Create shooter.get_weapon_spec(player, weapon_name) as a Lua hook

shooter/README.md

@@ -122,6 +122,8 @@ API Documentation
 ### Methods
 
 * `shooter.register_weapon(name, definition)`: Register a shooting weapon. -- See "Weapon Definition"
+* `shooter.get_weapon_spec(player, weaponname)`: Gets the spec for a particular weapon.
+		Override to add support for per-player specs.
 * `shooter.get_configuration(config)`: Loads matching config settings into a table ref `config`
 * `shooter.spawn_particles(pos, particles)`: Adds particles at the specified position
 	* `particles` is an optional table of overrides for `shooter.default_particles`

shooter/api.lua

@@ -83,7 +83,7 @@ shooter.register_weapon = function(name, def)
 				itemstack = def.on_use(itemstack, user, pointed_thing)
 			end
 			if itemstack then
-				local spec = table.copy(def.spec)
+				local spec = shooter.get_weapon_spec(name)
 				if shooter.fire_weapon(user, itemstack, spec) then
 					itemstack:add_wear(def.spec.wear)
 					if itemstack:get_count() == 0 then
@@ -118,6 +118,15 @@ shooter.register_weapon = function(name, def)
 	})
 end
 
+shooter.get_weapon_spec = function(_, name)
+	local def = shooter.registered_weapons[name]
+	if not def then
+		return nil
+	end
+
+	return table.copy(def.spec)
+end
+
 shooter.get_configuration = function(conf)
 	for k, v in pairs(conf) do
 		local setting = minetest.settings:get("shooter_"..k)