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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "main.h"
#include "map.h"
#include "log.h"
#include "being.h"
#include <stdio.h>
#ifdef WIN32
#include <windows.h>
#else
#include "./net/win2linux.h"
#endif
Map tiledMap;
#define OLD_MAP_WIDTH 200
#define OLD_MAP_HEIGHT 200
/**
* Old tile structure. Used for loading the old map format.
*/
struct TILE {
/**
* Data field filled at follows:
*
* <pre>
* 1st byte: [1][1][1][1][1][1][1][1]
* 2nd byte: [1][1][2][2][2][2][2][2]
* 3rd byte: [2][2][2][2][3][3][3][3]
* 4th byte: [3][3][3][3][3][3][W][A]
* </pre>
*
* Legend:
* 1 - Ground layer (grass, water, ...)
* 2 - Fringe layer (decoration on top of ground layer, but below beings)
* 3 - Over layer (roofs, tree leaves, ...)
* W - Walkability flag
* A - Animated tile flag
*/
char data[4];
char flags;
};
/**
* Old map structure. Used for loading the old map format.
*/
struct MAP {
TILE tiles[OLD_MAP_WIDTH][OLD_MAP_HEIGHT];
char tileset[20];
char bg_music[20];
};
Tile::Tile():
whichList(0)
{
}
Map::Map():
width(0), height(0)
{
tiles = new Tile[width * height];
}
Map::~Map()
{
delete[] tiles;
}
bool Map::load(char *mapFile) {
FILE *file = fopen(mapFile, "r");
if (!file) {
warning(mapFile);
return false;
}
MAP oldMap;
fread(&oldMap, sizeof(MAP), 1, file);
fclose(file);
setSize(OLD_MAP_WIDTH, OLD_MAP_HEIGHT);
// Transfer tile data
int x, y;
for (y = 0; y < OLD_MAP_HEIGHT; y++) {
for (x = 0; x < OLD_MAP_WIDTH; x++) {
unsigned short id;
// Layer 0
id = MAKEWORD(oldMap.tiles[x][y].data[1] & 0x00c0,
oldMap.tiles[x][y].data[0]);
id >>= 6;
setTile(x, y, 0, id);
// Layer 1
id = MAKEWORD(oldMap.tiles[x][y].data[2] & 0x00f0,
oldMap.tiles[x][y].data[1] & 0x003f);
id >>= 4;
setTile(x, y, 1, id);
// Layer 2
id = MAKEWORD(oldMap.tiles[x][y].data[3] & 0x00fc,
oldMap.tiles[x][y].data[2] & 0x000f);
id >>= 2;
setTile(x, y, 2, id);
// Walkability
setWalk(x, y, (oldMap.tiles[x][y].data[3] & 0x0002) > 0);
}
}
return true;
}
void Map::setSize(int width, int height)
{
this->width = width;
this->height = height;
delete[] tiles;
tiles = new Tile[width * height];
}
void Map::setWalk(int x, int y, bool walkable) {
if (walkable) {
tiles[x + y * width].flags |= TILE_WALKABLE;
}
else {
tiles[x + y * width].flags &= ~TILE_WALKABLE;
}
}
bool Map::getWalk(int x, int y) {
bool ret = (tiles[x + y * width].flags & TILE_WALKABLE) != 0;
if (ret) {
// Check for colliding into a being
std::list<Being*>::iterator i = beings.begin();
while (i != beings.end() && ret) {
Being *being = (*i);
if (being->x == x && being->y == y) {
ret = false;
}
i++;
}
}
return ret;
}
void Map::setTile(int x, int y, int layer, int id)
{
tiles[x + y * width].layers[layer] = id;
}
int Map::getTile(int x, int y, int layer)
{
return tiles[x + y * width].layers[layer];
}
int Map::getWidth()
{
return width;
}
int Map::getHeight()
{
return height;
}
PATH_NODE *Map::findPath(int startX, int startY, int destX, int destY)
{
// Return when destination not walkable
if (!getWalk(destX, destY)) return NULL;
// No path found
return NULL;
}
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