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MineClone2/mods/ENTITIES/mcl_mobs/api.lua

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Lua

local mob_class = mcl_mobs.mob_class
local mob_class_meta = {__index = mcl_mobs.mob_class}
local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
-- API for Mobs Redo: MineClone 2 Edition (MRM)
local PATHFINDING = "gowp"
local CRASH_WARN_FREQUENCY = 60
local LIFETIMER_DISTANCE = 47
-- Localize
local S = minetest.get_translator("mcl_mobs")
local DEVELOPMENT = minetest.settings:get_bool("mcl_development",false)
-- Invisibility mod check
mcl_mobs.invis = {}
local remove_far = true
local mobs_debug = minetest.settings:get_bool("mobs_debug", false) -- Shows helpful debug info above each mob
local spawn_logging = minetest.settings:get_bool("mcl_logging_mobs_spawn",true)
local MAPGEN_LIMIT = mcl_vars.mapgen_limit
local MAPGEN_MOB_LIMIT = MAPGEN_LIMIT - 90
-- 30927 seems to be the edge of the world, so could be closer, but this is safer
-- Peaceful mode message so players will know there are no monsters
if minetest.settings:get_bool("only_peaceful_mobs", false) then
minetest.register_on_joinplayer(function(player)
minetest.chat_send_player(player:get_player_name(),
S("Peaceful mode active! No monsters will spawn."))
end)
end
function mob_class:update_tag() --update nametag and/or the debug box
local tag
if mobs_debug then
local name = self.name
if self.nametag and self.nametag ~= "" then
name = self.nametag
end
tag = "name = '"..tostring(name).."'\n"..
"state = '"..tostring(self.state).."'\n"..
"order = '"..tostring(self.order).."'\n"..
"attack = "..tostring(self.attack).."\n"..
"health = "..tostring(self.health).."\n"..
"breath = "..tostring(self.breath).."\n"..
"gotten = "..tostring(self.gotten).."\n"..
"tamed = "..tostring(self.tamed).."\n"..
"horny = "..tostring(self.horny).."\n"..
"hornytimer = "..tostring(self.hornytimer).."\n"..
"runaway_timer = "..tostring(self.runaway_timer).."\n"..
"following = "..tostring(self.following).."\n"..
"lifetimer = "..tostring(self.lifetimer)
else
tag = self.nametag
end
self.object:set_properties({
nametag = tag,
})
end
function mob_class:jock_to(mob, reletive_pos, rot)
self.jockey = mob
local jock = minetest.add_entity(self.object:get_pos(), mob)
if not jock then return end
jock:get_luaentity().docile_by_day = false
jock:get_luaentity().riden_by_jock = true
self.object:set_attach(jock, "", reletive_pos, rot)
end
function mob_class:get_staticdata()
for _,p in pairs(minetest.get_connected_players()) do
self:remove_particlespawners(p:get_player_name())
end
-- remove mob when out of range unless tamed
if remove_far
and self.can_despawn
and self.remove_ok
and ((not self.nametag) or (self.nametag == ""))
and self.lifetimer <= 20 then
if spawn_logging then
minetest.log("action", "[mcl_mobs] Mob "..tostring(self.name).." despawns at "..minetest.pos_to_string(vector.round(self.object:get_pos())) .. " - out of range")
end
return "remove"-- nil
end
self.remove_ok = true
self.attack = nil
self.following = nil
self.state = "stand"
local tmp = {}
for _,stat in pairs(self) do
local t = type(stat)
if t ~= "function"
and t ~= "nil"
and t ~= "userdata"
and _ ~= "_cmi_components" then
tmp[_] = self[_]
end
end
return minetest.serialize(tmp)
end
function mob_class:mob_activate(staticdata, def, dtime)
if not self.object:get_pos() or staticdata == "remove" then
mcl_burning.extinguish(self.object)
self.object:remove()
return
end
if self.type == "monster"
and minetest.settings:get_bool("only_peaceful_mobs", false) then
mcl_burning.extinguish(self.object)
self.object:remove()
return
end
local tmp = minetest.deserialize(staticdata)
if tmp then
for _,stat in pairs(tmp) do
self[_] = stat
end
end
--If textures in definition change, reload textures
if not self.base_texture or (def.textures and table.indexof(def.textures, self.base_texture) == -1) then
-- compatiblity with old simple mobs textures
if type(def.textures[1]) == "string" then
def.textures = {def.textures}
end
local c = 1
if #def.textures > c then c = #def.textures end
self.base_texture = def.textures[math.random(c)]
self.base_mesh = def.mesh
self.base_size = self.visual_size
self.base_colbox = self.collisionbox
self.base_selbox = self.selectionbox
end
if not self.base_selbox then
self.base_selbox = self.selectionbox or self.base_colbox
end
local textures = self.base_texture
local mesh = self.base_mesh
local vis_size = self.base_size
local colbox = self.base_colbox
local selbox = self.base_selbox
if self.gotten == true
and def.gotten_texture then
textures = def.gotten_texture
end
if self.gotten == true
and def.gotten_mesh then
mesh = def.gotten_mesh
end
if self.child == true then
vis_size = {
x = self.base_size.x * .5,
y = self.base_size.y * .5,
}
if def.child_texture then
textures = def.child_texture[1]
end
colbox = {
self.base_colbox[1] * .5,
self.base_colbox[2] * .5,
self.base_colbox[3] * .5,
self.base_colbox[4] * .5,
self.base_colbox[5] * .5,
self.base_colbox[6] * .5
}
selbox = {
self.base_selbox[1] * .5,
self.base_selbox[2] * .5,
self.base_selbox[3] * .5,
self.base_selbox[4] * .5,
self.base_selbox[5] * .5,
self.base_selbox[6] * .5
}
end
if self.health == 0 then
self.health = math.random (self.hp_min, self.hp_max)
end
if self.breath == nil then
self.breath = self.breath_max
end
self.path = {}
self.path.way = {} -- path to follow, table of positions
self.path.lastpos = {x = 0, y = 0, z = 0}
self.path.stuck = false
self.path.following = false -- currently following path?
self.path.stuck_timer = 0 -- if stuck for too long search for path
-- Armor groups
-- immortal=1 because we use custom health
-- handling (using "health" property)
local armor
if type(self.armor) == "table" then
armor = table.copy(self.armor)
armor.immortal = 1
else
armor = {immortal=1, fleshy = self.armor}
end
self.object:set_armor_groups(armor)
self.old_y = self.object:get_pos().y
self.old_health = self.health
self.sounds.distance = self.sounds.distance or 10
self.textures = textures
self.mesh = mesh
self.collisionbox = colbox
self.selectionbox = selbox
self.visual_size = vis_size
self.standing_in = "ignore"
self.standing_on = "ignore"
self.jump_sound_cooloff = 0 -- used to prevent jump sound from being played too often in short time
self.opinion_sound_cooloff = 0 -- used to prevent sound spam of particular sound types
self.texture_mods = {}
self.object:set_texture_mod("")
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
if not self.nametag then
self.nametag = def.nametag
end
if not self.custom_visual_size then
self.visual_size = nil
self.base_size = self.visual_size
if self.child then
self.visual_size = {
x = self.visual_size.x * 0.5,
y = self.visual_size.y * 0.5,
}
end
end
self.object:set_properties(self)
self:set_yaw( (math.random(0, 360) - 180) / 180 * math.pi, 6)
self:update_tag()
self._current_animation = nil
self:set_animation( "stand")
if self.riden_by_jock then --- Keep this function before self.on_spawn() is run.
self.object:remove()
return
end
if self.on_spawn and not self.on_spawn_run then
if self.on_spawn(self) then
self.on_spawn_run = true
end
end
if not self.wears_armor and self.armor_list then
self.armor_list = nil
end
if not self._run_armor_init and self.wears_armor then
self.armor_list={helmet="",chestplate="",boots="",leggings=""}
self:set_armor_texture()
self._run_armor_init = true
end
if def.after_activate then
def.after_activate(self, staticdata, def, dtime)
end
end
-- execute current state (stand, walk, run, attacks)
-- returns true if mob has died
function mob_class:do_states(dtime)
--if self.can_open_doors then check_doors(self) end
if self.state == "stand" then
self:do_states_stand()
elseif self.state == PATHFINDING then
self:check_gowp(dtime)
elseif self.state == "walk" then
self:do_states_walk()
elseif self.state == "runaway" then
-- runaway when punched
self:do_states_runaway()
elseif self.state == "attack" then
-- attack routines (explode, dogfight, shoot, dogshoot)
if self:do_states_attack(dtime) then
return true
end
end
end
local function update_timers (self, dtime)
-- knockback timer. set in on_punch
if self.pause_timer > 0 then
self.pause_timer = self.pause_timer - dtime
return true
end
-- attack timer. Not anymore, it seems. Used for also occassionally processing mob step too!
self.timer = self.timer + dtime
if self.state ~= "attack" and self.state ~= PATHFINDING then
if self.timer < 1 then
return true
end
self.timer = 0
end
-- never go over 100
if self.timer > 100 then
self.timer = 1
end
end
function mob_class:outside_limits()
local pos = self.object:get_pos()
if pos then
local posx = math.abs(pos.x)
local posy = math.abs(pos.y)
local posz = math.abs(pos.z)
if posx > MAPGEN_MOB_LIMIT or posy > MAPGEN_MOB_LIMIT or posz > MAPGEN_MOB_LIMIT then
--minetest.log("action", "Getting close to limits of worldgen: " .. minetest.pos_to_string(pos))
if posx > MAPGEN_LIMIT or posy > MAPGEN_LIMIT or posz > MAPGEN_LIMIT then
minetest.log("action", "Warning mob past limits of worldgen: " .. minetest.pos_to_string(pos))
else
if self.state ~= "stand" then
minetest.log("action", "Warning mob close to limits of worldgen: " .. minetest.pos_to_string(pos))
self.state = "stand"
self:set_animation("stand")
self.object:set_acceleration(vector.zero())
self.object:set_velocity(vector.zero())
end
end
return true
end
end
end
local function on_step_work (self, dtime)
local pos = self.object:get_pos()
if not pos then return end
if self:check_despawn(pos, dtime) then return true end
if self:outside_limits() then return end
-- Start: Death/damage processing
-- All damage needs to be undertaken at the start. We need to exit processing if the mob dies.
if self:check_death_and_slow_mob() then
--minetest.log("action", "Mob is dying: ".. tostring(self.name))
-- Do we abandon out of here now?
end
if self:falling(pos) then return end
local player_in_active_range = self:player_in_active_range()
self:check_suspend(player_in_active_range)
if not self.fire_resistant then
mcl_burning.tick(self.object, dtime, self)
if not self.object:get_pos() then return end -- mcl_burning.tick may remove object immediately
if self:check_for_death("fire", {type = "fire"}) then
return true
end
end
if self:env_damage (dtime, pos) then return end
if self.state == "die" then return end
-- End: Death/damage processing
self:check_water_flow()
self:env_danger_movement_checks (dtime)
-- Follow code is heavy and probably shouldn't run when not in range, but we need to extract the cancel follow stuff
self:check_follow()
self:flop()
self:check_smooth_rotation(dtime)
if player_in_active_range then
self:set_animation_speed() -- set animation speed relative to velocity
self:check_head_swivel(dtime)
if self.jump_sound_cooloff > 0 then self.jump_sound_cooloff = self.jump_sound_cooloff - dtime end
self:do_jump()
self:check_runaway_from()
self:monster_attack()
self:npc_attack()
self:check_herd(dtime)
end
self:check_aggro(dtime)
if self.do_custom and self.do_custom(self, dtime) == false then return end
-- In certain circumstances, we abandon processing of certain functionality
local skip_processing = false
if update_timers(self, dtime) then
skip_processing = true
end
if not skip_processing then
self:check_breeding()
if player_in_active_range then
self:check_item_pickup()
self:set_armor_texture()
if self.opinion_sound_cooloff > 0 then
self.opinion_sound_cooloff = self.opinion_sound_cooloff - dtime
end
-- mob plays random sound at times. Should be 120. Zombie and mob farms are ridiculous
if math.random(1, 70) == 1 then
self:mob_sound("random", true)
end
end
self:check_particlespawners(dtime)
if self:do_states(dtime) then return end
end
if mobs_debug then self:update_tag() end
if not self.object:get_luaentity() then
return false
end
end
local last_crash_warn_time = 0
local function log_error (stack_trace, info, info2)
minetest.log("action", "--- Bug report start (please provide a few lines before this also for context) ---")
minetest.log("action", "Error: " .. stack_trace)
minetest.log("action", "Bug info: " .. info)
if info2 then
minetest.log("action", "Bug info additional: " .. info2)
end
minetest.log("action", "--- Bug report end ---")
end
local function warn_user_error ()
local current_time = os.time()
local time_since_warning = current_time - last_crash_warn_time
--minetest.log("previous_crash_time: " .. current_time)
--minetest.log("last_crash_time: " .. last_crash_warn_time)
--minetest.log("time_since_warning: " .. time_since_warning)
if time_since_warning > CRASH_WARN_FREQUENCY then
last_crash_warn_time = current_time
minetest.log("A game crashing bug was prevented. Please provide debug.log information to MineClone2 dev team for investigation. (Search for: --- Bug report start)")
end
end
local on_step_error_handler = function ()
warn_user_error ()
local info = debug.getinfo(1, "SnlufL")
log_error(tostring(debug.traceback()), dump(info))
end
-- main mob function
function mob_class:on_step(dtime)
if not DEVELOPMENT then
-- Removed as bundled Lua (5.1 doesn't support xpcall)
--local status, retVal = xpcall(on_step_work, on_step_error_handler, self, dtime)
local status, retVal = pcall(on_step_work, self, dtime)
if status then
return retVal
else
warn_user_error ()
local pos = self.object:get_pos()
if pos then
local node = minetest.get_node(pos)
if node and node.name == "ignore" then
minetest.log("warning", "Pos is ignored: " .. dump(pos))
end
end
log_error (dump(retVal), dump(pos), dump(self))
end
else
return on_step_work (self, dtime)
end
end
local timer = 0
local function update_lifetimer(dtime)
timer = timer + dtime
if timer < 1 then return end
for _, player in pairs(minetest.get_connected_players()) do
local pos = player:get_pos()
for _, obj in pairs(minetest.get_objects_inside_radius(pos, LIFETIMER_DISTANCE)) do
local lua = obj:get_luaentity()
if lua and lua.is_mob then
lua.lifetimer = math.max(20, lua.lifetimer)
lua.despawn_immediately = false
end
end
end
timer = 0
end
minetest.register_globalstep(function(dtime)
update_lifetimer(dtime)
end)
minetest.register_chatcommand("clearmobs", {
privs = { maphack = true },
params = "[all|monster|passive|<mob name> [<range>|nametagged|tamed]]",
description = S("Removes specified mobs except nametagged and tamed ones. For the second parameter, use nametagged/tamed to select only nametagged/tamed mobs, or a range to specify a maximum distance from the player."),
func = function(player, param)
local default = false
if not param or param == "" then
default = true
minetest.chat_send_player(player,
S("Default usage. Clearing hostile mobs. For more options please type: /help clearmobs"))
end
local mob, unsafe = param:match("^([%w]+)[ ]?([%w%d]*)$")
local all = false
local nametagged = false
local tamed = false
local mob_name, mob_type, range
-- Param 1 resolve
if mob and mob ~= "" then
if mob == "all" then
all = true
elseif mob == "passive" or mob == "monster" then
mob_type = mob
elseif mob then
mob_name = mob
end
--minetest.log ("mob: [" .. mob .. "]")
else
--minetest.log("No valid first param")
if default then
--minetest.log("Use default")
mob_type = "monster"
end
--return
end
-- Param 2 resolve
if unsafe and unsafe ~= "" then
--minetest.log ("unsafe: [" .. unsafe .. "]")
if unsafe == "nametagged" then
nametagged = true
elseif unsafe == "tamed" then
tamed = true
end
local num = tonumber(unsafe)
if num then range = num end
end
local p = minetest.get_player_by_name(player)
for _,o in pairs(minetest.luaentities) do
if o and o.is_mob then
local mob_match = false
if all then
--minetest.log("Match - All mobs specified")
mob_match = true
elseif mob_type then
--minetest.log("Match - o.type: ".. tostring(o.type))
--minetest.log("mob_type: ".. tostring(mob_type))
if mob_type == "monster" and o.type == mob_type then
--minetest.log("Match - monster")
mob_match = true
elseif mob_type == "passive" and o.type ~= "monster" and o.type ~= "npc" then
--minetest.log("Match - passive")
mob_match = true
else
--minetest.log("No match for type.")
end
elseif mob_name and (o.name == mob_name or string.find(o.name, mob_name)) then
--minetest.log("Match - mob_name = ".. tostring(o.name))
mob_match = true
else
--minetest.log("No match - o.type = ".. tostring(o.type))
--minetest.log("No match - mob_name = ".. tostring(o.name))
--minetest.log("No match - mob_type = ".. tostring(mob_name))
end
if mob_match then
local in_range = true
if (not range or range <= 0 ) then
in_range = true
else
if ( vector.distance(p:get_pos(),o.object:get_pos()) <= range ) then
in_range = true
else
--minetest.log("Out of range")
in_range = false
end
end
--minetest.log("o.nametag: ".. tostring(o.nametag))
if nametagged then
if o.nametag then
--minetest.log("Namedtagged and it has a name tag. Kill it")
o.object:remove()
end
elseif tamed then
if o.tamed then
--minetest.log("Tamed. Kill it")
o.object:remove()
end
elseif in_range and (not o.nametag or o.nametag == "") and not o.tamed then
--minetest.log("No nametag or tamed. Kill it")
o.object:remove()
end
end
end
end
end})