Add "Doc" modpack support. Also fix up some bugs with crate marker entities, and make them show protected nodes.

1 files changed, 172 insertions, 0 deletions

diff --git a/node_crate.lua b/node_crate.lua
new file mode 100644
index 0000000..e98bdb6
--- /dev/null
+++ b/node_crate.lua
@@ -0,0 +1,172 @@
+minetest.register_craft({
+	output = "digtron:empty_crate",
+	recipe = {
+			{"","default:chest",""},
+			{"","digtron:digtron_core",""},
+			{"","default:mese_crystal",""}
+			}
+})
+
+minetest.register_node("digtron:empty_crate", {
+	description = "Digtron Crate (Empty)",
+	_doc_items_longdesc = digtron.doc.empty_crate_longdesc,
+    _doc_items_usagehelp = digtron.doc.empty_crate_usagehelp,
+	groups = {cracky = 3, oddly_breakable_by_hand=3},
+	drop = "digtron:empty_crate",
+	sounds = default.node_sound_wood_defaults(),
+	tiles = {"digtron_crate.png"},
+	is_ground_content = false,
+	drawtype = "nodebox",
+	paramtype = "light",
+	
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+		local layout = DigtronLayout.create(pos, clicker)
+		if layout.contains_protected_node then
+			local meta = minetest.get_meta(pos)
+			minetest.sound_play("buzzer", {gain=0.5, pos=pos})
+			meta:set_string("infotext", "Digtron can't be packaged, it contains protected nodes")
+			-- no stealing other peoples' digtrons
+			return
+		end
+
+		local layout_string = layout:serialize()
+		
+		-- destroy everything. Note that this includes the empty crate, which will be bundled up with the layout.
+		for _, node_image in pairs(layout.all) do
+			minetest.remove_node(node_image.pos)
+		end
+		
+		-- Create the loaded crate node
+		minetest.set_node(pos, {name="digtron:loaded_crate", param1=node.param1, param2=node.param2})
+		minetest.sound_play("machine1", {gain=1.0, pos=pos})
+		
+		local meta = minetest.get_meta(pos)
+		meta:set_string("crated_layout", layout_string)
+		meta:set_string("title", "Crated Digtron")
+		meta:set_string("infotext", "Crated Digtron")
+	end,
+})
+
+local loaded_formspec =  "size[4,1.5]" ..
+	default.gui_bg ..
+	default.gui_bg_img ..
+	default.gui_slots ..
+	"field[0.3,0.5;4,0.5;title;Digtron Name;${title}]" ..
+	"button_exit[0.5,1.2;1,0.1;save;Save\nTitle]" ..
+	"tooltip[save;Saves the title of this Digtron]" ..
+	"button_exit[1.5,1.2;1,0.1;show;Show\nNodes]" ..
+	"tooltip[save;Shows what nodes the packed Digtron will occupy if unpacked]" ..
+	"button_exit[2.5,1.2;1,0.1;unpack;Unpack]" ..
+	"tooltip[unpack;Attempts to unpack the Digtron on this location]"
+
+minetest.register_node("digtron:loaded_crate", {
+	description = "Digtron Crate (Loaded)",
+	_doc_items_longdesc = digtron.doc.loaded_crate_longdesc,
+    _doc_items_usagehelp = digtron.doc.loaded_crate_usagehelp,
+	groups = {cracky = 3, oddly_breakable_by_hand=3, not_in_creative_inventory=1, digtron=1},
+	stack_max = 1,
+	sounds = default.node_sound_wood_defaults(),
+	tiles = {"digtron_plate.png^digtron_crate.png"},
+	is_ground_content = false,
+	
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", loaded_formspec)
+	end,
+	
+	on_receive_fields = function(pos, formname, fields, sender)
+		local meta = minetest.get_meta(pos)
+		
+		if fields.unpack or fields.save or fields.show then
+			meta:set_string("title", fields.title)
+			meta:set_string("infotext", fields.title)
+		end
+		
+		if not (fields.unpack or fields.show) then
+			return
+		end
+		
+		local layout_string = meta:get_string("crated_layout")
+		local layout = DigtronLayout.deserialize(layout_string)
+
+		if layout == nil then
+			meta:set_string("infotext", meta:get_string("title") .. "\nUnable to read layout from crate metadata, regrettably this Digtron may be corrupted or lost.")
+			minetest.sound_play("buzzer", {gain=0.5, pos=pos})			
+			-- Something went horribly wrong
+			return
+		end
+		
+		local protected_node = false
+		local obstructed_node = false
+		
+		local pos_diff = vector.subtract(pos, layout.controller)
+		layout.controller = pos
+		for _, node_image in pairs(layout.all) do
+			node_image.pos = vector.add(pos_diff, node_image.pos)
+			if not vector.equals(pos, node_image.pos) then
+				if minetest.is_protected(node_image.pos, sender:get_player_name()) and not minetest.check_player_privs(sender, "protection_bypass") then
+					protected_node = true
+					minetest.add_entity(node_image.pos, "digtron:marker_crate_bad")
+				elseif not minetest.registered_nodes[minetest.get_node(node_image.pos).name].buildable_to then
+					obstructed_node = true
+					minetest.add_entity(node_image.pos, "digtron:marker_crate_bad")
+				else
+					minetest.add_entity(node_image.pos, "digtron:marker_crate_good")
+				end
+			end
+		end
+		
+		if not fields.unpack then
+			return
+		end
+		
+		if protected_node then
+			meta:set_string("infotext", meta:get_string("title") .. "\nUnable to deploy Digtron due to protected nodes in target area")
+			minetest.sound_play("buzzer", {gain=0.5, pos=pos})
+			return
+		end
+		
+		if obstructed_node then
+			meta:set_string("infotext", meta:get_string("title") .. "\nUnable to deploy Digtron due to obstruction in target area")
+			minetest.sound_play("buzzer", {gain=0.5, pos=pos})
+			return
+		end
+		
+		-- build digtron. Since the empty crate was included in the layout, that will overwrite this loaded crate and destroy it.
+		minetest.sound_play("machine2", {gain=1.0, pos=pos})
+		layout:write_layout_image(sender)
+	end,
+		
+	on_dig = function(pos, node, player)
+	
+		local meta = minetest.get_meta(pos)
+		local to_serialize = {title=meta:get_string("title"), layout=meta:get_string("crated_layout")}
+		
+		local stack = ItemStack({name="digtron:loaded_crate", count=1, wear=0, metadata=minetest.serialize(to_serialize)})
+		local inv = player:get_inventory()
+		local stack = inv:add_item("main", stack)
+		if stack:get_count() > 0 then
+			minetest.add_item(pos, stack)
+		end		
+		-- call on_dignodes callback
+		minetest.remove_node(pos)
+	end,
+	
+	on_place = function(itemstack, placer, pointed_thing)
+		local pos = minetest.get_pointed_thing_position(pointed_thing, true)
+		local deserialized = minetest.deserialize(itemstack:get_metadata())
+		if pos and deserialized then
+			minetest.set_node(pos, {name="digtron:loaded_crate"})
+			local meta = minetest.get_meta(pos)
+			
+			meta:set_string("crated_layout", deserialized.layout)
+			meta:set_string("title", deserialized.title)
+			meta:set_string("infotext", deserialized.title)
+			meta:set_string("formspec", loaded_formspec)
+			
+			itemstack:take_item(1)
+			return itemstack
+		end
+		-- after-place callbacks
+	end,
+})
\ No newline at end of file