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authorMattes D <github@xoft.cz>2014-07-26 16:47:11 +0200
committerMattes D <github@xoft.cz>2014-07-26 16:47:11 +0200
commit56f417494390ade84dd64167b1d62d28068b790c (patch)
tree7db4a59db1874bf9250e8c2c9bf3271e5a5ae67c /src/Entities
parentMerge pull request #1207 from Howaner/Inventory (diff)
parentSplashPotionEntity: Use `const cItem &` instead of a cItem (diff)
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Diffstat (limited to 'src/Entities')
-rw-r--r--src/Entities/EntityEffect.cpp124
-rw-r--r--src/Entities/EntityEffect.h18
-rw-r--r--src/Entities/ProjectileEntity.cpp2
-rw-r--r--src/Entities/SplashPotionEntity.cpp13
-rw-r--r--src/Entities/SplashPotionEntity.h4
5 files changed, 152 insertions, 9 deletions
diff --git a/src/Entities/EntityEffect.cpp b/src/Entities/EntityEffect.cpp
index 6c4b13a58..fdcbe822e 100644
--- a/src/Entities/EntityEffect.cpp
+++ b/src/Entities/EntityEffect.cpp
@@ -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),
diff --git a/src/Entities/EntityEffect.h b/src/Entities/EntityEffect.h
index 396a9bbe0..f9c1e4eb2 100644
--- a/src/Entities/EntityEffect.h
+++ b/src/Entities/EntityEffect.h
@@ -36,6 +36,24 @@ 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 */
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index b5e81bc0c..43023ec28 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -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:
{
diff --git a/src/Entities/SplashPotionEntity.cpp b/src/Entities/SplashPotionEntity.cpp
index 6d874e957..fd1a0179b 100644
--- a/src/Entities/SplashPotionEntity.cpp
+++ b/src/Entities/SplashPotionEntity.cpp
@@ -72,17 +72,18 @@ 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
+ const 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_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);
}
diff --git a/src/Entities/SplashPotionEntity.h b/src/Entities/SplashPotionEntity.h
index dd14ea82f..4afc5f204 100644
--- a/src/Entities/SplashPotionEntity.h
+++ b/src/Entities/SplashPotionEntity.h
@@ -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
+ const cItem & a_Item
);
cEntityEffect::eType GetEntityEffectType(void) const { return m_EntityEffectType; }