add shooting sword - only obtainable by drops

init.lua

@@ -1,15 +1,15 @@
 --
---Init
+-- Init
 --
 
 dofile(minetest.get_modpath("obsidianmese").."/api.lua")
 dofile(minetest.get_modpath("obsidianmese").."/obsidianmese_chest.lua")
 
 --
---Tools
+-- Tools
 --
 
--- sword
+-- sword - mese
 minetest.register_tool("obsidianmese:sword", {
 	description = "Obsidian Mese Sword",
 	inventory_image = "obsidianmese_sword.png",
@@ -26,6 +26,205 @@ minetest.register_tool("obsidianmese:sword", {
 	}
 })
 
+-- sword - engraved
+-- check if within physical map limits (-30911 to 30927)
+local fired_table = {}
+
+local within_limits = function(pos, radius)
+
+	if  (pos.x - radius) > -30913
+	and (pos.x + radius) <  30928
+	and (pos.y - radius) > -30913
+	and (pos.y + radius) <  30928
+	and (pos.z - radius) > -30913
+	and (pos.z + radius) <  30928 then
+		return true -- within limits
+	end
+
+	return false -- beyond limits
+end
+
+local sync_table = function(owner)
+
+	if fired_table[owner] ~= nil then
+
+		fired_table[owner] = fired_table[owner] - 1
+
+		-- print(minetest.serialize(fired_table))
+
+	end
+end
+
+minetest.register_entity("obsidianmese:sword_bullet", {
+	physical = false,
+	visual = "sprite",
+	visual_size = { x = 1, y = 1 },
+	textures = { "obsidianmese_shard.png" },
+	collisionbox = {0.25, 0.25, 0.25, -0.25, -0.25, -0.25},
+	timer = 0,
+	speed = 8,
+	owner = "",
+
+	on_activate = function(self, staticdata, dtime_s)
+		self.object:set_armor_groups({ immortal = 1 })
+	end,
+
+	on_punch = function (self, puncher, time_from_last_punch, tool_capabilities, dir)
+
+		if time_from_last_punch < 0.5 then return end
+	
+		local name = puncher:get_player_name()
+		local pos = self.object:getpos()
+		local v = math.random(1, 8)
+		local velocity = dir 
+		
+		velocity.x = velocity.x * v
+		velocity.y = velocity.y * v
+		velocity.z = velocity.z * v
+		self.object:setvelocity(velocity)
+	end,
+
+	on_step = function(self, dtime)
+		local pos = self.object:getpos()
+		local node = minetest.get_node_or_nil(pos)
+
+		self.timer = self.timer + 1
+
+
+		if self.timer > 50
+		or not within_limits(pos, 0) then
+			sync_table(self.owner)
+			self.object:remove()
+			return
+		end
+
+		-- hit node
+		if node 
+		and minetest.registered_nodes[node.name] 
+		and minetest.registered_nodes[node.name].walkable then
+			sync_table(self.owner)
+			self.object:remove()
+			return
+		end
+
+		-- hit player or mob
+		for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.0)) do
+
+			if player:is_player() then
+
+				player:punch(self.object, 1.0, {
+					full_punch_interval = 1.0,
+					damage_groups = {fleshy = 8},
+				}, nil)
+			
+				sync_table(self.owner)
+				self.object:remove()
+			
+				return
+			
+			end
+
+			local entity = player:get_luaentity()
+
+			if entity
+			and entity._cmi_is_mob == true
+			and entity.name ~= self.object:get_luaentity().name then
+
+				player:punch(self.object, 1.0, {
+					full_punch_interval = 1.0,
+					damage_groups = {fleshy = 8},
+				}, nil)
+
+				sync_table(self.owner)
+				self.object:remove()
+
+				return
+			end
+		end
+
+		self.lastpos = pos
+	end
+})
+
+function fire_sword(itemstack, user, pointed_thing)
+	local speed = 8
+	local pos = user:getpos()
+	local v = user:get_look_dir()
+	local player_name = user:get_player_name()
+
+	if fired_table[player_name] ~= nil then
+
+		if fired_table[player_name] >= 1 then
+			minetest.chat_send_player(player_name, "You can shoot 1 shot at the same time!")
+			return
+		else
+			fired_table[player_name] = fired_table[player_name] + 1
+		end
+
+	else
+		fired_table[player_name] = 1
+	end
+	
+	-- print(minetest.serialize(fired_table))
+
+	pos.x = pos.x + v.x
+	pos.z = pos.z + v.z
+	if v.y > 0.4 or v.y < -0.4 then
+		pos.y = pos.y + v.y
+	else
+		pos.y = pos.y + 1
+	end
+
+	-- play shoot attack sound
+	minetest.sound_play("throwing_sound", {
+		pos = pos,
+    gain = 1.0, -- default
+    max_hear_distance = 32, -- default, uses an euclidean metric
+	})
+
+	local obj = minetest.add_entity(pos, "obsidianmese:sword_bullet")
+	local ent = obj:get_luaentity()
+	ent.owner = player_name or ""
+
+	if ent then
+		v.x = v.x * speed
+		v.y = v.y * speed
+		v.z = v.z * speed
+
+		obj:setvelocity(v)
+	else
+		obj:remove() -- arrow entity does not exist
+	end
+
+	-- wear tool
+	local wdef = itemstack:get_definition()
+	itemstack:add_wear(65535 / (150 - 1))
+	-- Tool break sound
+	if itemstack:get_count() == 0 and wdef.sound and wdef.sound.breaks then
+		minetest.sound_play(wdef.sound.breaks, {pos = pointed_thing.above, gain = 0.5})
+	end
+	return itemstack
+end
+
+minetest.register_tool("obsidianmese:sword_engraved", {
+	description = "Obsidian Mese Sword Engraved - right click shoot 1 shot",
+	inventory_image = "obsidianmese_sword_diamond_engraved.png",
+	tool_capabilities = {
+		full_punch_interval = 0.6,
+		max_drop_level=1,
+		groupcaps={
+			snappy={times={[1]=1.90, [2]=0.90, [3]=0.30}, uses=300, maxlevel=3},
+		},
+		damage_groups = {fleshy=8},
+		sound = {breaks = "default_tool_breaks"},
+	},
+	on_secondary_use = function(itemstack, user, pointed_thing)
+		if user:get_player_control().RMB then
+			return fire_sword(itemstack, user, pointed_thing)
+		end
+	end
+})
+
 -- pick axe
 minetest.register_tool("obsidianmese:pick", {
 	description = "Obsidian Mese Pickaxe",
@@ -34,9 +233,9 @@ minetest.register_tool("obsidianmese:pick", {
 		full_punch_interval = 0.9,
 		max_drop_level=3,
 		groupcaps={
-			cracky={times={[1]=2.0, [2]=1.0, [3]=0.50}, uses=300, maxlevel=3},
-			crumbly={times={[1]=2.0, [2]=1.0, [3]=0.5}, uses=400, maxlevel=3},
-			snappy={times={[1]=2.0, [2]=1.0, [3]=0.5}, uses=350, maxlevel=3}
+			cracky={times={[1]=2.0, [2]=1.0, [3]=0.50}, uses=250, maxlevel=3},
+			crumbly={times={[1]=2.0, [2]=1.0, [3]=0.5}, uses=350, maxlevel=3},
+			snappy={times={[1]=2.0, [2]=1.0, [3]=0.5}, uses=300, maxlevel=3}
 		},
 		damage_groups = {fleshy=5},
 		sound = {breaks = "default_tool_breaks"},
@@ -55,8 +254,8 @@ minetest.register_craftitem("obsidianmese:mese_apple", {
 
 		minetest.sound_play("apple_eat", {
 			pos = user:getpos(),
-			max_hear_distance = 100,
-			gain = 0.7,
+			max_hear_distance = 32,
+			gain = 0.5,
 		})
 
 		user:set_hp(20)
@@ -66,7 +265,7 @@ minetest.register_craftitem("obsidianmese:mese_apple", {
 })
 
 --
---Crafting
+-- Crafting
 --
 
 minetest.register_craft({