scummvm/engines/nancy/action/miscrecords.h

/* 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 NANCY_ACTION_RECORDTYPES_H
#define NANCY_ACTION_RECORDTYPES_H

#include "engines/nancy/action/actionrecord.h"

namespace Nancy {

class NancyEngine;

namespace Action {

// Changes the palette for the current scene's background. TVD only.
class PaletteThisScene : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	byte _paletteID;
	byte _unknownEnum; // enum w values 1-3
	uint16 _paletteStart;
	uint16 _paletteSize;

protected:
	Common::String getRecordTypeName() const override { return "PaletteThisScene"; }
};

// Changes the palette for the next scene's background. TVD only.
class PaletteNextScene : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	byte _paletteID;

protected:
	Common::String getRecordTypeName() const override { return "PaletteNextScene"; }
};

// Turns on (temporary) lightning effect. TVD Only.
class LightningOn : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	int16 _distance;
	uint16 _pulseTime;
	int16 _rgbPercent;

protected:
	Common::String getRecordTypeName() const override { return "LightningOn"; }
};

// Requests either a fade between two scenes, or a fade to black; fade executes when scene is changed. Nancy2 and up.
class SpecialEffect : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	byte _type = 1;
	uint16 _fadeToBlackTime = 0;
	uint16 _frameTime = 0;
	uint16 _totalTime = 0;
	Common::Rect _rect;

protected:
	Common::String getRecordTypeName() const override { return "SpecialEffect"; }
};

// Adds a caption to the textbox.
class TextBoxWrite : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	Common::String _text;

protected:
	Common::String getRecordTypeName() const override { return "TextBoxWrite"; }
};

// Clears the textbox. Used very rarely.
class TextboxClear : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "TextboxClear"; }
};

// Changes the in-game time. Used prior to the introduction of SetPlayerClock.
class BumpPlayerClock : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	byte _relative;
	uint16 _hours;
	uint16 _minutes;

protected:
	Common::String getRecordTypeName() const override { return "BumpPlayerClock"; }
};

// Creates a Second Chance save.
class SaveContinueGame : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "SaveContinueGame"; }
};

// Stops the screen from rendering. Our rendering system is different from the original engine's,
// so we have no use for this.
class TurnOffMainRendering : public Unimplemented {
public:
	void readData(Common::SeekableReadStream &stream) override;

protected:
	Common::String getRecordTypeName() const override { return "TurnOffMainRendering"; }
};

// Restarts screen rendering. Our rendering system is different from the original engine's,
// so we have no use for this.
class TurnOnMainRendering : public Unimplemented {
public:
	void readData(Common::SeekableReadStream &stream) override;

protected:
	Common::String getRecordTypeName() const override { return "TurnOnMainRendering"; }
};

// Starts the timer. Used in combination with Dependency types that check for
// how much time has passed since the timer was started.
class ResetAndStartTimer : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "ResetAndStartTimer"; }
};

// Stops the timer.
class StopTimer : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "StopTimer"; }
};

// Returns the player back to the main menu
class GotoMenu : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "GotoMenu"; }
};

// Stops the game and boots the player back to the Menu screen, while also making sure
// they can't Continue. The devs took care to add Second Chance saves before every one
// of these, to make sure the player can return to a state just before the dangerous part.
class LoseGame : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "LoseGame"; }
};

// Adds a scene to the "stack" (which is just a single value). Used in combination with PopScene.
class PushScene : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "PushScene"; }
};

// Changes to the scene pushed onto the "stack". Scenes can be pushed via PushScene, or Conversation types.
class PopScene : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "PopScene"; }
};

// Ends the game and boots the player to the Credits screen.
// TODO: The original engine also sets a config option called PlayerWonTheGame,
// which in turn is used to trigger whichever event flag marks that the player
// has beat the game at least once, which in turn allows easter eggs to be shown.
// We currently support none of this.
class WinGame : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

protected:
	Common::String getRecordTypeName() const override { return "WinGame"; }
};

// Checks how many hints the player is allowed to get. If they are still allowed hints,
// it selects an appropriate one and plays its sound/displays its caption in the Textbox.
// The hint system was _only_ used in nancy1, since it's pretty limited and overly punishing.
class HintSystem : public ActionRecord {
public:
	void readData(Common::SeekableReadStream &stream) override;
	void execute() override;

	byte _characterID; // 0x00
	SoundDescription _genericSound; // 0x01

	const Hint *selectedHint;
	int16 _hintID;

	void selectHint();

protected:
	Common::String getRecordTypeName() const override { return "HintSystem"; }
};

} // End of namespace Action
} // End of namespace Nancy

#endif // NANCY_ACTION_MISCRECORDS_H