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Diffstat (limited to 'src/3rdparty/assimp/code/AMFImporter_Material.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/AMFImporter_Material.cpp | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/src/3rdparty/assimp/code/AMFImporter_Material.cpp b/src/3rdparty/assimp/code/AMFImporter_Material.cpp new file mode 100644 index 000000000..d15099fac --- /dev/null +++ b/src/3rdparty/assimp/code/AMFImporter_Material.cpp @@ -0,0 +1,310 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (assimp) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 AMFImporter_Material.cpp +/// \brief Parsing data from material nodes. +/// \date 2016 +/// \author smal.root@gmail.com + +#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER + +#include "AMFImporter.hpp" +#include "AMFImporter_Macro.hpp" + +namespace Assimp +{ + +// <color +// profile="" - The ICC color space used to interpret the three color channels <r>, <g> and <b>. +// > +// </color> +// A color definition. +// Multi elements - No. +// Parent element - <material>, <object>, <volume>, <vertex>, <triangle>. +// +// "profile" can be one of "sRGB", "AdobeRGB", "Wide-Gamut-RGB", "CIERGB", "CIELAB", or "CIEXYZ". +// Children elements: +// <r>, <g>, <b>, <a> +// Multi elements - No. +// Red, Greed, Blue and Alpha (transparency) component of a color in sRGB space, values ranging from 0 to 1. The +// values can be specified as constants, or as a formula depending on the coordinates. +void AMFImporter::ParseNode_Color() +{ +std::string profile; +CAMFImporter_NodeElement* ne; + + // Read attributes for node <color>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("profile", profile, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // create new color object. + ne = new CAMFImporter_NodeElement_Color(mNodeElement_Cur); + + CAMFImporter_NodeElement_Color& als = *((CAMFImporter_NodeElement_Color*)ne);// alias for convenience + + als.Profile = profile; + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool read_flag[4] = { false, false, false, false }; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("color"); + MACRO_NODECHECK_READCOMP_F("r", read_flag[0], als.Color.r); + MACRO_NODECHECK_READCOMP_F("g", read_flag[1], als.Color.g); + MACRO_NODECHECK_READCOMP_F("b", read_flag[2], als.Color.b); + MACRO_NODECHECK_READCOMP_F("a", read_flag[3], als.Color.a); + MACRO_NODECHECK_LOOPEND("color"); + ParseHelper_Node_Exit(); + // check that all components was defined + if(!(read_flag[0] && read_flag[1] && read_flag[2])) throw DeadlyImportError("Not all color components are defined."); + // check if <a> is absent. Then manualy add "a == 1". + if(!read_flag[3]) als.Color.a = 1; + + }// if(!mReader->isEmptyElement()) + else + { + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + }// if(!mReader->isEmptyElement()) else + + als.Composed = false; + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +// <material +// id="" - A unique material id. material ID "0" is reserved to denote no material (void) or sacrificial material. +// > +// </material> +// An available material. +// Multi elements - Yes. +// Parent element - <amf>. +void AMFImporter::ParseNode_Material() +{ +std::string id; +CAMFImporter_NodeElement* ne; + + // Read attributes for node <color>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("id", id, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // create new object. + ne = new CAMFImporter_NodeElement_Material(mNodeElement_Cur); + // and assign read data + ((CAMFImporter_NodeElement_Material*)ne)->ID = id; + // Check for child nodes + if(!mReader->isEmptyElement()) + { + bool col_read = false; + + ParseHelper_Node_Enter(ne); + MACRO_NODECHECK_LOOPBEGIN("material"); + if(XML_CheckNode_NameEqual("color")) + { + // Check if data already defined. + if(col_read) Throw_MoreThanOnceDefined("color", "Only one color can be defined for <material>."); + // read data and set flag about it + ParseNode_Color(); + col_read = true; + + continue; + } + + if(XML_CheckNode_NameEqual("metadata")) { ParseNode_Metadata(); continue; } + MACRO_NODECHECK_LOOPEND("material"); + ParseHelper_Node_Exit(); + }// if(!mReader->isEmptyElement()) + else + { + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + }// if(!mReader->isEmptyElement()) else + + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +// <texture +// id="" - Assigns a unique texture id for the new texture. +// width="" - Width (horizontal size, x) of the texture, in pixels. +// height="" - Height (lateral size, y) of the texture, in pixels. +// depth="" - Depth (vertical size, z) of the texture, in pixels. +// type="" - Encoding of the data in the texture. Currently allowed values are "grayscale" only. In grayscale mode, each pixel is represented by one byte +// in the range of 0-255. When the texture is referenced using the tex function, these values are converted into a single floating point number in the +// range of 0-1 (see Annex 2). A full color graphics will typically require three textures, one for each of the color channels. A graphic involving +// transparency may require a fourth channel. +// tiled="" - If true then texture repeated when UV-coordinates is greater than 1. +// > +// </triangle> +// Specifies an texture data to be used as a map. Lists a sequence of Base64 values specifying values for pixels from left to right then top to bottom, +// then layer by layer. +// Multi elements - Yes. +// Parent element - <amf>. +void AMFImporter::ParseNode_Texture() +{ +std::string id; +uint32_t width = 0; +uint32_t height = 0; +uint32_t depth = 1; +std::string type; +bool tiled = false; +std::string enc64_data; +CAMFImporter_NodeElement* ne; + + // Read attributes for node <color>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("id", id, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("width", width, XML_ReadNode_GetAttrVal_AsU32); + MACRO_ATTRREAD_CHECK_RET("height", height, XML_ReadNode_GetAttrVal_AsU32); + MACRO_ATTRREAD_CHECK_RET("depth", depth, XML_ReadNode_GetAttrVal_AsU32); + MACRO_ATTRREAD_CHECK_RET("type", type, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("tiled", tiled, XML_ReadNode_GetAttrVal_AsBool); + MACRO_ATTRREAD_LOOPEND; + + // create new texture object. + ne = new CAMFImporter_NodeElement_Texture(mNodeElement_Cur); + + CAMFImporter_NodeElement_Texture& als = *((CAMFImporter_NodeElement_Texture*)ne);// alias for convenience + + // Check for child nodes + if(!mReader->isEmptyElement()) XML_ReadNode_GetVal_AsString(enc64_data); + + // check that all components was defined + if(id.empty()) throw DeadlyImportError("ID for texture must be defined."); + if(width < 1) Throw_IncorrectAttrValue("width"); + if(height < 1) Throw_IncorrectAttrValue("height"); + if(depth < 1) Throw_IncorrectAttrValue("depth"); + if(type != "grayscale") Throw_IncorrectAttrValue("type"); + if(enc64_data.empty()) throw DeadlyImportError("Texture data not defined."); + // copy data + als.ID = id; + als.Width = width; + als.Height = height; + als.Depth = depth; + als.Tiled = tiled; + ParseHelper_Decode_Base64(enc64_data, als.Data); + // check data size + if((width * height * depth) != als.Data.size()) throw DeadlyImportError("Texture has incorrect data size."); + + mNodeElement_Cur->Child.push_back(ne);// Add element to child list of current element + mNodeElement_List.push_back(ne);// and to node element list because its a new object in graph. +} + +// <texmap +// rtexid="" - Texture ID for red color component. +// gtexid="" - Texture ID for green color component. +// btexid="" - Texture ID for blue color component. +// atexid="" - Texture ID for alpha color component. Optional. +// > +// </texmap>, old name: <map> +// Specifies texture coordinates for triangle. +// Multi elements - No. +// Parent element - <triangle>. +// Children elements: +// <utex1>, <utex2>, <utex3>, <vtex1>, <vtex2>, <vtex3>. Old name: <u1>, <u2>, <u3>, <v1>, <v2>, <v3>. +// Multi elements - No. +// Texture coordinates for every vertex of triangle. +void AMFImporter::ParseNode_TexMap(const bool pUseOldName) +{ +std::string rtexid, gtexid, btexid, atexid; +CAMFImporter_NodeElement* ne; + + // Read attributes for node <color>. + MACRO_ATTRREAD_LOOPBEG; + MACRO_ATTRREAD_CHECK_RET("rtexid", rtexid, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("gtexid", gtexid, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("btexid", btexid, mReader->getAttributeValue); + MACRO_ATTRREAD_CHECK_RET("atexid", atexid, mReader->getAttributeValue); + MACRO_ATTRREAD_LOOPEND; + + // create new texture coordinates object. + ne = new CAMFImporter_NodeElement_TexMap(mNodeElement_Cur); + + CAMFImporter_NodeElement_TexMap& als = *((CAMFImporter_NodeElement_TexMap*)ne);// alias for convenience + // check data + if(rtexid.empty() && gtexid.empty() && btexid.empty()) throw DeadlyImportError("ParseNode_TexMap. At least one texture ID must be defined."); + // Check for children nodes + XML_CheckNode_MustHaveChildren(); + // read children nodes + bool read_flag[6] = { false, false, false, false, false, false }; + + ParseHelper_Node_Enter(ne); + if(!pUseOldName) + { + MACRO_NODECHECK_LOOPBEGIN("texmap"); + MACRO_NODECHECK_READCOMP_F("utex1", read_flag[0], als.TextureCoordinate[0].x); + MACRO_NODECHECK_READCOMP_F("utex2", read_flag[1], als.TextureCoordinate[1].x); + MACRO_NODECHECK_READCOMP_F("utex3", read_flag[2], als.TextureCoordinate[2].x); + MACRO_NODECHECK_READCOMP_F("vtex1", read_flag[3], als.TextureCoordinate[0].y); + MACRO_NODECHECK_READCOMP_F("vtex2", read_flag[4], als.TextureCoordinate[1].y); + MACRO_NODECHECK_READCOMP_F("vtex3", read_flag[5], als.TextureCoordinate[2].y); + MACRO_NODECHECK_LOOPEND("texmap"); + } + else + { + MACRO_NODECHECK_LOOPBEGIN("map"); + MACRO_NODECHECK_READCOMP_F("u1", read_flag[0], als.TextureCoordinate[0].x); + MACRO_NODECHECK_READCOMP_F("u2", read_flag[1], als.TextureCoordinate[1].x); + MACRO_NODECHECK_READCOMP_F("u3", read_flag[2], als.TextureCoordinate[2].x); + MACRO_NODECHECK_READCOMP_F("v1", read_flag[3], als.TextureCoordinate[0].y); + MACRO_NODECHECK_READCOMP_F("v2", read_flag[4], als.TextureCoordinate[1].y); + MACRO_NODECHECK_READCOMP_F("v3", read_flag[5], als.TextureCoordinate[2].y); + MACRO_NODECHECK_LOOPEND("map"); + }// if(!pUseOldName) else + + ParseHelper_Node_Exit(); + + // check that all components was defined + if(!(read_flag[0] && read_flag[1] && read_flag[2] && read_flag[3] && read_flag[4] && read_flag[5])) + throw DeadlyImportError("Not all texture coordinates are defined."); + + // copy attributes data + als.TextureID_R = rtexid; + als.TextureID_G = gtexid; + als.TextureID_B = btexid; + als.TextureID_A = atexid; + + mNodeElement_List.push_back(ne);// add to node element list because its a new object in graph. +} + +}// namespace Assimp + +#endif // !ASSIMP_BUILD_NO_AMF_IMPORTER |