lua: fix #734 by adding emu.getpath() and emu.loadrom()

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[[Split portion of a mixed commit.]]

trunk/src/config.cpp

@@ -21,7 +21,7 @@ char *FCEUI_GetAboutString() {
 		"zeromus, punkrockguy318 (Lukas Sabota)\n"
 		"\n"
 		"Current Contributors:\n"
-		"CaH4e3, rainwarrior, feos\n"
+		"CaH4e3, feos, rainwarrior\n"
 		"\n"
 		"Past Contributors:\n"
 		"xhainingx, gocha, AnS\n"

trunk/src/drivers/win/main.h

@@ -143,6 +143,8 @@ void RemoveDirs();
 void CreateDirs();
 void SetDirs();
 void FCEUX_LoadMovieExtras(const char * fname);
+bool ALoad(const char* nameo, char* innerFilename = 0, bool silent = false);
 //void initDirectories();	//adelikat 03/02/09 - commenting out reference to a directory that I commented out
 
+
 #endif

trunk/src/drivers/win/window.h

@@ -32,7 +32,6 @@ void ByebyeWindow();
 void DoTimingConfigFix();
 int CreateMainWindow();
 void UpdateCheckedMenuItems();
-bool ALoad(const char* nameo, char* innerFilename = 0, bool silent = false);
 void LoadNewGamey(HWND hParent, const char *initialdir);
 int BrowseForFolder(HWND hParent, const char *htext, char *buf);
 void SetMainWindowStuff();

trunk/src/lua-engine.cpp

@@ -28,6 +28,7 @@
 
 #ifdef WIN32
 #include "drivers/win/common.h"
+#include "drivers/win/main.h"
 #include "drivers/win/taseditor/selection.h"
 #include "drivers/win/taseditor/laglog.h"
 #include "drivers/win/taseditor/markers.h"
@@ -462,7 +463,44 @@ static int emu_message(lua_State *L) {
 	FCEU_DispMessage("%s",0, msg);
 
 	return 0;
+}
 
+// emu.getdir()
+//
+//  Returns the path of fceux.exe as a string.
+static int emu_getdir(lua_State *L) {
+#ifdef WIN32
+	TCHAR fullPath[2048];
+	TCHAR driveLetter[3];
+	TCHAR directory[2048];
+	TCHAR finalPath[2048];
+
+	GetModuleFileName(NULL, fullPath, 2048);
+	_splitpath(fullPath, driveLetter, directory, NULL, NULL);
+	snprintf(finalPath, sizeof(finalPath), "%s%s", driveLetter, directory);
+	lua_pushstring(L, finalPath);
+
+	return 1;
+#endif
+}
+
+// emu.loadrom(string filename)
+//
+//  Loads the rom from the directory relative to the lua script or from the absolute path.
+//  If the rom can't e loaded, loads the most recent one.
+static int emu_loadrom(lua_State *L) {
+#ifdef WIN32
+	const char *nameo2 = luaL_checkstring(L,1);
+	char nameo[2048];
+	strncpy(nameo, nameo2, sizeof(nameo));
+	if (!ALoad(nameo)) {
+		extern void LoadRecentRom(int slot);
+		LoadRecentRom(0);
+		return 0;
+	} else {
+		return 1;
+	}
+#endif
 }
 
 
@@ -5396,6 +5434,8 @@ static const struct luaL_reg emulib [] = {
 	{"getscreenpixel", emu_getscreenpixel},
 	{"readonly", movie_getreadonly},
 	{"setreadonly", movie_setreadonly},
+    {"getdir", emu_getdir},
+    {"loadrom", emu_loadrom},
 	{"print", print}, // sure, why not
 	{NULL,NULL}
 };