scummvm/engines/kyra/items_lol.cpp

302 lines
6.7 KiB
C++

/* 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.
*
* $URL$
* $Id$
*
*/
#ifdef ENABLE_LOL
#include "kyra/lol.h"
#include "kyra/screen_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)
delay(_tickLength, 1);
}
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].next;
}
if (t) {
cnt = diff;
r = i;
}
}
int slot = i;
if (cnt) {
slot = r;
if (testUnkItemFlags(r)) {
if (_itemsInPlay[r].next)
_itemsInPlay[_itemsInPlay[r].next].level = _itemsInPlay[r].level;
deleteItem(r);
slot = r;
} else {
int ii = _itemsInPlay[slot].next;
while (ii) {
if (testUnkItemFlags(ii)) {
_itemsInPlay[slot].next = _itemsInPlay[ii].next;
deleteItem(ii);
slot = ii;
break;
} else {
slot = ii;
}
ii = _itemsInPlay[slot].next;
}
}
}
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::addItemToInventory(int itemIndex) {
int pos = 0;
int i = 0;
for (; i < 48; i++) {
pos = _inventoryCurItem + i;
if (pos > 47)
pos -= 48;
if (!_inventory[pos])
break;
}
if (i == 48)
return false;
while ((_inventoryCurItem > pos) || ((_inventoryCurItem + 9) <= pos)) {
if (++_inventoryCurItem > 47)
_inventoryCurItem -= 48;
gui_drawInventory();
}
_inventory[pos] = itemIndex;
gui_drawInventory();
return true;
}
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::deleteItem(int itemIndex) {
memset(&_itemsInPlay[itemIndex], 0, sizeof(ItemInPlay));
_itemsInPlay[itemIndex].shpCurFrame_flg |= 0x8000;
}
ItemInPlay *LoLEngine::findItem(uint16 index) {
if (index & 0x8000)
return (ItemInPlay *)&_monsters[index & 0x7fff];
else
return &_itemsInPlay[index];
}
void LoLEngine::runItemScript(int charNum, int item, int reg0, int reg3, int reg4) {
EMCState scriptState;
memset(&scriptState, 0, sizeof(EMCState));
uint8 func = item ? _itemProperties[_itemsInPlay[item].itemPropertyIndex].itemScriptFunc : 3;
if (func == 0xff)
return;
_emc->init(&scriptState, &_itemScript);
_emc->start(&scriptState, func);
scriptState.regs[0] = reg0;
scriptState.regs[1] = charNum;
scriptState.regs[2] = item;
scriptState.regs[3] = reg3;
scriptState.regs[4] = reg4;
while (_emc->isValid(&scriptState))
_emc->run(&scriptState);
}
void LoLEngine::setHandItem(uint16 itemIndex) {
if (itemIndex && _itemProperties[_itemsInPlay[itemIndex].itemPropertyIndex].flags & 0x80) {
runItemScript(-1, itemIndex, 0x400, 0, 0);
if (_itemsInPlay[itemIndex].shpCurFrame_flg & 0x8000)
itemIndex = 0;
}
int mouseOffs = 0;
if (itemIndex && !(_gameFlags[15] & 0x200)) {
mouseOffs = 10;
if (!_hideControls || textEnabled())
_txt->printMessage(0, getLangString(0x403E), getLangString(_itemProperties[_itemsInPlay[itemIndex].itemPropertyIndex].nameStringId));
}
_itemInHand = itemIndex;
_screen->setMouseCursor(mouseOffs, mouseOffs, getItemIconShapePtr(itemIndex));
}
void LoLEngine::clickSceneSub1() {
assignBlockCaps(_currentBlock, _currentDirection);
_screen->fillRect(112, 0, 287, 119, 0);
static const uint8 sceneItemWidth[] = { 0, 254, 1, 255, 2, 0, 1, 255 } ;
static const uint8 sceneClickTileIndex[] = { 13, 16};
int16 x1 = 0;
int16 x2 = 0;
for (int i = 0; i < 2; i++) {
uint8 tile = sceneClickTileIndex[i];
setLevelShapesDim(sceneClickTileIndex[i], x1, x2, 13);
uint16 s = _curBlockCaps[tile]->field_6;
int t = (i << 7) + 1;
while (s) {
if (s & 0x8000) {
s &= 0x7fff;
s = _monsters[i].unk2;
} else {
ItemInPlay *item = &_itemsInPlay[s];
if (item->shpCurFrame_flg & 0x4000) {
if (checkMonsterSpace(item->x, item->y, _partyPosX, _partyPosY) > 319)
break;
int w = sceneItemWidth[s & 7] << 1;
int h = sceneItemWidth[(s >> 1) & 7] + 5;
if (item->unk4 > 1)
h -= ((item->unk4 - 1) * 6);
uint8 shpIx = _itemProperties[item->itemPropertyIndex].shpIndex;
uint8 *shp = (_itemProperties[item->itemPropertyIndex].flags & 0x40) ? _gameShapes[shpIx] : _itemShapes[_gameShapeMap[shpIx]];
drawItemOrMonster(shp, 0, item->x, item->y, w, h, 0, t, 0);
}
s = item->unk2;
t++;
}
}
}
}
int LoLEngine::checkMonsterSpace(int itemX, int itemY, int partyX, int partyY) {
int a = itemX - partyX;
if (a < 0)
a = -a;
int b = itemY - partyY;
if (b < 0)
b = -b;
return a + b;
}
int LoLEngine::checkSceneForItems(LevelBlockProperty *block, int pos) {
return -1;
}
void LoLEngine::foundItemSub(int item, int block) {
}
} // end of namespace Kyra
#endif // ENABLE_LOL