47 lines
2.1 KiB
Java
47 lines
2.1 KiB
Java
// SPDX-FileCopyrightText: 2023 The CC: Tweaked Developers
|
|
//
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package dan200.computercraft.mixin;
|
|
|
|
import dan200.computercraft.shared.platform.FakePlayer;
|
|
import net.minecraft.world.entity.player.Player;
|
|
import net.minecraft.world.item.Item;
|
|
import net.minecraft.world.level.ClipContext;
|
|
import net.minecraft.world.level.Level;
|
|
import net.minecraft.world.phys.BlockHitResult;
|
|
import org.spongepowered.asm.mixin.Mixin;
|
|
import org.spongepowered.asm.mixin.Unique;
|
|
import org.spongepowered.asm.mixin.injection.At;
|
|
import org.spongepowered.asm.mixin.injection.Inject;
|
|
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
|
|
|
|
@Mixin(Item.class)
|
|
class ItemMixin {
|
|
/**
|
|
* Replace the reach distance in {@link Item#getPlayerPOVHitResult(Level, Player, ClipContext.Fluid)}.
|
|
*
|
|
* @param level The current level.
|
|
* @param player The current player.
|
|
* @param fluidMode The current clip-context fluid mode.
|
|
* @param cir Callback info to store the new reach distance.
|
|
* @see FakePlayer#getBlockReach()
|
|
*/
|
|
@Inject(method = "getPlayerPOVHitResult", at = @At("HEAD"), cancellable = true)
|
|
@SuppressWarnings("UnusedMethod")
|
|
private static void getReachDistance(Level level, Player player, ClipContext.Fluid fluidMode, CallbackInfoReturnable<BlockHitResult> cir) {
|
|
// It would theoretically be cleaner to use @ModifyConstant here, but as it's treated as a @Redirect, it doesn't
|
|
// compose with other mods. Instead, we replace the method when working with our fake player.
|
|
if (player instanceof FakePlayer fp) cir.setReturnValue(getHitResult(level, fp, fluidMode));
|
|
}
|
|
|
|
@Unique
|
|
private static BlockHitResult getHitResult(Level level, FakePlayer player, ClipContext.Fluid fluidMode) {
|
|
var start = player.getEyePosition();
|
|
var reach = player.getBlockReach();
|
|
var direction = player.getViewVector(1.0f);
|
|
var end = start.add(direction.x() * reach, direction.y() * reach, direction.z() * reach);
|
|
return level.clip(new ClipContext(start, end, ClipContext.Block.OUTLINE, fluidMode, player));
|
|
}
|
|
}
|