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Make mobs use pacman style pathfinding randomly

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This commit is contained in:
oilboi 2020-02-28 01:36:24 -05:00
parent 77dd1460c9
commit 7312fd3124
2 changed files with 67 additions and 68 deletions
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130
mods/mob/init.lua
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@ -126,57 +126,51 @@ minetest.register_entity("mob:pig", {
end
end
end,
--this makes the mob change it's direction when aimlessly walking
direction = function(self,dtime)
self.direction_timer = self.direction_timer + dtime
self.change_direction = false
--change direction
if self.direction_timer >= self.direction_timer_goal then
--print("changing direction")
self.direction_timer = 0
self.direction_timer_goal = math.random(2,4)
self.change_direction = true
--this is the brain of the mob
logic = function(self,dtime)
if not self.path then
self.path_find(self)
else
self.delete_path_node(self)
self.move(self)
if self.path and table.getn(self.path) > 0 then
for _,p in pairs(self.path) do
minetest.add_particle({
pos = p,
velocity = {x=0, y=0, z=0},
acceleration = {x=0, y=0, z=0},
expirationtime = 0.1,
size = 1,
collisiondetection = false,
vertical = false,
texture = "wood.png",
})
end
end
end
end,
--this sets a random direction and speed when walking
walk_random = function(self)
if not self.goal_position then
self.find_position(self)
delete_path_node = function(self)
local pos = vector.floor(vector.add(self.object:getpos(),0.5))
local goalnode = self.path[1]
if vector.equals(pos,goalnode) then
table.remove(self.path, 1)
end
if table.getn(self.path) < 1 then
self.path = nil
end
self.path_find(self)
if self.path then
local pos = self.object:getpos()
local pos2 = self.path[1]
local direction = vector.normalize(vector.subtract(pos,pos2))
self.direction_goal = direction
print("GOOOAL")
end
end,
end,
path_find = function(self)
if not self.path and self.goal_position then
local pos2 = self.find_position(self)
if not self.path and pos2 then
local pos = vector.floor(vector.add(self.object:getpos(),0.5))
local pos2 = self.goal_position
local path = minetest.find_path(pos,pos2,10,1,3,"A*")
if path then
print("found path")
self.path = path
for _,p in pairs(path) do
minetest.add_particle({
pos = p,
velocity = {x=0, y=0, z=0},
acceleration = {x=0, y=0, z=0},
expirationtime = 1,
size = 1,
collisiondetection = false,
vertical = false,
texture = "wood.png",
})
end
end
end
end,
@ -195,10 +189,9 @@ minetest.register_entity("mob:pig", {
--print(dump(spawner))
if table.getn(location) > 0 then
local goal_pos = location[1]
goal_pos.y = goal_pos.y + 1
print("found: "..minetest.pos_to_string(goal_pos))
self.goal_position = goal_pos
local goal_pos = location[1]
goal_pos.y = goal_pos.y + 1
return(goal_pos)
end
end,
@ -207,24 +200,30 @@ minetest.register_entity("mob:pig", {
--This makes the mob walk at a certain speed
move = function(self)
local vel = self.object:getvelocity()
local goal = self.direction_goal
local acceleration = vector.new(goal.x-vel.x,0,goal.z-vel.z)
self.object:add_velocity(acceleration)
if self.path then
local vel = self.object:getvelocity()
local pos = self.object:getpos()
local dir = vector.normalize(vector.subtract(self.path[1],pos))
local goal = vector.multiply(dir,2)
local acceleration = vector.new(goal.x-vel.x,0,goal.z-vel.z)
self.object:add_velocity(acceleration)
end
end,
--make the mob jump
jump = function(self,punched)
local pos = self.object:getpos()
local ray = Raycast(pos, vector.add(pos,self.direction_goal), false, false)
local vel = self.object:getvelocity()
if (punched or ray:next()) and minetest.get_node(vector.new(pos.x,pos.y-0.02,pos.z)).name ~= "air" and self.swimming == false then
--print("jump")
local vel = self.object:getvelocity()
local goal = 5
local acceleration = vector.new(0,goal-vel.y,0)
self.object:add_velocity(acceleration)
if self.path then
local pos = self.object:getpos()
local pos2 = self.path[1]
print(pos.y - pos2.y)
if pos2.y - pos.y > 1 then
--print("jump")
local vel = self.object:getvelocity()
local goal = 5
local acceleration = vector.new(0,goal-vel.y,0)
self.object:add_velocity(acceleration)
end
end
end,
@ -246,19 +245,14 @@ minetest.register_entity("mob:pig", {
--sets the mob animation and speed
set_animation = function(self)
local distance = vector.distance(vector.new(0,0,0), self.direction_goal)
local distance = vector.distance(vector.new(0,0,0), self.object:getvelocity())
self.object:set_animation_frame_speed(distance*20)
end,
on_step = function(self, dtime)
self.push(self)
self.direction(self,dtime)
if not self.path then
self.walk_random(self)
end
self.move(self)
self.swim(self)
--self.push(self)
self.logic(self,dtime)
--self.swim(self)
self.jump(self,false)
self.set_animation(self)
end,

5
mods/mob/spawning.lua
View File

@ -8,7 +8,11 @@ local timer = 0
local inner = 24
local outer = 128
--for debug testing to isolate mobs
local spawn = false
minetest.register_globalstep(function(dtime)
if spawn then
timer = timer + dtime
if timer >= tick and math.random(1,chance) == chance then
print("ticking")
@ -52,4 +56,5 @@ minetest.register_globalstep(function(dtime)
elseif timer > tick then
timer = 0
end
end
end)