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Displaying: model_buildmap.cpp | View full page//Noesis Build Engine import support. //written for c++98/03 using Ken Silverman's BUILDINF.txt, with some bits of the vanilla Build source for reference. #include "stdafx.h" #include "../../misc_util/RichPoly2D.h" buildMapOpts_t *g_buildMapOpts = NULL; namespace { const uint32_t skMaxSectorWalkAttemptCount = 4096; const uint32_t skMaxArtFileCount = 1024; const uint32_t skSinglePaletteEntryCount = 256; const uint32_t skSinglePaletteChannelCount = 3; const uint32_t skSinglePaletteSize = skSinglePaletteEntryCount * skSinglePaletteChannelCount; const uint32_t skSingleShadingTableSize = 256; const uint32_t skSpriteSpecialPicIndexBegin = 1; //SECTOREFFECTOR const uint32_t skSpriteSpecialPicIndexEnd = 10; //GPSPEED const uint32_t skShadowWarriorStSprite = 2307; const int32_t skMaxBuildMapDimension = 1024 * 1024; const float skSpriteFudgeDistance = 4.0f; const float skSpriteCloseEnoughToWallSquared = skSpriteFudgeDistance * skSpriteFudgeDistance; const float skSpriteCloseEnoughToFloor = 2.0f; struct SMapSectorInfo { SMapSectorInfo(const bool isCCW) : mIsCCW(isCCW) { } bool mIsCCW; }; typedef std::vector<SMapSectorInfo> TMapSectorInfoList; struct SMapHeader { int32_t mVersion; int32_t mStartPos[3]; int16_t mAngle; uint16_t mStartSector; }; struct SMapSector { int16_t mWallIndex; int16_t mWallCount; int32_t mCeilingZ; int32_t mFloorZ; int16_t mCeilStat; int16_t mFloorStat; int16_t mCeilingPicIndex; int16_t mCeilingHeiNum; //slope value - "(0-parallel to floor, 4096-45 degrees)" int8_t mCeilingShade; uint8_t mCeilingPal; uint8_t mCeilingXPan; uint8_t mCeilingYPan; int16_t mFloorPicIndex; int16_t mFloorHeiNum; int8_t mFloorShade; uint8_t mFloorPal; uint8_t mFloorXPan; uint8_t mFloorYPan; uint8_t mVisibility; uint8_t mFillter; int16_t mLoTag; int16_t mHiTag; int16_t mExtra; }; NoeCtAssert(sizeof(SMapSector) == 40); struct SMapWall { int32_t mPos[2]; //note that terminology has been changed from BUILDINF.txt, because this makes a bit more sense to me. //mNextWall == "point2", mOtherWall == "nextwall", mOtherSector == "nextsector" int16_t mNextWall; //index of wall to right int16_t mOtherWall; //index to wall on other side of wall, -1 if there is no sector int16_t mOtherSector; //index to sector on other side of wall, -1 if there is no sector int16_t mCStat; int16_t mPicIndex; int16_t mOverPicIndex; int8_t mShade; uint8_t mPal; uint8_t mXRepeat; uint8_t mYRepeat; uint8_t mXPan; uint8_t mYPan; int16_t mLoTag; int16_t mHiTag; int16_t mExtra; }; NoeCtAssert(sizeof(SMapWall) == 32); struct SMapSprite { int32_t mPos[3]; int16_t mCStat; int16_t mPicIndex; int8_t mShade; uint8_t mPal; uint8_t mClipDist; uint8_t mFiller; uint8_t mXRepeat; uint8_t mYRepeat; int8_t mXOffset; int8_t mYOffset; int16_t mSectorIndex; int16_t mStatNum; int16_t mAngle; int16_t mOwner; int16_t mVel[3]; int16_t mLoTag; int16_t mHiTag; int16_t mExtra; }; NoeCtAssert(sizeof(SMapSprite) == 44); struct SMapInfo { uint32_t mSectorCount; const SMapSector *mpSectors; uint32_t mWallCount; const SMapWall *mpWalls; uint32_t mSpriteCount; const SMapSprite *mpSprites; }; enum ESectorCStatBits { kSecCStat_Parallaxing = (1 << 0), kSecCStat_Sloped = (1 << 1), kSecCStat_SwapXY = (1 << 2), kSecCStat_DoubleSmooshiness = (1 << 3), kSecCStat_XFlip = (1 << 4), kSecCStat_YFlip = (1 << 5), kSecCStat_AlignToFirstWall = (1 << 6) }; enum EWallCStatBits { kWallCStat_Blocking = (1 << 0), kWallCStat_InvisibleBottomsSwapped = (1 << 1), kWallCStat_AlignOnBottom = (1 << 2), kWallCStat_XFlip = (1 << 3), kWallCStat_Masking = (1 << 4), kWallCStat_OneWay = (1 << 5), kWallCStat_BlockingHitscan = (1 << 6), kWallCStat_Translucence = (1 << 7), kWallCStat_YFlip = (1 << 8), kWallCStat_TranslucenceReversing = (1 << 9) }; enum ESpriteCStatBits { kSprCStat_Blocking = (1 << 0), kSprCStat_Translucence = (1 << 1), kSprCStat_XFlip = (1 << 2), kSprCStat_YFlip = (1 << 3), kSprCStat_FaceOffset = 4, kSprCStat_FaceMask = (3 << kSprCStat_FaceOffset), kSprCStat_OneSided = (1 << 6), kSprCStat_Centered = (1 << 7), kSprCStat_BlockingHitscan = (1 << 8), kSprCStat_TranslucenceReversing = (1 << 9), kSprCStat_Invisible = (1 << 15) }; enum ESpriteFaceType { kSpriteFace_Facing = 0, kSpriteFace_Wall = 1, kSpriteFace_Floor = 2 }; enum ESpriteMode { kSpriteMode_NonEffectors = 0, kSpriteMode_All = 1, kSpriteMode_None = 2 }; struct SPerSectorData { RichPoly2D::TPolyShapes mConcaveShapes; RichPoly2D::TPolyShapesList mConvexShapes; TMapSectorInfoList mSectorInfos; }; typedef std::vector<SPerSectorData> TPerSectorDataList; struct SArtTileHeader { int32_t mVersion; int32_t mTileCount; //BUILDINF.txt recommends not trusting this int32_t mTileStartNumber; int32_t mTileEndNumber; }; class CArtTileFile { public: enum ETileAnimType { skTileAnimType_NoAnimation = 0, skTileAnimType_AnimOscillating, skTileAnimType_AnimForward, skTileAnimType_AnimBackward }; //8 bits are reserved for texture flags enum ETextureFlags { skTextureFlags_None = 0, skTextureFlags_AlignHeight = (1 << 0) //convenient workaround for Build wall addressing }; CArtTileFile(const wchar_t *pFilename, const int32_t fileIndex, noeRAPI_t *pRapi) : mValid(false) , mFileIndex(fileIndex) , mpRapi(pRapi) , mFile(pFilename, NOEFSMODE_READBINARY, pRapi) , mpTileWidths(NULL) , mpTileHeights(NULL) , mpTileBits(NULL) , mpTileOffsets(NULL) { mValid = mFile.IsValid(); if (mValid) { mValid = ParseArtFile(); } } ~CArtTileFile() { if (mpTileWidths) { mpRapi->Noesis_UnpooledFree(mpTileWidths); } } bool IsValid() const { return mValid; } bool ContainsTile(const int32_t tileIndex) const { return (tileIndex >= mHeader.mTileStartNumber && tileIndex <= mHeader.mTileEndNumber); } void GetTileXYOffsets(int8_t *pXOffset, int8_t *pYOffset, const int32_t tileIndex) const { NoeAssert(tileIndex >= mHeader.mTileStartNumber && tileIndex <= mHeader.mTileEndNumber); const int32_t localTileIndex = tileIndex - mHeader.mTileStartNumber; const uint32_t tileInfo = mpTileBits[localTileIndex]; *pXOffset = (tileInfo & skTileInfo_XCenterMask) >> skTileInfo_XCenterOffset; *pYOffset = (tileInfo & skTileInfo_YCenterMask) >> skTileInfo_YCenterOffset; } bool GetAnimatedTileInfo(uint32_t *pAnimTypeOut, uint32_t *pAnimCountOut, uint32_t *pAnimSpeedOut, const int32_t tileIndex) const { NoeAssert(tileIndex >= mHeader.mTileStartNumber && tileIndex <= mHeader.mTileEndNumber); const int32_t localTileIndex = tileIndex - mHeader.mTileStartNumber; const uint32_t tileInfo = mpTileBits[localTileIndex]; const uint32_t animType = (tileInfo & skTileInfo_AnimTypeMask) >> skTileInfo_AnimTypeOffset; if (animType) { *pAnimTypeOut = animType; *pAnimCountOut = (tileInfo & skTileInfo_AnimCountMask) + 1; *pAnimSpeedOut = ((tileInfo & skTileInfo_AnimSpeedMask) >> skTileInfo_AnimSpeedOffset); return true; } return false; } noesisTex_t *LoadTileWithPalette(const int32_t tileIndex, const uint8_t *pPalData, const uint8_t *pShadingTable, const uint8_t textureFlags, const int32_t textureIndex) { NoeAssert(tileIndex >= mHeader.mTileStartNumber && tileIndex <= mHeader.mTileEndNumber); const int32_t localTileIndex = tileIndex - mHeader.mTileStartNumber; const uint32_t w = mpTileWidths[localTileIndex]; const uint32_t h = mpTileHeights[localTileIndex]; const uint32_t ofs = mpTileOffsets[localTileIndex]; char textureName[MAX_NOESIS_PATH]; sprintf_s(textureName, "art%03i_tile%03i_%i", mFileIndex, localTileIndex, textureIndex); if (w == 0 || h == 0) { return mpRapi->Noesis_AllocPlaceholderTex(textureName, 4, 4, false); } const uint32_t actualHeight = (textureFlags & skTextureFlags_AlignHeight) ? g_mfn->Math_NextPow2(h) : h; uint8_t *pPixelData = (uint8_t *)mpRapi->Noesis_UnpooledAlloc(w * actualHeight); mFile.Seek(ofs, false); mFile.Read(pPixelData, w * actualHeight); uint8_t *pRgba = (uint8_t *)mpRapi->Noesis_UnpooledAlloc(w * actualHeight * 4); for (uint32_t y = 0; y < actualHeight; ++y) { const uint32_t wrappedY = y % h; for (uint32_t x = 0; x < w; ++x) { const uint32_t destPixelIndex = y * w + x; uint32_t palIndex = pPixelData[wrappedY + x * h]; if (palIndex != 255) { if (pShadingTable) { //optionally remap the palette index if we have a shading table palIndex = pShadingTable[palIndex]; } pRgba[destPixelIndex * 4 + 0] = pPalData[palIndex * 3 + 0]; pRgba[destPixelIndex * 4 + 1] = pPalData[palIndex * 3 + 1]; pRgba[destPixelIndex * 4 + 2] = pPalData[palIndex * 3 + 2]; pRgba[destPixelIndex * 4 + 3] = 255; } else { pRgba[destPixelIndex * 4 + 0] = 0; pRgba[destPixelIndex * 4 + 1] = 0; pRgba[destPixelIndex * 4 + 2] = 0; pRgba[destPixelIndex * 4 + 3] = 0; } } } mpRapi->Noesis_UnpooledFree(pPixelData); noesisTex_t *pNoeTex = mpRapi->Noesis_TextureAlloc(textureName, w, actualHeight, pRgba, NOESISTEX_RGBA32); //useful for comparing texcoords with Build //pNoeTex->flags |= NTEXFLAG_FILTER_NEAREST; pNoeTex->shouldFreeData = true; return pNoeTex; } private: enum ETileInfoBits { skTileInfo_AnimCountMask = 63, skTileInfo_AnimTypeOffset = 6, skTileInfo_AnimTypeMask = (3 << skTileInfo_AnimTypeOffset), skTileInfo_XCenterOffset = 8, skTileInfo_XCenterMask = (255 << skTileInfo_XCenterOffset), skTileInfo_YCenterOffset = 16, skTileInfo_YCenterMask = (255 << skTileInfo_YCenterOffset), skTileInfo_AnimSpeedOffset = 24, skTileInfo_AnimSpeedMask = (15 << skTileInfo_AnimSpeedOffset) }; bool ParseArtFile() { mFile.Seek(0, false); mFile.Read(&mHeader, sizeof(mHeader)); if (mHeader.mVersion != 1) { return false; } mTileCount = mHeader.mTileEndNumber - mHeader.mTileStartNumber + 1; if (mTileCount <= 0) { return false; } uint8_t *pTileMem = (uint8_t *)mpRapi->Noesis_UnpooledAlloc(sizeof(uint16_t) * mTileCount * 2 + sizeof(uint32_t) * mTileCount * 2); mpTileWidths = (uint16_t *)pTileMem; mpTileHeights = mpTileWidths + mTileCount; mpTileBits = (uint32_t *)(mpTileHeights + mTileCount); mpTileOffsets = (uint32_t *)(mpTileBits + mTileCount); mFile.Read(mpTileWidths, sizeof(uint16_t) * mTileCount); mFile.Read(mpTileHeights, sizeof(uint16_t) * mTileCount); mFile.Read(mpTileBits, sizeof(uint32_t) * mTileCount); uint32_t currentOffset = (uint32_t)mFile.Tell(); for (int32_t tileIndex = 0; tileIndex < mTileCount; ++tileIndex) { mpTileOffsets[tileIndex] = currentOffset; currentOffset += mpTileWidths[tileIndex] * mpTileHeights[tileIndex]; } return true; } RichFileWrap mFile; noeRAPI_t *mpRapi; int32_t mFileIndex; bool mValid; SArtTileHeader mHeader; int32_t mTileCount; uint16_t *mpTileWidths; uint16_t *mpTileHeights; uint32_t *mpTileBits; uint32_t *mpTileOffsets; }; class CArtTileData { public: //16 bits are reserved for material flags in the material map enum EMaterialFlags { skMaterialFlags_None = 0, skMaterialFlags_Translucence = (1 << 0), skMaterialFlags_TwoSided = (1 << 1), skMaterialFlags_FacingSprite = (1 << 2) }; CArtTileData(noeRAPI_t *pRapi) : mpRapi(pRapi) { wchar_t basePath[MAX_NOESIS_PATH]; pRapi->Noesis_GetDirForFilePathW(basePath, pRapi->Noesis_GetLastCheckedNameW()); wchar_t artPath[MAX_NOESIS_PATH]; for (uint32_t artFileIndex = 0; artFileIndex < skMaxArtFileCount; ++artFileIndex) { swprintf_s(artPath, L"%sTILES%03i.ART", basePath, artFileIndex); CArtTileFile *pArtFile = new CArtTileFile(artPath, artFileIndex, pRapi); if (!pArtFile->IsValid()) { delete pArtFile; break; } mArtFiles.push_back(pArtFile); } mpShadingTables = NULL; mShadingTableCount = 0; //attempt to load a palette swprintf_s(artPath, L"%sPALETTE.DAT", basePath); mpPalFileData = pRapi->Noesis_ReadFileW(artPath, &mPalFileDataSize); if (!mpPalFileData) { mPalFileDataSize = 0; //default palette data pRapi->LogOutput("WARNING: Could not locate PALETTE.DAT, no color data available.\n"); mPalDataSize = skSinglePaletteSize; mpPalData = (uint8_t *)pRapi->Noesis_UnpooledAlloc(mPalDataSize); for (uint32_t palIndex = 0; palIndex < skSinglePaletteEntryCount; ++palIndex) { uint8_t *pPalEntry = mpPalData + palIndex * skSinglePaletteChannelCount; for (uint32_t channelIndex = 0; channelIndex < skSinglePaletteChannelCount; ++channelIndex) { pPalEntry[channelIndex] = (uint8_t)palIndex; } } } else { //first see if we can get at the shading table const int32_t shadingTableOffset = skSinglePaletteSize + sizeof(uint16_t); if (mPalFileDataSize > shadingTableOffset) { mShadingTableCount = *(uint16_t *)(mpPalFileData + skSinglePaletteSize); if (mShadingTableCount > 0) { const int32_t shadingTableEnd = shadingTableOffset + skSingleShadingTableSize * mShadingTableCount; if (shadingTableEnd <= mPalFileDataSize) { mpShadingTables = mpPalFileData + shadingTableOffset; } else { mpShadingTables = NULL; pRapi->LogOutput("WARNING: PALETTE.DAT is not large enough to contain the complete shading table.\n"); } } } //next see if there's a LOOKUP.DAT, or if we should just live with a single palette. swprintf_s(artPath, L"%sLOOKUP.DAT", basePath); int32_t lookupFileSize; uint8_t *pLookupData = pRapi->Noesis_ReadFileW(artPath, &lookupFileSize); if (pLookupData) { RichBitStreamEx lookupBs(pLookupData, lookupFileSize); const uint32_t lookupDataCount = lookupBs.ReadByte(); const uint32_t remainingLookupSize = lookupFileSize - (lookupBs.GetOffset() + lookupDataCount * 257); const uint32_t remainingPalCount = remainingLookupSize / skSinglePaletteSize; const uint32_t totalPalCount = 1 + lookupDataCount + remainingPalCount; mPalDataSize = skSinglePaletteSize * totalPalCount; mpPalData = (uint8_t *)pRapi->Noesis_UnpooledAlloc(mPalDataSize); //copy the default palette memcpy(mpPalData, mpPalFileData, mPalDataSize); //generate the color-swap palettes for (uint32_t lookupIndex = 0; lookupIndex < lookupDataCount; ++lookupIndex) { const uint32_t lookupRealIndex = lookupBs.ReadByte(); NoeAssert(lookupRealIndex >= 1 && lookupRealIndex <= lookupDataCount); //index is 1-based, after default palette const uint8_t *pLookupData = (const uint8_t *)lookupBs.GetBuffer() + lookupBs.GetOffset(); lookupBs.Seek(256); uint8_t *pPalDest = mpPalData + lookupRealIndex * skSinglePaletteSize; for (uint32_t entryIndex = 0; entryIndex < 256; ++entryIndex) { const uint8_t *pPalSource = mpPalData + (uint32_t)pLookupData[entryIndex] * 3; pPalDest[entryIndex * 3 + 0] = pPalSource[0]; pPalDest[entryIndex * 3 + 1] = pPalSource[1]; pPalDest[entryIndex * 3 + 2] = pPalSource[2]; } } //tack the remaining palettes onto the end memcpy(mpPalData + (1 + lookupDataCount) * skSinglePaletteSize, lookupBs.GetBuffer(), remainingLookupSize); pRapi->Noesis_UnpooledFree(pLookupData); } else { pRapi->LogOutput("WARNING: Could not locate LOOKUP.DAT, only one palette will be available.\n"); //couldn't find lookup data, so we'll only use 1 palette mPalDataSize = skSinglePaletteSize; mpPalData = (uint8_t *)pRapi->Noesis_UnpooledAlloc(mPalDataSize); memcpy(mpPalData, mpPalFileData, mPalDataSize); } //expand colors to 8 bits for (int32_t palOffset = 0; palOffset < mPalDataSize; ++palOffset) { uint8_t c = mpPalData[palOffset]; mpPalData[palOffset] = (c << 2) | (c >> 4); } } mPalCount = mPalDataSize / skSinglePaletteSize; } ~CArtTileData() { for (TArtTileFileList::iterator it = mArtFiles.begin(); it != mArtFiles.end(); ++it) { delete *it; } mpRapi->Noesis_UnpooledFree(mpPalData); if (mpPalFileData) { mpRapi->Noesis_UnpooledFree(mpPalFileData); } } noesisTex_t *TextureForMaterial(const noesisMaterial_t *pNoeMat) const { if (!pNoeMat || pNoeMat->texIdx < 0 || pNoeMat->texIdx >= mNoesisTextures.Num()) { return NULL; } return mNoesisTextures[pNoeMat->texIdx]; } noesisMaterial_t *MaterialForTile(const uint16_t tileIndex, const uint16_t palIndex, const int8_t shadingTableIndex, const uint8_t textureFlags, const uint16_t materialFlags) { const uint64_t tileKey = GetTileIndexKey(tileIndex, palIndex, shadingTableIndex, textureFlags, materialFlags); TTileMaterialMap::iterator materialIt = mTileMaterialMap.find(tileKey); if (materialIt != mTileMaterialMap.end()) { return mNoesisMaterials[materialIt->second]; } if (materialFlags != skMaterialFlags_None) { //if we have material flags, create the base material/texture without flags, then modify the new material as desired while pointing it at the shared texture. noesisMaterial_t *pBaseMaterial = MaterialForTile(tileIndex, palIndex, shadingTableIndex, textureFlags, 0); if (pBaseMaterial) { const uint32_t noeMatIndex = CreateDefaultMaterial(pBaseMaterial->texIdx); mTileMaterialMap[tileKey] = noeMatIndex; noesisMaterial_t *pNoeMat = mNoesisMaterials[noeMatIndex]; if (materialFlags & skMaterialFlags_Translucence) { pNoeMat->blendSrc = NOEBLEND_SRC_ALPHA; pNoeMat->blendDst = NOEBLEND_ONE_MINUS_SRC_ALPHA; pNoeMat->diffuse[0] = 1.0f; pNoeMat->diffuse[1] = 1.0f; pNoeMat->diffuse[2] = 1.0f; pNoeMat->diffuse[3] = 0.5f; } if (materialFlags & skMaterialFlags_TwoSided) { pNoeMat->flags |= NMATFLAG_TWOSIDED; } if (materialFlags & skMaterialFlags_FacingSprite) { pNoeMat->flags |= NMATFLAG_SPRITE_FACINGXY; } //we can safely point to the base material's expressions, as expressions are pool-allocated. pNoeMat->expr = pBaseMaterial->expr; return pNoeMat; } } else { //if it didn't already exist, we need to create it for (TArtTileFileList::iterator it = mArtFiles.begin(); it != mArtFiles.end(); ++it) { CArtTileFile *pArtFile = *it; if (pArtFile->ContainsTile(tileIndex)) { const uint8_t *pPalData = mpPalData + std::min<uint32_t>(palIndex, mPalCount - 1) * skSinglePaletteSize; const uint8_t *pShadingTable = GetShadingTable(shadingTableIndex); const uint32_t noeTexIndex = mNoesisTextures.Num(); noesisTex_t *pNoeTex = pArtFile->LoadTileWithPalette(tileIndex, pPalData, pShadingTable, textureFlags, noeTexIndex); NoeAssert(pNoeTex); mNoesisTextures.Append(pNoeTex); const uint32_t noeMatIndex = CreateDefaultMaterial(noeTexIndex); mTileMaterialMap[tileKey] = noeMatIndex; noesisMaterial_t *pNoeMat = mNoesisMaterials[noeMatIndex]; uint32_t animType, animCount, animSpeed; //load sequential animation tiles if they're present if (tileIndex > 0 && pArtFile->GetAnimatedTileInfo(&animType, &animCount, &animSpeed, tileIndex)) { for (uint32_t animTileIndex = 0; animTileIndex < animCount; ++animTileIndex) { noesisTex_t *pNoeTex = pArtFile->LoadTileWithPalette(tileIndex + 1 + animTileIndex, pPalData, pShadingTable, textureFlags, noeTexIndex + 1 + animTileIndex); NoeAssert(pNoeTex); mNoesisTextures.Append(pNoeTex); } //Build shifts the current clock right by animSpeed. const float buildTimeScale = 1.0f / (1 << animSpeed); //now scale from Build ticks to milliseconds at default duke3d tick rate (120 / 26 ticks per frame at 30hz timing) const float buildTicksPerSecond = 120.0f / 26.0f * 30.0f; const float animTimeScale = buildTimeScale * buildTicksPerSecond / 1000.0f; //create a material expression to animate the texture pNoeMat->expr = mpRapi->Noesis_AllocMaterialExpressions(NULL); char texExpr[MAX_NOESIS_PATH]; switch (animType) { case CArtTileFile::skTileAnimType_AnimOscillating: //oscillate on a triangle wave (not quite what Build does, and avoids doubling up on frames at either end) sprintf(texExpr, "%i + (abs(mod(time * %f, 2.0) - 1.0) * %i", noeTexIndex, animTimeScale * 0.25f, animCount); break; case CArtTileFile::skTileAnimType_AnimBackward: sprintf(texExpr, "%i - mod(time * %f, %i)", noeTexIndex + animCount, animTimeScale, animCount); break; case CArtTileFile::skTileAnimType_AnimForward: default: sprintf(texExpr, "%i + mod(time * %f, %i)", noeTexIndex, animTimeScale, animCount); break; } pNoeMat->expr->texIdx = mpRapi->Express_Parse(texExpr); } return pNoeMat; } } } return NULL; } void GetTileXYOffsets(int8_t *pXOffset, int8_t *pYOffset, const int32_t tileIndex) const { for (TArtTileFileList::const_iterator it = mArtFiles.begin(); it != mArtFiles.end(); ++it) { const CArtTileFile *pArtFile = *it; if (pArtFile->ContainsTile(tileIndex)) { pArtFile->GetTileXYOffsets(pXOffset, pYOffset, tileIndex); return; } } *pXOffset = 0; *pYOffset = 0; } noesisMatData_t *CreateNoesisMaterialData() { if (mNoesisMaterials.Num() <= 0) { return NULL; } return mpRapi->Noesis_GetMatDataFromLists(mNoesisMaterials, mNoesisTextures); } //many modern api's and/or vendor implementations don't natively support paletted textures, so if we want to support shading tables //the Build Engine way via rgba32 textures, that means lots of duplicating textures with remapped shading. so we default to just //approximating shading via vertex colors. bool UseShadingTables() const { return g_buildMapOpts->mUseShadingTables && mpShadingTables != NULL; } private: typedef std::vector<CArtTileFile *> TArtTileFileList; typedef std::map<uint64_t, uint32_t> TTileMaterialMap; uint64_t GetTileIndexKey(const uint16_t tileIndex, const uint16_t palIndex, const int8_t shadingTableIndex, const uint8_t textureFlags, const uint16_t materialFlags) const { uint64_t tileKey = (uint64_t)tileIndex | ((uint64_t)palIndex << 16ULL) | ((uint64_t)textureFlags << 32ULL) | ((uint64_t)materialFlags << 40ULL); if (UseShadingTables()) { tileKey |= ((uint64_t)std::max<int8_t>(shadingTableIndex, 0) << 56ULL); } return tileKey; } const uint8_t *GetShadingTable(const int8_t shadingTableIndex) const { if (!UseShadingTables()) { return NULL; } const int32_t clampedIndex = std::min<int32_t>(std::max<int32_t>(shadingTableIndex, 0), mShadingTableCount - 1); return mpShadingTables + clampedIndex * skSingleShadingTableSize; } uint32_t CreateDefaultMaterial(const int32_t textureIndex) { const uint32_t noeMatIndex = mNoesisMaterials.Num(); noesisMaterial_t *pNoeMat = mpRapi->Noesis_GetMaterialList(1, false); char materialName[MAX_NOESIS_PATH]; sprintf_s(materialName, "material%04i", noeMatIndex); pNoeMat->name = mpRapi->Noesis_PooledString(materialName); pNoeMat->texIdx = textureIndex; pNoeMat->noLighting = true; mNoesisMaterials.Append(pNoeMat); return noeMatIndex; } noeRAPI_t *mpRapi; TArtTileFileList mArtFiles; //a variable number of palettes may be present if generated from lookup.dat uint8_t *mpPalData; int32_t mPalDataSize; int32_t mPalCount; //original palette.dat data uint8_t *mpPalFileData; int32_t mPalFileDataSize; //pointer into mpPalFileData, if shading table data is present. otherwise NULL; uint8_t *mpShadingTables; int32_t mShadingTableCount; CArrayList<noesisTex_t *> mNoesisTextures; CArrayList<noesisMaterial_t *> mNoesisMaterials; TTileMaterialMap mTileMaterialMap; }; bool get_map_info(SMapInfo *pInfo, const uint8_t *pBuffer, const int32_t bufferLen) { if (bufferLen < (sizeof(SMapHeader) + sizeof(uint16_t))) { return false; } const SMapHeader *pHdr = (const SMapHeader *)pBuffer; if (pHdr->mVersion != 7) { return false; } int32_t ofs = sizeof(SMapHeader); pInfo->mSectorCount = *(const uint16_t *)(pBuffer + ofs); ofs += sizeof(uint16_t); pInfo->mpSectors = (const SMapSector *)(pBuffer + ofs); ofs += sizeof(SMapSector) * pInfo->mSectorCount; if (ofs <= 0 || (ofs + (int32_t)sizeof(uint16_t)) >= bufferLen) { return false; } pInfo->mWallCount = *(const uint16_t *)(pBuffer + ofs); ofs += sizeof(uint16_t); pInfo->mpWalls = (const SMapWall *)(pBuffer + ofs); ofs += sizeof(SMapWall) * pInfo->mWallCount; if (ofs <= 0 || (ofs + (int32_t)sizeof(uint16_t)) >= bufferLen) { return false; } pInfo->mSpriteCount = *(const uint16_t *)(pBuffer + ofs); ofs += sizeof(uint16_t); pInfo->mpSprites = (const SMapSprite *)(pBuffer + ofs); ofs += sizeof(SMapSprite) * pInfo->mSpriteCount; if (ofs != bufferLen) { //require an exact match, just because .map is a pretty generic extension and the format doesn't include any particularly good identifiers return false; } return true; } RichVecH2 get_xy_coord(const int32_t *pXyCoord) { return RichVecH2(-(double)pXyCoord[0], (double)pXyCoord[1]); } double get_z_coord(const int32_t zCoord) { return -(double)zCoord / 16.0; //BUILDINF.txt notes all z coords are shifted up (left) by 4 } //written by observing Build source's getceilzofslope (math is identical for floor and ceiling) double get_slope_z(const SMapInfo &info, const SMapSector *pSector, const double posX, const double posY, const double baseZ, const double slopeValue) { const SMapWall *pWall = info.mpWalls + pSector->mWallIndex; const SMapWall *pNextWall = info.mpWalls + pWall->mNextWall; const RichVecH2 wallPos = get_xy_coord(pWall->mPos); const RichVecH2 nextWallPos = get_xy_coord(pNextWall->mPos); const RichVecH2 dxy = nextWallPos - wallPos; const double dxyLength = dxy.Length() * 32.0; if (dxyLength == 0.0) { return baseZ; } const double cx = (dxy[0] * (posY - wallPos[1]) + -dxy[1] * (posX - wallPos[0])) / 8.0; return baseZ + slopeValue * cx / dxyLength / 16.0; } double get_sloped_floor_z(const SMapInfo &info, const SMapSector *pSector, const double posX, const double posY) { //ignore slope value unless sloped bit is set if (!(pSector->mFloorStat & kSecCStat_Sloped)) { return get_z_coord(pSector->mFloorZ); } return get_slope_z(info, pSector, posX, posY, get_z_coord(pSector->mFloorZ), pSector->mFloorHeiNum); } double get_sloped_ceiling_z(const SMapInfo &info, const SMapSector *pSector, const double posX, const double posY) { //ignore slope value unless sloped bit is set if (!(pSector->mCeilStat & kSecCStat_Sloped)) { return get_z_coord(pSector->mCeilingZ); } return get_slope_z(info, pSector, posX, posY, get_z_coord(pSector->mCeilingZ), pSector->mCeilingHeiNum); } //if not handling this "correctly", we just produce a linearly scaled color instead, based upon an expected 32 entries in the shading table. RichVec4 approximate_color_for_shading_entry(int32_t shadeIndex) { const float intensity = (31 - std::min<int32_t>(std::max<int32_t>(shadeIndex, 0), 31)) / 31.0f; return RichVec4(intensity, intensity, intensity, 1.0f); } RichVec3 get_sector_draw_vert(const SMapInfo &info, const RichVecH2 &pos, const SMapSector *pSector, const bool onCeiling) { return RichVec3((float)pos[0], (float)pos[1], (onCeiling) ? (float)get_sloped_ceiling_z(info, pSector, pos[0], pos[1]) : (float)get_sloped_floor_z(info, pSector, pos[0], pos[1])); } RichVec2 get_sector_draw_uv(const SMapInfo &info, const CArtTileData &artTileData, const RichVecH2 &pos, const SMapSector *pSector, const noesisMaterial_t *pMaterial, const bool onCeiling) { noesisTex_t *pTexture = artTileData.TextureForMaterial(pMaterial); if (!pTexture) { return RichVec2(0.0f, 0.0f); } const uint32_t cStat = (onCeiling) ? pSector->mCeilStat : pSector->mFloorStat; const double scaleFactor = (cStat & kSecCStat_DoubleSmooshiness) ? 8.0 : 16.0; const RichVecH2 toUVSpace = (RichVecH2((double)pTexture->w, (double)pTexture->h) * scaleFactor).InverseOrZero(); RichVecH2 texPos = pos; //observing the order of these operations based on the Build source if (cStat & kSecCStat_AlignToFirstWall) { const SMapWall *pWall = info.mpWalls + pSector->mWallIndex; const SMapWall *pNextWall = info.mpWalls + pWall->mNextWall; const double slopeValue = (onCeiling) ? pSector->mCeilingHeiNum : pSector->mFloorHeiNum; const RichVecH2 wallPos = get_xy_coord(pWall->mPos); const RichVecH2 nextWallPos = get_xy_coord(pNextWall->mPos); const RichVecH2 dxy = (nextWallPos - wallPos).Normalized(); const RichVecH2 xy = wallPos - texPos; //arbitrarily scale y as the slope angle diverges from 0, such that the maximum slope ends up scaling by around 8. const double slopeFourtyFiveDegrees = 4096.0; const double slopeFactor = sqrt(slopeValue * slopeValue + slopeFourtyFiveDegrees * slopeFourtyFiveDegrees) / slopeFourtyFiveDegrees; texPos = RichVecH2(xy[0] * dxy[0] + xy[1] * dxy[1], (-xy[1] * dxy[0] + xy[0] * dxy[1]) * slopeFactor); } if (cStat & kSecCStat_SwapXY) { const double tU = texPos[0]; texPos[0] = texPos[1]; texPos[1] = tU; } if (cStat & kSecCStat_XFlip) { texPos[0] = -texPos[0]; } if (cStat & kSecCStat_YFlip) { texPos[1] = -texPos[1]; } RichVecH2 uv = texPos * toUVSpace; const int32_t xPan = (onCeiling) ? pSector->mCeilingXPan : pSector->mFloorXPan; const int32_t yPan = (onCeiling) ? pSector->mCeilingYPan : pSector->mFloorYPan; uv -= RichVecH2((double)xPan / 256.0, (double)yPan / 256.0); return RichVec2(-(float)uv[0], -(float)uv[1]); } //expects v0 and v1 to be on the left side of the wall void calculate_wall_uvs(RichVec2 *pUVsOut, const SMapInfo &info, const CArtTileData &artTileData, const noesisMaterial_t *pMaterial, const uint32_t cStat, const uint8_t xPan, const uint8_t yPan, const SMapWall *pWall, const RichVec3 &v0, const RichVec3 &v1, const RichVec3 &v2, const RichVec3 &v3, const double heightBase) { noesisTex_t *pTexture = artTileData.TextureForMaterial(pMaterial); if (!pTexture) { pUVsOut[0] = RichVec2(0.0f, 0.0f); pUVsOut[1] = RichVec2(0.0f, 1.0f); pUVsOut[2] = RichVec2(1.0f, 1.0f); pUVsOut[3] = RichVec2(1.0f, 0.0f); return; } const SMapWall *pNextWall = info.mpWalls + pWall->mNextWall; const RichVecH2 wallPos = get_xy_coord(pWall->mPos); const RichVecH2 nextWallPos = get_xy_coord(pNextWall->mPos); const float segWidth = (float)(nextWallPos - wallPos).Length(); const float xCoordLeft = (cStat & kWallCStat_XFlip) ? segWidth : 0.0f; const float xCoordRight = (cStat & kWallCStat_XFlip) ? 0.0f : segWidth; const float yCoordBase = (float)heightBase; const float yScale = (cStat & kWallCStat_YFlip) ? -1.0f : 1.0f; const float invXRepeat = (pWall->mXRepeat > 0) ? 1.0f / (float)pWall->mXRepeat : 0.0f; const float invYRepeat = (pWall->mYRepeat > 0) ? 1.0f / (float)pWall->mYRepeat : 0.0f; //more magic numbers derived from Build logic const float scaleFactor = 16.0f; const float xRepeat = (segWidth / 128.0f) * invXRepeat; const float yRepeat = 8.0f * invYRepeat; const RichVec2 toUVSpace = (RichVec2((float)pTexture->w * xRepeat, (float)pTexture->h * yRepeat) * scaleFactor).InverseOrZero(); const RichVec2 uvPan((float)xPan / (float)pTexture->w, (float)yPan / 256.0f); pUVsOut[0] = RichVec2(xCoordLeft, (yCoordBase - v0[2]) * yScale) * toUVSpace + uvPan; pUVsOut[1] = RichVec2(xCoordLeft, (yCoordBase - v1[2]) * yScale) * toUVSpace + uvPan; pUVsOut[2] = RichVec2(xCoordRight, (yCoordBase - v2[2]) * yScale) * toUVSpace + uvPan; pUVsOut[3] = RichVec2(xCoordRight, (yCoordBase - v3[2]) * yScale) * toUVSpace + uvPan; } uint8_t texture_flags_for_wall() { return (g_buildMapOpts->mNoAlignTileHeight) ? CArtTileFile::skTextureFlags_None : CArtTileFile::skTextureFlags_AlignHeight; } uint16_t material_flags_for_wall(const int16_t cStat) { uint16_t materialFlags = CArtTileData::skMaterialFlags_None; if (cStat & kWallCStat_Translucence) { materialFlags |= CArtTileData::skMaterialFlags_Translucence; } return materialFlags; } void generate_sector_data(TPerSectorDataList &perSectorData, const SMapInfo &info, noeRAPI_t *pRapi) { perSectorData.resize(info.mSectorCount); typedef std::set<uint32_t> TTouchedWalls; TTouchedWalls touchedWalls; for (uint32_t sectorIndex = 0; sectorIndex < info.mSectorCount; ++sectorIndex) { const SMapSector *pSector = info.mpSectors + sectorIndex; SPerSectorData §orData = perSectorData[sectorIndex]; for (int32_t wallIndex = 0; wallIndex < pSector->mWallCount; ++wallIndex) { const int32_t absWallIndex = pSector->mWallIndex + wallIndex; if (!touchedWalls.insert(absWallIndex).second) { continue; } RichPoly2D::TPolyShapes §orConcaveShapes = sectorData.mConcaveShapes; sectorConcaveShapes.push_back(RichPoly2D::TPolyPointList()); RichPoly2D::TPolyPointList §orPoly = sectorConcaveShapes.back(); bool closedShape = false; const SMapWall *pWall = info.mpWalls + absWallIndex; for (uint32_t attemptCount = 0; attemptCount < skMaxSectorWalkAttemptCount; ++attemptCount) { const RichVecH2 pos = get_xy_coord(pWall->mPos); sectorPoly.push_back(pos); NoeAssert(pWall->mNextWall >= 0 && (uint32_t)pWall->mNextWall < info.mWallCount); if (pWall->mNextWall == absWallIndex) { //break out when we've closed the sector closedShape = true; break; } touchedWalls.insert(pWall->mNextWall); pWall = info.mpWalls + pWall->mNextWall; } if (closedShape) { const bool isCCW = (RichPoly2D::PolyClockwise(sectorPoly) == RichPoly2D::kPolyClockwiseResult_CCW); if (isCCW) { RichPoly2D::ReverseWinding(sectorPoly); } //this is pretty necessary for Build Engine maps, as there are quite a few concave polygons with totally degenerate edges in them, //including some situations where an edge segment will overlap back on a previous edge segment. this function also catches those //degenerate edge cases. RichPoly2D::RemoveRedundantShapeSegments(sectorPoly); //a few rare sectors in duke3d have overlapping collinear segments RichPoly2D::AdjustCollinearSegments(sectorPoly); SMapSectorInfo sectorInfo(isCCW); TMapSectorInfoList §orInfos = sectorData.mSectorInfos; sectorInfos.push_back(sectorInfo); } else { //never seen this happen, but just in case pRapi->LogOutput("WARNING: Sector %i contains an open shape.\n", sectorIndex); sectorConcaveShapes.erase(sectorConcaveShapes.end() - 1); } } touchedWalls.clear(); } for (uint32_t sectorIndex = 0; sectorIndex < info.mSectorCount; ++sectorIndex) { const SMapSector *pSector = info.mpSectors + sectorIndex; SPerSectorData §orData = perSectorData[sectorIndex]; const RichPoly2D::TPolyShapes §orConcaveShapes = sectorData.mConcaveShapes; TMapSectorInfoList §orInfos = sectorData.mSectorInfos; const uint32_t concaveShapeCount = sectorConcaveShapes.size(); NoeAssert(sectorInfos.size() == concaveShapeCount); //first loop, generate convex shapes RichPoly2D::TPolyShapesList §orConvexShapes = sectorData.mConvexShapes; for (uint32_t concaveShapeIndex = 0; concaveShapeIndex < concaveShapeCount; ++concaveShapeIndex) { sectorConvexShapes.push_back(RichPoly2D::TPolyShapes()); RichPoly2D::TPolyShapes §orShapes = sectorConvexShapes.back(); const RichPoly2D::TPolyPointList §orPoly = sectorConcaveShapes[concaveShapeIndex]; RichPoly2D::GenerateTrianglesFromPoly(sectorShapes, sectorPoly); RichPoly2D::TPolyShapes tempShapes; std::swap(tempShapes, sectorShapes); RichPoly2D::MergeConvexShapes(sectorShapes, tempShapes); } //second loop, clip convex shapes with any CCW shapes, and remerge convex shapes for (uint32_t concaveShapeIndex = 0; concaveShapeIndex < concaveShapeCount; ++concaveShapeIndex) { const SMapSectorInfo §orInfo = sectorInfos[concaveShapeIndex]; if (sectorInfo.mIsCCW) { //no need to clip CCW sectors continue; } RichPoly2D::TPolyShapes §orShapes = sectorConvexShapes[concaveShapeIndex]; //cut shapes against any CCW shapes in the same sector bool anyClipping = false; for (uint32_t otherShapeIndex = 0; otherShapeIndex < concaveShapeCount; ++otherShapeIndex) { const SMapSectorInfo §orInfo = sectorInfos[otherShapeIndex]; if (sectorInfo.mIsCCW) { RichPoly2D::TPolyShapes &otherShapes = sectorConvexShapes[otherShapeIndex]; RichPoly2D::TPolyShapes clippedSubject; RichPoly2D::ClipConvexShapes(clippedSubject, otherShapes, sectorShapes, RichPoly2D::kClipType_ExcludeInnerClip); std::swap(sectorShapes, clippedSubject); anyClipping = true; } } if (anyClipping) { //go ahead and re-merge convex shapes if any clipping took place RichPoly2D::TPolyShapes tempShapes; std::swap(tempShapes, sectorShapes); RichPoly2D::MergeConvexShapes(sectorShapes, tempShapes); } } } } void draw_map_geometry(CArtTileData &artTileData, const TPerSectorDataList &perSectorData, const SMapInfo &info, noeRAPI_t *pRapi) { for (uint32_t sectorIndex = 0; sectorIndex < info.mSectorCount; ++sectorIndex) { const SMapSector *pSector = info.mpSectors + sectorIndex; const SPerSectorData §orData = perSectorData[sectorIndex]; const RichPoly2D::TPolyShapesList &convexShapesList = sectorData.mConvexShapes; const uint32_t convexShapeListCount = convexShapesList.size(); const TMapSectorInfoList §orInfos = sectorData.mSectorInfos; NoeAssert(sectorInfos.size() == convexShapeListCount); if (g_buildMapOpts->mNameSectors) { char sectorName[MAX_NOESIS_PATH]; sprintf_s(sectorName, "_map_sector_%04i_", sectorIndex); pRapi->rpgSetName(sectorName); } const bool skipUpperSector = (g_buildMapOpts->mSkipParallax && (pSector->mCeilStat & kSecCStat_Parallaxing)); const bool skipLowerSector = (g_buildMapOpts->mSkipParallax && (pSector->mFloorStat & kSecCStat_Parallaxing)); for (uint32_t convexShapeListIndex = 0; convexShapeListIndex < convexShapeListCount; ++convexShapeListIndex) { const SMapSectorInfo §orInfo = sectorInfos[convexShapeListIndex]; if (sectorInfo.mIsCCW) { //don't draw CCW shapes continue; } const RichPoly2D::TPolyShapes §orShapes = convexShapesList[convexShapeListIndex]; const noesisMaterial_t *pFloorMaterial = artTileData.MaterialForTile(pSector->mFloorPicIndex, pSector->mFloorPal, pSector->mFloorShade, CArtTileFile::skTextureFlags_None, CArtTileData::skMaterialFlags_None); const noesisMaterial_t *pCeilingMaterial = artTileData.MaterialForTile(pSector->mCeilingPicIndex, pSector->mCeilingPal, pSector->mCeilingShade, CArtTileFile::skTextureFlags_None, CArtTileData::skMaterialFlags_None); const uint32_t shapeCount = sectorShapes.size(); for (uint32_t shapeIndex = 0; shapeIndex < shapeCount; ++shapeIndex) { const RichPoly2D::TPolyPointList &points = sectorShapes[shapeIndex]; const uint32_t pointCount = points.size(); if (!skipLowerSector) { pRapi->rpgSetMaterial((pFloorMaterial) ? pFloorMaterial->name : "defaultmaterial"); //draw floor if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(pSector->mFloorShade).v); } pRapi->rpgBegin(RPGEO_POLYGON); for (uint32_t pointIndex = 0; pointIndex < pointCount; ++pointIndex) { const RichVecH2 &pos = points[pointCount - pointIndex - 1]; RichVec2 vertUV = get_sector_draw_uv(info, artTileData, pos, pSector, pFloorMaterial, false); pRapi->rpgVertUV2f(vertUV.v, 0); RichVec3 vertPos = get_sector_draw_vert(info, pos, pSector, false); pRapi->rpgVertex3f(vertPos.v); } pRapi->rpgEnd(); } if (!skipUpperSector) { pRapi->rpgSetMaterial((pCeilingMaterial) ? pCeilingMaterial->name : "defaultmaterial"); //draw ceiling if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(pSector->mCeilingShade).v); } pRapi->rpgBegin(RPGEO_POLYGON); for (uint32_t pointIndex = 0; pointIndex < pointCount; ++pointIndex) { const RichVecH2 &pos = points[pointIndex]; RichVec2 vertUV = get_sector_draw_uv(info, artTileData, pos, pSector, pCeilingMaterial, true); pRapi->rpgVertUV2f(vertUV.v, 0); RichVec3 vertPos = get_sector_draw_vert(info, pos, pSector, true); pRapi->rpgVertex3f(vertPos.v); } pRapi->rpgEnd(); } } //now draw walls for the sector for (int32_t wallIndex = 0; wallIndex < pSector->mWallCount; ++wallIndex) { const int32_t absWallIndex = pSector->mWallIndex + wallIndex; const SMapWall *pWall = info.mpWalls + absWallIndex; const SMapWall *pNextWall = info.mpWalls + pWall->mNextWall; const RichVecH2 pos = get_xy_coord(pWall->mPos); const RichVecH2 nextPos = get_xy_coord(pNextWall->mPos); RichVec3 v0 = get_sector_draw_vert(info, pos, pSector, true); RichVec3 v1 = get_sector_draw_vert(info, nextPos, pSector, true); RichVec3 v2 = get_sector_draw_vert(info, nextPos, pSector, false); RichVec3 v3 = get_sector_draw_vert(info, pos, pSector, false); RichVec2 wallUVs[4]; const noesisMaterial_t *pWallMaterial = artTileData.MaterialForTile(pWall->mPicIndex, pWall->mPal, pWall->mShade, texture_flags_for_wall(), CArtTileData::skMaterialFlags_None); pRapi->rpgSetMaterial((pWallMaterial) ? pWallMaterial->name : "defaultmaterial"); if (pWall->mOtherSector < 0) { //just draw the wall straight-up if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(pWall->mShade).v); } calculate_wall_uvs(wallUVs, info, artTileData, pWallMaterial, pWall->mCStat, pWall->mXPan, pWall->mYPan, pWall, v0, v3, v2, v1, (pWall->mCStat & kWallCStat_AlignOnBottom) ? get_z_coord(pSector->mFloorZ) : get_z_coord(pSector->mCeilingZ)); pRapi->rpgBegin(RPGEO_POLYGON); pRapi->rpgVertUV2f(wallUVs[0].v, 0); pRapi->rpgVertex3f(v0.v); pRapi->rpgVertUV2f(wallUVs[1].v, 0); pRapi->rpgVertex3f(v3.v); pRapi->rpgVertUV2f(wallUVs[2].v, 0); pRapi->rpgVertex3f(v2.v); pRapi->rpgVertUV2f(wallUVs[3].v, 0); pRapi->rpgVertex3f(v1.v); pRapi->rpgEnd(); } else { const SMapSector *pOtherSector = info.mpSectors + pWall->mOtherSector; RichVec3 otherV0 = get_sector_draw_vert(info, pos, pOtherSector, true); RichVec3 otherV1 = get_sector_draw_vert(info, nextPos, pOtherSector, true); RichVec3 otherV2 = get_sector_draw_vert(info, nextPos, pOtherSector, false); RichVec3 otherV3 = get_sector_draw_vert(info, pos, pOtherSector, false); const bool skipUpperWall = (g_buildMapOpts->mSkipParallax && (pOtherSector->mCeilStat & kSecCStat_Parallaxing)); const bool skipLowerWall = (g_buildMapOpts->mSkipParallax && (pOtherSector->mFloorStat & kSecCStat_Parallaxing)); //draw the upper bit if (!skipUpperWall && (otherV0[2] < v0[2] || otherV1[2] < v1[2])) { if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(pWall->mShade).v); } calculate_wall_uvs(wallUVs, info, artTileData, pWallMaterial, pWall->mCStat, pWall->mXPan, pWall->mYPan, pWall, v0, otherV0, otherV1, v1, (pWall->mCStat & kWallCStat_AlignOnBottom) ? get_z_coord(pSector->mCeilingZ) : get_z_coord(pOtherSector->mCeilingZ)); pRapi->rpgBegin(RPGEO_POLYGON); pRapi->rpgVertUV2f(wallUVs[0].v, 0); pRapi->rpgVertex3f(v0.v); pRapi->rpgVertUV2f(wallUVs[1].v, 0); pRapi->rpgVertex3f(otherV0.v); pRapi->rpgVertUV2f(wallUVs[2].v, 0); pRapi->rpgVertex3f(otherV1.v); pRapi->rpgVertUV2f(wallUVs[3].v, 0); pRapi->rpgVertex3f(v1.v); pRapi->rpgEnd(); } //draw the lower bit if (!skipLowerWall && (otherV2[2] > v2[2] || otherV3[2] > v3[2])) { int8_t bottomShade = pWall->mShade; uint32_t bottomCStat = pWall->mCStat; uint8_t bottomXPan = pWall->mXPan; uint8_t bottomYPan = pWall->mYPan; const noesisMaterial_t *pBottomMaterial = pWallMaterial; if ((pWall->mCStat & kWallCStat_InvisibleBottomsSwapped) && pWall->mOtherWall >= 0) { const SMapWall *pOtherWall = info.mpWalls + pWall->mOtherWall; bottomShade = pOtherWall->mShade; bottomCStat = pOtherWall->mCStat; bottomXPan = pOtherWall->mXPan; bottomYPan = pOtherWall->mYPan; //Build manages to check the original wall's cstat for x-flip, but not y-flip. ahh, Build. bottomCStat = (bottomCStat & ~kWallCStat_XFlip) | (pWall->mCStat & kWallCStat_XFlip); pBottomMaterial = artTileData.MaterialForTile(pOtherWall->mPicIndex, pOtherWall->mPal, bottomShade, texture_flags_for_wall(), CArtTileData::skMaterialFlags_None); pRapi->rpgSetMaterial((pBottomMaterial) ? pBottomMaterial->name : "defaultmaterial"); } if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(bottomShade).v); } calculate_wall_uvs(wallUVs, info, artTileData, pBottomMaterial, bottomCStat, bottomXPan, bottomYPan, pWall, otherV3, v3, v2, otherV2, (bottomCStat & kWallCStat_AlignOnBottom) ? get_z_coord(pSector->mCeilingZ) : get_z_coord(pOtherSector->mFloorZ)); pRapi->rpgBegin(RPGEO_POLYGON); pRapi->rpgVertUV2f(wallUVs[0].v, 0); pRapi->rpgVertex3f(otherV3.v); pRapi->rpgVertUV2f(wallUVs[1].v, 0); pRapi->rpgVertex3f(v3.v); pRapi->rpgVertUV2f(wallUVs[2].v, 0); pRapi->rpgVertex3f(v2.v); pRapi->rpgVertUV2f(wallUVs[3].v, 0); pRapi->rpgVertex3f(otherV2.v); pRapi->rpgEnd(); } //draw the middle masking/oneway texture if (pWall->mCStat & (kWallCStat_Masking | kWallCStat_OneWay)) { noesisMaterial_t *pMaskMaterial = artTileData.MaterialForTile(pWall->mOverPicIndex, pWall->mPal, pWall->mShade, texture_flags_for_wall(), material_flags_for_wall(pWall->mCStat)); pRapi->rpgSetMaterial((pMaskMaterial) ? pMaskMaterial->name : "defaultmaterial"); RichVec3 maskV0 = RichVec3(v0[0], v0[1], std::min<float>(v0[2], otherV0[2])); RichVec3 maskV1 = RichVec3(v1[0], v1[1], std::min<float>(v1[2], otherV1[2])); RichVec3 maskV2 = RichVec3(v2[0], v2[1], std::max<float>(v2[2], otherV2[2])); RichVec3 maskV3 = RichVec3(v3[0], v3[1], std::max<float>(v3[2], otherV3[2])); if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(pWall->mShade).v); } if (pWall->mCStat & kWallCStat_Masking) { calculate_wall_uvs(wallUVs, info, artTileData, pMaskMaterial, pWall->mCStat, pWall->mXPan, pWall->mYPan, pWall, maskV0, maskV3, maskV2, maskV1, (pWall->mCStat & kWallCStat_AlignOnBottom) ? std::max<double>(get_z_coord(pSector->mFloorZ), get_z_coord(pOtherSector->mFloorZ)) : std::min<double>(get_z_coord(pSector->mCeilingZ), get_z_coord(pOtherSector->mCeilingZ))); } else { calculate_wall_uvs(wallUVs, info, artTileData, pMaskMaterial, pWall->mCStat, pWall->mXPan, pWall->mYPan, pWall, maskV0, maskV3, maskV2, maskV1, (pWall->mCStat & kWallCStat_AlignOnBottom) ? get_z_coord(pSector->mCeilingZ) : get_z_coord(pOtherSector->mCeilingZ)); } pRapi->rpgBegin(RPGEO_POLYGON); pRapi->rpgVertUV2f(wallUVs[0].v, 0); pRapi->rpgVertex3f(maskV0.v); pRapi->rpgVertUV2f(wallUVs[1].v, 0); pRapi->rpgVertex3f(maskV3.v); pRapi->rpgVertUV2f(wallUVs[2].v, 0); pRapi->rpgVertex3f(maskV2.v); pRapi->rpgVertUV2f(wallUVs[3].v, 0); pRapi->rpgVertex3f(maskV1.v); pRapi->rpgEnd(); } } } } } pRapi->rpgSetName(NULL); } uint16_t material_flags_for_sprite(const int16_t cStat) { uint16_t materialFlags = CArtTileData::skMaterialFlags_None; if (!(cStat & kSprCStat_OneSided)) { materialFlags |= CArtTileData::skMaterialFlags_TwoSided; } if (cStat & kSprCStat_Translucence) { materialFlags |= CArtTileData::skMaterialFlags_Translucence; } const uint32_t facingType = ((cStat & kSprCStat_FaceMask) >> kSprCStat_FaceOffset); if (facingType == kSpriteFace_Facing) { materialFlags |= CArtTileData::skMaterialFlags_FacingSprite; } return materialFlags; } void draw_sprites(CArtTileData &artTileData, const SMapInfo &info, noeRAPI_t *pRapi) { char spriteMeshName[MAX_NOESIS_PATH]; for (uint32_t spriteIndex = 0; spriteIndex < info.mSpriteCount; ++spriteIndex) { const SMapSprite *pSprite = info.mpSprites + spriteIndex; if (abs(pSprite->mPos[0]) > skMaxBuildMapDimension || abs(pSprite->mPos[0]) > skMaxBuildMapDimension) { continue; } if (g_buildMapOpts->mSpriteMode != kSpriteMode_All) { if ((pSprite->mPicIndex >= skSpriteSpecialPicIndexBegin && pSprite->mPicIndex <= skSpriteSpecialPicIndexEnd) || pSprite->mPicIndex == skShadowWarriorStSprite) { continue; } } noesisMaterial_t *pSpriteMaterial = artTileData.MaterialForTile(pSprite->mPicIndex, pSprite->mPal, pSprite->mShade, CArtTileFile::skTextureFlags_None, material_flags_for_sprite(pSprite->mCStat)); noesisTex_t *pSpriteTexture = artTileData.TextureForMaterial(pSpriteMaterial); if (pSpriteTexture) { const RichVecH2 pos = get_xy_coord(pSprite->mPos); const double posZ = get_z_coord(pSprite->mPos[2]); const uint32_t facingType = ((pSprite->mCStat & kSprCStat_FaceMask) >> kSprCStat_FaceOffset); const float spriteAngle = (float)pSprite->mAngle / 2047.0f * g_flPI * 2.0f; const float xRepeat = (float)pSprite->mXRepeat / 64.0f; const float yRepeat = (float)pSprite->mYRepeat / 64.0f; const RichVec2 tileToWorld(xRepeat * 16.0f, yRepeat * 16.0f); const RichVec2 spriteSize = RichVec2((float)pSpriteTexture->w, (float)pSpriteTexture->h) * tileToWorld; int8_t xOffset, yOffset; artTileData.GetTileXYOffsets(&xOffset, &yOffset, pSprite->mPicIndex); RichVec3 drawRight(1.0f, 0.0f, 0.0f); RichVec3 drawUp(0.0f, 0.0f, 1.0f); RichVec3 drawPos((float)pos[0], (float)pos[1], (float)posZ); float uvX = 1.0f; float uvY = 1.0f; switch (facingType) { case kSpriteFace_Facing: case kSpriteFace_Wall: drawRight[0] = sinf(spriteAngle); drawRight[1] = cosf(spriteAngle); drawRight[2] = 0.0f; if (!(pSprite->mCStat & kSprCStat_Centered)) { drawPos[2] += spriteSize[1] * 0.5f; } if (facingType == kSpriteFace_Wall) { //Build doesn't actually use the x offset for anything in the facing case drawPos[0] += drawRight[0] * (float)xOffset * tileToWorld[0]; drawPos[1] += drawRight[1] * (float)xOffset * tileToWorld[0]; } drawPos[2] += yOffset * tileToWorld[1]; uvX *= (pSprite->mCStat & kSprCStat_XFlip) ? -1.0f : 1.0f; uvY *= (pSprite->mCStat & kSprCStat_YFlip) ? -1.0f : 1.0f; //if we're aligned to a wall, see how close we are to it and fudge our way out a bit as needed if (!g_buildMapOpts->mNoSpriteFudge && pSprite->mSectorIndex >= 0 && (uint32_t)pSprite->mSectorIndex < info.mSectorCount && facingType == kSpriteFace_Wall) { const SMapSector *pSector = info.mpSectors + pSprite->mSectorIndex; for (int32_t wallIndex = 0; wallIndex < pSector->mWallCount; ++wallIndex) { const int32_t absWallIndex = pSector->mWallIndex + wallIndex; const SMapWall *pWall = info.mpWalls + absWallIndex; const SMapWall *pNextWall = info.mpWalls + pWall->mNextWall; const RichVecH2 wallPos = get_xy_coord(pWall->mPos); const RichVecH2 nextWallPos = get_xy_coord(pNextWall->mPos); const RichVecH2 spriteOnSegment = pos.PointOnSegment(wallPos, nextWallPos); if ((pos - spriteOnSegment).LengthSq() <= skSpriteCloseEnoughToWallSquared) { //it's close enough to this particular segment, push it away from the wall const RichVecH2 toNextWall = (nextWallPos - wallPos).Normalized(); drawPos[0] += (float)toNextWall[1] * skSpriteFudgeDistance; drawPos[1] -= (float)toNextWall[0] * skSpriteFudgeDistance; break; } } } break; case kSpriteFace_Floor: drawRight[0] = sinf(spriteAngle); drawRight[1] = cosf(spriteAngle); drawRight[2] = 0.0f; drawUp[0] = drawRight[1]; drawUp[1] = -drawRight[0]; drawUp[2] = 0.0f; drawPos -= drawRight * ((float)xOffset * tileToWorld[0]); drawPos -= drawUp * ((float)yOffset * tileToWorld[1]); uvX = -uvX; uvY = -uvY; drawRight *= (pSprite->mCStat & kSprCStat_XFlip) ? -1.0f : 1.0f; drawUp *= (pSprite->mCStat & kSprCStat_YFlip) ? -1.0f : 1.0f; //see if we need to bump a bit out of the floor or ceiling if (!g_buildMapOpts->mNoSpriteFudge && pSprite->mSectorIndex >= 0 && (uint32_t)pSprite->mSectorIndex < info.mSectorCount) { const SMapSector *pSector = info.mpSectors + pSprite->mSectorIndex; const double floorZ = get_z_coord(pSector->mFloorZ); const double ceilingZ = get_z_coord(pSector->mCeilingZ); if (fabs(posZ - floorZ) < skSpriteCloseEnoughToFloor) { drawPos[2] += skSpriteFudgeDistance; } else if (fabs(ceilingZ - posZ) < skSpriteCloseEnoughToFloor) { drawPos[2] -= skSpriteFudgeDistance; } } break; } drawRight *= spriteSize[0] * 0.5f; drawUp *= spriteSize[1] * 0.5f; RichVec3 v0 = drawPos - drawRight - drawUp; RichVec3 v1 = drawPos - drawRight + drawUp; RichVec3 v2 = drawPos + drawRight + drawUp; RichVec3 v3 = drawPos + drawRight - drawUp; sprintf_s(spriteMeshName, "sprite%04i", spriteIndex); pRapi->rpgSetName(spriteMeshName); pRapi->rpgSetMaterial(pSpriteMaterial->name); if (!artTileData.UseShadingTables()) { pRapi->rpgVertColor4f(approximate_color_for_shading_entry(pSprite->mShade).v); } pRapi->rpgBegin(RPGEO_POLYGON); pRapi->rpgVertUV2f(RichVec2(uvX, uvY).v, 0); pRapi->rpgVertex3f(v0.v); pRapi->rpgVertUV2f(RichVec2(uvX, 0.0f).v, 0); pRapi->rpgVertex3f(v1.v); pRapi->rpgVertUV2f(RichVec2(0.0f, 0.0f).v, 0); pRapi->rpgVertex3f(v2.v); pRapi->rpgVertUV2f(RichVec2(0.0f, uvY).v, 0); pRapi->rpgVertex3f(v3.v); pRapi->rpgEnd(); } } pRapi->rpgSetName(NULL); } } bool Model_Build_CheckMap(BYTE *fileBuffer, int bufferLen, noeRAPI_t *rapi) { SMapInfo info; if (!get_map_info(&info, fileBuffer, bufferLen)) { return false; } return true; } noesisModel_t *Model_Build_LoadMap(BYTE *fileBuffer, int bufferLen, int &numMdl, noeRAPI_t *rapi) { SMapInfo info; if (!get_map_info(&info, fileBuffer, bufferLen)) { return NULL; } void *pCtx = rapi->rpgCreateContext(); CArtTileData artTileData(rapi); TPerSectorDataList perSectorData; generate_sector_data(perSectorData, info, rapi); //this would be a good place to perform optional overlapping sector relocation. //the idea is to walk the sectors, then see which ones overlap after hole-cutting. when a sector overlaps, walk its walls into other sectors to build //up a list of connected overlapping sectors. once overlapping sectors have been flooded without self-overlapping, create a transform (can be set upon //draw with rpgSetTransform) which moves the group of sectors over to unoccupied space to be applied at draw time, and create portal edges for every //wall that connects between the relocated and non-relocated sectors. //at draw time, use the portal edges to create portal materials for each sector portal connection and draw them. this will allow exported maps to be //easily adapted to games/engines which support portals. draw_map_geometry(artTileData, perSectorData, info, rapi); if (g_buildMapOpts->mSpriteMode != kSpriteMode_None) { draw_sprites(artTileData, info, rapi); } rapi->rpgOptimize(); noesisMatData_t *pMd = artTileData.CreateNoesisMaterialData(); if (pMd) { rapi->rpgSetExData_Materials(pMd); } noesisModel_t *pMdl = rapi->rpgConstructModel(); rapi->rpgDestroyContext(pCtx); if (pMdl) { static float mdlAngOfs[3] = { 0.0f, 270.0f, 0.0f }; rapi->SetPreviewAngOfs(mdlAngOfs); numMdl = 1; } return pMdl; } #define BUILDMAP_DECL_OPTS(argRequired) \ buildMapOpts_t *lopts = (buildMapOpts_t *)store; \ assert(storeSize == sizeof(buildMapOpts_t)); \ if (argRequired && !arg) \ { \ return false; \ } bool Model_Build_MapShTableHandler(const char *arg, unsigned char *store, int storeSize) { BUILDMAP_DECL_OPTS(false); lopts->mUseShadingTables = true; return true; } bool Model_Build_MapTNoAlignHandler(const char *arg, unsigned char *store, int storeSize) { BUILDMAP_DECL_OPTS(false); lopts->mNoAlignTileHeight = true; return true; } bool Model_Build_MapNoFudgeHandler(const char *arg, unsigned char *store, int storeSize) { BUILDMAP_DECL_OPTS(false); lopts->mNoSpriteFudge = true; return true; } bool Model_Build_MapNameSecsHandler(const char *arg, unsigned char *store, int storeSize) { BUILDMAP_DECL_OPTS(false); lopts->mNameSectors = true; return true; } bool Model_Build_MapSkipParaHandler(const char *arg, unsigned char *store, int storeSize) { BUILDMAP_DECL_OPTS(false); lopts->mSkipParallax = true; return true; } bool Model_Build_MapSpriteModeHandler(const char *arg, unsigned char *store, int storeSize) { BUILDMAP_DECL_OPTS(true); lopts->mSpriteMode = atoi(arg); return true; }
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