devilutionX/Source/msg.cpp

#include "diablo.h"
#include "../3rdParty/Storm/Source/storm.h"
#include "../DiabloUI/diabloui.h"

static DWORD sgdwOwnerWait;
static DWORD sgdwRecvOffset;
static int sgnCurrMegaPlayer;
static DLevel sgLevels[NUMLEVELS];
static BYTE sbLastCmd;
static TMegaPkt *sgpCurrPkt;
static BYTE sgRecvBuf[sizeof(DLevel) + 1];
static BYTE sgbRecvCmd;
static LocalLevel sgLocals[NUMLEVELS];
static DJunk sgJunk;
static TMegaPkt *sgpMegaPkt;
static BOOLEAN sgbDeltaChanged;
static BYTE sgbDeltaChunks;
BOOL deltaload;
BYTE gbBufferMsgs;
int pkt_counter;

void msg_send_drop_pkt(int pnum, int reason)
{
	TFakeDropPlr cmd;

	cmd.dwReason = reason;
	cmd.bCmd = FAKE_CMD_DROPID;
	cmd.bPlr = pnum;
	msg_send_packet(pnum, &cmd, sizeof(cmd));
}

void msg_send_packet(int pnum, const void *packet, DWORD dwSize)
{
	TMegaPkt *packeta;
	TFakeCmdPlr cmd;

	if (pnum != sgnCurrMegaPlayer) {
		sgnCurrMegaPlayer = pnum;
		cmd.bCmd = FAKE_CMD_SETID;
		cmd.bPlr = pnum;
		msg_send_packet(pnum, &cmd, sizeof(cmd));
	}
	packeta = sgpCurrPkt;
	if (sgpCurrPkt->dwSpaceLeft < dwSize) {
		msg_get_next_packet();
		packeta = sgpCurrPkt;
	}
	memcpy((char *)&packeta[1] - packeta->dwSpaceLeft, packet, dwSize);
	sgpCurrPkt->dwSpaceLeft -= dwSize;
}
// 65AB24: using guessed type int sgnCurrMegaPlayer;

TMegaPkt *msg_get_next_packet()
{
	TMegaPkt *result;

	sgpCurrPkt = (TMegaPkt *)DiabloAllocPtr(32008);
	sgpCurrPkt->pNext = NULL;
	sgpCurrPkt->dwSpaceLeft = 32000;

	result = (TMegaPkt *)&sgpMegaPkt;
	while (result->pNext) {
		result = result->pNext;
	}
	result->pNext = sgpCurrPkt;

	return result;
}

BOOL msg_wait_resync()
{
	BOOL success;

	msg_get_next_packet();
	sgbDeltaChunks = 0;
	sgnCurrMegaPlayer = -1;
	sgbRecvCmd = CMD_DLEVEL_END;
	gbBufferMsgs = 1;
	sgdwOwnerWait = GetTickCount();
	success = UiProgressDialog(ghMainWnd, "Waiting for game data...", 1, msg_wait_for_turns, 20);
	gbBufferMsgs = 0;
	if (!success) {
		msg_free_packets();
		return FALSE;
	}

	if (gbGameDestroyed) {
		DrawDlg("The game ended");
		msg_free_packets();
		return FALSE;
	}

	if (sgbDeltaChunks != 21) {
		DrawDlg("Unable to get level data");
		msg_free_packets();
		return FALSE;
	}

	return TRUE;
}
// 65AB18: using guessed type int sgdwOwnerWait;
// 65AB24: using guessed type int sgnCurrMegaPlayer;
// 67618D: using guessed type char sgbDeltaChunks;
// 676194: using guessed type char gbBufferMsgs;
// 67862D: using guessed type char gbGameDestroyed;

void msg_free_packets()
{
	while (sgpMegaPkt) {
		sgpCurrPkt = sgpMegaPkt->pNext;
		MemFreeDbg(sgpMegaPkt);
		sgpMegaPkt = sgpCurrPkt;
	}
}

int msg_wait_for_turns()
{
	int recieved;
	DWORD turns;

	if (!sgbDeltaChunks) {
		nthread_send_and_recv_turn(0, 0);
		if (!SNetGetOwnerTurnsWaiting(&turns) && SErrGetLastError() == STORM_ERROR_NOT_IN_GAME)
			return 100;
		if (GetTickCount() - sgdwOwnerWait <= 2000 && turns < gdwTurnsInTransit)
			return 0;
		sgbDeltaChunks++;
	}
	multi_process_network_packets();
	nthread_send_and_recv_turn(0, 0);
	if (nthread_has_500ms_passed(0))
		nthread_recv_turns(&recieved);

	if (gbGameDestroyed)
		return 100;
	if (gbDeltaSender >= MAX_PLRS) {
		sgbDeltaChunks = 0;
		sgbRecvCmd = CMD_DLEVEL_END;
		gbDeltaSender = myplr;
		nthread_set_turn_upper_bit();
	}
	if (sgbDeltaChunks == 20) {
		sgbDeltaChunks = 21;
		return 99;
	}
	return 100 * sgbDeltaChunks / 21;
}
// 65AB18: using guessed type int sgdwOwnerWait;
// 67618D: using guessed type char sgbDeltaChunks;
// 67862D: using guessed type char gbGameDestroyed;
// 6796E4: using guessed type char gbDeltaSender;
// 679738: using guessed type int gdwTurnsInTransit;

void msg_process_net_packets()
{
	if (gbMaxPlayers != 1) {
		gbBufferMsgs = 2;
		msg_pre_packet();
		gbBufferMsgs = 0;
		msg_free_packets();
	}
}
// 676194: using guessed type char gbBufferMsgs;
// 679660: using guessed type char gbMaxPlayers;

void msg_pre_packet()
{
	int i;
	int spaceLeft, pktSize;
	TMegaPkt *pkt;
	TFakeCmdPlr *cmd, *tmpCmd;
	TFakeDropPlr *dropCmd;

	pkt = sgpMegaPkt;
	for (i = -1; pkt; pkt = pkt->pNext) {
		spaceLeft = 32000;
		cmd = (TFakeCmdPlr *)pkt->data;
		while (spaceLeft != pkt->dwSpaceLeft) {
			if (cmd->bCmd == FAKE_CMD_SETID) {
				tmpCmd = cmd;
				cmd++;
				i = tmpCmd->bPlr;
				spaceLeft -= sizeof(*cmd);
			} else if (cmd->bCmd == FAKE_CMD_DROPID) {
				dropCmd = (TFakeDropPlr *)cmd;
				cmd += 3;
				spaceLeft -= sizeof(*dropCmd);
				multi_player_left(dropCmd->bPlr, dropCmd->dwReason);
			} else {
				pktSize = ParseCmd(i, (TCmd *)cmd);
				cmd = (TFakeCmdPlr *)((char *)cmd + pktSize);
				spaceLeft -= pktSize;
			}
		}
	}
}

void DeltaExportData(int pnum)
{
	BYTE *dst, *dstEnd;
	int size, i;
	char src;

	if (sgbDeltaChanged) {
		dst = (BYTE *)DiabloAllocPtr(4722);
		for (i = 0; i < NUMLEVELS; i++) {
			dstEnd = dst + 1;
			dstEnd = DeltaExportItem(dstEnd, sgLevels[i].item);
			dstEnd = DeltaExportObject(dstEnd, sgLevels[i].object);
			dstEnd = DeltaExportMonster(dstEnd, sgLevels[i].monster);
			size = msg_comp_level(dst, dstEnd);
			dthread_send_delta(pnum, i + CMD_DLEVEL_0, dst, size);
		}
		dstEnd = dst + 1;
		dstEnd = DeltaExportJunk(dstEnd);
		size = msg_comp_level(dst, dstEnd);
		dthread_send_delta(pnum, CMD_DLEVEL_JUNK, dst, size);
		mem_free_dbg(dst);
	}
	src = 0;
	dthread_send_delta(pnum, CMD_DLEVEL_END, &src, 1);
}

BYTE *DeltaExportItem(BYTE *dst, TCmdPItem *src)
{
	int i;

	for (i = 0; i < MAXITEMS; i++) {
		if (src->bCmd == 0xFF) {
			*dst = 0xFF;
			dst++;
		} else {
			memcpy(dst, src, sizeof(TCmdPItem));
			dst += sizeof(TCmdPItem);
		}
		src++;
	}

	return dst;
}

BYTE *DeltaExportObject(BYTE *dst, DObjectStr *src)
{
	memcpy(dst, src, sizeof(DObjectStr) * MAXOBJECTS);
	return dst + sizeof(DObjectStr) * MAXOBJECTS;
}

BYTE *DeltaExportMonster(BYTE *dst, DMonsterStr *src)
{
	int i;

	for (i = 0; i < MAXMONSTERS; i++) {
		if (*(BYTE *)src == 0xFF) {
			*dst = 0xFF;
			dst++;
		} else {
			memcpy(dst, src, sizeof(DMonsterStr));
			dst += sizeof(DMonsterStr);
		}
		src++;
	}

	return dst;
}

BYTE *DeltaExportJunk(BYTE *dst)
{
	int i;
	MultiQuests *mq;
	DPortal *pD;

	for (i = 0; i < MAXPORTAL; i++) {
		pD = &sgJunk.portal[i];
		if (pD->x == 0xFF) {
			*dst = 0xFF;
			dst++;
		} else {
			memcpy(dst, pD, sizeof(*pD));
			dst += sizeof(*pD);
		}
	}

	for (i = 0; i < MAXMULTIQUESTS; i++) {
		if (questlist[i]._qflags & 1) {
			mq = &sgJunk.quests[i];
			mq->qlog = quests[i]._qlog;
			mq->qstate = quests[i]._qactive;
			mq->qvar1 = quests[i]._qvar1;
			memcpy(dst, mq, sizeof(*mq));
			dst += sizeof(*mq);
		}
	}

	return dst;
}

int msg_comp_level(BYTE *buffer, BYTE *end)
{
	int size, pkSize;

	size = end - buffer - 1;
	pkSize = PkwareCompress(buffer + 1, size);
	*buffer = size != pkSize;

	return pkSize + 1;
}

void delta_init()
{
	sgbDeltaChanged = FALSE;
	memset(&sgJunk, 0xFF, sizeof(sgJunk));
	memset(sgLevels, 0xFF, sizeof(sgLevels));
	memset(sgLocals, 0, sizeof(sgLocals));
	deltaload = FALSE;
}
// 676190: using guessed type int deltaload;

void delta_kill_monster(int mi, BYTE x, BYTE y, BYTE bLevel)
{
	DMonsterStr *pD;

	if (gbMaxPlayers != 1) {
		sgbDeltaChanged = TRUE;
		pD = &sgLevels[bLevel].monster[mi];
		pD->_mx = x;
		pD->_my = y;
		pD->_mdir = monster[mi]._mdir;
		pD->_mhitpoints = 0;
	}
}
// 679660: using guessed type char gbMaxPlayers;

void delta_monster_hp(int mi, int hp, BYTE bLevel)
{
	DMonsterStr *pD;

	if (gbMaxPlayers != 1) {
		sgbDeltaChanged = TRUE;
		pD = &sgLevels[bLevel].monster[mi];
		if (pD->_mhitpoints > hp)
			pD->_mhitpoints = hp;
	}
}
// 679660: using guessed type char gbMaxPlayers;

void delta_sync_monster(const TSyncMonster *pSync, BYTE bLevel)
{
	DMonsterStr *pD;

	if (gbMaxPlayers == 1) {
		return;
	}

	/// ASSERT: assert(pSync != NULL);
	/// ASSERT: assert(bLevel < NUMLEVELS);
	sgbDeltaChanged = TRUE;

	pD = &sgLevels[bLevel].monster[pSync->_mndx];
	if (pD->_mhitpoints != 0) {
		pD->_mx = pSync->_mx;
		pD->_my = pSync->_my;
		pD->_mactive = -1;
		pD->_menemy = pSync->_menemy;
	}
}
// 679660: using guessed type char gbMaxPlayers;

void delta_sync_golem(TCmdGolem *pG, int pnum, BYTE bLevel)
{
	DMonsterStr *pD;

	if (gbMaxPlayers != 1) {
		sgbDeltaChanged = TRUE;
		pD = &sgLevels[bLevel].monster[pnum];
		pD->_mx = pG->_mx;
		pD->_my = pG->_my;
		pD->_mactive = -1;
		pD->_menemy = pG->_menemy;
		pD->_mdir = pG->_mdir;
		pD->_mhitpoints = pG->_mhitpoints;
	}
}
// 679660: using guessed type char gbMaxPlayers;

void delta_leave_sync(BYTE bLevel)
{
	int i, ma;
	DMonsterStr *pD;

	if (gbMaxPlayers != 1) {
		if (currlevel == 0) {
			glSeedTbl[0] = GetRndSeed();
		}
		if (currlevel > 0) {
			for (i = 0; i < nummonsters; ++i) {
				ma = monstactive[i];
				if (monster[ma]._mhitpoints) {
					sgbDeltaChanged = TRUE;
					pD = &sgLevels[bLevel].monster[ma];
					pD->_mx = monster[ma]._mx;
					pD->_my = monster[ma]._my;
					pD->_mdir = monster[ma]._mdir;
					pD->_menemy = encode_enemy(ma);
					pD->_mhitpoints = monster[ma]._mhitpoints;
					pD->_mactive = monster[ma]._msquelch;
				}
			}
			memcpy(&sgLocals[bLevel], automapview, sizeof(automapview));
		}
	}
}
// 43C17D: could not find valid save-restore pair for edi
// 679660: using guessed type char gbMaxPlayers;

BOOL delta_portal_inited(int i)
{
	return sgJunk.portal[i].x == 0xFF;
}

BOOL delta_quest_inited(int i)
{
	return sgJunk.quests[i].qstate != 0xFF;
}

void DeltaAddItem(int ii)
{
	int i;
	TCmdPItem *pD;

	if (gbMaxPlayers == 1) {
		return;
	}

	for (i = 0; i < MAXITEMS; i++) {
		pD = &sgLevels[currlevel].item[i];
		if (pD->bCmd != 0xFF
		    && pD->wIndx == item[ii].IDidx
		    && pD->wCI == item[ii]._iCreateInfo
		    && pD->dwSeed == item[ii]._iSeed
		    && (pD->bCmd == CMD_WALKXY || pD->bCmd == CMD_STAND)) {
			return;
		}
	}

	for (i = 0; i < MAXITEMS; i++) {
		pD = &sgLevels[currlevel].item[i];
		if (pD->bCmd == 0xFF) {
			pD->bCmd = CMD_STAND;
			sgbDeltaChanged = TRUE;
			pD->x = item[ii]._ix;
			pD->y = item[ii]._iy;
			pD->wIndx = item[ii].IDidx;
			pD->wCI = item[ii]._iCreateInfo;
			pD->dwSeed = item[ii]._iSeed;
			pD->bId = item[ii]._iIdentified;
			pD->bDur = item[ii]._iDurability;
			pD->bMDur = item[ii]._iMaxDur;
			pD->bCh = item[ii]._iCharges;
			pD->bMCh = item[ii]._iMaxCharges;
			pD->wValue = item[ii]._ivalue;
			return;
		}
	}
}
// 679660: using guessed type char gbMaxPlayers;

void DeltaSaveLevel()
{
	int i;

	if (gbMaxPlayers != 1) {
		for (i = 0; i < MAX_PLRS; i++) {
			if (i != myplr)
				plr[i]._pGFXLoad = 0;
		}
		plr[myplr]._pLvlVisited[currlevel] = 1;
		delta_leave_sync(currlevel);
	}
}
// 679660: using guessed type char gbMaxPlayers;

void DeltaLoadLevel()
{
	int ii, ot;
	int i, j, k, l;
	int x, y, xx, yy;
	BOOL done;

	if (gbMaxPlayers == 1) {
		return;
	}

	deltaload = TRUE;
	if (currlevel != 0) {
		for (i = 0; i < nummonsters; i++) {
			if (sgLevels[currlevel].monster[i]._mx != 0xFF) {
				M_ClearSquares(i);
				x = sgLevels[currlevel].monster[i]._mx;
				y = sgLevels[currlevel].monster[i]._my;
				monster[i]._mx = x;
				monster[i]._my = y;
				monster[i]._moldx = x;
				monster[i]._moldy = y;
				monster[i]._mfutx = x;
				monster[i]._mfuty = y;
				if (sgLevels[currlevel].monster[i]._mhitpoints != -1)
					monster[i]._mhitpoints = sgLevels[currlevel].monster[i]._mhitpoints;
				if (!sgLevels[currlevel].monster[i]._mhitpoints) {
					monster[i]._moldx = x;
					monster[i]._moldy = y;
					M_ClearSquares(i);
					if (monster[i]._mAi != AI_DIABLO) {
						if (!monster[i]._uniqtype)
							/// ASSERT: assert(monster[i].MType != NULL);
							AddDead(monster[i]._mx, monster[i]._my, monster[i].MType->mdeadval, (direction)monster[i]._mdir);
						else
							AddDead(monster[i]._mx, monster[i]._my, monster[i]._udeadval, (direction)monster[i]._mdir);
					}
					monster[i]._mDelFlag = TRUE;
					M_UpdateLeader(i);
				} else {
					decode_enemy(i, sgLevels[currlevel].monster[i]._menemy);
					if (monster[i]._mx && monster[i]._mx != 1 || monster[i]._my)
						dMonster[monster[i]._mx][monster[i]._my] = i + 1;
					if (i < 4) {
						MAI_Golum(i);
						monster[i]._mFlags |= (MFLAG_TARGETS_MONSTER | MFLAG_GOLEM);
					} else {
						M_StartStand(i, monster[i]._mdir);
					}
					monster[i]._msquelch = sgLevels[currlevel].monster[i]._mactive;
				}
			}
		}
		memcpy(automapview, &sgLocals[currlevel], sizeof(automapview));
	}

	for (i = 0; i < MAXITEMS; i++) {
		if (sgLevels[currlevel].item[i].bCmd != 0xFF) {
			if (sgLevels[currlevel].item[i].bCmd == CMD_WALKXY) {
				ii = FindGetItem(
				    sgLevels[currlevel].item[i].wIndx,
				    sgLevels[currlevel].item[i].wCI,
				    sgLevels[currlevel].item[i].dwSeed);
				if (ii != -1) {
					if (dItem[item[ii]._ix][item[ii]._iy] == ii + 1)
						dItem[item[ii]._ix][item[ii]._iy] = 0;
					DeleteItem(ii, i);
				}
			}
			if (sgLevels[currlevel].item[i].bCmd == CMD_ACK_PLRINFO) {
				ii = itemavail[0];
				itemavail[0] = itemavail[MAXITEMS - numitems - 1];
				itemactive[numitems] = ii;
				if (sgLevels[currlevel].item[i].wIndx == IDI_EAR) {
					RecreateEar(
					    ii,
					    sgLevels[currlevel].item[i].wCI,
					    sgLevels[currlevel].item[i].dwSeed,
					    sgLevels[currlevel].item[i].bId,
					    sgLevels[currlevel].item[i].bDur,
					    sgLevels[currlevel].item[i].bMDur,
					    sgLevels[currlevel].item[i].bCh,
					    sgLevels[currlevel].item[i].bMCh,
					    sgLevels[currlevel].item[i].wValue,
					    sgLevels[currlevel].item[i].dwBuff);
				} else {
					RecreateItem(
					    ii,
					    sgLevels[currlevel].item[i].wIndx,
					    sgLevels[currlevel].item[i].wCI,
					    sgLevels[currlevel].item[i].dwSeed,
					    sgLevels[currlevel].item[i].wValue);
					if (sgLevels[currlevel].item[i].bId)
						item[ii]._iIdentified = TRUE;
					item[ii]._iDurability = sgLevels[currlevel].item[i].bDur;
					item[ii]._iMaxDur = sgLevels[currlevel].item[i].bMDur;
					item[ii]._iCharges = sgLevels[currlevel].item[i].bCh;
					item[ii]._iMaxCharges = sgLevels[currlevel].item[i].bMCh;
				}
				x = sgLevels[currlevel].item[i].x;
				y = sgLevels[currlevel].item[i].y;
				if (!CanPut(x, y)) {
					done = FALSE;
					for (k = 1; k < 50 && !done; k++) {
						for (j = -k; j <= k && !done; j++) {
							yy = y + j;
							for (l = -k; l <= k && !done; l++) {
								xx = x + l;
								if (CanPut(xx, yy)) {
									done = TRUE;
									x = xx;
									y = yy;
								}
							}
						}
					}
				}
				item[ii]._ix = x;
				item[ii]._iy = y;
				dItem[x][y] = ii + 1;
				RespawnItem(ii, 0);
				numitems++;
			}
		}
	}

	if (currlevel != 0) {
		for (i = 0; i < MAXOBJECTS; i++) {
			switch (sgLevels[currlevel].object[i].bCmd) {
			case CMD_OPENDOOR:
			case CMD_CLOSEDOOR:
			case CMD_OPERATEOBJ:
			case CMD_PLROPOBJ:
				SyncOpObject(-1, sgLevels[currlevel].object[i].bCmd, i);
				break;
			case CMD_BREAKOBJ:
				SyncBreakObj(-1, i);
				break;
			}
		}

		for (i = 0; i < nobjects; i++) {
			ot = object[objectactive[i]]._otype;
			if (ot == OBJ_TRAPL || ot == OBJ_TRAPR)
				Obj_Trap(objectactive[i]);
		}
	}
	deltaload = FALSE;
}
// 679660: using guessed type char gbMaxPlayers;

void NetSendCmd(BOOL bHiPri, BYTE bCmd)
{
	TCmd cmd;

	cmd.bCmd = bCmd;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdGolem(BYTE mx, BYTE my, BYTE dir, BYTE menemy, int hp, BYTE cl)
{
	TCmdGolem cmd;

	cmd.bCmd = CMD_AWAKEGOLEM;
	cmd._mx = mx;
	cmd._my = my;
	cmd._mdir = dir;
	cmd._menemy = menemy;
	cmd._mhitpoints = hp;
	cmd._currlevel = cl;
	NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdLoc(BOOL bHiPri, BYTE bCmd, BYTE x, BYTE y)
{
	TCmdLoc cmd;

	cmd.bCmd = bCmd;
	cmd.x = x;
	cmd.y = y;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdLocParam1(BOOL bHiPri, BYTE bCmd, BYTE x, BYTE y, WORD wParam1)
{
	TCmdLocParam1 cmd;

	cmd.bCmd = bCmd;
	cmd.x = x;
	cmd.y = y;
	cmd.wParam1 = wParam1;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdLocParam2(BOOL bHiPri, BYTE bCmd, BYTE x, BYTE y, WORD wParam1, WORD wParam2)
{
	TCmdLocParam2 cmd;

	cmd.bCmd = bCmd;
	cmd.x = x;
	cmd.y = y;
	cmd.wParam1 = wParam1;
	cmd.wParam2 = wParam2;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdLocParam3(BOOL bHiPri, BYTE bCmd, BYTE x, BYTE y, WORD wParam1, WORD wParam2, WORD wParam3)
{
	TCmdLocParam3 cmd;

	cmd.bCmd = bCmd;
	cmd.x = x;
	cmd.y = y;
	cmd.wParam1 = wParam1;
	cmd.wParam2 = wParam2;
	cmd.wParam3 = wParam3;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdParam1(BOOL bHiPri, BYTE bCmd, WORD wParam1)
{
	TCmdParam1 cmd;

	cmd.bCmd = bCmd;
	cmd.wParam1 = wParam1;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdParam2(BOOL bHiPri, BYTE bCmd, WORD wParam1, WORD wParam2)
{
	TCmdParam2 cmd;

	cmd.bCmd = bCmd;
	cmd.wParam1 = wParam1;
	cmd.wParam2 = wParam2;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdParam3(BOOL bHiPri, BYTE bCmd, WORD wParam1, WORD wParam2, WORD wParam3)
{
	TCmdParam3 cmd;

	cmd.bCmd = bCmd;
	cmd.wParam1 = wParam1;
	cmd.wParam2 = wParam2;
	cmd.wParam3 = wParam3;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdQuest(BOOL bHiPri, BYTE q)
{
	TCmdQuest cmd;

	cmd.q = q;
	cmd.bCmd = CMD_SYNCQUEST;
	cmd.qstate = quests[q]._qactive;
	cmd.qlog = quests[q]._qlog;
	cmd.qvar1 = quests[q]._qvar1;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdGItem(BOOL bHiPri, BYTE bCmd, BYTE mast, BYTE pnum, BYTE ii)
{
	TCmdGItem cmd;

	cmd.bCmd = bCmd;
	cmd.bPnum = pnum;
	cmd.bMaster = mast;
	cmd.bLevel = currlevel;
	cmd.bCursitem = ii;
	cmd.dwTime = 0;
	cmd.x = item[ii]._ix;
	cmd.y = item[ii]._iy;
	cmd.wIndx = item[ii].IDidx;

	if (item[ii].IDidx == IDI_EAR) {
		cmd.wCI = item[ii]._iName[8] | (item[ii]._iName[7] << 8);
		cmd.dwSeed = item[ii]._iName[12] | ((item[ii]._iName[11] | ((item[ii]._iName[10] | (item[ii]._iName[9] << 8)) << 8)) << 8);
		cmd.bId = item[ii]._iName[13];
		cmd.bDur = item[ii]._iName[14];
		cmd.bMDur = item[ii]._iName[15];
		cmd.bCh = item[ii]._iName[16];
		cmd.bMCh = item[ii]._iName[17];
		cmd.wValue = item[ii]._ivalue | (item[ii]._iName[18] << 8) | ((item[ii]._iCurs - 19) << 6);
		cmd.dwBuff = item[ii]._iName[22] | ((item[ii]._iName[21] | ((item[ii]._iName[20] | (item[ii]._iName[19] << 8)) << 8)) << 8);
	} else {
		cmd.wCI = item[ii]._iCreateInfo;
		cmd.dwSeed = item[ii]._iSeed;
		cmd.bId = item[ii]._iIdentified;
		cmd.bDur = item[ii]._iDurability;
		cmd.bMDur = item[ii]._iMaxDur;
		cmd.bCh = item[ii]._iCharges;
		cmd.bMCh = item[ii]._iMaxCharges;
		cmd.wValue = item[ii]._ivalue;
	}

	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdGItem2(BOOL usonly, BYTE bCmd, BYTE mast, BYTE pnum, TCmdGItem *p)
{
	int ticks;
	TCmdGItem cmd;

	memcpy(&cmd, p, sizeof(cmd));
	cmd.bPnum = pnum;
	cmd.bCmd = bCmd;
	cmd.bMaster = mast;

	if (!usonly) {
		cmd.dwTime = 0;
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
		return;
	}

	ticks = GetTickCount();
	if (!cmd.dwTime) {
		cmd.dwTime = ticks;
	} else if (ticks - cmd.dwTime > 5000) {
		return;
	}

	multi_msg_add((BYTE *)&cmd.bCmd, sizeof(cmd));
}

BOOL NetSendCmdReq2(BYTE bCmd, BYTE mast, BYTE pnum, TCmdGItem *p)
{
	int ticks;
	TCmdGItem cmd;

	memcpy(&cmd, p, sizeof(cmd));
	cmd.bCmd = bCmd;
	cmd.bPnum = pnum;
	cmd.bMaster = mast;

	ticks = GetTickCount();
	if (!cmd.dwTime) {
		cmd.dwTime = ticks;
	} else if (ticks - cmd.dwTime > 5000) {
		return FALSE;
	}

	multi_msg_add((BYTE *)&cmd.bCmd, sizeof(cmd));

	return TRUE;
}

void NetSendCmdExtra(TCmdGItem *p)
{
	TCmdGItem cmd;

	memcpy(&cmd, p, sizeof(cmd));
	cmd.dwTime = 0;
	cmd.bCmd = CMD_ITEMEXTRA;
	NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdPItem(BOOL bHiPri, BYTE bCmd, BYTE x, BYTE y)
{
	TCmdPItem cmd;

	cmd.bCmd = bCmd;
	cmd.x = x;
	cmd.y = y;
	cmd.wIndx = plr[myplr].HoldItem.IDidx;

	if (plr[myplr].HoldItem.IDidx == IDI_EAR) {
		cmd.wCI = plr[myplr].HoldItem._iName[8] | (plr[myplr].HoldItem._iName[7] << 8);
		cmd.dwSeed = plr[myplr].HoldItem._iName[12] | ((plr[myplr].HoldItem._iName[11] | ((plr[myplr].HoldItem._iName[10] | (plr[myplr].HoldItem._iName[9] << 8)) << 8)) << 8);
		cmd.bId = plr[myplr].HoldItem._iName[13];
		cmd.bDur = plr[myplr].HoldItem._iName[14];
		cmd.bMDur = plr[myplr].HoldItem._iName[15];
		cmd.bCh = plr[myplr].HoldItem._iName[16];
		cmd.bMCh = plr[myplr].HoldItem._iName[17];
		cmd.wValue = plr[myplr].HoldItem._ivalue | (plr[myplr].HoldItem._iName[18] << 8) | ((plr[myplr].HoldItem._iCurs - 19) << 6);
		cmd.dwBuff = plr[myplr].HoldItem._iName[22] | ((plr[myplr].HoldItem._iName[21] | ((plr[myplr].HoldItem._iName[20] | (plr[myplr].HoldItem._iName[19] << 8)) << 8)) << 8);
	} else {
		cmd.wCI = plr[myplr].HoldItem._iCreateInfo;
		cmd.dwSeed = plr[myplr].HoldItem._iSeed;
		cmd.bId = plr[myplr].HoldItem._iIdentified;
		cmd.bDur = plr[myplr].HoldItem._iDurability;
		cmd.bMDur = plr[myplr].HoldItem._iMaxDur;
		cmd.bCh = plr[myplr].HoldItem._iCharges;
		cmd.bMCh = plr[myplr].HoldItem._iMaxCharges;
		cmd.wValue = plr[myplr].HoldItem._ivalue;
	}

	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdChItem(BOOL bHiPri, BYTE bLoc)
{
	TCmdChItem cmd;

	cmd.bCmd = CMD_CHANGEPLRITEMS;
	cmd.bLoc = bLoc;
	cmd.wIndx = plr[myplr].HoldItem.IDidx;
	cmd.wCI = plr[myplr].HoldItem._iCreateInfo;
	cmd.dwSeed = plr[myplr].HoldItem._iSeed;
	cmd.bId = plr[myplr].HoldItem._iIdentified;

	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdDelItem(BOOL bHiPri, BYTE bLoc)
{
	TCmdDelItem cmd;

	cmd.bLoc = bLoc;
	cmd.bCmd = CMD_DELPLRITEMS;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdDItem(BOOL bHiPri, int ii)
{
	TCmdPItem cmd;

	cmd.bCmd = CMD_DROPITEM;
	cmd.x = item[ii]._ix;
	cmd.y = item[ii]._iy;
	cmd.wIndx = item[ii].IDidx;

	if (item[ii].IDidx == IDI_EAR) {
		cmd.wCI = item[ii]._iName[8] | (item[ii]._iName[7] << 8);
		cmd.dwSeed = item[ii]._iName[12] | ((item[ii]._iName[11] | ((item[ii]._iName[10] | (item[ii]._iName[9] << 8)) << 8)) << 8);
		cmd.bId = item[ii]._iName[13];
		cmd.bDur = item[ii]._iName[14];
		cmd.bMDur = item[ii]._iName[15];
		cmd.bCh = item[ii]._iName[16];
		cmd.bMCh = item[ii]._iName[17];
		cmd.wValue = item[ii]._ivalue | (item[ii]._iName[18] << 8) | ((item[ii]._iCurs - 19) << 6);
		cmd.dwBuff = item[ii]._iName[22] | ((item[ii]._iName[21] | ((item[ii]._iName[20] | (item[ii]._iName[19] << 8)) << 8)) << 8);
	} else {
		cmd.wCI = item[ii]._iCreateInfo;
		cmd.dwSeed = item[ii]._iSeed;
		cmd.bId = item[ii]._iIdentified;
		cmd.bDur = item[ii]._iDurability;
		cmd.bMDur = item[ii]._iMaxDur;
		cmd.bCh = item[ii]._iCharges;
		cmd.bMCh = item[ii]._iMaxCharges;
		cmd.wValue = item[ii]._ivalue;
	}

	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdDamage(BOOL bHiPri, BYTE bPlr, DWORD dwDam)
{
	TCmdDamage cmd;

	cmd.bCmd = CMD_PLRDAMAGE;
	cmd.bPlr = bPlr;
	cmd.dwDam = dwDam;
	if (bHiPri)
		NetSendHiPri((BYTE *)&cmd, sizeof(cmd));
	else
		NetSendLoPri((BYTE *)&cmd, sizeof(cmd));
}

void NetSendCmdString(int pmask, const char *pszStr)
{
	int dwStrLen;
	TCmdString cmd;

	cmd.bCmd = CMD_STRING;
	dwStrLen = strlen(pszStr);
	strcpy(cmd.str, pszStr);
	multi_send_msg_packet(pmask, (BYTE *)&cmd.bCmd, dwStrLen + 2);
}

void RemovePlrPortal(int pnum)
{
	memset(&sgJunk.portal[pnum], 0xFF, sizeof(sgJunk.portal[pnum]));
	sgbDeltaChanged = TRUE;
}

int ParseCmd(int pnum, TCmd *pCmd)
{
	sbLastCmd = pCmd->bCmd;
	if (sgwPackPlrOffsetTbl[pnum] != 0 && sbLastCmd != CMD_ACK_PLRINFO && sbLastCmd != CMD_SEND_PLRINFO)
		return 0;

	switch (pCmd->bCmd) {
	case CMD_SYNCDATA:
		return On_SYNCDATA(pCmd, pnum);
	case CMD_WALKXY:
		return On_WALKXY((TCmdLoc *)pCmd, pnum);
	case CMD_ADDSTR:
		return On_ADDSTR((TCmdParam1 *)pCmd, pnum);
	case CMD_ADDDEX:
		return On_ADDDEX((TCmdParam1 *)pCmd, pnum);
	case CMD_ADDMAG:
		return On_ADDMAG((TCmdParam1 *)pCmd, pnum);
	case CMD_ADDVIT:
		return On_ADDVIT((TCmdParam1 *)pCmd, pnum);
	case CMD_SBSPELL:
		return On_SBSPELL((TCmdParam1 *)pCmd, pnum);
	case CMD_GOTOGETITEM:
		return On_GOTOGETITEM((TCmdLocParam1 *)pCmd, pnum);
	case CMD_REQUESTGITEM:
		return On_REQUESTGITEM((TCmdGItem *)pCmd, pnum);
	case CMD_GETITEM:
		return On_GETITEM((TCmdGItem *)pCmd, pnum);
	case CMD_GOTOAGETITEM:
		return On_GOTOAGETITEM((TCmdLocParam1 *)pCmd, pnum);
	case CMD_REQUESTAGITEM:
		return On_REQUESTAGITEM((TCmdGItem *)pCmd, pnum);
	case CMD_AGETITEM:
		return On_AGETITEM((TCmdGItem *)pCmd, pnum);
	case CMD_ITEMEXTRA:
		return On_ITEMEXTRA((TCmdGItem *)pCmd, pnum);
	case CMD_PUTITEM:
		return On_PUTITEM((TCmdPItem *)pCmd, pnum);
	case CMD_SYNCPUTITEM:
		return On_SYNCPUTITEM((TCmdPItem *)pCmd, pnum);
	case CMD_RESPAWNITEM:
		return On_RESPAWNITEM((TCmdPItem *)pCmd, pnum);
	case CMD_ATTACKXY:
		return On_ATTACKXY((TCmdLoc *)pCmd, pnum);
	case CMD_SATTACKXY:
		return On_SATTACKXY((TCmdLoc *)pCmd, pnum);
	case CMD_RATTACKXY:
		return On_RATTACKXY((TCmdLoc *)pCmd, pnum);
	case CMD_SPELLXYD:
		return On_SPELLXYD((TCmdLocParam3 *)pCmd, pnum);
	case CMD_SPELLXY:
		return On_SPELLXY((TCmdLocParam2 *)pCmd, pnum);
	case CMD_TSPELLXY:
		return On_TSPELLXY((TCmdLocParam2 *)pCmd, pnum);
	case CMD_OPOBJXY:
		return On_OPOBJXY((TCmdLocParam1 *)pCmd, pnum);
	case CMD_DISARMXY:
		return On_DISARMXY((TCmdLocParam1 *)pCmd, pnum);
	case CMD_OPOBJT:
		return On_OPOBJT((TCmdParam1 *)pCmd, pnum);
	case CMD_ATTACKID:
		return On_ATTACKID((TCmdParam1 *)pCmd, pnum);
	case CMD_ATTACKPID:
		return On_ATTACKPID((TCmdParam1 *)pCmd, pnum);
	case CMD_RATTACKID:
		return On_RATTACKID((TCmdParam1 *)pCmd, pnum);
	case CMD_RATTACKPID:
		return On_RATTACKPID((TCmdParam1 *)pCmd, pnum);
	case CMD_SPELLID:
		return On_SPELLID((TCmdParam3 *)pCmd, pnum);
	case CMD_SPELLPID:
		return On_SPELLPID((TCmdParam3 *)pCmd, pnum);
	case CMD_TSPELLID:
		return On_TSPELLID((TCmdParam3 *)pCmd, pnum);
	case CMD_TSPELLPID:
		return On_TSPELLPID((TCmdParam3 *)pCmd, pnum);
	case CMD_KNOCKBACK:
		return On_KNOCKBACK((TCmdParam1 *)pCmd, pnum);
	case CMD_RESURRECT:
		return On_RESURRECT((TCmdParam1 *)pCmd, pnum);
	case CMD_HEALOTHER:
		return On_HEALOTHER((TCmdParam1 *)pCmd, pnum);
	case CMD_TALKXY:
		return On_TALKXY((TCmdLocParam1 *)pCmd, pnum);
	case CMD_DEBUG:
		return On_DEBUG(pCmd, pnum);
	case CMD_NEWLVL:
		return On_NEWLVL((TCmdParam2 *)pCmd, pnum);
	case CMD_WARP:
		return On_WARP((TCmdParam1 *)pCmd, pnum);
	case CMD_MONSTDEATH:
		return On_MONSTDEATH((TCmdLocParam1 *)pCmd, pnum);
	case CMD_KILLGOLEM:
		return On_KILLGOLEM((TCmdLocParam1 *)pCmd, pnum);
	case CMD_AWAKEGOLEM:
		return On_AWAKEGOLEM((TCmdGolem *)pCmd, pnum);
	case CMD_MONSTDAMAGE:
		return On_MONSTDAMAGE((TCmdParam2 *)pCmd, pnum);
	case CMD_PLRDEAD:
		return On_PLRDEAD((TCmdParam1 *)pCmd, pnum);
	case CMD_PLRDAMAGE:
		return On_PLRDAMAGE((TCmdDamage *)pCmd, pnum);
	case CMD_OPENDOOR:
		return On_OPENDOOR((TCmdParam1 *)pCmd, pnum);
	case CMD_CLOSEDOOR:
		return On_CLOSEDOOR((TCmdParam1 *)pCmd, pnum);
	case CMD_OPERATEOBJ:
		return On_OPERATEOBJ((TCmdParam1 *)pCmd, pnum);
	case CMD_PLROPOBJ:
		return On_PLROPOBJ((TCmdParam2 *)pCmd, pnum);
	case CMD_BREAKOBJ:
		return On_BREAKOBJ((TCmdParam2 *)pCmd, pnum);
	case CMD_CHANGEPLRITEMS:
		return On_CHANGEPLRITEMS((TCmdChItem *)pCmd, pnum);
	case CMD_DELPLRITEMS:
		return On_DELPLRITEMS((TCmdDelItem *)pCmd, pnum);
	case CMD_PLRLEVEL:
		return On_PLRLEVEL((TCmdParam1 *)pCmd, pnum);
	case CMD_DROPITEM:
		return On_DROPITEM((TCmdPItem *)pCmd, pnum);
	case CMD_ACK_PLRINFO:
		return On_ACK_PLRINFO((TCmdPlrInfoHdr *)pCmd, pnum);
	case CMD_SEND_PLRINFO:
		return On_SEND_PLRINFO((TCmdPlrInfoHdr *)pCmd, pnum);
	case CMD_PLAYER_JOINLEVEL:
		return On_PLAYER_JOINLEVEL((TCmdLocParam1 *)pCmd, pnum);
	case CMD_ACTIVATEPORTAL:
		return On_ACTIVATEPORTAL((TCmdLocParam3 *)pCmd, pnum);
	case CMD_DEACTIVATEPORTAL:
		return On_DEACTIVATEPORTAL(pCmd, pnum);
	case CMD_RETOWN:
		return On_RETOWN(pCmd, pnum);
	case CMD_SETSTR:
		return On_SETSTR((TCmdParam1 *)pCmd, pnum);
	case CMD_SETMAG:
		return On_SETMAG((TCmdParam1 *)pCmd, pnum);
	case CMD_SETDEX:
		return On_SETDEX((TCmdParam1 *)pCmd, pnum);
	case CMD_SETVIT:
		return On_SETVIT((TCmdParam1 *)pCmd, pnum);
	case CMD_STRING:
		return On_STRING((TCmdString *)pCmd, pnum);
	case CMD_SYNCQUEST:
		return On_SYNCQUEST((TCmdQuest *)pCmd, pnum);
	case CMD_ENDSHIELD:
		return On_ENDSHIELD(pCmd, pnum);
	case CMD_CHEAT_EXPERIENCE:
		return On_CHEAT_EXPERIENCE(pCmd, pnum);
	case CMD_CHEAT_SPELL_LEVEL:
		return On_CHEAT_SPELL_LEVEL(pCmd, pnum);
	case CMD_NOVA:
		return On_NOVA((TCmdLoc *)pCmd, pnum);
	case CMD_SETSHIELD:
		return On_SETSHIELD(pCmd, pnum);
	case CMD_REMSHIELD:
		return On_REMSHIELD(pCmd, pnum);
	}

	if (pCmd->bCmd < CMD_DLEVEL_0 || pCmd->bCmd > CMD_DLEVEL_END) {
		SNetDropPlayer(pnum, 0x40000006);
		return 0;
	}

	return On_DLEVEL(pnum, (TCmdPlrInfoHdr *)pCmd);
}
// 66E4A9: using guessed type char sbLastCmd;
// 67618D: using guessed type char sgbDeltaChunks;
// 6796E4: using guessed type char gbDeltaSender;

int On_DLEVEL(int pnum, TCmdPlrInfoHdr *pCmd)
{
	if ((unsigned char)gbDeltaSender == pnum) {
		if (sgbRecvCmd != CMD_DLEVEL_END) {
			if (sgbRecvCmd == pCmd->bCmd) {
			LABEL_17:
				memcpy(&sgRecvBuf[pCmd->wOffset], &pCmd[1], pCmd->wBytes);
				sgdwRecvOffset += pCmd->wBytes;
				return pCmd->wBytes + 5;
			}
			DeltaImportData(sgbRecvCmd, sgdwRecvOffset);
			if (pCmd->bCmd == CMD_DLEVEL_END) {
				sgbDeltaChunks = 20;
				sgbRecvCmd = CMD_DLEVEL_END;
				return pCmd->wBytes + 5;
			}
			sgdwRecvOffset = 0;
		LABEL_16:
			sgbRecvCmd = pCmd->bCmd;
			goto LABEL_17;
		}
	} else {
		if (pCmd->bCmd != CMD_DLEVEL_END && (pCmd->bCmd != CMD_DLEVEL_0 || pCmd->wOffset))
			return pCmd->wBytes + 5;
		gbDeltaSender = pnum;
		sgbRecvCmd = CMD_DLEVEL_END;
	}
	if (pCmd->bCmd == CMD_DLEVEL_END) {
		sgbDeltaChunks = 20;
		return pCmd->wBytes + 5;
	}
	if (pCmd->bCmd == CMD_DLEVEL_0 && !pCmd->wOffset) {
		sgdwRecvOffset = 0;
		goto LABEL_16;
	}
	return pCmd->wBytes + 5;
}

void DeltaImportData(BYTE cmd, DWORD recv_offset)
{
	BYTE i;
	BYTE *src;

	if (sgRecvBuf[0])
		PkwareDecompress(&sgRecvBuf[1], recv_offset, 4721);

	src = &sgRecvBuf[1];
	if (cmd == CMD_DLEVEL_JUNK) {
		DeltaImportJunk(src);
	} else if (cmd >= CMD_DLEVEL_0 && cmd <= CMD_DLEVEL_16) {
		i = cmd - CMD_DLEVEL_0;
		src = DeltaImportItem(src, sgLevels[i].item);
		src = DeltaImportObject(src, sgLevels[i].object);
		DeltaImportMonster(src, sgLevels[i].monster);
	} else {
		app_fatal("msg:1");
	}

	sgbDeltaChunks++;
	sgbDeltaChanged = TRUE;
}
// 67618D: using guessed type char sgbDeltaChunks;

BYTE *DeltaImportItem(BYTE *src, TCmdPItem *dst)
{
	int i;

	for (i = 0; i < MAXITEMS; i++) {
		if (*src == 0xFF) {
			memset(dst, 0xFF, sizeof(TCmdPItem));
			src++;
		} else {
			memcpy(dst, src, sizeof(TCmdPItem));
			src += sizeof(TCmdPItem);
		}
		dst++;
	}

	return src;
}

BYTE *DeltaImportObject(BYTE *src, DObjectStr *dst)
{
	memcpy(dst, src, sizeof(DObjectStr) * MAXOBJECTS);
	return src + sizeof(DObjectStr) * MAXOBJECTS;
}

BYTE *DeltaImportMonster(BYTE *src, DMonsterStr *dst)
{
	int i;

	for (i = 0; i < MAXMONSTERS; i++) {
		if (*src == 0xFF) {
			memset(dst, 0xFF, sizeof(DMonsterStr));
			src++;
		} else {
			memcpy(dst, src, sizeof(DMonsterStr));
			src += sizeof(DMonsterStr);
		}
		dst++;
	}

	return src;
}

void DeltaImportJunk(BYTE *src)
{
	int i;

	for (i = 0; i < MAXPORTAL; i++) {
		if (*src == 0xFF) {
			memset(&sgJunk.portal[i], 0xFF, sizeof(DPortal));
			src++;
			SetPortalStats(i, 0, 0, 0, 0, 0);
		} else {
			memcpy(&sgJunk.portal[i], src, sizeof(DPortal));
			src += sizeof(DPortal);
			SetPortalStats(
			    i,
			    1,
			    sgJunk.portal[i].x,
			    sgJunk.portal[i].y,
			    sgJunk.portal[i].level,
			    sgJunk.portal[i].ltype);
		}
	}

	for (i = 0; i < MAXMULTIQUESTS; i++) {
		if (questlist[i]._qflags & 1) {
			memcpy(&sgJunk.quests[i], src, sizeof(MultiQuests));
			src += sizeof(MultiQuests);
			quests[i]._qlog = sgJunk.quests[i].qlog;
			quests[i]._qactive = sgJunk.quests[i].qstate;
			quests[i]._qvar1 = sgJunk.quests[i].qvar1;
		}
	}
}

int On_SYNCDATA(void *packet, int pnum)
{
	return sync_update(pnum, (const BYTE *)packet);
}

int On_WALKXY(TCmdLoc *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		ClrPlrPath(pnum);
		MakePlrPath(pnum, pCmd->x, pCmd->y, TRUE);
		plr[pnum].destAction = ACTION_NONE;
	}

	return sizeof(*pCmd);
}

int On_ADDSTR(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 256)
		ModifyPlrStr(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_ADDMAG(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 256)
		ModifyPlrMag(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_ADDDEX(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 256)
		ModifyPlrDex(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_ADDVIT(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 256)
		ModifyPlrVit(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_SBSPELL(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1) {
		if (currlevel != 0 || spelldata[pCmd->wParam1].sTownSpell) {
			plr[pnum]._pSpell = pCmd->wParam1;
			plr[pnum]._pSplType = plr[pnum]._pSBkSplType;
			plr[pnum]._pSplFrom = 1;
			plr[pnum].destAction = ACTION_SPELL;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

void __cdecl msg_errorf(const char *pszFmt, ...)
{
	static DWORD msg_err_timer;
	DWORD ticks;
	char msg[256];
	va_list va;

	va_start(va, pszFmt);
	ticks = GetTickCount();
	if (ticks - msg_err_timer >= 5000) {
		msg_err_timer = ticks;
		vsprintf(msg, pszFmt, va);
		ErrorPlrMsg(msg);
	}
	va_end(va);
}

int On_GOTOGETITEM(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		MakePlrPath(pnum, pCmd->x, pCmd->y, FALSE);
		plr[pnum].destAction = ACTION_PICKUPITEM;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_REQUESTGITEM(TCmdGItem *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && i_own_level(plr[pnum].plrlevel)) {
		if (GetItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx)) {
			int ii = FindGetItem(pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
			if (ii != -1) {
				NetSendCmdGItem2(FALSE, CMD_GETITEM, myplr, pCmd->bPnum, pCmd);
				if (pCmd->bPnum != myplr)
					SyncGetItem(pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
				else
					InvGetItem(myplr, ii);
				SetItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
			} else if (!NetSendCmdReq2(CMD_REQUESTGITEM, myplr, pCmd->bPnum, pCmd))
				NetSendCmdExtra(pCmd);
		}
	}

	return sizeof(*pCmd);
}

BOOL i_own_level(int nReqLevel)
{
	int i;

	for (i = 0; i < MAX_PLRS; i++) {
		if (plr[i].plractive
		    && !plr[i]._pLvlChanging
		    && plr[i].plrlevel == nReqLevel
		    && (i != myplr || !gbBufferMsgs))
			break;
	}

	return i == myplr;
}
// 676194: using guessed type char gbBufferMsgs;

int On_GETITEM(TCmdGItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		int ii = FindGetItem(pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
		if (delta_get_item(pCmd, pCmd->bLevel)) {
			if ((currlevel == pCmd->bLevel || pCmd->bPnum == myplr) && pCmd->bMaster != myplr) {
				if (pCmd->bPnum == myplr) {
					if (currlevel != pCmd->bLevel) {
						ii = SyncPutItem(myplr, plr[myplr].WorldX, plr[myplr].WorldY, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed, pCmd->bId, pCmd->bDur, pCmd->bMDur, pCmd->bCh, pCmd->bMCh, pCmd->wValue, pCmd->dwBuff);
						if (ii != -1)
							InvGetItem(myplr, ii);
					} else
						InvGetItem(myplr, ii);
				} else
					SyncGetItem(pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
			}
		} else
			NetSendCmdGItem2(TRUE, CMD_GETITEM, pCmd->bMaster, pCmd->bPnum, pCmd);
	}

	return sizeof(*pCmd);
}

BOOL delta_get_item(TCmdGItem *pI, BYTE bLevel)
{
	BOOL result;
	TCmdPItem *pD;
	int i;

	if (gbMaxPlayers != 1) {
		for (i = 0; i < MAXITEMS; i++) {
			pD = &sgLevels[bLevel].item[i];
			if (*(BYTE *)pD != 0xFF
			    && pD->wIndx == pI->wIndx
			    && pD->wCI == pI->wCI
			    && pD->dwSeed == pI->dwSeed) {
				if (pD->bCmd == CMD_STAND) {
					sgbDeltaChanged = 1;
					pD->bCmd = CMD_WALKXY;
					return TRUE;
				} else if (pD->bCmd == CMD_WALKXY) {
					return TRUE;
				} else if (pD->bCmd == CMD_ACK_PLRINFO) {
					*(BYTE *)pD = 0xFF;
					sgbDeltaChanged = 1;
					return TRUE;
				} else {
					app_fatal("delta:1");
				}
				return result;
			}
		}

		if (((pI->wCI >> 8) & 0x80) == 0)
			return FALSE;

		for (i = 0; i < MAXITEMS; i++) {
			pD = &sgLevels[bLevel].item[i];
			if (*(BYTE *)pD == 0xFF) {
				sgbDeltaChanged = 1;
				pD->bCmd = CMD_WALKXY;
				pD->x = pI->x;
				pD->y = pI->y;
				pD->wIndx = pI->wIndx;
				pD->wCI = pI->wCI;
				pD->dwSeed = pI->dwSeed;
				pD->bId = pI->bId;
				pD->bDur = pI->bDur;
				pD->bMDur = pI->bMDur;
				pD->bCh = pI->bCh;
				pD->bMCh = pI->bMCh;
				pD->wValue = pI->wValue;
				pD->dwBuff = pI->dwBuff;
				return TRUE;
			}
		}
	}
	return TRUE;
}
// 679660: using guessed type char gbMaxPlayers;

int On_GOTOAGETITEM(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		MakePlrPath(pnum, pCmd->x, pCmd->y, FALSE);
		plr[pnum].destAction = ACTION_PICKUPAITEM;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_REQUESTAGITEM(TCmdGItem *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && i_own_level(plr[pnum].plrlevel)) {
		if (GetItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx)) {
			int ii = FindGetItem(pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
			if (ii != -1) {
				NetSendCmdGItem2(FALSE, CMD_AGETITEM, myplr, pCmd->bPnum, pCmd);
				if (pCmd->bPnum != myplr)
					SyncGetItem(pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
				else
					AutoGetItem(myplr, pCmd->bCursitem);
				SetItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
			} else if (!NetSendCmdReq2(CMD_REQUESTAGITEM, myplr, pCmd->bPnum, pCmd))
				NetSendCmdExtra(pCmd);
		}
	}

	return sizeof(*pCmd);
}

int On_AGETITEM(TCmdGItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		FindGetItem(pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
		if (delta_get_item(pCmd, pCmd->bLevel)) {
			if ((currlevel == pCmd->bLevel || pCmd->bPnum == myplr) && pCmd->bMaster != myplr) {
				if (pCmd->bPnum == myplr) {
					if (currlevel != pCmd->bLevel) {
						int ii = SyncPutItem(myplr, plr[myplr].WorldX, plr[myplr].WorldY, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed, pCmd->bId, pCmd->bDur, pCmd->bMDur, pCmd->bCh, pCmd->bMCh, pCmd->wValue, pCmd->dwBuff);
						if (ii != -1)
							AutoGetItem(myplr, ii);
					} else
						AutoGetItem(myplr, pCmd->bCursitem);
				} else
					SyncGetItem(pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
			}
		} else
			NetSendCmdGItem2(TRUE, CMD_AGETITEM, pCmd->bMaster, pCmd->bPnum, pCmd);
	}

	return sizeof(*pCmd);
}

int On_ITEMEXTRA(TCmdGItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		delta_get_item(pCmd, pCmd->bLevel);
		if (currlevel == plr[pnum].plrlevel)
			SyncGetItem(pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed);
	}

	return sizeof(*pCmd);
}

int On_PUTITEM(TCmdPItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (currlevel == plr[pnum].plrlevel) {
		int ii;
		if (pnum == myplr)
			ii = InvPutItem(pnum, pCmd->x, pCmd->y);
		else
			ii = SyncPutItem(pnum, pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed, pCmd->bId, pCmd->bDur, pCmd->bMDur, pCmd->bCh, pCmd->bMCh, pCmd->wValue, pCmd->dwBuff);
		if (ii != -1) {
			PutItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
			delta_put_item(pCmd, item[ii]._ix, item[ii]._iy, plr[pnum].plrlevel);
			check_update_plr(pnum);
		}
		return sizeof(*pCmd);
	} else {
		PutItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
		delta_put_item(pCmd, pCmd->x, pCmd->y, plr[pnum].plrlevel);
		check_update_plr(pnum);
	}

	return sizeof(*pCmd);
}

void delta_put_item(TCmdPItem *pI, int x, int y, BYTE bLevel)
{
	int i;
	TCmdPItem *pD;

	if (gbMaxPlayers != 1) {
		for (i = 0; i < MAXITEMS; i++) {
			pD = &sgLevels[bLevel].item[i];
			if (pD->bCmd != CMD_WALKXY
			    && pD->bCmd != 0xFF
			    && pD->wIndx == pI->wIndx
			    && pD->wCI == pI->wCI
			    && pD->dwSeed == pI->dwSeed) {
				if (pD->bCmd == CMD_ACK_PLRINFO)
					return;
				app_fatal("Trying to drop a floor item?");
			}
		}

		for (i = 0; i < MAXITEMS; i++) {
			pD = &sgLevels[bLevel].item[i];
			if (pD->bCmd == 0xFF) {
				sgbDeltaChanged = TRUE;
				memcpy(pD, pI, sizeof(TCmdPItem));
				pD->bCmd = CMD_ACK_PLRINFO;
				pD->x = x;
				pD->y = y;
				return;
			}
		}
	}
}
// 679660: using guessed type char gbMaxPlayers;

void check_update_plr(int pnum)
{
	if (gbMaxPlayers != 1 && pnum == myplr)
		pfile_update(1);
}
// 679660: using guessed type char gbMaxPlayers;

int On_SYNCPUTITEM(TCmdPItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (currlevel == plr[pnum].plrlevel) {
		int ii = SyncPutItem(pnum, pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed, pCmd->bId, pCmd->bDur, pCmd->bMDur, pCmd->bCh, pCmd->bMCh, pCmd->wValue, pCmd->dwBuff);
		if (ii != -1) {
			PutItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
			delta_put_item(pCmd, item[ii]._ix, item[ii]._iy, plr[pnum].plrlevel);
			check_update_plr(pnum);
		}
		return sizeof(*pCmd);
	} else {
		PutItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
		delta_put_item(pCmd, pCmd->x, pCmd->y, plr[pnum].plrlevel);
		check_update_plr(pnum);
	}

	return sizeof(*pCmd);
}

int On_RESPAWNITEM(TCmdPItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (currlevel == plr[pnum].plrlevel && pnum != myplr)
			SyncPutItem(pnum, pCmd->x, pCmd->y, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed, pCmd->bId, pCmd->bDur, pCmd->bMDur, pCmd->bCh, pCmd->bMCh, pCmd->wValue, pCmd->dwBuff);
		PutItemRecord(pCmd->dwSeed, pCmd->wCI, pCmd->wIndx);
		delta_put_item(pCmd, pCmd->x, pCmd->y, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_ATTACKXY(TCmdLoc *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		MakePlrPath(pnum, pCmd->x, pCmd->y, FALSE);
		plr[pnum].destAction = ACTION_ATTACK;
		plr[pnum].destParam1 = pCmd->x;
		plr[pnum].destParam2 = pCmd->y;
	}

	return sizeof(*pCmd);
}

int On_SATTACKXY(TCmdLoc *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		ClrPlrPath(pnum);
		plr[pnum].destAction = ACTION_ATTACK;
		plr[pnum].destParam1 = pCmd->x;
		plr[pnum].destParam2 = pCmd->y;
	}

	return sizeof(*pCmd);
}

int On_RATTACKXY(TCmdLoc *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		ClrPlrPath(pnum);
		plr[pnum].destAction = ACTION_RATTACK;
		plr[pnum].destParam1 = pCmd->x;
		plr[pnum].destParam2 = pCmd->y;
	}

	return sizeof(*pCmd);
}

int On_SPELLXYD(TCmdLocParam3 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam1].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELLWALL;
			plr[pnum].destParam1 = pCmd->x;
			plr[pnum].destParam2 = pCmd->y;
			plr[pnum].destParam3 = pCmd->wParam2;
			plr[pnum].destParam4 = pCmd->wParam3;
			plr[pnum]._pSpell = pCmd->wParam1;
			plr[pnum]._pSplType = plr[pnum]._pRSplType;
			plr[pnum]._pSplFrom = 0;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_SPELLXY(TCmdLocParam2 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam1].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELL;
			plr[pnum].destParam1 = pCmd->x;
			plr[pnum].destParam2 = pCmd->y;
			plr[pnum].destParam3 = pCmd->wParam2;
			plr[pnum]._pSpell = pCmd->wParam1;
			plr[pnum]._pSplType = plr[pnum]._pRSplType;
			plr[pnum]._pSplFrom = 0;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_TSPELLXY(TCmdLocParam2 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam1].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELL;
			plr[pnum].destParam1 = pCmd->x;
			plr[pnum].destParam2 = pCmd->y;
			plr[pnum].destParam3 = pCmd->wParam2;
			plr[pnum]._pSpell = pCmd->wParam1;
			plr[pnum]._pSplType = plr[pnum]._pTSplType;
			plr[pnum]._pSplFrom = 2;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_OPOBJXY(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (object[pCmd->wParam1]._oSolidFlag || object[pCmd->wParam1]._oDoorFlag)
			MakePlrPath(pnum, pCmd->x, pCmd->y, FALSE);
		else
			MakePlrPath(pnum, pCmd->x, pCmd->y, TRUE);
		plr[pnum].destAction = ACTION_OPERATE;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_DISARMXY(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (object[pCmd->wParam1]._oSolidFlag || object[pCmd->wParam1]._oDoorFlag)
			MakePlrPath(pnum, pCmd->x, pCmd->y, FALSE);
		else
			MakePlrPath(pnum, pCmd->x, pCmd->y, TRUE);
		plr[pnum].destAction = ACTION_DISARM;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_OPOBJT(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		plr[pnum].destAction = ACTION_OPERATETK;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_ATTACKID(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		int distx = abs(plr[pnum].WorldX - monster[pCmd->wParam1]._mfutx);
		int disty = abs(plr[pnum].WorldY - monster[pCmd->wParam1]._mfuty);
		if (distx > 1 || disty > 1)
			MakePlrPath(pnum, monster[pCmd->wParam1]._mfutx, monster[pCmd->wParam1]._mfuty, FALSE);
		plr[pnum].destAction = ACTION_ATTACKMON;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_ATTACKPID(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		MakePlrPath(pnum, plr[pCmd->wParam1]._px, plr[pCmd->wParam1]._py, FALSE);
		plr[pnum].destAction = ACTION_ATTACKPLR;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_RATTACKID(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		ClrPlrPath(pnum);
		plr[pnum].destAction = ACTION_RATTACKMON;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_RATTACKPID(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		ClrPlrPath(pnum);
		plr[pnum].destAction = ACTION_RATTACKPLR;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_SPELLID(TCmdParam3 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam2].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELLMON;
			plr[pnum].destParam1 = pCmd->wParam1;
			plr[pnum].destParam2 = pCmd->wParam3;
			plr[pnum]._pSpell = pCmd->wParam2;
			plr[pnum]._pSplType = plr[pnum]._pRSplType;
			plr[pnum]._pSplFrom = 0;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_SPELLPID(TCmdParam3 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam2].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELLPLR;
			plr[pnum].destParam1 = pCmd->wParam1;
			plr[pnum].destParam2 = pCmd->wParam3;
			plr[pnum]._pSpell = pCmd->wParam2;
			plr[pnum]._pSplType = plr[pnum]._pRSplType;
			plr[pnum]._pSplFrom = 0;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_TSPELLID(TCmdParam3 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam2].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELLMON;
			plr[pnum].destParam1 = pCmd->wParam1;
			plr[pnum].destParam2 = pCmd->wParam3;
			plr[pnum]._pSpell = pCmd->wParam2;
			plr[pnum]._pSplType = plr[pnum]._pTSplType;
			plr[pnum]._pSplFrom = 2;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_TSPELLPID(TCmdParam3 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		if (currlevel != 0 || spelldata[pCmd->wParam2].sTownSpell) {
			ClrPlrPath(pnum);
			plr[pnum].destAction = ACTION_SPELLPLR;
			plr[pnum].destParam1 = pCmd->wParam1;
			plr[pnum].destParam2 = pCmd->wParam3;
			plr[pnum]._pSpell = pCmd->wParam2;
			plr[pnum]._pSplType = plr[pnum]._pTSplType;
			plr[pnum]._pSplFrom = 2;
		} else
			msg_errorf("%s has cast an illegal spell.", plr[pnum]._pName);
	}

	return sizeof(*pCmd);
}

int On_KNOCKBACK(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		M_GetKnockback(pCmd->wParam1);
		M_StartHit(pCmd->wParam1, pnum, 0);
	}

	return sizeof(*pCmd);
}

int On_RESURRECT(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		DoResurrect(pnum, pCmd->wParam1);
		check_update_plr(pnum);
	}

	return sizeof(*pCmd);
}

int On_HEALOTHER(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel)
		DoHealOther(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_TALKXY(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel) {
		MakePlrPath(pnum, pCmd->x, pCmd->y, FALSE);
		plr[pnum].destAction = ACTION_TALK;
		plr[pnum].destParam1 = pCmd->wParam1;
	}

	return sizeof(*pCmd);
}

int On_NEWLVL(TCmdParam2 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr)
		StartNewLvl(pnum, pCmd->wParam1, pCmd->wParam2);

	return sizeof(*pCmd);
}

int On_WARP(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		StartWarpLvl(pnum, pCmd->wParam1);
		if (pnum == myplr && pcurs >= CURSOR_FIRSTITEM) {
			item[MAXITEMS] = plr[myplr].HoldItem;
			AutoGetItem(myplr, MAXITEMS);
		}
	}

	return sizeof(*pCmd);
}

int On_MONSTDEATH(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr) {
		if (currlevel == plr[pnum].plrlevel)
			M_SyncStartKill(pCmd->wParam1, pCmd->x, pCmd->y, pnum);
		delta_kill_monster(pCmd->wParam1, pCmd->x, pCmd->y, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_KILLGOLEM(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr) {
		if (currlevel == pCmd->wParam1)
			M_SyncStartKill(pnum, pCmd->x, pCmd->y, pnum);
		delta_kill_monster(pnum, pCmd->x, pCmd->y, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_AWAKEGOLEM(TCmdGolem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (currlevel != plr[pnum].plrlevel)
		delta_sync_golem(pCmd, pnum, pCmd->_currlevel);
	else if (pnum != myplr) {
		int i;
		// check if this player already has an active golem
		BOOL addGolem = TRUE;
		for (i = 0; i < nummissiles; i++) {
			int mi = missileactive[i];
			if (missile[mi]._mitype == MIS_GOLEM && missile[mi]._misource == pnum) {
				addGolem = FALSE;
				// BUGFIX: break, don't need to check the rest
			}
		}
		if (addGolem)
			AddMissile(plr[pnum].WorldX, plr[pnum].WorldY, pCmd->_mx, pCmd->_my, pCmd->_mdir, MIS_GOLEM, 0, pnum, 0, 1);
	}

	return sizeof(*pCmd);
}

int On_MONSTDAMAGE(TCmdParam2 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr) {
		if (currlevel == plr[pnum].plrlevel) {
			monster[pCmd->wParam1].mWhoHit |= 1 << pnum;

			if (monster[pCmd->wParam1]._mhitpoints) {
				monster[pCmd->wParam1]._mhitpoints -= pCmd->wParam2;
				if ((monster[pCmd->wParam1]._mhitpoints >> 6) < 1)
					monster[pCmd->wParam1]._mhitpoints = 1 << 6;
				delta_monster_hp(pCmd->wParam1, monster[pCmd->wParam1]._mhitpoints, plr[pnum].plrlevel);
			}
		}
	}

	return sizeof(*pCmd);
}

int On_PLRDEAD(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr)
		StartPlayerKill(pnum, pCmd->wParam1);
	else
		check_update_plr(pnum);

	return sizeof(*pCmd);
}

int On_PLRDAMAGE(TCmdDamage *pCmd, int pnum)
{
	if (pCmd->bPlr == myplr && currlevel != 0) {
		if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel && pCmd->dwDam <= 192000) {
			if ((plr[myplr]._pHitPoints >> 6) > 0) {
				drawhpflag = TRUE;
				plr[myplr]._pHitPoints -= pCmd->dwDam;
				plr[myplr]._pHPBase -= pCmd->dwDam;
				if (plr[myplr]._pHitPoints > plr[myplr]._pMaxHP) {
					plr[myplr]._pHitPoints = plr[myplr]._pMaxHP;
					plr[myplr]._pHPBase = plr[myplr]._pMaxHPBase;
				}
				if ((plr[myplr]._pHitPoints >> 6) <= 0)
					SyncPlrKill(myplr, 1);
			}
		}
	}

	return sizeof(*pCmd);
}

int On_OPENDOOR(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (currlevel == plr[pnum].plrlevel)
			SyncOpObject(pnum, CMD_OPENDOOR, pCmd->wParam1);
		delta_sync_object(pCmd->wParam1, CMD_OPENDOOR, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

void delta_sync_object(int oi, BYTE bCmd, BYTE bLevel)
{
	if (gbMaxPlayers != 1) {
		sgbDeltaChanged = TRUE;
		sgLevels[bLevel].object[oi].bCmd = bCmd;
	}
}
// 679660: using guessed type char gbMaxPlayers;

int On_CLOSEDOOR(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (currlevel == plr[pnum].plrlevel)
			SyncOpObject(pnum, CMD_CLOSEDOOR, pCmd->wParam1);
		delta_sync_object(pCmd->wParam1, CMD_CLOSEDOOR, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_OPERATEOBJ(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (currlevel == plr[pnum].plrlevel)
			SyncOpObject(pnum, CMD_OPERATEOBJ, pCmd->wParam1);
		delta_sync_object(pCmd->wParam1, CMD_OPERATEOBJ, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_PLROPOBJ(TCmdParam2 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (currlevel == plr[pnum].plrlevel)
			SyncOpObject(pCmd->wParam1, CMD_PLROPOBJ, pCmd->wParam2);
		delta_sync_object(pCmd->wParam2, CMD_PLROPOBJ, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_BREAKOBJ(TCmdParam2 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (currlevel == plr[pnum].plrlevel)
			SyncBreakObj(pCmd->wParam1, pCmd->wParam2);
		delta_sync_object(pCmd->wParam2, CMD_BREAKOBJ, plr[pnum].plrlevel);
	}

	return sizeof(*pCmd);
}

int On_CHANGEPLRITEMS(TCmdChItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr)
		CheckInvSwap(pnum, pCmd->bLoc, pCmd->wIndx, pCmd->wCI, pCmd->dwSeed, pCmd->bId);

	return sizeof(*pCmd);
}

int On_DELPLRITEMS(TCmdDelItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pnum != myplr)
		inv_update_rem_item(pnum, pCmd->bLoc);

	return sizeof(*pCmd);
}

int On_PLRLEVEL(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= MAXCHARLEVEL && pnum != myplr)
		plr[pnum]._pLevel = pCmd->wParam1;

	return sizeof(*pCmd);
}

int On_DROPITEM(TCmdPItem *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else
		delta_put_item(pCmd, pCmd->x, pCmd->y, plr[pnum].plrlevel);

	return sizeof(*pCmd);
}

int On_SEND_PLRINFO(TCmdPlrInfoHdr *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, pCmd->wBytes + sizeof(*pCmd));
	else
		recv_plrinfo(pnum, pCmd, pCmd->bCmd == CMD_ACK_PLRINFO);

	return pCmd->wBytes + sizeof(*pCmd);
}

int On_ACK_PLRINFO(TCmdPlrInfoHdr *pCmd, int pnum)
{
	return On_SEND_PLRINFO(pCmd, pnum);
}

int On_PLAYER_JOINLEVEL(TCmdLocParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		plr[pnum]._pLvlChanging = 0;
		if (plr[pnum]._pName[0] && !plr[pnum].plractive) {
			plr[pnum].plractive = TRUE;
			gbActivePlayers++;
			EventPlrMsg("Player '%s' (level %d) just joined the game", plr[pnum]._pName, plr[pnum]._pLevel);
		}

		if (plr[pnum].plractive && myplr != pnum) {
			plr[pnum].WorldX = pCmd->x;
			plr[pnum].WorldY = pCmd->y;
			plr[pnum].plrlevel = pCmd->wParam1;
			plr[pnum]._pGFXLoad = 0;
			if (currlevel == plr[pnum].plrlevel) {
				LoadPlrGFX(pnum, PFILE_STAND);
				SyncInitPlr(pnum);
				if ((plr[pnum]._pHitPoints >> 6) > 0)
					StartStand(pnum, 0);
				else {
					plr[pnum]._pgfxnum = 0;
					LoadPlrGFX(pnum, PFILE_DEATH);
					plr[pnum]._pmode = PM_DEATH;
					NewPlrAnim(pnum, plr[pnum]._pDAnim[0], plr[pnum]._pDFrames, 1, plr[pnum]._pDWidth);
					plr[pnum]._pAnimFrame = plr[pnum]._pAnimLen - 1;
					plr[pnum]._pVar8 = plr[pnum]._pAnimLen << 1;
					dFlags[plr[pnum].WorldX][plr[pnum].WorldY] |= DFLAG_DEAD_PLAYER;
				}

				plr[pnum]._pvid = AddVision(plr[pnum].WorldX, plr[pnum].WorldY, plr[pnum]._pLightRad, pnum == myplr);
				plr[pnum]._plid = -1;
			}
		}
	}

	return sizeof(*pCmd);
}

int On_ACTIVATEPORTAL(TCmdLocParam3 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		ActivatePortal(pnum, pCmd->x, pCmd->y, pCmd->wParam1, pCmd->wParam2, pCmd->wParam3);
		if (pnum != myplr) {
			if (currlevel == 0)
				AddInTownPortal(pnum);
			else if (currlevel == plr[pnum].plrlevel) {
				int i;
				BOOL addPortal = TRUE;
				for (i = 0; i < nummissiles; i++) {
					int mi = missileactive[i];
					if (missile[mi]._mitype == MIS_TOWN && missile[mi]._misource == pnum) {
						addPortal = FALSE;
						// BUGFIX: break
					}
				}
				if (addPortal)
					AddWarpMissile(pnum, pCmd->x, pCmd->y);
			} else
				RemovePortalMissile(pnum);
		}
		delta_open_portal(pnum, pCmd->x, pCmd->y, pCmd->wParam1, pCmd->wParam2, pCmd->wParam3);
	}

	return sizeof(*pCmd);
}

void delta_open_portal(int pnum, BYTE x, BYTE y, BYTE bLevel, BYTE bLType, BYTE bSetLvl)
{
	sgbDeltaChanged = TRUE;
	sgJunk.portal[pnum].x = x;
	sgJunk.portal[pnum].y = y;
	sgJunk.portal[pnum].level = bLevel;
	sgJunk.portal[pnum].ltype = bLType;
	sgJunk.portal[pnum].setlvl = bSetLvl;
}

int On_DEACTIVATEPORTAL(TCmd *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (PortalOnLevel(pnum))
			RemovePortalMissile(pnum);
		DeactivatePortal(pnum);
		RemovePlrPortal(pnum);
	}

	return sizeof(*pCmd);
}

int On_RETOWN(TCmd *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (pnum == myplr) {
			deathflag = FALSE;
			gamemenu_off();
		}
		RestartTownLvl(pnum);
	}

	return sizeof(*pCmd);
}

int On_SETSTR(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 750 && pnum != myplr)
		SetPlrStr(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_SETDEX(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 750 && pnum != myplr)
		SetPlrDex(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_SETMAG(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 750 && pnum != myplr)
		SetPlrMag(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_SETVIT(TCmdParam1 *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (pCmd->wParam1 <= 750 && pnum != myplr)
		SetPlrVit(pnum, pCmd->wParam1);

	return sizeof(*pCmd);
}

int On_STRING(TCmdString *pCmd, int pnum)
{
	return On_STRING2(pnum, pCmd);
}

int On_STRING2(int pnum, TCmdString *pCmd)
{
	int len = strlen(pCmd->str);
	if (!gbBufferMsgs)
		SendPlrMsg(pnum, pCmd->str);

	return len + 2; // length of string + nul terminator + sizeof(pCmd->bCmd)
}

int On_SYNCQUEST(TCmdQuest *pCmd, int pnum)
{
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else {
		if (pnum != myplr)
			SetMultiQuest(pCmd->q, pCmd->qstate, pCmd->qlog, pCmd->qvar1);
		sgbDeltaChanged = TRUE;
	}

	return sizeof(*pCmd);
}

int On_ENDSHIELD(TCmd *pCmd, int pnum)
{
	int i;

	if (gbBufferMsgs != 1 && pnum != myplr && currlevel == plr[pnum].plrlevel) {
		for (i = 0; i < nummissiles; i++) {
			int mi = missileactive[i];
			if (missile[mi]._mitype == MIS_MANASHIELD && missile[mi]._misource == pnum) {
				ClearMissileSpot(mi);
				DeleteMissile(mi, i);
			}
		}
	}

	return sizeof(*pCmd);
}

int On_CHEAT_EXPERIENCE(TCmd *pCmd, int pnum)
{
#ifdef _DEBUG
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else if (plr[pnum]._pLevel < MAXCHARLEVEL - 1) {
		plr[pnum]._pExperience = plr[pnum]._pNextExper;
		NextPlrLevel(pnum);
	}
#endif
	return sizeof(*pCmd);
}

int On_CHEAT_SPELL_LEVEL(TCmd *pCmd, int pnum)
{
#ifdef _DEBUG
	if (gbBufferMsgs == 1)
		msg_send_packet(pnum, pCmd, sizeof(*pCmd));
	else
		plr[pnum]._pSplLvl[plr[pnum]._pRSpell]++;
#endif
	return sizeof(*pCmd);
}

int On_DEBUG(TCmd *pCmd, int pnum)
{
	return sizeof(*pCmd);
}

int On_NOVA(TCmdLoc *pCmd, int pnum)
{
	if (gbBufferMsgs != 1 && currlevel == plr[pnum].plrlevel && pnum != myplr) {
		ClrPlrPath(pnum);
		plr[pnum]._pSpell = SPL_NOVA;
		plr[pnum]._pSplType = 4;
		plr[pnum]._pSplFrom = 3;
		plr[pnum].destAction = ACTION_SPELL;
		plr[pnum].destParam1 = pCmd->x;
		plr[pnum].destParam2 = pCmd->y;
	}

	return sizeof(*pCmd);
}

int On_SETSHIELD(TCmd *pCmd, int pnum)
{
	if (gbBufferMsgs != 1)
		plr[pnum].pManaShield = TRUE;

	return sizeof(*pCmd);
}

int On_REMSHIELD(TCmd *pCmd, int pnum)
{
	if (gbBufferMsgs != 1)
		plr[pnum].pManaShield = FALSE;

	return sizeof(*pCmd);
}