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rgblightstone = {}
function rgblightstone.autofill(pos,player)
local name = player:get_player_name()
if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, { protection_bypass = true }) then
minetest.record_protection_violation(pos, name)
return
end
local meta = minetest.get_meta(pos)
if (not meta:get_string("channel")) or meta:get_string("channel")=="" then
local pos_above = {x=pos.x,y=pos.y+1,z=pos.z}
local node_above = minetest.get_node(pos_above)
local meta_above = minetest.get_meta(pos_above)
if string.match(node_above.name,"rgblightstone") and
meta_above:get_string("channel") and
tonumber(meta_above:get_string("addrx")) and
tonumber(meta_above:get_string("addry")) then
local channel = meta_above:get_string("channel")
local addrx = meta_above:get_string("addrx")
local addry = tostring(1+tonumber(meta_above:get_string("addry")))
meta:set_string("channel",channel)
meta:set_string("addrx",addrx)
meta:set_string("addry",addry)
local message = minetest.colorize("#55FF55","Success: ")..
"Auto-filled with channel "..
minetest.colorize("#00FFFF",channel)..
", X address "..
minetest.colorize("#00FFFF",addrx)..
", and Y address "..
minetest.colorize("#00FFFF",addry)..
"."
minetest.chat_send_player(player:get_player_name(),message)
meta:set_string("infotext","")
else
local message = minetest.colorize("#FF0000","ERROR: ").."Node above is not RGB Lightstone or is not configured correctly!"
minetest.chat_send_player(player:get_player_name(),message)
end
end
end
function rgblightstone.handle_digilines(pos,node,channel,msg,truecolor)
local meta = minetest.get_meta(pos)
local setchan = meta:get_string("channel")
if channel ~= setchan then
return
end
local addrx = tonumber(meta:get_string("addrx"))
local addry = tonumber(meta:get_string("addry"))
if type(msg) == "table" then
if not (addrx and addry and type(msg[addry]) == "table" and msg[addry][addrx]) then
return
end
msg = msg[addry][addrx]
end
--Validation starts here
if type(msg) ~= "string" then
return
end
msg = string.upper(msg)
--Drop a leading # if present (e.g. "#FF55AA")
if string.sub(msg,1,1) == "#" then
msg = string.sub(msg,2)
end
--Check length
if string.len(msg) ~= 6 then
return
end
--Make sure there aren't any invalid chars
if not tonumber(msg,16) then return end
--Should be a valid hex color by this point
meta:set_string("color",msg)
--Split into three colors
local r = tonumber(string.sub(msg,1,2),16)
local g = tonumber(string.sub(msg,3,4),16)
local b = tonumber(string.sub(msg,5,6),16)
--Convert RGB to HSV... or at least V, for the light
local v = math.max(r,g,b)
v = math.floor(v/255*14)
v = math.max(0,math.min(14,v))
if truecolor then
node.name = "rgblightstone:rgblightstone_truecolor_"..v
minetest.swap_node(pos,node)
rgblightstone.update_entity(pos)
else
--Round to nearest available values and convert to a pixel count in the palette
r = math.floor(r/32)
g = math.floor(g/32)
b = math.floor(b/64) --Blue has one fewer bit
local paletteidx = 32*g+4*r+b
--Set the color
node.name = "rgblightstone:rgblightstone_"..v
node.param2 = paletteidx
minetest.swap_node(pos,node)
end
end
function rgblightstone.handle_fields(pos,_,fields,sender)
local name = sender:get_player_name()
if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, { protection_bypass = true }) then
minetest.record_protection_violation(pos, name)
return
end
local meta = minetest.get_meta(pos)
if fields.autofill then
rgblightstone.autofill(pos,sender)
else
if fields.channel then
meta:set_string("channel", fields.channel)
meta:set_string("infotext","")
end
if fields.addrx then meta:set_string("addrx",fields.addrx) end
if fields.addry then meta:set_string("addry",fields.addry) end
end
end
function rgblightstone.update_entity(pos)
local objs = minetest.get_objects_inside_radius(pos,0.5)
for _,obj in ipairs(objs) do
if obj:get_luaentity() and obj:get_luaentity().name == "rgblightstone:entity" then
obj:remove()
end
end
local obj = minetest.add_entity(pos,"rgblightstone:entity")
local tex = "rgblightstone_white.png^[colorize:#"..minetest.get_meta(pos):get_string("color")..":255"
obj:set_properties({textures = {tex,tex,tex,tex,tex,tex}})
end
minetest.register_entity("rgblightstone:entity",{
initial_properties = {
physical = false,
collisionbox = {0,0,0,0,0,0},
visual_size = {x=1,y=1},
visual = "cube",
static_save = false,
},
})
for i=0,14,1 do
minetest.register_node("rgblightstone:rgblightstone_"..i, {
tiles = {"rgblightstone_white.png"},
palette = "rgblightstone_palette.png",
groups = i == 0 and {cracky = 2,} or {cracky = 2,not_in_creative_inventory = 1,},
description = i == 0 and "256-Color RGB Lightstone" or "256-Color RGB Lightstone (lit state - you hacker you!)",
paramtype2 = "color",
light_source = i,
drop = "rgblightstone:rgblightstone_0",
_digistuff_channelcopier_fieldname = "channel",
_digistuff_channelcopier_onset = function(pos)
minetest.get_meta(pos):set_string("infotext","")
end,
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local fs = "size[8,5]"..
"field[1,1;6,2;channel;Channel;${channel}]"..
"field[1,2;2,2;addrx;X Address;${addrx}]"..
"field[5,2;2,2;addry;Y Address;${addry}]"..
"button_exit[2.25,3;3,1;submit;Save]"..
"button_exit[2.25,4;3,1;autofill;Auto-Fill From Node Above]"..
"label[3,2;Leave address blank\nfor individual mode]"
meta:set_string("formspec",fs)
meta:set_string("infotext","Not configured! Right-click to set up manually, or punch to auto-fill from the node above.")
meta:set_string("color","000000")
end,
on_punch = function(pos,_,player)
rgblightstone.autofill(pos,player)
end,
on_receive_fields = rgblightstone.handle_fields,
digiline = {
wire = {
rules = {
{x = 1,y = 0,z = 0},
{x = -1,y = 0,z = 0},
{x = 0,y = 0,z = 1},
{x = 0,y = 0,z = -1},
{x = 0,y = 1,z = 0},
{x = 0,y = -1,z = 0},
},
},
receptor = {},
effector = {
action = function(pos,node,channel,msg)
rgblightstone.handle_digilines(pos,node,channel,msg,false)
end
}
}
})
minetest.register_node("rgblightstone:rgblightstone_truecolor_"..i, {
tiles = {"rgblightstone_white.png^[colorize:#000000:255"},
groups = i == 0 and {cracky = 2,} or {cracky = 2,not_in_creative_inventory = 1,},
description = i == 0 and "True-Color RGB Lightstone" or "True-Color RGB Lightstone (lit state - you hacker you!)",
light_source = i,
drop = "rgblightstone:rgblightstone_truecolor_0",
_digistuff_channelcopier_fieldname = "channel",
_digistuff_channelcopier_onset = function(pos)
minetest.get_meta(pos):set_string("infotext","")
end,
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local fs = "size[8,5]"..
"field[1,1;6,2;channel;Channel;${channel}]"..
"field[1,2;2,2;addrx;X Address;${addrx}]"..
"field[5,2;2,2;addry;Y Address;${addry}]"..
"button_exit[2.25,3;3,1;submit;Save]"..
"button_exit[2.25,4;3,1;autofill;Auto-Fill From Node Above]"..
"label[3,2;Leave address blank\nfor individual mode]"
meta:set_string("formspec",fs)
meta:set_string("infotext","Not configured! Right-click to set up manually, or punch to auto-fill from the node above.")
meta:set_string("color","000000")
rgblightstone.update_entity(pos)
end,
on_punch = function(pos,_,player)
rgblightstone.autofill(pos,player)
end,
after_destruct = function(pos)
local objs = minetest.get_objects_inside_radius(pos,0.5)
for _,obj in ipairs(objs) do
if obj:get_luaentity() and obj:get_luaentity().name == "rgblightstone:entity" then
obj:remove()
end
end
end,
paramtype = "light",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {{-0.45,-0.45,-0.45,0.45,0.45,0.45}}
},
collision_box = {
type = "fixed",
fixed = {{-0.5,-0.5,-0.5,0.5,0.5,0.5}}
},
selection_box = {
type = "fixed",
fixed = {{-0.5,-0.5,-0.5,0.5,0.5,0.5}}
},
on_receive_fields = rgblightstone.handle_fields,
digiline = {
wire = {
rules = {
{x = 1,y = 0,z = 0},
{x = -1,y = 0,z = 0},
{x = 0,y = 0,z = 1},
{x = 0,y = 0,z = -1},
{x = 0,y = 1,z = 0},
{x = 0,y = -1,z = 0},
},
},
receptor = {},
effector = {
action = function(pos,node,channel,msg)
rgblightstone.handle_digilines(pos,node,channel,msg,true)
end
}
}
})
end
local tclist = {}
for i=0,14,1 do table.insert(tclist,"rgblightstone:rgblightstone_truecolor_"..i) end
minetest.register_lbm({
name = "rgblightstone:restore_entities",
label = "Restore true-color rgblightstone entities",
nodenames = tclist,
run_at_every_load = true,
action = rgblightstone.update_entity,
})
minetest.register_alias("rgblightstone:rgblightstone","rgblightstone:rgblightstone_0")
minetest.register_alias("rgblightstone:rgblightstone_truecolor","rgblightstone:rgblightstone_truecolor_0")
minetest.register_craft({
output = "rgblightstone:rgblightstone_0",
recipe = {
{"","mesecons_lightstone:lightstone_green_off",""},
{"mesecons_lightstone:lightstone_red_off","mesecons_luacontroller:luacontroller0000","mesecons_lightstone:lightstone_blue_off"},
{"","digilines:wire_std_00000000",""}
}
})
minetest.register_craft({
output = "rgblightstone:rgblightstone_truecolor_0",
recipe = {
{"","rgblightstone:rgblightstone_0",""},
{"rgblightstone:rgblightstone_0","mesecons_luacontroller:luacontroller0000","rgblightstone:rgblightstone_0"},
{"","digilines:wire_std_00000000",""}
}
})
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