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