1 files changed, 204 insertions, 0 deletions
diff --git a/game/server/cstrike/funfactmgr_cs.cpp b/game/server/cstrike/funfactmgr_cs.cpp
new file mode 100644
index 0000000..4454e08
--- /dev/null
+++ b/game/server/cstrike/funfactmgr_cs.cpp
@@ -0,0 +1,204 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#include "cbase.h"
+#include "usermessages.h"
+#include "funfactmgr_cs.h"
+
+const float kCooldownRatePlayer		= 0.4f;
+const float kCooldownRateFunFact	= 0.2f;
+
+const float kWeightPlayerCooldown	= 0.8f;
+const float kWeightFunFactCooldown	= 1.0f;
+const float kWeightCoolness			= 2.0f;
+const float kWeightRarity			= 1.0f;
+
+#define DEBUG_FUNFACT_SCORING 0
+
+//-----------------------------------------------------------------------------
+// Purpose: constructor
+//-----------------------------------------------------------------------------
+CCSFunFactMgr::CCSFunFactMgr() : 
+	CAutoGameSystemPerFrame( "CCSFunFactMgr" ),
+	m_funFactDatabase(0, 100, DefLessFunc(int) )
+{
+	for ( int i = 0; i < MAX_PLAYERS; ++i )
+	{
+		m_playerCooldown[i] = 0.0f;
+	}
+}
+
+CCSFunFactMgr::~CCSFunFactMgr()
+{
+	Shutdown();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initializes the fun fact manager
+//-----------------------------------------------------------------------------
+bool CCSFunFactMgr::Init()
+{
+	ListenForGameEvent( "player_connect" );
+
+	CFunFactHelper *pFunFactHelper = CFunFactHelper::s_pFirst;
+
+	// create database of all fun fact evaluators (and initial usage metrics)
+	while ( pFunFactHelper )
+	{
+		FunFactDatabaseEntry entry;
+		entry.fCooldown = 0.0f;
+		entry.iOccurrences = 0;
+		entry.pEvaluator = pFunFactHelper->m_pfnCreate();
+		m_funFactDatabase.Insert(entry.pEvaluator->GetId(), entry);
+
+		pFunFactHelper = pFunFactHelper->m_pNext;
+	}
+
+	for (int i = 0; i < ARRAYSIZE(m_playerCooldown); ++i)
+	{
+		m_playerCooldown[i] = 0.0f;
+	}
+
+	m_numRounds = 0;
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Shuts down the fun fact manager
+//-----------------------------------------------------------------------------
+void CCSFunFactMgr::Shutdown()
+{
+	FOR_EACH_MAP( m_funFactDatabase, iter )
+	{
+		delete m_funFactDatabase[iter].pEvaluator;
+	}
+	m_funFactDatabase.RemoveAll();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Per frame processing
+//-----------------------------------------------------------------------------
+void CCSFunFactMgr::Update( float frametime )
+{
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Listens for game events.  Clears out map based stats and player based stats when necessary
+//-----------------------------------------------------------------------------
+void CCSFunFactMgr::FireGameEvent( IGameEvent *event )
+{
+	const char *eventname = event->GetName();
+
+	if ( Q_strcmp( "player_connect", eventname ) == 0 )
+	{
+		int index = event->GetInt("index");// player slot (entity index-1)
+		ASSERT( index >= 0 && index < MAX_PLAYERS );
+		if( index >= 0 && index < MAX_PLAYERS )
+		{
+			m_playerCooldown[index] = 0.0f;
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Finds the best fun fact to display and returns all necessary information through the parameters
+//-----------------------------------------------------------------------------
+bool CCSFunFactMgr::GetRoundEndFunFact( int iWinningTeam, int iRoundResult, FunFact& funfact )
+{
+	FunFactVector validFunFacts;
+
+	// Generate a vector of all valid fun facts for this round
+	FOR_EACH_MAP( m_funFactDatabase, i )
+	{
+		FunFact funFact;
+		if ( m_funFactDatabase[i].pEvaluator->Evaluate(validFunFacts) )
+		{
+			m_funFactDatabase[i].iOccurrences++;
+		}
+	}
+
+	m_numRounds++;
+
+	if (validFunFacts.Size() == 0)
+		return false;
+
+	// pick the fun fact with the highest score
+	float fBestScore = -FLT_MAX;
+	int iFunFactIndex = -1;
+
+#if DEBUG_FUNFACT_SCORING
+	Msg("Scoring fun facts:\n");
+#endif
+
+	FOR_EACH_VEC(validFunFacts, i)
+	{
+		float fScore = ScoreFunFact(validFunFacts[i]);
+
+#if DEBUG_FUNFACT_SCORING
+		char szPlayerName[64];
+		const FunFact& funfact = validFunFacts[i];
+		if (funfact.iPlayer > 0)
+			V_strncpy(szPlayerName, ToCSPlayer(UTIL_PlayerByIndex(funfact.iPlayer))->GetPlayerName(), sizeof(szPlayerName));
+		else
+			V_strcpy(szPlayerName, "");
+
+		Msg("(%5.4f) %s, %s, %i, %i, %i\n", fScore, funfact.szLocalizationToken, szPlayerName, funfact.iData1, funfact.iData2, funfact.iData3);
+#endif
+
+		if (fScore > fBestScore)
+		{
+			fBestScore = fScore;
+			iFunFactIndex = i;
+		}
+	}
+
+	if (iFunFactIndex < 0)
+		return false;
+	
+	funfact = validFunFacts[iFunFactIndex];
+
+	// decay player cooldowns
+	for (int i = 0; i < MAX_PLAYERS; ++i )
+	{
+		m_playerCooldown[i] *= (1.0f - kCooldownRatePlayer);
+	}
+
+	// decay funfact cooldowns
+	FOR_EACH_MAP(m_funFactDatabase, i)
+	{
+		m_funFactDatabase[i].fCooldown *= (1.0f - kCooldownRateFunFact);
+	}
+
+	// set player cooldown for player in funfact
+	if ( funfact.iPlayer )
+	{
+		m_playerCooldown[funfact.iPlayer - 1] = 1.0f;
+	}
+
+	// set funfact cooldown for current funfact
+	m_funFactDatabase[m_funFactDatabase.Find(funfact.id)].fCooldown = 1.0f;
+
+	return true;
+}
+
+float CCSFunFactMgr::ScoreFunFact( const FunFact& funfact )
+{
+	float fScore = 0.0f;
+	const FunFactDatabaseEntry& dbEntry = m_funFactDatabase[m_funFactDatabase.Find(funfact.id)];
+
+	// add the coolness score for the funfact
+	fScore += kWeightCoolness * dbEntry.pEvaluator->GetCoolness() * (1.0f + funfact.fMagnitude);
+
+	// subtract the cooldown for the funfact
+	fScore -= kWeightFunFactCooldown * dbEntry.fCooldown;
+	
+	// subtract the cooldown for the player
+	if ( funfact.iPlayer ) {
+		fScore -= kWeightPlayerCooldown * m_playerCooldown[funfact.iPlayer - 1];
+	}
+
+	// add the rarity bonus
+	fScore += kWeightRarity * powf((1.0f - (float)dbEntry.iOccurrences / m_numRounds), 2.0f);
+
+	return fScore;
+}