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chore: set scenario properties in the Config #59

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Jul 26, 2021
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chore: set scenario properties in the Config #59

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67 changes: 38 additions & 29 deletions src/main/java/org/terasology/moduletestingenvironment/TestingStateHeadlessSetup.java
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Expand Up @@ -4,60 +4,69 @@

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terasology.engine.config.Config;
import org.terasology.engine.config.ModuleConfig;
import org.terasology.engine.config.WorldGenerationConfig;
import org.terasology.engine.core.GameEngine;
import org.terasology.engine.core.SimpleUri;
import org.terasology.engine.core.TerasologyConstants;
import org.terasology.engine.core.module.ModuleManager;
import org.terasology.engine.core.TerasologyEngine;
import org.terasology.engine.core.subsystem.headless.mode.StateHeadlessSetup;
import org.terasology.engine.game.GameManifest;
import org.terasology.engine.registry.CoreRegistry;
import org.terasology.engine.world.internal.WorldInfo;
import org.terasology.engine.world.time.WorldTime;
import org.terasology.gestalt.module.dependencyresolution.DependencyResolver;
import org.terasology.gestalt.module.dependencyresolution.ResolutionResult;
import org.terasology.gestalt.naming.Name;
import org.terasology.gestalt.module.Module;

import java.util.Collection;
import java.util.Set;
import java.util.stream.Collectors;

import static com.google.common.base.Preconditions.checkArgument;

public class TestingStateHeadlessSetup extends StateHeadlessSetup {
private static final Logger logger = LoggerFactory.getLogger(TestingStateHeadlessSetup.class);

static final Name MTE_MODULE_NAME = new Name("ModuleTestingEnvironment");
static final String WORLD_TITLE = "testworld";
static final String DEFAULT_SEED = "seed";

private final Collection<String> dependencies;
private final String worldGeneratorUri;
private final SimpleUri worldGeneratorUri;
public TestingStateHeadlessSetup(Collection<String> dependencies, String worldGeneratorUri) {
this.dependencies = dependencies;
this.worldGeneratorUri = worldGeneratorUri;
this.worldGeneratorUri = new SimpleUri(worldGeneratorUri);
checkArgument(this.worldGeneratorUri.isValid(), "Not a valid URI `%s`", worldGeneratorUri);
}

@Override
public GameManifest createGameManifest() {
GameManifest gameManifest = new GameManifest();

gameManifest.setTitle("testworld");
gameManifest.setSeed("seed");
DependencyResolver resolver = new DependencyResolver(CoreRegistry.get(ModuleManager.class).getRegistry());

void configForTest(Config config) {
Set<Name> dependencyNames = dependencies.stream().map(Name::new).collect(Collectors.toSet());
logger.info("Building manifest for module dependencies: {}", dependencyNames);

// Include the MTE module to provide world generators and suchlike.
dependencyNames.add(new Name("ModuleTestingEnvironment"));
dependencyNames.add(MTE_MODULE_NAME);

ResolutionResult result = resolver.resolve(dependencyNames);
if (!result.isSuccess()) {
logger.error("Unable to resolve modules: {}", dependencyNames);
}
ModuleConfig moduleSelection = config.getDefaultModSelection();
moduleSelection.clear();
dependencyNames.forEach(moduleSelection::addModule);

for (Module module : result.getModules()) {
logger.info("Loading module {} {}", module.getId(), module.getVersion());
gameManifest.addModule(module.getId(), module.getVersion());
}
WorldGenerationConfig worldGenerationConfig = config.getWorldGeneration();
worldGenerationConfig.setDefaultGenerator(worldGeneratorUri);
worldGenerationConfig.setWorldTitle(WORLD_TITLE);
worldGenerationConfig.setDefaultSeed(DEFAULT_SEED);
}

@Override
public GameManifest createGameManifest() {
GameManifest gameManifest = super.createGameManifest();

float timeOffset = 0.25f + 0.025f; // Time at dawn + little offset to spawn in a brighter env.
WorldInfo worldInfo = new WorldInfo(TerasologyConstants.MAIN_WORLD, gameManifest.getSeed(),
(long) (WorldTime.DAY_LENGTH * timeOffset), new SimpleUri(worldGeneratorUri));
gameManifest.addWorld(worldInfo);
gameManifest.getWorldInfo(TerasologyConstants.MAIN_WORLD).setTime((long) (WorldTime.DAY_LENGTH * timeOffset));
return gameManifest;
}

@Override
public void init(GameEngine engine) {
// We want to modify Config before super.init calls createGameManifest, but the child context
// does not exist before we call super.init.
configForTest(((TerasologyEngine) engine).getFromEngineContext(Config.class));
super.init(engine);
}
}