bspface[] ReadFaces(int lump)
{
br.BaseStream.Seek(header.lumps [lump].fileofs, SeekOrigin.Begin);
int numFaces = header.lumps [lump].filelen / 56;
bspface[] temp = new bspface[numFaces];
for (int i = 0; i < numFaces; i++)
{
bspface face = new bspface();
face.planenum = br.ReadUInt16();
face.side = br.ReadByte();
face.onNode = br.ReadByte();
face.firstedge = br.ReadInt32();
face.numedges = br.ReadInt16();
face.texinfo = br.ReadInt16();
face.dispinfo = br.ReadInt16();
face.surfaceFogVolumeID = br.ReadInt16();
face.styles = br.ReadBytes(4);
face.lightofs = br.ReadInt32();
face.area = br.ReadSingle();
face.LightmapTextureMinsInLuxels = new int[] { br.ReadInt32(), br.ReadInt32() };
face.LightmapTextureSizeInLuxels = new int[] { br.ReadInt32(), br.ReadInt32() };
face.origFace = br.ReadInt32();
face.numPrims = br.ReadUInt16();
face.firstPrimID = br.ReadUInt16();
face.smoothingGroups = br.ReadUInt32();
temp[i] = face;
}
tempLog += ("Load: " + numFaces + " Faces \n");
//Debug.Log ("Load: "+numFaces+" Faces");
return(temp);
}
surface BuildDispFace(int faceIndex, int model, short dispinfoId)
{
Vector3[] vertices = new Vector3[4];
List <Vector3> disp_verts = new List <Vector3>();
List <Vector2> UVs = new List <Vector2>();
List <Color32> cols = new List <Color32>();
List <int> indices = new List <int>();
bspface curFace = map.facesLump[faceIndex];
bsptexinfo curTexInfo = map.texinfosLump[curFace.texinfo];
bsptexdata curTexData = map.texdataLump[curTexInfo.texdata];
int fEdge = curFace.firstedge;
for (int i = 0; i < curFace.numedges; i++)
{
vertices[i] = (map.surfedgesLump[fEdge + i] > 0 ?
map.vertexesLump[map.edgesLump[Mathf.Abs(map.surfedgesLump[fEdge + i])][0]] :
map.vertexesLump[map.edgesLump[Mathf.Abs(map.surfedgesLump[fEdge + i])][1]]);
}
bspdispinfo curDisp = map.dispinfoLump [dispinfoId];
Vector3 startPos = curDisp.startPosition;
float dist;
float minDist = 0.1f;
int minIndex = 0;
for (int i = 0; i < 4; i++)
{
dist = Vector3.Distance(startPos, vertices[i]);
if (dist < minDist)
{
minDist = dist;
minIndex = i;
}
}
Vector3 temp;
for (int i = 0; i < minIndex; i++)
{
temp = vertices[0];
vertices[0] = vertices[1];
vertices[1] = vertices[2];
vertices[2] = vertices[3];
vertices[3] = temp;
}
Vector3 leftEdge = vertices[1] - vertices[0];
Vector3 rightEdge = vertices[2] - vertices[3];
int numEdgeVertices = (1 << curDisp.power) + 1;
float subdivideScale = 1.0f / (float)(numEdgeVertices - 1);
Vector3 leftEdgeStep = leftEdge * subdivideScale;
Vector3 rightEdgeStep = rightEdge * subdivideScale;
int firstVertex = 0;
Vector3 leftEnd;
Vector3 rightEnd;
Vector3 leftRightSeg;
Vector3 leftRightStep;
int dispVertIndex;
bspDispVert dispVert;
Vector3 flatVertex;
Vector3 dispVertex;
float scaleU = (float)1f / curTexData.width;
float scaleV = (float)1f / curTexData.height;
for (int i = 0; i < numEdgeVertices; i++)
{
leftEnd = leftEdgeStep * (float)i;
leftEnd += vertices[0];
rightEnd = rightEdgeStep * (float)i;
rightEnd += vertices[3];
leftRightSeg = rightEnd - leftEnd;
leftRightStep = leftRightSeg * subdivideScale;
for (int j = 0; j < numEdgeVertices; j++)
{
dispVertIndex = curDisp.DispVertStart;
dispVertIndex += i * numEdgeVertices + j;
dispVert = map.dispVertsLump[dispVertIndex];
flatVertex = leftEnd + (leftRightStep * (float)j);
dispVertex = dispVert.vec * (dispVert.dist /* *scale*/);
dispVertex += flatVertex;
disp_verts.Add(dispVertex);
float tU = Vector3.Dot(flatVertex, curTexInfo.texvecs) + (curTexInfo.texoffs);
float tV = Vector3.Dot(flatVertex, curTexInfo.texvect) + (curTexInfo.texofft);
UVs.Add(new Vector2(tU * scaleU, tV * scaleV));
cols.Add(new Color32((byte)(dispVert.alpha), 0, 0, 0));
}
}
int curIndex;
for (int i = 0; i < numEdgeVertices - 1; i++)
{
for (int j = 0; j < numEdgeVertices - 1; j++)
{
curIndex = i * numEdgeVertices + j;
if ((curIndex % 2) == 1)
{
curIndex += firstVertex;
indices.Add(curIndex + 1);
indices.Add(curIndex);
indices.Add(curIndex + numEdgeVertices);
indices.Add(curIndex + numEdgeVertices + 1);
indices.Add(curIndex + 1);
indices.Add(curIndex + numEdgeVertices);
}
else
{
curIndex += firstVertex;
indices.Add(curIndex);
indices.Add(curIndex + numEdgeVertices);
indices.Add(curIndex + numEdgeVertices + 1);
indices.Add(curIndex + 1);
indices.Add(curIndex);
indices.Add(curIndex + numEdgeVertices + 1);
}
}
}
for (int i = 0; i < disp_verts.Count; i++)
{
disp_verts[i] *= uSrcSettings.Inst.worldScale;
}
surface f = new surface();
f.index = faceIndex;
//f.flags = flags;
f.dispinfo = dispinfoId;
f.points = disp_verts.ToArray();
f.uv = UVs.ToArray();
//f.uv2 = UV2s;
f.cols = cols.ToArray();
f.triangles = indices.ToArray();
//f.lightMapW = lightmapW;
//f.lightMapH = lightmapH;
return(f);
}
bool BuildFace(int index, ref Vector3[] verts, ref Vector2[] UVs, ref Vector2[] UV2s, ref int[] tris, int vertOffs, int triOffs)
{
bspface curface = map.facesLump[index];
int startEdge = curface.firstedge;
int nEdges = curface.numedges;
bsptexinfo texInfo = map.texinfosLump[curface.texinfo];
//Debug.Log("texinfo "+curface.texinfo+"/"+map.texinfosLump.Length);
int tiFlags = texInfo.flags;
int lightmapW = curface.LightmapTextureSizeInLuxels[0] + 1;
int lightmapH = curface.LightmapTextureSizeInLuxels[1] + 1;
int lmx = 0, lmy = 0;
if (uSrcSettings.Inst.lightmaps && (tiFlags & SourceBSPStructs.SURF_NOLIGHT) == 0)
{
if (!LM_AllocBlock(lightmapW, lightmapH, out lmx, out lmy))
{
Debug.LogWarning("LM_AllocBlock failed on face " + index);
return(false);
}
}
for (int i = 0; i < nEdges; i++)
{
//verts.Add( map.surfedgesLump[i]>0 ?
verts[vertOffs + i] = (map.vertexesLump[map.edgesLump[Math.Abs(map.surfedgesLump[startEdge + i])][map.surfedgesLump[startEdge + i] > 0?0:1]]);
}
int j = triOffs;
for (int i = 0; i < nEdges - 2; i++)
{
tris[j] = vertOffs;
tris[j + 1] = vertOffs + i + 1;
tris[j + 2] = vertOffs + i + 2;
j += 3;
}
float scales = map.texdataLump[texInfo.texdata].width * uSrcSettings.Inst.worldScale;
float scalet = map.texdataLump[texInfo.texdata].height * uSrcSettings.Inst.worldScale;
for (int i = 0; i < nEdges; i++)
{
float tU = Vector3.Dot(verts[vertOffs + i] * uSrcSettings.Inst.worldScale, texInfo.texvecs) + (texInfo.texoffs * uSrcSettings.Inst.worldScale);
float tV = Vector3.Dot(verts[vertOffs + i] * uSrcSettings.Inst.worldScale, texInfo.texvect) + (texInfo.texofft * uSrcSettings.Inst.worldScale);
UVs[vertOffs + i] = new Vector2(tU / scales, tV / scalet);
}
for (int i = 0; i < nEdges; i++)
{
float U, V;
if ((tiFlags & SourceBSPStructs.SURF_NOLIGHT) == 0)
{
U = Vector3.Dot(verts[vertOffs + i], texInfo.lightvecs) + texInfo.lightoffs + 0.5f - curface.LightmapTextureMinsInLuxels[0] + lmx;
V = Vector3.Dot(verts[vertOffs + i], texInfo.lightvect) + texInfo.lightofft + 0.5f - curface.LightmapTextureMinsInLuxels[1] + lmy;
}
else
{
U = BLOCK_SIZE - 2;
V = BLOCK_SIZE - 2;
}
UV2s[vertOffs + i] = new Vector2(U / BLOCK_SIZE, V / BLOCK_SIZE);
}
for (int i = 0; i < nEdges; i++)
{
verts[vertOffs + i] *= uSrcSettings.Inst.worldScale;
}
if (uSrcSettings.Inst.lightmaps && (tiFlags & SourceBSPStructs.SURF_NOLIGHT) == 0)
{
CreateLightmapTex(lightmapW, lightmapH, lmx, lmy, index);
}
return(true);
}
surface BuildFace(int index)
{
List <Vector3> verts = new List <Vector3>();
List <Vector2> UVs = new List <Vector2>();
List <Vector2> UV2s = new List <Vector2>();
List <int> tris = new List <int>();
bspface curface = map.facesLump[index];
int startEdge = curface.firstedge;
int nEdges = curface.numedges;
//Debug.Log("texinfo "+curface.texinfo+"/"+map.texinfosLump.Length);
int flags = map.texinfosLump [curface.texinfo].flags;
for (int i = startEdge; i < startEdge + nEdges; i++)
{
verts.Add(map.surfedgesLump[i] > 0 ?
map.vertexesLump[map.edgesLump[Mathf.Abs(map.surfedgesLump[i])][0]] :
map.vertexesLump[map.edgesLump[Mathf.Abs(map.surfedgesLump[i])][1]]);
}
for (int i = 1; i < verts.Count - 1; i++)
{
tris.Add(0);
tris.Add(i);
tris.Add(i + 1);
}
bsptexinfo texInfo = map.texinfosLump [map.facesLump [index].texinfo];
float scales = map.texdataLump[texInfo.texdata].width * uSrcSettings.Inst.worldScale;
float scalet = map.texdataLump[texInfo.texdata].height * uSrcSettings.Inst.worldScale;
for (int i = 0; i < verts.Count; i++)
{
float tU = Vector3.Dot(verts[i] * uSrcSettings.Inst.worldScale, texInfo.texvecs) + (texInfo.texoffs * uSrcSettings.Inst.worldScale);
float tV = Vector3.Dot(verts[i] * uSrcSettings.Inst.worldScale, texInfo.texvect) + (texInfo.texofft * uSrcSettings.Inst.worldScale);
UVs.Add(new Vector2(tU / scales, tV / scalet));
}
int lightmapW = (map.facesLump[index].LightmapTextureSizeInLuxels[0] + 1);
int lightmapH = (map.facesLump[index].LightmapTextureSizeInLuxels[1] + 1);
for (int i = 0; i < verts.Count; i++)
{
float U = Vector3.Dot(verts[i], texInfo.lightvecs) + texInfo.lightoffs + 0.5f - map.facesLump[index].LightmapTextureMinsInLuxels[0];
float V = Vector3.Dot(verts[i], texInfo.lightvect) + texInfo.lightofft + 0.5f - map.facesLump[index].LightmapTextureMinsInLuxels[1];
//U=(U*(float)((float)lightmapW/((float)lightmapW+2f)))+(1f/((float)lightmapW+2f));
//V=(V*(float)((float)lightmapH/((float)lightmapH+2f)))+(1f/((float)lightmapH+2f));
UV2s.Add(new Vector2(U / (lightmapW), V / (lightmapH)));
}
for (int i = 0; i < verts.Count; i++)
{
verts[i] *= uSrcSettings.Inst.worldScale;
}
int texID = map.texdataLump [map.texinfosLump [map.facesLump [index].texinfo].texdata].nameStringTableID;
surface f = new surface();
f.index = index;
f.flags = flags;
f.texID = texID;
f.dispinfo = curface.dispinfo;
f.points = verts.ToArray();
f.uv = UVs.ToArray();
f.uv2 = UV2s.ToArray();
f.triangles = tris.ToArray();
f.lightMapW = lightmapW;
f.lightMapH = lightmapH;
return(f);
}
