mobs_monster/spider.lua

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local S = mobs.intllib
local get_velocity = function(self)
local v = self.object:get_velocity()
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-- sanity check
if not v then return 0 end
return (v.x * v.x + v.z * v.z) ^ 0.5
end
-- Spider by AspireMint (CC-BY-SA 3.0 license)
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mobs:register_mob("mobs_monster:spider", {
--docile_by_day = true,
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group_attack = true,
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type = "monster",
passive = false,
attack_type = "dogfight",
reach = 2,
damage = 3,
hp_min = 10,
hp_max = 30,
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armor = 200,
collisionbox = {-0.8, -0.5, -0.8, 0.8, 0, 0.8},
visual_size = {x = 1, y = 1},
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visual = "mesh",
mesh = "mobs_spider.b3d",
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textures = {
{"mobs_spider_mese.png"},
{"mobs_spider_orange.png"},
{"mobs_spider_snowy.png"},
{"mobs_spider_grey.png"},
{"mobs_spider_crystal.png"},
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},
makes_footstep_sound = false,
sounds = {
random = "mobs_spider",
attack = "mobs_spider",
},
walk_velocity = 1,
run_velocity = 3,
jump = true,
view_range = 15,
floats = 0,
drops = {
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{name = "farming:string", chance = 1, min = 0, max = 2},
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},
water_damage = 5,
lava_damage = 5,
light_damage = 0,
animation = {
speed_normal = 15,
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speed_run = 20,--15,
stand_start = 0,
stand_end = 0,
walk_start = 1,
walk_end = 21,
run_start = 1,
run_end = 21,
punch_start = 25,
punch_end = 45,
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},
-- what kind of spider are we spawning?
on_spawn = function(self)
local pos = self.object:get_pos() ; pos.y = pos.y - 1
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-- snowy spider
if minetest.find_node_near(pos, 1,
{"default:snow", "default:snowblock", "default:dirt_with_snow"}) then
self.base_texture = {"mobs_spider_snowy.png"}
self.object:set_properties({textures = self.base_texture})
self.docile_by_day = true
-- tarantula
elseif minetest.find_node_near(pos, 1,
{"default:dirt_with_rainforest_litter", "default:jungletree"}) then
self.base_texture = {"mobs_spider_orange.png"}
self.object:set_properties({textures = self.base_texture})
self.docile_by_day = true
-- grey spider
elseif minetest.find_node_near(pos, 1,
{"default:stone", "default:gravel"}) then
self.base_texture = {"mobs_spider_grey.png"}
self.object:set_properties({textures = self.base_texture})
-- mese spider
elseif minetest.find_node_near(pos, 1,
{"default:mese", "default:stone_with_mese"}) then
self.base_texture = {"mobs_spider_mese.png"}
self.object:set_properties({textures = self.base_texture})
elseif minetest.find_node_near(pos, 1,
{"ethereal:crystal_dirt", "ethereal:crystal_spike"}) then
self.base_texture = {"mobs_spider_crystal.png"}
self.object:set_properties({textures = self.base_texture})
self.docile_by_day = true
self.drops = {
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{name = "farming:string", chance = 1, min = 0, max = 2},
{name = "ethereal:crystal_spike", chance = 15, min = 1, max = 2},
}
end
return true -- run only once, false/nil runs every activation
end,
-- custom function to make spiders climb vertical facings
do_custom = function(self, dtime)
-- quarter second timer
self.spider_timer = (self.spider_timer or 0) + dtime
if self.spider_timer < 0.25 then
return
end
self.spider_timer = 0
-- need to be stopped to go onwards
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if get_velocity(self) > 0.5 then
self.disable_falling = nil
return
end
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
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-- sanity check
if not yaw then return end
pos.y = pos.y + self.collisionbox[2] - 0.2
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local nod = minetest.get_node_or_nil({
x = pos.x + dir_x,
y = pos.y + 0.5,
z = pos.z + dir_z
})
-- get current velocity
local v = self.object:get_velocity()
-- can only climb solid facings
if not nod or not minetest.registered_nodes[nod.name]
or not minetest.registered_nodes[nod.name].walkable then
self.disable_falling = nil
v.y = 0
self.object:set_velocity(v)
return
end
--print ("----", nod.name, self.disable_falling, dtime)
-- turn off falling if attached to facing
self.disable_falling = true
-- move up facing
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v.x = 0 ; v.y = 0
v.y = self.jump_height
mobs:set_animation(self, "jump")
self.object:set_velocity(v)
end
})
-- above ground spawn
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mobs:spawn({
name = "mobs_monster:spider",
nodes = {
"default:dirt_with_rainforest_litter", "default:snowblock",
"default:snow", "ethereal:crystal_dirt", "ethereal:cold_dirt"
},
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min_light = 0,
max_light = 8,
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chance = 7000,
active_object_count = 1,
min_height = 25,
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max_height = 31000,
})
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-- below ground spawn
mobs:spawn({
name = "mobs_monster:spider",
nodes = {"default:stone_with_mese", "default:mese", "default:stone"},
min_light = 0,
max_light = 7,
chance = 7000,
active_object_count = 1,
min_height = -31000,
max_height = -40,
})
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mobs:register_egg("mobs_monster:spider", S("Spider"), "mobs_cobweb.png", 1)
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mobs:alias_mob("mobs_monster:spider2", "mobs_monster:spider") -- compatibility
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mobs:alias_mob("mobs:spider", "mobs_monster:spider")
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-- cobweb
minetest.register_node(":mobs:cobweb", {
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description = S("Cobweb"),
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drawtype = "plantlike",
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visual_scale = 1.2,
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tiles = {"mobs_cobweb.png"},
inventory_image = "mobs_cobweb.png",
paramtype = "light",
sunlight_propagates = true,
liquid_viscosity = 11,
liquidtype = "source",
liquid_alternative_flowing = "mobs:cobweb",
liquid_alternative_source = "mobs:cobweb",
liquid_renewable = false,
liquid_range = 0,
walkable = false,
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groups = {snappy = 1, disable_jump = 1},
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drop = "farming:string",
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sounds = default.node_sound_leaves_defaults(),
})
minetest.register_craft({
output = "mobs:cobweb",
recipe = {
{"farming:string", "", "farming:string"},
{"", "farming:string", ""},
{"farming:string", "", "farming:string"},
}
})