#include "quakedef.h" static cvar_t d_mipcap = {"d_mipcap", "0"};static cvar_t d_mipscale = {"d_mipscale", "1"}; surfcache_t *d_initial_rover;bool d_roverwrapped;int d_minmip;float d_scalemip[MIPLEVELS - 1]; extern int *r_turb_turb; static float basemip[MIPLEVELS - 1] = {1.0, 0.5 * 0.8, 0.25 * 0.8}; voidD_Init(void){	Cvar_RegisterVariable(&d_mipcap);	Cvar_RegisterVariable(&d_mipscale); 	r_recursiveaffinetriangles = true;	r_aliasuvscale = 1.0;} voidD_SetupFrame(void){	int i; 	r_turb_turb = sintable + ((int)(cl.time * SPEED) & (TURB_CYCLE - 1)); 	dvars.fb = r_dowarp ? r_warpbuffer : vid.buffer;	dvars.w = vid.width; 	d_roverwrapped = false;	d_initial_rover = sc_rover; 	d_minmip = clamp(d_mipcap.value, 0, MIPLEVELS - 1); 	for(i = 0; i < MIPLEVELS - 1; i++)		d_scalemip[i] = basemip[i] * d_mipscale.value;}