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VoxeLibre/mods/ENTITIES/mobs_mc/enderman.lua

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--MCmobs v0.4
--maikerumine
--made for MC like Survival game
--License for code WTFPL and otherwise stated in readmes
-- ENDERMAN BEHAVIOUR (OLD):
-- In this game, endermen attack the player on sight, like other monsters do.
-- However, they have a reduced viewing range to make them less dangerous.
-- This differs from MC, in which endermen only become hostile when provoked,
-- and they are provoked by looking directly at them.
-- Rootyjr
-----------------------------
-- implemented ability to detect when seen / break eye contact and aggressive response
-- implemented teleport to avoid arrows.
-- implemented teleport to avoid rain.
-- implemented teleport to chase.
-- added enderman particles.
-- drew mcl_portal_particle1.png
-- drew mcl_portal_particle2.png
-- drew mcl_portal_particle3.png
-- drew mcl_portal_particle4.png
-- drew mcl_portal_particle5.png
-- added rain damage.
-- fixed the grass_with_dirt issue.
local S = minetest.get_translator("mobs_mc")
local telesound = function(pos, is_source)
local snd
if is_source then
snd = "mobs_mc_enderman_teleport_src"
else
snd = "mobs_mc_enderman_teleport_dst"
end
minetest.sound_play(snd, {pos=pos, max_hear_distance=16}, true)
end
--###################
--################### ENDERMAN
--###################
local pr = PseudoRandom(os.time()*(-334))
-- How freqeuntly to take and place blocks, in seconds
local take_frequency_min = 235
local take_frequency_max = 245
local place_frequency_min = 235
local place_frequency_max = 245
-- Create the textures table for the enderman, depending on which kind of block
-- the enderman holds (if any).
local create_enderman_textures = function(block_type, itemstring)
local base = "mobs_mc_enderman.png^mobs_mc_enderman_eyes.png"
--[[ Order of the textures in the texture table:
Flower, 90 degrees
Flower, 45 degrees
Held block, backside
Held block, bottom
Held block, front
Held block, left
Held block, right
Held block, top
Enderman texture (base)
]]
-- Regular cube
if block_type == "cube" then
local tiles = minetest.registered_nodes[itemstring].tiles
local textures = {}
local last
if mobs_mc.enderman_block_texture_overrides[itemstring] then
-- Texture override available? Use these instead!
textures = mobs_mc.enderman_block_texture_overrides[itemstring]
else
-- Extract the texture names
for i = 1, 6 do
if type(tiles[i]) == "string" then
last = tiles[i]
elseif type(tiles[i]) == "table" then
if tiles[i].name then
last = tiles[i].name
end
end
table.insert(textures, last)
end
end
return {
"blank.png",
"blank.png",
textures[5],
textures[2],
textures[6],
textures[3],
textures[4],
textures[1],
base, -- Enderman texture
}
-- Node of plantlike drawtype, 45° (recommended)
elseif block_type == "plantlike45" then
local textures = minetest.registered_nodes[itemstring].tiles
return {
"blank.png",
textures[1],
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
base,
}
-- Node of plantlike drawtype, 90°
elseif block_type == "plantlike90" then
local textures = minetest.registered_nodes[itemstring].tiles
return {
textures[1],
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
base,
}
elseif block_type == "unknown" then
return {
"blank.png",
"blank.png",
"unknown_node.png",
"unknown_node.png",
"unknown_node.png",
"unknown_node.png",
"unknown_node.png",
"unknown_node.png",
base, -- Enderman texture
}
-- No block held (for initial texture)
elseif block_type == "nothing" or block_type == nil then
return {
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
"blank.png",
base, -- Enderman texture
}
end
end
-- Select a new animation definition.
local select_enderman_animation = function(animation_type)
-- Enderman holds a block
if animation_type == "block" then
return {
walk_speed = 25,
run_speed = 50,
stand_speed = 25,
stand_start = 200,
stand_end = 200,
walk_start = 161,
walk_end = 200,
run_start = 161,
run_end = 200,
punch_start = 121,
punch_end = 160,
}
-- Enderman doesn't hold a block
elseif animation_type == "normal" or animation_type == nil then
return {
walk_speed = 25,
run_speed = 50,
stand_speed = 25,
stand_start = 40,
stand_end = 80,
walk_start = 0,
walk_end = 40,
run_start = 0,
run_end = 40,
punch_start = 81,
punch_end = 120,
}
end
end
local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
mobs:register_mob("mobs_mc:enderman", {
type = "monster",
spawn_class = "passive",
passive = true,
pathfinding = 1,
hp_min = 40,
hp_max = 40,
xp_min = 5,
xp_max = 5,
collisionbox = {-0.3, -0.01, -0.3, 0.3, 2.89, 0.3},
visual = "mesh",
mesh = "mobs_mc_enderman.b3d",
textures = create_enderman_textures(),
visual_size = {x=3, y=3},
makes_footstep_sound = true,
sounds = {
-- TODO: Custom war cry sound
war_cry = "mobs_sandmonster",
death = {name="mobs_mc_enderman_death", gain=0.7},
damage = {name="mobs_mc_enderman_hurt", gain=0.5},
random = {name="mobs_mc_enderman_random", gain=0.5},
distance = 16,
},
walk_velocity = 0.2,
run_velocity = 3.4,
damage = 7,
reach = 2,
drops = {
{name = mobs_mc.items.ender_pearl,
chance = 1,
min = 0,
max = 1,
looting = "common"},
},
animation = select_enderman_animation("normal"),
_taken_node = "",
do_custom = function(self, dtime)
-- PARTICLE BEHAVIOUR HERE.
local enderpos = self.object:get_pos()
local chanceOfParticle = math.random(0, 1)
if chanceOfParticle == 1 then
minetest.add_particle({
pos = {x=enderpos.x+math.random(-1,1)*math.random()/2,y=enderpos.y+math.random(0,3),z=enderpos.z+math.random(-1,1)*math.random()/2},
velocity = {x=math.random(-.25,.25), y=math.random(-.25,.25), z=math.random(-.25,.25)},
acceleration = {x=math.random(-.5,.5), y=math.random(-.5,.5), z=math.random(-.5,.5)},
expirationtime = math.random(),
size = math.random(),
collisiondetection = true,
vertical = false,
texture = "mcl_portals_particle"..math.random(1, 5)..".png",
})
end
-- RAIN DAMAGE / EVASIVE WARP BEHAVIOUR HERE.
local dim = mcl_worlds.pos_to_dimension(enderpos)
if dim == "overworld" then
if mcl_weather.state == "rain" or mcl_weather.state == "lightning" then
local damage = true
local enderpos = self.object:get_pos()
enderpos.y = enderpos.y+2.89
local height = {x=enderpos.x, y=enderpos.y+512,z=enderpos.z}
local ray = minetest.raycast(enderpos, height, true)
-- Check for blocks above enderman.
for pointed_thing in ray do
if pointed_thing.type == "node" then
local nn = minetest.get_node(minetest.get_pointed_thing_position(pointed_thing)).name
local def = minetest.registered_nodes[nn]
if (not def) or def.walkable then
-- There's a node in the way. Delete arrow without damage
damage = false
break
end
end
end
if damage == true then
self.state = ""
--rain hurts enderman
self.object:punch(self.object, 1.0, {
full_punch_interval=1.0,
damage_groups={fleshy=self._damage},
}, nil)
--randomly teleport hopefully under something.
self:teleport(nil)
end
end
else return end
-- AGRESSIVELY WARP/CHASE PLAYER BEHAVIOUR HERE.
if self.state == "attack" then
--if (minetest.get_timeofday() * 24000) > 5001 and (minetest.get_timeofday() * 24000) < 19000 then
--self:teleport(nil)
--self.state = ""
--else
if self.attack then
local target = self.attack
local pos = target:get_pos()
if pos ~= nil then
if vector.distance(self.object:get_pos(), target:get_pos()) > 10 then
self:teleport(target)
end
end
end
--end
end
-- ARROW / DAYTIME PEOPLE AVOIDANCE BEHAVIOUR HERE.
-- Check for arrows and people nearby.
local enderpos = self.object:get_pos()
local objs = minetest.get_objects_inside_radius(enderpos, 4)
for n = 1, #objs do
local obj = objs[n]
if obj then
if minetest.is_player(obj) then
-- Warp from players during day.
--if (minetest.get_timeofday() * 24000) > 5001 and (minetest.get_timeofday() * 24000) < 19000 then
-- self:teleport(nil)
--end
else
local lua = obj:get_luaentity()
if lua then
if lua.name == "mcl_bows:arrow_entity" then
self:teleport(nil)
end
end
end
end
end
-- PROVOKED BEHAVIOUR HERE.
local enderpos = self.object:get_pos()
if self.provoked == "broke_contact" then
self.provoked = "false"
--if (minetest.get_timeofday() * 24000) > 5001 and (minetest.get_timeofday() * 24000) < 19000 then
-- self:teleport(nil)
-- self.state = ""
--else
if self.attack ~= nil then
self.state = 'attack'
end
--end
end
-- Check to see if people are near by enough to look at us.
local objs = minetest.get_objects_inside_radius(enderpos, 64)
local obj
for n = 1, #objs do
obj = objs[n]
if obj then
if minetest.is_player(obj) then
-- Check if they are looking at us.
local player_pos = obj:get_pos()
local look_dir_not_normalized = obj:get_look_dir()
local look_dir = vector.normalize(look_dir_not_normalized)
local look_pos = vector.new({x = look_dir.x+player_pos.x, y = look_dir.y+player_pos.y + 1.5, z = look_dir.z+player_pos.z}) -- Arbitrary value (1.5) is head level according to player info mod.
-- Cast up to 64 to see if player is looking at enderman.
for n = 1,64,.25 do
local node = minetest.get_node(look_pos)
if node.name ~= "air" then
break
end
if look_pos.x-1<enderpos.x and look_pos.x+1>enderpos.x and look_pos.y-2.89<enderpos.y and look_pos.y-2>enderpos.y and look_pos.z-1<enderpos.z and look_pos.z+1>enderpos.z then
self.provoked = "staring"
self.attack = minetest.get_player_by_name(obj:get_player_name())
break
else
if self.provoked == "staring" then
self.provoked = "broke_contact"
end
end
look_pos.x = look_pos.x + (.25 * look_dir.x)
look_pos.y = look_pos.y + (.25 * look_dir.y)
look_pos.z = look_pos.z + (.25 * look_dir.z)
end
end
end
end
-- TAKE AND PLACE STUFF BEHAVIOUR BELOW.
if not mobs_griefing then
return
end
-- Take and put nodes
if not self._take_place_timer or not self._next_take_place_time then
self._take_place_timer = 0
self._next_take_place_time = math.random(take_frequency_min, take_frequency_max)
return
end
self._take_place_timer = self._take_place_timer + dtime
if (self._taken_node == nil or self._taken_node == "") and self._take_place_timer >= self._next_take_place_time then
-- Take random node
self._take_place_timer = 0
self._next_take_place_time = math.random(place_frequency_min, place_frequency_max)
local pos = self.object:get_pos()
local takable_nodes = minetest.find_nodes_in_area_under_air({x=pos.x-2, y=pos.y-1, z=pos.z-2}, {x=pos.x+2, y=pos.y+1, z=pos.z+2}, mobs_mc.enderman_takable)
if #takable_nodes >= 1 then
local r = pr:next(1, #takable_nodes)
local take_pos = takable_nodes[r]
local node = minetest.get_node(take_pos)
-- Don't destroy protected stuff.
if not minetest.is_protected(take_pos, "") then
local dug = minetest.dig_node(take_pos)
if dug then
if mobs_mc.enderman_replace_on_take[node.name] then
self._taken_node = mobs_mc.enderman_replace_on_take[node.name]
else
self._taken_node = node.name
end
local def = minetest.registered_nodes[self._taken_node]
-- Update animation and texture accordingly (adds visibly carried block)
local block_type
-- Cube-shaped
if def.drawtype == "normal" or
def.drawtype == "nodebox" or
def.drawtype == "liquid" or
def.drawtype == "flowingliquid" or
def.drawtype == "glasslike" or
def.drawtype == "glasslike_framed" or
def.drawtype == "glasslike_framed_optional" or
def.drawtype == "allfaces" or
def.drawtype == "allfaces_optional" or
def.drawtype == nil then
block_type = "cube"
elseif def.drawtype == "plantlike" then
-- Flowers and stuff
block_type = "plantlike45"
elseif def.drawtype == "airlike" then
-- Just air
block_type = nil
else
-- Fallback for complex drawtypes
block_type = "unknown"
end
self.base_texture = create_enderman_textures(block_type, self._taken_node)
self.object:set_properties({ textures = self.base_texture })
self.animation = select_enderman_animation("block")
mobs:set_animation(self, self.animation.current)
if def.sounds and def.sounds.dug then
minetest.sound_play(def.sounds.dug, {pos = take_pos, max_hear_distance = 16}, true)
end
end
end
end
elseif self._taken_node ~= nil and self._taken_node ~= "" and self._take_place_timer >= self._next_take_place_time then
-- Place taken node
self._take_place_timer = 0
self._next_take_place_time = math.random(take_frequency_min, take_frequency_max)
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
-- Place node at looking direction
local place_pos = vector.subtract(pos, minetest.facedir_to_dir(minetest.dir_to_facedir(minetest.yaw_to_dir(yaw))))
-- Also check to see if protected.
if minetest.get_node(place_pos).name == "air" and not minetest.is_protected(place_pos, "") then
-- ... but only if there's a free space
local success = minetest.place_node(place_pos, {name = self._taken_node})
if success then
local def = minetest.registered_nodes[self._taken_node]
-- Update animation accordingly (removes visible block)
self.animation = select_enderman_animation("normal")
mobs:set_animation(self, self.animation.current)
if def.sounds and def.sounds.place then
minetest.sound_play(def.sounds.place, {pos = place_pos, max_hear_distance = 16}, true)
end
self._taken_node = ""
end
end
end
end,
do_teleport = function(self, target)
if target ~= nil then
local target_pos = target:get_pos()
-- Find all solid nodes below air in a 10×10×10 cuboid centered on the target
local nodes = minetest.find_nodes_in_area_under_air(vector.subtract(target_pos, 5), vector.add(target_pos, 5), {"group:solid", "group:cracky", "group:crumbly"})
local telepos
if nodes ~= nil then
if #nodes > 0 then
-- Up to 64 attempts to teleport
for n=1, math.min(64, #nodes) do
local r = pr:next(1, #nodes)
local nodepos = nodes[r]
local node_ok = true
-- Selected node needs to have 3 nodes of free space above
for u=1, 3 do
local node = minetest.get_node({x=nodepos.x, y=nodepos.y+u, z=nodepos.z})
if minetest.registered_nodes[node.name].walkable then
node_ok = false
break
end
end
if node_ok then
telepos = {x=nodepos.x, y=nodepos.y+1, z=nodepos.z}
end
end
if telepos then
telesound(self.object:get_pos(), false)
self.object:set_pos(telepos)
telesound(telepos, true)
end
end
end
else
-- Attempt to randomly teleport enderman
local pos = self.object:get_pos()
-- Up to 8 top-level attempts to teleport
for n=1, 8 do
local node_ok = false
-- We need to add (or subtract) different random numbers to each vector component, so it couldn't be done with a nice single vector.add() or .subtract():
local randomCube = vector.new( pos.x + 8*(pr:next(0,16)-8), pos.y + 8*(pr:next(0,16)-8), pos.z + 8*(pr:next(0,16)-8) )
local nodes = minetest.find_nodes_in_area_under_air(vector.subtract(randomCube, 4), vector.add(randomCube, 4), {"group:solid", "group:cracky", "group:crumbly"})
if nodes ~= nil then
if #nodes > 0 then
-- Up to 8 low-level (in total up to 8*8 = 64) attempts to teleport
for n=1, math.min(8, #nodes) do
local r = pr:next(1, #nodes)
local nodepos = nodes[r]
node_ok = true
for u=1, 3 do
local node = minetest.get_node({x=nodepos.x, y=nodepos.y+u, z=nodepos.z})
if minetest.registered_nodes[node.name].walkable then
node_ok = false
break
end
end
if node_ok then
telesound(self.object:get_pos(), false)
local telepos = {x=nodepos.x, y=nodepos.y+1, z=nodepos.z}
self.object:set_pos(telepos)
telesound(telepos, true)
break
end
end
end
end
if node_ok then
break
end
end
end
end,
on_die = function(self, pos)
-- Drop carried node on death
if self._taken_node ~= nil and self._taken_node ~= "" then
minetest.add_item(pos, self._taken_node)
end
end,
do_punch = function(self, hitter, tflp, tool_caps, dir)
-- damage from rain caused by itself so we don't want it to attack itself.
if hitter ~= self.object and hitter ~= nil then
--if (minetest.get_timeofday() * 24000) > 5001 and (minetest.get_timeofday() * 24000) < 19000 then
-- self:teleport(nil)
--else
self:teleport(hitter)
self.attack=hitter
self.state="attack"
--end
end
end,
armor = { fleshy = 100, water_vulnerable = 100 },
water_damage = 8,
view_range = 64,
fear_height = 4,
attack_type = "dogfight",
})
-- End spawn
mobs:spawn_specific("mobs_mc:enderman", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 3000, 12, mobs_mc.spawn_height.end_min, mobs_mc.spawn_height.end_max)
-- Overworld spawn
mobs:spawn_specific("mobs_mc:enderman", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 19000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-- Nether spawn (rare)
mobs:spawn_specific("mobs_mc:enderman", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 27500, 4, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
-- spawn eggs
mobs:register_egg("mobs_mc:enderman", S("Enderman"), "mobs_mc_spawn_icon_enderman.png", 0)
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