public static AtlasPackingResult[] CalculateAtlasRectanglesStatic(MB3_TextureCombinerPipeline.TexturePipelineData data, bool doMultiAtlas, MB2_LogLevel LOG_LEVEL)
        {
            List <Vector2> imageSizes = new List <Vector2>();

            for (int i = 0; i < data.distinctMaterialTextures.Count; i++)
            {
                imageSizes.Add(new Vector2(data.distinctMaterialTextures[i].idealWidth, data.distinctMaterialTextures[i].idealHeight));
            }

            MB2_TexturePacker tp = MB3_TextureCombinerPipeline.CreateTexturePacker(data._packingAlgorithm);

            tp.atlasMustBePowerOfTwo = data._meshBakerTexturePackerForcePowerOfTwo;
            List <AtlasPadding> paddings = new List <AtlasPadding>();

            for (int i = 0; i < imageSizes.Count; i++)
            {
                AtlasPadding padding = new AtlasPadding();
                padding.topBottom = data._atlasPadding;
                padding.leftRight = data._atlasPadding;
                if (data._packingAlgorithm == MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Horizontal)
                {
                    padding.leftRight = 0;
                }
                if (data._packingAlgorithm == MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Vertical)
                {
                    padding.topBottom = 0;
                }
                paddings.Add(padding);
            }

            return(tp.GetRects(imageSizes, paddings, data._maxAtlasWidth, data._maxAtlasHeight, doMultiAtlas));
        }
Example #2
0
        public AtlasPackingResult CalculateAtlasRectangles(MB3_TextureCombinerPipeline.TexturePipelineData data, MB2_LogLevel LOG_LEVEL)
        {
            if (data._packingAlgorithm == MB2_PackingAlgorithmEnum.UnitysPackTextures)
            {
                //with Unity texture packer we don't find the rectangles, Unity does. When packer is run
                return(new AtlasPackingResult(new AtlasPadding[0]));
            }
            AtlasPackingResult uvRects;

            if (data.distinctMaterialTextures.Count == 1 && data._fixOutOfBoundsUVs == false)
            {
                if (LOG_LEVEL >= MB2_LogLevel.debug)
                {
                    Debug.Log("Only one image per atlas. Will re-use original texture");
                }
                AtlasPadding[] paddings = new AtlasPadding[] { new AtlasPadding(data._atlasPadding) };
                uvRects          = new AtlasPackingResult(paddings);
                uvRects.rects    = new Rect[1];
                uvRects.rects[0] = new Rect(0f, 0f, 1f, 1f);
                uvRects.atlasX   = data.distinctMaterialTextures[0].idealWidth;
                uvRects.atlasY   = data.distinctMaterialTextures[0].idealHeight;
            }
            else
            {
                List <Vector2> imageSizes = new List <Vector2>();
                for (int i = 0; i < data.distinctMaterialTextures.Count; i++)
                {
                    imageSizes.Add(new Vector2(data.distinctMaterialTextures[i].idealWidth, data.distinctMaterialTextures[i].idealHeight));
                }
                MB2_TexturePacker tp = MB3_TextureCombinerPipeline.CreateTexturePacker(data._packingAlgorithm);
                tp.atlasMustBePowerOfTwo = data._meshBakerTexturePackerForcePowerOfTwo;
                int atlasMaxDimension        = data._maxAtlasSize;
                List <AtlasPadding> paddings = new List <AtlasPadding>();
                for (int i = 0; i < imageSizes.Count; i++)
                {
                    AtlasPadding padding = new AtlasPadding();
                    padding.topBottom = data._atlasPadding;
                    padding.leftRight = data._atlasPadding;
                    if (data._packingAlgorithm == MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Horizontal)
                    {
                        padding.leftRight = 0;
                    }
                    if (data._packingAlgorithm == MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Vertical)
                    {
                        padding.topBottom = 0;
                    }
                    paddings.Add(padding);
                }
                AtlasPackingResult[] packerRects = tp.GetRects(imageSizes, paddings, atlasMaxDimension, atlasMaxDimension, false);
                uvRects = packerRects[0];
            }
            return(uvRects);
        }
Example #3
0
        public override AtlasPackingResult[] CalculateAtlasRectangles(MB3_TextureCombinerPipeline.TexturePipelineData data, bool doMultiAtlas, MB2_LogLevel LOG_LEVEL)
        {
            Debug.Assert(!data.OnlyOneTextureInAtlasReuseTextures());

            //TODO parameter
            int maxAtlasWidth = 512;

            Debug.Assert(data._packingAlgorithm != MB2_PackingAlgorithmEnum.UnitysPackTextures, "Unity texture packer cannot be used");

            //split the list of distinctMaterialTextures into two bins
            List <MB_TexSet> horizontalVerticalDistinctMaterialTextures = new List <MB_TexSet>();
            List <MB_TexSet> regularTextures = new List <MB_TexSet>();

            for (int i = 0; i < data.distinctMaterialTextures.Count; i++)
            {
                MB_TexSet texSet = data.distinctMaterialTextures[i];
                if (texSet.idealWidth >= maxAtlasWidth &&
                    texSet.ts[0].GetEncapsulatingSamplingRect().width > 1f)
                {
                    horizontalVerticalDistinctMaterialTextures.Add(texSet);
                }
                else
                {
                    regularTextures.Add(texSet);
                }
            }
            if (LOG_LEVEL >= MB2_LogLevel.debug)
            {
                Debug.Log(String.Format("Splitting list of distinctMaterialTextures numHorizontalVertical={0} numRegular={1}", horizontalVerticalDistinctMaterialTextures.Count, regularTextures.Count));
            }

            //pack one with the horizontal texture packer
            MB2_TexturePacker        tp;
            MB2_PackingAlgorithmEnum packingAlgorithm;
            int atlasMaxDimension = data._maxAtlasSize;

            AtlasPackingResult[] packerRectsHorizontalVertical;
            if (horizontalVerticalDistinctMaterialTextures.Count > 0)
            {
                packingAlgorithm = MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Horizontal;
                List <Vector2> imageSizesHorizontalVertical = new List <Vector2>();
                for (int i = 0; i < horizontalVerticalDistinctMaterialTextures.Count; i++)
                {
                    horizontalVerticalDistinctMaterialTextures[i].SetTilingTreatmentAndAdjustEncapsulatingSamplingRect(MB_TextureTilingTreatment.edgeToEdgeX);
                    imageSizesHorizontalVertical.Add(new Vector2(horizontalVerticalDistinctMaterialTextures[i].idealWidth, horizontalVerticalDistinctMaterialTextures[i].idealHeight));
                }
                tp = MB3_TextureCombinerPipeline.CreateTexturePacker(packingAlgorithm);
                tp.atlasMustBePowerOfTwo = false;
                List <AtlasPadding> paddingsHorizontalVertical = new List <AtlasPadding>();
                for (int i = 0; i < imageSizesHorizontalVertical.Count; i++)
                {
                    AtlasPadding padding = new AtlasPadding();
                    padding.topBottom = data._atlasPadding;
                    padding.leftRight = data._atlasPadding;
                    if (packingAlgorithm == MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Horizontal)
                    {
                        padding.leftRight = 0;
                    }
                    if (packingAlgorithm == MB2_PackingAlgorithmEnum.MeshBakerTexturePacker_Vertical)
                    {
                        padding.topBottom = 0;
                    }
                    paddingsHorizontalVertical.Add(padding);
                }
                tp.LOG_LEVEL = MB2_LogLevel.trace;
                packerRectsHorizontalVertical = tp.GetRects(imageSizesHorizontalVertical, paddingsHorizontalVertical, maxAtlasWidth, atlasMaxDimension, false);
            }
            else
            {
                packerRectsHorizontalVertical = new AtlasPackingResult[0];
            }
            AtlasPackingResult[] packerRectsRegular;
            if (regularTextures.Count > 0)
            {
                //pack other with regular texture packer
                packingAlgorithm = MB2_PackingAlgorithmEnum.MeshBakerTexturePacker;
                List <Vector2> imageSizesRegular = new List <Vector2>();
                for (int i = 0; i < regularTextures.Count; i++)
                {
                    imageSizesRegular.Add(new Vector2(regularTextures[i].idealWidth, regularTextures[i].idealHeight));
                }
                tp = MB3_TextureCombinerPipeline.CreateTexturePacker(MB2_PackingAlgorithmEnum.MeshBakerTexturePacker);
                tp.atlasMustBePowerOfTwo = false;
                List <AtlasPadding> paddingsRegular = new List <AtlasPadding>();
                for (int i = 0; i < imageSizesRegular.Count; i++)
                {
                    AtlasPadding padding = new AtlasPadding();
                    padding.topBottom = data._atlasPadding;
                    padding.leftRight = data._atlasPadding;
                    paddingsRegular.Add(padding);
                }
                tp.LOG_LEVEL       = MB2_LogLevel.trace;
                packerRectsRegular = tp.GetRects(imageSizesRegular, paddingsRegular, maxAtlasWidth, atlasMaxDimension, false);
            }
            else
            {
                packerRectsRegular = new AtlasPackingResult[0];
            }

            AtlasPackingResult result = null;

            if (packerRectsHorizontalVertical.Length == 0 && packerRectsRegular.Length == 0)
            {
                Debug.Assert(false, "Should never have reached this.");
                return(null);
            }
            else if (packerRectsHorizontalVertical.Length > 0 && packerRectsRegular.Length > 0)
            {
                result = MergeAtlasPackingResultStackBonA(packerRectsHorizontalVertical[0], packerRectsRegular[0], atlasMaxDimension, maxAtlasWidth, true);
            }
            else if (packerRectsHorizontalVertical.Length > 0)
            {
                Debug.LogError("TODO handle this");
                result = packerRectsHorizontalVertical[0];
            }
            else if (packerRectsRegular.Length > 0)
            {
                Debug.LogError("TODO handle this.");
                result = packerRectsRegular[0];
            }

            Debug.Assert(data.distinctMaterialTextures.Count == result.rects.Length);
            //We re-ordered the distinctMaterial textures so replace the list with the new reordered one
            horizontalVerticalDistinctMaterialTextures.AddRange(regularTextures);
            data.distinctMaterialTextures = horizontalVerticalDistinctMaterialTextures;
            AtlasPackingResult[] results;
            if (result != null)
            {
                results = new AtlasPackingResult[] { result }
            }
            ;
            else
            {
                results = new AtlasPackingResult[0];
            }
            return(results);
        }
Example #4
0
        public override AtlasPackingResult[] CalculateAtlasRectangles(MB3_TextureCombinerPipeline.TexturePipelineData data, bool doMultiAtlas, MB2_LogLevel LOG_LEVEL)
        {
            Debug.Assert(!data.OnlyOneTextureInAtlasReuseTextures());
            Debug.Assert(data._packingAlgorithm != MB2_PackingAlgorithmEnum.UnitysPackTextures, "Unity texture packer cannot be used");

            IPipeline pipeline;

            if (_atlasDirection == AtlasDirection.horizontal)
            {
                pipeline = new HorizontalPipeline();
            }
            else
            {
                pipeline = new VerticalPipeline();
            }

            //int maxAtlasWidth = data._maxAtlasWidth;
            //int maxAtlasHeight = data._maxAtlasHeight;
            if (_atlasDirection == AtlasDirection.horizontal)
            {
                if (!data._useMaxAtlasWidthOverride)
                {
                    // need to get the width of the atlas without mesh uvs considered
                    int maxWidth = 2;
                    for (int i = 0; i < data.distinctMaterialTextures.Count; i++)
                    {
                        MB_TexSet ts = data.distinctMaterialTextures[i];
                        int       w;
                        if (data._fixOutOfBoundsUVs)
                        {
                            Vector2 rawHeightWidth = ts.GetMaxRawTextureHeightWidth();
                            w = (int)rawHeightWidth.x;
                        }
                        else
                        {
                            w = ts.idealWidth;
                        }
                        if (ts.idealWidth > maxWidth)
                        {
                            maxWidth = w;
                        }
                    }
                    if (LOG_LEVEL >= MB2_LogLevel.debug)
                    {
                        Debug.Log("Calculated max atlas width: " + maxWidth);
                    }
                    data._maxAtlasWidth = maxWidth;
                }
            }
            else
            {
                if (!data._useMaxAtlasHeightOverride)
                {
                    int maxHeight = 2;
                    for (int i = 0; i < data.distinctMaterialTextures.Count; i++)
                    {
                        MB_TexSet ts = data.distinctMaterialTextures[i];
                        int       h;
                        if (data._fixOutOfBoundsUVs)
                        {
                            Vector2 rawHeightWidth = ts.GetMaxRawTextureHeightWidth();
                            h = (int)rawHeightWidth.y;
                        }
                        else
                        {
                            h = ts.idealHeight;
                        }
                        if (ts.idealHeight > maxHeight)
                        {
                            maxHeight = h;
                        }
                    }
                    if (LOG_LEVEL >= MB2_LogLevel.debug)
                    {
                        Debug.Log("Calculated max atlas height: " + maxHeight);
                    }
                    data._maxAtlasHeight = maxHeight;
                }
            }

            //split the list of distinctMaterialTextures into two bins
            List <MB_TexSet> horizontalVerticalDistinctMaterialTextures = new List <MB_TexSet>();
            List <MB_TexSet> regularTextures = new List <MB_TexSet>();

            for (int i = 0; i < data.distinctMaterialTextures.Count; i++)
            {
                pipeline.SortTexSetIntoBins(data.distinctMaterialTextures[i], horizontalVerticalDistinctMaterialTextures, regularTextures, data._maxAtlasWidth, data._maxAtlasHeight);
            }

            if (LOG_LEVEL >= MB2_LogLevel.debug)
            {
                Debug.Log(String.Format("Splitting list of distinctMaterialTextures numHorizontalVertical={0} numRegular={1} maxAtlasWidth={2} maxAtlasHeight={3}", horizontalVerticalDistinctMaterialTextures.Count, regularTextures.Count, data._maxAtlasWidth, data._maxAtlasHeight));
            }

            //pack one bin with the horizontal vertical texture packer.
            MB2_TexturePacker        tp;
            MB2_PackingAlgorithmEnum packingAlgorithm;

            AtlasPackingResult[] packerRectsHorizontalVertical;
            if (horizontalVerticalDistinctMaterialTextures.Count > 0)
            {
                packingAlgorithm = pipeline.GetPackingAlg();
                List <Vector2> imageSizesHorizontalVertical = new List <Vector2>();
                for (int i = 0; i < horizontalVerticalDistinctMaterialTextures.Count; i++)
                {
                    horizontalVerticalDistinctMaterialTextures[i].SetTilingTreatmentAndAdjustEncapsulatingSamplingRect(pipeline.GetEdge2EdgeTreatment());
                    imageSizesHorizontalVertical.Add(new Vector2(horizontalVerticalDistinctMaterialTextures[i].idealWidth, horizontalVerticalDistinctMaterialTextures[i].idealHeight));
                }

                tp = MB3_TextureCombinerPipeline.CreateTexturePacker(packingAlgorithm);
                tp.atlasMustBePowerOfTwo = false;
                List <AtlasPadding> paddingsHorizontalVertical = new List <AtlasPadding>();
                for (int i = 0; i < imageSizesHorizontalVertical.Count; i++)
                {
                    AtlasPadding padding = new AtlasPadding();
                    pipeline.InitializeAtlasPadding(ref padding, data._atlasPadding);
                    paddingsHorizontalVertical.Add(padding);
                }

                tp.LOG_LEVEL = MB2_LogLevel.trace;
                packerRectsHorizontalVertical = tp.GetRects(imageSizesHorizontalVertical, paddingsHorizontalVertical, data._maxAtlasWidth, data._maxAtlasHeight, false);
                if (LOG_LEVEL >= MB2_LogLevel.trace)
                {
                    Debug.Log(String.Format("Packed {0} textures with edgeToEdge tiling into an atlas of size {1} by {2} usedW {3} usedH {4}", horizontalVerticalDistinctMaterialTextures.Count, packerRectsHorizontalVertical[0].atlasX, packerRectsHorizontalVertical[0].atlasY, packerRectsHorizontalVertical[0].usedW, packerRectsHorizontalVertical[0].usedH));
                }
            }
            else
            {
                packerRectsHorizontalVertical = new AtlasPackingResult[0];
            }

            //pack other bin with regular texture packer
            AtlasPackingResult[] packerRectsRegular;
            if (regularTextures.Count > 0)
            {
                packingAlgorithm = MB2_PackingAlgorithmEnum.MeshBakerTexturePacker;
                List <Vector2> imageSizesRegular = new List <Vector2>();
                for (int i = 0; i < regularTextures.Count; i++)
                {
                    imageSizesRegular.Add(new Vector2(regularTextures[i].idealWidth, regularTextures[i].idealHeight));
                }

                tp = MB3_TextureCombinerPipeline.CreateTexturePacker(MB2_PackingAlgorithmEnum.MeshBakerTexturePacker);
                tp.atlasMustBePowerOfTwo = false;
                List <AtlasPadding> paddingsRegular = new List <AtlasPadding>();
                for (int i = 0; i < imageSizesRegular.Count; i++)
                {
                    AtlasPadding padding = new AtlasPadding();
                    padding.topBottom = data._atlasPadding;
                    padding.leftRight = data._atlasPadding;
                    paddingsRegular.Add(padding);
                }

                int atlasRegularMaxWidth, atlasRegularMaxHeight;
                int usedHorizontalVertWidth = 0, usedHorizontalVertHeight = 0;
                if (packerRectsHorizontalVertical.Length > 0)
                {
                    usedHorizontalVertHeight = packerRectsHorizontalVertical[0].atlasY;
                    usedHorizontalVertWidth  = packerRectsHorizontalVertical[0].atlasX;
                }
                pipeline.GetExtraRoomForRegularAtlas(usedHorizontalVertWidth, usedHorizontalVertHeight, data._maxAtlasWidth, data._maxAtlasHeight, out atlasRegularMaxWidth, out atlasRegularMaxHeight);
                packerRectsRegular = tp.GetRects(imageSizesRegular, paddingsRegular, atlasRegularMaxWidth, atlasRegularMaxHeight, false);
                if (LOG_LEVEL >= MB2_LogLevel.debug)
                {
                    Debug.Log(String.Format("Packed {0} textures without edgeToEdge tiling into an atlas of size {1} by {2} usedW {3} usedH {4}", regularTextures.Count, packerRectsRegular[0].atlasX, packerRectsRegular[0].atlasY, packerRectsRegular[0].usedW, packerRectsRegular[0].usedH));
                }
            }
            else
            {
                packerRectsRegular = new AtlasPackingResult[0];
            }


            AtlasPackingResult result = null;

            if (packerRectsHorizontalVertical.Length == 0 && packerRectsRegular.Length == 0)
            {
                Debug.Assert(false, "Should never have reached this.");
                return(null);
            }
            else if (packerRectsHorizontalVertical.Length > 0 && packerRectsRegular.Length > 0)
            {
                result = MergeAtlasPackingResultStackBonA(packerRectsHorizontalVertical[0], packerRectsRegular[0], data._maxAtlasWidth, data._maxAtlasHeight, true, pipeline);
            }
            else if (packerRectsHorizontalVertical.Length > 0)
            {
                result = packerRectsHorizontalVertical[0];
            }
            else if (packerRectsRegular.Length > 0)
            {
                result = packerRectsRegular[0];
            }

            Debug.Assert(data.distinctMaterialTextures.Count == result.rects.Length);

            //We re-ordered the distinctMaterial textures so replace the list with the new reordered one
            horizontalVerticalDistinctMaterialTextures.AddRange(regularTextures);
            data.distinctMaterialTextures = horizontalVerticalDistinctMaterialTextures;
            AtlasPackingResult[] results;
            if (result != null)
            {
                results = new AtlasPackingResult[] { result }
            }
            ;
            else
            {
                results = new AtlasPackingResult[0];
            }
            return(results);
        }