Fix engine not starting on Windows if linked against SDL > 2.0.5

[xonotic/darkplaces.git] / cvar.h

diff --git a/cvar.h b/cvar.h
index 9014c50fb5ad4c52ca237ab023e6f2eacb427e26..2ac7f451c4f3690b1f340a0dbb18fe7d0973c2a4 100644 (file)
--- a/cvar.h
+++ b/cvar.h
@@ -68,7 +68,9 @@ interface from being ambiguous.
 // this means that this cvar should update a userinfo key but the name does not correspond directly to the userinfo key to update, and may require additional conversion ("_cl_color" for example should update "topcolor" and "bottomcolor")
 #define CVAR_NQUSERINFOHACK 64
 // used to determine if flags is valid
-#define CVAR_MAXFLAGSVAL 127
+#define CVAR_NORESETTODEFAULTS 128
+// for engine-owned cvars that must not be reset on gametype switch (e.g. scr_screenshot_name, which otherwise isn't set to the mod name properly)
+#define CVAR_MAXFLAGSVAL 255
 // for internal use only!
 #define CVAR_DEFAULTSET (1<<30)
 #define CVAR_ALLOCATED (1<<31)
@@ -112,15 +114,28 @@ typedef struct cvar_s
 {
        int flags;
 
-       char *name;
+       const char *name;
 
-       char *string;
-       char *description;
+       const char *string;
+       const char *description;
        int integer;
        float value;
        float vector[3];
 
-       char *defstring;
+       const char *defstring;
+
+       // values at init (for Cvar_RestoreInitState)
+       qboolean initstate; // indicates this existed at init
+       int initflags;
+       const char *initstring;
+       const char *initdescription;
+       int initinteger;
+       float initvalue;
+       float initvector[3];
+       const char *initdefstring;
+
+       int globaldefindex[3];
+       int globaldefindex_stringno[3];
 
        //menucvar_t menuinfo;
        struct cvar_s *next;
@@ -149,9 +164,15 @@ void Cvar_SetValue (const char *var_name, float value);
 void Cvar_SetQuick (cvar_t *var, const char *value);
 void Cvar_SetValueQuick (cvar_t *var, float value);
 
+float Cvar_VariableValueOr (const char *var_name, float def);
+// returns def if not defined
+
 float Cvar_VariableValue (const char *var_name);
 // returns 0 if not defined or non numeric
 
+const char *Cvar_VariableStringOr (const char *var_name, const char *def);
+// returns def if not defined
+
 const char *Cvar_VariableString (const char *var_name);
 // returns an empty string if not defined
 
@@ -172,6 +193,9 @@ qboolean Cvar_Command (void);
 // command.  Returns true if the command was a variable reference that
 // was handled. (print or change)
 
+void Cvar_SaveInitState(void);
+void Cvar_RestoreInitState(void);
+
 void Cvar_UnlockDefaults (void);
 void Cvar_LockDefaults_f (void);
 void Cvar_ResetToDefaults_All_f (void);
@@ -199,6 +223,7 @@ void Cvar_List_f (void);
 
 void Cvar_Set_f (void);
 void Cvar_SetA_f (void);
+void Cvar_Del_f (void);
 // commands to create new cvars (or set existing ones)
 // seta creates an archived cvar (saved to config)
 
@@ -206,9 +231,11 @@ void Cvar_SetA_f (void);
 /// or merely sets its value if it already exists.
 cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *newdescription);
 
-extern char *cvar_dummy_description; // ALWAYS the same pointer
+extern const char *cvar_dummy_description; // ALWAYS the same pointer
 extern cvar_t *cvar_vars; // used to list all cvars
 
+void Cvar_UpdateAllAutoCvars(void); // updates ALL autocvars of the active prog to the cvar values (savegame loading)
+
 #ifdef FILLALLCVARSWITHRUBBISH
 void Cvar_FillAll_f();
 #endif /* FILLALLCVARSWITHRUBBISH */