README.md

@@ -55,7 +55,9 @@ Adds simple hand grenades.
 [mod] Rocket Launcher [shooter_rocket]
 --------------------------------------
 
-**Depends:** shooter, hud_events, physics
+**Depends:** shooter
+
+**Optional Depends:** physics (from capturetheflag)
 
 <img align="left" width="32" height="32" src="https://raw.githubusercontent.com/stujones11/shooter/master/shooter_rocket/textures/shooter_rocket_gun_loaded.png">
 Adds rocket missiles and launching gun.

shooter_rocket/init.lua

@@ -17,13 +17,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 ]]--
 
-local plcooldown = {}
-local COOLDOWN = 5
-
-minetest.register_on_leaveplayer(function(player)
-	plcooldown[player:get_player_name()] = nil
-end)
-
 minetest.register_craftitem("shooter_rocket:rocket", {
 	description = "Rocket",
     stack_max = 1,
@@ -50,9 +43,7 @@ minetest.register_entity("shooter_rocket:rocket_entity", {
 			self.object:remove()
 		end
 	end,
-	on_step = function(self, dtime)
-		self.timer = self.timer + dtime
-		if self.timer > 0.2 then
+	on_step = function(self)
 		local pos = self.object:get_pos()
 		local above = {x=pos.x, y=pos.y + 1, z=pos.z}
 		if minetest.get_node(pos).name ~= "air" then
@@ -64,26 +55,116 @@ minetest.register_entity("shooter_rocket:rocket_entity", {
 			end
 			self.object:remove()
 		end
-			self.timer = 0
-		end
 	end,
 	get_staticdata = function()
 		return "expired"
 	end,
 })
 
+--- Scope functions taken from sniper_rifles mod
+
+------------------
+-- Private data --
+------------------
+
+-- Keep track of players who are scoping in, and their wielded item
+local scoped = {}
+
+-- Timer for scope-check globalstep
+local timer = 0.2
+
+local physics_overrides = {
+	speed = 0.3,
+	jump = 0
+}
+
+-------------
+-- Helpers --
+-------------
+
+local function show_scope(name, item_name)
+	local player = minetest.get_player_by_name(name)
+	if not player then
+		return
+	end
+
+	scoped[name] = item_name
+	player:set_fov(1.1, true)
+	physics.set(name, "shooter_rocket:scoping", physics_overrides)
+	player:hud_set_flags({ wielditem = false })
+end
+
+local function hide_scope(name)
+	local player = minetest.get_player_by_name(name)
+	if not player then
+		return
+	end
+
+	scoped[name] = nil
+	player:set_fov(0)
+	physics.remove(name, "shooter_rocket:scoping")
+	player:hud_set_flags({ wielditem = true })
+
+end
+
+local function on_rclick(item, placer, pointed_thing)
+	local name = placer:get_player_name()
+
+	-- Prioritize on "un-scoping", if player is using the scope
+	if not scoped[name] and pointed_thing.type == "node" then
+		return minetest.item_place(item, placer, pointed_thing)
+	end
+
+	if scoped[name] then
+		hide_scope(name)
+	else
+		-- Remove _loaded suffix added to item name by shooter
+		local item_name = item:get_name():gsub("_loaded", "")
+		show_scope(name, item_name)
+	end
+end
+
+------------------
+-- Scope-check --
+------------------
+
+-- Hide scope if currently wielded item is not the same item
+-- player wielded when scoping
+
+local time = 0
+if minetest.get_modpath("physics") then
+	minetest.register_globalstep(function(dtime)
+		time = time + dtime
+		if time < timer then
+			return
+		end
+
+		time = 0
+		for name, original_item in pairs(scoped) do
+			local player = minetest.get_player_by_name(name)
+			if not player then
+				scoped[name] = nil
+			else
+				local wielded_item = player:get_wielded_item():get_name():gsub("_loaded", "")
+				if wielded_item ~= original_item then
+					hide_scope(name)
+				end
+			end
+		end
+	end)
+end
+
 minetest.register_tool("shooter_rocket:rocket_gun_loaded", {
 	description = "Rocket Gun",
 	inventory_image = "shooter_rocket_gun_loaded.png",
 	groups = {not_in_creative_inventory=1},
+	on_place = on_rclick,
+	on_secondary_use = on_rclick,
 	on_use = function(itemstack, user, pointed_thing)
-		if plcooldown[user:get_player_name()] then
-		hud_event.new(user:get_player_name(), {
-			name = "shooter_rocket:cooldown",
-			color = "0xC1FF44",
-			value = "Your rocket has a cooldown!"
-		})
-		else
+		if not minetest.get_modpath("physics") then
+			scoped[user:get_player_name()] = true
+		end
+		if scoped[user:get_player_name()] then
 			if not minetest.setting_getbool("creative_mode") then
 				itemstack:add_wear(65535 / 50)
 			end
@@ -98,7 +179,6 @@ minetest.register_tool("shooter_rocket:rocket_gun_loaded", {
 			local pos = user:get_pos()
 			local dir = user:get_look_dir()
 			local yaw = user:get_look_horizontal()
-			local username = user:get_player_name()
 			if pos and dir and yaw then
 				pos.y = pos.y + user:get_properties().eye_height
 				local obj = minetest.add_entity(pos, "shooter_rocket:rocket_entity")
@@ -109,24 +189,20 @@ minetest.register_tool("shooter_rocket:rocket_gun_loaded", {
 					obj:set_yaw(yaw + math.pi / 2)
 					local ent = obj:get_luaentity()
 					if ent then
-						ent.user = username
+						ent.user = user:get_player_name()
 					end
 				end
 			end
-			plcooldown[username] = COOLDOWN
-			minetest.after(COOLDOWN, function(user)
-				if plcooldown[username] then
-					plcooldown[username] = nil
-				end
-			end, user)
-		end
 			return itemstack
+		end
 	end,
 })
 
 minetest.register_tool("shooter_rocket:rocket_gun", {
 	description = "Rocket Gun",
 	inventory_image = "shooter_rocket_gun.png",
+	on_place = on_rclick,
+	on_secondary_use = on_rclick,
 	on_use = function(itemstack, user)
 		local inv = user:get_inventory()
 		if inv:contains_item("main", "shooter_rocket:rocket") then
@@ -157,28 +233,9 @@ if shooter.config.enable_crafting == true then
 	})
 end
 
-local timer = 0
-minetest.register_globalstep(function(dtime)
-	timer = timer + dtime
-	if timer >= 1 then
-		timer = 0
-		for _, player in ipairs(minetest.get_connected_players()) do
-			local name = player and player:get_player_name()
-			local wielditem = player:get_wielded_item()
-			if wielditem:get_name() == "shooter_rocket:rocket_gun_loaded" then
-				local wielditem = player:get_wielded_item()
-				physics.set(name, "shooter_rocket:physics", {
-					speed = 0.7
-				})
-			else
-				physics.remove(name, "shooter_rocket:physics")
-			end
-		end
-	end
-end)
-
 --Backwards compatibility
 minetest.register_alias("shooter:rocket", "shooter_rocket:rocket")
 minetest.register_alias("shooter:rocket_gun", "shooter_rocket:rocket_gun")
 minetest.register_alias("shooter:rocket_gun_loaded", "shooter_rocket:rocket_gun_loaded")
 
+

shooter_rocket/mod.conf

@@ -1,3 +1,4 @@
 name = shooter_rocket
 description = Adds rocket missiles and launching gun
-depends = shooter, hud_events, physics
+depends = shooter
+optional_depends = physics