dbc223eb84
Import existing source tree; original VCS history is no longer available. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/*(LGPL)
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------------------------------------------------------------
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Game State Manager
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------------------------------------------------------------
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* Copyright (C) 2001-2003, David Olofson
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _GAMESTATEMANAGER_H_
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#define _GAMESTATEMANAGER_H_
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class gamestatemanager_t;
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class gamestate_t
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{
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friend class gamestatemanager_t;
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private:
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gamestate_t *next; //LIFO stack
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gamestatemanager_t *manager;
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protected:
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const char *name;
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int unicode; //for last press()/release()
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void pop();
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virtual void press(int button);
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virtual void release(int button);
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virtual void pos(int x, int y);
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virtual void delta(int dx, int dy);
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virtual void enter();
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virtual void leave();
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virtual void yield();
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virtual void reenter();
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virtual void frame(); //Control system stuff
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virtual void pre_render(); //Background rendering
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virtual void post_render(); //Foreground rendering
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public:
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gamestate_t();
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virtual ~gamestate_t();
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};
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class gamestatemanager_t
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{
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private:
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gamestate_t *top; //Stack top
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public:
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gamestatemanager_t();
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~gamestatemanager_t();
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/* Event router interface */
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void press(int button, int unicode = 0);
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void release(int button, int unicode = 0);
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void pos(int x, int y);
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void delta(int dx, int dy);
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/* CS frame and rendering callbacks */
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void frame();
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void pre_render();
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void post_render();
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/* State management */
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void change(gamestate_t *gs);
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void push(gamestate_t *gs);
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void pop();
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gamestate_t *current();
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gamestate_t *previous();
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};
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#endif /*_GAMESTATEMANAGER_H_*/
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