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local function removeEntity(pos)
local entitiesNearby = minetest.get_objects_inside_radius(pos,0.5)
for _,i in pairs(entitiesNearby) do
if 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:setpos(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},
},
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
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