split it into separate files

scripts/powerball.lua

@@ -0,0 +1,86 @@
+stone_sounds = {}
+stone_sounds.footstep = {name = "stone_walk", gain = 1.0}
+stone_sounds.dug = {name = "stone_break", gain = 1.0}
+stone_sounds.place = {name = "block_place", gain = 1.0}
+glass_sounds = {}
+glass_sounds.footstep = {name = "glass_walk", gain = 1.0}
+glass_sounds.dug = {name = "glass_break", gain = 1.0}
+glass_sounds.place = {name = "block_place", gain = 1.0}
+wood_sounds = {}
+wood_sounds.footstep = {name = "wood_walk", gain = 1.0}
+wood_sounds.dug = {name = "wood_break", gain = 1.0}
+wood_sounds.place = {name = "block_place", gain = 1.0}
+new = 0
+minetest.register_entity(
+    "portalgun:powerball",
+    {
+        hp_max = 1000,
+        physical = true,
+        weight = 0,
+        collisionbox = {-0.4, -0.4, -0.4, 0.4, 0.4, 0.4},
+        visual = "sprite",
+        visual_size = {x = 1.1, y = 1.1},
+        textures = {"portalgun_powrball.png"},
+        initial_sprite_basepos = {x = 0, y = 0},
+        is_visible = true,
+        makes_footstep_sound = false,
+        automatic_rotate = 0,
+        portalgun = 2,
+        powerball = 1,
+        on_activate = function(self, staticdata)
+            if new == 0 then
+                self.object:remove()
+                return self
+            end
+            new = 0
+            local pos = self.object:get_pos()
+            self.sound = minetest.sound_play("portalgun_powerball", {pos = pos, max_hear_distance = 10, gain = 0.5})
+            minetest.sound_play("portalgun_powerballbonce", {pos = pos, max_hear_distance = 10, gain = 1})
+        end,
+        on_step = function(self, dtime)
+            self.timer = self.timer + dtime
+            if self.timer < 0.2 then
+                return self
+            end
+            self.timer = 0
+            local pos = self.object:get_pos()
+            for i, ob in pairs(minetest.get_objects_inside_radius(pos, 2)) do
+                if
+                    ob:is_player() or
+                        (ob:get_luaentity() and ob:get_luaentity().portalgun ~= 1 and ob:get_luaentity().wsc == nil and
+                            ob:get_luaentity().powerball ~= 1)
+                 then
+                    ob:set_hp(0)
+                end
+            end
+            self.timer2 = self.timer2 + 1
+            self.timer3 = self.timer3 + 1
+            if self.timer3 >= 9 then
+                self.timer3 = 0
+                minetest.sound_stop(self.sound)
+                self.sound = minetest.sound_play("portalgun_powerball", {pos = pos, max_hear_distance = 10, gain = 0.5})
+            end
+            if self.timer2 > 40 then
+                minetest.sound_stop(self.sound)
+                self.object:set_hp(0)
+                return self
+            end
+            local v = self.object:get_velocity()
+            local nextn = {x = pos.x + (v.x) / 3, y = pos.y + (v.y) / 3, z = pos.z + (v.z) / 3}
+            local nname = minetest.get_node(nextn).name
+            if minetest.registered_nodes[nname].walkable then
+                if nname == "portalgun:powerballtarget" and mesecon then
+                    mesecon.receptor_on(nextn)
+                    minetest.get_node_timer(nextn):start(5)
+                    self.object:remove()
+                end
+                self.object:set_velocity({x = v.x * -1, y = v.y * -1, z = v.z * -1})
+                minetest.sound_play("portalgun_powerballbonce", {pos = pos, max_hear_distance = 10, gain = 1})
+            end
+        end,
+        timer = 0,
+        timer2 = 0,
+        timer3 = 0,
+        sound = {}
+    }
+)