# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1363654525 -7200
# Node ID 38b7583302c3b1265f5bff474f6d60f2ab547f87
# Parent  f5eca2e829ca97544f2fcfca27f3baa8bd6b5baa
Add commandline parsing and help.

diff -r f5eca2e829ca -r 38b7583302c3 3x666.c
--- a/3x666.c	Tue Mar 19 02:48:31 2013 +0200
+++ b/3x666.c	Tue Mar 19 02:55:25 2013 +0200
@@ -54,6 +54,7 @@
 
 static void dmPrintVA(int level, const char *fmt, va_list ap)
 {
+    (void) level;
 #ifdef __WIN32
     (void) fmt;
     (void) ap;
@@ -934,7 +935,7 @@
     BOOL initSDL = FALSE;
     const int U = SET_VID_BUFW / 40;
     const Uint16  *dez = dezign;
-    int flagz = 0, flixtim = 0;
+    int flagz = 0, flixtim = 0, argn;
     char *phiword = NULL, *dizainword = NULL;
 
     memset(&engine, 0, sizeof(engine));
@@ -944,7 +945,36 @@
     "libSDL port by ccr/TNSP^PWP (c) 2013\n");
     
     // Parse commandline options
-//    engine.optVFlags |= SDL_FULLSCREEN;
+    for (argn = 1; argn < argc; argn++)
+    {
+        char *arg = argv[argn];
+        if (arg[0] == '-')
+        switch (arg[1])
+        {
+            case 'f':
+                engine.optVFlags |= SDL_FULLSCREEN;
+                break;
+            
+            case '?':
+            case 'h':
+                dmPrint(0,
+                "Usage: %s [options]\n"
+                "\n"
+                " -f       Start in full screen\n"
+                " -h/-?    Show this help\n"
+                "\n", argv[0]);
+                goto error_exit;
+            
+            default:
+                dmError("Invalid option '%s'.\n", arg);
+                goto error_exit;
+        }
+        else
+        {
+            dmError("Invalid argument '%s'.\n", arg);
+            goto error_exit;
+        }
+    }
 
 
     // Initialize SDL components