--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/currency.h Tue Jan 02 19:19:48 2007 +0000
@@ -0,0 +1,45 @@
+/* $Id$ */
+
+#ifndef CURRENCY_H
+#define CURRENCY_H
+
+enum {
+ CF_NOEURO = 0,
+ CF_ISEURO = 1,
+ NUM_CURRENCY = 28,
+ CUSTOM_CURRENCY_ID = NUM_CURRENCY - 1
+};
+
+typedef struct {
+ uint16 rate;
+ char separator;
+ Year to_euro;
+ char prefix[16];
+ char suffix[16];
+ /**
+ * The currency symbol is represented by two possible values, prefix and suffix
+ * Usage of one or the other is determined by symbol_pos.
+ * 0 = prefix
+ * 1 = suffix
+ * 2 = both : Special case only for custom currency.
+ * It is not a spec from Newgrf,
+ * rather a way to let users do what they want with custom curency
+ */
+ byte symbol_pos;
+ StringID name;
+} CurrencySpec;
+
+
+extern CurrencySpec _currency_specs[NUM_CURRENCY];
+
+// XXX small hack, but makes the rest of the code a bit nicer to read
+#define _custom_currency (_currency_specs[CUSTOM_CURRENCY_ID])
+#define _currency ((const CurrencySpec*)&_currency_specs[_opt_ptr->currency])
+
+uint GetMaskOfAllowedCurrencies(void);
+void CheckSwitchToEuro(void);
+void ResetCurrencies(void);
+StringID* BuildCurrencyDropdown(void);
+byte GetNewgrfCurrencyIdConverted(byte grfcurr_id);
+
+#endif /* CURRENCY_H */