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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 Ivan Dubrov
* Copyright (C) 2004-2006 The ScummVM project
*
* 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.
*
* $URL$
* $Id$
*
*/
#ifndef GOB_UTIL_H
#define GOB_UTIL_H
#include "gob/video.h"
#include "gob/global.h"
namespace Gob {
#define KEYBUFSIZE 16
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) {}
};
void initInput(void);
void processInput(void);
void waitKey(void);
int16 getKey(void);
int16 checkKey(void);
int16 getRandom(int16 max);
void getMouseState(int16 *pX, int16 *pY, int16 *pButtons);
void setMousePos(int16 x, int16 y);
void longDelay(uint16 msecs);
void delay(uint16 msecs);
void beep(int16 freq);
uint32 getTimeKey(void);
void waitMouseUp(void);
void waitMouseDown(void);
void keyboard_init(void);
void keyboard_release(void);
void clearPalette(void);
void asm_setPaletteBlock(char *tmpPalBuffer, int16 start, int16 end);
void vid_waitRetrace(int16 mode);
Video::FontDesc *loadFont(const char *path);
void freeFont(Video::FontDesc * fontDesc);
static void insertStr(const char *str1, char *str2, int16 pos);
static void cutFromStr(char *str, int16 from, int16 cutlen);
void waitEndFrame();
void setFrameRate(int16 rate);
static void listInsertBack(List * list, void *data);
static void listInsertFront(List * list, void *data);
static void listDropFront(List * list);
static void deleteList(List * list);
static void prepareStr(char *str);
void waitMouseRelease(char drawMouse);
static const char trStr1[];
static const char trStr2[];
static const char trStr3[];
inline uint8 readVariableByte(char *address) {
int16 whichVar = address - _vm->_global->_inter_variables;
int16 whichVarByte = whichVar % 4;
whichVar >>= 2;
return ((VAR(whichVar) >> 8 * (3-whichVarByte)) & 0xFF);
}
inline void writeVariableByte(char *address, uint8 value) {
int16 whichVar = address - _vm->_global->_inter_variables;
int16 whichVarByte = whichVar % 4;
whichVar >>= 2;
VAR(whichVar) &= ~(0xFF << 8 * (3-whichVarByte));
VAR(whichVar) |= ((uint32) value) << 8 * (3-whichVarByte);
}
Util(GobEngine *vm);
protected:
int16 _mouseX, _mouseY, _mouseButtons;
int16 _keyBuffer[KEYBUFSIZE], _keyBufferHead, _keyBufferTail;
GobEngine *_vm;
void addKeyToBuffer(int16 key);
bool keyBufferEmpty();
bool getKeyFromBuffer(int16& key);
int16 translateKey(int16 key);
int16 calcDelayTime();
void checkJoystick();
};
} // End of namespace Gob
#endif
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