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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef STARK_RESOURCES_LAYER_H
#define STARK_RESOURCES_LAYER_H
#include "common/array.h"
#include "common/str.h"
#include "engines/stark/gfx/renderentry.h"
#include "engines/stark/resources/object.h"
namespace Stark {
namespace Formats {
class XRCReadStream;
}
namespace Resources {
class Item;
/**
* A location layer
*
* Layers own the scene items
*/
class Layer : public Object {
public:
static const Type::ResourceType TYPE = Type::kLayer;
enum SubType {
kLayer2D = 1,
kLayer3D = 2
};
/** Layer factory */
static Object *construct(Object *parent, byte subType, uint16 index, const Common::String &name);
Layer(Object *parent, byte subType, uint16 index, const Common::String &name);
virtual ~Layer();
// Resource API
virtual void readData(Formats::XRCReadStream *stream) override;
virtual void saveLoad(ResourceSerializer *serializer) override;
virtual void saveLoadCurrent(ResourceSerializer *serializer) override;
/** Obtain the render entry for the background item */
virtual Gfx::RenderEntry *getBackgroundRenderEntry() = 0;
/** Obtain the render entries for all items, including the background */
virtual Gfx::RenderEntryArray listRenderEntries() = 0;
/** Obtain a list of render entries for all the lights in the layer */
Gfx::LightEntryArray listLightEntries();
/** Scroll the layer to the specified position */
void setScrollPosition(const Common::Point &position);
/** Get the current scroll for this layer */
Common::Point getScroll() const;
/** Set the current scroll for this layer */
void setScroll(const Common::Point &scroll);
/** Enable the layer */
void enable(bool enabled);
/** Is the layer enabled? Disabled layers are not drawn. */
bool isEnabled() const;
protected:
void printData() override;
Common::Point _scroll;
float _scrollScale; // Used for the parallax effect
bool _enabled;
};
/**
* A 2D layer
*
* 2D layers contain 2D positioned items
*/
class Layer2D : public Layer {
public:
Layer2D(Object *parent, byte subType, uint16 index, const Common::String &name);
virtual ~Layer2D();
// Resource API
void readData(Formats::XRCReadStream *stream) override;
void onEnterLocation() override;
void onExitLocation() override;
// Layer API
Gfx::RenderEntry *getBackgroundRenderEntry() override;
Gfx::RenderEntryArray listRenderEntries() override;
protected:
void printData() override;
Common::Array<uint32> _itemIndices;
Common::Array<Item *> _items;
};
/**
* A 3D layer
*
* 3D layers contain 3D positioned items, a camera and a floorfield
*/
class Layer3D : public Layer {
public:
Layer3D(Object *parent, byte subType, uint16 index, const Common::String &name);
virtual ~Layer3D();
// Resource API
void readData(Formats::XRCReadStream *stream) override;
void onAllLoaded() override;
// Layer API
Gfx::RenderEntry *getBackgroundRenderEntry() override;
Gfx::RenderEntryArray listRenderEntries() override;
protected:
void printData() override;
uint32 _field_54;
uint32 _maxShadowLength;
float _nearClipPlane;
float _farClipPlane;
Item *_backgroundItem;
Common::Array<Item *> _items;
};
} // End of namespace Resources
} // End of namespace Stark
#endif // STARK_RESOURCES_LAYER_H
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