summaryrefslogtreecommitdiff
path: root/wielder.lua
blob: 102f0bfd1e8992179335652e854bdc4ec143e214 (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
local assumed_eye_pos = vector.new(0, 1.5, 0)

local function vector_copy(v)
	return { x = v.x, y = v.y, z = v.z }
end

local function delay(x)
	return (function() return x end)
end

local function set_wielder_formspec(data, meta)
	meta:set_string("formspec",
			"invsize[8,"..(6+data.wield_inv_height)..";]"..
			"item_image[0,0;1,1;"..data.name_base.."_off]"..
			"label[1,0;"..minetest.formspec_escape(data.description).."]"..
			"list[current_name;"..minetest.formspec_escape(data.wield_inv_name)..";"..((8-data.wield_inv_width)*0.5)..",1;"..data.wield_inv_width..","..data.wield_inv_height..";]"..
			"list[current_player;main;0,"..(2+data.wield_inv_height)..";8,4;]" ..
			"listring[]")
	meta:set_string("infotext", data.description)
end

local can_tool_dig_node = function(nodename, toolcaps, toolname)
	--pipeworks.logger("can_tool_dig_node() STUB nodename="..tostring(nodename).." toolname="..tostring(toolname).." toolcaps: "..dump(toolcaps))
	-- brief documentation of minetest.get_dig_params() as it's not yet documented in lua_api.txt:
	-- takes two arguments, a node's block groups and a tool's capabilities,
	-- both as they appear in their respective definitions.
	-- returns a table with the following fields:
	-- diggable: boolean, can this tool dig this node at all
	-- time: float, time needed to dig with this tool
	-- wear: int, number of wear points to inflict on the item
	local nodedef = minetest.registered_nodes[nodename]
	-- don't explode due to nil def in event of unknown node!
	if (nodedef == nil) then return false end

	local nodegroups = nodedef.groups
	local diggable = minetest.get_dig_params(nodegroups, toolcaps).diggable
	if not diggable then
		-- a pickaxe can't actually dig leaves based on it's groups alone,
		-- but a player holding one can - the game seems to fall back to the hand.
		-- fall back to checking the hand's properties if the tool isn't the correct one.
		local hand_caps = minetest.registered_items[""].tool_capabilities
		diggable = minetest.get_dig_params(nodegroups, hand_caps)
	end
	return diggable
end

local function wielder_on(data, wielder_pos, wielder_node)
	data.fixup_node(wielder_pos, wielder_node)
	if wielder_node.name ~= data.name_base.."_off" then return end
	wielder_node.name = data.name_base.."_on"
	minetest.swap_node(wielder_pos, wielder_node)
	minetest.check_for_falling(wielder_pos)
	local wielder_meta = minetest.get_meta(wielder_pos)
	local inv = wielder_meta:get_inventory()
	local wield_inv_name = data.wield_inv_name
	local wieldindex
	for i, stack in ipairs(inv:get_list(wield_inv_name)) do
		if not stack:is_empty() then
			wieldindex = i
			break
		end
	end
	if not wieldindex then
		if not data.ghost_inv_name then return end
		wield_inv_name = data.ghost_inv_name
		inv:set_stack(wield_inv_name, 1, ItemStack(data.ghost_tool))
		wieldindex = 1
	end
	local dir = minetest.facedir_to_dir(wielder_node.param2)
	-- under/above is currently intentionally left switched
	-- even though this causes some problems with deployers and e.g. seeds
	-- as there are some issues related to nodebreakers otherwise breaking 2 nodes afar.
	-- solidity would have to be checked as well,
	-- but would open a whole can of worms related to difference in nodebreaker/deployer behavior
	-- and the problems of wielders acting on themselves if below is solid
	local under_pos = vector.subtract(wielder_pos, dir)
	local above_pos = vector.subtract(under_pos, dir)
	local pitch
	local yaw
	if dir.z < 0 then
		yaw = 0
		pitch = 0
	elseif dir.z > 0 then
		yaw = math.pi
		pitch = 0
	elseif dir.x < 0 then
		yaw = 3*math.pi/2
		pitch = 0
	elseif dir.x > 0 then
		yaw = math.pi/2
		pitch = 0
	elseif dir.y > 0 then
		yaw = 0
		pitch = -math.pi/2
	else
		yaw = 0
		pitch = math.pi/2
	end
	local virtplayer = pipeworks.create_fake_player({
		name = data.masquerade_as_owner and wielder_meta:get_string("owner")
			or ":pipeworks:" .. minetest.pos_to_string(wielder_pos),
		formspec = wielder_meta:get_string("formspec"),
		look_dir = vector.multiply(dir, -1),
		look_pitch = pitch,
		look_yaw = yaw,
		sneak = data.sneak,
		position = vector.subtract(wielder_pos, assumed_eye_pos),
		inventory = inv,
		wield_index = wieldindex,
		wield_list = wield_inv_name
	})

	local pointed_thing = { type="node", under=under_pos, above=above_pos }
	data.act(virtplayer, pointed_thing)
	if data.eject_drops then
		for i, stack in ipairs(inv:get_list("main")) do
			if not stack:is_empty() then
				pipeworks.tube_inject_item(wielder_pos, wielder_pos, dir, stack)
				inv:set_stack("main", i, ItemStack(""))
			end
		end
	end
end

local function wielder_off(data, pos, node)
	if node.name == data.name_base.."_on" then
		node.name = data.name_base.."_off"
		minetest.swap_node(pos, node)
		minetest.check_for_falling(pos)
	end
end

local function register_wielder(data)
	data.fixup_node = data.fixup_node or function (pos, node) end
	data.fixup_oldmetadata = data.fixup_oldmetadata or function (m) return m end
	for _, state in ipairs({ "off", "on" }) do
		local groups = { snappy=2, choppy=2, oddly_breakable_by_hand=2, mesecon=2, tubedevice=1, tubedevice_receiver=1 }
		if state == "on" then groups.not_in_creative_inventory = 1 end
		local tile_images = {}
		for _, face in ipairs({ "top", "bottom", "side2", "side1", "back", "front" }) do
			table.insert(tile_images, data.texture_base.."_"..face..(data.texture_stateful[face] and "_"..state or "")..".png")
		end
		minetest.register_node(data.name_base.."_"..state, {
			description = data.description,
			tiles = tile_images,
			mesecons = {
				effector = {
					rules = pipeworks.rules_all,
					action_on = function (pos, node)
						wielder_on(data, pos, node)
					end,
					action_off = function (pos, node)
						wielder_off(data, pos, node)
					end,
				},
			},
			tube = {
				can_insert = function(pos, node, stack, tubedir)
					if not data.tube_permit_anteroposterior_insert then
						local nodedir = minetest.facedir_to_dir(node.param2)
						if vector.equals(tubedir, nodedir) or vector.equals(tubedir, vector.multiply(nodedir, -1)) then
							return false
						end
					end
					local meta = minetest.get_meta(pos)
					local inv = meta:get_inventory()
					return inv:room_for_item(data.wield_inv_name, stack)
				end,
				insert_object = function(pos, node, stack, tubedir)
					if not data.tube_permit_anteroposterior_insert then
						local nodedir = minetest.facedir_to_dir(node.param2)
						if vector.equals(tubedir, nodedir) or vector.equals(tubedir, vector.multiply(nodedir, -1)) then
							return stack
						end
					end
					local meta = minetest.get_meta(pos)
					local inv = meta:get_inventory()
					return inv:add_item(data.wield_inv_name, stack)
				end,
				input_inventory = data.wield_inv_name,
				connect_sides = data.tube_connect_sides,
				can_remove = function(pos, node, stack, tubedir)
					return stack:get_count()
				end,
			},
			is_ground_content = true,
			paramtype2 = "facedir",
			tubelike = 1,
			groups = groups,
			sounds = default.node_sound_stone_defaults(),
			drop = data.name_base.."_off",
			on_construct = function(pos)
				local meta = minetest.get_meta(pos)
				set_wielder_formspec(data, meta)
				local inv = meta:get_inventory()
				inv:set_size(data.wield_inv_name, data.wield_inv_width*data.wield_inv_height)
				if data.ghost_inv_name then
					inv:set_size(data.ghost_inv_name, 1)
				end
				if data.eject_drops then
					inv:set_size("main", 100)
				end
			end,
			after_place_node = function (pos, placer)
				pipeworks.scan_for_tube_objects(pos)
				local placer_pos = placer:get_pos()
				if placer_pos and placer:is_player() then placer_pos = vector.add(placer_pos, assumed_eye_pos) end
				if placer_pos then
					local dir = vector.subtract(pos, placer_pos)
					local node = minetest.get_node(pos)
					node.param2 = minetest.dir_to_facedir(dir, true)
					minetest.set_node(pos, node)
					minetest.log("action", "real (6d) facedir: " .. node.param2)
				end
				minetest.get_meta(pos):set_string("owner", placer:get_player_name())
			end,
			can_dig = (data.can_dig_nonempty_wield_inv and delay(true) or function(pos, player)
				local meta = minetest.get_meta(pos)
				local inv = meta:get_inventory()
				return inv:is_empty(data.wield_inv_name)
			end),
			after_dig_node = function(pos, oldnode, oldmetadata, digger)
				-- The legacy-node fixup is done here in a
				-- different form from the standard fixup,
				-- rather than relying on a standard fixup
				-- in an on_dig callback, because some
				-- non-standard diggers (such as technic's
				-- mining drill) don't respect on_dig.
				oldmetadata = data.fixup_oldmetadata(oldmetadata)
				for _, stack in ipairs(oldmetadata.inventory[data.wield_inv_name] or {}) do
					if not stack:is_empty() then
						minetest.add_item(pos, stack)
					end
				end
				pipeworks.scan_for_tube_objects(pos)
			end,
			on_rotate = pipeworks.on_rotate,
			on_punch = data.fixup_node,
			allow_metadata_inventory_put = function(pos, listname, index, stack, player)
				if not pipeworks.may_configure(pos, player) then return 0 end
				return stack:get_count()
			end,
			allow_metadata_inventory_take = function(pos, listname, index, stack, player)
				if not pipeworks.may_configure(pos, player) then return 0 end
				return stack:get_count()
			end,
			allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
				if not pipeworks.may_configure(pos, player) then return 0 end
				return count
			end
		})
	end
end

if pipeworks.enable_node_breaker then
	local data
	-- see after end of data table for other use of these variables
	local name_base = "pipeworks:nodebreaker"
	local wield_inv_name = "pick"
	data = {
		name_base = name_base,
		description = "Node Breaker",
		texture_base = "pipeworks_nodebreaker",
		texture_stateful = { top = true, bottom = true, side2 = true, side1 = true, front = true },
		tube_connect_sides = { top=1, bottom=1, left=1, right=1, back=1 },
		tube_permit_anteroposterior_insert = false,
		wield_inv_name = wield_inv_name,
		wield_inv_width = 1,
		wield_inv_height = 1,
		can_dig_nonempty_wield_inv = true,
		ghost_inv_name = "ghost_pick",
		ghost_tool = ":",	-- hand by default
		fixup_node = function (pos, node)
			local meta = minetest.get_meta(pos)
			local inv = meta:get_inventory()
			-- Node breakers predating the visible pick slot
			-- may have been partially updated.  This code
			-- fully updates them.	Some have been observed
			-- to have no pick slot at all; first add one.
			if inv:get_size("pick") ~= 1 then
				inv:set_size("pick", 1)
			end
			-- Originally, they had a ghost pick in a "pick"
			-- inventory, no other inventory, and no form.
			-- The partial update of early with-form node
			-- breaker code gives them "ghost_pick" and "main"
			-- inventories, but leaves the old ghost pick in
			-- the "pick" inventory, and doesn't add a form.
			-- First perform that partial update.
			if inv:get_size("ghost_pick") ~= 1 then
				inv:set_size("ghost_pick", 1)
				inv:set_size("main", 100)
			end
			-- If the node breaker predates the visible pick
			-- slot, which we can detect by it not having a
			-- form, then the pick slot needs to be cleared
			-- of the old ghost pick.
			if (meta:get_string("formspec") or "") == "" then
				inv:set_stack("pick", 1, ItemStack(""))
			end
			-- Finally, unconditionally set the formspec
			-- and infotext.  This not only makes the
			-- pick slot visible for node breakers where
			-- it wasn't before; it also updates the form
			-- for node breakers that had an older version
			-- of the form, and sets infotext where it was
			-- missing for early with-form node breakers.
			set_wielder_formspec(data, meta)
		end,
		fixup_oldmetadata = function (oldmetadata)
			-- Node breakers predating the visible pick slot,
			-- with node form, kept their ghost pick in an
			-- inventory named "pick", the same name as the
			-- later visible pick slot.  The pick must be
			-- removed to avoid spilling it.
			if not oldmetadata.fields.formspec then
				return { inventory = { pick = {} }, fields = oldmetadata.fields }
			else
				return oldmetadata
			end
		end,
		masquerade_as_owner = true,
		sneak = false,
		act = function(virtplayer, pointed_thing)
			--local dname = "nodebreaker.act() "
			local wieldstack = virtplayer:get_wielded_item()
			local oldwieldstack = ItemStack(wieldstack)
			local on_use = (minetest.registered_items[wieldstack:get_name()] or {}).on_use
			if on_use then
				--pipeworks.logger(dname.."invoking on_use "..tostring(on_use))
				wieldstack = on_use(wieldstack, virtplayer, pointed_thing) or wieldstack
				virtplayer:set_wielded_item(wieldstack)
			else
				local under_node = minetest.get_node(pointed_thing.under)
				local def = minetest.registered_nodes[under_node.name]
				if not def then
					-- do not dig an unknown node
					return
				end
				-- check that the current tool is capable of destroying the
				-- target node.
				-- if we can't, don't dig, and leave the wield stack unchanged.
				-- note that wieldstack:get_tool_capabilities() returns hand
				-- properties if the item has none of it's own.
				if can_tool_dig_node(under_node.name,
						wieldstack:get_tool_capabilities(),
						wieldstack:get_name()) then
					def.on_dig(pointed_thing.under, under_node, virtplayer)
					local sound = def.sounds and def.sounds.dug
					if sound then
						minetest.sound_play(sound.name,
							{pos=pointed_thing.under, gain=sound.gain})
					end
					wieldstack = virtplayer:get_wielded_item()
				else
					--pipeworks.logger(dname.."couldn't dig node!")
				end
			end
			local wieldname = wieldstack:get_name()
			if wieldname == oldwieldstack:get_name() then
				-- don't mechanically wear out tool
				if wieldstack:get_count() == oldwieldstack:get_count() and
						wieldstack:get_metadata() == oldwieldstack:get_metadata() and
						((minetest.registered_items[wieldstack:get_name()] or {}).wear_represents or "mechanical_wear") == "mechanical_wear" then
					virtplayer:set_wielded_item(oldwieldstack)
				end
			elseif wieldname ~= "" then
				-- tool got replaced by something else:
				-- treat it as a drop
				virtplayer:get_inventory():add_item("main", wieldstack)
				virtplayer:set_wielded_item(ItemStack(""))
			end
		end,
		eject_drops = true,
	}
	register_wielder(data)
	minetest.register_craft({
		output = "pipeworks:nodebreaker_off",
		recipe = {
			{ "pipeworks:gear", "pipeworks:gear",   "pipeworks:gear"    },
			{ "default:stone", "mesecons:piston",   "default:stone" },
			{ "group:wood",    "mesecons:mesecon",  "group:wood" },
		}
	})
	-- aliases for when someone had technic installed, but then uninstalled it but not pipeworks
	minetest.register_alias("technic:nodebreaker_off", "pipeworks:nodebreaker_off")
	minetest.register_alias("technic:nodebreaker_on", "pipeworks:nodebreaker_on")
	minetest.register_alias("technic:node_breaker_off", "pipeworks:nodebreaker_off")
	minetest.register_alias("technic:node_breaker_on", "pipeworks:nodebreaker_on")
	-- turn legacy auto-tree-taps into node breakers
	dofile(pipeworks.modpath.."/legacy.lua")

	-- register LBM for transition to cheaper node breakers
	local lbm_id = "pipeworks:refund_node_breaker_pick"
	minetest.register_lbm({
		name = lbm_id,
		label = "Give back mese pick for pre-transition node breakers",
		run_at_every_load = false,
		nodenames = { name_base.."_on", name_base.."_off" },
		action = function(pos, node)
			pipeworks.logger(lbm_id.." entry, nodename="..node.name)
			local invref = minetest.get_meta(pos):get_inventory()
			invref:add_item(wield_inv_name, ItemStack("default:pick_mese"))
		end
	})
end

if pipeworks.enable_deployer then
	register_wielder({
		name_base = "pipeworks:deployer",
		description = "Deployer",
		texture_base = "pipeworks_deployer",
		texture_stateful = { front = true },
		tube_connect_sides = { back=1 },
		tube_permit_anteroposterior_insert = true,
		wield_inv_name = "main",
		wield_inv_width = 3,
		wield_inv_height = 3,
		can_dig_nonempty_wield_inv = false,
		masquerade_as_owner = true,
		sneak = false,
		act = function(virtplayer, pointed_thing)
			local wieldstack = virtplayer:get_wielded_item()
			virtplayer:set_wielded_item((minetest.registered_items[wieldstack:get_name()] or {on_place=minetest.item_place}).on_place(wieldstack, virtplayer, pointed_thing) or wieldstack)
		end,
		eject_drops = false,
	})
	minetest.register_craft({
		output = "pipeworks:deployer_off",
		recipe = {
			{ "group:wood",    "default:chest",    "group:wood"    },
			{ "default:stone", "mesecons:piston",  "default:stone" },
			{ "default:stone", "mesecons:mesecon", "default:stone" },
		}
	})
	-- aliases for when someone had technic installed, but then uninstalled it but not pipeworks
	minetest.register_alias("technic:deployer_off", "pipeworks:deployer_off")
	minetest.register_alias("technic:deployer_on", "pipeworks:deployer_on")
end

if pipeworks.enable_dispenser then
	register_wielder({
		name_base = "pipeworks:dispenser",
		description = "Dispenser",
		texture_base = "pipeworks_dispenser",
		texture_stateful = { front = true },
		tube_connect_sides = { back=1 },
		tube_permit_anteroposterior_insert = true,
		wield_inv_name = "main",
		wield_inv_width = 3,
		wield_inv_height = 3,
		can_dig_nonempty_wield_inv = false,
		masquerade_as_owner = false,
		sneak = true,
		act = function(virtplayer, pointed_thing)
			local wieldstack = virtplayer:get_wielded_item()
			virtplayer:set_wielded_item((minetest.registered_items[wieldstack:get_name()] or
				{on_drop=minetest.item_drop}).on_drop(wieldstack, virtplayer, virtplayer:get_pos()) or
				wieldstack)
		end,
		eject_drops = false,
	})
	minetest.register_craft({
		output = "pipeworks:dispenser_off",
		recipe = {
			{ "default:desert_sand", "default:chest",    "default:desert_sand" },
			{ "default:stone",       "mesecons:piston",  "default:stone"       },
			{ "default:stone",       "mesecons:mesecon", "default:stone"       },
		}
	})
end