From b56d077892f73d1ff4d1626a20e0717a541ca2a5 Mon Sep 17 00:00:00 2001
From: Aaron Kimbre <aronwk.aaron@gmail.com>
Date: Mon, 3 Jun 2024 21:50:12 -0500
Subject: [PATCH] feat: spectate command

---
 dGame/dGameMessages/GameMessages.cpp               | 14 ++++++++++++++
 dGame/dGameMessages/GameMessages.h                 |  6 ++++++
 dGame/dUtilities/SlashCommandHandler.cpp           |  9 +++++++++
 .../SlashCommands/GMGreaterThanZeroCommands.cpp    |  8 ++++++++
 .../SlashCommands/GMGreaterThanZeroCommands.h      |  1 +
 5 files changed, 38 insertions(+)

diff --git a/dGame/dGameMessages/GameMessages.cpp b/dGame/dGameMessages/GameMessages.cpp
index a97407d8..c6a4cf3d 100644
--- a/dGame/dGameMessages/GameMessages.cpp
+++ b/dGame/dGameMessages/GameMessages.cpp
@@ -6212,3 +6212,17 @@ void GameMessages::SendSlashCommandFeedbackText(Entity* entity, std::u16string t
 	auto sysAddr = entity->GetSystemAddress();
 	SEND_PACKET;
 }
+
+void GameMessages::SendForceCameraTargetCycle(Entity* entity, bool bForceCycling, eCameraTargetCyclingMode cyclingMode, LWOOBJID optionalTargetID) {
+	CBITSTREAM;
+	CMSGHEADER;
+
+	bitStream.Write(entity->GetObjectID());
+	bitStream.Write(eGameMessageType::FORCE_CAMERA_TARGET_CYCLE);
+	bitStream.Write(bForceCycling);
+	bitStream.Write(cyclingMode);
+	bitStream.Write(optionalTargetID);
+
+	auto sysAddr = entity->GetSystemAddress();
+	SEND_PACKET;
+}
diff --git a/dGame/dGameMessages/GameMessages.h b/dGame/dGameMessages/GameMessages.h
index b842710e..21bdfb41 100644
--- a/dGame/dGameMessages/GameMessages.h
+++ b/dGame/dGameMessages/GameMessages.h
@@ -40,6 +40,11 @@ enum class eQuickBuildState : uint32_t;
 enum class BehaviorSlot : int32_t;
 enum class eVendorTransactionResult : uint32_t;
 
+enum class eCameraTargetCyclingMode : int32_t {
+	ALLOW_CYCLE_TEAMMATES,
+	DISALLOW_CYCLING
+};
+
 namespace GameMessages {
 	class PropertyDataMessage;
 	void SendFireEventClientSide(const LWOOBJID& objectID, const SystemAddress& sysAddr, std::u16string args, const LWOOBJID& object, int64_t param1, int param2, const LWOOBJID& sender);
@@ -666,6 +671,7 @@ namespace GameMessages {
 	void HandleCancelDonationOnPlayer(RakNet::BitStream& inStream, Entity* entity);
 
 	void SendSlashCommandFeedbackText(Entity* entity, std::u16string text);
+	void SendForceCameraTargetCycle(Entity* entity, bool bForceCycling, eCameraTargetCyclingMode cyclingMode, LWOOBJID optionalTargetID);
 };
 
 #endif // GAMEMESSAGES_H
diff --git a/dGame/dUtilities/SlashCommandHandler.cpp b/dGame/dUtilities/SlashCommandHandler.cpp
index 428ccbcb..20f2634a 100644
--- a/dGame/dUtilities/SlashCommandHandler.cpp
+++ b/dGame/dUtilities/SlashCommandHandler.cpp
@@ -929,6 +929,15 @@ void SlashCommandHandler::Startup() {
 	};
 	RegisterCommand(FindPlayerCommand);
 
+	Command SpectateCommand{
+		.help = "Spectate a player",
+		.info = "Specify a player name to spectate. They must be in the same world as you",
+		.aliases = { "spectate", "follow" },
+		.handle = GMGreaterThanZeroCommands::Spectate,
+		.requiredLevel = eGameMasterLevel::JUNIOR_MODERATOR
+	};
+	RegisterCommand(SpectateCommand);
+
 	// Register GM Zero Commands
 
 	Command HelpCommand{
diff --git a/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.cpp b/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.cpp
index ea33aa03..e2802d62 100644
--- a/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.cpp
+++ b/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.cpp
@@ -322,4 +322,12 @@ namespace GMGreaterThanZeroCommands {
 		request.Serialize(bitStream);
 		Game::chatServer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE, 0, Game::chatSysAddr, false);
 	}
+
+	void Spectate(Entity* entity, const SystemAddress& sysAddr, const std::string args) {
+		if (args.length() <= 0) GameMessages::SendSlashCommandFeedbackText(entity, u"No player Given");
+		auto player = PlayerManager::GetPlayer(args);
+		if (!player) GameMessages::SendSlashCommandFeedbackText(entity, u"Player not found");
+		GameMessages::SendSlashCommandFeedbackText(entity, u"Spectating Player");
+		GameMessages::SendForceCameraTargetCycle(entity, false, eCameraTargetCyclingMode::DISALLOW_CYCLING, player->GetObjectID());
+	}
 }
diff --git a/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h b/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h
index 7cb3d8d7..c278fc0a 100644
--- a/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h
+++ b/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h
@@ -15,6 +15,7 @@ namespace GMGreaterThanZeroCommands {
 	void Title(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void ShowAll(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void FindPlayer(Entity* entity, const SystemAddress& sysAddr, const std::string args);
+	void Spectate(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 }
 
 #endif  //!GMGREATERTHANZEROCOMMANDS_H