--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/melee/contactListener.d	Wed Mar 25 11:28:25 2009 -0400
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2009, Mason Green (zzzzrrr)
+ * Based on Box2D by Erin Catto, http://www.box2d.org
+ * 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * * Neither the name of the polygonal nor the names of its contributors may be
+ *   used to endorse or promote products derived from this software without specific
+ *   prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+module openmelee.melee.contactListener;
+
+import blaze.collision.bzCollision : bzContactID;
+import blaze.dynamics.contact.bzContact : bzContactPoint, bzContactResult;
+import blaze.dynamics.bzWorldCallbacks : bzContactListener;
+import blaze.collision.shapes.bzShape : bzShape;
+import blaze.common.bzMath : bzVec2;
+
+import openmelee.melee.melee;
+
+enum ContactState {
+    e_contactAdded,
+    e_contactPersisted,
+    e_contactRemoved
+}
+
+struct ContactPoint {
+    bzShape shape1;
+    bzShape shape2;
+    bzVec2 normal;
+    bzVec2 position;
+    bzVec2 velocity;
+    bzContactID id;
+    ContactState state;
+}
+
+// bzWorld contact callback
+class ContactListener : bzContactListener
+{
+
+	Melee melee;
+
+	this(Melee melee) {
+		this.melee = melee;
+	}
+
+	void add(bzContactPoint point)
+	{
+		if (melee.pointCount == k_maxContactPoints) {
+			return;
+		}
+
+		ContactPoint *cp = &melee.points[melee.pointCount];
+		cp.shape1 = point.shape1;
+		cp.shape2 = point.shape2;
+		cp.position = point.position;
+		cp.normal = point.normal;
+		cp.id = point.id;
+		cp.state = ContactState.e_contactAdded;
+
+		++melee.pointCount;
+	}
+
+	void persist(bzContactPoint point)
+	{
+		if (melee.pointCount == k_maxContactPoints) {
+			return;
+		}
+
+		ContactPoint *cp = &melee.points[melee.pointCount];
+		cp.shape1 = point.shape1;
+		cp.shape2 = point.shape2;
+		cp.position = point.position;
+		cp.normal = point.normal;
+		cp.id = point.id;
+		cp.state = ContactState.e_contactPersisted;
+
+		++melee.pointCount;
+	}
+
+	void remove(bzContactPoint point)
+	{
+		if (melee.pointCount == k_maxContactPoints) {
+			return;
+		}
+
+		ContactPoint *cp = &melee.points[melee.pointCount];
+		cp.shape1 = point.shape1;
+		cp.shape2 = point.shape2;
+		cp.position = point.position;
+		cp.normal = point.normal;
+		cp.id = point.id;
+		cp.state = ContactState.e_contactRemoved;
+
+		++melee.pointCount;
+	}
+
+	void result(bzContactResult point) {}
+
+}