summaryrefslogtreecommitdiff
path: root/controller.lua
blob: 884f62019e1cebc8923f95805b24770a3e878cf7 (plain)
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
celevator.controller = {}

celevator.controller.iqueue = minetest.deserialize(celevator.storage:get_string("controller_iqueue")) or {}

celevator.controller.equeue = minetest.deserialize(celevator.storage:get_string("controller_equeue")) or {}

celevator.controller.running = {}

local fw,err = loadfile(minetest.get_modpath("celevator")..DIR_DELIM.."controllerfw.lua")
if not fw then error(err) end

minetest.register_chatcommand("celevator_reloadcontroller",{
	params = "",
	description = "Reload celevator controller firmware from disk",
	privs = {server = true},
	func = function()
		local newfw,loaderr = loadfile(minetest.get_modpath("celevator")..DIR_DELIM.."controllerfw.lua")
		if newfw then
			fw = newfw
			return true,"Firmware reloaded successfully"
		else
			return false,loaderr
		end
	end,
})

local function after_place(pos,placer)
	local node = minetest.get_node(pos)
	local toppos = {x=pos.x,y=pos.y + 1,z=pos.z}
	local topnode = minetest.get_node(toppos)
	local placername = placer:get_player_name()
	if topnode.name ~= "air" then
		if placer:is_player() then
			minetest.chat_send_player(placername,"Can't place cabinet - no room for the top half!")
		end
		minetest.set_node(pos,{name="air"})
		return true
	end
	if minetest.is_protected(toppos,placername) and not minetest.check_player_privs(placername,{protection_bypass=true}) then
		if placer:is_player() then
			minetest.chat_send_player(placername,"Can't place cabinet - top half is protected!")
			minetest.record_protection_violation(toppos,placername)
		end
		minetest.set_node(pos,{name="air"})
		return true
	end
	node.name = "celevator:controller_top"
	minetest.set_node(toppos,node)
end

local function ondestruct(pos)
	pos.y = pos.y + 1
	local topnode = minetest.get_node(pos)
	local controllertops = {
		["celevator:controller_top"] = true,
		["celevator:controller_top_running"] = true,
		["celevator:controller_top_open"] = true,
		["celevator:controller_top_open_running"] = true,
	}
	if controllertops[topnode.name] then
		minetest.set_node(pos,{name="air"})
	end
	celevator.controller.equeue[minetest.hash_node_position(pos)] = nil
	celevator.storage:set_string("controller_equeue",minetest.serialize(celevator.controller.equeue))
	local carid = minetest.get_meta(pos):get_int("carid")
	if carid ~= 0 then celevator.storage:set_string(string.format("car%d",carid),"") end
end

local function onrotate(controllerpos,node,user,mode,new_param2)
	if not minetest.global_exists("screwdriver") then
		return false
	end
	local ret = screwdriver.rotate_simple(controllerpos,node,user,mode,new_param2)
	minetest.after(0,function(pos)
		local newnode = minetest.get_node(pos)
		local param2 = newnode.param2
		pos.y = pos.y + 1
		local topnode = minetest.get_node(pos)
		topnode.param2 = param2
		minetest.set_node(pos,topnode)
	end,controllerpos)
	return ret
end

local function handlefields(pos,_,fields,sender)
	local playername = sender and sender:get_player_name() or ""
	local event = {}
	event.type = "ui"
	event.fields = fields
	event.sender = playername
	celevator.controller.run(pos,event)
end

local function controllerleds(pos,running)
	local toppos = vector.add(pos,vector.new(0,1,0))
	local node = minetest.get_node(toppos)
	local sparams = {
		pos = toppos,
	}
	if node.name == "celevator:controller_top_open" and running then
		node.name = "celevator:controller_top_open_running"
		minetest.swap_node(toppos,node)
		minetest.sound_play("celevator_controller_start",sparams,true)
	elseif node.name == "celevator:controller_top" and running then
		node.name = "celevator:controller_top_running"
		minetest.swap_node(toppos,node)
		minetest.sound_play("celevator_controller_start",sparams,true)
	elseif node.name == "celevator:controller_top_open_running" and not running then
		node.name = "celevator:controller_top_open"
		minetest.swap_node(toppos,node)
		minetest.sound_play("celevator_controller_stop",sparams,true)
	elseif node.name == "celevator:controller_top_running" and not running then
		node.name = "celevator:controller_top"
		minetest.swap_node(toppos,node)
		minetest.sound_play("celevator_controller_stop",sparams,true)
	end
end

minetest.register_node("celevator:controller",{
	description = "Controller",
	groups = {
		cracky = 1,
	},
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	node_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,0.5,0.5},
		},
	},
	selection_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,1.5,0.5},
		},
	},
	tiles = {
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_bottom.png",
	},
	after_place_node = after_place,
	on_destruct = ondestruct,
	on_rotate = onrotate,
	on_receive_fields = handlefields,
	on_construct = function(pos)
		local meta = minetest.get_meta(pos)
		meta:set_string("mem",minetest.serialize({}))
		meta:mark_as_private("mem")
		local event = {}
		event.type = "program"
		local carid = celevator.storage:get_int("maxcarid")+1
		meta:set_int("carid",carid)
		celevator.storage:set_int("maxcarid",carid)
		celevator.storage:set_string(string.format("car%d",carid),minetest.serialize({controllerpos=pos,pis={},lanterns={},callbuttons={}}))
		celevator.controller.run(pos,event)
	end,
	on_punch = function(pos,node,puncher)
		if not puncher:is_player() then
			return
		end
		local name = puncher:get_player_name()
		if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,{protection_bypass=true}) then
			minetest.chat_send_player(name,"Can't open cabinet - cabinet is locked.")
			minetest.record_protection_violation(pos,name)
			return
		end
		node.name = "celevator:controller_open"
		minetest.swap_node(pos,node)
		local meta = minetest.get_meta(pos)
		meta:set_string("formspec",meta:get_string("formspec_hidden"))
		pos.y = pos.y + 1
		node = minetest.get_node(pos)
		if node.name == "celevator:controller_top_running" then
			node.name = "celevator:controller_top_open_running"
		else
			node.name = "celevator:controller_top_open"
		end
		minetest.swap_node(pos,node)
		minetest.sound_play("doors_steel_door_open",{
			pos = pos,
			gain = 0.5,
			max_hear_distance = 10
		},true)
	end,
})

minetest.register_node("celevator:controller_open",{
	description = "Controller (door open - you hacker you!)",
	groups = {
		cracky = 1,
		not_in_creative_inventory = 1,
	},
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	drop = "celevator:controller",
	node_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,0.5,0.5},
			{-0.5,-0.5,-0.5,-0.45,0.5,0},
			{0.45,-0.5,-0.5,0.5,0.5,0},
		},
	},
	selection_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,-0.5,0.5,1.5,0.5},
		},
	},
	tiles = {
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_bottom_open_rside.png",
		"celevator_cabinet_front_bottom_open_lside.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_bottom_open.png",
	},
	after_place_node = after_place,
	on_destruct = ondestruct,
	on_rotate = onrotate,
	on_receive_fields = handlefields,
	on_punch = function(pos,node,puncher)
		if not puncher:is_player() then
			return
		end
		node.name = "celevator:controller"
		minetest.swap_node(pos,node)
		local meta = minetest.get_meta(pos)
		meta:set_string("formspec","")
		pos.y = pos.y + 1
		node = minetest.get_node(pos)
		if node.name == "celevator:controller_top_open_running" then
			node.name = "celevator:controller_top_running"
		else
			node.name = "celevator:controller_top"
		end
		minetest.swap_node(pos,node)
		minetest.sound_play("doors_steel_door_close",{
			pos = pos,
			gain = 0.5,
			max_hear_distance = 10
		},true)
	end,
})

minetest.register_node("celevator:controller_top",{
	description = "Controller (top section - you hacker you!)",
	groups = {
		not_in_creative_inventory = 1,
	},
	drop = "",
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	node_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,0.5,0.5},
		},
	},
	selection_box = {
		type = "fixed",
		fixed = {
			{0,0,0,0,0,0},
		},
	},
	tiles = {
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_top.png",
	},
})

minetest.register_node("celevator:controller_top_running",{
	description = "Controller (top section, car in motion - you hacker you!)",
	groups = {
		not_in_creative_inventory = 1,
	},
	drop = "",
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	node_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,0.5,0.5},
		},
	},
	selection_box = {
		type = "fixed",
		fixed = {
			{0,0,0,0,0,0},
		},
	},
	tiles = {
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_top.png",
	},
})

minetest.register_node("celevator:controller_top_open",{
	description = "Controller (top section, open - you hacker you!)",
	groups = {
		not_in_creative_inventory = 1,
	},
	drop = "",
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	node_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,0.5,0.5},
			{-0.5,-0.5,-0.5,-0.45,0.5,0},
			{0.45,-0.5,-0.5,0.5,0.5,0},
		},
	},
	selection_box = {
		type = "fixed",
		fixed = {
			{0,0,0,0,0,0},
		},
	},
	tiles = {
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_top_open_rside.png",
		"celevator_cabinet_front_top_open_lside.png",
		"celevator_cabinet_sides.png",
		{
			name="celevator_cabinet_front_top_open_stopped.png",
			animation={type="vertical_frames", aspect_w=32, aspect_h=32, length=2},
		}
	},
})

minetest.register_node("celevator:controller_top_open_running",{
	description = "Controller (top section, open, car in motion - you hacker you!)",
	groups = {
		not_in_creative_inventory = 1,
	},
	drop = "",
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	node_box = {
		type = "fixed",
		fixed = {
			{-0.5,-0.5,0,0.5,0.5,0.5},
			{-0.5,-0.5,-0.5,-0.45,0.5,0},
			{0.45,-0.5,-0.5,0.5,0.5,0},
		},
	},
	selection_box = {
		type = "fixed",
		fixed = {
			{0,0,0,0,0,0},
		},
	},
	tiles = {
		"celevator_cabinet_sides.png",
		"celevator_cabinet_sides.png",
		"celevator_cabinet_front_top_open_rside.png",
		"celevator_cabinet_front_top_open_lside.png",
		"celevator_cabinet_sides.png",
		{
			name="celevator_cabinet_front_top_open_running.png",
			animation={type="vertical_frames", aspect_w=32, aspect_h=32, length=2},
		}
	},
})

function celevator.controller.iscontroller(pos,call2)
	local node = minetest.get_node(pos)
	if node.name == "ignore" and not call2 then
		minetest.forceload_block(pos)
		return celevator.controller.iscontroller(pos,true)
	elseif node.name == "celevator:controller" or node.name == "celevator:controller_open" then
		return true
	else
		return false
	end
end

function celevator.controller.finddrive(pos)
	local node = minetest.get_node(pos)
	local dir = minetest.facedir_to_dir(node.param2)
	local drivepos = vector.add(pos,vector.new(0,1,0))
	drivepos = vector.add(drivepos,vector.rotate_around_axis(dir,vector.new(0,-1,0),math.pi/2))
	drivepos = vector.round(drivepos)
	local drivename = minetest.get_node(drivepos).name
	return drivepos,minetest.registered_nodes[drivename]._celevator_drive_type
end

function celevator.controller.finish(pos,mem,changedinterrupts)
	if not celevator.controller.iscontroller(pos) then
		return
	else
		local meta = minetest.get_meta(pos)
		local carid = meta:get_int("carid")
		local carinfo = minetest.deserialize(celevator.storage:get_string(string.format("car%d",carid)))
		local carinfodirty = false
		if not carinfo then
			minetest.log("error","[celevator] [controller] Bad car info for controller at "..minetest.pos_to_string(pos))
			return
		end
		local drivepos,drivetype = celevator.controller.finddrive(pos)
		if drivetype then
			for _,command in ipairs(mem.drive.commands) do
				if command.command == "moveto" then
					celevator.drives[drivetype].moveto(drivepos,command.pos)
				elseif command.command == "setmaxvel" then
					celevator.drives[drivetype].setmaxvel(drivepos,command.maxvel)
				elseif command.command == "resetpos" then
					celevator.drives[drivetype].resetpos(drivepos)
				elseif command.command == "estop" then
					celevator.drives[drivetype].estop(drivepos)
				elseif command.command == "open" then
					minetest.after(0.25,celevator.drives[drivetype].movedoors,drivepos,"open")
				elseif command.command == "close" then
					celevator.drives[drivetype].movedoors(drivepos,"close")
				elseif command.command == "resetfault" then
					celevator.drives[drivetype].resetfault(drivepos)
				end
			end
		end
		local node = minetest.get_node(pos)
		local oldmem = minetest.deserialize(meta:get_string("mem")) or {}
		local oldupbuttonlights = oldmem.upcalls or {}
		local olddownbuttonlights = oldmem.dncalls or {}
		local newupbuttonlights = mem.upcalls or {}
		local newdownbuttonlights = mem.dncalls or {}
		local callbuttons = carinfo.callbuttons
		for _,button in pairs(callbuttons) do
			if oldupbuttonlights[button.landing] ~= newupbuttonlights[button.landing] then
				celevator.callbutton.setlight(button.pos,"up",newupbuttonlights[button.landing])
			end
			if olddownbuttonlights[button.landing] ~= newdownbuttonlights[button.landing] then
				celevator.callbutton.setlight(button.pos,"down",newdownbuttonlights[button.landing])
			end
		end
		local oldpitext = oldmem.pifloor or "--"
		local newpitext = mem.pifloor or "--"
		if oldpitext ~= newpitext then
			carinfodirty = true
			carinfo.pitext = newpitext
			local pis = carinfo.pis
			for _,pi in pairs(pis) do
				celevator.pi.settext(pi.pos,newpitext)
			end
		end
		local oldpiuparrow = oldmem.piuparrow
		local newpiuparrow = mem.piuparrow
		local oldpidownarrow = oldmem.pidownarrow
		local newpidownarrow = mem.pidownarrow
		if oldpiuparrow ~= newpiuparrow then
			carinfodirty = true
			carinfo.piuparrow = newpiuparrow
			local pis = carinfo.pis
			for _,pi in pairs(pis) do
				celevator.pi.setarrow(pi.pos,"up",newpiuparrow)
			end
		end
		if oldpidownarrow ~= newpidownarrow then
			carinfodirty = true
			carinfo.pidownarrow = newpidownarrow
			local pis = carinfo.pis
			for _,pi in pairs(pis) do
				celevator.pi.setarrow(pi.pos,"down",newpidownarrow)
			end
		end
		local oldlanterns = oldmem.lanterns or {}
		local newlanterns = mem.lanterns or {}
		local lanterns = carinfo.lanterns
		for _,lantern in pairs(lanterns) do
			if oldlanterns[lantern.landing] ~= newlanterns[lantern.landing] then
				celevator.lantern.setlight(lantern.pos,"up",newlanterns[lantern.landing] == "up")
				celevator.lantern.setlight(lantern.pos,"down",newlanterns[lantern.landing] == "down")
			end
		end
		meta:set_string("copformspec",mem.copformspec)
		if mem.copformspec ~= oldmem.copformspec and drivetype then
			minetest.after(0.25,celevator.drives[drivetype].updatecopformspec,drivepos)
		end
		meta:set_string("mem",minetest.serialize(mem))
		if node.name == "celevator:controller_open" then meta:set_string("formspec",mem.formspec or "") end
		meta:set_string("formspec_hidden",mem.formspec or "")
		meta:set_string("infotext",mem.infotext or "")
		local hash = minetest.hash_node_position(pos)
		if not celevator.controller.iqueue[hash] then celevator.controller.iqueue[hash] = mem.interrupts end
		for iid in pairs(changedinterrupts) do
			celevator.controller.iqueue[hash][iid] = mem.interrupts[iid]
		end
		celevator.storage:set_string("controller_iqueue",minetest.serialize(celevator.controller.iqueue))
		controllerleds(pos,mem.showrunning)
		celevator.controller.running[hash] = nil
		if #celevator.controller.equeue[hash] > 0 then
			local event = celevator.controller.equeue[hash][1]
			table.remove(celevator.controller.equeue[hash],1)
			celevator.storage:set_string("controller_equeue",minetest.serialize(celevator.controller.equeue))
			celevator.controller.run(pos,event)
		end
		if carinfodirty then
			celevator.storage:set_string(string.format("car%d",carid),minetest.serialize(carinfo))
		end
	end
end

function celevator.controller.run(pos,event)
	if not celevator.controller.iscontroller(pos) then
		return
	else
		local hash = minetest.hash_node_position(pos)
		if not celevator.controller.equeue[hash] then
			celevator.controller.equeue[hash] = {}
			celevator.storage:set_string("controller_equeue",minetest.serialize(celevator.controller.equeue))
		end
		if celevator.controller.running[hash] then
			table.insert(celevator.controller.equeue[hash],event)
			celevator.storage:set_string("controller_equeue",minetest.serialize(celevator.controller.equeue))
			if #celevator.controller.equeue[hash] > 5 then
				local message = "[celevator] [controller] Async process for controller at %s is falling behind, %d events in queue"
				minetest.log("warning",string.format(message,minetest.pos_to_string(pos),#celevator.controller.equeue[hash]))
			end
			return
		end
		celevator.controller.running[hash] = true
		local meta = minetest.get_meta(pos)
		local mem = minetest.deserialize(meta:get_string("mem"))
		if not mem then
			minetest.log("error","[celevator] [controller] Failed to load controller memory at "..minetest.pos_to_string(pos))
			return
		end
		mem.drive = {}
		mem.drive.commands = {}
		local drivepos,drivetype = celevator.controller.finddrive(pos)
		if drivetype then
			mem.drive.type = drivetype
			mem.drive.status = celevator.drives[drivetype].getstatus(drivepos)
		end
		mem.interrupts = celevator.controller.iqueue[minetest.hash_node_position(pos)] or {}
		mem.carid = meta:get_int("carid")
		minetest.handle_async(fw,celevator.controller.finish,pos,event,mem)
	end
end

function celevator.controller.handlecallbutton(controllerpos,landing,dir)
	local event = {
		type = "callbutton",
		landing = landing,
		dir = dir,
	}
	celevator.controller.run(controllerpos,event)
end

function celevator.controller.checkiqueue(dtime)
	for hash,iqueue in pairs(celevator.controller.iqueue) do
		local pos = minetest.get_position_from_hash(hash)
		for iid,time in pairs(iqueue) do
			iqueue[iid] = time-dtime
			if iqueue[iid] < 0 then
				iqueue[iid] = nil
				local event = {}
				event.type = "interrupt"
				event.iid = iid
				celevator.controller.run(pos,event)
			end
		end
	end
end

minetest.register_globalstep(celevator.controller.checkiqueue)