shithub: choc

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Allow magic comments in dehacked files that disable the DOS dehacked
text replacement limit, so that we can use a dehacked patch to emulate
chex.exe.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 1158

--- a/src/deh_main.c

+++ b/src/deh_main.c

@@ -59,6 +59,10 @@

 // deh_weapon.c: 

 extern deh_section_t deh_section_weapon;

+// If true, we can do long string replacements.

+

+boolean deh_allow_long_strings = false;

+

 //

 // List of section types:

 //

@@ -226,6 +230,24 @@

     return false;

 }

+// Parses a comment string in a dehacked file.

+

+static void DEH_ParseComment(char *comment)

+{

+    // Allow comments containing this special value to allow string

+    // replacements longer than those permitted by DOS dehacked.

+    // This allows us to use a dehacked patch for doing string 

+    // replacements for emulating Chex Quest.

+    //

+    // If you use this, your dehacked patch may not work in Vanilla

+    // Doom.

+

+    if (strstr(comment, "*allow-long-strings*") != NULL)

+    {

+        deh_allow_long_strings = true;

+    }

+}

+

 // Parses a dehacked file by reading from the context

 static void DEH_ParseContext(deh_context_t *context)

@@ -241,6 +263,8 @@

     {

         DEH_Error(context, "This is not a valid dehacked patch file!");

     }

+

+    deh_allow_long_strings = false;

     // Read the file

@@ -262,6 +286,7 @@

         {

             // comment

+            DEH_ParseComment(line);

             continue;

         }

--- a/src/deh_main.h

+++ b/src/deh_main.h

@@ -58,5 +58,7 @@

 #endif

+extern boolean deh_allow_long_strings;

+

 #endif /* #ifndef DEH_MAIN_H */

--- a/src/deh_text.c

+++ b/src/deh_text.c

@@ -31,6 +31,7 @@

 #include "deh_defs.h"

 #include "deh_io.h"

+#include "deh_main.h"

 typedef struct 

 {

@@ -194,7 +195,7 @@

     // Only allow string replacements that are possible in Vanilla Doom.  

     // Chocolate Doom is unforgiving!

-    if (tolen > TXT_MaxStringLength(fromlen))

+    if (!deh_allow_long_strings && tolen > TXT_MaxStringLength(fromlen))

     {

         DEH_Error(context, "Replacement string is longer than the maximum "

                            "possible in doom.exe");