mirror of https://github.com/cabaletta/baritone
207 lines
7.3 KiB
Java
207 lines
7.3 KiB
Java
/*
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* This file is part of Baritone.
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*
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* Baritone is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Baritone is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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package baritone.utils;
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import baritone.Baritone;
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import net.minecraft.block.Block;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.client.entity.EntityPlayerSP;
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import net.minecraft.enchantment.EnchantmentHelper;
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import net.minecraft.init.Enchantments;
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import net.minecraft.init.MobEffects;
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import net.minecraft.item.Item.ToolMaterial;
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import net.minecraft.item.ItemStack;
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import net.minecraft.item.ItemTool;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.function.Function;
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/**
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* A cached list of the best tools on the hotbar for any block
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*
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* @author Avery, Brady, leijurv
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*/
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public class ToolSet {
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/**
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* A cache mapping a {@link Block} to how long it will take to break
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* with this toolset, given the optimum tool is used.
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*/
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private final Map<Block, Double> breakStrengthCache;
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/**
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* My buddy leijurv owned me so we have this to not create a new lambda instance.
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*/
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private final Function<Block, Double> backendCalculation;
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private final EntityPlayerSP player;
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public ToolSet(EntityPlayerSP player) {
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breakStrengthCache = new HashMap<>();
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this.player = player;
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if (Baritone.settings().considerPotionEffects.value) {
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double amplifier = potionAmplifier();
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Function<Double, Double> amplify = x -> amplifier * x;
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backendCalculation = amplify.compose(this::getBestDestructionTime);
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} else {
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backendCalculation = this::getBestDestructionTime;
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}
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}
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/**
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* Using the best tool on the hotbar, how fast we can mine this block
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*
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* @param state the blockstate to be mined
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* @return the speed of how fast we'll mine it. 1/(time in ticks)
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*/
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public double getStrVsBlock(IBlockState state) {
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return breakStrengthCache.computeIfAbsent(state.getBlock(), backendCalculation);
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}
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/**
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* Evaluate the material cost of a possible tool. The priority matches the
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* listed order in the Item.ToolMaterial enum.
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*
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* @param itemStack a possibly empty ItemStack
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* @return values range from -1 to 4
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*/
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private int getMaterialCost(ItemStack itemStack) {
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if (itemStack.getItem() instanceof ItemTool) {
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ItemTool tool = (ItemTool) itemStack.getItem();
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return ToolMaterial.valueOf(tool.getToolMaterialName()).ordinal();
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} else {
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return -1;
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}
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}
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public boolean hasSilkTouch(ItemStack stack) {
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return EnchantmentHelper.getEnchantmentLevel(Enchantments.SILK_TOUCH, stack) > 0;
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}
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/**
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* Calculate which tool on the hotbar is best for mining
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*
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* @param b the blockstate to be mined
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* @return An int containing the index in the tools array that worked best
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*/
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public int getBestSlot(Block b, boolean preferSilkTouch) {
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int best = 0;
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double highestSpeed = Double.NEGATIVE_INFINITY;
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int lowestCost = Integer.MIN_VALUE;
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boolean bestSilkTouch = false;
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IBlockState blockState = b.getDefaultState();
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for (int i = 0; i < 9; i++) {
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ItemStack itemStack = player.inventory.getStackInSlot(i);
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double speed = calculateSpeedVsBlock(itemStack, blockState);
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boolean silkTouch = hasSilkTouch(itemStack);
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if (speed > highestSpeed) {
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highestSpeed = speed;
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best = i;
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lowestCost = getMaterialCost(itemStack);
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bestSilkTouch = silkTouch;
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} else if (speed == highestSpeed) {
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int cost = getMaterialCost(itemStack);
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if ((cost < lowestCost && (silkTouch || !bestSilkTouch)) ||
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(preferSilkTouch && !bestSilkTouch && silkTouch)) {
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highestSpeed = speed;
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best = i;
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lowestCost = cost;
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bestSilkTouch = silkTouch;
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}
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}
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}
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return best;
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}
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/**
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* Calculate how effectively a block can be destroyed
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*
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* @param b the blockstate to be mined
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* @return A double containing the destruction ticks with the best tool
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*/
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private double getBestDestructionTime(Block b) {
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ItemStack stack = player.inventory.getStackInSlot(getBestSlot(b, false));
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return calculateSpeedVsBlock(stack, b.getDefaultState()) * avoidanceMultiplier(b);
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}
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private double avoidanceMultiplier(Block b) {
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return Baritone.settings().blocksToAvoidBreaking.value.contains(b) ? 0.1 : 1;
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}
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/**
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* Calculates how long would it take to mine the specified block given the best tool
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* in this toolset is used. A negative value is returned if the specified block is unbreakable.
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*
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* @param item the item to mine it with
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* @param state the blockstate to be mined
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* @return how long it would take in ticks
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*/
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public static double calculateSpeedVsBlock(ItemStack item, IBlockState state) {
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float hardness = state.getBlockHardness(null, null);
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if (hardness < 0) {
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return -1;
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}
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float speed = item.getDestroySpeed(state);
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if (speed > 1) {
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int effLevel = EnchantmentHelper.getEnchantmentLevel(Enchantments.EFFICIENCY, item);
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if (effLevel > 0 && !item.isEmpty()) {
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speed += effLevel * effLevel + 1;
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}
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}
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speed /= hardness;
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if (state.getMaterial().isToolNotRequired() || (!item.isEmpty() && item.canHarvestBlock(state))) {
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return speed / 30;
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} else {
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return speed / 100;
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}
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}
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/**
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* Calculates any modifier to breaking time based on status effects.
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*
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* @return a double to scale block breaking speed.
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*/
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private double potionAmplifier() {
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double speed = 1;
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if (player.isPotionActive(MobEffects.HASTE)) {
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speed *= 1 + (player.getActivePotionEffect(MobEffects.HASTE).getAmplifier() + 1) * 0.2;
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}
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if (player.isPotionActive(MobEffects.MINING_FATIGUE)) {
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switch (player.getActivePotionEffect(MobEffects.MINING_FATIGUE).getAmplifier()) {
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case 0:
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speed *= 0.3;
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break;
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case 1:
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speed *= 0.09;
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break;
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case 2:
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speed *= 0.0027; // you might think that 0.09*0.3 = 0.027 so that should be next, that would make too much sense. it's 0.0027.
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break;
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default:
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speed *= 0.00081;
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break;
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}
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}
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return speed;
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}
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}
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