prestonbane/src/engine/wpak/PowerActionParser.java

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//      Magicbane Emulator Project © 2013 - 2024
//                www.magicbane.com

package engine.wpak;

import engine.gameManager.ConfigManager;
import engine.mbEnums;
import engine.wpak.data.EffectDescription;
import engine.wpak.data.PowerActionEntry;
import engine.wpak.data.StatTransfer;
import engine.wpak.data.TrackEntry;
import org.pmw.tinylog.Logger;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PowerActionParser {
    private static final Pattern STRSPLIT_REGEX = Pattern.compile("([^\"]\\S*|\"[^\"]*\")\\s*");
    private static final Pattern POWER_ACTION_REGEX = Pattern.compile("(?<=POWERACTIONBEGIN)(.+?)(?=POWERACTIONEND)", Pattern.DOTALL);
    private static final String powerActionPath = ConfigManager.DEFAULT_DATA_DIR + "wpak/PowerActions.cfg";

    public static void parseWpakFile() {

        // Read .wpak file from disk

        byte[] fileData;

        try {
            fileData = Files.readAllBytes(Paths.get(powerActionPath));
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

        String fileContents = new String(fileData);

        // Iterate over power entries from .wpak data

        Matcher matcher = POWER_ACTION_REGEX.matcher(fileContents);

        while (matcher.find()) {

            PowerActionEntry powerActionEntry = parsePowerActionEntry(matcher.group().trim());

        }
    }

    private static PowerActionEntry parsePowerActionEntry(String powerActionData) {

        PowerActionEntry powerActionEntry = new PowerActionEntry();
        EffectDescription effectDescription;
        StatTransfer statTransfer;
        TrackEntry trackEntry;

        // Remove all lines that contain a # and leading/trailing blank lines

        powerActionData = powerActionData.replaceAll("(?m)^(\\s*#.*|\\s*)\r?\n?", "").trim();

        String[] lineData = powerActionData.split("\n");

        // Parse effect entry header

        Iterator<String> entryIterator = Arrays.stream(lineData).iterator();

        String headerLine = entryIterator.next();
        ArrayList<String> headerData = new ArrayList<>();

        Matcher matcher = STRSPLIT_REGEX.matcher(headerLine.trim());

        while (matcher.find())
            headerData.add(matcher.group().trim());

        Iterator<String> headerIterator = headerData.iterator();
        powerActionEntry.action_id = headerIterator.next();
        powerActionEntry.action_type = headerIterator.next();

        switch (powerActionEntry.action_type) {
            case "RemoveEffect":
                effectDescription = new EffectDescription();
                effectDescription.effect_id = headerIterator.next();
                powerActionEntry.effects.add(effectDescription);
                break;
            case "CreateMob":
                powerActionEntry.petLevel = Integer.parseInt(headerIterator.next());
                powerActionEntry.petRace = Integer.parseInt(headerIterator.next());
                break;
            case "DamageOverTime":
                effectDescription = new EffectDescription();
                effectDescription.effect_id = headerIterator.next();
                effectDescription.cycleDuration = Integer.parseInt(headerIterator.next());
                effectDescription.cycleDelay = Integer.parseInt(headerIterator.next());
                powerActionEntry.effects.add(effectDescription);
                break;
            case "ApplyEffects":
                int level = Integer.parseInt(headerIterator.next());

                while (headerIterator.hasNext()) {
                    effectDescription = new EffectDescription();
                    effectDescription.level = level;
                    effectDescription.effect_id = headerIterator.next();
                    powerActionEntry.effects.add(effectDescription);
                }
                break;
            case "Transform":
            case "Invis":
            case "ApplyEffect":
            case "DeferredPower":
            case "DirectDamage":
            case "SpireDisable":
                while (headerIterator.hasNext()) {
                    effectDescription = new EffectDescription();
                    effectDescription.effect_id = headerIterator.next();

                    // Some applyEffect entries are naked withot a level

                    if (headerData.size() > 3)
                        effectDescription.level = Integer.parseInt(headerIterator.next());

                    powerActionEntry.effects.add(effectDescription);
                }
                break;
            case "TransferStat":
                statTransfer = new StatTransfer();
                statTransfer.fromStat = mbEnums.CostType.valueOf(headerIterator.next());
                statTransfer.toStat = mbEnums.CostType.valueOf(headerIterator.next());
                statTransfer.fromStatValue = Float.parseFloat(headerIterator.next());
                statTransfer.fromCurve = mbEnums.CompoundCurveType.valueOf(headerIterator.next());
                statTransfer.toStatValue = Float.parseFloat(headerIterator.next());
                statTransfer.toCurve = mbEnums.CompoundCurveType.valueOf(headerIterator.next());
                statTransfer.fromStatBool = Boolean.parseBoolean(headerIterator.next());
                statTransfer.toStatBool = Boolean.parseBoolean(headerIterator.next());
                powerActionEntry.statTransfer = statTransfer;
                break;
            case "TransferStatOT":
                statTransfer = new StatTransfer();
                statTransfer.fromStat = mbEnums.CostType.valueOf(headerIterator.next());
                statTransfer.toStat = mbEnums.CostType.valueOf(headerIterator.next());
                statTransfer.fromStatValue = Float.parseFloat(headerIterator.next());
                statTransfer.fromCurve = mbEnums.CompoundCurveType.valueOf(headerIterator.next());
                statTransfer.toStatValue = Float.parseFloat(headerIterator.next());
                statTransfer.toCurve = mbEnums.CompoundCurveType.valueOf(headerIterator.next());
                statTransfer.fromStatBool = Boolean.parseBoolean(headerIterator.next());
                statTransfer.toStatBool = Boolean.parseBoolean(headerIterator.next());
                statTransfer.transfer_action = headerIterator.next();
                statTransfer.transfer_ticks = Integer.parseInt(headerIterator.next());
                powerActionEntry.statTransfer = statTransfer;
                break;
            case "Charm":
                effectDescription = new EffectDescription();
                effectDescription.effect_id = headerIterator.next();
                effectDescription.level = Integer.parseInt(headerIterator.next());
                effectDescription.type = headerIterator.next();
                powerActionEntry.effects.add(effectDescription);
                break;
            case "Block":
                effectDescription = new EffectDescription();
                effectDescription.effect_id = headerIterator.next();
                effectDescription.level = Integer.parseInt(headerIterator.next());
                powerActionEntry.effects.add(effectDescription);
                break;
            case "Resurrect":
                powerActionEntry.levelCap = Integer.parseInt(headerIterator.next());
                break;
            case "SetItemFlag":
                powerActionEntry.itemFlag = mbEnums.ItemFlags.valueOf(headerIterator.next());
                break;
            case "Track":
                trackEntry = new TrackEntry();
                trackEntry.action_id = headerIterator.next();
                trackEntry.unknown1 = Boolean.parseBoolean(headerIterator.next());
                trackEntry.unknown2 = Boolean.parseBoolean(headerIterator.next());
                trackEntry.type = headerIterator.next();
                trackEntry.min = Integer.parseInt(headerIterator.next());
                trackEntry.max = Integer.parseInt(headerIterator.next());
                powerActionEntry.trackEntry = trackEntry;
                break;
            case "Recall": // No arguments for these tags or not parsed
            case "Summon":
            case "Teleport":
            case "TreeChoke":
            case "SimpleDamage":
            case "MobRecall": // One argument always zero
            case "ClearAggro":
            case "ClearNearbyAggro":
            case "Peek":
            case "ClaimMine":
            case "RunegateTeleport":
            case "Steal":
                break;
            default:
                Logger.error("Unhandled type " + powerActionEntry.action_type + " for Pow4erAction: " + powerActionEntry.action_id);
                break;
        }

        // Process key value pairs after header

        while (entryIterator.hasNext()) {
            String lineValue = entryIterator.next();
            String[] lineValues = lineValue.split("=");
            String key = lineValues[0].trim();
            String[] arguments;

            switch (key) {
                case "BODYPARTS":
                    arguments = lineValues[1].trim().split("\\s+");

                    for (String bodyPart : arguments)
                        powerActionEntry.bodyparts.add(Integer.parseInt(bodyPart));
                    break;
                case "FEMALEBODYPARTS":
                    arguments = lineValues[1].trim().split("\\s+");

                    for (String bodyPart : arguments)
                        powerActionEntry.femaleBodyParts.add(Integer.parseInt(bodyPart));
                    break;
                case "SCALEFACTOR":
                    arguments = lineValues[1].trim().split("\\s+");

                    for (String scaleFactor : arguments)
                        powerActionEntry.scaleFactor.add(Float.parseFloat(scaleFactor));
                    break;
                case "ISRESISTABLE":
                    powerActionEntry.isResistible = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "ISAGGRESSIVE":
                    powerActionEntry.isAggressive = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "BLADETRAILS":
                    powerActionEntry.bladeTrails = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "SHOULDSHOWWEAPONS":
                    powerActionEntry.shouldShowWeapons = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "SHOULDSHOWARMOR":
                    powerActionEntry.shouldShowArmor = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "APPLYEFFECTBLANK":
                    powerActionEntry.applyEffectBlank = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "WEAROFFEFFECTBLANK":
                    powerActionEntry.wearOffEffectBlank = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "ATTACKANIMS":
                    arguments = lineValues[1].trim().split("\\s+");

                    for (String animation : arguments)
                        powerActionEntry.attackAnimations.add(Integer.parseInt(animation));
                    break;
                case "REMOVEALL":
                    powerActionEntry.removeAll = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "EFFECTID":
                    effectDescription = new EffectDescription();
                    effectDescription.effect_id = lineValues[1].trim();
                    powerActionEntry.effects.add(effectDescription);
                    break;
                case "LEVELCAP":
                    arguments = lineValues[1].trim().split("\\s+");
                    powerActionEntry.levelCap = Integer.parseInt(arguments[0]);

                    if (arguments.length > 1)  // Not all level caps have a curve
                        powerActionEntry.levelCurve = mbEnums.CompoundCurveType.valueOf(arguments[1]);
                    break;
                case "CLEARAGGRO":
                    powerActionEntry.clearAggro = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "TARGETBECOMESPET":
                    powerActionEntry.targetBecomesPet = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "DESTROYOLDPET":
                    powerActionEntry.destroyOldPet = Boolean.parseBoolean(lineValues[1].trim());
                    break;
                case "DAMAGETYPE":
                    powerActionEntry.damageType = mbEnums.DamageType.valueOf(lineValues[1].trim().toUpperCase());
                    break;
                case "ROOTFSMID":
                    powerActionEntry.rootFsmID = mbEnums.MobBehaviourType.valueOf(lineValues[1].trim());
                    break;
                case "SPLASHDAMAGE":
                    arguments = lineValues[1].trim().split("\\s+");
                    powerActionEntry.splashDamageMin = Integer.parseInt(arguments[0]);
                    powerActionEntry.splashDamageMax = Integer.parseInt(arguments[1]);
                    break;
                case "APPLYEFFECTOTHER":
                case "APPLYEFFECTSELF":
                case "WEAROFFEFFECTOTHER": // Keys not parsed go here.
                case "WEAROFFEFFECTSELF":
                    break;
                default:
                    Logger.error("Unhandled variable type:" + key + " for powerAction: " + powerActionEntry.action_id);
            }
        }
        return powerActionEntry;
    }
}