flewkey/cuberite-2a
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Moved potion static functions to EntityEffect to create splash potions through world

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This commit is contained in:
archshift 2014-07-20 02:56:59 -07:00
parent 1595ef73dc
commit 0298d34406
7 changed files with 164 additions and 139 deletions
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124
src/Entities/EntityEffect.cpp
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@ -7,6 +7,130 @@
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 0x0c: return cEntityEffect::effInstantDamage;
case 0x0d: return cEntityEffect::effWaterBreathing;
case 0x0e: return cEntityEffect::effInvisibility;
// No effect potions
case 0x00:
case 0x07:
case 0x0b: // Will be potion of leaping in 1.8
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::effInvisibility:
{
base = 3600;
break;
}
case cEntityEffect::effWeakness:
case cEntityEffect::effSlowness:
{
base = 1800;
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 (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),

19
src/Entities/EntityEffect.h
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@ -36,6 +36,25 @@ public:
effSaturation = 23,
} ;
/** Returns the potion color (used by the client for visuals), based on the potion's damage value */
static int GetPotionColor(short a_ItemDamage);
/** Translates the potion's damage value into the entity effect that the potion gives */
static cEntityEffect::eType GetPotionEffectType(short a_ItemDamage);
/** Retrieves the intensity level from the potion's damage value.
Returns 0 for level I potions, 1 for level II potions. */
static short GetPotionEffectIntensity(short a_ItemDamage);
/** Returns the effect duration, in ticks, based on the potion's damage value */
static int GetPotionEffectDuration(short a_ItemDamage);
/** Returns true if the potion with the given damage is drinkable */
static bool IsPotionDrinkable(short a_ItemDamage);
// tolua_end
/** Creates an empty entity effect */

2
src/Entities/ProjectileEntity.cpp
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@ -22,6 +22,7 @@
#include "FireworkEntity.h"
#include "GhastFireballEntity.h"
#include "WitherSkullEntity.h"
#include "SplashPotionEntity.h"
#include "Player.h"
@ -263,6 +264,7 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator,
case pkGhastFireball: return new cGhastFireballEntity (a_Creator, a_X, a_Y, a_Z, Speed);
case pkFireCharge: return new cFireChargeEntity (a_Creator, a_X, a_Y, a_Z, Speed);
case pkExpBottle: return new cExpBottleEntity (a_Creator, a_X, a_Y, a_Z, Speed);
case pkSplashPotion: return new cSplashPotionEntity (a_Creator, a_X, a_Y, a_Z, Speed, *a_Item);
case pkWitherSkull: return new cWitherSkullEntity (a_Creator, a_X, a_Y, a_Z, Speed);
case pkFirework:
{

16
src/Entities/SplashPotionEntity.cpp
View File

@ -72,17 +72,21 @@ cSplashPotionEntity::cSplashPotionEntity(
cEntity * a_Creator,
double a_X, double a_Y, double a_Z,
const Vector3d & a_Speed,
cEntityEffect::eType a_EntityEffectType,
cEntityEffect a_EntityEffect,
int a_PotionColor
cItem a_Item
) :
super(pkSplashPotion, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25),
m_EntityEffectType(a_EntityEffectType),
m_EntityEffect(a_EntityEffect),
m_PotionColor(a_PotionColor),
m_EntityEffectType(cEntityEffect::effNoEffect),
m_EntityEffect(cEntityEffect()),
m_PotionColor(0),
m_DestroyTimer(-1)
{
SetSpeed(a_Speed);
m_EntityEffectType = cEntityEffect::GetPotionEffectType(a_Item.m_ItemDamage);
m_EntityEffect = cEntityEffect(
cEntityEffect::GetPotionEffectDuration(a_Item.m_ItemDamage),
cEntityEffect::GetPotionEffectIntensity(a_Item.m_ItemDamage)
);
m_PotionColor = cEntityEffect::GetPotionColor(a_Item.m_ItemDamage);
}

4
src/Entities/SplashPotionEntity.h
View File

@ -29,9 +29,7 @@ public:
cEntity * a_Creator,
double a_X, double a_Y, double a_Z,
const Vector3d & a_Speed,
cEntityEffect::eType a_EntityEffectType,
cEntityEffect a_EntityEffect,
int a_PotionColor
cItem a_Item
);
cEntityEffect::eType GetEntityEffectType(void) const { return m_EntityEffectType; }

136
src/Items/ItemPotion.h
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@ -17,126 +17,12 @@ public:
}
/** Returns the potion color (used by the client for visuals), based on the potion's damage value */
static int GetPotionColor(short a_ItemDamage)
{
// Lowest six bits
return (a_ItemDamage & 0x3f);
}
/** Translates the potion's damage value into the entity effect that the potion gives */
static cEntityEffect::eType GetEntityEffectType(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 0x0c: return cEntityEffect::effInstantDamage;
case 0x0d: return cEntityEffect::effWaterBreathing;
case 0x0e: return cEntityEffect::effInvisibility;
// No effect potions
case 0x00:
case 0x07:
case 0x0b: // Will be potion of leaping in 1.8
case 0x0f:
{
break;
}
}
return cEntityEffect::effNoEffect;
}
/** Retrieves the intensity level from the potion's damage value.
Returns 0 for level I potions, 1 for level II potions. */
static short GetEntityEffectIntensity(short a_ItemDamage)
{
// Level II potion if the fifth lowest bit is set
return ((a_ItemDamage & 0x20) != 0) ? 1 : 0;
}
/** Returns the effect duration, in ticks, based on the potion's damage value */
static int GetEntityEffectDuration(short a_ItemDamage)
{
// Base duration in ticks
int base = 0;
double TierCoeff = 1, ExtCoeff = 1, SplashCoeff = 1;
switch (GetEntityEffectType(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::effInvisibility:
{
base = 3600;
break;
}
case cEntityEffect::effWeakness:
case cEntityEffect::effSlowness:
{
base = 1800;
break;
}
}
// If potion is level II, half the duration. If not, stays the same
TierCoeff = (GetEntityEffectIntensity(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 (int)(base * TierCoeff * ExtCoeff * SplashCoeff);
}
/** Returns true if the potion with the given damage is drinkable */
static bool 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);
}
// cItemHandler overrides:
virtual bool IsDrinkable(short a_ItemDamage) override
{
// Drinkable potion if 13th lowest bit is set
// Ref.: http://minecraft.gamepedia.com/Potions#Data_value_table
return IsPotionDrinkable(a_ItemDamage);
return cEntityEffect::IsPotionDrinkable(a_ItemDamage);
}
@ -145,7 +31,7 @@ public:
short PotionDamage = a_Item.m_ItemDamage;
// Do not throw non-splash potions:
if (IsPotionDrinkable(PotionDamage))
if (cEntityEffect::IsPotionDrinkable(PotionDamage))
{
return false;
}
@ -153,20 +39,10 @@ public:
Vector3d Pos = a_Player->GetThrowStartPos();
Vector3d Speed = a_Player->GetLookVector() * 7;
cSplashPotionEntity * Projectile = new cSplashPotionEntity(
a_Player, Pos.x, Pos.y, Pos.z, Speed,
GetEntityEffectType(PotionDamage), cEntityEffect(GetEntityEffectDuration(PotionDamage),
GetEntityEffectIntensity(PotionDamage)), GetPotionColor(PotionDamage)
);
if (Projectile == NULL)
if (a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, cProjectileEntity::pkSplashPotion, a_Player, &a_Player->GetEquippedItem(), &Speed) < 0)
{
return false;
}
if (!Projectile->Initialize(*a_World))
{
delete Projectile;
return false;
}
if (!a_Player->IsGameModeCreative())
{
@ -182,12 +58,14 @@ public:
short PotionDamage = a_Item->m_ItemDamage;
// Do not drink undrinkable potions:
if (!IsDrinkable(a_Item->m_ItemDamage))
if (!cEntityEffect::IsPotionDrinkable(a_Item->m_ItemDamage))
{
return false;
}
a_Player->AddEntityEffect(GetEntityEffectType(PotionDamage), GetEntityEffectDuration(PotionDamage), GetEntityEffectIntensity(PotionDamage));
a_Player->AddEntityEffect(cEntityEffect::GetPotionEffectType(PotionDamage),
cEntityEffect::GetPotionEffectDuration(PotionDamage),
cEntityEffect::GetPotionEffectIntensity(PotionDamage));
a_Player->GetInventory().RemoveOneEquippedItem();
a_Player->GetInventory().AddItem(E_ITEM_GLASS_BOTTLE);
return true;

2
src/WorldStorage/WSSAnvil.cpp
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@ -1670,7 +1670,7 @@ void cWSSAnvil::LoadArrowFromNBT(cEntityList & a_Entities, const cParsedNBT & a_
void cWSSAnvil::LoadSplashPotionFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
{
std::auto_ptr<cSplashPotionEntity> SplashPotion(new cSplashPotionEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0), cEntityEffect::effNoEffect, cEntityEffect(), 0));
std::auto_ptr<cSplashPotionEntity> SplashPotion(new cSplashPotionEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0), cItem()));
if (!LoadProjectileBaseFromNBT(*SplashPotion.get(), a_NBT, a_TagIdx))
{
return;