jbhook: Finalise half-baked "rotate window" hooks

src/main/jbhook2/dllmain.c

@@ -42,8 +42,6 @@ static struct options options;
 
 static bool my_dll_entry_init(char *sidcode, struct property_node *param)
 {
-    jbhook_util_gfx_install_vertical_hooks();
-
     bool eam_io_ok;
     bool jb_io_ok;
 
@@ -52,6 +50,10 @@ static bool my_dll_entry_init(char *sidcode, struct property_node *param)
 
     log_info("--- Begin jbhook dll_entry_init ---");
 
+    if(options.vertical) {
+        jbhook_util_gfx_install_vertical_hooks();
+    }
+
     if (!options.disable_p3ioemu) {
         log_assert(sidcode != NULL);
         // pcbid and eamid are only used here for sec check, the ones used for
@@ -157,9 +159,11 @@ static HWND CDECL my_mwindow_create(
     log_info("---------------- Begin jbhook mwindow_create ----------------");
     log_info("-------------------------------------------------------------");
 
-    DWORD tmp = window_width;
-    window_width = window_height;
-    window_height = tmp;
+    if(options.vertical) {
+        DWORD tmp = window_width;
+        window_width = window_height;
+        window_height = tmp;
+    }
 
     return real_mwindow_create(
         hinstance,

src/main/jbhook2/options.c

@@ -65,6 +65,11 @@ bool options_read_cmdline(struct options *options, int argc, const char **argv)
                 break;
             }
 
+            case 'v': {
+                options->vertical = true;
+                break;
+            }
+
             case 'a': {
                 options->disable_adapteremu = true;
                 break;
@@ -96,6 +101,7 @@ void options_print_usage(void)
                 "       -h                  Print this usage message\n"
                 "       -w                  Run the game windowed\n"
                 "       -f                  Run the game in a framed window (needs -w option)\n"
+                "       -v                  Rotate the normally-horizontal game window to be vertical\n"
                 "       -a                  Disable adapter hook\n"
                 "       -c                  Disable card emulation (e.g. when running on a "
                 "real cab)\n"

src/main/jbhook2/options.h

@@ -7,6 +7,7 @@
 struct options {
     bool windowed;
     bool window_framed;
+    bool vertical;
     bool disable_p3ioemu;
     bool disable_cardemu;
     bool disable_adapteremu;