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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GOB_UTIL_H
#define GOB_UTIL_H
#include "common/str.h"
#include "common/keyboard.h"
#include "common/events.h"
namespace Common {
class SeekableReadStream;
}
namespace Gob {
class GobEngine;
#define KEYBUFSIZE 16
enum MouseButtons {
kMouseButtonsNone = 0,
kMouseButtonsLeft = 1,
kMouseButtonsRight = 2,
kMouseButtonsBoth = 3,
kMouseButtonsAny = 4
};
enum Keys {
kKeyNone = 0x0000,
kKeyBackspace = 0x0E08,
kKeySpace = 0x3920,
kKeyReturn = 0x1C0D,
kKeyEscape = 0x011B,
kKeyDelete = 0x5300,
kKeyUp = 0x4800,
kKeyDown = 0x5000,
kKeyRight = 0x4D00,
kKeyLeft = 0x4B00,
kKeyF1 = 0x3B00,
kKeyF2 = 0x3C00,
kKeyF3 = 0x3D00,
kKeyF4 = 0x3E00,
kKeyF5 = 0x3F00,
kKeyF6 = 0x4000,
kKeyF7 = 0x4100,
kKeyF8 = 0x4200,
kKeyF9 = 0x4300,
kKeyF10 = 0x4400
};
enum ShortKey {
kShortKeyUp = 0x0B,
kShortKeyDown = 0x0A,
kShortKeyRight = 0x09,
kShortKeyLeft = 0x08,
kShortKeyEscape = 0x1B,
kShortKeyBackspace = 0x19,
kShortKeyDelete = 0x1A
};
class Util {
public:
struct ListNode;
struct ListNode {
void *pData;
struct ListNode *pNext;
struct ListNode *pPrev;
ListNode() : pData(0), pNext(0), pPrev(0) {}
};
struct List {
ListNode *pHead;
ListNode *pTail;
List() : pHead(0), pTail(0) {}
};
uint32 getTimeKey();
int16 getRandom(int16 max);
void beep(int16 freq);
void notifyPaused(uint32 duration);
void delay(uint16 msecs);
void longDelay(uint16 msecs);
void initInput();
void processInput(bool scroll = false);
void clearKeyBuf();
int16 getKey();
int16 checkKey();
bool checkKey(int16 &key);
bool keyPressed();
uint32 getKeyState() const;
void getMouseState(int16 *pX, int16 *pY, MouseButtons *pButtons);
void setMousePos(int16 x, int16 y);
void waitMouseUp();
void waitMouseDown();
void waitMouseRelease(char drawMouse);
void forceMouseUp(bool onlyWhenSynced = false);
void clearPalette();
int16 getFrameRate();
void setFrameRate(int16 rate);
void notifyNewAnim();
void waitEndFrame(bool handleInput = true);
void setScrollOffset(int16 x = -1, int16 y = -1);
static void insertStr(const char *str1, char *str2, int16 pos);
static void cutFromStr(char *str, int16 from, int16 cutlen);
static void cleanupStr(char *str);
static void replaceChar(char *str, char c1, char c2);
static void listInsertFront(List *list, void *data);
static void listInsertBack(List *list, void *data);
static void listDropFront(List *list);
static void deleteList(List *list);
static char *setExtension(char *str, const char *ext);
static Common::String setExtension(const Common::String &str, const Common::String &ext);
/** Read a constant-length string out of a stream. */
static Common::String readString(Common::SeekableReadStream &stream, int n);
/** Convert a character in CP850 encoding to the equivalent lower case character. */
static char toCP850Lower(char cp850);
/** Convert a character in CP850 encoding to the equivalent upper case character. */
static char toCP850Upper(char cp850);
Util(GobEngine *vm);
protected:
MouseButtons _mouseButtons;
Common::KeyState _keyBuffer[KEYBUFSIZE];
int16 _keyBufferHead;
int16 _keyBufferTail;
uint8 _fastMode;
int16 _frameRate;
int16 _frameWaitTime;
uint32 _startFrameTime;
uint32 _keyState;
GobEngine *_vm;
bool keyBufferEmpty();
void addKeyToBuffer(const Common::KeyState &key);
bool getKeyFromBuffer(Common::KeyState &key);
int16 translateKey(const Common::KeyState &key);
int16 toCP850(uint16 latin1);
void checkJoystick();
void keyDown(const Common::Event &event);
void keyUp(const Common::Event &event);
};
} // End of namespace Gob
#endif // GOB_UTIL_H
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