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| 107 | |
| 108 | // -------------------------------------------------------------------------------- |
| 109 | void EveMissileWarhead::UpdateVisibility( const EveUpdateContext& updateContext, const Matrix& parentTransform ) |
| 110 | { |
| 111 | m_isVisible = false; |
| 112 | |
| 113 | // don't give out renderables until this warhead has valid data |
| 114 | if( !m_startDataValid || m_state == STATE_DEAD ) |
| 115 | { |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | m_lodLevel = TR2_LOD_LOW; |
| 120 | |
| 121 | // is this one here enabled? |
| 122 | if( ( m_hideOnLowQuality && Tr2Renderer::IsLowQuality() ) || !m_display ) |
| 123 | { |
| 124 | return; |
| 125 | } |
| 126 | auto& frustum = updateContext.GetFrustum(); |
| 127 | m_isVisible = true; |
| 128 | UpdateViewDependentData( frustum, parentTransform ); |
| 129 | |
| 130 | if( m_mesh ) |
| 131 | { |
| 132 | Vector4 boundingSphere; |
| 133 | if( GetBoundingSphere( boundingSphere ) ) |
| 134 | { |
| 135 | // check visibility with camera or, if threshold set to negative, no culling |
| 136 | if( frustum.IsSphereVisible( &boundingSphere ) ) |
| 137 | { |
| 138 | float estimatedSize = frustum.GetPixelSizeAccross( &boundingSphere ); |
| 139 | if( estimatedSize >= updateContext.GetMediumDetailThreshold() ) |
| 140 | { |
| 141 | m_lodLevel = TR2_LOD_HIGH; |
| 142 | } |
| 143 | // we use VisibilityThreshold instead of LowDetailThreshold because we |
| 144 | // completely hide warhead mesh on low LOD |
| 145 | else if( estimatedSize >= updateContext.GetVisibilityThreshold() ) |
| 146 | { |
| 147 | m_lodLevel = TR2_LOD_MEDIUM; |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | // update stats if we see it |
| 154 | if( m_isVisible ) |
| 155 | { |
| 156 | CCP_STATS_INC( eveVisibleWarheadObjects ); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | // -------------------------------------------------------------------------------- |
| 161 | bool EveMissileWarhead::GetBoundingSphere( Vector4& sphere, BoundingSphereQuery ) const |
nothing calls this directly
no test coverage detected