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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 "kyra/lol.h"
namespace Kyra {
void LoLEngine::giveCredits(int credits, int redraw) {
static const uint8 stashSetupData[] = { 4, 4, 4, 4, 2, 2, 2, 3, 3, 0, 1, 1 };
if (redraw)
snd_playSoundEffect(0x65, 0xff);
int t = credits / 30;
if (!t)
t = 1;
int cnt = 0;
while (credits) {
if (t > credits)
t = credits;
if (_credits < 60 && t >= 0) {
cnt = 0;
do {
if (_credits < 60) {
int d = stashSetupData[_credits % 12] - _credits / 12;
if (d < 0)
d += 5;
_moneyColumnHeight[d]++;
}
_credits++;
} while(++cnt < t);
} else if (_credits >= 60) {
_credits += t;
}
if (redraw) {
gui_drawMoneyBox(6);
//if (credits)
// TODO: delay/update
}
credits -= t;
}
}
int LoLEngine::makeItem(int itemIndex, int curFrame, int flags) {
int cnt = 0;
int r = 0;
int i = 1;
for (; i < 400; i++) {
if (_itemsInPlay[i].shpCurFrame_flg & 0x8000) {
cnt = 0;
break;
}
if (_itemsInPlay[i].level < 1 || _itemsInPlay[i].level > 29 || _itemsInPlay[i].level == _currentLevel)
continue;
int diff = ABS(_currentLevel - _itemsInPlay[i].level);
if (diff <= cnt)
continue;
bool t = false;
int ii = i;
while (ii && !t) {
t = testUnkItemFlags(ii);
if (t)
break;
else
ii = _itemsInPlay[ii - 1].itemIndexUnk;
}
if (t) {
cnt = diff;
r = i;
}
}
int slot = i;
if (cnt) {
slot = r;
if (testUnkItemFlags(r)) {
if (_itemsInPlay[r].itemIndexUnk)
_itemsInPlay[_itemsInPlay[r].itemIndexUnk].level = _itemsInPlay[r].level;
clearItemTableEntry(r);
slot = r;
} else {
int ii = _itemsInPlay[slot].itemIndexUnk;
while(ii) {
if (testUnkItemFlags(ii)) {
_itemsInPlay[slot].itemIndexUnk = _itemsInPlay[ii].itemIndexUnk;
clearItemTableEntry(ii);
slot = ii;
break;
} else {
slot = ii;
}
ii = _itemsInPlay[slot].itemIndexUnk;
}
}
}
memset(&_itemsInPlay[slot], 0, sizeof(ItemInPlay));
_itemsInPlay[slot].itemPropertyIndex = itemIndex;
_itemsInPlay[slot].shpCurFrame_flg = (curFrame & 0x1fff) | flags;
_itemsInPlay[slot].level = -1;
return slot;
}
bool LoLEngine::testUnkItemFlags(int itemIndex) {
if (!(_itemsInPlay[itemIndex].shpCurFrame_flg & 0x4000))
return false;
if (_itemProperties[_itemsInPlay[itemIndex].itemPropertyIndex].flags & 4)
return false;
return true;
}
void LoLEngine::clearItemTableEntry(int itemIndex) {
memset(&_itemsInPlay[itemIndex], 0, sizeof(ItemInPlay));
_itemsInPlay[itemIndex].shpCurFrame_flg |= 0x8000;
}
void *LoLEngine::cmzGetItemOffset(uint16 index) {
if (index & 0x8000)
return &_lvlBuffer[index & 0x7fff];
else
return &_itemsInPlay[index];
}
void LoLEngine::runItemScript(int reg1, int slot, int reg0, int reg3, int reg4) {
EMCState scriptState;
memset(&scriptState, 0, sizeof(EMCState));
uint8 func = slot ? _itemProperties[_itemsInPlay[slot].itemPropertyIndex].itemScriptFunc : 3;
if (func == 0xff)
return;
_emc->init(&scriptState, &_itemScript);
_emc->start(&scriptState, func);
scriptState.regs[0] = reg0;
scriptState.regs[1] = reg1;
scriptState.regs[2] = slot;
scriptState.regs[3] = reg3;
scriptState.regs[4] = reg4;
while (_emc->isValid(&scriptState))
_emc->run(&scriptState);
}
} // end of namespace Kyra
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