void TransitionManager::Init()
{
IW_CALLSTACK("TransitionManager::Init");
if (m_HasStarted == true)
{
delete m_StartTexture;
delete m_EndTexture;
}
m_StartTexture = NULL;
m_EndTexture = NULL;
m_HasStarted = false;
m_alphaValue = 0;
IwGxSetColClear(0, 0, 0, 0);
IwGxScreenOrient orient = IwGxGetScreenOrient();
}
void Transitions2D::Fade(uint8 transitionSpeed, bool skipFirstAndLastFrame)
{
IwGxSetColClear(0, 0, 0, 0);
if (mStartTexture == NULL || mEndTexture == NULL)
return;
if (transitionSpeed == 0)
transitionSpeed = 1;
IwGxScreenOrient orient = IwGxGetScreenOrient();
if (isUsingPrivateTextures) IwGxSetScreenOrient(IW_GX_ORIENT_NONE);
int alpha = 0;
if (skipFirstAndLastFrame)
alpha += transitionSpeed;
CIwMaterial* startMat;
CIwMaterial* endMat;
while (alpha <= 255)
{
IwGxClear();
startMat = IW_GX_ALLOC_MATERIAL();
startMat->SetTexture(mStartTexture);
IwGxSetMaterial(startMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, 0), &CIwSVec2(mStartTexture->GetWidth(), mStartTexture->GetHeight()));
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
endMat->SetAlphaMode(CIwMaterial::ALPHA_BLEND);
endMat->SetColAmbient(255, 255, 255, alpha);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, 0), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
IwGxFlush();
IwGxSwapBuffers();
s3eDeviceYield(40);
alpha += transitionSpeed;
}
if (!skipFirstAndLastFrame)
{
IwGxClear();
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, 0), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
IwGxFlush();
IwGxSwapBuffers();
}
if (isUsingPrivateTextures)
{
delete mStartTexture;
delete mEndTexture;
mStartTexture = NULL;
mEndTexture = NULL;
}
IwGxSetScreenOrient(orient);
}
void Transitions2D::Slide(DIR d, uint8 transitionSpeed, bool skipFirstAndLastFrame)
{
IwGxSetColClear(0, 0, 0, 0);
if (mStartTexture == NULL || mEndTexture == NULL)
return;
if (transitionSpeed == 0)
transitionSpeed = 1;
IwGxScreenOrient orient = IwGxGetScreenOrient();
if (isUsingPrivateTextures) IwGxSetScreenOrient(IW_GX_ORIENT_NONE);
CIwMaterial* startMat;
CIwMaterial* endMat;
int w = mStartTexture->GetWidth();
int h = mStartTexture->GetHeight();
int pos = 0;
int speed, size;
if (d == LEFT || d == RIGHT)
{
speed = (int)((transitionSpeed * w) / 255.0);
size = w;
}
else
{
speed = (int)((transitionSpeed * h) / 255.0);
size = h;
}
if (skipFirstAndLastFrame)
pos += speed;
while (pos < size)
{
IwGxClear();
if (d == LEFT)
{
startMat = IW_GX_ALLOC_MATERIAL();
startMat->SetTexture(mStartTexture);
IwGxSetMaterial(startMat);
IwGxDrawRectScreenSpace(&CIwSVec2(-pos, 0), &CIwSVec2(mStartTexture->GetWidth(), mStartTexture->GetHeight()));
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(-pos + size, 0), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
}
else if (d == RIGHT)
{
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(pos - size, 0), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
startMat = IW_GX_ALLOC_MATERIAL();
startMat->SetTexture(mStartTexture);
IwGxSetMaterial(startMat);
IwGxDrawRectScreenSpace(&CIwSVec2(pos, 0), &CIwSVec2(mStartTexture->GetWidth(), mStartTexture->GetHeight()));
}
else if (d == UP)
{
startMat = IW_GX_ALLOC_MATERIAL();
startMat->SetTexture(mStartTexture);
IwGxSetMaterial(startMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, -pos), &CIwSVec2(mStartTexture->GetWidth(), mStartTexture->GetHeight()));
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, -pos + size), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
}
else if (d == DOWN)
{
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, pos - size), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
startMat = IW_GX_ALLOC_MATERIAL();
startMat->SetTexture(mStartTexture);
IwGxSetMaterial(startMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, pos), &CIwSVec2(mStartTexture->GetWidth(), mStartTexture->GetHeight()));
}
IwGxFlush();
IwGxSwapBuffers();
s3eDeviceYield(40);
pos += speed;
}
if (!skipFirstAndLastFrame)
{
IwGxClear();
endMat = IW_GX_ALLOC_MATERIAL();
endMat->SetTexture(mEndTexture);
IwGxSetMaterial(endMat);
IwGxDrawRectScreenSpace(&CIwSVec2(0, 0), &CIwSVec2(mEndTexture->GetWidth(), mEndTexture->GetHeight()));
IwGxFlush();
IwGxSwapBuffers();
}
if (isUsingPrivateTextures)
{
delete mStartTexture;
delete mEndTexture;
mStartTexture = NULL;
mEndTexture = NULL;
}
IwGxSetScreenOrient(orient);
}
