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Diffstat (limited to 'libs/assimp/code/AssetLib/Irr/IRRShared.cpp')
| -rw-r--r-- | libs/assimp/code/AssetLib/Irr/IRRShared.cpp | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/libs/assimp/code/AssetLib/Irr/IRRShared.cpp b/libs/assimp/code/AssetLib/Irr/IRRShared.cpp new file mode 100644 index 0000000..8763b63 --- /dev/null +++ b/libs/assimp/code/AssetLib/Irr/IRRShared.cpp @@ -0,0 +1,387 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (assimp) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2022, 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. +--------------------------------------------------------------------------- +*/ + +/** @file IRRShared.cpp + * @brief Shared utilities for the IRR and IRRMESH loaders + */ + +//This section should be excluded only if both the Irrlicht AND the Irrlicht Mesh importers were omitted. +#if !(defined(ASSIMP_BUILD_NO_IRR_IMPORTER) && defined(ASSIMP_BUILD_NO_IRRMESH_IMPORTER)) + +#include "IRRShared.h" +#include <assimp/ParsingUtils.h> +#include <assimp/fast_atof.h> +#include <assimp/DefaultLogger.hpp> +#include <assimp/material.h> + +using namespace Assimp; + +// Transformation matrix to convert from Assimp to IRR space +const aiMatrix4x4 Assimp::AI_TO_IRR_MATRIX = aiMatrix4x4 ( + 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f); + +// ------------------------------------------------------------------------------------------------ +// read a property in hexadecimal format (i.e. ffffffff) +void IrrlichtBase::ReadHexProperty(HexProperty &out ) { + for (pugi::xml_attribute attrib : mNode->attributes()) { + if (!ASSIMP_stricmp(attrib.name(), "name")) { + out.name = std::string( attrib.value() ); + } else if (!ASSIMP_stricmp(attrib.name(),"value")) { + // parse the hexadecimal value + out.value = strtoul16(attrib.name()); + } + } +} + +// ------------------------------------------------------------------------------------------------ +// read a decimal property +void IrrlichtBase::ReadIntProperty(IntProperty & out) { + for (pugi::xml_attribute attrib : mNode->attributes()) { + if (!ASSIMP_stricmp(attrib.name(), "name")) { + out.name = std::string(attrib.value()); + } else if (!ASSIMP_stricmp(attrib.value(),"value")) { + // parse the int value + out.value = strtol10(attrib.name()); + } + } +} + +// ------------------------------------------------------------------------------------------------ +// read a string property +void IrrlichtBase::ReadStringProperty( StringProperty& out) { + for (pugi::xml_attribute attrib : mNode->attributes()) { + if (!ASSIMP_stricmp(attrib.name(), "name")) { + out.name = std::string(attrib.value()); + } else if (!ASSIMP_stricmp(attrib.name(), "value")) { + // simple copy the string + out.value = std::string(attrib.value()); + } + } +} + +// ------------------------------------------------------------------------------------------------ +// read a boolean property +void IrrlichtBase::ReadBoolProperty(BoolProperty &out) { + for (pugi::xml_attribute attrib : mNode->attributes()) { + if (!ASSIMP_stricmp(attrib.name(), "name")){ + out.name = std::string(attrib.value()); + } else if (!ASSIMP_stricmp(attrib.name(), "value")) { + // true or false, case insensitive + out.value = (ASSIMP_stricmp(attrib.value(), "true") ? false : true); + } + } +} + +// ------------------------------------------------------------------------------------------------ +// read a float property +void IrrlichtBase::ReadFloatProperty(FloatProperty &out) { + for (pugi::xml_attribute attrib : mNode->attributes()) { + if (!ASSIMP_stricmp(attrib.name(), "name")) { + out.name = std::string(attrib.value()); + } else if (!ASSIMP_stricmp(attrib.name(), "value")) { + // just parse the float + out.value = fast_atof(attrib.value()); + } + } +} + +// ------------------------------------------------------------------------------------------------ +// read a vector property +void IrrlichtBase::ReadVectorProperty( VectorProperty &out ) { + for (pugi::xml_attribute attrib : mNode->attributes()) { + if (!ASSIMP_stricmp(attrib.name(), "name")) { + out.name = std::string(attrib.value()); + } else if (!ASSIMP_stricmp(attrib.name(), "value")) { + // three floats, separated with commas + const char *ptr = attrib.value(); + + SkipSpaces(&ptr); + ptr = fast_atoreal_move<float>( ptr,(float&)out.value.x ); + SkipSpaces(&ptr); + if (',' != *ptr) { + ASSIMP_LOG_ERROR("IRR(MESH): Expected comma in vector definition"); + } else { + SkipSpaces(ptr + 1, &ptr); + } + ptr = fast_atoreal_move<float>( ptr,(float&)out.value.y ); + SkipSpaces(&ptr); + if (',' != *ptr) { + ASSIMP_LOG_ERROR("IRR(MESH): Expected comma in vector definition"); + } else { + SkipSpaces(ptr + 1, &ptr); + } + ptr = fast_atoreal_move<float>( ptr,(float&)out.value.z ); + } + } +} + +// ------------------------------------------------------------------------------------------------ +// Convert a string to a proper aiMappingMode +int ConvertMappingMode(const std::string& mode) { + if (mode == "texture_clamp_repeat") { + return aiTextureMapMode_Wrap; + } else if (mode == "texture_clamp_mirror") { + return aiTextureMapMode_Mirror; + } + + return aiTextureMapMode_Clamp; +} + +// ------------------------------------------------------------------------------------------------ +// Parse a material from the XML file +aiMaterial* IrrlichtBase::ParseMaterial(unsigned int& matFlags) { + aiMaterial* mat = new aiMaterial(); + aiColor4D clr; + aiString s; + + matFlags = 0; // zero output flags + int cnt = 0; // number of used texture channels + unsigned int nd = 0; + + for (pugi::xml_node child : mNode->children()) { + if (!ASSIMP_stricmp(child.name(), "color")) { // Hex properties + HexProperty prop; + ReadHexProperty(prop); + if (prop.name == "Diffuse") { + ColorFromARGBPacked(prop.value, clr); + mat->AddProperty(&clr, 1, AI_MATKEY_COLOR_DIFFUSE); + } else if (prop.name == "Ambient") { + ColorFromARGBPacked(prop.value, clr); + mat->AddProperty(&clr, 1, AI_MATKEY_COLOR_AMBIENT); + } else if (prop.name == "Specular") { + ColorFromARGBPacked(prop.value, clr); + mat->AddProperty(&clr, 1, AI_MATKEY_COLOR_SPECULAR); + } + + // NOTE: The 'emissive' property causes problems. It is + // often != 0, even if there is obviously no light + // emitted by the described surface. In fact I think + // IRRLICHT ignores this property, too. +#if 0 + else if (prop.name == "Emissive") { + ColorFromARGBPacked(prop.value,clr); + mat->AddProperty(&clr,1,AI_MATKEY_COLOR_EMISSIVE); + } +#endif + } else if (!ASSIMP_stricmp(child.name(), "float")) { // Float properties + FloatProperty prop; + ReadFloatProperty(prop); + if (prop.name == "Shininess") { + mat->AddProperty(&prop.value, 1, AI_MATKEY_SHININESS); + } + } else if (!ASSIMP_stricmp(child.name(), "bool")) { // Bool properties + BoolProperty prop; + ReadBoolProperty(prop); + if (prop.name == "Wireframe") { + int val = (prop.value ? true : false); + mat->AddProperty(&val, 1, AI_MATKEY_ENABLE_WIREFRAME); + } else if (prop.name == "GouraudShading") { + int val = (prop.value ? aiShadingMode_Gouraud : aiShadingMode_NoShading); + mat->AddProperty(&val, 1, AI_MATKEY_SHADING_MODEL); + } else if (prop.name == "BackfaceCulling") { + int val = (!prop.value); + mat->AddProperty(&val, 1, AI_MATKEY_TWOSIDED); + } + } else if (!ASSIMP_stricmp(child.name(), "texture") || + !ASSIMP_stricmp(child.name(), "enum")) { // String properties - textures and texture related properties + StringProperty prop; + ReadStringProperty(prop); + if (prop.value.length()) { + // material type (shader) + if (prop.name == "Type") { + if (prop.value == "solid") { + // default material ... + } else if (prop.value == "trans_vertex_alpha") { + matFlags = AI_IRRMESH_MAT_trans_vertex_alpha; + } else if (prop.value == "lightmap") { + matFlags = AI_IRRMESH_MAT_lightmap; + } else if (prop.value == "solid_2layer") { + matFlags = AI_IRRMESH_MAT_solid_2layer; + } else if (prop.value == "lightmap_m2") { + matFlags = AI_IRRMESH_MAT_lightmap_m2; + } else if (prop.value == "lightmap_m4") { + matFlags = AI_IRRMESH_MAT_lightmap_m4; + } else if (prop.value == "lightmap_light") { + matFlags = AI_IRRMESH_MAT_lightmap_light; + } else if (prop.value == "lightmap_light_m2") { + matFlags = AI_IRRMESH_MAT_lightmap_light_m2; + } else if (prop.value == "lightmap_light_m4") { + matFlags = AI_IRRMESH_MAT_lightmap_light_m4; + } else if (prop.value == "lightmap_add") { + matFlags = AI_IRRMESH_MAT_lightmap_add; + } else if (prop.value == "normalmap_solid" || + prop.value == "parallaxmap_solid") { // Normal and parallax maps are treated equally + matFlags = AI_IRRMESH_MAT_normalmap_solid; + } else if (prop.value == "normalmap_trans_vertex_alpha" || + prop.value == "parallaxmap_trans_vertex_alpha") { + matFlags = AI_IRRMESH_MAT_normalmap_tva; + } else if (prop.value == "normalmap_trans_add" || + prop.value == "parallaxmap_trans_add") { + matFlags = AI_IRRMESH_MAT_normalmap_ta; + } else { + ASSIMP_LOG_WARN("IRRMat: Unrecognized material type: ", prop.value); + } + } + + // Up to 4 texture channels are supported + if (prop.name == "Texture1") { + // Always accept the primary texture channel + ++cnt; + s.Set(prop.value); + mat->AddProperty(&s, AI_MATKEY_TEXTURE_DIFFUSE(0)); + } else if (prop.name == "Texture2" && cnt == 1) { + // 2-layer material lightmapped? + if (matFlags & AI_IRRMESH_MAT_lightmap) { + ++cnt; + s.Set(prop.value); + mat->AddProperty(&s, AI_MATKEY_TEXTURE_LIGHTMAP(0)); + + // set the corresponding material flag + matFlags |= AI_IRRMESH_EXTRA_2ND_TEXTURE; + } else if (matFlags & AI_IRRMESH_MAT_normalmap_solid) { // alternatively: normal or parallax mapping + ++cnt; + s.Set(prop.value); + mat->AddProperty(&s, AI_MATKEY_TEXTURE_NORMALS(0)); + + // set the corresponding material flag + matFlags |= AI_IRRMESH_EXTRA_2ND_TEXTURE; + } else if (matFlags & AI_IRRMESH_MAT_solid_2layer) { // or just as second diffuse texture + ++cnt; + s.Set(prop.value); + mat->AddProperty(&s, AI_MATKEY_TEXTURE_DIFFUSE(1)); + ++nd; + + // set the corresponding material flag + matFlags |= AI_IRRMESH_EXTRA_2ND_TEXTURE; + } else { + ASSIMP_LOG_WARN("IRRmat: Skipping second texture"); + } + } else if (prop.name == "Texture3" && cnt == 2) { + // Irrlicht does not seem to use these channels. + ++cnt; + s.Set(prop.value); + mat->AddProperty(&s, AI_MATKEY_TEXTURE_DIFFUSE(nd + 1)); + } else if (prop.name == "Texture4" && cnt == 3) { + // Irrlicht does not seem to use these channels. + ++cnt; + s.Set(prop.value); + mat->AddProperty(&s, AI_MATKEY_TEXTURE_DIFFUSE(nd + 2)); + } + + // Texture mapping options + if (prop.name == "TextureWrap1" && cnt >= 1) { + int map = ConvertMappingMode(prop.value); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0)); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_V_DIFFUSE(0)); + } else if (prop.name == "TextureWrap2" && cnt >= 2) { + int map = ConvertMappingMode(prop.value); + if (matFlags & AI_IRRMESH_MAT_lightmap) { + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_U_LIGHTMAP(0)); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_V_LIGHTMAP(0)); + } else if (matFlags & (AI_IRRMESH_MAT_normalmap_solid)) { + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_U_NORMALS(0)); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_V_NORMALS(0)); + } else if (matFlags & AI_IRRMESH_MAT_solid_2layer) { + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_U_DIFFUSE(1)); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_V_DIFFUSE(1)); + } + } else if (prop.name == "TextureWrap3" && cnt >= 3) { + int map = ConvertMappingMode(prop.value); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_U_DIFFUSE(nd + 1)); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_V_DIFFUSE(nd + 1)); + } else if (prop.name == "TextureWrap4" && cnt >= 4) { + int map = ConvertMappingMode(prop.value); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_U_DIFFUSE(nd + 2)); + mat->AddProperty(&map, 1, AI_MATKEY_MAPPINGMODE_V_DIFFUSE(nd + 2)); + } + } + } + //break; + /*case EXN_ELEMENT_END: + + // Assume there are no further nested nodes in <material> elements + if ( !ASSIMP_stricmp(reader->getNodeName(),"material") || + !ASSIMP_stricmp(reader->getNodeName(),"attributes")) + { + // Now process lightmapping flags + // We should have at least one textur to do that .. + if (cnt && matFlags & AI_IRRMESH_MAT_lightmap) + { + float f = 1.f; + unsigned int unmasked = matFlags&~AI_IRRMESH_MAT_lightmap; + + // Additive lightmap? + int op = (unmasked & AI_IRRMESH_MAT_lightmap_add + ? aiTextureOp_Add : aiTextureOp_Multiply); + + // Handle Irrlicht's lightmapping scaling factor + if (unmasked & AI_IRRMESH_MAT_lightmap_m2 || + unmasked & AI_IRRMESH_MAT_lightmap_light_m2) + { + f = 2.f; + } + else if (unmasked & AI_IRRMESH_MAT_lightmap_m4 || + unmasked & AI_IRRMESH_MAT_lightmap_light_m4) + { + f = 4.f; + } + mat->AddProperty( &f, 1, AI_MATKEY_TEXBLEND_LIGHTMAP(0)); + mat->AddProperty( &op,1, AI_MATKEY_TEXOP_LIGHTMAP(0)); + } + + return mat; + } + default: + + // GCC complains here ... + break; + } + }*/ + } + ASSIMP_LOG_ERROR("IRRMESH: Unexpected end of file. Material is not complete"); + + return mat; +} + +#endif // !(defined(ASSIMP_BUILD_NO_IRR_IMPORTER) && defined(ASSIMP_BUILD_NO_IRRMESH_IMPORTER)) |