shithub: choc

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ref: 0fd26e606caf3db945e8e2813fac9c886bb49ada
parent: 59b322bd845d8ba6bf0eae7c04d28a8239bcb0bc
parent: ab050f0a6f70c33215e591dae3d7591d966c01dc
author: Simon Howard <[email protected]>
date: Sat Apr 30 20:52:09 EDT 2016

Merge pull request #703 from chocolate-doom/gamevariant

introduce a "gamevariant" variable to tell different IWADs apart

--- a/src/d_mode.h
+++ b/src/d_mode.h
@@ -74,6 +74,16 @@
     exe_strife_1_31  // Strife v1.31
 } GameVersion_t;
 
+// What IWAD variant are we using?
+
+typedef enum
+{
+    vanilla,    // Vanilla Doom
+    freedoom,   // FreeDoom: Phase 1 + 2
+    freedm,     // FreeDM
+    bfgedition, // Doom Classic (Doom 3: BFG Edition)
+} GameVariant_t;
+
 // Skill level.
 
 typedef enum
--- a/src/doom/d_main.c
+++ b/src/doom/d_main.c
@@ -118,9 +118,6 @@
 // Store demo, do not accept any inputs
 boolean         storedemo;
 
-// "BFG Edition" version of doom2.wad does not include TITLEPIC.
-boolean         bfgedition;
-
 // If true, the main game loop has started.
 boolean         main_loop_started = false;
 
@@ -411,7 +408,7 @@
 //
 void D_DoomLoop (void)
 {
-    if (bfgedition &&
+    if (gamevariant == bfgedition &&
         (demorecording || (gameaction == ga_playdemo) || netgame))
     {
         printf(" WARNING: You are playing using one of the Doom Classic\n"
@@ -579,7 +576,7 @@
 
     // The Doom 3: BFG Edition version of doom2.wad does not have a
     // TITLETPIC lump. Use INTERPIC instead as a workaround.
-    if (bfgedition && !strcasecmp(pagename, "TITLEPIC")
+    if (gamevariant == bfgedition && !strcasecmp(pagename, "TITLEPIC")
         && W_CheckNumForName("titlepic") < 0)
     {
         pagename = DEH_String("INTERPIC");
@@ -812,9 +809,6 @@
 
 void D_SetGameDescription(void)
 {
-    boolean is_freedoom = W_CheckNumForName("FREEDOOM") >= 0,
-            is_freedm = W_CheckNumForName("FREEDM") >= 0;
-
     gamedescription = "Unknown";
 
     if (logical_gamemission == doom)
@@ -821,7 +815,7 @@
     {
         // Doom 1.  But which version?
 
-        if (is_freedoom)
+        if (gamevariant == freedoom)
         {
             gamedescription = GetGameName("Freedoom: Phase 1");
         }
@@ -844,17 +838,14 @@
     {
         // Doom 2 of some kind.  But which mission?
 
-        if (is_freedoom)
+        if (gamevariant == freedm)
         {
-            if (is_freedm)
-            {
-                gamedescription = GetGameName("FreeDM");
-            }
-            else
-            {
-                gamedescription = GetGameName("Freedoom: Phase 2");
-            }
+            gamedescription = GetGameName("FreeDM");
         }
+        else if (gamevariant == freedoom)
+        {
+            gamedescription = GetGameName("Freedoom: Phase 2");
+        }
         else if (logical_gamemission == doom2)
         {
             gamedescription = GetGameName("DOOM 2: Hell on Earth");
@@ -1126,7 +1117,7 @@
 static void LoadIwadDeh(void)
 {
     // The Freedoom IWADs have DEHACKED lumps that must be loaded.
-    if (W_CheckNumForName("FREEDOOM") >= 0)
+    if (gamevariant == freedoom || gamevariant == freedm)
     {
         // Old versions of Freedoom (before 2014-09) did not have technically
         // valid DEHACKED lumps, so ignore errors and just continue if this
@@ -1437,6 +1428,24 @@
         LoadIwadDeh();
     }
 
+    // Check which IWAD variant we are using.
+
+    if (W_CheckNumForName("FREEDOOM") >= 0)
+    {
+        if (W_CheckNumForName("FREEDM") >= 0)
+        {
+            gamevariant = freedm;
+        }
+        else
+        {
+            gamevariant = freedoom;
+        }
+    }
+    else if (W_CheckNumForName("DMENUPIC") >= 0)
+    {
+        gamevariant = bfgedition;
+    }
+
     // Doom 3: BFG Edition includes modified versions of the classic
     // IWADs which can be identified by an additional DMENUPIC lump.
     // Furthermore, the M_GDHIGH lumps have been modified in a way that
@@ -1445,10 +1454,9 @@
     // We specifically check for DMENUPIC here, before PWADs have been
     // loaded which could probably include a lump of that name.
 
-    if (W_CheckNumForName("dmenupic") >= 0)
+    if (gamevariant == bfgedition)
     {
         printf("BFG Edition: Using workarounds as needed.\n");
-        bfgedition = true;
 
         // BFG Edition changes the names of the secret levels to
         // censor the Wolfenstein references. It also has an extra
@@ -1635,7 +1643,7 @@
     // Freedoom's IWADs are Boom-compatible, which means they usually
     // don't work in Vanilla (though FreeDM is okay). Show a warning
     // message and give a link to the website.
-    if (W_CheckNumForName("FREEDOOM") >= 0 && W_CheckNumForName("FREEDM") < 0)
+    if (gamevariant == freedoom)
     {
         printf(" WARNING: You are playing using one of the Freedoom IWAD\n"
                " files, which might not work in this port. See this page\n"
--- a/src/doom/doomstat.c
+++ b/src/doom/doomstat.c
@@ -25,6 +25,7 @@
 GameMode_t gamemode = indetermined;
 GameMission_t	gamemission = doom;
 GameVersion_t   gameversion = exe_final2;
+GameVariant_t   gamevariant = vanilla;
 char *gamedescription;
 
 // Set if homebrew PWAD stuff has been added.
--- a/src/doom/doomstat.h
+++ b/src/doom/doomstat.h
@@ -56,10 +56,8 @@
 extern GameMode_t	gamemode;
 extern GameMission_t	gamemission;
 extern GameVersion_t    gameversion;
+extern GameVariant_t    gamevariant;
 extern char            *gamedescription;
-
-// If true, we're using one of the mangled BFG edition IWADs.
-extern boolean bfgedition;
 
 // Convenience macro.
 // 'gamemission' can be equal to pack_chex or pack_hacx, but these are