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Make dropped items colorable
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4493d47a51
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@ -155,6 +155,24 @@ function core.yaw_to_dir(yaw)
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return {x = -math.sin(yaw), y = 0, z = math.cos(yaw)}
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end
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function core.is_colored_paramtype(ptype)
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return (ptype == "color") or (ptype == "colorfacedir") or
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(ptype == "colorwallmounted")
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end
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function core.strip_param2_color(param2, paramtype2)
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if not core.is_colored_paramtype(paramtype2) then
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return nil
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end
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if paramtype2 == "colorfacedir" then
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param2 = math.floor(param2 / 32) * 32
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elseif paramtype2 == "colorwallmounted" then
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param2 = math.floor(param2 / 8) * 8
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end
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-- paramtype2 == "color" requires no modification.
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return param2
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end
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function core.get_node_drops(node, toolname)
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-- Compatibility, if node is string
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local nodename = node
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@ -166,24 +184,17 @@ function core.get_node_drops(node, toolname)
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end
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local def = core.registered_nodes[nodename]
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local drop = def and def.drop
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local ptype = def and def.paramtype2
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-- get color, if there is color (otherwise nil)
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local palette_index = core.strip_param2_color(param2, ptype)
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if drop == nil then
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-- default drop
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local stack = ItemStack(nodename)
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if def then
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local type = def.paramtype2
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if (type == "color") or (type == "colorfacedir") or
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(type == "colorwallmounted") then
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local meta = stack:get_meta()
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local color_part = param2
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if (type == "colorfacedir") then
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color_part = math.floor(color_part / 32) * 32;
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elseif (type == "colorwallmounted") then
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color_part = math.floor(color_part / 8) * 8;
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end
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meta:set_int("palette_index", color_part)
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end
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if palette_index then
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local stack = ItemStack(nodename)
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stack:get_meta():set_int("palette_index", palette_index)
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return {stack:to_string()}
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end
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return {stack:to_string()}
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return {nodename}
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elseif type(drop) == "string" then
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-- itemstring drop
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return {drop}
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@ -218,6 +229,12 @@ function core.get_node_drops(node, toolname)
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if good_rarity and good_tool then
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got_count = got_count + 1
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for _, add_item in ipairs(item.items) do
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-- add color, if necessary
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if item.inherit_color and palette_index then
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local stack = ItemStack(add_item)
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stack:get_meta():set_int("palette_index", palette_index)
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add_item = stack:to_string()
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end
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got_items[#got_items+1] = add_item
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end
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if drop.max_items ~= nil and got_count == drop.max_items then
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@ -536,6 +536,21 @@ automatically transferred between node and item forms by the engine,
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when a player digs or places a colored node.
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You can disable this feature by setting the `drop` field of the node
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to itself (without metadata).
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To transfer the color to a special drop, you need a drop table.
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Example:
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minetest.register_node("mod:stone", {
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description = "Stone",
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tiles = {"default_stone.png"},
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paramtype2 = "color",
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palette = "palette.png",
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drop = {
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items = {
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-- assume that mod:cobblestone also has the same palette
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{items = {"mod:cobblestone"}, inherit_color = true },
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}
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}
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})
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### Colored items in craft recipes
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Craft recipes only support item strings, but fortunately item strings
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@ -2688,6 +2703,13 @@ and `minetest.auth_reload` call the authetification handler.
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* Convert a vector into a yaw (angle)
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* `minetest.yaw_to_dir(yaw)`
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* Convert yaw (angle) to a vector
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* `minetest.is_colored_paramtype(ptype)`
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* Returns a boolean. Returns `true` if the given `paramtype2` contains color
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information (`color`, `colorwallmounted` or `colorfacedir`).
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* `minetest.strip_param2_color(param2, paramtype2)`
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* Removes everything but the color information from the
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given `param2` value.
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* Returns `nil` if the given `paramtype2` does not contain color information
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* `minetest.get_node_drops(nodename, toolname)`
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* Returns list of item names.
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* **Note**: This will be removed or modified in a future version.
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@ -4275,6 +4297,7 @@ Definition tables
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{
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items = {"foo:bar", "baz:frob"}, -- Items to drop.
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rarity = 1, -- Probability of dropping is 1 / rarity.
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inherit_color = true, -- To inherit palette color from the node
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},
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},
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},
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