improve "IWAD not found" error message (#2119)

fabiangreffrath · web-flow · commit abd23ab74115 · 2025-01-05T21:47:52.000+01:00
diff --git a/src/d_main.c b/src/d_main.c
@@ -864,7 +864,11 @@ void IdentifyVersion(void)
 
     if (!iwadfile)
     {
-        I_Error("IWAD not found");
+        I_Error("IWAD not found!\n"
+                "\n"
+                "Place an IWAD file (e.g. doom.wad, doom2.wad)\n"
+                "in one of the IWAD search directories, e.g.\n"
+                "%s", D_DoomPrefDir());
     }
 
     D_AddFile(iwadfile);

Original file line number	Diff line number	Diff line change
`@@ -864,7 +864,11 @@ void IdentifyVersion(void)`
`864`	`864`
`865`	`865`	`if (!iwadfile)`
`866`	`866`	`{`
`867`		`- I_Error("IWAD not found");`
	`867`	`+ I_Error("IWAD not found!\n"`
	`868`	`+ "\n"`
	`869`	`+ "Place an IWAD file (e.g. doom.wad, doom2.wad)\n"`
	`870`	`+ "in one of the IWAD search directories, e.g.\n"`
	`871`	`+ "%s", D_DoomPrefDir());`
`868`	`872`	`}`
`869`	`873`
`870`	`874`	`D_AddFile(iwadfile);`