Split up source code into multiple files

1 files changed, 84 insertions, 0 deletions

diff --git a/lua/helpers.lua b/lua/helpers.lua
new file mode 100644
index 0000000..11263f4
--- /dev/null
+++ b/lua/helpers.lua
@@ -0,0 +1,84 @@
+--[[
+Minetest Mod Storage Drawers - A Mod adding storage drawers
+
+Copyright (C) 2017 LNJ <git@lnj.li>
+Copyright (C) 2016 Mango Tango <mtango688@gmail.com>
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+]]
+
+function drawers.gen_info_text(basename, count, factor, stack_max)
+	-- in the end it should look like:
+	-- Sand [4x99+43 / 24x99]
+	local countstr = tostring(math.floor(count / stack_max)) .. "x" ..
+		stack_max
+	if count % stack_max ~= 0 then
+		countstr = countstr .. " + " .. count % stack_max
+	end
+	return basename .. " [" .. countstr .. " / " .. factor .. "x" .. stack_max .. "]"
+end
+
+function drawers.get_inv_image(name)
+	local texture = "drawers_empty.png"
+	local def = core.registered_items[name]
+	if name ~= "air" and def then
+		if def.inventory_image and #def.inventory_image > 0 then
+			texture = def.inventory_image
+		else
+			if not def.tiles then return texture end
+
+			local c = #def.tiles or 0
+			local x = {}
+			for i, v in ipairs(def.tiles) do
+				if type(v) == "table" then
+					x[i] = v.name
+				else
+					x[i] = v
+				end
+				i = i + 1
+			end
+			if not x[3] then x[3] = x[1] end
+			if not x[4] then x[4] = x[3] end
+			texture = core.inventorycube(x[1], x[3], x[4])
+		end
+	end
+	return texture
+end
+
+function drawers.spawn_visual(pos)
+	local node = core.get_node(pos)
+
+	-- data for the new visual
+	drawers.last_drawer_pos = pos
+	drawers.last_texture = drawers.get_inv_image(core.get_meta(pos):get_string("name"))
+
+	local bdir = core.facedir_to_dir(node.param2)
+	local fdir = vector.new(-bdir.x, 0, -bdir.z)
+	local pos2 = vector.add(pos, vector.multiply(fdir, 0.438))
+
+	obj = core.add_entity(pos2, "drawers:visual")
+
+	if bdir.x < 0 then obj:setyaw(0.5 * math.pi) end
+	if bdir.z < 0 then obj:setyaw(math.pi) end
+	if bdir.x > 0 then obj:setyaw(1.5 * math.pi) end
+
+	drawers.last_texture = nil
+end