/// <summary>
/// BeginBuildingLightmaps
/// ----------------------
/// Initializes the lightmap building process
/// </summary>
public void BeginBuildingLightmaps(ref CModel.SModel _SModel)
{
CLocal.SLightStyle[] _LightStyle;
// no dlightcache
CMain.r_framecount = 1;
// setup the base lightstyles so the lightmaps won't have to be regenerated
// the first time they're seen
_LightStyle = new CLocal.SLightStyle[CLocal.MAX_LIGHTSTYLES];
for (int i = 0; i < CLocal.MAX_LIGHTSTYLES; i++)
{
_LightStyle[i].rgb = new float[3];
_LightStyle[i].rgb[0] = 1.0f;
_LightStyle[i].rgb[1] = 1.0f;
_LightStyle[i].rgb[2] = 1.0f;
_LightStyle[i].white = 3.0f;
}
CClient.cl.RefDef.lightstyles = _LightStyle;
// jkrige ??
//if (!gl_state.lightmap_textures)
//{
// gl_state.lightmap_textures = TEXNUM_LIGHTMAPS;
//}
// jkrige ??
CProgram.gQ2Game.gCMain.gCImage.StartLightmaps(ref _SModel);
LM_InitBlock();
}
private void Mod_LoadTexinfo(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<CModel.SMTexInfo> MTexInfo = new List<CModel.SMTexInfo>();
br.BaseStream.Seek(header.lumps[LUMP_TEXINFO].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_TEXINFO].fileofs + header.lumps[LUMP_TEXINFO].filelen))
{
CModel.SMTexInfo _MTexInfo;
string texture;
int next;
_MTexInfo.vecs = new Microsoft.Xna.Framework.Vector4[2];
for (int i = 0; i < 2; i++)
{
_MTexInfo.vecs[i].X = br.ReadSingle();
_MTexInfo.vecs[i].Y = br.ReadSingle();
_MTexInfo.vecs[i].Z = br.ReadSingle();
_MTexInfo.vecs[i].W = br.ReadSingle();
}
_MTexInfo.flags = (ESurface)br.ReadInt32();
br.ReadInt32(); // value
texture = CShared.Com_ToString(br.ReadChars(32));
texture = "textures/" + texture;
next = br.ReadInt32();
if (next > 0)
_MTexInfo.next = next;
else
_MTexInfo.next = 0;
_MTexInfo.image = CProgram.gQ2Game.gCMain.gCImage.FindImage(texture, out _MTexInfo.Width, out _MTexInfo.Height, CImage.EImageType.IT_WALL);
// TODO
//out->image = GL_FindImage (name, it_wall);
//if (!out->image)
//{
// ri.Con_Printf (PRINT_ALL, "Couldn't load %s\n", name);
// out->image = r_notexture;
//}
_MTexInfo.numframes = 0;
MTexInfo.Add(_MTexInfo);
}
// count animation frames
for (int i = 0; i < MTexInfo.Count; i++)
{
CModel.SMTexInfo _MTexInfo = MTexInfo[i];
_MTexInfo.numframes = 1;
for (int step = _MTexInfo.next; step != 0 && step != i; step = MTexInfo[step].next)
{
_MTexInfo.numframes++;
}
MTexInfo[i] = _MTexInfo;
}
_SModel.numtexinfo = MTexInfo.Count;
_SModel.texinfo = MTexInfo.ToArray();
}
/// <summary>
/// SubdivideSurface
/// ----------------
/// Breaks a polygon up along axial 64 unit boundaries
/// so that turbulent and sky warps can be done reasonably.
/// </summary>
public void SubdivideSurface(ref CModel.SMSurface surf)
{
float[] verts;
int numverts;
List<CModel.SGLPoly> polys;
if ((surf.flags & CModel.EMSurface.SURF_DRAWTURB) != CModel.EMSurface.SURF_DRAWTURB)
return;
verts = new float[64 * 3];
numverts = surf.polys[0].numverts;
for (int i = 0; i < surf.polys[0].numverts; i++)
{
verts[(i * 3) + 0] = surf.polys[0].verts[i].vertex.Position.X;
verts[(i * 3) + 1] = surf.polys[0].verts[i].vertex.Position.Y;
verts[(i * 3) + 2] = surf.polys[0].verts[i].vertex.Position.Z;
}
surf.polys = null;
polys = new List<CModel.SGLPoly>();
SubdividePolygon(surf, ref polys, numverts, verts);
surf.polys = polys.ToArray();
polys.Clear();
}
/// <summary>
/// EndBuildingLightmaps
/// --------------------
/// Finalizes the processed lightmaps
/// </summary>
public void EndBuildingLightmaps(ref CModel.SModel _SModel)
{
LM_UploadBlock(false);
CProgram.gQ2Game.gCMain.gCImage.FinalizeLightmaps(ref _SModel);
}
/// <summary>
/// BuildSurfaceIndex
/// ------------------
/// Convert the surface's vertex format from triangle fan to triangle list
/// This is used to speed up surface warping by using an index buffer
/// </summary>
public int[] BuildSurfaceIndex(CModel.SMSurface surf)
{
List<int> ib = new List<int>();
ib.Clear();
for (int i = 0; i < surf.polys.Length; i++)
{
for (int j = 2; j < surf.polys[i].verts.Length; j++)
{
ib.Add(surf.polys[i].verts[0].offset);
ib.Add(surf.polys[i].verts[j - 1].offset);
ib.Add(surf.polys[i].verts[j].offset);
}
}
return ib.ToArray();
}
public void BuildPolygonFromSurface(ref CModel.SMSurface surf)
{
// most parts of the BuildWorld() function in CMain could be done here
// if so, the polygons needs to be subdivided first most likely
// see the function calling this function
}
public void SetCacheState(ref CModel.SMSurface surf)
{
surf.cached_light = new float[CQ2BSP.MAXLIGHTMAPS];
for(int maps = 0; maps < CQ2BSP.MAXLIGHTMAPS && surf.styles[maps] != 255; maps++)
{
surf.cached_light[maps] = CClient.cl.RefDef.lightstyles[surf.styles[maps]].white;
}
}
private void Mod_LoadSubmodels(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<SDModel> DModel = new List<SDModel>();
List<CModel.SMModel> MModel = new List<CModel.SMModel>();
br.BaseStream.Seek(header.lumps[LUMP_MODELS].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_MODELS].fileofs + header.lumps[LUMP_MODELS].filelen))
{
SDModel _DModel;
_DModel.mins = new float[3];
_DModel.mins[0] = br.ReadSingle();
_DModel.mins[1] = br.ReadSingle();
_DModel.mins[2] = br.ReadSingle();
_DModel.maxs = new float[3];
_DModel.maxs[0] = br.ReadSingle();
_DModel.maxs[1] = br.ReadSingle();
_DModel.maxs[2] = br.ReadSingle();
_DModel.origin = new float[3];
_DModel.origin[0] = br.ReadSingle();
_DModel.origin[1] = br.ReadSingle();
_DModel.origin[2] = br.ReadSingle();
_DModel.headnode = br.ReadInt32();
_DModel.firstface = br.ReadInt32();
_DModel.numfaces = br.ReadInt32();
DModel.Add(_DModel);
}
for (int i = 0; i < DModel.Count; i++)
{
CModel.SMModel _MModel;
_MModel.bounds.Min.X = DModel[i].mins[0] - 1;
_MModel.bounds.Min.Y = DModel[i].mins[1] - 1;
_MModel.bounds.Min.Z = DModel[i].mins[2] - 1;
_MModel.bounds.Max.X = DModel[i].maxs[0] + 1;
_MModel.bounds.Max.Y = DModel[i].maxs[1] + 1;
_MModel.bounds.Max.Z = DModel[i].maxs[2] + 1;
_MModel.origin.X = DModel[i].origin[0];
_MModel.origin.Y = DModel[i].origin[1];
_MModel.origin.Z = DModel[i].origin[2];
_MModel.radius = RadiusFromBounds(_MModel.bounds);
_MModel.headnode = DModel[i].headnode;
_MModel.firstface = DModel[i].firstface;
_MModel.numfaces = DModel[i].numfaces;
_MModel.visleafs = 0;
MModel.Add(_MModel);
}
_SModel.numsubmodels = MModel.Count;
_SModel.submodels = MModel.ToArray();
}
public void R_DrawBrushModel(CModel.SEntities _CurrentEntity)
{
Matrix wMatrix;
//EffectParameter EP;
Vector3 mins;
Vector3 maxs;
bool rotated;
// update HLSL variables
CProgram.gQ2Game.gCMain.UpdateHLSL(-1);
// sort textures and surfaces
if (CProgram.gQ2Game.gCMain.MarkSurfaceSetupStatic(ref _CurrentEntity.Model) == false)
return;
// set vertex buffer
CProgram.gQ2Game.gGraphicsDevice.SetVertexBuffer(_CurrentEntity.Model.vbWorldSolid);
if (_CurrentEntity.Angles.X != 0.0f || _CurrentEntity.Angles.Y != 0.0f || _CurrentEntity.Angles.Z != 0.0f)
{
rotated = true;
mins.X = _CurrentEntity.Origin.X - _CurrentEntity.Model.radius;
mins.Y = _CurrentEntity.Origin.Y - _CurrentEntity.Model.radius;
mins.Z = _CurrentEntity.Origin.Z - _CurrentEntity.Model.radius;
maxs.X = _CurrentEntity.Origin.X + _CurrentEntity.Model.radius;
maxs.Y = _CurrentEntity.Origin.Y + _CurrentEntity.Model.radius;
maxs.Z = _CurrentEntity.Origin.Z + _CurrentEntity.Model.radius;
}
else
{
rotated = false;
mins.X = _CurrentEntity.Origin.X + _CurrentEntity.Model.mins.X;
mins.Y = _CurrentEntity.Origin.Y + _CurrentEntity.Model.mins.Y;
mins.Z = _CurrentEntity.Origin.Z + _CurrentEntity.Model.mins.Z;
maxs.X = _CurrentEntity.Origin.X + _CurrentEntity.Model.maxs.X;
maxs.Y = _CurrentEntity.Origin.Y + _CurrentEntity.Model.maxs.Y;
maxs.Z = _CurrentEntity.Origin.Z + _CurrentEntity.Model.maxs.Z;
}
//if (R_CullBox(mins, maxs))
// return;
CMain.ModelOrigin.X = CClient.cl.RefDef.ViewOrigin.X - _CurrentEntity.Origin.X;
CMain.ModelOrigin.Y = CClient.cl.RefDef.ViewOrigin.Y - _CurrentEntity.Origin.Y;
CMain.ModelOrigin.Z = CClient.cl.RefDef.ViewOrigin.Z - _CurrentEntity.Origin.Z;
if (rotated == true)
{
Vector3 temp;
Vector3 forward, right, up;
temp.X = CMain.ModelOrigin.X;
temp.Y = CMain.ModelOrigin.Y;
temp.Z = CMain.ModelOrigin.Z;
forward = Vector3.Zero;
right = Vector3.Zero;
up = Vector3.Zero;
CShared.AngleVectors(_CurrentEntity.Angles, ref forward, ref right, ref up);
CMain.ModelOrigin.X = Vector3.Dot(temp, forward);
CMain.ModelOrigin.Y = -Vector3.Dot(temp, right);
CMain.ModelOrigin.Z = Vector3.Dot(temp, up);
}
if (rotated == false)
{
wMatrix = Matrix.CreateFromYawPitchRoll(_CurrentEntity.Angles.Y, _CurrentEntity.Angles.X, _CurrentEntity.Angles.Z);
wMatrix *= Matrix.CreateTranslation(_CurrentEntity.Origin);
}
else
{
wMatrix = Matrix.CreateTranslation(_CurrentEntity.Origin);
}
// update HLSL variables
CProgram.gQ2Game.gEffect.Parameters["xWorld"].SetValue(wMatrix);
// set a rendering technique
if ((_CurrentEntity.Model.Flags & CQ2MD2.EModelFlags.RF_TRANSLUCENT) == CQ2MD2.EModelFlags.RF_TRANSLUCENT)
CProgram.gQ2Game.gEffect.CurrentTechnique = CProgram.gQ2Game.gEffect.Techniques["TexturedTranslucent"];
else
{
if (CProgram.gQ2Game.gCMain.r_hardwarelight == false)
CProgram.gQ2Game.gEffect.CurrentTechnique = CProgram.gQ2Game.gEffect.Techniques["TexturedLightmap"];
else
CProgram.gQ2Game.gEffect.CurrentTechnique = CProgram.gQ2Game.gEffect.Techniques["TexturedLight"];
}
// jkrige TODO - probably need to update this since most brushmodels can translate/rotate
// save effect parameter collection shortcut
//EP = CProgram.gQ2Game.gEffect.Parameters["lights"];
for (int i = 0; i < _CurrentEntity.Model.nummodelsurfaces; i++)
{
int surf = _CurrentEntity.Model.firstmodelsurface + i;
// update surface HLSL variables
CProgram.gQ2Game.gCMain.UpdateHLSL(surf);
// set lights for current surface
//for (int k = 0; k < CProgram.gQ2Game.gCMain.r_maxLights; k++)
//{
// _CurrentEntity.Model.lights[CQ2BSP.SWorldData.surfaces[surf].lightIndex[k]].SetLight(EP.Elements[k]);
//}
}
for (int i = 0; i < _CurrentEntity.Model.lSChainLightmap.Count; i++)
{
// bind new lightmap
int lightmaptexturenum = _CurrentEntity.Model.lSChainLightmap[i].lightmaptexturenum;
CProgram.gQ2Game.gEffect.Parameters["xTextureLightmap"].SetValue(CQ2BSP.SWorldData.WorldLightmaps[lightmaptexturenum]);
for (int j = 0; j < _CurrentEntity.Model.lSChainLightmap[i].TexInfo.Count; j++)
{
// bind new texture
int texanim = CProgram.gQ2Game.gCMain.TextureAnimation(_CurrentEntity.Model.lSChainLightmap[i].TexInfo[j].texinfo);
int texinfo = _CurrentEntity.Model.lSChainLightmap[i].TexInfo[j].texinfo;
CProgram.gQ2Game.gEffect.Parameters["xTextureDiffuse"].SetValue(CQ2BSP.SWorldData.WorldTextures[CQ2BSP.SWorldData.texinfo[texanim].image].Tex2D);
// set the indices
CProgram.gQ2Game.gGraphicsDevice.Indices = _CurrentEntity.Model.ibWorldSolid[lightmaptexturenum, texinfo].ibBuffer;
foreach (EffectPass pass in CProgram.gQ2Game.gEffect.CurrentTechnique.Passes)
{
pass.Apply();
CProgram.gQ2Game.gGraphicsDevice.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
0,
0,
_CurrentEntity.Model.vbWorldSolid.VertexCount,
0,
_CurrentEntity.Model.ibWorldSolid[lightmaptexturenum, texinfo].PrimitiveCount);
}
CMain.c_brush_polys += _CurrentEntity.Model.ibWorldSolid[lightmaptexturenum, texinfo].PrimitiveCount;
}
}
}
public void Mod_LoadBrushModel(ref CModel.SModel _SModel, MemoryStream ms)
{
SDHeader header;
List<SLump> lumps;
BinaryReader br;
ms.Seek(0, System.IO.SeekOrigin.Begin);
br = new BinaryReader(ms);
if (worldMapLoaded == true)
{
CMain.Error(CMain.EErrorParm.ERR_FATAL, "ERROR: attempted to redundantly load world map");
return;
}
worldMapLoaded = true;
_SModel.ModType = CModel.EModType.MOD_BRUSH;
header.ident = br.ReadInt32();
if (header.ident != IDBSPHEADER)
{
CMain.Error(CMain.EErrorParm.ERR_WARNING, "RE_LoadWorldMap: " + _SModel.name + " has wrong identity.");
return;
}
header.version = br.ReadInt32();
if (header.version != BSP_VERSION)
{
CMain.Error(CMain.EErrorParm.ERR_FATAL, "RE_LoadWorldMap: " + _SModel.name + " has wrong version number (" + header.version.ToString() + " should be " + BSP_VERSION.ToString() + ")");
return;
}
lumps = new List<SLump>();
for (int i = 0; i < HEADER_LUMPS; i++)
{
SLump _lump;
_lump.fileofs = br.ReadInt32();
_lump.filelen = br.ReadInt32();
lumps.Add(_lump);
}
header.lumps = lumps.ToArray();
CProgram.gQ2Game.gCMain.gCImage.StartWAL(ref _SModel);
// load into heap
Mod_LoadVertexes(header, ref _SModel, ref br);
Mod_LoadEdges(header, ref _SModel, ref br);
Mod_LoadSurfedges(header, ref _SModel, ref br);
Mod_LoadLighting(header, ref _SModel, ref br);
Mod_LoadPlanes(header, ref _SModel, ref br);
Mod_LoadTexinfo(header, ref _SModel, ref br);
Mod_LoadFaces(header, ref _SModel, ref br);
Mod_LoadMarksurfaces(header, ref _SModel, ref br);
Mod_LoadVisibility(header, ref _SModel, ref br);
Mod_LoadNodesAndLeafs(header, ref _SModel, ref br);
Mod_LoadSubmodels(header, ref _SModel, ref br);
Mod_LoadAreas(header, ref _SModel, ref br);
Mod_LoadAreaPortals(header, ref _SModel, ref br);
Mod_LoadEntityString(header, ref _SModel, ref br);
_SModel.numframes = 2;
// set up the submodels
for (int i = 0; i < _SModel.numsubmodels; i++)
{
CModel.SMModel bm;
CModel.SModel starmod;
bm = _SModel.submodels[i];
starmod = CProgram.gQ2Game.gCMain.gCModel.mod_inline[i];
starmod.ModType = CModel.EModType.MOD_BRUSH;
starmod.firstmodelsurface = bm.firstface;
starmod.nummodelsurfaces = bm.numfaces;
starmod.firstnode = bm.headnode;
if (starmod.firstnode >= _SModel.numnodes)
System.Diagnostics.Debug.WriteLine("Inline model " + i.ToString() + " has bad firstnode");
starmod.maxs = bm.bounds.Max;
starmod.mins = bm.bounds.Min;
starmod.radius = bm.radius;
starmod.numleafs = bm.visleafs;
CProgram.gQ2Game.gCMain.gCModel.mod_inline[i] = starmod;
}
CProgram.gQ2Game.gCMain.gCImage.FinalizeWAL(ref _SModel);
portalopen = new bool[MAX_MAP_AREAPORTALS];
FloodAreaConnections(ref _SModel);
}
// ================================================================
//
// AREAPORTALS
//
// ================================================================
public void FloodArea_r(CModel.SModel _SModel, ref CModel.SMArea area, int floodnum)
{
if (area.floodvalid == floodvalid)
{
if (area.floodnum == floodnum)
return;
System.Diagnostics.Debug.WriteLine("FloodArea_r: reflooded");
return;
}
area.floodnum = floodnum;
area.floodvalid = floodvalid;
for (int i = 0; i < area.numareaportals; i++)
{
if (portalopen[_SModel.areaportals[area.firstareaportal + i].portalnum] == true)
FloodArea_r(_SModel, ref _SModel.areas[_SModel.areaportals[area.firstareaportal + i].otherarea], floodnum);
}
}
public void FloodAreaConnections(ref CModel.SModel _SModel)
{
int floodnum;
// all current floods are now invalid
floodvalid++;
floodnum = 0;
// area 0 is not used
for (int i = 1; i < _SModel.numareas; i++)
{
if (_SModel.areas[i].floodvalid == floodvalid)
continue; // already flooded into
floodnum++;
FloodArea_r(_SModel, ref _SModel.areas[i], floodnum);
}
}
private void Mod_SetParent(ref CModel.SModel _SModel, int idx_node, int idx_parent)
{
_SModel.nodes[idx_node].parent = idx_parent;
if (_SModel.nodes[idx_node].contents != -1)
return;
Mod_SetParent(ref _SModel, _SModel.nodes[idx_node].children[0], idx_node);
Mod_SetParent(ref _SModel, _SModel.nodes[idx_node].children[1], idx_node);
}
private void Mod_LoadVisibility(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
int pos_visdata = 0;
br.BaseStream.Seek(header.lumps[LUMP_VISIBILITY].fileofs, System.IO.SeekOrigin.Begin);
if (header.lumps[LUMP_VISIBILITY].filelen == 0)
{
_SModel.vis.numclusters = 0;
_SModel.vis.bitofs = null;
_SModel.visdata = null;
return;
}
_SModel.vis.numclusters = br.ReadInt32();
_SModel.vis.bitofs = new int[_SModel.vis.numclusters, 2];
for (int i = 0; i < _SModel.vis.numclusters; i++)
{
_SModel.vis.bitofs[i, DVIS_PVS] = br.ReadInt32();
_SModel.vis.bitofs[i, DVIS_PHS] = br.ReadInt32();
// decrement the offsets, because the data is stored in a seperate byte array
_SModel.vis.bitofs[i, DVIS_PVS] -= 4 + ((4 * _SModel.vis.numclusters * 2));
_SModel.vis.bitofs[i, DVIS_PHS] -= 4 + ((4 * _SModel.vis.numclusters * 2));
}
_SModel.visdata = new byte[(header.lumps[LUMP_VISIBILITY].fileofs + header.lumps[LUMP_VISIBILITY].filelen) - br.BaseStream.Position];
while (br.BaseStream.Position < (header.lumps[LUMP_VISIBILITY].fileofs + header.lumps[LUMP_VISIBILITY].filelen))
{
_SModel.visdata[pos_visdata++] = br.ReadByte();
}
}
private void Mod_LoadVertexes(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<CModel.SMVertex> MVertex = new List<CModel.SMVertex>();
br.BaseStream.Seek(header.lumps[LUMP_VERTEXES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_VERTEXES].fileofs + header.lumps[LUMP_VERTEXES].filelen))
{
CModel.SMVertex _MVertex;
_MVertex.Position.X = br.ReadSingle();
_MVertex.Position.Y = br.ReadSingle();
_MVertex.Position.Z = br.ReadSingle();
MVertex.Add(_MVertex);
}
_SModel.numvertexes = MVertex.Count;
_SModel.vertexes = MVertex.ToArray();
}
private void Mod_LoadNodesAndLeafs(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<SDNode> DNode = new List<SDNode>();
List<SDLeaf> DLeaf = new List<SDLeaf>();
List<CModel.SMNode> MNode = new List<CModel.SMNode>();
// load nodes
br.BaseStream.Seek(header.lumps[LUMP_NODES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_NODES].fileofs + header.lumps[LUMP_NODES].filelen))
{
SDNode _DNode;
_DNode.planenum = br.ReadInt32();
_DNode.children = new int[2];
_DNode.children[0] = br.ReadInt32();
_DNode.children[1] = br.ReadInt32();
_DNode.mins = new short[3];
_DNode.mins[0] = br.ReadInt16();
_DNode.mins[1] = br.ReadInt16();
_DNode.mins[2] = br.ReadInt16();
_DNode.maxs = new short[3];
_DNode.maxs[0] = br.ReadInt16();
_DNode.maxs[1] = br.ReadInt16();
_DNode.maxs[2] = br.ReadInt16();
_DNode.firstface = br.ReadUInt16();
_DNode.numfaces = br.ReadUInt16();
DNode.Add(_DNode);
}
for (int i = 0; i < DNode.Count; i++)
{
CModel.SMNode _MNode;
int p;
_MNode.bounds.Min.X = DNode[i].mins[0];
_MNode.bounds.Min.Y = DNode[i].mins[1];
_MNode.bounds.Min.Z = DNode[i].mins[2];
_MNode.bounds.Max.X = DNode[i].maxs[0];
_MNode.bounds.Max.Y = DNode[i].maxs[1];
_MNode.bounds.Max.Z = DNode[i].maxs[2];
_MNode.plane = DNode[i].planenum;
_MNode.firstsurface = DNode[i].firstface;
_MNode.numsurfaces = DNode[i].numfaces;
_MNode.contents = -1; // differentiate from leafs
_MNode.children = new int[2];
for (int j = 0; j < 2; j++)
{
p = DNode[i].children[j];
if (p >= 0)
_MNode.children[j] = p;
else
_MNode.children[j] = DNode.Count + (-1 - p);
}
_MNode.parent = 0;
_MNode.visframe = 0;
// leaf specific
_MNode.cluster = 0;
_MNode.area = 0;
_MNode.firstmarksurface = 0;
_MNode.nummarksurfaces = 0;
MNode.Add(_MNode);
}
// load leafs
br.BaseStream.Seek(header.lumps[LUMP_LEAFS].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_LEAFS].fileofs + header.lumps[LUMP_LEAFS].filelen))
{
SDLeaf _DLeaf;
_DLeaf.contents = br.ReadInt32();
_DLeaf.cluster = br.ReadInt16();
_DLeaf.area = br.ReadInt16();
_DLeaf.mins = new short[3];
_DLeaf.mins[0] = br.ReadInt16();
_DLeaf.mins[1] = br.ReadInt16();
_DLeaf.mins[2] = br.ReadInt16();
_DLeaf.maxs = new short[3];
_DLeaf.maxs[0] = br.ReadInt16();
_DLeaf.maxs[1] = br.ReadInt16();
_DLeaf.maxs[2] = br.ReadInt16();
_DLeaf.firstleafface = br.ReadUInt16();
_DLeaf.numleaffaces = br.ReadUInt16();
_DLeaf.firstleafbrush = br.ReadUInt16();
_DLeaf.numleafbrushes = br.ReadUInt16();
DLeaf.Add(_DLeaf);
}
for (int i = 0; i < DLeaf.Count; i++)
{
CModel.SMNode _MNode;
_MNode.bounds.Min.X = DLeaf[i].mins[0];
_MNode.bounds.Min.Y = DLeaf[i].mins[1];
_MNode.bounds.Min.Z = DLeaf[i].mins[2];
_MNode.bounds.Max.X = DLeaf[i].maxs[0];
_MNode.bounds.Max.Y = DLeaf[i].maxs[1];
_MNode.bounds.Max.Z = DLeaf[i].maxs[2];
_MNode.contents = DLeaf[i].contents;
_MNode.cluster = DLeaf[i].cluster;
_MNode.area = DLeaf[i].area;
_MNode.firstmarksurface = DLeaf[i].firstleafface;
_MNode.nummarksurfaces = DLeaf[i].numleaffaces;
_MNode.parent = 0;
_MNode.visframe = 0;
// node specific
_MNode.plane = 0;
_MNode.firstsurface = 0;
_MNode.numsurfaces = 0;
_MNode.children = null;
MNode.Add(_MNode);
}
_SModel.numnodes = DNode.Count + DLeaf.Count;
_SModel.numDecisionNodes = DNode.Count;
_SModel.numleafs = DLeaf.Count;
_SModel.nodes = MNode.ToArray();
// chain decendants
Mod_SetParent(ref _SModel, 0, -1);
}
private void Mod_LoadPlanes(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
int bits;
float[] normal = new float[3];
List<CShared.SCPlane> CPlane = new List<CShared.SCPlane>();
br.BaseStream.Seek(header.lumps[LUMP_PLANES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_PLANES].fileofs + header.lumps[LUMP_PLANES].filelen))
{
CShared.SCPlane _CPlane;
normal[0] = 0.0f;
normal[1] = 0.0f;
normal[2] = 0.0f;
bits = 0;
for (int j = 0; j < 3; j++)
{
normal[j] = br.ReadSingle();
if (normal[j] < 0)
bits |= 1 << j;
}
_CPlane.normal.X = normal[0];
_CPlane.normal.Y = normal[1];
_CPlane.normal.Z = normal[2];
_CPlane.dist = br.ReadSingle();
_CPlane.type = (byte)br.ReadInt32();
_CPlane.signbits = (byte)bits;
_CPlane.pad = new byte[2];
CPlane.Add(_CPlane);
}
_SModel.planes = CPlane.ToArray();
_SModel.numplanes = _SModel.planes.Length;
}
private void Mod_LoadAreaPortals(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<SDAreaPortal> DAreaPortal = new List<SDAreaPortal>();
List<CModel.SMAreaPortal> MAreaPortal = new List<CModel.SMAreaPortal>();
br.BaseStream.Seek(header.lumps[LUMP_AREAPORTALS].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_AREAPORTALS].fileofs + header.lumps[LUMP_AREAPORTALS].filelen))
{
SDAreaPortal _DAreaPortal;
_DAreaPortal.portalnum = br.ReadInt32();
_DAreaPortal.otherarea = br.ReadInt32();
DAreaPortal.Add(_DAreaPortal);
}
for (int i = 0; i < DAreaPortal.Count; i++)
{
CModel.SMAreaPortal _MAreaPortal;
_MAreaPortal.portalnum = DAreaPortal[i].portalnum;
_MAreaPortal.otherarea = DAreaPortal[i].otherarea;
MAreaPortal.Add(_MAreaPortal);
}
_SModel.numareaportals = MAreaPortal.Count;
_SModel.areaportals = MAreaPortal.ToArray();
}
private void Mod_LoadSurfedges(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<int> DSurfEdge = new List<int>();
br.BaseStream.Seek(header.lumps[LUMP_SURFEDGES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_SURFEDGES].fileofs + header.lumps[LUMP_SURFEDGES].filelen))
{
DSurfEdge.Add(br.ReadInt32());
}
_SModel.numsurfedges = DSurfEdge.Count;
_SModel.surfedges = DSurfEdge.ToArray();
}
private void Mod_LoadAreas(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<SDArea> DArea = new List<SDArea>();
List<CModel.SMArea> MArea = new List<CModel.SMArea>();
br.BaseStream.Seek(header.lumps[LUMP_AREAS].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_AREAS].fileofs + header.lumps[LUMP_AREAS].filelen))
{
SDArea _DArea;
_DArea.numareaportals = br.ReadInt32();
_DArea.firstareaportal = br.ReadInt32();
DArea.Add(_DArea);
}
for (int i = 0; i < DArea.Count; i++)
{
CModel.SMArea _MArea;
_MArea.numareaportals = DArea[i].numareaportals;
_MArea.firstareaportal = DArea[i].firstareaportal;
_MArea.floodvalid = 0;
_MArea.floodnum = 0;
MArea.Add(_MArea);
}
_SModel.numareas = MArea.Count;
_SModel.areas = MArea.ToArray();
}
/// <summary>
/// R_BuildLightMap
/// ---------------
/// Combine and scale multiple lightmaps into the floating format in blocklights
/// </summary>
public void BuildLightMap(CModel.SModel _SModel, ref CModel.SMSurface surf, int dest_pos, ref byte[] dest, int stride)
{
int smax, tmax;
int r, g, b, a, max;
int size;
int lightmap;
float[] scale;
int nummaps;
float[] bl;
CLocal.SLightStyle style;
int bl_pos;
float modulate = 1.0f;
if (
(_SModel.texinfo[surf.texinfo].flags & CQ2BSP.ESurface.SURF_SKY) == CQ2BSP.ESurface.SURF_SKY
| (_SModel.texinfo[surf.texinfo].flags & CQ2BSP.ESurface.SURF_TRANS33) == CQ2BSP.ESurface.SURF_TRANS33
| (_SModel.texinfo[surf.texinfo].flags & CQ2BSP.ESurface.SURF_TRANS66) == CQ2BSP.ESurface.SURF_TRANS66
| (_SModel.texinfo[surf.texinfo].flags & CQ2BSP.ESurface.SURF_WARP) == CQ2BSP.ESurface.SURF_WARP
)
{
CMain.Error(CMain.EErrorParm.ERR_WARNING, "BuildLightMap called for non-lit surface");
}
smax = (surf.extents[0] >> 4) + 1;
tmax = (surf.extents[1] >> 4) + 1;
size = smax * tmax;
if (size > ((sizeof(float) * s_blocklights.Length) >> 4))
CMain.Error(CMain.EErrorParm.ERR_WARNING, "Bad s_blocklights size");
// set to full bright if no light data
if (surf.samples == -1)
{
for (int i = 0; i < size * 3; i++)
{
s_blocklights[i] = 255;
}
for (int maps = 0; maps < CQ2BSP.MAXLIGHTMAPS && surf.styles[maps] != 255; maps++)
{
style = CClient.cl.RefDef.lightstyles[surf.styles[maps]];
}
goto store;
}
// count the # of maps
for (nummaps = 0; nummaps < CQ2BSP.MAXLIGHTMAPS && surf.styles[nummaps] != 255; nummaps++) ;
lightmap = surf.samples;
// add all the lightmaps
if (nummaps == 1)
{
scale = new float[3];
for (int maps = 0; maps < CQ2BSP.MAXLIGHTMAPS && surf.styles[maps] != 255; maps++)
{
bl = s_blocklights;
bl_pos = 0;
for (int i = 0; i < 3; i++)
{
scale[i] = modulate * CClient.cl.RefDef.lightstyles[surf.styles[maps]].rgb[i];
}
if (scale[0] == 1.0f && scale[1] == 1.0f && scale[2] == 1.0f)
{
for (int i = 0; i < size; i++, bl_pos += 3)
{
bl[bl_pos + 0] = _SModel.lightdata[lightmap + (i * 3) + 0];
bl[bl_pos + 1] = _SModel.lightdata[lightmap + (i * 3) + 1];
bl[bl_pos + 2] = _SModel.lightdata[lightmap + (i * 3) + 2];
}
}
else
{
for (int i = 0; i < size; i++, bl_pos += 3)
{
bl[bl_pos + 0] = _SModel.lightdata[lightmap + (i * 3) + 0] * scale[0];
bl[bl_pos + 1] = _SModel.lightdata[lightmap + (i * 3) + 1] * scale[1];
bl[bl_pos + 2] = _SModel.lightdata[lightmap + (i * 3) + 2] * scale[2];
}
}
// skip to next lightmap
lightmap += size * 3;
}
}
else
{
scale = new float[3];
for (int i = 0; i < (sizeof(float) * size * 3); i++)
{
s_blocklights[i] = 0;
}
for (int maps = 0; maps < CQ2BSP.MAXLIGHTMAPS && surf.styles[maps] != 255; maps++)
{
bl = s_blocklights;
bl_pos = 0;
for (int i = 0; i < 3; i++)
{
scale[i] = modulate * CClient.cl.RefDef.lightstyles[surf.styles[maps]].rgb[i];
}
if (scale[0] == 1.0f && scale[1] == 1.0f && scale[2] == 1.0f)
{
for (int i = 0; i < size; i++, bl_pos += 3)
{
bl[bl_pos + 0] += _SModel.lightdata[lightmap + (i * 3) + 0];
bl[bl_pos + 1] += _SModel.lightdata[lightmap + (i * 3) + 1];
bl[bl_pos + 2] += _SModel.lightdata[lightmap + (i * 3) + 2];
}
}
else
{
for (int i = 0; i < size; i++, bl_pos += 3)
{
bl[bl_pos + 0] += _SModel.lightdata[lightmap + (i * 3) + 0] * scale[0];
bl[bl_pos + 1] += _SModel.lightdata[lightmap + (i * 3) + 1] * scale[1];
bl[bl_pos + 2] += _SModel.lightdata[lightmap + (i * 3) + 2] * scale[2];
}
}
// skip to next lightmap
lightmap += size * 3;
}
}
// add all the dynamic lights
//if (surf.dlightframe == CMain.r_framecount)
// R_AddDynamicLights(surf);
// put into texture format
store:
stride -= (smax << 2);
bl = s_blocklights;
bl_pos = 0;
for (int i = 0; i < tmax; i++, dest_pos += stride)
{
for (int j = 0; j < smax; j++)
{
r = Convert.ToInt32(bl[bl_pos + 0]);
g = Convert.ToInt32(bl[bl_pos + 1]);
b = Convert.ToInt32(bl[bl_pos + 2]);
// catch negative lights
if (r < 0)
r = 0;
if (g < 0)
g = 0;
if (b < 0)
b = 0;
// determine the brightest of the three color components
if (r > g)
max = r;
else
max = g;
if (b > max)
max = b;
// alpha is ONLY used for the mono lightmap case. For this reason
// we set it to the brightest of the color components so that
// things don't get too dim.
a = max;
// rescale all the color components if the intensity of the greatest
// channel exceeds 1.0
if (max > 255)
{
float t = 255.0f / max;
r = (int)(r * t);
g = (int)(g * t);
b = (int)(b * t);
a = (int)(a * t);
}
dest[dest_pos + 0] = (byte)r;
dest[dest_pos + 1] = (byte)g;
dest[dest_pos + 2] = (byte)b;
dest[dest_pos + 3] = (byte)a;
bl_pos += 3;
dest_pos += 4;
}
}
}
private void Mod_LoadEdges(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<CModel.SMEdge> MEdge = new List<CModel.SMEdge>();
br.BaseStream.Seek(header.lumps[LUMP_EDGES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_EDGES].fileofs + header.lumps[LUMP_EDGES].filelen))
{
CModel.SMEdge _MEdge;
_MEdge.v = new ushort[2];
_MEdge.v[0] = br.ReadUInt16();
_MEdge.v[1] = br.ReadUInt16();
_MEdge.cachededgeoffset = 0;
MEdge.Add(_MEdge);
}
_SModel.numedges = MEdge.Count;
_SModel.edges = MEdge.ToArray();
}
/// <summary>
/// BuildSurfaceIndex
/// ------------------
/// Convert the surface's vertex format from triangle fan to triangle list
/// This is used to speed up surface warping by using an index buffer
/// </summary>
public void BuildSurfaceIndex(ref CModel.SMSurface surf)
{
List<int> ib;
//if ((surf.flags & CModel.EMSurface.SURF_DRAWTURB) != CModel.EMSurface.SURF_DRAWTURB)
// return;
ib = new List<int>();
ib.Clear();
for (int i = 0; i < surf.polys.Length; i++)
{
for (int j = 2; j < surf.polys[i].verts.Length; j++)
{
ib.Add(surf.polys[i].verts[0].offset);
ib.Add(surf.polys[i].verts[j - 1].offset);
ib.Add(surf.polys[i].verts[j].offset);
}
}
surf.ibData = ib.ToArray();
// setup the index buffer
if (CProgram.gQ2Game.gGraphicsDevice.GraphicsProfile == GraphicsProfile.HiDef)
{
surf.ibSurface = new IndexBuffer(CProgram.gQ2Game.gGraphicsDevice, IndexElementSize.ThirtyTwoBits /*typeof(int)*/, surf.ibData.Length, BufferUsage.WriteOnly);
surf.ibSurface.SetData(surf.ibData);
}
else
{
short[] ibData16 = new short[surf.ibData.Length];
for (int i = 0; i < surf.ibData.Length; i++)
ibData16[i] = (short)surf.ibData[i];
surf.ibSurface = new IndexBuffer(CProgram.gQ2Game.gGraphicsDevice, IndexElementSize.SixteenBits, ibData16.Length, BufferUsage.WriteOnly);
surf.ibSurface.SetData(ibData16);
}
//surf.ibSurface.SetData(surf.ibData);
}
private void Mod_LoadEntityString(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
if (header.lumps[LUMP_ENTITIES].filelen > MAX_MAP_ENTSTRING)
{
// entity string exceeds maximum
_SModel.map_entitystring = null;
return;
}
br.BaseStream.Seek(header.lumps[LUMP_ENTITIES].fileofs, System.IO.SeekOrigin.Begin);
if (br.BaseStream.Position < (header.lumps[LUMP_ENTITIES].fileofs + header.lumps[LUMP_ENTITIES].filelen))
{
_SModel.map_entitystring = CShared.Com_ToString(br.ReadChars(header.lumps[LUMP_ENTITIES].filelen));
_SModel.map_entitystring = _SModel.map_entitystring.Replace("\r", "").Replace("\n", "\r\n");
}
else
{
_SModel.map_entitystring = null;
}
}
/// <summary>
/// CreateSurfaceLightmap
/// ---------------------
/// Creates a lightmap surface
/// </summary>
public void CreateSurfaceLightmap(CModel.SModel _SModel, ref CModel.SMSurface surf)
{
int smax;
int tmax;
int bytepos;
if (
(surf.flags & CModel.EMSurface.SURF_DRAWSKY) == CModel.EMSurface.SURF_DRAWSKY
| (surf.flags & CModel.EMSurface.SURF_DRAWTURB) == CModel.EMSurface.SURF_DRAWTURB
)
{
return;
}
smax = (surf.extents[0] >> 4) + 1;
tmax = (surf.extents[1] >> 4) + 1;
if (LM_AllocBlock(smax, tmax, ref surf.light_s, ref surf.light_t) == false)
{
LM_UploadBlock(false);
LM_InitBlock();
if (LM_AllocBlock(smax, tmax, ref surf.light_s, ref surf.light_t) == false)
CMain.Error(CMain.EErrorParm.ERR_FATAL, "Consecutive calls to LM_AllocBlock(" + smax + "," + tmax + ") failed\n");
}
surf.lightmaptexturenum = CProgram.gQ2Game.gCMain.gCImage.current_lightmap_texture;
bytepos = (surf.light_t * BLOCK_WIDTH + surf.light_s) * LIGHTMAP_BYTES;
CProgram.gQ2Game.gCMain.gCLight.SetCacheState(ref surf);
CProgram.gQ2Game.gCMain.gCLight.BuildLightMap(_SModel, ref surf, bytepos, ref lms.lightmap_buffer, BLOCK_WIDTH * LIGHTMAP_BYTES);
}
private void Mod_LoadFaces(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<SDFace> DFace = new List<SDFace>();
List<CModel.SMSurface> MSurface = new List<CModel.SMSurface>();
br.BaseStream.Seek(header.lumps[LUMP_FACES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_FACES].fileofs + header.lumps[LUMP_FACES].filelen))
{
SDFace _DFace;
_DFace.planenum = br.ReadUInt16();
_DFace.side = br.ReadInt16();
_DFace.firstedge = br.ReadInt32();
_DFace.numedges = br.ReadInt16();
_DFace.texinfo = br.ReadInt16();
_DFace.styles = br.ReadBytes(MAXLIGHTMAPS);
_DFace.lightofs = br.ReadInt32();
DFace.Add(_DFace);
}
CProgram.gQ2Game.gCMain.gCSurface.BeginBuildingLightmaps(ref _SModel);
for (int i = 0; i < DFace.Count; i++)
{
CModel.SMSurface _MSurface;
int side;
short ti;
_MSurface.firstedge = DFace[i].firstedge;
_MSurface.numedges = DFace[i].numedges;
_MSurface.flags = 0;
_MSurface.polys = null;
_MSurface.ibSurface = null;
_MSurface.ibData = null;
side = DFace[i].side;
if (side != 0)
_MSurface.flags |= CModel.EMSurface.SURF_PLANEBACK;
_MSurface.plane = DFace[i].planenum;
_MSurface.plane2 = new Microsoft.Xna.Framework.Plane();
ti = DFace[i].texinfo;
if (ti < 0 || ti >= _SModel.numtexinfo)
CMain.Error(CMain.EErrorParm.ERR_WARNING, "MOD_LoadBmodel: bad texinfo number");
_MSurface.texinfo = ti;
_MSurface.bounds = CLocal.ClearBounds();
_MSurface.boundsMid.X = 0.0f;
_MSurface.boundsMid.Y = 0.0f;
_MSurface.boundsMid.Z = 0.0f;
_MSurface.lightIndex = null;
_MSurface.lightLength = null;
_MSurface.texturechain = 0;
_MSurface.visframe = 0;
// lighting info
_MSurface.dlightframe = 0;
_MSurface.dlightbits = 0;
_MSurface.lightmaptexturenum = 0;
_MSurface.styles = new byte[MAXLIGHTMAPS];
for (int j = 0; j < MAXLIGHTMAPS; j++)
{
_MSurface.styles[j] = DFace[i].styles[j];
}
_MSurface.cached_light = null;
_MSurface.samples = DFace[i].lightofs;
_MSurface.light_s = 0;
_MSurface.light_t = 0;
_MSurface.dlight_s = 0;
_MSurface.dlight_t = 0;
_MSurface.extents = null;
_MSurface.texturemins = null;
CModel.CalcSurfaceExtents(ref _SModel, ref _MSurface);
// set the drawing flags
if ((_SModel.texinfo[_MSurface.texinfo].flags & ESurface.SURF_WARP) == ESurface.SURF_WARP)
{
_MSurface.flags |= CModel.EMSurface.SURF_DRAWTURB;
for (int j = 0; j < 2; j++)
{
_MSurface.extents[j] = 16384;
_MSurface.texturemins[j] = -8192;
}
// TODO
// cut up polygon for warps
//SubdivideSurface(i, ref _WorldModel.mfaces[i]);
//SubdivideSurface (out);
}
// create lightmaps and polygons
if (
(_SModel.texinfo[_MSurface.texinfo].flags & ESurface.SURF_SKY) != ESurface.SURF_SKY
&& (_SModel.texinfo[_MSurface.texinfo].flags & ESurface.SURF_TRANS33) != ESurface.SURF_TRANS33
&& (_SModel.texinfo[_MSurface.texinfo].flags & ESurface.SURF_TRANS66) != ESurface.SURF_TRANS66
&& (_SModel.texinfo[_MSurface.texinfo].flags & ESurface.SURF_WARP) != ESurface.SURF_WARP
)
{
CProgram.gQ2Game.gCMain.gCSurface.CreateSurfaceLightmap(_SModel, ref _MSurface);
}
if ((_SModel.texinfo[_MSurface.texinfo].flags & ESurface.SURF_WARP) == ESurface.SURF_WARP)
CProgram.gQ2Game.gCMain.gCSurface.BuildPolygonFromSurface(ref _MSurface);
MSurface.Add(_MSurface);
}
CProgram.gQ2Game.gCMain.gCSurface.EndBuildingLightmaps(ref _SModel);
_SModel.numsurfaces = MSurface.Count;
_SModel.surfaces = MSurface.ToArray();
}
/// <summary>
/// SubdividePolygon
/// ----------------
/// Breaks a polygon up along axial 64 unit boundaries
/// so that turbulent and sky warps can be done reasonably.
/// </summary>
public void SubdividePolygon(CModel.SMSurface surf, ref List<CModel.SGLPoly> polys, int numverts, float[] verts)
{
float[] mins, maxs, dist;
float m;
float frac;
int i, j, k, v;
float[] Front, Back;
int f, b;
CModel.SGLPoly poly;
Vector3 total;
float total_s;
float total_t;
mins = new float[3];
maxs = new float[3];
dist = new float[64];
Front = new float[64 * 3];
Back = new float[64 * 3];
if (numverts > 60)
CMain.Error(CMain.EErrorParm.ERR_WARNING, "(error) numverts = " + numverts);
// Bind mins and maxs
BoundPoly(numverts, verts, ref mins, ref maxs);
for (i = 0; i < 3; i++)
{
m = (mins[i] + maxs[i]) * 0.5f;
m = SUBDIVIDE_SIZE * (float)Math.Floor(m / (float)SUBDIVIDE_SIZE + 0.5f);
if (maxs[i] - m < 8)
continue;
if (m - mins[i] < 8)
continue;
// cut it
v = i;
for (j = 0; j < numverts; j++, v += 3)
{
dist[j] = verts[v] - m;
}
// wrap cases
dist[j] = dist[0];
v -= i;
verts[v + 0] = verts[0 + 0];
verts[v + 1] = verts[0 + 1];
verts[v + 2] = verts[0 + 2];
f = 0;
b = 0;
v = 0;
for (j = 0; j < numverts; j++, v += 3)
{
if (dist[j] >= 0)
{
Front[(f * 3) + 0] = verts[v + 0];
Front[(f * 3) + 1] = verts[v + 1];
Front[(f * 3) + 2] = verts[v + 2];
f++;
}
if (dist[j] <= 0)
{
Back[(b * 3) + 0] = verts[v + 0];
Back[(b * 3) + 1] = verts[v + 1];
Back[(b * 3) + 2] = verts[v + 2];
b++;
}
if (dist[j] == 0 || dist[j + 1] == 0)
continue;
if ((dist[j] > 0) != (dist[j + 1] > 0))
{
// clip point
frac = dist[j] / (dist[j] - dist[j + 1]);
for (k = 0; k < 3; k++)
{
Front[(f * 3) + k] = Back[(b * 3) + k] = verts[v + k] + frac * (verts[3 + v + k] - verts[v + k]);
}
f++;
b++;
}
}
SubdividePolygon(surf, ref polys, f, Front);
SubdividePolygon(surf, ref polys, b, Back);
return;
}
// add a point in the center to help keep warp valid
poly.next = 0;
poly.chain = 0;
poly.numverts = numverts + 2;
poly.verts = new CModel.SPolyVerts[poly.numverts];
total = Vector3.Zero;
total_s = 0.0f;
total_t = 0.0f;
v = 0;
for (i = 0; i < numverts; i++, v += 3)
{
float s;
float t;
Vector3 vec0;
Vector3 vec1;
poly.verts[i + 1].vertex.Position.X = verts[v + 0];
poly.verts[i + 1].vertex.Position.Y = verts[v + 1];
poly.verts[i + 1].vertex.Position.Z = verts[v + 2];
vec0.X = CQ2BSP.SWorldData.texinfo[surf.texinfo].vecs[0].X;
vec0.Y = CQ2BSP.SWorldData.texinfo[surf.texinfo].vecs[0].Y;
vec0.Z = CQ2BSP.SWorldData.texinfo[surf.texinfo].vecs[0].Z;
vec1.X = CQ2BSP.SWorldData.texinfo[surf.texinfo].vecs[1].X;
vec1.Y = CQ2BSP.SWorldData.texinfo[surf.texinfo].vecs[1].Y;
vec1.Z = CQ2BSP.SWorldData.texinfo[surf.texinfo].vecs[1].Z;
s = Vector3.Dot(poly.verts[i + 1].vertex.Position, vec0);
t = Vector3.Dot(poly.verts[i + 1].vertex.Position, vec1);
total_s += s;
total_t += t;
total.X += verts[v + 0];
total.Y += verts[v + 1];
total.Z += verts[v + 2];
poly.verts[i + 1].vertex.TextureCoordinate.X = s;
poly.verts[i + 1].vertex.TextureCoordinate.Y = t;
poly.verts[i + 1].vertex.LightmapCoordinate.X = 0.0f;
poly.verts[i + 1].vertex.LightmapCoordinate.Y = 0.0f;
poly.verts[i + 1].vertex.Normal.X = 0.0f;
poly.verts[i + 1].vertex.Normal.Y = 0.0f;
poly.verts[i + 1].vertex.Normal.Z = 0.0f;
}
CShared.VectorScale(total, (1.0f / numverts), ref poly.verts[0].vertex.Position);
poly.verts[0].vertex.TextureCoordinate.X = total_s / numverts;
poly.verts[0].vertex.TextureCoordinate.Y = total_t / numverts;
// copy first vertex to last
poly.verts[i + 1] = poly.verts[1];
// insert centered point at first index
polys.Insert(0, poly);
}
private void Mod_LoadLighting(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
if (header.lumps[LUMP_LIGHTING].filelen == 0)
{
_SModel.lightdata = null;
return;
}
br.BaseStream.Seek(header.lumps[LUMP_LIGHTING].fileofs, System.IO.SeekOrigin.Begin);
_SModel.lightdata = br.ReadBytes(header.lumps[LUMP_LIGHTING].filelen);
}
private void Mod_LoadMarksurfaces(SDHeader header, ref CModel.SModel _SModel, ref System.IO.BinaryReader br)
{
List<int> MarkSurface = new List<int>();
br.BaseStream.Seek(header.lumps[LUMP_LEAFFACES].fileofs, System.IO.SeekOrigin.Begin);
while (br.BaseStream.Position < (header.lumps[LUMP_LEAFFACES].fileofs + header.lumps[LUMP_LEAFFACES].filelen))
{
int msurf = br.ReadInt16();
if (msurf < 0 || msurf >= _SModel.numsurfaces)
CMain.Error(CMain.EErrorParm.ERR_FATAL, "Mod_ParseMarksurfaces: bad surface number");
MarkSurface.Add(msurf);
}
_SModel.nummarksurfaces = MarkSurface.Count;
_SModel.marksurfaces = MarkSurface.ToArray();
}
/// <summary>
/// MarkSurfaceSetup
/// ----------------
/// Sort surfaces according to texture
/// </summary>
public bool MarkSurfaceSetupStatic(ref CModel.SModel _SModel)
{
List<int> indices;
if (_SModel.MarkSurfaceListStatic == null)
return false;
if (_SModel.MarkSurfaceListStatic.Count == 0)
return false;
// build lightmap/texture/surface chains
_SModel.lSChainLightmap = new List<SChainLightmap>();
for (int i = 0; i < _SModel.MarkSurfaceListStatic.Count; i++)
{
int idxLightmap = -1;
int idxTexture = -1;
int idxSurface = -1;
// check for lightmap modification
gCLight.LightmapAnimation(_SModel.MarkSurfaceListStatic[i].surf);
// generate lightmap list
for (int j = 0; j < _SModel.lSChainLightmap.Count; j++)
{
if (_SModel.lSChainLightmap[j].lightmaptexturenum == _SModel.MarkSurfaceListStatic[i].lightmaptexturenum)
{
idxLightmap = j;
break;
}
}
if (idxLightmap == -1)
{
SChainLightmap _SCLM;
_SCLM.lightmaptexturenum = _SModel.MarkSurfaceListStatic[i].lightmaptexturenum;
_SCLM.TexInfo = new List<SChainTexture>();
_SModel.lSChainLightmap.Add(_SCLM);
idxLightmap = _SModel.lSChainLightmap.Count - 1;
}
// generate texinfo list
SChainLightmap _SChainLightmap = _SModel.lSChainLightmap[idxLightmap];
for (int j = 0; j < _SChainLightmap.TexInfo.Count; j++)
{
if (_SChainLightmap.TexInfo[j].texinfo == _SModel.MarkSurfaceListStatic[i].texinfo)
{
idxTexture = j;
break;
}
}
if (idxTexture == -1)
{
SChainTexture _SCT;
_SCT.texinfo = _SModel.MarkSurfaceListStatic[i].texinfo;
_SCT.surf = new List<int>();
_SChainLightmap.TexInfo.Add(_SCT);
idxTexture = _SChainLightmap.TexInfo.Count - 1;
}
_SModel.lSChainLightmap[idxLightmap] = _SChainLightmap;
// generate surface list
SChainTexture _SChainTexture = _SModel.lSChainLightmap[idxLightmap].TexInfo[idxTexture];
for (int j = 0; j < _SChainTexture.surf.Count; j++)
{
if (_SChainTexture.surf[j] == _SModel.MarkSurfaceListStatic[i].surf)
{
idxSurface = j;
break;
}
}
if (idxSurface == -1)
{
_SChainTexture.surf.Add(_SModel.MarkSurfaceListStatic[i].surf);
idxSurface = _SChainTexture.surf.Count - 1;
}
_SModel.lSChainLightmap[idxLightmap].TexInfo[idxTexture] = _SChainTexture;
}
// build cluster-based index buffer
indices = new List<int>();
for (int i = 0; i < _SModel.lSChainLightmap.Count; i++)
{
for (int j = 0; j < _SModel.lSChainLightmap[i].TexInfo.Count; j++)
{
int[] idx1;
int[] idx2;
int lm = _SModel.lSChainLightmap[i].lightmaptexturenum;
int tx = _SModel.lSChainLightmap[i].TexInfo[j].texinfo;
bool isEqual = true;
indices.Clear();
for (int k = 0; k < _SModel.lSChainLightmap[i].TexInfo[j].surf.Count; k++)
{
int[] idx = gCSurface.BuildSurfaceIndex(CQ2BSP.SWorldData.surfaces[_SModel.lSChainLightmap[i].TexInfo[j].surf[k]]);
if (idx == null)
continue;
for (int l = 0; l < idx.Length; l++)
{
indices.Add(idx[l]);
}
}
idx1 = indices.ToArray();
idx2 = _SModel.ibWorldSolid[lm, tx].ibIndices;
if (idx2 != null)
{
if (idx1.Length == idx2.Length)
{
for (int k = 0; k < idx1.Length; k++)
{
if (idx1[k] != idx2[k])
{
isEqual = false;
break;
}
}
}
else
{
isEqual = false;
}
}
else
{
isEqual = false;
}
// re-build the index buffer the indices doesn't match
if(isEqual == false)
{
_SModel.ibWorldSolid[lm, tx].ibIndices = new int[idx1.Length];
for (int k = 0; k < idx1.Length; k++)
{
_SModel.ibWorldSolid[lm, tx].ibIndices[k] = idx1[k];
}
_SModel.ibWorldSolid[lm, tx].PrimitiveCount = _SModel.ibWorldSolid[lm, tx].ibIndices.Length / 3;
if (_SModel.ibWorldSolid[lm, tx].ibBuffer.IndexCount < idx1.Length)
{
_SModel.ibWorldSolid[lm, tx].ibBuffer.Dispose();
_SModel.ibWorldSolid[lm, tx].ibBuffer = null;
if (CProgram.gQ2Game.gGraphicsDevice.GraphicsProfile == GraphicsProfile.HiDef)
_SModel.ibWorldSolid[lm, tx].ibBuffer = new IndexBuffer(CProgram.gQ2Game.gGraphicsDevice, IndexElementSize.ThirtyTwoBits, idx1.Length, BufferUsage.WriteOnly);
else
_SModel.ibWorldSolid[lm, tx].ibBuffer = new IndexBuffer(CProgram.gQ2Game.gGraphicsDevice, IndexElementSize.SixteenBits, idx1.Length, BufferUsage.WriteOnly);
}
if (CProgram.gQ2Game.gGraphicsDevice.GraphicsProfile == GraphicsProfile.HiDef)
{
_SModel.ibWorldSolid[lm, tx].ibBuffer.SetData(_SModel.ibWorldSolid[lm, tx].ibIndices);
}
else
{
short[] ibData16 = new short[_SModel.ibWorldSolid[lm, tx].ibIndices.Length];
for (int k = 0; k < _SModel.ibWorldSolid[lm, tx].ibIndices.Length; k++)
ibData16[k] = (short)_SModel.ibWorldSolid[lm, tx].ibIndices[k];
_SModel.ibWorldSolid[lm, tx].ibBuffer.SetData(ibData16);
}
}
}
}
indices.Clear();
indices = null;
return true;
}
