Worked on dialogue system and added example for it.

README.md

@@ -12,7 +12,6 @@ import popka.basic;
 void main() {
     openWindow(640, 480);
     lockResolution(320, 180);
-
     while (isWindowOpen) {
         drawDebugText("Hello world!");
     }
@@ -28,6 +27,7 @@ Installing raylib is easy, and the official raylib instructions will guide you t
 ## Installation
 
 This guide outlines the steps to install Popka using Git and the Dub package manager.
+It is not recommended to use Dub for now.
 
 1. **Clone the Popka repository:**
 

example/basic.d

@@ -9,11 +9,13 @@ module popka.example.basic;
 public import popka.example.camera;
 public import popka.example.coins;
 public import popka.example.hello;
+public import popka.example.story;
 
 void runEveryExample() {
     runHelloExample();
     runCoinsExample();
     runCameraExample();
+    runStoryExample();
 }
 
 unittest {}

example/hello.d

@@ -10,7 +10,6 @@ import popka.basic;
 void runHelloExample() {
     openWindow(640, 480);
     lockResolution(320, 180);
-
     while (isWindowOpen) {
         drawDebugText("Hello world!");
     }

example/story.d

@@ -0,0 +1,55 @@
+// Copyright 2024 Alexandros F. G. Kapretsos
+// SPDX-License-Identifier: MIT
+
+/// An example that shows how to use the dialogue system of Popka.
+// TODO: This example needs some work.
+
+module popka.example.story;
+
+import popka.basic;
+import popka.game.dialogue;
+
+void runStoryExample() {
+    openWindow(640, 480);
+    lockResolution(320, 180);
+
+    // The game variables.
+    auto file = "
+        # This is a comment.
+
+        > Alex
+        | Hi.
+        | My name is Alex.
+        > Maria
+        | Hello!
+        | Nice to meet you!
+        -
+
+        # I don't know why this does not work...
+        # * Point
+        # > Actor3
+        # | This is a loop.
+        # @ Point
+    ";
+    auto dialogue = Dialogue();
+
+    // Parse the file that is the story of the game.
+    dialogue.parse(file);
+
+    while (isWindowOpen) {
+        // The first update makes the dialogue system go to the first available line.
+        if (!dialogue.canUpdate) {
+            dialogue.reset();
+            dialogue.update();
+        }
+        // Update the story.
+        if (Keyboard.space.isPressed) {
+            dialogue.update();
+        }
+        // Draw the game.
+        drawDebugText("{}: {}".fmt(dialogue.actor, dialogue.content));
+    }
+    // Free all the game resources.
+    dialogue.free();
+    freeWindow();
+}

game/dialogue.d

@@ -43,6 +43,8 @@ struct DialogueUnit {
 struct Dialogue {
     List!DialogueUnit units;
     size_t unitIndex;
+    const(char)[] actor;
+    const(char)[] content;
 
     this(const(char)[] path) {
         load(path);
@@ -52,13 +54,22 @@ struct Dialogue {
         return units[unitIndex];
     }
 
+    void reset() {
+        unitIndex = 0;
+    }
+
     void update() {
         if (units.length != 0 && unitIndex < units.length - 1) {
             unitIndex += 1;
             auto unit = units[unitIndex];
+            content = unit.content.items;
             if (unit.isOneOf(DialogueUnit.comment, DialogueUnit.point)) {
                 update();
             }
+            if (unit.kind == DialogueUnit.actor) {
+                actor = unit.content.items;
+                update();
+            }
             if (unit.kind == DialogueUnit.target) {
                 foreach (i, item; units.items) {
                     if (item.kind == DialogueUnit.point && item.content.items == unit.content.items) {
@@ -120,37 +131,4 @@ struct Dialogue {
     }
 }
 
-unittest {
-    auto text = "
-        # This is a comment.
-        > Actor1
-        | First line.
-        | Second line.
-        > Actor2
-        | First line.
-        -
-
-        * Point
-        > Actor3
-        | This is a loop.
-        @ Point
-    ";
-
-    import popka.basic;
-    auto dialogue = Dialogue();
-    dialogue.parse(text);
-    dialogue.update();
-    openWindow(500, 500);
-    lockResolution(200, 200);
-    foreach (i, u; dialogue.units) {
-        println(i, ": ", u.kind, "|", u.content.items);
-    }
-    println("--- gane");
-    while (isWindowOpen) {
-        if (Keyboard.space.isPressed && dialogue.canUpdate && dialogue.now.kind != DialogueUnit.pause) {
-            auto unit = dialogue.now;
-            println(unit.kind, " | ", unit.content.items);
-            dialogue.update();
-        }
-    }
-}
+unittest {}