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352 lines
11 KiB
C++
352 lines
11 KiB
C++
/*
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* NetPacksServer.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "ServerNetPackVisitors.h"
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#include "CGameHandler.h"
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#include "../lib/IGameCallback.h"
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#include "../lib/mapping/CMap.h"
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#include "../lib/CGameState.h"
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#include "../lib/battle/BattleInfo.h"
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#include "../lib/battle/BattleAction.h"
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#include "../lib/battle/Unit.h"
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#include "../lib/serializer/Connection.h"
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#include "../lib/spells/CSpellHandler.h"
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#include "../lib/spells/ISpellMechanics.h"
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#include "../lib/serializer/Cast.h"
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void ApplyGhNetPackVisitor::visitSaveGame(SaveGame & pack)
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{
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gh.save(pack.fname);
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logGlobal->info("Game has been saved as %s", pack.fname);
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result = true;
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}
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void ApplyGhNetPackVisitor::visitEndTurn(EndTurn & pack)
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{
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PlayerColor currentPlayer = gs.currentPlayer;
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if(pack.player != currentPlayer)
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{
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if(gh.getPlayerStatus(pack.player) == EPlayerStatus::INGAME)
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gh.throwAndComplain(&pack, "pack.player attempted to end turn for another pack.player!");
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logGlobal->debug("pack.player attempted to end turn after game over. Ignoring this request.");
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result = true;
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return;
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}
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gh.throwOnWrongPlayer(&pack, pack.player);
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if(gh.queries.topQuery(pack.player))
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gh.throwAndComplain(&pack, "Cannot end turn before resolving queries!");
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gh.states.setFlag(gs.currentPlayer, &PlayerStatus::makingTurn, false);
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result = true;
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}
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void ApplyGhNetPackVisitor::visitDismissHero(DismissHero & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.hid);
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result = gh.removeObject(gh.getObj(pack.hid));
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}
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void ApplyGhNetPackVisitor::visitMoveHero(MoveHero & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.hid);
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result = gh.moveHero(pack.hid, pack.dest, 0, pack.transit, gh.getPlayerAt(pack.c));
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}
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void ApplyGhNetPackVisitor::visitCastleTeleportHero(CastleTeleportHero & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.hid);
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result = gh.teleportHero(pack.hid, pack.dest, pack.source, gh.getPlayerAt(pack.c));
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}
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void ApplyGhNetPackVisitor::visitArrangeStacks(ArrangeStacks & pack)
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{
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//checks for owning in the gh func
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result = gh.arrangeStacks(pack.id1, pack.id2, pack.what, pack.p1, pack.p2, pack.val, gh.getPlayerAt(pack.c));
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}
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void ApplyGhNetPackVisitor::visitBulkMoveArmy(BulkMoveArmy & pack)
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{
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result = gh.bulkMoveArmy(pack.srcArmy, pack.destArmy, pack.srcSlot);
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}
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void ApplyGhNetPackVisitor::visitBulkSplitStack(BulkSplitStack & pack)
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{
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result = gh.bulkSplitStack(pack.src, pack.srcOwner, pack.amount);
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}
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void ApplyGhNetPackVisitor::visitBulkMergeStacks(BulkMergeStacks & pack)
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{
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result = gh.bulkMergeStacks(pack.src, pack.srcOwner);
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}
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void ApplyGhNetPackVisitor::visitBulkSmartSplitStack(BulkSmartSplitStack & pack)
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{
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result = gh.bulkSmartSplitStack(pack.src, pack.srcOwner);
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}
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void ApplyGhNetPackVisitor::visitDisbandCreature(DisbandCreature & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.id);
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result = gh.disbandCreature(pack.id, pack.pos);
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}
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void ApplyGhNetPackVisitor::visitBuildStructure(BuildStructure & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.tid);
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result = gh.buildStructure(pack.tid, pack.bid);
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}
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void ApplyGhNetPackVisitor::visitRecruitCreatures(RecruitCreatures & pack)
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{
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result = gh.recruitCreatures(pack.tid, pack.dst, pack.crid, pack.amount, pack.level);
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}
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void ApplyGhNetPackVisitor::visitUpgradeCreature(UpgradeCreature & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.id);
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result = gh.upgradeCreature(pack.id, pack.pos, pack.cid);
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}
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void ApplyGhNetPackVisitor::visitGarrisonHeroSwap(GarrisonHeroSwap & pack)
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{
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const CGTownInstance * town = gh.getTown(pack.tid);
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if(!gh.isPlayerOwns(&pack, pack.tid) && !(town->garrisonHero && gh.isPlayerOwns(&pack, town->garrisonHero->id)))
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gh.throwNotAllowedAction(&pack); //neither town nor garrisoned hero (if present) is ours
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result = gh.garrisonSwap(pack.tid);
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}
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void ApplyGhNetPackVisitor::visitExchangeArtifacts(ExchangeArtifacts & pack)
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{
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gh.throwOnWrongPlayer(&pack, pack.src.owningPlayer()); //second hero can be ally
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result = gh.moveArtifact(pack.src, pack.dst);
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}
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void ApplyGhNetPackVisitor::visitBulkExchangeArtifacts(BulkExchangeArtifacts & pack)
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{
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const CGHeroInstance * pSrcHero = gh.getHero(pack.srcHero);
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gh.throwOnWrongPlayer(&pack, pSrcHero->getOwner());
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result = gh.bulkMoveArtifacts(pack.srcHero, pack.dstHero, pack.swap);
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}
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void ApplyGhNetPackVisitor::visitAssembleArtifacts(AssembleArtifacts & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.heroID);
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result = gh.assembleArtifacts(pack.heroID, pack.artifactSlot, pack.assemble, pack.assembleTo);
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}
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void ApplyGhNetPackVisitor::visitBuyArtifact(BuyArtifact & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.hid);
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result = gh.buyArtifact(pack.hid, pack.aid);
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}
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void ApplyGhNetPackVisitor::visitTradeOnMarketplace(TradeOnMarketplace & pack)
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{
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const CGObjectInstance * market = gh.getObj(pack.marketId);
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if(!market)
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gh.throwAndComplain(&pack, "Invalid market object");
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const CGHeroInstance * hero = gh.getHero(pack.heroId);
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//market must be owned or visited
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const IMarket * m = IMarket::castFrom(market);
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if(!m)
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gh.throwAndComplain(&pack, "market is not-a-market! :/");
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PlayerColor player = market->tempOwner;
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if(player >= PlayerColor::PLAYER_LIMIT)
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player = gh.getTile(market->visitablePos())->visitableObjects.back()->tempOwner;
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if(player >= PlayerColor::PLAYER_LIMIT)
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gh.throwAndComplain(&pack, "No player can use this market!");
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bool allyTownSkillTrade = (pack.mode == EMarketMode::RESOURCE_SKILL && gh.getPlayerRelations(player, hero->tempOwner) == PlayerRelations::ALLIES);
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if(hero && (!(player == hero->tempOwner || allyTownSkillTrade)
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|| hero->visitablePos() != market->visitablePos()))
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gh.throwAndComplain(&pack, "This hero can't use this marketplace!");
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if(!allyTownSkillTrade)
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gh.throwOnWrongPlayer(&pack, player);
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result = true;
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switch(pack.mode)
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{
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case EMarketMode::RESOURCE_RESOURCE:
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for(int i = 0; i < pack.r1.size(); ++i)
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result &= gh.tradeResources(m, pack.val[i], player, pack.r1[i], pack.r2[i]);
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break;
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case EMarketMode::RESOURCE_PLAYER:
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for(int i = 0; i < pack.r1.size(); ++i)
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result &= gh.sendResources(pack.val[i], player, static_cast<Res::ERes>(pack.r1[i]), PlayerColor(pack.r2[i]));
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break;
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case EMarketMode::CREATURE_RESOURCE:
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for(int i = 0; i < pack.r1.size(); ++i)
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result &= gh.sellCreatures(pack.val[i], m, hero, SlotID(pack.r1[i]), static_cast<Res::ERes>(pack.r2[i]));
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break;
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case EMarketMode::RESOURCE_ARTIFACT:
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for(int i = 0; i < pack.r1.size(); ++i)
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result &= gh.buyArtifact(m, hero, static_cast<Res::ERes>(pack.r1[i]), ArtifactID(pack.r2[i]));
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break;
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case EMarketMode::ARTIFACT_RESOURCE:
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for(int i = 0; i < pack.r1.size(); ++i)
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result &= gh.sellArtifact(m, hero, ArtifactInstanceID(pack.r1[i]), static_cast<Res::ERes>(pack.r2[i]));
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break;
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case EMarketMode::CREATURE_UNDEAD:
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for(int i = 0; i < pack.r1.size(); ++i)
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result &= gh.transformInUndead(m, hero, SlotID(pack.r1[i]));
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break;
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case EMarketMode::RESOURCE_SKILL:
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for(int i = 0; i < pack.r2.size(); ++i)
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result &= gh.buySecSkill(m, hero, SecondarySkill(pack.r2[i]));
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break;
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case EMarketMode::CREATURE_EXP:
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{
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std::vector<SlotID> slotIDs(pack.r1.begin(), pack.r1.end());
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std::vector<ui32> count(pack.val.begin(), pack.val.end());
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result = gh.sacrificeCreatures(m, hero, slotIDs, count);
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return;
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}
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case EMarketMode::ARTIFACT_EXP:
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{
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std::vector<ArtifactPosition> positions(pack.r1.begin(), pack.r1.end());
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result = gh.sacrificeArtifact(m, hero, positions);
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return;
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}
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default:
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gh.throwAndComplain(&pack, "Unknown exchange pack.mode!");
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}
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}
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void ApplyGhNetPackVisitor::visitSetFormation(SetFormation & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.hid);
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result = gh.setFormation(pack.hid, pack.formation);
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}
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void ApplyGhNetPackVisitor::visitHireHero(HireHero & pack)
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{
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const CGObjectInstance * obj = gh.getObj(pack.tid);
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const CGTownInstance * town = dynamic_ptr_cast<CGTownInstance>(obj);
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if(town && PlayerRelations::ENEMIES == gh.getPlayerRelations(obj->tempOwner, gh.getPlayerAt(pack.c)))
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gh.throwAndComplain(&pack, "Can't buy hero in enemy town!");
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result = gh.hireHero(obj, pack.hid, pack.player);
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}
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void ApplyGhNetPackVisitor::visitBuildBoat(BuildBoat & pack)
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{
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if(gh.getPlayerRelations(gh.getOwner(pack.objid), gh.getPlayerAt(pack.c)) == PlayerRelations::ENEMIES)
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gh.throwAndComplain(&pack, "Can't build boat at enemy shipyard");
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result = gh.buildBoat(pack.objid);
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}
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void ApplyGhNetPackVisitor::visitQueryReply(QueryReply & pack)
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{
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auto playerToConnection = gh.connections.find(pack.player);
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if(playerToConnection == gh.connections.end())
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gh.throwAndComplain(&pack, "No such pack.player!");
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if(!vstd::contains(playerToConnection->second, pack.c))
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gh.throwAndComplain(&pack, "Message came from wrong connection!");
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if(pack.qid == QueryID(-1))
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gh.throwAndComplain(&pack, "Cannot answer the query with pack.id -1!");
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assert(vstd::contains(gh.states.players, pack.player));
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result = gh.queryReply(pack.qid, pack.reply, pack.player);
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}
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void ApplyGhNetPackVisitor::visitMakeAction(MakeAction & pack)
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{
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const BattleInfo * b = gs.curB;
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if(!b)
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gh.throwNotAllowedAction(&pack);
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if(b->tacticDistance)
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{
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if(pack.ba.actionType != EActionType::WALK && pack.ba.actionType != EActionType::END_TACTIC_PHASE
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&& pack.ba.actionType != EActionType::RETREAT && pack.ba.actionType != EActionType::SURRENDER)
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gh.throwNotAllowedAction(&pack);
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if(!vstd::contains(gh.connections[b->sides[b->tacticsSide].color], pack.c))
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gh.throwNotAllowedAction(&pack);
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}
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else
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{
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auto active = b->battleActiveUnit();
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if(!active)
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gh.throwNotAllowedAction(&pack);
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auto unitOwner = b->battleGetOwner(active);
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if(!vstd::contains(gh.connections[unitOwner], pack.c))
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gh.throwNotAllowedAction(&pack);
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}
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result = gh.makeBattleAction(pack.ba);
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}
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void ApplyGhNetPackVisitor::visitMakeCustomAction(MakeCustomAction & pack)
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{
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const BattleInfo * b = gs.curB;
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if(!b)
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gh.throwNotAllowedAction(&pack);
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if(b->tacticDistance)
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gh.throwNotAllowedAction(&pack);
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auto active = b->battleActiveUnit();
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if(!active)
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gh.throwNotAllowedAction(&pack);
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auto unitOwner = b->battleGetOwner(active);
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if(!vstd::contains(gh.connections[unitOwner], pack.c))
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gh.throwNotAllowedAction(&pack);
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if(pack.ba.actionType != EActionType::HERO_SPELL)
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gh.throwNotAllowedAction(&pack);
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result = gh.makeCustomAction(pack.ba);
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}
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void ApplyGhNetPackVisitor::visitDigWithHero(DigWithHero & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.id);
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result = gh.dig(gh.getHero(pack.id));
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}
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void ApplyGhNetPackVisitor::visitCastAdvSpell(CastAdvSpell & pack)
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{
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gh.throwOnWrongOwner(&pack, pack.hid);
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const CSpell * s = pack.sid.toSpell();
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if(!s)
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gh.throwNotAllowedAction(&pack);
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const CGHeroInstance * h = gh.getHero(pack.hid);
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if(!h)
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gh.throwNotAllowedAction(&pack);
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AdventureSpellCastParameters p;
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p.caster = h;
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p.pos = pack.pos;
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result = s->adventureCast(gh.spellEnv, p);
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}
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void ApplyGhNetPackVisitor::visitPlayerMessage(PlayerMessage & pack)
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{
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if(!pack.player.isSpectator()) // TODO: clearly not a great way to verify permissions
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gh.throwOnWrongPlayer(&pack, pack.player);
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gh.playerMessage(pack.player, pack.text, pack.currObj);
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result = true;
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}
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