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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.
*
* $URL$
* $Id$
*
*/
#include <time.h> // FIXME: for Inter::renewTimeInVars()
#include "common/endian.h"
#include "gob/gob.h"
#include "gob/inter.h"
#include "gob/global.h"
#include "gob/util.h"
#include "gob/draw.h"
#include "gob/game.h"
#include "gob/parse.h"
#include "gob/scenery.h"
#include "gob/sound/sound.h"
namespace Gob {
Inter::Inter(GobEngine *vm) : _vm(vm) {
_terminate = 0;
_break = false;
for (int i = 0; i < 8; i++) {
_animPalLowIndex[i] = 0;
_animPalHighIndex[i] = 0;
_animPalDir[i] = 0;
}
_breakFromLevel = 0;
_nestLevel = 0;
_soundEndTimeKey = 0;
_soundStopVal = 0;
memset(_varStack, 0, 300);
memset(_varSizesStack, 0, 300);
_varStackPos = 0;
_noBusyWait = false;
_variables = 0;
}
Inter::~Inter() {
delocateVars();
}
void Inter::initControlVars(char full) {
*_nestLevel = 0;
*_breakFromLevel = -1;
*_vm->_scenery->_pCaptureCounter = 0;
_break = false;
_terminate = 0;
if (full == 1) {
for (int i = 0; i < 8; i++)
_animPalDir[i] = 0;
_soundEndTimeKey = 0;
}
}
int16 Inter::load16() {
int16 tmp = (int16) READ_LE_UINT16(_vm->_global->_inter_execPtr);
_vm->_global->_inter_execPtr += 2;
return tmp;
}
char Inter::evalExpr(int16 *pRes) {
byte token;
_vm->_parse->printExpr(99);
_vm->_parse->parseExpr(99, &token);
if (!pRes)
return token;
switch (token) {
case 20:
*pRes = _vm->_global->_inter_resVal;
break;
case 22:
case 23:
*pRes = 0;
break;
case 24:
*pRes = 1;
break;
}
return token;
}
bool Inter::evalBoolResult() {
byte token;
_vm->_parse->printExpr(99);
_vm->_parse->parseExpr(99, &token);
if ((token == 24) || ((token == 20) && _vm->_global->_inter_resVal))
return true;
else
return false;
}
void Inter::renewTimeInVars() {
struct tm t;
_vm->_system->getTimeAndDate(t);
WRITE_VAR(5, 1900 + t.tm_year);
WRITE_VAR(6, t.tm_mon + 1);
WRITE_VAR(7, 0);
WRITE_VAR(8, t.tm_mday);
WRITE_VAR(9, t.tm_hour);
WRITE_VAR(10, t.tm_min);
WRITE_VAR(11, t.tm_sec);
}
void Inter::storeMouse() {
int16 x;
int16 y;
x = _vm->_global->_inter_mouseX;
y = _vm->_global->_inter_mouseY;
_vm->_draw->adjustCoords(1, &x, &y);
WRITE_VAR(2, x);
WRITE_VAR(3, y);
WRITE_VAR(4, _vm->_game->_mouseButtons);
}
void Inter::storeKey(int16 key) {
WRITE_VAR(12, _vm->_util->getTimeKey() - _vm->_game->_startTimeKey);
storeMouse();
WRITE_VAR(1, _vm->_sound->blasterPlayingSound());
if (key == 0x4800)
key = 0x0B;
else if (key == 0x5000)
key = 0x0A;
else if (key == 0x4D00)
key = 0x09;
else if (key == 0x4B00)
key = 0x08;
else if (key == 0x011B)
key = 0x1B;
else if (key == 0x0E08)
key = 0x19;
else if (key == 0x5300)
key = 0x1A;
else if ((key & 0xFF) != 0)
key &= 0xFF;
WRITE_VAR(0, key);
if (key != 0)
_vm->_util->clearKeyBuf();
}
void Inter::funcBlock(int16 retFlag) {
OpFuncParams params;
byte cmd;
byte cmd2;
params.retFlag = retFlag;
if (!_vm->_global->_inter_execPtr)
return;
_break = false;
_vm->_global->_inter_execPtr++;
params.cmdCount = *_vm->_global->_inter_execPtr++;
_vm->_global->_inter_execPtr += 2;
if (params.cmdCount == 0) {
_vm->_global->_inter_execPtr = 0;
return;
}
int startaddr = _vm->_global->_inter_execPtr - _vm->_game->_totFileData;
params.counter = 0;
do {
if (_terminate)
break;
// WORKAROUND:
// The EGA and Mac versions of gob1 doesn't add a delay after showing
// images between levels. We manually add it here.
if ((_vm->getGameType() == kGameTypeGob1) &&
(_vm->isEGA() || (_vm->getPlatform() == Common::kPlatformMacintosh))) {
int addr = _vm->_global->_inter_execPtr-_vm->_game->_totFileData;
if ((startaddr == 0x18B4 && addr == 0x1A7F && // Zombie, EGA
!strncmp(_vm->_game->_curTotFile, "avt005.tot", 10)) ||
(startaddr == 0x188D && addr == 0x1A58 && // Zombie, Mac
!strncmp(_vm->_game->_curTotFile, "avt005.tot", 10)) ||
(startaddr == 0x1299 && addr == 0x139A && // Dungeon
!strncmp(_vm->_game->_curTotFile, "avt006.tot", 10)) ||
(startaddr == 0x11C0 && addr == 0x12C9 && // Cauldron, EGA
!strncmp(_vm->_game->_curTotFile, "avt012.tot", 10)) ||
(startaddr == 0x11C8 && addr == 0x1341 && // Cauldron, Mac
!strncmp(_vm->_game->_curTotFile, "avt012.tot", 10)) ||
(startaddr == 0x09F2 && addr == 0x0AF3 && // Statue
!strncmp(_vm->_game->_curTotFile, "avt016.tot", 10)) ||
(startaddr == 0x0B92 && addr == 0x0C93 && // Castle
!strncmp(_vm->_game->_curTotFile, "avt019.tot", 10)) ||
(startaddr == 0x17D9 && addr == 0x18DA && // Finale, EGA
!strncmp(_vm->_game->_curTotFile, "avt022.tot", 10)) ||
(startaddr == 0x17E9 && addr == 0x19A8 && // Finale, Mac
!strncmp(_vm->_game->_curTotFile, "avt022.tot", 10))) {
_vm->_util->longDelay(5000);
}
} // End of workaround
cmd = *_vm->_global->_inter_execPtr;
if ((cmd >> 4) >= 12) {
cmd2 = 16 - (cmd >> 4);
cmd &= 0xF;
} else
cmd2 = 0;
_vm->_global->_inter_execPtr++;
params.counter++;
if (cmd2 == 0)
cmd >>= 4;
if (executeFuncOpcode(cmd2, cmd, params))
return;
if (_vm->shouldQuit())
break;
if (_break) {
if (params.retFlag != 2)
break;
if (*_breakFromLevel == -1)
_break = false;
break;
}
} while (params.counter != params.cmdCount);
_vm->_global->_inter_execPtr = 0;
return;
}
void Inter::callSub(int16 retFlag) {
byte block;
while (!_vm->shouldQuit() && _vm->_global->_inter_execPtr &&
(_vm->_global->_inter_execPtr != _vm->_game->_totFileData)) {
block = *_vm->_global->_inter_execPtr;
if (block == 1)
funcBlock(retFlag);
else if (block == 2)
_vm->_game->collisionsBlock();
else
error("Unknown block type %d in Inter::callSub()", block);
}
if (_vm->_global->_inter_execPtr == _vm->_game->_totFileData)
_terminate = 1;
}
void Inter::allocateVars(uint32 count) {
if (_vm->getEndianness() == kEndiannessBE)
_variables = new VariablesBE(count * 4);
else
_variables = new VariablesLE(count * 4);
}
void Inter::delocateVars() {
delete _variables;
_variables = 0;
}
} // End of namespace Gob
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