From f957f4094a8d98ad0de294c3e6325ce9a860994e Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Wed, 26 May 2021 15:31:12 -0700
Subject: More work on TableTemplate

---
 core/src/Utils/Size.hpp   | 65 +++++++++++++++++++++++++++++++++++++++++++++++
 core/src/Utils/Vector.hpp | 30 ++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100755 core/src/Utils/Size.hpp

(limited to 'core/src/Utils')

diff --git a/core/src/Utils/Size.hpp b/core/src/Utils/Size.hpp
new file mode 100755
index 0000000..98be41a
--- /dev/null
+++ b/core/src/Utils/Size.hpp
@@ -0,0 +1,65 @@
+#pragma once
+
+#include "Utils/Vector.hpp"
+
+template <class T>
+class Size2 {
+public:
+	T width;
+	T height;
+
+public:
+	Size2()
+		: width{ 0 }, height{ 0 } {
+	}
+
+	Size2(T width, T height)
+		: width{ width }, height{ height } {
+	}
+
+	Size2(Vec2<T> vec)
+		: width{ vec.x }, height{ vec.y }
+	{
+	}
+
+	operator Vec2<T>() const
+	{
+		return { width, height };
+	}
+
+	Vec2<T> AsVec() const
+	{
+		return { width, height };
+	}
+
+	friend bool operator==(const Size2<T>&, const Size2<T>&) = default;
+
+	template <class TTarget>
+	Size2<TTarget> Cast() const
+	{
+		return {
+			static_cast<TTarget>(width),
+			static_cast<TTarget>(height),
+		};
+	}
+};
+
+template <class T>
+Size2<T> operator+(Size2<T> a, Size2<T> b) {
+	return { a.width + b.width, a.height + b.height };
+}
+
+template <class T>
+Size2<T> operator-(Size2<T> a, Size2<T> b) {
+	return { a.width - b.width, a.height - b.height };
+}
+
+template <class T, class N>
+auto operator*(Size2<T> a, N mult) -> Size2<decltype(a.width * mult)> {
+	return { a.width * mult, a.height * mult };
+}
+
+template <class T, class N>
+auto operator/(Size2<T> a, N mult) -> Size2<decltype(a.width / mult)> {
+	return { a.width / mult, a.height / mult };
+}
diff --git a/core/src/Utils/Vector.hpp b/core/src/Utils/Vector.hpp
index f49965e..7e71b73 100644
--- a/core/src/Utils/Vector.hpp
+++ b/core/src/Utils/Vector.hpp
@@ -6,6 +6,15 @@ struct Vec2
 	T x = 0;
 	T y = 0;
 
+	template <class TTarget>
+	Vec2<TTarget> Cast() const
+	{
+		return {
+			static_cast<TTarget>(x),
+			static_cast<TTarget>(y),
+		};
+	}
+
 	friend constexpr bool operator==(const Vec2& a, const Vec2& b) = default;
 
 	friend constexpr Vec2 operator+(const Vec2& a, const Vec2& b) { return { a.x + b.x, a.y + b.y }; }
@@ -29,6 +38,16 @@ struct Vec3
 	T y = 0;
 	T z = 0;
 
+	template <class TTarget>
+	Vec3<TTarget> Cast() const
+	{
+		return {
+			static_cast<TTarget>(x),
+			static_cast<TTarget>(y),
+			static_cast<TTarget>(z),
+		};
+	}
+
 	friend constexpr bool operator==(const Vec3& a, const Vec3& b) = default;
 
 	friend constexpr Vec3 operator+(const Vec3& a, const Vec3& b) { return { a.x + b.x, a.y + b.y, a.z + b.z }; }
@@ -53,6 +72,17 @@ struct Vec4
 	T z = 0;
 	T w = 0;
 
+	template <class TTarget>
+	Vec4<TTarget> Cast() const
+	{
+		return {
+			static_cast<TTarget>(x),
+			static_cast<TTarget>(y),
+			static_cast<TTarget>(z),
+			static_cast<TTarget>(w),
+		};
+	}
+
 	friend constexpr bool operator==(const Vec4& a, const Vec4& b) = default;
 
 	friend constexpr Vec4 operator+(const Vec4& a, const Vec4& b) { return { a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w }; }
-- 
cgit v1.2.3-70-g09d2