void localToTarget(float &x, float& y, IFlashDisplayObject* target)
{
if ( target == 0 ){
//по определению
localToGlobal(x, y);
//Несколько частных случаев для ускорения работы (getCommonAncestor дорогой)
}else if ( target == this ){
return;
}else if ( target == parent ){
return localToParent(x, y);
}else if ( target->getParent() == parent ){
localToParent(x, y);
target->parentToLocal(x, y);
}else{
IFlashDisplayObject* commonAncestor = getCommonAncestor(target);
if ( !commonAncestor ){
localToGlobal(x, y);
target->globalToLocal(x, y);
}else{
IFlashDisplayObject* current = this;
while ( current != commonAncestor ){
current->localToParent(x, y);
current = current->getParent();
}
__ancestorToLocal(x, y, current, target);
}
}
};
void EclassModelNode::updateTransform()
{
localToParent() = Matrix4::getIdentity();
localToParent().translateBy(_origin);
localToParent().multiplyBy(_rotation.getMatrix4());
EntityNode::transformChanged();
}
void SceneObject::draw(ShaderStack *stack)
{
bool shaderOverridden = false;
if ( !geometry()->isEmpty() )
{
// If we have a shader override, push the override.
QString shaderOverrideName = geometry()->shaderOverride();
if ( !shaderOverrideName.isNull() )
{
ShaderProgram* program = resourceManager()->shader(shaderOverrideName);
if ( program )
{
shaderOverridden = true;
stack->shaderPush(program);
}
}
}
// Multiply the modelWorld matrix by our current one.
// This updates the shader uniform too.
// We do this even if the geometry is empty, so that the
// transformation will apply recursively.
// It is the caller's responsibility to manage pushing
// and popping of the m2w matrix.
stack->modelToWorldPostMultiply(localToParent());
if ( !geometry()->isEmpty() )
{
// Upload and bind the geometry.
geometry()->upload();
geometry()->bindVertices(true);
geometry()->bindIndices(true);
// Apply the data format.
geometry()->applyDataFormat(stack->shaderTop());
// If we're selected, set the global colour.
bool pushedColor = false;
MapDocument* doc = m_pScene->document();
if ( doc->selectedSet().contains(this) )
{
pushedColor = true;
stack->globalColorPush();
stack->globalColorSetTop(doc->selectedColor());
}
// Apply the texture.
QOpenGLTexture* tex = resourceManager()->texture(geometry()->texture(0));
tex->bind(0);
// Draw.
geometry()->draw();
if ( pushedColor )
{
stack->globalColorPop();
}
// Pop the shader if we pushed one earlier.
if ( shaderOverridden )
{
stack->shaderPop();
}
}
}
