navmesh bugfix

docs/src/progress/renderertodo.md

@@ -1517,6 +1517,10 @@ GriddedDataCellManager pathfinding solution
 ServerTerrainManager nullcheck fix
 Fix nav mesh construction params
 
+(04/24/2025)
+GriddedDataCellManager debugging tools
+NavMesh bugfix
+
 
 
 

src/main/java/electrosphere/client/ui/menu/debug/ImGuiGriddedManager.java

@@ -1,6 +1,8 @@
 package electrosphere.client.ui.menu.debug;
 
 import electrosphere.engine.Globals;
+import electrosphere.entity.Entity;
+import electrosphere.entity.EntityUtils;
 import electrosphere.renderer.ui.imgui.ImGuiWindow;
 import electrosphere.renderer.ui.imgui.ImGuiWindow.ImGuiWindowCallback;
 import electrosphere.server.datacell.Realm;
@@ -46,6 +48,12 @@ public class ImGuiGriddedManager {
                         ImGui.text("Playerless tracking map size: " + manager.getCellPlayerlessFrameMap().keySet().size());
                     }
                     ImGui.text("Cells cleaned last frame: " + manager.getNumCleaned());
+                    if(ImGui.button("Player Data Cell Info")){
+                        Entity playerEntity = Globals.playerManager.getFirstPlayer().getPlayerEntity();
+                        Realm realm = Globals.realmManager.getEntityRealm(playerEntity);
+                        GriddedDataCellManager griddedDataCellManager = (GriddedDataCellManager)realm.getDataCellManager();
+                        griddedDataCellManager.printCellInfo(griddedDataCellManager.getDataCellAtPoint(EntityUtils.getPosition(playerEntity)));
+                    }
                 }
                 
             }

src/main/java/electrosphere/server/datacell/gridded/GriddedDataCellManager.java

@@ -763,6 +763,7 @@ public class GriddedDataCellManager implements DataCellManager, VoxelCellManager
         GriddedDataCellTrackingData trackingData = cellTrackingMap.get(dataCell);
 
         generationService.submit(() -> {
+            try {
                 BlockChunkData blockChunkData = realm.getServerWorldData().getServerBlockManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
                 ServerTerrainChunk terrainChunk = realm.getServerWorldData().getServerTerrainManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
                 targetCell.setTerrainChunk(terrainChunk);
@@ -786,6 +787,11 @@ public class GriddedDataCellManager implements DataCellManager, VoxelCellManager
 
                 //set ready
                 dataCell.setReady(true);
+            } catch(Exception ex){
+                LoggerInterface.loggerEngine.ERROR(ex);
+            } catch (Error ex){
+                LoggerInterface.loggerEngine.ERROR(ex);
+            }
         });
     }
 
@@ -1078,4 +1084,20 @@ public class GriddedDataCellManager implements DataCellManager, VoxelCellManager
         throw new UnsupportedOperationException("Unimplemented method 'findPath'");
     }
 
+    /**
+     * Prints information about the provided server data cell
+     * @param serverDataCell The cell
+     */
+    public void printCellInfo(ServerDataCell serverDataCell){
+        LoggerInterface.loggerEngine.WARNING("Number of players: " + serverDataCell.getPlayers().size());
+        GriddedDataCellTrackingData trackingData = this.cellTrackingMap.get(serverDataCell);
+        if(trackingData == null){
+            LoggerInterface.loggerEngine.WARNING("No tracking data for this cell in the gridded data cell manager");
+        } else {
+            LoggerInterface.loggerEngine.WARNING("Closest player distance: " + trackingData.getClosestPlayer());
+        }
+        LoggerInterface.loggerEngine.WARNING("Should simulate: " + this.shouldSimulate(serverDataCell));
+        LoggerInterface.loggerEngine.WARNING("Cell is ready: " + serverDataCell.isReady());
+    }
+
 }

src/main/java/electrosphere/server/pathfinding/NavMeshConstructor.java

@@ -105,10 +105,6 @@ public class NavMeshConstructor {
                 polyMesh.flags[i] = 1;
             }
 
-            PolyMeshDetail polyMeshDetail = recastBuilderResult.getMeshDetail();
-            if(polyMeshDetail == null){
-                throw new Error("Poly mesh detail is null");
-            }
 
             //set params
             NavMeshDataCreateParams params = new NavMeshDataCreateParams();
@@ -119,11 +115,6 @@ public class NavMeshConstructor {
             params.polyFlags = polyMesh.flags;
             params.polyCount = polyMesh.npolys;
             params.nvp = polyMesh.nvp;
-            params.detailMeshes = polyMeshDetail.meshes;
-            params.detailVerts = polyMeshDetail.verts;
-            params.detailVertsCount = polyMeshDetail.nverts;
-            params.detailTris = polyMeshDetail.tris;
-            params.detailTriCount = polyMeshDetail.ntris;
             params.walkableHeight = RECAST_AGENT_HEIGHT;
             params.walkableRadius = RECAST_AGENT_SIZE;
             params.walkableClimb = RECAST_AGENT_MAX_CLIMB;
@@ -133,6 +124,15 @@ public class NavMeshConstructor {
             params.ch = RECAST_CELL_HEIGHT;
             params.buildBvTree = true;
 
+            PolyMeshDetail polyMeshDetail = recastBuilderResult.getMeshDetail();
+            if(polyMeshDetail != null){
+                params.detailMeshes = polyMeshDetail.meshes;
+                params.detailVerts = polyMeshDetail.verts;
+                params.detailVertsCount = polyMeshDetail.nverts;
+                params.detailTris = polyMeshDetail.tris;
+                params.detailTriCount = polyMeshDetail.ntris;
+            }
+
             // params.offMeshConVerts = new float[6];
             // params.offMeshConVerts[0] = 0.1f;
             // params.offMeshConVerts[1] = 0.2f;