Restructured the common/ directory, and simplified the build process

common/utilities/utility.cpp

@@ -0,0 +1,59 @@
+/* Copyright: (c) Kayne Ruse 2013
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "utility.hpp"
+
+#include <algorithm>
+
+int snapToBase(int base, int x) {
+	//snap to a grid
+	if (x < 0) {
+		x++;
+		return x / base * base - base;
+	}
+	return x / base * base;
+}
+
+std::string truncatePath(std::string pathname) {
+	return std::string(
+		std::find_if(
+			pathname.rbegin(),
+			pathname.rend(),
+			[](char ch) -> bool {
+				//windows only
+				return ch == '/' || ch == '\\';
+//				//unix only
+//				return ch == '/';
+			}).base(),
+		pathname.end());
+}
+
+std::string to_string_custom(int i) {
+	char buffer[20];
+	snprintf(buffer, 20, "%d", i);
+	return std::string(buffer);
+}
+
+int to_integer_custom(std::string s) {
+	int ret = 0;
+	sscanf(s.c_str(), "%d", &ret);
+	return ret;
+}