From 61f08e7634e0e39148a784c0ce6efcc112ed5a7a Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Thu, 20 May 2004 08:22:49 +0000
Subject: Now that we have string-encodable game parameters, let's support a
 command-line argument which is either a set of parameters or a params+seed
 game ID.

[originally from svn r4234]
---
 windows.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'windows.c')

diff --git a/windows.c b/windows.c
index 7689993..80a929d 100644
--- a/windows.c
+++ b/windows.c
@@ -7,6 +7,7 @@
 
 #include <stdio.h>
 #include <assert.h>
+#include <ctype.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <time.h>
@@ -309,7 +310,7 @@ void activate_timer(frontend *fe)
     }
 }
 
-static frontend *new_window(HINSTANCE inst)
+static frontend *new_window(HINSTANCE inst, char *game_id, char **error)
 {
     frontend *fe;
     int x, y;
@@ -322,6 +323,15 @@ static frontend *new_window(HINSTANCE inst)
     time(&t);
     fe->me = midend_new(fe, &t, sizeof(t));
 
+    if (game_id) {
+        *error = midend_game_id(fe->me, game_id, FALSE);
+        if (*error) {
+            midend_free(fe->me);
+            sfree(fe);
+            return NULL;
+        }
+    }
+
     fe->inst = inst;
     midend_new_game(fe->me);
     midend_size(fe->me, &x, &y);
@@ -1008,6 +1018,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
 {
     MSG msg;
+    char *error;
 
     InitCommonControls();
 
@@ -1028,7 +1039,15 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
 	RegisterClass(&wndclass);
     }
 
-    new_window(inst);
+    while (*cmdline && isspace(*cmdline))
+	cmdline++;
+
+    if (!new_window(inst, *cmdline ? cmdline : NULL, &error)) {
+	char buf[128];
+	sprintf(buf, "%.100s Error", game_name);
+	MessageBox(NULL, error, buf, MB_OK|MB_ICONERROR);
+	return 1;
+    }
 
     while (GetMessage(&msg, NULL, 0, 0)) {
 	DispatchMessage(&msg);
-- 
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