--- a/src/cargopacket.cpp Sat Jun 23 18:35:37 2007 +0000
+++ b/src/cargopacket.cpp Sat Jun 23 20:38:28 2007 +0000
@@ -8,6 +8,9 @@
#include "cargopacket.h"
#include "saveload.h"
+/** Cache for speeding up lookups in AllocateRaw */
+static uint _first_free_cargo_packet_index;
+
/**
* Called if a new block is added to the station-pool
*/
@@ -31,6 +34,7 @@
void InitializeCargoPackets()
{
+ _first_free_cargo_packet_index = 0;
/* Clean the cargo packet pool and create 1 block in it */
CleanPool(&_CargoPacket_pool);
AddBlockToPool(&_CargoPacket_pool);
@@ -55,6 +59,7 @@
CargoPacket::~CargoPacket()
{
+ if (this->index < _first_free_cargo_packet_index) _first_free_cargo_packet_index = this->index;
this->count = 0;
}
@@ -92,12 +97,13 @@
/* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
* TODO - This is just a temporary stage, this will be removed. */
- for (cp = GetCargoPacket(0); cp != NULL; cp = (cp->index + 1U < GetCargoPacketPoolSize()) ? GetCargoPacket(cp->index + 1U) : NULL) {
+ for (cp = GetCargoPacket(_first_free_cargo_packet_index); cp != NULL; cp = (cp->index + 1U < GetCargoPacketPoolSize()) ? GetCargoPacket(cp->index + 1U) : NULL) {
if (!cp->IsValid()) {
CargoPacket::ID index = cp->index;
memset(cp, 0, sizeof(CargoPacket));
cp->index = index;
+ _first_free_cargo_packet_index = cp->index;
return cp;
}
}