6 mobs
.version
= "20180523"
8 local MAX_MOB_NAME_LENGTH
= 30
11 local MP
= minetest
.get_modpath(minetest
.get_current_modname())
12 local S
, NS
= dofile(MP
.. "/intllib.lua")
17 local use_cmi
= minetest
.global_exists("cmi")
20 -- Invisibility mod check
22 if minetest
.global_exists("invisibility") then
23 mobs
.invis
= invisibility
28 local creative_mode_cache
= minetest
.settings
:get_bool("creative_mode")
29 function mobs
.is_creative(name
)
30 return creative_mode_cache
or minetest
.check_player_privs(name
, {creative
= true})
34 -- localize math functions
36 local square
= math
.sqrt
42 local atann
= math
.atan
43 local random = math
.random
44 local floor = math
.floor
45 local atan = function(x
)
46 if not x
or x
~= x
then
47 --error("atan bassed NaN")
56 local damage_enabled
= minetest
.settings
:get_bool("enable_damage")
57 local mobs_spawn
= minetest
.settings
:get_bool("mobs_spawn") ~= false
58 local peaceful_only
= minetest
.settings
:get_bool("only_peaceful_mobs")
59 local disable_blood
= minetest
.settings
:get_bool("mobs_disable_blood")
60 local mobs_drop_items
= minetest
.settings
:get_bool("mobs_drop_items") ~= false
61 local mobs_griefing
= minetest
.settings
:get_bool("mobs_griefing") ~= false
62 local creative
= minetest
.settings
:get_bool("creative_mode")
63 local spawn_protected
= minetest
.settings
:get_bool("mobs_spawn_protected") ~= false
64 local remove_far
= false
65 local difficulty
= tonumber(minetest
.settings
:get("mob_difficulty")) or 1.0
66 local show_health
= false
67 local max_per_block
= tonumber(minetest
.settings
:get("max_objects_per_block") or 99)
68 local mob_chance_multiplier
= tonumber(minetest
.settings
:get("mob_chance_multiplier") or 1)
70 -- Peaceful mode message so players will know there are no monsters
72 minetest
.register_on_joinplayer(function(player
)
73 minetest
.chat_send_player(player
:get_player_name(),
74 S("** Peaceful Mode Active - No Monsters Will Spawn"))
78 -- calculate aoc range for mob count
79 local aosrb
= tonumber(minetest
.settings
:get("active_object_send_range_blocks"))
80 local abr
= tonumber(minetest
.settings
:get("active_block_range"))
81 local aoc_range
= max(aosrb
, abr
) * 16
83 -- pathfinding settings
84 local enable_pathfinding
= true
85 local stuck_timeout
= 3 -- how long before mob gets stuck in place and starts searching
86 local stuck_path_timeout
= 10 -- how long will mob follow path before giving up
89 local node_fire
= "mcl_fire:fire"
90 local node_permanent_flame
= "mcl_fire:eternal_fire"
91 local node_ice
= "mcl_core:ice"
92 local node_snowblock
= "mcl_core:snowblock"
93 local node_snow
= "mcl_core:snow"
94 mobs
.fallback_node
= minetest
.registered_aliases
["mapgen_dirt"] or "mcl_core:dirt"
96 local mod_weather
= minetest
.get_modpath("mcl_weather") ~= nil
97 local mod_tnt
= minetest
.get_modpath("mcl_tnt") ~= nil
98 local mod_mobspawners
= minetest
.get_modpath("mcl_mobspawners") ~= nil
101 local mob_sound
= function(self
, sound
)
104 minetest
.sound_play(sound
, {
105 object
= self
.object
,
107 max_hear_distance
= self
.sounds
.distance
114 local do_attack
= function(self
, player
)
116 if self
.state
== "attack" then
121 self
.state
= "attack"
123 if random(0, 100) < 90 then
124 mob_sound(self
, self
.sounds
.war_cry
)
129 -- move mob in facing direction
130 local set_velocity
= function(self
, v
)
132 -- do not move if mob has been ordered to stay
133 if self
.order
== "stand" then
134 self
.object
:setvelocity({x
= 0, y
= 0, z
= 0})
138 local yaw
= (self
.object
:get_yaw() or 0) + self
.rotate
140 self
.object
:setvelocity({
142 y
= self
.object
:getvelocity().y
,
148 -- calculate mob velocity
149 local get_velocity
= function(self
)
151 local v
= self
.object
:getvelocity()
153 return (v
.x
* v
.x
+ v
.z
* v
.z
) ^
0.5
157 -- set and return valid yaw
158 local set_yaw
= function(self
, yaw
, delay
)
160 if not yaw
or yaw
~= yaw
then
167 self
.object
:set_yaw(yaw
)
171 self
.target_yaw
= yaw
174 return self
.target_yaw
177 -- global function to set mob yaw
178 function mobs
:yaw(self
, yaw
, delay
)
179 set_yaw(self
, yaw
, delay
)
183 -- set defined animation
184 local set_animation
= function(self
, anim
)
186 if not self
.animation
187 or not anim
then return end
189 self
.animation
.current
= self
.animation
.current
or ""
191 if anim
== self
.animation
.current
192 or not self
.animation
[anim
.. "_start"]
193 or not self
.animation
[anim
.. "_end"] then
197 self
.animation
.current
= anim
199 self
.object
:set_animation({
200 x
= self
.animation
[anim
.. "_start"],
201 y
= self
.animation
[anim
.. "_end"]},
202 self
.animation
[anim
.. "_speed"] or self
.animation
.speed_normal
or 15,
203 0, self
.animation
[anim
.. "_loop"] ~= false)
207 -- above function exported for mount.lua
208 function mobs
:set_animation(self
, anim
)
209 set_animation(self
, anim
)
213 -- calculate distance
214 local get_distance
= function(a
, b
)
216 local x
, y
, z
= a
.x
- b
.x
, a
.y
- b
.y
, a
.z
- b
.z
218 return square(x
* x
+ y
* y
+ z
* z
)
222 -- check line of sight (BrunoMine)
223 local line_of_sight
= function(self
, pos1
, pos2
, stepsize
)
225 stepsize
= stepsize
or 1
227 local s
, pos
= minetest
.line_of_sight(pos1
, pos2
, stepsize
)
229 -- normal walking and flying mobs can see you through air
234 -- New pos1 to be analyzed
235 local npos1
= {x
= pos1
.x
, y
= pos1
.y
, z
= pos1
.z
}
237 local r
, pos
= minetest
.line_of_sight(npos1
, pos2
, stepsize
)
240 if r
== true then return true end
243 local nn
= minetest
.get_node(pos
).name
245 -- Target Distance (td) to travel
246 local td
= get_distance(pos1
, pos2
)
248 -- Actual Distance (ad) traveled
251 -- It continues to advance in the line of sight in search of a real
252 -- obstruction which counts as 'normal' nodebox.
253 while minetest
.registered_nodes
[nn
]
254 and (minetest
.registered_nodes
[nn
].walkable
== false
255 or minetest
.registered_nodes
[nn
].drawtype
== "nodebox") do
257 -- Check if you can still move forward
258 if td
< ad
+ stepsize
then
259 return true -- Reached the target
262 -- Moves the analyzed pos
263 local d
= get_distance(pos1
, pos2
)
265 npos1
.x
= ((pos2
.x
- pos1
.x
) / d
* stepsize
) + pos1
.x
266 npos1
.y
= ((pos2
.y
- pos1
.y
) / d
* stepsize
) + pos1
.y
267 npos1
.z
= ((pos2
.z
- pos1
.z
) / d
* stepsize
) + pos1
.z
271 or npos1
.x
~= npos1
.x
272 or npos1
.y
~= npos1
.y
273 or npos1
.z
~= npos1
.z
then
280 r
, pos
= minetest
.line_of_sight(npos1
, pos2
, stepsize
)
282 if r
== true then return true end
284 -- New Nodename found
285 nn
= minetest
.get_node(pos
).name
293 -- are we flying in what we are suppose to? (taikedz)
294 local flight_check
= function(self
, pos_w
)
296 local nod
= self
.standing_in
297 local def
= minetest
.registered_nodes
[nod
]
299 if not def
then return false end -- nil check
301 if type(self
.fly_in
) == "string"
302 and nod
== self
.fly_in
then
306 elseif type(self
.fly_in
) == "table" then
308 for _
,fly_in
in pairs(self
.fly_in
) do
310 if nod
== fly_in
then
317 -- stops mobs getting stuck inside stairs and plantlike nodes
318 if def
.drawtype
~= "airlike"
319 and def
.drawtype
~= "liquid"
320 and def
.drawtype
~= "flowingliquid" then
328 -- custom particle effects
329 local effect
= function(pos
, amount
, texture
, min_size
, max_size
, radius
, gravity
, glow
)
332 min_size
= min_size
or 0.5
333 max_size
= max_size
or 1
334 gravity
= gravity
or -10
337 minetest
.add_particlespawner({
342 minvel
= {x
= -radius
, y
= -radius
, z
= -radius
},
343 maxvel
= {x
= radius
, y
= radius
, z
= radius
},
344 minacc
= {x
= 0, y
= gravity
, z
= 0},
345 maxacc
= {x
= 0, y
= gravity
, z
= 0},
356 local update_tag
= function(self
)
359 local col
= "#00FF00"
360 local qua
= self
.hp_max
/ 4
362 if self
.health
<= floor(qua
* 3) then
366 if self
.health
<= floor(qua
* 2) then
370 if self
.health
<= floor(qua
) then
375 self
.object
:set_properties({
376 nametag
= self
.nametag
,
383 local item_drop
= function(self
, cooked
)
385 -- no drops if disabled by setting
386 if not mobs_drop_items
then return end
388 -- no drops for child mobs
389 if self
.child
then return end
392 local pos
= self
.object
:get_pos()
394 self
.drops
= self
.drops
or {} -- nil check
396 for n
= 1, #self
.drops
do
398 if random(1, self
.drops
[n
].chance
) == 1 then
400 num
= random(self
.drops
[n
].min or 1, self
.drops
[n
].max or 1)
401 item
= self
.drops
[n
].name
403 -- cook items when true
406 local output
= minetest
.get_craft_result({
407 method
= "cooking", width
= 1, items
= {item
}})
409 if output
and output
.item
and not output
.item
:is_empty() then
410 item
= output
.item
:get_name()
414 -- add item if it exists
415 obj
= minetest
.add_item(pos
, ItemStack(item
.. " " .. num
))
417 if obj
and obj
:get_luaentity() then
420 x
= random(-10, 10) / 9,
422 z
= random(-10, 10) / 9,
425 obj
:remove() -- item does not exist
434 -- check if mob is dead or only hurt
435 local check_for_death
= function(self
, cause
, cmi_cause
)
437 -- has health actually changed?
438 if self
.health
== self
.old_health
and self
.health
> 0 then
442 self
.old_health
= self
.health
444 -- still got some health? play hurt sound
445 if self
.health
> 0 then
447 mob_sound(self
, self
.sounds
.damage
)
449 -- make sure health isn't higher than max
450 if self
.health
> self
.hp_max
then
451 self
.health
= self
.hp_max
454 -- backup nametag so we can show health stats
455 if not self
.nametag2
then
456 self
.nametag2
= self
.nametag
or ""
460 and (cmi_cause
and cmi_cause
.type == "punch") then
463 self
.nametag
= "♥ " .. self
.health
.. " / " .. self
.hp_max
471 -- dropped cooked item if mob died in lava
472 if cause
== "lava" then
473 item_drop(self
, true)
478 mob_sound(self
, self
.sounds
.death
)
480 local pos
= self
.object
:get_pos()
482 -- execute custom death function
485 self
.on_die(self
, pos
)
488 cmi
.notify_die(self
.object
, cmi_cause
)
496 -- default death function and die animation (if defined)
498 and self
.animation
.die_start
499 and self
.animation
.die_end
then
501 local frames
= self
.animation
.die_end
- self
.animation
.die_start
502 local speed
= self
.animation
.die_speed
or 15
503 local length
= max(frames
/ speed
, 0)
511 set_velocity(self
, 0)
512 set_animation(self
, "die")
514 minetest
.after(length
, function(self
)
517 cmi
.notify_die(self
.object
, cmi_cause
)
525 cmi
.notify_die(self
.object
, cmi_cause
)
531 effect(pos
, 20, "tnt_smoke.png")
537 -- check if within physical map limits (-30911 to 30927)
538 local within_limits
= function(pos
, radius
)
540 if (pos
.x
- radius
) > -30913
541 and (pos
.x
+ radius
) < 30928
542 and (pos
.y
- radius
) > -30913
543 and (pos
.y
+ radius
) < 30928
544 and (pos
.z
- radius
) > -30913
545 and (pos
.z
+ radius
) < 30928 then
546 return true -- within limits
549 return false -- beyond limits
553 -- is mob facing a cliff
554 local is_at_cliff
= function(self
)
556 if self
.fear_height
== 0 then -- 0 for no falling protection!
560 local yaw
= self
.object
:get_yaw()
561 local dir_x
= -sin(yaw
) * (self
.collisionbox
[4] + 0.5)
562 local dir_z
= cos(yaw
) * (self
.collisionbox
[4] + 0.5)
563 local pos
= self
.object
:get_pos()
564 local ypos
= pos
.y
+ self
.collisionbox
[2] -- just above floor
566 if minetest
.line_of_sight(
567 {x
= pos
.x
+ dir_x
, y
= ypos
, z
= pos
.z
+ dir_z
},
568 {x
= pos
.x
+ dir_x
, y
= ypos
- self
.fear_height
, z
= pos
.z
+ dir_z
}
578 -- get node but use fallback for nil or unknown
579 local node_ok
= function(pos
, fallback
)
581 fallback
= fallback
or mobs
.fallback_node
583 local node
= minetest
.get_node_or_nil(pos
)
585 if node
and minetest
.registered_nodes
[node
.name
] then
589 return minetest
.registered_nodes
[fallback
]
593 -- environmental damage (water, lava, fire, light etc.)
594 local do_env_damage
= function(self
)
596 -- feed/tame text timer (so mob 'full' messages dont spam chat)
597 if self
.htimer
> 0 then
598 self
.htimer
= self
.htimer
- 1
601 -- reset nametag after showing health stats
602 if self
.htimer
< 1 and self
.nametag2
then
604 self
.nametag
= self
.nametag2
610 local pos
= self
.object
:get_pos()
612 self
.time_of_day
= minetest
.get_timeofday()
614 -- remove mob if beyond map limits
615 if not within_limits(pos
, 0) then
620 -- bright light harms mob
621 if self
.light_damage
~= 0
622 and (minetest
.get_node_light(pos
) or 0) > 12 then
624 if not (mod_weather
and (mcl_weather
.rain
.raining
or mcl_weather
.state
== "snow") and mcl_weather
.is_outdoor(pos
)) then
626 self
.health
= self
.health
- self
.light_damage
628 effect(pos
, 5, "tnt_smoke.png")
630 if check_for_death(self
, "light", {type = "light"}) then return end
635 local y_level
= self
.collisionbox
[2]
638 y_level
= self
.collisionbox
[2] * 0.5
641 -- what is mob standing in?
642 pos
.y
= pos
.y
+ y_level
+ 0.25 -- foot level
643 self
.standing_in
= node_ok(pos
, "air").name
644 -- print ("standing in " .. self.standing_in)
646 -- don't fall when on ignore, just stand still
647 if self
.standing_in
== "ignore" then
648 self
.object
:setvelocity({x
= 0, y
= 0, z
= 0})
651 local nodef
= minetest
.registered_nodes
[self
.standing_in
]
654 if self
.rain_damage
and mod_weather
then
655 if mcl_weather
.rain
.raining
and mcl_weather
.is_outdoor(pos
) then
657 self
.health
= self
.health
- self
.rain_damage
659 if check_for_death(self
, "rain", {type = "environment",
660 pos
= pos
, node
= self
.standing_in
}) then return end
664 pos
.y
= pos
.y
+ 1 -- for particle effect position
668 and nodef
.groups
.water
then
670 if self
.water_damage
~= 0 then
672 self
.health
= self
.health
- self
.water_damage
674 effect(pos
, 5, "bubble.png", nil, nil, 1, nil)
676 if check_for_death(self
, "water", {type = "environment",
677 pos
= pos
, node
= self
.standing_in
}) then return end
681 elseif self
.lava_damage
682 and (nodef
.groups
.lava
683 or self
.standing_in
== node_fire
684 or self
.standing_in
== node_permanent_flame
) then
686 if self
.lava_damage
~= 0 then
688 self
.health
= self
.health
- self
.lava_damage
690 effect(pos
, 5, "fire_basic_flame.png", nil, nil, 1, nil)
692 if check_for_death(self
, "lava", {type = "environment",
693 pos
= pos
, node
= self
.standing_in
}) then return end
696 -- damage_per_second node check
697 elseif nodef
.damage_per_second
~= 0 then
699 self
.health
= self
.health
- nodef
.damage_per_second
701 effect(pos
, 5, "tnt_smoke.png")
703 if check_for_death(self
, "dps", {type = "environment",
704 pos
= pos
, node
= self
.standing_in
}) then return end
707 --- suffocation inside solid node
708 if self.suffocation ~= 0
709 and nodef.walkable == true
710 and nodef.groups.disable_suffocation ~= 1
711 and nodef.drawtype == "normal" then
713 self.health = self.health - self.suffocation
715 if check_for_death(self, "suffocation", {type = "environment",
716 pos = pos, node = self.standing_in}) then return end
719 check_for_death(self
, "", {type = "unknown"})
723 -- jump if facing a solid node (not fences or gates)
724 local do_jump
= function(self
)
727 or self
.jump_height
== 0
730 or self
.order
== "stand" then
734 self
.facing_fence
= false
736 -- something stopping us while moving?
737 if self
.state
~= "stand"
738 and get_velocity(self
) > 0.5
739 and self
.object
:getvelocity().y
~= 0 then
743 local pos
= self
.object
:get_pos()
744 local yaw
= self
.object
:get_yaw()
746 -- what is mob standing on?
747 pos
.y
= pos
.y
+ self
.collisionbox
[2] - 0.2
749 local nod
= node_ok(pos
)
751 --print ("standing on:", nod.name, pos.y)
753 if minetest
.registered_nodes
[nod
.name
].walkable
== false then
758 local dir_x
= -sin(yaw
) * (self
.collisionbox
[4] + 0.5)
759 local dir_z
= cos(yaw
) * (self
.collisionbox
[4] + 0.5)
761 -- what is in front of mob?
762 local nod
= node_ok({
768 -- thin blocks that do not need to be jumped
769 if nod
.name
== node_snow
then
773 --print ("in front:", nod.name, pos.y + 0.5)
775 if self
.walk_chance
== 0
776 or minetest
.registered_items
[nod
.name
].walkable
then
778 if not nod
.name
:find("fence")
779 and not nod
.name
:find("gate") then
781 local v
= self
.object
:getvelocity()
783 v
.y
= self
.jump_height
785 set_animation(self
, "jump") -- only when defined
787 self
.object
:setvelocity(v
)
789 -- when in air move forward
790 minetest
.after(0.3, function(self
, v
)
791 -- self.object:setvelocity({
792 self
.object
:set_acceleration({
799 if get_velocity(self
) > 0 then
800 mob_sound(self
, self
.sounds
.jump
)
803 self
.facing_fence
= true
813 -- blast damage to entities nearby (modified from TNT mod)
814 local entity_physics
= function(pos
, radius
)
818 local objs
= minetest
.get_objects_inside_radius(pos
, radius
)
823 obj_pos
= objs
[n
]:get_pos()
825 dist
= get_distance(pos
, obj_pos
)
826 if dist
< 1 then dist
= 1 end
828 local damage
= floor((4 / dist
) * radius
)
829 local ent
= objs
[n
]:get_luaentity()
831 -- punches work on entities AND players
832 objs
[n
]:punch(objs
[n
], 1.0, {
833 full_punch_interval
= 1.0,
834 damage_groups
= {fleshy
= damage
},
840 -- should mob follow what I'm holding ?
841 local follow_holding
= function(self
, clicker
)
843 if mobs
.invis
[clicker
:get_player_name()] then
847 local item
= clicker
:get_wielded_item()
848 local t
= type(self
.follow
)
852 and item
:get_name() == self
.follow
then
856 elseif t
== "table" then
858 for no
= 1, #self
.follow
do
860 if self
.follow
[no
] == item
:get_name() then
870 -- find two animals of same type and breed if nearby and horny
871 local breed
= function(self
)
873 -- child takes 240 seconds before growing into adult
874 if self
.child
== true then
876 self
.hornytimer
= self
.hornytimer
+ 1
878 if self
.hornytimer
> 240 then
883 self
.object
:set_properties({
884 textures
= self
.base_texture
,
885 mesh
= self
.base_mesh
,
886 visual_size
= self
.base_size
,
887 collisionbox
= self
.base_colbox
,
888 selectionbox
= self
.base_selbox
,
891 -- custom function when child grows up
892 if self
.on_grown
then
895 -- jump when fully grown so as not to fall into ground
896 self
.object
:setvelocity({
898 y
= self
.jump_height
,
907 -- horny animal can mate for 40 seconds,
908 -- afterwards horny animal cannot mate again for 200 seconds
909 if self
.horny
== true
910 and self
.hornytimer
< 240 then
912 self
.hornytimer
= self
.hornytimer
+ 1
914 if self
.hornytimer
>= 240 then
920 -- find another same animal who is also horny and mate if nearby
921 if self
.horny
== true
922 and self
.hornytimer
<= 40 then
924 local pos
= self
.object
:get_pos()
926 effect({x
= pos
.x
, y
= pos
.y
+ 1, z
= pos
.z
}, 8, "heart.png", 3, 4, 1, 0.1)
928 local objs
= minetest
.get_objects_inside_radius(pos
, 3)
934 ent
= objs
[n
]:get_luaentity()
936 -- check for same animal with different colour
937 local canmate
= false
941 if ent
.name
== self
.name
then
944 local entname
= string.split(ent
.name
,":")
945 local selfname
= string.split(self
.name
,":")
947 if entname
[1] == selfname
[1] then
948 entname
= string.split(entname
[2],"_")
949 selfname
= string.split(selfname
[2],"_")
951 if entname
[1] == selfname
[1] then
960 and ent
.horny
== true
961 and ent
.hornytimer
<= 40 then
965 -- found your mate? then have a baby
972 minetest
.after(5, function()
974 -- custom breed function
975 if self
.on_breed
then
976 -- when false skip going any further
977 if self
.on_breed(self
, ent
) == false then
982 local child
= mobs
:spawn_child(pos
, self
.name
)
984 local ent_c
= child
:get_luaentity()
986 -- Use parent's texture
987 local textures
= self
.base_texture
988 child
:set_properties({
992 -- tamed and owned by parents' owner
994 ent_c
.owner
= self
.owner
1006 -- find and replace what mob is looking for (grass, wheat etc.)
1007 local replace
= function(self
, pos
)
1009 if not mobs_griefing
1010 or not self
.replace_rate
1011 or not self
.replace_what
1012 or self
.child
== true
1013 or self
.object
:getvelocity().y
~= 0
1014 or random(1, self
.replace_rate
) > 1 then
1018 local what
, with
, y_offset
1020 if type(self
.replace_what
[1]) == "table" then
1022 local num
= random(#self
.replace_what
)
1024 what
= self
.replace_what
[num
][1] or ""
1025 with
= self
.replace_what
[num
][2] or ""
1026 y_offset
= self
.replace_what
[num
][3] or 0
1028 what
= self
.replace_what
1029 with
= self
.replace_with
or ""
1030 y_offset
= self
.replace_offset
or 0
1033 pos
.y
= pos
.y
+ y_offset
1035 if #minetest
.find_nodes_in_area(pos
, pos
, what
) > 0 then
1037 -- print ("replace node = ".. minetest.get_node(pos).name, pos.y)
1039 local oldnode
= {name
= what
}
1040 local newnode
= {name
= with
}
1041 local on_replace_return
1043 if self
.on_replace
then
1044 on_replace_return
= self
.on_replace(self
, pos
, oldnode
, newnode
)
1047 if on_replace_return
~= false then
1049 minetest
.set_node(pos
, {name
= with
})
1051 -- when cow/sheep eats grass, replace wool and milk
1052 if self
.gotten
== true then
1054 self
.object
:set_properties(self
)
1061 -- check if daytime and also if mob is docile during daylight hours
1062 local day_docile
= function(self
)
1064 if self
.docile_by_day
== false then
1068 elseif self
.docile_by_day
== true
1069 and self
.time_of_day
> 0.2
1070 and self
.time_of_day
< 0.8 then
1077 local los_switcher
= false
1078 local height_switcher
= false
1080 -- path finding and smart mob routine by rnd, line_of_sight and other edits by Elkien3
1081 local smart_mobs
= function(self
, s
, p
, dist
, dtime
)
1083 local s1
= self
.path
.lastpos
1085 local target_pos
= self
.attack
:get_pos()
1087 -- is it becoming stuck?
1088 if abs(s1
.x
- s
.x
) + abs(s1
.z
- s
.z
) < .5 then
1089 self
.path
.stuck_timer
= self
.path
.stuck_timer
+ dtime
1091 self
.path
.stuck_timer
= 0
1094 self
.path
.lastpos
= {x
= s
.x
, y
= s
.y
, z
= s
.z
}
1096 local use_pathfind
= false
1097 local has_lineofsight
= minetest
.line_of_sight(
1098 {x
= s
.x
, y
= (s
.y
) + .5, z
= s
.z
},
1099 {x
= target_pos
.x
, y
= (target_pos
.y
) + 1.5, z
= target_pos
.z
}, .2)
1101 -- im stuck, search for path
1102 if not has_lineofsight
then
1104 if los_switcher
== true then
1106 los_switcher
= false
1107 end -- cannot see target!
1109 if los_switcher
== false then
1112 use_pathfind
= false
1114 minetest
.after(1, function(self
)
1115 if has_lineofsight
then self
.path
.following
= false end
1117 end -- can see target!
1120 if (self
.path
.stuck_timer
> stuck_timeout
and not self
.path
.following
) then
1123 self
.path
.stuck_timer
= 0
1125 minetest
.after(1, function(self
)
1126 if has_lineofsight
then self
.path
.following
= false end
1130 if (self
.path
.stuck_timer
> stuck_path_timeout
and self
.path
.following
) then
1133 self
.path
.stuck_timer
= 0
1135 minetest
.after(1, function(self
)
1136 if has_lineofsight
then self
.path
.following
= false end
1140 if math
.abs(vector
.subtract(s
,target_pos
).y
) > self
.stepheight
then
1142 if height_switcher
then
1144 height_switcher
= false
1147 if not height_switcher
then
1148 use_pathfind
= false
1149 height_switcher
= true
1153 if use_pathfind
then
1154 -- lets try find a path, first take care of positions
1155 -- since pathfinder is very sensitive
1156 local sheight
= self
.collisionbox
[5] - self
.collisionbox
[2]
1158 -- round position to center of node to avoid stuck in walls
1159 -- also adjust height for player models!
1160 s
.x
= floor(s
.x
+ 0.5)
1161 -- s.y = floor(s.y + 0.5) - sheight
1162 s
.z
= floor(s
.z
+ 0.5)
1164 local ssight
, sground
= minetest
.line_of_sight(s
, {
1165 x
= s
.x
, y
= s
.y
- 4, z
= s
.z
}, 1)
1167 -- determine node above ground
1172 local p1
= self
.attack
:get_pos()
1174 p1
.x
= floor(p1
.x
+ 0.5)
1175 p1
.y
= floor(p1
.y
+ 0.5)
1176 p1
.z
= floor(p1
.z
+ 0.5)
1178 local dropheight
= 6
1179 if self
.fear_height
~= 0 then dropheight
= self
.fear_height
end
1181 self
.path
.way
= minetest
.find_path(s
, p1
, 16, self
.stepheight
, dropheight
, "A*_noprefetch")
1183 -- show path using particles
1184 if self.path.way and #self.path.way > 0 then
1185 print ("-- path length:" .. tonumber(#self.path.way))
1186 for _,pos in pairs(self.path.way) do
1187 minetest.add_particle({
1189 velocity = {x=0, y=0, z=0},
1190 acceleration = {x=0, y=0, z=0},
1193 collisiondetection = false,
1195 texture = "heart.png",
1202 do_attack(self
, self
.attack
)
1204 -- no path found, try something else
1205 if not self
.path
.way
then
1207 self
.path
.following
= false
1209 -- lets make way by digging/building if not accessible
1210 if self
.pathfinding
== 2 and mobs_griefing
then
1212 -- is player higher than mob?
1216 if not minetest
.is_protected(s
, "") then
1218 local ndef1
= minetest
.registered_nodes
[self
.standing_in
]
1220 if ndef1
and (ndef1
.buildable_to
or ndef1
.groups
.liquid
) then
1222 minetest
.set_node(s
, {name
= mobs
.fallback_node
})
1226 local sheight
= math
.ceil(self
.collisionbox
[5]) + 1
1228 -- assume mob is 2 blocks high so it digs above its head
1231 -- remove one block above to make room to jump
1232 if not minetest
.is_protected(s
, "") then
1234 local node1
= node_ok(s
, "air").name
1235 local ndef1
= minetest
.registered_nodes
[node1
]
1238 and node1
~= "ignore"
1240 and not ndef1
.groups
.level
1241 and not ndef1
.groups
.unbreakable
1242 and not ndef1
.groups
.liquid
then
1244 minetest
.set_node(s
, {name
= "air"})
1245 minetest
.add_item(s
, ItemStack(node1
))
1251 self
.object
:setpos({x
= s
.x
, y
= s
.y
+ 2, z
= s
.z
})
1253 else -- dig 2 blocks to make door toward player direction
1255 local yaw1
= self
.object
:get_yaw() + pi
/ 2
1257 x
= s
.x
+ cos(yaw1
),
1262 if not minetest
.is_protected(p1
, "") then
1264 local node1
= node_ok(p1
, "air").name
1265 local ndef1
= minetest
.registered_nodes
[node1
]
1268 and node1
~= "ignore"
1270 and not ndef1
.groups
.level
1271 and not ndef1
.groups
.unbreakable
1272 and not ndef1
.groups
.liquid
then
1274 minetest
.add_item(p1
, ItemStack(node1
))
1275 minetest
.set_node(p1
, {name
= "air"})
1279 node1
= node_ok(p1
, "air").name
1280 ndef1
= minetest
.registered_nodes
[node1
]
1283 and node1
~= "ignore"
1285 and not ndef1
.groups
.level
1286 and not ndef1
.groups
.unbreakable
1287 and not ndef1
.groups
.liquid
then
1289 minetest
.add_item(p1
, ItemStack(node1
))
1290 minetest
.set_node(p1
, {name
= "air"})
1297 -- will try again in 2 second
1298 self
.path
.stuck_timer
= stuck_timeout
- 2
1300 -- frustration! cant find the damn path :(
1301 mob_sound(self
, self
.sounds
.random)
1304 mob_sound(self
, self
.sounds
.war_cry
)
1305 set_velocity(self
, self
.walk_velocity
)
1307 -- follow path now that it has it
1308 self
.path
.following
= true
1315 local specific_attack
= function(list
, what
)
1317 -- no list so attack default (player, animals etc.)
1322 -- found entity on list to attack?
1323 for no
= 1, #list
do
1325 if list
[no
] == what
then
1334 -- monster find someone to attack
1335 local monster_attack
= function(self
)
1337 if self
.type ~= "monster"
1338 or not damage_enabled
1340 or self
.state
== "attack"
1341 or day_docile(self
) then
1345 local s
= self
.object
:get_pos()
1347 local player
, obj
, min_player
1348 local type, name
= "", ""
1349 local min_dist
= self
.view_range
+ 1
1350 local objs
= minetest
.get_objects_inside_radius(s
, self
.view_range
)
1354 if objs
[n
]:is_player() then
1356 if mobs
.invis
[ objs
[n
]:get_player_name() ] then
1365 obj
= objs
[n
]:get_luaentity()
1370 name
= obj
.name
or ""
1374 -- find specific mob to attack, failing that attack player/npc/animal
1375 if specific_attack(self
.specific_attack
, name
)
1376 and (type == "player" or type == "npc"
1377 or (type == "animal" and self
.attack_animals
== true)) then
1379 p
= player
:get_pos()
1382 dist
= get_distance(p
, s
)
1384 -- aim higher to make looking up hills more realistic
1389 -- choose closest player to attack
1391 and line_of_sight(self
, sp
, p
, 2) == true then
1400 do_attack(self
, min_player
)
1405 -- npc, find closest monster to attack
1406 local npc_attack
= function(self
)
1408 if self
.type ~= "npc"
1409 or not self
.attacks_monsters
1410 or self
.state
== "attack" then
1414 local p
, sp
, obj
, min_player
1415 local s
= self
.object
:get_pos()
1416 local min_dist
= self
.view_range
+ 1
1417 local objs
= minetest
.get_objects_inside_radius(s
, self
.view_range
)
1421 obj
= objs
[n
]:get_luaentity()
1423 if obj
and obj
.type == "monster" then
1425 p
= obj
.object
:get_pos()
1428 dist
= get_distance(p
, s
)
1430 -- aim higher to make looking up hills more realistic
1435 and line_of_sight(self
, sp
, p
, 2) == true then
1437 min_player
= obj
.object
1443 do_attack(self
, min_player
)
1449 local specific_runaway
= function(list
, what
)
1451 -- no list so do not run
1456 -- found entity on list to attack?
1457 for no
= 1, #list
do
1459 if list
[no
] == what
then
1468 -- find someone to runaway from
1469 local runaway_from
= function(self
)
1471 if not self
.runaway_from
then
1475 local s
= self
.object
:get_pos()
1477 local player
, obj
, min_player
1478 local type, name
= "", ""
1479 local min_dist
= self
.view_range
+ 1
1480 local objs
= minetest
.get_objects_inside_radius(s
, self
.view_range
)
1484 if objs
[n
]:is_player() then
1486 if mobs
.invis
[ objs
[n
]:get_player_name() ]
1487 or self
.owner
== objs
[n
]:get_player_name() then
1496 obj
= objs
[n
]:get_luaentity()
1501 name
= obj
.name
or ""
1505 -- find specific mob to runaway from
1506 if name
~= "" and name
~= self
.name
1507 and specific_runaway(self
.runaway_from
, name
) then
1509 p
= player
:get_pos()
1512 -- aim higher to make looking up hills more realistic
1516 dist
= get_distance(p
, s
)
1519 -- choose closest player/mpb to runaway from
1521 and line_of_sight(self
, sp
, p
, 2) == true then
1530 local lp
= player
:get_pos()
1537 local yaw
= (atan(vec
.z
/ vec
.x
) + 3 * pi
/ 2) - self
.rotate
1543 yaw
= set_yaw(self
, yaw
, 4)
1544 self
.state
= "runaway"
1545 self
.runaway_timer
= 3
1546 self
.following
= nil
1551 -- follow player if owner or holding item, if fish outta water then flop
1552 local follow_flop
= function(self
)
1554 -- find player to follow
1555 if (self
.follow
~= ""
1556 or self
.order
== "follow")
1557 and not self
.following
1558 and self
.state
~= "attack"
1559 and self
.state
~= "runaway" then
1561 local s
= self
.object
:get_pos()
1562 local players
= minetest
.get_connected_players()
1564 for n
= 1, #players
do
1566 if get_distance(players
[n
]:get_pos(), s
) < self
.view_range
1567 and not mobs
.invis
[ players
[n
]:get_player_name() ] then
1569 self
.following
= players
[n
]
1576 if self
.type == "npc"
1577 and self
.order
== "follow"
1578 and self
.state
~= "attack"
1579 and self
.owner
~= "" then
1581 -- npc stop following player if not owner
1584 and self
.owner
~= self
.following
:get_player_name() then
1585 self
.following
= nil
1588 -- stop following player if not holding specific item
1590 and self
.following
:is_player()
1591 and follow_holding(self
, self
.following
) == false then
1592 self
.following
= nil
1597 -- follow that thing
1598 if self
.following
then
1600 local s
= self
.object
:get_pos()
1603 if self
.following
:is_player() then
1605 p
= self
.following
:get_pos()
1607 elseif self
.following
.object
then
1609 p
= self
.following
.object
:get_pos()
1614 local dist
= get_distance(p
, s
)
1616 -- dont follow if out of range
1617 if dist
> self
.view_range
then
1618 self
.following
= nil
1625 local yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
1627 if p
.x
> s
.x
then yaw
= yaw
+ pi
end
1629 yaw
= set_yaw(self
, yaw
, 6)
1631 -- anyone but standing npc's can move along
1632 if dist
> self
.reach
1633 and self
.order
~= "stand" then
1635 set_velocity(self
, self
.walk_velocity
)
1637 if self
.walk_chance
~= 0 then
1638 set_animation(self
, "walk")
1641 set_velocity(self
, 0)
1642 set_animation(self
, "stand")
1650 -- swimmers flop when out of their element, and swim again when back in
1652 local s
= self
.object
:get_pos()
1653 if not flight_check(self
, s
) then
1656 self
.object
:setvelocity({x
= 0, y
= -5, z
= 0})
1658 set_animation(self
, "stand")
1661 elseif self
.state
== "flop" then
1662 self
.state
= "stand"
1668 -- dogshoot attack switch and counter function
1669 local dogswitch
= function(self
, dtime
)
1671 -- switch mode not activated
1672 if not self
.dogshoot_switch
1677 self
.dogshoot_count
= self
.dogshoot_count
+ dtime
1679 if (self
.dogshoot_switch
== 1
1680 and self
.dogshoot_count
> self
.dogshoot_count_max
)
1681 or (self
.dogshoot_switch
== 2
1682 and self
.dogshoot_count
> self
.dogshoot_count2_max
) then
1684 self
.dogshoot_count
= 0
1686 if self
.dogshoot_switch
== 1 then
1687 self
.dogshoot_switch
= 2
1689 self
.dogshoot_switch
= 1
1693 return self
.dogshoot_switch
1697 -- execute current state (stand, walk, run, attacks)
1698 local do_states
= function(self
, dtime
)
1700 local yaw
= self
.object
:get_yaw() or 0
1702 if self
.state
== "stand" then
1704 if random(1, 4) == 1 then
1707 local s
= self
.object
:get_pos()
1708 local objs
= minetest
.get_objects_inside_radius(s
, 3)
1712 if objs
[n
]:is_player() then
1713 lp
= objs
[n
]:get_pos()
1718 -- look at any players nearby, otherwise turn randomly
1726 yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
1728 if lp
.x
> s
.x
then yaw
= yaw
+ pi
end
1730 yaw
= yaw
+ random(-0.5, 0.5)
1733 yaw
= set_yaw(self
, yaw
, 8)
1736 set_velocity(self
, 0)
1737 set_animation(self
, "stand")
1739 -- npc's ordered to stand stay standing
1740 if self
.type ~= "npc"
1741 or self
.order
~= "stand" then
1743 if self
.walk_chance
~= 0
1744 and self
.facing_fence
~= true
1745 and random(1, 100) <= self
.walk_chance
1746 and is_at_cliff(self
) == false then
1748 set_velocity(self
, self
.walk_velocity
)
1750 set_animation(self
, "walk")
1752 --[[ fly up/down randomly for flying mobs
1753 if self.fly and random(1, 100) <= self.walk_chance then
1755 local v = self.object:getvelocity()
1756 local ud = random(-1, 2) / 9
1758 self.object:setvelocity({x = v.x, y = ud, z = v.z})
1763 elseif self
.state
== "walk" then
1765 local s
= self
.object
:get_pos()
1768 -- is there something I need to avoid?
1769 if self
.water_damage
> 0
1770 and self
.lava_damage
> 0 then
1772 lp
= minetest
.find_node_near(s
, 1, {"group:water", "group:lava"})
1774 elseif self
.water_damage
> 0 then
1776 lp
= minetest
.find_node_near(s
, 1, {"group:water"})
1778 elseif self
.lava_damage
> 0 then
1780 lp
= minetest
.find_node_near(s
, 1, {"group:lava"})
1785 -- if mob in water or lava then look for land
1786 if (self
.lava_damage
1787 and minetest
.registered_nodes
[self
.standing_in
].groups
.lava
)
1788 or (self
.water_damage
1789 and minetest
.registered_nodes
[self
.standing_in
].groups
.water
) then
1791 lp
= minetest
.find_node_near(s
, 5, {"group:soil", "group:stone",
1792 "group:sand", node_ice
, node_snowblock
})
1794 -- did we find land?
1802 yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
1804 if lp
.x
> s
.x
then yaw
= yaw
+ pi
end
1806 -- look towards land and jump/move in that direction
1807 yaw
= set_yaw(self
, yaw
, 6)
1809 set_velocity(self
, self
.walk_velocity
)
1811 yaw
= yaw
+ random(-0.5, 0.5)
1821 yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
1823 if lp
.x
> s
.x
then yaw
= yaw
+ pi
end
1826 yaw
= set_yaw(self
, yaw
, 8)
1828 -- otherwise randomly turn
1829 elseif random(1, 100) <= 30 then
1831 yaw
= yaw
+ random(-0.5, 0.5)
1833 yaw
= set_yaw(self
, yaw
, 8)
1836 -- stand for great fall in front
1837 local temp_is_cliff
= is_at_cliff(self
)
1839 if self
.facing_fence
== true
1841 or random(1, 100) <= 30 then
1843 set_velocity(self
, 0)
1844 self
.state
= "stand"
1845 set_animation(self
, "stand")
1847 set_velocity(self
, self
.walk_velocity
)
1849 if flight_check(self
)
1851 and self
.animation
.fly_start
1852 and self
.animation
.fly_end
then
1853 set_animation(self
, "fly")
1855 set_animation(self
, "walk")
1859 -- runaway when punched
1860 elseif self
.state
== "runaway" then
1862 self
.runaway_timer
= self
.runaway_timer
+ 1
1864 -- stop after 5 seconds or when at cliff
1865 if self
.runaway_timer
> 5
1866 or is_at_cliff(self
) then
1867 self
.runaway_timer
= 0
1868 set_velocity(self
, 0)
1869 self
.state
= "stand"
1870 set_animation(self
, "stand")
1872 set_velocity(self
, self
.run_velocity
)
1873 set_animation(self
, "walk")
1876 -- attack routines (explode, dogfight, shoot, dogshoot)
1877 elseif self
.state
== "attack" then
1879 -- calculate distance from mob and enemy
1880 local s
= self
.object
:get_pos()
1881 local p
= self
.attack
:get_pos() or s
1882 local dist
= get_distance(p
, s
)
1884 -- stop attacking if player invisible or out of range
1885 if dist
> self
.view_range
1887 or not self
.attack
:get_pos()
1888 or self
.attack
:get_hp() <= 0
1889 or (self
.attack
:is_player() and mobs
.invis
[ self
.attack
:get_player_name() ]) then
1891 -- print(" ** stop attacking **", dist, self.view_range)
1892 self
.state
= "stand"
1893 set_velocity(self
, 0)
1894 set_animation(self
, "stand")
1896 self
.v_start
= false
1904 if self
.attack_type
== "explode" then
1911 yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
1913 if p
.x
> s
.x
then yaw
= yaw
+ pi
end
1915 yaw
= set_yaw(self
, yaw
)
1917 local node_break_radius
= self
.explosion_radius
or 1
1918 local entity_damage_radius
= self
.explosion_damage_radius
1919 or (node_break_radius
* 2)
1921 -- start timer when in reach and line of sight
1923 and dist
<= self
.reach
1924 and line_of_sight(self
, s
, p
, 2) then
1929 mob_sound(self
, self
.sounds
.fuse
)
1930 -- print ("=== explosion timer started", self.explosion_timer)
1932 -- stop timer if out of reach or direct line of sight
1933 elseif self
.allow_fuse_reset
1935 and (dist
> self
.reach
1936 or not line_of_sight(self
, s
, p
, 2)) then
1937 self
.v_start
= false
1940 self
.blinkstatus
= false
1941 self
.object
:settexturemod("")
1944 -- walk right up to player unless the timer is active
1945 if self
.v_start
and (self
.stop_to_explode
or dist
< 1.5) then
1946 set_velocity(self
, 0)
1948 set_velocity(self
, self
.run_velocity
)
1951 if self
.animation
and self
.animation
.run_start
then
1952 set_animation(self
, "run")
1954 set_animation(self
, "walk")
1957 if self
.v_start
then
1959 self
.timer
= self
.timer
+ dtime
1960 self
.blinktimer
= (self
.blinktimer
or 0) + dtime
1962 if self
.blinktimer
> 0.2 then
1966 if self
.blinkstatus
then
1967 self
.object
:settexturemod("")
1969 self
.object
:settexturemod("^[brighten")
1972 self
.blinkstatus
= not self
.blinkstatus
1975 -- print ("=== explosion timer", self.timer)
1977 if self
.timer
> self
.explosion_timer
then
1979 local pos
= self
.object
:get_pos()
1981 -- dont damage anything if area protected or next to water
1982 if minetest
.find_node_near(pos
, 1, {"group:water"})
1983 or minetest
.is_protected(pos
, "") then
1985 node_break_radius
= 1
1988 self
.object
:remove()
1990 if mod_tnt
and tnt
and tnt
.boom
1991 and not minetest
.is_protected(pos
, "") then
1994 radius
= node_break_radius
,
1995 damage_radius
= entity_damage_radius
,
1996 sound
= self
.sounds
.explode
,
2000 minetest
.sound_play(self
.sounds
.explode
, {
2003 max_hear_distance
= self
.sounds
.distance
or 32
2006 entity_physics(pos
, entity_damage_radius
)
2007 effect(pos
, 32, "tnt_smoke.png", nil, nil, node_break_radius
, 1, 0)
2014 elseif self
.attack_type
== "dogfight"
2015 or (self
.attack_type
== "dogshoot" and dogswitch(self
, dtime
) == 2)
2016 or (self
.attack_type
== "dogshoot" and dist
<= self
.reach
and dogswitch(self
) == 0) then
2019 and dist
> self
.reach
then
2022 local me_y
= floor(p1
.y
)
2024 local p_y
= floor(p2
.y
+ 1)
2025 local v
= self
.object
:getvelocity()
2027 if flight_check(self
, s
) then
2031 self
.object
:setvelocity({
2033 y
= 1 * self
.walk_velocity
,
2037 elseif me_y
> p_y
then
2039 self
.object
:setvelocity({
2041 y
= -1 * self
.walk_velocity
,
2048 self
.object
:setvelocity({
2054 elseif me_y
> p_y
then
2056 self
.object
:setvelocity({
2066 -- rnd: new movement direction
2067 if self
.path
.following
2069 and self
.attack_type
~= "dogshoot" then
2071 -- no paths longer than 50
2072 if #self
.path
.way
> 50
2073 or dist
< self
.reach
then
2074 self
.path
.following
= false
2078 local p1
= self
.path
.way
[1]
2081 self
.path
.following
= false
2085 if abs(p1
.x
-s
.x
) + abs(p1
.z
- s
.z
) < 0.6 then
2086 -- reached waypoint, remove it from queue
2087 table.remove(self
.path
.way
, 1)
2090 -- set new temporary target
2091 p
= {x
= p1
.x
, y
= p1
.y
, z
= p1
.z
}
2099 yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
2101 if p
.x
> s
.x
then yaw
= yaw
+ pi
end
2103 yaw
= set_yaw(self
, yaw
)
2105 -- move towards enemy if beyond mob reach
2106 if dist
> self
.reach
then
2108 -- path finding by rnd
2109 if self
.pathfinding
-- only if mob has pathfinding enabled
2110 and enable_pathfinding
then
2112 smart_mobs(self
, s
, p
, dist
, dtime
)
2115 if is_at_cliff(self
) then
2117 set_velocity(self
, 0)
2118 set_animation(self
, "stand")
2121 if self
.path
.stuck
then
2122 set_velocity(self
, self
.walk_velocity
)
2124 set_velocity(self
, self
.run_velocity
)
2127 if self
.animation
and self
.animation
.run_start
then
2128 set_animation(self
, "run")
2130 set_animation(self
, "walk")
2134 else -- rnd: if inside reach range
2136 self
.path
.stuck
= false
2137 self
.path
.stuck_timer
= 0
2138 self
.path
.following
= false -- not stuck anymore
2140 set_velocity(self
, 0)
2142 if not self
.custom_attack
then
2144 if self
.timer
> 1 then
2148 if self
.double_melee_attack
2149 and random(1, 2) == 1 then
2150 set_animation(self
, "punch2")
2152 set_animation(self
, "punch")
2161 if line_of_sight(self
, p2
, s2
) == true then
2163 -- play attack sound
2164 mob_sound(self
, self
.sounds
.attack
)
2166 -- punch player (or what player is attached to)
2167 local attached
= self
.attack
:get_attach()
2169 self
.attack
= attached
2171 self
.attack
:punch(self
.object
, 1.0, {
2172 full_punch_interval
= 1.0,
2173 damage_groups
= {fleshy
= self
.damage
}
2177 else -- call custom attack every second
2178 if self
.custom_attack
2179 and self
.timer
> 1 then
2183 self
.custom_attack(self
, p
)
2188 elseif self
.attack_type
== "shoot"
2189 or (self
.attack_type
== "dogshoot" and dogswitch(self
, dtime
) == 1)
2190 or (self
.attack_type
== "dogshoot" and dist
> self
.reach
and dogswitch(self
) == 0) then
2195 local dist
= get_distance(p
, s
)
2202 yaw
= (atan(vec
.z
/ vec
.x
) + pi
/ 2) - self
.rotate
2204 if p
.x
> s
.x
then yaw
= yaw
+ pi
end
2206 yaw
= set_yaw(self
, yaw
)
2208 set_velocity(self
, 0)
2210 if self
.shoot_interval
2211 and self
.timer
> self
.shoot_interval
2212 and random(1, 100) <= 60 then
2215 set_animation(self
, "shoot")
2217 -- play shoot attack sound
2218 mob_sound(self
, self
.sounds
.shoot_attack
)
2220 local p
= self
.object
:get_pos()
2222 p
.y
= p
.y
+ (self
.collisionbox
[2] + self
.collisionbox
[5]) / 2
2224 if minetest
.registered_entities
[self
.arrow
] then
2226 local obj
= minetest
.add_entity(p
, self
.arrow
)
2227 local ent
= obj
:get_luaentity()
2228 local amount
= (vec
.x
* vec
.x
+ vec
.y
* vec
.y
+ vec
.z
* vec
.z
) ^
0.5
2229 local v
= ent
.velocity
or 1 -- or set to default
2232 ent
.owner_id
= tostring(self
.object
) -- add unique owner id to arrow
2234 -- offset makes shoot aim accurate
2235 vec
.y
= vec
.y
+ self
.shoot_offset
2236 vec
.x
= vec
.x
* (v
/ amount
)
2237 vec
.y
= vec
.y
* (v
/ amount
)
2238 vec
.z
= vec
.z
* (v
/ amount
)
2240 obj
:setvelocity(vec
)
2248 -- falling and fall damage
2249 local falling
= function(self
, pos
)
2255 -- floating in water (or falling)
2256 local v
= self
.object
:getvelocity()
2260 -- apply gravity when moving up
2261 self
.object
:setacceleration({
2267 elseif v
.y
<= 0 and v
.y
> self
.fall_speed
then
2269 -- fall downwards at set speed
2270 self
.object
:setacceleration({
2272 y
= self
.fall_speed
,
2276 -- stop accelerating once max fall speed hit
2277 self
.object
:setacceleration({x
= 0, y
= 0, z
= 0})
2280 -- in water then float up
2281 if minetest
.registered_nodes
[node_ok(pos
).name
].groups
.water
then
2283 if self
.floats
== 1 then
2285 self
.object
:setacceleration({
2287 y
= -self
.fall_speed
/ (max(1, v
.y
) ^
2),
2293 -- fall damage onto solid ground
2294 if self
.fall_damage
== 1
2295 and self
.object
:getvelocity().y
== 0 then
2297 local d
= (self
.old_y
or 0) - self
.object
:get_pos().y
2301 self
.health
= self
.health
- floor(d
- 5)
2303 effect(pos
, 5, "tnt_smoke.png", 1, 2, 2, nil)
2305 if check_for_death(self
, "fall", {type = "fall"}) then
2310 self
.old_y
= self
.object
:get_pos().y
2316 -- deal damage and effects when mob punched
2317 local mob_punch
= function(self
, hitter
, tflp
, tool_capabilities
, dir
)
2319 -- custom punch function
2320 if self
.do_punch
then
2322 -- when false skip going any further
2323 if self
.do_punch(self
, hitter
, tflp
, tool_caps
, dir
) == false then
2329 -- if self.health <= 0 then
2333 -- error checking when mod profiling is enabled
2334 if not tool_capabilities
then
2335 minetest
.log("warning", "[mobs] Mod profiling enabled, damage not enabled")
2339 -- is mob protected?
2340 if self
.protected
and hitter
:is_player()
2341 and minetest
.is_protected(self
.object
:get_pos(), hitter
:get_player_name()) then
2342 minetest
.chat_send_player(hitter
:get_player_name(), S("Mob has been protected!"))
2348 local weapon
= hitter
:get_wielded_item()
2349 local punch_interval
= 1.4
2351 -- calculate mob damage
2353 local armor
= self
.object
:get_armor_groups() or {}
2356 -- quick error check incase it ends up 0 (serialize.h check test)
2362 damage
= cmi
.calculate_damage(self
.object
, hitter
, tflp
, tool_capabilities
, dir
)
2365 for group
,_
in pairs( (tool_capabilities
.damage_groups
or {}) ) do
2367 tmp
= tflp
/ (tool_capabilities
.full_punch_interval
or 1.4)
2375 damage
= damage
+ (tool_capabilities
.damage_groups
[group
] or 0)
2376 * tmp
* ((armor
[group
] or 0) / 100.0)
2380 -- check for tool immunity or special damage
2381 for n
= 1, #self
.immune_to
do
2383 if self
.immune_to
[n
][1] == weapon
:get_name() then
2385 damage
= self
.immune_to
[n
][2] or 0
2391 if damage
<= -1 then
2392 self
.health
= self
.health
- floor(damage
)
2396 -- print ("Mob Damage is", damage)
2400 local cancel
= cmi
.notify_punch(self
.object
, hitter
, tflp
, tool_capabilities
, dir
, damage
)
2402 if cancel
then return end
2406 if tool_capabilities
then
2407 punch_interval
= tool_capabilities
.full_punch_interval
or 1.4
2410 if weapon
:get_definition()
2411 and weapon
:get_definition().tool_capabilities
then
2413 weapon
:add_wear(floor((punch_interval
/ 75) * 9000))
2414 hitter
:set_wielded_item(weapon
)
2417 -- only play hit sound and show blood effects if damage is 1 or over
2421 if weapon
:get_definition().sounds
~= nil then
2423 local s
= random(0, #weapon
:get_definition().sounds
)
2425 minetest
.sound_play(weapon
:get_definition().sounds
[s
], {
2426 object
= self
.object
, --hitter,
2427 max_hear_distance
= 8
2430 minetest
.sound_play("default_punch", {
2431 object
= self
.object
, --hitter,
2432 max_hear_distance
= 5
2437 if self
.blood_amount
> 0
2438 and not disable_blood
then
2440 local pos
= self
.object
:get_pos()
2442 pos
.y
= pos
.y
+ (-self
.collisionbox
[2] + self
.collisionbox
[5]) * .5
2444 -- do we have a single blood texture or multiple?
2445 if type(self
.blood_texture
) == "table" then
2447 local blood
= self
.blood_texture
[random(1, #self
.blood_texture
)]
2449 effect(pos
, self
.blood_amount
, blood
, nil, nil, 1, nil)
2451 effect(pos
, self
.blood_amount
, self
.blood_texture
, nil, nil, 1, nil)
2456 self
.health
= self
.health
- floor(damage
)
2458 -- exit here if dead, special item check
2459 if weapon
:get_name() == "mobs:pick_lava" then
2460 if check_for_death(self
, "lava", {type = "punch",
2461 puncher
= hitter
}) then
2465 if check_for_death(self
, "hit", {type = "punch",
2466 puncher
= hitter
}) then
2471 --[[ add healthy afterglow when hit (can cause hit lag with larger textures)
2472 core.after(0.1, function()
2473 self.object:settexturemod("^[colorize:#c9900070")
2475 core.after(0.3, function()
2476 self.object:settexturemod("")
2480 -- knock back effect (only on full punch)
2482 and tflp
>= punch_interval
then
2484 local v
= self
.object
:getvelocity()
2485 local r
= 1.4 - min(punch_interval
, 1.4)
2489 -- if already in air then dont go up anymore when hit
2495 -- direction error check
2496 dir
= dir
or {x
= 0, y
= 0, z
= 0}
2498 -- check if tool already has specific knockback value
2499 if tool_capabilities
.damage_groups
["knockback"] then
2500 kb
= tool_capabilities
.damage_groups
["knockback"]
2505 self
.object
:setvelocity({
2511 self
.pause_timer
= 0.25
2513 end -- END if damage
2515 -- if skittish then run away
2516 if self
.runaway
== true then
2518 local lp
= hitter
:get_pos()
2519 local s
= self
.object
:get_pos()
2526 local yaw
= (atan(vec
.z
/ vec
.x
) + 3 * pi
/ 2) - self
.rotate
2532 yaw
= set_yaw(self
, yaw
, 6)
2533 self
.state
= "runaway"
2534 self
.runaway_timer
= 0
2535 self
.following
= nil
2538 local name
= hitter
:get_player_name() or ""
2540 -- attack puncher and call other mobs for help
2541 if self
.passive
== false
2542 and self
.state
~= "flop"
2543 and self
.child
== false
2544 and hitter
:get_player_name() ~= self
.owner
2545 and not mobs
.invis
[ name
] then
2547 -- attack whoever punched mob
2549 do_attack(self
, hitter
)
2551 -- alert others to the attack
2552 local objs
= minetest
.get_objects_inside_radius(hitter
:get_pos(), self
.view_range
)
2557 obj
= objs
[n
]:get_luaentity()
2561 -- only alert members of same mob
2562 if obj
.group_attack
== true
2563 and obj
.state
~= "attack"
2564 and obj
.owner
~= name
2565 and obj
.name
== self
.name
then
2566 do_attack(obj
, hitter
)
2569 -- have owned mobs attack player threat
2570 if obj
.owner
== name
and obj
.owner_loyal
then
2571 do_attack(obj
, self
.object
)
2579 -- get entity staticdata
2580 local mob_staticdata
= function(self
)
2582 -- remove mob when out of range unless tamed
2585 and self
.type ~= "npc"
2586 and self
.state
~= "attack"
2588 and self
.lifetimer
< 20000 then
2590 --print ("REMOVED " .. self.name)
2592 self
.object
:remove()
2597 self
.remove_ok
= true
2599 self
.following
= nil
2600 self
.state
= "stand"
2602 -- used to rotate older mobs
2604 and self
.drawtype
== "side" then
2605 self
.rotate
= math
.rad(90)
2609 self
.serialized_cmi_components
= cmi
.serialize_components(self
._cmi_components
)
2614 for _
,stat
in pairs(self
) do
2616 local t
= type(stat
)
2621 and _
~= "_cmi_components" then
2626 --print('===== '..self.name..'\n'.. dump(tmp)..'\n=====\n')
2627 return minetest
.serialize(tmp
)
2631 -- activate mob and reload settings
2632 local mob_activate
= function(self
, staticdata
, def
, dtime
)
2634 -- remove monsters in peaceful mode
2635 if self
.type == "monster"
2636 and peaceful_only
then
2638 self
.object
:remove()
2643 -- load entity variables
2644 local tmp
= minetest
.deserialize(staticdata
)
2647 for _
,stat
in pairs(tmp
) do
2652 -- select random texture, set model and size
2653 if not self
.base_texture
then
2655 -- compatiblity with old simple mobs textures
2656 if type(def
.textures
[1]) == "string" then
2657 def
.textures
= {def
.textures
}
2660 self
.base_texture
= def
.textures
[random(1, #def
.textures
)]
2661 self
.base_mesh
= def
.mesh
2662 self
.base_size
= self
.visual_size
2663 self
.base_colbox
= self
.collisionbox
2664 self
.base_selbox
= self
.selectionbox
2667 -- for current mobs that dont have this set
2668 if not self
.base_selbox
then
2669 self
.base_selbox
= self
.selectionbox
or self
.base_colbox
2672 -- set texture, model and size
2673 local textures
= self
.base_texture
2674 local mesh
= self
.base_mesh
2675 local vis_size
= self
.base_size
2676 local colbox
= self
.base_colbox
2677 local selbox
= self
.base_selbox
2679 -- specific texture if gotten
2680 if self
.gotten
== true
2681 and def
.gotten_texture
then
2682 textures
= def
.gotten_texture
2685 -- specific mesh if gotten
2686 if self
.gotten
== true
2687 and def
.gotten_mesh
then
2688 mesh
= def
.gotten_mesh
2691 -- set child objects to half size
2692 if self
.child
== true then
2695 x
= self
.base_size
.x
* .5,
2696 y
= self
.base_size
.y
* .5,
2699 if def
.child_texture
then
2700 textures
= def
.child_texture
[1]
2704 self
.base_colbox
[1] * .5,
2705 self
.base_colbox
[2] * .5,
2706 self
.base_colbox
[3] * .5,
2707 self
.base_colbox
[4] * .5,
2708 self
.base_colbox
[5] * .5,
2709 self
.base_colbox
[6] * .5
2712 self
.base_selbox
[1] * .5,
2713 self
.base_selbox
[2] * .5,
2714 self
.base_selbox
[3] * .5,
2715 self
.base_selbox
[4] * .5,
2716 self
.base_selbox
[5] * .5,
2717 self
.base_selbox
[6] * .5
2721 if self
.health
== 0 then
2722 self
.health
= random (self
.hp_min
, self
.hp_max
)
2727 self
.path
.way
= {} -- path to follow, table of positions
2728 self
.path
.lastpos
= {x
= 0, y
= 0, z
= 0}
2729 self
.path
.stuck
= false
2730 self
.path
.following
= false -- currently following path?
2731 self
.path
.stuck_timer
= 0 -- if stuck for too long search for path
2734 self
.object
:set_armor_groups({immortal
= 1, fleshy
= self
.armor
})
2735 self
.old_y
= self
.object
:get_pos().y
2736 self
.old_health
= self
.health
2737 self
.sounds
.distance
= self
.sounds
.distance
or 10
2738 self
.textures
= textures
2740 self
.collisionbox
= colbox
2741 self
.selectionbox
= selbox
2742 self
.visual_size
= vis_size
2743 self
.standing_in
= ""
2745 -- check existing nametag
2746 if not self
.nametag
then
2747 self
.nametag
= def
.nametag
2750 -- set anything changed above
2751 self
.object
:set_properties(self
)
2752 set_yaw(self
, (random(0, 360) - 180) / 180 * pi
, 6)
2754 set_animation(self
, "stand")
2756 -- run on_spawn function if found
2757 if self
.on_spawn
and not self
.on_spawn_run
then
2758 if self
.on_spawn(self
) then
2759 self
.on_spawn_run
= true -- if true, set flag to run once only
2763 -- run after_activate
2764 if def
.after_activate
then
2765 def
.after_activate(self
, staticdata
, def
, dtime
)
2769 self
._cmi_components
= cmi
.activate_components(self
.serialized_cmi_components
)
2770 cmi
.notify_activate(self
.object
, dtime
)
2775 -- main mob function
2776 local mob_step
= function(self
, dtime
)
2779 cmi
.notify_step(self
.object
, dtime
)
2782 local pos
= self
.object
:get_pos()
2785 -- when lifetimer expires remove mob (except npc and tamed)
2786 if self
.type ~= "npc"
2788 and self
.state
~= "attack"
2789 and remove_far
~= true
2790 and self
.lifetimer
< 20000 then
2792 self
.lifetimer
= self
.lifetimer
- dtime
2794 if self
.lifetimer
<= 0 then
2796 -- only despawn away from player
2797 local objs
= minetest
.get_objects_inside_radius(pos
, 15)
2801 if objs
[n
]:is_player() then
2809 -- minetest.log("action",
2810 -- S("lifetimer expired, removed @1", self.name))
2812 effect(pos
, 15, "tnt_smoke.png", 2, 4, 2, 0)
2814 self
.object
:remove()
2822 -- smooth rotation by ThomasMonroe314
2824 if self
.delay
and self
.delay
> 0 then
2826 local yaw
= self
.object
:get_yaw()
2828 if self
.delay
== 1 then
2829 yaw
= self
.target_yaw
2831 local dif
= abs(yaw
- self
.target_yaw
)
2833 if yaw
> self
.target_yaw
then
2836 dif
= 2 * pi
- dif
-- need to add
2837 yaw
= yaw
+ dif
/ self
.delay
2839 yaw
= yaw
- dif
/ self
.delay
-- need to subtract
2842 elseif yaw
< self
.target_yaw
then
2846 yaw
= yaw
- dif
/ self
.delay
-- need to subtract
2848 yaw
= yaw
+ dif
/ self
.delay
-- need to add
2852 if yaw
> (pi
* 2) then yaw
= yaw
- (pi
* 2) end
2853 if yaw
< 0 then yaw
= yaw
+ (pi
* 2) end
2856 self
.delay
= self
.delay
- 1
2857 self
.object
:set_yaw(yaw
)
2863 if self
.pause_timer
> 0 then
2865 self
.pause_timer
= self
.pause_timer
- dtime
2870 -- run custom function (defined in mob lua file)
2871 if self
.do_custom
then
2873 -- when false skip going any further
2874 if self
.do_custom(self
, dtime
) == false then
2880 self
.timer
= self
.timer
+ dtime
2882 if self
.state
~= "attack" then
2884 if self
.timer
< 1 then
2891 -- never go over 100
2892 if self
.timer
> 100 then
2896 -- mob plays random sound at times
2897 if random(1, 100) == 1 then
2898 mob_sound(self
, self
.sounds
.random)
2901 -- environmental damage timer (every 1 second)
2902 self
.env_damage_timer
= self
.env_damage_timer
+ dtime
2904 if (self
.state
== "attack" and self
.env_damage_timer
> 1)
2905 or self
.state
~= "attack" then
2907 self
.env_damage_timer
= 0
2909 -- check for environmental damage (water, fire, lava etc.)
2912 -- node replace check (cow eats grass etc.)
2916 monster_attack(self
)
2924 do_states(self
, dtime
)
2933 -- default function when mobs are blown up with TNT
2934 local do_tnt
= function(obj
, damage
)
2936 --print ("----- Damage", damage)
2938 obj
.object
:punch(obj
.object
, 1.0, {
2939 full_punch_interval
= 1.0,
2940 damage_groups
= {fleshy
= damage
},
2943 return false, true, {}
2947 mobs
.spawning_mobs
= {}
2949 -- Code to execute before custom on_rightclick handling
2950 local on_rightclick_prefix
= function(self
, clicker
)
2951 local item
= clicker
:get_wielded_item()
2953 -- Name mob with nametag
2954 if not self
.ignores_nametag
and item
:get_name() == "mobs:nametag" then
2956 local tag = item
:get_meta():get_string("name")
2958 if string.len(tag) > MAX_MOB_NAME_LENGTH
then
2959 tag = string.sub(tag, 1, MAX_MOB_NAME_LENGTH
)
2965 if not mobs
.is_creative(name
) then
2967 player
:set_wielded_item(item
)
2976 local create_mob_on_rightclick
= function(on_rightclick
)
2977 return function(self
, clicker
)
2978 local stop
= on_rightclick_prefix(self
, clicker
)
2979 if (not stop
) and (on_rightclick
) then
2980 on_rightclick(self
, clicker
)
2985 -- register mob entity
2986 function mobs
:register_mob(name
, def
)
2988 mobs
.spawning_mobs
[name
] = true
2990 minetest
.register_entity(name
, {
2992 stepheight
= def
.stepheight
or 1.1, -- was 0.6
2995 attack_type
= def
.attack_type
,
2997 fly_in
= def
.fly_in
or "air",
2998 owner
= def
.owner
or "",
2999 order
= def
.order
or "",
3000 on_die
= def
.on_die
,
3001 do_custom
= def
.do_custom
,
3002 jump_height
= def
.jump_height
or 4, -- was 6
3003 drawtype
= def
.drawtype
, -- DEPRECATED, use rotate instead
3004 rotate
= math
.rad(def
.rotate
or 0), -- 0=front, 90=side, 180=back, 270=side2
3005 lifetimer
= def
.lifetimer
or 180, -- 3 minutes
3006 hp_min
= max(1, (def
.hp_min
or 5) * difficulty
),
3007 hp_max
= max(1, (def
.hp_max
or 10) * difficulty
),
3009 collisionbox
= def
.collisionbox
or {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25},
3010 selectionbox
= def
.selectionbox
or def
.collisionbox
,
3011 visual
= def
.visual
,
3012 visual_size
= def
.visual_size
or {x
= 1, y
= 1},
3014 makes_footstep_sound
= def
.makes_footstep_sound
or false,
3015 view_range
= def
.view_range
or 5,
3016 walk_velocity
= def
.walk_velocity
or 1,
3017 run_velocity
= def
.run_velocity
or 2,
3018 damage
= max(0, (def
.damage
or 0) * difficulty
),
3019 light_damage
= def
.light_damage
or 0,
3020 water_damage
= def
.water_damage
or 0,
3021 lava_damage
= def
.lava_damage
or 0,
3022 suffocation
= def
.suffocation
or 2,
3023 fall_damage
= def
.fall_damage
or 1,
3024 fall_speed
= def
.fall_speed
or -10, -- must be lower than -2 (default: -10)
3025 drops
= def
.drops
or {},
3026 armor
= def
.armor
or 100,
3027 on_rightclick
= create_mob_on_rightclick(def
.on_rightclick
),
3029 shoot_interval
= def
.shoot_interval
,
3030 sounds
= def
.sounds
or {},
3031 animation
= def
.animation
,
3032 follow
= def
.follow
,
3033 jump
= def
.jump
~= false,
3034 walk_chance
= def
.walk_chance
or 50,
3035 attacks_monsters
= def
.attacks_monsters
or false,
3036 group_attack
= def
.group_attack
or false,
3037 passive
= def
.passive
or false,
3038 knock_back
= def
.knock_back
~= false,
3039 blood_amount
= def
.blood_amount
or 5,
3040 blood_texture
= def
.blood_texture
or "mobs_blood.png",
3041 shoot_offset
= def
.shoot_offset
or 0,
3042 floats
= def
.floats
or 1, -- floats in water by default
3043 replace_rate
= def
.replace_rate
,
3044 replace_what
= def
.replace_what
,
3045 replace_with
= def
.replace_with
,
3046 replace_offset
= def
.replace_offset
or 0,
3047 on_replace
= def
.on_replace
,
3049 env_damage_timer
= 0, -- only used when state = "attack"
3057 reach
= def
.reach
or 3,
3059 texture_list
= def
.textures
,
3060 child_texture
= def
.child_texture
,
3061 docile_by_day
= def
.docile_by_day
or false,
3063 fear_height
= def
.fear_height
or 0,
3064 runaway
= def
.runaway
,
3066 pathfinding
= def
.pathfinding
,
3067 immune_to
= def
.immune_to
or {},
3068 explosion_radius
= def
.explosion_radius
,
3069 explosion_damage_radius
= def
.explosion_damage_radius
,
3070 explosion_timer
= def
.explosion_timer
or 3,
3071 allow_fuse_reset
= def
.allow_fuse_reset
~= false,
3072 stop_to_explode
= def
.stop_to_explode
~= false,
3073 custom_attack
= def
.custom_attack
,
3074 double_melee_attack
= def
.double_melee_attack
,
3075 dogshoot_switch
= def
.dogshoot_switch
,
3077 dogshoot_count_max
= def
.dogshoot_count_max
or 5,
3078 dogshoot_count2_max
= def
.dogshoot_count2_max
or (def
.dogshoot_count_max
or 5),
3079 attack_animals
= def
.attack_animals
or false,
3080 specific_attack
= def
.specific_attack
,
3081 runaway_from
= def
.runaway_from
,
3082 owner_loyal
= def
.owner_loyal
,
3083 facing_fence
= false,
3087 ignores_nametag
= def
.ignores_nametag
or false,
3088 rain_damage
= def
.rain_damage
or 0,
3090 on_spawn
= def
.on_spawn
,
3092 on_blast
= def
.on_blast
or do_tnt
,
3096 do_punch
= def
.do_punch
,
3098 on_punch
= mob_punch
,
3100 on_breed
= def
.on_breed
,
3102 on_grown
= def
.on_grown
,
3104 on_activate
= function(self
, staticdata
, dtime
)
3105 return mob_activate(self
, staticdata
, def
, dtime
)
3108 get_staticdata
= function(self
)
3109 return mob_staticdata(self
)
3114 end -- END mobs:register_mob function
3117 -- count how many mobs of one type are inside an area
3118 local count_mobs
= function(pos
, type)
3122 local objs
= minetest
.get_objects_inside_radius(pos
, aoc_range
)
3126 if not objs
[n
]:is_player() then
3128 local obj
= objs
[n
]:get_luaentity()
3130 -- count mob type and add to total also
3131 if obj
and obj
.name
and obj
.name
== type then
3133 num_type
= num_type
+ 1
3134 num_total
= num_total
+ 1
3136 -- add to total mobs
3137 elseif obj
and obj
.name
and obj
.health
~= nil then
3139 num_total
= num_total
+ 1
3144 return num_type
, num_total
3150 function mobs
:spawn_abm_check(pos
, node
, name
)
3151 -- global function to add additional spawn checks
3152 -- return true to stop spawning mob
3156 function mobs
:spawn_specific(name
, nodes
, neighbors
, min_light
, max_light
,
3157 interval
, chance
, aoc
, min_height
, max_height
, day_toggle
, on_spawn
)
3159 -- Do mobs spawn at all?
3160 if not mobs_spawn
then
3164 -- chance/spawn number override in minetest.conf for registered mob
3165 local numbers
= minetest
.settings
:get(name
)
3168 numbers
= numbers
:split(",")
3169 chance
= tonumber(numbers
[1]) or chance
3170 aoc
= tonumber(numbers
[2]) or aoc
3173 minetest
.log("warning", string.format("[mobs] %s has spawning disabled", name
))
3177 minetest
.log("action",
3178 string.format("[mobs] Chance setting for %s changed to %s (total: %s)", name
, chance
, aoc
))
3182 minetest
.register_abm({
3184 label
= name
.. " spawning",
3186 neighbors
= neighbors
,
3187 interval
= interval
,
3188 chance
= max(1, (chance
* mob_chance_multiplier
)),
3191 action
= function(pos
, node
, active_object_count
, active_object_count_wider
)
3193 -- is mob actually registered?
3194 if not mobs
.spawning_mobs
[name
]
3195 or not minetest
.registered_entities
[name
] then
3196 --print ("--- mob doesn't exist", name)
3200 -- additional custom checks for spawning mob
3201 if mobs
:spawn_abm_check(pos
, node
, name
) == true then
3205 -- do not spawn if too many of same mob in area
3206 if active_object_count_wider
>= max_per_block
3207 or count_mobs(pos
, name
) >= aoc
then
3208 --print ("--- too many entities", name, aoc, active_object_count_wider)
3212 -- if toggle set to nil then ignore day/night check
3213 if day_toggle
~= nil then
3215 local tod
= (minetest
.get_timeofday() or 0) * 24000
3217 if tod
> 4500 and tod
< 19500 then
3218 -- daylight, but mob wants night
3219 if day_toggle
== false then
3220 --print ("--- mob needs night", name)
3224 -- night time but mob wants day
3225 if day_toggle
== true then
3226 --print ("--- mob needs day", name)
3235 -- only spawn away from player
3236 local objs
= minetest
.get_objects_inside_radius(pos
, 10)
3240 if objs
[n
]:is_player() then
3241 --print ("--- player too close", name)
3246 -- mobs cannot spawn in protected areas when enabled
3247 if not spawn_protected
3248 and minetest
.is_protected(pos
, "") then
3249 --print ("--- inside protected area", name)
3253 -- are we spawning within height limits?
3254 if pos
.y
> max_height
3255 or pos
.y
< min_height
then
3256 --print ("--- height limits not met", name, pos.y)
3260 -- are light levels ok?
3261 local light
= minetest
.get_node_light(pos
)
3263 or light
> max_light
3264 or light
< min_light
then
3265 --print ("--- light limits not met", name, light)
3269 -- do we have enough height clearance to spawn mob?
3270 local ent
= minetest
.registered_entities
[name
]
3271 local height
= max(0, math
.ceil(ent
.collisionbox
[5] - ent
.collisionbox
[2]) - 1)
3273 for n
= 0, height
do
3275 local pos2
= {x
= pos
.x
, y
= pos
.y
+ n
, z
= pos
.z
}
3277 if minetest
.registered_nodes
[node_ok(pos2
).name
].walkable
== true then
3278 --print ("--- inside block", name, node_ok(pos2).name)
3283 -- spawn mob half block higher than ground
3286 local mob
= minetest
.add_entity(pos
, name
)
3288 print ("[mobs] Spawned " .. name .. " at "
3289 .. minetest.pos_to_string(pos) .. " on "
3290 .. node.name .. " near " .. neighbors[1])
3294 local ent
= mob
:get_luaentity()
3303 -- compatibility with older mob registration
3304 function mobs
:register_spawn(name
, nodes
, max_light
, min_light
, chance
, active_object_count
, max_height
, day_toggle
)
3306 mobs
:spawn_specific(name
, nodes
, {"air"}, min_light
, max_light
, 30,
3307 chance
, active_object_count
, -31000, max_height
, day_toggle
)
3311 -- MarkBu's spawn function
3312 function mobs
:spawn(def
)
3314 local name
= def
.name
3315 local nodes
= def
.nodes
or {"group:soil", "group:stone"}
3316 local neighbors
= def
.neighbors
or {"air"}
3317 local min_light
= def
.min_light
or 0
3318 local max_light
= def
.max_light
or 15
3319 local interval
= def
.interval
or 30
3320 local chance
= def
.chance
or 5000
3321 local active_object_count
= def
.active_object_count
or 1
3322 local min_height
= def
.min_height
or -31000
3323 local max_height
= def
.max_height
or 31000
3324 local day_toggle
= def
.day_toggle
3325 local on_spawn
= def
.on_spawn
3327 mobs
:spawn_specific(name
, nodes
, neighbors
, min_light
, max_light
, interval
,
3328 chance
, active_object_count
, min_height
, max_height
, day_toggle
, on_spawn
)
3332 -- register arrow for shoot attack
3333 function mobs
:register_arrow(name
, def
)
3335 if not name
or not def
then return end -- errorcheck
3337 minetest
.register_entity(name
, {
3340 visual
= def
.visual
,
3341 visual_size
= def
.visual_size
,
3342 textures
= def
.textures
,
3343 velocity
= def
.velocity
,
3344 hit_player
= def
.hit_player
,
3345 hit_node
= def
.hit_node
,
3346 hit_mob
= def
.hit_mob
,
3347 drop
= def
.drop
or false, -- drops arrow as registered item when true
3348 collisionbox
= {0, 0, 0, 0, 0, 0}, -- remove box around arrows
3351 owner_id
= def
.owner_id
,
3352 rotate
= def
.rotate
,
3353 automatic_face_movement_dir
= def
.rotate
3354 and (def
.rotate
- (pi
/ 180)) or false,
3356 on_activate
= def
.on_activate
,
3358 on_step
= def
.on_step
or function(self
, dtime
)
3360 self
.timer
= self
.timer
+ 1
3362 local pos
= self
.object
:get_pos()
3366 or not within_limits(pos
, 0) then
3368 self
.object
:remove() ; -- print ("removed arrow")
3373 -- does arrow have a tail (fireball)
3376 and def
.tail_texture
then
3378 minetest
.add_particle({
3380 velocity
= {x
= 0, y
= 0, z
= 0},
3381 acceleration
= {x
= 0, y
= 0, z
= 0},
3382 expirationtime
= def
.expire
or 0.25,
3383 collisiondetection
= false,
3384 texture
= def
.tail_texture
,
3385 size
= def
.tail_size
or 5,
3386 glow
= def
.glow
or 0,
3390 if self
.hit_node
then
3392 local node
= node_ok(pos
).name
3394 if minetest
.registered_nodes
[node
].walkable
then
3396 self
.hit_node(self
, pos
, node
)
3398 if self
.drop
== true then
3402 self
.lastpos
= (self
.lastpos
or pos
)
3404 minetest
.add_item(self
.lastpos
, self
.object
:get_luaentity().name
)
3407 self
.object
:remove() ; -- print ("hit node")
3413 if self
.hit_player
or self
.hit_mob
then
3415 for _
,player
in pairs(minetest
.get_objects_inside_radius(pos
, 1.0)) do
3418 and player
:is_player() then
3420 self
.hit_player(self
, player
)
3421 self
.object
:remove() ; -- print ("hit player")
3425 local entity
= player
:get_luaentity()
3429 and entity
._cmi_is_mob
== true
3430 and tostring(player
) ~= self
.owner_id
3431 and entity
.name
~= self
.object
:get_luaentity().name
then
3433 self
.hit_mob(self
, player
)
3435 self
.object
:remove() ; --print ("hit mob")
3448 -- compatibility function
3449 function mobs
:explosion(pos
, radius
)
3450 local self
= {sounds
= {}}
3451 self
.sounds
.explode
= "tnt_explode"
3452 mobs
:boom(self
, pos
, radius
)
3456 -- no damage to nodes explosion
3457 function mobs
:safe_boom(self
, pos
, radius
)
3459 minetest
.sound_play(self
.sounds
and self
.sounds
.explode
or "tnt_explode", {
3462 max_hear_distance
= self
.sounds
and self
.sounds
.distance
or 32
3465 entity_physics(pos
, radius
)
3466 effect(pos
, 32, "tnt_smoke.png", radius
* 3, radius
* 5, radius
, 1, 0)
3470 -- make explosion with protection and tnt mod check
3471 function mobs
:boom(self
, pos
, radius
)
3474 and mod_tnt
and tnt
and tnt
.boom
3475 and not minetest
.is_protected(pos
, "") then
3479 damage_radius
= radius
,
3480 sound
= self
.sounds
and self
.sounds
.explode
,
3481 explode_center
= true,
3484 mobs
:safe_boom(self
, pos
, radius
)
3489 -- Register spawn eggs
3491 -- Note: This also introduces the “spawn_egg” group:
3492 -- * spawn_egg=1: Spawn egg (generic mob, no metadata)
3493 -- * spawn_egg=2: Spawn egg (captured/tamed mob, metadata)
3494 function mobs
:register_egg(mob
, desc
, background
, addegg
, no_creative
)
3496 local grp
= {spawn_egg
= 1}
3498 -- do NOT add this egg to creative inventory (e.g. dungeon master)
3499 if creative
and no_creative
== true then
3500 grp
.not_in_creative_inventory
= 1
3503 local invimg
= background
3506 invimg
= "mobs_chicken_egg.png^(" .. invimg
..
3507 "^[mask:mobs_chicken_egg_overlay.png)"
3510 -- register new spawn egg containing mob information
3511 --[=[ DISABLED IN MCL2
3512 minetest
.register_craftitem(mob
.. "_set", {
3514 description
= S("@1 (Tamed)", desc
),
3515 inventory_image
= invimg
,
3516 groups
= {spawn_egg
= 2, not_in_creative_inventory
= 1},
3519 on_place
= function(itemstack
, placer
, pointed_thing
)
3521 local pos
= pointed_thing
.above
3523 -- am I clicking on something with existing on_rightclick function?
3524 local under
= minetest
.get_node(pointed_thing
.under
)
3525 local def
= minetest
.registered_nodes
[under
.name
]
3526 if def
and def
.on_rightclick
then
3527 return def
.on_rightclick(pointed_thing
.under
, under
, placer
, itemstack
)
3531 and within_limits(pos
, 0)
3532 and not minetest
.is_protected(pos
, placer
:get_player_name()) then
3534 if not minetest
.registered_entities
[mob
] then
3540 local data
= itemstack
:get_metadata()
3541 local mob
= minetest
.add_entity(pos
, mob
, data
)
3542 local ent
= mob
:get_luaentity()
3544 -- set owner if not a monster
3545 if ent
.type ~= "monster" then
3546 ent
.owner
= placer
:get_player_name()
3550 -- since mob is unique we remove egg once spawned
3551 itemstack
:take_item()
3559 -- register old stackable mob egg
3560 minetest
.register_craftitem(mob
, {
3563 inventory_image
= invimg
,
3566 _doc_items_longdesc
= "This allows you to place a single mob.",
3567 _doc_items_usagehelp
= "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.",
3569 on_place
= function(itemstack
, placer
, pointed_thing
)
3571 local pos
= pointed_thing
.above
3573 -- am I clicking on something with existing on_rightclick function?
3574 local under
= minetest
.get_node(pointed_thing
.under
)
3575 local def
= minetest
.registered_nodes
[under
.name
]
3576 if def
and def
.on_rightclick
then
3577 return def
.on_rightclick(pointed_thing
.under
, under
, placer
, itemstack
)
3581 and within_limits(pos
, 0)
3582 and not minetest
.is_protected(pos
, placer
:get_player_name()) then
3584 local name
= placer
:get_player_name()
3585 local privs
= minetest
.get_player_privs(name
)
3586 if not privs
.maphack
then
3587 minetest
.chat_send_player(name
, "You need the “maphack” privilege to change the mob spawner.")
3590 if mod_mobspawners
and under
.name
== "mcl_mobspawners:spawner" then
3591 mcl_mobspawners
.setup_spawner(pointed_thing
.under
, itemstack
:get_name())
3592 if not minetest
.settings
:get_bool("creative_mode") then
3593 itemstack
:take_item()
3598 if not minetest
.registered_entities
[mob
] then
3604 local mob
= minetest
.add_entity(pos
, mob
)
3605 local ent
= mob
:get_luaentity()
3607 -- don't set owner if monster or sneak pressed
3608 if ent
.type ~= "monster"
3609 and not placer
:get_player_control().sneak
then
3610 ent
.owner
= placer
:get_player_name()
3615 local nametag
= itemstack
:get_meta():get_string("name")
3616 if nametag
~= "" then
3617 if string.len(nametag
) > MAX_MOB_NAME_LENGTH
then
3618 nametag
= string.sub(nametag
, 1, MAX_MOB_NAME_LENGTH
)
3620 ent
.nametag
= nametag
3624 -- if not in creative then take item
3625 if not mobs
.is_creative(placer
:get_player_name()) then
3626 itemstack
:take_item()
3637 -- capture critter (thanks to blert2112 for idea)
3638 function mobs
:capture_mob(self
, clicker
, chance_hand
, chance_net
, chance_lasso
, force_take
, replacewith
)
3640 --[=[ DISABLED IN MCL2
3642 or not clicker
:is_player()
3643 or not clicker
:get_inventory() then
3647 -- get name of clicked mob
3648 local mobname
= self
.name
3650 -- if not nil change what will be added to inventory
3652 mobname
= replacewith
3655 local name
= clicker
:get_player_name()
3656 local tool
= clicker
:get_wielded_item()
3658 -- are we using hand, net or lasso to pick up mob?
3659 if tool
:get_name() ~= ""
3660 and tool
:get_name() ~= "mobs:net"
3661 and tool
:get_name() ~= "mobs:lasso" then
3666 if self
.tamed
== false
3667 and force_take
== false then
3669 minetest
.chat_send_player(name
, S("Not tamed!"))
3671 return true -- false
3674 -- cannot pick up if not owner
3675 if self
.owner
~= name
3676 and force_take
== false then
3678 minetest
.chat_send_player(name
, S("@1 is owner!", self
.owner
))
3680 return true -- false
3683 if clicker
:get_inventory():room_for_item("main", mobname
) then
3685 -- was mob clicked with hand, net, or lasso?
3688 if tool
:get_name() == "" then
3689 chance
= chance_hand
3691 elseif tool
:get_name() == "mobs:net" then
3695 tool
:add_wear(4000) -- 17 uses
3697 clicker
:set_wielded_item(tool
)
3699 elseif tool
:get_name() == "mobs:lasso" then
3701 chance
= chance_lasso
3703 tool
:add_wear(650) -- 100 uses
3705 clicker
:set_wielded_item(tool
)
3709 -- calculate chance.. add to inventory if successful?
3710 if chance
> 0 and random(1, 100) <= chance
then
3713 local new_stack
= ItemStack(mobname
)
3715 -- add special mob egg with all mob information
3716 -- unless 'replacewith' contains new item to use
3717 if not replacewith
then
3719 new_stack
= ItemStack(mobname
.. "_set")
3723 for _
,stat
in pairs(self
) do
3724 local t
= type(stat
)
3727 and t
~= "userdata" then
3732 local data_str
= minetest
.serialize(tmp
)
3734 new_stack
:set_metadata(data_str
)
3737 local inv
= clicker
:get_inventory()
3739 if inv
:room_for_item("main", new_stack
) then
3740 inv
:add_item("main", new_stack
)
3742 minetest
.add_item(clicker
:get_pos(), new_stack
)
3745 self
.object
:remove()
3747 mob_sound(self
, "default_place_node_hard")
3749 elseif chance
~= 0 then
3750 minetest
.chat_send_player(name
, S("Missed!"))
3752 mob_sound(self
, "mobs_swing")
3761 -- protect tamed mob with rune item
3762 function mobs
:protect(self
, clicker
)
3763 local name
= clicker
:get_player_name()
3764 local tool
= clicker
:get_wielded_item()
3766 if tool
:get_name() ~= "mobs:protector" then
3770 if self
.tamed
== false then
3771 minetest
.chat_send_player(name
, S("Not tamed!"))
3772 return true -- false
3775 if self
.protected
== true then
3776 minetest
.chat_send_player(name
, S("Already protected!"))
3777 return true -- false
3780 if not mobs
.is_creative(clicker
:get_player_name()) then
3781 tool
:take_item() -- take 1 protection rune
3782 clicker
:set_wielded_item(tool
)
3785 self
.protected
= true
3787 local pos
= self
.object
:get_pos()
3788 pos
.y
= pos
.y
+ self
.collisionbox
[2] + 0.5
3790 effect(self
.object
:get_pos(), 25, "mobs_protect_particle.png", 0.5, 4, 2, 15)
3792 mob_sound(self
, "mobs_spell")
3801 -- feeding, taming and breeding (thanks blert2112)
3802 function mobs
:feed_tame(self
, clicker
, feed_count
, breed
, tame
)
3803 if not self
.follow
then
3807 -- can eat/tame with item in hand
3808 if follow_holding(self
, clicker
) then
3810 -- if not in creative then take item
3811 if not mobs
.is_creative(clicker
:get_player_name()) then
3813 local item
= clicker
:get_wielded_item()
3817 clicker
:set_wielded_item(item
)
3821 self
.health
= self
.health
+ 4
3823 if self
.health
>= self
.hp_max
then
3825 self
.health
= self
.hp_max
3827 if self
.htimer
< 1 then
3830 minetest
.chat_send_player(clicker
:get_player_name(),
3831 S("@1 at full health (@2)",
3832 self
.name
:split(":")[2], tostring(self
.health
)))
3838 self
.object
:set_hp(self
.health
)
3842 -- make children grow quicker
3843 if self
.child
== true then
3845 self
.hornytimer
= self
.hornytimer
+ 20
3851 self
.food
= (self
.food
or 0) + 1
3852 if self
.food
>= feed_count
then
3856 if breed
and self
.hornytimer
== 0 then
3864 if self
.tamed
== false then
3865 --[[ DISABLED IN MCL2
3866 minetest.chat_send_player(clicker:get_player_name(),
3867 S("@1 has been tamed!",
3868 self.name:split(":")[2]))
3874 if not self
.owner
or self
.owner
== "" then
3875 self
.owner
= clicker
:get_player_name()
3879 -- make sound when fed so many times
3880 mob_sound(self
, self
.sounds
.random)
3890 function mobs
:spawn_child(pos
, mob_type
)
3891 local child
= minetest
.add_entity(pos
, mob_type
)
3896 local ent
= child
:get_luaentity()
3897 effect(pos
, 15, "tnt_smoke.png", 1, 2, 2, 15, 5)
3902 -- using specific child texture (if found)
3903 if ent
.child_texture
then
3904 textures
= ent
.child_texture
[1]
3907 -- and resize to half height
3908 child
:set_properties({
3909 textures
= textures
,
3911 x
= ent
.base_size
.x
* .5,
3912 y
= ent
.base_size
.y
* .5,
3915 ent
.base_colbox
[1] * .5,
3916 ent
.base_colbox
[2] * .5,
3917 ent
.base_colbox
[3] * .5,
3918 ent
.base_colbox
[4] * .5,
3919 ent
.base_colbox
[5] * .5,
3920 ent
.base_colbox
[6] * .5,
3923 ent
.base_selbox
[1] * .5,
3924 ent
.base_selbox
[2] * .5,
3925 ent
.base_selbox
[3] * .5,
3926 ent
.base_selbox
[4] * .5,
3927 ent
.base_selbox
[5] * .5,
3928 ent
.base_selbox
[6] * .5,
3938 -- inspired by blockmen's nametag mod
3939 minetest
.register_on_player_receive_fields(function(player
, formname
, fields
)
3941 -- right-clicked with nametag and name entered?
3942 if formname
== "mobs_nametag"
3944 and fields
.name
~= "" then
3946 local name
= player
:get_player_name()
3948 if not mob_obj
[name
]
3949 or not mob_obj
[name
].object
then
3953 -- make sure nametag is being used to name mob
3954 local item
= player
:get_wielded_item()
3956 if item
:get_name() ~= "mobs:nametag" then
3960 -- limit name entered to 64 characters long
3961 if string.len(fields
.name
) > 64 then
3962 fields
.name
= string.sub(fields
.name
, 1, 64)
3966 mob_obj
[name
].nametag
= fields
.name
3968 update_tag(mob_obj
[name
])
3970 -- if not in creative then take item
3971 if not mobs
.is_creative(name
) then
3973 mob_sta
[name
]:take_item()
3975 player
:set_wielded_item(mob_sta
[name
])
3978 -- reset external variables
3986 -- compatibility function for old entities to new modpack entities
3987 function mobs
:alias_mob(old_name
, new_name
)
3990 minetest
.register_alias(old_name
, new_name
)
3993 minetest
.register_entity(":" .. old_name
, {
3997 on_step
= function(self
)
3999 if minetest
.registered_entities
[new_name
] then
4000 minetest
.add_entity(self
.object
:get_pos(), new_name
)
4003 self
.object
:remove()