void CShapeEffectPainter::Paint (CG16bitImage &Dest, int x, int y, SViewportPaintCtx &Ctx)
// Paint
//
// Paint effect
{
// Compute the desired rotation, length, and width
int iLength = m_pCreator->GetLength() + Ctx.iTick * m_pCreator->GetLengthInc();
int iWidth = m_pCreator->GetWidth() + Ctx.iTick * m_pCreator->GetWidthInc();
int iRotation = (m_pCreator->IsDirectional() ? Ctx.iRotation : 0);
// Generate the shape
CacheShapeRegion(iRotation, iLength, iWidth);
// Paint
DWORD byOpacity = m_pCreator->GetOpacity();
WORD wColor = m_pCreator->GetColor();
if (byOpacity == 255)
m_CachedRegion.Fill(Dest, x, y, wColor);
else
m_CachedRegion.FillTrans(Dest, x, y, wColor, byOpacity);
}
void CFlarePainter::Paint (CG16bitImage &Dest, int x, int y, SViewportPaintCtx &Ctx)
// Paint
//
// Paint
{
int i;
COLORREF wPrimaryColor = m_pCreator->GetPrimaryColor();
switch (m_pCreator->GetStyle())
{
case CFlareEffectCreator::styleFadingBlast:
{
// Radius shrinks proportionally each tick
int iRadius;
if (m_iTick < m_pCreator->GetLifetime())
iRadius = (int)(m_pCreator->GetRadius() * ((Metric)(m_pCreator->GetLifetime() - m_iTick) / (Metric)m_pCreator->GetLifetime()));
else
iRadius = 0;
// Paint
if (iRadius)
{
// Paint each of the spikes first
int iAngle = 360 / MAIN_SPIKE_COUNT;
for (i = 0; i < MAIN_SPIKE_COUNT; i++)
{
SPoint Spike[4];
m_pCreator->CreateFlareSpike(i * iAngle, iRadius, iRadius / MAIN_SPIKE_WIDTH_RATIO, Spike);
CG16bitRegion Region;
Region.CreateFromConvexPolygon(4, Spike);
Region.FillTrans(Dest, x, y, wPrimaryColor, 128);
}
// Paint central glow
#if 0
DrawAlphaGradientCircle(Dest,
x,
y,
iRadius / 8,
wPrimaryColor);
#endif
// Paint the extended glow
DrawAlphaGradientCircle(Dest,
x,
y,
iRadius,
wPrimaryColor);
}
break;
}
}
}
void CBeamEffectCreator::DrawBeamLightningBolt (CG16bitImage &Dest, SLineDesc &Line, SViewportPaintCtx &Ctx)
// DrawBeamLightningBolt
//
// Draws the appropriate beam
{
int i;
// Compute a set of points for the lightning
int iPointCount = LIGHTNING_POINT_COUNT;
CVector *pPoints = new CVector [iPointCount];
pPoints[0] = CVector(Line.xFrom, Line.yFrom);
pPoints[iPointCount - 1] = CVector(Line.xTo, Line.yTo);
ComputeLightningPoints(iPointCount, pPoints, 0.3);
// Draw based on intensity
switch (m_iIntensity)
{
// Draw nothing
case 0:
break;
// At intensity 1 or 2 just draw a lightning line with the primary color
case 1:
case 2:
{
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
m_iIntensity,
m_wPrimaryColor);
}
break;
}
// At intensity 3 or 4 draw secondary color around primary.
case 3:
case 4:
{
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
m_iIntensity,
m_wSecondaryColor);
}
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
m_iIntensity - 2,
m_wPrimaryColor);
}
break;
}
// At intensity 5-10 we draw a glow around the beam
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
{
// Create a polygon for the glow shaped like a wide version of the
// lightning bolt.
CG16bitRegion GlowRegion;
CreateLightningGlow(Line, iPointCount, pPoints, m_iIntensity, &GlowRegion);
// Paint the glow
GlowRegion.FillTrans(Dest, 0, 0, m_wSecondaryColor, 128);
// Paint the main bolt
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
4,
m_wSecondaryColor);
}
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
2,
m_wPrimaryColor);
}
break;
}
// For even larger beams we do a double glow
default:
{
// Create a polygon for the glow shaped like a wide version of the
// lightning bolt.
CG16bitRegion GlowRegion1;
CreateLightningGlow(Line, iPointCount, pPoints, m_iIntensity, &GlowRegion1);
CG16bitRegion GlowRegion2;
CreateLightningGlow(Line, iPointCount, pPoints, 10, &GlowRegion2);
// Paint the glow
GlowRegion1.FillTrans(Dest, 0, 0, m_wSecondaryColor, 48);
GlowRegion2.FillTrans(Dest, 0, 0, m_wSecondaryColor, 96);
// Paint the main bolt
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
4,
m_wSecondaryColor);
}
for (i = 0; i < iPointCount-1; i++)
{
const CVector &vFrom = pPoints[i];
const CVector &vTo = pPoints[i + 1];
Dest.DrawLine((int)vFrom.GetX(), (int)vFrom.GetY(),
(int)vTo.GetX(), (int)vTo.GetY(),
2,
m_wPrimaryColor);
}
break;
}
}
// Done
delete [] pPoints;
}
void CFlarePainter::Paint (CG16bitImage &Dest, int x, int y, SViewportPaintCtx &Ctx)
// Paint
//
// Paint
{
int i;
// Safety checks
int iTotalLifetime = m_pCreator->GetLifetime();
if (iTotalLifetime <= 0)
return;
switch (m_pCreator->GetStyle())
{
case CFlareEffectCreator::styleFadingBlast:
{
// Radius shrinks proportionally each tick
int iRadius;
if (m_iTick < m_pCreator->GetLifetime())
iRadius = (int)(m_pCreator->GetRadius() * ((Metric)(m_pCreator->GetLifetime() - m_iTick) / (Metric)iTotalLifetime));
else
iRadius = 0;
// Color moves from primary to secondary
WORD wColor;
if (m_pCreator->GetPrimaryColor() != m_pCreator->GetSecondaryColor())
wColor = CG16bitImage::FadeColor(m_pCreator->GetPrimaryColor(), m_pCreator->GetSecondaryColor(), 100 * m_iTick / iTotalLifetime);
else
wColor = m_pCreator->GetPrimaryColor();
// Paint
if (iRadius)
{
// Paint each of the spikes first
int iAngle = 360 / MAIN_SPIKE_COUNT;
for (i = 0; i < MAIN_SPIKE_COUNT; i++)
{
SPoint Spike[4];
m_pCreator->CreateFlareSpike(i * iAngle, iRadius, iRadius / MAIN_SPIKE_WIDTH_RATIO, Spike);
CG16bitRegion Region;
Region.CreateFromSimplePolygon(4, Spike);
Region.FillTrans(Dest, x, y, wColor, MAIN_SPIKE_OPACITY);
}
// Paint the extended glow
DrawAlphaGradientCircle(Dest,
x,
y,
iRadius,
wColor);
}
break;
}
}
}