//----------------------------------------------------------------//
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;
}
//----------------------------------------------------------------//
void MOAIGfxDevice::BeginLayer () {
float width = ( float )this->mWidth;
float height = ( float )this->mHeight;
MOAIViewport viewport;
viewport.Init ( 0.0f, 0.0f, width, height );
viewport.SetScale ( width, -height );
viewport.SetOffset ( -1.0f, 1.0f );
this->SetViewport ( viewport );
for ( u32 i = 0; i < TOTAL_VTX_TRANSFORMS; ++i ) {
this->mVertexTransforms [ i ].Ident ();
}
this->mUVTransform.Ident ();
this->mCpuVertexTransformMtx.Ident ();
this->mVertexMtxInput = VTX_STAGE_MODEL;
this->mVertexMtxOutput = VTX_STAGE_MODEL;
USMatrix4x4 projMtx;
projMtx.Init ( viewport.GetProjMtx ());
this->mVertexTransforms [ VTX_PROJ_TRANSFORM ] = projMtx;
// fixed function reset
#if USE_OPENGLES1
if ( !this->IsProgrammable ()) {
// load identity matrix
glMatrixMode ( GL_MODELVIEW );
glLoadIdentity ();
glMatrixMode ( GL_PROJECTION );
this->GpuLoadMatrix ( projMtx );
glMatrixMode ( GL_TEXTURE );
glLoadIdentity ();
// reset the current vertex color
glColor4f ( 1.0f, 1.0f, 1.0f, 1.0f );
// reset the point size
glPointSize (( GLfloat )this->mPointSize );
}
#endif
}
//----------------------------------------------------------------//
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;
}
//----------------------------------------------------------------//
void MOAIGfxDevice::SetVertexTransform ( u32 id, const USAffine3D& transform ) {
USMatrix4x4 mtx;
mtx.Init ( transform );
this->SetVertexTransform ( id, mtx );
}
//----------------------------------------------------------------//
void MOAIGfxDevice::SetUVTransform ( const USAffine3D& transform ) {
USMatrix4x4 mtx;
mtx.Init ( transform );
this->SetUVTransform ( mtx );
}