diff --git a/runelite-api/src/main/java/net/runelite/api/Client.java b/runelite-api/src/main/java/net/runelite/api/Client.java
index 4cceee7c05..ce45ddc6a5 100644
--- a/runelite-api/src/main/java/net/runelite/api/Client.java
+++ b/runelite-api/src/main/java/net/runelite/api/Client.java
@@ -413,4 +413,6 @@ public interface Client extends GameEngine
 	void setAttackersHidden(boolean state);
 
 	void setProjectilesHidden(boolean state);
+
+	CollisionData[] getCollisionMaps();
 }
diff --git a/runelite-api/src/main/java/net/runelite/api/CollisionData.java b/runelite-api/src/main/java/net/runelite/api/CollisionData.java
new file mode 100644
index 0000000000..1201c2c889
--- /dev/null
+++ b/runelite-api/src/main/java/net/runelite/api/CollisionData.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2018, Woox <https://github.com/wooxsolo>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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.
+ */
+package net.runelite.api;
+
+public interface CollisionData
+{
+	int[][] getFlags();
+}
\ No newline at end of file
diff --git a/runelite-api/src/main/java/net/runelite/api/CollisionDataFlag.java b/runelite-api/src/main/java/net/runelite/api/CollisionDataFlag.java
new file mode 100644
index 0000000000..ea0887f7fe
--- /dev/null
+++ b/runelite-api/src/main/java/net/runelite/api/CollisionDataFlag.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018, Woox <https://github.com/wooxsolo>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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.
+ */
+package net.runelite.api;
+
+public final class CollisionDataFlag
+{
+	public static final int BLOCK_MOVEMENT_NORTH_WEST = 0x1;
+	public static final int BLOCK_MOVEMENT_NORTH = 0x2;
+	public static final int BLOCK_MOVEMENT_NORTH_EAST = 0x4;
+	public static final int BLOCK_MOVEMENT_EAST = 0x8;
+	public static final int BLOCK_MOVEMENT_SOUTH_EAST = 0x10;
+	public static final int BLOCK_MOVEMENT_SOUTH = 0x20;
+	public static final int BLOCK_MOVEMENT_SOUTH_WEST = 0x40;
+	public static final int BLOCK_MOVEMENT_WEST = 0x80;
+
+	public static final int BLOCK_MOVEMENT_OBJECT = 0x100;
+	public static final int BLOCK_MOVEMENT_FLOOR_DECORATION = 0x40000;
+	public static final int BLOCK_MOVEMENT_FLOOR = 0x200000; // Eg. water
+	public static final int BLOCK_MOVEMENT_FULL =
+		BLOCK_MOVEMENT_OBJECT |
+			BLOCK_MOVEMENT_FLOOR_DECORATION |
+			BLOCK_MOVEMENT_FLOOR;
+
+	public static final int BLOCK_LINE_OF_SIGHT_NORTH = BLOCK_MOVEMENT_NORTH << 9; // 0x400
+	public static final int BLOCK_LINE_OF_SIGHT_EAST = BLOCK_MOVEMENT_EAST << 9; // 0x1000
+	public static final int BLOCK_LINE_OF_SIGHT_SOUTH = BLOCK_MOVEMENT_SOUTH << 9; // 0x4000
+	public static final int BLOCK_LINE_OF_SIGHT_WEST = BLOCK_MOVEMENT_WEST << 9; // 0x10000
+	public static final int BLOCK_LINE_OF_SIGHT_FULL = 0x20000;
+}
\ No newline at end of file
diff --git a/runescape-api/src/main/java/net/runelite/rs/api/RSCollisionData.java b/runescape-api/src/main/java/net/runelite/rs/api/RSCollisionData.java
index 5363333740..8df6236650 100644
--- a/runescape-api/src/main/java/net/runelite/rs/api/RSCollisionData.java
+++ b/runescape-api/src/main/java/net/runelite/rs/api/RSCollisionData.java
@@ -24,9 +24,10 @@
  */
 package net.runelite.rs.api;
 
+import net.runelite.api.CollisionData;
 import net.runelite.mapping.Import;
 
-public interface RSCollisionData
+public interface RSCollisionData extends CollisionData
 {
 	@Import("flags")
 	int[][] getFlags();