65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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** vertex.cpp
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**
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** This file is part of mkxp.
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**
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** Copyright (C) 2021 Amaryllis Kulla <amaryllis.kulla@protonmail.com>
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**
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** mkxp is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 2 of the License, or
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** (at your option) any later version.
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**
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** mkxp is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "vertex.h"
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#include "util.h"
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#include <cstddef>
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CVertex::CVertex()
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: color(1, 1, 1, 1)
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{}
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Vertex::Vertex()
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: color(1, 1, 1, 1)
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{}
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#define o(type, mem) ((const GLvoid*) offsetof(type, mem))
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static const VertexAttribute SVertexAttribs[] =
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{
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{ Shader::Position, 2, GL_FLOAT, o(SVertex, pos) },
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{ Shader::TexCoord, 2, GL_FLOAT, o(SVertex, texPos) }
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};
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static const VertexAttribute CVertexAttribs[] =
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{
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{ Shader::Color, 4, GL_FLOAT, o(CVertex, color) },
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{ Shader::Position, 2, GL_FLOAT, o(CVertex, pos) }
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};
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static const VertexAttribute VertexAttribs[] =
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{
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{ Shader::Color, 4, GL_FLOAT, o(Vertex, color) },
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{ Shader::Position, 2, GL_FLOAT, o(Vertex, pos) },
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{ Shader::TexCoord, 2, GL_FLOAT, o(Vertex, texPos) }
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};
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#define DEF_TRAITS(VertType) \
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template<> \
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const VertexAttribute *VertexTraits<VertType>::attr = VertType##Attribs; \
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template<> \
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const GLsizei VertexTraits<VertType>::attrCount = ARRAY_SIZE(VertType##Attribs)
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DEF_TRAITS(SVertex);
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DEF_TRAITS(CVertex);
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DEF_TRAITS(Vertex);
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