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/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "queen/grid.h"
#include "queen/display.h"
#include "queen/logic.h"
#include "queen/queen.h"
namespace Queen {
Grid::Grid(QueenEngine *vm)
: _vm(vm) {
memset(_zones, 0, sizeof(_zones));
}
void Grid::readDataFrom(uint16 numObjects, uint16 numRooms, byte *&ptr) {
uint16 i, j;
_numRoomAreas = numRooms;
_objMax = new int16[_numRoomAreas + 1];
_areaMax = new int16[_numRoomAreas + 1];
_area = new Area[_numRoomAreas + 1][MAX_AREAS_NUMBER];
_objMax[0] = 0;
_areaMax[0] = 0;
memset(&_area[0], 0, sizeof(Area) * MAX_AREAS_NUMBER);
for (i = 1; i <= _numRoomAreas; i++) {
_objMax[i] = (int16)READ_BE_INT16(ptr); ptr += 2;
_areaMax[i] = (int16)READ_BE_INT16(ptr); ptr += 2;
memset(&_area[i][0], 0, sizeof(Area));
for (j = 1; j <= _areaMax[i]; j++) {
assert(j < MAX_AREAS_NUMBER);
_area[i][j].readFromBE(ptr);
}
}
_objectBox = new Box[numObjects + 1];
memset(&_objectBox[0], 0, sizeof(Box));
for (i = 1; i <= numObjects; i++) {
_objectBox[i].readFromBE(ptr);
}
}
void Grid::setZone(GridScreen screen, uint16 zoneNum, uint16 x1, uint16 y1, uint16 x2, uint16 y2) {
debug(9, "Grid::setZone(%d, %d, (%d,%d), (%d,%d))", screen, zoneNum, x1, y1, x2, y2);
ZoneSlot *pzs = &_zones[screen][zoneNum];
pzs->valid = true;
pzs->box.x1 = x1;
pzs->box.y1 = y1;
pzs->box.x2 = x2;
pzs->box.y2 = y2;
}
void Grid::setZone(GridScreen screen, uint16 zoneNum, const Box &box) {
debug(9, "Grid::setZone(%d, %d, (%d,%d), (%d,%d))", screen, zoneNum, box.x1, box.y1, box.x2, box.y2);
ZoneSlot *pzs = &_zones[screen][zoneNum];
pzs->valid = true;
pzs->box = box;
}
uint16 Grid::findZoneForPos(GridScreen screen, uint16 x, uint16 y) const {
debug(9, "Logic::findZoneForPos(%d, (%d,%d))", screen, x, y);
int i;
if (screen == GS_PANEL) {
y -= ROOM_ZONE_HEIGHT;
}
for(i = 1; i < MAX_ZONES_NUMBER; ++i) {
const ZoneSlot *pzs = &_zones[screen][i];
if (pzs->valid && pzs->box.contains(x, y)) {
return i;
}
}
return 0;
}
uint16 Grid::findAreaForPos(GridScreen screen, uint16 x, uint16 y) const {
uint16 room = _vm->logic()->currentRoom();
uint16 zoneNum = findZoneForPos(screen, x, y);
if (zoneNum <= _objMax[room]) {
zoneNum = 0;
} else {
zoneNum -= _objMax[room];
}
return zoneNum;
}
void Grid::clear(GridScreen screen) {
debug(9, "Grid::clear(%d)", screen);
for(int i = 1; i < MAX_ZONES_NUMBER; ++i) {
_zones[screen][i].valid = false;
}
}
void Grid::setupNewRoom(uint16 room, uint16 firstRoomObjNum) {
debug(9, "Grid::setupNewRoom()");
clear(GS_ROOM);
uint16 i;
uint16 zoneNum;
// setup objects zones
uint16 maxObjRoom = _objMax[room];
zoneNum = 1;
for (i = firstRoomObjNum + 1; i <= firstRoomObjNum + maxObjRoom; ++i) {
if (_vm->logic()->objectData(i)->name != 0) {
setZone(GS_ROOM, zoneNum, _objectBox[i]);
}
++zoneNum;
}
// setup room zones (areas)
uint16 maxAreaRoom = _areaMax[room];
for (zoneNum = 1; zoneNum <= maxAreaRoom; ++zoneNum) {
setZone(GS_ROOM, maxObjRoom + zoneNum, _area[room][zoneNum].box);
}
}
void Grid::setupPanel() {
for (int i = 0; i <= 7; ++i) {
uint16 x = i * 20;
setZone(GS_PANEL, i + 1, x, 10, x + 19, 49);
}
// inventory scrolls
setZone(GS_PANEL, 9, 160, 10, 179, 29);
setZone(GS_PANEL, 10, 160, 30, 179, 49);
// inventory items
setZone(GS_PANEL, 11, 180, 10, 213, 49);
setZone(GS_PANEL, 12, 214, 10, 249, 49);
setZone(GS_PANEL, 13, 250, 10, 284, 49);
setZone(GS_PANEL, 14, 285, 10, 320, 49);
}
void Grid::drawZones() {
for(int i = 1; i < MAX_ZONES_NUMBER; ++i) {
const ZoneSlot *pzs = &_zones[GS_ROOM][i];
if (pzs->valid) {
const Box *b = &pzs->box;
_vm->display()->drawBox(b->x1, b->y1, b->x2, b->y2, 3);
}
}
}
const Box *Grid::zone(GridScreen screen, uint16 index) const {
const ZoneSlot *zs = &_zones[screen][index];
assert(zs->valid);
return &zs->box;
}
Verb Grid::findVerbUnderCursor(int16 cursorx, int16 cursory) const {
static const Verb pv[] = {
VERB_NONE,
VERB_OPEN,
VERB_CLOSE,
VERB_MOVE,
VERB_GIVE,
VERB_LOOK_AT,
VERB_PICK_UP,
VERB_TALK_TO,
VERB_USE,
VERB_SCROLL_UP,
VERB_SCROLL_DOWN,
VERB_INV_1,
VERB_INV_2,
VERB_INV_3,
VERB_INV_4,
};
return pv[findZoneForPos(GS_PANEL, cursorx, cursory)];
}
uint16 Grid::findObjectUnderCursor(int16 cursorx, int16 cursory) const {
uint16 roomObj = 0;
if (cursory < ROOM_ZONE_HEIGHT) {
int16 x = cursorx + _vm->display()->horizontalScroll();
roomObj = findZoneForPos(GS_ROOM, x, cursory);
}
return roomObj;
}
uint16 Grid::findObjectNumber(uint16 zoneNum) const {
// l.316-327 select.c
uint16 room = _vm->logic()->currentRoom();
uint16 obj = zoneNum;
uint16 objectMax = _objMax[room];
debug(9, "Grid::findObjectNumber(%X, %X)", zoneNum, objectMax);
if (zoneNum > objectMax) {
// this is an area box, check for associated object
obj = _area[room][zoneNum - objectMax].object;
if (obj != 0) {
// there is an object, get its number
obj -= _vm->logic()->currentRoomData();
}
}
return obj;
}
uint16 Grid::findScale(uint16 x, uint16 y) const {
uint16 room = _vm->logic()->currentRoom();
uint16 scale = 100;
uint16 areaNum = findAreaForPos(GS_ROOM, x, y);
if(areaNum != 0) {
scale = _area[room][areaNum].calcScale(y);
}
return scale;
}
void Grid::saveState(byte *&ptr) {
uint16 i, j;
for (i = 1; i <= _numRoomAreas; ++i) {
for (j = 1; j <= _areaMax[i]; ++j) {
_area[i][j].writeToBE(ptr);
}
}
}
void Grid::loadState(uint32 ver, byte *&ptr) {
uint16 i, j;
for (i = 1; i <= _numRoomAreas; ++i) {
for (j = 1; j <= _areaMax[i]; ++j) {
_area[i][j].readFromBE(ptr);
}
}
}
} // End of namespace Queen
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