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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRYENGINE_RENDERDLL_COMMON_RENDELEMENTS_ABSTRACTMESHELEMENT_H
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#define CRYINCLUDE_CRYENGINE_RENDERDLL_COMMON_RENDELEMENTS_ABSTRACTMESHELEMENT_H
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#pragma once
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struct SVF_P3F_C4B_T2F;
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class AbstractMeshElement
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{
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protected:
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std::vector<SVF_P3F_C4B_T2F> m_vertBuf;
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std::vector<uint16> m_idxBuf;
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bool m_meshDirty;
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virtual void ApplyMesh();
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virtual void ApplyVert();
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virtual void ApplyIndices();
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// Render the mesh. Must have ApplyMesh called before this to make sure
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// all data are copied and all states are set.
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void DrawMeshTriList();
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// Render the mesh in wireframe mode. Primarily for debugging. NO FXCommit needed.
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// Must have ApplyMesh called before this to make sure
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// all data are copied and all states are set.
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void DrawMeshWireframe();
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// Custom Mesh Generation function.
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// Force to generate the mesh only.
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// This method doesn't alter the mark-dirty flag
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virtual void GenMesh() = 0;
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// Validate the internal mesh representation.
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// This regenerates the mesh when the related data is modified
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virtual void ValidateMesh()
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{
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if (m_meshDirty)
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{
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GenMesh();
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m_meshDirty = false;
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}
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}
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int GetMeshDataSize() const
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{
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return m_vertBuf.size() * sizeof(SVF_P3F_C4B_T2F) + m_idxBuf.size() * sizeof(uint16) + sizeof(bool);
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}
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public:
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AbstractMeshElement()
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: m_meshDirty(true)
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{
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}
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virtual ~AbstractMeshElement() {}
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SVF_P3F_C4B_T2F* GetVertBufData() { return &m_vertBuf[0]; }
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int GetVertCount() { return m_vertBuf.size(); }
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int GetVertBufSize() { return GetVertCount() * sizeof(SVF_P3F_C4B_T2F); }
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uint16* GetIndexBufData() { return &m_idxBuf[0]; }
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int GetIndexCount() { return m_idxBuf.size(); }
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int GetIndexBufSize() { return GetIndexCount() * sizeof(uint16); }
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};
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#endif // CRYINCLUDE_CRYENGINE_RENDERDLL_COMMON_RENDELEMENTS_ABSTRACTMESHELEMENT_H
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