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src/main/java/net/rptools/maptool/client/functions/IlluminationFunctions.java
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| /* | ||
| * This software Copyright by the RPTools.net development team, and | ||
| * licensed under the Affero GPL Version 3 or, at your option, any later | ||
| * version. | ||
| * | ||
| * MapTool Source Code 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. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public | ||
| * License * along with this source Code. If not, please visit | ||
| * <http://www.gnu.org/licenses/> and specifically the Affero license | ||
| * text at <http://www.gnu.org/licenses/agpl.html>. | ||
| */ | ||
| package net.rptools.maptool.client.functions; | ||
|
|
||
| import com.google.gson.JsonNull; | ||
| import java.awt.geom.Point2D; | ||
| import java.math.BigDecimal; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import net.rptools.maptool.client.MapTool; | ||
| import net.rptools.maptool.client.functions.json.JSONMacroFunctions; | ||
| import net.rptools.maptool.client.ui.zone.PlayerView; | ||
| import net.rptools.maptool.client.ui.zone.ZoneRenderer; | ||
| import net.rptools.maptool.language.I18N; | ||
| import net.rptools.maptool.model.Token; | ||
| import net.rptools.maptool.util.FunctionUtil; | ||
| import net.rptools.parser.Parser; | ||
| import net.rptools.parser.ParserException; | ||
| import net.rptools.parser.VariableResolver; | ||
| import net.rptools.parser.function.AbstractFunction; | ||
| import net.rptools.parser.function.Function; | ||
|
|
||
| public class IlluminationFunctions extends AbstractFunction { | ||
| private static final IlluminationFunctions instance = new IlluminationFunctions(); | ||
|
|
||
| private IlluminationFunctions() { | ||
| super(0, Function.UNLIMITED_PARAMETERS, "getIllumination"); | ||
| } | ||
|
|
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| public static IlluminationFunctions getInstance() { | ||
| return instance; | ||
| } | ||
|
|
||
| @Override | ||
| public Object childEvaluate( | ||
| Parser parser, VariableResolver resolver, String functionName, List<Object> parameters) | ||
| throws ParserException { | ||
| if (functionName.equalsIgnoreCase("getIllumination")) { | ||
| return BigDecimal.valueOf(getIllumination(functionName, parameters)); | ||
| } | ||
|
|
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| throw new ParserException(I18N.getText("macro.function.general.unknownFunction", functionName)); | ||
| } | ||
|
|
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| private int getIllumination(String functionName, List<Object> parameters) throws ParserException { | ||
| FunctionUtil.blockUntrustedMacro(functionName); | ||
| FunctionUtil.checkNumberParam(functionName, parameters, 2, 4); | ||
|
|
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| final var x = FunctionUtil.paramAsInteger(functionName, parameters, 0, false); | ||
| final var y = FunctionUtil.paramAsInteger(functionName, parameters, 1, false); | ||
| final var point = new Point2D.Double(x, y); | ||
|
|
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| final var renderer = FunctionUtil.getZoneRendererFromParam(functionName, parameters, 2); | ||
| final var playerView = getPlayerView(functionName, renderer, parameters, 3); | ||
|
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| for (final var lumensLevel : | ||
| renderer.getZoneView().getDisjointObscuredLumensLevels(playerView)) { | ||
| if (lumensLevel.darknessArea().contains(point)) { | ||
| return -lumensLevel.lumensStrength(); | ||
| } else if (lumensLevel.lightArea().contains(point)) { | ||
| return lumensLevel.lumensStrength(); | ||
| } | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| /** | ||
| * Builds a player view for `getIllumination()` | ||
| * | ||
| * @param functionName | ||
| * @param renderer | ||
| * @param parameters | ||
| * @param tokenListIndex | ||
| * @return If the token list is not provided, the current view for the zone. If `json.null` is | ||
| * provided, a non-token view. If a token ID list is provided, a token view containing the | ||
| * identified tokens. is returned. If the token ID list is empty, a token view with no in it. | ||
| * @throws ParserException | ||
| */ | ||
| private PlayerView getPlayerView( | ||
| String functionName, ZoneRenderer renderer, List<Object> parameters, int tokenListIndex) | ||
| throws ParserException { | ||
| if (parameters.size() <= tokenListIndex) { | ||
| return renderer.getPlayerView(); | ||
| } | ||
|
|
||
| final var parameter = parameters.get(tokenListIndex); | ||
| if (parameter instanceof JsonNull) { | ||
| // Explicitly requesting without token view. | ||
| return new PlayerView(MapTool.getPlayer().getEffectiveRole()); | ||
| } | ||
|
|
||
| // Tokens for the view passed as a JSON array. | ||
| final var jsonList = | ||
| JSONMacroFunctions.getInstance().asJsonElement(parameters.get(3).toString()); | ||
| if (!jsonList.isJsonArray()) { | ||
| // Whoops, we need an array. | ||
| throw new ParserException(I18N.getText("macro.function.general.argumentTypeA", functionName)); | ||
| } | ||
| final var jsonArray = jsonList.getAsJsonArray(); | ||
|
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| final var tokens = new ArrayList<Token>(); | ||
| for (final var element : jsonArray) { | ||
| final var identifier = JSONMacroFunctions.getInstance().jsonToScriptString(element); | ||
| final var token = renderer.getZone().resolveToken(identifier); | ||
| if (token == null) { | ||
| throw new ParserException( | ||
| I18N.getText("macro.function.general.unknownToken", functionName, identifier)); | ||
| } | ||
|
|
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| tokens.add(token); | ||
| } | ||
|
|
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| return new PlayerView(MapTool.getPlayer().getEffectiveRole(), tokens); | ||
| } | ||
| } |
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