moreblocks/stairsplus/api/alias.lua

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Lua
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local api = stairsplus.api
local table_is_empty = stairsplus.util.table_is_empty
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function api.register_alias_shape(old_node, new_node, shape)
local old_shaped_node = api.format_name(old_node, shape)
local new_shaped_node = api.format_name(new_node, shape)
minetest.register_alias(old_shaped_node, new_shaped_node)
local shape_def = api.registered_shapes[shape]
if shape_def.aliases then
local old_mod, old_name = old_node:match("^([^:]+):(.*)$")
for _, alias in ipairs(shape_def.aliases) do
old_shaped_node = ("%s:%s"):format(old_mod, alias:format(old_name))
minetest.register_alias(old_shaped_node, new_shaped_node)
end
end
end
function api.register_alias_all(old_node, new_node)
for shape in pairs(api.registered_shapes) do
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api.register_alias_shape(old_node, new_node, shape)
end
end
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function api.register_alias_shapes(old_node, new_node, shapes)
for _, shape in ipairs(shapes) do
api.register_alias_shape(old_node, new_node, shape)
end
end
function api.register_alias_group(old_node, new_node, group)
for _, shape in ipairs(api.shapes_by_group[group] or {}) do
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api.register_alias_shape(old_node, new_node, shape)
end
end
function api.register_alias_groups(old_node, new_node, groups)
for _, group in ipairs(groups) do
api.register_alias_group(old_node, new_node, group)
end
end
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function api.register_alias_force_shape(old_node, new_node, shape)
local old_shaped_node = api.format_name(old_node, shape)
local new_shaped_node = api.format_name(new_node, shape)
minetest.register_alias_force(old_shaped_node, new_shaped_node)
local shape_def = api.registered_shapes[shape]
if shape_def.aliases then
local old_mod, old_name = old_node:match("^([^:]+):(.*)$")
for _, alias in ipairs(shape_def.aliases) do
old_shaped_node = ("%s:%s"):format(old_mod, alias:format(old_name))
minetest.register_alias_force(old_shaped_node, new_shaped_node)
end
end
local nodes = api.nodes_by_shape[shape] or {}
if nodes[old_node] then
nodes[old_node] = nil
nodes[new_node] = true
api.nodes_by_shape[shape] = nodes
end
local old_shapes = api.shapes_by_node[old_node] or {}
if old_shapes[shape] then
old_shapes[shape] = nil
if table_is_empty(old_shapes) then
api.shapes_by_node[old_node] = nil
else
api.shapes_by_node[old_node] = old_shapes
end
local new_shapes = api.shapes_by_node[new_node] or {}
new_shapes[new_node] = true
api.shapes_by_node[new_node] = new_shapes
end
end
function api.register_alias_force_all(old_node, new_node)
for shape in pairs(api.registered_shapes) do
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api.register_alias_force_shape(old_node, new_node, shape)
end
end
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function api.register_alias_force_shapes(old_node, new_node, shapes)
for _, shape in ipairs(shapes) do
api.register_alias_force_shape(old_node, new_node, shape)
end
end
function api.register_alias_force_group(old_node, new_node, group)
for _, shape in ipairs(api.shapes_by_group[group] or {}) do
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api.register_alias_force_shape(old_node, new_node, shape)
end
end
function api.register_alias_force_groups(old_node, new_node, groups)
for _, group in ipairs(groups) do
api.register_alias_force_group(old_node, new_node, group)
end
end