summaryrefslogtreecommitdiff
path: root/callbuttons.lua
blob: 6858c10357b8b0e274b767bca322b17dcd9519f7 (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
celevator.callbutton = {}

local function makebuttontex(dir,upon,downon,inventory)
	local tex = "[combine:64x64:0,0=celevator_cabinet_sides.png:32,0=celevator_cabinet_sides.png:0,32=celevator_cabinet_sides.png:32,32=celevator_cabinet_sides.png:22,24=celevator_callbutton_panel.png"
	if inventory then tex = "[combine:32x32:5,0=celevator_callbutton_panel.png" end
	if dir == "up" then
		if inventory then
			tex = tex..":7,11=celevator_callbutton_up.png"
		else
			tex = tex..":24,35=celevator_callbutton_up.png"
		end
		if upon then
			tex = tex..":33,36=celevator_callbutton_light.png"
		end
	elseif dir == "down" then
		if inventory then
			tex = tex..":7,11=celevator_callbutton_down.png"
		else
			tex = tex..":24,35=celevator_callbutton_down.png"
		end
		if downon then
			tex = tex..":33,36=celevator_callbutton_light.png"
		end
	elseif dir == "both" then
		if inventory then
			tex = tex..":7,4=celevator_callbutton_up.png:7,19=celevator_callbutton_down.png"
		else
			tex = tex..":24,28=celevator_callbutton_up.png:24,43=celevator_callbutton_down.png"
		end
		if upon then
			tex = tex..":33,29=celevator_callbutton_light.png"
		end
		if downon then
			tex = tex..":33,44=celevator_callbutton_light.png"
		end
	end
	return(tex)
end

local validstates = {
	{"up",false,false,"Up"},
	{"up",true,false,"Up"},
	{"down",false,false,"Down"},
	{"down",false,true,"Down"},
	{"both",false,false,"Up and Down"},
	{"both",true,false,"Up and Down"},
	{"both",false,true,"Up and Down"},
	{"both",true,true,"Up and Down"},
}

function celevator.callbutton.setlight(pos,dir,newstate)
	local node = celevator.get_node(pos)
	if minetest.get_item_group(node.name,"_celevator_callbutton") ~= 1 then return end
	if dir == "up" then
		if minetest.get_item_group(node.name,"_celevator_callbutton_has_up") ~= 1 then return end
		local lit = minetest.get_item_group(node.name,"_celevator_callbutton_up_lit") == 1
		if lit == newstate then return end
		local newname = "celevator:callbutton_"
		if minetest.get_item_group(node.name,"_celevator_callbutton_has_down") == 1 then
			newname = newname.."both"
		else
			newname = newname.."up"
		end
		if newstate then newname = newname.."_upon" end
		if minetest.get_item_group(node.name,"_celevator_callbutton_down_lit") == 1 then
			newname = newname.."_downon"
		end
		node.name = newname
		minetest.swap_node(pos,node)
	elseif dir == "down" then
		if minetest.get_item_group(node.name,"_celevator_callbutton_has_down") ~= 1 then return end
		local lit = minetest.get_item_group(node.name,"_celevator_callbutton_down_lit") == 1
		if lit == newstate then return end
		local newname = "celevator:callbutton_"
		if minetest.get_item_group(node.name,"_celevator_callbutton_has_up") == 1 then
			newname = newname.."both"
		else
			newname = newname.."down"
		end
		if minetest.get_item_group(node.name,"_celevator_callbutton_up_lit") == 1 then
			newname = newname.."_upon"
		end
		if newstate then newname = newname.."_downon" end
		node.name = newname
		minetest.swap_node(pos,node)
	end
end

local function disambiguatedir(pos,player)
	if player and not player.is_fake_player then
		local eyepos = vector.add(player:get_pos(),vector.add(player:get_eye_offset(),vector.new(0,1.5,0)))
		local lookdir = player:get_look_dir()
		local distance = vector.distance(eyepos,pos)
		local endpos = vector.add(eyepos,vector.multiply(lookdir,distance+1))
		local ray = minetest.raycast(eyepos,endpos,true,false)
		local pointed,button,hitpos
		repeat
			pointed = ray:next()
			if pointed and pointed.type == "node" then
				local node = minetest.get_node(pointed.under)
				if node.name and (minetest.get_item_group(node.name,"_celevator_callbutton") == 1) then
					button = pointed.under
					hitpos = vector.subtract(pointed.intersection_point,button)
				end
			end
		until button or not pointed
		if not hitpos then return end
		hitpos.y = -1*hitpos.y
		hitpos.y = math.floor((hitpos.y+0.5)*64+0.5)+1
		return hitpos.y >= 40 and "down" or "up"
	end
end

for _,state in ipairs(validstates) do
	local boringside = "[combine:64x64:0,0=celevator_cabinet_sides.png:32,0=celevator_cabinet_sides.png:0,32=celevator_cabinet_sides.png:32,32=celevator_cabinet_sides.png"
	local nname = "celevator:callbutton_"..state[1]
	local dropname = nname
	if state[2] then nname = nname.."_upon" end
	if state[3] then nname = nname.."_downon" end
	local idle = not (state[2] or state[3])
	local description = string.format("Elevator %s Call Button%s%s",state[4],(state[1] == "both" and "s" or ""),(idle and "" or " (on state, you hacker you!)"))
	minetest.register_node(nname,{
		description = description,
		groups = {
			dig_immediate = 2,
			not_in_creative_inventory = (idle and 0 or 1),
			_celevator_callbutton = 1,
			_celevator_callbutton_has_up = (state[1] == "down" and 0 or 1),
			_celevator_callbutton_has_down = (state[1] == "up" and 0 or 1),
			_celevator_callbutton_up_lit = (state[2] and 1 or 0),
			_celevator_callbutton_down_lit = (state[3] and 1 or 0),
		},
		inventory_image = makebuttontex(state[1],state[2],state[3],true),
		drop = dropname,
		tiles = {
			boringside,
			boringside,
			boringside,
			boringside,
			boringside,
			makebuttontex(state[1],state[2],state[3])
		},
		paramtype = "light",
		paramtype2 = "facedir",
		drawtype = "nodebox",
		node_box = {
			type = "fixed",
			fixed = {
				{-0.16,-0.37,0.475,0.17,0.13,0.5},
			},
		},
		after_place_node = function(pos)
			local meta = minetest.get_meta(pos)
			meta:set_string("formspec","formspec_version[7]size[8,5]field[0.5,0.5;7,1;carid;Car ID;]field[0.5,2;7,1;landing;Landing Number;]button[3,3.5;2,1;save;Save]")
		end,
		on_receive_fields = function(pos,_,fields)
			if tonumber(fields.carid) and tonumber(fields.landing) then
				local carid = tonumber(fields.carid)
				local carinfo = minetest.deserialize(celevator.storage:get_string(string.format("car%d",carid)))
				if not carinfo then return end
				table.insert(carinfo.callbuttons,{pos=pos,landing=tonumber(fields.landing)})
				celevator.storage:set_string(string.format("car%d",carid),minetest.serialize(carinfo))
				local meta = minetest.get_meta(pos)
				meta:set_int("carid",carid)
				meta:set_int("landing",tonumber(fields.landing))
				meta:set_string("formspec","")
			end
		end,
		on_destruct = function(pos)
			local meta = minetest.get_meta(pos)
			local carid = meta:get_int("carid")
			if carid == 0 then return end
			local carinfo = minetest.deserialize(celevator.storage:get_string(string.format("car%d",carid)))
			if not carinfo then return end
			for i,button in pairs(carinfo.callbuttons) do
				if vector.equals(pos,button.pos) then
					table.remove(carinfo.callbuttons,i)
					celevator.storage:set_string(string.format("car%d",carid),minetest.serialize(carinfo))
				end
			end
		end,
		on_rightclick = function(pos,_,clicker)
			local meta = minetest.get_meta(pos)
			local carid = meta:get_int("carid")
			if carid == 0 then return end
			local carinfo = minetest.deserialize(celevator.storage:get_string(string.format("car%d",carid)))
			if not carinfo then return end
			local controllerpos = carinfo.controllerpos
			local controllermeta = minetest.get_meta(controllerpos)
			if controllermeta:get_int("carid") ~= carid then return end
			local landing = meta:get_int("landing")
			if state[1] == "up" then
				celevator.controller.handlecallbutton(controllerpos,landing,"up")
			elseif state[1] == "down" then
				celevator.controller.handlecallbutton(controllerpos,landing,"down")
			elseif state[1] == "both" then
				local dir = disambiguatedir(pos,clicker)
				if dir == "up" then
					celevator.controller.handlecallbutton(controllerpos,landing,"up")
				elseif dir == "down" then
					celevator.controller.handlecallbutton(controllerpos,landing,"down")
				end
			end
		end,
	})
end