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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ULTIMA_SHARED_EARLY_GAME_BASE_H
#define ULTIMA_SHARED_EARLY_GAME_BASE_H
#include "common/scummsys.h"
#include "common/array.h"
#include "common/serializer.h"
#include "ultima/shared/engine/events.h"
#include "ultima/shared/engine/input_handler.h"
#include "ultima/shared/engine/input_translator.h"
namespace Ultima {
namespace Shared {
class UltimaEngine;
class GameState;
namespace Gfx {
class Font;
class Popup;
class TextCursor;
class TextInput;
class VisualItem;
} // End of namespace Gfx
namespace Maps {
class Map;
} // End of namespace Maps
/**
* Base class for the game implementations
*/
class GameBase : public TreeItem, public EventTarget {
private:
/**
* Checks for the presence of any savegames and, if present,
* lets the user pick one to resume
*/
int getSavegameSlot();
void leftButtonDoubleClick(const Point &mousePos) override;
void middleButtonDoubleClick(const Point &mousePos) override;
void rightButtonDoubleClick(const Point &mousePos);
/**
* Returns true if the player can control the mouse
*/
bool isMouseControlEnabled() const { return true; }
void changeView(const Common::String &name);
protected:
uint32 _priorLeftDownTime;
uint32 _priorMiddleDownTime;
uint32 _priorRightDownTime;
Gfx::VisualItem *_currentView;
Gfx::Popup *_pendingPopup;
InputHandler _inputHandler;
InputTranslator _inputTranslator;
Gfx::Font *_font;
public:
Gfx::TextCursor *_textCursor;
uint _videoMode;
public:
/**
* Constructor
*/
GameBase();
/**
* Destructor
*/
~GameBase() override;
/**
* Called to handle any regular updates the game requires
*/
void onIdle() override;
void mouseMove(const Point &mousePos) override;
void leftButtonDown(const Point &mousePos) override;
void leftButtonUp(const Point &mousePos) override;
void middleButtonDown(const Point &mousePos) override;
void middleButtonUp(const Point &mousePos) override;
void rightButtonDown(const Point &mousePos) override;
void rightButtonUp(const Point &mousePos) override;
void mouseWheel(const Point &mousePos, bool wheelUp) override;
void keyDown(Common::KeyState keyState) override;
/**
* Called when the game starts
*/
virtual void starting(bool isLoading) {}
/**
* Returns true if the current video mode is VGA
*/
virtual bool isVGA() const { return false; }
/**
* Called once every frame to update the game and render the view
*/
void update();
/**
* Called by the event handler when a mouse event has been generated
*/
void mouseChanged();
/**
* Set the currently active view to display
*/
void setView(Gfx::VisualItem *view);
/**
* Set the currently active view to display
*/
void setView(const Common::String &viewName);
/**
* Sets a popup to be shown
*/
void setPopup(Gfx::Popup *popup);
/**
* Returns the current view
*/
Gfx::VisualItem *getView() const { return _currentView; }
/**
* Set a font to use
*/
void setFont(Gfx::Font *font);
/**
* Returns the current font
*/
Gfx::Font *getFont() const { return _font; }
/**
* Returns the map
*/
virtual Maps::Map *getMap() const { return nullptr; }
/**
* Gets a random number
*/
uint getRandomNumber(uint max);
/**
* Gets a random number
*/
uint getRandomNumber(uint min, uint max);
/**
* Wait for a given period of time
*/
void sleep(uint time);
/**
* Return the current time
*/
uint32 getMillis() const;
/**
* Returns true if a savegame can currently be loaded
*/
virtual bool canLoadGameStateCurrently() { return true; }
/**
* Returns true if the game can currently be saved
*/
virtual bool canSaveGameStateCurrently() { return false; }
/**
* Handles loading and saving games
*/
virtual void synchronize(Common::Serializer &s);
};
} // End of namespace Shared
} // End of namespace Ultima
#endif
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