1 files changed, 88 insertions, 0 deletions
diff --git a/ropes/bridge.lua b/ropes/bridge.lua
new file mode 100644
index 0000000..31db7e6
--- /dev/null
+++ b/ropes/bridge.lua
@@ -0,0 +1,88 @@
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+local S, NS = dofile(modpath.."/intllib.lua")
+
+if ropes.bridges_enabled then
+
+local bridge_on_place = function(itemstack, placer, pointed_thing)
+    -- Shall place item and return the leftover itemstack.
+    -- The placer may be any ObjectRef or nil.
+    -- default: minetest.item_place
+	if placer == nil then
+		return minetest.item_place(itemstack, placer, pointed_thing)
+	end
+	
+	local above = pointed_thing.above
+	local under = pointed_thing.under
+	
+	if above.x == under.x and above.z == under.z and above.y > under.y then
+		-- we're aimed downward at a buildable node from above.
+		-- determine the direction the placer lies relative to this node.
+		local new_under = vector.new(under)
+		local placer_pos = placer:get_pos()
+		local diff_x = placer_pos.x - under.x
+		local diff_z = placer_pos.z - under.z
+		if math.abs(diff_x) > math.abs(diff_z) then
+			-- placer is displaced along the X axis relative to the target
+			if diff_x > 0 then
+				new_under.x = under.x - 1
+			else
+				new_under.x = under.x + 1
+			end				
+		else
+			-- placer is displaced along the Z axis relative to the target
+			if diff_z > 0 then
+				new_under.z = under.z - 1
+			else
+				new_under.z = under.z + 1
+			end	
+		end
+		if minetest.registered_nodes[minetest.get_node(new_under).name].buildable_to then
+			local new_pointed_thing = {type="node", under=new_under, above={x=new_under.x, y=new_under.y+1, z=new_under.z}}
+			return minetest.item_place(itemstack, placer, new_pointed_thing)
+		end
+	end
+	
+	return minetest.item_place(itemstack, placer, pointed_thing)
+end
+
+minetest.register_node("ropes:wood_bridge", {
+	description = S("Wooden Bridge"),
+	_doc_items_longdesc = ropes.doc.wooden_bridge_longdesc,
+	_doc_items_usagehelp = ropes.doc.wooden_bridge_usagehelp,
+	tiles = {
+		"default_wood.png", "default_wood.png",
+		"default_wood.png^[transformR270", "default_wood.png^[transformR90",
+		"default_wood.png^[transformR270", "default_wood.png^[transformR90",
+	},
+	drawtype = "nodebox",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	groups = {choppy = 2, flammable = 2, oddly_breakable_by_hand = 1, flow_through = 1, fence = 1, wall = 1},
+	sounds = default.node_sound_wood_defaults(),
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.5, 0.375, -0.5, 0.5, 0.5, 0.5}, -- Platform
+			{-0.375, -0.5, -0.5, 0.375, -0.375, -0.4375}, -- x beam4
+			{-0.375, -0.5, 0.4375, 0.375, -0.375, 0.5}, -- x beam3
+			{0.375, -0.5, -0.4375, 0.5, -0.375, 0.4375}, -- z beam2
+			{-0.5, -0.5, -0.4375, -0.375, -0.375, 0.4375}, -- z beam1
+			{0.375, -0.5, -0.5, 0.5, 0.375, -0.4375}, -- upright4
+			{0.375, -0.5, 0.4375, 0.5, 0.375, 0.5}, -- upright3
+			{-0.5, -0.5, -0.5, -0.375, 0.375, -0.4375}, -- upright2
+			{-0.5, -0.5, 0.4375, -0.375, 0.375, 0.5}, -- upright1
+		}
+	},
+	on_place = bridge_on_place,
+})
+
+minetest.register_craft({
+	output = "ropes:wood_bridge 5",
+	recipe = {
+		{"group:stick", "stairs:slab_wood", "group:stick"},
+		{"group:stick", "", "group:stick"},
+		{"group:stick", "group:stick", "group:stick"},
+	}
+})
+
+end