project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/MapFragment.java
author Wuzzy <Wuzzy2@mail.ru>
Thu, 30 Aug 2018 22:07:01 +0200
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permissions -rw-r--r--
BRW now allows weapon scheme customization See script comments to see how.
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/*
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 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
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 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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package org.hedgewars.hedgeroid;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.Random;
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import org.hedgewars.hedgeroid.R;
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import org.hedgewars.hedgeroid.Datastructures.FrontendDataUtils;
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import org.hedgewars.hedgeroid.Datastructures.MapFile;
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import org.hedgewars.hedgeroid.Datastructures.MapRecipe;
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import org.hedgewars.hedgeroid.frontlib.Frontlib;
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import org.hedgewars.hedgeroid.util.CalmDownHandler;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemSelectedListener;
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import android.widget.ArrayAdapter;
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import android.widget.ImageView;
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import android.widget.Spinner;
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import android.widget.TableRow;
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import android.widget.Toast;
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/**
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 * Display a map preview, and configuration options for the map.
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 *
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 * Mostly for layout reasons, this does not include the theme setting, which
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 * (arguably) is more a map setting than a general game setting.
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 */
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public class MapFragment extends Fragment {
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    private Spinner mapTypeSpinner, mapNameSpinner, templateSpinner, mazeSizeSpinner;
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    private TableRow nameRow, templateRow, mazeSizeRow;
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    private ImageView mapPreview;
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    private List<MapFile> mapFiles;
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    private RoomStateManager stateManager;
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    private Random random = new Random();
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    private CalmDownHandler mapPreviewHandler;
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    /*
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     * Rendering the preview can take a few seconds on Android, so we want to prevent preview
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     * requests from queueing up if maps are changed quickly. So if there is already a preview
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     * being generated, we store our latest request in the newPreviewRequest variable instead.
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     * Once the current preview is finished generating it will start on that one.
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     */
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    private boolean previewGenerationInProgress;
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    private MapRecipe newPreviewRequest;
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    private MapRecipe currentMap; // kept for reference on every change to find out what changed
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    @Override
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    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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        View v = inflater.inflate(R.layout.fragment_map, container, false);
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        final Context appContext = getActivity().getApplicationContext();
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        /*
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         * This handler will start the map preview after none of the map settings
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         * have been updated for a short time.
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         */
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        mapPreviewHandler = new CalmDownHandler(getActivity().getMainLooper(), new Runnable() {
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            public void run() {
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                if(!previewGenerationInProgress) {
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                    mapPreview.setImageResource(R.drawable.roomlist_preparing);
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                    MapPreviewGenerator.startPreviewGeneration(appContext, stateManager.getMapRecipe(), mapPreviewListener);
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                    previewGenerationInProgress = true;
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                } else {
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                    newPreviewRequest = stateManager.getMapRecipe();
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                }
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            }
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        }, 250);
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        nameRow = (TableRow) v.findViewById(R.id.rowMapName);
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        templateRow = (TableRow) v.findViewById(R.id.rowTemplateFilter);
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        mazeSizeRow = (TableRow) v.findViewById(R.id.rowMazeSize);
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        mapPreview = (ImageView) v.findViewById(R.id.mapPreview);
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        mapPreview.setImageDrawable(null);;
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        mapPreview.setOnClickListener(mapClickListener);
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        try {
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            mapFiles = FrontendDataUtils.getMaps(getActivity());
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        } catch (IOException e) {
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            Toast.makeText(getActivity().getApplicationContext(), R.string.error_missing_sdcard_or_files, Toast.LENGTH_LONG).show();
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            getActivity().finish();
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            return null;
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        }
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        Collections.sort(mapFiles, MapFile.MISSIONS_FIRST_NAME_ORDER);
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        List<String> mapNames = MapFile.toDisplayNameList(mapFiles, getResources());
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        mapTypeSpinner = prepareSpinner(v, R.id.spinMapType, Arrays.asList(getResources().getStringArray(R.array.map_types)), mapTypeSelectedListener);
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        mapNameSpinner = prepareSpinner(v, R.id.spinMapName, mapNames, mapNameSelectedListener);
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        templateSpinner = prepareSpinner(v, R.id.spinTemplateFilter, Arrays.asList(getResources().getStringArray(R.array.map_templates)), mapTemplateSelectedListener);
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        mazeSizeSpinner = prepareSpinner(v, R.id.spinMazeSize, Arrays.asList(getResources().getStringArray(R.array.map_maze_sizes)), mazeSizeSelectedListener);
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        stateManager.addListener(roomStateChangeListener);
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        currentMap = stateManager.getMapRecipe();
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        if(currentMap != null) {
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            updateDisplay(currentMap);
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        }
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        setChiefState(stateManager.getChiefStatus());
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        mapPreviewHandler.activity();
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        return v;
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    }
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    private static Spinner prepareSpinner(View v, int id, List<String> items, OnItemSelectedListener itemSelectedListener) {
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        Spinner spinner = (Spinner)v.findViewById(id);
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        ArrayAdapter<String> adapter = new ArrayAdapter<String>(v.getContext(), R.layout.listview_item, items);
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        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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        spinner.setAdapter(adapter);
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        spinner.setOnItemSelectedListener(itemSelectedListener);
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        return spinner;
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    }
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    @Override
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    public void onCreate(Bundle savedInstanceState) {
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        super.onCreate(savedInstanceState);
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        try {
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            stateManager = ((RoomStateManager.Provider)getActivity()).getRoomStateManager();
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        } catch(ClassCastException e) {
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            throw new RuntimeException("Hosting activity must implement RoomStateManager.Provider.", e);
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        }
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    }
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    @Override
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    public void onDestroy() {
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        super.onDestroy();
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        mapPreviewHandler.stop();
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        newPreviewRequest = null;
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        stateManager.removeListener(roomStateChangeListener);
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    }
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    private void setChiefState(boolean chiefState) {
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        mapTypeSpinner.setEnabled(chiefState);
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        mapNameSpinner.setEnabled(chiefState);
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        templateSpinner.setEnabled(chiefState);
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        mazeSizeSpinner.setEnabled(chiefState);
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        mapPreview.setEnabled(chiefState);
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10017
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        if(chiefState) {
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            sendMapnameAndGenerator();
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            stateManager.changeMapTemplate(templateSpinner.getSelectedItemPosition());
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            stateManager.changeMazeSize(mazeSizeSpinner.getSelectedItemPosition());
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        }
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    }
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    private void updateDisplay(MapRecipe map) {
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        nameRow.setVisibility(map.mapgen == Frontlib.MAPGEN_NAMED ? View.VISIBLE : View.GONE);
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        templateRow.setVisibility(map.mapgen == Frontlib.MAPGEN_REGULAR ? View.VISIBLE : View.GONE);
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        mazeSizeRow.setVisibility(map.mapgen == Frontlib.MAPGEN_MAZE ? View.VISIBLE : View.GONE);
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        mapTypeSpinner.setSelection(map.mapgen);
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        int mapPosition = findMapPosition(mapFiles, map.name);
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        if(mapPosition >= 0) {
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            mapNameSpinner.setSelection(mapPosition);
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        }
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        templateSpinner.setSelection(map.templateFilter);
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        mazeSizeSpinner.setSelection(map.mazeSize);
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    }
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    private static int findMapPosition(List<MapFile> mapFiles, String mapName) {
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        for(int i=0; i<mapFiles.size(); i++) {
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            if(mapName.equals(mapFiles.get(i).name)) {
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                return i;
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            }
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        }
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        return -1;
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    }
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    private void sendMapnameAndGenerator() {
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        int mapType = mapTypeSpinner.getSelectedItemPosition();
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        String mapName = mapFiles.get(mapNameSpinner.getSelectedItemPosition()).name;
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        stateManager.changeMapNameAndGenerator(MapRecipe.mapnameForGenerator(mapType, mapName));
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    }
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    private final OnItemSelectedListener mapTypeSelectedListener = new OnItemSelectedListener() {
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        public void onItemSelected(AdapterView<?> adapter, View v, int position, long arg3) {
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            sendMapnameAndGenerator();
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        }
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        public void onNothingSelected(AdapterView<?> arg0) {}
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    };
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    private final OnItemSelectedListener mapNameSelectedListener = new OnItemSelectedListener() {
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        public void onItemSelected(AdapterView<?> adapter, View v, int position, long arg3) {
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            sendMapnameAndGenerator();
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        }
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        public void onNothingSelected(AdapterView<?> arg0) {}
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    };
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    private final OnItemSelectedListener mapTemplateSelectedListener = new OnItemSelectedListener() {
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        public void onItemSelected(AdapterView<?> adapter, View v, int position, long arg3) {
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            stateManager.changeMapTemplate(position);
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        }
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        public void onNothingSelected(AdapterView<?> arg0) {}
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    };
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    private final OnItemSelectedListener mazeSizeSelectedListener = new OnItemSelectedListener() {
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        public void onItemSelected(AdapterView<?> adapter, View v, int position, long arg3) {
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            stateManager.changeMazeSize(position);
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        }
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        public void onNothingSelected(AdapterView<?> arg0) {}
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    };
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    private final OnClickListener mapClickListener = new OnClickListener() {
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        public void onClick(View v) {
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            stateManager.changeMapSeed(MapRecipe.makeRandomSeed());
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            if(mapTypeSpinner.getSelectedItemPosition() == Frontlib.MAPGEN_NAMED) {
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                mapNameSpinner.setSelection(random.nextInt(mapNameSpinner.getCount()));
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            }
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        }
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    };
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    private final RoomStateManager.Listener roomStateChangeListener = new RoomStateManager.ListenerAdapter() {
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        @Override
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        public void onChiefStatusChanged(boolean isChief) {
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            setChiefState(isChief);
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        };
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        @Override
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        public void onMapChanged(MapRecipe recipe) {
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            // Only trigger a preview update if a relevant field changed (not theme)
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            if(currentMap==null
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                    || currentMap.mapgen != recipe.mapgen
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                    || currentMap.mazeSize != recipe.mazeSize
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                    || !currentMap.name.equals(recipe.name)
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                    || !currentMap.seed.equals(recipe.seed)
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                    || currentMap.templateFilter != recipe.templateFilter
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                    || !Arrays.equals(currentMap.getDrawData(), recipe.getDrawData())) {
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                mapPreviewHandler.activity();
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            }
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            updateDisplay(recipe);
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            currentMap = recipe;
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        };
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    };
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    private MapPreviewGenerator.Listener mapPreviewListener = new MapPreviewGenerator.Listener() {
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        public void onMapPreviewResult(Drawable preview) {
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            if(newPreviewRequest != null) {
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                MapPreviewGenerator.startPreviewGeneration(getActivity().getApplicationContext(), newPreviewRequest, mapPreviewListener);
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                newPreviewRequest = null;
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            } else {
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                if(mapPreview != null) {
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                    mapPreview.setImageDrawable(preview);
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                }
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                previewGenerationInProgress = false;
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            }
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        }
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    };
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}