mcl_mobs = {} mcl_mobs.mob_class = {} mcl_mobs.mob_class_meta = {__index = mcl_mobs.mob_class} local modname = minetest.get_current_modname() local path = minetest.get_modpath(modname) local S = minetest.get_translator(modname) mcl_mobs.fallback_node = minetest.registered_aliases["mapgen_dirt"] or "mcl_core:dirt" --api and helpers -- effects: sounds and particles mostly dofile(path .. "/effects.lua") -- physics: involuntary mob movement - particularly falling and death dofile(path .. "/physics.lua") -- movement: general voluntary mob movement, walking avoiding cliffs etc. dofile(path .. "/movement.lua") -- items: item management for mobs dofile(path .. "/items.lua") -- pathfinding: pathfinding to target positions dofile(path .. "/pathfinding.lua") -- combat: attack logic dofile(path .. "/combat.lua") -- the enity functions themselves dofile(path .. "/api.lua") --utility functions dofile(path .. "/breeding.lua") dofile(path .. "/spawning.lua") dofile(path .. "/mount.lua") dofile(path .. "/crafts.lua") dofile(path .. "/compat.lua") local DEFAULT_FALL_SPEED = -9.81*1.5 local MAX_MOB_NAME_LENGTH = 30 local old_spawn_icons = minetest.settings:get_bool("mcl_old_spawn_icons",false) local difficulty = tonumber(minetest.settings:get("mob_difficulty")) or 1.0 -- get node but use fallback for nil or unknown local node_ok = function(pos, fallback) fallback = fallback or mcl_mobs.fallback_node local node = minetest.get_node_or_nil(pos) if node and minetest.registered_nodes[node.name] then return node end return minetest.registered_nodes[fallback] end --#### REGISTER FUNCS -- Code to execute before custom on_rightclick handling local on_rightclick_prefix = function(self, clicker) local item = clicker:get_wielded_item() -- Name mob with nametag if not self.ignores_nametag and item:get_name() == "mcl_mobs:nametag" then local tag = item:get_meta():get_string("name") if tag ~= "" then if string.len(tag) > MAX_MOB_NAME_LENGTH then tag = string.sub(tag, 1, MAX_MOB_NAME_LENGTH) end self.nametag = tag self:update_tag() if not minetest.is_creative_enabled(clicker:get_player_name()) then item:take_item() clicker:set_wielded_item(item) end return true end end return false end -- check if within physical map limits (-30911 to 30927) local function within_limits(pos, radius) local wmin, wmax = -30912, 30928 if mcl_vars then if mcl_vars.mapgen_edge_min and mcl_vars.mapgen_edge_max then wmin, wmax = mcl_vars.mapgen_edge_min, mcl_vars.mapgen_edge_max end end if radius then wmin = wmin - radius wmax = wmax + radius end for _,v in pairs(pos) do if v < wmin or v > wmax then return false end end return true end local create_mob_on_rightclick = function(on_rightclick) return function(self, clicker) local stop = on_rightclick_prefix(self, clicker) if (not stop) and (on_rightclick) then on_rightclick(self, clicker) end end end mcl_mobs.spawning_mobs = {} -- register mob entity function mcl_mobs.register_mob(name, def) mcl_mobs.spawning_mobs[name] = true local can_despawn if def.can_despawn ~= nil then can_despawn = def.can_despawn elseif def.spawn_class == "passive" then can_despawn = false else can_despawn = true end local function scale_difficulty(value, default, min, special) if (not value) or (value == default) or (value == special) then return default else return math.max(min, value * difficulty) end end local collisionbox = def.collisionbox or {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25} -- Workaround for : -- Increase upper Y limit to avoid mobs glitching through solid nodes. -- FIXME: Remove workaround if it's no longer needed. if collisionbox[5] < 0.79 then collisionbox[5] = 0.79 end minetest.register_entity(name, setmetatable({ use_texture_alpha = def.use_texture_alpha, head_swivel = def.head_swivel or nil, -- bool to activate this function head_yaw_offset = def.head_yaw_offset or 0, -- for wonkey model bones head_pitch_multiplier = def.head_pitch_multiplier or 1, --for inverted pitch bone_eye_height = def.bone_eye_height or 1.4, -- head bone offset head_eye_height = def.head_eye_height or def.bone_eye_height or 0, -- how hight aproximatly the mobs head is fromm the ground to tell the mob how high to look up at the player curiosity = def.curiosity or 1, -- how often mob will look at player on idle head_yaw = def.head_yaw or "y", -- axis to rotate head on horrizonatal_head_height = def.horrizonatal_head_height or 0, wears_armor = def.wears_armor, -- a number value used to index texture slot for armor stepheight = def.stepheight or 0.6, name = name, description = def.description, type = def.type, attack_type = def.attack_type, fly = def.fly, fly_in = def.fly_in or {"air", "__airlike"}, owner = def.owner or "", order = def.order or "", on_die = def.on_die, spawn_small_alternative = def.spawn_small_alternative, do_custom = def.do_custom, detach_child = def.detach_child, jump_height = def.jump_height or 4, -- was 6 rotate = math.rad(def.rotate or 0), -- 0=front, 90=side, 180=back, 270=side2 lifetimer = def.lifetimer or 57.73, hp_min = scale_difficulty(def.hp_min, 5, 1), hp_max = scale_difficulty(def.hp_max, 10, 1), xp_min = def.xp_min or 0, xp_max = def.xp_max or 0, xp_timestamp = 0, breath_max = def.breath_max or 15, breathes_in_water = def.breathes_in_water or false, physical = true, collisionbox = collisionbox, selectionbox = def.selectionbox or def.collisionbox, visual = def.visual, visual_size = def.visual_size or {x = 1, y = 1}, mesh = def.mesh, makes_footstep_sound = def.makes_footstep_sound or false, view_range = def.view_range or 16, walk_velocity = def.walk_velocity or 1, run_velocity = def.run_velocity or 2, damage = scale_difficulty(def.damage, 0, 0), light_damage = def.light_damage or 0, sunlight_damage = def.sunlight_damage or 0, water_damage = def.water_damage or 0, lava_damage = def.lava_damage or 8, fire_damage = def.fire_damage or 1, suffocation = def.suffocation or true, fall_damage = def.fall_damage or 1, fall_speed = def.fall_speed or DEFAULT_FALL_SPEED, -- must be lower than -2 drops = def.drops or {}, armor = def.armor or 100, on_rightclick = create_mob_on_rightclick(def.on_rightclick), arrow = def.arrow, shoot_interval = def.shoot_interval, sounds = def.sounds or {}, animation = def.animation or {}, follow = def.follow, nofollow = def.nofollow, can_open_doors = def.can_open_doors, jump = def.jump ~= false, automatic_face_movement_max_rotation_per_sec = 300, walk_chance = def.walk_chance or 50, attacks_monsters = def.attacks_monsters or false, group_attack = def.group_attack or false, passive = def.passive or false, knock_back = def.knock_back ~= false, shoot_offset = def.shoot_offset or 0, floats = def.floats or 1, -- floats in water by default floats_on_lava = def.floats_on_lava or 0, replace_rate = def.replace_rate, replace_what = def.replace_what, replace_with = def.replace_with, replace_offset = def.replace_offset or 0, on_replace = def.on_replace, timer = 0, env_damage_timer = 0, tamed = false, pause_timer = 0, horny = false, hornytimer = 0, gotten = false, health = 0, frame_speed_multiplier = 1, reach = def.reach or 3, htimer = 0, texture_list = def.textures, child_texture = def.child_texture, docile_by_day = def.docile_by_day or false, time_of_day = 0.5, fear_height = def.fear_height or 0, runaway = def.runaway, runaway_timer = 0, pathfinding = def.pathfinding, immune_to = def.immune_to or {}, explosion_radius = def.explosion_radius, -- LEGACY explosion_damage_radius = def.explosion_damage_radius, -- LEGACY explosiontimer_reset_radius = def.explosiontimer_reset_radius, explosion_timer = def.explosion_timer or 3, allow_fuse_reset = def.allow_fuse_reset ~= false, stop_to_explode = def.stop_to_explode ~= false, custom_attack = def.custom_attack, double_melee_attack = def.double_melee_attack, dogshoot_switch = def.dogshoot_switch, dogshoot_count = 0, dogshoot_count_max = def.dogshoot_count_max or 5, dogshoot_count2_max = def.dogshoot_count2_max or (def.dogshoot_count_max or 5), attack_animals = def.attack_animals or false, attack_npcs = def.attack_npcs or false, specific_attack = def.specific_attack, runaway_from = def.runaway_from, owner_loyal = def.owner_loyal, facing_fence = false, is_mob = true, pushable = def.pushable or true, -- MCL2 extensions shooter_avoid_enemy = def.shooter_avoid_enemy, strafes = def.strafes, avoid_distance = def.avoid_distance or 9, do_teleport = def.do_teleport, spawn_class = def.spawn_class, can_spawn = def.can_spawn, ignores_nametag = def.ignores_nametag or false, rain_damage = def.rain_damage or 0, glow = def.glow, can_despawn = can_despawn, child = def.child or false, texture_mods = {}, shoot_arrow = def.shoot_arrow, sounds_child = def.sounds_child, _child_animations = def.child_animations, pick_up = def.pick_up, explosion_strength = def.explosion_strength, suffocation_timer = 0, follow_velocity = def.follow_velocity or 2.4, instant_death = def.instant_death or false, fire_resistant = def.fire_resistant or false, fire_damage_resistant = def.fire_damage_resistant or false, ignited_by_sunlight = def.ignited_by_sunlight or false, spawn_in_group = def.spawn_in_group, spawn_in_group_min = def.spawn_in_group_min, noyaw = def.noyaw or false, particlespawners = def.particlespawners, -- End of MCL2 extensions on_spawn = def.on_spawn, on_blast = def.on_blast or do_tnt, do_punch = def.do_punch, on_breed = def.on_breed, on_grown = def.on_grown, on_pick_up = def.on_pick_up, on_detach_child = mob_detach_child, on_activate = function(self, staticdata, dtime) --this is a temporary hack so mobs stop --glitching and acting really weird with the --default built in engine collision detection self.is_mob = true self.object:set_properties({ collide_with_objects = false, }) return self:mob_activate(staticdata, def, dtime) end, harmed_by_heal = def.harmed_by_heal, on_lightning_strike = def.on_lightning_strike },mcl_mobs.mob_class_meta)) if minetest.get_modpath("doc_identifier") ~= nil then doc.sub.identifier.register_object(name, "basics", "mobs") end end -- END mcl_mobs.register_mob function -- register arrow for shoot attack function mcl_mobs.register_arrow(name, def) if not name or not def then return end -- errorcheck minetest.register_entity(name, { physical = false, visual = def.visual, visual_size = def.visual_size, textures = def.textures, velocity = def.velocity, hit_player = def.hit_player, hit_node = def.hit_node, hit_mob = def.hit_mob, hit_object = def.hit_object, drop = def.drop or false, -- drops arrow as registered item when true collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows timer = 0, switch = 0, owner_id = def.owner_id, rotate = def.rotate, on_punch = function(self) local vel = self.object:get_velocity() self.object:set_velocity({x=vel.x * -1, y=vel.y * -1, z=vel.z * -1}) end, collisionbox = def.collisionbox or {0, 0, 0, 0, 0, 0}, automatic_face_movement_dir = def.rotate and (def.rotate - (math.pi / 180)) or false, on_activate = def.on_activate, on_step = def.on_step or function(self, dtime) self.timer = self.timer + 1 local pos = self.object:get_pos() if self.switch == 0 or self.timer > 150 or not within_limits(pos, 0) then mcl_burning.extinguish(self.object) self.object:remove(); return end -- does arrow have a tail (fireball) if def.tail and def.tail == 1 and def.tail_texture then minetest.add_particle({ pos = pos, velocity = {x = 0, y = 0, z = 0}, acceleration = {x = 0, y = 0, z = 0}, expirationtime = def.expire or 0.25, collisiondetection = false, texture = def.tail_texture, size = def.tail_size or 5, glow = def.glow or 0, }) end if self.hit_node then local node = node_ok(pos).name if minetest.registered_nodes[node].walkable then self.hit_node(self, pos, node) if self.drop == true then pos.y = pos.y + 1 self.lastpos = (self.lastpos or pos) minetest.add_item(self.lastpos, self.object:get_luaentity().name) end self.object:remove(); return end end if self.hit_player or self.hit_mob or self.hit_object then for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.5)) do if self.hit_player and player:is_player() then self.hit_player(self, player) self.object:remove(); return end local entity = player:get_luaentity() if entity and self.hit_mob and entity.is_mob == true and tostring(player) ~= self.owner_id and entity.name ~= self.object:get_luaentity().name then self.hit_mob(self, player) self.object:remove(); return end if entity and self.hit_object and (not entity.is_mob) and tostring(player) ~= self.owner_id and entity.name ~= self.object:get_luaentity().name then self.hit_object(self, player) self.object:remove(); return end end end self.lastpos = pos end }) end -- Register spawn eggs -- Note: This also introduces the “spawn_egg” group: -- * spawn_egg=1: Spawn egg (generic mob, no metadata) -- * spawn_egg=2: Spawn egg (captured/tamed mob, metadata) function mcl_mobs.register_egg(mob, desc, background_color, overlay_color, addegg, no_creative) local grp = {spawn_egg = 1} -- do NOT add this egg to creative inventory (e.g. dungeon master) if no_creative == true then grp.not_in_creative_inventory = 1 end local invimg = "(spawn_egg.png^[multiply:" .. background_color ..")^(spawn_egg_overlay.png^[multiply:" .. overlay_color .. ")" if old_spawn_icons then local mobname = mob:gsub("mobs_mc:","") local fn = "mobs_mc_spawn_icon_"..mobname..".png" if mcl_util.file_exists(minetest.get_modpath("mobs_mc").."/textures/"..fn) then invimg = fn end end if addegg == 1 then invimg = "mobs_chicken_egg.png^(" .. invimg .. "^[mask:mobs_chicken_egg_overlay.png)" end -- register old stackable mob egg minetest.register_craftitem(mob, { description = desc, inventory_image = invimg, groups = grp, _doc_items_longdesc = S("This allows you to place a single mob."), _doc_items_usagehelp = S("Just place it where you want the mob to appear. Animals will spawn tamed, unless you hold down the sneak key while placing. If you place this on a mob spawner, you change the mob it spawns."), on_place = function(itemstack, placer, pointed_thing) local pos = pointed_thing.above -- am I clicking on something with existing on_rightclick function? local under = minetest.get_node(pointed_thing.under) local def = minetest.registered_nodes[under.name] if def and def.on_rightclick then return def.on_rightclick(pointed_thing.under, under, placer, itemstack) end if pos and within_limits(pos, 0) and not minetest.is_protected(pos, placer:get_player_name()) then local name = placer:get_player_name() local privs = minetest.get_player_privs(name) if under.name == "mcl_mobspawners:spawner" then if minetest.is_protected(pointed_thing.under, name) then minetest.record_protection_violation(pointed_thing.under, name) return itemstack end if not privs.maphack then minetest.chat_send_player(name, S("You need the “maphack” privilege to change the mob spawner.")) return itemstack end mcl_mobspawners.setup_spawner(pointed_thing.under, itemstack:get_name()) if not minetest.is_creative_enabled(name) then itemstack:take_item() end return itemstack end if not minetest.registered_entities[mob] then return itemstack end if minetest.settings:get_bool("only_peaceful_mobs", false) and minetest.registered_entities[mob].type == "monster" then minetest.chat_send_player(name, S("Only peaceful mobs allowed!")) return itemstack end pos.y = pos.y - 0.5 local mob = minetest.add_entity(pos, mob) local entityname = itemstack:get_name() minetest.log("action", "Player " ..name.." spawned "..entityname.." at "..minetest.pos_to_string(pos)) local ent = mob:get_luaentity() -- don't set owner if monster or sneak pressed if ent.type ~= "monster" and not placer:get_player_control().sneak then ent.owner = placer:get_player_name() ent.tamed = true end -- set nametag local nametag = itemstack:get_meta():get_string("name") if nametag ~= "" then if string.len(nametag) > MAX_MOB_NAME_LENGTH then nametag = string.sub(nametag, 1, MAX_MOB_NAME_LENGTH) end ent.nametag = nametag update_tag(ent) end -- if not in creative then take item if not minetest.is_creative_enabled(placer:get_player_name()) then itemstack:take_item() end end return itemstack end, }) end