mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-11-23 12:22:35 +00:00
327 lines
9.3 KiB
C#
Executable file
327 lines
9.3 KiB
C#
Executable file
#region ================== Namespaces
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Drawing;
|
|
using System.Drawing.Imaging;
|
|
using System.IO;
|
|
using System.Runtime.InteropServices;
|
|
using System.Text;
|
|
using CodeImp.DoomBuilder.Rendering;
|
|
using CodeImp.DoomBuilder.Windows;
|
|
|
|
#endregion
|
|
|
|
namespace CodeImp.DoomBuilder.Data
|
|
{
|
|
public sealed class VoxelImage : ImageData, ISpriteImage
|
|
{
|
|
#region ================== Variables
|
|
|
|
private int offsetx;
|
|
private int offsety;
|
|
private readonly string voxelname;
|
|
private bool overridepalette;
|
|
private int angleoffset;
|
|
|
|
#endregion
|
|
|
|
#region ================== Properties
|
|
|
|
public int OffsetX { get { return offsetx; } }
|
|
public int OffsetY { get { return offsety; } }
|
|
public string VoxelName { get { return voxelname; } }
|
|
public bool OverridePalette { get { return overridepalette; } internal set { overridepalette = value; } }
|
|
public int AngleOffset { get { return angleoffset; } internal set { angleoffset = value; } }
|
|
|
|
#endregion
|
|
|
|
#region ================== Constructor / Disposer
|
|
|
|
// Constructor
|
|
internal VoxelImage(string name, string voxelname)
|
|
{
|
|
// Initialize
|
|
SetName(name);
|
|
this.voxelname = voxelname;
|
|
|
|
// We have no destructor
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Methods
|
|
|
|
override public void LoadImage()
|
|
{
|
|
// Do the loading
|
|
LocalLoadImage();
|
|
|
|
// Notify the main thread about the change to redraw display
|
|
IntPtr strptr = Marshal.StringToCoTaskMemAuto(this.Name);
|
|
General.SendMessage(General.MainWindow.Handle, (int)MainForm.ThreadMessages.SpriteDataLoaded, strptr, IntPtr.Zero);
|
|
}
|
|
|
|
// This loads the image
|
|
protected unsafe override void LocalLoadImage()
|
|
{
|
|
// Leave when already loaded
|
|
if(this.IsImageLoaded) return;
|
|
|
|
lock(this)
|
|
{
|
|
// Get the lump data stream
|
|
string voxellocation = string.Empty; //mxd
|
|
Stream lumpdata = General.Map.Data.GetVoxelData(voxelname, ref voxellocation);
|
|
if(lumpdata != null)
|
|
{
|
|
// Copy lump data to memory
|
|
lumpdata.Seek(0, SeekOrigin.Begin);
|
|
byte[] membytes = new byte[(int)lumpdata.Length];
|
|
lumpdata.Read(membytes, 0, (int)lumpdata.Length);
|
|
|
|
using(MemoryStream mem = new MemoryStream(membytes))
|
|
{
|
|
mem.Seek(0, SeekOrigin.Begin);
|
|
PixelColor[] palette = new PixelColor[256];
|
|
|
|
// Create front projection image from the KVX
|
|
using(BinaryReader reader = new BinaryReader(mem, Encoding.ASCII))
|
|
{
|
|
reader.ReadInt32(); //numbytes, we don't use that
|
|
int xsize = reader.ReadInt32();
|
|
int ysize = reader.ReadInt32();
|
|
int zsize = reader.ReadInt32();
|
|
|
|
// Sanity check
|
|
if(xsize == 0 || ysize == 0 || zsize == 0)
|
|
{
|
|
General.ErrorLogger.Add(ErrorType.Error, "Cannot create sprite image for voxel \"" + Path.Combine(voxellocation, voxelname)
|
|
+ "\" for voxel drawing: voxel has invalid size (width: " + xsize + ", height: " + zsize + ", depth: " + ysize);
|
|
loadfailed = true;
|
|
return;
|
|
}
|
|
|
|
int pivotx = (int)Math.Round(reader.ReadInt32() / 256f);
|
|
int pivoty = (int)Math.Round(reader.ReadInt32() / 256f);
|
|
int pivotz = (int)Math.Round(reader.ReadInt32() / 256f);
|
|
|
|
// Read offsets
|
|
int[] xoffset = new int[xsize + 1]; // why is it xsize + 1, not xsize?..
|
|
short[,] xyoffset = new short[xsize, ysize + 1]; // why is it ysize + 1, not ysize?..
|
|
|
|
for(int i = 0; i < xoffset.Length; i++)
|
|
{
|
|
xoffset[i] = reader.ReadInt32();
|
|
}
|
|
|
|
for(int x = 0; x < xsize; x++)
|
|
{
|
|
for(int y = 0; y < ysize + 1; y++)
|
|
{
|
|
xyoffset[x, y] = reader.ReadInt16();
|
|
}
|
|
}
|
|
|
|
// Read slabs
|
|
List<int> offsets = new List<int>(xsize * ysize);
|
|
for(int x = 0; x < xsize; x++)
|
|
{
|
|
for(int y = 0; y < ysize; y++)
|
|
{
|
|
offsets.Add(xoffset[x] + xyoffset[x, y] + 28); // for some reason offsets are counted from start of xoffset[]...
|
|
}
|
|
}
|
|
|
|
int counter = 0;
|
|
int slabsend = (int)(reader.BaseStream.Length - 768);
|
|
|
|
// Read palette
|
|
if(!overridepalette)
|
|
{
|
|
reader.BaseStream.Position = slabsend;
|
|
for(int i = 0; i < 256; i++)
|
|
{
|
|
byte r = (byte)(reader.ReadByte() * 4);
|
|
byte g = (byte)(reader.ReadByte() * 4);
|
|
byte b = (byte)(reader.ReadByte() * 4);
|
|
palette[i] = new PixelColor(255, r, g, b);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(int i = 0; i < 256; i++) palette[i] = General.Map.Data.Palette[i];
|
|
}
|
|
|
|
// Populate projection pixels array
|
|
int imgwidth, imgheight, imgoffsetx;
|
|
bool checkalpha = false;
|
|
|
|
// Convert angleoffsets to the nearest cardinal direction...
|
|
angleoffset = General.ClampAngle((angleoffset + 45) / 90 * 90);
|
|
|
|
switch(angleoffset)
|
|
{
|
|
case 0:
|
|
imgwidth = xsize;
|
|
imgheight = zsize;
|
|
imgoffsetx = pivotx;
|
|
break;
|
|
|
|
case 90:
|
|
imgwidth = ysize;
|
|
imgheight = zsize;
|
|
imgoffsetx = imgwidth - pivoty;
|
|
checkalpha = true;
|
|
break;
|
|
|
|
case 180:
|
|
imgwidth = xsize;
|
|
imgheight = zsize;
|
|
imgoffsetx = imgwidth - pivotx;
|
|
checkalpha = true;
|
|
break;
|
|
|
|
case 270:
|
|
imgwidth = ysize;
|
|
imgheight = zsize;
|
|
imgoffsetx = pivoty;
|
|
break;
|
|
|
|
default: throw new InvalidDataException("Invalid AngleOffset");
|
|
}
|
|
|
|
int numpixels = imgwidth * imgheight;
|
|
PixelColor[] pixelsarr = new PixelColor[numpixels];
|
|
|
|
// Read pixel colors
|
|
for(int x = 0; x < xsize; x++)
|
|
{
|
|
for(int y = 0; y < ysize; y++)
|
|
{
|
|
reader.BaseStream.Position = offsets[counter];
|
|
int next = (counter < offsets.Count - 1 ? offsets[counter + 1] : slabsend);
|
|
|
|
// Read first color from the slab
|
|
while(reader.BaseStream.Position < next)
|
|
{
|
|
int ztop = reader.ReadByte();
|
|
int zleng = reader.ReadByte();
|
|
if(ztop + zleng > zsize) break;
|
|
byte flags = reader.ReadByte();
|
|
|
|
if(zleng > 0)
|
|
{
|
|
// Skip slab if no flags are given (otherwise some garbage pixels may be drawn)
|
|
if(flags == 0)
|
|
{
|
|
reader.BaseStream.Position += zleng;
|
|
continue;
|
|
}
|
|
|
|
List<int> colorindices = new List<int>(zleng);
|
|
for(int i = 0; i < zleng; i++)
|
|
{
|
|
colorindices.Add(reader.ReadByte());
|
|
}
|
|
|
|
int z = ztop;
|
|
int cstart = 0;
|
|
while(z < ztop + zleng)
|
|
{
|
|
// Get pixel position
|
|
int pixelpos;
|
|
switch(angleoffset)
|
|
{
|
|
case 0: pixelpos = x + z * xsize; break;
|
|
case 90: pixelpos = y + z * ysize; break;
|
|
case 180: pixelpos = xsize - x - 1 + z * xsize; break;
|
|
case 270: pixelpos = ysize - y - 1 + z * ysize; break;
|
|
default: throw new InvalidDataException("Invalid AngleOffset");
|
|
}
|
|
|
|
// Add to projection pixels array
|
|
if((checkalpha && pixelsarr[pixelpos].a == 0) || !checkalpha)
|
|
pixelsarr[pixelpos] = palette[colorindices[cstart]];
|
|
|
|
// Increment counters
|
|
cstart++;
|
|
z++;
|
|
}
|
|
}
|
|
}
|
|
|
|
counter++;
|
|
}
|
|
}
|
|
|
|
// Draw to bitmap
|
|
if(bitmap != null) bitmap.Dispose();
|
|
bitmap = new Bitmap(imgwidth, imgheight, PixelFormat.Format32bppArgb);
|
|
BitmapData bmpdata = null;
|
|
|
|
try
|
|
{
|
|
bmpdata = bitmap.LockBits(new Rectangle(0, 0, imgwidth, imgheight), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
|
|
}
|
|
catch(Exception e)
|
|
{
|
|
General.ErrorLogger.Add(ErrorType.Error, "Cannot lock image for drawing voxel \""
|
|
+ Path.Combine(voxellocation, voxelname) + "\". " + e.GetType().Name + ": " + e.Message);
|
|
bitmap = null;
|
|
}
|
|
|
|
if(bmpdata != null)
|
|
{
|
|
// Apply pixels to image
|
|
PixelColor* pixels = (PixelColor*)bmpdata.Scan0.ToPointer();
|
|
int i = 0;
|
|
|
|
for(PixelColor* cp = pixels; cp < pixels + numpixels; cp++, i++)
|
|
{
|
|
if(pixelsarr[i].a == 255)
|
|
{
|
|
cp->r = pixelsarr[i].r;
|
|
cp->g = pixelsarr[i].g;
|
|
cp->b = pixelsarr[i].b;
|
|
cp->a = 255;
|
|
}
|
|
}
|
|
|
|
bitmap.UnlockBits(bmpdata);
|
|
}
|
|
|
|
if(bitmap != null)
|
|
{
|
|
// Get width and height from image
|
|
width = bitmap.Size.Width;
|
|
height = bitmap.Size.Height;
|
|
scale.x = 1.0f;
|
|
scale.y = 1.0f;
|
|
offsetx = imgoffsetx;
|
|
offsety = pivotz;
|
|
}
|
|
else
|
|
{
|
|
loadfailed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
lumpdata.Dispose();
|
|
}
|
|
else
|
|
{
|
|
// Missing voxel lump!
|
|
General.ErrorLogger.Add(ErrorType.Error, "Missing voxel lump \"" + voxelname + "\". Forgot to include required resources?");
|
|
}
|
|
|
|
// Pass on to base
|
|
base.LocalLoadImage();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|