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102 lines
2.3 KiB
C++
102 lines
2.3 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/stdafx.h"
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#include "agos/agos.h"
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#include "agos/intern.h"
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namespace AGOS {
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int AGOSEngine::canPlace(Item *x, Item *y) {
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Item *z = derefItem(x->parent);
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SubObject *o = (SubObject *)findChildOfType(y, 2);
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int ct;
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int cap = 0;
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if (o == NULL)
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return(0); /* Fits Fine */
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xPlace(x,NULL); /* Avoid disturbing figures */
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if (o)
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cap = sizeContents(y);
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xPlace(x, z);
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if ((o) && (o->objectFlags & kOFVolume)) {
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ct = getOffsetOfChild2Param(o, kOFVoice);
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cap = o->objectFlagValue[ct] - cap;
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cap -= sizeOfRec(x, 0); /* - size of item going in */
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if (cap < 0)
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return -1; /* Too big to fit */
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}
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return 0;
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}
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void AGOSEngine::xPlace(Item *x, Item *y) {
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if (x->parent != 0)
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unlinkItem(x);
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linkItem(x, y);
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}
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int AGOSEngine::sizeContents(Item *x) {
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return sizeRec(x, 0);
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}
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int AGOSEngine::sizeRec(Item *x, int d) {
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Item *o;
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int n = 0;
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o = derefItem(x->child);
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if (d > 32)
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return(0);
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while (o) {
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n += sizeOfRec(o,d);
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o = derefItem(o->child);
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}
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return n;
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}
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int AGOSEngine::sizeOfRec(Item *o, int d) {
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SubObject *a = (SubObject *)findChildOfType(o, 2);
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int ct;
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if ((a) && (a->objectFlags & kOFSoft)) {
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if (a->objectFlags & kOFSize) {
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ct = getOffsetOfChild2Param(a, kOFSize);
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return a->objectFlagValue[ct] + sizeRec(o, d + 1);
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}
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return sizeRec(o, d + 1);
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}
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if ((a) && (a->objectFlags & kOFSize)) {
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ct = getOffsetOfChild2Param(a, kOFSize);
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return a->objectFlagValue[ct];
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}
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return 0;
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}
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} // End of namespace AGOS
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