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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.
*
*/
#include "hdb/hdb.h"
namespace HDB {
Map::Map() {
_mapLoaded = false;
}
int Map::loadTiles() {
int tile, temp;
int skyIndex = 0;
// Load all tiles
for (uint j = 0; j < _height; j++) {
for (uint i = 0; i < _width; i++) {
tile = _background[j * _width + i];
if ((temp = g_hdb->_drawMan->isSky(tile)) && !skyIndex) {
skyIndex = temp;
}
g_hdb->_drawMan->getTile(tile);
g_hdb->_drawMan->getTile(_foreground[j * _width + i]);
}
}
return skyIndex;
}
bool Map::load(Common::SeekableReadStream *stream) {
if (_mapLoaded) {
return false;
}
debug(5, "map stream size: %d(%x)", stream->size(), stream->size());
// Load MSM data header
stream->read(_name, 32);
_width = stream->readUint16LE();
_height = stream->readUint16LE();
_backgroundOffset = stream->readUint32LE();
_foregroundOffset = stream->readUint32LE();
_iconNum = stream->readUint16LE();
_infoNum = stream->readUint16LE(); // not used in the original
_iconListOffset = stream->readUint32LE();
_infoListOffset = stream->readUint32LE(); // not used in the original
debug(5, "map: w: %d(%x), h: %d(%x) bg: %x fg: %x icon#: %d(%x) icon: %x info#: %d(%x) info: %x",
_width, _width, _height, _height, _backgroundOffset, _foregroundOffset, _iconNum, _iconNum,
_iconListOffset, _infoNum, _infoNum, _infoListOffset);
// Reading Background
_background = new uint16[_width * _height];
stream->seek(_backgroundOffset);
for (int i = 0; i < _width * _height; i++) {
_background[i] = stream->readUint16LE();
}
if (gDebugLevel >= 5) {
debug(5, "Background:");
Common::hexdump((const byte *)_background, 512);
}
// Reading Foreground
_foreground = new uint16[_width * _height];
stream->seek(_foregroundOffset);
for (int i = 0; i < _width * _height; i++) {
_foreground[i] = stream->readUint16LE();
}
if (gDebugLevel >= 5) {
debug(5, "Foreground:");
Common::hexdump((const byte *)_foreground, 512);
}
// Reading Icon List
_iconList = new MSMIcon[_iconNum];
for (uint i = 0; i < _iconNum; i++) {
_iconList[i].icon = stream->readUint16LE();
_iconList[i].x = stream->readUint16LE();
_iconList[i].y = stream->readUint16LE();
stream->read(_iconList[i].funcInit, 32);
stream->read(_iconList[i].funcAction, 32);
stream->read(_iconList[i].funcUse, 32);
_iconList[i].dir = stream->readUint16LE();
_iconList[i].level = stream->readUint16LE();
_iconList[i].value1 = stream->readUint16LE();
_iconList[i].value2 = stream->readUint16LE();
}
/*
TODO: Add the InfoList when it comes up
*/
/*
TODO: Set the InMapName once its setup
*/
_mapExplosions = new byte[_width * _height];
_mapExpBarrels = new byte[_width * _height];
_mapLaserBeams = new byte[_width * _height];
int sky = loadTiles();
g_hdb->_drawMan->setSky(sky);
//_mapX = _mapY = 0;
_mapX = 50 * kTileWidth;
_mapY = 30 * kTileHeight;
/*
TODO: Add the animating tile lists
*/
_mapLoaded = true;
return true;
}
void Map::draw() {
if (!_mapLoaded) {
return;
}
int matrixY;
int screenX, screenY;
int maxTileX, maxTileY;
// Calculate Tile Offsets and Panning Offsets
_mapTileX = _mapX / kTileWidth;
_mapTileY = _mapY / kTileHeight;
_mapTileXOff = -(_mapX % kTileWidth);
_mapTileYOff = -(_mapY % kTileHeight);
matrixY = _mapTileY * _width;
screenY = _mapTileYOff;
/*
Note from Original Source:
need to set the number of tiles to draw on the screen. Most of the time
we need to draw an extra tile because we're displaying a half-tile, but
sometimes the offset is exactly at 0 and thus we don't need to draw a
tile offscreen that we'll never see. In fact, doing this fixes a bug
that could occur because we would be accessing map data that's outside the map
when we're at the very bottom of the map.
*/
maxTileX = (_mapTileXOff >= -8) ? kScreenXTiles - 1 : kScreenXTiles;
maxTileY = (!_mapTileYOff) ? kScreenYTiles - 1 : kScreenYTiles;
if (matrixY + (maxTileY - 1)*_width > _height * _width) {
return;
}
for (int j = 0; j < maxTileY; j++) {
screenX = _mapTileXOff;
for (int i = 0; i < maxTileX; i++) {
// Draw Background Tile
uint16 tileIndex = _background[matrixY + _mapTileX + i];
if (tileIndex < 0) {
tileIndex = 0;
}
// Draw if not a sky tile
if (!g_hdb->_drawMan->isSky(tileIndex)) {
g_hdb->_drawMan->getTile(tileIndex)->draw(screenX, screenY);
}
// Draw Foreground Tile
tileIndex = _foreground[matrixY + _mapTileX + i];
if (tileIndex >= 0) {
Tile *fTile = g_hdb->_drawMan->getTile(tileIndex);
if (fTile && !(fTile->_flags & kFlagInvisible)) {
if ((fTile->_flags & kFlagGrating)) {
/*
TODO: Implement Gratings Check
*/
warning("STUB: Map::draw: Gratings Check not found");
} else if ((fTile->_flags & kFlagForeground)) {
/*
TODO: Implement Gratings Check
*/
warning("STUB: Map::draw: Gratings Check not found");
} else {
if (fTile->_flags & kFlagMasked) {
/*
TODO: Implement MaskedMapTile drawing
*/
fTile->drawMasked(screenX, screenY);
} else {
fTile->draw(screenX, screenY);
}
}
}
}
screenX += kTileWidth;
}
matrixY += _width;
screenY += kTileWidth;
}
/*
TODO: Implement animated Map Tiles
*/
}
void Map::getMapXY(int *x, int *y) {
*x = _mapX;
*y = _mapY;
}
void Map::setMapXY(int x, int y) {
if (x < 0) {
x = 0;
} else if (x > (_width * kTileWidth - 480)) {
x = _width * kTileWidth - 480;
}
if (y < 0) {
y = 0;
} else if (y > (_height * kTileHeight - 480)) {
y = _height * kTileHeight - 480;
}
_mapX = x;
_mapY = y;
}
}
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