新增虎头湛金枪

Author: Misakait

src/main/java/xyz/lisbammisakait/item/HutouzhanjinqiangItem.java

@@ -1,19 +1,76 @@
 package xyz.lisbammisakait.item;
 
+import net.minecraft.block.Blocks;
+import net.minecraft.block.enums.BlockHalf;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.SwordItem;
 import net.minecraft.item.ToolMaterial;
+import net.minecraft.network.packet.s2c.play.PositionFlag;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 import xyz.lisbammisakait.RelightTheThreePointStrategy;
+import xyz.lisbammisakait.tools.SafeTp;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Set;
+
+
 
 public class HutouzhanjinqiangItem extends SwordItem {
     public HutouzhanjinqiangItem(ToolMaterial material, float attackDamage, float attackSpeed, Settings settings) {
         super(material, attackDamage, attackSpeed, settings);
-
     }
+    @Override
+    public boolean postHit(ItemStack stack, LivingEntity target, LivingEntity attacker) {
+        // 计算从攻击者指向被攻击者的方向向量
+        Vec3d direction = target.getPos().subtract(attacker.getPos());
+        // 对方向向量进行归一化，得到单位方向向量
+        Vec3d normalizedDirection = direction.normalize();
+
+        // 计算三格的偏移量
+        Vec3d offset = normalizedDirection.multiply(3);
 
+        // 获取攻击者当前的位置
+        Vec3d currentPosition = attacker.getPos();
+        // 计算目标位置，即当前位置加上偏移量
+        Vec3d targetPosition = currentPosition.add(offset);
 
+        // 获取攻击者所在的世界
+        ServerWorld world = (ServerWorld) attacker.getWorld();
+
+        // 这里简单使用空的标志集合，你可以根据需求修改
+        Set<PositionFlag> flags = Collections.emptySet();
+
+        // 计算攻击者面对被攻击者的偏航角和俯仰角
+        double dx = target.getX() - attacker.getX();
+        double dz = target.getZ() - attacker.getZ();
+        double dy = target.getY() - attacker.getY();
+
+        float yaw = (float) (Math.atan2(dz, dx) * 180 / Math.PI) - 90;
+        float pitch = (float) -(Math.atan2(dy, Math.sqrt(dx * dx + dz * dz)) * 180 / Math.PI);
+
+        // 不重置相机
+        boolean resetCamera = false;
+        // 调用 teleport 方法将攻击者传送到目标位置，并设置朝向
+//        attacker.teleport(world, targetPosition.getX(), targetPosition.getY(), targetPosition.getZ(), flags, yaw, pitch, resetCamera);
+        SafeTp.safeTp(attacker, world, targetPosition.getX(), targetPosition.getY(), targetPosition.getZ(), flags, yaw, pitch, resetCamera);
+        RelightTheThreePointStrategy.LOGGER.info("攻击者传送到目标位置");
+        return super.postHit(stack, target, attacker);
+    }
+//    private boolean isSafeLocation(BlockView world, BlockPos pos) {
+//        if (world.getBlockState(pos).isAir() && world.getBlockState(pos.up()).isAir()) {
+//            return true;
+//        }
+//        if(world.getBlockState(pos).getBlock() == Blocks.LIGHT && world.getBlockState(pos.up()).getBlock() == Blocks.LIGHT){
+//            return true;
+//        }
+//        return false;
+//    }
 
 
 

src/main/java/xyz/lisbammisakait/tools/SafeTp.java

@@ -0,0 +1,47 @@
+package xyz.lisbammisakait.tools;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.network.packet.s2c.play.PositionFlag;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.BlockView;
+import xyz.lisbammisakait.RelightTheThreePointStrategy;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SafeTp {
+    //定义例外方块
+    private static final Set<Block> ADDITIONAL_PASSABLE_BLOCKS = new HashSet<>(Arrays.asList(
+            Blocks.LIGHT
+    ));
+
+    private static boolean isSafeLocation(BlockView world, BlockPos pos) {
+        return isPassable(world, pos) && isPassable(world, pos.up());
+    }
+
+    private static boolean isPassable(BlockView world, BlockPos pos) {
+        BlockState blockState = world.getBlockState(pos);
+        Block block = blockState.getBlock();
+//        if (blockState.isAir()) {
+//            return true;
+//        }
+        // 检查方块是否在额外可通过方块集合中
+        if (ADDITIONAL_PASSABLE_BLOCKS.contains(block)) {
+            return true;
+        }
+        // 检查方块是否为非实心方块
+        return !blockState.isSolidBlock(world, pos);
+    }
+    public static boolean safeTp(LivingEntity TpMan, ServerWorld world, double destX, double destY, double destZ, Set<PositionFlag> flags, float yaw, float pitch, boolean resetCamera) {
+        if(!isSafeLocation(world, new BlockPos((int) destX, (int) destY, (int) destZ))){
+            RelightTheThreePointStrategy.LOGGER.info("传送失败，目标位置不安全");
+            return false;
+        }
+        return TpMan.teleport(world, destX, destY, destZ, flags, yaw, pitch, resetCamera);
+    }
+}