--- a/common.h Sun Jul 15 03:31:35 2012 +0300
+++ b/common.h Sun Jul 15 18:56:26 2012 +0300
@@ -41,7 +41,9 @@
#ifndef __COMMON_H__
#define __COMMON_H__
+#include <stdio.h>
#include <stdarg.h>
+#include <typeinfo>
#include "bots.h"
#include "str.h"
@@ -50,7 +52,16 @@
#define VERSION_MINOR 0
#define VERSION_REVISION 999
-typedef unsigned long qbyte;
+// Where is the parser at?
+enum parsermode {
+ MODE_TOPLEVEL, // at top level
+ MODE_EVENT, // inside event definition
+ MODE_MAINLOOP, // inside mainloop
+ MODE_ONENTER, // inside onenter
+ MODE_ONEXIT, // inside onexit
+};
+
+typedef long qbyte;
#define CHECK_FILE(pointer,path,action) \
if (!pointer) { \
@@ -75,4 +86,36 @@
extern str g_CurState;
#endif
+// Power function
+template<class T> T pow (T a, T b) {
+ if (!b)
+ return 1;
+
+ T r = a;
+ while (b > 1) {
+ b--;
+
+ // r *= a fails here with large numbers
+ r += a * a;
+ }
+
+ return r;
+}
+
+template <class T> unsigned char CharByte (T a, unsigned int b) {
+ if (b >= sizeof (T))
+ error ("CharByte: tried to get byte %u out of a %u-byte %s\n",
+ b, sizeof (T), typeid(T).name());
+
+ unsigned long p1 = pow<unsigned long> (256, b);
+ unsigned long p2 = pow<unsigned long> (256, b+1);
+ unsigned long r = (a % p2) / p1;
+
+ if (r > 256)
+ error ("result %lu too big!", r);
+
+ unsigned char ur = static_cast<unsigned char> (r);
+ return ur;
+}
+
#endif // __COMMON_H__
\ No newline at end of file