Quantum is a Garry's Mod RPG framework.
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quantum/gamemode/engine/lib/server/sv_inventory.lua

227 lines
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-- __ _ _______ _ __
-- / / /\ | | |__ __| | | \ \
-- / / / \ | |_ __ ___ | | ___ ___| |__ \ \
-- < < / /\ \ | | '_ ` _ \| |/ _ \/ __| '_ \ > >
-- \ \ / ____ \| | | | | | | | __/ (__| | | | / /
-- \_\ /_/ \_\_|_| |_| |_|_|\___|\___|_| |_| /_/
Quantum.Server.Inventory = {}
Quantum.Inventory.Size = Quantum.Inventory.Width * Quantum.Inventory.Height
function Quantum.Server.Inventory.Create( char )
char.inventory = {}
return char.inventory
end
local function isEquippable( item )
return item.equipable || false
end
local function isStackable( item )
return item.stack || false
end
function Quantum.Server.Inventory.SetSlotItem( pl, char, pos, itemid, amount )
local setItemTbl = {}
if( amount < 1 ) then
setItemTbl = nil
else
local item = Quantum.Item.Get( itemid )
if( isEquippable( item ) || !isStackable( item ) ) then
amount = nil
setItemTbl = { itemid }
else
amount = amount || 1
setItemTbl = { itemid, amount }
end
end
char.inventory[pos] = setItemTbl -- remove the item
-- Sent the new data to the client
Quantum.Net.Inventory.SetItem( pl, pos, itemid, amount )
end
function Quantum.Server.Inventory.GetSlotItem( char, pos ) return char.inventory[pos] end
function Quantum.Server.Inventory.FindStackable( char, item )
if( item.stack ) then
local inv = Quantum.Server.Char.GetInventory( char )
for i, item2 in pairs( inv ) do
if( item2[1] == item.id && item2[2] < item.stack ) then -- if the item is stackable and it is the same item
return i -- return its index
end
end
else
return
end
end
function Quantum.Server.Inventory.FindItemSpot( char )
local inv = Quantum.Server.Char.GetInventory( char )
local pos = 0
local item
for ii = 1, Quantum.Inventory.Width * Quantum.Inventory.Height, 1 do
item = inv[ii]
if( item == nil ) then
pos = ii
break
end
end
return pos
end
local function getStackSize( char, item )
return item.stack || 1
end
local function sortItem( pl, char, itemid, amount )
Quantum.Debug( "--Stacking Debug--" )
local item = Quantum.Item.Get( itemid )
local slotitem = Quantum.Server.Inventory.GetSlotItem( char, index )
local inv = Quantum.Server.Char.GetInventory( char )
local stacksize = getStackSize( char, item )
local index = Quantum.Server.Inventory.FindStackable( char, item ) || #inv + 1
local rest = amount
if( slotitem != nil ) then rest = rest + slotitem[2] end
local count = 0
local itemInSlot = Quantum.Server.Inventory.GetSlotItem( char, index )
if( itemInSlot != nil ) then
if( itemInSlot[1] == itemid && itemInSlot[2] < stacksize ) then
local add = itemInSlot[2] + amount
if( add > stacksize ) then
rest = rest - ( stacksize - itemInSlot[2] )
else
rest = rest - amount
end
local setAmt = math.Clamp( add, 1, stacksize )
Quantum.Server.Inventory.SetSlotItem( pl, char, index, itemid, setAmt )
print( "1", itemid, setAmt, rest, index )
end
else
local setAmt = math.Clamp( amount, 1, stacksize )
local pos = Quantum.Server.Inventory.FindItemSpot( char )
rest = rest - setAmt
Quantum.Server.Inventory.SetSlotItem( pl, char, pos, itemid, setAmt )
print( "2", itemid, setAmt, rest, pos )
end
while( rest >= stacksize ) do
count = count + 1
if( count == 1 ) then
local setAmt = math.Clamp( amount, 1, stacksize )
if( itemInSlot != nil ) then
setAmt = math.Clamp( itemInSlot[2] + amount, 1, stacksize )
end
rest = rest - setAmt
local pos = Quantum.Server.Inventory.FindItemSpot( char )
Quantum.Server.Inventory.SetSlotItem( pl, char, pos, itemid, setAmt )
print( "3", itemid, setAmt, rest, pos )
else
index = index + 1
itemInSlot = Quantum.Server.Inventory.GetSlotItem( char, index )
if( itemInSlot != nil ) then
if( itemInSlot[1] == itemid && itemInSlot[2] < stacksize ) then
rest = rest - ( stacksize - itemInSlot[2] )
Quantum.Server.Inventory.SetSlotItem( pl, char, index, itemid, stacksize )
print( "4", itemid, stacksize, rest, index )
if( rest <= 0 ) then
rest = 0
break
end
end
else
rest = rest - stacksize
Quantum.Server.Inventory.SetSlotItem( pl, char, index, itemid, stacksize )
print( "5", itemid, stacksize, rest, index )
end
end
end
local stackIndex = Quantum.Server.Inventory.FindStackable( char, item )
print( "stackIndex=", stackIndex )
local pos
if( stackIndex == nil ) then
pos = Quantum.Server.Inventory.FindItemSpot( char )
Quantum.Server.Inventory.SetSlotItem( pl, char, pos, itemid, rest )
print( "6", itemid, rest, rest, pos )
else
if( rest > 0 ) then
pos = stackIndex
itemInSlot = Quantum.Server.Inventory.GetSlotItem( char, pos )
local setAmt = math.Clamp( itemInSlot[2] + rest, 1, stacksize )
local diff = ( itemInSlot[2] + rest ) - setAmt
rest = rest - diff
if( rest <= 0 ) then
Quantum.Server.Inventory.SetSlotItem( pl, char, pos, itemid, setAmt )
print( "7", itemid, setAmt, rest, pos )
end
end
end
Quantum.Debug( "--End of Stacking Debug--" )
end
function Quantum.Server.Inventory.GiveItem( pl, itemid, amount ) -- Quantum.Server.Inventory.GiveItem( Entity(1), "test2", 21 )
local char = Quantum.Server.Char.GetCurrentCharacter( pl ) -- Quantum.Server.Inventory.GiveItem( Entity(1), "test", 1 )
local inv = Quantum.Server.Char.GetInventory( char )
local item = Quantum.Item.Get( itemid )
if( item == nil ) then Quantum.Error( "Tried to give " .. tostring(pl) .. " a non-existent item! Item '" .. tostring(itemid) .. "' does not exist." ) return end
if( #inv + 1 <= Quantum.Inventory.Size || Quantum.Server.Inventory.FindStackable( char, item ) != nil ) then
sortItem( pl, char, itemid, amount )
else
Quantum.Debug( "Tried to give " .. tostring(pl) .. " a item but their inventory is full!" )
end
end
function Quantum.Server.Inventory.DropItem( pl, index, amount ) -- Quantum.Server.Inventory.DropItem( Entity(1), 1, 9 )
local char = Quantum.Server.Char.GetCurrentCharacter( pl ) -- Quantum.Server.Inventory.DropItem( Entity(1), 4, 1 )
local inv = Quantum.Server.Char.GetInventory( char )
if( inv[index] != nil ) then
local itemid = inv[index][1]
local item = Quantum.Item.Get( itemid )
if( item.soulbound == true ) then
Quantum.Notify.Deny( pl, "You can not drop that item!" )
return
end -- players cant drop soulbound items
local am_diff = inv[index][2] - amount
if( am_diff >= 0 ) then -- drop the item from the players inv
-- remove the items am_diff from its stack
Quantum.Server.Inventory.SetSlotItem( pl, char, index, itemid, am_diff )
-- spawn the item infront of the player
Quantum.Server.Item.SpawnItemAtPlayer( pl, itemid, amount )
end
else
Quantum.Error( "Player " .. tostring( pl ) .. " tried to drop a something from index=" .. tostring(index) .. " where there exists no item." )
end
end