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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 AGI_PREAGI_PREAGI_H
#define AGI_PREAGI_PREAGI_H
#include "agi/agi.h"
namespace Audio {
class SoundHandle;
class PCSpeaker;
}
namespace Agi {
// default attributes
#define IDA_DEFAULT 0x0F
#define IDA_DEFAULT_REV 0xF0
#define IDI_SND_OSCILLATOR_FREQUENCY 1193180
#define IDI_SND_TIMER_RESOLUTION 0.0182
#define kColorDefault 0x1337
#define IDI_MAX_ROW_PIC 20
enum SelectionTypes {
kSelYesNo,
kSelNumber,
kSelSpace,
kSelAnyKey,
kSelBackspace
};
// Options for controlling behavior during waits and sound playback
enum WaitOptions {
kWaitBlock = 0x00, // no event processing, cannot be interrupted
kWaitProcessEvents = 0x01, // process events, stops on quit
kWaitAllowInterrupt = 0x03 // process events, stops on input or quit
};
class PreAgiEngine : public AgiBase {
int _gameId;
protected:
void initialize() override;
int getKeypress() override { return 0; }
bool isKeypress() override { return false; }
void clearKeyQueue() override {}
PreAgiEngine(OSystem *syst, const AGIGameDescription *gameDesc);
~PreAgiEngine() override;
int getGameId() const { return _gameId; }
void clearImageStack() override {}
void recordImageStackCall(uint8 type, int16 p1, int16 p2, int16 p3,
int16 p4, int16 p5, int16 p6, int16 p7) override {}
void replayImageStackCall(uint8 type, int16 p1, int16 p2, int16 p3,
int16 p4, int16 p5, int16 p6, int16 p7) override {}
void releaseImageStack() override {}
int saveGame(const Common::String &fileName, const Common::String &saveName) { return -1; }
int loadGame(const Common::String &fileName, bool checkId = true) { return -1; }
// Game
Common::String getTargetName() const { return _targetName; }
// Screen
void clearScreen(int attr, bool overrideDefault = true);
void clearGfxScreen(int attr);
void setDefaultTextColor(int attr) { _defaultColor = attr; }
byte getWhite() const;
// Keyboard
int getSelection(SelectionTypes type);
// Random number between 1 and max. Example: rnd(2) returns 1 or 2.
int rnd(int max);
// Text
void drawStr(int row, int col, int attr, const char *buffer);
void clearTextArea();
void clearRow(int row);
static void XOR80(char *buffer);
void printStr(const char *szMsg);
void printStrXOR(char *szMsg);
// Saved Games
Common::SaveFileManager *getSaveFileMan() { return _saveFileMan; }
bool playSpeakerNote(int16 frequency, int32 length, WaitOptions options);
bool wait(uint32 delay, WaitOptions options = kWaitProcessEvents);
private:
int _defaultColor;
Audio::PCSpeaker *_speakerStream;
Audio::SoundHandle *_speakerHandle;
};
} // End of namespace Agi
#endif
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