create and implement ConfigLoadEvent

common/api/src/main/java/com/dfsek/terra/api/event/events/config/ConfigLoadEvent.java

@@ -0,0 +1,44 @@
+package com.dfsek.terra.api.event.events.config;
+
+import com.dfsek.tectonic.abstraction.AbstractConfiguration;
+import com.dfsek.tectonic.config.ConfigTemplate;
+import com.dfsek.terra.api.config.ConfigPack;
+import com.dfsek.terra.api.config.ConfigType;
+import com.dfsek.terra.api.event.events.PackEvent;
+
+import java.util.function.Consumer;
+
+/**
+ * Fired when each individual configuration is loaded.
+ */
+public class ConfigLoadEvent implements PackEvent {
+    private final ConfigPack pack;
+    private final AbstractConfiguration configuration;
+    private final Consumer<ConfigTemplate> loader;
+    private final ConfigType<?, ?> type;
+
+    public ConfigLoadEvent(ConfigPack pack, AbstractConfiguration configuration, Consumer<ConfigTemplate> loader, ConfigType<?, ?> type) {
+        this.pack = pack;
+        this.configuration = configuration;
+        this.loader = loader;
+        this.type = type;
+    }
+
+    @Override
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    public AbstractConfiguration getConfiguration() {
+        return configuration;
+    }
+
+    public <T extends ConfigTemplate> T load(T template) {
+        loader.accept(template);
+        return template;
+    }
+
+    public ConfigType<?, ?> getType() {
+        return type;
+    }
+}

common/implementation/src/main/java/com/dfsek/terra/config/pack/ConfigPackImpl.java

@@ -18,6 +18,7 @@ import com.dfsek.terra.api.config.ConfigFactory;
 import com.dfsek.terra.api.config.ConfigPack;
 import com.dfsek.terra.api.config.ConfigType;
 import com.dfsek.terra.api.config.Loader;
+import com.dfsek.terra.api.event.events.config.ConfigLoadEvent;
 import com.dfsek.terra.api.event.events.config.ConfigPackPostLoadEvent;
 import com.dfsek.terra.api.event.events.config.ConfigPackPreLoadEvent;
 import com.dfsek.terra.api.event.events.config.ConfigurationLoadEvent;
@@ -241,6 +242,7 @@ public class ConfigPackImpl implements ConfigPack {
             for(AbstractConfiguration config : abstractConfigLoader.loadConfigs(configs.getOrDefault(configType, Collections.emptyList()))) {
                 try {
                     registry.register(config.getID(), ((ConfigFactory) configType.getFactory()).build(selfLoader.load(configType.getTemplate(this, main), config), main));
+                    main.getEventManager().callEvent(new ConfigLoadEvent(this, config, template -> selfLoader.load(template, configuration), configType));
                 } catch(DuplicateEntryException e) {
                     throw new LoadException("Duplicate registry entry: ", e);
                 }