55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
#include "StarLuaConverters.hpp"
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#include "StarColor.hpp"
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namespace Star {
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LuaValue LuaConverter<Color>::from(LuaEngine& engine, Color const& c) {
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if (c.alpha() == 255)
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return engine.createArrayTable(initializer_list<uint8_t>{c.red(), c.green(), c.blue()});
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else
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return engine.createArrayTable(initializer_list<uint8_t>{c.red(), c.green(), c.blue(), c.alpha()});
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}
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Maybe<Color> LuaConverter<Color>::to(LuaEngine& engine, LuaValue const& v) {
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if (auto t = v.ptr<LuaTable>()) {
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Color c = Color::rgba(0, 0, 0, 255);
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Maybe<int> r = engine.luaMaybeTo<int>(t->get(1));
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Maybe<int> g = engine.luaMaybeTo<int>(t->get(2));
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Maybe<int> b = engine.luaMaybeTo<int>(t->get(3));
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if (!r || !g || !b)
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return {};
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c.setRed(*r);
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c.setGreen(*g);
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c.setBlue(*b);
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if (Maybe<int> a = engine.luaMaybeTo<int>(t->get(4))) {
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if (!a)
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return {};
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c.setAlpha(*a);
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}
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return c;
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} else if (auto s = v.ptr<LuaString>()) {
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try {
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return Color(s->ptr());
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} catch (ColorException const&) {}
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}
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return {};
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}
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LuaValue LuaConverter<LuaCallbacks>::from(LuaEngine& engine, LuaCallbacks const& c) {
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auto table = engine.createTable(0, c.callbacks().size());
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for (auto& callback : c.callbacks())
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table.set(callback.first, engine.createWrappedFunction(callback.second));
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return table;
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}
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Maybe<LuaCallbacks> LuaConverter<LuaCallbacks>::to(LuaEngine& engine, LuaValue const& v) {
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return {};
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}
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}
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