minetest-mods
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item_drop
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Merge pull request #11 from minetest-mods/rewrite 

Rewrite
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texmex 2018-06-17 07:41:43 +02:00 committed by GitHub
parent a88fa5f1b7 15968a0240
commit b576e882a7
4 changed files with 294 additions and 161 deletions
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3
CONTRIBUTING.md Normal file
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- The `master` branch should be stable to end-users at all times. It should target latest Minetest point release.
- Put rewrites and new features in branches.
- Conform with setting defaults so that end-user upgrades doesn't change expected in-game behavior. Discuss default changes in an issue if one really need to change.

51
README.md
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# item_drop
By [PilzAdam](https://github.com/PilzAdam), [texmex](https://github.com/tacotexmex/).
By [PilzAdam](https://github.com/PilzAdam),
[texmex](https://github.com/tacotexmex/), [hybriddog](https://github.com/hybriddog/).
## Description
This mod adds Minecraft like drop/pick up of items to Minetest.
@ -8,26 +9,46 @@ This mod adds Minecraft like drop/pick up of items to Minetest.
LGPLv2.1/CC BY-SA 3.0.
## Notes
item_drop can be played with Minetest 0.4.16 or above. It was originally developed by [PilzAdam](https://github.com/PilzAdam/item_drop).
item_drop can be played with Minetest 0.4.16 or above. It was originally
developed by [PilzAdam](https://github.com/PilzAdam/item_drop).
## List of features
- All settings may be configured from within the game itself (Settings tab > Advanced settings > Mods > item_drop)
- Drops nodes as in-world items on dig if `enable_item_drop` is `true`. (true by default)
- Pulls items to the player's inventory if `enable_item_pickup` is `true`. (true by default) It uses a node radius set in `pickup_radius` (default 0.75)
- Plays a sound the items are picked up, with the gain level set it `pickup_gain` (default 0.4)
- Requires a key to be pressed in order to pull items if `enable_item_pickup_key` is `true`. (true by default). The keytypes to choose from by setting `item_pickup_keytype` are:
- Use key (`Use`)
- Sneak key (`Sneak`)
- Left and Right keys combined (`LeftAndRight`)
- Right mouse button (`RMB`)
- Sneak key and right mouse button combined (`SneakAndRMB`)
* All settings may be configured from within the game itself.
(Settings tab > Advanced settings > Mods > item_drop)
* Drops nodes as in-world items on dig if `item_drop.enable_item_drop` is
`true` (true by default) It does nothing in creative mode.
* Puts dropped items to the player's inventory if `item_drop.enable_item_pickup`
is `true` (true by default)
* It uses a node radius set in `item_drop.pickup_radius` (default 0.75),
if items are within this radius around the player's belt, they're picked.
* If `item_drop.pickup_age` is something positive, items dropped by players
are ignored for this time to avoid instantly picking up when dropping.
* If `item_drop.pickup_age` is `-1`, items are only picked when they don't
move, it's another fix for instant item picking.
* If `item_drop.magnet_radius` is bigger than `item_drop.pickup_radius`,
items between these radii are flying to the player for
`item_drop.magnet_time` seconds, after this time, they're picked or stop
flying.
* Plays a sound when the items are picked up with the gain level set to
`item_drop.pickup_sound_gain` (default 0.2)
* Requires a key to be pressed in order to pick items if
`item_drop.enable_pickup_key` is `true` (true by default)
* The keytypes to choose from by setting `item_pickup_keytype` are:
* Use key (`Use`)
* Sneak key (`Sneak`)
* Left and Right keys combined (`LeftAndRight`)
* Right mouse button (`RMB`)
* Sneak key and right mouse button combined (`SneakAndRMB`)
* If `item_drop.pickup_keyinvert` is `true` (false by default), items are
collected when the key is not pressed instead of when it's pressed.
## Known issues
## Bug reports and suggestions
You can report bugs or suggest ideas by [filing an issue](http://github.com/tacotexmex/item_drop/issues/new).
You can report bugs or suggest ideas by
[filing an issue](http://github.com/minetest-mods/item_drop/issues/new).
## Links
* [Download ZIP](https://github.com/tacotexmex/item_drop/archive/master.zip)
* [Source](https://github.com/tacotexmex/item_drop/)
* [Download ZIP](https://github.com/minetest-mods/item_drop/archive/master.zip)
* [Source](https://github.com/minetest-mods/item_drop/)
* [Forum thread](https://forum.minetest.net/viewtopic.php?t=16913)

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init.lua
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local pickup = minetest.settings:get_bool("enable_item_pickup") ~= false
local drop = minetest.settings:get_bool("enable_item_drop") ~= false
local key = minetest.settings:get_bool("enable_item_pickup_key") ~= false
local keytype = minetest.settings:get("item_pickup_keytype") or "Use"
local pickup_gain = tonumber(minetest.settings:get("item_pickup_gain")) or 0.4
local pickup_radius = tonumber(minetest.settings:get("item_pickup_radius")) or 0.75
local load_time_start = minetest.get_us_time()
local damage_enabled = minetest.settings:get_bool("enable_damage")
local timer = 0
if minetest.settings:get_bool("item_drop.enable_item_pickup") ~= false then
local pickup_gain = tonumber(
minetest.settings:get("item_drop.pickup_sound_gain")) or 0.2
local pickup_radius = tonumber(
minetest.settings:get("item_drop.pickup_radius")) or 0.75
local magnet_radius = tonumber(
minetest.settings:get("item_drop.magnet_radius")) or -1
local magnet_time = tonumber(
minetest.settings:get("item_drop.magnet_time")) or 5.0
local pickup_age = tonumber(
minetest.settings:get("item_drop.pickup_age")) or 0.5
local key_triggered = minetest.settings:get_bool(
"item_drop.enable_pickup_key") ~= false
local key_invert = minetest.settings:get_bool(
"item_drop.pickup_keyinvert") or false
local keytype
if key_triggered then
keytype = minetest.settings:get("item_drop.pickup_keytype") or "Use"
-- disable pickup age if picking is explicitly enabled by the player
if not key_invert then
pickup_age = math.min(pickup_age, 0)
end
end
if pickup then
minetest.register_globalstep(function(dtime)
local magnet_mode = magnet_radius > pickup_radius
local zero_velocity_mode = pickup_age == -1
if magnet_mode
and zero_velocity_mode then
error"zero velocity mode can't be used together with magnet mode"
end
timer = timer + dtime
if timer < 0.2 then return end
timer = 0
-- adds the item to the inventory and removes the object
local function collect_item(ent, pos, player)
minetest.sound_play("item_drop_pickup", {
pos = pos,
gain = pickup_gain,
})
ent:on_punch(player)
end
for _,player in ipairs(minetest.get_connected_players()) do
local keys_pressed = false
-- opt_get_ent gets the object's luaentity if it can be collected
local opt_get_ent
if zero_velocity_mode then
function opt_get_ent(object)
if object:is_player()
or not vector.equals(object:getvelocity(), {x=0, y=0, z=0}) then
return
end
local ent = object:get_luaentity()
if not ent
or ent.name ~= "__builtin:item"
or ent.itemstring == "" then
return
end
return ent
end
else
function opt_get_ent(object)
if object:is_player() then
return
end
local ent = object:get_luaentity()
if not ent
or ent.name ~= "__builtin:item"
or (ent.dropped_by and ent.age < pickup_age)
or ent.itemstring == "" then
return
end
return ent
end
end
local control = player:get_player_control()
local afterflight
if magnet_mode then
-- take item or reset velocity after flying a second
function afterflight(object, inv, player)
-- TODO: test what happens if player left the game
local ent = opt_get_ent(object)
if not ent then
return
end
local item = ItemStack(ent.itemstring)
if inv
and inv:room_for_item("main", item) then
collect_item(ent, object:get_pos(), player)
else
object:setvelocity({x=0,y=0,z=0})
ent.physical_state = true
ent.object:set_properties({
physical = true
})
end
end
end
if keytype == "Use" then
keys_pressed = control.aux1
elseif keytype == "Sneak" then
keys_pressed = control.sneak
elseif keytype == "LeftAndRight" then -- LeftAndRight combination
keys_pressed = control.left and control.right
elseif keytype == "RMB" then
keys_pressed = control.RMB
elseif keytype == "SneakAndRMB" then -- SneakAndRMB combination
keys_pressed = control.sneak and control.RMB
end
-- set keytype to the key name if possible
if keytype == "Use" then
keytype = "aux1"
elseif keytype == "Sneak" then
keytype = "sneak"
elseif keytype == "LeftAndRight" then -- LeftAndRight combination
keytype = 0
elseif keytype == "SneakAndRMB" then -- SneakAndRMB combination
keytype = 1
end
if not keys_pressed and key
or (damage_enabled and player:get_hp() <= 0) then
return
end
local pos = player:getpos()
pos.y = pos.y+0.5
local inv = player:get_inventory()
-- tests if the player has the keys pressed to enable item picking
local function has_keys_pressed(player)
if not key_triggered then
return true
end
local objectlist = minetest.get_objects_inside_radius(pos, pickup_radius)
for _,object in ipairs(objectlist) do
if not object:is_player()
and object:get_luaentity()
and object:get_luaentity().name == "__builtin:item" then
local pos2 = object:getpos()
local distance = math.sqrt(((pos2.x - pos.x) * (pos2.x - pos.x)) + ((pos2.y - pos.y) * (pos2.y - pos.y))
+ ((pos2.z - pos.z) * (pos2.z - pos.z)))
if distance <= 1 then
if inv and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
if object:get_luaentity().itemstring ~= "" then
minetest.sound_play("item_drop_pickup", {
to_player = player:get_player_name(),
gain = pickup_gain,
})
end
object:get_luaentity().itemstring = ""
object:remove()
end
else
if object:get_luaentity().collect then
if inv and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
local pos1 = pos
pos1.y = pos1.y+0.2
local vec = {x=pos1.x-pos2.x, y=pos1.y-pos2.y, z=pos1.z-pos2.z}
vec.x = vec.x*3
vec.y = vec.y*3
vec.z = vec.z*3
object:setvelocity(vec)
object:get_luaentity().physical_state = false
object:get_luaentity().object:set_properties({
physical = false
})
local control = player:get_player_control()
local keys_pressed
if keytype == 0 then -- LeftAndRight combination
keys_pressed = control.left and control.right
elseif keytype == 1 then -- SneakAndRMB combination
keys_pressed = control.sneak and control.RMB
else
keys_pressed = control[keytype]
end
minetest.after(1, function()
local lua = object:get_luaentity()
if not lua or not lua.itemstring then
return
end
if inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
if object:get_luaentity().itemstring ~= "" then
minetest.sound_play("item_drop_pickup", {
to_player = player:get_player_name(),
gain = pickup_gain,
})
end
object:get_luaentity().itemstring = ""
object:remove()
else
object:setvelocity({x=0,y=0,z=0})
object:get_luaentity().physical_state = true
object:get_luaentity().object:set_properties({
physical = true
})
end
end, {player, object})
end
end
end
end
end
end
end)
return keys_pressed ~= key_invert
end
-- called for each player to possibly collect an item, returns true if so
local function pickupfunc(player)
if not has_keys_pressed(player)
or not minetest.get_player_privs(player:get_player_name()).interact
or player:get_hp() <= 0 then
return
end
local pos = player:getpos()
pos.y = pos.y+0.5
local inv
local objectlist = minetest.get_objects_inside_radius(pos,
magnet_mode and magnet_radius or pickup_radius)
for i = 1,#objectlist do
local object = objectlist[i]
local ent = opt_get_ent(object)
if ent then
if not inv then
inv = player:get_inventory()
if not inv then
minetest.log("error", "[item_drop] Couldn't " ..
"get inventory")
return
end
end
local item = ItemStack(ent.itemstring)
if inv:room_for_item("main", item) then
local flying_item
local pos2
if magnet_mode then
pos2 = object:getpos()
flying_item = vector.distance(pos, pos2) > pickup_radius
end
if not flying_item then
-- collect one item at a time to avoid the loud pop
collect_item(ent, pos, player)
return true
end
local vel = vector.multiply(
vector.subtract(pos, pos2), 3)
vel.y = vel.y + 0.6
object:setvelocity(vel)
if ent.physical_state then
ent.physical_state = false
ent.object:set_properties({
physical = false
})
minetest.after(magnet_time, afterflight,
object, inv, player)
end
end
end
end
end
local function pickup_step()
local got_item
local players = minetest.get_connected_players()
for i = 1,#players do
got_item = got_item or pickupfunc(players[i])
end
-- lower step if takeable item(s) were found
local time
if got_item then
time = 0.02
else
time = 0.2
end
minetest.after(time, pickup_step)
end
minetest.after(3.0, pickup_step)
end
if drop then
function minetest.handle_node_drops(pos, drops, digger)
if minetest.settings:get_bool("item_drop.enable_item_drop") ~= false
and not minetest.settings:get_bool("creative_mode") then
function minetest.handle_node_drops(pos, drops)
for i = 1,#drops do
local item = drops[i]
local count, name
if type(item) == "string" then
count = 1
name = item
else
count = item:get_count()
name = item:get_name()
end
local inv
local diggerPos = pos
for _ = 1,count do
local obj = minetest.add_item(pos, name)
if not obj then
error("Couldn't spawn item")
end
if minetest.settings:get_bool("creative_mode") and digger and digger:is_player() then
inv = digger:get_inventory()
diggerPos = digger:getpos()
end
for _,item in ipairs(drops) do
local count, name
if type(item) == "string" then
count = 1
name = item
else
count = item:get_count()
name = item:get_name()
end
if not inv or not inv:contains_item("main", ItemStack(name)) then
for i=1,count do
local adjustedPos = {x=diggerPos.x, y=diggerPos.y, z=diggerPos.z}
local obj = minetest.add_item(adjustedPos, name)
if obj ~= nil then
obj:get_luaentity().collect = true
local x = math.random(1, 5)
if math.random(1,2) == 1 then x = -x end
local z = math.random(1, 5)
if math.random(1,2) == 1 then z = -z end
obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
end
end
end
end
end
local vel = obj:getvelocity()
local x = math.random(-5, 4)
if x >= 0 then
x = x+1
end
vel.x = 1 / x
local z = math.random(-5, 4)
if z >= 0 then
z = z+1
end
vel.z = 1 / z
obj:setvelocity(vel)
end
end
end
end
if minetest.settings:get("log_mods") then minetest.log("action", "[Mod] item_drop loaded") end
local time = (minetest.get_us_time() - load_time_start) / 1000000
local msg = "[item_drop] loaded after ca. " .. time .. " seconds."
if time > 0.01 then
print(msg)
else
minetest.log("info", msg)
end

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settingtypes.txt
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#Pick up items automatically
enable_item_pickup (Enable item pickups) bool true
item_drop.enable_item_pickup (Enable item pickups) bool true
#Drop items in-world on dig
enable_item_drop (Enable item drops) bool true
#Drop items in-world on dig, does nothing in creative mode
item_drop.enable_item_drop (Enable item drops) bool true
#Use a key to pick up items
enable_item_pickup_key (Use pickup key) bool true
item_drop.enable_pickup_key (Use pickup key) bool true
#Collect items when the key is not pressed instead of when it is pressed
item_drop.pickup_keyinvert (Invert pickup key) bool false
#What keytype to use as pickup key
item_pickup_keytype (Pickup keytype) enum Use Use,Sneak,LeftAndRight,RMB,SneakAndRMB
item_drop.pickup_keytype (Pickup keytype) enum Use Use,Sneak,LeftAndRight,RMB,SneakAndRMB
#The volume of the pickup sound
item_pickup_gain (Pickup sound gain) float 0.4
item_drop.pickup_sound_gain (Pickup sound gain) float 0.4
#Player pickup radius
item_pickup_radius (Pickup radius) float 0.75
#Player pickup radius, the maximum distance from which items can be collected
item_drop.pickup_radius (Pickup radius) float 0.75
#Magnet radius, items between pickup_radius and this begin flying to the player
#Set it to -1 (or something else smaller than pickup_radius) to disable item
#flying
item_drop.magnet_radius (Magnet radius) float -1
#Item flight duration, items flying for more than this time are added to the
#player's inventory
item_drop.magnet_time (Magnet time) float 5.0
#Time delay in seconds after autopicking an item if it's dropped by a player
item_drop.pickup_age (Pickup age) float 0.5