From ddb5aa9a3d26114e26d8fec7adfc86c3899b71e9 Mon Sep 17 00:00:00 2001
From: Snownee <mjy523@126.com>
Date: Tue, 16 Mar 2021 15:38:20 +0800
Subject: [PATCH] Human friendly schematic selection

---
 .../schematics/ClientSchematicLoader.java     | 51 +++++++++++++++++++
 .../gui/widgets/SelectionScrollInput.java     | 12 +++++
 2 files changed, 63 insertions(+)

diff --git a/src/main/java/com/simibubi/create/content/schematics/ClientSchematicLoader.java b/src/main/java/com/simibubi/create/content/schematics/ClientSchematicLoader.java
index 3eea730d0..cbb4dc930 100644
--- a/src/main/java/com/simibubi/create/content/schematics/ClientSchematicLoader.java
+++ b/src/main/java/com/simibubi/create/content/schematics/ClientSchematicLoader.java
@@ -9,6 +9,7 @@ import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -142,6 +143,56 @@ public class ClientSchematicLoader {
 			e.printStackTrace();
 		}
 
+		Collections.sort(availableSchematics, (a, b) -> {
+			if (a.endsWith(".nbt"))
+				a = a.substring(0, a.length() - 4);
+			if (b.endsWith(".nbt"))
+				b = b.substring(0, b.length() - 4);
+			int aLength = a.length();
+			int bLength = b.length();
+			int minSize = Math.min(aLength, bLength);
+			char aChar, bChar;
+			boolean aNumber, bNumber;
+			boolean asNumeric = false;
+			int lastNumericCompare = 0;
+			for (int i = 0; i < minSize; i++) {
+				aChar = a.charAt(i);
+				bChar = b.charAt(i);
+				aNumber = aChar >= '0' && aChar <= '9';
+				bNumber = bChar >= '0' && bChar <= '9';
+				if (asNumeric)
+					if (aNumber && bNumber) {
+						if (lastNumericCompare == 0)
+							lastNumericCompare = aChar - bChar;
+					} else if (aNumber)
+						return 1;
+					else if (bNumber)
+						return -1;
+					else if (lastNumericCompare == 0) {
+						if (aChar != bChar)
+							return aChar - bChar;
+						asNumeric = false;
+					} else
+						return lastNumericCompare;
+				else if (aNumber && bNumber) {
+					asNumeric = true;
+					if (lastNumericCompare == 0)
+						lastNumericCompare = aChar - bChar;
+				} else if (aChar != bChar)
+					return aChar - bChar;
+			}
+			if (asNumeric)
+				if (aLength > bLength && a.charAt(bLength) >= '0' && a.charAt(bLength) <= '9') // as number
+					return 1; // a has bigger size, thus b is smaller
+				else if (bLength > aLength && b.charAt(aLength) >= '0' && b.charAt(aLength) <= '9') // as number
+					return -1; // b has bigger size, thus a is smaller
+				else if (lastNumericCompare == 0)
+					return aLength - bLength;
+				else
+					return lastNumericCompare;
+			else
+				return aLength - bLength;
+		});
 	}
 
 	public List<String> getAvailableSchematics() {
diff --git a/src/main/java/com/simibubi/create/foundation/gui/widgets/SelectionScrollInput.java b/src/main/java/com/simibubi/create/foundation/gui/widgets/SelectionScrollInput.java
index b3e528baa..b190190ee 100644
--- a/src/main/java/com/simibubi/create/foundation/gui/widgets/SelectionScrollInput.java
+++ b/src/main/java/com/simibubi/create/foundation/gui/widgets/SelectionScrollInput.java
@@ -38,6 +38,16 @@ public class SelectionScrollInput extends ScrollInput {
 	protected void updateTooltip() {
 		toolTip.clear();
 		toolTip.add(TextFormatting.BLUE + title);
+		int min = Math.min(this.max - 16, state - 7);
+		int max = Math.max(this.min + 16, state + 8);
+		min = Math.max(min, this.min);
+		max = Math.min(max, this.max);
+		if (this.min + 1 == min)
+			min--;
+		if (min > this.min)
+			toolTip.add(TextFormatting.GRAY + "> ...");
+		if (this.max - 1 == max)
+			max++;
 		for (int i = min; i < max; i++) {
 			StringBuilder result = new StringBuilder();
 			if (i == state)
@@ -46,6 +56,8 @@ public class SelectionScrollInput extends ScrollInput {
 				result.append(TextFormatting.GRAY).append("> ").append(options.get(i));
 			toolTip.add(result.toString());
 		}
+		if (max < this.max)
+			toolTip.add(TextFormatting.GRAY + "> ...");
 		toolTip.add(TextFormatting.DARK_GRAY + "" + TextFormatting.ITALIC + scrollToSelect);
 	}