/*
=================
SCR_CalcRefdef
Must be called whenever vid changes
Internal use only
=================
*/
static void
SCR_CalcRefdef(void)
{
vrect_t vrect;
float size;
scr_fullupdate = 0; // force a background redraw
vid.recalc_refdef = 0;
// force the status bar to redraw
Sbar_Changed();
//========================================
// bound viewsize
if (scr_viewsize.value < 30)
Cvar_Set("viewsize", "30");
if (scr_viewsize.value > 120)
Cvar_Set("viewsize", "120");
// bound field of view
if (scr_fov.value < 10)
Cvar_Set("fov", "10");
if (scr_fov.value > 170)
Cvar_Set("fov", "170");
r_refdef.fov_x = scr_fov.value;
r_refdef.fov_y =
CalcFov(r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height);
// intermission is always full screen
if (cl.intermission)
size = 120;
else
size = scr_viewsize.value;
if (size >= 120)
sb_lines = 0; // no status bar at all
else if (size >= 110)
sb_lines = 24; // no inventory
else
sb_lines = 24 + 16 + 8;
// these calculations mirror those in R_Init() for r_refdef, but take no
// account of water warping
vrect.x = 0;
vrect.y = 0;
vrect.width = vid.width;
vrect.height = vid.height;
R_SetVrect(&vrect, &scr_vrect, sb_lines);
// guard against going from one mode to another that's less than half the
// vertical resolution
if (scr_con_current > vid.height)
scr_con_current = vid.height;
// notify the refresh of the change
R_ViewChanged(&vrect, sb_lines, vid.aspect);
}
void R_SetupFrame (void)
{
int edgecount;
vrect_t vrect;
float w, h;
int dtail = 2; // leilei - screen detail
// don't allow cheats in multiplayer
if (cl.maxclients > 1)
{
Cvar_Set (r_draworder, "0");
Cvar_Set (r_fullbright, "0");
Cvar_Set (r_ambient, "0");
Cvar_Set (r_drawflat, "0");
}
if (r_numsurfs->value)
{
if ((surface_p - surfaces) > r_maxsurfsseen)
r_maxsurfsseen = surface_p - surfaces;
Con_Printf ("Used %d of %d surfs; %d max\n", surface_p - surfaces,
surf_max - surfaces, r_maxsurfsseen);
}
if (r_numedges->value)
{
edgecount = edge_p - r_edges;
if (edgecount > r_maxedgesseen)
r_maxedgesseen = edgecount;
Con_Printf ("Used %d of %d edges; %d max\n", edgecount,
r_numallocatededges, r_maxedgesseen);
}
r_refdef.ambientlight = r_ambient->value;
if (r_refdef.ambientlight < 0)
r_refdef.ambientlight = 0;
if (!sv.active)
r_draworder->value = 0; // don't let cheaters look behind walls
R_CheckVariables ();
R_AnimateLight ();
r_framecount++;
numbtofpolys = 0;
VectorCopy (r_refdef.vieworg, modelorg);
VectorCopy (r_refdef.vieworg, r_origin);
AngleVectors (r_refdef.viewangles, vpn, vright, vup);
// current viewleaf
r_oldviewleaf = r_viewleaf;
r_viewleaf = Mod_PointInLeaf (r_origin, cl.worldmodel);
scalefactoid = vid.height / vid.vconheight; // leilei
r_dowarpold = r_dowarp;
r_dowarp = r_waterwarp->value && (r_viewleaf->contents <= CONTENTS_WATER);
inwat = s_underwater->value && (r_viewleaf->contents <= CONTENTS_WATER);
if ((r_dowarp != r_dowarpold) || r_viewchanged || r_virtualmode->value || lcd_x->value || v_detail->value)
{
if (r_docrap == 1)
{
if ((vid.width <= vid.maxlowwidth) &&
(vid.height <= vid.maxlowheight))
{
vrect.x = 0;
vrect.y = 0;
vrect.width = vid.width;
vrect.height = vid.height;
R_SetVrect (&vrect, &r_refdef.vrect, 0);
R_ViewChanged (&vrect, 0, vid.aspect);
}
else
{
w = vid.width;
h = vid.height;
if (w > vid.maxlowwidth)
{
h *= (float)vid.maxlowwidth / w;
w = vid.maxlowwidth;
}
if (h > vid.maxlowheight)
{
h = vid.maxlowheight;
w *= (float)vid.maxlowheight / h;
}
vrect.x = 0;
vrect.y = 0;
vrect.width = (int)w;
vrect.height = (int)h;
R_SetVrect (&vrect, &r_refdef.vrect, ((float)vid.height));
R_ViewChanged (&vrect, 0, vid.aspect * (h / w) * ((float)vid.width / (float)vid.height));
}
}
else if(r_docrap > 1)
{
if ((vid.width <= vid.maxwarpwidth) &&
(vid.height <= vid.maxwarpheight))
{
vrect.x = 0;
vrect.y = 0;
vrect.width = vid.width;
vrect.height = vid.height;
R_SetVrect (&vrect, &r_refdef.vrect,
((float)vid.height));
R_ViewChanged (&vrect, 0, vid.aspect);
}
else
{
w = vid.width;
h = vid.height;
if (w > vid.maxwarpwidth)
{
h *= (float)vid.maxwarpwidth / w;
w = vid.maxwarpwidth;
}
if (h > vid.maxwarpheight)
{
h = vid.maxwarpheight;
w *= (float)vid.maxwarpheight / h;
}
vrect.x = 0;
vrect.y = 0;
vrect.width = (int)w;
vrect.height = (int)h;
R_SetVrect (&vrect, &r_refdef.vrect, (h/(float)vid.height));
R_ViewChanged (&vrect,
(h/(float)vid.height),
vid.aspect * (h / w) * ((float)vid.width / (float)vid.height));
}
}
else
{
vrect.x = 0;
vrect.y = 0;
vrect.width = vid.width;
vrect.height = vid.height;
R_ViewChanged (&vrect, 0, vid.aspect);
}
r_viewchanged = false;
}
// start off with just the four screen edge clip planes
R_TransformFrustum ();
// save base values
VectorCopy (vpn, base_vpn);
VectorCopy (vright, base_vright);
VectorCopy (vup, base_vup);
VectorCopy (modelorg, base_modelorg);
R_SetSkyFrame (); // Only do the sky moving on Quack
R_SetUpFrustumIndexes ();
r_cache_thrash = false;
// clear frame counts
c_faceclip = 0;
d_spanpixcount = 0;
r_polycount = 0;
r_drawnpolycount = 0;
r_wholepolycount = 0;
r_amodels_drawn = 0;
r_outofsurfaces = 0;
r_outofedges = 0;
// WarpPalette();
#ifdef EXPREND
D_SetupFrameExperimental ();
#else
D_SetupFrame ();
#endif
}
/*
SCR_CalcRefdef
Must be called whenever vid changes
Internal use only
*/
static void
SCR_CalcRefdef (void)
{
vrect_t vrect;
float size;
int h;
qboolean full = false;
scr_fullupdate = 0; // force a background redraw
vid.recalc_refdef = 0;
// force the status bar to redraw
Sbar_Changed ();
//========================================
// bound viewsize
Cvar_SetValue (scr_viewsize, bound (30, scr_viewsize->int_val, 120));
// bound field of view
Cvar_SetValue (scr_fov, bound (10, scr_fov->value, 170));
if (scr_viewsize->int_val >= 120)
sb_lines = 0; // no status bar at all
else if (scr_viewsize->int_val >= 110)
sb_lines = 24; // no inventory
else
sb_lines = 24 + 16 + 8;
if (scr_viewsize->int_val >= 100) {
full = true;
size = 100.0;
} else {
size = scr_viewsize->int_val;
}
// intermission is always full screen
if (cl.intermission) {
full = true;
size = 100.0;
sb_lines = 0;
}
size /= 100.0;
if (!cl_sbar->int_val && full)
h = vid.height;
else
h = vid.height - sb_lines;
r_refdef.vrect.width = vid.width * size + 0.5;
if (r_refdef.vrect.width < 96) {
size = 96.0 / r_refdef.vrect.width;
r_refdef.vrect.width = 96; // min for icons
}
r_refdef.vrect.height = vid.height * size + 0.5;
if (cl_sbar->int_val || !full) {
if (r_refdef.vrect.height > vid.height - sb_lines)
r_refdef.vrect.height = vid.height - sb_lines;
} else if (r_refdef.vrect.height > vid.height)
r_refdef.vrect.height = vid.height;
r_refdef.vrect.x = (vid.width - r_refdef.vrect.width) / 2;
if (full)
r_refdef.vrect.y = 0;
else
r_refdef.vrect.y = (h - r_refdef.vrect.height) / 2;
r_refdef.fov_x = scr_fov->int_val;
r_refdef.fov_y =
CalcFov (r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height);
scr_vrect = r_refdef.vrect;
// these calculations mirror those in R_Init() for r_refdef, but take no
// account of water warping
vrect.x = 0;
vrect.y = 0;
vrect.width = vid.width;
vrect.height = vid.height;
R_SetVrect (&vrect, &scr_vrect, sb_lines);
// guard against going from one mode to another that's less than half the
// vertical resolution
if (scr_con_current > vid.height)
scr_con_current = vid.height;
// notify the refresh of the change
R_ViewChanged (&vrect, sb_lines, vid.aspect);
}