342 lines
12 KiB
C++
342 lines
12 KiB
C++
#include "CWorldLoader.h"
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#include <Core/CResCache.h>
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#include <Core/Log.h>
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#include <iostream>
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CWorldLoader::CWorldLoader()
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{
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}
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void CWorldLoader::LoadPrimeMLVL(CInputStream& MLVL)
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{
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/**
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* This function loads MLVL files from Prime 1/2
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* Corruption isn't too different, but having to check for it on every file ID is obnoxious
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* We start immediately after the "version" value (0x8 in the file)
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*/
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// Header
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if (mVersion < eCorruptionProto)
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{
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mpWorld->mpWorldName = (CStringTable*) gResCache.GetResource(MLVL.ReadLong(), "STRG");
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if (mVersion == eEchoes) mpWorld->mpDarkWorldName = (CStringTable*) gResCache.GetResource(MLVL.ReadLong(), "STRG");
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if (mVersion > ePrime) mpWorld->mUnknown1 = MLVL.ReadLong();
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if (mVersion >= ePrime) mpWorld->mpSaveWorld = gResCache.GetResource(MLVL.ReadLong(), "SAVW");
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mpWorld->mpDefaultSkybox = (CModel*) gResCache.GetResource(MLVL.ReadLong(), "CMDL");
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}
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else
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{
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mpWorld->mpWorldName = (CStringTable*) gResCache.GetResource(MLVL.ReadLongLong(), "STRG");
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MLVL.Seek(0x4, SEEK_CUR); // Skipping unknown value
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mpWorld->mpSaveWorld = gResCache.GetResource(MLVL.ReadLongLong(), "SAVW");
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mpWorld->mpDefaultSkybox = (CModel*) gResCache.GetResource(MLVL.ReadLongLong(), "CMDL");
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}
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// Memory relays - only in MP1
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if (mVersion == ePrime)
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{
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u32 NumMemoryRelays = MLVL.ReadLong();
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mpWorld->mMemoryRelays.reserve(NumMemoryRelays);
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for (u32 iMem = 0; iMem < NumMemoryRelays; iMem++)
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{
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CWorld::SMemoryRelay MemRelay;
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MemRelay.InstanceID = MLVL.ReadLong();
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MemRelay.TargetID = MLVL.ReadLong();
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MemRelay.Message = MLVL.ReadShort();
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MemRelay.Unknown = MLVL.ReadByte();
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mpWorld->mMemoryRelays.push_back(MemRelay);
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}
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}
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// Areas - here's the real meat of the file
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u32 NumAreas = MLVL.ReadLong();
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if (mVersion == ePrime) mpWorld->mUnknownAreas = MLVL.ReadLong();
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mpWorld->mAreas.resize(NumAreas);
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for (u32 iArea = 0; iArea < NumAreas; iArea++)
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{
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// Area header
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CWorld::SArea *pArea = &mpWorld->mAreas[iArea];
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if (mVersion < eCorruptionProto)
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pArea->pAreaName = (CStringTable*) gResCache.GetResource(MLVL.ReadLong(), "STRG");
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else
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pArea->pAreaName = (CStringTable*) gResCache.GetResource(MLVL.ReadLongLong(), "STRG");
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pArea->AreaNameToken = CToken(pArea->pAreaName);
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pArea->Transform = CTransform4f(MLVL);
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pArea->AetherBox = CAABox(MLVL);
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if (mVersion < eCorruptionProto)
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{
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pArea->FileID = MLVL.ReadLong() & 0xFFFFFFFF; // This is the MREA ID; not actually loading it for obvious reasons
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pArea->AreaID = MLVL.ReadLong() & 0xFFFFFFFF;
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}
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else
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{
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pArea->FileID = MLVL.ReadLongLong();
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pArea->AreaID = MLVL.ReadLongLong();
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}
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// Attached areas
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u32 NumAttachedAreas = MLVL.ReadLong();
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pArea->AttachedAreaIDs.reserve(NumAttachedAreas);
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for (u32 iAttached = 0; iAttached < NumAttachedAreas; iAttached++)
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pArea->AttachedAreaIDs.push_back( MLVL.ReadShort() );
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if (mVersion < eCorruptionProto)
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MLVL.Seek(0x4, SEEK_CUR); // Skipping unknown value (always 0)
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// Depedencies
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if (mVersion < eCorruptionProto)
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{
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u32 NumDependencies = MLVL.ReadLong();
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pArea->Dependencies.reserve(NumDependencies);
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for (u32 iDep = 0; iDep < NumDependencies; iDep++)
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{
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SDependency Dependency;
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Dependency.ResID = MLVL.ReadLong() & 0xFFFFFFFF;
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Dependency.ResType = MLVL.ReadLong();
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pArea->Dependencies.push_back(Dependency);
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}
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/**
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* Dependency offsets - indicates an offset into the dependency list where each layer's dependencies start
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* The count is the layer count + 1 because the last offset is for common dependencies, like terrain textures
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*/
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u32 NumDependencyOffsets = MLVL.ReadLong();
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pArea->Layers.resize(NumDependencyOffsets - 1);
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for (u32 iOff = 0; iOff < NumDependencyOffsets; iOff++)
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{
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u32 *Target;
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if (iOff == NumDependencyOffsets - 1) Target = &pArea->CommonDependenciesStart;
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else Target = &pArea->Layers[iOff].LayerDependenciesStart;
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*Target = MLVL.ReadLong();
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}
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}
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// Docks
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u32 NumDocks = MLVL.ReadLong();
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pArea->Docks.resize(NumDocks);
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for (u32 iDock = 0; iDock < NumDocks; iDock++)
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{
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u32 NumConnectingDocks = MLVL.ReadLong();
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CWorld::SArea::SDock* pDock = &pArea->Docks[iDock];
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pDock->ConnectingDocks.reserve(NumConnectingDocks);
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for (u32 iConnect = 0; iConnect < NumConnectingDocks; iConnect++)
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{
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CWorld::SArea::SDock::SConnectingDock ConnectingDock;
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ConnectingDock.AreaIndex = MLVL.ReadLong();
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ConnectingDock.DockIndex = MLVL.ReadLong();
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pDock->ConnectingDocks.push_back(ConnectingDock);
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}
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u32 NumCoordinates = MLVL.ReadLong();
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if (NumCoordinates != 4) std::cout << "\rError: Dock coordinate count not 4\n";
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for (u32 iCoord = 0; iCoord < NumCoordinates; iCoord++)
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pDock->DockCoordinates[iCoord] = CVector3f(MLVL);
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}
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// Rels
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if (mVersion == eEchoes)
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{
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u32 NumRels = MLVL.ReadLong();
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pArea->RelFilenames.resize(NumRels);
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for (u32 iRel = 0; iRel < NumRels; iRel++)
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pArea->RelFilenames[iRel] = MLVL.ReadString();
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u32 NumRelOffsets = MLVL.ReadLong(); // Don't know what these offsets correspond to
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pArea->RelOffsets.resize(NumRelOffsets);
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for (u32 iOff = 0; iOff < NumRelOffsets; iOff++)
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pArea->RelOffsets[iOff] = MLVL.ReadLong();
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}
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// Footer
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if (mVersion >= eEchoes)
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pArea->InternalName = MLVL.ReadString();
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}
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// MapWorld
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if (mVersion < eCorruptionProto)
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mpWorld->mpMapWorld = gResCache.GetResource(MLVL.ReadLong(), "MAPW");
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else
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mpWorld->mpMapWorld = gResCache.GetResource(MLVL.ReadLongLong(), "MAPW");
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MLVL.Seek(0x5, SEEK_CUR); // Unknown values which are always 0
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// AudioGrps
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if (mVersion == ePrime)
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{
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u32 NumAudioGrps = MLVL.ReadLong();
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mpWorld->mAudioGrps.reserve(NumAudioGrps);
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for (u32 iGrp = 0; iGrp < NumAudioGrps; iGrp++)
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{
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CWorld::SAudioGrp AudioGrp;
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AudioGrp.Unknown = MLVL.ReadLong();
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AudioGrp.ResID = MLVL.ReadLong() & 0xFFFFFFFF;
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mpWorld->mAudioGrps.push_back(AudioGrp);
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}
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MLVL.Seek(0x1, SEEK_CUR); // Unknown values which are always 0
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}
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// Layer flags
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MLVL.Seek(0x4, SEEK_CUR); // Skipping redundant area count
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for (u32 iArea = 0; iArea < NumAreas; iArea++)
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{
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CWorld::SArea* pArea = &mpWorld->mAreas[iArea];
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u32 NumLayers = MLVL.ReadLong();
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if (NumLayers != pArea->Layers.size()) pArea->Layers.resize(NumLayers);
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u64 LayerFlags = MLVL.ReadLongLong();
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for (u32 iLayer = 0; iLayer < NumLayers; iLayer++)
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pArea->Layers[iLayer].EnabledByDefault = (((LayerFlags >> iLayer) & 0x1) == 1);
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}
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// Layer names
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MLVL.Seek(0x4, SEEK_CUR); // Skipping redundant layer count
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for (u32 iArea = 0; iArea < NumAreas; iArea++)
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{
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CWorld::SArea* pArea = &mpWorld->mAreas[iArea];
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u32 NumLayers = pArea->Layers.size();
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for (u32 iLayer = 0; iLayer < NumLayers; iLayer++)
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pArea->Layers[iLayer].LayerName = MLVL.ReadString();
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}
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// Last part of the file is layer name offsets, but we don't need it
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// todo: Layer ID support for MP3
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mpWorld->mResTokens[0] = CToken(mpWorld->mpWorldName);
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mpWorld->mResTokens[1] = CToken(mpWorld->mpDarkWorldName);
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mpWorld->mResTokens[2] = CToken(mpWorld->mpSaveWorld);
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mpWorld->mResTokens[3] = CToken(mpWorld->mpDefaultSkybox);
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mpWorld->mResTokens[4] = CToken(mpWorld->mpMapWorld);
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}
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void CWorldLoader::LoadReturnsMLVL(CInputStream& MLVL)
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{
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mpWorld->mpWorldName = (CStringTable*) gResCache.GetResource(MLVL.ReadLongLong(), "STRG");
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bool Check = (MLVL.ReadByte() != 0);
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if (Check)
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{
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MLVL.ReadString();
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MLVL.Seek(0x10, SEEK_CUR);
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}
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mpWorld->mpSaveWorld = gResCache.GetResource(MLVL.ReadLongLong(), "SAVW");
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mpWorld->mpDefaultSkybox = (CModel*) gResCache.GetResource(MLVL.ReadLongLong(), "CMDL");
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// Areas
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u32 NumAreas = MLVL.ReadLong();
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mpWorld->mAreas.resize(NumAreas);
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for (u32 iArea = 0; iArea < NumAreas; iArea++)
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{
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// Area header
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CWorld::SArea *pArea = &mpWorld->mAreas[iArea];
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pArea->pAreaName = (CStringTable*) gResCache.GetResource(MLVL.ReadLongLong(), "STRG");
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pArea->Transform = CTransform4f(MLVL);
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pArea->AetherBox = CAABox(MLVL);
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pArea->FileID = MLVL.ReadLongLong();
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pArea->AreaID = MLVL.ReadLongLong();
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pArea->AreaNameToken = CToken(pArea->pAreaName);
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MLVL.Seek(0x4, SEEK_CUR);
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pArea->InternalName = MLVL.ReadString();
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}
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// Layer flags
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MLVL.Seek(0x4, SEEK_CUR); // Skipping redundant area count
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for (u32 iArea = 0; iArea < NumAreas; iArea++)
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{
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CWorld::SArea* pArea = &mpWorld->mAreas[iArea];
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u32 NumLayers = MLVL.ReadLong();
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pArea->Layers.resize(NumLayers);
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u64 LayerFlags = MLVL.ReadLongLong();
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for (u32 iLayer = 0; iLayer < NumLayers; iLayer++)
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pArea->Layers[iLayer].EnabledByDefault = (((LayerFlags >> iLayer) & 0x1) == 1);
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}
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// Layer names
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MLVL.Seek(0x4, SEEK_CUR); // Skipping redundant layer count
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for (u32 iArea = 0; iArea < NumAreas; iArea++)
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{
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CWorld::SArea* pArea = &mpWorld->mAreas[iArea];
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u32 NumLayers = pArea->Layers.size();
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for (u32 iLayer = 0; iLayer < NumLayers; iLayer++)
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pArea->Layers[iLayer].LayerName = MLVL.ReadString();
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}
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// Last part of the file is layer name offsets, but we don't need it
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// todo: Layer ID support
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mpWorld->mResTokens[0] = CToken(mpWorld->mpWorldName);
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mpWorld->mResTokens[1] = CToken(mpWorld->mpDarkWorldName);
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mpWorld->mResTokens[2] = CToken(mpWorld->mpSaveWorld);
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mpWorld->mResTokens[3] = CToken(mpWorld->mpDefaultSkybox);
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mpWorld->mResTokens[4] = CToken(mpWorld->mpMapWorld);
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}
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CWorld* CWorldLoader::LoadMLVL(CInputStream& MLVL)
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{
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if (!MLVL.IsValid()) return nullptr;
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Log::Write("Loading " + MLVL.GetSourceString());
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u32 Magic = MLVL.ReadLong();
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if (Magic != 0xDEAFBABE)
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{
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Log::FileError(MLVL.GetSourceString(), "Invalid MLVL magic: " + TString::HexString(Magic));
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return nullptr;
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}
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u32 FileVersion = MLVL.ReadLong();
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EGame Version = GetFormatVersion(FileVersion);
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if (Version == eUnknownVersion)
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{
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Log::FileError(MLVL.GetSourceString(), "Unsupported MLVL version: " + TString::HexString(FileVersion));
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return nullptr;
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}
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// Filestream is valid, magic+version are valid; everything seems good!
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CWorldLoader Loader;
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Loader.mpWorld = new CWorld();
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Loader.mpWorld->mWorldVersion = Version;
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Loader.mVersion = Version;
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if (Version != eReturns)
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Loader.LoadPrimeMLVL(MLVL);
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else
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Loader.LoadReturnsMLVL(MLVL);
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return Loader.mpWorld;
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}
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EGame CWorldLoader::GetFormatVersion(u32 Version)
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{
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switch (Version)
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{
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case 0xD: return ePrimeDemo;
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case 0x11: return ePrime;
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case 0x14: return eEchoesDemo;
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case 0x17: return eEchoes;
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case 0x19: return eCorruption;
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case 0x1B: return eReturns;
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default: return eUnknownVersion;
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}
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}
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