void CheckRuleset( void ) {

// return if ruleset hasn't changed
// will also apply at server start since g_ruleset.modificationCount == 0 and rulesetModCount == -1
if ( g_ruleset.modificationCount == rulesetModCount ) return;
rulesetModCount = g_ruleset.modificationCount;

// apply all the cvar changes etc here
switch ( g_ruleset.integer ) {
case 1:
// ...
break;
case 2:
// ...
break;
case 3:
// ...
break;
default:
// ...
break;
}

}

rulesetModCount = g_ruleset.modificationCount;

int dmgscore;
PERS_DMG_GIVEN += take += atake;  //PERS_DMG_GIVEN will store all the damage done for all the match
dmgscore = 0;  //the var will be set to zero at start
dmgscore = dmgscore - PERS_DMG_GIVEN;
dmgscore * -1;  //from negative to positive
if (dmgscore >= 100){  //if it exceed the 100
dmgscore = dmgscore / 100;  // divide it
if (dmgscore.integer){   //if it's integer
AddScore( attacker, attacker->r.currentOrigin, dmgscore );    //add to client score, i changed it with a r.currentOrigin, 1 );
}

/*
================
G_ScoreFromDamage
muff: used for damage-based scoring for CA etc.
================
*/
static void G_ScoreFromDamage( gentity_t *attacker, const int damage, const int damagePerPoint ) {
   clientPersistant_t *pe = &attacker->client->pers;
   int points = 0;

   if ( !damage || !damagePerPoint ) return;

   // accumulate damage
   pe->accumulateDmgGiven += damage;

   // not enough damage accumulated to score yet
   if ( pe->accumulateDmgGiven < damagePerPoint ) return;
   
   // determine score to add
   points = pe->accumulateDmgGiven / damagePerPoint;

   // save residual damage
   pe->accumulateDmgGiven -= points * damagePerPoint;

   // add score
   AddScore( attacker, attacker->r.currentOrigin, points );
}

   G_ScoreFromDamage( attacker, dmgCapped, 100 );