From c7a9d4a6bd53ed7d61731770f2f10e8b9fd435f9 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Thu, 12 Feb 2026 22:33:32 -0800
Subject: Initial commit

---
 NET/worlds/scape/BoxBumpCalc.java | 61 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 NET/worlds/scape/BoxBumpCalc.java

(limited to 'NET/worlds/scape/BoxBumpCalc.java')

diff --git a/NET/worlds/scape/BoxBumpCalc.java b/NET/worlds/scape/BoxBumpCalc.java
new file mode 100644
index 0000000..06e6c50
--- /dev/null
+++ b/NET/worlds/scape/BoxBumpCalc.java
@@ -0,0 +1,61 @@
+package NET.worlds.scape;
+
+import java.io.IOException;
+
+public class BoxBumpCalc extends BumpCalc {
+   private static Object classCookie = new Object();
+
+   @Override
+   public void detectBump(BumpEventTemp b, WObject owner) {
+      BoundBoxTemp box = owner.getBoundBox();
+      BoundBoxTemp sourceBox = ((WObject)b.source).getBoundBox();
+      box.lo.minus(sourceBox.hi.minus(b.sourceAt));
+      box.hi.minus(sourceBox.lo.minus(b.sourceAt));
+      Point3Temp pos = Point3Temp.make();
+      pos.x = box.lo.x;
+      pos.y = box.lo.y;
+      float xExtent = box.hi.x - box.lo.x;
+      float yExtent = box.hi.y - box.lo.y;
+      Point3Temp d = Point3Temp.make(xExtent, 0.0F, 0.0F);
+      Point3Temp extent = Point3Temp.make(0.0F, yExtent / 2.0F, 0.0F);
+      if (!b.hitTriRegion(owner, pos, d, extent)) {
+         pos.x = box.hi.x;
+         pos.y = box.hi.y;
+         d.x = -d.x;
+         extent.y = -extent.y;
+         if (!b.hitTriRegion(owner, pos, d, extent)) {
+            pos.y = box.lo.y;
+            d.y = yExtent;
+            d.x = 0.0F;
+            extent.x = -xExtent / 2.0F;
+            extent.y = 0.0F;
+            if (!b.hitTriRegion(owner, pos, d, extent)) {
+               pos.x = box.lo.x;
+               pos.y = box.hi.y;
+               d.y = -d.y;
+               extent.x = -extent.x;
+               if (!b.hitTriRegion(owner, pos, d, extent)) {
+                  ;
+               }
+            }
+         }
+      }
+   }
+
+   @Override
+   public void saveState(Saver s) throws IOException {
+      s.saveVersion(0, classCookie);
+      super.saveState(s);
+   }
+
+   @Override
+   public void restoreState(Restorer r) throws IOException, TooNewException {
+      switch (r.restoreVersion(classCookie)) {
+         case 0:
+            super.restoreState(r);
+            return;
+         default:
+            throw new TooNewException();
+      }
+   }
+}
-- 
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