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vcmi/server/CGameHandler.h
2013-03-14 20:44:00 +00:00

272 lines
16 KiB
C++

#pragma once
#include "../client/FunctionList.h"
#include "../lib/CGameState.h"
#include "../lib/Connection.h"
#include "../lib/IGameCallback.h"
#include "../lib/BattleAction.h"
#include "../lib/NetPacks.h"
/*
* CGameHandler.h, 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
*
*/
class CGameHandler;
class CVCMIServer;
class CGameState;
struct StartInfo;
class CCPPObjectScript;
class CScriptCallback;
struct BattleResult;
struct BattleAttack;
struct BattleStackAttacked;
struct CPack;
struct Query;
struct SetGarrisons;
struct SetResource;
struct SetResources;
struct NewStructures;
class CGHeroInstance;
class IMarket;
extern std::map<ui32, CFunctionList<void(ui32)> > callbacks; //question id => callback functions - for selection dialogs
extern boost::mutex gsm;
struct PlayerStatus
{
bool makingTurn, engagedIntoBattle;
std::set<ui32> queries;
PlayerStatus():makingTurn(false),engagedIntoBattle(false){};
template <typename Handler> void serialize(Handler &h, const int version)
{
h & makingTurn & engagedIntoBattle & queries;
}
};
class PlayerStatuses
{
public:
std::map<PlayerColor,PlayerStatus> players;
boost::mutex mx;
boost::condition_variable cv; //notifies when any changes are made
void addPlayer(PlayerColor player);
PlayerStatus operator[](PlayerColor player);
int getQueriesCount(PlayerColor player); //returns 0 if there is no such player
bool checkFlag(PlayerColor player, bool PlayerStatus::*flag);
void setFlag(PlayerColor player, bool PlayerStatus::*flag, bool val);
void addQuery(PlayerColor player, ui32 id);
void removeQuery(PlayerColor player, ui32 id);
template <typename Handler> void serialize(Handler &h, const int version)
{
h & players;
}
};
struct CasualtiesAfterBattle
{
typedef std::pair<StackLocation, int> TStackAndItsNewCount;
enum {ERASE = -1};
std::vector<TStackAndItsNewCount> newStackCounts;
ObjectInstanceID heroWithDeadCommander; //TODO: unify stack loactions
CasualtiesAfterBattle(const CArmedInstance *army, BattleInfo *bat);
void takeFromArmy(CGameHandler *gh);
};
class CGameHandler : public IGameCallback, CBattleInfoCallback
{
private:
void makeStackDoNothing(const CStack * next);
bool isAllowedExchangeForQuery(ObjectInstanceID id1, ObjectInstanceID id2);
public:
CVCMIServer *s;
std::map<PlayerColor, CConnection*> connections; //player color -> connection to client with interface of that player
PlayerStatuses states; //player color -> player state
std::set<CConnection*> conns;
//queries stuff
boost::recursive_mutex gsm;
ui32 QID;
//TODO get rid of cfunctionlist (or similar) and use serialziable callback structure
std::map<ui32, CFunctionList<void(ui32)> > callbacks; //query id => callback function - for selection and yes/no dialogs
std::map<ui32, std::pair<ObjectInstanceID, ObjectInstanceID> > allowedExchanges;
bool isBlockedByQueries(const CPack *pack, int packType, PlayerColor player);
bool isAllowedExchange(ObjectInstanceID id1, ObjectInstanceID id2);
bool isAllowedArrangePack(const ArrangeStacks *pack);
void giveSpells(const CGTownInstance *t, const CGHeroInstance *h);
int moveStack(int stack, BattleHex dest); //returned value - travelled distance
void startBattle(const CArmedInstance *armies[2], int3 tile, const CGHeroInstance *heroes[2], bool creatureBank, boost::function<void(BattleResult*)> cb, const CGTownInstance *town = NULL); //use hero=NULL for no hero
void runBattle();
void checkLossVictory(PlayerColor player);
void winLoseHandle(ui8 players=255); //players: bit field - colours of players to be checked; default: all
void getLossVicMessage(PlayerColor player, si8 standard, bool victory, InfoWindow &out) const;
////used only in endBattle - don't touch elsewhere
boost::function<void(BattleResult*)> * battleEndCallback;
//const CArmedInstance * bEndArmy1, * bEndArmy2;
bool visitObjectAfterVictory;
//
void endBattle(int3 tile, const CGHeroInstance *hero1, const CGHeroInstance *hero2); //ends battle
void prepareAttack(BattleAttack &bat, const CStack *att, const CStack *def, int distance, int targetHex); //distance - number of hexes travelled before attacking
void applyBattleEffects(BattleAttack &bat, const CStack *att, const CStack *def, int distance, bool secondary); //damage, drain life & fire shield
void checkForBattleEnd();
void setupBattle(int3 tile, const CArmedInstance *armies[2], const CGHeroInstance *heroes[2], bool creatureBank, const CGTownInstance *town);
void setBattleResult(BattleResult::EResult resultType, int victoriusSide);
CGameHandler(void);
~CGameHandler(void);
//////////////////////////////////////////////////////////////////////////
//from IGameCallback
//do sth
void changeSpells(const CGHeroInstance * hero, bool give, const std::set<SpellID> &spells) OVERRIDE;
bool removeObject(const CGObjectInstance * obj) OVERRIDE;
void setBlockVis(ObjectInstanceID objid, bool bv) OVERRIDE;
void setOwner(const CGObjectInstance * obj, PlayerColor owner) OVERRIDE;
void setHoverName(const CGObjectInstance * objid, MetaString * name) OVERRIDE;
void changePrimSkill(const CGHeroInstance * hero, PrimarySkill::PrimarySkill which, si64 val, bool abs=false) OVERRIDE;
void changeSecSkill(const CGHeroInstance * hero, SecondarySkill which, int val, bool abs=false) OVERRIDE;
//void showInfoDialog(InfoWindow *iw) OVERRIDE;
void showBlockingDialog(BlockingDialog *iw, const CFunctionList<void(ui32)> &callback) OVERRIDE;
ui32 showBlockingDialog(BlockingDialog *iw) OVERRIDE; //synchronous version of above
void showGarrisonDialog(ObjectInstanceID upobj, ObjectInstanceID hid, bool removableUnits, const boost::function<void()> &cb) OVERRIDE;
void showThievesGuildWindow(PlayerColor player, ObjectInstanceID requestingObjId) OVERRIDE;
void giveResource(PlayerColor player, Res::ERes which, int val) OVERRIDE;
void giveCreatures(const CArmedInstance *objid, const CGHeroInstance * h, const CCreatureSet &creatures, bool remove) OVERRIDE;
void takeCreatures(ObjectInstanceID objid, const std::vector<CStackBasicDescriptor> &creatures) OVERRIDE;
bool changeStackType(const StackLocation &sl, CCreature *c) OVERRIDE;
bool changeStackCount(const StackLocation &sl, TQuantity count, bool absoluteValue = false) OVERRIDE;
bool insertNewStack(const StackLocation &sl, const CCreature *c, TQuantity count) OVERRIDE;
bool eraseStack(const StackLocation &sl, bool forceRemoval = false) OVERRIDE;
bool swapStacks(const StackLocation &sl1, const StackLocation &sl2) OVERRIDE;
bool addToSlot(const StackLocation &sl, const CCreature *c, TQuantity count) OVERRIDE;
void tryJoiningArmy(const CArmedInstance *src, const CArmedInstance *dst, bool removeObjWhenFinished, bool allowMerging) OVERRIDE;
bool moveStack(const StackLocation &src, const StackLocation &dst, TQuantity count = -1) OVERRIDE;
void giveHeroNewArtifact(const CGHeroInstance *h, const CArtifact *artType, ArtifactPosition pos) OVERRIDE;
void giveHeroArtifact(const CGHeroInstance *h, const CArtifactInstance *a, ArtifactPosition pos) OVERRIDE;
void putArtifact(const ArtifactLocation &al, const CArtifactInstance *a) OVERRIDE;
void removeArtifact(const ArtifactLocation &al) OVERRIDE;
bool moveArtifact(const ArtifactLocation &al1, const ArtifactLocation &al2) OVERRIDE;
void synchronizeArtifactHandlerLists() OVERRIDE;
void showCompInfo(ShowInInfobox * comp) OVERRIDE;
void heroVisitCastle(const CGTownInstance * obj, const CGHeroInstance * hero) OVERRIDE;
void stopHeroVisitCastle(const CGTownInstance * obj, const CGHeroInstance * hero) OVERRIDE;
//bool removeArtifact(const CArtifact* art, int hid) OVERRIDE;
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, int3 tile, const CGHeroInstance *hero1, const CGHeroInstance *hero2, bool creatureBank = false, boost::function<void(BattleResult*)> cb = 0, const CGTownInstance *town = NULL) OVERRIDE; //use hero=NULL for no hero
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, int3 tile, boost::function<void(BattleResult*)> cb = 0, bool creatureBank = false) OVERRIDE; //if any of armies is hero, hero will be used
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, boost::function<void(BattleResult*)> cb = 0, bool creatureBank = false) OVERRIDE; //if any of armies is hero, hero will be used, visitable tile of second obj is place of battle//void startBattleI(int heroID, CCreatureSet army, int3 tile, boost::function<void(BattleResult*)> cb) OVERRIDE; //for hero<=>neutral army
void setAmount(ObjectInstanceID objid, ui32 val) OVERRIDE;
bool moveHero(ObjectInstanceID hid, int3 dst, ui8 instant, PlayerColor asker = PlayerColor::NEUTRAL) OVERRIDE;
void giveHeroBonus(GiveBonus * bonus) OVERRIDE;
void setMovePoints(SetMovePoints * smp) OVERRIDE;
void setManaPoints(ObjectInstanceID hid, int val) OVERRIDE;
void giveHero(ObjectInstanceID id, PlayerColor player) OVERRIDE;
void changeObjPos(ObjectInstanceID objid, int3 newPos, ui8 flags) OVERRIDE;
void heroExchange(ObjectInstanceID hero1, ObjectInstanceID hero2) OVERRIDE;
//////////////////////////////////////////////////////////////////////////
void useScholarSkill(ObjectInstanceID hero1, ObjectInstanceID hero2);
void setPortalDwelling(const CGTownInstance * town, bool forced, bool clear);
bool tryAttackingGuard(const int3 &guardPos, const CGHeroInstance * h);
void visitObjectOnTile(const TerrainTile &t, const CGHeroInstance * h);
bool teleportHero(ObjectInstanceID hid, ObjectInstanceID dstid, ui8 source, PlayerColor asker = PlayerColor::NEUTRAL);
void vistiCastleObjects (const CGTownInstance *t, const CGHeroInstance *h);
void levelUpHero(const CGHeroInstance * hero, SecondarySkill skill);//handle client respond and send one more request if needed
void levelUpHero(const CGHeroInstance * hero);//initial call - check if hero have remaining levelups & handle them
void levelUpCommander (const CCommanderInstance * c, int skill); //secondary skill 1 to 6, special skill : skill - 100
void levelUpCommander (const CCommanderInstance * c);
void afterBattleCallback(); // called after level-ups are finished
//////////////////////////////////////////////////////////////////////////
void commitPackage(CPackForClient *pack) OVERRIDE;
void init(StartInfo *si);
void handleConnection(std::set<PlayerColor> players, CConnection &c);
PlayerColor getPlayerAt(CConnection *c) const;
void playerMessage( PlayerColor player, const std::string &message);
bool makeBattleAction(BattleAction &ba);
bool makeAutomaticAction(const CStack *stack, BattleAction &ba); //used when action is taken by stack without volition of player (eg. unguided catapult attack)
void handleSpellCasting(SpellID spellID, int spellLvl, BattleHex destination, ui8 casterSide, PlayerColor casterColor, const CGHeroInstance * caster, const CGHeroInstance * secHero,
int usedSpellPower, ECastingMode::ECastingMode mode, const CStack * stack, si32 selectedStack = -1);
bool makeCustomAction(BattleAction &ba);
void stackTurnTrigger(const CStack * stack);
void handleDamageFromObstacle(const CObstacleInstance &obstacle, const CStack * curStack); //checks if obstacle is land mine and handles possible consequences
void removeObstacle(const CObstacleInstance &obstacle);
bool queryReply( ui32 qid, ui32 answer, PlayerColor player );
bool hireHero( const CGObjectInstance *obj, ui8 hid, PlayerColor player );
bool buildBoat( ObjectInstanceID objid );
bool setFormation( ObjectInstanceID hid, ui8 formation );
bool tradeResources(const IMarket *market, ui32 val, PlayerColor player, ui32 id1, ui32 id2);
bool sacrificeCreatures(const IMarket *market, const CGHeroInstance *hero, SlotID slot, ui32 count);
bool sendResources(ui32 val, PlayerColor player, Res::ERes r1, PlayerColor r2);
bool sellCreatures(ui32 count, const IMarket *market, const CGHeroInstance * hero, SlotID slot, Res::ERes resourceID);
bool transformInUndead(const IMarket *market, const CGHeroInstance * hero, SlotID slot);
bool assembleArtifacts (ObjectInstanceID heroID, ArtifactPosition artifactSlot, bool assemble, ArtifactID assembleTo);
bool buyArtifact( ObjectInstanceID hid, ArtifactID aid ); //for blacksmith and mage guild only -> buying for gold in common buildings
bool buyArtifact( const IMarket *m, const CGHeroInstance *h, Res::ERes rid, ArtifactID aid); //for artifact merchant and black market -> buying for any resource in special building / advobject
bool sellArtifact( const IMarket *m, const CGHeroInstance *h, ArtifactInstanceID aid, Res::ERes rid); //for artifact merchant selling
//void lootArtifacts (TArtHolder source, TArtHolder dest, std::vector<ui32> &arts); //after battle - move al arts to winer
bool buySecSkill( const IMarket *m, const CGHeroInstance *h, SecondarySkill skill);
bool garrisonSwap(ObjectInstanceID tid);
bool upgradeCreature( ObjectInstanceID objid, SlotID pos, CreatureID upgID );
bool recruitCreatures(ObjectInstanceID objid, CreatureID crid, ui32 cram, si32 level);
bool buildStructure(ObjectInstanceID tid, BuildingID bid, bool force=false);//force - for events: no cost, no checkings
bool razeStructure(ObjectInstanceID tid, BuildingID bid);
bool disbandCreature( ObjectInstanceID id, SlotID pos );
bool arrangeStacks( ObjectInstanceID id1, ObjectInstanceID id2, ui8 what, SlotID p1, SlotID p2, si32 val, PlayerColor player);
void save(const std::string &fname);
void close();
void handleTimeEvents();
void handleTownEvents(CGTownInstance *town, NewTurn &n);
bool complain(const std::string &problem); //sends message to all clients, prints on the logs and return true
void objectVisited( const CGObjectInstance * obj, const CGHeroInstance * h );
void engageIntoBattle( PlayerColor player );
bool dig(const CGHeroInstance *h);
bool castSpell(const CGHeroInstance *h, SpellID spellID, const int3 &pos);
void moveArmy(const CArmedInstance *src, const CArmedInstance *dst, bool allowMerging);
template <typename Handler> void serialize(Handler &h, const int version)
{
h & QID & states;
}
ui32 getQueryResult(PlayerColor player, int queryID);
void sendMessageToAll(const std::string &message);
void sendMessageTo(CConnection &c, const std::string &message);
void applyAndAsk(Query * sel, PlayerColor player, boost::function<void(ui32)> &callback);
void prepareNewQuery(Query * queryPack, PlayerColor player, const boost::function<void(ui32)> &callback = 0); //generates unique query id and writes it to the pack; blocks the player till query is answered (then callback is called)
void ask(Query * sel, PlayerColor player, const CFunctionList<void(ui32)> &callback);
void sendToAllClients(CPackForClient * info);
void sendAndApply(CPackForClient * info);
void applyAndSend(CPackForClient * info);
void sendAndApply(CGarrisonOperationPack * info);
void sendAndApply(SetResource * info);
void sendAndApply(SetResources * info);
void sendAndApply(NewStructures * info);
void run(bool resume);
void newTurn();
void handleAttackBeforeCasting (const BattleAttack & bat);
void handleAfterAttackCasting (const BattleAttack & bat);
void attackCasting(const BattleAttack & bat, Bonus::BonusType attackMode, const CStack * attacker);
bool sacrificeArtifact(const IMarket * m, const CGHeroInstance * hero, ArtifactPosition slot);
void spawnWanderingMonsters(CreatureID creatureID);
friend class CVCMIServer;
friend class CScriptCallback;
};
void makeStackDoNothing();