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Gameleap/code/mw4/Libraries/Adept/SwitchComponent.cpp

@@ -0,0 +1,181 @@
+#include "AdeptHeaders.hpp"
+
+#include "VideoHeaders.hpp"
+
+using namespace ElementRenderer;
+
+//
+// Class Data Support
+//
+Component::ClassData*
+	SwitchComponent::DefaultData = NULL;
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+void
+	SwitchComponent::InitializeClass()
+{
+	Verify(!DefaultData);
+	DefaultData =
+		new ClassData(
+			SwitchComponentClassID,
+			"Adept::SwitchComponent",
+			BaseClass::DefaultData,
+			0,
+			NULL
+		);
+	Register_Object(DefaultData);
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+void
+	SwitchComponent::TerminateClass()
+{
+	Unregister_Object(DefaultData);
+	delete DefaultData;
+	DefaultData = NULL;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+SwitchComponent::SwitchComponent(
+	ClassData *shared_data,
+	MemoryStream *stream,
+	VideoComponentWeb *owning_web
+):
+	VideoComponent(
+		shared_data,
+		stream,
+		owning_web,
+		AllocateSwitch()
+	)
+{
+	//
+	//---------------------
+	// Hook up to our input
+	//---------------------
+	//
+	ComponentID component_id;
+	component_id.scriptResourceID = owning_web->GetScriptResourceID();
+	*stream >> component_id.componentNumber;
+	Component *component = owning_web->FindComponent(component_id);
+	Check_Object(component);
+	ChannelOf<int>* channel = Cast_Object(ChannelOf<int>*, component);
+	channel->AddDependant(this);
+
+	//
+	//---------------------------
+	// Get the lOD implementation
+	//---------------------------
+	//
+	SwitchElement *s = GetElement();
+	Check_Object(s);
+
+	//
+	//-----------------------------
+	// Get the number of Switch ranges
+	//-----------------------------
+	//
+	unsigned child_count;
+	*stream >> child_count;
+	Verify(child_count < 65536);
+	s->SetSize(static_cast<WORD>(child_count));
+
+	//
+	//--------------------------------------------------------------
+	// Spin through the ranges, setting the range for each Switch child
+	//--------------------------------------------------------------
+	//
+	for (WORD i=0; i<child_count; ++i)
+	{
+		ComponentID component_id;
+		component_id.scriptResourceID = owning_web->GetScriptResourceID();
+		*stream >> component_id.componentNumber;
+		Component *component = owning_web->FindComponent(component_id);
+		Check_Object(component);
+		VideoComponent *child = Cast_Object(VideoComponent*, component);
+		s->AttachIndexedChild(i, child->GetElement());
+	}
+
+	//
+	//--------------------------------------
+	// Set the bounding sphere for this node
+	//--------------------------------------
+	//
+	s->NeedNewBounds();
+	unsigned setting = channel->ReadChannel();
+	Max_Clamp(setting, child_count);
+	s->SetSwitch(static_cast<WORD>(setting));
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+SwitchElement*
+	SwitchComponent::AllocateSwitch()
+{
+//	gos_PushCurrentHeap(Heap);
+	SwitchElement *s = new SwitchElement;
+//	gos_PopCurrentHeap();
+	Register_Object(s);
+	return s;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+SwitchComponent*
+	SwitchComponent::Make(
+		MemoryStream *stream,
+		VideoComponentWeb *owning_web
+	)
+
+{
+	SwitchComponent *s =
+		new SwitchComponent(DefaultData, stream, owning_web);
+	return s;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+void
+	SwitchComponent::ChannelChanged(Channel* channel)
+{
+	Check_Object(this);
+	Check_Object(channel);
+
+	//
+	//-----------------------------------------------
+	// If we got an int based command, set the switch
+	//-----------------------------------------------
+	//
+	if (channel->IsDerivedFrom(ChannelOf<int>::DefaultData))
+	{
+		ChannelOf<int> *int_channel = Cast_Object(ChannelOf<int>*, channel);
+		Verify(static_cast<unsigned>(int_channel->ReadChannel()) < 65536);
+		WORD setting = static_cast<WORD>(int_channel->ReadChannel());
+		SwitchElement *s = GetElement();
+		Check_Object(s);
+		s->SetSwitch(setting);
+		RendererComponentWeb *web = Cast_Object(RendererComponentWeb *, GetComponentWeb());
+		Entity *entity;
+		entity = web->GetEntity();
+		Check_Object(entity);
+		entity->NeedMatrixSync();
+	}
+
+	//
+	//---------------------------------------
+	// Otherwise, let our parent deal with it
+	//---------------------------------------
+	//
+	else
+		BaseClass::ChannelChanged(channel);
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+void
+	SwitchComponent::TestInstance()
+{
+	Verify(IsDerivedFrom(DefaultData));
+}