diff options
| -rw-r--r-- | builtin/game/item.lua | 47 | ||||
| -rw-r--r-- | doc/lua_api.txt | 23 |
2 files changed, 55 insertions, 15 deletions
diff --git a/builtin/game/item.lua b/builtin/game/item.lua index 59ec5ff65..b416a34b0 100644 --- a/builtin/game/item.lua +++ b/builtin/game/item.lua @@ -155,6 +155,24 @@ function core.yaw_to_dir(yaw) return {x = -math.sin(yaw), y = 0, z = math.cos(yaw)} end +function core.is_colored_paramtype(ptype) + return (ptype == "color") or (ptype == "colorfacedir") or + (ptype == "colorwallmounted") +end + +function core.strip_param2_color(param2, paramtype2) + if not core.is_colored_paramtype(paramtype2) then + return nil + end + if paramtype2 == "colorfacedir" then + param2 = math.floor(param2 / 32) * 32 + elseif paramtype2 == "colorwallmounted" then + param2 = math.floor(param2 / 8) * 8 + end + -- paramtype2 == "color" requires no modification. + return param2 +end + function core.get_node_drops(node, toolname) -- Compatibility, if node is string local nodename = node @@ -166,24 +184,17 @@ function core.get_node_drops(node, toolname) end local def = core.registered_nodes[nodename] local drop = def and def.drop + local ptype = def and def.paramtype2 + -- get color, if there is color (otherwise nil) + local palette_index = core.strip_param2_color(param2, ptype) if drop == nil then -- default drop - local stack = ItemStack(nodename) - if def then - local type = def.paramtype2 - if (type == "color") or (type == "colorfacedir") or - (type == "colorwallmounted") then - local meta = stack:get_meta() - local color_part = param2 - if (type == "colorfacedir") then - color_part = math.floor(color_part / 32) * 32; - elseif (type == "colorwallmounted") then - color_part = math.floor(color_part / 8) * 8; - end - meta:set_int("palette_index", color_part) - end + if palette_index then + local stack = ItemStack(nodename) + stack:get_meta():set_int("palette_index", palette_index) + return {stack:to_string()} end - return {stack:to_string()} + return {nodename} elseif type(drop) == "string" then -- itemstring drop return {drop} @@ -218,6 +229,12 @@ function core.get_node_drops(node, toolname) if good_rarity and good_tool then got_count = got_count + 1 for _, add_item in ipairs(item.items) do + -- add color, if necessary + if item.inherit_color and palette_index then + local stack = ItemStack(add_item) + stack:get_meta():set_int("palette_index", palette_index) + add_item = stack:to_string() + end got_items[#got_items+1] = add_item end if drop.max_items ~= nil and got_count == drop.max_items then diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 66f8ccb25..dcc2de180 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -536,6 +536,21 @@ automatically transferred between node and item forms by the engine, when a player digs or places a colored node. You can disable this feature by setting the `drop` field of the node to itself (without metadata). +To transfer the color to a special drop, you need a drop table. +Example: + + minetest.register_node("mod:stone", { + description = "Stone", + tiles = {"default_stone.png"}, + paramtype2 = "color", + palette = "palette.png", + drop = { + items = { + -- assume that mod:cobblestone also has the same palette + {items = {"mod:cobblestone"}, inherit_color = true }, + } + } + }) ### Colored items in craft recipes Craft recipes only support item strings, but fortunately item strings @@ -2688,6 +2703,13 @@ and `minetest.auth_reload` call the authetification handler. * Convert a vector into a yaw (angle) * `minetest.yaw_to_dir(yaw)` * Convert yaw (angle) to a vector +* `minetest.is_colored_paramtype(ptype)` + * Returns a boolean. Returns `true` if the given `paramtype2` contains color + information (`color`, `colorwallmounted` or `colorfacedir`). +* `minetest.strip_param2_color(param2, paramtype2)` + * Removes everything but the color information from the + given `param2` value. + * Returns `nil` if the given `paramtype2` does not contain color information * `minetest.get_node_drops(nodename, toolname)` * Returns list of item names. * **Note**: This will be removed or modified in a future version. @@ -4275,6 +4297,7 @@ Definition tables { items = {"foo:bar", "baz:frob"}, -- Items to drop. rarity = 1, -- Probability of dropping is 1 / rarity. + inherit_color = true, -- To inherit palette color from the node }, }, }, |