Add IW3 zone writing

src/ZoneWriting/Game/IW3/ZoneWriterFactoryIW3.cpp

@@ -0,0 +1,91 @@
+#include "ZoneWriterFactoryIW3.h"
+
+#include <cstring>
+
+#include "ContentWriterIW3.h"
+#include "Game/IW3/IW3.h"
+#include "Game/IW3/GameIW3.h"
+#include "Game/IW3/ZoneConstantsIW3.h"
+#include "Writing/Processor/OutputProcessorDeflate.h"
+#include "Writing/Steps/StepAddOutputProcessor.h"
+#include "Writing/Steps/StepWriteXBlockSizes.h"
+#include "Writing/Steps/StepWriteZoneContentToFile.h"
+#include "Writing/Steps/StepWriteZoneContentToMemory.h"
+#include "Writing/Steps/StepWriteZoneHeader.h"
+#include "Writing/Steps/StepWriteZoneSizes.h"
+
+using namespace IW3;
+
+class ZoneWriterFactory::Impl
+{
+    Zone* m_zone;
+    std::unique_ptr<ZoneWriter> m_writer;
+
+public:
+    explicit Impl(Zone* zone)
+        : m_zone(zone),
+        m_writer(std::make_unique<ZoneWriter>())
+    {
+    }
+
+    void SetupBlocks() const
+    {
+#define XBLOCK_DEF(name, type) std::make_unique<XBlock>(STR(name), name, type)
+
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_TEMP, XBlock::Type::BLOCK_TYPE_TEMP));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_RUNTIME, XBlock::Type::BLOCK_TYPE_RUNTIME));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_LARGE_RUNTIME, XBlock::Type::BLOCK_TYPE_RUNTIME));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_PHYSICAL_RUNTIME, XBlock::Type::BLOCK_TYPE_RUNTIME));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_VIRTUAL, XBlock::Type::BLOCK_TYPE_NORMAL));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_LARGE, XBlock::Type::BLOCK_TYPE_NORMAL));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_PHYSICAL, XBlock::Type::BLOCK_TYPE_NORMAL));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_VERTEX, XBlock::Type::BLOCK_TYPE_NORMAL));
+        m_writer->AddXBlock(XBLOCK_DEF(IW3::XFILE_BLOCK_INDEX, XBlock::Type::BLOCK_TYPE_NORMAL));
+
+#undef XBLOCK_DEF
+    }
+
+    static ZoneHeader CreateHeaderForParams()
+    {
+        ZoneHeader header{};
+        header.m_version = ZoneConstants::ZONE_VERSION;
+        memcpy(header.m_magic, ZoneConstants::MAGIC_UNSIGNED, sizeof(ZoneHeader::m_magic));
+
+        return header;
+    }
+
+    std::unique_ptr<ZoneWriter> CreateWriter()
+    {
+        SetupBlocks();
+
+        auto contentInMemory = std::make_unique<StepWriteZoneContentToMemory>(std::make_unique<ContentWriter>(), m_zone, ZoneConstants::OFFSET_BLOCK_BIT_COUNT, ZoneConstants::INSERT_BLOCK);
+        auto* contentInMemoryPtr = contentInMemory.get();
+        m_writer->AddWritingStep(std::move(contentInMemory));
+
+        // Write zone header
+        m_writer->AddWritingStep(std::make_unique<StepWriteZoneHeader>(CreateHeaderForParams()));
+
+        m_writer->AddWritingStep(std::make_unique<StepAddOutputProcessor>(std::make_unique<OutputProcessorDeflate>()));
+
+        // Start of the XFile struct
+        m_writer->AddWritingStep(std::make_unique<StepWriteZoneSizes>(contentInMemoryPtr));
+        m_writer->AddWritingStep(std::make_unique<StepWriteXBlockSizes>(m_zone));
+
+        // Start of the zone content
+        m_writer->AddWritingStep(std::make_unique<StepWriteZoneContentToFile>(contentInMemoryPtr));
+
+        // Return the fully setup zoneloader
+        return std::move(m_writer);
+    }
+};
+
+bool ZoneWriterFactory::SupportsZone(Zone* zone) const
+{
+    return zone->m_game == &g_GameIW3;
+}
+
+std::unique_ptr<ZoneWriter> ZoneWriterFactory::CreateWriter(Zone* zone) const
+{
+    Impl impl(zone);
+    return impl.CreateWriter();
+}

src/ZoneWriting/Game/IW3/ZoneWriterFactoryIW3.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <memory>
+
+#include "Writing/IZoneWriterFactory.h"
+
+namespace IW3
+{
+    class ZoneWriterFactory final : public IZoneWriterFactory
+    {
+        class Impl;
+
+    public:
+        _NODISCARD bool SupportsZone(Zone* zone) const override;
+        _NODISCARD std::unique_ptr<ZoneWriter> CreateWriter(Zone* zone) const override;
+    };
+}