private static void PointExtendXY(PointExt p)
{
X25519Field.One(p.z);
X25519Field.Mul(p.x, p.y, p.t);
}
public static void Precompute()
{
lock (precompLock)
{
if (precompBase != null)
{
return;
}
// Precomputed table for the base point in verification ladder
{
PointExt b = new PointExt();
X25519Field.Copy(B_x, 0, b.x, 0);
X25519Field.Copy(B_y, 0, b.y, 0);
PointExtendXY(b);
precompBaseTable = PointPrecompVar(b, 1 << (WnafWidthBase - 2));
}
PointAccum p = new PointAccum();
X25519Field.Copy(B_x, 0, p.x, 0);
X25519Field.Copy(B_y, 0, p.y, 0);
PointExtendXY(p);
precompBase = new int[PrecompBlocks * PrecompPoints * 3 * X25519Field.Size];
int off = 0;
for (int b = 0; b < PrecompBlocks; ++b)
{
PointExt[] ds = new PointExt[PrecompTeeth];
PointExt sum = new PointExt();
PointSetNeutral(sum);
for (int t = 0; t < PrecompTeeth; ++t)
{
PointExt q = PointCopy(p);
PointAddVar(true, sum, q, sum);
PointDouble(p);
ds[t] = PointCopy(p);
if (b + t != PrecompBlocks + PrecompTeeth - 2)
{
for (int s = 1; s < PrecompSpacing; ++s)
{
PointDouble(p);
}
}
}
PointExt[] points = new PointExt[PrecompPoints];
int k = 0;
points[k++] = sum;
for (int t = 0; t < (PrecompTeeth - 1); ++t)
{
int size = 1 << t;
for (int j = 0; j < size; ++j, ++k)
{
PointAddVar(false, points[k - size], ds[t], points[k] = new PointExt());
}
}
Debug.Assert(k == PrecompPoints);
for (int i = 0; i < PrecompPoints; ++i)
{
PointExt q = points[i];
int[] x = X25519Field.Create();
int[] y = X25519Field.Create();
X25519Field.Add(q.z, q.z, x);
// TODO[ed25519] Batch inversion
X25519Field.Inv(x, y);
X25519Field.Mul(q.x, y, x);
X25519Field.Mul(q.y, y, y);
PointPrecomp r = new PointPrecomp();
X25519Field.Apm(y, x, r.ypx_h, r.ymx_h);
X25519Field.Mul(x, y, r.xyd);
X25519Field.Mul(r.xyd, C_d4, r.xyd);
X25519Field.Normalize(r.ypx_h);
X25519Field.Normalize(r.ymx_h);
//X25519Field.Normalize(r.xyd);
X25519Field.Copy(r.ypx_h, 0, precompBase, off); off += X25519Field.Size;
X25519Field.Copy(r.ymx_h, 0, precompBase, off); off += X25519Field.Size;
X25519Field.Copy(r.xyd, 0, precompBase, off); off += X25519Field.Size;
}
}
Debug.Assert(off == precompBase.Length);
}
}
private static void PointSetNeutral(PointExt p)
{
X448Field.Zero(p.x);
X448Field.One(p.y);
X448Field.One(p.z);
}
public static void Precompute()
{
lock (precompLock)
{
if (precompBase != null)
{
return;
}
PointExt p = new PointExt();
X448Field.Copy(B_x, 0, p.x, 0);
X448Field.Copy(B_y, 0, p.y, 0);
PointExtendXY(p);
precompBaseTable = PointPrecompVar(p, 1 << (WnafWidthBase - 2));
precompBase = new uint[PrecompBlocks * PrecompPoints * 2 * X448Field.Size];
int off = 0;
for (int b = 0; b < PrecompBlocks; ++b)
{
PointExt[] ds = new PointExt[PrecompTeeth];
PointExt sum = new PointExt();
PointSetNeutral(sum);
for (int t = 0; t < PrecompTeeth; ++t)
{
PointAddVar(true, p, sum);
PointDouble(p);
ds[t] = PointCopy(p);
if (b + t != PrecompBlocks + PrecompTeeth - 2)
{
for (int s = 1; s < PrecompSpacing; ++s)
{
PointDouble(p);
}
}
}
PointExt[] points = new PointExt[PrecompPoints];
int k = 0;
points[k++] = sum;
for (int t = 0; t < (PrecompTeeth - 1); ++t)
{
int size = 1 << t;
for (int j = 0; j < size; ++j, ++k)
{
points[k] = PointCopy(points[k - size]);
PointAddVar(false, ds[t], points[k]);
}
}
Debug.Assert(k == PrecompPoints);
for (int i = 0; i < PrecompPoints; ++i)
{
PointExt q = points[i];
// TODO[ed448] Batch inversion
X448Field.Inv(q.z, q.z);
X448Field.Mul(q.x, q.z, q.x);
X448Field.Mul(q.y, q.z, q.y);
//X448Field.Normalize(q.x);
//X448Field.Normalize(q.y);
X448Field.Copy(q.x, 0, precompBase, off); off += X448Field.Size;
X448Field.Copy(q.y, 0, precompBase, off); off += X448Field.Size;
}
}
Debug.Assert(off == precompBase.Length);
}
}
private static void PointExtendXY(PointExt p)
{
X448Field.One(p.z);
}
public static void Precompute()
{
lock (precompLock)
{
if (precompBase != null)
{
return;
}
// Precomputed table for the base point in verification ladder
{
PointExt b = new PointExt();
F.Copy(B_x, 0, b.x, 0);
F.Copy(B_y, 0, b.y, 0);
PointExtendXY(b);
precompBaseTable = PointPrecomputeVar(b, 1 << (WnafWidthBase - 2));
}
PointAccum p = new PointAccum();
F.Copy(B_x, 0, p.x, 0);
F.Copy(B_y, 0, p.y, 0);
PointExtendXY(p);
precompBase = F.CreateTable(PrecompBlocks * PrecompPoints * 3);
int off = 0;
for (int b = 0; b < PrecompBlocks; ++b)
{
PointExt[] ds = new PointExt[PrecompTeeth];
PointExt sum = new PointExt();
PointSetNeutral(sum);
for (int t = 0; t < PrecompTeeth; ++t)
{
PointExt q = PointCopy(p);
PointAddVar(true, sum, q, sum);
PointDouble(p);
ds[t] = PointCopy(p);
if (b + t != PrecompBlocks + PrecompTeeth - 2)
{
for (int s = 1; s < PrecompSpacing; ++s)
{
PointDouble(p);
}
}
}
PointExt[] points = new PointExt[PrecompPoints];
int k = 0;
points[k++] = sum;
for (int t = 0; t < (PrecompTeeth - 1); ++t)
{
int size = 1 << t;
for (int j = 0; j < size; ++j, ++k)
{
PointAddVar(false, points[k - size], ds[t], points[k] = new PointExt());
}
}
Debug.Assert(k == PrecompPoints);
int[] cs = F.CreateTable(PrecompPoints);
// TODO[ed25519] A single batch inversion across all blocks?
{
int[] u = F.Create();
F.Copy(points[0].z, 0, u, 0);
F.Copy(u, 0, cs, 0);
int i = 0;
while (++i < PrecompPoints)
{
F.Mul(u, points[i].z, u);
F.Copy(u, 0, cs, i * F.Size);
}
F.Add(u, u, u);
F.InvVar(u, u);
--i;
int[] t = F.Create();
while (i > 0)
{
int j = i--;
F.Copy(cs, i * F.Size, t, 0);
F.Mul(t, u, t);
F.Copy(t, 0, cs, j * F.Size);
F.Mul(u, points[j].z, u);
}
F.Copy(u, 0, cs, 0);
}
for (int i = 0; i < PrecompPoints; ++i)
{
PointExt q = points[i];
int[] x = F.Create();
int[] y = F.Create();
//F.Add(q.z, q.z, x);
//F.InvVar(x, y);
F.Copy(cs, i * F.Size, y, 0);
F.Mul(q.x, y, x);
F.Mul(q.y, y, y);
PointPrecomp r = new PointPrecomp();
F.Apm(y, x, r.ypx_h, r.ymx_h);
F.Mul(x, y, r.xyd);
F.Mul(r.xyd, C_d4, r.xyd);
F.Normalize(r.ypx_h);
F.Normalize(r.ymx_h);
//F.Normalize(r.xyd);
F.Copy(r.ypx_h, 0, precompBase, off); off += F.Size;
F.Copy(r.ymx_h, 0, precompBase, off); off += F.Size;
F.Copy(r.xyd, 0, precompBase, off); off += F.Size;
}
}
Debug.Assert(off == precompBase.Length);
}
}
private static void PointExtendXY(PointExt p)
{
F.One(p.z);
F.Mul(p.x, p.y, p.t);
}
private static void Precompute()
{
PointAccum p = new PointAccum();
X25519Field.Copy(B_x, 0, p.x, 0);
X25519Field.Copy(B_y, 0, p.y, 0);
PointExtendXY(p);
precompBase = new int[PrecompBlocks * PrecompPoints * 3 * X25519Field.Size];
int off = 0;
for (int b = 0; b < PrecompBlocks; ++b)
{
PointExt[] ds = new PointExt[PrecompTeeth];
PointExt sum = new PointExt();
PointSetNeutral(sum);
for (int t = 0; t < PrecompTeeth; ++t)
{
PointExt q = PointCopy(p);
PointAddVar(true, sum, q, sum);
PointDouble(p);
ds[t] = PointCopy(p);
if (b + t != PrecompBlocks + PrecompTeeth - 2)
{
for (int s = 1; s < PrecompSpacing; ++s)
{
PointDouble(p);
}
}
}
PointExt[] points = new PointExt[PrecompPoints];
int k = 0;
points[k++] = sum;
for (int t = 0; t < (PrecompTeeth - 1); ++t)
{
int size = 1 << t;
for (int j = 0; j < size; ++j, ++k)
{
PointAddVar(false, points[k - size], ds[t], points[k] = new PointExt());
}
}
for (int i = 0; i < PrecompPoints; ++i)
{
PointExt q = points[i];
int[] x = new int[X25519Field.Size];
int[] y = new int[X25519Field.Size];
X25519Field.Add(q.z, q.z, x);
X25519Field.Inv(x, y);
X25519Field.Mul(q.x, y, x);
X25519Field.Mul(q.y, y, y);
PointPrecomp r = new PointPrecomp();
X25519Field.Apm(y, x, r.ypx_h, r.ymx_h);
X25519Field.Mul(x, y, r.xyd);
X25519Field.Mul(r.xyd, C_d4, r.xyd);
X25519Field.Normalize(r.ypx_h);
X25519Field.Normalize(r.ymx_h);
X25519Field.Copy(r.ypx_h, 0, precompBase, off); off += X25519Field.Size;
X25519Field.Copy(r.ymx_h, 0, precompBase, off); off += X25519Field.Size;
X25519Field.Copy(r.xyd, 0, precompBase, off); off += X25519Field.Size;
}
}
}
public override void OnEnable()
{
base.OnEnable();
_previousFrameInfo = new CharacterInfo();
_currentInfo = new CharacterInfo();
_partyBarPoints = new PointGroup(PointExt.New(393, 47), PointExt.New(599, 52), PointExt.New(605, 45));
_partyBarPointsOffseted = _partyBarPoints.OffsetCopy(0, 40);
_previousFrameInfo = new CharacterInfo();
_hpBar = new ResourceBar(27, 217, 36, ResourceBar.EResourceType.Hp);
_hpBar.ColorDiffTolerance = 5;
_mpBar = new ResourceBar(27, 217, 53, ResourceBar.EResourceType.Mana);
_mpBar.ColorDiffTolerance = 5;
_partyBar = new ResourceBar(406, 598, 49, ResourceBar.EResourceType.PartyMemberHp);
_monsterBar = new ResourceBar(406, 598, 49, ResourceBar.EResourceType.MonsterHp);
_monsterBar.NbConsistencyFrame = 1;
CalculateAttributes();
_currentInfo.InitialPosition = _currentInfo.Position;
_previousFrameInfo.CopyFrom(_currentInfo);
}
