Updated item_drop (now as modpack component)

3 files changed, 308 insertions, 0 deletions

diff --git a/item_drop/README.txt b/item_drop/README.txt
new file mode 100644
index 0000000..fe43054
--- /dev/null
+++ b/item_drop/README.txt
@@ -0,0 +1,42 @@
+===ITEM_DROP MOD for MINETEST-C55===
+by PilzAdam
+
+Introduction:
+This mod adds Minecraft like drop/pick up of items to Minetest.
+
+How to install:
+Unzip the archive an place it in minetest-base-directory/mods/minetest/
+if you have a windows client or a linux run-in-place client. If you have
+a linux system-wide instalation place it in ~/.minetest/mods/minetest/.
+If you want to install this mod only in one world create the folder
+worldmods/ in your worlddirectory.
+For further information or help see:
+http://wiki.minetest.com/wiki/Installing_Mods
+
+How to use the mod:
+Just install it an everything works.
+
+For developers:
+You dont have to use get_drops() anymore because of changes in the
+builtin files of minetest.
+
+License:
+Sourcecode: WTFPL (see below)
+Sound: WTFPL (see below)
+
+See also:
+http://minetest.net/
+
+         DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO. 
diff --git a/item_drop/init.lua b/item_drop/init.lua
new file mode 100644
index 0000000..8cd3b14
--- /dev/null
+++ b/item_drop/init.lua
@@ -0,0 +1,140 @@
+dofile(minetest.get_modpath("item_drop").."/item_entity.lua")
+time_pick = 3
+minetest.register_globalstep(function(dtime)
+	for _,player in ipairs(minetest.get_connected_players()) do
+		local pos = player:getpos()
+		pos.y = pos.y+0.5
+		local inv = player:get_inventory()
+		for _,object in ipairs(minetest.env:get_objects_inside_radius(pos, 1)) do
+			if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
+				if inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
+					if object:get_luaentity().timer > time_pick then
+						inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
+						if object:get_luaentity().itemstring ~= "" then
+							minetest.sound_play("item_drop_pickup", {
+								to_player = player:get_player_name(),
+							})
+						end
+						object:get_luaentity().itemstring = ""
+						object:remove()
+					end
+				end
+			end
+		end
+		
+		for _,object in ipairs(minetest.env:get_objects_inside_radius(pos, 3)) do
+			if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
+				--print(dump(object:getpos().y-player:getpos().y))
+				if object:getpos().y-player:getpos().y > 0 then
+					if object:get_luaentity().collect then
+						if inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
+							if object:get_luaentity().timer > time_pick then
+								local pos1 = pos
+								pos1.y = pos1.y+0.2
+								local pos2 = object:getpos()
+								local vec = {x=pos1.x-pos2.x, y=pos1.y-pos2.y, z=pos1.z-pos2.z}
+								vec.x = vec.x*3
+								vec.y = vec.y*3
+								vec.z = vec.z*3
+								object:setvelocity(vec)
+								
+								minetest.after(1, function(args)
+									local lua = object:get_luaentity()
+									if object == nil or lua == nil or lua.itemstring == nil then
+										return
+									end
+									if inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
+										inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
+										if object:get_luaentity().itemstring ~= "" then
+											minetest.sound_play("item_drop_pickup", {
+												to_player = player:get_player_name(),
+											})
+										end
+										object:get_luaentity().itemstring = ""
+										object:remove()
+									else
+										object:setvelocity({x=0,y=0,z=0})
+									end
+								end, {player, object})
+							end
+							
+						end
+					else
+						minetest.after(0.5, function(entity)
+							entity.collect = true
+						end, object:get_luaentity())
+					end
+				end
+			end
+		end
+	end
+end)
+
+function minetest.handle_node_drops(pos, drops, digger)
+	for _,item in ipairs(drops) do
+		local count, name
+		if type(item) == "string" then
+			count = 1
+			name = item
+		else
+			count = item:get_count()
+			name = item:get_name()
+		end
+		for i=1,count do
+			local obj = minetest.env:add_item(pos, name)
+			if obj ~= nil then
+				obj:get_luaentity().collect = true
+				local x = math.random(1, 5)
+				if math.random(1,2) == 1 then
+					x = -x
+				end
+				local z = math.random(1, 5)
+				if math.random(1,2) == 1 then
+					z = -z
+				end
+				obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
+				obj:get_luaentity().timer = time_pick
+				-- FIXME this doesnt work for deactiveted objects
+				if minetest.setting_get("remove_items") and tonumber(minetest.setting_get("remove_items")) then
+					minetest.after(tonumber(minetest.setting_get("remove_items")), function(obj)
+						obj:remove()
+					end, obj)
+				end
+			end
+		end
+	end
+end
+--[[
+minetest.register_on_dieplayer(function(name, pos)
+	local inv = name:get_inventory()
+	local pos = name:getpos()
+	for i = 1, inv:get_size("main"), 1 do
+		srcstack = inv:get_stack("main", i)
+		if srcstack:to_string() ~= "" then
+			pos.y = pos.y + 3
+			local obj = minetest.env:add_item(pos, srcstack:to_string())
+			local x = math.random(-5, 5)
+			if x >= -2 and x <=0 then
+				local x = x - 3
+			end
+			if x > 0 and x <= 2 then
+				local x = x + 3
+			end
+			local y = math.random(3, 5)
+			local z = math.random(-5, 5)
+			if z >= -2 and z <= 0 then
+				local z = z - 3
+			end
+			if z > 0 and z <= 2 then
+				local z = z + 3
+			end
+			inv:set_stack("main", i, "")
+			obj:setvelocity({x=x, y=y, z=z})
+		end
+		if i == 32 then
+			break
+		end
+	end
+end)
+]]--
+print("DROPS LOADED!")
\ No newline at end of file
diff --git a/item_drop/item_entity.lua b/item_drop/item_entity.lua
new file mode 100644
index 0000000..6e479a1
--- /dev/null
+++ b/item_drop/item_entity.lua
@@ -0,0 +1,126 @@
+-- Minetest: builtin/item_entity.lua
+
+function minetest.spawn_item(pos, item)
+	-- Take item in any format
+	local stack = ItemStack(item)
+	local obj = minetest.env:add_entity(pos, "__builtin:item")
+	obj:get_luaentity():set_item(stack:to_string())
+	return obj
+end
+
+minetest.register_entity(":__builtin:item", {
+	initial_properties = {
+		hp_max = 1,
+		physical = true,
+		collisionbox = {-0.17,-0.17,-0.17, 0.17,0.17,0.17},
+		visual = "sprite",
+		visual_size = {x=0.5, y=0.5},
+		textures = {""},
+		spritediv = {x=1, y=1},
+		initial_sprite_basepos = {x=0, y=0},
+		is_visible = false,
+	},
+	
+	itemstring = '',
+	physical_state = true,
+	timer = 0,
+	
+	set_item = function(self, itemstring)
+		self.itemstring = itemstring
+		local stack = ItemStack(itemstring)
+		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,
+			visual = "sprite",
+			textures = {"unknown_item.png"}
+		}
+		if item_texture and item_texture ~= "" then
+			prop.visual = "sprite"
+			prop.textures = {item_texture}
+			prop.visual_size = {x=0.50, y=0.50}
+		else
+			prop.visual = "wielditem"
+			prop.textures = {itemname}
+			prop.visual_size = {x=0.20, y=0.20}
+			prop.automatic_rotate = math.pi * 0.25
+		end
+		self.object:set_properties(prop)
+	end,
+
+	get_staticdata = function(self)
+		--return self.itemstring
+		return minetest.serialize({
+			itemstring = self.itemstring,
+			always_collect = self.always_collect,
+		})
+	end,
+
+	on_activate = function(self, staticdata)
+		if string.sub(staticdata, 1, string.len("return")) == "return" then
+			local data = minetest.deserialize(staticdata)
+			if data and type(data) == "table" then
+				self.itemstring = data.itemstring
+				self.always_collect = data.always_collect
+			end
+		else
+			self.itemstring = staticdata
+		end
+		self.object:set_armor_groups({immortal=1})
+		self.object:setvelocity({x=0, y=2, z=0})
+		self.object:setacceleration({x=0, y=-10, z=0})
+		self:set_item(self.itemstring)
+	end,
+
+	on_step = function(self, dtime)
+		self.timer = self.timer + dtime
+		if (self.timer > 300) then
+			self.object:remove()
+		end
+		local p = self.object:getpos()
+		p.y = p.y - 0.3
+		local nn = minetest.env:get_node(p).name
+		-- If node is not registered or node is walkably solid and resting on nodebox
+		local v = self.object:getvelocity()
+		if not minetest.registered_nodes[nn] or minetest.registered_nodes[nn].walkable and v.y == 0 then
+			if self.physical_state then
+				self.object:setvelocity({x=0,y=0,z=0})
+				self.object:setacceleration({x=0, y=0, z=0})
+				self.physical_state = false
+				self.object:set_properties({
+					physical = false
+				})
+			end
+		else
+			if not self.physical_state then
+				self.object:setvelocity({x=0,y=0,z=0})
+				self.object:setacceleration({x=0, y=-10, z=0})
+				self.physical_state = true
+				self.object:set_properties({
+					physical = true
+				})
+			end
+		end
+	end,
+
+	on_punch = function(self, hitter)
+		if self.itemstring ~= '' then
+			local left = hitter:get_inventory():add_item("main", self.itemstring)
+			if not left:is_empty() then
+				self.itemstring = left:to_string()
+				return
+			end
+		end
+		self.object:remove()
+	end,
+})
+print("ITEM ENTITY LOADED")