1 2 // 3 // This source file is part of appleseed. 4 // Visit https://appleseedhq.net/ for additional information and resources. 5 // 6 // This software is released under the MIT license. 7 // 8 // Copyright (c) 2010-2013 Francois Beaune, Jupiter Jazz Limited 9 // Copyright (c) 2014-2018 Francois Beaune, The appleseedhq Organization 10 // 11 // Permission is hereby granted, free of charge, to any person obtaining a copy 12 // of this software and associated documentation files (the "Software"), to deal 13 // in the Software without restriction, including without limitation the rights 14 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 15 // copies of the Software, and to permit persons to whom the Software is 16 // furnished to do so, subject to the following conditions: 17 // 18 // The above copyright notice and this permission notice shall be included in 19 // all copies or substantial portions of the Software. 20 // 21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 24 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 26 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 27 // THE SOFTWARE. 28 // 29 30 #pragma once 31 32 // appleseed.foundation headers. 33 #include "foundation/math/voxelgrid.h" 34 35 // Standard headers. 36 #include <cstddef> 37 #include <memory> 38 39 namespace renderer 40 { 41 42 // 43 // The voxel grid used for rendering. 44 // 45 46 typedef foundation::VoxelGrid3<float, double> VoxelGrid; 47 48 49 // 50 // A structure to keep track of the channels in a voxel grid. 51 // 52 53 struct FluidChannels 54 { 55 static const size_t NotPresent = ~size_t(0); 56 57 size_t m_color_index; 58 size_t m_density_index; 59 size_t m_temperature_index; 60 size_t m_fuel_index; 61 size_t m_falloff_index; 62 size_t m_pressure_index; 63 size_t m_coordinates_index; 64 size_t m_velocity_index; 65 66 // Constructor, initializes all channel indices to NotPresent. 67 FluidChannels(); 68 }; 69 70 71 // 72 // Voxel grid I/O. 73 // 74 75 // Read a fluid file created by 3Delight for Maya. 76 std::unique_ptr<VoxelGrid> read_fluid_file( 77 const char* filename, 78 FluidChannels& channels); 79 80 // Write a voxel grid to disk in a human-readable format. 81 void write_voxel_grid( 82 const char* filename, 83 const VoxelGrid& grid); 84 85 } // namespace renderer 86