Bring in mobs inhibitor

LICENSE_ART.txt

@@ -0,0 +1,6 @@
+License for Artistic Assets
+===========================
+
+* License for individual artistic contributions:
+    * Tai Kedzierski, CC-BY-SA 4.0
+        * `sounds/nssm_inhibit.*.ogg`

depends.txt

@@ -0,0 +1,3 @@
+nssm
+nssb
+default

init.lua

@@ -0,0 +1,4 @@
+local modpath = minetest.get_modpath("nssm_server")
+
+-- Server
+dofile(modpath.."/mob_inhibitor.lua")

mob_inhibitor.lua

@@ -0,0 +1,91 @@
+--[[
+
+Server node tool to protect from mobs.
+
+Not in creative inventory, intended for admin use only.
+
+--]]
+
+nssm_server = {}
+
+minetest.register_privilege("mob_inhibitor", {description="Allows placing mob inhibitor blocks"})
+
+minetest.register_node("nssm_server:mob_inhibitor", {
+    description = "NSSM Monster Ward",
+    tiles = {
+        "default_obsidian.png^proud_soul_fragment.png", -- top
+        "default_obsidian.png^greedy_soul_fragment.png", --under
+        "default_obsidian.png^phoenix_fire_bomb.png", -- back
+        "default_obsidian.png^phoenix_fire_bomb.png", -- side
+        "default_obsidian.png^phoenix_fire_bomb.png", --side
+        "default_obsidian.png^phoenix_fire_bomb.png", --front
+    },
+    groups = {cracky = 1, level = 4, not_in_creative_inventory = 1},
+    sounds = default.node_sound_stone_defaults(),
+    drop = "",
+    on_place = function(itemstack, placer, pointed_thing)
+        local playername = placer:get_player_name()
+        local privs = minetest.get_player_privs(playername)
+
+        if privs.mob_inhibitor then
+            return minetest.item_place(itemstack, placer, pointed_thing)
+        else
+            minetest.log("action", playername.." prevented from using nssm_server:mob_inhibitor")
+            return
+        end
+    end
+})
+
+-- Remove from main NSSM
+minetest.register_alias("nssm:mob_inhibitor", "nssm_server:mob_inhibitor")
+
+function nssm_server:inhibit_effect(pos,radius)
+    radius = radius or 1
+
+    minetest.add_particlespawner({
+            amount = 80,
+            time = 1,
+            minpos = {x=pos.x-radius/2, y=pos.y-radius/2, z=pos.z-radius/2}, 
+            maxpos = {x=pos.x+radius/2, y=pos.y+radius/2, z=pos.z+radius/2}, 
+            minlevel = {x=-0, y=-0, z=-0}, 
+            maxlevel = {x=1, y=1, z=1}, 
+            minacc = {x=-0.5,y=5,z=-0.5}, 
+            maxacc = {x=0.5,y=5,z=0.5}, 
+            minexptime = 0.1, 
+            maxexptime = 1, 
+            minsieze = 3,
+            maxsieze = 4,
+            collisiondetection = false,
+            texture = "morparticle.png^[colorize:yellow:200^[colorize:white:100"
+    })
+
+    minetest.sound_play("nssm_inhibit", {
+            pos = pos,
+            max_hear_distance = nssm.inhibition_radius,
+    })
+end
+
+-- Inhibition block - place in spawn buildings on servers
+minetest.register_abm({
+    label = "Monster Inhibition Block",
+    nodenames = {"nssm_server:mob_inhibitor"},
+    interval = 1,
+    chance = 1,
+    catch_up = false,
+    action = function(pos, node, active_object_count, active_object_count_wider)
+        local obj, istring, lua_entity
+
+        for _,obj in pairs(minetest.get_objects_inside_radius(pos , nssm.inhibition_radius)) do
+            if not obj:is_player() and obj:get_luaentity() then
+                lua_entity = obj:get_luaentity()
+                istring = lua_entity["name"]
+
+                -- We got a name, it's nssm and it is a mob
+                if istring and istring:sub(1,5) == "nssm:" and lua_entity.health then
+                    nssm_server:inhibit_effect(obj:get_pos())
+                    obj:remove()
+                end
+            end
+        end
+    end,
+})

mod.conf

@@ -0,0 +1 @@
+name = nssm_server