Merge pull request #753 from pagingred/iw5_physpreset_dumper

feat: phys presets dumping and loading for IW3, IW5, T5
2026-05-13 21:51:42 +00:00 · 2026-05-02 06:01:59 -04:00
parent 704b191b97
commit 759a3ccf0e
41 changed files with 1698 additions and 12 deletions
@@ -0,0 +1,108 @@
+#include "PhysPresetInfoStringDumperT5.h"
+
+#include "Game/T5/InfoString/InfoStringFromStructConverter.h"
+#include "Game/T5/ObjConstantsT5.h"
+#include "Game/T5/PhysPreset/PhysPresetFields.h"
+#include "PhysPreset/PhysPresetCommon.h"
+
+#include <algorithm>
+#include <cassert>
+#include <cmath>
+#include <type_traits>
+
+using namespace T5;
+
+namespace
+{
+    class InfoStringFromPhysPresetConverter final : public InfoStringFromStructConverter
+    {
+    protected:
+        void FillFromExtensionField(const cspField_t& field) override
+        {
+            assert(false);
+        }
+
+    public:
+        InfoStringFromPhysPresetConverter(const PhysPresetInfo* structure,
+                                          const cspField_t* fields,
+                                          const size_t fieldCount,
+                                          std::function<std::string(scr_string_t)> scriptStringValueCallback)
+            : InfoStringFromStructConverter(structure, fields, fieldCount, std::move(scriptStringValueCallback))
+        {
+        }
+    };
+
+    void CopyToPhysPresetInfo(const PhysPreset* physPreset, PhysPresetInfo* physPresetInfo)
+    {
+        physPresetInfo->mass = std::clamp(physPreset->mass * 1000.0f, 1.0f, 2000.0f);
+        physPresetInfo->bounce = physPreset->bounce;
+
+        if (physPreset->friction >= MAX_FRICTION)
+        {
+            physPresetInfo->isFrictionInfinity = 1;
+            physPresetInfo->friction = 0;
+        }
+        else
+        {
+            physPresetInfo->isFrictionInfinity = 0;
+            physPresetInfo->friction = physPreset->friction;
+        }
+
+        physPresetInfo->bulletForceScale = physPreset->bulletForceScale;
+        physPresetInfo->explosiveForceScale = physPreset->explosiveForceScale;
+        physPresetInfo->piecesSpreadFraction = physPreset->piecesSpreadFraction;
+        physPresetInfo->piecesUpwardVelocity = physPreset->piecesUpwardVelocity;
+        physPresetInfo->canFloat = physPreset->canFloat;
+        physPresetInfo->gravityScale = std::clamp(physPreset->gravityScale, 0.01f, 10.0f);
+        physPresetInfo->centerOfMassOffset = physPreset->centerOfMassOffset;
+        physPresetInfo->buoyancyBoxMin = physPreset->buoyancyBoxMin;
+        physPresetInfo->buoyancyBoxMax = physPreset->buoyancyBoxMax;
+    }
+
+    InfoString CreateInfoString(const XAssetInfo<PhysPreset>& asset)
+    {
+        auto* physPresetInfo = new PhysPresetInfo;
+        CopyToPhysPresetInfo(asset.Asset(), physPresetInfo);
+
+        InfoStringFromPhysPresetConverter converter(physPresetInfo,
+                                                    phys_preset_fields,
+                                                    std::extent_v<decltype(phys_preset_fields)>,
+                                                    [asset](const scr_string_t scrStr) -> std::string
+                                                    {
+                                                        assert(scrStr < asset.m_zone->m_script_strings.Count());
+                                                        if (scrStr >= asset.m_zone->m_script_strings.Count())
+                                                            return "";
+
+                                                        return asset.m_zone->m_script_strings[scrStr];
+                                                    });
+
+        return converter.Convert();
+    }
+} // namespace
+
+namespace phys_preset
+{
+    void InfoStringDumperT5::DumpAsset(AssetDumpingContext& context, const XAssetInfo<AssetPhysPreset::Type>& asset)
+    {
+        // Only dump raw when no gdt available
+        if (context.m_gdt)
+        {
+            const auto infoString = CreateInfoString(asset);
+            GdtEntry gdtEntry(asset.m_name, GDF_FILENAME_PHYS_PRESET);
+            infoString.ToGdtProperties(INFO_STRING_PREFIX_PHYS_PRESET, gdtEntry);
+            context.m_gdt->WriteEntry(gdtEntry);
+        }
+        else
+        {
+            const auto assetFile = context.OpenAssetFile(GetFileNameForAssetName(asset.m_name));
+
+            if (!assetFile)
+                return;
+
+            auto& stream = *assetFile;
+            const auto infoString = CreateInfoString(asset);
+            const auto stringValue = infoString.ToString(INFO_STRING_PREFIX_PHYS_PRESET);
+            stream.write(stringValue.c_str(), stringValue.size());
+        }
+    }
+} // namespace phys_preset