separate files based on feedback

odin/src/core/gilded_rose.odin

@@ -0,0 +1,55 @@
+package gilded_rose
+
+Item :: struct {
+	name:    string,
+	sell_in: i32,
+	quality: i32,
+}
+
+update_quality :: proc(inventory: []Item) {
+	for &item in inventory {
+		if item.name != "Aged Brie" && item.name != "Backstage passes to a TAFKAL80ETC concert" {
+			if item.quality > 0 {
+				if item.name != "Sulfuras, Hand of Ragnaros" {
+					item.quality = item.quality - 1
+				}
+			}
+		} else {
+			if item.quality < 50 {
+				item.quality = item.quality + 1
+				if item.name == "Backstage passes to a TAFKAL80ETC concert" {
+					if item.sell_in < 11 {
+						if item.quality < 50 {
+							item.quality = item.quality + 1
+						}
+					}
+					if item.sell_in < 6 {
+						if item.quality < 50 {
+							item.quality = item.quality + 1
+						}
+					}
+				}
+			}
+		}
+		if item.name != "Sulfuras, Hand of Ragnaros" {
+			item.sell_in = item.sell_in - 1
+		}
+		if item.sell_in < 0 {
+			if item.name != "Aged Brie" {
+				if item.name != "Backstage passes to a TAFKAL80ETC concert" {
+					if item.quality > 0 {
+						if item.name != "Sulfuras, Hand of Ragnaros" {
+							item.quality = item.quality - 1
+						}
+					}
+				} else {
+					item.quality = item.quality - item.quality
+				}
+			} else {
+				if item.quality < 50 {
+					item.quality = item.quality + 1
+				}
+			}
+		}
+	}
+}