mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-23 10:27:25 +02:00
606 lines
19 KiB
Lua
606 lines
19 KiB
Lua
mcl_mobs = {}
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mcl_mobs.mob_class = {}
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mcl_mobs.mob_class_meta = {__index = mcl_mobs.mob_class}
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mcl_mobs.registered_mobs = {}
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local modname = minetest.get_current_modname()
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local path = minetest.get_modpath(modname)
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local S = minetest.get_translator(modname)
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mcl_mobs.fallback_node = minetest.registered_aliases["mapgen_dirt"] or "mcl_core:dirt"
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--api and helpers
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-- effects: sounds and particles mostly
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dofile(path .. "/effects.lua")
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-- physics: involuntary mob movement - particularly falling and death
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dofile(path .. "/physics.lua")
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-- movement: general voluntary mob movement, walking avoiding cliffs etc.
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dofile(path .. "/movement.lua")
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-- items: item management for mobs
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dofile(path .. "/items.lua")
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-- pathfinding: pathfinding to target positions
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dofile(path .. "/pathfinding.lua")
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-- combat: attack logic
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dofile(path .. "/combat.lua")
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-- the enity functions themselves
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dofile(path .. "/api.lua")
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--utility functions
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dofile(path .. "/breeding.lua")
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dofile(path .. "/spawning.lua")
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dofile(path .. "/mount.lua")
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dofile(path .. "/crafts.lua")
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dofile(path .. "/compat.lua")
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local DEFAULT_FALL_SPEED = -9.81*1.5
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local MAX_MOB_NAME_LENGTH = 30
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local old_spawn_icons = minetest.settings:get_bool("mcl_old_spawn_icons",false)
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local extended_pet_control = minetest.settings:get_bool("mcl_extended_pet_control",true)
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local difficulty = tonumber(minetest.settings:get("mob_difficulty")) or 1.0
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-- get node but use fallback for nil or unknown
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local node_ok = function(pos, fallback)
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fallback = fallback or mcl_mobs.fallback_node
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local node = minetest.get_node_or_nil(pos)
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if node and minetest.registered_nodes[node.name] then
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return node
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end
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return minetest.registered_nodes[fallback]
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end
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--#### REGISTER FUNCS
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-- Code to execute before custom on_rightclick handling
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local on_rightclick_prefix = function(self, clicker)
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if not clicker:is_player() then return end
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local item = clicker:get_wielded_item()
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if extended_pet_control and self.tamed and self.owner == clicker:get_player_name() then
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self:toggle_sit(clicker)
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end
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-- Name mob with nametag
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if not self.ignores_nametag and item:get_name() == "mcl_mobs:nametag" then
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local tag = item:get_meta():get_string("name")
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if tag ~= "" then
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if string.len(tag) > MAX_MOB_NAME_LENGTH then
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tag = string.sub(tag, 1, MAX_MOB_NAME_LENGTH)
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end
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self.nametag = tag
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self:update_tag()
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if not minetest.is_creative_enabled(clicker:get_player_name()) then
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item:take_item()
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clicker:set_wielded_item(item)
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end
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return true
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end
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end
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return false
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end
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local create_mob_on_rightclick = function(on_rightclick)
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return function(self, clicker)
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local stop = on_rightclick_prefix(self, clicker)
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if (not stop) and (on_rightclick) then
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on_rightclick(self, clicker)
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end
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end
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end
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-- check if within physical map limits (-30911 to 30927)
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local function within_limits(pos, radius)
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local wmin, wmax = -30912, 30928
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if mcl_vars then
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if mcl_vars.mapgen_edge_min and mcl_vars.mapgen_edge_max then
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wmin, wmax = mcl_vars.mapgen_edge_min, mcl_vars.mapgen_edge_max
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end
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end
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if radius then
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wmin = wmin - radius
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wmax = wmax + radius
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end
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for _,v in pairs(pos) do
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if v < wmin or v > wmax then return false end
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end
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return true
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end
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mcl_mobs.spawning_mobs = {}
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-- register mob entity
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function mcl_mobs.register_mob(name, def)
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mcl_mobs.spawning_mobs[name] = true
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mcl_mobs.registered_mobs[name] = def
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local can_despawn
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if def.can_despawn ~= nil then
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can_despawn = def.can_despawn
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elseif def.spawn_class == "passive" then
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can_despawn = false
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else
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can_despawn = true
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end
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local function scale_difficulty(value, default, min, special)
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if (not value) or (value == default) or (value == special) then
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return default
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else
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return math.max(min, value * difficulty)
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end
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end
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local collisionbox = def.collisionbox or {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25}
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-- Workaround for <https://github.com/minetest/minetest/issues/5966>:
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-- Increase upper Y limit to avoid mobs glitching through solid nodes.
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-- FIXME: Remove workaround if it's no longer needed.
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if collisionbox[5] < 0.79 then
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collisionbox[5] = 0.79
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end
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local final_def = {
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use_texture_alpha = def.use_texture_alpha,
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head_swivel = def.head_swivel or nil, -- bool to activate this function
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head_yaw_offset = def.head_yaw_offset or 0, -- for wonkey model bones
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head_pitch_multiplier = def.head_pitch_multiplier or 1, --for inverted pitch
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bone_eye_height = def.bone_eye_height or 1.4, -- head bone offset
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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
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curiosity = def.curiosity or 1, -- how often mob will look at player on idle
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head_yaw = def.head_yaw or "y", -- axis to rotate head on
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horizontal_head_height = def.horizontal_head_height or 0,
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wears_armor = def.wears_armor, -- a number value used to index texture slot for armor
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stepheight = def.stepheight or 0.6,
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name = name,
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description = def.description,
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type = def.type,
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attack_type = def.attack_type,
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attack_frequency = def.attack_frequency,
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fly = def.fly or false,
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fly_in = def.fly_in or {"air", "__airlike"},
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owner = def.owner or "",
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order = def.order or "",
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on_die = def.on_die,
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spawn_small_alternative = def.spawn_small_alternative,
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do_custom = def.do_custom,
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detach_child = def.detach_child,
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jump_height = def.jump_height or 4, -- was 6
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rotate = math.rad(def.rotate or 0), -- 0=front, 90=side, 180=back, 270=side2
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lifetimer = def.lifetimer or 57.73,
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hp_min = scale_difficulty(def.hp_min, 5, 1),
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hp_max = scale_difficulty(def.hp_max, 10, 1),
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xp_min = def.xp_min or 0,
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xp_max = def.xp_max or 0,
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xp_timestamp = 0,
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invul_timestamp = 0,
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breath_max = def.breath_max or 15,
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breathes_in_water = def.breathes_in_water or false,
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physical = true,
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collisionbox = collisionbox,
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selectionbox = def.selectionbox or def.collisionbox,
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visual = def.visual,
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visual_size = def.visual_size or {x = 1, y = 1},
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mesh = def.mesh,
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makes_footstep_sound = def.makes_footstep_sound or false,
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view_range = def.view_range or 16,
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walk_velocity = def.walk_velocity or 1,
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run_velocity = def.run_velocity or 2,
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damage = scale_difficulty(def.damage, 0, 0),
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light_damage = def.light_damage or 0,
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sunlight_damage = def.sunlight_damage or 0,
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water_damage = def.water_damage or 0,
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lava_damage = def.lava_damage or 8,
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fire_damage = def.fire_damage or 1,
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suffocation = def.suffocation or true,
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fall_damage = def.fall_damage or 1,
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fall_speed = def.fall_speed or DEFAULT_FALL_SPEED, -- must be lower than -2
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drops = def.drops or {},
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armor = def.armor or 100,
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on_rightclick = create_mob_on_rightclick(def.on_rightclick),
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arrow = def.arrow,
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shoot_interval = def.shoot_interval,
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sounds = def.sounds or {},
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animation = def.animation or {},
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follow = def.follow,
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nofollow = def.nofollow,
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can_open_doors = def.can_open_doors,
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jump = def.jump ~= false,
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automatic_face_movement_max_rotation_per_sec = 300,
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walk_chance = def.walk_chance or 50,
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attacks_monsters = def.attacks_monsters or false,
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group_attack = def.group_attack or false,
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passive = def.passive or false,
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knock_back = def.knock_back ~= false,
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shoot_offset = def.shoot_offset or 0,
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floats = def.floats or 1, -- floats in water by default
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floats_on_lava = def.floats_on_lava or 0,
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replace_rate = def.replace_rate,
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replace_what = def.replace_what,
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replace_with = def.replace_with,
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replace_offset = def.replace_offset or 0,
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on_replace = def.on_replace,
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replace_delay = def.replace_delay or 0,
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timer = 0,
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env_damage_timer = 0,
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tamed = false,
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pause_timer = 0,
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horny = false,
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hornytimer = 0,
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gotten = false,
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health = 0,
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frame_speed_multiplier = 1,
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reach = def.reach or 3,
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htimer = 0,
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texture_list = def.textures,
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child_texture = def.child_texture,
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docile_by_day = def.docile_by_day or false,
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time_of_day = 0.5,
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fear_height = def.fear_height or 0,
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runaway = def.runaway,
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runaway_timer = 0,
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pathfinding = def.pathfinding,
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immune_to = def.immune_to or {},
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explosion_radius = def.explosion_radius, -- LEGACY
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explosion_damage_radius = def.explosion_damage_radius, -- LEGACY
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explosiontimer_reset_radius = def.explosiontimer_reset_radius,
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explosion_timer = def.explosion_timer or 3,
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allow_fuse_reset = def.allow_fuse_reset ~= false,
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stop_to_explode = def.stop_to_explode ~= false,
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custom_attack = def.custom_attack,
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double_melee_attack = def.double_melee_attack,
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dogshoot_switch = def.dogshoot_switch,
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dogshoot_count = 0,
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dogshoot_count_max = def.dogshoot_count_max or 5,
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dogshoot_count2_max = def.dogshoot_count2_max or (def.dogshoot_count_max or 5),
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attack_animals = def.attack_animals or false,
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attack_npcs = def.attack_npcs or false,
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specific_attack = def.specific_attack,
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runaway_from = def.runaway_from,
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owner_loyal = def.owner_loyal,
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facing_fence = false,
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is_mob = true,
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pushable = def.pushable or true,
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-- MCL2 extensions
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shooter_avoid_enemy = def.shooter_avoid_enemy,
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strafes = def.strafes,
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avoid_distance = def.avoid_distance or 9,
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do_teleport = def.do_teleport,
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spawn_class = def.spawn_class,
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can_spawn = def.can_spawn,
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ignores_nametag = def.ignores_nametag or false,
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rain_damage = def.rain_damage or 0,
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glow = def.glow,
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can_despawn = can_despawn,
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child = def.child or false,
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texture_mods = {},
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shoot_arrow = def.shoot_arrow,
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sounds_child = def.sounds_child,
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_child_animations = def.child_animations,
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pick_up = def.pick_up,
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explosion_strength = def.explosion_strength,
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suffocation_timer = 0,
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follow_velocity = def.follow_velocity or 2.4,
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instant_death = def.instant_death or false,
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fire_resistant = def.fire_resistant or false,
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fire_damage_resistant = def.fire_damage_resistant or false,
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ignited_by_sunlight = def.ignited_by_sunlight or false,
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spawn_in_group = def.spawn_in_group,
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spawn_in_group_min = def.spawn_in_group_min,
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noyaw = def.noyaw or false,
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particlespawners = def.particlespawners,
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spawn_check = def.spawn_check,
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-- End of MCL2 extensions
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on_spawn = def.on_spawn,
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on_blast = def.on_blast or function(self,damage)
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self.object:punch(self.object, 1.0, {
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full_punch_interval = 1.0,
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damage_groups = {fleshy = damage},
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}, nil)
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return false, true, {}
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end,
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do_punch = def.do_punch,
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deal_damage = def.deal_damage,
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on_breed = def.on_breed,
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on_grown = def.on_grown,
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on_pick_up = def.on_pick_up,
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on_activate = function(self, staticdata, dtime)
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--this is a temporary hack so mobs stop
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--glitching and acting really weird with the
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--default built in engine collision detection
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self.is_mob = true
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self.object:set_properties({
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collide_with_objects = false,
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})
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return self:mob_activate(staticdata, def, dtime)
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end,
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attack_state = def.attack_state, -- custom attack state
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on_attack = def.on_attack, -- called after attack, useful with otherwise predefined attack states (not custom)
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harmed_by_heal = def.harmed_by_heal,
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is_boss = def.is_boss,
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dealt_effect = def.dealt_effect,
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on_lightning_strike = def.on_lightning_strike,
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extra_hostile = def.extra_hostile,
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attack_exception = def.attack_exception or function(p) return false end,
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_spawner = def._spawner,
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}
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minetest.register_entity(name, setmetatable(final_def,mcl_mobs.mob_class_meta))
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if minetest.get_modpath("doc_identifier") ~= nil then
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doc.sub.identifier.register_object(name, "basics", "mobs")
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end
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end -- END mcl_mobs.register_mob function
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function mcl_mobs.get_arrow_damage_func(damage, typ)
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local typ = mcl_damage.types[typ] and typ or "arrow"
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return function(projectile, object)
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return mcl_util.deal_damage(object, damage, {type = typ})
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end
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end
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-- register arrow for shoot attack
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function mcl_mobs.register_arrow(name, def)
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if not name or not def then return end -- errorcheck
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minetest.register_entity(name, {
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physical = false,
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visual = def.visual,
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visual_size = def.visual_size,
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textures = def.textures,
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velocity = def.velocity,
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hit_player = def.hit_player,
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hit_node = def.hit_node,
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hit_mob = def.hit_mob,
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hit_object = def.hit_object,
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homing = def.homing,
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drop = def.drop or false, -- drops arrow as registered item when true
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collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows
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timer = 0,
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switch = 0,
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_lifetime = def._lifetime or 150,
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owner_id = def.owner_id,
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rotate = def.rotate,
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on_punch = def.on_punch or function(self)
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local vel = self.object:get_velocity()
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self.object:set_velocity({x=vel.x * -1, y=vel.y * -1, z=vel.z * -1})
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end,
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collisionbox = def.collisionbox or {0, 0, 0, 0, 0, 0},
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automatic_face_movement_dir = def.rotate
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and (def.rotate - (math.pi / 180)) or false,
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on_activate = def.on_activate,
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on_step = def.on_step or function(self, dtime)
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self.timer = self.timer + 1
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local pos = self.object:get_pos()
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if self.switch == 0
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or self.timer > self._lifetime
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or not within_limits(pos, 0) then
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mcl_burning.extinguish(self.object)
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self.object:remove();
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return
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end
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-- does arrow have a tail (fireball)
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if def.tail
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and def.tail == 1
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and def.tail_texture then
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minetest.add_particle({
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pos = pos,
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velocity = {x = 0, y = 0, z = 0},
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acceleration = {x = 0, y = 0, z = 0},
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expirationtime = def.expire or 0.25,
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collisiondetection = false,
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texture = def.tail_texture,
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size = def.tail_size or 5,
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glow = def.glow or 0,
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})
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end
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if self.hit_node then
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local node = node_ok(pos).name
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if minetest.registered_nodes[node].walkable then
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self.hit_node(self, pos, node)
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if self.drop == true then
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pos.y = pos.y + 1
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self.lastpos = (self.lastpos or pos)
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minetest.add_item(self.lastpos, self.object:get_luaentity().name)
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end
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self.object:remove();
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return
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end
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end
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if self.homing and self._target then
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local p = self._target:get_pos()
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if p then
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if minetest.line_of_sight(self.object:get_pos(), p) then
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self.object:set_velocity(vector.direction(self.object:get_pos(), p) * self.velocity)
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end
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else
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self._target = nil
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end
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end
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if self.hit_player or self.hit_mob or self.hit_object then
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for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.5)) do
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if self.hit_player
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and player:is_player() then
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self.hit_player(self, player)
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self.object:remove();
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return
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end
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local entity = player:get_luaentity()
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if entity
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and self.hit_mob
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and entity.is_mob == true
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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
|
|
|
|
local dim = mcl_worlds.pos_to_dimension(placer:get_pos())
|
|
local mob_light_lvl = {mcl_mobs:mob_light_lvl(itemstack:get_name(),dim)}
|
|
|
|
--minetest.log("min light: " .. mob_light_lvl[1])
|
|
--minetest.log("max light: " .. mob_light_lvl[2])
|
|
|
|
mcl_mobspawners.setup_spawner(pointed_thing.under, itemstack:get_name(), mob_light_lvl[1], mob_light_lvl[2])
|
|
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
|
|
ent:update_tag()
|
|
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
|