40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
#pragma once
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#include "core.h"
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#include "DirectXCore.h"
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using namespace std;
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// Abstract base class for all nodes of the scene graph.
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// This scene graph implements the Composite Design Pattern
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class SceneNode;
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typedef shared_ptr<SceneNode> SceneNodePointer;
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class SceneNode : public enable_shared_from_this<SceneNode>
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{
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public:
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SceneNode(wstring name) {_name = name; XMStoreFloat4x4(&_worldTransformation, XMMatrixIdentity()); };
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~SceneNode(void) {};
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// Core methods
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virtual bool Initialise() = 0;
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virtual void Update(FXMMATRIX& currentWorldTransformation) { XMStoreFloat4x4(&_combinedWorldTransformation, XMLoadFloat4x4(&_worldTransformation) * currentWorldTransformation); }
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virtual void Render() = 0;
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virtual void Shutdown() = 0;
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void SetWorldTransform(FXMMATRIX& worldTransformation) { XMStoreFloat4x4(&_worldTransformation, worldTransformation); }
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// Although only required in the composite class, these are provided
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// in order to simplify the code base.
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virtual void Add(SceneNodePointer node) {}
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virtual void Remove(SceneNodePointer node) {};
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virtual SceneNodePointer Find(wstring name) { return (_name == name) ? shared_from_this() : nullptr; }
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protected:
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XMFLOAT4X4 _worldTransformation;
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XMFLOAT4X4 _combinedWorldTransformation;
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wstring _name;
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};
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