Sonic Screwdriver: Support every paramtype2 (#662)

technic/tools/sonic_screwdriver.lua

@@ -8,14 +8,6 @@ technic.register_power_tool("technic:sonic_screwdriver", sonic_screwdriver_max_c
 local ROTATE_FACE = 1
 local ROTATE_AXIS = 2
 
-local function nextrange(x, max)
-	x = x + 1
-	if x > max then
-		x = 0
-	end
-	return x
-end
-
 -- Handles rotation
 local function screwdriver_handler(itemstack, user, pointed_thing, mode)
 	if pointed_thing.type ~= "node" then
@@ -31,16 +23,80 @@ local function screwdriver_handler(itemstack, user, pointed_thing, mode)
 
 	local node = minetest.get_node(pos)
 	local ndef = minetest.registered_nodes[node.name]
-	if not ndef or not ndef.paramtype2 == "facedir" or
+
-			(ndef.drawtype == "nodebox" and
+	if not ndef then return end
-			not ndef.node_box.type == "fixed") or
+
-			node.param2 == nil then
+	local paramtype2 = ndef.paramtype2
-		return
-	end
 
 	-- contrary to the default screwdriver, do not check for can_dig, to allow rotating machines with CLU's in them
 	-- this is consistent with the previous sonic screwdriver
 
+	-- Set param2
+	local new_param2
+	local param2 = node.param2
+
+	local dirs_per_axis = 4
+
+	local dir_components = {
+		-- 2^5, 5 bits
+		facedir = 32,
+		colorfacedir = 32,
+		colordegrotate = 32,
+
+		-- 2^2, 2 bits
+		["4dir"] = 4, -- lua doesn't like it when vars start with a digit
+		color4dir = 4,
+	}
+
+	local dir_component = dir_components[paramtype2]
+
+	local floor = math.floor
+	-- non-direction data is preserved whether it be color or otherwise
+	if (paramtype2 == "facedir") or (paramtype2 == "colorfacedir") then
+		local aux = floor(param2 / dir_component)
+		local dir = param2 % dir_component
+
+		if mode == ROTATE_FACE then
+			dir = (floor(param2 / dirs_per_axis)) * dirs_per_axis + ((dir + 1) % dirs_per_axis)
+		elseif mode == ROTATE_AXIS then
+			dir = ((floor(param2 / dirs_per_axis) + 1) * dirs_per_axis) % 24
+		end
+
+		new_param2 = aux * dir_component + dir
+	elseif (paramtype2 == "4dir") or (paramtype2 == "color4dir") then
+		local aux = floor(param2 / dir_component)
+		local dir = param2 % dir_component
+
+		if mode == ROTATE_FACE then
+			dir = (dir + 1) % dirs_per_axis
+		elseif mode == ROTATE_AXIS then
+			dir = 0
+		end
+
+		new_param2 = aux * dir_component + dir
+	elseif (paramtype2 == "degrotate") then
+		if mode == ROTATE_FACE then
+			new_param2 = param2 + 1
+		elseif mode == ROTATE_AXIS then
+			new_param2 = param2 + 20
+		end
+		new_param2 = new_param2 % 240
+	elseif (paramtype2 == "colordegrotate") then
+		local aux = floor(param2 / dir_component)
+		local rotation = param2 % dir_component
+
+		if mode == ROTATE_FACE then
+			rotation = rotation + 1
+		elseif mode == ROTATE_AXIS then
+			rotation = rotation + 4
+		end
+		rotation = rotation % 24
+
+		new_param2 = aux * dir_component + rotation
+	else
+		return
+	end
+
 	local meta = technic.get_stack_meta(itemstack)
 	local charge = meta:get_int("technic:charge")
 	if charge < 100 then
@@ -49,19 +105,7 @@ local function screwdriver_handler(itemstack, user, pointed_thing, mode)
 
 	minetest.sound_play("technic_sonic_screwdriver", {pos = pos, gain = 0.3, max_hear_distance = 10})
 
-	-- Set param2
+	node.param2 = new_param2
-	local rotationPart = node.param2 % 32 -- get first 4 bits
-	local preservePart = node.param2 - rotationPart
-
-	local axisdir = math.floor(rotationPart / 4)
-	local rotation = rotationPart - axisdir * 4
-	if mode == ROTATE_FACE then
-		rotationPart = axisdir * 4 + nextrange(rotation, 3)
-	elseif mode == ROTATE_AXIS then
-		rotationPart = nextrange(axisdir, 5) * 4
-	end
-
-	node.param2 = preservePart + rotationPart
 	minetest.swap_node(pos, node)
 
 	if not technic.creative_mode then