Added scaffoldings

mods/core/falling.lua

@@ -4,7 +4,7 @@ function minetest.register_node(name, nodedef)
 		nodedef.cause_drop = function(pos, node)
 			local b_pos = {x=pos.x,y=pos.y-1,z=pos.z}
 			local b_node = minetest.env:get_node(b_pos)
-			if minetest.registered_nodes[b_node.name].walkable == false or
+			if minetest.registered_nodes[b_node.name].falling_node_walkable == false or
 				minetest.registered_nodes[b_node.name].buildable_to then
 				return true
 			end
@@ -14,15 +14,105 @@ function minetest.register_node(name, nodedef)
 		nodedef.cause_fall = function(pos, node)
 			local b_pos = {x=pos.x,y=pos.y-1,z=pos.z}
 			local b_node = minetest.env:get_node(b_pos)
-			if minetest.registered_nodes[b_node.name].walkable == false or
+			if minetest.registered_nodes[b_node.name].falling_node_walkable == false or
 				minetest.registered_nodes[b_node.name].buildable_to then
 				return true
 			end
 		end
 	end
+	if nodedef.falling_node_walkable == nil then
+		nodedef.falling_node_walkable = true
+	end
 	minetest.register_item(name, nodedef)
 end
 
+minetest.register_entity(":__builtin:falling_node", {
+	initial_properties = {
+		physical = true,
+		collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
+		visual = "wielditem",
+		textures = {},
+		visual_size = {x=0.667, y=0.667},
+	},
+
+	nodename = "",
+
+	set_node = function(self, nodename)
+		self.nodename = nodename
+		local stack = ItemStack(nodename)
+		local itemtable = stack:to_table()
+		local itemname = nil
+		if itemtable then
+			itemname = stack:to_table().name
+		end
+		local item_texture = nil
+		local item_type = ""
+		if minetest.registered_items[itemname] then
+			item_texture = minetest.registered_items[itemname].inventory_image
+			item_type = minetest.registered_items[itemname].type
+		end
+		prop = {
+			is_visible = true,
+			textures = {nodename},
+		}
+		self.object:set_properties(prop)
+	end,
+
+	get_staticdata = function(self)
+		return self.nodename
+	end,
+
+	on_activate = function(self, staticdata)
+		self.nodename = staticdata
+		self.object:set_armor_groups({immortal=1})
+		--self.object:setacceleration({x=0, y=-10, z=0})
+		self:set_node(self.nodename)
+	end,
+
+	on_step = function(self, dtime)
+		-- Set gravity
+		self.object:setacceleration({x=0, y=-10, z=0})
+		-- Turn to actual sand when collides to ground or just move
+		local pos = self.object:getpos()
+		local bcp = {x=pos.x, y=pos.y-0.7, z=pos.z} -- Position of bottom center point
+		local bcn = minetest.env:get_node(bcp)
+		-- Note: walkable is in the node definition, not in item groups
+		if minetest.registered_nodes[bcn.name] and
+				minetest.registered_nodes[bcn.name].falling_node_walkable then
+			if minetest.registered_nodes[bcn.name].buildable_to then
+				minetest.env:remove_node(bcp)
+				return
+			end
+			local np = {x=bcp.x, y=bcp.y+1, z=bcp.z}
+			-- Check what's here
+			local n2 = minetest.env:get_node(np)
+			-- If it's not air or liquid, remove node and replace it with
+			-- it's drops
+			if n2.name ~= "air" and (not minetest.registered_nodes[n2.name] or
+					minetest.registered_nodes[n2.name].liquidtype == "none") then
+				local drops = minetest.get_node_drops(n2.name, "")
+				minetest.env:remove_node(np)
+				-- Add dropped items
+				local _, dropped_item
+				for _, dropped_item in ipairs(drops) do
+					minetest.env:add_item(np, dropped_item)
+				end
+				-- Run script hook
+				local _, callback
+				for _, callback in ipairs(minetest.registered_on_dignodes) do
+					callback(np, n2, nil)
+				end
+			end
+			-- Create node and remove entity
+			minetest.env:add_node(np, {name=self.nodename})
+			self.object:remove()
+			nodeupdate(np)
+		else
+			-- Do nothing
+		end
+	end
+})
+
 function nodeupdate_single(p)
 	n = minetest.env:get_node(p)
 	if minetest.get_node_group(n.name, "falling_node") ~= 0 then

mods/core/helper_functions.lua

@@ -15,6 +15,18 @@ function table:get_index(value)
 	end
 end
 
+function copy_table(t)
+    local u = { }
+    for k, v in pairs(t) do
+        u[k] = v
+    end
+    return setmetatable(u, getmetatable(t))
+end
+
+function mod_pos(p, dx, dy, dz)
+    return { x = p.x + dx, y = p.y + dy, z = p.z + dz }
+end
+
 function hacky_swap_node(pos,name)
 	local node = minetest.env:get_node(pos)
 	local meta = minetest.env:get_meta(pos)

mods/fences/init.lua

@@ -78,7 +78,7 @@ for j, tree_name in ipairs(realtest.registered_trees_list) do
 		drawtype = "nodebox",
 		tile_images = {tree.textures.planks},
 		paramtype = "light",
-		groups = {snappy=2,coppy=2,oddly_breakable_by_hand=2,drop_on_dig=1,fence=1,material=j},
+		groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,drop_on_dig=1,fence=1,material=j},
 		sunlight_propagates = true,
 		node_box = {
 			type = "fixed",

mods/scaffolding/depends.txt

@@ -0,0 +1,3 @@
+default
+trees
+

mods/scaffolding/init.lua

@@ -0,0 +1,88 @@
+-- Event handlers
+local function scaffolding_update(pos)
+    local node_name = minetest.env:get_node(pos).name
+    if minetest.get_node_group(node_name, "scaffolding") ~= 1 then
+        return
+    end
+    local material = realtest.registered_trees_list[minetest.get_node_group(node_name, "material")]:remove_modname_prefix()
+    if minetest.get_node_group(minetest.env:get_node(mod_pos(pos, 0, 1, 0)).name, "scaffolding") == 1 then
+        minetest.env:add_node(pos, {name = "scaffolding:scaffolding_sub_"..material})
+    else
+        minetest.env:add_node(pos, {name = "scaffolding:scaffolding_top_"..material})
+    end
+end
+
+local function scaffolding_construct(pos)
+    scaffolding_update(pos)
+    scaffolding_update(mod_pos(pos, 0, -1, 0))
+end
+
+local function scaffolding_destruct(pos)
+    return
+    scaffolding_update(mod_pos(pos, 0, -1, 0))
+end
+
+-- Register scaffolding nodes and crafts
+for i, tree_name in ipairs(realtest.registered_trees_list) do
+    local tree = realtest.registered_trees[tree_name]
+
+    local texture_plank = "trees_"..tree.name:remove_modname_prefix().."_planks.png"
+    local texture_top = texture_plank.."^scaffolding_wooden_top.png"
+    local texture_side = "scaffolding_wooden_side.png"
+    local texture_bottom = texture_top.."^scaffolding_wooden_bottom.png"
+
+    local scaffolding = {
+        description = tree.description.." Scaffolding",
+        drawtype = "nodebox",
+        node_box = {
+            type = "fixed",
+            fixed = {
+                -- side crosses
+                {-0.5, -0.5, -0.5, -0.45, 0.5, 0.5},
+                {-0.5, -0.5, -0.5, 0.5, 0.5, -0.45},
+                {0.45, -0.5, -0.5, 0.5, 0.5, 0.5},
+                {-0.5, -0.5, 0.45, 0.5, 0.5, 0.5},
+                -- top plank
+                {-0.5, 0.4, -0.5, 0.5, 0.5, 0.5},
+            },
+        },
+        tiles = {texture_top, texture_bottom, texture_side, texture_side, texture_side, texture_side},
+        drop = "scaffolding:scaffolding_"..tree.name:remove_modname_prefix(),
+        paramtype = "light",
+        sunlight_propagates = false,
+        groups = {dig_immediate=3, material=i, dropping_node = 1, scaffolding=1},
+        sounds = default.node_sound_wood_defaults(),
+        on_construct = scaffolding_construct,
+        climbable = true,
+	walkable = false,
+	cause_drop = function(pos, node)
+		local b_pos = {x=pos.x,y=pos.y-1,z=pos.z}
+		local b_node = minetest.env:get_node(b_pos)
+		if minetest.get_node_group(b_node.name, "scaffolding") ~= 1 and minetest.registered_nodes[b_node.name].walkable == false then
+			return true
+		end
+	end
+    }
+
+    local scaffolding_top = copy_table(scaffolding)
+    scaffolding_top.on_construct = nil
+    scaffolding_top.after_destruct = scaffolding_destruct
+
+    local scaffolding_sub = copy_table(scaffolding_top)
+    scaffolding_sub.tiles = {texture_side, texture_side, texture_side, texture_side, texture_side, texture_side}
+    scaffolding_sub.sunlight_propagates = true
+
+    minetest.register_node("scaffolding:scaffolding_"..tree.name:remove_modname_prefix(), scaffolding)
+    minetest.register_node("scaffolding:scaffolding_top_"..tree.name:remove_modname_prefix(), scaffolding_top)
+    minetest.register_node("scaffolding:scaffolding_sub_"..tree.name:remove_modname_prefix(), scaffolding_sub)
+
+    minetest.register_craft({
+        output = "scaffolding:scaffolding_"..tree.name:remove_modname_prefix().." 3",
+        recipe = {
+            {tree.name.."_plank",tree.name.."_plank",tree.name.."_plank"},
+            {"","group:stick",""},
+            {"group:stick","","group:stick"}
+        }
+    })
+end
+

mods/trees/registration.lua

@@ -183,6 +183,7 @@ function realtest.register_tree(name, TreeDef)
 		},
 		sounds = default.node_sound_leaves_defaults(),
 		walkable = false,
+		falling_node_walkable = false,
 		climbable = true,
 	})
 	
@@ -212,6 +213,7 @@ function realtest.register_tree(name, TreeDef)
 			},
 			sounds = default.node_sound_leaves_defaults(),
 			walkable = false,
+			falling_node_walkable = false,
 			climbable = true,
 		})
 	end
@@ -238,6 +240,7 @@ function realtest.register_tree(name, TreeDef)
 			},
 			sounds = default.node_sound_leaves_defaults(),
 			walkable = false,
+			falling_node_walkable = false,
 			climbable = true,
 		})
 	end