From adc0188d9facca0a85c7a956e33bb5ba48ee738d Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Thu, 23 Aug 2018 15:31:02 -0300
Subject: Added max() and min() functions to array to return greater or lesser
 element (or null if data is not of compatible type or empty array). Closes
 #15697

---
 core/array.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'core/array.cpp')

diff --git a/core/array.cpp b/core/array.cpp
index 44c553e4eb..ebad0df126 100644
--- a/core/array.cpp
+++ b/core/array.cpp
@@ -355,11 +355,58 @@ Variant Array::pop_front() {
 	return Variant();
 }
 
+Variant Array::min() const {
+
+	Variant minval;
+	for (int i = 0; i < size(); i++) {
+		if (i == 0) {
+			minval = get(i);
+		} else {
+			bool valid;
+			Variant ret;
+			Variant test = get(i);
+			Variant::evaluate(Variant::OP_LESS, test, minval, ret, valid);
+			if (!valid) {
+				return Variant(); //not a valid comparison
+			}
+			if (bool(ret)) {
+				//is less
+				minval = test;
+			}
+		}
+	}
+	return minval;
+}
+
+Variant Array::max() const {
+
+	Variant maxval;
+	for (int i = 0; i < size(); i++) {
+		if (i == 0) {
+			maxval = get(i);
+		} else {
+			bool valid;
+			Variant ret;
+			Variant test = get(i);
+			Variant::evaluate(Variant::OP_GREATER, test, maxval, ret, valid);
+			if (!valid) {
+				return Variant(); //not a valid comparison
+			}
+			if (bool(ret)) {
+				//is less
+				maxval = test;
+			}
+		}
+	}
+	return maxval;
+}
+
 Array::Array(const Array &p_from) {
 
 	_p = NULL;
 	_ref(p_from);
 }
+
 Array::Array() {
 
 	_p = memnew(ArrayPrivate);
-- 
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