1 files changed, 105 insertions, 0 deletions
diff --git a/Assets/Scripts/AbilitySystem/Conditions/ConditionBase.cs b/Assets/Scripts/AbilitySystem/Conditions/ConditionBase.cs
new file mode 100644
index 00000000..c14624ad
--- /dev/null
+++ b/Assets/Scripts/AbilitySystem/Conditions/ConditionBase.cs
@@ -0,0 +1,105 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+/// <summary>
+/// 触发条件基类
+/// </summary>
+public abstract class ConditionBase
+{
+
+    public ConditionBase()
+    {
+    }
+
+    public abstract bool Evaluate();
+
+}
+
+
+/// <summary>
+/// 总是满足
+/// </summary>
+public sealed class ConditionAlways : ConditionBase
+{
+    public override bool Evaluate()
+    {
+        return true;
+    }
+}
+
+/// <summary>
+/// 总是不满足
+/// </summary>
+public sealed class ConditionAlwaysNot : ConditionBase
+{
+    public override bool Evaluate()
+    {
+        return false;
+    }
+}
+
+/// <summary>
+/// 两个condition都达成才会返回真
+/// </summary>
+public sealed class ConditionAnd : ConditionBase
+{
+    ConditionBase m_FirstCondition, m_LastCondition;
+
+
+    public ConditionAnd(ConditionBase first, ConditionBase last)
+        : base()
+    {
+        m_FirstCondition = first;
+        m_LastCondition = last;
+    }
+
+    public override bool Evaluate()
+    {
+        return m_FirstCondition.Evaluate() && m_LastCondition.Evaluate();
+    }
+}
+
+/// <summary>
+/// 两个condition至少一个达成才会返回真
+/// </summary>
+public sealed class ConditionOr : ConditionBase
+{
+    ConditionBase m_FirstCondition, m_LastCondition;
+
+
+    public ConditionOr(ConditionBase first, ConditionBase last)
+        : base()
+    {
+        m_FirstCondition = first;
+        m_LastCondition = last;
+    }
+
+    public override bool Evaluate()
+    {
+        return m_FirstCondition.Evaluate() || m_LastCondition.Evaluate();
+    }
+}
+
+
+/// <summary>
+/// 两个condition都不达成才会返回真
+/// </summary>
+public sealed class ConditionNone : ConditionBase
+{
+    ConditionBase m_FirstCondition, m_LastCondition;
+
+    public ConditionNone(ConditionBase first, ConditionBase last)
+        : base()
+    {
+        m_FirstCondition = first;
+        m_LastCondition = last;
+    }
+
+    public override bool Evaluate()
+    {
+        return !m_FirstCondition.Evaluate() && !m_LastCondition.Evaluate();
+    }
+}
+
+