static void LoadNodesAndLeafs(BinaryReader br, Header header)
{
// Read nodes
br.BaseStream.Seek(header.lumps[5].fileofs, SeekOrigin.Begin);
int nNodes = header.lumps[5].filelen / 32;
if (header.lumps[5].filelen % 32 > 0)
{
Common.Instance.Error("LoadNodesAndLeafs: Weird node lumpsize");
}
world.nodes = new dnode_t[nNodes];
for (int i = 0; i < nNodes; i++)
{
dnode_t node = new dnode_t();
node.planenum = br.ReadInt32();
node.children = new int[] { br.ReadInt32(), br.ReadInt32() };
node.mins = SourceParser.SwapZY(new Vector3(br.ReadInt16(), br.ReadInt16(), br.ReadInt16())); // 3 For frustrum culling
node.maxs = SourceParser.SwapZY(new Vector3(br.ReadInt16(), br.ReadInt16(), br.ReadInt16())); // 3
node.firstface = br.ReadUInt16(); // index into face array
node.numfaces = br.ReadUInt16(); ; // counting both sides
node.area = br.ReadInt16(); ; // If all leaves below this node are in the same area, then
// this is the area index. If not, this is -1.
node.paddding = br.ReadInt16(); ; // pad to 32 bytes length
node.plane = world.planes[node.planenum];
world.nodes[i] = node;
}
// Determine size
int leafSize = 56;
if (header.version == 20 || header.version == 17)
{
if (header.lumps[10].filelen % 32 == 0)
leafSize = 32;
else
System.Console.WriteLine("Problem reading leafs..");
}
world.numLeafs = header.lumps[10].filelen / leafSize;
world.leafs = new dleaf_t[world.numLeafs];
br.BaseStream.Seek(header.lumps[10].fileofs, SeekOrigin.Begin);
for (int i = 0; i < world.numLeafs; i++)
{
//
dleaf_t leaf = new dleaf_t();
leaf.contents = br.ReadInt32();
leaf.cluster = br.ReadInt16();
if (leaf.cluster > world.numClusters)
world.numClusters = leaf.cluster + 1;
ushort packed = br.ReadUInt16();
leaf.area = (short)((ushort)(packed << 7) >> 7);
leaf.flags = (short)(packed >> 9);
if (packed > 0)
{
int test = 2;
}
leaf.mins = SourceParser.SwapZY(new Vector3(br.ReadInt16(), br.ReadInt16(), br.ReadInt16())); // 3 For frustrum culling
leaf.maxs = SourceParser.SwapZY(new Vector3(br.ReadInt16(), br.ReadInt16(), br.ReadInt16())); // 3
leaf.firstleafface = br.ReadUInt16();
leaf.numleaffaces = br.ReadUInt16();
leaf.firstleafbrush = br.ReadUInt16();
leaf.numleafbrushes = br.ReadUInt16();
leaf.leafWaterDataID = br.ReadInt16();
leaf.ambientLighting = new CompressedLightCube();
if (leafSize > 32)
{
leaf.ambientLighting.Color = new Vector3[6];
for (int j = 0; j < 6; j++)
{
RGBExp color = new RGBExp();
color.r = br.ReadByte();
color.g = br.ReadByte();
color.b = br.ReadByte();
color.exp = br.ReadSByte();
float r = SourceParser.TexLightToLinear((int)color.r, color.exp);
float g = SourceParser.TexLightToLinear((int)color.g, color.exp);
float b = SourceParser.TexLightToLinear((int)color.b, color.exp);
leaf.ambientLighting.Color[j] = new Vector3(r, g, b);
}
}
else
{
if (world.LightGrid != null && world.LightGrid.Length > i)
leaf.ambientLighting = world.LightGrid[i];
}
leaf.padding = br.ReadInt16();
leaf.staticProps = new List<SourceProp>();
world.leafs[i] = leaf;
}
}
static void LoadLightGrids(BinaryReader br, Header header)
{
// HDR Ambient light may be in lump for itself
if (header.lumps[55].filelen > 0)
{
int nHDRAmbient = header.lumps[55].filelen / 24;
CompressedLightCube[] HDRCubes = new CompressedLightCube[nHDRAmbient];
br.BaseStream.Seek(header.lumps[55].fileofs, SeekOrigin.Begin);
for (int i = 0; i < nHDRAmbient; i++)
{
CompressedLightCube cube = new CompressedLightCube();
cube.Color = new Vector3[6];
for (int j = 0; j < 6; j++)
{
RGBExp color = new RGBExp();
color.r = br.ReadByte();
color.g = br.ReadByte();
color.b = br.ReadByte();
color.exp = br.ReadSByte();
float r = TexLightToLinear((int)color.r, color.exp) * 255;
float g = TexLightToLinear((int)color.g, color.exp) * 255;
float b = TexLightToLinear((int)color.b, color.exp) * 255;
float exp = 128 + (int)color.exp;
cube.Color[j] = new Vector3(r, g, b);
}
HDRCubes[i] = cube;
}
world.LightGrid = HDRCubes;
}
// LDR Ambient light may be in lump for itself
else if (header.lumps[56].filelen > 0)
{
int nLDRAmbient = header.lumps[56].filelen / 24;
CompressedLightCube[] LDRCubes = new CompressedLightCube[nLDRAmbient];
br.BaseStream.Seek(header.lumps[56].fileofs, SeekOrigin.Begin);
for (int i = 0; i < nLDRAmbient; i++)
{
CompressedLightCube cube = new CompressedLightCube();
cube.Color = new Vector3[6];
for (int j = 0; j < 6; j++)
{
RGBExp color = new RGBExp();
color.r = br.ReadByte();
color.g = br.ReadByte();
color.b = br.ReadByte();
color.exp = br.ReadSByte();
float r = TexLightToLinear((int)color.r, color.exp) * 255;
float g = TexLightToLinear((int)color.g, color.exp) * 255;
float b = TexLightToLinear((int)color.b, color.exp) * 255;
float exp = 128 + (int)color.exp;
cube.Color[j] = new Vector3(r, g, b);
}
LDRCubes[i] = cube;
}
world.LightGrid = LDRCubes;
}
}
static void LoadLightmaps(BinaryReader br, Header header)
{
// Read Lightmaps
br.BaseStream.Seek(header.lumps[8].fileofs, SeekOrigin.Begin);
int nLightmaps = header.lumps[8].filelen / 4;
Color3[] Lightmap = new Color3[nLightmaps];
RGBExp[] LightmapColors = new RGBExp[nLightmaps];
for (int i = 0; i < nLightmaps; i++)
{
LightmapColors[i] = new RGBExp();
LightmapColors[i].r = br.ReadByte();
LightmapColors[i].g = br.ReadByte();
LightmapColors[i].b = br.ReadByte();
LightmapColors[i].exp = br.ReadSByte() ;
float r = TexLightToLinear((int)LightmapColors[i].r, LightmapColors[i].exp);
float g = TexLightToLinear((int)LightmapColors[i].g, LightmapColors[i].exp);
float b = TexLightToLinear((int)LightmapColors[i].b, LightmapColors[i].exp);
float exp = 128 + (int)LightmapColors[i].exp;
Lightmap[i] = new Color3(r, g, b);
}
world.LightData = Lightmap;
}
void ReadLeafs(Header header, BinaryReader br)
{
// Determine size
int leafSize = 56;
if (header.version == 20 || header.version == 17)
{
if (header.lumps[10].filelen % 32 == 0)
leafSize = 32;
else
System.Console.WriteLine("Problem reading leafs..");
}
numLeafs = header.lumps[10].filelen / leafSize;
leafs = new dleaf_t[numLeafs];
for (int i = 0; i < numLeafs; i++)
{
br.BaseStream.Seek(header.lumps[10].fileofs + (i * leafSize), SeekOrigin.Begin);
dleaf_t leaf = new dleaf_t();
leaf.contents = br.ReadInt32();
leaf.cluster = br.ReadInt16();
if (leaf.cluster > numClusters)
numClusters = leaf.cluster + 1;
leaf.area = 0;//br.ReadInt16();
leaf.flags = br.ReadInt16();
leaf.mins = SourceParser.SwapZY(new Vector3(br.ReadInt16(), br.ReadInt16(), br.ReadInt16())); // 3 For frustrum culling
leaf.maxs = SourceParser.SwapZY(new Vector3(br.ReadInt16(), br.ReadInt16(), br.ReadInt16())); // 3
leaf.firstleafface = br.ReadUInt16();
leaf.numleaffaces = br.ReadUInt16();
leaf.firstleafbrush = br.ReadUInt16();
leaf.numleafbrushes = br.ReadUInt16();
leaf.leafWaterDataID = br.ReadInt16();
leaf.ambientLighting = new CompressedLightCube();
if (leafSize > 32)
{
leaf.ambientLighting.Color = new Vector3[6];
for (int j = 0; j < 6; j++)
{
RGBExp color = new RGBExp();
color.r = br.ReadByte();
color.g = br.ReadByte();
color.b = br.ReadByte();
color.exp = br.ReadSByte();
float r = SourceParser.TexLightToLinear((int)color.r, color.exp ) * 255;
float g = SourceParser.TexLightToLinear((int)color.g, color.exp ) * 255;
float b = SourceParser.TexLightToLinear((int)color.b, color.exp ) * 255;
leaf.ambientLighting.Color[j] = new Vector3(r, g, b);
}
}
//else if (map.HDRCubes != null && i < map.HDRCubes.Length)
//{
// leaf.ambientLighting = map.HDRCubes[i];
//}
//else if (map.LDRCubes != null && i < map.LDRCubes.Length)
//{
// leaf.ambientLighting = map.LDRCubes[i];
//}
//else
//{
// System.Console.WriteLine("No ambient cube for this leaf :(");
//}
leaf.padding = 0;//br.ReadInt16();
leaf.staticProps = new List<SourceProp>();
leafs[i] = leaf;
}
numAreas = 0;
}
