mirror of https://github.com/AxioDL/metaforce.git
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
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#ifndef SPECTER_ICON_HPP
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#define SPECTER_ICON_HPP
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#include "View.hpp"
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namespace Specter
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{
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struct Icon
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{
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boo::ITexture* m_tex = nullptr;
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Zeus::CVector2f m_uvCoords[4];
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Icon() = default;
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Icon(boo::ITexture* tex, float rect[4])
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: m_tex(tex)
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{
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m_uvCoords[0][0] = rect[0];
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m_uvCoords[0][1] = -rect[3];
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m_uvCoords[1][0] = rect[0];
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m_uvCoords[1][1] = -rect[1];
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m_uvCoords[2][0] = rect[2];
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m_uvCoords[2][1] = -rect[3];
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m_uvCoords[3][0] = rect[2];
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m_uvCoords[3][1] = -rect[1];
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}
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};
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template <size_t COLS, size_t ROWS>
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class IconAtlas
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{
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boo::ITexture* m_tex = nullptr;
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Icon m_icons[COLS][ROWS];
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Icon MakeIcon(float x, float y)
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{
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float rect[] = {x / float(COLS), y / float(ROWS),
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x / float(COLS) + 1.f / float(COLS), y / float(ROWS) + 1.f / float(ROWS)};
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return Icon(m_tex, rect);
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}
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public:
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IconAtlas() = default;
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operator bool() const {return m_tex != nullptr;}
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void initializeAtlas(boo::ITexture* tex)
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{
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m_tex = tex;
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for (int c=0 ; c<COLS ; ++c)
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for (int r=0 ; r<ROWS ; ++r)
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m_icons[c][r] = MakeIcon(c, r);
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}
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Icon& getIcon(size_t c, size_t r) {return m_icons[c][r];}
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};
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class IconView : public View
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{
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VertexBufferBinding m_vertexBinding;
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public:
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IconView(ViewResources& res, View& parentView, Icon& icon);
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void resized(const boo::SWindowRect& root, const boo::SWindowRect& sub);
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void draw(boo::IGraphicsCommandQueue* gfxQ);
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};
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}
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#endif // SPECTER_ICON_HPP
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