[ClientPlayer] Now sending PlayerChunkPosUpdate.

docs/network-protocol.md

@@ -274,6 +274,14 @@ Packet sent from a client when it is ready to receive chunks.
 
 _This packet has no field._
 
+#### PlayerChunkPosUpdate
+
+| Field name    | Field type  | Notes                                                |
+| ------------- | ----------- | ---------------------------------------------------- |
+| Chunk X       | s32         | Chunk X coordinate                                   |
+| Chunk Y       | s32         | Chunk Y coordinate                                   |
+| Chunk Z       | s32         | Chunk Z coordinate                                   |
+
 #### BlockActivated
 
 | Field name    | Field type  | Notes                                                |

source/client/network/ClientCommandHandler.cpp

@@ -97,6 +97,14 @@ void ClientCommandHandler::sendPlayerReady() {
 	m_client.send(packet);
 }
 
+void ClientCommandHandler::sendPlayerChunkPosUpdate() const {
+	Network::Packet packet;
+	const gk::Vector3i &chunkPos = m_player.getCurrentChunk();
+	packet << Network::Command::PlayerChunkPosUpdate
+		<< s32(chunkPos.x) << s32(chunkPos.y) << s32(chunkPos.z);
+	m_client.send(packet);
+}
+
 void ClientCommandHandler::sendBlockActivated(const glm::ivec4 &selectedBlock) {
 	Network::Packet packet;
 	packet << Network::Command::BlockActivated

source/client/network/ClientCommandHandler.hpp

@@ -53,6 +53,7 @@ class ClientCommandHandler {
 		void sendPlayerPlaceBlock(s32 x, s32 y, s32 z, u32 block);
 		void sendPlayerHeldItemChanged(u8 hotbarSlot, u16 itemID);
 		void sendPlayerReady();
+		void sendPlayerChunkPosUpdate() const;
 		void sendBlockActivated(const glm::ivec4 &selectedBlock);
 		void sendBlockInvUpdate(Inventory &inventory);
 		void sendItemActivated(const glm::ivec4 &selectedBlock);

source/client/world/ClientPlayer.cpp

@@ -29,6 +29,7 @@
 #include <gk/core/input/GamePad.hpp>
 #include <gk/core/Mouse.hpp>
 
+#include "ClientCommandHandler.hpp"
 #include "ClientPlayer.hpp"
 #include "ClientWorld.hpp"
 #include "GameConfig.hpp"
@@ -153,6 +154,12 @@ void ClientPlayer::updatePosition(const ClientWorld &world) {
 	else {
 		GameConfig::currentScreenEffect = 0;
 	}
+
+	// Sending PlayerChunkPosUpdate if needed
+	if (!m_lastChunkPos.has_value() || m_lastChunkPos.value() != getCurrentChunk()) {
+		world.client().sendPlayerChunkPosUpdate();
+		m_lastChunkPos = getCurrentChunk();
+	}
 }
 
 void ClientPlayer::setPosition(double x, double y, double z) {

source/client/world/ClientPlayer.hpp

@@ -88,6 +88,8 @@ class ClientPlayer : public Player {
 		bool m_isJumping = false;
 
 		const float m_jumpSpeed = 0.06f;
+
+		std::optional<gk::Vector3i> m_lastChunkPos;
 };
 
 #endif // CLIENTPLAYER_HPP_

source/client/world/ClientWorld.hpp

@@ -65,6 +65,8 @@ class ClientWorld : public World, public gk::Drawable {
 		const ClientScene &scene() const { return m_scene; }
 		ClientScene &scene() { return m_scene; }
 
+		const ClientCommandHandler &client() const { return *m_client; }
+
 		void setClient(ClientCommandHandler &client) { m_client = &client; }
 		void setCamera(gk::Camera &camera) { m_camera = &camera; m_scene.setCamera(camera); }
 		void setEventHandler(gk::EventHandler &eventHandler) { m_eventHandler = &eventHandler; }

source/common/network/Network.cpp

@@ -52,6 +52,7 @@ std::string Network::commandToString(Network::Command command) {
 		{Network::Command::PlayerChangeDimension, "PlayerChangeDimension"},
 		{Network::Command::PlayerHeldItemChanged, "PlayerHeldItemChanged"},
 		{Network::Command::PlayerReady,           "PlayerReady"},
+		{Network::Command::PlayerChunkPosUpdate,  "PlayerChunkPosUpdate"},
 
 		{Network::Command::BlockUpdate,           "BlockUpdate"},
 		{Network::Command::BlockActivated,        "BlockActivated"},

source/common/network/Network.hpp

@@ -55,6 +55,7 @@ namespace Network {
 		PlayerChangeDimension = 0x36,
 		PlayerHeldItemChanged = 0x37,
 		PlayerReady           = 0x38,
+		PlayerChunkPosUpdate  = 0x39,
 
 		BlockUpdate           = 0x40,
 		BlockActivated        = 0x41,