summaryrefslogtreecommitdiff
path: root/dispatcher.lua
blob: ae70c35fd7b91dcf9863e736c6b08770e264b1aa (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
celevator.dispatcher = {}

celevator.dispatcher.iqueue = minetest.deserialize(celevator.storage:get_string("dispatcher_iqueue")) or {}

celevator.dispatcher.equeue = minetest.deserialize(celevator.storage:get_string("dispatcher_equeue")) or {}

celevator.dispatcher.running = {}

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

minetest.register_chatcommand("celevator_reloaddispatcher",{
	params = "",
	description = "Reload celevator dispatcher firmware from disk",
	privs = {server = true},
	func = function()
		local newfw,loaderr = loadfile(minetest.get_modpath("celevator")..DIR_DELIM.."dispatcherfw.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:dispatcher_top"
	minetest.set_node(toppos,node)
end

local function ondestruct(pos)
	pos.y = pos.y + 1
	local topnode = minetest.get_node(pos)
	local dispatchertops = {
		["celevator:dispatcher_top"] = true,
		["celevator:dispatcher_top_open"] = true,
	}
	if dispatchertops[topnode.name] then
		minetest.set_node(pos,{name="air"})
	end
	celevator.dispatcher.equeue[minetest.hash_node_position(pos)] = nil
	celevator.storage:set_string("dispatcher_equeue",minetest.serialize(celevator.dispatcher.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.dispatcher.run(pos,event)
end

minetest.register_node("celevator:dispatcher",{
	description = "Elevator Dispatcher",
	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({dispatcherpos=pos,callbuttons={},fs1switches={}}))
		celevator.dispatcher.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:dispatcher_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)
		node.name = "celevator:dispatcher_top_open"
		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:dispatcher_open",{
	description = "Dispatcher (door open - you hacker you!)",
	groups = {
		cracky = 1,
		not_in_creative_inventory = 1,
	},
	paramtype = "light",
	paramtype2 = "facedir",
	drawtype = "nodebox",
	drop = "celevator:dispatcher",
	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",
		{
			name="celevator_dispatcher_front_bottom_open.png",
			animation={type="vertical_frames", aspect_w=32, aspect_h=32, length=2},
		}
	},
	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:dispatcher"
		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)
		node.name = "celevator:dispatcher_top"
		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:dispatcher_top",{
	description = "Dispatcher (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_dispatcher_front_top.png",
	},
})

minetest.register_node("celevator:dispatcher_top_open",{
	description = "Dispatcher (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_dispatcher_front_top_open_lside.png",
		"celevator_cabinet_sides.png",
		"celevator_dispatcher_front_top_open.png",
	},
})

function celevator.dispatcher.isdispatcher(pos)
	local node = celevator.get_node(pos)
	return (node.name == "celevator:dispatcher" or node.name == "celevator:dispatcher_open")
end

function celevator.dispatcher.finish(pos,mem,changedinterrupts)
	if not celevator.dispatcher.isdispatcher(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 dispatcher at "..minetest.pos_to_string(pos))
			return
		end
		local node = celevator.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 oldfs1led = oldmem.fs1led
		local newfs1led = mem.fs1led
		local fs1switches = carinfo.fs1switches or {}
		if oldfs1led ~= newfs1led then
			for _,fs1switch in pairs(fs1switches) do
				celevator.fs1switch.setled(fs1switch.pos,newfs1led)
			end
		end
		for _,message in ipairs(mem.messages) do
			local destinfo = minetest.deserialize(celevator.storage:get_string(string.format("car%d",message.carid)))
			if destinfo and destinfo.controllerpos then
				celevator.controller.run(destinfo.controllerpos,{
					type = "dispatchermsg",
					source = mem.carid,
					channel = message.channel,
					msg = message.message,
				})
			end
		end
		meta:set_string("mem",minetest.serialize(mem))
		if node.name == "celevator:dispatcher_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.dispatcher.iqueue[hash] then celevator.dispatcher.iqueue[hash] = mem.interrupts end
		for iid in pairs(changedinterrupts) do
			celevator.dispatcher.iqueue[hash][iid] = mem.interrupts[iid]
		end
		celevator.storage:set_string("dispatcher_iqueue",minetest.serialize(celevator.dispatcher.iqueue))
		celevator.dispatcher.running[hash] = nil
		if #celevator.dispatcher.equeue[hash] > 0 then
			local event = celevator.dispatcher.equeue[hash][1]
			table.remove(celevator.dispatcher.equeue[hash],1)
			celevator.storage:set_string("dispatcher_equeue",minetest.serialize(celevator.dispatcher.equeue))
			celevator.dispatcher.run(pos,event)
		end
		if carinfodirty then
			celevator.storage:set_string(string.format("car%d",carid),minetest.serialize(carinfo))
		end
	end
end

function celevator.dispatcher.run(pos,event)
	if not celevator.dispatcher.isdispatcher(pos) then
		return
	else
		local hash = minetest.hash_node_position(pos)
		if not celevator.dispatcher.equeue[hash] then
			celevator.dispatcher.equeue[hash] = {}
			celevator.storage:set_string("dispatcher_equeue",minetest.serialize(celevator.dispatcher.equeue))
		end
		if celevator.dispatcher.running[hash] then
			table.insert(celevator.dispatcher.equeue[hash],event)
			celevator.storage:set_string("dispatcher_equeue",minetest.serialize(celevator.dispatcher.equeue))
			if #celevator.dispatcher.equeue[hash] > 20 then
				local message = "[celevator] [dispatcher] Async process for dispatcher at %s is falling behind, %d events in queue"
				minetest.log("warning",string.format(message,minetest.pos_to_string(pos),#celevator.dispatcher.equeue[hash]))
			end
			return
		end
		celevator.dispatcher.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 dispatcher memory at "..minetest.pos_to_string(pos))
			return
		end
		mem.interrupts = celevator.dispatcher.iqueue[minetest.hash_node_position(pos)] or {}
		mem.carid = meta:get_int("carid")
		minetest.handle_async(fw,celevator.dispatcher.finish,pos,event,mem)
	end
end

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

function celevator.dispatcher.handlefs1switch(dispatcherpos,on)
	local event = {
		type = "fs1switch",
		state = on,
	}
	celevator.dispatcher.run(dispatcherpos,event)
end

function celevator.dispatcher.checkiqueue(dtime)
	for hash,iqueue in pairs(celevator.dispatcher.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.dispatcher.run(pos,event)
			end
		end
	end
end

minetest.register_globalstep(celevator.dispatcher.checkiqueue)

minetest.register_abm({
	label = "Run otherwise idle dispatchers if a user is nearby",
	nodenames = {"celevator:dispatcher","celevator:dispatcher_open"},
	interval = 1,
	chance = 1,
	action = function(pos)
		local event = {
			type = "abm"
		}
		celevator.dispatcher.run(pos,event)
	end,
})