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#include "quakedef.h"
#define MAXRENDERMODULES 64
typedef struct rendermodule_s
{
int active; // set by start, cleared by shutdown
char *name;
void(*start)(void);
void(*shutdown)(void);
void(*newmap)(void);
}
rendermodule_t;
rendermodule_t rendermodule[MAXRENDERMODULES];
void R_Modules_Init(void)
{
Cmd_AddCommand("r_restart", R_Modules_Restart, "restarts renderer");
}
void R_RegisterModule(char *name, void(*start)(void), void(*shutdown)(void), void(*newmap)(void))
{
int i;
for (i = 0;i < MAXRENDERMODULES;i++)
{
if (rendermodule[i].name == NULL)
break;
if (!strcmp(name, rendermodule[i].name))
{
Con_Printf("R_RegisterModule: module \"%s\" registered twice\n", name);
return;
}
}
if (i >= MAXRENDERMODULES)
Sys_Error("R_RegisterModule: ran out of renderer module slots (%i)", MAXRENDERMODULES);
rendermodule[i].active = 0;
rendermodule[i].name = name;
rendermodule[i].start = start;
rendermodule[i].shutdown = shutdown;
rendermodule[i].newmap = newmap;
}
void R_Modules_Start(void)
{
int i;
for (i = 0;i < MAXRENDERMODULES;i++)
{
if (rendermodule[i].name == NULL)
continue;
if (rendermodule[i].active)
{
Con_Printf ("R_StartModules: module \"%s\" already active\n", rendermodule[i].name);
continue;
}
rendermodule[i].active = 1;
rendermodule[i].start();
}
}
void R_Modules_Shutdown(void)
{
int i;
// shutdown in reverse
for (i = MAXRENDERMODULES - 1;i >= 0;i--)
{
if (rendermodule[i].name == NULL)
continue;
if (!rendermodule[i].active)
continue;
rendermodule[i].active = 0;
rendermodule[i].shutdown();
}
}
void R_Modules_Restart(void)
{
Host_StartVideo();
Con_Print("restarting renderer\n");
R_Modules_Shutdown();
R_Modules_Start();
}
void R_Modules_NewMap(void)
{
int i;
for (i = 0;i < MAXRENDERMODULES;i++)
{
if (rendermodule[i].name == NULL)
continue;
if (!rendermodule[i].active)
continue;
rendermodule[i].newmap();
}
}
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