// recvGiftDroid()
// We received a droid gift from another player.
// NOTICE: the packet is already set-up for decoding via recvGift()
//
// \param from :player that sent us the droid
// \param to :player that should be getting the droid
static void recvGiftDroids(uint8_t from, uint8_t to, uint32_t droidID)
{
DROID *psDroid = IdToDroid(droidID, from);
if (psDroid)
{
syncDebugDroid(psDroid, '<');
giftSingleDroid(psDroid, to);
syncDebugDroid(psDroid, '>');
if (to == selectedPlayer)
{
CONPRINTF(ConsoleString, (ConsoleString, _("%s Gives you a %s"), getPlayerName(from), psDroid->aName));
}
}
else
{
debug(LOG_ERROR, "Bad droid id %u, from %u to %u", droidID, from, to);
}
}
// ////////////////////////////////////////////////////////////////////////////
// receive droid information form other players.
BOOL recvDroidInfo(NETQUEUE queue)
{
NETbeginDecode(queue, GAME_DROIDINFO);
{
QueuedDroidInfo info;
memset(&info, 0x00, sizeof(info));
NETQueuedDroidInfo(&info);
STRUCTURE_STATS *psStats = NULL;
if (info.order == DORDER_BUILD || info.order == DORDER_LINEBUILD)
{
// Find structure target
for (unsigned typeIndex = 0; typeIndex < numStructureStats; typeIndex++)
{
if (asStructureStats[typeIndex].ref == info.structRef)
{
psStats = asStructureStats + typeIndex;
break;
}
}
}
if (info.subType)
{
syncDebug("Order=%s,%d(%d)", getDroidOrderName(info.order), info.destId, info.destType);
}
else
{
syncDebug("Order=%s,(%d,%d)", getDroidOrderName(info.order), info.x, info.y);
}
DROID_ORDER_DATA sOrder;
memset(&sOrder, 0x00, sizeof(sOrder));
sOrder.order = info.order;
sOrder.x = info.x;
sOrder.y = info.y;
sOrder.x2 = info.x2;
sOrder.y2 = info.y2;
sOrder.direction = info.direction;
sOrder.psObj = processDroidTarget(info.destType, info.destId);
sOrder.psStats = (BASE_STATS *)psStats;
uint32_t num = 0;
NETuint32_t(&num);
for (unsigned n = 0; n < num; ++n)
{
// Get the next droid ID which is being given this order.
uint32_t deltaDroidId = 0;
NETuint32_t(&deltaDroidId);
info.droidId += deltaDroidId;
DROID *psDroid = NULL;
if (!IdToDroid(info.droidId, ANYPLAYER, &psDroid))
{
debug(LOG_NEVER, "Packet from %d refers to non-existent droid %u, [%s : p%d]",
queue.index, info.droidId, isHumanPlayer(info.player) ? "Human" : "AI", info.player);
syncDebug("Droid %d missing", info.droidId);
continue; // Can't find the droid, so skip this droid.
}
CHECK_DROID(psDroid);
syncDebugDroid(psDroid, '<');
psDroid->waitingForOwnReceiveDroidInfoMessage = false;
/*
* If the current order not is a command order and we are not a
* commander yet are in the commander group remove us from it.
*/
if (hasCommander(psDroid))
{
grpLeave(psDroid->psGroup, psDroid);
}
if (sOrder.psObj != TargetMissing) // Only do order if the target didn't die.
{
orderDroidBase(psDroid, &sOrder);
}
syncDebugDroid(psDroid, '>');
CHECK_DROID(psDroid);
}
}
NETend();
return true;
}
// ////////////////////////////////////////////////////////////////////////////
// receive droid information form other players.
bool recvDroidInfo(NETQUEUE queue)
{
NETbeginDecode(queue, GAME_DROIDINFO);
{
QueuedDroidInfo info;
memset(&info, 0x00, sizeof(info));
NETQueuedDroidInfo(&info);
STRUCTURE_STATS *psStats = NULL;
if (info.subType == LocOrder && (info.order == DORDER_BUILD || info.order == DORDER_LINEBUILD))
{
// Find structure target
for (unsigned typeIndex = 0; typeIndex < numStructureStats; typeIndex++)
{
if (asStructureStats[typeIndex].ref == info.structRef)
{
psStats = asStructureStats + typeIndex;
break;
}
}
}
switch (info.subType)
{
case ObjOrder: syncDebug("Order=%s,%d(%d)", getDroidOrderName(info.order), info.destId, info.destType); break;
case LocOrder: syncDebug("Order=%s,(%d,%d)", getDroidOrderName(info.order), info.pos.x, info.pos.y); break;
case SecondaryOrder: syncDebug("SecondaryOrder=%d,%08X", (int)info.secOrder, (int)info.secState); break;
}
DROID_ORDER_DATA sOrder = infoToOrderData(info, psStats);
uint32_t num = 0;
NETuint32_t(&num);
for (unsigned n = 0; n < num; ++n)
{
// Get the next droid ID which is being given this order.
uint32_t deltaDroidId = 0;
NETuint32_t(&deltaDroidId);
info.droidId += deltaDroidId;
DROID *psDroid = IdToDroid(info.droidId, info.player);
if (!psDroid)
{
debug(LOG_NEVER, "Packet from %d refers to non-existent droid %u, [%s : p%d]",
queue.index, info.droidId, isHumanPlayer(info.player) ? "Human" : "AI", info.player);
syncDebug("Droid %d missing", info.droidId);
continue; // Can't find the droid, so skip this droid.
}
CHECK_DROID(psDroid);
syncDebugDroid(psDroid, '<');
switch (info.subType)
{
case ObjOrder:
case LocOrder:
/*
* If the current order not is a command order and we are not a
* commander yet are in the commander group remove us from it.
*/
if (hasCommander(psDroid))
{
psDroid->psGroup->remove(psDroid);
}
if (sOrder.psObj != TargetMissing) // Only do order if the target didn't die.
{
if (!info.add)
{
orderDroidListEraseRange(psDroid, 0, psDroid->listSize + 1); // Clear all non-pending orders, plus the first pending order (which is probably the order we just received).
orderDroidBase(psDroid, &sOrder); // Execute the order immediately (even if in the middle of another order.
}
else
{
orderDroidAdd(psDroid, &sOrder); // Add the order to the (non-pending) list. Will probably overwrite the corresponding pending order, assuming all pending orders were written to the list.
}
}
break;
case SecondaryOrder:
// Set the droids secondary order
turnOffMultiMsg(true);
secondarySetState(psDroid, info.secOrder, info.secState);
turnOffMultiMsg(false);
break;
}
syncDebugDroid(psDroid, '>');
CHECK_DROID(psDroid);
}
}
NETend();
return true;
}
// ////////////////////////////////////////////////////////////////////////////
// receive droid creation information from other players
bool recvDroid(NETQUEUE queue)
{
DROID_TEMPLATE* pT;
DROID* psDroid;
uint8_t player;
uint32_t id;
Position pos;
uint32_t templateID;
bool haveInitialOrders;
INITIAL_DROID_ORDERS initialOrders;
NETbeginDecode(queue, GAME_DEBUG_ADD_DROID);
{
NETuint8_t(&player);
NETuint32_t(&id);
NETPosition(&pos);
NETuint32_t(&templateID);
NETbool(&haveInitialOrders);
if (haveInitialOrders)
{
NETuint32_t(&initialOrders.secondaryOrder);
NETint32_t(&initialOrders.moveToX);
NETint32_t(&initialOrders.moveToY);
NETuint32_t(&initialOrders.factoryId); // For making scripts happy.
}
pT = IdToTemplate(templateID, player);
}
NETend();
if (!getDebugMappingStatus())
{
debug(LOG_WARNING, "Failed to add droid for player %u.", NetPlay.players[queue.index].position);
return false;
}
ASSERT_OR_RETURN(false, player < MAX_PLAYERS, "invalid player %u", player);
debug(LOG_LIFE, "<=== getting Droid from %u id of %u ",player,id);
if ((pos.x == 0 && pos.y == 0) || pos.x > world_coord(mapWidth) || pos.y > world_coord(mapHeight))
{
debug(LOG_ERROR, "Received bad droid position (%d, %d) from %d about p%d (%s)", (int)pos.x, (int)pos.y,
queue.index, player, isHumanPlayer(player) ? "Human" : "AI");
return false;
}
// If we can not find the template ask for the entire droid instead
if (!pT)
{
debug(LOG_ERROR, "Packet from %d refers to non-existent template %u, [%s : p%d]",
queue.index, templateID, isHumanPlayer(player) ? "Human" : "AI", player);
return false;
}
// Create that droid on this machine.
psDroid = reallyBuildDroid(pT, pos, player, false);
// If we were able to build the droid set it up
if (psDroid)
{
psDroid->id = id;
addDroid(psDroid, apsDroidLists);
if (haveInitialOrders)
{
psDroid->secondaryOrder = initialOrders.secondaryOrder;
psDroid->secondaryOrderPending = psDroid->secondaryOrder;
orderDroidLoc(psDroid, DORDER_MOVE, initialOrders.moveToX, initialOrders.moveToY, ModeImmediate);
cbNewDroid(IdToStruct(initialOrders.factoryId, ANYPLAYER), psDroid);
}
syncDebugDroid(psDroid, '+');
}
else
{
debug(LOG_ERROR, "Packet from %d cannot create droid for p%d (%s)!", queue.index,
player, isHumanPlayer(player) ? "Human" : "AI");
#ifdef DEBUG
CONPRINTF(ConsoleString, (ConsoleString, "MULTIPLAYER: Couldn't build a remote droid, relying on checking to resync"));
#endif
return false;
}
return true;
}
// ////////////////////////////////////////////////////////////////////////////
// receive a check and update the local world state accordingly
BOOL recvDroidCheck(NETQUEUE queue)
{
uint8_t count;
int i;
uint32_t synchTime;
NETbeginDecode(queue, GAME_CHECK_DROID);
// Get the number of droids to expect
NETuint8_t(&count);
NETuint32_t(&synchTime); // Get game time.
for (i = 0; i < count; i++)
{
DROID * pD;
PACKAGED_CHECK pc, pc2;
Position precPos;
NETPACKAGED_CHECK(&pc);
// Find the droid in question
if (!IdToDroid(pc.droidID, pc.player, &pD))
{
NETlogEntry("Recvd Unknown droid info. val=player", SYNC_FLAG, pc.player);
debug(LOG_SYNC, "Received checking info for an unknown (as yet) droid. player:%d ref:%d", pc.player, pc.droidID);
continue;
}
syncDebugDroid(pD, '<');
if (pD->gameCheckDroid == NULL)
{
debug(LOG_SYNC, "We got a droid %u synch, but we couldn't find the droid!", pc.droidID);
continue; // Can't synch, since we didn't save data to be able to calculate a delta.
}
pc2 = *(PACKAGED_CHECK *)pD->gameCheckDroid; // pc2 should be declared here, as const.
if (pc2.gameTime != synchTime + MIN_DELAY_BETWEEN_DROID_SYNCHS)
{
debug(LOG_SYNC, "We got a droid %u synch, but we didn't choose the same droid to synch.", pc.droidID);
((PACKAGED_CHECK *)pD->gameCheckDroid)->gameTime = synchTime + MIN_DELAY_BETWEEN_DROID_SYNCHS; // Get droid synch time back in synch.
continue; // Can't synch, since we didn't save data to be able to calculate a delta.
}
#define MERGECOPY(x, y, z) if (pc.y != pc2.y) { debug(LOG_SYNC, "Droid %u out of synch, changing "#x" from %"z" to %"z".", pc.droidID, x, pc.y); x = pc.y; }
#define MERGEDELTA(x, y, z) if (pc.y != pc2.y) { debug(LOG_SYNC, "Droid %u out of synch, changing "#x" from %"z" to %"z".", pc.droidID, x, x + pc.y - pc2.y); x += pc.y - pc2.y; }
// player not synched here...
precPos = droidGetPrecisePosition(pD);
MERGEDELTA(precPos.x, pos.x, "d");
MERGEDELTA(precPos.y, pos.y, "d");
MERGEDELTA(precPos.z, pos.z, "d");
droidSetPrecisePosition(pD, precPos);
MERGEDELTA(pD->rot.direction, rot.direction, "d");
MERGEDELTA(pD->rot.pitch, rot.pitch, "d");
MERGEDELTA(pD->rot.roll, rot.roll, "d");
MERGEDELTA(pD->body, body, "u");
if (pD->body > pD->originalBody)
{
pD->body = pD->originalBody;
debug(LOG_SYNC, "Droid %u body was too high after synch, reducing to %u.", pc.droidID, pD->body);
}
MERGEDELTA(pD->experience, experience, "u");
if (pc.pos.x != pc2.pos.x || pc.pos.y != pc2.pos.y)
{
// snap droid(if on ground) to terrain level at x,y.
if ((asPropulsionStats + pD->asBits[COMP_PROPULSION].nStat)->propulsionType != PROPULSION_TYPE_LIFT) // if not airborne.
{
pD->pos.z = map_Height(pD->pos.x, pD->pos.y);
}
}
// Doesn't cover all cases, but at least doesn't actively break stuff randomly.
switch (pc.order)
{
case DORDER_MOVE:
if (pc.order != pc2.order || pc.orderX != pc2.orderX || pc.orderY != pc2.orderY)
{
debug(LOG_SYNC, "Droid %u out of synch, changing order from %s to %s(%d, %d).", pc.droidID, getDroidOrderName(pc2.order), getDroidOrderName(pc.order), pc.orderX, pc.orderY);
// reroute the droid.
orderDroidLoc(pD, pc.order, pc.orderX, pc.orderY, ModeImmediate);
}
break;
case DORDER_ATTACK:
if (pc.order != pc2.order || pc.targetID != pc2.targetID)
{
BASE_OBJECT *obj = IdToPointer(pc.targetID, ANYPLAYER);
if (obj != NULL)
{
debug(LOG_SYNC, "Droid %u out of synch, changing order from %s to %s(%u).", pc.droidID, getDroidOrderName(pc2.order), getDroidOrderName(pc.order), pc.targetID);
// remote droid is attacking, not here tho!
orderDroidObj(pD, pc.order, IdToPointer(pc.targetID, ANYPLAYER), ModeImmediate);
}
else
{
debug(LOG_SYNC, "Droid %u out of synch, would change order from %s to %s(%u), but can't find target.", pc.droidID, getDroidOrderName(pc2.order), getDroidOrderName(pc.order), pc.targetID);
}
}
break;
case DORDER_NONE:
case DORDER_GUARD:
if (pc.order != pc2.order)
{
DROID_ORDER_DATA sOrder;
memset(&sOrder, 0, sizeof(DROID_ORDER_DATA));
sOrder.order = pc.order;
debug(LOG_SYNC, "Droid %u out of synch, changing order from %s to %s.", pc.droidID, getDroidOrderName(pc2.order), getDroidOrderName(pc.order));
turnOffMultiMsg(true);
moveStopDroid(pD);
orderDroidBase(pD, &sOrder);
turnOffMultiMsg(false);
}
break;
default:
break; // Don't know what to do, but at least won't be actively breaking anything.
}
MERGECOPY(pD->secondaryOrder, secondaryOrder, "u"); // The old code set this after changing orders, so doing that in case.
#undef MERGECOPY
#undef MERGEDELTA
syncDebugDroid(pD, '>');
// ...and repeat!
}
NETend();
return true;
}
// ////////////////////////////////////////////////////////////////////////////
// receive droid creation information from other players
bool recvDroid(NETQUEUE queue)
{
DROID_TEMPLATE t, *pT = &t;
DROID *psDroid;
uint8_t player;
uint32_t id;
Position pos;
bool haveInitialOrders;
INITIAL_DROID_ORDERS initialOrders;
NETbeginDecode(queue, GAME_DEBUG_ADD_DROID);
{
int32_t droidType;
NETuint8_t(&player);
NETuint32_t(&id);
NETPosition(&pos);
NETqstring(pT->name);
pT->id = pT->name;
NETint32_t(&droidType);
NETuint8_t(&pT->asParts[COMP_BODY]);
NETuint8_t(&pT->asParts[COMP_BRAIN]);
NETuint8_t(&pT->asParts[COMP_PROPULSION]);
NETuint8_t(&pT->asParts[COMP_REPAIRUNIT]);
NETuint8_t(&pT->asParts[COMP_ECM]);
NETuint8_t(&pT->asParts[COMP_SENSOR]);
NETuint8_t(&pT->asParts[COMP_CONSTRUCT]);
NETint8_t(&pT->numWeaps);
for (int i = 0; i < pT->numWeaps; i++)
{
NETuint8_t(&pT->asWeaps[i]);
}
NETbool(&haveInitialOrders);
if (haveInitialOrders)
{
NETuint32_t(&initialOrders.secondaryOrder);
NETint32_t(&initialOrders.moveToX);
NETint32_t(&initialOrders.moveToY);
NETuint32_t(&initialOrders.factoryId); // For making scripts happy.
}
pT->droidType = (DROID_TYPE)droidType;
}
NETend();
if (!getDebugMappingStatus() && bMultiPlayer)
{
debug(LOG_WARNING, "Failed to add droid for player %u.", NetPlay.players[queue.index].position);
return false;
}
ASSERT_OR_RETURN(false, player < MAX_PLAYERS, "invalid player %u", player);
debug(LOG_LIFE, "<=== getting Droid from %u id of %u ", player, id);
if ((pos.x == 0 && pos.y == 0) || pos.x > world_coord(mapWidth) || pos.y > world_coord(mapHeight))
{
debug(LOG_ERROR, "Received bad droid position (%d, %d) from %d about p%d (%s)", (int)pos.x, (int)pos.y,
queue.index, player, isHumanPlayer(player) ? "Human" : "AI");
return false;
}
// Create that droid on this machine.
psDroid = reallyBuildDroid(pT, pos, player, false);
// If we were able to build the droid set it up
if (psDroid)
{
psDroid->id = id;
addDroid(psDroid, apsDroidLists);
if (haveInitialOrders)
{
psDroid->secondaryOrder = initialOrders.secondaryOrder;
psDroid->secondaryOrderPending = psDroid->secondaryOrder;
orderDroidLoc(psDroid, DORDER_MOVE, initialOrders.moveToX, initialOrders.moveToY, ModeImmediate);
cbNewDroid(IdToStruct(initialOrders.factoryId, ANYPLAYER), psDroid);
}
syncDebugDroid(psDroid, '+');
}
else
{
debug(LOG_ERROR, "Packet from %d cannot create droid for p%d (%s)!", queue.index,
player, isHumanPlayer(player) ? "Human" : "AI");
#ifdef DEBUG
CONPRINTF(ConsoleString, (ConsoleString, "MULTIPLAYER: Couldn't build a remote droid, relying on checking to resync"));
#endif
return false;
}
return true;
}