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//========= 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;
}
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