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add pathfinding addition by Elkien3 (with changes)

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TenPlus1 2018-05-04 09:20:00 +01:00
parent 1a8f503e06
commit 52b6a377f6
1 changed files with 88 additions and 17 deletions
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95
api.lua
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@ -3,7 +3,7 @@
mobs = {}
mobs.mod = "redo"
mobs.version = "20180428"
mobs.version = "20180504"
-- Intllib
@ -1077,13 +1077,18 @@ local day_docile = function(self)
end
-- path finding and smart mob routine by rnd
local los_switcher = false
local height_switcher = false
-- path finding and smart mob routine by rnd, line_of_sight and other edits by Elkien3
local smart_mobs = function(self, s, p, dist, dtime)
local s1 = self.path.lastpos
local target_pos = self.attack:get_pos()
-- is it becoming stuck?
if abs(s1.x - s.x) + abs(s1.z - s.z) < 1.5 then
if abs(s1.x - s.x) + abs(s1.z - s.z) < .5 then
self.path.stuck_timer = self.path.stuck_timer + dtime
else
self.path.stuck_timer = 0
@ -1091,12 +1096,64 @@ local smart_mobs = function(self, s, p, dist, dtime)
self.path.lastpos = {x = s.x, y = s.y, z = s.z}
-- im stuck, search for path
if (self.path.stuck_timer > stuck_timeout and not self.path.following)
or (self.path.stuck_timer > stuck_path_timeout and self.path.following) then
local use_pathfind = false
local has_lineofsight = minetest.line_of_sight(
{x = s.x, y = (s.y) + .5, z = s.z},
{x = target_pos.x, y = (target_pos.y) + 1.5, z = target_pos.z}, .2)
-- im stuck, search for path
if not has_lineofsight then
if los_switcher == true then
use_pathfind = true
los_switcher = false
end -- cannot see target!
else
if los_switcher == false then
los_switcher = true
use_pathfind = false
minetest.after(1, function(self)
if has_lineofsight then self.path.following = false end
end, self)
end -- can see target!
end
if (self.path.stuck_timer > stuck_timeout and not self.path.following) then
use_pathfind = true
self.path.stuck_timer = 0
minetest.after(1, function(self)
if has_lineofsight then self.path.following = false end
end, self)
end
if (self.path.stuck_timer > stuck_path_timeout and self.path.following) then
use_pathfind = true
self.path.stuck_timer = 0
minetest.after(1, function(self)
if has_lineofsight then self.path.following = false end
end, self)
end
if math.abs(vector.subtract(s,target_pos).y) > self.stepheight then
if height_switcher then
use_pathfind = true
height_switcher = false
end
else
if not height_switcher then
use_pathfind = false
height_switcher = true
end
end
if use_pathfind then
-- lets try find a path, first take care of positions
-- since pathfinder is very sensitive
local sheight = self.collisionbox[5] - self.collisionbox[2]
@ -1124,15 +1181,30 @@ local smart_mobs = function(self, s, p, dist, dtime)
local dropheight = 6
if self.fear_height ~= 0 then dropheight = self.fear_height end
-- self.path.way = minetest.find_path(s, p1, 16, 2, 6, "Dijkstra")
self.path.way = minetest.find_path(s, p1, 16, self.stepheight, dropheight, "A*_noprefetch")
self.path.way = minetest.find_path(s, p1, 16, self.stepheight, dropheight, "Dijkstra")
--[[
if self.path.way and #self.path.way > 0 then
print ("-- path length:" .. tonumber(#self.path.way))
for _,pos in pairs(self.path.way) do
minetest.add_particle({
pos = pos,
velocity = {x=0, y=0, z=0},
acceleration = {x=0, y=0, z=0},
expirationtime = 1,
size = 4,
collisiondetection = false,
vertical = false,
texture = "heart.png",
})
end
end
]]
-- attempt to unstick mob that is "daydreaming"
self.object:setpos({
--[[self.object:setpos({
x = s.x + 0.1 * (random() * 2 - 1),
y = s.y + 1,
z = s.z + 0.1 * (random() * 2 - 1)
})
})--]]
self.state = ""
do_attack(self, self.attack)
@ -1238,7 +1310,6 @@ local smart_mobs = function(self, s, p, dist, dtime)
else
-- yay i found path
mob_sound(self, self.sounds.war_cry)
set_velocity(self, self.walk_velocity)
-- follow path now that it has it