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item_entity: Cache collisionbox for use in on_step

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I don't have absolute numbers but if calls to get_properties() take up
30%+ of on_step() execution time that's bound to matter.
This commit is contained in:
sfan5 2022-05-05 20:49:57 +02:00
parent f128f4cba1
commit 7fff9da71d
1 changed files with 7 additions and 3 deletions
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10
builtin/game/item_entity.lua
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@ -59,17 +59,20 @@ core.register_entity(":__builtin:item", {
math.floor(def.light_source / 2 + 0.5) math.floor(def.light_source / 2 + 0.5)
local size_bias = 1e-3 * math.random() -- small random bias to counter Z-fighting local size_bias = 1e-3 * math.random() -- small random bias to counter Z-fighting
local c = {-size, -size, -size, size, size, size}
self.object:set_properties({ self.object:set_properties({
is_visible = true, is_visible = true,
visual = "wielditem", visual = "wielditem",
textures = {itemname}, textures = {itemname},
visual_size = {x = size + size_bias, y = size + size_bias}, visual_size = {x = size + size_bias, y = size + size_bias},
collisionbox = {-size, -size, -size, size, size, size}, collisionbox = c,
automatic_rotate = math.pi * 0.5 * 0.2 / size, automatic_rotate = math.pi * 0.5 * 0.2 / size,
wield_item = self.itemstring, wield_item = self.itemstring,
glow = glow, glow = glow,
}) })
-- cache for usage in on_step
self._collisionbox = c
end, end,
get_staticdata = function(self) get_staticdata = function(self)
@ -94,6 +97,7 @@ core.register_entity(":__builtin:item", {
self.object:set_armor_groups({immortal = 1}) self.object:set_armor_groups({immortal = 1})
self.object:set_velocity({x = 0, y = 2, z = 0}) self.object:set_velocity({x = 0, y = 2, z = 0})
self.object:set_acceleration({x = 0, y = -gravity, z = 0}) self.object:set_acceleration({x = 0, y = -gravity, z = 0})
self._collisionbox = self.initial_properties.collisionbox
self:set_item() self:set_item()
end, end,
@ -164,7 +168,7 @@ core.register_entity(":__builtin:item", {
local pos = self.object:get_pos() local pos = self.object:get_pos()
local node = core.get_node_or_nil({ local node = core.get_node_or_nil({
x = pos.x, x = pos.x,
y = pos.y + self.object:get_properties().collisionbox[2] - 0.05, y = pos.y + self._collisionbox[2] - 0.05,
z = pos.z z = pos.z
}) })
-- Delete in 'ignore' nodes -- Delete in 'ignore' nodes
@ -177,7 +181,7 @@ core.register_entity(":__builtin:item", {
if self.force_out then if self.force_out then
-- This code runs after the entity got a push from the is_stuck code. -- This code runs after the entity got a push from the is_stuck code.
-- It makes sure the entity is entirely outside the solid node -- It makes sure the entity is entirely outside the solid node
local c = self.object:get_properties().collisionbox local c = self._collisionbox
local s = self.force_out_start local s = self.force_out_start
local f = self.force_out local f = self.force_out
local ok = (f.x > 0 and pos.x + c[1] > s.x + 0.5) or local ok = (f.x > 0 and pos.x + c[1] > s.x + 0.5) or