4jcraft/targets/app/common/GameRules/LevelRules/RuleDefinitions/AddEnchantmentRuleDefinition.cpp

78 lines
3 KiB
C++

#include "AddEnchantmentRuleDefinition.h"
#include <algorithm>
#include <vector>
#include "app/common/GameRules/ConsoleGameRulesConstants.h"
#include "app/common/GameRules/LevelRules/RuleDefinitions/GameRuleDefinition.h"
#include "app/linux/LinuxGame.h"
#include "util/StringHelpers.h"
#include "java/InputOutputStream/DataOutputStream.h"
#include "minecraft/world/item/EnchantedBookItem.h"
#include "minecraft/world/item/Item.h"
#include "minecraft/world/item/ItemInstance.h"
#include "minecraft/world/item/enchantment/Enchantment.h"
#include "minecraft/world/item/enchantment/EnchantmentCategory.h"
#include "minecraft/world/item/enchantment/EnchantmentInstance.h"
AddEnchantmentRuleDefinition::AddEnchantmentRuleDefinition() {
m_enchantmentId = m_enchantmentLevel = 0;
}
void AddEnchantmentRuleDefinition::writeAttributes(DataOutputStream* dos,
unsigned int numAttributes) {
GameRuleDefinition::writeAttributes(dos, numAttributes + 2);
ConsoleGameRules::write(dos, ConsoleGameRules::eGameRuleAttr_enchantmentId);
dos->writeUTF(toWString(m_enchantmentId));
ConsoleGameRules::write(dos,
ConsoleGameRules::eGameRuleAttr_enchantmentLevel);
dos->writeUTF(toWString(m_enchantmentLevel));
}
void AddEnchantmentRuleDefinition::addAttribute(
const std::string& attributeName, const std::string& attributeValue) {
if (attributeName.compare("enchantmentId") == 0) {
int value = fromWString<int>(attributeValue);
if (value < 0) value = 0;
if (value >= 256) value = 255;
m_enchantmentId = value;
app.DebugPrintf(
"AddEnchantmentRuleDefinition: Adding parameter enchantmentId=%d\n",
m_enchantmentId);
} else if (attributeName.compare("enchantmentLevel") == 0) {
int value = fromWString<int>(attributeValue);
if (value < 0) value = 0;
m_enchantmentLevel = value;
app.DebugPrintf(
"AddEnchantmentRuleDefinition: Adding parameter "
"enchantmentLevel=%d\n",
m_enchantmentLevel);
} else {
GameRuleDefinition::addAttribute(attributeName, attributeValue);
}
}
bool AddEnchantmentRuleDefinition::enchantItem(
std::shared_ptr<ItemInstance> item) {
bool enchanted = false;
if (item != nullptr) {
// 4J-JEV: Ripped code from enchantmenthelpers
// Maybe we want to add an addEnchantment method to EnchantmentHelpers
if (item->id == Item::enchantedBook_Id) {
Item::enchantedBook->addEnchantment(
item,
new EnchantmentInstance(m_enchantmentId, m_enchantmentLevel));
} else if (item->isEnchantable()) {
Enchantment* e = Enchantment::enchantments[m_enchantmentId];
if (e != nullptr && e->category->canEnchant(item->getItem())) {
int level = std::min(e->getMaxLevel(), m_enchantmentLevel);
item->enchant(e, m_enchantmentLevel);
enchanted = true;
}
}
}
return enchanted;
}