/*
================
sdAdEntity::UpdateImpression
================
*/
void sdAdEntity::UpdateImpression( impressionInfo_t& impression, const renderView_t& view, const sdBounds2D& viewPort ) {
assert( adSurface );
sdWorldToScreenConverter converter( view );
sdBounds2D screenBounds;
idVec2 screenCenter;
const idBounds& surfaceBounds = adSurface->geometry->bounds;
idVec3 sufaceCenter = renderEntity.origin + ( surfaceBounds.GetCenter() * renderEntity.axis );
impression.screenWidth = viewPort.GetWidth();
impression.screenHeight = viewPort.GetHeight();
converter.SetExtents( idVec2( impression.screenWidth, impression.screenHeight ) );
converter.Transform( surfaceBounds, renderEntity.axis, renderEntity.origin, screenBounds );
converter.Transform( sufaceCenter, screenCenter );
sdBounds2D clippedImpressionBounds;
idFrustum f;
f.SetAxis( view.viewaxis );
f.SetOrigin( view.vieworg );
float dNear = 0.0f;
float dFar = MAX_WORLD_SIZE;
float dLeft = idMath::Tan( DEG2RAD( view.fov_x * 0.5f ) ) * dFar;
float dUp = idMath::Tan( DEG2RAD( view.fov_y * 0.5f ) ) * dFar;
f.SetSize( dNear, dFar, dLeft, dUp );
sdWorldToScreenConverter::TransformClipped( surfaceBounds, renderEntity.axis, renderEntity.origin, clippedImpressionBounds, f, idVec2( impression.screenWidth, impression.screenHeight ) );
impression.size = ( clippedImpressionBounds.GetMaxs() - clippedImpressionBounds.GetMins() ).Length();
// Angle calculation
idVec3 objectNormal = adSurfaceNormal * renderEntity.axis;
impression.angle = objectNormal * -view.viewaxis[ 0 ];
// Offscreen determination
impression.inView = true;
// If the center point is off screen, and if either of the two bounding points are offscreen
// then the entire object is considered to be offscreen
if ( !viewPort.ContainsPoint( screenCenter ) ) {
if ( !viewPort.ContainsPoint( screenBounds.GetMins() ) || !viewPort.ContainsPoint( screenBounds.GetMaxs() ) ) {
impression.inView = false;
}
}
lastImpression = impression;
}
/*
============
sdUICrosshairInfo::DrawBrackets
============
*/
void sdUICrosshairInfo::DrawBrackets( const sdBounds2D& bounds, const idVec4& color ) {
const float screenWidth = SCREEN_WIDTH * 1.0f / deviceContext->GetAspectRatioCorrection();
float left = bounds.GetLeft();
float right = bounds.GetRight();
float top = bounds.GetTop();
float bottom = bounds.GetBottom();
float width = bounds.GetWidth();
float height = bounds.GetHeight();
idVec2 center( left + width * 0.5f, top + height * 0.5f );
float size = width * 0.25f;
//
// left half
//
idVec4 rect;
rect.Set( left - crosshairParts[ CP_L_BRACKET_TOP ].width, top, crosshairParts[ CP_L_BRACKET_TOP ].width, height );
DrawThreeVerticalParts( rect, color, vec2_one, crosshairParts[ CP_L_BRACKET_TOP ], crosshairParts[ CP_L_BRACKET_CENTER ], crosshairParts[ CP_L_BRACKET_BOTTOM ] );
rect.Set( right, top, crosshairParts[ CP_L_BRACKET_TOP ].width, height );
DrawThreeVerticalParts( rect, color, vec2_one, crosshairParts[ CP_R_BRACKET_TOP ], crosshairParts[ CP_R_BRACKET_CENTER ], crosshairParts[ CP_R_BRACKET_BOTTOM ] );
}
