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Merge pull request 'Refactor mob_step and do_states' (#3231) from mob_tweaks into master

Reviewed-on: MineClone2/MineClone2#3231
Reviewed-by: Michieal <michieal@noreply.git.minetest.land>
This commit is contained in:
ancientmarinerdev 2023-01-06 14:10:39 +00:00
commit 01bb753549
6 changed files with 679 additions and 659 deletions

View File

@ -2,8 +2,6 @@ local mob_class = mcl_mobs.mob_class
local mob_class_meta = {__index = mcl_mobs.mob_class} local mob_class_meta = {__index = mcl_mobs.mob_class}
local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
-- API for Mobs Redo: MineClone 2 Edition (MRM) -- API for Mobs Redo: MineClone 2 Edition (MRM)
local MAX_MOB_NAME_LENGTH = 30
local DEFAULT_FALL_SPEED = -9.81*1.5
local PATHFINDING = "gowp" local PATHFINDING = "gowp"
@ -17,21 +15,9 @@ local function mcl_log (message)
end end
end end
-- Invisibility mod check -- Invisibility mod check
mcl_mobs.invis = {} mcl_mobs.invis = {}
-- localize math functions
local atann = math.atan
local function atan(x)
if not x or x ~= x then
return 0
else
return atann(x)
end
end
local remove_far = true local remove_far = true
local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= false local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= false
@ -297,51 +283,67 @@ function mob_class:mob_activate(staticdata, def, dtime)
end end
end end
-- execute current state (stand, walk, run, attacks)
-- returns true if mob has died
function mob_class:do_states(dtime)
--if self.can_open_doors then check_doors(self) end
if self.state == "stand" then
self:do_states_stand()
elseif self.state == PATHFINDING then
self:check_gowp(dtime)
elseif self.state == "walk" then
self:do_states_walk()
elseif self.state == "runaway" then
-- runaway when punched
self:do_states_runaway()
elseif self.state == "attack" then
-- attack routines (explode, dogfight, shoot, dogshoot)
if self:do_states_attack(dtime) then
return true
end
end
end
local function update_timers (self, dtime)
-- knockback timer
if self.pause_timer > 0 then
self.pause_timer = self.pause_timer - dtime
return true
end
-- attack timer
self.timer = self.timer + dtime
if self.state ~= "attack" and self.state ~= PATHFINDING then
if self.timer < 1 then
return true
end
self.timer = 0
end
-- never go over 100
if self.timer > 100 then
self.timer = 1
end
end
-- main mob function -- main mob function
function mob_class:on_step(dtime) function mob_class:on_step(dtime)
self.lifetimer = self.lifetimer - dtime self.lifetimer = self.lifetimer - dtime
local pos = self.object:get_pos() local pos = self.object:get_pos()
if not pos then return end if not pos then return end
if self:check_despawn(pos) then return true end if self:check_despawn(pos) then return true end
local d = 0.85 self:slow_mob()
if self:check_dying() then d = 0.92 end
local v = self.object:get_velocity()
if v then
--diffuse object velocity
self.object:set_velocity({x = v.x*d, y = v.y, z = v.z*d})
end
if self:falling(pos) then return end if self:falling(pos) then return end
self:check_suspend() self:check_suspend()
self:check_water_flow() self:check_water_flow()
local yaw = 0 self:env_danger_movement_checks (dtime)
if self:is_at_water_danger() and self.state ~= "attack" then
if math.random(1, 10) <= 6 then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
yaw = yaw + math.random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8)
end
else
if self.move_in_group ~= false then
self:check_herd(dtime)
end
end
if self:is_at_cliff_or_danger() then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
end
if not self.fire_resistant then if not self.fire_resistant then
mcl_burning.tick(self.object, dtime, self) mcl_burning.tick(self.object, dtime, self)
@ -378,63 +380,23 @@ function mob_class:on_step(dtime)
-- run custom function (defined in mob lua file) -- run custom function (defined in mob lua file)
if self.do_custom then if self.do_custom then
-- when false skip going any further
if self.do_custom(self, dtime) == false then if self.do_custom(self, dtime) == false then
return return
end end
end end
-- knockback timer if update_timers(self, dtime) then return end
if self.pause_timer > 0 then
self.pause_timer = self.pause_timer - dtime
return
end
-- attack timer
self.timer = self.timer + dtime
if self.state ~= "attack" and self.state ~= PATHFINDING then
if self.timer < 1 then
return
end
self.timer = 0
end
self:check_particlespawners(dtime) self:check_particlespawners(dtime)
self:check_item_pickup() self:check_item_pickup()
-- never go over 100 -- mob plays random sound at times. Should be 120. Zombie and mob farms are ridiculous
if self.timer > 100 then
self.timer = 1
end
-- mob plays random sound at times
if math.random(1, 70) == 1 then if math.random(1, 70) == 1 then
self:mob_sound("random", true) self:mob_sound("random", true)
end end
-- environmental damage timer (every 1 second) if self:env_damage (dtime, pos) then return end
self.env_damage_timer = self.env_damage_timer + dtime if self:do_states(dtime) then return end
if (self.state == "attack" and self.env_damage_timer > 1)
or self.state ~= "attack" then
self:check_entity_cramming()
self.env_damage_timer = 0
-- check for environmental damage (water, fire, lava etc.)
if self:do_env_damage() then
return
end
-- node replace check (cow eats grass etc.)
self:replace(pos)
end
if self:do_states(dtime) then
return
end
if not self.object:get_luaentity() then if not self.object:get_luaentity() then
return false return false

View File

@ -1,7 +1,6 @@
local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
local mob_class = mcl_mobs.mob_class local mob_class = mcl_mobs.mob_class
local MAX_MOB_NAME_LENGTH = 30
local HORNY_TIME = 30 local HORNY_TIME = 30
local HORNY_AGAIN_TIME = 300 local HORNY_AGAIN_TIME = 300
local CHILD_GROW_TIME = 60*20 local CHILD_GROW_TIME = 60*20

View File

@ -8,6 +8,18 @@ local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
local stuck_timeout = 3 -- how long before mob gets stuck in place and starts searching local stuck_timeout = 3 -- how long before mob gets stuck in place and starts searching
local stuck_path_timeout = 10 -- how long will mob follow path before giving up local stuck_path_timeout = 10 -- how long will mob follow path before giving up
local enable_pathfinding = true
local atann = math.atan
local function atan(x)
if not x or x ~= x then
return 0
else
return atann(x)
end
end
-- check if daytime and also if mob is docile during daylight hours -- check if daytime and also if mob is docile during daylight hours
function mob_class:day_docile() function mob_class:day_docile()
if self.docile_by_day == false then if self.docile_by_day == false then
@ -794,3 +806,397 @@ function mob_class:check_aggro(dtime)
end end
self._check_aggro_timer = self._check_aggro_timer + dtime self._check_aggro_timer = self._check_aggro_timer + dtime
end end
function mob_class:do_states_attack (dtime)
local yaw = self.object:get_yaw() or 0
local s = self.object:get_pos()
local p = self.attack:get_pos() or s
-- stop attacking if player invisible or out of range
if not self.attack
or not self.attack:get_pos()
or not self:object_in_range(self.attack)
or self.attack:get_hp() <= 0
or (self.attack:is_player() and mcl_mobs.invis[ self.attack:get_player_name() ]) then
self.state = "stand"
self:set_velocity( 0)
self:set_animation( "stand")
self.attack = nil
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.path.way = nil
return
end
-- calculate distance from mob and enemy
local dist = vector.distance(p, s)
if self.attack_type == "explode" then
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if p.x > s.x then yaw = yaw +math.pi end
yaw = self:set_yaw( yaw, 0, dtime)
local node_break_radius = self.explosion_radius or 1
local entity_damage_radius = self.explosion_damage_radius
or (node_break_radius * 2)
-- start timer when in reach and line of sight
if not self.v_start
and dist <= self.reach
and self:line_of_sight( s, p, 2) then
self.v_start = true
self.timer = 0
self.blinktimer = 0
self:mob_sound("fuse", nil, false)
-- stop timer if out of reach or direct line of sight
elseif self.allow_fuse_reset
and self.v_start
and (dist >= self.explosiontimer_reset_radius
or not self:line_of_sight( s, p, 2)) then
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
self:remove_texture_mod("^[brighten")
end
-- walk right up to player unless the timer is active
if self.v_start and (self.stop_to_explode or dist < self.reach) then
self:set_velocity( 0)
else
self:set_velocity( self.run_velocity)
end
if self.animation and self.animation.run_start then
self:set_animation( "run")
else
self:set_animation( "walk")
end
if self.v_start then
self.timer = self.timer + dtime
self.blinktimer = (self.blinktimer or 0) + dtime
if self.blinktimer > 0.2 then
self.blinktimer = 0
if self.blinkstatus then
self:remove_texture_mod("^[brighten")
else
self:add_texture_mod("^[brighten")
end
self.blinkstatus = not self.blinkstatus
end
if self.timer > self.explosion_timer then
local pos = self.object:get_pos()
if mobs_griefing and not minetest.is_protected(pos, "") then
mcl_explosions.explode(mcl_util.get_object_center(self.object), self.explosion_strength, { drop_chance = 1.0 }, self.object)
else
minetest.sound_play(self.sounds.explode, {
pos = pos,
gain = 1.0,
max_hear_distance = self.sounds.distance or 32
}, true)
self:entity_physics(pos,entity_damage_radius)
mcl_mobs.effect(pos, 32, "mcl_particles_smoke.png", nil, nil, node_break_radius, 1, 0)
end
mcl_burning.extinguish(self.object)
self.object:remove()
return true
end
end
elseif self.attack_type == "dogfight"
or (self.attack_type == "dogshoot" and self:dogswitch(dtime) == 2) and (dist >= self.avoid_distance or not self.shooter_avoid_enemy)
or (self.attack_type == "dogshoot" and dist <= self.reach and self:dogswitch() == 0) then
if self.fly
and dist > self.reach then
local p1 = s
local me_y = math.floor(p1.y)
local p2 = p
local p_y = math.floor(p2.y + 1)
local v = self.object:get_velocity()
if self:flight_check( s) then
if me_y < p_y then
self.object:set_velocity({
x = v.x,
y = 1 * self.walk_velocity,
z = v.z
})
elseif me_y > p_y then
self.object:set_velocity({
x = v.x,
y = -1 * self.walk_velocity,
z = v.z
})
end
else
if me_y < p_y then
self.object:set_velocity({
x = v.x,
y = 0.01,
z = v.z
})
elseif me_y > p_y then
self.object:set_velocity({
x = v.x,
y = -0.01,
z = v.z
})
end
end
end
-- rnd: new movement direction
if self.path.following
and self.path.way
and self.attack_type ~= "dogshoot" then
-- no paths longer than 50
if #self.path.way > 50
or dist < self.reach then
self.path.following = false
return
end
local p1 = self.path.way[1]
if not p1 then
self.path.following = false
return
end
if math.abs(p1.x-s.x) + math.abs(p1.z - s.z) < 0.6 then
-- reached waypoint, remove it from queue
table.remove(self.path.way, 1)
end
-- set new temporary target
p = {x = p1.x, y = p1.y, z = p1.z}
end
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) + math.pi / 2) - self.rotate
if p.x > s.x then yaw = yaw + math.pi end
yaw = self:set_yaw( yaw, 0, dtime)
-- move towards enemy if beyond mob reach
if dist > self.reach then
-- path finding by rnd
if self.pathfinding -- only if mob has pathfinding enabled
and enable_pathfinding then
self:smart_mobs(s, p, dist, dtime)
end
if self:is_at_cliff_or_danger() then
self:set_velocity( 0)
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
if self.path.stuck then
self:set_velocity( self.walk_velocity)
else
self:set_velocity( self.run_velocity)
end
if self.animation and self.animation.run_start then
self:set_animation( "run")
else
self:set_animation( "walk")
end
end
else -- rnd: if inside reach range
self.path.stuck = false
self.path.stuck_timer = 0
self.path.following = false -- not stuck anymore
self:set_velocity( 0)
if not self.custom_attack then
if self.timer > 1 then
self.timer = 0
if self.double_melee_attack
and math.random(1, 2) == 1 then
self:set_animation( "punch2")
else
self:set_animation( "punch")
end
local p2 = p
local s2 = s
p2.y = p2.y + .5
s2.y = s2.y + .5
if self:line_of_sight( p2, s2) == true then
-- play attack sound
self:mob_sound("attack")
-- punch player (or what player is attached to)
local attached = self.attack:get_attach()
if attached then
self.attack = attached
end
self.attack:punch(self.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = self.damage}
}, nil)
end
end
else -- call custom attack every second
if self.custom_attack
and self.timer > 1 then
self.timer = 0
self.custom_attack(self, p)
end
end
end
elseif self.attack_type == "shoot"
or (self.attack_type == "dogshoot" and self:dogswitch(dtime) == 1)
or (self.attack_type == "dogshoot" and (dist > self.reach or dist < self.avoid_distance and self.shooter_avoid_enemy) and self:dogswitch() == 0) then
p.y = p.y - .5
s.y = s.y + .5
local dist = vector.distance(p, s)
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if p.x > s.x then yaw = yaw +math.pi end
yaw = self:set_yaw( yaw, 0, dtime)
local stay_away_from_player = vector.new(0,0,0)
--strafe back and fourth
--stay away from player so as to shoot them
if dist < self.avoid_distance and self.shooter_avoid_enemy then
self:set_animation( "shoot")
stay_away_from_player=vector.multiply(vector.direction(p, s), 0.33)
end
if self.strafes then
if not self.strafe_direction then
self.strafe_direction = 1.57
end
if math.random(40) == 1 then
self.strafe_direction = self.strafe_direction*-1
end
self.acc = vector.add(vector.multiply(vector.rotate_around_axis(vector.direction(s, p), vector.new(0,1,0), self.strafe_direction), 0.3*self.walk_velocity), stay_away_from_player)
else
self:set_velocity( 0)
end
local p = self.object:get_pos()
p.y = p.y + (self.collisionbox[2] + self.collisionbox[5]) / 2
if self.shoot_interval
and self.timer > self.shoot_interval
and not minetest.raycast(vector.add(p, vector.new(0,self.shoot_offset,0)), vector.add(self.attack:get_pos(), vector.new(0,1.5,0)), false, false):next()
and math.random(1, 100) <= 60 then
self.timer = 0
self:set_animation( "shoot")
-- play shoot attack sound
self:mob_sound("shoot_attack")
-- Shoot arrow
if minetest.registered_entities[self.arrow] then
local arrow, ent
local v = 1
if not self.shoot_arrow then
self.firing = true
minetest.after(1, function()
self.firing = false
end)
arrow = minetest.add_entity(p, self.arrow)
ent = arrow:get_luaentity()
if ent.velocity then
v = ent.velocity
end
ent.switch = 1
ent.owner_id = tostring(self.object) -- add unique owner id to arrow
-- important for mcl_shields
ent._shooter = self.object
ent._saved_shooter_pos = self.object:get_pos()
end
local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5
-- offset makes shoot aim accurate
vec.y = vec.y + self.shoot_offset
vec.x = vec.x * (v / amount)
vec.y = vec.y * (v / amount)
vec.z = vec.z * (v / amount)
if self.shoot_arrow then
vec = vector.normalize(vec)
self:shoot_arrow(p, vec)
else
arrow:set_velocity(vec)
end
end
end
else
end
end

View File

@ -116,6 +116,7 @@ function mob_class:mob_sound(soundname, is_opinion, fixed_pitch)
-- randomize the pitch a bit -- randomize the pitch a bit
pitch = pitch + math.random(-10, 10) * 0.005 pitch = pitch + math.random(-10, 10) * 0.005
end end
-- Should be 0.1 to 0.2 for mobs. Cow and zombie farms loud. At least have cool down.
minetest.sound_play(sound, { minetest.sound_play(sound, {
object = self.object, object = self.object,
gain = 1.0, gain = 1.0,

View File

@ -4,7 +4,6 @@ local DEFAULT_FALL_SPEED = -9.81*1.5
local FLOP_HEIGHT = 6 local FLOP_HEIGHT = 6
local FLOP_HOR_SPEED = 1.5 local FLOP_HOR_SPEED = 1.5
local PATHFINDING = "gowp" local PATHFINDING = "gowp"
local enable_pathfinding = true
local node_ice = "mcl_core:ice" local node_ice = "mcl_core:ice"
local node_snowblock = "mcl_core:snowblock" local node_snowblock = "mcl_core:snowblock"
@ -269,6 +268,31 @@ function mob_class:is_at_water_danger()
return false return false
end end
function mob_class:env_danger_movement_checks(dtime)
local yaw = 0
if self:is_at_water_danger() and self.state ~= "attack" then
if math.random(1, 10) <= 6 then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
yaw = yaw + math.random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8)
end
else
if self.move_in_group ~= false then
self:check_herd(dtime)
end
end
if self:is_at_cliff_or_danger() then
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
end
end
-- jump if facing a solid node (not fences or gates) -- jump if facing a solid node (not fences or gates)
function mob_class:do_jump() function mob_class:do_jump()
if not self.jump if not self.jump
@ -769,591 +793,190 @@ function mob_class:teleport(target)
end end
end end
-- execute current state (stand, walk, run, attacks) function mob_class:do_states_walk()
-- returns true if mob has died
function mob_class:do_states(dtime)
--if self.can_open_doors then check_doors(self) end
local yaw = self.object:get_yaw() or 0 local yaw = self.object:get_yaw() or 0
if self.state == "stand" then local s = self.object:get_pos()
if math.random(1, 4) == 1 then local lp = nil
-- is there something I need to avoid?
if (self.water_damage > 0
and self.lava_damage > 0)
or self.breath_max ~= -1 then
lp = minetest.find_node_near(s, 1, {"group:water", "group:lava"})
elseif self.water_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:water"})
elseif self.lava_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:lava"})
elseif self.fire_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:fire"})
end
local is_in_danger = false
if lp then
-- If mob in or on dangerous block, look for land
if (self:is_node_dangerous(self.standing_in) or
self:is_node_dangerous(self.standing_on)) or (self:is_node_waterhazard(self.standing_in) or self:is_node_waterhazard(self.standing_on)) and (not self.fly) then
is_in_danger = true
-- If mob in or on dangerous block, look for land
if is_in_danger then
-- Better way to find shore - copied from upstream
lp = minetest.find_nodes_in_area_under_air(
{x = s.x - 5, y = s.y - 0.5, z = s.z - 5},
{x = s.x + 5, y = s.y + 1, z = s.z + 5},
{"group:solid"})
lp = #lp > 0 and lp[math.random(#lp)]
-- did we find land?
if lp then
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if lp.x > s.x then yaw = yaw +math.pi end
-- look towards land and move in that direction
yaw = self:set_yaw( yaw, 6)
self:set_velocity(self.walk_velocity)
local s = self.object:get_pos()
local objs = minetest.get_objects_inside_radius(s, 3)
local lp
for n = 1, #objs do
if objs[n]:is_player() then
lp = objs[n]:get_pos()
break
end end
end end
-- look at any players nearby, otherwise turn randomly
if lp and self.look_at_players then
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if lp.x > s.x then yaw = yaw +math.pi end
else
yaw = yaw + math.random(-0.5, 0.5)
end
yaw = self:set_yaw( yaw, 8)
end
if self.order == "sit" then
self:set_animation( "sit")
self:set_velocity(0)
else
self:set_animation( "stand")
self:set_velocity(0)
end
-- npc's ordered to stand stay standing
if self.order == "stand" or self.order == "sleep" or self.order == "work" then
else
if self.walk_chance ~= 0
and self.facing_fence ~= true
and math.random(1, 100) <= self.walk_chance
and self:is_at_cliff_or_danger() == false then
self:set_velocity(self.walk_velocity)
self.state = "walk"
self:set_animation( "walk")
end
end
elseif self.state == PATHFINDING then
self:check_gowp(dtime)
elseif self.state == "walk" then
local s = self.object:get_pos()
local lp = nil
-- is there something I need to avoid?
if (self.water_damage > 0
and self.lava_damage > 0)
or self.breath_max ~= -1 then
lp = minetest.find_node_near(s, 1, {"group:water", "group:lava"})
elseif self.water_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:water"})
elseif self.lava_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:lava"})
elseif self.fire_damage > 0 then
lp = minetest.find_node_near(s, 1, {"group:fire"})
end
local is_in_danger = false
if lp then
-- If mob in or on dangerous block, look for land
if (self:is_node_dangerous(self.standing_in) or
self:is_node_dangerous(self.standing_on)) or (self:is_node_waterhazard(self.standing_in) or self:is_node_waterhazard(self.standing_on)) and (not self.fly) then
is_in_danger = true
-- If mob in or on dangerous block, look for land
if is_in_danger then
-- Better way to find shore - copied from upstream
lp = minetest.find_nodes_in_area_under_air(
{x = s.x - 5, y = s.y - 0.5, z = s.z - 5},
{x = s.x + 5, y = s.y + 1, z = s.z + 5},
{"group:solid"})
lp = #lp > 0 and lp[math.random(#lp)]
-- did we find land?
if lp then
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if lp.x > s.x then yaw = yaw +math.pi end
-- look towards land and move in that direction
yaw = self:set_yaw( yaw, 6)
self:set_velocity(self.walk_velocity)
end
end
-- A danger is near but mob is not inside -- A danger is near but mob is not inside
else else
-- Randomly turn -- Randomly turn
if math.random(1, 100) <= 30 then if math.random(1, 100) <= 30 then
yaw = yaw + math.random(-0.5, 0.5) yaw = yaw + math.random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8) yaw = self:set_yaw( yaw, 8)
end
end end
end
yaw = self:set_yaw( yaw, 8) yaw = self:set_yaw( yaw, 8)
-- otherwise randomly turn -- otherwise randomly turn
elseif math.random(1, 100) <= 30 then elseif math.random(1, 100) <= 30 then
yaw = yaw + math.random(-0.5, 0.5) yaw = yaw + math.random(-0.5, 0.5)
yaw = self:set_yaw( yaw, 8) yaw = self:set_yaw( yaw, 8)
end end
-- stand for great fall or danger or fence in front -- stand for great fall or danger or fence in front
local cliff_or_danger = false local cliff_or_danger = false
if is_in_danger then if is_in_danger then
cliff_or_danger = self:is_at_cliff_or_danger() cliff_or_danger = self:is_at_cliff_or_danger()
end end
if self.facing_fence == true if self.facing_fence == true
or cliff_or_danger or cliff_or_danger
or math.random(1, 100) <= 30 then or math.random(1, 100) <= 30 then
self:set_velocity(0) self:set_velocity(0)
self.state = "stand" self.state = "stand"
self:set_animation( "stand") self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0 local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8) yaw = self:set_yaw( yaw + 0.78, 8)
else
self:set_velocity(self.walk_velocity)
if self:flight_check()
and self.animation
and self.animation.fly_start
and self.animation.fly_end then
self:set_animation( "fly")
else else
self:set_animation( "walk")
self:set_velocity(self.walk_velocity)
if self:flight_check()
and self.animation
and self.animation.fly_start
and self.animation.fly_end then
self:set_animation( "fly")
else
self:set_animation( "walk")
end
end
-- runaway when punched
elseif self.state == "runaway" then
self.runaway_timer = self.runaway_timer + 1
-- stop after 5 seconds or when at cliff
if self.runaway_timer > 5
or self:is_at_cliff_or_danger() then
self.runaway_timer = 0
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
self:set_velocity( self.run_velocity)
self:set_animation( "run")
end
-- attack routines (explode, dogfight, shoot, dogshoot)
elseif self.state == "attack" then
local s = self.object:get_pos()
local p = self.attack:get_pos() or s
-- stop attacking if player invisible or out of range
if not self.attack
or not self.attack:get_pos()
or not self:object_in_range(self.attack)
or self.attack:get_hp() <= 0
or (self.attack:is_player() and mcl_mobs.invis[ self.attack:get_player_name() ]) then
self.state = "stand"
self:set_velocity( 0)
self:set_animation( "stand")
self.attack = nil
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.path.way = nil
return
end
-- calculate distance from mob and enemy
local dist = vector.distance(p, s)
if self.attack_type == "explode" then
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if p.x > s.x then yaw = yaw +math.pi end
yaw = self:set_yaw( yaw, 0, dtime)
local node_break_radius = self.explosion_radius or 1
local entity_damage_radius = self.explosion_damage_radius
or (node_break_radius * 2)
-- start timer when in reach and line of sight
if not self.v_start
and dist <= self.reach
and self:line_of_sight( s, p, 2) then
self.v_start = true
self.timer = 0
self.blinktimer = 0
self:mob_sound("fuse", nil, false)
-- stop timer if out of reach or direct line of sight
elseif self.allow_fuse_reset
and self.v_start
and (dist >= self.explosiontimer_reset_radius
or not self:line_of_sight( s, p, 2)) then
self.v_start = false
self.timer = 0
self.blinktimer = 0
self.blinkstatus = false
self:remove_texture_mod("^[brighten")
end
-- walk right up to player unless the timer is active
if self.v_start and (self.stop_to_explode or dist < self.reach) then
self:set_velocity( 0)
else
self:set_velocity( self.run_velocity)
end
if self.animation and self.animation.run_start then
self:set_animation( "run")
else
self:set_animation( "walk")
end
if self.v_start then
self.timer = self.timer + dtime
self.blinktimer = (self.blinktimer or 0) + dtime
if self.blinktimer > 0.2 then
self.blinktimer = 0
if self.blinkstatus then
self:remove_texture_mod("^[brighten")
else
self:add_texture_mod("^[brighten")
end
self.blinkstatus = not self.blinkstatus
end
if self.timer > self.explosion_timer then
local pos = self.object:get_pos()
if mobs_griefing and not minetest.is_protected(pos, "") then
mcl_explosions.explode(mcl_util.get_object_center(self.object), self.explosion_strength, { drop_chance = 1.0 }, self.object)
else
minetest.sound_play(self.sounds.explode, {
pos = pos,
gain = 1.0,
max_hear_distance = self.sounds.distance or 32
}, true)
self:entity_physics(pos,entity_damage_radius)
mcl_mobs.effect(pos, 32, "mcl_particles_smoke.png", nil, nil, node_break_radius, 1, 0)
end
mcl_burning.extinguish(self.object)
self.object:remove()
return true
end
end
elseif self.attack_type == "dogfight"
or (self.attack_type == "dogshoot" and self:dogswitch(dtime) == 2) and (dist >= self.avoid_distance or not self.shooter_avoid_enemy)
or (self.attack_type == "dogshoot" and dist <= self.reach and self:dogswitch() == 0) then
if self.fly
and dist > self.reach then
local p1 = s
local me_y = math.floor(p1.y)
local p2 = p
local p_y = math.floor(p2.y + 1)
local v = self.object:get_velocity()
if self:flight_check( s) then
if me_y < p_y then
self.object:set_velocity({
x = v.x,
y = 1 * self.walk_velocity,
z = v.z
})
elseif me_y > p_y then
self.object:set_velocity({
x = v.x,
y = -1 * self.walk_velocity,
z = v.z
})
end
else
if me_y < p_y then
self.object:set_velocity({
x = v.x,
y = 0.01,
z = v.z
})
elseif me_y > p_y then
self.object:set_velocity({
x = v.x,
y = -0.01,
z = v.z
})
end
end
end
-- rnd: new movement direction
if self.path.following
and self.path.way
and self.attack_type ~= "dogshoot" then
-- no paths longer than 50
if #self.path.way > 50
or dist < self.reach then
self.path.following = false
return
end
local p1 = self.path.way[1]
if not p1 then
self.path.following = false
return
end
if math.abs(p1.x-s.x) + math.abs(p1.z - s.z) < 0.6 then
-- reached waypoint, remove it from queue
table.remove(self.path.way, 1)
end
-- set new temporary target
p = {x = p1.x, y = p1.y, z = p1.z}
end
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) + math.pi / 2) - self.rotate
if p.x > s.x then yaw = yaw + math.pi end
yaw = self:set_yaw( yaw, 0, dtime)
-- move towards enemy if beyond mob reach
if dist > self.reach then
-- path finding by rnd
if self.pathfinding -- only if mob has pathfinding enabled
and enable_pathfinding then
self:smart_mobs(s, p, dist, dtime)
end
if self:is_at_cliff_or_danger() then
self:set_velocity( 0)
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
if self.path.stuck then
self:set_velocity( self.walk_velocity)
else
self:set_velocity( self.run_velocity)
end
if self.animation and self.animation.run_start then
self:set_animation( "run")
else
self:set_animation( "walk")
end
end
else -- rnd: if inside reach range
self.path.stuck = false
self.path.stuck_timer = 0
self.path.following = false -- not stuck anymore
self:set_velocity( 0)
if not self.custom_attack then
if self.timer > 1 then
self.timer = 0
if self.double_melee_attack
and math.random(1, 2) == 1 then
self:set_animation( "punch2")
else
self:set_animation( "punch")
end
local p2 = p
local s2 = s
p2.y = p2.y + .5
s2.y = s2.y + .5
if self:line_of_sight( p2, s2) == true then
-- play attack sound
self:mob_sound("attack")
-- punch player (or what player is attached to)
local attached = self.attack:get_attach()
if attached then
self.attack = attached
end
self.attack:punch(self.object, 1.0, {
full_punch_interval = 1.0,
damage_groups = {fleshy = self.damage}
}, nil)
end
end
else -- call custom attack every second
if self.custom_attack
and self.timer > 1 then
self.timer = 0
self.custom_attack(self, p)
end
end
end
elseif self.attack_type == "shoot"
or (self.attack_type == "dogshoot" and self:dogswitch(dtime) == 1)
or (self.attack_type == "dogshoot" and (dist > self.reach or dist < self.avoid_distance and self.shooter_avoid_enemy) and self:dogswitch() == 0) then
p.y = p.y - .5
s.y = s.y + .5
local dist = vector.distance(p, s)
local vec = {
x = p.x - s.x,
y = p.y - s.y,
z = p.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if p.x > s.x then yaw = yaw +math.pi end
yaw = self:set_yaw( yaw, 0, dtime)
local stay_away_from_player = vector.new(0,0,0)
--strafe back and fourth
--stay away from player so as to shoot them
if dist < self.avoid_distance and self.shooter_avoid_enemy then
self:set_animation( "shoot")
stay_away_from_player=vector.multiply(vector.direction(p, s), 0.33)
end
if self.strafes then
if not self.strafe_direction then
self.strafe_direction = 1.57
end
if math.random(40) == 1 then
self.strafe_direction = self.strafe_direction*-1
end
self.acc = vector.add(vector.multiply(vector.rotate_around_axis(vector.direction(s, p), vector.new(0,1,0), self.strafe_direction), 0.3*self.walk_velocity), stay_away_from_player)
else
self:set_velocity( 0)
end
local p = self.object:get_pos()
p.y = p.y + (self.collisionbox[2] + self.collisionbox[5]) / 2
if self.shoot_interval
and self.timer > self.shoot_interval
and not minetest.raycast(vector.add(p, vector.new(0,self.shoot_offset,0)), vector.add(self.attack:get_pos(), vector.new(0,1.5,0)), false, false):next()
and math.random(1, 100) <= 60 then
self.timer = 0
self:set_animation( "shoot")
-- play shoot attack sound
self:mob_sound("shoot_attack")
-- Shoot arrow
if minetest.registered_entities[self.arrow] then
local arrow, ent
local v = 1
if not self.shoot_arrow then
self.firing = true
minetest.after(1, function()
self.firing = false
end)
arrow = minetest.add_entity(p, self.arrow)
ent = arrow:get_luaentity()
if ent.velocity then
v = ent.velocity
end
ent.switch = 1
ent.owner_id = tostring(self.object) -- add unique owner id to arrow
-- important for mcl_shields
ent._shooter = self.object
ent._saved_shooter_pos = self.object:get_pos()
end
local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5
-- offset makes shoot aim accurate
vec.y = vec.y + self.shoot_offset
vec.x = vec.x * (v / amount)
vec.y = vec.y * (v / amount)
vec.z = vec.z * (v / amount)
if self.shoot_arrow then
vec = vector.normalize(vec)
self:shoot_arrow(p, vec)
else
arrow:set_velocity(vec)
end
end
end
else
end end
end end
end end
function mob_class:do_states_stand()
local yaw = self.object:get_yaw() or 0
if math.random(1, 4) == 1 then
local s = self.object:get_pos()
local objs = minetest.get_objects_inside_radius(s, 3)
local lp
for n = 1, #objs do
if objs[n]:is_player() then
lp = objs[n]:get_pos()
break
end
end
-- look at any players nearby, otherwise turn randomly
if lp and self.look_at_players then
local vec = {
x = lp.x - s.x,
z = lp.z - s.z
}
yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if lp.x > s.x then yaw = yaw +math.pi end
else
yaw = yaw + math.random(-0.5, 0.5)
end
yaw = self:set_yaw( yaw, 8)
end
if self.order == "sit" then
self:set_animation( "sit")
self:set_velocity(0)
else
self:set_animation( "stand")
self:set_velocity(0)
end
-- npc's ordered to stand stay standing
if self.order == "stand" or self.order == "sleep" or self.order == "work" then
else
if self.walk_chance ~= 0
and self.facing_fence ~= true
and math.random(1, 100) <= self.walk_chance
and self:is_at_cliff_or_danger() == false then
self:set_velocity(self.walk_velocity)
self.state = "walk"
self:set_animation( "walk")
end
end
end
function mob_class:do_states_runaway()
local yaw = self.object:get_yaw() or 0
self.runaway_timer = self.runaway_timer + 1
-- stop after 5 seconds or when at cliff
if self.runaway_timer > 5
or self:is_at_cliff_or_danger() then
self.runaway_timer = 0
self:set_velocity(0)
self.state = "stand"
self:set_animation( "stand")
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 0.78, 8)
else
self:set_velocity( self.run_velocity)
self:set_animation( "run")
end
end
function mob_class:check_smooth_rotation(dtime) function mob_class:check_smooth_rotation(dtime)
-- smooth rotation by ThomasMonroe314 -- smooth rotation by ThomasMonroe314
if self._turn_to then if self._turn_to then

View File

@ -5,8 +5,7 @@ local ENTITY_CRAMMING_MAX = 24
local CRAMMING_DAMAGE = 3 local CRAMMING_DAMAGE = 3
local DEATH_DELAY = 0.5 local DEATH_DELAY = 0.5
local DEFAULT_FALL_SPEED = -9.81*1.5 local DEFAULT_FALL_SPEED = -9.81*1.5
local FLOP_HEIGHT = 6
local FLOP_HOR_SPEED = 1.5
local PATHFINDING = "gowp" local PATHFINDING = "gowp"
local mobs_debug = minetest.settings:get_bool("mobs_debug", false) local mobs_debug = minetest.settings:get_bool("mobs_debug", false)
local mobs_drop_items = minetest.settings:get_bool("mobs_drop_items") ~= false local mobs_drop_items = minetest.settings:get_bool("mobs_drop_items") ~= false
@ -183,6 +182,17 @@ function mob_class:collision()
return({x,z}) return({x,z})
end end
function mob_class:slow_mob()
local d = 0.85
if self:check_dying() then d = 0.92 end
local v = self.object:get_velocity()
if v then
--diffuse object velocity
self.object:set_velocity({x = v.x*d, y = v.y, z = v.z*d})
end
end
-- move mob in facing direction -- move mob in facing direction
function mob_class:set_velocity(v) function mob_class:set_velocity(v)
local c_x, c_y = 0, 0 local c_x, c_y = 0, 0
@ -778,6 +788,25 @@ function mob_class:do_env_damage()
return self:check_for_death("", {type = "unknown"}) return self:check_for_death("", {type = "unknown"})
end end
function mob_class:env_damage (dtime, pos)
-- environmental damage timer (every 1 second)
self.env_damage_timer = self.env_damage_timer + dtime
if (self.state == "attack" and self.env_damage_timer > 1)
or self.state ~= "attack" then
self:check_entity_cramming()
self.env_damage_timer = 0
-- check for environmental damage (water, fire, lava etc.)
if self:do_env_damage() then
return true
end
-- node replace check (cow eats grass etc.)
self:replace(pos)
end
end
function mob_class:damage_mob(reason,damage) function mob_class:damage_mob(reason,damage)
if not self.health then return end if not self.health then return end
damage = math.floor(damage) damage = math.floor(damage)