summaryrefslogtreecommitdiff
path: root/init.lua
blob: 8ede06cd07fb74a078c931ba19330fecba760692 (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
local function removeEntity(pos)
	local entitiesNearby = minetest.get_objects_inside_radius(pos,0.5)
	for _,i in pairs(entitiesNearby) do
		if i:get_luaentity() and i:get_luaentity().name == "digidisplay:text" then
			i:remove()
		end
	end
end

local function generateTexture(fsize,text)
	local defTiny = {lines = 20,lineLen = 32,size = 256,margin = 4}
	local defSmall = {lines = 10,lineLen = 16,size = 128,margin = 4}
	local defMedium = {lines = 5,lineLen = 8,size = 64,margin = 4}
	local defLarge = {lines = 2,lineLen = 4,size = 32,margin = 4}
	local defHuge = {lines = 1,lineLen = 2,size = 16,margin = 2}
	local ddef
	if fsize == "tiny" then ddef = defTiny
	elseif fsize == "small" then ddef = defSmall
	elseif fsize == "medium" then ddef = defMedium
	elseif fsize == "large" then ddef = defLarge
	elseif fsize == "huge" then ddef = defHuge end
	if text == "" or not ddef then return "digidisplay_20.png" end
	local out = string.format("[combine:%dx%d",ddef.size,ddef.size)
	local line = 0
	local pos = 0
	local full = false
	for i=1,string.len(text),1 do
		local char = string.byte(string.sub(text,i,i))
		if char == 0xA then
			pos = 0
			line = line + 1
			if line >= ddef.lines then full = true end
		elseif not full then
			if char < 0x20 or char > 0x7A then
				char = 0x3F
			end
			out = out..string.format(":%d,%d=digidisplay_%02x.png",pos*7+ddef.margin,line*12+ddef.margin,char)
			pos = pos+1
			if pos >= ddef.lineLen then
				pos = 0
				line = line + 1
			end
			if line >= ddef.lines then
				full = true
			end
		end
	end
	return out
end

local function updateDisplay(pos)
	removeEntity(pos)
	local meta = minetest.get_meta(pos)
	local text = meta:get_string("text")
	local entity = minetest.add_entity(pos,"digidisplay:text")
	local nname = minetest.get_node(pos).name
	local fdir = minetest.facedir_to_dir(minetest.get_node(pos).param2)
	local etex = ""
	if nname == "digidisplay:tiny" then
		etex = generateTexture("tiny",text)
	elseif nname == "digidisplay:small" then
		etex = generateTexture("small",text)
	elseif nname == "digidisplay:medium" then
		etex = generateTexture("medium",text)
	elseif nname == "digidisplay:large" then
		etex = generateTexture("large",text)
	elseif nname == "digidisplay:huge" then
		etex = generateTexture("huge",text)
	else
		return
	end
	entity:set_properties({textures={etex}})
	entity:set_yaw((fdir.x ~= 0) and math.pi/2 or 0)
	entity:set_pos(vector.add(pos,vector.multiply(fdir,0.39)))
end

minetest.register_entity("digidisplay:text",{
	initial_properties = {
		visual = "upright_sprite",
		physical = false,
		collisionbox = {0,0,0,0,0,0,},
		textures = {"digidisplay_20.png",},
	},
})

for _,i in pairs({"tiny","small","medium","large","huge"}) do
	minetest.register_node(string.format("digidisplay:%s",i),{
		description = string.format("Digilines Display (%s font)",i),
		tiles = {"digidisplay_bg.png",},
		groups = {cracky=3,digidisplay_lbm=1},
		paramtype = "light",
		paramtype2 = "facedir",
		on_rotate = screwdriver and screwdriver.rotate_simple,
		drawtype = "nodebox",
		inventory_image = string.format("digidisplay_inventory_%s.png",i),
		node_box = {
			type = "fixed",
			fixed = {-0.5,-0.5,0.4,0.5,0.5,0.5},
		},
		_digistuff_channelcopier_fieldname = "channel",
		on_construct = function(pos)
			local meta = minetest.get_meta(pos)
			meta:set_string("formspec","field[channel;Channel;${channel}]")
		end,
		on_destruct = removeEntity,
		on_receive_fields = function(pos,_,fields,sender)
			local name = sender:get_player_name()
			if not fields.channel then return end
			if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,"protection_bypass") then
				minetest.record_protection_violation(pos,name)
				return
			end
			local meta = minetest.get_meta(pos)
			meta:set_string("channel",fields.channel)
		end,
		digiline = {
			wire = {
				rules = digiline.rules.default,
			},
			effector = {
				action = function(pos,_,channel,msg)
					local meta = minetest.get_meta(pos)
					local setchan = meta:get_string("channel")
					if type(msg) ~= "string" or setchan ~= channel then return end
					meta:set_string("text",msg)
					updateDisplay(pos)
				end,
			},
		},
	})
end

minetest.register_lbm({
	name = "digidisplay:respawn",
	label = "Respawn entities",
	nodenames = {"group:digidisplay_lbm"},
	run_at_every_load = true,
	action = updateDisplay,
})

minetest.register_craft({
	output = "digidisplay:medium",
	recipe = {
		{"mesecons_lightstone:lightstone_orange_off","mesecons_lightstone:lightstone_orange_off","mesecons_lightstone:lightstone_orange_off",},
		{"mesecons_lightstone:lightstone_orange_off","digilines:wire_std_00000000","mesecons_lightstone:lightstone_orange_off",},
		{"mesecons_lightstone:lightstone_orange_off","mesecons_lightstone:lightstone_orange_off","mesecons_lightstone:lightstone_orange_off",},
	},
})

local shapelessCrafts = {
	["digidisplay:small 2"] = {"digidisplay:tiny"},
	["digidisplay:medium 2"] = {"digidisplay:small"},
	["digidisplay:large 2"] = {"digidisplay:medium"},
	["digidisplay:huge 2"] = {"digidisplay:large"},
	["digidisplay:large"] = {"digidisplay:huge","digidisplay:huge"},
	["digidisplay:medium"] = {"digidisplay:large","digidisplay:large"},
	["digidisplay:small"] = {"digidisplay:medium","digidisplay:medium"},
	["digidisplay:tiny"] = {"digidisplay:small","digidisplay:small"},
}

for k,v in pairs(shapelessCrafts) do
	minetest.register_craft({
		type = "shapeless",
		output = k,
		recipe = v,
	})
end