Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/ServerPlayerGameMode_antiCheatMixin.java

@@ -0,0 +1,70 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.network.protocol.game.ServerboundPlayerActionPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.level.ServerPlayerGameMode;
+import net.minecraft.world.phys.Vec3;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(value = ServerPlayerGameMode.class, priority = 69420) // not that important for carpet
+public class ServerPlayerGameMode_antiCheatMixin
+{
+    /*
+    @ModifyConstant(method = "processBlockBreakingAction", require = 0,
+            constant = @Constant(doubleValue = 36D))
+    private double addDistance(double original) {
+        if (CarpetSettings.antiCheatDisabled)
+            return 1024D; // blocks 32 distance
+        return original;
+    }
+    */
+
+    // that shoudn't've been a constant at the first place
+    // resolves problems with mobs using reach entity attributes.
+
+    @Redirect(method = "handleBlockBreakAction", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/server/level/ServerPlayer;getX()D"
+            ))
+    private double getXX(ServerPlayer player,
+                         BlockPos pos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight)
+    {
+        if (CarpetSettings.antiCheatDisabled &&
+                player.position().add(0, 1.5, 0).distanceToSqr(Vec3.atCenterOf(pos)) < 1024
+        ) return pos.getX()+0.5;
+        return player.getX();
+    }
+
+    @Redirect(method = "handleBlockBreakAction", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/server/level/ServerPlayer;getY()D"
+    ))
+    private double getYY(ServerPlayer player,
+                         BlockPos pos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight)
+    {
+        if (CarpetSettings.antiCheatDisabled &&
+                player.position().add(0, 1.5, 0).distanceToSqr(Vec3.atCenterOf(pos)) < 1024
+        ) return pos.getY()-1.0;
+        return player.getY();
+    }
+
+    @Redirect(method = "handleBlockBreakAction", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/server/level/ServerPlayer;getZ()D"
+    ))
+    private double getZZ(ServerPlayer player,
+                         BlockPos pos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight)
+    {
+        if (CarpetSettings.antiCheatDisabled &&
+                player.position().add(0, 1.5, 0).distanceToSqr(Vec3.atCenterOf(pos)) < 1024
+        ) return pos.getZ()+0.5;
+        return player.getZ();
+    }
+
+
+}