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/* This file is part of Dragon Wars. */* w w w. j av a2s. c o m*/ * Dragon Wars 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 3 of the License, or * (at your option) any later version. * * Dragon Wars 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 Dragon Wars. If not, see <http://www.gnu.org/licenses/>. */ package com.group7.dragonwars.engine; /* Generates a GameField based on a flat text file. Test solution. */ import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.InputStreamReader; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import android.app.Activity; import android.content.res.AssetManager; import android.util.Log; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; public final class MapReader { private static final String TAG = "MapReader"; private MapReader() { } public static GameMap readMap(final List<String> mapLines, final boolean[] isAi) throws JSONException { String jsonSource = ""; for (String s : mapLines) { jsonSource += s + "\n"; } JSONObject m = new JSONObject(jsonSource); String mapName = m.getString("mapName"); Integer sizeX = m.getInt("sizeX"); Integer sizeY = m.getInt("sizeY"); Integer players = m.getInt("players"); JSONObject fs = m.getJSONObject("fields"); JSONObject bs = m.getJSONObject("buildings"); JSONObject us = m.getJSONObject("units"); JSONArray terrain = m.getJSONArray("terrain"); JSONArray startingBuildingPos = m.getJSONArray("startingBuildingPos"); JSONArray startingUnitPos = m.getJSONArray("startingUnitPos"); JSONArray playerColours = m.getJSONArray("playerColours"); /* Make a fake player list for now */ List<Player> playerList = new ArrayList<Player>(); for (Integer i = 0; i < players; ++i) { if (isAi[i]) { playerList.add(new PlayerAI("AIPlayer " + (i + 1), playerColours.getInt(i))); } else { playerList.add(new Player("Player " + (i + 1), playerColours.getInt(i))); } } /* Fill in a HashMap for look-up */ Map<Character, JSONObject> fields = new HashMap<Character, JSONObject>(); Iterator<?> iter = fs.keys(); while (iter.hasNext()) { String key = (String) iter.next(); /* We have to cast ;_; */ fields.put(key.charAt(0), fs.getJSONObject(key)); } Map<Character, GameField> fieldsInfo = new HashMap<Character, GameField>(); iter = fs.keys(); while (iter.hasNext()) { String key = (String) iter.next(); fieldsInfo.put( key.charAt(0), new MapReader.TerrainGetter(fields).apply(key.charAt(0))); } /* HashMap for buildings */ Map<Character, JSONObject> buildings = new HashMap<Character, JSONObject>(); Iterator<?> bIter = bs.keys(); while (bIter.hasNext()) { String key = (String) bIter.next(); buildings.put(key.charAt(0), bs.getJSONObject(key)); } Map<Character, Building> buildingsInfo = new HashMap<Character, Building>(); bIter = bs.keys(); while (bIter.hasNext()) { String key = (String) bIter.next(); buildingsInfo.put( key.charAt(0), new MapReader.BuildingGetter(buildings).apply(key.charAt(0))); } /* Map for units to be used for the current map throughout the game */ Map<Character, Unit> units = new HashMap<Character, Unit>(); Iterator<?> uIter = us.keys(); while (uIter.hasNext()) { String key = (String) uIter.next(); units.put( key.charAt(0), new MapReader.UnitGetter().apply(us.getJSONObject(key))); } List<List<GameField>> grid = MapReader.listifyJSONArray( new MapReader.TerrainGetter(fields), terrain); MapReader.setBuildings(grid, playerList, units, buildingsInfo, startingBuildingPos); MapReader.spawnUnits(grid, playerList, units, startingUnitPos); return new GameMap(grid, units, buildingsInfo, fieldsInfo, playerList); } public static BasicMapInfo getBasicMapInformation(final String filename, final Activity activity) throws JSONException { String jsonSource = ""; for (String s : MapReader.readFile(filename, activity)) { jsonSource += s + "\n"; } JSONObject m = new JSONObject(jsonSource); String mapName = m.getString("mapName"); Integer sizeX = m.getInt("sizeX"); Integer sizeY = m.getInt("sizeY"); Integer players = m.getInt("players"); String desc = String.format("%s - %dx%d - %d Players", mapName, sizeX, sizeY, players); return new BasicMapInfo(mapName, desc, filename, players); } public static GameMap readMapFromFile(final String filename, final Activity activity, final boolean[] isAi) throws JSONException { return MapReader.readMap(MapReader.readFile(filename, activity), isAi); } private static List<String> readFile(final String filename, final Activity activity) { AssetManager am = activity.getAssets(); List<String> text = new ArrayList<String>(); try { BufferedReader in = new BufferedReader( new InputStreamReader(am.open(filename))); String line; while ((line = in.readLine()) != null) { text.add(line); } in.close(); } catch (FileNotFoundException fnf) { System.err.println("Couldn't find " + fnf.getMessage()); System.exit(1); } catch (IOException ioe) { System.err.println("Couldn't read " + ioe.getMessage()); System.exit(1); } return text; } private static <O> List<List<O>> listifyJSONArray( final FuncEx<Character, O, JSONException> f, final JSONArray xs) throws JSONException { List<List<O>> v = new ArrayList<List<O>>(); List<List<Character>> cs = new ArrayList<List<Character>>(); for (Integer i = 0; i < xs.length(); i++) { String s = xs.getString(i); List<Character> t = new ArrayList<Character>(); for (Integer j = 0; j < s.length(); j++) { t.add(s.charAt(j)); } cs.add(t); } for (List<Character> ys : cs) { v.add(map(f, ys)); } return v; } private static void setBuildings(final List<List<GameField>> grid, final List<Player> players, final Map<Character, Unit> units, final Map<Character, Building> buildings, final JSONArray posInfo) throws JSONException { Log.d(TAG, "Running setBuildings"); Log.d(TAG, "The list of players contains " + players); for (int y = 0; y < grid.size(); ++y) { String row = ""; for (int x = 0; x < grid.get(y).size(); ++x) { if (grid.get(y).get(x) != null) { row += grid.get(y).get(x).getName().charAt(0); } else { row += "_"; } } Log.d(TAG, row); } for (Integer i = 0; i < posInfo.length(); ++i) { Log.d(TAG, "Grabbing info for building number " + i); JSONObject buildingInfo = posInfo.getJSONObject(i); Building buildingT = buildings.get(buildingInfo.getString("building").charAt(0)); Building building = new Building(buildingT); Integer playerOwner = buildingInfo.getInt("owner"); Integer posX = buildingInfo.getInt("posX"); Integer posY = buildingInfo.getInt("posY"); JSONArray prod = buildingInfo.getJSONArray("produces"); for (Integer j = 0; j < prod.length(); ++j) { Unit unit = units.get(prod.getString(j).charAt(0)); building.addProducibleUnit(unit); } Log.d(TAG, "Cast all the values into Java types for building " + i); if (playerOwner == 0) { building.setOwner(new Player("Gaia", 0)); } else { Player p = players.get(playerOwner - 1); building.setOwner(p); p.addBuilding(building); } Log.d(TAG, String.format("Setting %s at %dx%d", building.getName(), posX, posY)); Log.d(TAG, String.format("Grid size YxX: %dx%d", grid.size(), grid.get(0).size())); GameField gf = grid.get(posY).get(posX); Log.d(TAG, "gf == null: " + (gf == null)); building.setPosition(new Position(posX, posY)); gf.setBuilding(building); } Log.d(TAG, "Leaving setBuildings"); } private static void spawnUnits(final List<List<GameField>> grid, final List<Player> players, final Map<Character, Unit> units, final JSONArray posInfo) throws JSONException { Log.d(TAG, "Running spawnUnits"); Log.d(TAG, "The list of players contains " + players); for (Integer i = 0; i < posInfo.length(); ++i) { Log.d(TAG, "Grabbing info for unit number " + i); JSONObject unitInfo = posInfo.getJSONObject(i); Unit unitT = units.get(unitInfo.getString("unit").charAt(0)); Unit unit = new Unit(unitT); Integer playerOwner = unitInfo.getInt("owner"); Integer posX = unitInfo.getInt("posX"); Integer posY = unitInfo.getInt("posY"); Log.d(TAG, "Cast all the values into Java types for unit " + i); /* TODO proper choice of player */ if (playerOwner == 0) { unit.setOwner(new Player("Gaia", 0)); } else { Log.d(TAG, "Getting player " + playerOwner); Player p = players.get(playerOwner - 1); Log.d(TAG, "That player has a name " + p); unit.setOwner(p); p.addUnit(unit); } Log.d(TAG, "Post setting owner."); Position pos = new Position(posX, posY); Log.d(TAG, "Grabbing GameField " + pos); GameField gf = grid.get(posY).get(posX); unit.setPosition(pos); gf.setUnit(unit); } Log.d(TAG, "Leaving spawnUnits"); } private static class BuildingGetter implements FuncEx<Character, Building, JSONException> { private Map<Character, JSONObject> map; public BuildingGetter(Map<Character, JSONObject> m) { this.map = m; } public Building apply(final Character c) throws JSONException { if (!this.map.containsKey(c)) { return null; /* TODO throw MapException */ } JSONObject f = this.map.get(c); String name = f.getString("name"); String file = f.getString("file"); String pack = f.getString("package"); String dir = f.getString("dir"); Integer captureDifficulty = f.getInt("captureDifficulty"); Double attackBonus = f.getDouble("attackBonus"); Double defenseBonus = f.getDouble("defenseBonus"); Boolean goalBuilding = f.getBoolean("goalBuilding"); Integer captureWorth = f.getInt("captureWorth"); return new Building(name, captureDifficulty, attackBonus, defenseBonus, goalBuilding, captureWorth, file, dir, pack); } } private static class UnitGetter implements FuncEx<JSONObject, Unit, JSONException> { public Unit apply(final JSONObject f) throws JSONException { String name = f.getString("name"); String file = f.getString("file"); String pack = f.getString("package"); String dir = f.getString("dir"); Boolean flying = f.getBoolean("flying"); Double maxHealth = f.getDouble("maxHealth"); Integer maxMovement = f.getInt("maxMovement"); Double attack = f.getDouble("attack"); Double meleeDefense = f.getDouble("meleeDefense"); Double rangeDefense = f.getDouble("rangeDefense"); Integer productionCost = f.getInt("productionCost"); if (f.getBoolean("ranged")) { return new RangedUnit(name, maxHealth, maxMovement, attack, meleeDefense, rangeDefense, f.getDouble("minRange"), f.getDouble("maxRange"), flying, productionCost, file, dir, pack); } return new Unit(name, maxHealth, maxMovement, attack, meleeDefense, rangeDefense, flying, productionCost, file, dir, pack); } } private static <I, O, E extends Exception> List<O> map(final FuncEx<I, O, E> f, final List<I> ls) throws E { List<O> os = new ArrayList<O>(); for (I l : ls) { os.add(f.apply(l)); } return os; } private static class TerrainGetter implements FuncEx<Character, GameField, JSONException> { private Map<Character, JSONObject> map; public TerrainGetter(Map<Character, JSONObject> m) { this.map = m; } public GameField apply(final Character c) throws JSONException { if (!this.map.containsKey(c)) { return null; } JSONObject f = this.map.get(c); String name = f.getString("name"); String file = f.getString("file"); String pack = f.getString("package"); String dir = f.getString("dir"); Boolean accessible = f.getBoolean("accessible"); Boolean flightOnly = f.getBoolean("flightOnly"); Double movementModifier = f.getDouble("movementModifier"); Double attackModifier = f.getDouble("attackModifier"); Double defenseModifier = f.getDouble("defenseModifier"); return new GameField(name, movementModifier, attackModifier, defenseModifier, accessible, flightOnly, file, dir, pack); } } }