patch from Dresk that adds a doom3-like "toggle" console command

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@6369 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/cmd.c b/cmd.c
index b042cd28b3de7cccffaacb127bb2ad099d1f7db3..7f2a113a50df808e97988f3b303e6542c22f22fa 100644 (file)
--- a/cmd.c
+++ b/cmd.c
@@ -302,6 +302,86 @@ static void Cmd_Echo_f (void)
        Con_Print("\n");
 }
 
+// DRESK - 5/14/06
+// Support Doom3-style Toggle Console Command
+/*
+===============
+Cmd_Toggle_f
+
+Toggles a specified console variable amongst the values specified (default is 0 and 1)
+===============
+*/
+static void Cmd_Toggle_f(void)
+{
+       // Acquire Number of Arguments
+       int nNumArgs = Cmd_Argc();
+
+       if(nNumArgs == 1)
+               // No Arguments Specified; Print Usage
+               Con_Print("Toggle Console Variable - Usage\n  toggle <variable> - toggles between 0 and 1\n  toggle <variable> <value> - toggles between 0 and <value>\n  toggle <variable> [string 1] [string 2]...[string n] - cycles through all strings\n");
+       else
+       { // Correct Arguments Specified
+               // Acquire Potential CVar
+               cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
+               
+               if(cvCVar != NULL)
+               { // Valid CVar
+                       if(nNumArgs == 2)
+                       { // Default Usage
+                               if(cvCVar->integer)
+                                       Cvar_SetValueQuick(cvCVar, 0);
+                               else
+                                       Cvar_SetValueQuick(cvCVar, 1);
+                       }
+                       else
+                       if(nNumArgs == 3)
+                       { // 0 and Specified Usage
+                               if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
+                                       // CVar is Specified Value; // Reset to 0
+                                       Cvar_SetValueQuick(cvCVar, 0);
+                               else
+                               if(cvCVar->integer == 0)
+                                       // CVar is 0; Specify Value
+                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                               else
+                                       // CVar does not match; Reset to 0
+                                       Cvar_SetValueQuick(cvCVar, 0);
+                       }
+                       else
+                       { // Variable Values Specified
+                               int nCnt;
+                               int bFound = 0;
+
+                               for(nCnt = 2; nCnt < nNumArgs; nCnt++)
+                               { // Cycle through Values
+                                       if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
+                                       { // Current Value Located; Increment to Next
+                                               if( (nCnt + 1) == nNumArgs)
+                                                       // Max Value Reached; Reset
+                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                                               else
+                                                       // Next Value
+                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
+
+                                               // End Loop
+                                               nCnt = nNumArgs;
+                                               // Assign Found
+                                               bFound = 1;
+                                       }
+                               }
+                               if(!bFound)
+                                       // Value not Found; Reset to Original
+                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                       }
+
+               }
+               else
+               { // Invalid CVar
+                       Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(2) );
+               }
+       }
+}
+
 /*
 ===============
 Cmd_Alias_f
@@ -580,6 +660,10 @@ void Cmd_Init_Commands (void)
        // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
        Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix");
        Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix");
+
+       // DRESK - 5/14/06
+       // Support Doom3-style Toggle Command
+       Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
 }
 
 /*