4jcraft/Minecraft.World/Items/PotionItem.cpp
2026-03-22 00:10:15 -05:00

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#include "../Platform/stdafx.h"
#include "../Headers/net.minecraft.world.item.h"
#include "../Headers/net.minecraft.world.item.alchemy.h"
#include "../Headers/net.minecraft.world.effect.h"
#include "../Headers/net.minecraft.world.level.h"
#include "../Headers/net.minecraft.world.entity.ai.attributes.h"
#include "../Headers/net.minecraft.world.entity.player.h"
#include "../Headers/net.minecraft.world.entity.projectile.h"
#include "../Headers/net.minecraft.world.h"
#include "../Entities/MobEffectInstance.h"
#include "../Util/StringHelpers.h"
#include "../Util/SharedConstants.h"
#include "PotionItem.h"
#include "../Util/SoundTypes.h"
const std::wstring PotionItem::DEFAULT_ICON = L"potion";
const std::wstring PotionItem::THROWABLE_ICON = L"potion_splash";
const std::wstring PotionItem::CONTENTS_ICON = L"potion_contents";
// 4J Added
std::vector<std::pair<int, int> > PotionItem::s_uniquePotionValues;
PotionItem::PotionItem(int id) : Item(id) {
setMaxStackSize(1);
setStackedByData(true);
setMaxDamage(0);
iconThrowable = NULL;
iconDrinkable = NULL;
iconOverlay = NULL;
}
std::vector<MobEffectInstance*>* PotionItem::getMobEffects(
std::shared_ptr<ItemInstance> potion) {
if (!potion->hasTag() ||
!potion->getTag()->contains(L"CustomPotionEffects")) {
std::vector<MobEffectInstance*>* effects = NULL;
AUTO_VAR(it, cachedMobEffects.find(potion->getAuxValue()));
if (it != cachedMobEffects.end()) effects = it->second;
if (effects == NULL) {
effects = PotionBrewing::getEffects(potion->getAuxValue(), false);
cachedMobEffects[potion->getAuxValue()] = effects;
}
// Result should be a new (unmanaged) vector, so create a new one
return effects == NULL ? NULL
: new std::vector<MobEffectInstance*>(*effects);
} else {
std::vector<MobEffectInstance*>* effects =
new std::vector<MobEffectInstance*>();
ListTag<CompoundTag>* customList =
(ListTag<CompoundTag>*)potion->getTag()->getList(
L"CustomPotionEffects");
for (int i = 0; i < customList->size(); i++) {
CompoundTag* tag = customList->get(i);
effects->push_back(MobEffectInstance::load(tag));
}
return effects;
}
}
std::vector<MobEffectInstance*>* PotionItem::getMobEffects(int auxValue) {
std::vector<MobEffectInstance*>* effects = NULL;
AUTO_VAR(it, cachedMobEffects.find(auxValue));
if (it != cachedMobEffects.end()) effects = it->second;
if (effects == NULL) {
effects = PotionBrewing::getEffects(auxValue, false);
if (effects != NULL)
cachedMobEffects.insert(
std::pair<int, std::vector<MobEffectInstance*>*>(auxValue,
effects));
}
return effects;
}
std::shared_ptr<ItemInstance> PotionItem::useTimeDepleted(
std::shared_ptr<ItemInstance> instance, Level* level,
std::shared_ptr<Player> player) {
if (!player->abilities.instabuild) instance->count--;
if (!level->isClientSide) {
std::vector<MobEffectInstance*>* effects = getMobEffects(instance);
if (effects != NULL) {
// for (MobEffectInstance effect : effects)
for (AUTO_VAR(it, effects->begin()); it != effects->end(); ++it) {
player->addEffect(new MobEffectInstance(*it));
}
}
}
if (!player->abilities.instabuild) {
if (instance->count <= 0) {
return std::shared_ptr<ItemInstance>(
new ItemInstance(Item::glassBottle));
} else {
player->inventory->add(std::shared_ptr<ItemInstance>(
new ItemInstance(Item::glassBottle)));
}
}
return instance;
}
int PotionItem::getUseDuration(std::shared_ptr<ItemInstance> itemInstance) {
return DRINK_DURATION;
}
UseAnim PotionItem::getUseAnimation(
std::shared_ptr<ItemInstance> itemInstance) {
return UseAnim_drink;
}
bool PotionItem::TestUse(std::shared_ptr<ItemInstance> itemInstance,
Level* level, std::shared_ptr<Player> player) {
return true;
}
std::shared_ptr<ItemInstance> PotionItem::use(
std::shared_ptr<ItemInstance> instance, Level* level,
std::shared_ptr<Player> player) {
if (isThrowable(instance->getAuxValue())) {
if (!player->abilities.instabuild) instance->count--;
level->playEntitySound(player, eSoundType_RANDOM_BOW, 0.5f,
0.4f / (random->nextFloat() * 0.4f + 0.8f));
if (!level->isClientSide)
level->addEntity(std::shared_ptr<ThrownPotion>(
new ThrownPotion(level, player, instance->getAuxValue())));
return instance;
}
player->startUsingItem(instance, getUseDuration(instance));
return instance;
}
bool PotionItem::useOn(std::shared_ptr<ItemInstance> itemInstance,
std::shared_ptr<Player> player, Level* level, int x,
int y, int z, int face, float clickX, float clickY,
float clickZ, bool bTestUseOnOnly) {
return false;
}
Icon* PotionItem::getIcon(int auxValue) {
if (isThrowable(auxValue)) {
return iconThrowable;
}
return iconDrinkable;
}
Icon* PotionItem::getLayerIcon(int auxValue, int spriteLayer) {
if (spriteLayer == 0) {
return iconOverlay;
}
return Item::getLayerIcon(auxValue, spriteLayer);
}
bool PotionItem::isThrowable(int auxValue) {
return ((auxValue & PotionBrewing::THROWABLE_MASK) != 0);
}
int PotionItem::getColor(int data) {
return PotionBrewing::getColorValue(data, false);
}
int PotionItem::getColor(std::shared_ptr<ItemInstance> item, int spriteLayer) {
if (spriteLayer > 0) {
return 0xffffff;
}
return PotionBrewing::getColorValue(item->getAuxValue(), false);
}
bool PotionItem::hasMultipleSpriteLayers() { return true; }
bool PotionItem::hasInstantenousEffects(int itemAuxValue) {
std::vector<MobEffectInstance*>* mobEffects = getMobEffects(itemAuxValue);
if (mobEffects == NULL || mobEffects->empty()) {
return false;
}
// for (MobEffectInstance effect : mobEffects) {
for (AUTO_VAR(it, mobEffects->begin()); it != mobEffects->end(); ++it) {
MobEffectInstance* effect = *it;
if (MobEffect::effects[effect->getId()]->isInstantenous()) {
return true;
}
}
return false;
}
std::wstring PotionItem::getHoverName(
std::shared_ptr<ItemInstance> itemInstance) {
if (itemInstance->getAuxValue() == 0) {
return app.GetString(
IDS_ITEM_WATER_BOTTLE); // I18n.get("item.emptyPotion.name").trim();
}
std::wstring elementName = Item::getHoverName(itemInstance);
if (isThrowable(itemInstance->getAuxValue())) {
// elementName = I18n.get("potion.prefix.grenade").trim() + " " +
// elementName;
elementName = replaceAll(elementName, L"{*splash*}",
app.GetString(IDS_POTION_PREFIX_GRENADE));
} else {
elementName = replaceAll(elementName, L"{*splash*}", L"");
}
std::vector<MobEffectInstance*>* effects =
((PotionItem*)Item::potion)->getMobEffects(itemInstance);
if (effects != NULL && !effects->empty()) {
// String postfixString = effects.get(0).getDescriptionId();
// postfixString += ".postfix";
// return elementName + " " + I18n.get(postfixString).trim();
elementName = replaceAll(elementName, L"{*prefix*}", L"");
elementName = replaceAll(
elementName, L"{*postfix*}",
app.GetString(effects->at(0)->getPostfixDescriptionId()));
} else {
// String appearanceName =
// PotionBrewing.getAppearanceName(itemInstance.getAuxValue()); return
// I18n.get(appearanceName).trim() + " " + elementName;
elementName = replaceAll(elementName, L"{*prefix*}",
app.GetString(PotionBrewing::getAppearanceName(
itemInstance->getAuxValue())));
elementName = replaceAll(elementName, L"{*postfix*}", L"");
}
return elementName;
}
void PotionItem::appendHoverText(std::shared_ptr<ItemInstance> itemInstance,
std::shared_ptr<Player> player,
std::vector<HtmlString>* lines,
bool advanced) {
if (itemInstance->getAuxValue() == 0) {
return;
}
std::vector<MobEffectInstance*>* effects =
((PotionItem*)Item::potion)->getMobEffects(itemInstance);
attrAttrModMap modifiers;
if (effects != NULL && !effects->empty()) {
// for (MobEffectInstance effect : effects)
for (AUTO_VAR(it, effects->begin()); it != effects->end(); ++it) {
MobEffectInstance* effect = *it;
std::wstring effectString =
app.GetString(effect->getDescriptionId());
MobEffect* mobEffect = MobEffect::effects[effect->getId()];
std::unordered_map<Attribute*, AttributeModifier*>*
effectModifiers = mobEffect->getAttributeModifiers();
if (effectModifiers != NULL && effectModifiers->size() > 0) {
for (AUTO_VAR(it, effectModifiers->begin());
it != effectModifiers->end(); ++it) {
// 4J - anonymous modifiers added here are destroyed
// shortly?
AttributeModifier* original = it->second;
AttributeModifier* modifier = new AttributeModifier(
mobEffect->getAttributeModifierValue(
effect->getAmplifier(), original),
original->getOperation());
modifiers.insert(
std::pair<eATTRIBUTE_ID, AttributeModifier*>(
it->first->getId(), modifier));
}
}
// Don't want to delete this (that's a pointer to mobEffects
// internal vector of modifiers) delete effectModifiers;
if (effect->getAmplifier() > 0) {
std::wstring potencyString = L"";
switch (effect->getAmplifier()) {
case 1:
potencyString = L" ";
potencyString += app.GetString(IDS_POTION_POTENCY_1);
break;
case 2:
potencyString = L" ";
potencyString += app.GetString(IDS_POTION_POTENCY_2);
break;
case 3:
potencyString = L" ";
potencyString += app.GetString(IDS_POTION_POTENCY_3);
break;
default:
potencyString = app.GetString(IDS_POTION_POTENCY_0);
break;
}
effectString +=
potencyString; // + I18n.get("potion.potency." +
// effect.getAmplifier()).trim();
}
if (effect->getDuration() > SharedConstants::TICKS_PER_SECOND) {
effectString +=
L" (" + MobEffect::formatDuration(effect) + L")";
}
eMinecraftColour color = eMinecraftColour_NOT_SET;
if (mobEffect->isHarmful()) {
color = eHTMLColor_c;
} else {
color = eHTMLColor_7;
}
lines->push_back(HtmlString(effectString, color));
}
} else {
std::wstring effectString = app.GetString(
IDS_POTION_EMPTY); // I18n.get("potion.empty").trim();
lines->push_back(HtmlString(effectString, eHTMLColor_7)); //"<22>7"
}
if (!modifiers.empty()) {
// Add new line
lines->push_back(HtmlString(L""));
lines->push_back(HtmlString(app.GetString(IDS_POTION_EFFECTS_WHENDRANK),
eHTMLColor_5));
// Add modifier descriptions
for (AUTO_VAR(it, modifiers.begin()); it != modifiers.end(); ++it) {
// 4J: Moved modifier string building to AttributeModifier
lines->push_back(it->second->getHoverText(it->first));
}
}
}
bool PotionItem::isFoil(std::shared_ptr<ItemInstance> itemInstance) {
std::vector<MobEffectInstance*>* mobEffects = getMobEffects(itemInstance);
return mobEffects != NULL && !mobEffects->empty();
}
unsigned int PotionItem::getUseDescriptionId(
std::shared_ptr<ItemInstance> instance) {
int brew = instance->getAuxValue();
if (brew == 0)
return IDS_POTION_DESC_WATER_BOTTLE;
else if (MACRO_POTION_IS_REGENERATION(brew))
return IDS_POTION_DESC_REGENERATION;
else if (MACRO_POTION_IS_SPEED(brew))
return IDS_POTION_DESC_MOVESPEED;
else if (MACRO_POTION_IS_FIRE_RESISTANCE(brew))
return IDS_POTION_DESC_FIRERESISTANCE;
else if (MACRO_POTION_IS_INSTANTHEALTH(brew))
return IDS_POTION_DESC_HEAL;
else if (MACRO_POTION_IS_NIGHTVISION(brew))
return IDS_POTION_DESC_NIGHTVISION;
else if (MACRO_POTION_IS_INVISIBILITY(brew))
return IDS_POTION_DESC_INVISIBILITY;
else if (MACRO_POTION_IS_WEAKNESS(brew))
return IDS_POTION_DESC_WEAKNESS;
else if (MACRO_POTION_IS_STRENGTH(brew))
return IDS_POTION_DESC_DAMAGEBOOST;
else if (MACRO_POTION_IS_SLOWNESS(brew))
return IDS_POTION_DESC_MOVESLOWDOWN;
else if (MACRO_POTION_IS_POISON(brew))
return IDS_POTION_DESC_POISON;
else if (MACRO_POTION_IS_INSTANTDAMAGE(brew))
return IDS_POTION_DESC_HARM;
return IDS_POTION_DESC_EMPTY;
}
void PotionItem::registerIcons(IconRegister* iconRegister) {
iconDrinkable = iconRegister->registerIcon(DEFAULT_ICON);
iconThrowable = iconRegister->registerIcon(THROWABLE_ICON);
iconOverlay = iconRegister->registerIcon(CONTENTS_ICON);
}
Icon* PotionItem::getTexture(const std::wstring& name) {
if (name.compare(DEFAULT_ICON) == 0) return Item::potion->iconDrinkable;
if (name.compare(THROWABLE_ICON) == 0) return Item::potion->iconThrowable;
if (name.compare(CONTENTS_ICON) == 0) return Item::potion->iconOverlay;
return NULL;
}
// 4J Stu - Based loosely on a function that gets added in java much later on
// (1.3)
std::vector<std::pair<int, int> >* PotionItem::getUniquePotionValues() {
if (s_uniquePotionValues.empty()) {
for (int brew = 0; brew <= PotionBrewing::BREW_MASK; ++brew) {
std::vector<MobEffectInstance*>* effects =
PotionBrewing::getEffects(brew, false);
if (effects != NULL) {
if (!effects->empty()) {
// 4J Stu - Based on implementation of Java List.hashCode()
// at
// http://docs.oracle.com/javase/6/docs/api/java/util/List.html#hashCode()
// and adding deleting to clear up as we go
int effectsHashCode = 1;
for (AUTO_VAR(it, effects->begin()); it != effects->end();
++it) {
MobEffectInstance* mei = *it;
effectsHashCode = 31 * effectsHashCode +
(mei == NULL ? 0 : mei->hashCode());
delete (*it);
}
bool toAdd = true;
for (AUTO_VAR(it, s_uniquePotionValues.begin());
it != s_uniquePotionValues.end(); ++it) {
// Some potions hash the same (identical effects) but
// are throwable so account for that
if (it->first == effectsHashCode &&
!(!isThrowable(it->second) && isThrowable(brew))) {
toAdd = false;
break;
}
}
if (toAdd) {
s_uniquePotionValues.push_back(
std::pair<int, int>(effectsHashCode, brew));
}
}
delete effects;
}
}
}
return &s_uniquePotionValues;
}