From e5b86cd7783dd9450e8b0cbbd5a69cbc9bcb84a2 Mon Sep 17 00:00:00 2001
From: "Maurice L." <maurice.lariviere@icloud.com>
Date: Mon, 23 Mar 2026 23:11:08 +0100
Subject: [PATCH] implement dialogue progression and text display for NPC
 interactions

---
 src/de/miaurizius/jgame2d/core/UI.java              | 11 +++++++++++
 src/de/miaurizius/jgame2d/entity/npc/OldManNPC.java |  4 ++++
 2 files changed, 15 insertions(+)

diff --git a/src/de/miaurizius/jgame2d/core/UI.java b/src/de/miaurizius/jgame2d/core/UI.java
index 9fdfd19..2b1d581 100644
--- a/src/de/miaurizius/jgame2d/core/UI.java
+++ b/src/de/miaurizius/jgame2d/core/UI.java
@@ -28,6 +28,8 @@ public class UI {
     public int npcSlotCol, npcSlotRow;
     private int transCount;
     private int sleepCount;
+    private int charIndex;
+    private String combinedText;
 
     // SUB-STATES
     public TradeState tradeState = TradeState.SELECT;
@@ -296,7 +298,16 @@ public class UI {
 
         if(tradingNPC.dialogue[tradingNPC.dialogueSet][tradingNPC.dialogueIndex] != null) {
             currentDialogue = tradingNPC.dialogue[tradingNPC.dialogueSet][tradingNPC.dialogueIndex];
+            char[] characters = tradingNPC.dialogue[tradingNPC.dialogueSet][tradingNPC.dialogueIndex].toCharArray();
+            if(charIndex < characters.length) {
+                String s = String.valueOf(characters[charIndex]);
+                combinedText = combinedText + s;
+                currentDialogue = combinedText;
+                charIndex++;
+            }
             if(panel.keyH.spacePressed) {
+                charIndex = 0;
+                combinedText = "";
                 if(panel.gameState == GameState.DIALOGUE) {
                     tradingNPC.dialogueIndex++;
                     panel.keyH.spacePressed = false;
diff --git a/src/de/miaurizius/jgame2d/entity/npc/OldManNPC.java b/src/de/miaurizius/jgame2d/entity/npc/OldManNPC.java
index 1cdea02..1e4f8c1 100644
--- a/src/de/miaurizius/jgame2d/entity/npc/OldManNPC.java
+++ b/src/de/miaurizius/jgame2d/entity/npc/OldManNPC.java
@@ -20,6 +20,8 @@ public class OldManNPC extends Entity {
         getImage();
         setDialogue();
 
+        dialogueSet = -1;
+
         solidArea.x = 8;
         solidArea.y = 16;
         solidAreaDefaultX = solidArea.x;
@@ -50,6 +52,8 @@ public class OldManNPC extends Entity {
     public void speak() {
         super.facePlayer();
         super.startDialogue(this,super.dialogueSet);
+        dialogueSet++;
+        if(dialogue[dialogueSet][0] == null) dialogueSet = 0;
         // super.onPath = true;
     }