Reorganize some builtin functions in preparation for async env

1 files changed, 0 insertions, 147 deletions

diff --git a/builtin/game/item.lua b/builtin/game/item.lua
index 5a83eafd2..439a71679 100644
--- a/builtin/game/item.lua
+++ b/builtin/game/item.lua
@@ -15,15 +15,6 @@ end
 -- 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
@@ -37,144 +28,6 @@ function core.get_pointed_thing_position(pointed_thing, above)
 	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