ref: fe2a32889ef6968fb533876bf2492927a9406344
dir: /cvar.c/
#include "quakedef.h" /* ============ Cvar_FindVar ============ */ cvar_t *Cvar_FindVar (char *name) { cvar_t *v; v = Con_FindObject(name); if(v != nil && iscmd(v)) v = nil; return v; } /* ============ Cvar_VariableValue ============ */ float Cvar_VariableValue (char *var_name) { cvar_t *var; var = Cvar_FindVar (var_name); if (!var) return 0; return atof(var->string); } /* ============ Cvar_VariableString ============ */ char *Cvar_VariableString (char *var_name) { cvar_t *var; var = Cvar_FindVar (var_name); if (!var) return ""; return var->string; } /* ============ Cvar_RegisterVariable Adds a freestanding variable to the variable list. ============ */ void Cvar_RegisterVariable (cvar_t *variable) { char *oldstr; // first check to see if it has already been defined if(Con_FindObject(variable->name) != nil){ Con_Printf("Can't register variable %s, already defined\n", variable->name); return; } // copy the value off, because future sets will Z_Free it oldstr = variable->string; variable->string = Z_Malloc(strlen(variable->string)+1); strcpy(variable->string, oldstr); variable->value = atof(variable->string); Con_AddObject(variable->name, variable); } /* ============ Cvar_Command Handles variable inspection and changing from the console ============ */ bool Cvar_Command (void) { cvar_t *v; // check variables v = Cvar_FindVar(Cmd_Argv(0)); if(v == nil) return false; // perform a variable print or set if (Cmd_Argc() == 1) { Con_Printf ("\"%s\" is \"%s\"\n", v->name, v->string); if(v->cb != nil) v->cb(v); return true; } setcvar(v->name, Cmd_Argv(1)); return true; } void setcvar(char *k, char *v) { int n; cvar_t *cv; cv = Cvar_FindVar(k); if(cv == nil){ Con_DPrintf("setcvar: no such cvar %s\n", k); return; } n = strcmp(cv->string, k); Z_Free(cv->string); cv->string = Z_Malloc(strlen(v)+1); strcpy(cv->string, v); cv->value = atof(v); if(n && cv->server && sv.active) SV_BroadcastPrintf("\"%s\" changed to \"%s\"\n", cv->name, cv->string); if(cv->cb != nil) cv->cb(cv); } void setcvarv(char *k, float v) { char u[32]; snprint(u, sizeof(u), "%f", v); setcvar(k, u); }