public static void LineToPolygon(CCPoint[] points, float stroke, ccVertex2F[] vertices, int offset, int nuPoints)
{
int num;
CCPoint cCPoint;
nuPoints = nuPoints + offset;
if (nuPoints <= 1)
{
return;
}
stroke = stroke * 0.5f;
int num1 = nuPoints - 1;
for (int i = offset; i < nuPoints; i++)
{
num = i * 2;
CCPoint cCPoint1 = points[i];
if (i == 0)
{
cCPoint = CCPointExtension.ccpPerp(CCPointExtension.ccpNormalize(CCPointExtension.ccpSub(cCPoint1, points[i + 1])));
}
else if (i != num1)
{
CCPoint cCPoint2 = points[i + 1];
CCPoint cCPoint3 = points[i - 1];
CCPoint cCPoint4 = CCPointExtension.ccpNormalize(CCPointExtension.ccpSub(cCPoint2, cCPoint1));
CCPoint cCPoint5 = CCPointExtension.ccpNormalize(CCPointExtension.ccpSub(cCPoint3, cCPoint1));
float single = (float)Math.Acos((double)CCPointExtension.ccpDot(cCPoint4, cCPoint5));
if (single >= ccMacros.CC_DEGREES_TO_RADIANS(70f))
{
cCPoint = (single >= ccMacros.CC_DEGREES_TO_RADIANS(170f) ? CCPointExtension.ccpPerp(CCPointExtension.ccpNormalize(CCPointExtension.ccpSub(cCPoint2, cCPoint3))) : CCPointExtension.ccpNormalize(CCPointExtension.ccpMidpoint(cCPoint4, cCPoint5)));
}
else
{
cCPoint = CCPointExtension.ccpPerp(CCPointExtension.ccpNormalize(CCPointExtension.ccpMidpoint(cCPoint4, cCPoint5)));
}
}
else
{
cCPoint = CCPointExtension.ccpPerp(CCPointExtension.ccpNormalize(CCPointExtension.ccpSub(points[i - 1], cCPoint1)));
}
cCPoint = CCPointExtension.ccpMult(cCPoint, stroke);
vertices[num] = new ccVertex2F(cCPoint1.x + cCPoint.x, cCPoint1.y + cCPoint.y);
vertices[num + 1] = new ccVertex2F(cCPoint1.x - cCPoint.x, cCPoint1.y - cCPoint.y);
}
offset = (offset == 0 ? 0 : offset - 1);
for (int j = offset; j < num1; j++)
{
num = j * 2;
int num2 = num + 2;
ccVertex2F _ccVertex2F = vertices[num];
ccVertex2F _ccVertex2F1 = vertices[num + 1];
ccVertex2F _ccVertex2F2 = vertices[num2];
ccVertex2F _ccVertex2F3 = vertices[num2 + 1];
float single1 = 0f;
bool flag = !CCVertex.LineIntersect(_ccVertex2F.x, _ccVertex2F.y, _ccVertex2F3.x, _ccVertex2F3.y, _ccVertex2F1.x, _ccVertex2F1.y, _ccVertex2F2.x, _ccVertex2F2.y, out single1);
if (!flag && (single1 < 0f || single1 > 1f))
{
flag = true;
}
if (flag)
{
vertices[num2] = _ccVertex2F3;
vertices[num2 + 1] = _ccVertex2F2;
}
}
}
public override void update(float delta)
{
if (!m_bStartingPositionInitialized)
{
return;
}
if (m_pVerticesPCT == null)
{
m_pVerticesPCT = new VertexPositionColorTexture[((m_uNuPoints + 1) * 2)];
}
if (m_uNuPoints * 2 > m_pVerticesPCT.Length)
{
VertexPositionColorTexture[] tmp = new VertexPositionColorTexture[((m_uNuPoints + 1) * 2)];
m_pVerticesPCT.CopyTo(tmp, 0);
m_pVerticesPCT = tmp;
}
delta *= m_fFadeDelta;
int newIdx, newIdx2, i, i2;
int mov = 0;
// Update current points
for (i = 0; i < m_uNuPoints; i++)
{
if (m_pVerticesPCT[i] == null)
{
m_pVerticesPCT[i] = new VertexPositionColorTexture(m_pVertices[i].ToVector3(), m_pColor[i].XNAColor, m_pTexCoords[i].ToVector2());
}
if (m_pVerticesPCT[i * 2] == null)
{
m_pVerticesPCT[i * 2] = new VertexPositionColorTexture(m_pVerticesPCT[i].Position, m_pVerticesPCT[i].Color, m_pVerticesPCT[i].TextureCoordinate);
}
m_pPointState[i] -= delta;
if (m_pPointState[i] <= 0)
{
mov++;
}
else
{
newIdx = i - mov;
if (mov > 0)
{
// Move data
m_pPointState[newIdx] = m_pPointState[i];
// Move point
m_pPointVertexes[newIdx] = new CCPoint(m_pPointVertexes[i]);
// Move vertices
i2 = i * 2;
newIdx2 = newIdx * 2;
m_pVertices[newIdx2] = new ccVertex2F(m_pVertices[i2]);
m_pVertices[newIdx2 + 1] = new ccVertex2F(m_pVertices[i2 + 1]);
// Move color
m_pColor[newIdx2] = new ccColor4B(m_pColor[i2]);
m_pColor[newIdx2 + 1] = new ccColor4B(m_pColor[i2 + 1]);
// Move the GL vertex data
m_pVerticesPCT[newIdx2] = m_pVerticesPCT[i2];
m_pVerticesPCT[newIdx2 + 1] = m_pVerticesPCT[i2 + 1];
}
else
{
newIdx2 = newIdx * 2;
}
byte op = (byte)(m_pPointState[newIdx] * 255.0f);
m_pColor[newIdx2].a = op;
m_pColor[newIdx2 + 1].a = op;
VertexPositionColorTexture vpc;
if (m_pVertices[newIdx2] != null)
{
vpc = new VertexPositionColorTexture(m_pVertices[newIdx2].ToVector3(), m_pColor[newIdx2].XNAColor, m_pTexCoords[newIdx2].ToVector2());
m_pVerticesPCT[newIdx2] = vpc;
}
if (m_pVertices[newIdx2 + 1] != null)
{
vpc = new VertexPositionColorTexture(m_pVertices[newIdx2 + 1].ToVector3(), m_pColor[newIdx2 + 1].XNAColor, m_pTexCoords[newIdx2 + 1].ToVector2());
m_pVerticesPCT[newIdx2 + 1] = vpc;
}
}
}
m_uNuPoints -= mov;
// Append new point
bool appendNewPoint = true;
if (m_uNuPoints >= m_uMaxPoints)
{
appendNewPoint = false;
}
else if (m_uNuPoints > 0)
{
bool a1 = (m_pPointVertexes[m_uNuPoints - 1].DistanceSQ(m_tPositionR) < m_fMinSeg);
bool a2 = (m_uNuPoints == 1) ? false : (m_pPointVertexes[m_uNuPoints - 2].DistanceSQ(m_tPositionR) < (m_fMinSeg * 2.0f));
if (a1 || a2)
{
appendNewPoint = false;
}
}
if (appendNewPoint)
{
m_pPointVertexes[m_uNuPoints] = new CCPoint(m_tPositionR);
m_pPointState[m_uNuPoints] = 1.0f;
// Color asignment
int offset = m_uNuPoints * 2;
m_pColor[offset] = new ccColor4B(m_tColor);
m_pColor[offset + 1] = new ccColor4B(m_tColor);
// Opacity
m_pColor[offset].a = 255;
m_pColor[offset + 1].a = 255;
// Generate polygon
if (m_uNuPoints > 0 && m_bFastMode)
{
if (m_uNuPoints > 1)
{
CCVertex.LineToPolygon(m_pPointVertexes, m_fStroke, m_pVertices, m_uNuPoints, 1);
}
else
{
CCVertex.LineToPolygon(m_pPointVertexes, m_fStroke, m_pVertices, 0, 2);
}
}
m_uNuPoints++;
}
if (!m_bFastMode)
{
CCVertex.LineToPolygon(m_pPointVertexes, m_fStroke, m_pVertices, 0, m_uNuPoints);
}
// Updated Tex Coords only if they are different than previous step
if (m_uPreviousNuPoints != m_uNuPoints)
{
if (m_uNuPoints > m_uPreviousNuPoints)
{
int count = (m_uNuPoints + 1) * 2;
if (count < m_pVerticesPCT.Length)
{
count = m_pVerticesPCT.Length;
}
VertexPositionColorTexture[] tmp = new VertexPositionColorTexture[count];
m_pVerticesPCT.CopyTo(tmp, 0);
m_pVerticesPCT = tmp;
}
float texDelta = 1.0f / m_uNuPoints;
for (i = 0; i < m_uNuPoints; i++)
{
m_pTexCoords[i * 2] = new ccTex2F(0, texDelta * i);
m_pTexCoords[i * 2 + 1] = new ccTex2F(1, texDelta * i);
VertexPositionColorTexture vpc;
if (m_pVertices[i * 2] != null)
{
vpc = new VertexPositionColorTexture(m_pVertices[i * 2].ToVector3(), m_pColor[i * 2].XNAColor, m_pTexCoords[i * 2].ToVector2());
m_pVerticesPCT[i * 2] = vpc;
}
if (m_pVertices[i * 2 + 1] != null)
{
vpc = new VertexPositionColorTexture(m_pVertices[i * 2 + 1].ToVector3(), m_pColor[i * 2 + 1].XNAColor, m_pTexCoords[i * 2 + 1].ToVector2());
m_pVerticesPCT[i * 2 + 1] = vpc;
}
}
m_uPreviousNuPoints = m_uNuPoints;
}
}
public override void update(float delta)
{
int num;
int i;
VertexPositionColorTexture vertexPositionColorTexture;
VertexPositionColorTexture vertexPositionColorTexture1;
if (!this.m_bStartingPositionInitialized)
{
return;
}
if (this.m_pVerticesPCT == null)
{
this.m_pVerticesPCT = new VertexPositionColorTexture[(this.m_uNuPoints + 1) * 2];
}
if (this.m_uNuPoints * 2 > (int)this.m_pVerticesPCT.Length)
{
VertexPositionColorTexture[] vertexPositionColorTextureArray = new VertexPositionColorTexture[(this.m_uNuPoints + 1) * 2];
this.m_pVerticesPCT.CopyTo(vertexPositionColorTextureArray, 0);
this.m_pVerticesPCT = vertexPositionColorTextureArray;
}
delta = delta * this.m_fFadeDelta;
int num1 = 0;
for (i = 0; i < this.m_uNuPoints; i++)
{
VertexPositionColorTexture mPVerticesPCT = this.m_pVerticesPCT[i];
VertexPositionColorTexture mPVerticesPCT1 = this.m_pVerticesPCT[i * 2];
this.m_pPointState[i] = this.m_pPointState[i] - delta;
if (this.m_pPointState[i] > 0f)
{
int num2 = i - num1;
if (num1 <= 0)
{
num = num2 * 2;
}
else
{
this.m_pPointState[num2] = this.m_pPointState[i];
this.m_pPointVertexes[num2] = new CCPoint(this.m_pPointVertexes[i]);
int num3 = i * 2;
num = num2 * 2;
this.m_pVertices[num] = new ccVertex2F(this.m_pVertices[num3]);
this.m_pVertices[num + 1] = new ccVertex2F(this.m_pVertices[num3 + 1]);
this.m_pColor[num] = new ccColor4B(this.m_pColor[num3]);
this.m_pColor[num + 1] = new ccColor4B(this.m_pColor[num3 + 1]);
this.m_pVerticesPCT[num] = this.m_pVerticesPCT[num3];
this.m_pVerticesPCT[num + 1] = this.m_pVerticesPCT[num3 + 1];
}
byte mPPointState = (byte)(this.m_pPointState[num2] * 255f);
this.m_pColor[num].a = mPPointState;
this.m_pColor[num + 1].a = mPPointState;
if (this.m_pVertices[num] != null)
{
vertexPositionColorTexture = new VertexPositionColorTexture(this.m_pVertices[num].ToVector3(), this.m_pColor[num].XNAColor, this.m_pTexCoords[num].ToVector2());
this.m_pVerticesPCT[num] = vertexPositionColorTexture;
}
if (this.m_pVertices[num + 1] != null)
{
vertexPositionColorTexture = new VertexPositionColorTexture(this.m_pVertices[num + 1].ToVector3(), this.m_pColor[num + 1].XNAColor, this.m_pTexCoords[num + 1].ToVector2());
this.m_pVerticesPCT[num + 1] = vertexPositionColorTexture;
}
}
else
{
num1++;
}
}
CCMotionStreak mUNuPoints = this;
mUNuPoints.m_uNuPoints = mUNuPoints.m_uNuPoints - num1;
bool flag = true;
if (this.m_uNuPoints >= this.m_uMaxPoints)
{
flag = false;
}
else if (this.m_uNuPoints > 0)
{
bool flag1 = this.m_pPointVertexes[this.m_uNuPoints - 1].DistanceSQ(this.m_tPositionR) < this.m_fMinSeg;
if (flag1 || (this.m_uNuPoints == 1 ? false : this.m_pPointVertexes[this.m_uNuPoints - 2].DistanceSQ(this.m_tPositionR) < this.m_fMinSeg * 2f))
{
flag = false;
}
}
if (flag)
{
this.m_pPointVertexes[this.m_uNuPoints] = new CCPoint(this.m_tPositionR);
this.m_pPointState[this.m_uNuPoints] = 1f;
int mUNuPoints1 = this.m_uNuPoints * 2;
this.m_pColor[mUNuPoints1] = new ccColor4B(this.m_tColor);
this.m_pColor[mUNuPoints1 + 1] = new ccColor4B(this.m_tColor);
this.m_pColor[mUNuPoints1].a = 255;
this.m_pColor[mUNuPoints1 + 1].a = 255;
if (this.m_uNuPoints > 0 && this.m_bFastMode)
{
if (this.m_uNuPoints <= 1)
{
CCVertex.LineToPolygon(this.m_pPointVertexes, this.m_fStroke, this.m_pVertices, 0, 2);
}
else
{
CCVertex.LineToPolygon(this.m_pPointVertexes, this.m_fStroke, this.m_pVertices, this.m_uNuPoints, 1);
}
}
CCMotionStreak cCMotionStreak = this;
cCMotionStreak.m_uNuPoints = cCMotionStreak.m_uNuPoints + 1;
}
if (!this.m_bFastMode)
{
CCVertex.LineToPolygon(this.m_pPointVertexes, this.m_fStroke, this.m_pVertices, 0, this.m_uNuPoints);
}
if (this.m_uPreviousNuPoints != this.m_uNuPoints)
{
if (this.m_uNuPoints > this.m_uPreviousNuPoints)
{
int length = (this.m_uNuPoints + 1) * 2;
if (length < (int)this.m_pVerticesPCT.Length)
{
length = (int)this.m_pVerticesPCT.Length;
}
VertexPositionColorTexture[] vertexPositionColorTextureArray1 = new VertexPositionColorTexture[length];
this.m_pVerticesPCT.CopyTo(vertexPositionColorTextureArray1, 0);
this.m_pVerticesPCT = vertexPositionColorTextureArray1;
}
float single = 1f / (float)this.m_uNuPoints;
for (i = 0; i < this.m_uNuPoints; i++)
{
this.m_pTexCoords[i * 2] = new ccTex2F(0f, single * (float)i);
this.m_pTexCoords[i * 2 + 1] = new ccTex2F(1f, single * (float)i);
if (this.m_pVertices[i * 2] != null)
{
vertexPositionColorTexture1 = new VertexPositionColorTexture(this.m_pVertices[i * 2].ToVector3(), this.m_pColor[i * 2].XNAColor, this.m_pTexCoords[i * 2].ToVector2());
this.m_pVerticesPCT[i * 2] = vertexPositionColorTexture1;
}
if (this.m_pVertices[i * 2 + 1] != null)
{
vertexPositionColorTexture1 = new VertexPositionColorTexture(this.m_pVertices[i * 2 + 1].ToVector3(), this.m_pColor[i * 2 + 1].XNAColor, this.m_pTexCoords[i * 2 + 1].ToVector2());
this.m_pVerticesPCT[i * 2 + 1] = vertexPositionColorTexture1;
}
}
this.m_uPreviousNuPoints = this.m_uNuPoints;
}
}
