Add Int4.cpp.

Source/Engine/Core/Math/Int4.cpp

@@ -1,42 +1,51 @@
 // Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
 
-#include "VectorInt.h"
+#include "Int2.h"
+#include "Int3.h"
+#include "Int4.h"
 #include "Vector2.h"
 #include "Vector3.h"
 #include "Vector4.h"
 #include "Engine/Core/Types/String.h"
 
-const Int2 Int2::Zero(0);
+static_assert(sizeof(Int4) == 16, "Invalid Int4 type size.");
-const Int2 Int2::One(1);
-
-Int2::Int2(const Vector2& v)
-    : X(static_cast<int32>(v.X))
-    , Y(static_cast<int32>(v.Y))
-{
-}
-
-String Int2::ToString() const
-{
-    return String::Format(TEXT("{}"), *this);
-}
-
-const Int3 Int3::Zero(0);
-const Int3 Int3::One(1);
-
-Int3::Int3(const Vector3& v)
-    : X(static_cast<int32>(v.X))
-    , Y(static_cast<int32>(v.Y))
-    , Z(static_cast<int32>(v.Z))
-{
-}
-
-String Int3::ToString() const
-{
-    return String::Format(TEXT("{}"), *this);
-}
 
 const Int4 Int4::Zero(0);
 const Int4 Int4::One(1);
+const Int4 Int4::Minimum(MIN_int32);
+const Int4 Int4::Maximum(MAX_int32);
+
+Int4::Int4(const Int2& xy, int32 z, int32 w)
+    : X(xy.X)
+    , Y(xy.Y)
+    , Z(z)
+    , W(w)
+{
+}
+
+Int4::Int4(const Int3& xyz, int32 w)
+    : X(xyz.X)
+    , Y(xyz.Y)
+    , Z(xyz.Z)
+    , W(w)
+{
+}
+
+Int4::Int4(const Vector2& v, int32 z, int32 w)
+    : X(static_cast<int32>(v.X))
+    , Y(static_cast<int32>(v.Y))
+    , Z(z)
+    , W(w)
+{
+}
+
+Int4::Int4(const Vector3& v, int32 w)
+    : X(static_cast<int32>(v.X))
+    , Y(static_cast<int32>(v.Y))
+    , Z(static_cast<int32>(v.Z))
+    , W(w)
+{
+}
 
 Int4::Int4(const Vector4& v)
     : X(static_cast<int32>(v.X))