Start a new forge (no checking for now).

src/main/java/emu/grasscutter/data/GameData.java

@@ -368,4 +368,8 @@ public class GameData {
 	public static Int2ObjectMap<QuestData> getQuestDataMap() {
 		return questDataMap;
 	}
+
+	public static Int2ObjectMap<ForgeData> getForgeDataMap() {
+		return forgeDataMap;
+	}
 }

src/main/java/emu/grasscutter/game/managers/ForgingManager/ActiveForgeData.java

 package emu.grasscutter.game.managers.ForgingManager;
 
 import dev.morphia.annotations.Entity;
+import emu.grasscutter.utils.Utils;
 
 @Entity
 public class ActiveForgeData {
 	private int forgeId;
 	private int avatarId;
+	private int count;
 
 	private int startTime;
 	private int forgeTime;
@@ -14,6 +16,29 @@ public class ActiveForgeData {
 	// private int nextFinishTimestamp;
 	// private int totalFinishTimestamp;
 
+
+	public int getFinishedCount(int currentTime) {
+		int timeDelta = currentTime - this.startTime;
+		int finishedCount = (int)Math.floor(timeDelta / this.forgeTime);
+
+		return Math.min(finishedCount, this.count);
+	}
+
+	public int getUnfinishedCount(int currentTime) {
+		return this.count - this.getFinishedCount(currentTime);
+	}
+
+	public int getNextFinishTimestamp(int currentTime) {
+		return
+			(currentTime >= this.getTotalFinishTimestamp())
+			? this.getTotalFinishTimestamp()
+			: (this.getFinishedCount(currentTime) * this.forgeTime + this.forgeTime + this.startTime);
+	}
+
+	public int getTotalFinishTimestamp() {
+		return this.startTime + this.forgeTime * this.count;
+	}
+
 	public int getForgeId() {
 		return this.forgeId;
 	}
@@ -28,6 +53,13 @@ public class ActiveForgeData {
 		this.avatarId = value;
 	}
 
+	public int getCount() {
+		return count;
+	}
+	public void setCount(int value) {
+		this.count = value;
+	}
+
 	public int getStartTime() {
 		return this.startTime;
 	}

src/main/java/emu/grasscutter/game/managers/ForgingManager/ForgingManager.java

@@ -3,6 +3,9 @@ package emu.grasscutter.game.managers.ForgingManager;
 import java.util.HashMap;
 import java.util.Map;
 
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.excels.ForgeData;
 import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.net.proto.ForgeStartReqOuterClass;
@@ -12,6 +15,9 @@ import emu.grasscutter.server.packet.send.PacketForgeDataNotify;
 import emu.grasscutter.server.packet.send.PacketForgeFormulaDataNotify;
 import emu.grasscutter.server.packet.send.PacketForgeGetQueueDataRsp;
 import emu.grasscutter.server.packet.send.PacketForgeStartRsp;
+import emu.grasscutter.utils.Utils;
+import emu.grasscutter.utils.ConfigContainer.Game;
+import net.bytebuddy.dynamic.TypeResolutionStrategy.Active;
 
 public class ForgingManager {
 	private final Player player;
@@ -53,19 +59,25 @@ public class ForgingManager {
 	}
 
 	private Map<Integer, ForgeQueueData> determineCurrentForgeQueueData() {
-		// Dummy for now.
+		Map<Integer, ForgeQueueData> res = new HashMap<>();
+		int currentTime = Utils.getCurrentSeconds();
+
+		// Create queue information for all active forges.
+		for (int i = 0; i < this.player.getActiveForges().size(); i++) {
+			ActiveForgeData activeForge = this.player.getActiveForges().get(i);
+
 			ForgeQueueData data = ForgeQueueData.newBuilder()
-			.setQueueId(1)
-			.setForgeId(11001)
-			.setFinishCount(2)
-			.setUnfinishCount(3)
-			.setNextFinishTimestamp(0)
-			.setNextFinishTimestamp(0)
-			.setAvatarId(0)
+				.setQueueId(i + 1)
+				.setForgeId(activeForge.getForgeId())
+				.setFinishCount(activeForge.getFinishedCount(currentTime))
+				.setUnfinishCount(activeForge.getUnfinishedCount(currentTime))
+				.setTotalFinishTimestamp(activeForge.getTotalFinishTimestamp())
+				.setNextFinishTimestamp(activeForge.getNextFinishTimestamp(currentTime))
+				.setAvatarId(activeForge.getAvatarId())
 				.build();
 
-		Map<Integer, ForgeQueueData> res = new HashMap<>();
-		res.put(1, data);
+			res.put(i + 1, data);
+		}
 
 		return res;
 	}
@@ -93,8 +105,39 @@ public class ForgingManager {
 		Initiate forging process.
 	**********/
 	public void startForging(ForgeStartReqOuterClass.ForgeStartReq req) {
-		// Dummy for now.
-		this.player.sendPacket(new PacketForgeStartRsp(Retcode.RET_SUCC));
+		// Refuse if all queues are already full.
+		if (this.player.getActiveForges().size() >= this.determineNumberOfQueues()) {
+			this.player.sendPacket(new PacketForgeStartRsp(Retcode.RET_FORGE_QUEUE_FULL));
+			return;
+		}
+
+		// Get the required forging information for the target item.
+		if (!GameData.getForgeDataMap().containsKey(req.getForgeId())) {
+			this.player.sendPacket(new PacketForgeStartRsp(Retcode.RET_FAIL)); //ToDo: Probably the wrong return code.
+			Grasscutter.getLogger().error("Missing forgeId");
+			return;
 		}
 
+		ForgeData forgeData = GameData.getForgeDataMap().get(req.getForgeId());
+		
+		// Check if we have enough of each material.
+		// ToDo.
+
+		// Consume material.
+		// ToDo.
+
+		// Create and add active forge.
+		ActiveForgeData activeForge = new ActiveForgeData();
+		activeForge.setForgeId(req.getForgeId());
+		activeForge.setAvatarId(req.getAvatarId());
+		activeForge.setCount(req.getForgeCount());
+		activeForge.setStartTime(Utils.getCurrentSeconds());
+		activeForge.setForgeTime(forgeData.getForgeTime());
+
+		this.player.getActiveForges().add(activeForge);
+
+		// Done.
+		this.player.sendPacket(new PacketForgeStartRsp(Retcode.RET_SUCC));
+		this.sendForgeDataNotify();
+	}
 }