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net.c tweaks, just for the sake of pushing them to SVN.

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- alloc_multimapstate() helper
- make g_netMapRevision a uint32 and store save->revision in sequence order
  (without &(NET_REVISIONS-1))
- one assert, one XXX comment, stylistic changes

git-svn-id: https://svn.eduke32.com/eduke32@2674 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-05-18 21:41:08 +00:00
parent 94f9c03123
commit 5e60b989ab
2 changed files with 35 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
polymer/eduke32/source/net.c
View file

@ -38,7 +38,7 @@ or else fragmentation will occur
*/
#define SYNCPACKETSIZE 1344
int32_t g_netMapRevision = 0;
uint32_t g_netMapRevision = 0;
ENetHost *g_netServer = NULL;
ENetHost *g_netClient = NULL;
ENetPeer *g_netClientPeer = NULL;
@ -66,6 +66,16 @@ netmapstate_t *g_multiMapRevisions[NET_REVISIONS];
netmapstate_t *streamoutput = NULL;
#pragma pack(pop)
static void alloc_multimapstate(int32_t i)
{
if (g_multiMapState[i] == NULL)
{
g_multiMapState[i] = Bcalloc(1, sizeof(netmapstate_t));
if (g_multiMapState[i] == NULL)
G_GameExit("OUT OF MEMORY in alloc_multimapst!");
}
}
void Net_SaveMapState(netmapstate_t *save)
{
if (save != NULL)
@ -73,7 +83,7 @@ void Net_SaveMapState(netmapstate_t *save)
int32_t i;
intptr_t j;
save->revision = g_netMapRevision&(NET_REVISIONS-1);
save->revision = g_netMapRevision;
Bmemcpy(&save->numwalls,&numwalls,sizeof(numwalls));
Bmemcpy(&save->wall[0],&wall[0],sizeof(walltype)*MAXWALLS);
Bmemcpy(&save->numsectors,&numsectors,sizeof(numsectors));
@ -226,7 +236,7 @@ void Net_RestoreMapState(netmapstate_t *save)
char phealth[MAXPLAYERS];
assert(save->crc == crc32once((uint8_t *)save, offsetof(netmapstate_t, crc)));
Bassert(save->crc == crc32once((uint8_t *)save, offsetof(netmapstate_t, crc)));
for (i=0; i<playerswhenstarted; i++)
phealth[i] = sprite[g_player[i].ps->i].extra;
@ -373,7 +383,7 @@ void Net_RestoreMapState(netmapstate_t *save)
// G_ClearFIFO();
// G_ResetTimers();
initprintf("Net_RestoreMapState(): restored revision %d\n",save->revision);
initprintf("Net_RestoreMapState(): restored revision %u\n",save->revision);
}
}
@ -691,7 +701,7 @@ void Net_SyncPlayer(ENetEvent *event)
if (g_player[0].ps->gm & MODE_GAME)
{
if (g_multiMapState[i] == NULL) g_multiMapState[i] = (netmapstate_t *)Bcalloc(1, sizeof(netmapstate_t));
alloc_multimapstate(i);
if (g_multiMapState[i])
{
char *buf = (char *)Bmalloc(sizeof(netmapstate_t)+512);
@ -935,6 +945,7 @@ void Net_ParseServerPacket(ENetEvent *event)
{
usize_t osize = 0;
int ret;
j = 0;
@ -943,9 +954,11 @@ void Net_ParseServerPacket(ENetEvent *event)
packbufleng = qlz_decompress((char *)&event->packet->data[1], (char *)(pbuf), state_decompress);
initprintf("packbufleng: %d\n", packbufleng);
initprintf("xdelta3 returned %d\n",
xd3_decode_memory((const uint8_t *)pbuf, packbufleng, (const uint8_t *)g_multiMapState[0], sizeof(netmapstate_t),
(uint8_t *)streamoutput, &osize, sizeof(netmapstate_t), XD3_COMPLEVEL_1|XD3_NOCOMPRESS));
ret = xd3_decode_memory((const uint8_t *)pbuf, packbufleng, (const uint8_t *)g_multiMapState[0], sizeof(netmapstate_t),
(uint8_t *)streamoutput, &osize, sizeof(netmapstate_t), XD3_COMPLEVEL_1|XD3_NOCOMPRESS);
initprintf("xdelta3 returned %d\n", ret);
if (sizeof(netmapstate_t) != osize)
initprintf("decompressed data size mismatch!\n");
Net_RestoreMapState(streamoutput);
@ -1203,6 +1216,9 @@ void Net_ParseClientPacket(ENetEvent *event)
switch (pbuf[0])
{
case PACKET_SLAVE_TO_MASTER: //[1] (receive slave sync buffer)
{
const intptr_t playeridx = (intptr_t)event->peer->data;
j = 0;
packbufleng = qlz_size_decompressed((char *)&pbuf[1]);
@ -1214,7 +1230,12 @@ void Net_ParseClientPacket(ENetEvent *event)
g_player[other].revision = *(uint32_t *)&pbuf[j];
j += sizeof(uint32_t);
Bmemcpy(g_multiMapState[(intptr_t)event->peer->data], g_multiMapRevisions[g_player[other].revision&(NET_REVISIONS-1)], sizeof(netmapstate_t));
alloc_multimapstate(playeridx);
// XXX: g_multiMapRevisions[...] is NULL when started like
// (peer 1)$ eduke32 -server
// (peer 2)$ eduke32 -connect localhost
// (peer 1 starts some map)
Bmemcpy(g_multiMapState[playeridx], g_multiMapRevisions[g_player[other].revision&(NET_REVISIONS-1)], sizeof(netmapstate_t));
Bmemcpy(&nsyn[other], &pbuf[j], sizeof(input_t));
j += offsetof(input_t, filler);
@ -1252,6 +1273,7 @@ void Net_ParseClientPacket(ENetEvent *event)
Bfree(pbuf);
break;
}
case PACKET_PLAYER_READY:
j = g_player[other].ps->i;
@ -1608,7 +1630,7 @@ void Net_GetPackets(void)
buf = (uint8_t *)Bcalloc(1, sizeof(netmapstate_t)+512);
}
g_multiMapState[0] = (netmapstate_t *)Brealloc(g_multiMapState[0], sizeof(netmapstate_t));
alloc_multimapstate(0);
rotatesprite(0,0,65536L,0,BETASCREEN,0,0,2+8+16+64,0,0,xdim-1,ydim-1);
@ -1729,6 +1751,7 @@ void Net_ClientMove(void)
{
char buf[1024];
Bassert((signed)sizeof(buf) >= siz+400);
siz = qlz_compress((char *)(packbuf)+1, (char *)buf, siz, state_compress);
Bmemcpy((char *)(packbuf)+1, (char *)buf, siz);
siz++;
@ -1977,7 +2000,7 @@ void Net_StreamLevel(void)
packbuf[siz++] = myconnectindex;
initprintf("final packet size: %d\n", siz);
initprintf("revision %u: final packet size: %d\n", g_netMapRevision-1, siz);
enet_peer_send (currentPeer, CHAN_GAMESTATE, enet_packet_create(packbuf, siz, ENET_PACKET_FLAG_RELIABLE));
}

2
polymer/eduke32/source/net.h
View file

@ -129,7 +129,7 @@ extern netmapstate_t *g_multiMapState[MAXPLAYERS];
extern netmapstate_t *g_multiMapRevisions[NET_REVISIONS];
#pragma pack(pop)
extern int32_t g_netMapRevision;
extern uint32_t g_netMapRevision;
extern ENetHost *g_netClient;
extern ENetHost *g_netServer;
extern ENetPeer *g_netClientPeer;