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86 lines
2.8 KiB
86 lines
2.8 KiB
/*
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* Copyright (c) 2010-2014 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef VERTEXARRAY_H
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#define VERTEXARRAY_H
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#include "declarations.h"
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#include <framework/util/databuffer.h>
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class VertexArray
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{
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public:
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inline void addVertex(float x, float y) { m_buffer << x << y; }
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inline void addTriangle(const Point& a, const Point& b, const Point& c) {
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addVertex(a.x, a.y);
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addVertex(b.x, b.y);
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addVertex(c.x, c.y);
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}
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inline void addRect(const Rect& rect) {
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float top = rect.top();
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float right = rect.right()+1;
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float bottom = rect.bottom()+1;
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float left = rect.left();
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addVertex(left, top);
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addVertex(right, top);
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addVertex(left, bottom);
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addVertex(left, bottom);
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addVertex(right, top);
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addVertex(right, bottom);
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}
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inline void addQuad(const Rect& rect) {
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float top = rect.top();
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float right = rect.right()+1;
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float bottom = rect.bottom()+1;
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float left = rect.left();
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addVertex(left, top);
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addVertex(right, top);
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addVertex(left, bottom);
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addVertex(right, bottom);
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}
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inline void addUpsideDownQuad(const Rect& rect) {
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float top = rect.top();
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float right = rect.right()+1;
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float bottom = rect.bottom()+1;
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float left = rect.left();
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addVertex(left, bottom);
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addVertex(right, bottom);
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addVertex(left, top);
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addVertex(right, top);
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}
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void clear() { m_buffer.reset(); }
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float *vertices() const { return m_buffer.data(); }
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int vertexCount() const { return m_buffer.size() / 2; }
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int size() const { return m_buffer.size(); }
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private:
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DataBuffer<float> m_buffer;
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};
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#endif
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