Stats.java

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/*
 * This file is part of JXClient, the Fullscreen Java Crossfire Client.
 *
 * JXClient 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.
 *
 * JXClient 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 JXClient; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Copyright (C) 2005-2008 Yann Chachkoff.
 * Copyright (C) 2006-2011 Andreas Kirschbaum.
 */

package com.realtime.crossfire.jxclient.stats;

import com.realtime.crossfire.jxclient.guistate.ClientSocketState;
import com.realtime.crossfire.jxclient.guistate.GuiStateListener;
import com.realtime.crossfire.jxclient.guistate.GuiStateManager;
import com.realtime.crossfire.jxclient.skills.Skill;
import com.realtime.crossfire.jxclient.skills.SkillSet;
import com.realtime.crossfire.jxclient.util.EventListenerList2;
import java.util.Collection;
import java.util.HashSet;
import org.jetbrains.annotations.NotNull;

public class Stats {

    public static final int CS_STAT_HP = 1;

    public static final int CS_STAT_MAXHP = 2;

    public static final int CS_STAT_SP = 3;

    public static final int CS_STAT_MAXSP = 4;

    public static final int CS_STAT_STR = 5;

    public static final int CS_STAT_INT = 6;

    public static final int CS_STAT_WIS = 7;

    public static final int CS_STAT_DEX = 8;

    public static final int CS_STAT_CON = 9;

    public static final int CS_STAT_CHA = 10;

    public static final int CS_STAT_EXP = 11;

    public static final int C_STAT_EXP_NEXT_LEVEL = 0x10000;

    public static final int CS_STAT_LEVEL = 12;

    public static final int CS_STAT_WC = 13;

    public static final int CS_STAT_AC = 14;

    public static final int CS_STAT_DAM = 15;

    public static final int CS_STAT_ARMOUR = 16;

    public static final int CS_STAT_SPEED = 17;

    public static final int CS_STAT_FOOD = 18;

    public static final int C_STAT_LOWFOOD = 0x10003;

    public static final int CS_STAT_WEAP_SP = 19;

    public static final int CS_STAT_RANGE = 20;

    public static final int CS_STAT_TITLE = 21;

    public static final int CS_STAT_POW = 22;

    public static final int CS_STAT_GRACE = 23;

    public static final int CS_STAT_MAXGRACE = 24;

    public static final int CS_STAT_FLAGS = 25;

    public static final int CS_STAT_WEIGHT_LIM = 26;

    public static final int C_STAT_WEIGHT = 257;

    public static final int CS_STAT_EXP64 = 28;

    public static final int CS_STAT_SPELL_ATTUNE = 29;

    public static final int CS_STAT_SPELL_REPEL = 30;

    public static final int CS_STAT_SPELL_DENY = 31;

    public static final int CS_STAT_RACE_STR = 32;

    public static final int CS_STAT_RACE_INT = 33;

    public static final int CS_STAT_RACE_WIS = 34;

    public static final int CS_STAT_RACE_DEX = 35;

    public static final int CS_STAT_RACE_CON = 36;

    public static final int CS_STAT_RACE_CHA = 37;

    public static final int CS_STAT_RACE_POW = 38;

    public static final int CS_STAT_BASE_STR = 39;

    public static final int CS_STAT_BASE_INT = 40;

    public static final int CS_STAT_BASE_WIS = 41;

    public static final int CS_STAT_BASE_DEX = 42;

    public static final int CS_STAT_BASE_CON = 43;

    public static final int CS_STAT_BASE_CHA = 44;

    public static final int CS_STAT_BASE_POW = 45;

    public static final int CS_STAT_APPLIED_STR = 46;

    public static final int CS_STAT_APPLIED_INT = 47;

    public static final int CS_STAT_APPLIED_WIS = 48;

    public static final int CS_STAT_APPLIED_DEX = 49;

    public static final int CS_STAT_APPLIED_CON = 50;

    public static final int CS_STAT_APPLIED_CHA = 51;

    public static final int CS_STAT_APPLIED_POW = 52;

    public static final int CS_STAT_GOLEM_HP = 53;

    public static final int CS_STAT_GOLEM_MAXHP = 54;

    public static final int CS_STAT_RESIST_START = 100;

    public static final int CS_STAT_RESIST_END = 117;

    public static final int CS_STAT_RES_PHYS = 100;

    public static final int CS_STAT_RES_MAG = 101;

    public static final int CS_STAT_RES_FIRE = 102;

    public static final int CS_STAT_RES_ELEC = 103;

    public static final int CS_STAT_RES_COLD = 104;

    public static final int CS_STAT_RES_CONF = 105;

    public static final int CS_STAT_RES_ACID = 106;

    public static final int CS_STAT_RES_DRAIN = 107;

    public static final int CS_STAT_RES_GHOSTHIT = 108;

    public static final int CS_STAT_RES_POISON = 109;

    public static final int CS_STAT_RES_SLOW = 110;

    public static final int CS_STAT_RES_PARA = 111;

    public static final int CS_STAT_RES_TURN_UNDEAD = 112;

    public static final int CS_STAT_RES_FEAR = 113;

    public static final int CS_STAT_RES_DEPLETE = 114;

    public static final int CS_STAT_RES_DEATH = 115;

    public static final int CS_STAT_RES_HOLYWORD = 116;

    public static final int CS_STAT_RES_BLIND = 117;

    public static final int FLOAT_MULTI = 100000;

    public static final int RESIST_TYPES = 18;

    public static final int C_STAT_POISONED = 256;

    public static final int CS_NUM_SKILLS = 50;

    public static final int CS_STAT_SKILLINFO = 140;

    private boolean simpleWeaponSpeed;

    @NotNull
    private final EventListenerList2<StatsListener> statsListeners = new EventListenerList2<>();

    @NotNull
    private final ExperienceTable experienceTable;

    @NotNull
    private final SkillSet skillSet;

    @NotNull
    private final int[] stats = new int[258];

    private long exp;

    private long expNextLevel;

    @NotNull
    private String range = "";

    @NotNull
    private String title = "";

    @NotNull
    private String activeSkill = "";

    @NotNull
    private final Collection<String> unhandledStats = new HashSet<>(0);

    @NotNull
    @SuppressWarnings("FieldCanBeLocal")
    private final GuiStateListener guiStateListener = new GuiStateListener() {

        @Override
        public void start() {
            // ignore
        }

        @Override
        public void metaserver() {
            // ignore
        }

        @Override
        public void preConnecting(@NotNull final String serverInfo) {
            // ignore
        }

        @Override
        public void connecting(@NotNull final String serverInfo) {
            reset();
        }

        @Override
        public void connecting(@NotNull final ClientSocketState clientSocketState) {
            // ignore
        }

        @Override
        public void connected() {
            // ignore
        }

        @Override
        public void connectFailed(@NotNull final String reason) {
            // ignore
        }

    };

    public Stats(@NotNull final ExperienceTable experienceTable, @NotNull final SkillSet skillSet, @NotNull final GuiStateManager guiStateManager) {
        this.experienceTable = experienceTable; // XXX: should detect changed information
        this.skillSet = skillSet;
        guiStateManager.addGuiStateListener(guiStateListener);
    }

    public void setSimpleWeaponSpeed(final boolean simpleWeaponSpeed) {
        if (this.simpleWeaponSpeed == simpleWeaponSpeed) {
            return;
        }

        this.simpleWeaponSpeed = simpleWeaponSpeed;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.simpleWeaponSpeedChanged(this.simpleWeaponSpeed);
        }
    }

    private void reset() {
        for (final StatsListener statsListener : statsListeners) {
            statsListener.reset();
        }
        for (int statNo = 0; statNo < stats.length; statNo++) {
            setStat(statNo, 0);
        }
        setExperience(0);
        setRange("");
        setTitle("");
        setActiveSkill("");
    }

    public int getStat(final int statNo) {
        return stats[statNo];
    }

    public double getFloatStat(final int statNo) {
        return (double)stats[statNo]/FLOAT_MULTI;
    }

    public void setStat(final int statNo, final int value) {
        if (stats[statNo] == value) {
            return;
        }

        stats[statNo] = value;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.statChanged(statNo, stats[statNo]);
        }
    }

    @NotNull
    public String getTitle() {
        return title;
    }

    @NotNull
    public String getRange() {
        return range;
    }

    @NotNull
    public String getActiveSkill() {
        return activeSkill;
    }

    private void setTitle(@NotNull final String title) {
        if (this.title.equals(title)) {
            return;
        }

        this.title = title;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.titleChanged(this.title);
        }
    }

    private void setRange(@NotNull final String range) {
        if (this.range.equals(range)) {
            return;
        }

        this.range = range;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.rangeChanged(this.range);
        }
    }

    public void setActiveSkill(@NotNull final String activeSkill) {
        if (this.activeSkill.equals(activeSkill)) {
            return;
        }

        this.activeSkill = activeSkill;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.activeSkillChanged(this.activeSkill);
        }
    }

    public long getExperience() {
        return exp;
    }

    private void setExperience(final long exp) {
        if (this.exp == exp) {
            return;
        }

        this.exp = exp;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.experienceChanged(this.exp);
        }

        calculateExperienceToNextLevel();
    }

    public long getExperienceNextLevel() {
        return expNextLevel;
    }

    private void calculateExperienceToNextLevel() {
        final long newExpNextLevel = experienceTable.getExperienceToNextLevel(stats[CS_STAT_LEVEL], exp);
        if (expNextLevel == newExpNextLevel) {
            return;
        }

        expNextLevel = newExpNextLevel;
        for (final StatsListener statsListener : statsListeners) {
            statsListener.experienceNextLevelChanged(expNextLevel);
        }
    }

    public void addCrossfireStatsListener(@NotNull final StatsListener statsListener) {
        statsListeners.add(statsListener);
    }

    public void removeCrossfireStatsListener(@NotNull final StatsListener statsListener) {
        statsListeners.remove(statsListener);
    }

    public double getWeaponSpeed() {
        final double weaponSpeed = getFloatStat(CS_STAT_WEAP_SP);
        if (simpleWeaponSpeed) {
            return weaponSpeed;
        }

        if (weaponSpeed < 0.001) {
            return 0;
        }

        return getFloatStat(CS_STAT_SPEED)/weaponSpeed;
    }

    public void setStatInt2(final int stat, final short param) {
        switch (stat) {
        case CS_STAT_HP:
        case CS_STAT_MAXHP:
        case CS_STAT_SP:
        case CS_STAT_MAXSP:
        case CS_STAT_STR:
        case CS_STAT_INT:
        case CS_STAT_WIS:
        case CS_STAT_DEX:
        case CS_STAT_CON:
        case CS_STAT_CHA:
        case CS_STAT_LEVEL:
        case CS_STAT_WC:
        case CS_STAT_AC:
        case CS_STAT_DAM:
        case CS_STAT_ARMOUR:
        case CS_STAT_FOOD:
        case CS_STAT_POW:
        case CS_STAT_GRACE:
        case CS_STAT_MAXGRACE:
        case CS_STAT_RACE_STR:
        case CS_STAT_RACE_INT:
        case CS_STAT_RACE_WIS:
        case CS_STAT_RACE_DEX:
        case CS_STAT_RACE_CON:
        case CS_STAT_RACE_CHA:
        case CS_STAT_RACE_POW:
        case CS_STAT_BASE_STR:
        case CS_STAT_BASE_INT:
        case CS_STAT_BASE_WIS:
        case CS_STAT_BASE_DEX:
        case CS_STAT_BASE_CON:
        case CS_STAT_BASE_CHA:
        case CS_STAT_BASE_POW:
        case CS_STAT_APPLIED_STR:
        case CS_STAT_APPLIED_INT:
        case CS_STAT_APPLIED_WIS:
        case CS_STAT_APPLIED_DEX:
        case CS_STAT_APPLIED_CON:
        case CS_STAT_APPLIED_CHA:
        case CS_STAT_APPLIED_POW:
        case CS_STAT_GOLEM_HP:
        case CS_STAT_GOLEM_MAXHP:
            setStat(stat, param);
            if (stat == CS_STAT_LEVEL) {
                calculateExperienceToNextLevel();
            }
            break;

        case CS_STAT_FLAGS:
            setStat(stat, param&0xFFFF);
            break;

        default:
            if (CS_STAT_RESIST_START <= stat && stat < CS_STAT_RESIST_START+RESIST_TYPES) {
                setStat(stat, param);
            } else {
                reportUnhandledStat(stat, "int2");
            }
            break;
        }
    }

    public void setStatInt4(final int stat, final int param) {
        switch (stat) {
        case CS_STAT_EXP:
            setExperience(param&0xFFFFFFFFL);
            break;

        case CS_STAT_SPEED:
        case CS_STAT_WEAP_SP:
        case CS_STAT_WEIGHT_LIM:
        case CS_STAT_SPELL_ATTUNE:
        case CS_STAT_SPELL_REPEL:
        case CS_STAT_SPELL_DENY:
            setStat(stat, param);
            break;

        default:
            reportUnhandledStat(stat, "int4");
            break;
        }
    }

    public void setStatInt8(final int stat, final long param) {
        switch (stat) {
        case CS_STAT_EXP64:
            setExperience(param);
            break;

        default:
            reportUnhandledStat(stat, "int8");
            break;
        }
    }

    public void setStatString(final int stat, @NotNull final String param) {
        switch (stat) {
        case CS_STAT_RANGE:
            setRange(param);
            break;

        case CS_STAT_TITLE:
            setTitle(param);
            break;

        default:
            reportUnhandledStat(stat, "string");
            break;
        }
    }

    public void setStatSkill(final int stat, final int level, final long experience) {
        if (CS_STAT_SKILLINFO <= stat && stat < CS_STAT_SKILLINFO+CS_NUM_SKILLS) {
            final Skill sk = skillSet.getSkill(stat);
            if (sk == null) {
                System.err.println("ignoring skill value for unknown skill "+stat);
            } else {
                sk.set(level, experience);
            }
        } else {
            reportUnhandledStat(stat, "skill");
        }
    }

    private void reportUnhandledStat(final int stat, @NotNull final String type) {
        if (unhandledStats.add(type+"-"+stat)) {
            System.err.println("Warning: unhandled stat "+stat+" of type "+type);
        }
    }

}