local builtin_shared = {}
dofile(gamepath .. "constants.lua")
+dofile(gamepath .. "item_s.lua")
assert(loadfile(gamepath .. "item.lua"))(builtin_shared)
dofile(gamepath .. "register.lua")
dofile(commonpath .. "after.lua")
dofile(gamepath .. "item_entity.lua")
dofile(gamepath .. "deprecated.lua")
+dofile(gamepath .. "misc_s.lua")
dofile(gamepath .. "misc.lua")
dofile(gamepath .. "privileges.lua")
dofile(gamepath .. "auth.lua")
-- Item definition helpers
--
-function core.inventorycube(img1, img2, img3)
- img2 = img2 or img1
- img3 = img3 or img1
- return "[inventorycube"
- .. "{" .. img1:gsub("%^", "&")
- .. "{" .. img2:gsub("%^", "&")
- .. "{" .. img3:gsub("%^", "&")
-end
-
function core.get_pointed_thing_position(pointed_thing, above)
if pointed_thing.type == "node" then
if above then
end
end
-function core.dir_to_facedir(dir, is6d)
- --account for y if requested
- if is6d and math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then
-
- --from above
- if dir.y < 0 then
- if math.abs(dir.x) > math.abs(dir.z) then
- if dir.x < 0 then
- return 19
- else
- return 13
- end
- else
- if dir.z < 0 then
- return 10
- else
- return 4
- end
- end
-
- --from below
- else
- if math.abs(dir.x) > math.abs(dir.z) then
- if dir.x < 0 then
- return 15
- else
- return 17
- end
- else
- if dir.z < 0 then
- return 6
- else
- return 8
- end
- end
- end
-
- --otherwise, place horizontally
- elseif math.abs(dir.x) > math.abs(dir.z) then
- if dir.x < 0 then
- return 3
- else
- return 1
- end
- else
- if dir.z < 0 then
- return 2
- else
- return 0
- end
- end
-end
-
--- Table of possible dirs
-local facedir_to_dir = {
- vector.new( 0, 0, 1),
- vector.new( 1, 0, 0),
- vector.new( 0, 0, -1),
- vector.new(-1, 0, 0),
- vector.new( 0, -1, 0),
- vector.new( 0, 1, 0),
-}
--- Mapping from facedir value to index in facedir_to_dir.
-local facedir_to_dir_map = {
- [0]=1, 2, 3, 4,
- 5, 2, 6, 4,
- 6, 2, 5, 4,
- 1, 5, 3, 6,
- 1, 6, 3, 5,
- 1, 4, 3, 2,
-}
-function core.facedir_to_dir(facedir)
- return facedir_to_dir[facedir_to_dir_map[facedir % 32]]
-end
-
-function core.dir_to_wallmounted(dir)
- if math.abs(dir.y) > math.max(math.abs(dir.x), math.abs(dir.z)) then
- if dir.y < 0 then
- return 1
- else
- return 0
- end
- elseif math.abs(dir.x) > math.abs(dir.z) then
- if dir.x < 0 then
- return 3
- else
- return 2
- end
- else
- if dir.z < 0 then
- return 5
- else
- return 4
- end
- end
-end
-
--- table of dirs in wallmounted order
-local wallmounted_to_dir = {
- [0] = vector.new( 0, 1, 0),
- vector.new( 0, -1, 0),
- vector.new( 1, 0, 0),
- vector.new(-1, 0, 0),
- vector.new( 0, 0, 1),
- vector.new( 0, 0, -1),
-}
-function core.wallmounted_to_dir(wallmounted)
- return wallmounted_to_dir[wallmounted % 8]
-end
-
-function core.dir_to_yaw(dir)
- return -math.atan2(dir.x, dir.z)
-end
-
-function core.yaw_to_dir(yaw)
- return vector.new(-math.sin(yaw), 0, math.cos(yaw))
-end
-
-function core.is_colored_paramtype(ptype)
- return (ptype == "color") or (ptype == "colorfacedir") or
- (ptype == "colorwallmounted") or (ptype == "colordegrotate")
-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
- elseif paramtype2 == "colordegrotate" then
- param2 = math.floor(param2 / 32) * 32
- end
- -- paramtype2 == "color" requires no modification.
- return param2
-end
-
local function has_all_groups(tbl, required_groups)
if type(required_groups) == "string" then
return (tbl[required_groups] or 0) ~= 0
--- /dev/null
+-- Minetest: builtin/item_s.lua
+-- The distinction of what goes here is a bit tricky, basically it's everything
+-- that does not (directly or indirectly) need access to ServerEnvironment,
+-- Server or writable access to IGameDef on the engine side.
+-- (The '_s' stands for standalone.)
+
+--
+-- Item definition helpers
+--
+
+function core.inventorycube(img1, img2, img3)
+ img2 = img2 or img1
+ img3 = img3 or img1
+ return "[inventorycube"
+ .. "{" .. img1:gsub("%^", "&")
+ .. "{" .. img2:gsub("%^", "&")
+ .. "{" .. img3:gsub("%^", "&")
+end
+
+function core.dir_to_facedir(dir, is6d)
+ --account for y if requested
+ if is6d and math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then
+
+ --from above
+ if dir.y < 0 then
+ if math.abs(dir.x) > math.abs(dir.z) then
+ if dir.x < 0 then
+ return 19
+ else
+ return 13
+ end
+ else
+ if dir.z < 0 then
+ return 10
+ else
+ return 4
+ end
+ end
+
+ --from below
+ else
+ if math.abs(dir.x) > math.abs(dir.z) then
+ if dir.x < 0 then
+ return 15
+ else
+ return 17
+ end
+ else
+ if dir.z < 0 then
+ return 6
+ else
+ return 8
+ end
+ end
+ end
+
+ --otherwise, place horizontally
+ elseif math.abs(dir.x) > math.abs(dir.z) then
+ if dir.x < 0 then
+ return 3
+ else
+ return 1
+ end
+ else
+ if dir.z < 0 then
+ return 2
+ else
+ return 0
+ end
+ end
+end
+
+-- Table of possible dirs
+local facedir_to_dir = {
+ vector.new( 0, 0, 1),
+ vector.new( 1, 0, 0),
+ vector.new( 0, 0, -1),
+ vector.new(-1, 0, 0),
+ vector.new( 0, -1, 0),
+ vector.new( 0, 1, 0),
+}
+-- Mapping from facedir value to index in facedir_to_dir.
+local facedir_to_dir_map = {
+ [0]=1, 2, 3, 4,
+ 5, 2, 6, 4,
+ 6, 2, 5, 4,
+ 1, 5, 3, 6,
+ 1, 6, 3, 5,
+ 1, 4, 3, 2,
+}
+function core.facedir_to_dir(facedir)
+ return facedir_to_dir[facedir_to_dir_map[facedir % 32]]
+end
+
+function core.dir_to_wallmounted(dir)
+ if math.abs(dir.y) > math.max(math.abs(dir.x), math.abs(dir.z)) then
+ if dir.y < 0 then
+ return 1
+ else
+ return 0
+ end
+ elseif math.abs(dir.x) > math.abs(dir.z) then
+ if dir.x < 0 then
+ return 3
+ else
+ return 2
+ end
+ else
+ if dir.z < 0 then
+ return 5
+ else
+ return 4
+ end
+ end
+end
+
+-- table of dirs in wallmounted order
+local wallmounted_to_dir = {
+ [0] = vector.new( 0, 1, 0),
+ vector.new( 0, -1, 0),
+ vector.new( 1, 0, 0),
+ vector.new(-1, 0, 0),
+ vector.new( 0, 0, 1),
+ vector.new( 0, 0, -1),
+}
+function core.wallmounted_to_dir(wallmounted)
+ return wallmounted_to_dir[wallmounted % 8]
+end
+
+function core.dir_to_yaw(dir)
+ return -math.atan2(dir.x, dir.z)
+end
+
+function core.yaw_to_dir(yaw)
+ return vector.new(-math.sin(yaw), 0, math.cos(yaw))
+end
+
+function core.is_colored_paramtype(ptype)
+ return (ptype == "color") or (ptype == "colorfacedir") or
+ (ptype == "colorwallmounted") or (ptype == "colordegrotate")
+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
+ elseif paramtype2 == "colordegrotate" then
+ param2 = math.floor(param2 / 32) * 32
+ end
+ -- paramtype2 == "color" requires no modification.
+ return param2
+end
end
-function core.hash_node_position(pos)
- return (pos.z + 32768) * 65536 * 65536
- + (pos.y + 32768) * 65536
- + pos.x + 32768
-end
-
-
-function core.get_position_from_hash(hash)
- local x = (hash % 65536) - 32768
- hash = math.floor(hash / 65536)
- local y = (hash % 65536) - 32768
- hash = math.floor(hash / 65536)
- local z = (hash % 65536) - 32768
- return vector.new(x, y, z)
-end
-
-
-function core.get_item_group(name, group)
- if not core.registered_items[name] or not
- core.registered_items[name].groups[group] then
- return 0
- end
- return core.registered_items[name].groups[group]
-end
-
-
-function core.get_node_group(name, group)
- core.log("deprecated", "Deprecated usage of get_node_group, use get_item_group instead")
- return core.get_item_group(name, group)
-end
-
-
-function core.setting_get_pos(name)
- local value = core.settings:get(name)
- if not value then
- return nil
- end
- return core.string_to_pos(value)
-end
-
-
--- See l_env.cpp for the other functions
-function core.get_artificial_light(param1)
- return math.floor(param1 / 16)
-end
-
-
-- To be overriden by protection mods
function core.is_protected(pos, name)
-- Used for callback handling with dynamic_add_media
core.dynamic_media_callbacks = {}
-
-
--- PNG encoder safety wrapper
-
-local o_encode_png = core.encode_png
-function core.encode_png(width, height, data, compression)
- if type(width) ~= "number" then
- error("Incorrect type for 'width', expected number, got " .. type(width))
- end
- if type(height) ~= "number" then
- error("Incorrect type for 'height', expected number, got " .. type(height))
- end
-
- local expected_byte_count = width * height * 4
-
- if type(data) ~= "table" and type(data) ~= "string" then
- error("Incorrect type for 'data', expected table or string, got " .. type(data))
- end
-
- local data_length = type(data) == "table" and #data * 4 or string.len(data)
-
- if data_length ~= expected_byte_count then
- error(string.format(
- "Incorrect length of 'data', width and height imply %d bytes but %d were provided",
- expected_byte_count,
- data_length
- ))
- end
-
- if type(data) == "table" then
- local dataBuf = {}
- for i = 1, #data do
- dataBuf[i] = core.colorspec_to_bytes(data[i])
- end
- data = table.concat(dataBuf)
- end
-
- return o_encode_png(width, height, data, compression or 6)
-end
--- /dev/null
+-- Minetest: builtin/misc_s.lua
+-- The distinction of what goes here is a bit tricky, basically it's everything
+-- that does not (directly or indirectly) need access to ServerEnvironment,
+-- Server or writable access to IGameDef on the engine side.
+-- (The '_s' stands for standalone.)
+
+--
+-- Misc. API functions
+--
+
+function core.hash_node_position(pos)
+ return (pos.z + 32768) * 65536 * 65536
+ + (pos.y + 32768) * 65536
+ + pos.x + 32768
+end
+
+
+function core.get_position_from_hash(hash)
+ local x = (hash % 65536) - 32768
+ hash = math.floor(hash / 65536)
+ local y = (hash % 65536) - 32768
+ hash = math.floor(hash / 65536)
+ local z = (hash % 65536) - 32768
+ return vector.new(x, y, z)
+end
+
+
+function core.get_item_group(name, group)
+ if not core.registered_items[name] or not
+ core.registered_items[name].groups[group] then
+ return 0
+ end
+ return core.registered_items[name].groups[group]
+end
+
+
+function core.get_node_group(name, group)
+ core.log("deprecated", "Deprecated usage of get_node_group, use get_item_group instead")
+ return core.get_item_group(name, group)
+end
+
+
+function core.setting_get_pos(name)
+ local value = core.settings:get(name)
+ if not value then
+ return nil
+ end
+ return core.string_to_pos(value)
+end
+
+
+-- See l_env.cpp for the other functions
+function core.get_artificial_light(param1)
+ return math.floor(param1 / 16)
+end
+
+-- PNG encoder safety wrapper
+
+local o_encode_png = core.encode_png
+function core.encode_png(width, height, data, compression)
+ if type(width) ~= "number" then
+ error("Incorrect type for 'width', expected number, got " .. type(width))
+ end
+ if type(height) ~= "number" then
+ error("Incorrect type for 'height', expected number, got " .. type(height))
+ end
+
+ local expected_byte_count = width * height * 4
+
+ if type(data) ~= "table" and type(data) ~= "string" then
+ error("Incorrect type for 'data', expected table or string, got " .. type(data))
+ end
+
+ local data_length = type(data) == "table" and #data * 4 or string.len(data)
+
+ if data_length ~= expected_byte_count then
+ error(string.format(
+ "Incorrect length of 'data', width and height imply %d bytes but %d were provided",
+ expected_byte_count,
+ data_length
+ ))
+ end
+
+ if type(data) == "table" then
+ local dataBuf = {}
+ for i = 1, #data do
+ dataBuf[i] = core.colorspec_to_bytes(data[i])
+ end
+ data = table.concat(dataBuf)
+ end
+
+ return o_encode_png(width, height, data, compression or 6)
+end
projects / minetest.git / commitdiff