implement the option to make evolution and equipment free

when the new g_freeStuff cvar is true, alien evolution and human equipment is free, with the exception of grenades; furthermore, aliens constantly have 9 evos, as a hack to allow clients to fully use the evolution menu at all times

3 files changed, 38 insertions, 8 deletions

diff --git a/src/game/g_cmds.c b/src/game/g_cmds.c
index 9246a644..1b67ddaf 100644
--- a/src/game/g_cmds.c
+++ b/src/game/g_cmds.c
@@ -1875,8 +1875,10 @@ void Cmd_Class_f( gentity_t *ent )
       }
 
       cost = BG_ClassCanEvolveFromTo( currentClass, newClass,
-                                      ent->client->pers.credit,
+                                      g_freeStuff.integer ? ALIEN_MAX_CREDITS : ent->client->pers.credit,
                                       g_alienStage.integer, 0 );
+      if( g_freeStuff.integer && cost > 0 )
+        cost = 0;
 
       if( G_RoomForClassChange( ent, newClass, infestOrigin ) )
       {
@@ -2212,7 +2214,7 @@ void Cmd_Buy_f( gentity_t *ent )
     }
 
     //can afford this?
-    if( BG_Weapon( weapon )->price > (short)ent->client->pers.credit )
+    if( BG_Weapon( weapon )->price > (short)ent->client->pers.credit && !g_freeStuff.integer )
     {
       G_TriggerMenu( ent->client->ps.clientNum, MN_H_NOFUNDS );
       return;
@@ -2243,7 +2245,8 @@ void Cmd_Buy_f( gentity_t *ent )
     ent->client->ps.stats[ STAT_MISC ] = 0;
 
     //subtract from funds
-    G_AddCreditToClient( ent->client, -(short)BG_Weapon( weapon )->price, qfalse );
+    if( !g_freeStuff.integer )
+      G_AddCreditToClient( ent->client, -(short)BG_Weapon( weapon )->price, qfalse );
   }
   else if( upgrade != UP_NONE )
   {
@@ -2255,7 +2258,8 @@ void Cmd_Buy_f( gentity_t *ent )
     }
 
     //can afford this?
-    if( BG_Upgrade( upgrade )->price > (short)ent->client->pers.credit )
+    if( BG_Upgrade( upgrade )->price > (short)ent->client->pers.credit &&
+        ( !g_freeStuff.integer || upgrade == UP_GRENADE ) )
     {
       G_TriggerMenu( ent->client->ps.clientNum, MN_H_NOFUNDS );
       return;
@@ -2316,7 +2320,8 @@ void Cmd_Buy_f( gentity_t *ent )
       G_GiveClientMaxAmmo( ent, qtrue );
 
     //subtract from funds
-    G_AddCreditToClient( ent->client, -(short)BG_Upgrade( upgrade )->price, qfalse );
+    if( !g_freeStuff.integer || upgrade == UP_GRENADE )
+      G_AddCreditToClient( ent->client, -(short)BG_Upgrade( upgrade )->price, qfalse );
   }
   else
   {
@@ -2387,7 +2392,8 @@ void Cmd_Sell_f( gentity_t *ent )
       ent->client->ps.stats[ STAT_BUILDABLE ] = BA_NONE;
 
       //add to funds
-      G_AddCreditToClient( ent->client, (short)BG_Weapon( weapon )->price, qfalse );
+      if( !g_freeStuff.integer )
+        G_AddCreditToClient( ent->client, (short)BG_Weapon( weapon )->price, qfalse );
     }
 
     //if we have this weapon selected, force a new selection
@@ -2428,7 +2434,8 @@ void Cmd_Sell_f( gentity_t *ent )
         G_GiveClientMaxAmmo( ent, qtrue );
 
       //add to funds
-      G_AddCreditToClient( ent->client, (short)BG_Upgrade( upgrade )->price, qfalse );
+      if( !g_freeStuff.integer || upgrade == UP_GRENADE )
+        G_AddCreditToClient( ent->client, (short)BG_Upgrade( upgrade )->price, qfalse );
     }
   }
   else if( !Q_stricmp( s, "upgrades" ) )
@@ -2462,7 +2469,8 @@ void Cmd_Sell_f( gentity_t *ent )
           G_GiveClientMaxAmmo( ent, qtrue );
 
         //add to funds
-        G_AddCreditToClient( ent->client, (short)BG_Upgrade( i )->price, qfalse );
+        if( !g_freeStuff.integer || i == UP_GRENADE )
+          G_AddCreditToClient( ent->client, (short)BG_Upgrade( i )->price, qfalse );
       }
     }
   }
diff --git a/src/game/g_local.h b/src/game/g_local.h
index b6d65c78..081de6cb 100644
--- a/src/game/g_local.h
+++ b/src/game/g_local.h
@@ -1207,6 +1207,7 @@ extern  vmCvar_t  g_specChat;
 extern  vmCvar_t  g_publicAdminMessages;
 extern  vmCvar_t  g_allowTeamOverlay;
 
+extern  vmCvar_t  g_freeStuff;
 extern  vmCvar_t  g_censorship;
 
 void      trap_Print( const char *fmt );
diff --git a/src/game/g_main.c b/src/game/g_main.c
index 72c144b9..4212d771 100644
--- a/src/game/g_main.c
+++ b/src/game/g_main.c
@@ -140,6 +140,7 @@ vmCvar_t  g_specChat;
 vmCvar_t  g_publicAdminMessages;
 vmCvar_t  g_allowTeamOverlay;
 
+vmCvar_t  g_freeStuff;
 vmCvar_t  g_censorship;
 
 vmCvar_t  g_tag;
@@ -281,6 +282,7 @@ static cvarTable_t   gameCvarTable[ ] =
   { &g_publicAdminMessages, "g_publicAdminMessages", "1", CVAR_ARCHIVE, 0, qfalse  },
   { &g_allowTeamOverlay, "g_allowTeamOverlay", "1", CVAR_ARCHIVE, 0, qtrue  },
 
+  { &g_freeStuff, "g_freeStuff", "0", CVAR_ARCHIVE, 0, qtrue  },
   { &g_censorship, "g_censorship", "", CVAR_ARCHIVE, 0, qfalse  },
 
   { &g_tag, "g_tag", "gpp", CVAR_INIT, 0, qfalse }
@@ -2342,6 +2344,25 @@ void G_RunFrame( int levelTime )
   // now we are done spawning
   level.spawning = qfalse;
 
+  // give 9 evos to all aliens, to let clients evolve via the menu
+  if( g_freeStuff.integer )
+  {
+    int i;
+    for( i = 0; i < g_maxclients.integer; ++i )
+    {
+      gclient_t *cl = &g_clients[i];
+      if( cl->pers.connected != CON_CONNECTED )
+        continue;
+
+      if( cl->pers.teamSelection == TEAM_ALIENS )
+      {
+        cl->pers.credit = ALIEN_MAX_CREDITS;
+        if( cl->sess.spectatorState != SPECTATOR_FOLLOW )
+          cl->ps.persistant[ PERS_CREDIT ] = cl->pers.credit;
+      }
+    }
+  }
+
   //
   // go through all allocated objects
   //