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game/server/tf/tf_achievementdata.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+//=============================================================================
+#ifndef TF_ACHIEVEMENT_DATA_H
+#define TF_ACHIEVEMENT_DATA_H
+#pragma once
+
+#include "UtlSortVector.h"
+
+#define MAX_ACHIEVEMENT_HISTORY_SLOTS	4
+#define MAX_ACHIEVEMENT_DAMAGE_HISTORY_SLOTS	128
+
+//=============================================================================
+// Custom class to manage lists of history events. Maintains a prioritized list of 
+// events, but includes two extra features: 
+//		- Maximum size of the number of entries in the queue.
+//		- Ensures each associated-entity in the entries appears only once in the queue.
+template <class T, class LessFunc, int maxSize>
+class CHistoryVector : public CUtlSortVector<T, LessFunc>
+{
+public:
+	CHistoryVector()
+	{
+	}
+
+	void InsertHistory( T const &element )
+	{
+		LessFunc less;
+
+		// Make sure it's not in the list already
+		for ( int i = 0; i < this->Count(); i++ )
+		{
+			if ( less.HistoryMatch( this->Element(i), element ) )
+			{
+				this->Remove( i );
+				break;
+			}
+		}
+
+		CUtlSortVector<T, LessFunc>::Insert( element );
+
+		// Remove the oldest entry if we're over max size
+		if ( this->Count() > maxSize )
+		{
+			this->Remove( this->Count()-1 );
+		}
+	}
+};
+
+//=============================================================================
+// Data stored in players for achievement handling
+struct EntityHistory_t
+{
+	EHANDLE hEntity;
+	EHANDLE hObject;
+	float	flTimeDamage;
+};
+
+struct EntityDamageHistory_t : public EntityHistory_t
+{
+	int	nDamageAmount;
+};
+
+
+class CEntityHistoryLess
+{
+public:
+	bool Less( const EntityHistory_t &dmg1, const EntityHistory_t &dmg2, void *pCtx )
+	{
+		return (dmg1.flTimeDamage > dmg2.flTimeDamage);
+	}
+	bool HistoryMatch( const EntityHistory_t &dmg1, const EntityHistory_t &dmg2 )
+	{
+		return (dmg1.hEntity == dmg2.hEntity);
+	}
+};
+
+// Allow duplicate (source) entries with this type; HistoryMatch always returns false
+class CEntityDamageHistoryLess
+{
+public:
+	bool Less( const EntityDamageHistory_t &dmg1, const EntityDamageHistory_t &dmg2, void *pCtx )
+	{
+		return ( dmg2.flTimeDamage < dmg1.flTimeDamage );
+	}
+	bool HistoryMatch( const EntityDamageHistory_t &dmg1, const EntityDamageHistory_t &dmg2 )
+	{
+		return false;
+	}
+};
+
+// Achievement Tracking container
+class CAchievementData
+{
+public:
+	void ClearHistories( void )
+	{
+		aDamagers.RemoveAll();
+		aDamageEvents.RemoveAll();
+		aTargets.RemoveAll();
+		aSentryDamagers.RemoveAll();
+		aPushers.RemoveAll();
+	}
+
+	void				AddDamagerToHistory( EHANDLE hDamager );
+	EntityHistory_t		*GetDamagerHistory( int i ) { if (i >= aDamagers.Count()) return NULL; return &aDamagers[i]; }
+	int					CountDamagersWithinTime( float flTime );
+	bool				IsDamagerInHistory( CBaseEntity *pTarget, float flTimeWindow );
+	void				DumpDamagers( void );
+
+	// Capture the last 64 damage events - duplicates allowed
+	void				AddDamageEventToHistory( EHANDLE hAttacker, float flDmgAmount = 0.f );
+	EntityDamageHistory_t *GetDamageEventHistory( int i ) { if ( i >= aDamageEvents.Count() ) return NULL; return &aDamageEvents[i]; }
+	int					GetDamageEventHistoryCount( void ) { return aDamageEvents.Count(); }
+	bool				IsEntityInDamageEventHistory( CBaseEntity *pEntity, float flTimeWindow );
+	int					GetAmountForDamagerInEventHistory( CBaseEntity *pEntity, float flTimeWindow );
+
+	void				AddTargetToHistory( EHANDLE hTarget );
+	bool				IsTargetInHistory( CBaseEntity *pTarget, float flTimeWindow );
+	EntityHistory_t		*GetTargetHistory( int i ) { if (i >= aTargets.Count()) return NULL; return &aTargets[i]; }
+	int					CountTargetsWithinTime( float flTime );
+
+	void                AddSentryDamager( EHANDLE hDamager, EHANDLE hObject );
+	EntityHistory_t     *IsSentryDamagerInHistory( CBaseEntity *pDamager, float flTimeWindow );
+
+	void				AddPusherToHistory( EHANDLE hPlayer );
+	bool				IsPusherInHistory( CBaseEntity *pPlayer, float flTimeWindow );
+
+private:
+	CHistoryVector< EntityHistory_t, CEntityHistoryLess, MAX_ACHIEVEMENT_HISTORY_SLOTS > aDamagers;
+	CHistoryVector< EntityDamageHistory_t, CEntityDamageHistoryLess, MAX_ACHIEVEMENT_DAMAGE_HISTORY_SLOTS > aDamageEvents;	// Duplicates allowed
+	CHistoryVector< EntityHistory_t, CEntityHistoryLess, MAX_ACHIEVEMENT_HISTORY_SLOTS > aTargets;
+	CHistoryVector< EntityHistory_t, CEntityHistoryLess, MAX_ACHIEVEMENT_HISTORY_SLOTS > aSentryDamagers;
+	CHistoryVector< EntityHistory_t, CEntityHistoryLess, MAX_ACHIEVEMENT_HISTORY_SLOTS > aPushers;
+};
+
+#endif