public void registerNeighbor(warp_Triangle triangle)
{
if (!neighbor.Contains(triangle))
{
neighbor.Add(triangle);
}
}
public void regenerateNormal()
{
float nx = 0;
float ny = 0;
float nz = 0;
for (int i = 0; i < neighbor.Count; ++i)
{
warp_Triangle tri = neighbor[i];
warp_Vector wn = tri.rawNorm;
nx += wn.x;
ny += wn.y;
nz += wn.z;
}
n = new warp_Vector(nx, ny, nz).normalize();
}
private warp_Triangle[] getTransparentQueue()
{
if (transparentQueue.Count == 0)
{
return(null);
}
IComparer comp = new tridistZDescCompare();
transparentQueue.Sort(comp);
warp_Triangle[] tri = new warp_Triangle[transparentQueue.Count];
int id = 0;
for (int i = 0; i < transparentQueue.Count; ++i)
{
tri[id++] = (warp_Triangle)transparentQueue[i];
}
//return sortTriangles(tri, 0, tri.GetLength(0) - 1);
return(tri);
}
public void removeTriangle(warp_Triangle t)
{
triangleData.Remove(t);
}
public void addTriangle(warp_Triangle newTriangle)
{
newTriangle.parent = this;
triangleData.Add(newTriangle);
dirty = true;
}
private void drawWireframe(warp_Triangle tri, int defaultcolor)
{
drawLine(tri.p1, tri.p2, defaultcolor);
drawLine(tri.p2, tri.p3, defaultcolor);
drawLine(tri.p3, tri.p1, defaultcolor);
}
public void render(warp_Triangle tri)
{
if (!ready || tri.parent == null)
{
return;
}
if ((mode & W) != 0)
{
drawWireframe(tri, color);
if ((mode & ~W) == 0)
{
return;
}
}
warp_Vertex p1 = tri.p1;
warp_Vertex p2 = tri.p2;
warp_Vertex p3 = tri.p3;
warp_Vertex tempVertex;
if (p1.y > p2.y)
{
tempVertex = p1;
p1 = p2;
p2 = tempVertex;
}
if (p2.y > p3.y)
{
tempVertex = p2;
p2 = p3;
p3 = tempVertex;
}
if (p1.y > p2.y)
{
tempVertex = p1;
p1 = p2;
p2 = tempVertex;
}
if (p1.y >= height)
{
return;
}
if (p3.y < 0)
{
return;
}
if (p1.y == p3.y)
{
return;
}
if (mode == F)
{
int lutID = (int)(tri.n2.x * 127 + 127) + ((int)(tri.n2.y * 127 + 127) << 8);
int c = warp_Color.multiply(color, diffuse[lutID]);
int s = warp_Color.scale(specular[lutID], reflectivity);
currentColor = warp_Color.add(c, s);
}
int x1 = p1.x << 8;
int x2 = p2.x << 8;
int x3 = p3.x << 8;
int y1 = p1.y;
int y2 = p2.y;
int y3 = p3.y;
dy = y2 - y1;
int dy31 = y3 - y1;
float tf = (float)dy / dy31;
int x4 = x1 + (int)((x3 - x1) * tf);
dx = (x4 - x2) >> 8;
if (dx == 0)
{
return;
}
x1 <<= 8;
x2 <<= 8;
x3 <<= 8;
x4 <<= 8;
//temp = (dy21 << 8) / dy31;
int z1 = p1.z;
int z3 = p3.z;
//z4 = z1 + ((z3 - z1) >> 8) * temp;
int z4 = z1 + (int)((z3 - z1) * tf);
int z2 = p2.z;
dz = (z4 - z2) / dx;
int nx1 = p1.nx;
int nx3 = p3.nx;
//nx4 = nx1 + ((nx3 - nx1) >> 8) * temp;
int nx4 = nx1 + (int)((nx3 - nx1) * tf);
int nx2 = p2.nx;
dnx = (nx4 - nx2) / dx;
int ny1 = p1.ny;
int ny3 = p3.ny;
//ny4 = ny1 + ((ny3 - ny1) >> 8) * temp;
int ny4 = ny1 + (int)((ny3 - ny1) * tf);
int ny2 = p2.ny;
dny = (ny4 - ny2) / dx;
float tx1 = p1.tx * tw;
float tx3 = p3.tx * tw;
float tx4 = tx1 + ((tx3 - tx1) * tf);
float tx2 = p2.tx * tw;
dtx = (tx4 - tx2) / dx;
float ty1 = p1.ty * th;
float ty3 = p3.ty * th;
float ty4 = ty1 + ((ty3 - ty1) * tf);
float ty2 = p2.ty * th;
dty = (ty4 - ty2) / dx;
float sw1 = p1.invZ;
float sw3 = p3.invZ;
float sw4 = sw1 + ((sw3 - sw1) * tf);
float sw2 = p2.invZ;
dsw = (sw4 - sw2) / dx;
if (dx < 0)
{
int temp = x2;
x2 = x4;
x4 = temp;
z2 = z4;
tx2 = tx4;
ty2 = ty4;
sw2 = sw4;
nx2 = nx4;
ny2 = ny4;
}
if (y2 >= 0 && dy > 0)
{
dxL = (x2 - x1) / dy;
dxR = (x4 - x1) / dy;
dzBase = (z2 - z1) / dy;
dnxBase = (nx2 - nx1) / dy;
dnyBase = (ny2 - ny1) / dy;
dtxBase = (tx2 - tx1) / dy;
dtyBase = (ty2 - ty1) / dy;
dswBase = (sw2 - sw1) / dy;
xBase = x1;
xMax = x1;
zBase = z1;
nxBase = nx1;
nyBase = ny1;
txBase = tx1;
tyBase = ty1;
swBase = sw1;
if (y1 < 0)
{
xBase -= y1 * dxL;
xMax -= y1 * dxR;
zBase -= y1 * dzBase;
nxBase -= y1 * dnxBase;
nyBase -= y1 * dnyBase;
txBase -= y1 * dtxBase;
tyBase -= y1 * dtyBase;
swBase -= y1 * dswBase;
y1 = 0;
}
if (y2 > height)
{
y2 = height;
}
offset = y1 * width;
for (y = y1; y < y2; y++)
{
renderLine();
}
}
dy = y3 - y2;
if (y2 < height && dy > 0)
{
dxL = (x3 - x2) / dy;
dxR = (x3 - x4) / dy;
dzBase = (z3 - z2) / dy;
dnxBase = (nx3 - nx2) / dy;
dnyBase = (ny3 - ny2) / dy;
dtxBase = (tx3 - tx2) / dy;
dtyBase = (ty3 - ty2) / dy;
dswBase = (sw3 - sw2) / dy;
xBase = x2;
xMax = x4;
zBase = z2;
nxBase = nx2;
nyBase = ny2;
txBase = tx2;
tyBase = ty2;
swBase = sw2;
if (y2 < 0)
{
xBase -= y2 * dxL;
xMax -= y2 * dxR;
zBase -= y2 * dzBase;
nxBase -= y2 * dnxBase;
nyBase -= y2 * dnyBase;
txBase -= y2 * dtxBase;
tyBase -= y2 * dtyBase;
swBase -= y2 * dswBase;
y2 = 0;
}
if (y3 > height)
{
y3 = height;
}
offset = y2 * width;
for (y = y2; y < y3; y++)
{
renderLine();
}
}
}
