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[item_drop] add pickup/drop callbacks, make pickup faster & fix some issues

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This commit is contained in:
Wouters Dorian 2015-09-05 15:24:47 +02:00
parent 8990897e53
commit 73fb22c481
1 changed files with 27 additions and 9 deletions
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36
mods/item_drop/init.lua
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@ -1,8 +1,22 @@
item_drop = {}
local enable_damage = minetest.setting_getbool("enable_damage")
local creative_mode = minetest.setting_getbool("creative_mode")
-- Following edits by gravgun
item_drop.drop_callbacks = {}
item_drop.pickup_callbacks = {}
-- on_drop(dropper, drop_entity, itemstack)
function item_drop.add_drop_callback(on_drop)
table.insert(item_drop.drop_callbacks, on_drop)
end
-- on_pickup(picker, itemstack)
function item_drop.add_pickup_callback(on_pickup)
table.insert(item_drop.pickup_callbacks, on_pickup)
end
-- Idea is to have a radius pickup range around the player, whatever the height
-- We need to have a radius that will at least contain 1 node distance at the player's feet
-- Using simple trigonometry, we get that we need a radius of
@ -12,19 +26,19 @@ local pickup_range_squared = pickup_range*pickup_range
local player_half_height = 0.9
local scan_range = math.sqrt(player_half_height*player_half_height + pickup_range_squared)
-- Node drops are insta-pickup, everything else (player drops) are not
local delay_before_playerdrop_pickup = 1.5
local delay_before_playerdrop_pickup = 1
-- Time in which the node comes to the player
local pickup_duration = 0.2
local pickup_duration = 0.1
-- Little treshold so the items aren't already on the player's middle
local pickup_inv_duration = 1/pickup_duration-0.2
local pickup_inv_duration = 1/pickup_duration*0.7
local function tick()
minetest.after(0.25, tick)
minetest.after(0.1, tick)
local tstamp = minetest.get_us_time()
for _,player in ipairs(minetest.get_connected_players()) do
if player:get_hp() > 0 or not enable_damage then
local pos = player:getpos()
pos.y = pos.y + 0.9
pos.y = pos.y + player_half_height
local inv = player:get_inventory()
if inv then
@ -50,9 +64,7 @@ local function tick()
if playerDistance <= pickup_range_squared then
local itemStack = ItemStack(luaEnt.itemstring)
if inv:room_for_item("main", itemStack) then
local pos1 = pos
pos1.y = pos1.y-player_half_height+0.5
local vec = {x=dX, y=pos1.y-pos2.y, z=dZ}
local vec = {x=dX, y=pos.y-pos2.y, z=dZ}
vec.x = vec.x*pickup_inv_duration
vec.y = vec.y*pickup_inv_duration
vec.z = vec.z*pickup_inv_duration
@ -76,6 +88,9 @@ local function tick()
end
luaEnt.itemstring = ""
object:remove()
for i, cb in ipairs(item_drop.pickup_callbacks) do
cb(player, itemstack)
end
else
object:setvelocity({x = 0,y = 0,z = 0})
luaEnt.physical_state = true
@ -144,6 +159,9 @@ function minetest.item_drop(itemstack, dropper, pos)
v.z = v.z*2
obj:setvelocity(v)
obj:get_luaentity().item_drop_min_tstamp = minetest.get_us_time() + delay_before_playerdrop_pickup * 1000000
for i, cb in ipairs(item_drop.drop_callbacks) do
cb(dropper, obj, itemstack)
end
end
else
core.add_item(pos, itemstack)