/*
* R_DrawSkyPortal
*/
void R_DrawSkyPortal( const entity_t *e, skyportal_t *skyportal, vec3_t mins, vec3_t maxs )
{
int x, y, w, h;
if( !R_ScissorForEntity( e, mins, maxs, &x, &y, &w, &h ) ) {
return;
}
if( !R_PushRefInst() ) {
return;
}
rn.renderFlags = ( rn.renderFlags|RF_SKYPORTALVIEW|RF_SOFT_PARTICLES );
VectorCopy( skyportal->vieworg, rn.pvsOrigin );
rn.farClip = R_DefaultFarClip();
rn.clipFlags = 15;
rn.shadowGroup = NULL;
rn.meshlist = &r_skyportallist;
//Vector4Set( rn.scissor, rn.refdef.x + x, rn.refdef.y + y, w, h );
if( skyportal->noEnts ) {
rn.renderFlags |= RF_NOENTS;
}
if( skyportal->scale )
{
vec3_t centre, diff;
VectorAdd( rsh.worldModel->mins, rsh.worldModel->maxs, centre );
VectorScale( centre, 0.5f, centre );
VectorSubtract( centre, rn.viewOrigin, diff );
VectorMA( skyportal->vieworg, -skyportal->scale, diff, rn.refdef.vieworg );
}
else
{
VectorCopy( skyportal->vieworg, rn.refdef.vieworg );
}
// FIXME
if( !VectorCompare( skyportal->viewanglesOffset, vec3_origin ) )
{
vec3_t angles;
mat3_t axis;
Matrix3_Copy( rn.refdef.viewaxis, axis );
VectorInverse( &axis[AXIS_RIGHT] );
Matrix3_ToAngles( axis, angles );
VectorAdd( angles, skyportal->viewanglesOffset, angles );
AnglesToAxis( angles, axis );
Matrix3_Copy( axis, rn.refdef.viewaxis );
}
rn.refdef.rdflags &= ~( RDF_UNDERWATER|RDF_CROSSINGWATER|RDF_SKYPORTALINVIEW );
if( skyportal->fov )
{
rn.refdef.fov_x = skyportal->fov;
rn.refdef.fov_y = CalcFov( rn.refdef.fov_x, rn.refdef.width, rn.refdef.height );
if( glConfig.wideScreen && !( rn.refdef.rdflags & RDF_NOFOVADJUSTMENT ) )
AdjustFov( &rn.refdef.fov_x, &rn.refdef.fov_y, glConfig.width, glConfig.height, qfalse );
}
R_RenderView( &rn.refdef );
// restore modelview and projection matrices, scissoring, etc for the main view
R_PopRefInst( ~GL_COLOR_BUFFER_BIT );
}
/*
* R_DrawSkyportal
*/
static void R_DrawSkyportal( const entity_t *e, skyportal_t *skyportal ) {
if( !R_PushRefInst() ) {
return;
}
rn.renderFlags = ( rn.renderFlags | RF_PORTALVIEW );
//rn.renderFlags &= ~RF_SOFT_PARTICLES;
VectorCopy( skyportal->vieworg, rn.pvsOrigin );
rn.nearClip = Z_NEAR;
rn.farClip = R_DefaultFarClip();
rn.polygonFactor = POLYOFFSET_FACTOR;
rn.polygonUnits = POLYOFFSET_UNITS;
rn.clipFlags = 15;
rn.meshlist = &r_skyportallist;
rn.portalmasklist = NULL;
rn.rtLight = NULL;
//Vector4Set( rn.scissor, rn.refdef.x + x, rn.refdef.y + y, w, h );
if( skyportal->noEnts ) {
rn.renderFlags |= RF_ENVVIEW;
}
if( skyportal->scale ) {
vec3_t centre, diff;
VectorAdd( rsh.worldModel->mins, rsh.worldModel->maxs, centre );
VectorScale( centre, 0.5f, centre );
VectorSubtract( centre, rn.viewOrigin, diff );
VectorMA( skyportal->vieworg, -skyportal->scale, diff, rn.refdef.vieworg );
} else {
VectorCopy( skyportal->vieworg, rn.refdef.vieworg );
}
// FIXME
if( !VectorCompare( skyportal->viewanglesOffset, vec3_origin ) ) {
vec3_t angles;
mat3_t axis;
Matrix3_Copy( rn.refdef.viewaxis, axis );
VectorInverse( &axis[AXIS_RIGHT] );
Matrix3_ToAngles( axis, angles );
VectorAdd( angles, skyportal->viewanglesOffset, angles );
AnglesToAxis( angles, axis );
Matrix3_Copy( axis, rn.refdef.viewaxis );
}
rn.refdef.rdflags &= ~( RDF_UNDERWATER | RDF_CROSSINGWATER | RDF_SKYPORTALINVIEW );
if( skyportal->fov ) {
rn.refdef.fov_y = WidescreenFov( skyportal->fov );
rn.refdef.fov_x = CalcHorizontalFov( rn.refdef.fov_y, rn.refdef.width, rn.refdef.height );
}
R_SetupViewMatrices( &rn.refdef );
R_SetupFrustum( &rn.refdef, rn.nearClip, rn.farClip, rn.frustum, rn.frustumCorners );
R_SetupPVS( &rn.refdef );
R_RenderView( &rn.refdef );
// restore modelview and projection matrices, scissoring, etc for the main view
R_PopRefInst();
}
