Split off general movement functions

This commit is contained in:
cora 2022-11-10 20:44:31 +01:00
parent e7d9ded9ab
commit cc77e109f5
4 changed files with 757 additions and 748 deletions

View File

@ -138,46 +138,6 @@ function mob_class:object_in_range(object)
return p1 and p2 and (vector.distance(p1, p2) <= dist) return p1 and p2 and (vector.distance(p1, p2) <= dist)
end end
-- Returns true is node can deal damage to self
local is_node_dangerous = function(self, nodename)
local nn = nodename
if self.lava_damage > 0 then
if minetest.get_item_group(nn, "lava") ~= 0 then
return true
end
end
if self.fire_damage > 0 then
if minetest.get_item_group(nn, "fire") ~= 0 then
return true
end
end
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].damage_per_second and minetest.registered_nodes[nn].damage_per_second > 0 then
return true
end
return false
end
-- Returns true if node is a water hazard
local is_node_waterhazard = function(self, nodename)
local nn = nodename
if self.water_damage > 0 then
if minetest.get_item_group(nn, "water") ~= 0 then
return true
end
end
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].drowning and minetest.registered_nodes[nn].drowning > 0 then
if self.breath_max ~= -1 then
-- check if the mob is water-breathing _and_ the block is water; only return true if neither is the case
-- this will prevent water-breathing mobs to classify water or e.g. sand below them as dangerous
if not self.breathes_in_water and minetest.get_item_group(nn, "water") ~= 0 then
return true
end
end
end
return false
end
-- check if within physical map limits (-30911 to 30927) -- check if within physical map limits (-30911 to 30927)
local function within_limits(pos, radius) local function within_limits(pos, radius)
local wmin, wmax = -30912, 30928 local wmin, wmax = -30912, 30928
@ -210,670 +170,6 @@ local node_ok = function(pos, fallback)
return minetest.registered_nodes[fallback] return minetest.registered_nodes[fallback]
end end
local can_jump_cliff = function(self)
local yaw = self.object:get_yaw()
local pos = self.object:get_pos()
local v = self.object:get_velocity()
local v2 = math.abs(v.x)+math.abs(v.z)*.833
local jump_c_multiplier = 1
if v2/self.walk_velocity/2>1 then
jump_c_multiplier = v2/self.walk_velocity/2
end
-- where is front
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
--is there nothing under the block in front? if so jump the gap.
local nodLow = node_ok({
x = pos.x + dir_x-0.6,
y = pos.y - 0.5,
z = pos.z + dir_z-0.6
}, "air")
local nodFar = node_ok({
x = pos.x + dir_x*2,
y = pos.y - 0.5,
z = pos.z + dir_z*2
}, "air")
local nodFar2 = node_ok({
x = pos.x + dir_x*2.5,
y = pos.y - 0.5,
z = pos.z + dir_z*2.5
}, "air")
if minetest.registered_nodes[nodLow.name]
and minetest.registered_nodes[nodLow.name].walkable ~= true
and (minetest.registered_nodes[nodFar.name]
and minetest.registered_nodes[nodFar.name].walkable == true
or minetest.registered_nodes[nodFar2.name]
and minetest.registered_nodes[nodFar2.name].walkable == true)
then
--disable fear heigh while we make our jump
self._jumping_cliff = true
minetest.after(1, function()
if self and self.object then
self._jumping_cliff = false
end
end)
return true
else
return false
end
end
-- is mob facing a cliff or danger
local is_at_cliff_or_danger = function(self)
if self.fear_height == 0 or can_jump_cliff(self) or self._jumping_cliff or not self.object:get_luaentity() then -- 0 for no falling protection!
return false
end
local yaw = self.object:get_yaw()
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:get_pos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
local free_fall, blocker = minetest.line_of_sight(
{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
{x = pos.x + dir_x, y = ypos - self.fear_height, z = pos.z + dir_z})
if free_fall then
return true
else
local bnode = minetest.get_node(blocker)
local danger = is_node_dangerous(self, bnode.name)
if danger then
return true
else
local def = minetest.registered_nodes[bnode.name]
if def and def.walkable then
return false
end
end
end
return false
end
-- copy the 'mob facing cliff_or_danger check' from above, and rework to avoid water
local is_at_water_danger = function(self)
if not self.object:get_luaentity() or can_jump_cliff(self) or self._jumping_cliff then
return false
end
local yaw = self.object:get_yaw()
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:get_pos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
local free_fall, blocker = minetest.line_of_sight(
{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
{x = pos.x + dir_x, y = ypos - 3, z = pos.z + dir_z})
if free_fall then
return true
else
local bnode = minetest.get_node(blocker)
local waterdanger = is_node_waterhazard(self, bnode.name)
if
waterdanger and (is_node_waterhazard(self, self.standing_in) or is_node_waterhazard(self, self.standing_on)) then
return false
elseif waterdanger and (is_node_waterhazard(self, self.standing_in) or is_node_waterhazard(self, self.standing_on)) == false then
return true
else
local def = minetest.registered_nodes[bnode.name]
if def and def.walkable then
return false
end
end
end
return false
end
-- jump if facing a solid node (not fences or gates)
local do_jump = function(self)
if not self.jump
or self.jump_height == 0
or self.fly
or (self.child and self.type ~= "monster")
or self.order == "stand" then
return false
end
self.facing_fence = false
-- something stopping us while moving?
if self.state ~= "stand"
and self:get_velocity() > 0.5
and self.object:get_velocity().y ~= 0 then
return false
end
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
-- what is mob standing on?
pos.y = pos.y + self.collisionbox[2] - 0.2
local nod = node_ok(pos)
if minetest.registered_nodes[nod.name].walkable == false then
return false
end
local v = self.object:get_velocity()
local v2 = math.abs(v.x)+math.abs(v.z)*.833
local jump_c_multiplier = 1
if v2/self.walk_velocity/2>1 then
jump_c_multiplier = v2/self.walk_velocity/2
end
-- where is front
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
-- what is in front of mob?
nod = node_ok({
x = pos.x + dir_x,
y = pos.y + 0.5,
z = pos.z + dir_z
})
-- this is used to detect if there's a block on top of the block in front of the mob.
-- If there is, there is no point in jumping as we won't manage.
local nodTop = node_ok({
x = pos.x + dir_x,
y = pos.y + 1.5,
z = pos.z + dir_z
}, "air")
-- we don't attempt to jump if there's a stack of blocks blocking
if minetest.registered_nodes[nodTop.name].walkable == true and not (self.attack and self.state == "attack") then
return false
end
-- thin blocks that do not need to be jumped
if nod.name == node_snow then
return false
end
local ndef = minetest.registered_nodes[nod.name]
if self.walk_chance == 0 or ndef and ndef.walkable or can_jump_cliff(self) then
if minetest.get_item_group(nod.name, "fence") == 0
and minetest.get_item_group(nod.name, "fence_gate") == 0
and minetest.get_item_group(nod.name, "wall") == 0 then
local v = self.object:get_velocity()
v.y = self.jump_height + 0.1 * 3
if can_jump_cliff(self) then
v=vector.multiply(v, vector.new(2.8,1,2.8))
end
self:set_animation( "jump") -- only when defined
self.object:set_velocity(v)
-- when in air move forward
minetest.after(0.3, function(self, v)
if (not self.object) or (not self.object:get_luaentity()) or (self.state == "die") then
return
end
self.object:set_acceleration({
x = v.x * 2,
y = DEFAULT_FALL_SPEED,
z = v.z * 2,
})
end, self, v)
if self.jump_sound_cooloff <= 0 then
self:mob_sound("jump")
self.jump_sound_cooloff = 0.5
end
else
self.facing_fence = true
end
-- if we jumped against a block/wall 4 times then turn
if self.object:get_velocity().x ~= 0
and self.object:get_velocity().z ~= 0 then
self.jump_count = (self.jump_count or 0) + 1
if self.jump_count == 4 then
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 1.35, 8)
self.jump_count = 0
end
end
return true
end
return false
end
-- should mob follow what I'm holding ?
local follow_holding = function(self, clicker)
if self.nofollow then return false end
if mcl_mobs.invis[clicker:get_player_name()] then
return false
end
local item = clicker:get_wielded_item()
local t = type(self.follow)
-- single item
if t == "string"
and item:get_name() == self.follow then
return true
-- multiple items
elseif t == "table" then
for no = 1, #self.follow do
if self.follow[no] == item:get_name() then
return true
end
end
end
return false
end
-- find and replace what mob is looking for (grass, wheat etc.)
local replace = function(self, pos)
if not self.replace_rate
or not self.replace_what
or self.child == true
or self.object:get_velocity().y ~= 0
or math.random(1, self.replace_rate) > 1 then
return
end
local what, with, y_offset
if type(self.replace_what[1]) == "table" then
local num = math.random(#self.replace_what)
what = self.replace_what[num][1] or ""
with = self.replace_what[num][2] or ""
y_offset = self.replace_what[num][3] or 0
else
what = self.replace_what
with = self.replace_with or ""
y_offset = self.replace_offset or 0
end
pos.y = pos.y + y_offset
local node = minetest.get_node(pos)
if node.name == what then
local oldnode = {name = what, param2 = node.param2}
local newnode = {name = with, param2 = node.param2}
local on_replace_return
if self.on_replace then
on_replace_return = self.on_replace(self, pos, oldnode, newnode)
end
if on_replace_return ~= false then
if mobs_griefing then
minetest.set_node(pos, newnode)
end
end
end
end
-- check if daytime and also if mob is docile during daylight hours
local day_docile = function(self)
if self.docile_by_day == false then
return false
elseif self.docile_by_day == true
and self.time_of_day > 0.2
and self.time_of_day < 0.8 then
return true
end
end
-- specific runaway
local specific_runaway = function(list, what)
-- no list so do not run
if list == nil then
return false
end
-- found entity on list to attack?
for no = 1, #list do
if list[no] == what then
return true
end
end
return false
end
-- find someone to runaway from
local runaway_from = function(self)
if not self.runaway_from and self.state ~= "flop" then
return
end
local s = self.object:get_pos()
local p, sp, dist
local player, obj, min_player
local type, name = "", ""
local min_dist = self.view_range + 1
local objs = minetest.get_objects_inside_radius(s, self.view_range)
for n = 1, #objs do
if objs[n]:is_player() then
if mcl_mobs.invis[ objs[n]:get_player_name() ]
or self.owner == objs[n]:get_player_name()
or (not self:object_in_range(objs[n])) then
type = ""
else
player = objs[n]
type = "player"
name = "player"
end
else
obj = objs[n]:get_luaentity()
if obj then
player = obj.object
type = obj.type
name = obj.name or ""
end
end
-- find specific mob to runaway from
if name ~= "" and name ~= self.name
and specific_runaway(self.runaway_from, name) then
p = player:get_pos()
sp = s
-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
dist = vector.distance(p, s)
-- choose closest player/mpb to runaway from
if dist < min_dist
and self:line_of_sight(sp, p, 2) == true then
min_dist = dist
min_player = player
end
end
end
if min_player then
local lp = player:get_pos()
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
local yaw = (atan(vec.z / vec.x) + 3 *math.pi/ 2) - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
yaw = self:set_yaw( yaw, 4)
self.state = "runaway"
self.runaway_timer = 3
self.following = nil
end
end
-- follow player if owner or holding item, if fish outta water then flop
local follow_flop = function(self)
-- find player to follow
if (self.follow ~= ""
or self.order == "follow")
and not self.following
and self.state ~= "attack"
and self.order ~= "sit"
and self.state ~= "runaway" then
local s = self.object:get_pos()
local players = minetest.get_connected_players()
for n = 1, #players do
if (self:object_in_range(players[n]))
and not mcl_mobs.invis[ players[n]:get_player_name() ] then
self.following = players[n]
break
end
end
end
if self.type == "npc"
and self.order == "follow"
and self.state ~= "attack"
and self.order ~= "sit"
and self.owner ~= "" then
-- npc stop following player if not owner
if self.following
and self.owner
and self.owner ~= self.following:get_player_name() then
self.following = nil
end
else
-- stop following player if not holding specific item,
-- mob is horny, fleeing or attacking
if self.following
and self.following:is_player()
and (follow_holding(self, self.following) == false or
self.horny or self.state == "runaway") then
self.following = nil
end
end
-- follow that thing
if self.following then
local s = self.object:get_pos()
local p
if self.following:is_player() then
p = self.following:get_pos()
elseif self.following.object then
p = self.following.object:get_pos()
end
if p then
local dist = vector.distance(p, s)
-- dont follow if out of range
if (not self:object_in_range(self.following)) then
self.following = nil
else
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
local yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if p.x > s.x then yaw = yaw +math.pi end
self:set_yaw( yaw, 2.35)
-- anyone but standing npc's can move along
if dist > 3
and self.order ~= "stand" then
self:set_velocity(self.follow_velocity)
if self.walk_chance ~= 0 then
self:set_animation( "run")
end
else
self:set_velocity(0)
self:set_animation( "stand")
end
return
end
end
end
-- swimmers flop when out of their element, and swim again when back in
if self.fly then
local s = self.object:get_pos()
if self:flight_check( s) == false then
self.state = "flop"
self.object:set_acceleration({x = 0, y = DEFAULT_FALL_SPEED, z = 0})
local p = self.object:get_pos()
local sdef = minetest.registered_nodes[node_ok(vector.add(p, vector.new(0,self.collisionbox[2]-0.2,0))).name]
-- Flop on ground
if sdef and sdef.walkable then
if self.object:get_velocity().y < 0.1 then
self:mob_sound("flop")
self.object:set_velocity({
x = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
y = FLOP_HEIGHT,
z = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
})
end
end
self:set_animation( "stand", true)
return
elseif self.state == "flop" then
self.state = "stand"
self.object:set_acceleration({x = 0, y = 0, z = 0})
self:set_velocity(0)
end
end
end
local function go_to_pos(entity,b)
if not entity then return end
local s=entity.object:get_pos()
if not b then
--self.state = "stand"
return end
if vector.distance(b,s) < 1 then
--entity:set_velocity(0)
return true
end
local v = { x = b.x - s.x, z = b.z - s.z }
local yaw = (atann(v.z / v.x) +math.pi/ 2) - entity.rotate
if b.x > s.x then yaw = yaw +math.pi end
entity.object:set_yaw(yaw)
entity:set_velocity(entity.follow_velocity)
entity:set_animation("walk")
end
local function interact_with_door(self, action, target)
local p = self.object:get_pos()
--local t = minetest.get_timeofday()
--local dd = minetest.find_nodes_in_area(vector.offset(p,-1,-1,-1),vector.offset(p,1,1,1),{"group:door"})
--for _,d in pairs(dd) do
if target then
mcl_log("Door target is: ".. minetest.pos_to_string(target))
local n = minetest.get_node(target)
if n.name:find("_b_") or n.name:find("_t_") then
mcl_log("Door")
local def = minetest.registered_nodes[n.name]
local closed = n.name:find("_b_1") or n.name:find("_t_1")
--if self.state == PATHFINDING then
if closed and action == "open" and def.on_rightclick then
mcl_log("Open door")
def.on_rightclick(target,n,self)
end
if not closed and action == "close" and def.on_rightclick then
mcl_log("Close door")
def.on_rightclick(target,n,self)
end
--else
else
mcl_log("Not door")
end
else
mcl_log("no target. cannot try and open or close door")
end
--end
end
local function do_pathfind_action (self, action)
if action then
mcl_log("Action present")
local type = action["type"]
local action_val = action["action"]
local target = action["target"]
if target then
mcl_log("Target: ".. minetest.pos_to_string(target))
end
if type and type == "door" then
mcl_log("Type is door")
interact_with_door(self, action_val, target)
end
end
end
-- execute current state (stand, walk, run, attacks) -- execute current state (stand, walk, run, attacks)
-- returns true if mob has died -- returns true if mob has died
local do_states = function(self, dtime) local do_states = function(self, dtime)
@ -926,7 +222,7 @@ local do_states = function(self, dtime)
if self.walk_chance ~= 0 if self.walk_chance ~= 0
and self.facing_fence ~= true and self.facing_fence ~= true
and math.random(1, 100) <= self.walk_chance and math.random(1, 100) <= self.walk_chance
and is_at_cliff_or_danger(self) == false then and self:is_at_cliff_or_danger() == false then
self:set_velocity(self.walk_velocity) self:set_velocity(self.walk_velocity)
self.state = "walk" self.state = "walk"
@ -965,8 +261,8 @@ local do_states = function(self, dtime)
local is_in_danger = false local is_in_danger = false
if lp then if lp then
-- If mob in or on dangerous block, look for land -- If mob in or on dangerous block, look for land
if (is_node_dangerous(self, self.standing_in) or if (self:is_node_dangerous(self.standing_in) or
is_node_dangerous(self, self.standing_on)) or (is_node_waterhazard(self, self.standing_in) or is_node_waterhazard(self, self.standing_on)) and (not self.fly) then 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 is_in_danger = true
-- If mob in or on dangerous block, look for land -- If mob in or on dangerous block, look for land
@ -1020,7 +316,7 @@ local do_states = function(self, dtime)
-- 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 = is_at_cliff_or_danger(self) 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
@ -1052,7 +348,7 @@ local do_states = function(self, dtime)
-- stop after 5 seconds or when at cliff -- stop after 5 seconds or when at cliff
if self.runaway_timer > 5 if self.runaway_timer > 5
or is_at_cliff_or_danger(self) then or self:is_at_cliff_or_danger() then
self.runaway_timer = 0 self.runaway_timer = 0
self:set_velocity(0) self:set_velocity(0)
self.state = "stand" self.state = "stand"
@ -1285,7 +581,7 @@ local do_states = function(self, dtime)
self:smart_mobs(s, p, dist, dtime) self:smart_mobs(s, p, dist, dtime)
end end
if is_at_cliff_or_danger(self) then if self:is_at_cliff_or_danger() then
self:set_velocity( 0) self:set_velocity( 0)
self:set_animation( "stand") self:set_animation( "stand")
@ -1486,15 +782,6 @@ local function check_herd(self,dtime)
end end
end end
local teleport = function(self, target)
if self.do_teleport then
if self.do_teleport(self, target) == false then
return
end
end
end
-- deal damage and effects when mob punched -- deal damage and effects when mob punched
local mob_punch = function(self, hitter, tflp, tool_capabilities, dir) local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
@ -2014,24 +1301,10 @@ local mob_activate = function(self, staticdata, def, dtime)
-- run after_activate -- run after_activate
if def.after_activate then if def.after_activate then
def.after_activate(self, staticdata, def, dtime) def.after_activate(self, staticdata, def, dtime)
end end
end end
local function check_aggro(self,dtime)
if not self._aggro or not self.attack then return end
if not self._check_aggro_timer or self._check_aggro_timer > 5 then
self._check_aggro_timer = 0
if not self.attack:get_pos() or vector.distance(self.attack:get_pos(),self.object:get_pos()) > 128 then
self._aggro = nil
self.attack = nil
self.state = "stand"
end
end
self._check_aggro_timer = self._check_aggro_timer + dtime
end
-- main mob function -- main mob function
local mob_step = function(self, dtime) local mob_step = function(self, dtime)
self.lifetimer = self.lifetimer - dtime self.lifetimer = self.lifetimer - dtime
@ -2088,7 +1361,7 @@ local mob_step = function(self, dtime)
self.object:set_velocity({x = v.x*d, y = v.y, z = v.z*d}) self.object:set_velocity({x = v.x*d, y = v.y, z = v.z*d})
end end
check_aggro(self,dtime) self:check_aggro(dtime)
self:check_item_pickup() self:check_item_pickup()
self:check_particlespawners(dtime) self:check_particlespawners(dtime)
@ -2120,7 +1393,7 @@ local mob_step = function(self, dtime)
end end
--Mob following code. --Mob following code.
follow_flop(self) self:follow_flop()
--set animation speed relitive to velocity --set animation speed relitive to velocity
local v = self.object:get_velocity() local v = self.object:get_velocity()
@ -2314,13 +1587,11 @@ local mob_step = function(self, dtime)
end end
-- node replace check (cow eats grass etc.) -- node replace check (cow eats grass etc.)
replace(self, pos) self:replace(pos)
end end
self:monster_attack() self:monster_attack()
self:npc_attack() self:npc_attack()
self:check_breeding() self:check_breeding()
if do_states(self, dtime) then if do_states(self, dtime) then
@ -2331,13 +1602,13 @@ local mob_step = function(self, dtime)
return false return false
end end
do_jump(self) self:do_jump()
self:set_armor_texture() self:set_armor_texture()
runaway_from(self) self:check_runaway_from()
if is_at_water_danger(self) and self.state ~= "attack" then if self:is_at_water_danger() and self.state ~= "attack" then
if math.random(1, 10) <= 6 then if math.random(1, 10) <= 6 then
self:set_velocity(0) self:set_velocity(0)
self.state = "stand" self.state = "stand"
@ -2389,7 +1660,7 @@ local mob_step = function(self, dtime)
return return
end end
if is_at_cliff_or_danger(self) then if self:is_at_cliff_or_danger() then
self:set_velocity(0) self:set_velocity(0)
self.state = "stand" self.state = "stand"
self:set_animation( "stand") self:set_animation( "stand")
@ -2400,9 +1671,8 @@ end
-- default function when mobs are blown up with TNT -- default function when mobs are blown up with TNT
local do_tnt = function(obj, damage) local function do_tnt(damage)
self.object:punch(self.object, 1.0, {
obj.object:punch(obj.object, 1.0, {
full_punch_interval = 1.0, full_punch_interval = 1.0,
damage_groups = {fleshy = damage}, damage_groups = {fleshy = damage},
}, nil) }, nil)
@ -2449,6 +1719,9 @@ local create_mob_on_rightclick = function(on_rightclick)
end end
end end
--#### REGISTER FUNCS
-- register mob entity -- register mob entity
function mcl_mobs.register_mob(name, def) function mcl_mobs.register_mob(name, def)
@ -2480,7 +1753,6 @@ if collisionbox[5] < 0.79 then
end end
minetest.register_entity(name, setmetatable({ minetest.register_entity(name, setmetatable({
use_texture_alpha = def.use_texture_alpha, use_texture_alpha = def.use_texture_alpha,
head_swivel = def.head_swivel or nil, -- bool to activate this function head_swivel = def.head_swivel or nil, -- bool to activate this function
head_yaw_offset = def.head_yaw_offset or 0, -- for wonkey model bones head_yaw_offset = def.head_yaw_offset or 0, -- for wonkey model bones
@ -2604,7 +1876,6 @@ minetest.register_entity(name, setmetatable({
shooter_avoid_enemy = def.shooter_avoid_enemy, shooter_avoid_enemy = def.shooter_avoid_enemy,
strafes = def.strafes, strafes = def.strafes,
avoid_distance = def.avoid_distance or 9, avoid_distance = def.avoid_distance or 9,
teleport = teleport,
do_teleport = def.do_teleport, do_teleport = def.do_teleport,
spawn_class = def.spawn_class, spawn_class = def.spawn_class,
can_spawn = def.can_spawn, can_spawn = def.can_spawn,

View File

@ -6,6 +6,17 @@ local enable_pathfinding = true
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
-- check if daytime and also if mob is docile during daylight hours
function mob_class:day_docile()
if self.docile_by_day == false then
return false
elseif self.docile_by_day == true
and self.time_of_day > 0.2
and self.time_of_day < 0.8 then
return true
end
end
-- attack player/mob -- attack player/mob
function mob_class:do_attack(player) function mob_class:do_attack(player)
@ -307,7 +318,7 @@ function mob_class:monster_attack()
if not damage_enabled if not damage_enabled
or self.passive ~= false or self.passive ~= false
or self.state == "attack" or self.state == "attack"
or day_docile(self) then or self:day_docile() then
return return
end end
@ -490,3 +501,17 @@ function mob_class:boom(pos, strength, fire)
-- delete the object after it punched the player to avoid nil entities in e.g. mcl_shields!! -- delete the object after it punched the player to avoid nil entities in e.g. mcl_shields!!
self.object:remove() self.object:remove()
end end
function mob_class:check_aggro(dtime)
if not self._aggro or not self.attack then return end
if not self._check_aggro_timer or self._check_aggro_timer > 5 then
self._check_aggro_timer = 0
if not self.attack:get_pos() or vector.distance(self.attack:get_pos(),self.object:get_pos()) > 128 then
self._aggro = nil
self.attack = nil
self.state = "stand"
end
end
self._check_aggro_timer = self._check_aggro_timer + dtime
end

View File

@ -5,14 +5,22 @@ mcl_mobs.mob_class_meta = {__index = mcl_mobs.mob_class}
local path = minetest.get_modpath(minetest.get_current_modname()) local path = minetest.get_modpath(minetest.get_current_modname())
--api and helpers --api and helpers
-- effects: sounds and particles mostly
dofile(path .. "/effects.lua") dofile(path .. "/effects.lua")
-- physics: involuntary mob movement - particularly falling and death
dofile(path .. "/physics.lua") dofile(path .. "/physics.lua")
-- movement: general voluntary mob movement, walking avoiding cliffs etc.
dofile(path .. "/movement.lua") dofile(path .. "/movement.lua")
-- items: item management for mobs
dofile(path .. "/items.lua") dofile(path .. "/items.lua")
-- pathfinding: pathfinding to target positions
dofile(path .. "/pathfinding.lua") dofile(path .. "/pathfinding.lua")
-- combat: attack logic
dofile(path .. "/combat.lua") dofile(path .. "/combat.lua")
-- the enity functions themselves
dofile(path .. "/api.lua") dofile(path .. "/api.lua")
--utility functions --utility functions
dofile(path .. "/breeding.lua") dofile(path .. "/breeding.lua")
dofile(path .. "/spawning.lua") dofile(path .. "/spawning.lua")

View File

@ -1,5 +1,58 @@
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 DEFAULT_FALL_SPEED = -9.81*1.5
local FLOP_HEIGHT = 6
local FLOP_HOR_SPEED = 1.5
-- get node but use fallback for nil or unknown
local node_ok = function(pos, fallback)
fallback = fallback or mcl_mobs.fallback_node
local node = minetest.get_node_or_nil(pos)
if node and minetest.registered_nodes[node.name] then
return node
end
return minetest.registered_nodes[fallback]
end
-- Returns true is node can deal damage to self
function mob_class:is_node_dangerous(nodename)
local nn = nodename
if self.lava_damage > 0 then
if minetest.get_item_group(nn, "lava") ~= 0 then
return true
end
end
if self.fire_damage > 0 then
if minetest.get_item_group(nn, "fire") ~= 0 then
return true
end
end
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].damage_per_second and minetest.registered_nodes[nn].damage_per_second > 0 then
return true
end
return false
end
-- Returns true if node is a water hazard
function mob_class:is_node_waterhazard(nodename)
local nn = nodename
if self.water_damage > 0 then
if minetest.get_item_group(nn, "water") ~= 0 then
return true
end
end
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].drowning and minetest.registered_nodes[nn].drowning > 0 then
if self.breath_max ~= -1 then
-- check if the mob is water-breathing _and_ the block is water; only return true if neither is the case
-- this will prevent water-breathing mobs to classify water or e.g. sand below them as dangerous
if not self.breathes_in_water and minetest.get_item_group(nn, "water") ~= 0 then
return true
end
end
end
return false
end
-- check line of sight (BrunoMine) -- check line of sight (BrunoMine)
function mob_class:line_of_sight(pos1, pos2, stepsize) function mob_class:line_of_sight(pos1, pos2, stepsize)
@ -69,3 +122,655 @@ function mob_class:line_of_sight(pos1, pos2, stepsize)
return false return false
end end
function mob_class:can_jump_cliff()
local yaw = self.object:get_yaw()
local pos = self.object:get_pos()
local v = self.object:get_velocity()
local v2 = math.abs(v.x)+math.abs(v.z)*.833
local jump_c_multiplier = 1
if v2/self.walk_velocity/2>1 then
jump_c_multiplier = v2/self.walk_velocity/2
end
-- where is front
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
--is there nothing under the block in front? if so jump the gap.
local nodLow = node_ok({
x = pos.x + dir_x-0.6,
y = pos.y - 0.5,
z = pos.z + dir_z-0.6
}, "air")
local nodFar = node_ok({
x = pos.x + dir_x*2,
y = pos.y - 0.5,
z = pos.z + dir_z*2
}, "air")
local nodFar2 = node_ok({
x = pos.x + dir_x*2.5,
y = pos.y - 0.5,
z = pos.z + dir_z*2.5
}, "air")
if minetest.registered_nodes[nodLow.name]
and minetest.registered_nodes[nodLow.name].walkable ~= true
and (minetest.registered_nodes[nodFar.name]
and minetest.registered_nodes[nodFar.name].walkable == true
or minetest.registered_nodes[nodFar2.name]
and minetest.registered_nodes[nodFar2.name].walkable == true)
then
--disable fear heigh while we make our jump
self._jumping_cliff = true
minetest.after(1, function()
if self and self.object then
self._jumping_cliff = false
end
end)
return true
else
return false
end
end
-- is mob facing a cliff or danger
function mob_class:is_at_cliff_or_danger()
if self.fear_height == 0 or self:can_jump_cliff() or self._jumping_cliff or not self.object:get_luaentity() then -- 0 for no falling protection!
return false
end
local yaw = self.object:get_yaw()
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:get_pos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
local free_fall, blocker = minetest.line_of_sight(
{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
{x = pos.x + dir_x, y = ypos - self.fear_height, z = pos.z + dir_z})
if free_fall then
return true
else
local bnode = minetest.get_node(blocker)
local danger = self:is_node_dangerous(bnode.name)
if danger then
return true
else
local def = minetest.registered_nodes[bnode.name]
if def and def.walkable then
return false
end
end
end
return false
end
-- copy the 'mob facing cliff_or_danger check' from above, and rework to avoid water
function mob_class:is_at_water_danger()
if not self.object:get_luaentity() or self:can_jump_cliff() or self._jumping_cliff then
return false
end
local yaw = self.object:get_yaw()
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local pos = self.object:get_pos()
local ypos = pos.y + self.collisionbox[2] -- just above floor
local free_fall, blocker = minetest.line_of_sight(
{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
{x = pos.x + dir_x, y = ypos - 3, z = pos.z + dir_z})
if free_fall then
return true
else
local bnode = minetest.get_node(blocker)
local waterdanger = self:is_node_waterhazard(bnode.name)
if
waterdanger and (self:is_node_waterhazard(self.standing_in) or self:is_node_waterhazard( self.standing_on)) then
return false
elseif waterdanger and (self:is_node_waterhazard(self.standing_in) or self:is_node_waterhazard(self.standing_on)) == false then
return true
else
local def = minetest.registered_nodes[bnode.name]
if def and def.walkable then
return false
end
end
end
return false
end
-- jump if facing a solid node (not fences or gates)
function mob_class:do_jump()
if not self.jump
or self.jump_height == 0
or self.fly
or (self.child and self.type ~= "monster")
or self.order == "stand" then
return false
end
self.facing_fence = false
-- something stopping us while moving?
if self.state ~= "stand"
and self:get_velocity() > 0.5
and self.object:get_velocity().y ~= 0 then
return false
end
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
-- what is mob standing on?
pos.y = pos.y + self.collisionbox[2] - 0.2
local nod = node_ok(pos)
if minetest.registered_nodes[nod.name].walkable == false then
return false
end
local v = self.object:get_velocity()
local v2 = math.abs(v.x)+math.abs(v.z)*.833
local jump_c_multiplier = 1
if v2/self.walk_velocity/2>1 then
jump_c_multiplier = v2/self.walk_velocity/2
end
-- where is front
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)*jump_c_multiplier+0.6
-- what is in front of mob?
nod = node_ok({
x = pos.x + dir_x,
y = pos.y + 0.5,
z = pos.z + dir_z
})
-- this is used to detect if there's a block on top of the block in front of the mob.
-- If there is, there is no point in jumping as we won't manage.
local nodTop = node_ok({
x = pos.x + dir_x,
y = pos.y + 1.5,
z = pos.z + dir_z
}, "air")
-- we don't attempt to jump if there's a stack of blocks blocking
if minetest.registered_nodes[nodTop.name].walkable == true and not (self.attack and self.state == "attack") then
return false
end
-- thin blocks that do not need to be jumped
if nod.name == node_snow then
return false
end
local ndef = minetest.registered_nodes[nod.name]
if self.walk_chance == 0 or ndef and ndef.walkable or self:can_jump_cliff() then
if minetest.get_item_group(nod.name, "fence") == 0
and minetest.get_item_group(nod.name, "fence_gate") == 0
and minetest.get_item_group(nod.name, "wall") == 0 then
local v = self.object:get_velocity()
v.y = self.jump_height + 0.1 * 3
if self:can_jump_cliff() then
v=vector.multiply(v, vector.new(2.8,1,2.8))
end
self:set_animation( "jump") -- only when defined
self.object:set_velocity(v)
-- when in air move forward
minetest.after(0.3, function(self, v)
if (not self.object) or (not self.object:get_luaentity()) or (self.state == "die") then
return
end
self.object:set_acceleration({
x = v.x * 2,
y = DEFAULT_FALL_SPEED,
z = v.z * 2,
})
end, self, v)
if self.jump_sound_cooloff <= 0 then
self:mob_sound("jump")
self.jump_sound_cooloff = 0.5
end
else
self.facing_fence = true
end
-- if we jumped against a block/wall 4 times then turn
if self.object:get_velocity().x ~= 0
and self.object:get_velocity().z ~= 0 then
self.jump_count = (self.jump_count or 0) + 1
if self.jump_count == 4 then
local yaw = self.object:get_yaw() or 0
yaw = self:set_yaw( yaw + 1.35, 8)
self.jump_count = 0
end
end
return true
end
return false
end
-- should mob follow what I'm holding ?
function mob_class:follow_holding(clicker)
if self.nofollow then return false end
if mcl_mobs.invis[clicker:get_player_name()] then
return false
end
local item = clicker:get_wielded_item()
local t = type(self.follow)
-- single item
if t == "string"
and item:get_name() == self.follow then
return true
-- multiple items
elseif t == "table" then
for no = 1, #self.follow do
if self.follow[no] == item:get_name() then
return true
end
end
end
return false
end
-- find and replace what mob is looking for (grass, wheat etc.)
function mob_class:replace(pos)
if not self.replace_rate
or not self.replace_what
or self.child == true
or self.object:get_velocity().y ~= 0
or math.random(1, self.replace_rate) > 1 then
return
end
local what, with, y_offset
if type(self.replace_what[1]) == "table" then
local num = math.random(#self.replace_what)
what = self.replace_what[num][1] or ""
with = self.replace_what[num][2] or ""
y_offset = self.replace_what[num][3] or 0
else
what = self.replace_what
with = self.replace_with or ""
y_offset = self.replace_offset or 0
end
pos.y = pos.y + y_offset
local node = minetest.get_node(pos)
if node.name == what then
local oldnode = {name = what, param2 = node.param2}
local newnode = {name = with, param2 = node.param2}
local on_replace_return
if self.on_replace then
on_replace_return = self.on_replace(self, pos, oldnode, newnode)
end
if on_replace_return ~= false then
if mobs_griefing then
minetest.set_node(pos, newnode)
end
end
end
end
-- specific runaway
local specific_runaway = function(list, what)
if type(list) ~= "table" then
list = {}
end
-- no list so do not run
if list == nil then
return false
end
-- found entity on list to attack?
for no = 1, #list do
if list[no] == what then
return true
end
end
return false
end
-- find someone to runaway from
function mob_class:check_runaway_from()
if not self.runaway_from and self.state ~= "flop" then
return
end
local s = self.object:get_pos()
local p, sp, dist
local player, obj, min_player
local type, name = "", ""
local min_dist = self.view_range + 1
local objs = minetest.get_objects_inside_radius(s, self.view_range)
for n = 1, #objs do
if objs[n]:is_player() then
if mcl_mobs.invis[ objs[n]:get_player_name() ]
or self.owner == objs[n]:get_player_name()
or (not self:object_in_range(objs[n])) then
type = ""
else
player = objs[n]
type = "player"
name = "player"
end
else
obj = objs[n]:get_luaentity()
if obj then
player = obj.object
type = obj.type
name = obj.name or ""
end
end
-- find specific mob to runaway from
if name ~= "" and name ~= self.name
and specific_runaway(self.runaway_from, name) then
p = player:get_pos()
sp = s
-- aim higher to make looking up hills more realistic
p.y = p.y + 1
sp.y = sp.y + 1
dist = vector.distance(p, s)
-- choose closest player/mpb to runaway from
if dist < min_dist
and self:line_of_sight(sp, p, 2) == true then
min_dist = dist
min_player = player
end
end
end
if min_player then
local lp = player:get_pos()
local vec = {
x = lp.x - s.x,
y = lp.y - s.y,
z = lp.z - s.z
}
local yaw = (atan(vec.z / vec.x) + 3 *math.pi/ 2) - self.rotate
if lp.x > s.x then
yaw = yaw + pi
end
yaw = self:set_yaw( yaw, 4)
self.state = "runaway"
self.runaway_timer = 3
self.following = nil
end
end
-- follow player if owner or holding item, if fish outta water then flop
function mob_class:follow_flop()
-- find player to follow
if (self.follow ~= ""
or self.order == "follow")
and not self.following
and self.state ~= "attack"
and self.order ~= "sit"
and self.state ~= "runaway" then
local s = self.object:get_pos()
local players = minetest.get_connected_players()
for n = 1, #players do
if (self:object_in_range(players[n]))
and not mcl_mobs.invis[ players[n]:get_player_name() ] then
self.following = players[n]
break
end
end
end
if self.type == "npc"
and self.order == "follow"
and self.state ~= "attack"
and self.order ~= "sit"
and self.owner ~= "" then
-- npc stop following player if not owner
if self.following
and self.owner
and self.owner ~= self.following:get_player_name() then
self.following = nil
end
else
-- stop following player if not holding specific item,
-- mob is horny, fleeing or attacking
if self.following
and self.following:is_player()
and (self:follow_holding(self.following) == false or
self.horny or self.state == "runaway") then
self.following = nil
end
end
-- follow that thing
if self.following then
local s = self.object:get_pos()
local p
if self.following:is_player() then
p = self.following:get_pos()
elseif self.following.object then
p = self.following.object:get_pos()
end
if p then
local dist = vector.distance(p, s)
-- dont follow if out of range
if (not self:object_in_range(self.following)) then
self.following = nil
else
local vec = {
x = p.x - s.x,
z = p.z - s.z
}
local yaw = (atan(vec.z / vec.x) +math.pi/ 2) - self.rotate
if p.x > s.x then yaw = yaw +math.pi end
self:set_yaw( yaw, 2.35)
-- anyone but standing npc's can move along
if dist > 3
and self.order ~= "stand" then
self:set_velocity(self.follow_velocity)
if self.walk_chance ~= 0 then
self:set_animation( "run")
end
else
self:set_velocity(0)
self:set_animation( "stand")
end
return
end
end
end
-- swimmers flop when out of their element, and swim again when back in
if self.fly then
local s = self.object:get_pos()
if self:flight_check( s) == false then
self.state = "flop"
self.object:set_acceleration({x = 0, y = DEFAULT_FALL_SPEED, z = 0})
local p = self.object:get_pos()
local sdef = minetest.registered_nodes[node_ok(vector.add(p, vector.new(0,self.collisionbox[2]-0.2,0))).name]
-- Flop on ground
if sdef and sdef.walkable then
if self.object:get_velocity().y < 0.1 then
self:mob_sound("flop")
self.object:set_velocity({
x = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
y = FLOP_HEIGHT,
z = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
})
end
end
self:set_animation( "stand", true)
return
elseif self.state == "flop" then
self.state = "stand"
self.object:set_acceleration({x = 0, y = 0, z = 0})
self:set_velocity(0)
end
end
end
function mob_class:go_to_pos(b)
if not self then return end
local s=self.object:get_pos()
if not b then
--self.state = "stand"
return end
if vector.distance(b,s) < 1 then
--self:set_velocity(0)
return true
end
local v = { x = b.x - s.x, z = b.z - s.z }
local yaw = (atann(v.z / v.x) +math.pi/ 2) - self.rotate
if b.x > s.x then yaw = yaw +math.pi end
self.object:set_yaw(yaw)
self:set_velocity(self.follow_velocity)
self:set_animation("walk")
end
function mob_class:interact_with_door(action, target)
local p = self.object:get_pos()
--local t = minetest.get_timeofday()
--local dd = minetest.find_nodes_in_area(vector.offset(p,-1,-1,-1),vector.offset(p,1,1,1),{"group:door"})
--for _,d in pairs(dd) do
if target then
mcl_log("Door target is: ".. minetest.pos_to_string(target))
local n = minetest.get_node(target)
if n.name:find("_b_") or n.name:find("_t_") then
mcl_log("Door")
local def = minetest.registered_nodes[n.name]
local closed = n.name:find("_b_1") or n.name:find("_t_1")
--if self.state == PATHFINDING then
if closed and action == "open" and def.on_rightclick then
mcl_log("Open door")
def.on_rightclick(target,n,self)
end
if not closed and action == "close" and def.on_rightclick then
mcl_log("Close door")
def.on_rightclick(target,n,self)
end
--else
else
mcl_log("Not door")
end
else
mcl_log("no target. cannot try and open or close door")
end
--end
end
function mob_class:do_pathfind_action(action)
if action then
mcl_log("Action present")
local type = action["type"]
local action_val = action["action"]
local target = action["target"]
if target then
mcl_log("Target: ".. minetest.pos_to_string(target))
end
if type and type == "door" then
mcl_log("Type is door")
self:interact_with_door(action_val, target)
end
end
end
function mob_class:teleport(target)
if self.do_teleport then
if self.do_teleport(self, target) == false then
return
end
end
end