109 lines
3.4 KiB
C++
109 lines
3.4 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 MEDIASTATION_CLIENTS_H
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#define MEDIASTATION_CLIENTS_H
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#include "mediastation/datafile.h"
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namespace MediaStation {
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class ParameterClient {
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public:
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ParameterClient() {};
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virtual ~ParameterClient() {};
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virtual bool attemptToReadFromStream(Chunk &chunk, uint sectionType) = 0;
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};
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enum DeviceOwnerSectionType {
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kDeviceOwnerAllowMultipleSounds = 0x35,
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kDeviceOwnerAllowMultipleStreams = 0x36,
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};
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class DeviceOwner : public ParameterClient {
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public:
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virtual bool attemptToReadFromStream(Chunk &chunk, uint sectionType) override;
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bool _allowMultipleSounds = false;
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bool _allowMultipleStreams = false;
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};
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enum DocumentSectionType {
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kDocumentContextLoadComplete = 0x10,
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kDocumentStartupInformation = 0x2e,
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kDocumentEntryScreen = 0x2f,
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};
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class Document : public ParameterClient {
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public:
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virtual bool attemptToReadFromStream(Chunk &chunk, uint sectionType) override;
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void readStartupInformation(Chunk &chunk);
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void readContextLoadComplete(Chunk &chunk);
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void beginTitle(uint overriddenEntryPointScreenId = 0);
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void startContextLoad(uint contextId);
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bool isContextLoadInProgress(uint contextId);
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void branchToScreen();
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void scheduleScreenBranch(uint screenActorId);
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void scheduleContextRelease(uint contextId);
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void streamDidClose(uint streamId);
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void streamDidFinish(uint streamId);
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// These implementations are left empty because they are empty in the original,
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// but they are kept because they are technically still defined in the original.
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void streamDidOpen(uint streamId) {};
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void streamWillRead(uint streamId) {};
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void process();
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uint contextIdForScreenActorId(uint screenActorId);
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private:
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uint _currentScreenActorId = 0;
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StreamFeed *_currentStreamFeed = nullptr;
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Common::Array<uint> _requestedContextReleaseId;
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Common::Array<uint> _contextLoadQueue;
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uint _requestedScreenBranchId = 0;
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bool _entryPointScreenIdWasOverridden = false;
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uint _entryPointScreenId = 0;
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uint _entryPointStreamId = 0;
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uint _loadingContextId = 0;
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uint _loadingScreenActorId = 0;
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void contextLoadDidComplete();
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void screenLoadDidComplete();
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void startFeed(uint streamId);
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// This is named stopFeed in the original, but it is a bit of a misnomer
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// because it also closes the stream feed. In the lower-level stream feed manager
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// and stream feeds themselves, stopping the stream feed and closing it is
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// two separate operations.
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void stopFeed();
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void blowAwayCurrentScreen();
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void preloadParentContexts(uint contextId);
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void addToContextLoadQueue(uint contextId);
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bool isContextLoadQueued(uint contextId);
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void checkQueuedContextLoads();
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};
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} // End of namespace MediaStation
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#endif
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