first commit

Assets/Scripts/LiquidPourer.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class LiquidPourer : MonoBehaviour
+{
+    [SerializeField] private HandController _handController;
+    [SerializeField] private KeyCode _pourKey = KeyCode.E;
+
+    void Update()
+    {
+        if (!Input.GetKeyDown(_pourKey)) return;
+
+        Transform right = _handController.RightHeldObject;
+        Transform left = _handController.LeftHeldObject;
+
+        if (right == null || left == null) return;
+        if (!right.CompareTag("Liquid") || !left.CompareTag("Liquid")) return;
+
+        LiquidContainer containerRight = right.GetComponent<LiquidContainer>()
+            ?? right.GetComponentInParent<LiquidContainer>()
+            ?? right.GetComponentInChildren<LiquidContainer>();
+
+        LiquidContainer containerLeft = left.GetComponent<LiquidContainer>()
+            ?? left.GetComponentInParent<LiquidContainer>()
+            ?? left.GetComponentInChildren<LiquidContainer>();
+
+        if (containerRight == null || containerLeft == null) return;
+
+        LiquidContainer source = null;
+        LiquidContainer target = null;
+
+        if (!containerRight.IsEmpty() && !containerLeft.IsFull())
+        {
+            source = containerRight;
+            target = containerLeft;
+        }
+        else if (!containerLeft.IsEmpty() && !containerRight.IsFull())
+        {
+            source = containerLeft;
+            target = containerRight;
+        }
+
+        if (source == null || target == null) return;
+
+        float sourceRealLiters = source.amount * source.capacity;
+        float targetFreeSpace = (1f - target.amount) * target.capacity;
+
+        float transferLiters = Mathf.Min(sourceRealLiters, targetFreeSpace);
+        if (transferLiters <= 0f) return;
+
+        float sourceRemoveAmount = transferLiters / source.capacity;
+        float targetAddAmount = transferLiters / target.capacity;
+
+        Color pouringColor = source.color;
+        float pouringDensity = source.density;
+        LiquidContainer.LiquidType pouringType = source.liquidType;
+
+        source.RemoveLiquid(sourceRemoveAmount);
+        target.AddLiquid(pouringColor, targetAddAmount, pouringDensity, pouringType);
+    }
+}