/*
===============
R_SetupView
===============
*/
void R_SetupView (void)
{
Fog_SetupFrame (); //johnfitz
// build the transformation matrix for the given view angles
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);
V_SetContentsColor (r_viewleaf->contents);
V_CalcBlend ();
r_cache_thrash = false;
//johnfitz -- calculate r_fovx and r_fovy here
r_fovx = r_refdef.fov_x;
r_fovy = r_refdef.fov_y;
render_warp = false;
if (r_waterwarp.value)
{
int contents = Mod_PointInLeaf (r_origin, cl.worldmodel)->contents;
if (contents == CONTENTS_WATER || contents == CONTENTS_SLIME || contents == CONTENTS_LAVA)
{
if (r_waterwarp.value == 1)
render_warp = true;
else
{
//variance is a percentage of width, where width = 2 * tan(fov / 2) otherwise the effect is too dramatic at high FOV and too subtle at low FOV. what a mess!
r_fovx = atan(tan(DEG2RAD(r_refdef.fov_x) / 2) * (0.97 + sin(cl.time * 1.5) * 0.03)) * 2 / M_PI_DIV_180;
r_fovy = atan(tan(DEG2RAD(r_refdef.fov_y) / 2) * (1.03 - sin(cl.time * 1.5) * 0.03)) * 2 / M_PI_DIV_180;
}
}
}
//johnfitz
R_SetFrustum (r_fovx, r_fovy); //johnfitz -- use r_fov* vars
R_MarkSurfaces (); //johnfitz -- create texture chains from PVS
R_CullSurfaces (); //johnfitz -- do after R_SetFrustum and R_MarkSurfaces
R_UpdateWarpTextures (); //johnfitz -- do this before R_Clear
//johnfitz -- cheat-protect some draw modes
r_drawflat_cheatsafe = r_fullbright_cheatsafe = r_lightmap_cheatsafe = false;
r_drawworld_cheatsafe = true;
if (cl.maxclients == 1)
{
if (!r_drawworld.value) r_drawworld_cheatsafe = false;
if (r_drawflat.value) r_drawflat_cheatsafe = true;
else if (r_fullbright.value || !cl.worldmodel->lightdata) r_fullbright_cheatsafe = true;
else if (r_lightmap.value) r_lightmap_cheatsafe = true;
}
//johnfitz
}
void R_SetupGenericView(void)
{
Fog_SetupFrame();
// Build the transformation matrix for the given view angles
Math_VectorCopy(r_refdef.vieworg, r_origin);
Math_AngleVectors(r_refdef.viewangles, vpn, vright, vup);
r_fovx = r_refdef.fov_x;
r_fovy = r_refdef.fov_y;
R_SetFrustum(r_fovx, r_fovy);
Video_ClearBuffer();
}
