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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file contains the StateSet render node declaration.
#ifndef O3D_CORE_CROSS_STATE_SET_H_
#define O3D_CORE_CROSS_STATE_SET_H_
#include "core/cross/render_node.h"
#include "core/cross/state.h"
namespace o3d {
// A StateSet is a render node that sets render states for all of its children.
class StateSet : public RenderNode {
public:
typedef SmartPointer<StateSet> Ref;
// Names of StateSet Params.
static const char* kStateParamName;
// Gets the state.
State* state() const {
return state_param_->value();
}
// Sets the state.
void set_state(State* value) {
state_param_->set_value(value);
}
// Overridden from RenderNode. Sets the state.
virtual void Render(RenderContext* render_context);
// Overridden from RenderNode. Restores the state.
virtual void PostRender(RenderContext* render_context);
private:
explicit StateSet(ServiceLocator* service_locator);
friend class IClassManager;
static ObjectBase::Ref Create(ServiceLocator* service_locator);
ParamState::Ref state_param_; // state
O3D_DECL_CLASS(StateSet, RenderNode);
DISALLOW_COPY_AND_ASSIGN(StateSet);
};
} // namespace o3d
#endif // O3D_CORE_CROSS_STATE_SET_H_
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