forked from MagicBane/Server
Load Powers.cfg at world boot
PowerParser loads Powers.cfg into PowerTemplate._powers. The 22 header fields are named after the client loader's error messages (0x56E410); ACTION= lines keep trains, duration, curve and stack fields; prereqs, curves, flags, messages and CONDITION blocks are kept. Keys compare case-insensitively, as in the client. Four keys the client ignores (APPLYDAMAGESELF=, APPLYEFFECTCASTER=, APPLYEFFECTTARGET= and a POWEREND= typo) are skipped; any other unknown key fails the load. Numbers are read like the client's atoi/atof with a warning when a token isn't clean: PRL-033 init time "2.9.0" -> 2.9 and SGE-001 precision "10.0" -> 10, which matches the DB. Ten EQPREREQ lines end without a required flag, which the client reads as 0. Needs the fixed Powers.cfg (SRDX-DB header had "SPELL 15 Unknown" pasted twice; fixed in MBDATA, findings section 6). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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// • ▌ ▄ ·. ▄▄▄· ▄▄ • ▪ ▄▄· ▄▄▄▄· ▄▄▄· ▐▄▄▄ ▄▄▄ .
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// ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
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// ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
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// ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
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// ▀▀ █▪▀▀▀ ▀ ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀ ▀ ▀ ▀▀ █▪ ▀▀▀
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// Magicbane Emulator Project © 2013 - 2026
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// https://www.magicbane.com
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package engine.parsers.wpak;
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import engine.mbEnums;
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import engine.parsers.objects.wpak.PowerTemplate;
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import org.pmw.tinylog.Logger;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.HashSet;
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// Loads Powers.cfg (client loader 0x56E410). CompoundCurves.cfg must be loaded first.
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public class PowerParser {
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private static final String fileName = "Powers.cfg";
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private static final int headerSize = 22;
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// Keys the client's loader doesn't know and skips; "POWEREND=" is a typo for CURVE= on one power
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private static final HashSet<String> clientIgnoredKeys = new HashSet<>(Arrays.asList(
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"APPLYDAMAGESELF=", "APPLYEFFECTCASTER=", "APPLYEFFECTTARGET=", "POWEREND="));
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public static HashMap<String, PowerTemplate> parsePowersFile() {
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HashMap<String, PowerTemplate> powers = new HashMap<>();
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WpakBlock root;
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PowerTemplate power;
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int blockCount = 0;
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int failedCount = 0;
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try {
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root = WpakFileReader.readBlocks(fileName);
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} catch (Exception e) {
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Logger.error(fileName + ": " + e.getMessage());
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return null;
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}
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for (WpakLine line : root.lines()) {
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Logger.error(line.location() + ": line outside POWERBEGIN/END");
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failedCount++;
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}
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for (WpakBlock block : root.blocks()) {
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try {
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if (!block.name.equals("POWER"))
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throw block.beginLine.error("unexpected " + block.name + "BEGIN");
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blockCount++;
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power = parsePowerBlock(block);
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if (powers.containsKey(power.power_id))
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Logger.warn(block.location() + ": duplicate power " + power.power_id + "; the later entry wins");
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powers.put(power.power_id, power);
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} catch (WpakFormatException e) {
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Logger.error(e.getMessage());
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failedCount++;
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} catch (Exception e) {
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Logger.error(block.location() + ": " + e);
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failedCount++;
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}
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}
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Logger.info("Loaded " + powers.size() + " of " + blockCount + " powers");
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if (failedCount > 0)
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return null;
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return powers;
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}
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private static PowerTemplate parsePowerBlock(WpakBlock block) {
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PowerTemplate power = new PowerTemplate();
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ArrayList<WpakLine> lines = block.lines();
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if (lines.isEmpty())
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throw block.beginLine.error("power has no header line");
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parseHeader(power, lines.get(0));
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for (int i = 1; i < lines.size(); i++)
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parseKey(power, lines.get(i));
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for (WpakBlock child : block.blocks()) {
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if (!child.name.equals("CONDITION"))
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throw child.beginLine.error("unexpected " + child.name + "BEGIN in a power");
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for (WpakLine line : child.lines())
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power.conditions.add(EffectParser.parseCondition(line));
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}
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return power;
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}
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private static void parseHeader(PowerTemplate power, WpakLine header) {
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if (header.size() != headerSize)
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throw header.error("power header has " + header.size() + " tokens, expected " + headerSize);
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power.power_id = header.token(0);
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power.power_name = header.token(1);
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power.power_type = header.enumToken(mbEnums.PowerType.class, 2);
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power.icon_number = header.intToken(3);
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power.focus = header.token(4);
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power.target_type = header.enumToken(mbEnums.PowerTargetType.class, 5);
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power.range = header.floatToken(6);
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power.area_type = header.enumToken(mbEnums.AreaType.class, 7);
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power.area_range = header.floatToken(8);
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power.exclude_type = header.enumToken(mbEnums.ExcludeType.class, 9);
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power.cost_type = header.enumToken(mbEnums.CostType.class, 10);
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power.cost_amt = header.floatToken(11);
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power.difficulty = header.intToken(12);
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power.precision = header.intToken(13);
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power.init_time = header.floatToken(14);
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power.release_time = header.floatToken(15);
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power.recycle_time = header.floatToken(16);
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power.hit_roll_yn = header.boolToken(17);
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power.casting_mode = header.enumToken(mbEnums.CastingModeType.class, 18);
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power.init_anim = header.intToken(19);
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power.release_anim = header.intToken(20);
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power.target_sel = header.enumToken(mbEnums.TargetSelectType.class, 21);
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}
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// The client compares keys case-insensitively (cfg has MaxLevel= and HateValue=)
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private static void parseKey(PowerTemplate power, WpakLine line) {
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String key = line.token(0).toUpperCase();
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switch (key) {
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case "ACTION=":
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power.actions.add(parseAction(line));
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break;
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case "MAXLEVEL=":
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power.maxlevel = line.intToken(1);
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break;
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case "HATEVALUE=":
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power.hatevalue = line.floatToken(1);
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power.hatevalue_curve = line.has(2) ? WpakParserUtil.curveToken(line, 2) : null;
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break;
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case "GRANTOVERRIDEVAR=":
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power.grantoverridevar = line.token(1);
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break;
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case "CATEGORY=":
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power.category = line.enumToken(mbEnums.PowerCategoryType.class, 1);
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break;
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case "EQPREREQ=":
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parseEquipPrereqs(power, line);
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break;
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case "MONSTERTYPEPREREQS=":
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for (int i = 1; i < line.size(); i++)
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power.monstertypeprereqs.add(line.enumToken(mbEnums.MonsterType.class, i));
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break;
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case "MONSTERTYPERESTRICTS=":
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for (int i = 1; i < line.size(); i++)
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power.monstertyperestricts.add(line.enumToken(mbEnums.MonsterType.class, i));
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break;
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case "TARGETEFFECTPREREQS_ANDED=":
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parseEffectPrereqPairs(power.targeteffectprereqs_anded, line);
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break;
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case "TARGETEFFECTPREREQS_ORED=":
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parseEffectPrereqPairs(power.targeteffectprereqs_ored, line);
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break;
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case "EFFECTPREREQ=":
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power.effectprereqs.add(parseEffectPrereq(line));
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break;
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case "CURVE=":
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power.curves.put(line.token(1), WpakParserUtil.curveToken(line, 2));
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break;
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case "DESCRIPTION=":
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power.descriptions.add(line.token(1));
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break;
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case "LOOPANIMID=":
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power.loopanimid = line.intToken(1);
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break;
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case "BLADETRAILS=":
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power.bladetrails = line.optionalBoolToken(1);
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break;
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case "CANCASTWHILEMOVING=":
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power.cancastwhilemoving = line.optionalBoolToken(1);
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break;
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case "CANCASTWHILEFLYING=":
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power.cancastwhileflying = line.optionalBoolToken(1);
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break;
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case "SHOULDCHECKPATH=":
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power.shouldcheckpath = line.optionalBoolToken(1);
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break;
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case "ISADMINPOWER=":
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power.isadminpower = line.optionalBoolToken(1);
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break;
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case "CANTARGETADMIN=":
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power.cantargetadmin = line.optionalBoolToken(1);
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break;
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case "ISPROJECTILE=":
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power.isprojectile = line.optionalBoolToken(1);
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break;
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case "STICKY=":
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power.sticky = line.optionalBoolToken(1);
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break;
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case "MAXNUMMOBTARGETS=":
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power.maxnummobtargets = line.intToken(1);
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break;
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case "MAXNUMPLAYERTARGETS=":
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power.maxnumplayertargets = line.intToken(1);
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break;
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case "PULSEINFO=":
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power.pulseinfo_duration = line.floatToken(1);
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power.pulseinfo_iterations = line.intToken(2);
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break;
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case "SOUNDS=":
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power.sounds.addAll(line.intTokensFrom(1));
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break;
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case "CASTERSPULSEPARTICLE=":
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power.casterspulseparticle = line.intToken(1);
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break;
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case "INITSTRING=":
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power.initstring = line.token(1);
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break;
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case "SUCCESSSELF=":
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power.successself = line.token(1);
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break;
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case "SUCCESSOTHER=":
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power.successother = line.token(1);
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break;
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case "FIZZLESELF=":
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power.fizzleself = line.token(1);
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break;
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case "FIZZLEOTHER=":
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power.fizzleother = line.token(1);
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break;
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case "APPLYEFFECTSELF=":
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power.applyeffectself = line.token(1);
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break;
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case "APPLYEFFECTOTHER=":
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power.applyeffectother = line.token(1);
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break;
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case "WEAROFFEFFECTSELF=":
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power.wearoffeffectself = line.token(1);
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break;
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case "WEAROFFEFFECTOTHER=":
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power.wearoffeffectother = line.token(1);
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break;
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case "APPLYDAMAGECASTER=":
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power.applydamagecaster = line.token(1);
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break;
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case "APPLYDAMAGETARGET=":
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power.applydamagetarget = line.token(1);
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break;
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case "APPLYDAMAGEOTHER=":
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power.applydamageother = line.token(1);
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break;
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default:
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if (!clientIgnoredKeys.contains(key))
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throw line.error("unknown power key " + line.token(0));
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}
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}
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private static PowerTemplate.ActionEntry parseAction(WpakLine line) {
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PowerTemplate.ActionEntry action = new PowerTemplate.ActionEntry();
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action.action_id = line.token(1);
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action.min_trains = line.intToken(2);
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action.max_trains = line.intToken(3);
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action.duration = line.floatToken(4);
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action.duration_curve = WpakParserUtil.curveToken(line, 5);
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action.stack_type = line.token(6);
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action.stack_order = line.intToken(7);
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action.stack_priority = line.enumToken(mbEnums.CategoryToPowerType.class, 8);
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action.args.addAll(line.tokens.subList(1, line.size()));
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return action;
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}
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// Ten lines end in "LHELD Bow" with no flag; the client reads the missing flag as 0
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private static void parseEquipPrereqs(PowerTemplate power, WpakLine line) {
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PowerTemplate.EquipPrereq prereq;
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for (int i = 1; i < line.size(); i += 3) {
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prereq = new PowerTemplate.EquipPrereq();
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prereq.slot = line.enumToken(mbEnums.EquipSlotType.class, i);
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prereq.skill = line.token(i + 1);
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prereq.required = line.optionalBoolToken(i + 2);
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power.eqprereqs.add(prereq);
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}
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}
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private static void parseEffectPrereqPairs(ArrayList<PowerTemplate.EffectPrereq> prereqs, WpakLine line) {
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PowerTemplate.EffectPrereq prereq;
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for (int i = 1; i < line.size(); i += 2) {
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prereq = new PowerTemplate.EffectPrereq();
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prereq.effect_id = line.token(i);
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prereq.value = line.intToken(i + 1);
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prereqs.add(prereq);
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}
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}
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// The message is the rest of the line; two lines wrap it in doubled quotes (""text""),
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// which split it into words with empty tokens at each end
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private static PowerTemplate.EffectPrereq parseEffectPrereq(WpakLine line) {
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PowerTemplate.EffectPrereq prereq = new PowerTemplate.EffectPrereq();
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ArrayList<String> words = new ArrayList<>();
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prereq.effect_id = line.token(1);
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prereq.value = line.intToken(2);
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for (int i = 3; i < line.size(); i++)
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if (!line.token(i).isEmpty())
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words.add(line.token(i));
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prereq.message = String.join(" ", words);
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return prereq;
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}
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}
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Reference in new issue
Block a user