From 4b22503ea27e5f19c13804af281dd3f0db5e40f5 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Perrier <jeanbapt.perrier@gmail.com>
Date: Thu, 8 Apr 2021 18:53:39 +0200
Subject: [PATCH] Add Int3 operators + funcs.

---
 Source/Engine/Core/Math/Int3.h | 257 +++++++++++++++++++++++++++++++++
 1 file changed, 257 insertions(+)

diff --git a/Source/Engine/Core/Math/Int3.h b/Source/Engine/Core/Math/Int3.h
index b5f8e0bf3..b215ee4ed 100644
--- a/Source/Engine/Core/Math/Int3.h
+++ b/Source/Engine/Core/Math/Int3.h
@@ -110,6 +110,263 @@ public:
 
 public:
 
+    // Arithmetic operators with Int2
+
+    Int3 operator+(const Int3& b) const
+    {
+        return Add(*this, b);
+    }
+
+    Int3 operator-(const Int3& b) const
+    {
+        return Subtract(*this, b);
+    }
+
+    Int3 operator*(const Int3& b) const
+    {
+        return Multiply(*this, b);
+    }
+
+    Int3 operator/(const Int3& b) const
+    {
+        return Divide(*this, b);
+    }
+
+    Int3 operator-() const
+    {
+        return Int3(-X, -Y, -Z);
+    }
+
+    // op= operators with Int2
+
+    Int3& operator+=(const Int3& b)
+    {
+        *this = Add(*this, b);
+        return *this;
+    }
+
+    Int3& operator-=(const Int3& b)
+    {
+        *this = Subtract(*this, b);
+        return *this;
+    }
+
+    Int3& operator*=(const Int3& b)
+    {
+        *this = Multiply(*this, b);
+        return *this;
+    }
+
+    Int3& operator/=(const Int3& b)
+    {
+        *this = Divide(*this, b);
+        return *this;
+    }
+
+    // Arithmetic operators with int32
+
+    Int3 operator+(int32 b) const
+    {
+        return Add(*this, b);
+    }
+
+    Int3 operator-(int32 b) const
+    {
+        return Subtract(*this, b);
+    }
+
+    Int3 operator*(int32 b) const
+    {
+        return Multiply(*this, b);
+    }
+
+    Int3 operator/(int32 b) const
+    {
+        return Divide(*this, b);
+    }
+
+    // op= operators with int32
+
+    Int3& operator+=(int32 b)
+    {
+        *this = Add(*this, b);
+        return *this;
+    }
+
+    Int3& operator-=(int32 b)
+    {
+        *this = Subtract(*this, b);
+        return *this;
+    }
+
+    Int3& operator*=(int32 b)
+    {
+        *this = Multiply(*this, b);
+        return *this;
+    }
+
+    Int3& operator/=(int32 b)
+    {
+        *this = Divide(*this, b);
+        return *this;
+    }
+
+    // Comparison operators
+
+    bool operator==(const Int3& b) const
+    {
+        return X == b.X && Y == b.Y;
+    }
+
+    bool operator!=(const Int3& b) const
+    {
+        return X != b.X || Y != b.Y;
+    }
+
+    bool operator>(const Int3& b) const
+    {
+        return X > b.X && Y > b.Y;
+    }
+
+    bool operator>=(const Int3& b) const
+    {
+        return X >= b.X && Y >= b.Y;
+    }
+
+    bool operator<(const Int3& b) const
+    {
+        return X < b.X && Y < b.Y;
+    }
+
+    bool operator<=(const Int3& b) const
+    {
+        return X <= b.X && Y <= b.Y;
+    }
+
+public:
+
+    static void Add(const Int3& a, const Int3& b, Int3& result)
+    {
+        result.X = a.X + b.X;
+        result.Y = a.Y + b.Y;
+        result.Z = a.Z + b.Z;
+    }
+
+    static Int3 Add(const Int3& a, const Int3& b)
+    {
+        Int3 result;
+        Add(a, b, result);
+        return result;
+    }
+
+    static void Subtract(const Int3& a, const Int3& b, Int3& result)
+    {
+        result.X = a.X - b.X;
+        result.Y = a.Y - b.Y;
+        result.Z = a.Z - b.Z;
+    }
+
+    static Int3 Subtract(const Int3& a, const Int3& b)
+    {
+        Int3 result;
+        Subtract(a, b, result);
+        return result;
+    }
+
+    static Int3 Multiply(const Int3& a, const Int3& b)
+    {
+        return Int3(a.X * b.X, a.Y * b.Y, a.Z * b.Z);
+    }
+
+    static Int3 Multiply(const Int3& a, int32 b)
+    {
+        return Int3(a.X * b, a.Y * b, a.Z * b);
+    }
+
+    static Int3 Divide(const Int3& a, const Int3& b)
+    {
+        return Int3(a.X / b.X, a.Y / b.Y, a.Z / b.Z);
+    }
+
+    static Int3 Divide(const Int3& a, int32 b)
+    {
+        return Int3(a.X / b, a.Y / b, a.Z / b);
+    }
+
+public:
+
+    /// <summary>
+    /// Gets a value indicting whether this vector is zero.
+    /// </summary>
+    /// <returns> True if the vector is zero, otherwise false.</returns>
+    bool IsZero() const
+    {
+        return X == 0 && Y == 0 && Z == 0;
+    }
+
+    /// <summary>
+    /// Gets a value indicting whether any vector component is zero.
+    /// </summary>
+    /// <returns> True if a component is zero, otherwise false.</returns>
+    bool IsAnyZero() const
+    {
+        return X == 0 || Y == 0 || Z == 0;
+    }
+
+    /// <summary>
+    /// Gets a value indicting whether this vector is one.
+    /// </summary>
+    /// <returns> True if the vector is one, otherwise false.</returns>
+    bool IsOne() const
+    {
+        return X == 1 && Y == 1 && Z == 1;
+    }
+    
+    /// <summary>
+    /// Calculates a vector with values being opposite to values of that vector
+    /// </summary>
+    /// <returns>Negative vector</returns>
+    Int3 GetNegative() const
+    {
+        return Int3(-X, -Y, -Z);
+    }
+    
+    /// <summary>
+    /// Returns average arithmetic of all the components
+    /// </summary>
+    /// <returns>Average arithmetic of all the components</returns>
+    float AverageArithmetic() const
+    {
+        return (X + Y + Z) / 3.0f;
+    }
+
+    /// <summary>
+    /// Gets sum of all vector components values
+    /// </summary>
+    /// <returns>Sum of X, Y, Z and W</returns>
+    int32 SumValues() const
+    {
+        return X + Y + Z;
+    }
+
+    /// <summary>
+    /// Returns minimum value of all the components
+    /// </summary>
+    /// <returns>Minimum value</returns>
+    int32 MinValue() const
+    {
+        return Math::Min(X, Y, Z);
+    }
+
+    /// <summary>
+    /// Returns maximum value of all the components
+    /// </summary>
+    /// <returns>Maximum value</returns>
+    int32 MaxValue() const
+    {
+        return Math::Max(X, Y, Z);
+    }
+    
     // Returns a vector containing the largest components of the specified vectors
     // @param a The first source vector
     // @param b The second source vector