SHADE_Engine/src/Animation/SHAnimationController.cpp

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+/************************************************************************************//*!
+\file           SHAnimationController.cpp
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Feb 22, 2023
+\brief			    Contains the definition of SHAnimationController's functions.
+
+
+Copyright (C) 2023 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#include "SHpch.h"
+#include "SHAnimationController.h"
+
+namespace SHADE
+{
+
+}

SHADE_Engine/src/Animation/SHAnimationController.h

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+/************************************************************************************//*!
+\file           SHAnimationController.h
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Feb 22, 2023
+\brief          Contains the definition of SHAnimationController.
+
+Copyright (C) 2023 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+
+// STL Includes
+#include <variant>
+#include <vector>
+// Project Includes
+#include "SH_API.h"
+#include "Resource/SHHandle.h"
+#include "SHAnimationClip.h"
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Forward Declarations                                                              */
+  /*-----------------------------------------------------------------------------------*/
+  /// <summary>
+  /// Object that controls the animation that is played by an animator through the use
+  /// of an internal state machine.
+  /// </summary>
+  class SH_API SHAnimationController
+  {
+    public:
+    /*---------------------------------------------------------------------------------*/
+    /* Forward Declarations                                                            */
+    /*---------------------------------------------------------------------------------*/
+    class Node;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Type Definition                                                                 */
+    /*---------------------------------------------------------------------------------*/
+    /// <summary>
+    /// Describes a parameter for the AnimationController that can be used to control
+    /// the flow of animations.
+    /// </summary>
+    struct AnimParam
+    {
+      /*-------------------------------------------------------------------------------*/
+      /* Type Definition                                                               */
+      /*-------------------------------------------------------------------------------*/
+      /// <summary>
+      /// Type of animation parameter.
+      /// </summary>
+      enum class Type
+      {
+        Bool,
+        Trigger,
+        Float,
+        Int
+      };
+
+      /*-------------------------------------------------------------------------------*/
+      /* Data Members                                                                  */
+      /*-------------------------------------------------------------------------------*/
+      Type                           ParamType;
+      std::variant<bool, float, int> Value;
+    };
+
+    /// <summary>
+    /// Describes a transition between nodes of the animation controller.
+    /// </summary>
+    struct Transition
+    {
+      /*-------------------------------------------------------------------------------*/
+      /* Type Definition                                                               */
+      /*-------------------------------------------------------------------------------*/
+      /// <summary>
+      /// Types of conditions for the transition.
+      /// </summary>
+      enum class ConditionType
+      {
+        None,
+        Equals,
+        NotEquals,
+        LessThan,
+        LessThanOrEqual,
+        GreaterThan,
+        GreaterThanOrEqual
+      };
+
+      /*-------------------------------------------------------------------------------*/
+      /* Data Members                                                                  */
+      /*-------------------------------------------------------------------------------*/
+      ConditionType Condition;
+      Handle<Node> Target;
+    };
+
+    /// <summary>
+    /// Describes a node in the animation controller.
+    /// </summary>
+    struct Node
+    {
+      Handle<SHAnimationClip> Clip;
+      std::vector<Transition> Transitions;
+    };
+
+
+    private:
+    /*---------------------------------------------------------------------------------*/
+    /* Data Members                                                                    */
+    /*---------------------------------------------------------------------------------*/
+    Handle<Node> currentNode;
+    std::vector<Handle<Node>> nodes;
+  };
+}