flewkey/cuberite-2a
1
0
Fork 0
Code Releases Activity
3a89e9959b
cuberite-2a/src/Entities/EntityEffect.cpp
Mattes D d1dee3c909 Fixed RasPi builds of unit tests. 
On RasPi with gcc 4.8.2, the asserts wouldn't compile when tests were enabled.
Enforced the assumption that ASSERT code is generated only in Debug builds.
2016-08-04 20:47:53 +02:00

502 lines
14 KiB
C++
Raw Blame History

#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "EntityEffect.h"
#include "../Mobs/Monster.h"
#include "Player.h"
int cEntityEffect::GetPotionColor(short a_ItemDamage)
{
// Lowest six bits
return (a_ItemDamage & 0x3f);
}
cEntityEffect::eType cEntityEffect::GetPotionEffectType(short a_ItemDamage)
{
// Lowest four bits
// Potion effect bits are different from entity effect values
// For reference: http://minecraft.gamepedia.com/Data_values#.22Potion_effect.22_bits
switch (a_ItemDamage & 0x0f)
{
case 0x01: return cEntityEffect::effRegeneration;
case 0x02: return cEntityEffect::effSpeed;
case 0x03: return cEntityEffect::effFireResistance;
case 0x04: return cEntityEffect::effPoison;
case 0x05: return cEntityEffect::effInstantHealth;
case 0x06: return cEntityEffect::effNightVision;
case 0x08: return cEntityEffect::effWeakness;
case 0x09: return cEntityEffect::effStrength;
case 0x0a: return cEntityEffect::effSlowness;
case 0x0b: return cEntityEffect::effJumpBoost;
case 0x0c: return cEntityEffect::effInstantDamage;
case 0x0d: return cEntityEffect::effWaterBreathing;
case 0x0e: return cEntityEffect::effInvisibility;
// No effect potions
case 0x00:
case 0x07:
case 0x0f:
{
break;
}
}
return cEntityEffect::effNoEffect;
}
short cEntityEffect::GetPotionEffectIntensity(short a_ItemDamage)
{
// Level II potion if the fifth lowest bit is set
return ((a_ItemDamage & 0x20) != 0) ? 1 : 0;
}
int cEntityEffect::GetPotionEffectDuration(short a_ItemDamage)
{
// Base duration in ticks
int base = 0;
double TierCoeff = 1, ExtCoeff = 1, SplashCoeff = 1;
switch (GetPotionEffectType(a_ItemDamage))
{
case cEntityEffect::effRegeneration:
case cEntityEffect::effPoison:
{
base = 900;
break;
}
case cEntityEffect::effSpeed:
case cEntityEffect::effFireResistance:
case cEntityEffect::effNightVision:
case cEntityEffect::effStrength:
case cEntityEffect::effWaterBreathing:
case cEntityEffect::effJumpBoost:
case cEntityEffect::effInvisibility:
{
base = 3600;
break;
}
case cEntityEffect::effWeakness:
case cEntityEffect::effSlowness:
{
base = 1800;
break;
}
default: break;
}
// If potion is level II, half the duration. If not, stays the same
TierCoeff = (GetPotionEffectIntensity(a_ItemDamage) > 0) ? 0.5 : 1;
// If potion is extended, multiply duration by 8 / 3. If not, stays the same
// Extended potion if sixth lowest bit is set
ExtCoeff = (a_ItemDamage & 0x40) ? (8.0 / 3.0) : 1;
// If potion is splash potion, multiply duration by 3 / 4. If not, stays the same
SplashCoeff = IsPotionDrinkable(a_ItemDamage) ? 1 : 0.75;
// Ref.:
// http://minecraft.gamepedia.com/Data_values#.22Tier.22_bit
// http://minecraft.gamepedia.com/Data_values#.22Extended_duration.22_bit
// http://minecraft.gamepedia.com/Data_values#.22Splash_potion.22_bit
return static_cast<int>(base * TierCoeff * ExtCoeff * SplashCoeff);
}
bool cEntityEffect::IsPotionDrinkable(short a_ItemDamage)
{
// Drinkable potion if 13th lowest bit is set
// Ref.: http://minecraft.gamepedia.com/Potions#Data_value_table
return ((a_ItemDamage & 0x2000) != 0);
}
cEntityEffect::cEntityEffect():
m_Ticks(0),
m_Duration(0),
m_Intensity(0),
m_DistanceModifier(1)
{
}
cEntityEffect::cEntityEffect(int a_Duration, short a_Intensity, double a_DistanceModifier):
m_Ticks(0),
m_Duration(a_Duration),
m_Intensity(a_Intensity),
m_DistanceModifier(a_DistanceModifier)
{
}
cEntityEffect::cEntityEffect(const cEntityEffect & a_OtherEffect):
m_Ticks(a_OtherEffect.m_Ticks),
m_Duration(a_OtherEffect.m_Duration),
m_Intensity(a_OtherEffect.m_Intensity),
m_DistanceModifier(a_OtherEffect.m_DistanceModifier)
{
}
cEntityEffect & cEntityEffect::operator =(cEntityEffect a_OtherEffect)
{
std::swap(m_Ticks, a_OtherEffect.m_Ticks);
std::swap(m_Duration, a_OtherEffect.m_Duration);
std::swap(m_Intensity, a_OtherEffect.m_Intensity);
std::swap(m_DistanceModifier, a_OtherEffect.m_DistanceModifier);
return *this;
}
cEntityEffect * cEntityEffect::CreateEntityEffect(cEntityEffect::eType a_EffectType, int a_Duration, short a_Intensity, double a_DistanceModifier)
{
switch (a_EffectType)
{
case cEntityEffect::effNoEffect: return new cEntityEffect (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effAbsorption: return new cEntityEffectAbsorption (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effBlindness: return new cEntityEffectBlindness (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effFireResistance: return new cEntityEffectFireResistance(a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effHaste: return new cEntityEffectHaste (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effHealthBoost: return new cEntityEffectHealthBoost (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effHunger: return new cEntityEffectHunger (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effInstantDamage: return new cEntityEffectInstantDamage (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effInstantHealth: return new cEntityEffectInstantHealth (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effInvisibility: return new cEntityEffectInvisibility (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effJumpBoost: return new cEntityEffectJumpBoost (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effMiningFatigue: return new cEntityEffectMiningFatigue (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effNausea: return new cEntityEffectNausea (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effNightVision: return new cEntityEffectNightVision (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effPoison: return new cEntityEffectPoison (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effRegeneration: return new cEntityEffectRegeneration (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effResistance: return new cEntityEffectResistance (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effSaturation: return new cEntityEffectSaturation (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effSlowness: return new cEntityEffectSlowness (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effSpeed: return new cEntityEffectSpeed (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effStrength: return new cEntityEffectStrength (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effWaterBreathing: return new cEntityEffectWaterBreathing(a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effWeakness: return new cEntityEffectWeakness (a_Duration, a_Intensity, a_DistanceModifier);
case cEntityEffect::effWither: return new cEntityEffectWither (a_Duration, a_Intensity, a_DistanceModifier);
}
ASSERT(!"Unhandled entity effect type!");
#ifndef __clang__
return nullptr;
#endif
}
void cEntityEffect::OnTick(cPawn & a_Target)
{
// Reduce the effect's duration
++m_Ticks;
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectSpeed:
void cEntityEffectSpeed::OnActivate(cPawn & a_Target)
{
if (a_Target.IsMob())
{
cMonster * Mob = reinterpret_cast<cMonster*>(&a_Target);
Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() + 0.2 * m_Intensity);
}
else if (a_Target.IsPlayer())
{
cPlayer * Player = reinterpret_cast<cPlayer*>(&a_Target);
Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() + 0.2 * m_Intensity);
Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() + 0.26 * m_Intensity);
Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() + 0.2 * m_Intensity);
}
}
void cEntityEffectSpeed::OnDeactivate(cPawn & a_Target)
{
if (a_Target.IsMob())
{
cMonster * Mob = reinterpret_cast<cMonster*>(&a_Target);
Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() - 0.2 * m_Intensity);
}
else if (a_Target.IsPlayer())
{
cPlayer * Player = reinterpret_cast<cPlayer*>(&a_Target);
Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() - 0.2 * m_Intensity);
Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() - 0.26 * m_Intensity);
Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() - 0.2 * m_Intensity);
}
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectSlowness:
void cEntityEffectSlowness::OnActivate(cPawn & a_Target)
{
if (a_Target.IsMob())
{
cMonster * Mob = static_cast<cMonster*>(&a_Target);
Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() - 0.15 * m_Intensity);
}
else if (a_Target.IsPlayer())
{
cPlayer * Player = static_cast<cPlayer*>(&a_Target);
Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() - 0.15 * m_Intensity);
Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() - 0.195 * m_Intensity);
Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() - 0.15 * m_Intensity);
}
}
void cEntityEffectSlowness::OnDeactivate(cPawn & a_Target)
{
if (a_Target.IsMob())
{
cMonster * Mob = static_cast<cMonster*>(&a_Target);
Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() + 0.15 * m_Intensity);
}
else if (a_Target.IsPlayer())
{
cPlayer * Player = static_cast<cPlayer*>(&a_Target);
Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() + 0.15 * m_Intensity);
Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() + 0.195 * m_Intensity);
Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() + 0.15 * m_Intensity);
}
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectInstantHealth:
void cEntityEffectInstantHealth::OnActivate(cPawn & a_Target)
{
// Base amount = 6, doubles for every increase in intensity
int amount = static_cast<int>(6 * (1 << m_Intensity) * m_DistanceModifier);
if (a_Target.IsMob() && reinterpret_cast<cMonster &>(a_Target).IsUndead())
{
a_Target.TakeDamage(dtPotionOfHarming, nullptr, amount, 0); // TODO: Store attacker in a pointer-safe way, pass to TakeDamage
return;
}
a_Target.Heal(amount);
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectInstantDamage:
void cEntityEffectInstantDamage::OnActivate(cPawn & a_Target)
{
// Base amount = 6, doubles for every increase in intensity
int amount = static_cast<int>(6 * (1 << m_Intensity) * m_DistanceModifier);
if (a_Target.IsMob() && reinterpret_cast<cMonster &>(a_Target).IsUndead())
{
a_Target.Heal(amount);
return;
}
a_Target.TakeDamage(dtPotionOfHarming, nullptr, amount, 0); // TODO: Store attacker in a pointer-safe way, pass to TakeDamage
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectRegeneration:
void cEntityEffectRegeneration::OnTick(cPawn & a_Target)
{
super::OnTick(a_Target);
if (a_Target.IsMob() && reinterpret_cast<cMonster &>(a_Target).IsUndead())
{
return;
}
// Regen frequency = 50 ticks, divided by potion level (Regen II = 25 ticks)
int frequency = FloorC(50.0 / static_cast<double>(m_Intensity + 1));
if ((m_Ticks % frequency) != 0)
{
return;
}
a_Target.Heal(1);
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectHunger:
void cEntityEffectHunger::OnTick(cPawn & a_Target)
{
super::OnTick(a_Target);
if (a_Target.IsPlayer())
{
cPlayer & Target = reinterpret_cast<cPlayer &>(a_Target);
Target.AddFoodExhaustion(0.025 * (static_cast<double>(GetIntensity()) + 1.0)); // 0.5 per second = 0.025 per tick
}
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectWeakness:
void cEntityEffectWeakness::OnTick(cPawn & a_Target)
{
super::OnTick(a_Target);
// Damage reduction = 0.5 damage, multiplied by potion level (Weakness II = 1 damage)
// double dmg_reduc = 0.5 * (a_Effect.GetIntensity() + 1);
// TODO: Implement me!
// TODO: Weakened villager zombies can be turned back to villagers with the god apple
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectPoison:
void cEntityEffectPoison::OnTick(cPawn & a_Target)
{
super::OnTick(a_Target);
if (a_Target.IsMob())
{
cMonster & Target = reinterpret_cast<cMonster &>(a_Target);
// Doesn't effect undead mobs, spiders
if (
Target.IsUndead() ||
(Target.GetMobType() == mtSpider) ||
(Target.GetMobType() == mtCaveSpider)
)
{
return;
}
}
// Poison frequency = 25 ticks, divided by potion level (Poison II = 12 ticks)
int frequency = FloorC(25.0 / static_cast<double>(m_Intensity + 1));
if ((m_Ticks % frequency) == 0)
{
// Cannot take poison damage when health is at 1
if (a_Target.GetHealth() > 1)
{
a_Target.TakeDamage(dtPoisoning, nullptr, 1, 0);
}
}
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectWither:
void cEntityEffectWither::OnTick(cPawn & a_Target)
{
super::OnTick(a_Target);
// Damage frequency = 40 ticks, divided by effect level (Wither II = 20 ticks)
int frequency = FloorC(25.0 / static_cast<double>(m_Intensity + 1));
if ((m_Ticks % frequency) == 0)
{
a_Target.TakeDamage(dtWither, nullptr, 1, 0);
}
}
////////////////////////////////////////////////////////////////////////////////
// cEntityEffectSaturation:
void cEntityEffectSaturation::OnTick(cPawn & a_Target)
{
if (a_Target.IsPlayer())
{
cPlayer & Target = reinterpret_cast<cPlayer &>(a_Target);
Target.SetFoodSaturationLevel(Target.GetFoodSaturationLevel() + (1 + m_Intensity)); // Increase saturation 1 per tick, adds 1 for every increase in level
}
}
View Git Blame Copy Permalink