From 71bd3ce49f1159251ec4339d098d93c2119729f0 Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Sat, 17 Sep 2016 16:42:40 +0100
Subject:  add load baked terrain methods

---
 OpenSim/Data/MySQL/MySQLSimulationData.cs   | 35 +++++++++++++++++++++++++++++
 OpenSim/Data/Null/NullSimulationData.cs     |  9 ++++++++
 OpenSim/Data/PGSQL/PGSQLSimulationData.cs   | 33 +++++++++++++++++++++++++++
 OpenSim/Data/SQLite/SQLiteSimulationData.cs | 28 +++++++++++++++++++++++
 4 files changed, 105 insertions(+)

(limited to 'OpenSim/Data')

diff --git a/OpenSim/Data/MySQL/MySQLSimulationData.cs b/OpenSim/Data/MySQL/MySQLSimulationData.cs
index 1a57199..ab24b76 100644
--- a/OpenSim/Data/MySQL/MySQLSimulationData.cs
+++ b/OpenSim/Data/MySQL/MySQLSimulationData.cs
@@ -733,6 +733,41 @@ namespace OpenSim.Data.MySQL
             return terrData;
         }
 
+        public TerrainData LoadBakedTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ)
+        {
+            TerrainData terrData = null;
+
+            lock (m_dbLock)
+            {
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+                {
+                    dbcon.Open();
+
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "select RegionUUID, Revision, Heightfield " +
+                            "from bakedterrain where RegionUUID = ?RegionUUID ";
+                        cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());
+
+                        using (IDataReader reader = ExecuteReader(cmd))
+                        {
+                            while (reader.Read())
+                            {
+                                int rev = Convert.ToInt32(reader["Revision"]);
+                                if ((reader["Heightfield"] != DBNull.Value))
+                                {
+                                    byte[] blob = (byte[])reader["Heightfield"];
+                                    terrData = TerrainData.CreateFromDatabaseBlobFactory(pSizeX, pSizeY, pSizeZ, rev, blob);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
+            return terrData;
+        }
+
         public virtual void RemoveLandObject(UUID globalID)
         {
             lock (m_dbLock)
diff --git a/OpenSim/Data/Null/NullSimulationData.cs b/OpenSim/Data/Null/NullSimulationData.cs
index 5ea8bfa..7bb6da3 100644
--- a/OpenSim/Data/Null/NullSimulationData.cs
+++ b/OpenSim/Data/Null/NullSimulationData.cs
@@ -175,6 +175,15 @@ namespace OpenSim.Data.Null
             return null;
         }
 
+        public TerrainData LoadBakedTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ)
+        {
+            if (m_bakedterrains.ContainsKey(regionID))
+            {
+                return m_bakedterrains[regionID];
+            }
+            return null;
+        }
+
         public void RemoveLandObject(UUID globalID)
         {
         }
diff --git a/OpenSim/Data/PGSQL/PGSQLSimulationData.cs b/OpenSim/Data/PGSQL/PGSQLSimulationData.cs
index e6161a2..902aae0 100755
--- a/OpenSim/Data/PGSQL/PGSQLSimulationData.cs
+++ b/OpenSim/Data/PGSQL/PGSQLSimulationData.cs
@@ -573,6 +573,39 @@ namespace OpenSim.Data.PGSQL
             return terrData;
         }
 
+        public TerrainData LoadBakedTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ)
+        {
+            TerrainData terrData = null;
+
+            string sql = @"select ""RegionUUID"", ""Revision"", ""Heightfield"" from bakedterrain 
+                            where ""RegionUUID"" = :RegionUUID; ";
+
+            using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString))
+            {
+                using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
+                {
+                    // PGSqlParameter param = new PGSqlParameter();
+                    cmd.Parameters.Add(_Database.CreateParameter("RegionUUID", regionID));
+                    conn.Open();
+                    using (NpgsqlDataReader reader = cmd.ExecuteReader())
+                    {
+                        int rev;
+                        if (reader.Read())
+                        {
+                            rev = Convert.ToInt32(reader["Revision"]);
+                            if ((reader["Heightfield"] != DBNull.Value))
+                            {
+                                byte[] blob = (byte[])reader["Heightfield"];
+                                terrData = TerrainData.CreateFromDatabaseBlobFactory(pSizeX, pSizeY, pSizeZ, rev, blob);
+                            }
+                        }
+                    }
+                }
+            }
+
+            return terrData;
+        }
+
         // Legacy entry point for when terrain was always a 256x256 heightmap
         public void StoreTerrain(double[,] terrain, UUID regionID)
         {
diff --git a/OpenSim/Data/SQLite/SQLiteSimulationData.cs b/OpenSim/Data/SQLite/SQLiteSimulationData.cs
index 76b367a..0d565f7 100644
--- a/OpenSim/Data/SQLite/SQLiteSimulationData.cs
+++ b/OpenSim/Data/SQLite/SQLiteSimulationData.cs
@@ -950,6 +950,34 @@ namespace OpenSim.Data.SQLite
             return terrData;
         }
 
+        public TerrainData LoadBakedTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ)
+        {
+            TerrainData terrData = null;
+
+            lock (ds)
+            {
+                String sql = "select RegionUUID, Revision, Heightfield from backedterrain" +
+                             " where RegionUUID=:RegionUUID";
+
+                using (SqliteCommand cmd = new SqliteCommand(sql, m_conn))
+                {
+                    cmd.Parameters.Add(new SqliteParameter(":RegionUUID", regionID.ToString()));
+
+                    using (IDataReader row = cmd.ExecuteReader())
+                    {
+                        int rev = 0;
+                        if (row.Read())
+                        {
+                            rev = Convert.ToInt32(row["Revision"]);
+                            byte[] blob = (byte[])row["Heightfield"];
+                            terrData = TerrainData.CreateFromDatabaseBlobFactory(pSizeX, pSizeY, pSizeZ, rev, blob);
+                        }
+                    }
+                }
+            }
+            return terrData;
+        }
+
         public void RemoveLandObject(UUID globalID)
         {
             lock (ds)
-- 
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