bleedchancedata.c

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typedef map<int,float> BleedChanceMaxMap; //<bloodDamageReceived,chanceMax>
 
class BleedChanceData : Managed
{
 private static const float BLOOD_HITPOINTS_UNIVERSAL = 100.0;
 
 private static ref map<string, ref BleedChanceMaxMap> m_DamageTypeMap;
 
 static void InitBleedChanceData()
 {
 m_DamageTypeMap = new map<string,ref BleedChanceMaxMap>();
 
 InitMeleeChanceMap();
 InitInfectedChanceMap();
 }
 
 static void InitMeleeChanceMap()
 {
 if (m_DamageTypeMap.Contains("Melee"))
 ErrorEx("'Melee' damage type bleed chances already initialized!");
 
 BleedChanceMaxMap bleedChanceMaxMap = new BleedChanceMaxMap();
 
 //keys have to be integers, recalculated later
 bleedChanceMaxMap.Set(0,0.0);
 bleedChanceMaxMap.Set(10,5.0);
 bleedChanceMaxMap.Set(20,15.0);
 bleedChanceMaxMap.Set(30,23.4);
 bleedChanceMaxMap.Set(40,31.2);
 bleedChanceMaxMap.Set(50,39.0);
 bleedChanceMaxMap.Set(60,46.8);
 bleedChanceMaxMap.Set(70,54.6);
 bleedChanceMaxMap.Set(80,62.4);
 bleedChanceMaxMap.Set(90,70.2);
 bleedChanceMaxMap.Set(BLOOD_HITPOINTS_UNIVERSAL,100.0);
 
 m_DamageTypeMap.Set("Melee",bleedChanceMaxMap);
 }
 
 static void InitInfectedChanceMap()
 {
 if (m_DamageTypeMap.Contains("Infected"))
 ErrorEx("'Infected' damage type bleed chances already initialized!");
 
 BleedChanceMaxMap bleedChanceMaxMap = new BleedChanceMaxMap();
 
 //keys have to be integers, recalculated later
 bleedChanceMaxMap.Set(0,0.0);
 bleedChanceMaxMap.Set(10,5.0);
 bleedChanceMaxMap.Set(20,15.0);
 bleedChanceMaxMap.Set(30,27.5);
 bleedChanceMaxMap.Set(40,40.0);
 bleedChanceMaxMap.Set(50,55.0);
 bleedChanceMaxMap.Set(60,60.0);
 bleedChanceMaxMap.Set(70,70.0);
 bleedChanceMaxMap.Set(80,75.0);
 bleedChanceMaxMap.Set(90,85.0);
 bleedChanceMaxMap.Set(BLOOD_HITPOINTS_UNIVERSAL,100.0);
 
 m_DamageTypeMap.Set("Infected",bleedChanceMaxMap);
 }
 
 static void Cleanup()
 {
 delete m_DamageTypeMap;
 }
 
 static bool CalculateBleedChance(string damageType, float bloodDamage, float bleedThreshold, out float bleedChance)
 {
 map<int,float> bleedChanceMap = m_DamageTypeMap.Get(damageType);
 if (!bleedChanceMap)
 return false;
 
 float armor = bloodDamage / BLOOD_HITPOINTS_UNIVERSAL;
 float valueHigher = Math.Max(bleedThreshold,armor) * BLOOD_HITPOINTS_UNIVERSAL;
 float valueLower = Math.Min(bleedThreshold,armor) * BLOOD_HITPOINTS_UNIVERSAL;
 
 #ifdef DEVELOPER
 if (LogManager.IsBleedingChancesLogEnable())
 { 
 Debug.BleedingChancesLog(armor.ToString(), "BleedChanceData" , "n/a", "armor:");
 Debug.BleedingChancesLog(bleedThreshold.ToString(), "BleedChanceData" , "n/a", "bleedThreshold:");
 }
 #endif
 
 //unexpected values, unhandled
 if (valueLower > BLOOD_HITPOINTS_UNIVERSAL)
 {
 bleedChance = 1.0;
 
 #ifdef DEVELOPER
 if (LogManager.IsBleedingChancesLogEnable())
 { 
 Debug.BleedingChancesLog(bleedChance.ToString(), "BleedChanceData" , "n/a", "Unhandleed values, default bleeding chance used:");
 }
 #endif
 
 return true;
 }
 
 if (bleedChanceMap.Contains(valueLower))
 {
 bleedChance = bleedChanceMap.Get(valueLower) * valueHigher / 10000;
 }
 else
 {
 float chanceMaxActual;
 
 float floor = Math.Floor(valueLower / 10) * 10;
 float ceil = Math.Ceil(valueLower / 10) * 10;
 float pos = Math.InverseLerp(floor,ceil,valueLower);
 
 float chanceMin = bleedChanceMap.Get(floor);
 float chanceMax = bleedChanceMap.Get(ceil);
 
 chanceMaxActual = Math.Lerp(chanceMin,chanceMax,pos);
 bleedChance = valueHigher * chanceMaxActual / 10000;
 }
 
 #ifdef DEVELOPER
 if (LogManager.IsBleedingChancesLogEnable())
 { 
 Debug.BleedingChancesLog(bleedChance.ToString(), "BleedChanceData" , "n/a", "bleeding chance:");
 }
 #endif
 
 return true;
 }
}