = mkelement("span", "control-chip");
el.style.position = "relative"; // context for delete button
if (value === null) {
el.textContent = "…";
el.classList.add("control-chip-placeholder");
} else {
var desc;
switch (value[0]) {
case "key":
switch (value[1]) {
// TODO are the constants available somewhere?
// I generated this table from MDN content
// <https://developer.mozilla.org/en/DOM/KeyboardEvent>
// perl -pe 's/^(.*?)\t(.*?)\t(.*?) key.$/case $2: desc = "$3";/; s/^DOM_VK_(.*?)\t(.*?)\t(.*?).$/case $2: desc = "\L$1";/;'
case 3: desc = "cancel"; break;
case 6: desc = "help"; break;
case 8: desc = "backspace"; break;
case 9: desc = "tab"; break;
case 12: desc = "clear"; break;
case 13: desc = "return"; break;
case 14: desc = "enter"; break;
case 16: desc = "shift"; break;
case 17: desc = "control"; break;
case 18: desc = "alt"; break;
case 19: desc = "pause"; break;
case 20: desc = "caps lock"; break;
case 27: desc = "escape"; break;
case 28: desc = "convert"; break;
case 29: desc = "nonconvert"; break;
case 30: desc = "accept"; break;
case 31: desc = "modechange"; break;
case 32: desc = "space"; break;
case 33: desc = "page up"; break;
case 34: desc = "page down"; break;
case 35: desc = "end"; break;
case 36: desc = "home"; break;
case 37: desc = "←"; break;
case 38: desc = "↑"; break;
case 39: desc = "→"; break;
case 40: desc = "↓"; break;
case 41: desc = "select"; break;
case 41: desc = "select"; break;
case 42: desc = "print"; break;
case 42: desc = "print"; break;
case 43: desc = "execute"; break;
case 43: desc = "execute"; break;
case 44: desc = "print screen"; break;
case 45: desc = "ins"; break;
case 46: desc = "del"; break;
case 48: desc = "0"; break;
case 49: desc = "1"; break;
case 50: desc = "2"; break;
case 51: desc = "3"; break;
case 52: desc = "4"; break;
case 53: desc = "5"; break;
case 54: desc = "6"; break;
case 55: desc = "7"; break;
case 56: desc = "8"; break;
case 57: desc = "9"; break;
case 59: desc = ";"; break;
case 61: desc = "="; break;
case 65: desc = "A"; break;
case 66: desc = "B"; break;
case 67: desc = "C"; break;
case 68: desc = "D"; break;
case 69: desc = "E"; break;
case 70: desc = "F"; break;
case 71: desc = "G"; break;
case 72: desc = "H"; break;
case 73: desc = "I"; break;
case 74: desc = "J"; break;
case 75: desc = "K"; break;
case 76: desc = "L"; break;
case 77: desc = "M"; break;
case 78: desc = "N"; break;
case 79: desc = "O"; break;
case 80: desc = "P"; break;
case 81: desc = "Q"; break;
case 82: desc = "R"; break;
case 83: desc = "S"; break;
case 84: desc = "T"; break;
case 85: desc = "U"; break;
case 86: desc = "V"; break;
case 87: desc = "W"; break;
case 88: desc = "X"; break;
case 89: desc = "Y"; break;
case 90: desc = "Z"; break;
case 91: desc = "⌘"; break;
case 93: desc = "menu"; break;
case 95: desc = "sleep"; break;
case 96: desc = "[0]"; break;
case 97: desc = "[1]"; break;
case 98: desc = "[2]"; break;
case 99: desc = "[3]"; break;
case 100: desc = "[4]"; break;
case 101: desc = "[5]"; break;
case 102: desc = "[6]"; break;
case 103: desc = "[7]"; break;
case 104: desc = "[8]"; break;
case 105: desc = "[9]"; break;
case 106: desc = "[*]"; break;
case 107: desc = "[+]"; break;
case 108: desc = "separator"; break;
case 109: desc = "[-]"; break;
case 110: desc = "[.]"; break;
case 111: desc = "[/]"; break;
case 112: desc = "F1"; break;
case 113: desc = "F2"; break;
case 114: desc = "F3"; break;
case 115: desc = "F4"; break;
case 116: desc = "F5"; break;
case 117: desc = "F6"; break;
case 118: desc = "F7"; break;
case 119: desc = "F8"; break;
case 120: desc = "F9"; break;
case 121: desc = "F10"; break;
case 122: desc = "F11"; break;
case 123: desc = "F12"; break;
case 124: desc = "F13"; break;
case 125: desc = "F14"; break;
case 126: desc = "F15"; break;
case 127: desc = "F16"; break;
case 128: desc = "F17"; break;
case 129: desc = "F18"; break;
case 130: desc = "F19"; break;
case 131: desc = "F20"; break;
case 132: desc = "F21"; break;
case 133: desc = "F22"; break;
case 134: desc = "F23"; break;
case 135: desc = "F24"; break;
case 144: desc = "num lock"; break;
case 145: desc = "scroll lock"; break;
case 188: desc = ","; break;
case 190: desc = "."; break;
case 191: desc = "/"; break;
case 192: desc = "\""; break;
case 192: desc = "`"; break;
case 219: desc = "["; break;
case 221: desc = "]"; break;
case 222: desc = "\\"; break; // platform hazard
case 224: desc = "meta"; break;
default:
if (value[1] > 33 && value[1] < 127) {
desc = String.fromCharCode(value[1]);
} else {
desc = "key " + value[1]; break;
}
}
break;
case "mouse":
desc = "Mouse " + (value[1] + 1);
break;
case "wheel":
switch (String(value)) {
case "wheel,0,-1": desc = "Wheel ↑"; break;
case "wheel,0,1" : desc = "Wheel ↓"; break;
case "wheel,-1,0": desc = "Wheel ←"; break;
case "wheel,1,0" : desc = "Wheel →"; break;
default: desc = "Wheel " + value.slice(1).toString(); break;
}
break;
case "gamepad":
// TODO: Obtain a database of device button names.
var gamepadIndex = value[1];
var gamepadDesc = gamepadIndex > 0 ? String.fromCharCode(0x2081 + value[1]) : "";
var buttonDesc = String(value[3] + 1);
switch (value[2]) {
case "button":
desc = "\u2299" + gamepadDesc + " " + buttonDesc;
break;
case "axis":
desc = "\u2295" + gamepadDesc + " " + buttonDesc + (value[4] < 0 ? " −" : " +");
break;
default:
desc = String(value);
break;
}
break;
default:
desc = String(value);
break;
}
el.textContent = desc;
}
var active = false;
var deleteButton;
var gamepadTestLoop;
function activate() {
if (active) return;
active = true;
el.tabIndex = 0;
el.focus();
if ("getGamepads" in navigator) (function () {
function scanArray(gamepadIndex, gamepadArray, type) {
for (var i = 0; i < gamepadArray.length; i++) {
var value = gamepadArray[i];
if (value > 0.5) {
deactivate();
set(["gamepad", gamepadIndex, type, i, 0.5]);
} else if (value < -0.5 /* axis */) {
deactivate();
set(["gamepad", gamepadIndex, type, i, -0.5]);
}
}
}
gamepadTestLoop = setInterval(function () {
var gamepads = navigator.getGamepads();
for (var gamepadIndex = 0; gamepadIndex < gamepads.length; gamepadIndex++) {
var gamepad = gamepads[gamepadIndex];
if (!gamepad) continue;
scanArray(gamepadIndex, gamepad.buttons, "button");
scanArray(gamepadIndex, gamepad.axes, "axis");
}
}, 100);
}());
if (deleter) {
deleteButton = mkelement("button", "control-unbind-button", "×");
deleteButton.style.position = "absolute";
deleteButton.style.zIndex = "1";
el.parentElement.appendChild(deleteButton);
var inset = 0.2;
deleteButton.style.left = (el.offsetLeft + el.offsetWidth - deleteButton.offsetWidth * inset) + "px";
deleteButton.style.top = (el.offsetTop - deleteButton.offsetHeight * (1 - inset)) + "px";
deleteButton.addEventListener("mousedown", function (e) {
// mousedown, not click, because this has to be instant or it gets deleted by the blur handler
deleter();
return true;
}, false);
}
}
function deactivate() {
if (!active) return;
active = false;
el.tabIndex = -1;
if (deleteButton) {
if (deleteButton.parentElement) deleteButton.parentElement.removeChild(deleteButton);
deleteButton = undefined;
}
el.blur();
clearInterval(gamepadTestLoop);
}
el.addEventListener("click", function (ev) {
activate();
ev.stopPropagation();
return false;
}, false);
function generalListener(ev) {
if (active) {
deactivate();
ev.preventDefault();
set(parseEvent(ev));
return false;
} else {
return true;
}
}
el.addEventListener("keydown", generalListener, false);
el.addEventListener("keyup", generalListener, false);
el.addEventListener("mousedown", generalListener, false);
el.addEventListener("mouseup", generalListener, false);
el.addEventListener("mousewheel", generalListener, false);
// allow to become a mousedown
el.addEventListener("contextmenu", function (ev) {
ev.preventDefault();
return false;
}, false);
el.addEventListener("blur", function () {
setTimeout(deactivate, 0);
}, false);
}
ControlChip.prototype.conflict = function () {
this.element.classList.add("control-chip-conflict");
};
function ControlBindingUI(bindingsCell, rowContainer) {
var commands = Input.commands;
var commandToContainer = Object.create(null);
Object.keys(commands).forEach(function (commandName) {
var placeholderChip = new ControlChip(null, function (newControl) {
bindingsCell.set(bindingsCell.get().concat([[commandName, newControl]]));
});
var bindingsContainer = mkelement("span");
commandToContainer[commandName] = bindingsContainer;
var row = mkelement("tr", "",
mkelement("td", "", commands[commandName].label),
mkelement("td", "",
bindingsContainer,
placeholderChip.element)
);
rowContainer.appendChild(row);
});
function updateBindings() {
var bindings = bindingsCell.get();
var conflictMap = Object.create(null);
Object.keys(commandToContainer).forEach(function (key) {
commandToContainer[key].textContent = "";
});
bindings.forEach(function (bindingRecord, index) {
var commandName = bindingRecord[0];
var control = bindingRecord[1];
var container = commandToContainer[commandName];
var chip = new ControlChip(control, function (newControl) {
var newBindings = bindings.slice();
newBindings[index] = [newBindings[index][0], newControl];
bindingsCell.set(newBindings);
}, function () {
var newBindings = bindings.slice();
if (index < bindings.length - 1) {
newBindings[index] = newBindings.pop();
} else {
newBindings.pop();
}
bindingsCell.set(newBindings);
});
container.appendChild(chip.element);
container.appendChild(document.createTextNode(" "));
var conflictList = conflictMap[control] || (conflictMap[control] = []);
conflictList.push(chip);
if (conflictList.length > 1) {
conflictList[conflictList.length - 1].conflict();
}
if (conflictList.length == 2) {
conflictList[0].conflict();
}
});
}
bindingsCell.nowAndWhenChanged(function () {
updateBindings();
return true;
});
}
function Input(config, eventReceiver, playerInput, hud, renderer, focusCell, save, objectUI) {
var interfaceMode;
var expectingPointerLock = false;
var mousePos = null;
var quickSlots;
var quickSlotLRU;
// --- Utilities ---
function evalVel(pos, neg) {
return pos ? neg ? 0 : 1 : neg ? -1 : 0;
}
function quick(n) {
playerInput.tool = quickSlots[n];
}
function clearChildren(elem) {
while (elem.firstChild) elem.removeChild(elem.firstChild);
}
// --- Focus ---
eventReceiver.addEventListener("focus", function (event) {
focusCell.set(true);
return true;
}, false);
eventReceiver.addEventListener("blur", function (event) {
focusCell.set(false);
resetHeldControls();
return true;
}, false);
// This is used as the conditiopn to inhibit focus-granting clicks from modifying the world. Simply checking focusCell is insufficient (due to focusiing happening before the event) in at least one case: when focus is on Chrome's Web Inspector.
var delayedFocus = false;
focusCell.whenChanged(function (value) {
setTimeout(function () {
delayedFocus = value;
if (!value) {
// Blur is probably a good time to autosave
save();
}
interfaceMode.focus(value);
}, 0);
return true;
});
// --- Events for configurable controls ---
var heldControls;
var commandState = Object.create(null);
var heldCommands = Object.create(null);
function resetHeldControls() {
heldControls = Object.create(null);
Object.keys(Input.commands).forEach(function (k) {
commandState[k] = {
command: commandFunctions[k],
controlCount: 0,
repeatPhase: 0
};
});
evalHeldControls();
}
// Construct commands augmented with implementation functions
var commandFunctions = Object.create(null);
function deffunbase(name) {
var command = Input.commands[name];
if (!command) throw new Error("inconsistent table");
var cmdWithFunc = commandFunctions[name] = Object.create(command);
cmdWithFunc.name = name;
return cmdWithFunc;
}
function defhold(name) {
var cmdWithFunc = deffunbase(name);
cmdWithFunc.press = noop;
cmdWithFunc.release = noop;
}
function defaction(name, press, release) {
var cmdWithFunc = deffunbase(name);
cmdWithFunc.press = press;
cmdWithFunc.release = release || noop;
}
defhold("left");
defhold("right");
defhold("forward");
defhold("backward");
defhold("up");
defhold("down");
defaction("jump", function () {
playerInput.jump();
});
defaction("quick0", function () { quick(0); });
defaction("quick1", function () { quick(1); });
defaction("quick2", function () { quick(2); });
defaction("quick3", function () { quick(3); });
defaction("quick4", function () { quick(4); });
defaction("quick5", function () { quick(5); });
defaction("quick6", function () { quick(6); });
defaction("quick7", function () { quick(7); });
defaction("quick8", function () { quick(8); });
defaction("quick9", function () { quick(9); });
defaction("interfaceMode", function () {
switchMode(interfaceMode.mouselookKeyTransition);
});
defaction("enterWorld", function () {
playerInput.changeWorld(+1);
});
defaction("exitWorld", function () {
playerInput.changeWorld(-1);
});
defaction("subdatumInc", function () {
playerInput.tweakSubdata(+1);
});
defaction("subdatumDec", function () {
playerInput.tweakSubdata(-1);
});
defaction("editBlockset", function () {
this.editBlockset();
}.bind(this));
defaction("useTool", function () {
playerInput.useTool();
});
defaction("deleteBlock", function () {
playerInput.deleteBlock();
});
defaction("select", function () {
playerInput.selectStart();
}, function () {
playerInput.selectEnd();
});
var controlMap;
var gamepadControlState;
function rebuildControlMap(bindings) {
controlMap = Object.create(null);
gamepadControlState = [];
bindings.forEach(function (bindingRecord) {
var commandName = bindingRecord[0];
var control = bindingRecord[1];
controlMap[control] = commandFunctions[commandName];
if (control[0] === "gamepad") {
var padIndex = control[1];
var controlType = control[2];
var controlIndex = control[3];
var controlScale = control[4];
var pad = gamepadControlState[padIndex] || (
gamepadControlState[padIndex] = {
button: [],
axis: [],
}
);
// || to avoid crashing on bad data
(pad[controlType] || []).push({index: controlIndex, state: false, control: control, scale: controlScale});
}
if (!commandFunctions[commandName]) {
if (typeof console !== "undefined") {
console.warn("No function for command", commandName);
}
}
});
resetHeldControls();
return true;
}
config.controls.nowAndWhenChanged(rebuildControlMap);
function evalHeldControls() {
playerInput.movement = [
evalVel(heldCommands.right, heldCommands.left),
evalVel(heldCommands.up, heldCommands.down),
evalVel(heldCommands.backward, heldCommands.forward)
];
}
function readGamepadStateArray(gamepadArray, interestArray) {
interestArray.forEach(function (record) {
var oldState = record.state;
var newState = gamepadArray[record.index] / record.scale >= 1.0;
if (!oldState && newState) {
controlPress(record.control);
} else if (oldState && !newState) {
controlRelease(record.control);
}
record.state = newState;
});
}
function stepControls(timestep) {
if (navigator.getGamepads) {
var gamepads = navigator.getGamepads();
for (var gamepadIndex = 0; gamepadIndex < gamepads.length; gamepadIndex++) {
var padState = gamepadControlState[gamepadIndex];
if (!padState) continue;
var gamepad = gamepads[gamepadIndex];
if (!gamepad) continue;
readGamepadStateArray(gamepad.buttons, padState.button);
readGamepadStateArray(gamepad.axes, padState.axis);
}
}
for (var name in heldCommands) {
var state = heldCommands[name];
if (!state) continue;
var period = state.command.repeatPeriod;
if (typeof period !== "number") continue;
state.repeatPhase += timestep;
while (state.repeatPhase > period) {
state.command.press();
state.repeatPhase -= period;
}
}
}
function controlPress(control) {
var command = controlMap[control];
if (command) {
if (!(control in heldControls)) {
command.press();
heldControls[control] = true;
var state = commandState[command.name];
if (state.controlCount++ <= 0) {
heldCommands[command.name] = state;
state.repeatPhase = -state.command.repeatDelay;
}
//console.log("hold +", control, command.name, (commandState[command.name] || {}).controlCount);
evalHeldControls();
}
return true;
} else {
return false;
}
}
function controlRelease(control) {
var command = controlMap[control];
if (control in heldControls) {
delete heldControls[control];
var state = commandState[command.name];
if (--state.controlCount <= 0) {
// Not deleting here because a bug has been observed in Chrome where deleting once causes the property to misbehave later
heldCommands[command.name] = undefined;
command.release();
}
//console.log("hold -", control, command.name, (commandState[command.name] || {}).controlCount);
evalHeldControls();
return true;
} else {
return false;
}
}
function controlPressHandler(event) {
// avoid disturbing browser shortcuts
if (event.altKey || event.ctrlKey || event.metaKey) return true;
var control = parseEvent(event);
if (controlPress(control)) {
event.stopPropagation();
return false;
} else {
return true;
}
}
function controlReleaseHandler(event) {
var control = parseEvent(event);
if (controlRelease(control)) {
event.stopPropagation();
return false;
} else {
return true;
}
}
function controlMomentaryHandler(event) {
var r = controlPressHandler(event);
controlReleaseHandler(event);
return r;
}
// Keyboard events
eventReceiver.addEventListener("keydown", controlPressHandler, false);
eventReceiver.addEventListener("keyup", controlReleaseHandler, false);
document.addEventListener("keyup", controlReleaseHandler, false);
// also on document to catch key-ups after focus changes etc.
// Mouse events
eventReceiver.addEventListener("mousedown", function (event) {
updateMouseFromEvent(event);
if (delayedFocus) {
controlPressHandler(event);
} else {
// Don't respond to focus-granting click
eventReceiver.focus();
}
event.preventDefault(); // inhibits text selection
return false;
}, false);
eventReceiver.addEventListener("mouseup", controlReleaseHandler, false);
eventReceiver.addEventListener("mousewheel", controlMomentaryHandler, false);
eventReceiver.addEventListener("contextmenu", function (event) {
event.preventDefault(); // inhibits context menu (on the game world only) since we use right-click for our own purposes
}, false);
// Initialization
resetHeldControls();
// --- Mouselook ---
var CENTER = {};
var targetPitch = 0;
var targetYawRate = 0;
var yawRate = 0;
var prevx = 0;
function applyMousePosition() {
var cs = window.getComputedStyle(eventReceiver, null);
var w = parseInt(cs.width, 10);
var h = parseInt(cs.height, 10);
if (mousePos === CENTER) {
playerInput.mousePos = [w/2, h/2];
return;
}
if (!focusCell.get() || mousePos === null) {
playerInput.mousePos = null;
targetYawRate = 0;
return;
} else {
playerInput.mousePos = mousePos;
}
var swingY = mousePos[1] / (h*0.5) - 1;
var swingX = mousePos[0] / (w*0.5) - 1;
var directY = -Math.PI/2 * swingY;
var directX = -Math.PI/2 * swingX;
if (interfaceMode.mouselook) {
targetPitch = directY;
playerInput.yaw += (directX - prevx);
targetYawRate = -(config.mouseTurnRate.get()) * deadzone(swingX, 0.1);
} else {
targetYawRate = 0;
}
prevx = directX;
}
focusCell.whenChanged(function (value) {
applyMousePosition();
return true;
});
function updateMouseFromEvent(event) {
if (weHavePointerLock() || expectingPointerLock) {
mousePos = CENTER;
targetYawRate = 0;
} else if (event && !expectingPointerLock) {
mousePos = [event.clientX, event.clientY];
}
applyMousePosition();
}
eventReceiver.addEventListener("mousemove", function (event) {
updateMouseFromEvent(event);
if (weHavePointerLock() || expectingPointerLock) {
// This is not in updateMouseFromEvent because movement* are updated only on mousemove events, even though they are provided on all events.
// TODO this is duplicative-ish of applyMousePosition. We need a refactoring...
var my = event.movementY;
var mx = event.movementX;
mx = mx || 0; // TODO Why are movement* sometimes undefined?
my = my || 0;
var swingY = -Math.PI/2 * my / 300; // TODO user config
var swingX = -Math.PI/2 * mx / 300;
playerInput.pitch = Math.min(Math.PI/2, Math.max(-Math.PI/2, playerInput.pitch + swingY));
playerInput.yaw += swingX;
}
}, false);
eventReceiver.addEventListener("mouseout", function (event) {
mousePos = null;
applyMousePosition();
return true;
}, false);
// --- Fullscreen and pointer lock (experimental browser APIs) ---
var ourFullscreenElement = document.body;
var ourPointerLockElement = eventReceiver;
document.addEventListener("fullscreenchange", updatePointerLock, false);
document.addEventListener("fullscreenerror", function (event) {
console.info("Fullscreen entry error", event);
}, false);
this.requestFullscreen = function () {
ourFullscreenElement.requestFullscreen();
};
function weHavePointerLock() {
return document.pointerLockElement === ourPointerLockElement;
}
function updatePointerLock() {
if (interfaceMode.mouselook) {
ourPointerLockElement.requestPointerLock();
expectingPointerLock = true;
updateMouseFromEvent(null);
} else {
document.exitPointerLock();
}
}
document.addEventListener("pointerlockchange", function (event) {
// No longer expecting -- follow the real state.
expectingPointerLock = false;
updateMouseFromEvent(null);
}, false);
document.addEventListener("pointerlockerror", function (event) {
expectingPointerLock = false;
}, false);
// --- Stepping ---
function step(timestep) {
stepControls(timestep);
if (!weHavePointerLock() && !expectingPointerLock) {
if (interfaceMode.mouselook) {
playerInput.pitch = exponentialStep(playerInput.pitch, targetPitch, timestep, -30, 1e-2);
}
yawRate = exponentialStep(yawRate, targetYawRate, timestep, -30, 1e-2);
if (yawRate !== 0) {
playerInput.yaw += yawRate*timestep;
}
}
}
// --- Interface modes ---
var lastAppliedClass;
function switchMode(newMode) {
interfaceMode = newMode;
var cl = document.body.classList;
if (lastAppliedClass) cl.remove(lastAppliedClass);
cl.add(lastAppliedClass = "ui-mode-" + interfaceMode.uiClass);
updatePointerLock();
applyMousePosition();
}
var mouselookIMode = {
mouselook: true,
uiClass: "hidden",
focus: function () {}
};
var menuMode = {
mouselook: false,
mouselookKeyTransition: mouselookIMode,
uiClass: "menu",
focus: function () {}
};
mouselookIMode.mouselookKeyTransition = menuMode;
// Initialize interface mode.
interfaceMode = menuMode;
switchMode(interfaceMode);
// --- Block menu ---
var QUICK_SLOT_COUNT = 10;
var menuItemsByBlockId;
var quickItemsByBlockId;
var blocksetInMenu;
function deferrer(func) {
var set = false;
return function () {
if (!set) {
setTimeout(function () {
set = false;
func();
}, 0);
set = true;
}
};
}
function resetQuick() {
quickSlots = [];
quickSlotLRU = [];
for (var i = 0; i < QUICK_SLOT_COUNT; i++) {
quickSlots[i] = i + 1; // block ids starting from 1
quickSlotLRU[i] = QUICK_SLOT_COUNT - (i + 1); // reverse order
}
}
resetQuick();
function forAllMenuBlocks(f) {
for (var i = 1; i < blocksetInMenu.length; i++) f(i, menuItemsByBlockId[i]);
}
var updateDeferred = deferrer(updateMenuBlocks);
var menuListener = {
interest: function () { return true; },
// deferred because otherwise we act while in the middle of a rebuild
texturingChanged: function (id) { updateDeferred(); },
tableChanged: function (id) { updateDeferred(); }
};
function setupIconButton(item, icon, blockID) {
icon.onclick = function () {
playerInput.tool = blockID;
var quickSlot = quickSlots.indexOf(blockID);
if (quickSlot === -1) {
// promote to recently-used menu
quickSlot = quickSlotLRU.shift();
quickSlots[quickSlot] = blockID;
updateQuickBar();
} else {
// touch LRU entry
quickSlotLRU.splice(quickSlotLRU.indexOf(quickSlot), 1);
}
quickSlotLRU.push(quickSlot);
return false;
};
icon.onmousedown = icon.onselectstart = function () {
item.classList.add("selectedTool");
return false; // inhibit selection
};
var menuUp = false;
icon.oncontextmenu = function (event) {
if (menuUp) return;
event.stopPropagation();
event.preventDefault();
objectUI.openContextMenu(
event,
objectUI.refObject(playerInput.blockset.get(blockID)),
null,
function () { menuUp = false; });
return false;
};
icon.onmouseout = function () {
if (blockID !== playerInput.tool) {
item.classList.remove("selectedTool");
}
return true;
};
}
function updateMenuBlocks() {
if (!hud) return;
if (playerInput.blockset !== blocksetInMenu) {
if (blocksetInMenu) blocksetInMenu.listen.cancel(menuListener);
blocksetInMenu = playerInput.blockset;
if (blocksetInMenu) blocksetInMenu.listen(menuListener);
}
menuItemsByBlockId = [];
quickItemsByBlockId = [];
resetQuick();
var blocksetRender = blocksetInMenu.getRenderData(renderer);
var sidecount = Math.ceil(Math.sqrt(blocksetInMenu.length));
var size = Math.min(64, 300 / sidecount);
clearChildren(hud.blocksetAll);