private void LoadLevelFaces(Quake3Level q3lvl)
{
//-----------------------------------------------------------------------
// Faces
//-----------------------------------------------------------------------
leafFaceGroups = new int[q3lvl.LeafFaces.Length];
Array.Copy(q3lvl.LeafFaces, 0, leafFaceGroups, 0, leafFaceGroups.Length);
faceGroups = new BspStaticFaceGroup[q3lvl.Faces.Length];
// Set up index buffer
// NB Quake3 indexes are 32-bit
// Copy the indexes into a software area for staging
numIndexes = q3lvl.NumElements + patchIndexCount;
// Create an index buffer manually in system memory, allow space for patches
indexes = HardwareBufferManager.Instance.CreateIndexBuffer(
IndexType.Size32,
numIndexes,
BufferUsage.Dynamic
);
// Write main indexes
indexes.WriteData(0, Marshal.SizeOf(typeof(uint)) * q3lvl.NumElements, q3lvl.Elements, true);
}
private void CreateLeaves(Quake3Level q3lvl)
{
for (int i = 0; i < q3lvl.NumLeaves; ++i)
{
BspNode node = nodes[i + this.LeafStart];
InternalBspLeaf q3leaf = q3lvl.Leaves[i];
node.IsLeaf = true;
node.Owner = this;
// Set bounding box
node.BoundingBox.Minimum = new Vector3(
q3leaf.bbox[0],
q3leaf.bbox[1],
q3leaf.bbox[2]
);
node.BoundingBox.Maximum = new Vector3(
q3leaf.bbox[3],
q3leaf.bbox[4],
q3leaf.bbox[5]
);
// Set faces
node.FaceGroupStart = q3leaf.faceStart;
node.NumFaceGroups = q3leaf.faceCount;
node.VisCluster = q3leaf.cluster;
// Load Brushes for this leaf
int realBrushIdx = 0, solidIdx = 0;
int brushCount = q3leaf.brushCount;
int brushIdx = q3leaf.brushStart;
node.SolidBrushes = new BspBrush[brushCount];
while (brushCount-- > 0)
{
realBrushIdx = q3lvl.LeafBrushes[brushIdx];
InternalBspBrush q3brush = q3lvl.Brushes[realBrushIdx];
// Only load solid ones, we don't care about any other types
// Shader determines this.
InternalBspShader brushShader = q3lvl.Shaders[q3brush.shaderIndex];
if ((brushShader.contentFlags & ContentFlags.Solid) == ContentFlags.Solid)
{
node.SolidBrushes[solidIdx] = brushes[realBrushIdx];
}
brushIdx++;
solidIdx++;
}
}
}
public void InitQuake3Patches(Quake3Level q3lvl, VertexDeclaration decl)
{
int face;
patchVertexCount = 0;
patchIndexCount = 0;
// We're just building the patch here to get a hold on the size of the mesh
// although we'll reuse this information later
face = q3lvl.NumFaces;
while (face-- > 0)
{
InternalBspFace src = q3lvl.Faces[face];
if (src.type == BspFaceType.Patch)
{
// Seems to be some crap in the Q3 level where vertex count = 0 or num control points = 0?
if ((src.vertCount == 0) || (src.meshCtrl[0] == 0))
{
continue;
}
PatchSurface ps = new PatchSurface();
// Set up control points & format.
// Reuse the vertex declaration.
// Copy control points into a buffer so we can convert their format.
BspVertex[] controlPoints = new BspVertex[src.vertCount];
TextureLightMap texLightMap;
for (int v = 0; v < src.vertCount; v++)
{
QuakeVertexToBspVertex(q3lvl.Vertices[src.vertStart + v], out controlPoints[v], out texLightMap);
}
// Define the surface, but don't build it yet (no vertex / index buffer)
ps.DefineSurface(
controlPoints,
decl,
src.meshCtrl[0],
src.meshCtrl[1]
);
// Get stats
patchVertexCount += ps.RequiredVertexCount;
patchIndexCount += ps.RequiredIndexCount;
// Save the surface for later
patches.Add(face, ps);
}
}
}
/// <summary>
/// Generic load - called by <see cref="Plugin_BSPSceneManager.BspResourceManager"/>.
/// </summary>
public override void Load()
{
Hashtable options = SceneManagerEnumerator.Instance.GetSceneManager(SceneType.Interior).Options;
if (options.ContainsKey("SetYAxisUp"))
{
bspOptions.setYAxisUp = (bool)options["SetYAxisUp"];
}
if (options.ContainsKey("Scale"))
{
bspOptions.scale = (float)options["Scale"];
}
if (options.ContainsKey("Move"))
{
bspOptions.move = (Vector3)options["Move"];
}
if (options.ContainsKey("UseLightmaps"))
{
bspOptions.useLightmaps = (bool)options["UseLightmaps"];
}
if (options.ContainsKey("AmbientEnabled"))
{
bspOptions.ambientEnabled = (bool)options["AmbientEnabled"];
}
if (options.ContainsKey("AmbientRatio"))
{
bspOptions.ambientRatio = (float)options["AmbientRatio"];
}
Quake3Level q3 = new Quake3Level(bspOptions);
Stream chunk = BspResourceManager.Instance.FindResourceData(name);
q3.LoadFromStream(chunk);
LoadQuake3Level(q3);
chunk.Close();
isLoaded = true;
}
/// <summary>
/// /** Internal utility function for loading data from Quake3.
/// </summary>
protected void LoadQuake3Level(Quake3Level q3lvl)
{
SceneManager sm = SceneManagerEnumerator.Instance.GetSceneManager(SceneType.Interior);
LoadEntities(q3lvl);
Quake3ShaderManager.Instance.ParseAllSources(".shader");
q3lvl.ExtractLightmaps();
LoadLevelVertices(q3lvl);
LoadLevelFaces(q3lvl);
// now build patch information
BuildQuake3Patches(q3lvl.NumVertices, q3lvl.NumElements);
//-----------------------------------------------------------------------
// Create materials for shaders
//-----------------------------------------------------------------------
CreateShaderMaterials(q3lvl, sm);
//-----------------------------------------------------------------------
// Nodes
//-----------------------------------------------------------------------
CreateNodes(q3lvl);
//-----------------------------------------------------------------------
// Brushes
//-----------------------------------------------------------------------
CreateBrushes(q3lvl);
//-----------------------------------------------------------------------
// Leaves
//-----------------------------------------------------------------------
CreateLeaves(q3lvl);
// Vis - just copy
visData.numClusters = q3lvl.VisData.clusterCount;
visData.rowLength = q3lvl.VisData.rowSize;
visData.tableData = new byte[q3lvl.VisData.rowSize * q3lvl.VisData.clusterCount];
Array.Copy(q3lvl.VisData.data, 0, visData.tableData, 0, visData.tableData.Length);
}
private void CreateBrushes(Quake3Level q3lvl)
{
// Reserve enough memory for all brushes, solid or not (need to maintain indexes)
brushes = new BspBrush[q3lvl.NumBrushes];
for (int i = 0; i < q3lvl.NumBrushes; i++)
{
InternalBspBrush q3brush = q3lvl.Brushes[i];
// Create a new OGRE brush
BspBrush brush = new BspBrush();
int numBrushSides = q3brush.numSides;
int brushSideIdx = q3brush.firstSide;
// Iterate over the sides and create plane for each
while (numBrushSides-- > 0)
{
InternalBspPlane side = q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum];
// Notice how we normally invert Q3A plane distances, but here we do not
// Because we want plane normals pointing out of solid brushes, not in.
Plane brushSide = new Plane(
new Vector3(
q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].normal[0],
q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].normal[1],
q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].normal[2]
), q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].distance);
brush.Planes.Add(brushSide);
brushSideIdx++;
}
// Build world fragment
brush.Fragment.FragmentType = WorldFragmentType.PlaneBoundedRegion;
brush.Fragment.Planes = brush.Planes;
brushes[i] = brush;
}
}
private BspStaticFaceGroup CopyShaderFaceData(Quake3Level q3lvl, int face, Material shadMat, int shadIdx)
{
BspStaticFaceGroup dest = new BspStaticFaceGroup();
InternalBspFace src = q3lvl.Faces[face];
if((q3lvl.Shaders[src.shader].surfaceFlags & SurfaceFlags.Sky) == SurfaceFlags.Sky)
dest.isSky = true;
else
dest.isSky = false;
dest.materialHandle = shadMat.Handle;
dest.elementStart = src.elemStart;
dest.numElements = src.elemCount;
dest.numVertices = src.vertCount;
dest.vertexStart = src.vertStart;
dest.plane = new Plane();
if (Quake3ShaderManager.Instance.GetByName(q3lvl.Shaders[shadIdx].name) != null)
{
// it's a quake shader
dest.isQuakeShader = true;
}
if(src.type == BspFaceType.Normal)
{
dest.type = FaceGroup.FaceList;
// Assign plane
dest.plane.Normal = new Vector3(
src.normal[0],
src.normal[1],
src.normal[2]
);
dest.plane.D = -dest.plane.Normal.Dot(
new Vector3(
src.org[0],
src.org[1],
src.org[2]
)
);
// Don't rebase indexes here - Quake3 re-uses some indexes for multiple vertex
// groups eg repeating small details have the same relative vertex data but
// use the same index data.
}
else if(src.type == BspFaceType.Patch)
{
// Seems to be some crap in the Q3 level where vertex count = 0 or num control points = 0?
if((dest.numVertices == 0) || (src.meshCtrl[0] == 0))
{
dest.type = FaceGroup.Unknown;
}
else
{
// Set up patch surface
dest.type = FaceGroup.Patch;
// Locate the patch we already built
if(!patches.ContainsKey(face))
throw new AxiomException("Patch not found from previous built state.");
dest.patchSurf = (PatchSurface) patches[face];
}
}
else if(src.type == BspFaceType.Mesh)
{
dest.type = FaceGroup.FaceList;
// Assign plane
dest.plane.Normal = new Vector3(src.normal[0], src.normal[1], src.normal[2]);
dest.plane.D = -dest.plane.Normal.Dot(new Vector3(src.org[0], src.org[1], src.org[2]));
}
else
{
LogManager.Instance.Write("!!! Unknown face type !!!");
}
return dest;
}
/// <summary>
/// /** Internal utility function for loading data from Quake3.
/// </summary>
protected void LoadQuake3Level(Quake3Level q3lvl)
{
SceneManager sm = SceneManagerEnumerator.Instance.GetSceneManager(SceneType.Interior);
LoadEntities(q3lvl);
Quake3ShaderManager.Instance.ParseAllSources(".shader");
q3lvl.ExtractLightmaps();
LoadLevelVertices(q3lvl);
LoadLevelFaces(q3lvl);
// now build patch information
BuildQuake3Patches(q3lvl.NumVertices, q3lvl.NumElements);
//-----------------------------------------------------------------------
// Create materials for shaders
//-----------------------------------------------------------------------
CreateShaderMaterials(q3lvl, sm);
//-----------------------------------------------------------------------
// Nodes
//-----------------------------------------------------------------------
CreateNodes(q3lvl);
//-----------------------------------------------------------------------
// Brushes
//-----------------------------------------------------------------------
CreateBrushes(q3lvl);
//-----------------------------------------------------------------------
// Leaves
//-----------------------------------------------------------------------
CreateLeaves(q3lvl);
// Vis - just copy
visData.numClusters = q3lvl.VisData.clusterCount;
visData.rowLength = q3lvl.VisData.rowSize;
visData.tableData = new byte[q3lvl.VisData.rowSize * q3lvl.VisData.clusterCount];
Array.Copy(q3lvl.VisData.data, 0, visData.tableData, 0, visData.tableData.Length);
}
/// <summary>
/// Internal method for parsing chosen entities.
/// </summary>
protected void LoadEntities(Quake3Level q3lvl)
{
Vector3 origin = new Vector3();
float angle = 0;
bool isPlayerStart = false;
string[] entities = q3lvl.Entities.Split('\n');
for(int i = 0; i < entities.Length; i++)
{
// Remove whitespace and quotes.
entities[i] = entities[i].Trim().Replace("\"", "");
if(entities[i].Length == 0)
continue;
string[] paramList = entities[i].Split(' ');
if(paramList[0] == "origin")
{
float[] vector = new float[3];
for (int v = 0; v < 3; v++)
vector[v] = StringConverter.ParseFloat(paramList[v + 1]);
q3lvl.TransformVector(vector);
origin = new Vector3(vector[0], vector[1], vector[2]);
}
if(paramList[0] == "angle")
angle = StringConverter.ParseFloat(paramList[1]);
if((paramList[0] == "classname") && (paramList[1] == "info_player_deathmatch"))
isPlayerStart = true;
if(paramList[0] == "}")
{
if(isPlayerStart)
{
ViewPoint vp = new ViewPoint();
vp.position = origin;
if (q3lvl.Options.setYAxisUp)
vp.orientation = Quaternion.FromAngleAxis(MathUtil.DegreesToRadians(angle), Vector3.UnitY);
else
vp.orientation = Quaternion.FromAngleAxis(MathUtil.DegreesToRadians(angle), Vector3.UnitZ);
playerStarts.Add(vp);
}
isPlayerStart = false;
}
}
}
/// <summary>
/// Generic load - called by <see cref="Plugin_BSPSceneManager.BspResourceManager"/>.
/// </summary>
public override void Load()
{
Hashtable options = SceneManagerEnumerator.Instance.GetSceneManager(SceneType.Interior).Options;
if (options.ContainsKey("SetYAxisUp"))
bspOptions.setYAxisUp = (bool)options["SetYAxisUp"];
if (options.ContainsKey("Scale"))
bspOptions.scale = (float)options["Scale"];
if (options.ContainsKey("Move"))
bspOptions.move = (Vector3)options["Move"];
if (options.ContainsKey("UseLightmaps"))
bspOptions.useLightmaps = (bool)options["UseLightmaps"];
if (options.ContainsKey("AmbientEnabled"))
bspOptions.ambientEnabled = (bool)options["AmbientEnabled"];
if (options.ContainsKey("AmbientRatio"))
bspOptions.ambientRatio = (float)options["AmbientRatio"];
Quake3Level q3 = new Quake3Level(bspOptions);
Stream chunk = BspResourceManager.Instance.FindResourceData(name);
q3.LoadFromStream(chunk);
LoadQuake3Level(q3);
chunk.Close();
isLoaded = true;
}
public void InitQuake3Patches(Quake3Level q3lvl, VertexDeclaration decl)
{
int face;
patchVertexCount = 0;
patchIndexCount = 0;
// We're just building the patch here to get a hold on the size of the mesh
// although we'll reuse this information later
face = q3lvl.NumFaces;
while(face-- > 0)
{
InternalBspFace src = q3lvl.Faces[face];
if(src.type == BspFaceType.Patch)
{
// Seems to be some crap in the Q3 level where vertex count = 0 or num control points = 0?
if((src.vertCount == 0) || (src.meshCtrl[0] == 0))
continue;
PatchSurface ps = new PatchSurface();
// Set up control points & format.
// Reuse the vertex declaration.
// Copy control points into a buffer so we can convert their format.
BspVertex[] controlPoints = new BspVertex[src.vertCount];
TextureLightMap texLightMap;
for(int v = 0; v < src.vertCount; v++)
QuakeVertexToBspVertex(q3lvl.Vertices[src.vertStart + v], out controlPoints[v], out texLightMap);
// Define the surface, but don't build it yet (no vertex / index buffer)
ps.DefineSurface(
controlPoints,
decl,
src.meshCtrl[0],
src.meshCtrl[1]
);
// Get stats
patchVertexCount += ps.RequiredVertexCount;
patchIndexCount += ps.RequiredIndexCount;
// Save the surface for later
patches.Add(face, ps);
}
}
}
/// <summary>
/// /** Internal utility function for loading data from Quake3.
/// </summary>
protected void LoadQuake3Level( Quake3Level q3lvl )
{
ResourceGroupManager rgm = ResourceGroupManager.Instance;
rgm.notifyWorldGeometryStageStarted( "Parsing entities" );
LoadEntities( q3lvl );
rgm.notifyWorldGeometryStageEnded();
rgm.notifyWorldGeometryStageStarted( "Extracting lightmaps" );
q3lvl.ExtractLightmaps();
rgm.notifyWorldGeometryStageEnded();
//-----------------------------------------------------------------------
// Vertices
//-----------------------------------------------------------------------
// Allocate memory for vertices & copy
vertexData = new VertexData();
// Create vertex declaration
VertexDeclaration decl = vertexData.vertexDeclaration;
int offset = 0;
int lightTexOffset = 0;
decl.AddElement( 0, offset, VertexElementType.Float3, VertexElementSemantic.Position );
offset += VertexElement.GetTypeSize( VertexElementType.Float3 );
decl.AddElement( 0, offset, VertexElementType.Float3, VertexElementSemantic.Normal );
offset += VertexElement.GetTypeSize( VertexElementType.Float3 );
decl.AddElement( 0, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0 );
offset += VertexElement.GetTypeSize( VertexElementType.Float2 );
decl.AddElement( 0, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1 );
// Build initial patches - we need to know how big the vertex buffer needs to be
// to accommodate the subdivision
// we don't want to include the elements for texture lighting, so we clone it
rgm.notifyWorldGeometryStageStarted( "Initializing patches" );
InitQuake3Patches( q3lvl, (VertexDeclaration)decl.Clone() );
rgm.notifyWorldGeometryStageEnded();
// this is for texture lighting color and alpha
decl.AddElement( 1, lightTexOffset, VertexElementType.Color, VertexElementSemantic.Diffuse );
lightTexOffset += VertexElement.GetTypeSize( VertexElementType.Color );
// this is for texture lighting coords
decl.AddElement( 1, lightTexOffset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 2 );
rgm.notifyWorldGeometryStageStarted( "Setting up vertex data" );
// Create the vertex buffer, allow space for patches
HardwareVertexBuffer vbuf = HardwareBufferManager.Instance.CreateVertexBuffer( decl.Clone(0), q3lvl.NumVertices + patchVertexCount, BufferUsage.StaticWriteOnly /* the vertices will be read often for texture lighting, use shadow buffer */, true );
// Create the vertex buffer for texture lighting, allow space for patches
HardwareVertexBuffer texLightBuf = HardwareBufferManager.Instance.CreateVertexBuffer( decl.Clone(1), q3lvl.NumVertices + patchVertexCount, BufferUsage.DynamicWriteOnly, false );
// COPY static vertex data - Note that we can't just block-copy the vertex data because we have to reorder
// our vertex elements; this is to ensure compatibility with older cards when using
// hardware vertex buffers - Direct3D requires that the buffer format maps onto a
// FVF in those older drivers.
// Lock just the non-patch area for now.
unsafe
{
BspVertex vert = new BspVertex();
TextureLightMap texLightMap = new TextureLightMap();
// Keep another base pointer for use later in patch building
for ( int v = 0; v < q3lvl.NumVertices; v++ )
{
QuakeVertexToBspVertex( q3lvl.Vertices[ v ], out vert, out texLightMap );
BspVertex* bvptr = |
TextureLightMap* tlptr = &texLightMap;
vbuf.WriteData(
v * sizeof( BspVertex ),
sizeof( BspVertex ),
(IntPtr)bvptr
);
texLightBuf.WriteData(
v * sizeof( TextureLightMap ),
sizeof( TextureLightMap ),
(IntPtr)tlptr
);
}
}
// Setup binding
vertexData.vertexBufferBinding.SetBinding( 0, vbuf );
// Setup texture lighting binding
vertexData.vertexBufferBinding.SetBinding( 1, texLightBuf );
// Set other data
vertexData.vertexStart = 0;
vertexData.vertexCount = q3lvl.NumVertices + patchVertexCount;
rgm.notifyWorldGeometryStageEnded();
//-----------------------------------------------------------------------
// Faces
//-----------------------------------------------------------------------
rgm.notifyWorldGeometryStageStarted( "Setting up face data" );
leafFaceGroups = new int[ q3lvl.LeafFaces.Length ];
Array.Copy( q3lvl.LeafFaces, 0, leafFaceGroups, 0, leafFaceGroups.Length );
faceGroups = new BspStaticFaceGroup[ q3lvl.Faces.Length ];
// Set up index buffer
// NB Quake3 indexes are 32-bit
// Copy the indexes into a software area for staging
numIndexes = q3lvl.NumElements + patchIndexCount;
// Create an index buffer manually in system memory, allow space for patches
indexes = HardwareBufferManager.Instance.CreateIndexBuffer(
IndexType.Size32,
numIndexes,
BufferUsage.Dynamic
);
// Write main indexes
indexes.WriteData( 0, Marshal.SizeOf( typeof( uint ) ) * q3lvl.NumElements, q3lvl.Elements, true );
rgm.notifyWorldGeometryStageEnded();
// now build patch information
rgm.notifyWorldGeometryStageStarted( "Building patches" );
BuildQuake3Patches( q3lvl.NumVertices, q3lvl.NumElements );
rgm.notifyWorldGeometryStageEnded();
//-----------------------------------------------------------------------
// Create materials for shaders
//-----------------------------------------------------------------------
// NB this only works for the 'default' shaders for now
// i.e. those that don't have a .shader script and thus default
// to just texture + lightmap
// TODO: pre-parse all .shader files and create lookup for next stage (use ROGL shader_file_t)
// Material names are shadername#lightmapnumber
// This is because I like to define materials up front completely
// rather than combine lightmap and shader dynamically (it's
// more generic). It results in more materials, but they're small
// beer anyway. Texture duplication is prevented by infrastructure.
// To do this I actually need to parse the faces since they have the
// shader/lightmap combo (lightmap number is not in the shader since
// it can be used with multiple lightmaps)
string shaderName;
int face = q3lvl.Faces.Length;
int progressCountdown = 100;
int progressCount = 0;
while ( face-- > 0 )
{
// Progress reporting
if ( progressCountdown == 100 )
{
++progressCount;
String str = String.Format( "Loading materials (phase {0})", progressCount );
rgm.notifyWorldGeometryStageStarted( str );
}
else if ( progressCountdown == 0 )
{
// stage report
rgm.notifyWorldGeometryStageEnded();
progressCountdown = 100 + 1;
}
// Check to see if existing material
// Format shader#lightmap
int shadIdx = q3lvl.Faces[ face ].shader;
shaderName = String.Format( "{0}#{1}", q3lvl.Shaders[ shadIdx ].name, q3lvl.Faces[ face ].lmTexture );
Material shadMat = (Material)MaterialManager.Instance.GetByName( shaderName );
if ( shadMat == null && !bspOptions.useLightmaps )
{
// try the no-lightmap material
shaderName = String.Format( "{0}#n", q3lvl.Shaders[ shadIdx ].name );
shadMat = (Material)MaterialManager.Instance.GetByName( shaderName );
}
if ( shadMat == null )
{
// Color layer
// NB no extension in Q3A(doh), have to try shader, .jpg, .tga
string tryName = q3lvl.Shaders[ shadIdx ].name;
// Try shader first
Quake3Shader shader = (Quake3Shader)Quake3ShaderManager.Instance.GetByName( tryName );
if ( shader != null )
{
shadMat = shader.CreateAsMaterial( q3lvl.Faces[ face ].lmTexture );
}
else
{
// No shader script, try default type texture
shadMat = (Material)MaterialManager.Instance.Create( shaderName, rgm.WorldResourceGroupName );
Pass shadPass = shadMat.GetTechnique( 0 ).GetPass( 0 );
// Try jpg
TextureUnitState tex = null;
if ( ResourceGroupManager.Instance.ResourceExists( rgm.WorldResourceGroupName, tryName + ".jpg" ) )
{
tex = shadPass.CreateTextureUnitState( tryName + ".jpg" );
}
if ( ResourceGroupManager.Instance.ResourceExists( rgm.WorldResourceGroupName, tryName + ".tga" ) )
{
tex = shadPass.CreateTextureUnitState( tryName + ".tga" );
}
if ( tex != null )
{
// Set replace on all first layer textures for now
tex.SetColorOperation( LayerBlendOperation.Replace );
tex.SetTextureAddressingMode( TextureAddressing.Wrap );
// for ambient lighting
tex.ColorBlendMode.source2 = LayerBlendSource.Manual;
}
if ( bspOptions.useLightmaps && q3lvl.Faces[ face ].lmTexture != -1 )
{
// Add lightmap, additive blending
tex = shadPass.CreateTextureUnitState( String.Format( "@lightmap{0}", q3lvl.Faces[ face ].lmTexture ) );
// Blend
tex.SetColorOperation( LayerBlendOperation.Modulate );
// Use 2nd texture co-ordinate set
tex.TextureCoordSet = 1;
// Clamp
tex.SetTextureAddressingMode( TextureAddressing.Clamp );
}
shadMat.CullingMode = CullingMode.None;
shadMat.Lighting = false;
}
}
shadMat.Load();
// Copy face data
BspStaticFaceGroup dest = new BspStaticFaceGroup();
InternalBspFace src = q3lvl.Faces[ face ];
if ( ( q3lvl.Shaders[ src.shader ].surfaceFlags & SurfaceFlags.Sky ) == SurfaceFlags.Sky )
dest.isSky = true;
else
dest.isSky = false;
dest.materialHandle = shadMat.Handle;
dest.elementStart = src.elemStart;
dest.numElements = src.elemCount;
dest.numVertices = src.vertCount;
dest.vertexStart = src.vertStart;
dest.plane = new Plane();
if ( Quake3ShaderManager.Instance.GetByName( q3lvl.Shaders[ shadIdx ].name ) != null )
{
// it's a quake shader
dest.isQuakeShader = true;
}
if ( src.type == BspFaceType.Normal )
{
dest.type = FaceGroup.FaceList;
// Assign plane
dest.plane.Normal = new Vector3(
src.normal[ 0 ],
src.normal[ 1 ],
src.normal[ 2 ]
);
dest.plane.D = -dest.plane.Normal.Dot(
new Vector3(
src.org[ 0 ],
src.org[ 1 ],
src.org[ 2 ]
)
);
// Don't rebase indexes here - Quake3 re-uses some indexes for multiple vertex
// groups eg repeating small details have the same relative vertex data but
// use the same index data.
}
else if ( src.type == BspFaceType.Patch )
{
// Seems to be some crap in the Q3 level where vertex count = 0 or num control points = 0?
if ( ( dest.numVertices == 0 ) || ( src.meshCtrl[ 0 ] == 0 ) )
{
dest.type = FaceGroup.Unknown;
}
else
{
// Set up patch surface
dest.type = FaceGroup.Patch;
// Locate the patch we already built
if ( !patches.ContainsKey( face ) )
throw new AxiomException( "Patch not found from previous built state." );
dest.patchSurf = (PatchSurface)patches[ face ];
}
}
else if ( src.type == BspFaceType.Mesh )
{
dest.type = FaceGroup.FaceList;
// Assign plane
dest.plane.Normal = new Vector3( src.normal[ 0 ], src.normal[ 1 ], src.normal[ 2 ] );
dest.plane.D = -dest.plane.Normal.Dot( new Vector3( src.org[ 0 ], src.org[ 1 ], src.org[ 2 ] ) );
}
else
{
LogManager.Instance.Write( "!!! Unknown face type !!!" );
}
faceGroups[ face ] = dest;
}
//-----------------------------------------------------------------------
// Nodes
//-----------------------------------------------------------------------
// Allocate memory for all nodes (leaves and splitters)
nodes = new BspNode[ q3lvl.NumNodes + q3lvl.NumLeaves ];
numLeaves = q3lvl.NumLeaves;
leafStart = q3lvl.NumNodes;
// Run through and initialize the array so front/back node pointers
// aren't null.
for ( int i = 0; i < nodes.Length; i++ )
nodes[ i ] = new BspNode();
// Convert nodes
// In our array, first q3lvl.NumNodes are non-leaf, others are leaves
for ( int i = 0; i < q3lvl.NumNodes; i++ )
{
BspNode node = nodes[ i ];
InternalBspNode q3node = q3lvl.Nodes[ i ];
node.IsLeaf = false;
node.Owner = this;
Plane splitPlane = new Plane();
// Set plane
splitPlane.Normal = new Vector3(
q3lvl.Planes[ q3node.plane ].normal[ 0 ],
q3lvl.Planes[ q3node.plane ].normal[ 1 ],
q3lvl.Planes[ q3node.plane ].normal[ 2 ]
);
splitPlane.D = -q3lvl.Planes[ q3node.plane ].distance;
node.SplittingPlane = splitPlane;
// Set bounding box
node.BoundingBox = new AxisAlignedBox(
new Vector3(
q3node.bbox[ 0 ],
q3node.bbox[ 1 ],
q3node.bbox[ 2 ]
),
new Vector3(
q3node.bbox[ 3 ],
q3node.bbox[ 4 ],
q3node.bbox[ 5 ]
)
);
// Set back pointer
// Negative indexes in Quake3 mean leaves.
if ( q3node.back < 0 )
node.BackNode = nodes[ leafStart + ( ~( q3node.back ) ) ];
else
node.BackNode = nodes[ q3node.back ];
// Set front pointer
// Negative indexes in Quake3 mean leaves
if ( q3node.front < 0 )
node.FrontNode = nodes[ leafStart + ( ~( q3node.front ) ) ];
else
node.FrontNode = nodes[ q3node.front ];
}
//-----------------------------------------------------------------------
// Brushes
//-----------------------------------------------------------------------
// Reserve enough memory for all brushes, solid or not (need to maintain indexes)
brushes = new BspBrush[ q3lvl.NumBrushes ];
for ( int i = 0; i < q3lvl.NumBrushes; i++ )
{
InternalBspBrush q3brush = q3lvl.Brushes[ i ];
// Create a new OGRE brush
BspBrush brush = new BspBrush();
int numBrushSides = q3brush.numSides;
int brushSideIdx = q3brush.firstSide;
// Iterate over the sides and create plane for each
while ( numBrushSides-- > 0 )
{
InternalBspPlane side = q3lvl.Planes[ q3lvl.BrushSides[ brushSideIdx ].planeNum ];
// Notice how we normally invert Q3A plane distances, but here we do not
// Because we want plane normals pointing out of solid brushes, not in.
Plane brushSide = new Plane(
new Vector3(
q3lvl.Planes[ q3lvl.BrushSides[ brushSideIdx ].planeNum ].normal[ 0 ],
q3lvl.Planes[ q3lvl.BrushSides[ brushSideIdx ].planeNum ].normal[ 1 ],
q3lvl.Planes[ q3lvl.BrushSides[ brushSideIdx ].planeNum ].normal[ 2 ]
), q3lvl.Planes[ q3lvl.BrushSides[ brushSideIdx ].planeNum ].distance );
brush.Planes.Add( brushSide );
brushSideIdx++;
}
// Build world fragment
brush.Fragment.FragmentType = WorldFragmentType.PlaneBoundedRegion;
brush.Fragment.Planes = brush.Planes;
brushes[ i ] = brush;
}
//-----------------------------------------------------------------------
// Leaves
//-----------------------------------------------------------------------
for ( int i = 0; i < q3lvl.NumLeaves; ++i )
{
BspNode node = nodes[ i + this.LeafStart ];
InternalBspLeaf q3leaf = q3lvl.Leaves[ i ];
node.IsLeaf = true;
node.Owner = this;
// Set bounding box
node.BoundingBox.Minimum = new Vector3(
q3leaf.bbox[ 0 ],
q3leaf.bbox[ 1 ],
q3leaf.bbox[ 2 ]
);
node.BoundingBox.Maximum = new Vector3(
q3leaf.bbox[ 3 ],
q3leaf.bbox[ 4 ],
q3leaf.bbox[ 5 ]
);
// Set faces
node.FaceGroupStart = q3leaf.faceStart;
node.NumFaceGroups = q3leaf.faceCount;
node.VisCluster = q3leaf.cluster;
// Load Brushes for this leaf
int realBrushIdx = 0, solidIdx = 0;
int brushCount = q3leaf.brushCount;
int brushIdx = q3leaf.brushStart;
node.SolidBrushes = new BspBrush[ brushCount ];
while ( brushCount-- > 0 )
{
realBrushIdx = q3lvl.LeafBrushes[ brushIdx ];
InternalBspBrush q3brush = q3lvl.Brushes[ realBrushIdx ];
// Only load solid ones, we don't care about any other types
// Shader determines this.
InternalBspShader brushShader = q3lvl.Shaders[ q3brush.shaderIndex ];
if ( ( brushShader.contentFlags & ContentFlags.Solid ) == ContentFlags.Solid )
node.SolidBrushes[ solidIdx ] = brushes[ realBrushIdx ];
brushIdx++;
solidIdx++;
}
}
// Vis - just copy
visData.numClusters = q3lvl.VisData.clusterCount;
visData.rowLength = q3lvl.VisData.rowSize;
visData.tableData = new byte[ q3lvl.VisData.rowSize * q3lvl.VisData.clusterCount ];
Array.Copy( q3lvl.VisData.data, 0, visData.tableData, 0, visData.tableData.Length );
}
private void LoadLevelFaces(Quake3Level q3lvl)
{
//-----------------------------------------------------------------------
// Faces
//-----------------------------------------------------------------------
leafFaceGroups = new int[q3lvl.LeafFaces.Length];
Array.Copy(q3lvl.LeafFaces, 0, leafFaceGroups, 0, leafFaceGroups.Length);
faceGroups = new BspStaticFaceGroup[q3lvl.Faces.Length];
// Set up index buffer
// NB Quake3 indexes are 32-bit
// Copy the indexes into a software area for staging
numIndexes = q3lvl.NumElements + patchIndexCount;
// Create an index buffer manually in system memory, allow space for patches
indexes = HardwareBufferManager.Instance.CreateIndexBuffer(
IndexType.Size32,
numIndexes,
BufferUsage.Dynamic
);
// Write main indexes
indexes.WriteData(0, Marshal.SizeOf(typeof(uint)) * q3lvl.NumElements, q3lvl.Elements, true);
}
private void CreateNodes(Quake3Level q3lvl)
{
// Allocate memory for all nodes (leaves and splitters)
nodes = new BspNode[q3lvl.NumNodes + q3lvl.NumLeaves];
numLeaves = q3lvl.NumLeaves;
leafStart = q3lvl.NumNodes;
// Run through and initialize the array so front/back node pointers
// aren't null.
for(int i = 0; i < nodes.Length; i++)
nodes[i] = new BspNode();
// Convert nodes
// In our array, first q3lvl.NumNodes are non-leaf, others are leaves
for(int i = 0; i < q3lvl.NumNodes; i++)
{
BspNode node = nodes[i];
InternalBspNode q3node = q3lvl.Nodes[i];
node.IsLeaf = false;
node.Owner = this;
Plane splitPlane = new Plane();
// Set plane
splitPlane.Normal = new Vector3(
q3lvl.Planes[q3node.plane].normal[0],
q3lvl.Planes[q3node.plane].normal[1],
q3lvl.Planes[q3node.plane].normal[2]
);
splitPlane.D = -q3lvl.Planes[q3node.plane].distance;
node.SplittingPlane = splitPlane;
// Set bounding box
node.BoundingBox = new AxisAlignedBox(
new Vector3(
q3node.bbox[0],
q3node.bbox[1],
q3node.bbox[2]
),
new Vector3(
q3node.bbox[3],
q3node.bbox[4],
q3node.bbox[5]
)
);
// Set back pointer
// Negative indexes in Quake3 mean leaves.
if(q3node.back < 0)
node.BackNode = nodes[leafStart + (~(q3node.back))];
else
node.BackNode = nodes[q3node.back];
// Set front pointer
// Negative indexes in Quake3 mean leaves
if(q3node.front < 0)
node.FrontNode = nodes[leafStart + (~(q3node.front))];
else
node.FrontNode = nodes[q3node.front];
}
}
private void CreateBrushes(Quake3Level q3lvl)
{
// Reserve enough memory for all brushes, solid or not (need to maintain indexes)
brushes = new BspBrush[q3lvl.NumBrushes];
for(int i = 0; i < q3lvl.NumBrushes; i++)
{
InternalBspBrush q3brush = q3lvl.Brushes[i];
// Create a new OGRE brush
BspBrush brush = new BspBrush();
int numBrushSides = q3brush.numSides;
int brushSideIdx = q3brush.firstSide;
// Iterate over the sides and create plane for each
while(numBrushSides-- > 0)
{
InternalBspPlane side = q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum];
// Notice how we normally invert Q3A plane distances, but here we do not
// Because we want plane normals pointing out of solid brushes, not in.
Plane brushSide = new Plane(
new Vector3(
q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].normal[0],
q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].normal[1],
q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].normal[2]
), q3lvl.Planes[q3lvl.BrushSides[brushSideIdx].planeNum].distance);
brush.Planes.Add(brushSide);
brushSideIdx++;
}
// Build world fragment
brush.Fragment.FragmentType = WorldFragmentType.PlaneBoundedRegion;
brush.Fragment.Planes = brush.Planes;
brushes[i] = brush;
}
}
/// <summary>
/// Internal method for parsing chosen entities.
/// </summary>
protected void LoadEntities(Quake3Level q3lvl)
{
Vector3 origin = new Vector3();
float angle = 0;
bool isPlayerStart = false;
string[] entities = q3lvl.Entities.Split('\n');
for (int i = 0; i < entities.Length; i++)
{
// Remove whitespace and quotes.
entities[i] = entities[i].Trim().Replace("\"", "");
if (entities[i].Length == 0)
{
continue;
}
string[] paramList = entities[i].Split(' ');
if (paramList[0] == "origin")
{
float[] vector = new float[3];
for (int v = 0; v < 3; v++)
{
vector[v] = StringConverter.ParseFloat(paramList[v + 1]);
}
q3lvl.TransformVector(vector);
origin = new Vector3(vector[0], vector[1], vector[2]);
}
if (paramList[0] == "angle")
{
angle = StringConverter.ParseFloat(paramList[1]);
}
if ((paramList[0] == "classname") && (paramList[1] == "info_player_deathmatch"))
{
isPlayerStart = true;
}
if (paramList[0] == "}")
{
if (isPlayerStart)
{
ViewPoint vp = new ViewPoint();
vp.position = origin;
if (q3lvl.Options.setYAxisUp)
{
vp.orientation = Quaternion.FromAngleAxis(MathUtil.DegreesToRadians(angle), Vector3.UnitY);
}
else
{
vp.orientation = Quaternion.FromAngleAxis(MathUtil.DegreesToRadians(angle), Vector3.UnitZ);
}
playerStarts.Add(vp);
}
isPlayerStart = false;
}
}
}
private void LoadLevelVertices(Quake3Level q3lvl)
{
//-----------------------------------------------------------------------
// Vertices
//-----------------------------------------------------------------------
// Allocate memory for vertices & copy
vertexData = new VertexData();
// Create vertex declaration
VertexDeclaration decl = vertexData.vertexDeclaration;
int offset = 0;
int lightTexOffset = 0;
decl.AddElement(0, offset, VertexElementType.Float3, VertexElementSemantic.Position);
offset += VertexElement.GetTypeSize(VertexElementType.Float3);
decl.AddElement(0, offset, VertexElementType.Float3, VertexElementSemantic.Normal);
offset += VertexElement.GetTypeSize(VertexElementType.Float3);
decl.AddElement(0, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
decl.AddElement(0, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1);
// Build initial patches - we need to know how big the vertex buffer needs to be
// to accommodate the subdivision
// we don't want to include the elements for texture lighting, so we clone it
InitQuake3Patches(q3lvl, (VertexDeclaration)decl.Clone());
// this is for texture lighting color and alpha
decl.AddElement(1, lightTexOffset, VertexElementType.Color, VertexElementSemantic.Diffuse);
lightTexOffset += VertexElement.GetTypeSize(VertexElementType.Color);
// this is for texture lighting coords
decl.AddElement(1, lightTexOffset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 2);
// Create the vertex buffer, allow space for patches
HardwareVertexBuffer vbuf = HardwareBufferManager.Instance.CreateVertexBuffer(
Marshal.SizeOf(typeof(BspVertex)),
q3lvl.NumVertices + patchVertexCount,
BufferUsage.StaticWriteOnly,
// the vertices will be read often for texture lighting, use shadow buffer
true
);
// Create the vertex buffer for texture lighting, allow space for patches
HardwareVertexBuffer texLightBuf = HardwareBufferManager.Instance.CreateVertexBuffer(
Marshal.SizeOf(typeof(TextureLightMap)),
q3lvl.NumVertices + patchVertexCount,
BufferUsage.DynamicWriteOnly,
false
);
// COPY static vertex data - Note that we can't just block-copy the vertex data because we have to reorder
// our vertex elements; this is to ensure compatibility with older cards when using
// hardware vertex buffers - Direct3D requires that the buffer format maps onto a
// FVF in those older drivers.
// Lock just the non-patch area for now.
unsafe
{
BspVertex vert = new BspVertex();
TextureLightMap texLightMap = new TextureLightMap();
// Keep another base pointer for use later in patch building
for (int v = 0; v < q3lvl.NumVertices; v++)
{
QuakeVertexToBspVertex(q3lvl.Vertices[v], out vert, out texLightMap);
BspVertex * bvptr = |
TextureLightMap *tlptr = &texLightMap;
vbuf.WriteData(
v * sizeof(BspVertex),
sizeof(BspVertex),
(IntPtr)bvptr
);
texLightBuf.WriteData(
v * sizeof(TextureLightMap),
sizeof(TextureLightMap),
(IntPtr)tlptr
);
}
}
// Setup binding
vertexData.vertexBufferBinding.SetBinding(0, vbuf);
// Setup texture lighting binding
vertexData.vertexBufferBinding.SetBinding(1, texLightBuf);
// Set other data
vertexData.vertexStart = 0;
vertexData.vertexCount = q3lvl.NumVertices + patchVertexCount;
}
private BspStaticFaceGroup CopyShaderFaceData(Quake3Level q3lvl, int face, Material shadMat, int shadIdx)
{
BspStaticFaceGroup dest = new BspStaticFaceGroup();
InternalBspFace src = q3lvl.Faces[face];
if ((q3lvl.Shaders[src.shader].surfaceFlags & SurfaceFlags.Sky) == SurfaceFlags.Sky)
{
dest.isSky = true;
}
else
{
dest.isSky = false;
}
dest.materialHandle = shadMat.Handle;
dest.elementStart = src.elemStart;
dest.numElements = src.elemCount;
dest.numVertices = src.vertCount;
dest.vertexStart = src.vertStart;
dest.plane = new Plane();
if (Quake3ShaderManager.Instance.GetByName(q3lvl.Shaders[shadIdx].name) != null)
{
// it's a quake shader
dest.isQuakeShader = true;
}
if (src.type == BspFaceType.Normal)
{
dest.type = FaceGroup.FaceList;
// Assign plane
dest.plane.Normal = new Vector3(
src.normal[0],
src.normal[1],
src.normal[2]
);
dest.plane.D = -dest.plane.Normal.Dot(
new Vector3(
src.org[0],
src.org[1],
src.org[2]
)
);
// Don't rebase indexes here - Quake3 re-uses some indexes for multiple vertex
// groups eg repeating small details have the same relative vertex data but
// use the same index data.
}
else if (src.type == BspFaceType.Patch)
{
// Seems to be some crap in the Q3 level where vertex count = 0 or num control points = 0?
if ((dest.numVertices == 0) || (src.meshCtrl[0] == 0))
{
dest.type = FaceGroup.Unknown;
}
else
{
// Set up patch surface
dest.type = FaceGroup.Patch;
// Locate the patch we already built
if (!patches.ContainsKey(face))
{
throw new AxiomException("Patch not found from previous built state.");
}
dest.patchSurf = (PatchSurface)patches[face];
}
}
else if (src.type == BspFaceType.Mesh)
{
dest.type = FaceGroup.FaceList;
// Assign plane
dest.plane.Normal = new Vector3(src.normal[0], src.normal[1], src.normal[2]);
dest.plane.D = -dest.plane.Normal.Dot(new Vector3(src.org[0], src.org[1], src.org[2]));
}
else
{
LogManager.Instance.Write("!!! Unknown face type !!!");
}
return(dest);
}
private void CreateShaderMaterials(Quake3Level q3lvl, SceneManager sm)
{
// NB this only works for the 'default' shaders for now
// i.e. those that don't have a .shader script and thus default
// to just texture + lightmap
// TODO: pre-parse all .shader files and create lookup for next stage (use ROGL shader_file_t)
// Material names are shadername#lightmapnumber
// This is because I like to define materials up front completely
// rather than combine lightmap and shader dynamically (it's
// more generic). It results in more materials, but they're small
// beer anyway. Texture duplication is prevented by infrastructure.
// To do this I actually need to parse the faces since they have the
// shader/lightmap combo (lightmap number is not in the shader since
// it can be used with multiple lightmaps)
string shaderName;
int face = q3lvl.Faces.Length;
while (face-- > 0)
{
// Check to see if existing material
// Format shader#lightmap
int shadIdx = q3lvl.Faces[face].shader;
shaderName = String.Format("{0}#{1}", q3lvl.Shaders[shadIdx].name, q3lvl.Faces[face].lmTexture);
Material shadMat = sm.GetMaterial(shaderName);
if (shadMat == null && !bspOptions.useLightmaps)
{
// try the no-lightmap material
shaderName = String.Format("{0}#n", q3lvl.Shaders[shadIdx].name);
shadMat = sm.GetMaterial(shaderName);
}
if (shadMat == null)
{
// Colour layer
// NB no extension in Q3A(doh), have to try shader, .jpg, .tga
string tryName = q3lvl.Shaders[shadIdx].name;
// Try shader first
Quake3Shader shader = (Quake3Shader)Quake3ShaderManager.Instance.GetByName(tryName);
if (shader != null)
{
shadMat = shader.CreateAsMaterial(sm, q3lvl.Faces[face].lmTexture);
}
else
{
// No shader script, try default type texture
shadMat = sm.CreateMaterial(shaderName);
Pass shadPass = shadMat.GetTechnique(0).GetPass(0);
// Try jpg
TextureUnitState tex = shadPass.CreateTextureUnitState(tryName + ".jpg");
tex.Load();
if (tex.IsBlank)
{
// Try tga
tex.SetTextureName(tryName + ".tga");
}
// Set replace on all first layer textures for now
tex.SetColorOperation(LayerBlendOperation.Replace);
tex.TextureAddressing = TextureAddressing.Wrap;
// for ambient lighting
tex.ColorBlendMode.source2 = LayerBlendSource.Manual;
if (bspOptions.useLightmaps && q3lvl.Faces[face].lmTexture != -1)
{
// Add lightmap, additive blending
tex = shadPass.CreateTextureUnitState(String.Format("@lightmap{0}", q3lvl.Faces[face].lmTexture));
// Blend
tex.SetColorOperation(LayerBlendOperation.Modulate);
// Use 2nd texture co-ordinate set
tex.TextureCoordSet = 1;
// Clamp
tex.TextureAddressing = TextureAddressing.Clamp;
}
shadMat.CullingMode = CullingMode.None;
shadMat.Lighting = false;
}
}
shadMat.Load();
// Copy face data
BspStaticFaceGroup dest = CopyShaderFaceData(q3lvl, face, shadMat, shadIdx);
faceGroups[face] = dest;
}
}
private void CreateNodes(Quake3Level q3lvl)
{
// Allocate memory for all nodes (leaves and splitters)
nodes = new BspNode[q3lvl.NumNodes + q3lvl.NumLeaves];
numLeaves = q3lvl.NumLeaves;
leafStart = q3lvl.NumNodes;
// Run through and initialize the array so front/back node pointers
// aren't null.
for (int i = 0; i < nodes.Length; i++)
{
nodes[i] = new BspNode();
}
// Convert nodes
// In our array, first q3lvl.NumNodes are non-leaf, others are leaves
for (int i = 0; i < q3lvl.NumNodes; i++)
{
BspNode node = nodes[i];
InternalBspNode q3node = q3lvl.Nodes[i];
node.IsLeaf = false;
node.Owner = this;
Plane splitPlane = new Plane();
// Set plane
splitPlane.Normal = new Vector3(
q3lvl.Planes[q3node.plane].normal[0],
q3lvl.Planes[q3node.plane].normal[1],
q3lvl.Planes[q3node.plane].normal[2]
);
splitPlane.D = -q3lvl.Planes[q3node.plane].distance;
node.SplittingPlane = splitPlane;
// Set bounding box
node.BoundingBox = new AxisAlignedBox(
new Vector3(
q3node.bbox[0],
q3node.bbox[1],
q3node.bbox[2]
),
new Vector3(
q3node.bbox[3],
q3node.bbox[4],
q3node.bbox[5]
)
);
// Set back pointer
// Negative indexes in Quake3 mean leaves.
if (q3node.back < 0)
{
node.BackNode = nodes[leafStart + (~(q3node.back))];
}
else
{
node.BackNode = nodes[q3node.back];
}
// Set front pointer
// Negative indexes in Quake3 mean leaves
if (q3node.front < 0)
{
node.FrontNode = nodes[leafStart + (~(q3node.front))];
}
else
{
node.FrontNode = nodes[q3node.front];
}
}
}
private void CreateLeaves(Quake3Level q3lvl)
{
for(int i = 0; i < q3lvl.NumLeaves; ++i)
{
BspNode node = nodes[i + this.LeafStart];
InternalBspLeaf q3leaf = q3lvl.Leaves[i];
node.IsLeaf = true;
node.Owner = this;
// Set bounding box
node.BoundingBox.Minimum = new Vector3(
q3leaf.bbox[0],
q3leaf.bbox[1],
q3leaf.bbox[2]
);
node.BoundingBox.Maximum = new Vector3(
q3leaf.bbox[3],
q3leaf.bbox[4],
q3leaf.bbox[5]
);
// Set faces
node.FaceGroupStart = q3leaf.faceStart;
node.NumFaceGroups = q3leaf.faceCount;
node.VisCluster = q3leaf.cluster;
// Load Brushes for this leaf
int realBrushIdx = 0, solidIdx = 0;
int brushCount = q3leaf.brushCount;
int brushIdx = q3leaf.brushStart;
node.SolidBrushes = new BspBrush[brushCount];
while(brushCount-- > 0)
{
realBrushIdx = q3lvl.LeafBrushes[brushIdx];
InternalBspBrush q3brush = q3lvl.Brushes[realBrushIdx];
// Only load solid ones, we don't care about any other types
// Shader determines this.
InternalBspShader brushShader = q3lvl.Shaders[q3brush.shaderIndex];
if((brushShader.contentFlags & ContentFlags.Solid) == ContentFlags.Solid)
node.SolidBrushes[solidIdx] = brushes[realBrushIdx];
brushIdx++;
solidIdx++;
}
}
}
/// <summary>
/// Generic load - called by <see cref="Plugin_BSPSceneManager.BspResourceManager"/>.
/// </summary>
protected override void load()
{
//if ( createParam.ContainsKey( "SetYAxisUp" ) )
// bool.TryParse( createParam[ "SetYAxisUp" ], out bspOptions.setYAxisUp);
//if ( createParam.ContainsKey( "Scale" ) )
// float.TryParse( createParam[ "Scale" ], out bspOptions.scale );
//Vector3 move = Vector3.Zero;
//if ( createParam.ContainsKey( "MoveX" ) )
// float.TryParse( createParam[ "MoveX" ], out move.x );
//if ( createParam.ContainsKey("MoveY" ) )
// float.TryParse( createParam["MoveY"], out move.y );
//if ( createParam.ContainsKey( "MoveZ" ) )
// float.TryParse( createParam["MoveZ"], out move.z );
//if ( createParam.ContainsKey( "UseLightmaps" ) )
// bool.TryParse( createParam[ "UseLightmaps" ], out bspOptions.useLightmaps );
//if ( createParam.ContainsKey( "AmbientEnabled" ) )
// bool.TryParse( createParam[ "AmbientEnabled" ], out bspOptions.ambientEnabled );
//if ( createParam.ContainsKey( "AmbientRatio") )
// float.TryParse( createParam[ "AmbientRatio" ], out bspOptions.ambientRatio );
Quake3Level q3 = new Quake3Level( bspOptions );
Stream chunk = ResourceGroupManager.Instance.OpenResource( Name, ResourceGroupManager.Instance.WorldResourceGroupName );
q3.LoadFromStream( chunk );
LoadQuake3Level( q3 );
chunk.Close();
}
private void CreateShaderMaterials(Quake3Level q3lvl, SceneManager sm)
{
// NB this only works for the 'default' shaders for now
// i.e. those that don't have a .shader script and thus default
// to just texture + lightmap
// TODO: pre-parse all .shader files and create lookup for next stage (use ROGL shader_file_t)
// Material names are shadername#lightmapnumber
// This is because I like to define materials up front completely
// rather than combine lightmap and shader dynamically (it's
// more generic). It results in more materials, but they're small
// beer anyway. Texture duplication is prevented by infrastructure.
// To do this I actually need to parse the faces since they have the
// shader/lightmap combo (lightmap number is not in the shader since
// it can be used with multiple lightmaps)
string shaderName;
int face = q3lvl.Faces.Length;
while(face-- > 0)
{
// Check to see if existing material
// Format shader#lightmap
int shadIdx = q3lvl.Faces[face].shader;
shaderName = String.Format("{0}#{1}", q3lvl.Shaders[shadIdx].name, q3lvl.Faces[face].lmTexture);
Material shadMat = sm.GetMaterial(shaderName);
if (shadMat == null && !bspOptions.useLightmaps)
{
// try the no-lightmap material
shaderName = String.Format("{0}#n", q3lvl.Shaders[shadIdx].name);
shadMat = sm.GetMaterial(shaderName);
}
if(shadMat == null)
{
// Colour layer
// NB no extension in Q3A(doh), have to try shader, .jpg, .tga
string tryName = q3lvl.Shaders[shadIdx].name;
// Try shader first
Quake3Shader shader = (Quake3Shader) Quake3ShaderManager.Instance.GetByName(tryName);
if(shader != null)
{
shadMat = shader.CreateAsMaterial(sm, q3lvl.Faces[face].lmTexture);
}
else
{
// No shader script, try default type texture
shadMat = sm.CreateMaterial(shaderName);
Pass shadPass = shadMat.GetTechnique(0).GetPass(0);
// Try jpg
TextureUnitState tex = shadPass.CreateTextureUnitState(tryName + ".jpg");
tex.Load();
if(tex.IsBlank)
{
// Try tga
tex.SetTextureName(tryName + ".tga");
}
// Set replace on all first layer textures for now
tex.SetColorOperation(LayerBlendOperation.Replace);
tex.TextureAddressing = TextureAddressing.Wrap;
// for ambient lighting
tex.ColorBlendMode.source2 = LayerBlendSource.Manual;
if(bspOptions.useLightmaps && q3lvl.Faces[face].lmTexture != -1)
{
// Add lightmap, additive blending
tex = shadPass.CreateTextureUnitState(String.Format("@lightmap{0}", q3lvl.Faces[face].lmTexture));
// Blend
tex.SetColorOperation(LayerBlendOperation.Modulate);
// Use 2nd texture co-ordinate set
tex.TextureCoordSet = 1;
// Clamp
tex.TextureAddressing = TextureAddressing.Clamp;
}
shadMat.CullingMode = CullingMode.None;
shadMat.Lighting = false;
}
}
shadMat.Load();
// Copy face data
BspStaticFaceGroup dest = CopyShaderFaceData(q3lvl, face, shadMat, shadIdx);
faceGroups[face] = dest;
}
}
//-----------------------------------------------------------------------
private static int calculateLoadingStages( Stream stream )
{
Quake3Level q3 = new Quake3Level( null );
// Load header only
q3.LoadHeaderFromStream( stream );
// Ok, count up the things that we will report
int stages = 0;
// loadEntities (1 stage)
++stages;
// extractLightmaps (external, 1 stage)
++stages;
// initQuake3Patches
++stages;
// vertex setup
++stages;
// face setup
++stages;
// patch building
++stages;
// material setup
// this is not strictly based on load, since we only know the number
// of faces, not the number of materials
// raise one event for every 50 faces, plus one at the end
//stages += (q3.Faces.Length / NUM_FACES_PER_PROGRESS_REPORT) + 1;
// node setup
//stages += (q3.Nodes.Length / NUM_NODES_PER_PROGRESS_REPORT) + 1;
// brush setup
//stages += (q3.Brushes.Length / NUM_BRUSHES_PER_PROGRESS_REPORT) + 1;
// leaf setup
//stages += (q3.Leaves.Length / NUM_LEAVES_PER_PROGRESS_REPORT) + 1;
// vis
++stages;
return stages;
}
private void LoadLevelVertices(Quake3Level q3lvl)
{
//-----------------------------------------------------------------------
// Vertices
//-----------------------------------------------------------------------
// Allocate memory for vertices & copy
vertexData = new VertexData();
// Create vertex declaration
VertexDeclaration decl = vertexData.vertexDeclaration;
int offset = 0;
int lightTexOffset = 0;
decl.AddElement(0, offset, VertexElementType.Float3, VertexElementSemantic.Position);
offset += VertexElement.GetTypeSize(VertexElementType.Float3);
decl.AddElement(0, offset, VertexElementType.Float3, VertexElementSemantic.Normal);
offset += VertexElement.GetTypeSize(VertexElementType.Float3);
decl.AddElement(0, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
decl.AddElement(0, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1);
// Build initial patches - we need to know how big the vertex buffer needs to be
// to accommodate the subdivision
// we don't want to include the elements for texture lighting, so we clone it
InitQuake3Patches(q3lvl, (VertexDeclaration) decl.Clone());
// this is for texture lighting color and alpha
decl.AddElement(1, lightTexOffset, VertexElementType.Color, VertexElementSemantic.Diffuse);
lightTexOffset += VertexElement.GetTypeSize(VertexElementType.Color);
// this is for texture lighting coords
decl.AddElement(1, lightTexOffset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 2);
// Create the vertex buffer, allow space for patches
HardwareVertexBuffer vbuf = HardwareBufferManager.Instance.CreateVertexBuffer(
Marshal.SizeOf(typeof(BspVertex)),
q3lvl.NumVertices + patchVertexCount,
BufferUsage.StaticWriteOnly,
// the vertices will be read often for texture lighting, use shadow buffer
true
);
// Create the vertex buffer for texture lighting, allow space for patches
HardwareVertexBuffer texLightBuf = HardwareBufferManager.Instance.CreateVertexBuffer(
Marshal.SizeOf(typeof(TextureLightMap)),
q3lvl.NumVertices + patchVertexCount,
BufferUsage.DynamicWriteOnly,
false
);
// COPY static vertex data - Note that we can't just block-copy the vertex data because we have to reorder
// our vertex elements; this is to ensure compatibility with older cards when using
// hardware vertex buffers - Direct3D requires that the buffer format maps onto a
// FVF in those older drivers.
// Lock just the non-patch area for now.
unsafe
{
BspVertex vert = new BspVertex();
TextureLightMap texLightMap = new TextureLightMap();
// Keep another base pointer for use later in patch building
for(int v = 0; v < q3lvl.NumVertices; v++)
{
QuakeVertexToBspVertex(q3lvl.Vertices[v], out vert, out texLightMap);
BspVertex* bvptr = |
TextureLightMap* tlptr = &texLightMap;
vbuf.WriteData(
v * sizeof(BspVertex),
sizeof(BspVertex),
(IntPtr)bvptr
);
texLightBuf.WriteData(
v * sizeof(TextureLightMap),
sizeof(TextureLightMap),
(IntPtr)tlptr
);
}
}
// Setup binding
vertexData.vertexBufferBinding.SetBinding(0, vbuf);
// Setup texture lighting binding
vertexData.vertexBufferBinding.SetBinding(1, texLightBuf);
// Set other data
vertexData.vertexStart = 0;
vertexData.vertexCount = q3lvl.NumVertices + patchVertexCount;
}
public void Load( Stream stream )
{
if ( createParam.ContainsKey( "SetYAxisUp" ) )
bool.TryParse( createParam[ "SetYAxisUp" ], out bspOptions.setYAxisUp );
if ( createParam.ContainsKey( "Scale" ) )
float.TryParse( createParam[ "Scale" ], out bspOptions.scale );
Vector3 move = Vector3.Zero;
if ( createParam.ContainsKey( "MoveX" ) )
Real.TryParse( createParam[ "MoveX" ], out move.x );
if ( createParam.ContainsKey( "MoveY" ) )
Real.TryParse( createParam[ "MoveY" ], out move.y );
if ( createParam.ContainsKey( "MoveZ" ) )
Real.TryParse( createParam[ "MoveZ" ], out move.z );
if ( createParam.ContainsKey( "UseLightmaps" ) )
bool.TryParse( createParam[ "UseLightmaps" ], out bspOptions.useLightmaps );
if ( createParam.ContainsKey( "AmbientEnabled" ) )
bool.TryParse( createParam[ "AmbientEnabled" ], out bspOptions.ambientEnabled );
if ( createParam.ContainsKey( "AmbientRatio" ) )
float.TryParse( createParam[ "AmbientRatio" ], out bspOptions.ambientRatio );
Quake3Level q3 = new Quake3Level( bspOptions );
q3.LoadFromStream( stream );
LoadQuake3Level( q3 );
}
