change some files and start on scrolling

2 files changed, 33 insertions, 0 deletions

diff --git a/src/main/java/cc/polyfrost/oneconfig/gui/pages/ModConfigPage.java b/src/main/java/cc/polyfrost/oneconfig/gui/pages/ModConfigPage.java
index f335e4d..d0e809e 100644
--- a/src/main/java/cc/polyfrost/oneconfig/gui/pages/ModConfigPage.java
+++ b/src/main/java/cc/polyfrost/oneconfig/gui/pages/ModConfigPage.java
@@ -149,4 +149,9 @@ public class ModConfigPage extends Page {
             button.setToggled(false);
         }
     }
+
+    @Override
+    public int getMaxScrollHeight() {
+        return 1600;
+    }
 }
diff --git a/src/main/java/cc/polyfrost/oneconfig/gui/pages/Page.java b/src/main/java/cc/polyfrost/oneconfig/gui/pages/Page.java
index ba31fa8..2f2fa36 100644
--- a/src/main/java/cc/polyfrost/oneconfig/gui/pages/Page.java
+++ b/src/main/java/cc/polyfrost/oneconfig/gui/pages/Page.java
@@ -1,9 +1,17 @@
 package cc.polyfrost.oneconfig.gui.pages;
 
+import cc.polyfrost.oneconfig.config.OneConfigConfig;
+import cc.polyfrost.oneconfig.lwjgl.RenderManager;
+import cc.polyfrost.oneconfig.utils.MathUtils;
+import org.lwjgl.input.Mouse;
+
 /**
  * A page is a 1056x728 rectangle of the GUI. It is the main content of the gui, and can be switched back and forwards easily. All the content of OneConfig is in a page.
  */
 public abstract class Page {
+    private float scrollPercent = 0f;
+    private float yDiff, scrollAmount;
+
     protected final String title;
 
     Page(String title) {
@@ -15,6 +23,21 @@ public abstract class Page {
     public void finishUpAndClose() {
     }
 
+    public void scrollWithDraw(long vg, int x, int y) {
+        int dWheel = Mouse.getDWheel();
+        scrollAmount += dWheel / 120f;
+        scrollPercent = MathUtils.easeOut(scrollPercent, scrollAmount, 20f);
+
+
+        int currentScroll = (int) yDiff + (int) (scrollPercent * 100);
+        if(currentScroll > 0) {
+            currentScroll = 0;
+            scrollPercent = 0;
+            scrollAmount = 0;
+        }
+        draw(vg, x, y + currentScroll);
+    }
+
     public String getTitle() {
         return title;
     }
@@ -28,4 +51,9 @@ public abstract class Page {
     public boolean isBase() {
         return false;
     }
+
+    /** Use this method to set the maximum scroll height of the page. */
+    public int getMaxScrollHeight() {
+        return 728;
+    }
 }