diff options
Diffstat (limited to 'libs/assimp/code/AssetLib/Obj/ObjFileMtlImporter.cpp')
| -rw-r--r-- | libs/assimp/code/AssetLib/Obj/ObjFileMtlImporter.cpp | 497 |
1 files changed, 0 insertions, 497 deletions
diff --git a/libs/assimp/code/AssetLib/Obj/ObjFileMtlImporter.cpp b/libs/assimp/code/AssetLib/Obj/ObjFileMtlImporter.cpp deleted file mode 100644 index 2441c17..0000000 --- a/libs/assimp/code/AssetLib/Obj/ObjFileMtlImporter.cpp +++ /dev/null @@ -1,497 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2020, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the following -conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ---------------------------------------------------------------------------- -*/ - -#ifndef ASSIMP_BUILD_NO_OBJ_IMPORTER - -#include "ObjFileMtlImporter.h" -#include "ObjFileData.h" -#include "ObjTools.h" -#include <assimp/ParsingUtils.h> -#include <assimp/fast_atof.h> -#include <assimp/material.h> -#include <stdlib.h> -#include <assimp/DefaultLogger.hpp> - -namespace Assimp { - -// Material specific token (case insensitive compare) -static const std::string DiffuseTexture = "map_Kd"; -static const std::string AmbientTexture = "map_Ka"; -static const std::string SpecularTexture = "map_Ks"; -static const std::string OpacityTexture = "map_d"; -static const std::string EmissiveTexture1 = "map_emissive"; -static const std::string EmissiveTexture2 = "map_Ke"; -static const std::string BumpTexture1 = "map_bump"; -static const std::string BumpTexture2 = "bump"; -static const std::string NormalTextureV1 = "map_Kn"; -static const std::string NormalTextureV2 = "norm"; -static const std::string ReflectionTexture = "refl"; -static const std::string DisplacementTexture1 = "map_disp"; -static const std::string DisplacementTexture2 = "disp"; -static const std::string SpecularityTexture = "map_ns"; -static const std::string RoughnessTexture = "map_Pr"; -static const std::string MetallicTexture = "map_Pm"; -static const std::string SheenTexture = "map_Ps"; -static const std::string RMATexture = "map_Ps"; - -// texture option specific token -static const std::string BlendUOption = "-blendu"; -static const std::string BlendVOption = "-blendv"; -static const std::string BoostOption = "-boost"; -static const std::string ModifyMapOption = "-mm"; -static const std::string OffsetOption = "-o"; -static const std::string ScaleOption = "-s"; -static const std::string TurbulenceOption = "-t"; -static const std::string ResolutionOption = "-texres"; -static const std::string ClampOption = "-clamp"; -static const std::string BumpOption = "-bm"; -static const std::string ChannelOption = "-imfchan"; -static const std::string TypeOption = "-type"; - -// ------------------------------------------------------------------- -// Constructor -ObjFileMtlImporter::ObjFileMtlImporter(std::vector<char> &buffer, - const std::string &, - ObjFile::Model *pModel) : - m_DataIt(buffer.begin()), - m_DataItEnd(buffer.end()), - m_pModel(pModel), - m_uiLine(0), - m_buffer() { - ai_assert(nullptr != m_pModel); - m_buffer.resize(BUFFERSIZE); - std::fill(m_buffer.begin(), m_buffer.end(), '\0'); - if (nullptr == m_pModel->m_pDefaultMaterial) { - m_pModel->m_pDefaultMaterial = new ObjFile::Material; - m_pModel->m_pDefaultMaterial->MaterialName.Set("default"); - } - load(); -} - -// ------------------------------------------------------------------- -// Destructor -ObjFileMtlImporter::~ObjFileMtlImporter() { - // empty -} - -// ------------------------------------------------------------------- -// Loads the material description -void ObjFileMtlImporter::load() { - if (m_DataIt == m_DataItEnd) - return; - - while (m_DataIt != m_DataItEnd) { - switch (*m_DataIt) { - case 'k': - case 'K': { - ++m_DataIt; - if (*m_DataIt == 'a') // Ambient color - { - ++m_DataIt; - getColorRGBA(&m_pModel->m_pCurrentMaterial->ambient); - } else if (*m_DataIt == 'd') { - // Diffuse color - ++m_DataIt; - getColorRGBA(&m_pModel->m_pCurrentMaterial->diffuse); - } else if (*m_DataIt == 's') { - ++m_DataIt; - getColorRGBA(&m_pModel->m_pCurrentMaterial->specular); - } else if (*m_DataIt == 'e') { - ++m_DataIt; - getColorRGBA(&m_pModel->m_pCurrentMaterial->emissive); - } - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - case 'T': { - ++m_DataIt; - // Material transmission color - if (*m_DataIt == 'f') { - ++m_DataIt; - getColorRGBA(&m_pModel->m_pCurrentMaterial->transparent); - } else if (*m_DataIt == 'r') { - // Material transmission alpha value - ++m_DataIt; - ai_real d; - getFloatValue(d); - m_pModel->m_pCurrentMaterial->alpha = static_cast<ai_real>(1.0) - d; - } - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - case 'd': { - if (*(m_DataIt + 1) == 'i' && *(m_DataIt + 2) == 's' && *(m_DataIt + 3) == 'p') { - // A displacement map - getTexture(); - } else { - // Alpha value - ++m_DataIt; - getFloatValue(m_pModel->m_pCurrentMaterial->alpha); - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } - } break; - - case 'N': - case 'n': { - ++m_DataIt; - switch (*m_DataIt) { - case 's': // Specular exponent - ++m_DataIt; - getFloatValue(m_pModel->m_pCurrentMaterial->shineness); - break; - case 'i': // Index Of refraction - ++m_DataIt; - getFloatValue(m_pModel->m_pCurrentMaterial->ior); - break; - case 'e': // New material - createMaterial(); - break; - case 'o': // Norm texture - --m_DataIt; - getTexture(); - break; - } - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - - case 'P': - { - ++m_DataIt; - switch(*m_DataIt) - { - case 'r': - ++m_DataIt; - getFloatValue(m_pModel->m_pCurrentMaterial->roughness); - break; - case 'm': - ++m_DataIt; - getFloatValue(m_pModel->m_pCurrentMaterial->metallic); - break; - case 's': - ++m_DataIt; - getColorRGBA(&m_pModel->m_pCurrentMaterial->sheen); - break; - case 'c': - ++m_DataIt; - if (*m_DataIt == 'r') { - ++m_DataIt; - getFloatValue(m_pModel->m_pCurrentMaterial->clearcoat_roughness); - } else { - getFloatValue(m_pModel->m_pCurrentMaterial->clearcoat_thickness); - } - break; - } - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } - break; - - case 'm': // Texture - case 'b': // quick'n'dirty - for 'bump' sections - case 'r': // quick'n'dirty - for 'refl' sections - { - getTexture(); - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - - case 'i': // Illumination model - { - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - getIlluminationModel(m_pModel->m_pCurrentMaterial->illumination_model); - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - - case 'a': // Anisotropy - { - getFloatValue(m_pModel->m_pCurrentMaterial->anisotropy); - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - - default: { - m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine); - } break; - } - } -} - -// ------------------------------------------------------------------- -// Loads a color definition -void ObjFileMtlImporter::getColorRGBA(aiColor3D *pColor) { - ai_assert(nullptr != pColor); - - ai_real r(0.0), g(0.0), b(0.0); - m_DataIt = getFloat<DataArrayIt>(m_DataIt, m_DataItEnd, r); - pColor->r = r; - - // we have to check if color is default 0 with only one token - if (!IsLineEnd(*m_DataIt)) { - m_DataIt = getFloat<DataArrayIt>(m_DataIt, m_DataItEnd, g); - m_DataIt = getFloat<DataArrayIt>(m_DataIt, m_DataItEnd, b); - } - pColor->g = g; - pColor->b = b; -} - -// ------------------------------------------------------------------- -// Loads the kind of illumination model. -void ObjFileMtlImporter::getIlluminationModel(int &illum_model) { - m_DataIt = CopyNextWord<DataArrayIt>(m_DataIt, m_DataItEnd, &m_buffer[0], BUFFERSIZE); - illum_model = atoi(&m_buffer[0]); -} - -// ------------------------------------------------------------------- -// Loads a single float value. -void ObjFileMtlImporter::getFloatValue(ai_real &value) { - m_DataIt = CopyNextWord<DataArrayIt>(m_DataIt, m_DataItEnd, &m_buffer[0], BUFFERSIZE); - size_t len = std::strlen(&m_buffer[0]); - if (0 == len) { - value = 0.0f; - return; - } - - value = (ai_real)fast_atof(&m_buffer[0]); -} - -// ------------------------------------------------------------------- -// Creates a material from loaded data. -void ObjFileMtlImporter::createMaterial() { - std::string line; - while (!IsLineEnd(*m_DataIt)) { - line += *m_DataIt; - ++m_DataIt; - } - - std::vector<std::string> token; - const unsigned int numToken = tokenize<std::string>(line, token, " \t"); - std::string name; - if (numToken == 1) { - name = AI_DEFAULT_MATERIAL_NAME; - } else { - // skip newmtl and all following white spaces - std::size_t first_ws_pos = line.find_first_of(" \t"); - std::size_t first_non_ws_pos = line.find_first_not_of(" \t", first_ws_pos); - if (first_non_ws_pos != std::string::npos) { - name = line.substr(first_non_ws_pos); - } - } - - name = trim_whitespaces(name); - - std::map<std::string, ObjFile::Material *>::iterator it = m_pModel->m_MaterialMap.find(name); - if (m_pModel->m_MaterialMap.end() == it) { - // New Material created - m_pModel->m_pCurrentMaterial = new ObjFile::Material(); - m_pModel->m_pCurrentMaterial->MaterialName.Set(name); - m_pModel->m_MaterialLib.push_back(name); - m_pModel->m_MaterialMap[name] = m_pModel->m_pCurrentMaterial; - - if (m_pModel->m_pCurrentMesh) { - m_pModel->m_pCurrentMesh->m_uiMaterialIndex = static_cast<unsigned int>(m_pModel->m_MaterialLib.size() - 1); - } - } else { - // Use older material - m_pModel->m_pCurrentMaterial = (*it).second; - } -} - -// ------------------------------------------------------------------- -// Gets a texture name from data. -void ObjFileMtlImporter::getTexture() { - aiString *out(nullptr); - int clampIndex = -1; - - const char *pPtr(&(*m_DataIt)); - if (!ASSIMP_strincmp(pPtr, DiffuseTexture.c_str(), static_cast<unsigned int>(DiffuseTexture.size()))) { - // Diffuse texture - out = &m_pModel->m_pCurrentMaterial->texture; - clampIndex = ObjFile::Material::TextureDiffuseType; - } else if (!ASSIMP_strincmp(pPtr, AmbientTexture.c_str(), static_cast<unsigned int>(AmbientTexture.size()))) { - // Ambient texture - out = &m_pModel->m_pCurrentMaterial->textureAmbient; - clampIndex = ObjFile::Material::TextureAmbientType; - } else if (!ASSIMP_strincmp(pPtr, SpecularTexture.c_str(), static_cast<unsigned int>(SpecularTexture.size()))) { - // Specular texture - out = &m_pModel->m_pCurrentMaterial->textureSpecular; - clampIndex = ObjFile::Material::TextureSpecularType; - } else if (!ASSIMP_strincmp(pPtr, DisplacementTexture1.c_str(), static_cast<unsigned int>(DisplacementTexture1.size())) || - !ASSIMP_strincmp(pPtr, DisplacementTexture2.c_str(), static_cast<unsigned int>(DisplacementTexture2.size()))) { - // Displacement texture - out = &m_pModel->m_pCurrentMaterial->textureDisp; - clampIndex = ObjFile::Material::TextureDispType; - } else if (!ASSIMP_strincmp(pPtr, OpacityTexture.c_str(), static_cast<unsigned int>(OpacityTexture.size()))) { - // Opacity texture - out = &m_pModel->m_pCurrentMaterial->textureOpacity; - clampIndex = ObjFile::Material::TextureOpacityType; - } else if (!ASSIMP_strincmp(pPtr, EmissiveTexture1.c_str(), static_cast<unsigned int>(EmissiveTexture1.size())) || - !ASSIMP_strincmp(pPtr, EmissiveTexture2.c_str(), static_cast<unsigned int>(EmissiveTexture2.size()))) { - // Emissive texture - out = &m_pModel->m_pCurrentMaterial->textureEmissive; - clampIndex = ObjFile::Material::TextureEmissiveType; - } else if (!ASSIMP_strincmp(pPtr, BumpTexture1.c_str(), static_cast<unsigned int>(BumpTexture1.size())) || - !ASSIMP_strincmp(pPtr, BumpTexture2.c_str(), static_cast<unsigned int>(BumpTexture2.size()))) { - // Bump texture - out = &m_pModel->m_pCurrentMaterial->textureBump; - clampIndex = ObjFile::Material::TextureBumpType; - } else if (!ASSIMP_strincmp(pPtr, NormalTextureV1.c_str(), static_cast<unsigned int>(NormalTextureV1.size())) || !ASSIMP_strincmp(pPtr, NormalTextureV2.c_str(), static_cast<unsigned int>(NormalTextureV2.size()))) { - // Normal map - out = &m_pModel->m_pCurrentMaterial->textureNormal; - clampIndex = ObjFile::Material::TextureNormalType; - } else if (!ASSIMP_strincmp(pPtr, ReflectionTexture.c_str(), static_cast<unsigned int>(ReflectionTexture.size()))) { - // Reflection texture(s) - //Do nothing here - return; - } else if (!ASSIMP_strincmp(pPtr, SpecularityTexture.c_str(), static_cast<unsigned int>(SpecularityTexture.size()))) { - // Specularity scaling (glossiness) - out = &m_pModel->m_pCurrentMaterial->textureSpecularity; - clampIndex = ObjFile::Material::TextureSpecularityType; - } else if ( !ASSIMP_strincmp( pPtr, RoughnessTexture.c_str(), static_cast<unsigned int>(RoughnessTexture.size()))) { - // PBR Roughness texture - out = & m_pModel->m_pCurrentMaterial->textureRoughness; - clampIndex = ObjFile::Material::TextureRoughnessType; - } else if ( !ASSIMP_strincmp( pPtr, MetallicTexture.c_str(), static_cast<unsigned int>(MetallicTexture.size()))) { - // PBR Metallic texture - out = & m_pModel->m_pCurrentMaterial->textureMetallic; - clampIndex = ObjFile::Material::TextureMetallicType; - } else if (!ASSIMP_strincmp( pPtr, SheenTexture.c_str(), static_cast<unsigned int>(SheenTexture.size()))) { - // PBR Sheen (reflectance) texture - out = & m_pModel->m_pCurrentMaterial->textureSheen; - clampIndex = ObjFile::Material::TextureSheenType; - } else if (!ASSIMP_strincmp( pPtr, RMATexture.c_str(), static_cast<unsigned int>(RMATexture.size()))) { - // PBR Rough/Metal/AO texture - out = & m_pModel->m_pCurrentMaterial->textureRMA; - clampIndex = ObjFile::Material::TextureRMAType; - } else { - ASSIMP_LOG_ERROR("OBJ/MTL: Encountered unknown texture type"); - return; - } - - bool clamp = false; - getTextureOption(clamp, clampIndex, out); - m_pModel->m_pCurrentMaterial->clamp[clampIndex] = clamp; - - std::string texture; - m_DataIt = getName<DataArrayIt>(m_DataIt, m_DataItEnd, texture); - if (nullptr != out) { - out->Set(texture); - } -} - -/* ///////////////////////////////////////////////////////////////////////////// - * Texture Option - * ///////////////////////////////////////////////////////////////////////////// - * According to http://en.wikipedia.org/wiki/Wavefront_.obj_file#Texture_options - * Texture map statement can contains various texture option, for example: - * - * map_Ka -o 1 1 1 some.png - * map_Kd -clamp on some.png - * - * So we need to parse and skip these options, and leave the last part which is - * the url of image, otherwise we will get a wrong url like "-clamp on some.png". - * - * Because aiMaterial supports clamp option, so we also want to return it - * ///////////////////////////////////////////////////////////////////////////// - */ -void ObjFileMtlImporter::getTextureOption(bool &clamp, int &clampIndex, aiString *&out) { - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - - // If there is any more texture option - while (!isEndOfBuffer(m_DataIt, m_DataItEnd) && *m_DataIt == '-') { - const char *pPtr(&(*m_DataIt)); - //skip option key and value - int skipToken = 1; - - if (!ASSIMP_strincmp(pPtr, ClampOption.c_str(), static_cast<unsigned int>(ClampOption.size()))) { - DataArrayIt it = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - char value[3]; - CopyNextWord(it, m_DataItEnd, value, sizeof(value) / sizeof(*value)); - if (!ASSIMP_strincmp(value, "on", 2)) { - clamp = true; - } - - skipToken = 2; - } else if (!ASSIMP_strincmp(pPtr, TypeOption.c_str(), static_cast<unsigned int>(TypeOption.size()))) { - DataArrayIt it = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - char value[12]; - CopyNextWord(it, m_DataItEnd, value, sizeof(value) / sizeof(*value)); - if (!ASSIMP_strincmp(value, "cube_top", 8)) { - clampIndex = ObjFile::Material::TextureReflectionCubeTopType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[0]; - } else if (!ASSIMP_strincmp(value, "cube_bottom", 11)) { - clampIndex = ObjFile::Material::TextureReflectionCubeBottomType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[1]; - } else if (!ASSIMP_strincmp(value, "cube_front", 10)) { - clampIndex = ObjFile::Material::TextureReflectionCubeFrontType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[2]; - } else if (!ASSIMP_strincmp(value, "cube_back", 9)) { - clampIndex = ObjFile::Material::TextureReflectionCubeBackType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[3]; - } else if (!ASSIMP_strincmp(value, "cube_left", 9)) { - clampIndex = ObjFile::Material::TextureReflectionCubeLeftType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[4]; - } else if (!ASSIMP_strincmp(value, "cube_right", 10)) { - clampIndex = ObjFile::Material::TextureReflectionCubeRightType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[5]; - } else if (!ASSIMP_strincmp(value, "sphere", 6)) { - clampIndex = ObjFile::Material::TextureReflectionSphereType; - out = &m_pModel->m_pCurrentMaterial->textureReflection[0]; - } - - skipToken = 2; - } else if (!ASSIMP_strincmp(pPtr, BumpOption.c_str(), static_cast<unsigned int>(BumpOption.size()))) { - DataArrayIt it = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - getFloat(it, m_DataItEnd, m_pModel->m_pCurrentMaterial->bump_multiplier); - skipToken = 2; - } else if (!ASSIMP_strincmp(pPtr, BlendUOption.c_str(), static_cast<unsigned int>(BlendUOption.size())) || !ASSIMP_strincmp(pPtr, BlendVOption.c_str(), static_cast<unsigned int>(BlendVOption.size())) || !ASSIMP_strincmp(pPtr, BoostOption.c_str(), static_cast<unsigned int>(BoostOption.size())) || !ASSIMP_strincmp(pPtr, ResolutionOption.c_str(), static_cast<unsigned int>(ResolutionOption.size())) || !ASSIMP_strincmp(pPtr, ChannelOption.c_str(), static_cast<unsigned int>(ChannelOption.size()))) { - skipToken = 2; - } else if (!ASSIMP_strincmp(pPtr, ModifyMapOption.c_str(), static_cast<unsigned int>(ModifyMapOption.size()))) { - skipToken = 3; - } else if (!ASSIMP_strincmp(pPtr, OffsetOption.c_str(), static_cast<unsigned int>(OffsetOption.size())) || !ASSIMP_strincmp(pPtr, ScaleOption.c_str(), static_cast<unsigned int>(ScaleOption.size())) || !ASSIMP_strincmp(pPtr, TurbulenceOption.c_str(), static_cast<unsigned int>(TurbulenceOption.size()))) { - skipToken = 4; - } - - for (int i = 0; i < skipToken; ++i) { - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - } - } -} - -// ------------------------------------------------------------------- - -} // Namespace Assimp - -#endif // !! ASSIMP_BUILD_NO_OBJ_IMPORTER |