MineClone2/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:
-- 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.
-- TODO: Implement MC behaviour.
local S = minetest.get_translator("mobs_mc")
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--###################
--################### ENDERMAN
--###################
local pr = PseudoRandom(os.time()*(-334))
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-- How freqeuntly to take and place blocks, in seconds
local take_frequency_min = 25
local take_frequency_max = 90
local place_frequency_min = 10
local place_frequency_max = 30
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-- 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
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end
table.insert(textures, last)
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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
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local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
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mobs:register_mob("mobs_mc:enderman", {
-- TODO: Endermen should be classified as passive
type = "monster",
passive = false,
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pathfinding = 1,
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hp_min = 40,
hp_max = 40,
collisionbox = {-0.3, -0.01, -0.3, 0.3, 2.89, 0.3},
visual = "mesh",
mesh = "mobs_mc_enderman.b3d",
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textures = create_enderman_textures(),
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visual_size = {x=3, y=3},
makes_footstep_sound = true,
sounds = {
war_cry = "mobs_sandmonster",
death = "green_slime_death",
-- TODO: damage, random
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distance = 16,
},
walk_velocity = 0.2,
run_velocity = 3.4,
damage = 7,
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reach = 2,
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drops = {
{name = mobs_mc.items.ender_pearl,
chance = 1,
min = 0,
max = 1,},
},
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animation = select_enderman_animation("normal"),
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_taken_node = "",
do_custom = function(self, dtime)
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if not mobs_griefing then
return
end
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-- Take and put nodes
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if not self._take_place_timer or not self._next_take_place_time then
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self._take_place_timer = 0
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self._next_take_place_time = math.random(take_frequency_min, take_frequency_max)
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return
end
self._take_place_timer = self._take_place_timer + dtime
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if (self._taken_node == nil or self._taken_node == "") and self._take_place_timer >= self._next_take_place_time then
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-- Take random node
self._take_place_timer = 0
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self._next_take_place_time = math.random(place_frequency_min, place_frequency_max)
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local pos = self.object:get_pos()
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local takable_nodes = minetest.find_nodes_in_area({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)
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
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local def = minetest.registered_nodes[self._taken_node]
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-- 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)
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if def.sounds and def.sounds.dug then
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minetest.sound_play(def.sounds.dug, {pos = take_pos, max_hear_distance = 16}, true)
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end
end
end
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elseif self._taken_node ~= nil and self._taken_node ~= "" and self._take_place_timer >= self._next_take_place_time then
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-- Place taken node
self._take_place_timer = 0
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self._next_take_place_time = math.random(take_frequency_min, take_frequency_max)
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local pos = self.object:get_pos()
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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))))
if minetest.get_node(place_pos).name == "air" 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
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minetest.sound_play(def.sounds.place, {pos = place_pos, max_hear_distance = 16}, true)
end
self._taken_node = ""
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end
end
end
end,
-- TODO: Teleport enderman on damage, etc.
_do_teleport = function(self)
-- Attempt to randomly teleport enderman
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local pos = self.object:get_pos()
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-- Find all solid nodes below air in a 65×65×65 cuboid centered on the enderman
local nodes = minetest.find_nodes_in_area_under_air(vector.subtract(pos, 32), vector.add(pos, 32), {"group:solid", "group:cracky", "group:crumbly"})
local telepos
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
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self.object:set_pos(telepos)
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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,
water_damage = 8,
-- TODO: Increase view range when it detects being seen
-- Low view range to emulate that behaviour somehow
view_range = 4,
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fear_height = 4,
attack_type = "dogfight",
})
-- End spawn
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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)
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-- spawn eggs
mobs:register_egg("mobs_mc:enderman", S("Enderman"), "mobs_mc_spawn_icon_enderman.png", 0)
if minetest.settings:get_bool("log_mods") then
minetest.log("action", "MC Enderman loaded")
end