devilutionX/Source/sync.cpp

//HEADER_GOES_HERE

#include "../types.h"

DEVILUTION_BEGIN_NAMESPACE

short sync_word_6AA708[MAXMONSTERS];
int syncmonsters; // weak
short sync_word_6AA89C[MAXMONSTERS];
int syncitems;
int sgnSyncPInv; // weak

int __fastcall sync_all_monsters(TSyncHeader *packet, int size)
{
	int result;       // eax
	TSyncHeader *v3;  // esi
	int v4;           // ebx
	TSyncMonster *v5; // edi
	unsigned int v6;  // [esp+4h] [ebp-4h]

	result = size;
	if (nummonsters >= 1 && (unsigned int)size >= 0x2B) {
		v3 = packet;
		v6 = size - 38;
		v4 = 0;
		packet->bCmd = CMD_SYNCDATA;
		v5 = (TSyncMonster *)(&packet->bPInvId + 1);
		packet->bLevel = currlevel;
		packet->wLen = 0;
		SyncPlrInv(packet);
		sync_one_monster();
		if (nummonsters > 0) {
			do {
				if (v6 < 5 || (v4 >= 2 || !sync_monster_active2(v5)) && !sync_monster_active(v5))
					break;
				v3->wLen += 5;
				v6 -= 5;
				++v5;
				++v4;
			} while (v4 < nummonsters);
		}
		result = v6;
	}
	return result;
}

void __cdecl sync_one_monster()
{
	int i;      // ebx
	int v1;     // edi
	int v2;     // esi
	short v3;   // bp
	short v4;   // ax
	BOOLEAN v5; // zf
	short *v6;  // edx
	short *v7;  // eax

	for (i = 0; i < nummonsters; ++i) {
		v1 = monstactive[i];
		v2 = monstactive[i];
		v3 = abs(plr[myplr].WorldY - monster[v2]._my);
		v4 = abs(plr[myplr].WorldX - monster[v2]._mx);
		v5 = monster[v2]._msquelch == 0;
		v6 = &sync_word_6AA708[v1];
		*v6 = v4 + v3;
		if (v5) {
			*v6 = v4 + v3 + 4096;
		} else {
			v7 = &sync_word_6AA89C[v1];
			if (*v7)
				--*v7;
		}
	}
}

int __fastcall sync_monster_active(TSyncMonster *packet)
{
	unsigned int v1; // ebx
	int v2;          // esi
	int v3;          // edx
	int v4;          // eax

	v1 = -1;
	v2 = 0;
	v3 = -1;
	if (nummonsters <= 0)
		return 0;
	do {
		v4 = monstactive[v2];
		if ((unsigned short)sync_word_6AA708[v4] < v1 && (unsigned short)sync_word_6AA89C[v4] < 0xFFFEu) {
			v1 = (unsigned short)sync_word_6AA708[v4];
			v3 = monstactive[v2];
		}
		++v2;
	} while (v2 < nummonsters);
	if (v3 == -1)
		return 0;
	sync_monster_pos(packet, v3);
	return 1;
}

void __fastcall sync_monster_pos(TSyncMonster *packet, int mon_id)
{
	int v2;           // ebx
	TSyncMonster *v3; // esi
	int v4;           // edi
	int v5;           // eax
	short v6;         // cx
	char v7;          // cl

	v2 = mon_id;
	v3 = packet;
	v4 = mon_id;
	packet->_mndx = mon_id;
	packet->_mx = monster[mon_id]._mx;
	packet->_my = monster[mon_id]._my;
	packet->_menemy = encode_enemy(mon_id);
	v5 = v2;
	v6 = sync_word_6AA708[v2];
	if ((unsigned short)v6 > 0xFFu)
		_LOBYTE(v6) = -1;
	v3->_mdelta = v6;
	v7 = monster[v4]._msquelch;
	sync_word_6AA708[v5] = -1;
	sync_word_6AA89C[v5] = -(v7 != 0) - 1;
}

int __fastcall sync_monster_active2(TSyncMonster *packet)
{
	int v1;          // edx
	unsigned int v2; // ebp
	int v3;          // eax
	int v4;          // esi
	int v6;          // [esp+8h] [ebp-4h]

	v1 = -1;
	v2 = 65534;
	if (nummonsters <= 0)
		return 0;
	v3 = syncmonsters;
	v6 = nummonsters;
	do {
		if (v3 >= nummonsters)
			v3 = 0;
		v4 = monstactive[v3];
		if ((unsigned short)sync_word_6AA89C[v4] < v2) {
			v2 = (unsigned short)sync_word_6AA89C[v4];
			v1 = monstactive[v3];
		}
		++v3;
		--v6;
	} while (v6);
	syncmonsters = v3;
	if (v1 == -1)
		return 0;
	sync_monster_pos(packet, v1);
	return 1;
}
// 6AA898: using guessed type int syncmonsters;

void __fastcall SyncPlrInv(TSyncHeader *pSync)
{
	int v1;            // edx
	int v2;            // eax
	int v3;            // eax
	short v4;          // dx
	short v5;          // bx
	ItemStruct *pItem; // eax

	if (numitems <= 0) {
		pSync->bItemI = -1;
	} else {
		v1 = syncitems;
		if (syncitems >= numitems)
			v1 = 0;
		v2 = itemactive[v1];
		syncitems = v1 + 1;
		pSync->bItemI = v2;
		v3 = v2;
		pSync->bItemX = item[v3]._ix;
		pSync->bItemY = item[v3]._iy;
		pSync->wItemIndx = item[v3].IDidx;
		if (item[v3].IDidx == IDI_EAR) {
			_LOBYTE(v4) = 0;
			_HIBYTE(v4) = item[v3]._iName[7];
			_LOBYTE(v5) = 0;
			pSync->wItemCI = item[v3]._iName[8] | v4;
			pSync->dwItemSeed = item[v3]._iName[12] | ((item[v3]._iName[11] | ((item[v3]._iName[10] | (item[v3]._iName[9] << 8)) << 8)) << 8);
			pSync->bItemId = item[v3]._iName[13];
			pSync->bItemDur = item[v3]._iName[14];
			pSync->bItemMDur = item[v3]._iName[15];
			pSync->bItemCh = item[v3]._iName[16];
			pSync->bItemMCh = item[v3]._iName[17];
			_HIBYTE(v5) = item[v3]._iName[18];
			pSync->wItemVal = LOWORD(item[v3]._ivalue) | v5 | ((LOWORD(item[v3]._iCurs) - 19) << 6);
			pSync->dwItemBuff = item[v3]._iName[22] | ((item[v3]._iName[21] | ((item[v3]._iName[20] | (item[v3]._iName[19] << 8)) << 8)) << 8);
		} else {
			pSync->wItemCI = item[v3]._iCreateInfo;
			pSync->dwItemSeed = item[v3]._iSeed;
			pSync->bItemId = item[v3]._iIdentified;
			pSync->bItemDur = item[v3]._iDurability;
			pSync->bItemMDur = item[v3]._iMaxDur;
			pSync->bItemCh = item[v3]._iCharges;
			pSync->bItemMCh = item[v3]._iMaxCharges;
			if (!item[v3].IDidx)
				pSync->wItemVal = item[v3]._ivalue;
		}
	}
	pItem = &plr[myplr].InvBody[sgnSyncPInv];
	if (pItem->_itype == -1) {
		pSync->bPInvLoc = -1;
	} else {
		pSync->bPInvLoc = sgnSyncPInv;
		pSync->wPInvIndx = pItem->IDidx;
		pSync->wPInvCI = pItem->_iCreateInfo;
		pSync->dwPInvSeed = pItem->_iSeed;
		pSync->bPInvId = pItem->_iIdentified;
	}
	if (++sgnSyncPInv >= 7)
		sgnSyncPInv = 0;
}
// 6AAA34: using guessed type int sgnSyncPInv;

int __fastcall SyncData(int pnum, TSyncHeader *packet)
{
	TSyncHeader *v2;   // esi
	TSyncMonster *v3;  // edi
	int v4;            // ebp
	unsigned short v5; // ax
	unsigned int v6;   // ebx

	v2 = packet;
	v3 = (TSyncMonster *)(&packet->bPInvId + 1);
	v4 = pnum;
	if (packet->bCmd != CMD_SYNCDATA)
		TermMsg("bad sync command");
	if (gbBufferMsgs != 1 && v4 != myplr) {
		v5 = v2->wLen;
		if (v5 >= 5u) {
			v6 = v5 / 5u;
			do {
				if (currlevel == v2->bLevel)
					sync_monster_data(v4, v3);
				delta_sync_monster((TCmdLocParam1 *)v3, v2->bLevel);
				++v3;
				--v6;
			} while (v6);
		}
	}
	return v2->wLen + 38;
}
// 676194: using guessed type char gbBufferMsgs;

void __fastcall sync_monster_data(int pnum, TSyncMonster *packet)
{
	TSyncMonster *v2; // edi
	int v3;           // ecx
	int v4;           // ebx
	int v5;           // esi
	int v6;           // ST18_4
	unsigned int v7;  // ecx
	unsigned int v8;  // eax
	int v9;           // eax
	int v10;          // ecx
	signed int v11;   // ST14_4
	int v12;          // eax
	int v13;          // eax
	int v14;          // eax
	//int v15; // eax
	int v16; // eax
	int md;  // [esp+Ch] [ebp-8h]
	int mda; // [esp+Ch] [ebp-8h]

	v2 = packet;
	md = pnum;
	v3 = 0;
	v4 = (unsigned char)packet->_mndx;
	v5 = v4;
	if (monster[v5]._mhitpoints) {
		if (nummonsters > 0) {
			do {
				if (monstactive[v3] == v4)
					break;
				++v3;
			} while (v3 < nummonsters);
		}
		v6 = abs(plr[myplr].WorldY - monster[v5]._my);
		v7 = abs(plr[myplr].WorldX - monster[v5]._mx) + v6;
		if (v7 > 0xFF)
			v7 = 255;
		v8 = (unsigned char)v2->_mdelta;
		if (v7 >= v8 && (v7 != v8 || md <= myplr)) {
			v9 = (unsigned char)v2->_mx;
			if (monster[v5]._mfutx != v9 || monster[v5]._mfuty != (unsigned char)v2->_my) {
				v10 = monster[v5]._mmode;
				if (v10 != MM_CHARGE && v10 != MM_STONE) {
					v11 = abs(monster[v5]._mx - v9);
					v12 = abs(monster[v5]._my - (unsigned char)v2->_my);
					if (v11 > 2 || v12 > 2) {
						if (dMonster[(unsigned char)v2->_mx][(unsigned char)v2->_my]) {
						LABEL_23:
							decode_enemy(v4, (unsigned char)v2->_menemy);
							return;
						}
						M_ClearSquares(v4);
						dMonster[(unsigned char)v2->_mx][(unsigned char)v2->_my] = v4 + 1;
						monster[v5]._mx = (unsigned char)v2->_mx;
						monster[v5]._my = (unsigned char)v2->_my;
						decode_enemy(v4, (unsigned char)v2->_menemy);
						v16 = GetDirection(
						    (unsigned char)v2->_mx,
						    (unsigned char)v2->_my,
						    (unsigned char)monster[v5]._menemyx,
						    (unsigned char)monster[v5]._menemyy);
						M_StartStand(v4, v16);
					} else {
						v13 = monster[v5]._mmode;
						if (v13 >= MM_WALK && v13 <= MM_WALK3)
							goto LABEL_23;
						v14 = GetDirection(
						    monster[v5]._mx,
						    monster[v5]._my,
						    (unsigned char)v2->_mx,
						    (unsigned char)v2->_my);
						mda = v14;
						//_LOBYTE(v15) = DirOK(v4, v14);
						if (!DirOK(v4, v14))
							goto LABEL_23;
						M_ClearSquares(v4);
						dMonster[monster[v5]._mx][monster[v5]._my] = v4 + 1;
						M_WalkDir(v4, mda);
					}
					monster[v5]._msquelch = -1;
					goto LABEL_23;
				}
			}
		}
	}
}

void __cdecl sync_clear_pkt()
{
	syncmonsters = 16 * myplr;
	memset(sync_word_6AA89C, 255, 0x190u);
}
// 6AA898: using guessed type int syncmonsters;

DEVILUTION_END_NAMESPACE