554 lines
16 KiB
Lua
554 lines
16 KiB
Lua
mobs = {}
|
|
function mobs:register_mob(name, def)
|
|
minetest.register_entity(name, {
|
|
hp_max = def.hp_max,
|
|
physical = true,
|
|
collisionbox = def.collisionbox,
|
|
visual = def.visual,
|
|
visual_size = def.visual_size,
|
|
mesh = def.mesh,
|
|
textures = def.textures,
|
|
makes_footstep_sound = def.makes_footstep_sound,
|
|
view_range = def.view_range,
|
|
walk_velocity = def.walk_velocity,
|
|
run_velocity = def.run_velocity,
|
|
damage = def.damage,
|
|
light_damage = def.light_damage,
|
|
water_damage = def.water_damage,
|
|
lava_damage = def.lava_damage,
|
|
disable_fall_damage = def.disable_fall_damage,
|
|
drops = def.drops,
|
|
armor = def.armor,
|
|
drawtype = def.drawtype,
|
|
on_rightclick = def.on_rightclick,
|
|
type = def.type,
|
|
attack_type = def.attack_type,
|
|
arrow = def.arrow,
|
|
shoot_interval = def.shoot_interval,
|
|
sounds = def.sounds,
|
|
animation = def.animation,
|
|
follow = def.follow,
|
|
jump = def.jump or true,
|
|
|
|
timer = 0,
|
|
env_damage_timer = 0, -- only if state = "attack"
|
|
attack = {player=nil, dist=nil},
|
|
state = "stand",
|
|
v_start = false,
|
|
old_y = nil,
|
|
lifetimer = 600,
|
|
tamed = false,
|
|
|
|
set_velocity = function(self, v)
|
|
local yaw = self.object:getyaw()
|
|
if self.drawtype == "side" then
|
|
yaw = yaw+(math.pi/2)
|
|
end
|
|
local x = math.sin(yaw) * -v
|
|
local z = math.cos(yaw) * v
|
|
self.object:setvelocity({x=x, y=self.object:getvelocity().y, z=z})
|
|
end,
|
|
|
|
get_velocity = function(self)
|
|
local v = self.object:getvelocity()
|
|
return (v.x^2 + v.z^2)^(0.5)
|
|
end,
|
|
|
|
set_animation = function(self, type)
|
|
if not self.animation then
|
|
return
|
|
end
|
|
if not self.animation.current then
|
|
self.animation.current = ""
|
|
end
|
|
if type == "stand" and self.animation.current ~= "stand" then
|
|
if
|
|
self.animation.stand_start
|
|
and self.animation.stand_end
|
|
and self.animation.speed_normal
|
|
then
|
|
self.object:set_animation(
|
|
{x=self.animation.stand_start,y=self.animation.stand_end},
|
|
self.animation.speed_normal, 0
|
|
)
|
|
self.animation.current = "stand"
|
|
end
|
|
elseif type == "walk" and self.animation.current ~= "walk" then
|
|
if
|
|
self.animation.walk_start
|
|
and self.animation.walk_end
|
|
and self.animation.speed_normal
|
|
then
|
|
self.object:set_animation(
|
|
{x=self.animation.walk_start,y=self.animation.walk_end},
|
|
self.animation.speed_normal, 0
|
|
)
|
|
self.animation.current = "walk"
|
|
end
|
|
elseif type == "run" and self.animation.current ~= "run" then
|
|
if
|
|
self.animation.run_start
|
|
and self.animation.run_end
|
|
and self.animation.speed_run
|
|
then
|
|
self.object:set_animation(
|
|
{x=self.animation.run_start,y=self.animation.run_end},
|
|
self.animation.speed_run, 0
|
|
)
|
|
self.animation.current = "run"
|
|
end
|
|
elseif type == "punch" and self.animation.current ~= "punch" then
|
|
if
|
|
self.animation.punch_start
|
|
and self.animation.punch_end
|
|
and self.animation.speed_normal
|
|
then
|
|
self.object:set_animation(
|
|
{x=self.animation.punch_start,y=self.animation.punch_end},
|
|
self.animation.speed_normal, 0
|
|
)
|
|
self.animation.current = "punch"
|
|
end
|
|
end
|
|
end,
|
|
|
|
on_step = function(self, dtime)
|
|
if self.type == "monster" and minetest.setting_getbool("only_peaceful_mobs") then
|
|
self.object:remove()
|
|
end
|
|
|
|
self.lifetimer = self.lifetimer - dtime
|
|
if self.lifetimer <= 0 and not self.tamed then
|
|
local player_count = 0
|
|
for _,obj in ipairs(minetest.env:get_objects_inside_radius(self.object:getpos(), 20)) do
|
|
if obj:is_player() then
|
|
player_count = player_count+1
|
|
end
|
|
end
|
|
if player_count == 0 and self.state ~= "attack" then
|
|
self.object:remove()
|
|
return
|
|
end
|
|
end
|
|
|
|
if self.object:getvelocity().y > 0.1 then
|
|
local yaw = self.object:getyaw()
|
|
if self.drawtype == "side" then
|
|
yaw = yaw+(math.pi/2)
|
|
end
|
|
local x = math.sin(yaw) * -2
|
|
local z = math.cos(yaw) * 2
|
|
self.object:setacceleration({x=x, y=-10, z=z})
|
|
else
|
|
self.object:setacceleration({x=0, y=-10, z=0})
|
|
end
|
|
|
|
if self.disable_fall_damage and self.object:getvelocity().y == 0 then
|
|
if not self.old_y then
|
|
self.old_y = self.object:getpos().y
|
|
else
|
|
local d = self.old_y - self.object:getpos().y
|
|
if d > 5 then
|
|
local damage = d-5
|
|
self.object:set_hp(self.object:get_hp()-damage)
|
|
if self.object:get_hp() == 0 then
|
|
self.object:remove()
|
|
end
|
|
end
|
|
self.old_y = self.object:getpos().y
|
|
end
|
|
end
|
|
|
|
self.timer = self.timer+dtime
|
|
if self.state ~= "attack" then
|
|
if self.timer < 1 then
|
|
return
|
|
end
|
|
self.timer = 0
|
|
end
|
|
|
|
if self.sounds and self.sounds.random and math.random(1, 100) <= 1 then
|
|
minetest.sound_play(self.sounds.random, {object = self.object})
|
|
end
|
|
|
|
local do_env_damage = function(self)
|
|
local pos = self.object:getpos()
|
|
local n = minetest.env:get_node(pos)
|
|
|
|
if self.light_damage and self.light_damage ~= 0
|
|
and pos.y>0
|
|
and minetest.env:get_node_light(pos)
|
|
and minetest.env:get_node_light(pos) > 4
|
|
and minetest.env:get_timeofday() > 0.2
|
|
and minetest.env:get_timeofday() < 0.8
|
|
then
|
|
self.object:set_hp(self.object:get_hp()-self.light_damage)
|
|
if self.object:get_hp() == 0 then
|
|
self.object:remove()
|
|
end
|
|
end
|
|
|
|
if self.water_damage and self.water_damage ~= 0 and
|
|
minetest.get_item_group(n.name, "water") ~= 0
|
|
then
|
|
self.object:set_hp(self.object:get_hp()-self.water_damage)
|
|
if self.object:get_hp() == 0 then
|
|
self.object:remove()
|
|
end
|
|
end
|
|
|
|
if self.lava_damage and self.lava_damage ~= 0 and
|
|
minetest.get_item_group(n.name, "lava") ~= 0
|
|
then
|
|
self.object:set_hp(self.object:get_hp()-self.lava_damage)
|
|
if self.object:get_hp() == 0 then
|
|
self.object:remove()
|
|
end
|
|
end
|
|
end
|
|
|
|
self.env_damage_timer = self.env_damage_timer + dtime
|
|
if self.state == "attack" and self.env_damage_timer > 1 then
|
|
self.env_damage_timer = 0
|
|
do_env_damage(self)
|
|
elseif self.state ~= "attack" then
|
|
do_env_damage(self)
|
|
end
|
|
|
|
if self.type == "monster" and minetest.setting_getbool("enable_damage") then
|
|
for _,player in pairs(minetest.get_connected_players()) do
|
|
local s = self.object:getpos()
|
|
local p = player:getpos()
|
|
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
|
|
if dist < self.view_range then
|
|
if self.attack.dist then
|
|
if self.attack.dist < dist then
|
|
self.state = "attack"
|
|
self.attack.player = player
|
|
self.attack.dist = dist
|
|
end
|
|
else
|
|
self.state = "attack"
|
|
self.attack.player = player
|
|
self.attack.dist = dist
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.follow ~= "" and not self.following then
|
|
for _,player in pairs(minetest.get_connected_players()) do
|
|
local s = self.object:getpos()
|
|
local p = player:getpos()
|
|
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
|
|
if self.view_range and dist < self.view_range then
|
|
self.following = player
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.following and self.following:is_player() then
|
|
if self.following:get_wielded_item():get_name() ~= self.follow then
|
|
self.following = nil
|
|
self.v_start = false
|
|
else
|
|
local s = self.object:getpos()
|
|
local p = self.following:getpos()
|
|
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
|
|
if dist > self.view_range then
|
|
self.following = nil
|
|
self.v_start = false
|
|
else
|
|
local vec = {x=p.x-s.x, y=p.y-s.y, z=p.z-s.z}
|
|
local yaw = math.atan(vec.z/vec.x)+math.pi/2
|
|
if self.drawtype == "side" then
|
|
yaw = yaw+(math.pi/2)
|
|
end
|
|
if p.x > s.x then
|
|
yaw = yaw+math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
if dist > 2 then
|
|
if not self.v_start then
|
|
self.v_start = true
|
|
self.set_velocity(self, self.walk_velocity)
|
|
else
|
|
if self.jump and self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
|
|
local v = self.object:getvelocity()
|
|
v.y = 5
|
|
self.object:setvelocity(v)
|
|
end
|
|
self.set_velocity(self, self.walk_velocity)
|
|
end
|
|
self:set_animation("walk")
|
|
else
|
|
self.v_start = false
|
|
self.set_velocity(self, 0)
|
|
self:set_animation("stand")
|
|
end
|
|
return
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.state == "stand" then
|
|
if math.random(1, 4) == 1 then
|
|
self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
|
|
end
|
|
self.set_velocity(self, 0)
|
|
self.set_animation(self, "stand")
|
|
if math.random(1, 100) <= 50 then
|
|
self.set_velocity(self, self.walk_velocity)
|
|
self.state = "walk"
|
|
self.set_animation(self, "walk")
|
|
end
|
|
elseif self.state == "walk" then
|
|
if math.random(1, 100) <= 30 then
|
|
self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
|
|
end
|
|
if self.jump and self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
|
|
local v = self.object:getvelocity()
|
|
v.y = 5
|
|
self.object:setvelocity(v)
|
|
end
|
|
self:set_animation("walk")
|
|
self.set_velocity(self, self.walk_velocity)
|
|
if math.random(1, 100) <= 10 then
|
|
self.set_velocity(self, 0)
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
end
|
|
elseif self.state == "attack" and self.attack_type == "dogfight" then
|
|
if not self.attack.player or not self.attack.player:is_player() then
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
return
|
|
end
|
|
local s = self.object:getpos()
|
|
local p = self.attack.player:getpos()
|
|
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
|
|
if dist > self.view_range or self.attack.player:get_hp() <= 0 then
|
|
self.state = "stand"
|
|
self.v_start = false
|
|
self.set_velocity(self, 0)
|
|
self.attack = {player=nil, dist=nil}
|
|
self:set_animation("stand")
|
|
return
|
|
else
|
|
self.attack.dist = dist
|
|
end
|
|
|
|
local vec = {x=p.x-s.x, y=p.y-s.y, z=p.z-s.z}
|
|
local yaw = math.atan(vec.z/vec.x)+math.pi/2
|
|
if self.drawtype == "side" then
|
|
yaw = yaw+(math.pi/2)
|
|
end
|
|
if p.x > s.x then
|
|
yaw = yaw+math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
if self.attack.dist > 2 then
|
|
if not self.v_start then
|
|
self.v_start = true
|
|
self.set_velocity(self, self.run_velocity)
|
|
else
|
|
if self.jump and self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
|
|
local v = self.object:getvelocity()
|
|
v.y = 5
|
|
self.object:setvelocity(v)
|
|
end
|
|
self.set_velocity(self, self.run_velocity)
|
|
end
|
|
self:set_animation("run")
|
|
else
|
|
self.set_velocity(self, 0)
|
|
self:set_animation("punch")
|
|
self.v_start = false
|
|
if self.timer > 1 then
|
|
self.timer = 0
|
|
if self.sounds and self.sounds.attack then
|
|
minetest.sound_play(self.sounds.attack, {object = self.object})
|
|
end
|
|
self.attack.player:punch(self.object, 1.0, {
|
|
full_punch_interval=1.0,
|
|
damage_groups = {fleshy=self.damage}
|
|
}, vec)
|
|
end
|
|
end
|
|
elseif self.state == "attack" and self.attack_type == "shoot" then
|
|
if not self.attack.player or not self.attack.player:is_player() then
|
|
self.state = "stand"
|
|
self:set_animation("stand")
|
|
return
|
|
end
|
|
local s = self.object:getpos()
|
|
local p = self.attack.player:getpos()
|
|
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
|
|
if dist > self.view_range or self.attack.player:get_hp() <= 0 then
|
|
self.state = "stand"
|
|
self.v_start = false
|
|
self.set_velocity(self, 0)
|
|
self.attack = {player=nil, dist=nil}
|
|
self:set_animation("stand")
|
|
return
|
|
else
|
|
self.attack.dist = dist
|
|
end
|
|
|
|
local vec = {x=p.x-s.x, y=p.y-s.y, z=p.z-s.z}
|
|
local yaw = math.atan(vec.z/vec.x)+math.pi/2
|
|
if self.drawtype == "side" then
|
|
yaw = yaw+(math.pi/2)
|
|
end
|
|
if p.x > s.x then
|
|
yaw = yaw+math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
self.set_velocity(self, 0)
|
|
|
|
if self.timer > self.shoot_interval and math.random(1, 100) <= 60 then
|
|
self.timer = 0
|
|
|
|
self:set_animation("punch")
|
|
|
|
if self.sounds and self.sounds.attack then
|
|
minetest.sound_play(self.sounds.attack, {object = self.object})
|
|
end
|
|
|
|
local p = self.object:getpos()
|
|
p.y = p.y + (self.collisionbox[2]+self.collisionbox[5])/2
|
|
local obj = minetest.env:add_entity(p, self.arrow)
|
|
local amount = (vec.x^2+vec.y^2+vec.z^2)^0.5
|
|
local v = obj:get_luaentity().velocity
|
|
vec.y = vec.y+1
|
|
vec.x = vec.x*v/amount
|
|
vec.y = vec.y*v/amount
|
|
vec.z = vec.z*v/amount
|
|
obj:setvelocity(vec)
|
|
end
|
|
end
|
|
end,
|
|
|
|
on_activate = function(self, staticdata, dtime_s)
|
|
self.object:set_armor_groups({fleshy=self.armor})
|
|
self.object:setacceleration({x=0, y=-10, z=0})
|
|
self.state = "stand"
|
|
self.object:setvelocity({x=0, y=self.object:getvelocity().y, z=0})
|
|
self.object:setyaw(math.random(1, 360)/180*math.pi)
|
|
if self.type == "monster" and minetest.setting_getbool("only_peaceful_mobs") then
|
|
self.object:remove()
|
|
end
|
|
self.lifetimer = 600 - dtime_s
|
|
if staticdata then
|
|
local tmp = minetest.deserialize(staticdata)
|
|
if tmp and tmp.lifetimer then
|
|
self.lifetimer = tmp.lifetimer - dtime_s
|
|
end
|
|
if tmp and tmp.tamed then
|
|
self.tamed = tmp.tamed
|
|
end
|
|
end
|
|
if self.lifetimer <= 0 and not self.tamed then
|
|
self.object:remove()
|
|
end
|
|
end,
|
|
|
|
get_staticdata = function(self)
|
|
local tmp = {
|
|
lifetimer = self.lifetimer,
|
|
tamed = self.tamed,
|
|
}
|
|
return minetest.serialize(tmp)
|
|
end,
|
|
|
|
on_punch = function(self, hitter)
|
|
if self.object:get_hp() <= 0 then
|
|
if hitter and hitter:is_player() and hitter:get_inventory() then
|
|
for _,drop in ipairs(self.drops) do
|
|
if math.random(1, drop.chance) == 1 then
|
|
hitter:get_inventory():add_item("main", ItemStack(drop.name.." "..math.random(drop.min, drop.max)))
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
|
|
})
|
|
end
|
|
|
|
mobs.spawning_mobs = {}
|
|
function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height, spawn_func)
|
|
mobs.spawning_mobs[name] = true
|
|
minetest.register_abm({
|
|
nodenames = nodes,
|
|
neighbors = {"air"},
|
|
interval = 30,
|
|
chance = chance,
|
|
action = function(pos, node, _, active_object_count_wider)
|
|
if active_object_count_wider > active_object_count then
|
|
return
|
|
end
|
|
if not mobs.spawning_mobs[name] then
|
|
return
|
|
end
|
|
pos.y = pos.y+1
|
|
if not minetest.env:get_node_light(pos) then
|
|
return
|
|
end
|
|
if minetest.env:get_node_light(pos) > max_light then
|
|
return
|
|
end
|
|
if minetest.env:get_node_light(pos) < min_light then
|
|
return
|
|
end
|
|
if pos.y > max_height then
|
|
return
|
|
end
|
|
if minetest.env:get_node(pos).name ~= "air" then
|
|
return
|
|
end
|
|
pos.y = pos.y+1
|
|
if minetest.env:get_node(pos).name ~= "air" then
|
|
return
|
|
end
|
|
if spawn_func and not spawn_func(pos, node) then
|
|
return
|
|
end
|
|
|
|
if minetest.setting_getbool("display_mob_spawn") then
|
|
minetest.chat_send_all("[mobs] Add "..name.." at "..minetest.pos_to_string(pos))
|
|
end
|
|
minetest.env:add_entity(pos, name)
|
|
end
|
|
})
|
|
end
|
|
|
|
function mobs:register_arrow(name, def)
|
|
minetest.register_entity(name, {
|
|
physical = false,
|
|
visual = def.visual,
|
|
visual_size = def.visual_size,
|
|
textures = def.textures,
|
|
velocity = def.velocity,
|
|
hit_player = def.hit_player,
|
|
hit_node = def.hit_node,
|
|
|
|
on_step = function(self, dtime)
|
|
local pos = self.object:getpos()
|
|
if minetest.env:get_node(self.object:getpos()).name ~= "air" then
|
|
self.hit_node(self, pos, node)
|
|
self.object:remove()
|
|
return
|
|
end
|
|
pos.y = pos.y-1
|
|
for _,player in pairs(minetest.env:get_objects_inside_radius(pos, 1)) do
|
|
if player:is_player() then
|
|
self.hit_player(self, player)
|
|
self.object:remove()
|
|
return
|
|
end
|
|
end
|
|
end
|
|
})
|
|
end
|