From a5e3439cf0307a283fe547033dcaccb04ef14ff2 Mon Sep 17 00:00:00 2001
From: mingchen
Date: Thu, 3 Jul 2008 22:16:09 +0000
Subject: *.Raw files should now be loadable using "terrain load-tile"
functionality
---
.../Modules/World/Terrain/FileLoaders/LLRAW.cs | 63 +++++++++++++++++++++-
1 file changed, 61 insertions(+), 2 deletions(-)
(limited to 'OpenSim')
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
index d8d0648..21fba2b 100644
--- a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
@@ -80,9 +80,68 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
return retval;
}
- public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
+ public ITerrainChannel LoadFile(string filename, int offsetX, int offsetY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight)
{
- throw new NotImplementedException();
+ TerrainChannel retval = new TerrainChannel(sectionWidth, sectionHeight);
+
+ FileInfo file = new FileInfo(filename);
+ FileStream s = file.Open(FileMode.Open, FileAccess.Read);
+ BinaryReader bs = new BinaryReader(s);
+
+ int currFileYOffset = 0;
+
+ // if our region isn't on the first Y section of the areas to be landscaped, then
+ // advance to our section of the file
+ while (currFileYOffset < offsetY)
+ {
+ // read a whole strip of regions
+ int heightsToRead = sectionHeight * (fileWidth * sectionWidth);
+ bs.ReadBytes(heightsToRead * 13); // because there are 13 fun channels
+ currFileYOffset++;
+ }
+
+ // got to the Y start offset within the file of our region
+ // so read the file bits associated with our region
+ int y;
+ // for each Y within our Y offset
+ for (y = 0; y < sectionHeight; y++)
+ {
+ int currFileXOffset = 0;
+
+ // if our region isn't the first X section of the areas to be landscaped, then
+ // advance the stream to the X start pos of our section in the file
+ // i.e. eat X upto where we start
+ while (currFileXOffset < offsetX)
+ {
+ bs.ReadBytes(sectionWidth * 13);
+ currFileXOffset++;
+ }
+
+ // got to our X offset, so write our regions X line
+ int x;
+ for (x = 0; x < sectionWidth; x++)
+ {
+ // Read a strip and continue
+ retval[x, y] = bs.ReadByte() * (bs.ReadByte() / 128.0);
+ bs.ReadBytes(11);
+ }
+ // record that we wrote it
+ currFileXOffset++;
+
+ // if our region isn't the last X section of the areas to be landscaped, then
+ // advance the stream to the end of this Y column
+ while (currFileXOffset < fileWidth)
+ {
+ // eat the next regions x line
+ bs.ReadBytes(sectionWidth * 13); //The 13 channels again
+ currFileXOffset++;
+ }
+ }
+
+ bs.Close();
+ s.Close();
+
+ return retval;
}
public ITerrainChannel LoadStream(Stream s)
--
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