From ee5edc4d5e55d7f27f9c5bc844bd916fb1a99b07 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Mon, 17 Aug 2020 20:31:56 +0800
Subject: [PATCH] 1

---
 server/gameserver/navmeshbuilder.cc | 12 ++++++++++++
 server/gameserver/navmeshhelper.h   |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/server/gameserver/navmeshbuilder.cc b/server/gameserver/navmeshbuilder.cc
index 9b4f5a3..7572ef3 100644
--- a/server/gameserver/navmeshbuilder.cc
+++ b/server/gameserver/navmeshbuilder.cc
@@ -68,8 +68,20 @@ void NavMeshBuilder::InitNavMeshParams(BuilderParams& builder_params, dtNavMeshP
     rcVcopy(params.orig, builder_params.gemo->GetMeshBoundsMin());
     params.tileWidth = builder_params.kTileSize * builder_params.kCellSize;
     params.tileHeight = builder_params.kTileSize * builder_params.kCellSize;
+    #if 1
+    int tile_bits = rcMin((int)dtIlog2(
+                                       dtNextPow2(params.tileWidth*params.tileHeight*EXPECTED_LAYERS_PER_TILE)),
+                          14);
+    if (tile_bits > 14) {
+        tile_bits = 14;
+    }
+    int poly_bits = 22 - tile_bits;
+    params.maxTiles = 1 << tile_bits;
+    params.maxPolys = 1 << poly_bits;
+    #else
     params.maxTiles = builder_params.kMaxTiles;
     params.maxPolys = builder_params.kMaxPolysPerTile;
+    #endif
 }
 
 void NavMeshBuilder::BuildTiles(BuilderParams& builder_params)
diff --git a/server/gameserver/navmeshhelper.h b/server/gameserver/navmeshhelper.h
index f99cb14..6dd6a4b 100644
--- a/server/gameserver/navmeshhelper.h
+++ b/server/gameserver/navmeshhelper.h
@@ -269,8 +269,10 @@ struct BuilderParams
     const float kDetailSampleDist = 6;
     const float kDetailSampleMaxError = 1;
 
+    #if 0
     const int kMaxTiles = 0;
     const int kMaxPolysPerTile = 0;
+    #endif
 
     const bool kFilterLowHangingObstacles = false;
     const bool kFilterLedgeSpans = false;