The GtkRadiant sources as originally released under the GPL license.

radiant/select.h

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+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GtkRadiant is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#if !defined(INCLUDED_SELECT_H)
+#define INCLUDED_SELECT_H
+
+#include "math/vector.h"
+
+void Select_GetBounds(Vector3& mins, Vector3& maxs);
+void Select_GetMid(Vector3& mid);
+
+void Select_Delete();
+void Select_Invert();
+void Scene_ExpandSelectionToEntities();
+
+void Selection_Flipx();
+void Selection_Flipy();
+void Selection_Flipz();
+void Selection_Rotatex();
+void Selection_Rotatey();
+void Selection_Rotatez();
+
+
+void Selection_MoveDown();
+void Selection_MoveUp();
+
+void Select_AllOfType();
+
+void DoRotateDlg();
+void DoScaleDlg();
+
+
+void Select_SetShader(const char* shader);
+
+class TextureProjection;
+void Select_SetTexdef(const TextureProjection& projection);
+
+class ContentsFlagsValue;
+void Select_SetFlags(const ContentsFlagsValue& flags);
+
+void Select_RotateTexture(float amt);
+void Select_ScaleTexture(float x, float y);
+void Select_ShiftTexture(float x, float y);
+void Select_FitTexture(float horizontal = 1, float vertical = 1);
+void FindReplaceTextures(const char* pFind, const char* pReplace, bool bSelected);
+
+void HideSelected();
+void Select_ShowAllHidden();
+
+// updating workzone to a given brush (depends on current view)
+
+void Selection_construct();
+void Selection_destroy();
+
+
+struct select_workzone_t
+{
+  // defines the boundaries of the current work area
+  // is used to guess brushes and drop points third coordinate when creating from 2D view
+  Vector3 d_work_min, d_work_max;
+
+  select_workzone_t() :
+    d_work_min(-64.0f,-64.0f,-64.0f),
+    d_work_max( 64.0f, 64.0f, 64.0f)
+  {
+  }
+};
+
+const select_workzone_t& Select_getWorkZone();
+
+#endif