mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-23 02:11:38 +00:00
466 lines
9.6 KiB
C++
466 lines
9.6 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.
|
|
*
|
|
*/
|
|
|
|
|
|
|
|
#include "common/file.h"
|
|
#include "common/textconsole.h"
|
|
|
|
#include "agos/intern.h"
|
|
#include "agos/agos.h"
|
|
#include "agos/vga.h"
|
|
|
|
namespace AGOS {
|
|
|
|
Child *AGOSEngine::allocateChildBlock(Item *i, uint type, uint size) {
|
|
Child *child = (Child *)allocateItem(size);
|
|
child->next = i->children;
|
|
i->children = child;
|
|
child->type = type;
|
|
return child;
|
|
}
|
|
|
|
void *AGOSEngine::allocateItem(uint size) {
|
|
byte *item = new byte[size];
|
|
|
|
memset(item, 0, size);
|
|
_itemHeap.push_back(item);
|
|
return item;
|
|
}
|
|
|
|
void AGOSEngine::allocItemHeap() {
|
|
_itemHeap.clear();
|
|
}
|
|
|
|
bool AGOSEngine_Elvira2::hasIcon(Item *item) {
|
|
SubObject *child = (SubObject *)findChildOfType(item, kObjectType);
|
|
return (child && (child->objectFlags & kOFIcon) != 0);
|
|
}
|
|
|
|
bool AGOSEngine::hasIcon(Item *item) {
|
|
return (getUserFlag(item, 7) != 0);
|
|
}
|
|
|
|
uint AGOSEngine_Elvira2::itemGetIconNumber(Item *item) {
|
|
SubObject *child = (SubObject *)findChildOfType(item, kObjectType);
|
|
uint offs;
|
|
|
|
if (child == NULL || !(child->objectFlags & kOFIcon))
|
|
return 0;
|
|
|
|
offs = getOffsetOfChild2Param(child, 0x10);
|
|
return child->objectFlagValue[offs];
|
|
}
|
|
|
|
uint AGOSEngine::itemGetIconNumber(Item *item) {
|
|
return getUserFlag(item, 7);
|
|
}
|
|
|
|
void AGOSEngine::setItemState(Item *item, int value) {
|
|
item->state = value;
|
|
}
|
|
|
|
void AGOSEngine::createPlayer() {
|
|
SubPlayer *p;
|
|
|
|
_currentPlayer = _itemArrayPtr[1];
|
|
_currentPlayer->adjective = -1;
|
|
_currentPlayer->noun = 10000;
|
|
|
|
p = (SubPlayer *)allocateChildBlock(_currentPlayer, kPlayerType, sizeof(SubPlayer));
|
|
if (p == NULL)
|
|
error("createPlayer: player create failure");
|
|
|
|
p->size = 0;
|
|
p->weight = 0;
|
|
p->strength = 6000;
|
|
p->flags = 1; // Male
|
|
p->level = 1;
|
|
p->score = 0;
|
|
|
|
setUserFlag(_currentPlayer, 0, 0);
|
|
}
|
|
|
|
Child *AGOSEngine::findChildOfType(Item *i, uint type) {
|
|
Item *b = NULL;
|
|
Child *child = i->children;
|
|
|
|
for (; child; child = child->next) {
|
|
if (child->type == type)
|
|
return child;
|
|
if (child->type == 255)
|
|
b = derefItem(((SubInherit *)(child))->inMaster);
|
|
}
|
|
if (b) {
|
|
child = b->children;
|
|
for (; child; child = child->next) {
|
|
if (child->type == type)
|
|
return child;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int AGOSEngine::getUserFlag(Item *item, int a) {
|
|
SubUserFlag *subUserFlag;
|
|
|
|
subUserFlag = (SubUserFlag *)findChildOfType(item, kUserFlagType);
|
|
if (subUserFlag == NULL)
|
|
return 0;
|
|
|
|
int max = (getGameType() == GType_ELVIRA1) ? 7 : 3;
|
|
if (a < 0 || a > max)
|
|
return 0;
|
|
|
|
return subUserFlag->userFlags[a];
|
|
}
|
|
|
|
int AGOSEngine::getUserFlag1(Item *item, int a) {
|
|
SubUserFlag *subUserFlag;
|
|
|
|
if (item == NULL || item == _dummyItem2 || item == _dummyItem3)
|
|
return -1;
|
|
|
|
subUserFlag = (SubUserFlag *)findChildOfType(item, kUserFlagType);
|
|
if (subUserFlag == NULL)
|
|
return 0;
|
|
|
|
if (a < 0 || a > 7)
|
|
return 0;
|
|
|
|
return subUserFlag->userFlags[a];
|
|
}
|
|
|
|
void AGOSEngine::setUserFlag(Item *item, int a, int b) {
|
|
SubUserFlag *subUserFlag;
|
|
|
|
subUserFlag = (SubUserFlag *)findChildOfType(item, kUserFlagType);
|
|
if (subUserFlag == NULL) {
|
|
subUserFlag = (SubUserFlag *)allocateChildBlock(item, kUserFlagType, sizeof(SubUserFlag));
|
|
}
|
|
|
|
if (a < 0 || a > 7)
|
|
return;
|
|
|
|
subUserFlag->userFlags[a] = b;
|
|
}
|
|
|
|
int AGOSEngine::getUserItem(Item *item, int n) {
|
|
SubUserFlag *subUserFlag;
|
|
|
|
subUserFlag = (SubUserFlag *)findChildOfType(item, kUserFlagType);
|
|
if (subUserFlag == NULL)
|
|
return 0;
|
|
|
|
if (n < 0 || n > 0)
|
|
return 0;
|
|
|
|
return subUserFlag->userItems[n];
|
|
}
|
|
|
|
void AGOSEngine::setUserItem(Item *item, int n, int m) {
|
|
SubUserFlag *subUserFlag;
|
|
|
|
subUserFlag = (SubUserFlag *)findChildOfType(item, kUserFlagType);
|
|
if (subUserFlag == NULL) {
|
|
subUserFlag = (SubUserFlag *)allocateChildBlock(item, kUserFlagType, sizeof(SubUserFlag));
|
|
}
|
|
|
|
if (n == 0)
|
|
subUserFlag->userItems[n] = m;
|
|
}
|
|
|
|
bool AGOSEngine::isRoom(Item *item) {
|
|
return findChildOfType(item, kRoomType) != NULL;
|
|
}
|
|
|
|
bool AGOSEngine::isObject(Item *item) {
|
|
return findChildOfType(item, kObjectType) != NULL;
|
|
}
|
|
|
|
bool AGOSEngine::isPlayer(Item *item) {
|
|
return findChildOfType(item, kPlayerType) != NULL;
|
|
}
|
|
|
|
uint AGOSEngine::getOffsetOfChild2Param(SubObject *child, uint prop) {
|
|
uint m = 1;
|
|
uint offset = 0;
|
|
while (m != prop) {
|
|
if (child->objectFlags & m)
|
|
offset++;
|
|
m *= 2;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
Item *AGOSEngine::me() {
|
|
if (_currentPlayer)
|
|
return _currentPlayer;
|
|
return _dummyItem1;
|
|
}
|
|
|
|
Item *AGOSEngine::actor() {
|
|
error("actor: is this code ever used?");
|
|
//if (_actorPlayer)
|
|
// return _actorPlayer;
|
|
return _dummyItem1; // for compilers that don't support NORETURN
|
|
}
|
|
|
|
Item *AGOSEngine::getNextItemPtr() {
|
|
int a = getNextWord();
|
|
switch (a) {
|
|
case -1:
|
|
return _subjectItem;
|
|
case -3:
|
|
return _objectItem;
|
|
case -5:
|
|
return me();
|
|
case -7:
|
|
return actor();
|
|
case -9:
|
|
return derefItem(me()->parent);
|
|
default:
|
|
return derefItem(a);
|
|
}
|
|
}
|
|
|
|
Item *AGOSEngine::getNextItemPtrStrange() {
|
|
int a = getNextWord();
|
|
switch (a) {
|
|
case -1:
|
|
return _subjectItem;
|
|
case -3:
|
|
return _objectItem;
|
|
case -5:
|
|
return _dummyItem2;
|
|
case -7:
|
|
return NULL;
|
|
case -9:
|
|
return _dummyItem3;
|
|
default:
|
|
return derefItem(a);
|
|
}
|
|
}
|
|
|
|
uint AGOSEngine::getNextItemID() {
|
|
int a = getNextWord();
|
|
switch (a) {
|
|
case -1:
|
|
return itemPtrToID(_subjectItem);
|
|
case -3:
|
|
return itemPtrToID(_objectItem);
|
|
case -5:
|
|
return getItem1ID();
|
|
case -7:
|
|
return 0;
|
|
case -9:
|
|
return me()->parent;
|
|
default:
|
|
return a;
|
|
}
|
|
}
|
|
|
|
void AGOSEngine::setItemParent(Item *item, Item *parent) {
|
|
Item *old_parent = derefItem(item->parent);
|
|
|
|
if (item == parent)
|
|
error("setItemParent: Trying to set item as its own parent");
|
|
|
|
// unlink it if it has a parent
|
|
if (old_parent)
|
|
unlinkItem(item);
|
|
itemChildrenChanged(old_parent);
|
|
linkItem(item, parent);
|
|
itemChildrenChanged(parent);
|
|
}
|
|
|
|
void AGOSEngine::itemChildrenChanged(Item *item) {
|
|
int i;
|
|
WindowBlock *window;
|
|
|
|
if (_noParentNotify)
|
|
return;
|
|
|
|
mouseOff();
|
|
|
|
for (i = 0; i != 8; i++) {
|
|
window = _windowArray[i];
|
|
if (window && window->iconPtr && window->iconPtr->itemRef == item) {
|
|
if (_fcsData1[i]) {
|
|
_fcsData2[i] = true;
|
|
} else {
|
|
_fcsData2[i] = false;
|
|
drawIconArray(i, item, window->iconPtr->line, window->iconPtr->classMask);
|
|
}
|
|
}
|
|
}
|
|
|
|
mouseOn();
|
|
}
|
|
|
|
void AGOSEngine::unlinkItem(Item *item) {
|
|
Item *first, *parent, *next;
|
|
|
|
// can't unlink item without parent
|
|
if (item->parent == 0)
|
|
return;
|
|
|
|
// get parent and first child of parent
|
|
parent = derefItem(item->parent);
|
|
first = derefItem(parent->child);
|
|
|
|
// the node to remove is first in the parent's children?
|
|
if (first == item) {
|
|
parent->child = item->next;
|
|
item->parent = 0;
|
|
item->next = 0;
|
|
return;
|
|
}
|
|
|
|
for (;;) {
|
|
if (!first)
|
|
error("unlinkItem: parent empty");
|
|
if (first->next == 0)
|
|
error("unlinkItem: parent does not contain child");
|
|
|
|
next = derefItem(first->next);
|
|
if (next == item) {
|
|
first->next = next->next;
|
|
item->parent = 0;
|
|
item->next = 0;
|
|
return;
|
|
}
|
|
first = next;
|
|
}
|
|
}
|
|
|
|
void AGOSEngine::linkItem(Item *item, Item *parent) {
|
|
uint id;
|
|
// Don't allow that an item that is already linked is relinked
|
|
if (item->parent)
|
|
return;
|
|
|
|
id = itemPtrToID(parent);
|
|
item->parent = id;
|
|
|
|
if (parent != 0) {
|
|
item->next = parent->child;
|
|
parent->child = itemPtrToID(item);
|
|
} else {
|
|
item->next = 0;
|
|
}
|
|
}
|
|
|
|
int AGOSEngine::wordMatch(Item *item, int16 a, int16 n) {
|
|
if (getGameType() == GType_ELVIRA2 || getGameType() == GType_WW) {
|
|
if (a == -1 && n == -1)
|
|
return 1;
|
|
}
|
|
if (a == -1 && n == item->noun)
|
|
return 1;
|
|
if (a == item->adjective && n == item->noun)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
Item *AGOSEngine::derefItem(uint item) {
|
|
if (item >= _itemArraySize)
|
|
error("derefItem: invalid item %d", item);
|
|
return _itemArrayPtr[item];
|
|
}
|
|
|
|
Item *AGOSEngine::findInByClass(Item *i, int16 m) {
|
|
i = derefItem(i->child);
|
|
while (i) {
|
|
if (i->classFlags & m) {
|
|
_findNextPtr = derefItem(i->next);
|
|
return i;
|
|
}
|
|
if (m == 0) {
|
|
_findNextPtr = derefItem(i->next);
|
|
return i;
|
|
}
|
|
i = derefItem(i->next);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
Item *AGOSEngine::nextInByClass(Item *i, int16 m) {
|
|
i = _findNextPtr;
|
|
while (i) {
|
|
if (i->classFlags & m) {
|
|
_findNextPtr = derefItem(i->next);
|
|
return i;
|
|
}
|
|
if (m == 0) {
|
|
_findNextPtr = derefItem(i->next);
|
|
return i;
|
|
}
|
|
i = derefItem(i->next);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
Item *AGOSEngine::findMaster(int16 a, int16 n) {
|
|
uint j;
|
|
|
|
for (j = 1; j < _itemArraySize; j++) {
|
|
Item *item = derefItem(j);
|
|
if (item == NULL)
|
|
continue;
|
|
|
|
if (wordMatch(item, a, n))
|
|
return item;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
Item *AGOSEngine::nextMaster(Item *i, int16 a, int16 n) {
|
|
uint j;
|
|
uint first = itemPtrToID(i) + 1;
|
|
|
|
for (j = first; j < _itemArraySize; j++) {
|
|
Item *item = derefItem(j);
|
|
if (item == NULL)
|
|
continue;
|
|
|
|
if (wordMatch(item, a, n))
|
|
return item;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
uint AGOSEngine::itemPtrToID(Item *id) {
|
|
uint i;
|
|
for (i = 0; i != _itemArraySize; i++)
|
|
if (_itemArrayPtr[i] == id)
|
|
return i;
|
|
error("itemPtrToID: not found");
|
|
return 0; // for compilers that don't support NORETURN
|
|
}
|
|
|
|
} // End of namespace AGOS
|