[ClientChunk] Added a timer to limit chunk updates. [ClientWorld] Improved the way cfar chunks are removed.

source/client/world/ClientChunk.cpp

@@ -24,6 +24,7 @@
  *
  * =====================================================================================
  */
+#include <gk/core/GameClock.hpp>
 #include <gk/gl/GLCheck.hpp>
 
 #include "ClientChunk.hpp"
@@ -33,6 +34,13 @@ u32 ClientChunk::chunkUpdatesPerSec = 0;
 u32 ClientChunk::chunkUpdateCounter = 0;
 u64 ClientChunk::chunkUpdateTime = 0;
 
+bool ClientChunk::isMeshingTime() {
+	u32 currentTime = gk::GameClock::getInstance().getTicks(true);
+	if (m_lastMeshingTime == 0)
+		m_lastMeshingTime = currentTime;
+	return (currentTime - m_lastMeshingTime > 1000); // Only one chunk update every second
+}
+
 void ClientChunk::update() {
 	u64 time = std::time(nullptr);
 	if (time > ClientChunk::chunkUpdateTime) {
@@ -41,13 +49,15 @@ void ClientChunk::update() {
 		ClientChunk::chunkUpdateTime = time;
 	}
 
-	if (m_lightmap.updateLights() || m_hasChanged || m_hasLightChanged) {
+	if (isMeshingTime() && (m_lightmap.updateLights() || m_hasChanged || m_hasLightChanged)) {
 		m_hasChanged = false;
 		m_hasLightChanged = false;
 
 		m_verticesCount = m_builder.buildChunk(*this, m_vbo);
 
 		++ClientChunk::chunkUpdateCounter;
+
+		m_lastMeshingTime = gk::GameClock::getInstance().getTicks(true);
 	}
 }
 

source/client/world/ClientChunk.hpp

@@ -41,6 +41,8 @@ class ClientChunk : public Chunk {
 		ClientChunk(s32 x, s32 y, s32 z, const Dimension &dimension, World &world, TextureAtlas &textureAtlas)
 			: Chunk(x, y, z, world), m_dimension(dimension), m_textureAtlas(textureAtlas), m_builder{textureAtlas} {}
 
+		bool isMeshingTime();
+
 		void update();
 
 		void drawLayer(gk::RenderTarget &target, gk::RenderStates states, u8 layer) const;
@@ -75,6 +77,8 @@ class ClientChunk : public Chunk {
 		bool m_isReadyForMeshing = false;
 		bool m_isTooFar = false;
 		bool m_hasBeenDrawn = false;
+
+		u32 m_lastMeshingTime = 0;
 };
 
 #endif // CLIENTCHUNK_HPP_

source/client/world/ClientWorld.cpp

@@ -45,25 +45,17 @@ ClientWorld::ClientWorld() : m_textureAtlas(gk::ResourceHandler::getInstance().g
 }
 
 void ClientWorld::update(bool allowWorldReload) {
+	// Delete unused chunks
+	for (auto &it : m_chunksToRemove)
+		m_chunks.erase(it);
+
 	// Update loaded chunks
-	for (auto it = m_chunks.begin() ; it != m_chunks.end() ;) {
-		// If chunk is too far, remove it
-		if (it->second->isTooFar() && (it->second->isInitialized() || it->second->areAllNeighboursTooFar())) {
-			// gkDebug() << "Chunk removed at" << it->second->x() << it->second->y() << it->second->z()
-			// 	<< "because" << (it->second->isInitialized() ? "too far and initialized" : "all neighbours are too far");
-			m_client->sendChunkUnload(it->second->x(), it->second->y(), it->second->z());
-			removeChunk(it);
-		}
-		// Otherwise, update the chunk
-		else {
-			if (World::isReloadRequested && allowWorldReload)
-				it->second->setChanged(true);
+	for (auto &it : m_chunks) {
+		if (World::isReloadRequested && allowWorldReload)
+			it.second->setChanged(true);
 
-			if (it->second->areAllNeighboursInitialized() && it->second->isReadyForMeshing())
-				it->second->update();
-
-			++it;
-		}
+		if (it.second->isReadyForMeshing())
+			it.second->update();
 	}
 
 	if (allowWorldReload)
@@ -84,11 +76,9 @@ void ClientWorld::requestClosestChunkMeshing() {
 	if (ud < 1000000.0) {
 		ClientChunk *chunk = (ClientChunk *)getChunk(ux, uy, uz);
 		if(chunk && !chunk->isReadyForMeshing()) {
-			// Send a chunk request to the server
-			// m_client->sendChunkRequest(ux, uy, uz);
 			chunk->setReadyForMeshing(true);
 
-			// std::cout << "Chunk at (" << ux << ", " << uy << ", " << uz << ") requested" << std::endl;
+			// gkDebug() << "Chunk at" << ux << uy << uz << "is ready for meshing";
 		}
 	}
 }
@@ -288,9 +278,14 @@ void ClientWorld::draw(gk::RenderTarget &target, gk::RenderStates states) const
 		// Nope, too far, don't render it
 		if(glm::length(center) > (Config::renderDistance + 1) * CHUNK_WIDTH) {
 			// If it is way too far, mark it for deletion
-			if(glm::length(center) > (Config::renderDistance + 3) * CHUNK_WIDTH)
-				it.second->setTooFar(true);
-			// gkDebug() << "Chunk at" << it.second->x() << it.second->y() << it.second->z() << "is too far:" << glm::length(center) << ">" << ((Config::renderDistance + 1) * CHUNK_WIDTH);
+			if(floor(glm::length(center)) > (Config::renderDistance + 3) * CHUNK_WIDTH
+			&& (it.second->isInitialized() || it.second->areAllNeighboursTooFar())) {
+				// gkDebug() << "Chunk at" << it.second->x() << it.second->y() << it.second->z() << "is too far:" << glm::length(center) << ">" << ((Config::renderDistance + 3) * CHUNK_WIDTH);
+				m_chunksToRemove.emplace(it.first);
+			}
+
+			it.second->setTooFar(true);
+
 			continue;
 		}
 

source/client/world/ClientWorld.hpp

@@ -28,6 +28,7 @@
 #define CLIENTWORLD_HPP_
 
 #include <unordered_map>
+#include <unordered_set>
 
 #include <gk/core/Vector4.hpp>
 #include <gk/core/EventHandler.hpp>
@@ -92,6 +93,8 @@ class ClientWorld : public World, public gk::Drawable {
 		mutable gk::Vector4d m_closestInitializedChunk{0, 0, 0, 1000000};
 
 		const Sky *m_sky = nullptr;
+
+		mutable std::unordered_set<gk::Vector3i> m_chunksToRemove;
 };
 
 #endif // CLIENTWORLD_HPP_