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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| #ifndef LEPUS_GFX_SCENEGRAPH | ||
| #define LEPUS_GFX_SCENEGRAPH | ||
| #include "SceneGraph/Renderable.h" | ||
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| namespace lepus | ||
| { | ||
| namespace gfx | ||
| { | ||
| template<class MeshType = lepus::engine::objects::Mesh, class RenderableType = lepus::gfx::Renderable<MeshType>> | ||
| class SceneGraph | ||
| { | ||
| public: | ||
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| class Node | ||
| { | ||
| private: | ||
| friend class SceneGraph; | ||
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| protected: | ||
| Node* m_Sibling; | ||
| Node* m_Child; | ||
| Node* m_Parent; | ||
| const RenderableType* m_Renderable; | ||
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| public: | ||
| Node() | ||
| { | ||
| m_Sibling = nullptr; | ||
| m_Child = nullptr; | ||
| m_Parent = nullptr; | ||
| m_Renderable = nullptr; | ||
| } | ||
|
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| ~Node() | ||
| { | ||
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| } | ||
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| inline const RenderableType* GetRenderable() const { return m_Renderable; } | ||
| inline const Node* NextSibling() const { return m_Sibling; } | ||
| inline const Node* Parent() const { return m_Parent; } | ||
| inline const Node* FirstChild() const { return m_Child; } | ||
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| inline bool IsRoot() const { return Parent() == nullptr; } | ||
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| inline const Node* AddChild(const RenderableType* renderable) | ||
| { | ||
| Node* currentNode = m_Child; | ||
| Node* lastChild = m_Child; | ||
| while (currentNode) | ||
| { | ||
| lastChild = currentNode; | ||
| currentNode = currentNode->m_Sibling; | ||
| } | ||
|
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| if (!currentNode) | ||
| { | ||
| currentNode = new Node(); | ||
| currentNode->m_Renderable = renderable; | ||
| currentNode->m_Parent = this; | ||
| } | ||
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| if (!m_Child) | ||
| { | ||
| m_Child = currentNode; | ||
| } | ||
| else if (lastChild && !lastChild->m_Sibling) | ||
| { | ||
| lastChild->m_Sibling = currentNode; | ||
| } | ||
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| return currentNode; | ||
| } | ||
| }; | ||
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| protected: | ||
| Node* m_Root; | ||
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| public: | ||
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| SceneGraph() | ||
| { | ||
| m_Root = new Node(); | ||
| } | ||
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| const Node* AddChild(const RenderableType* renderable) | ||
| { | ||
| return m_Root->AddChild(renderable); | ||
| } | ||
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| ~SceneGraph() | ||
| { | ||
| Node* currentNode = m_Root->m_Child; | ||
| Node* parent = currentNode; | ||
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| // Delete all children | ||
| while (currentNode) | ||
| { | ||
| if (currentNode->m_Child) | ||
| { | ||
| parent = currentNode; | ||
| currentNode = currentNode->m_Child; | ||
| } | ||
| else | ||
| { | ||
| parent->m_Child = currentNode->m_Sibling; | ||
| delete currentNode; | ||
| currentNode = parent; | ||
| } | ||
| } | ||
| } | ||
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| const Node* Root() const | ||
| { | ||
| return m_Root; | ||
| } | ||
| }; | ||
| } | ||
| } | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| #ifndef LEPUS_GFX_SCENEGRAPH_RENDERABLE | ||
| #define LEPUS_GFX_SCENEGRAPH_RENDERABLE | ||
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| #include <lepus/engine/Objects/Mesh.h> | ||
| #include <lepus/utility/types/Transform.h> | ||
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| namespace lepus | ||
| { | ||
| namespace gfx | ||
| { | ||
| template<class MeshType = lepus::engine::objects::Mesh> | ||
| class Renderable | ||
| { | ||
| private: | ||
| const MeshType* m_Mesh; | ||
| const lepus::math::Transform* m_Transform; | ||
| bool m_OwnsTransform; | ||
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| public: | ||
| Renderable() = delete; | ||
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| Renderable(const MeshType* mesh, const lepus::math::Transform& transform) | ||
| { | ||
| m_Mesh = mesh; | ||
| m_Transform = &transform; | ||
| m_OwnsTransform = false; | ||
| } | ||
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| Renderable(const MeshType* mesh, lepus::math::Transform&& transform) | ||
| { | ||
| m_Mesh = mesh; | ||
| m_Transform = new lepus::math::Transform(transform); | ||
| m_OwnsTransform = true; | ||
| } | ||
|
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| ~Renderable() | ||
| { | ||
| m_Mesh = nullptr; | ||
|
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| if (m_OwnsTransform) | ||
| { | ||
| delete m_Transform; | ||
| m_Transform = nullptr; | ||
| } | ||
| } | ||
|
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| const MeshType* GetMesh() const | ||
| { | ||
| return m_Mesh; | ||
| } | ||
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| const lepus::math::Transform& GetTransform() const | ||
| { | ||
| return *m_Transform; | ||
| } | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| #endif |
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