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Improve mob:get_wander_pos_3d()

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ElCeejo 2022-02-23 01:41:56 -08:00 • committed by GitHub
parent 86db107a69
commit f11e6d458f
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1 changed files with 46 additions and 23 deletions
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69
mob_meta.lua
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@ -368,7 +368,6 @@ function mob:get_wander_pos(min_range, max_range, dir)
local pos = vec_center(self.object:get_pos()) local pos = vec_center(self.object:get_pos())
pos.y = floor(pos.y + 0.5) pos.y = floor(pos.y + 0.5)
local node = minetest.get_node(pos) local node = minetest.get_node(pos)
local us = minetest.get_us_time()
if get_node_def(node.name).walkable then -- Occurs if small mob is touching a fence if get_node_def(node.name).walkable then -- Occurs if small mob is touching a fence
local offset = vector.add(pos, vec_multi(vec_dir(pos, self.object:get_pos()), 1.5)) local offset = vector.add(pos, vec_multi(vec_dir(pos, self.object:get_pos()), 1.5))
pos.x = floor(offset.x + 0.5) pos.x = floor(offset.x + 0.5)
@ -418,31 +417,55 @@ function mob:get_wander_pos(min_range, max_range, dir)
return pos2 return pos2
end end
function mob:get_wander_pos_3d(min_range, max_range) function mob:get_wander_pos_3d(min_range, max_range, dir, vert_bias)
local pos = self.object:get_pos() local pos = vec_center(self.object:get_pos())
local outset = random(min_range, max_range) pos.y = floor(pos.y + 0.5)
local move_dir = { local node = minetest.get_node(pos)
x = random(-10, 10) * 0.1, if get_node_def(node.name).walkable then -- Occurs if small mob is touching a fence
z = random(-10, 10) * 0.1, local offset = vector.add(pos, vec_multi(vec_dir(pos, self.object:get_pos()), 1.5))
y = random(-10, 10) * 0.1 pos.x = floor(offset.x + 0.5)
} pos.z = floor(offset.z + 0.5)
local pos2 = vec_add(pos, vec_multi(vec_normal(move_dir), 1)) pos = get_ground_level(pos, 1)
local fail_safe = 0
while fail_safe < 4
and minetest.registered_nodes[minetest.get_node(pos2).name].walkable do
move_dir = {
x = random(-10, 10) * 0.1,
z = random(-10, 10) * 0.1,
y = random(-10, 10) * 0.1
}
pos2 = vec_add(pos, vec_multi(vec_normal(move_dir), 1))
end end
for i = 2, outset do local width = self.width
local out_pos = vec_add(pos, vec_multi(vec_normal(move_dir), i)) local outset = random(min_range, max_range)
if minetest.registered_nodes[minetest.get_node(out_pos).name].walkable then if width < 0.6 then width = 0.6 end
local move_dir = vec_normal({
x = random(-10, 10) * 0.1,
y = vert_bias or random(-10, 10) * 0.1,
z = random(-10, 10) * 0.1
})
local pos2 = vec_add(pos, vec_multi(move_dir, width))
if get_node_def(minetest.get_node(pos2).name).walkable
and not dir then
for i = 1, 3 do
move_dir = {
x = move_dir.z,
y = move_dir.y,
z = move_dir.x * -1
}
pos2 = vec_add(pos, vec_multi(move_dir, width))
if not get_node_def(minetest.get_node(pos2).name).walkable then
break
end
end
elseif dir then
move_dir = dir
end
for i = 1, outset do
local a_pos = vec_add(pos2, vec_multi(move_dir, i))
local a_node = minetest.get_node(a_pos)
local b_pos = {x = a_pos.x, y = a_pos.y - 1, z = a_pos.z}
local b_node = minetest.get_node(b_pos)
if get_node_def(a_node.name).walkable
or not get_node_def(b_node.name).walkable then
a_pos = get_ground_level(a_pos, floor(self.stepheight or 1))
end
if not get_node_def(a_node.name).walkable then
pos2 = a_pos
else
break break
end end
pos2 = out_pos
end end
return pos2 return pos2
end end