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https://gitea.wildfiregames.com/0ad/0ad
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157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/* Copyright (C) 2011 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "ModelAbstract.h"
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#include "ps/CLogger.h"
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const CBoundingBoxOriented& CModelAbstract::GetSelectionBox()
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{
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if (!m_SelectionBoxValid)
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{
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CalcSelectionBox();
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m_SelectionBoxValid = true;
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}
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return m_SelectionBox;
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}
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void CModelAbstract::CalcSelectionBox()
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{
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if (m_CustomSelectionShape)
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{
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// custom shape
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switch(m_CustomSelectionShape->m_Type)
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{
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case CustomSelectionShape::BOX:
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{
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// create object-space bounds according to the information in the descriptor, and transform them to world-space.
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// the box is centered on the X and Z axes, but extends from 0 to its height on the Y axis.
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const float width = m_CustomSelectionShape->m_Size0;
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const float depth = m_CustomSelectionShape->m_Size1;
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const float height = m_CustomSelectionShape->m_Height;
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CBoundingBoxAligned bounds;
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bounds += CVector3D(-width/2.f, 0, -depth/2.f);
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bounds += CVector3D( width/2.f, height, depth/2.f);
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bounds.Transform(GetTransform(), m_SelectionBox);
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}
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break;
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case CustomSelectionShape::CYLINDER:
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{
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// TODO: unimplemented
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m_SelectionBox.SetEmpty();
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LOGWARNING("[ModelAbstract] TODO: Cylinder selection boxes are not yet implemented. Use BOX or BOUNDS selection shapes instead.");
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}
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break;
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default:
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{
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m_SelectionBox.SetEmpty();
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//LOGWARNING("[ModelAbstract] Unrecognized selection shape type: %ld", m_CustomSelectionShape->m_Type);
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debug_warn("[ModelAbstract] Unrecognized selection shape type");
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}
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break;
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}
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}
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else
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{
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// standard method
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// Get the object-space bounds that should be used to construct this model (and its children)'s selection box
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CBoundingBoxAligned objBounds = GetObjectSelectionBoundsRec();
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if (objBounds.IsEmpty())
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{
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m_SelectionBox.SetEmpty(); // model does not wish to participate in selection
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return;
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}
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// Prevent the bounding box from extending through the terrain; clip the lower plane at Y=0 in object space.
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if (objBounds[1].Y > 0.f) // should always be the case, unless the models are defined really weirdly
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objBounds[0].Y = std::max(0.f, objBounds[0].Y);
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// transform object-space axis-aligned bounds to world-space arbitrary-aligned box
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objBounds.Transform(GetTransform(), m_SelectionBox);
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}
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}
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