From 4add252f4582a4c136615f1fef684a1f17e46b37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1nos?= <janos.euler@gmail.com>
Date: Mon, 23 Jan 2023 13:36:39 +0100
Subject: [PATCH] Added Map Function to Map Values

---
 src/c/encounter.c       |  5 +++++
 src/c/encounter.h       |  4 ++--
 test/c/test_encounter.c | 12 ++++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/c/encounter.c b/src/c/encounter.c
index 0f48860..d3b14e6 100644
--- a/src/c/encounter.c
+++ b/src/c/encounter.c
@@ -112,6 +112,11 @@ int randomIntRange(int min, int max)
 }
 
 
+int map(int x, int in_min, int in_max, int out_min, int out_max){
+    //vgl Arduino map() https://www.arduino.cc/reference/en/language/functions/math/map/
+    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
 // Getter/Setter Funktionen
 void setEnemyHealth(enemy* enemy, int newhealth)
 {
diff --git a/src/c/encounter.h b/src/c/encounter.h
index e70d454..e2070d5 100644
--- a/src/c/encounter.h
+++ b/src/c/encounter.h
@@ -18,8 +18,8 @@ void enemyDamaged(enemy* enemy, int damage);
 int switchTurns(int currentTurn);
 int fight(int playerH, int playerDamage, int playerArmor, int playerAttack, enemy* enemy);
 
-
-
+//Funktionen die Mathematische Berechnungen durchführen
+int map(int x, int in_min, int in_max, int out_min, int out_max);
 int randomIntRange(int min, int max);
 //Getter/Setter Funktionen
 
diff --git a/test/c/test_encounter.c b/test/c/test_encounter.c
index b9bc4de..6e4a30d 100644
--- a/test/c/test_encounter.c
+++ b/test/c/test_encounter.c
@@ -311,4 +311,16 @@ void test_roll_01()
     TEST_ASSERT_EQUAL(expected, result);
 }
 
+void test_map10(){
+    int expected1 = 10, expected2 = 0, expected3 = 20;
+    int result;
+    
+    result = map(50, 0, 100, 0, 20);
+    TEST_ASSERT_EQUAL(expected1, result);
+    result = map(0, 0, 100, 0, 20);
+    TEST_ASSERT_EQUAL(expected2, result);
+    result = map(100, 0, 100, 0, 20);
+    TEST_ASSERT_EQUAL(expected3, result);
+}
+
 #endif // TEST