//----------------------------------------------------------------//
void MOAIStretchPatch2D::DrawIndex ( u32 idx, float xOff, float yOff, float zOff, float xScl, float yScl, float zScl ) {
UNUSED ( xOff );
UNUSED ( yOff );
UNUSED ( zOff );
UNUSED ( xScl );
UNUSED ( yScl );
UNUSED ( zScl );
// TODO: make use of offset and scale
MOAIGfxDevice& gfxDevice = MOAIGfxDevice::Get ();
MOAIQuadBrush::BindVertexFormat ( gfxDevice );
gfxDevice.SetVertexMtxMode ( MOAIGfxDevice::VTX_STAGE_MODEL, MOAIGfxDevice::VTX_STAGE_PROJ );
gfxDevice.SetUVMtxMode ( MOAIGfxDevice::UV_STAGE_MODEL, MOAIGfxDevice::UV_STAGE_TEXTURE );
USMatrix4x4 transform = gfxDevice.GetVertexTransform ( MOAIGfxDevice::VTX_WORLD_TRANSFORM );
USVec3D stretch = transform.GetStretch ();
USMatrix4x4 noStretch;
noStretch.Scale ( 1.0f / stretch.mX, 1.0f / stretch.mY, 1.0f / stretch.mZ );
noStretch.Append ( transform );
gfxDevice.SetVertexTransform ( MOAIGfxDevice::VTX_WORLD_TRANSFORM, noStretch );
this->UpdateParams ();
this->DrawStretch ( idx, stretch.mX, stretch.mY );
gfxDevice.SetVertexTransform ( MOAIGfxDevice::VTX_WORLD_TRANSFORM, transform );
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetWorldToWndMtx () const {
USMatrix4x4 worldToWnd = this->GetViewProjMtx ();
worldToWnd.Append ( MOAIGfxDevice::GetNormToWndMtx ());
return worldToWnd;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetWndToWorldMtx () const {
USMatrix4x4 wndToWorld = MOAIGfxDevice::GetWndToNormMtx ();
// inv viewproj
USMatrix4x4 mtx = this->GetViewProjMtx ();
mtx.Inverse ();
wndToWorld.Append ( mtx );
return wndToWorld;
}
//----------------------------------------------------------------//
USRect MOAILayoutFrame::GetScissorRect () {
USRect scissorRect = this->GetFrame ();
USMatrix4x4 mtx;
mtx.Init ( this->mLocalToWorldMtx );
mtx.Append ( MOAIGfxDevice::Get ().GetWorldToWndMtx ( 1.0f, 1.0f ));
mtx.Transform ( scissorRect );
return scissorRect;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetWorldToWndMtx ( float xScale, float yScale ) const {
USMatrix4x4 worldToWnd;
USMatrix4x4 mtx;
USRect rect = this->GetViewRect ();
float hWidth = rect.Width () * 0.5f;
float hHeight = rect.Height () * 0.5f;
// viewproj
worldToWnd = this->GetViewProjMtx ();
// wnd
mtx.Scale ( hWidth * xScale, hHeight * yScale, 1.0f );
worldToWnd.Append ( mtx );
mtx.Translate ( hWidth + rect.mXMin, hHeight + rect.mYMin, 0.0f );
worldToWnd.Append ( mtx );
return worldToWnd;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetWndToWorldMtx () const {
USMatrix4x4 wndToWorld;
USMatrix4x4 mtx;
USRect rect = this->GetViewRect ();
float hWidth = rect.Width () * 0.5f;
float hHeight = rect.Height () * 0.5f;
// Inv Wnd
wndToWorld.Translate ( -hWidth - rect.mXMin, -hHeight - rect.mYMin, 0.0f );
mtx.Scale (( 1.0f / hWidth ), -( 1.0f / hHeight ), 1.0f );
wndToWorld.Append ( mtx );
// inv viewproj
mtx = this->GetViewProjMtx ();
mtx.Inverse ();
wndToWorld.Append ( mtx );
return wndToWorld;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetWndToNormMtx () const {
USRect rect = this->mViewRect;
float hWidth = rect.Width () * 0.5f;
float hHeight = rect.Height () * 0.5f;
// Inv Wnd
USMatrix4x4 wndToNorm;
wndToNorm.Translate ( -hWidth - rect.mXMin, -hHeight - rect.mYMin, 0.0f );
USMatrix4x4 mtx;
mtx.Scale (( 1.0f / hWidth ), -( 1.0f / hHeight ), 1.0f );
wndToNorm.Append ( mtx );
return wndToNorm;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetNormToWndMtx () const {
USRect rect = this->mViewRect;
float hWidth = rect.Width () * 0.5f;
float hHeight = rect.Height () * 0.5f;
// Wnd
USMatrix4x4 normToWnd;
normToWnd.Scale ( hWidth, -hHeight, 1.0f );
USMatrix4x4 mtx;
mtx.Translate ( hWidth + rect.mXMin, hHeight + rect.mYMin, 0.0f );
normToWnd.Append ( mtx );
return normToWnd;
}
//----------------------------------------------------------------//
USRect MOAIScissorRect::GetScissorRect ( const USMatrix4x4& worldToWndMtx ) const {
USVec3D vtx3D [ 4 ];
vtx3D [ 0 ].mX = this->mRect.mXMin;
vtx3D [ 0 ].mY = this->mRect.mYMin;
vtx3D [ 0 ].mZ = 0.0f;
vtx3D [ 1 ].mX = this->mRect.mXMin;
vtx3D [ 1 ].mY = this->mRect.mYMax;
vtx3D [ 1 ].mZ = 0.0f;
vtx3D [ 2 ].mX = this->mRect.mXMax;
vtx3D [ 2 ].mY = this->mRect.mYMax;
vtx3D [ 2 ].mZ = 0.0f;
vtx3D [ 3 ].mX = this->mRect.mXMax;
vtx3D [ 3 ].mY = this->mRect.mYMin;
vtx3D [ 3 ].mZ = 0.0f;
USMatrix4x4 mtx;
mtx.Init ( this->GetLocalToWorldMtx ());
mtx.Append ( worldToWndMtx );
mtx.Project ( vtx3D [ 0 ]);
mtx.Project ( vtx3D [ 1 ]);
mtx.Project ( vtx3D [ 2 ]);
mtx.Project ( vtx3D [ 3 ]);
USRect scissorRect;
scissorRect.Init ( vtx3D [ 0 ]);
scissorRect.Grow ( vtx3D [ 1 ]);
scissorRect.Grow ( vtx3D [ 2 ]);
scissorRect.Grow ( vtx3D [ 3 ]);
if ( this->mScissorRect ) {
USRect parentRect = this->mScissorRect->GetScissorRect ( worldToWndMtx );
parentRect.Clip ( scissorRect );
}
return scissorRect;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetViewProjMtx () const {
USMatrix4x4 mtx = this->mVertexTransforms [ VTX_VIEW_TRANSFORM ];
mtx.Append ( this->mVertexTransforms [ VTX_PROJ_TRANSFORM ]);
return mtx;
}
//----------------------------------------------------------------//
USMatrix4x4 MOAIGfxDevice::GetModelToWndMtx () const {
USMatrix4x4 modelToWnd = this->GetModelToWorldMtx ();
modelToWnd.Append ( this->GetWorldToWndMtx ());
return modelToWnd;
}
