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vcmi/server/NetPacksServer.cpp
2024-08-04 15:44:57 +02:00

444 lines
13 KiB
C++

/*
* NetPacksServer.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "ServerNetPackVisitors.h"
#include "CGameHandler.h"
#include "battles/BattleProcessor.h"
#include "processors/HeroPoolProcessor.h"
#include "processors/PlayerMessageProcessor.h"
#include "processors/TurnOrderProcessor.h"
#include "queries/QueriesProcessor.h"
#include "queries/MapQueries.h"
#include "../lib/IGameCallback.h"
#include "../lib/mapObjects/CGTownInstance.h"
#include "../lib/mapObjects/CGHeroInstance.h"
#include "../lib/gameState/CGameState.h"
#include "../lib/battle/IBattleState.h"
#include "../lib/battle/BattleAction.h"
#include "../lib/battle/Unit.h"
#include "../lib/spells/CSpellHandler.h"
#include "../lib/spells/ISpellMechanics.h"
#include "../lib/serializer/Cast.h"
void ApplyGhNetPackVisitor::visitSaveGame(SaveGame & pack)
{
gh.save(pack.fname);
logGlobal->info("Game has been saved as %s", pack.fname);
result = true;
}
void ApplyGhNetPackVisitor::visitGamePause(GamePause & pack)
{
auto turnQuery = std::make_shared<TimerPauseQuery>(&gh, pack.player);
turnQuery->queryID = QueryID::CLIENT;
gh.queries->addQuery(turnQuery);
result = true;
}
void ApplyGhNetPackVisitor::visitEndTurn(EndTurn & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
result = gh.turnOrder->onPlayerEndsTurn(pack.player);
}
void ApplyGhNetPackVisitor::visitDismissHero(DismissHero & pack)
{
gh.throwIfWrongOwner(&pack, pack.hid);
gh.throwIfPlayerNotActive(&pack);
result = gh.removeObject(gh.getObj(pack.hid), pack.player);
}
void ApplyGhNetPackVisitor::visitMoveHero(MoveHero & pack)
{
gh.throwIfWrongOwner(&pack, pack.hid);
gh.throwIfPlayerNotActive(&pack);
for (auto const & dest : pack.path)
{
if (!gh.moveHero(pack.hid, dest, EMovementMode::STANDARD, pack.transit, pack.player))
{
result = false;
return;
}
}
result = true;
}
void ApplyGhNetPackVisitor::visitCastleTeleportHero(CastleTeleportHero & pack)
{
gh.throwIfWrongOwner(&pack, pack.hid);
gh.throwIfPlayerNotActive(&pack);
result = gh.teleportHero(pack.hid, pack.dest, pack.source, pack.player);
}
void ApplyGhNetPackVisitor::visitArrangeStacks(ArrangeStacks & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
result = gh.arrangeStacks(pack.id1, pack.id2, pack.what, pack.p1, pack.p2, pack.val, pack.player);
}
void ApplyGhNetPackVisitor::visitBulkMoveArmy(BulkMoveArmy & pack)
{
gh.throwIfWrongOwner(&pack, pack.srcArmy);
gh.throwIfPlayerNotActive(&pack);
result = gh.bulkMoveArmy(pack.srcArmy, pack.destArmy, pack.srcSlot);
}
void ApplyGhNetPackVisitor::visitBulkSplitStack(BulkSplitStack & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
result = gh.bulkSplitStack(pack.src, pack.srcOwner, pack.amount);
}
void ApplyGhNetPackVisitor::visitBulkMergeStacks(BulkMergeStacks & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
result = gh.bulkMergeStacks(pack.src, pack.srcOwner);
}
void ApplyGhNetPackVisitor::visitBulkSmartSplitStack(BulkSmartSplitStack & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
result = gh.bulkSmartSplitStack(pack.src, pack.srcOwner);
}
void ApplyGhNetPackVisitor::visitDisbandCreature(DisbandCreature & pack)
{
gh.throwIfWrongOwner(&pack, pack.id);
gh.throwIfPlayerNotActive(&pack);
result = gh.disbandCreature(pack.id, pack.pos);
}
void ApplyGhNetPackVisitor::visitBuildStructure(BuildStructure & pack)
{
gh.throwIfWrongOwner(&pack, pack.tid);
gh.throwIfPlayerNotActive(&pack);
result = gh.buildStructure(pack.tid, pack.bid);
}
void ApplyGhNetPackVisitor::visitTriggerTownSpecialBuildingAction(TriggerTownSpecialBuildingAction & pack)
{
gh.throwIfWrongOwner(&pack, pack.tid);
gh.throwIfPlayerNotActive(&pack);
result = gh.triggerTownSpecialBuildingAction(pack.tid, pack.sid);
}
void ApplyGhNetPackVisitor::visitRecruitCreatures(RecruitCreatures & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
// ownership checks are inside recruitCreatures
result = gh.recruitCreatures(pack.tid, pack.dst, pack.crid, pack.amount, pack.level, pack.player);
}
void ApplyGhNetPackVisitor::visitUpgradeCreature(UpgradeCreature & pack)
{
gh.throwIfWrongOwner(&pack, pack.id);
gh.throwIfPlayerNotActive(&pack);
result = gh.upgradeCreature(pack.id, pack.pos, pack.cid);
}
void ApplyGhNetPackVisitor::visitGarrisonHeroSwap(GarrisonHeroSwap & pack)
{
const CGTownInstance * town = gh.getTown(pack.tid);
if(!gh.isPlayerOwns(&pack, pack.tid) && !(town->garrisonHero && gh.isPlayerOwns(&pack, town->garrisonHero->id)))
gh.throwNotAllowedAction(&pack); //neither town nor garrisoned hero (if present) is ours
gh.throwIfPlayerNotActive(&pack);
result = gh.garrisonSwap(pack.tid);
}
void ApplyGhNetPackVisitor::visitExchangeArtifacts(ExchangeArtifacts & pack)
{
if(gh.getHero(pack.src.artHolder))
gh.throwIfWrongPlayer(&pack, gh.getOwner(pack.src.artHolder)); //second hero can be ally
gh.throwIfPlayerNotActive(&pack);
result = gh.moveArtifact(pack.player, pack.src, pack.dst);
}
void ApplyGhNetPackVisitor::visitBulkExchangeArtifacts(BulkExchangeArtifacts & pack)
{
if(dynamic_cast<const IMarket*>(gh.getObj(pack.srcHero)) == nullptr)
gh.throwIfWrongOwner(&pack, pack.srcHero);
if(pack.swap)
gh.throwIfWrongOwner(&pack, pack.dstHero);
gh.throwIfPlayerNotActive(&pack);
result = gh.bulkMoveArtifacts(pack.player, pack.srcHero, pack.dstHero, pack.swap, pack.equipped, pack.backpack);
}
void ApplyGhNetPackVisitor::visitManageBackpackArtifacts(ManageBackpackArtifacts & pack)
{
gh.throwIfPlayerNotActive(&pack);
if(gh.getPlayerRelations(pack.player, gh.getOwner(pack.artHolder)) != PlayerRelations::ENEMIES)
{
if(pack.cmd == ManageBackpackArtifacts::ManageCmd::SCROLL_LEFT)
result = gh.scrollBackpackArtifacts(pack.player, pack.artHolder, true);
else if(pack.cmd == ManageBackpackArtifacts::ManageCmd::SCROLL_RIGHT)
result = gh.scrollBackpackArtifacts(pack.player, pack.artHolder, false);
else
{
gh.throwIfWrongOwner(&pack, pack.artHolder);
if(pack.cmd == ManageBackpackArtifacts::ManageCmd::SORT_BY_CLASS)
result = true;
else if(pack.cmd == ManageBackpackArtifacts::ManageCmd::SORT_BY_COST)
result = true;
else if(pack.cmd == ManageBackpackArtifacts::ManageCmd::SORT_BY_SLOT)
result = true;
}
}
}
void ApplyGhNetPackVisitor::visitManageEquippedArtifacts(ManageEquippedArtifacts & pack)
{
gh.throwIfWrongOwner(&pack, pack.artHolder);
if(pack.saveCostume)
result = gh.saveArtifactsCostume(pack.player, pack.artHolder, pack.costumeIdx);
else
result = gh.switchArtifactsCostume(pack.player, pack.artHolder, pack.costumeIdx);
}
void ApplyGhNetPackVisitor::visitAssembleArtifacts(AssembleArtifacts & pack)
{
gh.throwIfWrongOwner(&pack, pack.heroID);
// gh.throwIfPlayerNotActive(&pack); // Might happen when player captures artifacts in battle?
result = gh.assembleArtifacts(pack.heroID, pack.artifactSlot, pack.assemble, pack.assembleTo);
}
void ApplyGhNetPackVisitor::visitEraseArtifactByClient(EraseArtifactByClient & pack)
{
gh.throwIfWrongPlayer(&pack, gh.getOwner(pack.al.artHolder));
gh.throwIfPlayerNotActive(&pack);
result = gh.eraseArtifactByClient(pack.al);
}
void ApplyGhNetPackVisitor::visitBuyArtifact(BuyArtifact & pack)
{
gh.throwIfWrongOwner(&pack, pack.hid);
gh.throwIfPlayerNotActive(&pack);
result = gh.buyArtifact(pack.hid, pack.aid);
}
void ApplyGhNetPackVisitor::visitTradeOnMarketplace(TradeOnMarketplace & pack)
{
const CGObjectInstance * object = gh.getObj(pack.marketId);
const CGHeroInstance * hero = gh.getHero(pack.heroId);
const auto * market = dynamic_cast<const IMarket*>(object);
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
if(!object)
gh.throwAndComplain(&pack, "Invalid market object");
if(!market)
gh.throwAndComplain(&pack, "market is not-a-market! :/");
bool heroCanBeInvalid = false;
if (pack.mode == EMarketMode::RESOURCE_RESOURCE || pack.mode == EMarketMode::RESOURCE_PLAYER)
{
// For resource exchange we must use our own market or visit neutral market
if (object->getOwner().isValidPlayer())
{
gh.throwIfWrongOwner(&pack, pack.marketId);
heroCanBeInvalid = true;
}
}
if (pack.mode == EMarketMode::CREATURE_UNDEAD)
{
// For skeleton transformer, if hero is null then object must be owned
if (!hero)
{
gh.throwIfWrongOwner(&pack, pack.marketId);
heroCanBeInvalid = true;
}
}
if (!heroCanBeInvalid)
{
gh.throwIfWrongOwner(&pack, pack.heroId);
if (!hero)
gh.throwAndComplain(&pack, "Can not trade - no hero!");
// TODO: check that object is actually being visited (e.g. Query exists)
if (!object->visitableAt(hero->visitablePos().x, hero->visitablePos().y))
gh.throwAndComplain(&pack, "Can not trade - object not visited!");
if (object->getOwner().isValidPlayer() && gh.getPlayerRelations(object->getOwner(), hero->getOwner()) == PlayerRelations::ENEMIES)
gh.throwAndComplain(&pack, "Can not trade - market not owned!");
}
result = true;
switch(pack.mode)
{
case EMarketMode::RESOURCE_RESOURCE:
for(int i = 0; i < pack.r1.size(); ++i)
result &= gh.tradeResources(market, pack.val[i], pack.player, pack.r1[i].as<GameResID>(), pack.r2[i].as<GameResID>());
break;
case EMarketMode::RESOURCE_PLAYER:
for(int i = 0; i < pack.r1.size(); ++i)
result &= gh.sendResources(pack.val[i], pack.player, pack.r1[i].as<GameResID>(), pack.r2[i].as<PlayerColor>());
break;
case EMarketMode::CREATURE_RESOURCE:
for(int i = 0; i < pack.r1.size(); ++i)
result &= gh.sellCreatures(pack.val[i], market, hero, pack.r1[i].as<SlotID>(), pack.r2[i].as<GameResID>());
break;
case EMarketMode::RESOURCE_ARTIFACT:
for(int i = 0; i < pack.r1.size(); ++i)
result &= gh.buyArtifact(market, hero, pack.r1[i].as<GameResID>(), pack.r2[i].as<ArtifactID>());
break;
case EMarketMode::ARTIFACT_RESOURCE:
for(int i = 0; i < pack.r1.size(); ++i)
result &= gh.sellArtifact(market, hero, pack.r1[i].as<ArtifactInstanceID>(), pack.r2[i].as<GameResID>());
break;
case EMarketMode::CREATURE_UNDEAD:
for(int i = 0; i < pack.r1.size(); ++i)
result &= gh.transformInUndead(market, hero, pack.r1[i].as<SlotID>());
break;
case EMarketMode::RESOURCE_SKILL:
for(int i = 0; i < pack.r2.size(); ++i)
result &= gh.buySecSkill(market, hero, pack.r2[i].as<SecondarySkill>());
break;
case EMarketMode::CREATURE_EXP:
{
std::vector<SlotID> slotIDs;
std::vector<ui32> count(pack.val.begin(), pack.val.end());
for(auto const & slot : pack.r1)
slotIDs.push_back(slot.as<SlotID>());
result = gh.sacrificeCreatures(market, hero, slotIDs, count);
return;
}
case EMarketMode::ARTIFACT_EXP:
{
std::vector<ArtifactInstanceID> positions;
for(auto const & artInstId : pack.r1)
positions.push_back(artInstId.as<ArtifactInstanceID>());
result = gh.sacrificeArtifact(market, hero, positions);
return;
}
default:
gh.throwAndComplain(&pack, "Unknown exchange pack.mode!");
}
}
void ApplyGhNetPackVisitor::visitSetFormation(SetFormation & pack)
{
gh.throwIfWrongOwner(&pack, pack.hid);
gh.throwIfPlayerNotActive(&pack);
result = gh.setFormation(pack.hid, pack.formation);
}
void ApplyGhNetPackVisitor::visitHireHero(HireHero & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
result = gh.heroPool->hireHero(pack.tid, pack.hid, pack.player, pack.nhid);
}
void ApplyGhNetPackVisitor::visitBuildBoat(BuildBoat & pack)
{
gh.throwIfWrongPlayer(&pack);
gh.throwIfPlayerNotActive(&pack);
if(gh.getPlayerRelations(gh.getOwner(pack.objid), pack.player) == PlayerRelations::ENEMIES)
gh.throwAndComplain(&pack, "Can't build boat at enemy shipyard");
result = gh.buildBoat(pack.objid, pack.player);
}
void ApplyGhNetPackVisitor::visitQueryReply(QueryReply & pack)
{
gh.throwIfWrongPlayer(&pack);
auto playerToConnection = gh.connections.find(pack.player);
if(playerToConnection == gh.connections.end())
gh.throwAndComplain(&pack, "No such pack.player!");
if(!vstd::contains(playerToConnection->second, pack.c))
gh.throwAndComplain(&pack, "Message came from wrong connection!");
if(pack.qid == QueryID(-1))
gh.throwAndComplain(&pack, "Cannot answer the query with pack.id -1!");
result = gh.queryReply(pack.qid, pack.reply, pack.player);
}
void ApplyGhNetPackVisitor::visitMakeAction(MakeAction & pack)
{
gh.throwIfWrongPlayer(&pack);
// allowed even if it is not our turn - will be filtered by battle sides
result = gh.battles->makePlayerBattleAction(pack.battleID, pack.player, pack.ba);
}
void ApplyGhNetPackVisitor::visitDigWithHero(DigWithHero & pack)
{
gh.throwIfWrongOwner(&pack, pack.id);
gh.throwIfPlayerNotActive(&pack);
result = gh.dig(gh.getHero(pack.id));
}
void ApplyGhNetPackVisitor::visitCastAdvSpell(CastAdvSpell & pack)
{
gh.throwIfWrongOwner(&pack, pack.hid);
gh.throwIfPlayerNotActive(&pack);
if (!pack.sid.hasValue())
gh.throwNotAllowedAction(&pack);
const CGHeroInstance * h = gh.getHero(pack.hid);
if(!h)
gh.throwNotAllowedAction(&pack);
AdventureSpellCastParameters p;
p.caster = h;
p.pos = pack.pos;
const CSpell * s = pack.sid.toSpell();
result = s->adventureCast(gh.spellEnv, p);
}
void ApplyGhNetPackVisitor::visitPlayerMessage(PlayerMessage & pack)
{
if(!pack.player.isSpectator()) // TODO: clearly not a great way to verify permissions
gh.throwIfWrongPlayer(&pack, pack.player);
gh.playerMessages->playerMessage(pack.player, pack.text, pack.currObj);
result = true;
}