ryzom/client/src/r2/tool_select_rotate.h

   1 // Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #ifndef R2_TOOL_SELECT_ROTATE_H
  18 #define R2_TOOL_SELECT_ROTATE_H
  19
  20 #include "tool_maintained_action.h"
  21
  22 namespace R2
  23 {
  24
  25 /**
  26   * Tool to select an element in the scene
  27   * If the left button is maintained down, then the selected element is moved
  28   */
  29 class CToolSelectRotate : public CToolMaintainedAction
  30 {
  31 public:
  32         NLMISC_DECLARE_CLASS(R2::CToolSelectRotate);
  33
  34         CToolSelectRotate();
  35         // from CTool
  36         virtual const char *getToolUIName() const { return "selectRotate"; }
  37         virtual bool  isCreationTool() const { return false; }
  38         virtual bool  isActionPossibleOn(const CInstance &instance) const;
  39 protected:
  40         // from CToolMaintainedAction
  41         virtual bool onMouseLeftButtonDown();
  42         virtual void beginAction(CInstance &instance);
  43         virtual void cancelAction(CInstance &instance);
  44         virtual void commitAction(CInstance &instance);
  45         virtual void updateAction(CInstance &instance);
  46         virtual const char *getCursorForPossibleAction() const { return "r2ed_tool_can_rotate.tga"; }
  47 private:
  48         float   _StartAngle;
  49         sint32  _MouseStartX;
  50 private:
  51         void setRotateInProgress(bool rotateInProgress, CInstance &instance);
  52         // get orientation of an entity (in radians)
  53         static float getEntityAngle(CEntityCL &entity);
  54         // set orientation of an entity (in radians)
  55         static void  setEntityAngle(CEntityCL &entity, CInstance &instance, float angle);
  56
  57 };
  58
  59
  60
  61
  62 } // R2
  63
  64 #endif