VoxeLibre/mods/HELP/tt/init.lua

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tt = {}
tt.COLOR_DEFAULT = "#d0ffd0"
tt.COLOR_DANGER = "#ffff00"
tt.COLOR_GOOD = "#00ff00"
-- API
tt.registered_snippets = {}
tt.register_snippet = function(func)
table.insert(tt.registered_snippets, func)
end
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dofile(minetest.get_modpath(minetest.get_current_modname()).."/snippets.lua")
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-- Apply item description updates
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local function equals(t1, t2)
for k, v in pairs(t1) do
local equal
local v2 = rawget(t2, k)
if type(v) == "table" then
equal = equals(v, v2)
else
equal = (v == v2)
end
if not equal then
return false
end
end
return true
end
local function apply_snippets(desc, itemstring, toolcaps, itemstack)
local first = true
-- Apply snippets
for s=1, #tt.registered_snippets do
local str, snippet_color = tt.registered_snippets[s](itemstring, toolcaps, itemstack)
if snippet_color == nil then
snippet_color = tt.COLOR_DEFAULT
elseif snippet_color == false then
snippet_color = false
end
if str then
if first then
first = false
end
desc = desc .. "\n"
if snippet_color then
desc = desc .. minetest.colorize(snippet_color, str)
else
desc = desc .. str
end
end
end
return desc
end
local function should_change(itemstring, def)
return itemstring ~= "" and itemstring ~= "air" and itemstring ~= "ignore" and itemstring ~= "unknown" and def ~= nil and def.description ~= nil and def.description ~= "" and def._tt_ignore ~= true
end
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local function append_snippets()
for itemstring, def in pairs(minetest.registered_items) do
if should_change(itemstring, def) then
local orig_desc = def.description
local desc = apply_snippets(orig_desc, itemstring, def.tool_capabilities, nil)
if desc ~= orig_desc then
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minetest.override_item(itemstring, { description = desc, _tt_original_description = orig_desc })
end
end
end
end
minetest.register_on_mods_loaded(append_snippets)
tt.reload_itemstack_description = function(itemstack)
local itemstring = itemstack:get_name()
local def = itemstack:get_definition()
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local meta = itemstack:get_meta()
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if def and def._mcl_generate_description then
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def._mcl_generate_description(itemstack)
elseif should_change(itemstring, def) and meta:get_string("name") == "" then
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local toolcaps = itemstack:get_tool_capabilities()
local hand_toolcaps = ItemStack(""):get_tool_capabilities()
if equals(toolcaps, hand_toolcaps) then
toolcaps = nil
end
local orig_desc = def._tt_original_description or def.description
local desc = apply_snippets(orig_desc, itemstring, toolcaps or def.tool_capabilities, itemstack)
if desc ~= orig_desc then
meta:set_string("description", desc)
end
end
end