summaryrefslogtreecommitdiffstats
path: root/MCServer/Plugins/Debuggers/Debuggers.lua
blob: 1d441d8fb9cc8d8348963d53de73ec0b6e6c145f (plain) (blame)
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

-- Global variables
PLUGIN = {};	-- Reference to own plugin object
ShouldDumpFunctions = true;  -- If set to true, all available functions are written to the API.txt file upon plugin initialization

g_DropSpensersToActivate = {};  -- A list of dispensers and droppers (as {World, X, Y Z} quadruplets) that are to be activated every tick





function Initialize(Plugin)
	PLUGIN = Plugin
	
	Plugin:SetName("Debuggers")
	Plugin:SetVersion(1)
	
	PluginManager = cRoot:Get():GetPluginManager()
	PluginManager:AddHook(Plugin, cPluginManager.HOOK_PLAYER_USING_BLOCK);
	PluginManager:AddHook(Plugin, cPluginManager.HOOK_PLAYER_USING_ITEM);
	PluginManager:AddHook(Plugin, cPluginManager.HOOK_TAKE_DAMAGE);
	PluginManager:AddHook(Plugin, cPluginManager.HOOK_TICK);
	
	PluginManager:BindCommand("/le",      "debuggers", HandleListEntitiesCmd, "Shows a list of all the loaded entities");
	PluginManager:BindCommand("/ke",      "debuggers", HandleKillEntitiesCmd, "Kills all the loaded entities");
	PluginManager:BindCommand("/wool",    "debuggers", HandleWoolCmd,         "Sets all your armor to blue wool");
	PluginManager:BindCommand("/testwnd", "debuggers", HandleTestWndCmd,      "Opens up a window using plugin API");
	PluginManager:BindCommand("/gc",      "debuggers", HandleGCCmd,           "Activates the Lua garbage collector");

	-- Enable the following line for BlockArea / Generator interface testing:
	-- PluginManager:AddHook(Plugin, cPluginManager.HOOK_CHUNK_GENERATED);
	
	LOG("Initialized " .. Plugin:GetName() .. " v." .. Plugin:GetVersion())

	-- dump all available API functions and objects:
	if (ShouldDumpFunctions) then
		DumpAPI();
	end
	
	
	-- TestBlockAreas();
	-- TestSQLiteBindings();
	-- TestExpatBindings();

	return true
end;





function DumpAPI()
	LOG("Dumping all available functions to API.txt...");
	function dump (prefix, a, Output)
		for i, v in pairs (a) do
			if (type(v) == "table") then
				if (GetChar(i, 1) ~= ".") then
					if (v == _G) then
						LOG(prefix .. i .. " == _G, CYCLE, ignoring");
					elseif (v == _G.package) then
						LOG(prefix .. i .. " == _G.package, ignoring");
					else
						dump(prefix .. i .. ".", v, Output)
					end
				end
			elseif (type(v) == "function") then
				if (string.sub(i, 1, 2) ~= "__") then
					table.insert(Output, prefix .. i .. "()");
				end
			end
		end
	end

	local Output = {};
	dump("", _G, Output);

	table.sort(Output);
	local f = io.open("API.txt", "w");
	for i, n in ipairs(Output) do
		f:write(n, "\n");
	end
	f:close();
	LOG("API.txt written.");
end





function TestBlockAreas()
	LOG("Testing block areas...");
	
	-- Debug block area merging:
	local BA1 = cBlockArea();
	local BA2 = cBlockArea();
	if (BA1:LoadFromSchematicFile("schematics/test.schematic")) then
		if (BA2:LoadFromSchematicFile("schematics/fountain.schematic")) then
			BA2:SetRelBlockType(0, 0, 0, E_BLOCK_LAPIS_BLOCK);
			BA2:SetRelBlockType(1, 0, 0, E_BLOCK_LAPIS_BLOCK);
			BA2:SetRelBlockType(2, 0, 0, E_BLOCK_LAPIS_BLOCK);
			BA1:Merge(BA2, 1, 10, 1, cBlockArea.msImprint);
			BA1:SaveToSchematicFile("schematics/merge.schematic");
		end
	else
		BA1:Create(16, 16, 16);
	end
	
	-- Debug block area cuboid filling:
	BA1:FillRelCuboid(2, 9, 2, 8, 2, 8, cBlockArea.baTypes, E_BLOCK_GOLD_BLOCK);
	BA1:RelLine(2, 2, 2, 9, 8, 8, cBlockArea.baTypes or cBlockArea.baMetas, E_BLOCK_SAPLING, E_META_SAPLING_BIRCH);
	BA1:SaveToSchematicFile("schematics/fillrel.schematic");

	-- Debug block area mirroring:
	if (BA1:LoadFromSchematicFile("schematics/lt.schematic")) then
		BA1:MirrorXYNoMeta();
		BA1:SaveToSchematicFile("schematics/lt_XY.schematic");
		BA1:MirrorXYNoMeta();
		BA1:SaveToSchematicFile("schematics/lt_XY2.schematic");
		
		BA1:MirrorXZNoMeta();
		BA1:SaveToSchematicFile("schematics/lt_XZ.schematic");
		BA1:MirrorXZNoMeta();
		BA1:SaveToSchematicFile("schematics/lt_XZ2.schematic");
		
		BA1:MirrorYZNoMeta();
		BA1:SaveToSchematicFile("schematics/lt_YZ.schematic");
		BA1:MirrorYZNoMeta();
		BA1:SaveToSchematicFile("schematics/lt_YZ2.schematic");
	end
	
	-- Debug block area rotation:
	if (BA1:LoadFromSchematicFile("schematics/rot.schematic")) then
		BA1:RotateCWNoMeta();
		BA1:SaveToSchematicFile("schematics/rot1.schematic");
		BA1:RotateCWNoMeta();
		BA1:SaveToSchematicFile("schematics/rot2.schematic");
		BA1:RotateCWNoMeta();
		BA1:SaveToSchematicFile("schematics/rot3.schematic");
		BA1:RotateCWNoMeta();
		BA1:SaveToSchematicFile("schematics/rot4.schematic");
	end

	-- Debug block area rotation:
	if (BA1:LoadFromSchematicFile("schematics/rotm.schematic")) then
		BA1:RotateCCW();
		BA1:SaveToSchematicFile("schematics/rotm1.schematic");
		BA1:RotateCCW();
		BA1:SaveToSchematicFile("schematics/rotm2.schematic");
		BA1:RotateCCW();
		BA1:SaveToSchematicFile("schematics/rotm3.schematic");
		BA1:RotateCCW();
		BA1:SaveToSchematicFile("schematics/rotm4.schematic");
	end

	-- Debug block area mirroring:
	if (BA1:LoadFromSchematicFile("schematics/ltm.schematic")) then
		BA1:MirrorXY();
		BA1:SaveToSchematicFile("schematics/ltm_XY.schematic");
		BA1:MirrorXY();
		BA1:SaveToSchematicFile("schematics/ltm_XY2.schematic");
		
		BA1:MirrorXZ();
		BA1:SaveToSchematicFile("schematics/ltm_XZ.schematic");
		BA1:MirrorXZ();
		BA1:SaveToSchematicFile("schematics/ltm_XZ2.schematic");
		
		BA1:MirrorYZ();
		BA1:SaveToSchematicFile("schematics/ltm_YZ.schematic");
		BA1:MirrorYZ();
		BA1:SaveToSchematicFile("schematics/ltm_YZ2.schematic");
	end
	
	LOG("Block areas test ended");
end


	



function TestSQLiteBindings()
	LOG("Testing SQLite bindings...");
	
	-- Debug SQLite binding
	local TestDB, ErrCode, ErrMsg = sqlite3.open("test.sqlite");
	if (TestDB ~= nil) then
		local function ShowRow(UserData, NumCols, Values, Names)
			assert(UserData == 'UserData');
			LOG("New row");
			for i = 1, NumCols do
				LOG("  " .. Names[i] .. " = " .. Values[i]);
			end
			return 0;
		end
		local sql = [=[
			CREATE TABLE numbers(num1,num2,str);
			INSERT INTO numbers VALUES(1, 11, "ABC");
			INSERT INTO numbers VALUES(2, 22, "DEF");
			INSERT INTO numbers VALUES(3, 33, "UVW");
			INSERT INTO numbers VALUES(4, 44, "XYZ");
			SELECT * FROM numbers;
		]=]
		local Res = TestDB:exec(sql, ShowRow, 'UserData');
		if (Res ~= sqlite3.OK) then
			LOG("TestDB:exec() failed: " .. Res .. " (" .. TestDB:errmsg() .. ")");
		end;
		TestDB:close();
	else
		-- This happens if for example SQLite cannot open the file (eg. a folder with the same name exists)
		LOG("SQLite3 failed to open DB! (" .. ErrCode .. ", " .. ErrMsg ..")");
	end
	
	LOG("SQLite bindings test ended");
end





function TestExpatBindings()
	LOG("Testing Expat bindings...");
	
	-- Debug LuaExpat bindings:
	local count = 0
	callbacks = {
	    StartElement = function (parser, name)
	        LOG("+ " .. string.rep(" ", count) .. name);
	        count = count + 1;
	    end,
	    EndElement = function (parser, name)
	        count = count - 1;
	        LOG("- " .. string.rep(" ", count) .. name);
	    end
	}

	local p = lxp.new(callbacks);
	p:parse("<elem1>\nnext line\nanother line");
	p:parse("text\n");
	p:parse("<elem2/>\n");
	p:parse("more text");
	p:parse("</elem1>");
	p:parse("\n");
	p:parse();  -- finishes the document
	p:close();  -- closes the parser
	
	LOG("Expat bindings test ended");
end





function OnUsingBlazeRod(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ)
	-- Magic rod of query: show block types and metas for both neighbors of the pointed face
	local Type, Meta, Valid = Player:GetWorld():GetBlockTypeMeta(BlockX, BlockY, BlockZ, Type, Meta);

	if (Type == E_BLOCK_AIR) then
		Player:SendMessage(cChatColor.LightGray .. "Block {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}: air:" .. Meta);
	else
		local TempItem = cItem(Type, 1, Meta);
		Player:SendMessage(cChatColor.LightGray .. "Block {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}: " .. ItemToFullString(TempItem) .. " (" .. Type .. ":" .. Meta .. ")");
	end
	
	local X, Y, Z = AddFaceDirection(BlockX, BlockY, BlockZ, BlockFace);
	Valid, Type, Meta = Player:GetWorld():GetBlockTypeMeta(X, Y, Z, Type, Meta);
	if (Type == E_BLOCK_AIR) then
		Player:SendMessage(cChatColor.LightGray .. "Block {" .. X .. ", " .. Y .. ", " .. Z .. "}: air:" .. Meta);
	else
		local TempItem = cItem(Type, 1, Meta);
		Player:SendMessage(cChatColor.LightGray .. "Block {" .. X .. ", " .. Y .. ", " .. Z .. "}: " .. ItemToFullString(TempItem) .. " (" .. Type .. ":" .. Meta .. ")");
	end
	return false;
end





function OnUsingDiamond(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ)
	-- Rclk with a diamond to test block area cropping and expanding
	local Area = cBlockArea();
	Area:Read(Player:GetWorld(),
		BlockX - 19, BlockX + 19,
		BlockY - 7, BlockY + 7,
		BlockZ - 19, BlockZ + 19
	);

	LOG("Size before cropping: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("crop0.dat");
	
	Area:Crop(2, 3, 0, 0, 0, 0);
	LOG("Size after cropping 1: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("crop1.dat");
	
	Area:Crop(2, 3, 0, 0, 0, 0);
	LOG("Size after cropping 2: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("crop2.dat");
	
	Area:Expand(2, 3, 0, 0, 0, 0);
	LOG("Size after expanding 1: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("expand1.dat");
	
	Area:Expand(3, 2, 1, 1, 0, 0);
	LOG("Size after expanding 2: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("expand2.dat");
	
	Area:Crop(0, 0, 0, 0, 3, 2);
	LOG("Size after cropping 3: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("crop3.dat");
	
	Area:Crop(0, 0, 3, 2, 0, 0);
	LOG("Size after cropping 4: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
	Area:DumpToRawFile("crop4.dat");

	LOG("Crop test done");
	Player:SendMessage("Crop / expand test done.");
	return false;
end





function OnUsingEyeOfEnder(Player, BlockX, BlockY, BlockZ)
	-- Rclk with an eye of ender places a predefined schematic at the cursor
	local Area = cBlockArea();
	if not(Area:LoadFromSchematicFile("schematics/test.schematic")) then
		LOG("Loading failed");
		return false;
	end
	LOG("Schematic loaded, placing now.");
	Area:Write(Player:GetWorld(), BlockX, BlockY, BlockZ);
	LOG("Done.");
	return false;
end





function OnUsingEnderPearl(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ)
	-- Rclk with an ender pearl saves a predefined area around the cursor into a .schematic file. Also tests area copying
	local Area = cBlockArea();
	if not(Area:Read(Player:GetWorld(), 
		BlockX - 8, BlockX + 8, BlockY - 8, BlockY + 8, BlockZ - 8, BlockZ + 8)
	) then
		LOG("LUA: Area couldn't be read");
		return false;
	end
	LOG("LUA: Area read, copying now.");
	local Area2 = cBlockArea();
	Area2:CopyFrom(Area);
	LOG("LUA: Copied, now saving.");
	if not(Area2:SaveToSchematicFile("schematics/test.schematic")) then
		LOG("LUA: Cannot save schematic file.");
		return false;
	end
	LOG("LUA: Done.");
	return false;
end





function OnUsingRedstoneTorch(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ)
	-- Redstone torch activates a rapid dispenser / dropper discharge (at every tick):
	local BlockType = Player:GetWorld():GetBlock(BlockX, BlockY, BlockZ);
	if (BlockType == E_BLOCK_DISPENSER) then
		table.insert(g_DropSpensersToActivate, {World = Player:GetWorld(), x = BlockX, y = BlockY, z = BlockZ});
		Player:SendMessage("Dispenser at {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "} discharging");
		return true;
	elseif (BlockType == E_BLOCK_DROPPER) then
		table.insert(g_DropSpensersToActivate, {World = Player:GetWorld(), x = BlockX, y = BlockY, z = BlockZ});
		Player:SendMessage("Dropper at {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "} discharging");
		return true;
	else
		Player:SendMessage("Neither a dispenser nor a dropper at {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}: " .. BlockType);
	end
	return false;
end





function OnPlayerUsingItem(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ)

	-- dont check if the direction is in the air
	if (BlockFace == BLOCK_FACE_NONE) then
		return false
	end

	local HeldItem = Player:GetEquippedItem();
	local HeldItemType = HeldItem.m_ItemType;

	if (HeldItemType == E_ITEM_STICK) then
		-- Magic sTick of ticking: set the pointed block for ticking at the next tick
		Player:SendMessage(cChatColor.LightGray .. "Setting next block tick to {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}")
		Player:GetWorld():SetNextBlockTick(BlockX, BlockY, BlockZ);
		return true
	elseif (HeldItemType == E_ITEM_BLAZE_ROD) then
		return OnUsingBlazeRod(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ);
	elseif (HeldItemType == E_ITEM_DIAMOND) then
		return OnUsingDiamond(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ);
	elseif (HeldItemType == E_ITEM_EYE_OF_ENDER) then
		return OnUsingEyeOfEnder(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ);
	elseif (HeldItemType == E_ITEM_ENDER_PEARL) then
		return OnUsingEnderPearl(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ);
	end
	return false;
end





function OnPlayerUsingBlock(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ, BlockType, BlockMeta)
	-- dont check if the direction is in the air
	if (BlockFace == BLOCK_FACE_NONE) then
		return false
	end

	local HeldItem = Player:GetEquippedItem();
	local HeldItemType = HeldItem.m_ItemType;

	if (HeldItemType == E_BLOCK_REDSTONE_TORCH_ON) then
		return OnUsingRedstoneTorch(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ);
	end
end





function OnTakeDamage(Receiver, TDI)
	-- Receiver is cPawn
	-- TDI is TakeDamageInfo

	LOG(Receiver:GetClass() .. " was dealt RawDamage " .. TDI.RawDamage .. ", FinalDamage " .. TDI.FinalDamage .. " (that is, " .. (TDI.RawDamage - TDI.FinalDamage) .. " HPs covered by armor)");
	return false;
end





--- When set to a positive number, the following OnTick() will perform GC and decrease until 0 again
GCOnTick = 0;





function OnTick()
	-- Activate all dropspensers in the g_DropSpensersToActivate list:
	local ActivateDrSp = function(DropSpenser)
		if (DropSpenser:GetContents():GetFirstUsedSlot() == -1) then
			return true;
		end
		DropSpenser:Activate();
		return false;
	end
	-- Walk the list backwards, because we're removing some items
	local idx = #g_DropSpensersToActivate;
	for i = idx, 1, -1 do
		local DrSp = g_DropSpensersToActivate[i];
		if not(DrSp.World:DoWithDropSpenserAt(DrSp.x, DrSp.y, DrSp.z, ActivateDrSp)) then
			table.remove(g_DropSpensersToActivate, i);
		end
	end
	
	
	-- If GCOnTick > 0, do a garbage-collect and decrease by one
	if (GCOnTick > 0) then
		collectgarbage();
		GCOnTick = GCOnTick - 1;
	end
	
	return false;
end





function OnChunkGenerated(World, ChunkX, ChunkZ, ChunkDesc)
	-- Test ChunkDesc / BlockArea interaction
	local BlockArea = cBlockArea();
	ChunkDesc:ReadBlockArea(BlockArea, 0, 15, 50, 70, 0, 15);
	
	-- BlockArea:SaveToSchematicFile("ChunkBlocks_" .. ChunkX .. "_" .. ChunkZ .. ".schematic");

	ChunkDesc:WriteBlockArea(BlockArea, 5, 115, 5);
	return false;
end





-- Function "round" copied from http://lua-users.org/wiki/SimpleRound
function round(num, idp)
	local mult = 10^(idp or 0)
	if num >= 0 then return math.floor(num * mult + 0.5) / mult
	else return math.ceil(num * mult - 0.5) / mult end
end





function HandleListEntitiesCmd(Split, Player)
	local NumEntities = 0;
	
	local ListEntity = function(Entity)
		if (Entity:IsDestroyed()) then
			-- The entity has already been destroyed, don't list it
			return false;
		end;
		Player:SendMessage("  " .. Entity:GetUniqueID() .. ": " .. Entity:GetClass() .. "   {" .. round(Entity:GetPosX(), 2) .. ", " .. round(Entity:GetPosY(), 2) .. ", " .. round(Entity:GetPosZ(), 2) .."}");
		NumEntities = NumEntities + 1;
	end
	
	Player:SendMessage("Listing all entities...");
	Player:GetWorld():ForEachEntity(ListEntity);
	Player:SendMessage("List finished, " .. NumEntities .. " entities listed");
	return true;
end





function HandleKillEntitiesCmd(Split, Player)
	local NumEntities = 0;
	
	local KillEntity = function(Entity)
		-- kill everything except for players:
		if (Entity:GetEntityType() ~= cEntity.etPlayer) then
			Entity:Destroy();
			NumEntities = NumEntities + 1;
		end;
	end
	
	Player:SendMessage("Killing all entities...");
	Player:GetWorld():ForEachEntity(KillEntity);
	Player:SendMessage("Killed " .. NumEntities .. " entities.");
	return true;
end





function HandleWoolCmd(Split, Player)
	local Wool = cItem(E_BLOCK_WOOL, 1, E_META_WOOL_BLUE);
	Player:GetInventory():SetArmorSlot(0, Wool);
	Player:GetInventory():SetArmorSlot(1, Wool);
	Player:GetInventory():SetArmorSlot(2, Wool);
	Player:GetInventory():SetArmorSlot(3, Wool);
	Player:SendMessage("You have been bluewooled :)");
	return true;
end





function HandleTestWndCmd(a_Split, a_Player)
	local WindowType  = cWindow.Hopper;
	local WindowSizeX = 5;
	local WindowSizeY = 1;
	if (#a_Split == 4) then
		WindowType  = tonumber(a_Split[2]);
		WindowSizeX = tonumber(a_Split[3]);
		WindowSizeY = tonumber(a_Split[4]);
	elseif (#a_Split ~= 1) then
		a_Player:SendMessage("Usage: /testwnd [WindowType WindowSizeX WindowSizeY]");
		return true;
	end
	
	-- Test out the OnClosing callback's ability to refuse to close the window
	local attempt = 1;
	local OnClosing = function(Window, Player, CanRefuse)
		Player:SendMessage("Window closing attempt #" .. attempt .. "; CanRefuse = " .. tostring(CanRefuse));
		attempt = attempt + 1;
		return CanRefuse and (attempt <= 3);  -- refuse twice, then allow, unless CanRefuse is set to true
	end
	
	-- Log the slot changes
	local OnSlotChanged = function(Window, SlotNum)
		LOG("Window \"" .. Window:GetWindowTitle() .. "\" slot " .. SlotNum .. " changed.");
	end
	
	local Window = cLuaWindow(WindowType, WindowSizeX, WindowSizeY, "TestWnd");
	local Item2 = cItem(E_ITEM_DIAMOND_SWORD, 1, 0, "1=1");
	local Item3 = cItem(E_ITEM_DIAMOND_SHOVEL);
	Item3.m_Enchantments:SetLevel(cEnchantments.enchUnbreaking, 4);
	local Item4 = cItem(E_ITEM_DIAMOND_PICKAXE);
	Item4.m_Enchantments:SetLevel(cEnchantments.enchUnbreaking, 5);
	Item4.m_Enchantments:SetLevel(cEnchantments.enchEfficiency, 3);
	local Item5 = cItem(E_ITEM_DIAMOND_CHESTPLATE, 1, 0, "thorns=1;unbreaking=3");
	Window:SetSlot(a_Player, 0, cItem(E_ITEM_DIAMOND, 64));
	Window:SetSlot(a_Player, 1, Item2);
	Window:SetSlot(a_Player, 2, Item3);
	Window:SetSlot(a_Player, 3, Item4);
	Window:SetSlot(a_Player, 4, Item5);
	Window:SetOnClosing(OnClosing);
	Window:SetOnSlotChanged(OnSlotChanged);
	
	a_Player:OpenWindow(Window);
	
	-- To make sure that the object has the correct life-management in Lua,
	-- let's garbage-collect in the following few ticks
	GCOnTick = 10;
	
	return true;
end





function HandleGCCmd(a_Split, a_Player)
	collectgarbage();
	return true;
end