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-rw-r--r--src/Items/ItemHandler.cpp44
-rw-r--r--src/Items/ItemHandler.h5
-rw-r--r--src/Items/ItemMilk.h28
-rw-r--r--src/Items/ItemPotion.h199
4 files changed, 247 insertions, 29 deletions
diff --git a/src/Items/ItemHandler.cpp b/src/Items/ItemHandler.cpp
index 423039cf4..85406c826 100644
--- a/src/Items/ItemHandler.cpp
+++ b/src/Items/ItemHandler.cpp
@@ -19,6 +19,7 @@
#include "ItemCloth.h"
#include "ItemComparator.h"
#include "ItemDoor.h"
+#include "ItemMilk.h"
#include "ItemDye.h"
#include "ItemEmptyMap.h"
#include "ItemFishingRod.h"
@@ -34,6 +35,7 @@
#include "ItemNetherWart.h"
#include "ItemPainting.h"
#include "ItemPickaxe.h"
+#include "ItemPotion.h"
#include "ItemThrowable.h"
#include "ItemRedstoneDust.h"
#include "ItemRedstoneRepeater.h"
@@ -120,9 +122,11 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
case E_ITEM_FLOWER_POT: return new cItemFlowerPotHandler(a_ItemType);
case E_BLOCK_LILY_PAD: return new cItemLilypadHandler(a_ItemType);
case E_ITEM_MAP: return new cItemMapHandler();
+ case E_ITEM_MILK: return new cItemMilkHandler();
case E_ITEM_ITEM_FRAME: return new cItemItemFrameHandler(a_ItemType);
case E_ITEM_NETHER_WART: return new cItemNetherWartHandler(a_ItemType);
case E_ITEM_PAINTING: return new cItemPaintingHandler(a_ItemType);
+ case E_ITEM_POTIONS: return new cItemPotionHandler();
case E_ITEM_REDSTONE_DUST: return new cItemRedstoneDustHandler(a_ItemType);
case E_ITEM_REDSTONE_REPEATER: return new cItemRedstoneRepeaterHandler(a_ItemType);
case E_ITEM_SHEARS: return new cItemShearsHandler(a_ItemType);
@@ -470,33 +474,17 @@ bool cItemHandler::IsTool()
bool cItemHandler::IsFood(void)
{
- switch (m_ItemType)
- {
- case E_ITEM_RED_APPLE:
- case E_ITEM_GOLDEN_APPLE:
- case E_ITEM_MUSHROOM_SOUP:
- case E_ITEM_BREAD:
- case E_ITEM_RAW_PORKCHOP:
- case E_ITEM_COOKED_PORKCHOP:
- case E_ITEM_MILK:
- case E_ITEM_RAW_FISH:
- case E_ITEM_COOKED_FISH:
- case E_ITEM_COOKIE:
- case E_ITEM_MELON_SLICE:
- case E_ITEM_RAW_BEEF:
- case E_ITEM_STEAK:
- case E_ITEM_RAW_CHICKEN:
- case E_ITEM_COOKED_CHICKEN:
- case E_ITEM_ROTTEN_FLESH:
- case E_ITEM_SPIDER_EYE:
- case E_ITEM_CARROT:
- case E_ITEM_POTATO:
- case E_ITEM_BAKED_POTATO:
- case E_ITEM_POISONOUS_POTATO:
- {
- return true;
- }
- } // switch (m_ItemType)
+ return false;
+}
+
+
+
+
+
+bool cItemHandler::IsDrinkable(short a_ItemDamage)
+{
+ UNUSED(a_ItemDamage);
+
return false;
}
@@ -580,7 +568,7 @@ bool cItemHandler::EatItem(cPlayer * a_Player, cItem * a_Item)
cFastRandom r1;
if ((r1.NextInt(100, a_Player->GetUniqueID()) - Info.PoisonChance) <= 0)
{
- a_Player->FoodPoison(300);
+ a_Player->FoodPoison(600); // Give the player food poisoning for 30 seconds.
}
}
diff --git a/src/Items/ItemHandler.h b/src/Items/ItemHandler.h
index e13198cd7..cffca11ab 100644
--- a/src/Items/ItemHandler.h
+++ b/src/Items/ItemHandler.h
@@ -82,6 +82,9 @@ public:
/** Indicates if this item is food */
virtual bool IsFood(void);
+ /** Indicates if this item is drinkable */
+ virtual bool IsDrinkable(short a_ItemDamage);
+
/** Blocks simply get placed */
virtual bool IsPlaceable(void);
@@ -99,7 +102,7 @@ public:
BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
);
- /** Returns whether this tool/item can harvest a specific block (e.g. wooden pickaxe can harvest stone, but wood can�t) DEFAULT: False */
+ /** Returns whether this tool/item can harvest a specific block (e.g. wooden pickaxe can harvest stone, but wood can't) DEFAULT: False */
virtual bool CanHarvestBlock(BLOCKTYPE a_BlockType);
static cItemHandler * GetItemHandler(int a_ItemType);
diff --git a/src/Items/ItemMilk.h b/src/Items/ItemMilk.h
new file mode 100644
index 000000000..db7bc13be
--- /dev/null
+++ b/src/Items/ItemMilk.h
@@ -0,0 +1,28 @@
+
+#pragma once
+
+class cItemMilkHandler:
+ public cItemHandler
+{
+ typedef cItemHandler super;
+public:
+ cItemMilkHandler():
+ super(E_ITEM_MILK)
+ {
+ }
+
+ virtual bool IsDrinkable(short a_ItemDamage) override
+ {
+ UNUSED(a_ItemDamage);
+ return true;
+ }
+
+ virtual bool EatItem(cPlayer * a_Player, cItem * a_Item) override
+ {
+ UNUSED(a_Item);
+ a_Player->ClearEntityEffects();
+ a_Player->GetInventory().RemoveOneEquippedItem();
+ a_Player->GetInventory().AddItem(E_ITEM_BUCKET);
+ return true;
+ }
+};
diff --git a/src/Items/ItemPotion.h b/src/Items/ItemPotion.h
new file mode 100644
index 000000000..f3afbf99b
--- /dev/null
+++ b/src/Items/ItemPotion.h
@@ -0,0 +1,199 @@
+
+#pragma once
+
+#include "../Entities/EntityEffect.h"
+#include "../Entities/SplashPotionEntity.h"
+
+class cItemPotionHandler:
+ public cItemHandler
+{
+ typedef cItemHandler super;
+
+public:
+
+ cItemPotionHandler():
+ super(E_ITEM_POTION)
+ {
+ }
+
+
+ /** Returns the potion particle type (used by the client for visuals), based on the potion's damage value */
+ static int GetPotionParticleType(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);
+ }
+
+
+ virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) override
+ {
+ short PotionDamage = a_Item.m_ItemDamage;
+
+ // Do not throw non-splash potions:
+ if (IsPotionDrinkable(PotionDamage))
+ {
+ return false;
+ }
+
+ 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)), GetPotionParticleType(PotionDamage)
+ );
+ if (Projectile == NULL)
+ {
+ return false;
+ }
+ if (!Projectile->Initialize(*a_World))
+ {
+ delete Projectile;
+ return false;
+ }
+
+ if (!a_Player->IsGameModeCreative())
+ {
+ a_Player->GetInventory().RemoveOneEquippedItem();
+ }
+
+ return true;
+ }
+
+
+ virtual bool EatItem(cPlayer * a_Player, cItem * a_Item) override
+ {
+ short PotionDamage = a_Item->m_ItemDamage;
+
+ // Do not drink undrinkable potions:
+ if (!IsDrinkable(a_Item->m_ItemDamage))
+ {
+ return false;
+ }
+
+ a_Player->AddEntityEffect(GetEntityEffectType(PotionDamage), GetEntityEffectDuration(PotionDamage), GetEntityEffectIntensity(PotionDamage));
+ a_Player->GetInventory().RemoveOneEquippedItem();
+ a_Player->GetInventory().AddItem(E_ITEM_GLASS_BOTTLE);
+ return true;
+ }
+};
+
+
+
+
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