From 8233a44b605f53b9e852a51efb4dca8f15635198 Mon Sep 17 00:00:00 2001
From: Magnus Auvinen <magnus.auvinen@gmail.com>
Date: Sun, 29 Jul 2007 22:09:15 +0000
Subject: an update :D

---
 src/engine/snapshot.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/engine/snapshot.cpp')

diff --git a/src/engine/snapshot.cpp b/src/engine/snapshot.cpp
index 2f6f1f36..2e68df72 100644
--- a/src/engine/snapshot.cpp
+++ b/src/engine/snapshot.cpp
@@ -27,6 +27,21 @@ void *snapshot_empty_delta()
 	return &empty;
 }
 
+int snapshot_crc(snapshot *snap)
+{
+	int crc = 0;
+	
+	for(int i = 0; i < snap->num_items; i++)
+	{
+		snapshot::item *item = snap->get_item(i);
+		int size = snap->get_item_datasize(i);
+		
+		for(int b = 0; b < size/4; b++)
+			crc += item->data()[b];
+	}
+	return crc;
+}
+
 static int diff_item(int *past, int *current, int *out, int size)
 {
 	/*
-- 
cgit 1.4.1