1116 lines
44 KiB
C++
1116 lines
44 KiB
C++
#include <limits>
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#include <string.h>
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#include <map>
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#include <string>
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#include <expat.h>
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#include <boost/nowide/cstdio.hpp>
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#include "../libslic3r.h"
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#include "../Model.hpp"
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#include "../GCode.hpp"
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#include "../PrintConfig.hpp"
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#include "../Utils.hpp"
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#include "AMF.hpp"
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#include <boost/filesystem/operations.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/nowide/fstream.hpp>
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#include "miniz_extension.hpp"
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#if 0
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// Enable debugging and assert in this file.
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#define DEBUG
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#define _DEBUG
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#undef NDEBUG
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#endif
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#include <assert.h>
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// VERSION NUMBERS
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// 0 : .amf, .amf.xml and .zip.amf files saved by older slic3r. No version definition in them.
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// 1 : Introduction of amf versioning. No other change in data saved into amf files.
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// 2 : Added z component of offset
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// Added x and y components of rotation
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// Added x, y and z components of scale
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// Added x, y and z components of mirror
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const unsigned int VERSION_AMF = 2;
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const char* SLIC3RPE_AMF_VERSION = "slic3rpe_amf_version";
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const char* SLIC3R_CONFIG_TYPE = "slic3rpe_config";
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namespace Slic3r
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{
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struct AMFParserContext
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{
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AMFParserContext(XML_Parser parser, DynamicPrintConfig* config, Model* model) :
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m_version(0),
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m_parser(parser),
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m_model(*model),
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m_object(nullptr),
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m_volume(nullptr),
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m_material(nullptr),
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m_instance(nullptr),
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m_config(config)
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{
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m_path.reserve(12);
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}
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void stop()
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{
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XML_StopParser(m_parser, 0);
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}
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void startElement(const char *name, const char **atts);
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void endElement(const char *name);
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void endDocument();
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void characters(const XML_Char *s, int len);
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static void XMLCALL startElement(void *userData, const char *name, const char **atts)
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{
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AMFParserContext *ctx = (AMFParserContext*)userData;
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ctx->startElement(name, atts);
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}
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static void XMLCALL endElement(void *userData, const char *name)
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{
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AMFParserContext *ctx = (AMFParserContext*)userData;
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ctx->endElement(name);
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}
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/* s is not 0 terminated. */
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static void XMLCALL characters(void *userData, const XML_Char *s, int len)
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{
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AMFParserContext *ctx = (AMFParserContext*)userData;
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ctx->characters(s, len);
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}
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static const char* get_attribute(const char **atts, const char *id) {
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if (atts == nullptr)
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return nullptr;
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while (*atts != nullptr) {
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if (strcmp(*(atts ++), id) == 0)
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return *atts;
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++ atts;
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}
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return nullptr;
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}
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enum AMFNodeType {
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NODE_TYPE_INVALID = 0,
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NODE_TYPE_UNKNOWN,
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NODE_TYPE_AMF, // amf
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// amf/metadata
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NODE_TYPE_MATERIAL, // amf/material
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// amf/material/metadata
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NODE_TYPE_OBJECT, // amf/object
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// amf/object/metadata
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NODE_TYPE_LAYER_CONFIG, // amf/object/layer_config_ranges
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NODE_TYPE_RANGE, // amf/object/layer_config_ranges/range
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// amf/object/layer_config_ranges/range/metadata
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NODE_TYPE_MESH, // amf/object/mesh
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NODE_TYPE_VERTICES, // amf/object/mesh/vertices
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NODE_TYPE_VERTEX, // amf/object/mesh/vertices/vertex
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NODE_TYPE_COORDINATES, // amf/object/mesh/vertices/vertex/coordinates
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NODE_TYPE_COORDINATE_X, // amf/object/mesh/vertices/vertex/coordinates/x
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NODE_TYPE_COORDINATE_Y, // amf/object/mesh/vertices/vertex/coordinates/y
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NODE_TYPE_COORDINATE_Z, // amf/object/mesh/vertices/vertex/coordinates/z
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NODE_TYPE_VOLUME, // amf/object/mesh/volume
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// amf/object/mesh/volume/metadata
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NODE_TYPE_TRIANGLE, // amf/object/mesh/volume/triangle
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NODE_TYPE_VERTEX1, // amf/object/mesh/volume/triangle/v1
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NODE_TYPE_VERTEX2, // amf/object/mesh/volume/triangle/v2
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NODE_TYPE_VERTEX3, // amf/object/mesh/volume/triangle/v3
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NODE_TYPE_CONSTELLATION, // amf/constellation
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NODE_TYPE_INSTANCE, // amf/constellation/instance
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NODE_TYPE_DELTAX, // amf/constellation/instance/deltax
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NODE_TYPE_DELTAY, // amf/constellation/instance/deltay
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NODE_TYPE_DELTAZ, // amf/constellation/instance/deltaz
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NODE_TYPE_RX, // amf/constellation/instance/rx
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NODE_TYPE_RY, // amf/constellation/instance/ry
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NODE_TYPE_RZ, // amf/constellation/instance/rz
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NODE_TYPE_SCALE, // amf/constellation/instance/scale
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NODE_TYPE_SCALEX, // amf/constellation/instance/scalex
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NODE_TYPE_SCALEY, // amf/constellation/instance/scaley
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NODE_TYPE_SCALEZ, // amf/constellation/instance/scalez
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NODE_TYPE_MIRRORX, // amf/constellation/instance/mirrorx
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NODE_TYPE_MIRRORY, // amf/constellation/instance/mirrory
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NODE_TYPE_MIRRORZ, // amf/constellation/instance/mirrorz
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NODE_TYPE_PRINTABLE, // amf/constellation/instance/mirrorz
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NODE_TYPE_METADATA, // anywhere under amf/*/metadata
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};
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struct Instance {
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Instance()
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: deltax_set(false), deltay_set(false), deltaz_set(false)
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, rx_set(false), ry_set(false), rz_set(false)
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, scalex_set(false), scaley_set(false), scalez_set(false)
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, mirrorx_set(false), mirrory_set(false), mirrorz_set(false)
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, printable(true) {}
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// Shift in the X axis.
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float deltax;
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bool deltax_set;
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// Shift in the Y axis.
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float deltay;
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bool deltay_set;
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// Shift in the Z axis.
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float deltaz;
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bool deltaz_set;
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// Rotation around the X axis.
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float rx;
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bool rx_set;
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// Rotation around the Y axis.
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float ry;
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bool ry_set;
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// Rotation around the Z axis.
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float rz;
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bool rz_set;
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// Scaling factors
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float scalex;
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bool scalex_set;
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float scaley;
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bool scaley_set;
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float scalez;
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bool scalez_set;
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// Mirroring factors
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float mirrorx;
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bool mirrorx_set;
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float mirrory;
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bool mirrory_set;
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float mirrorz;
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bool mirrorz_set;
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// printable property
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bool printable;
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bool anything_set() const { return deltax_set || deltay_set || deltaz_set ||
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rx_set || ry_set || rz_set ||
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scalex_set || scaley_set || scalez_set ||
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mirrorx_set || mirrory_set || mirrorz_set; }
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};
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struct Object {
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Object() : idx(-1) {}
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int idx;
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std::vector<Instance> instances;
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};
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// Version of the amf file
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unsigned int m_version;
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// Current Expat XML parser instance.
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XML_Parser m_parser;
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// Model to receive objects extracted from an AMF file.
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Model &m_model;
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// Current parsing path in the XML file.
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std::vector<AMFNodeType> m_path;
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// Current object allocated for an amf/object XML subtree.
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ModelObject *m_object;
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// Map from obect name to object idx & instances.
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std::map<std::string, Object> m_object_instances_map;
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// Vertices parsed for the current m_object.
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std::vector<float> m_object_vertices;
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// Current volume allocated for an amf/object/mesh/volume subtree.
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ModelVolume *m_volume;
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// Faces collected for the current m_volume.
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std::vector<int> m_volume_facets;
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// Current material allocated for an amf/metadata subtree.
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ModelMaterial *m_material;
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// Current instance allocated for an amf/constellation/instance subtree.
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Instance *m_instance;
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// Generic string buffer for vertices, face indices, metadata etc.
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std::string m_value[3];
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// Pointer to config to update if config data are stored inside the amf file
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DynamicPrintConfig *m_config;
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private:
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AMFParserContext& operator=(AMFParserContext&);
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};
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void AMFParserContext::startElement(const char *name, const char **atts)
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{
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AMFNodeType node_type_new = NODE_TYPE_UNKNOWN;
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switch (m_path.size()) {
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case 0:
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// An AMF file must start with an <amf> tag.
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node_type_new = NODE_TYPE_AMF;
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if (strcmp(name, "amf") != 0)
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this->stop();
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break;
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case 1:
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if (strcmp(name, "metadata") == 0) {
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const char *type = get_attribute(atts, "type");
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if (type != nullptr) {
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m_value[0] = type;
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node_type_new = NODE_TYPE_METADATA;
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}
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} else if (strcmp(name, "material") == 0) {
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const char *material_id = get_attribute(atts, "id");
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m_material = m_model.add_material((material_id == nullptr) ? "_" : material_id);
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node_type_new = NODE_TYPE_MATERIAL;
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} else if (strcmp(name, "object") == 0) {
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const char *object_id = get_attribute(atts, "id");
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if (object_id == nullptr)
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this->stop();
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else {
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assert(m_object_vertices.empty());
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m_object = m_model.add_object();
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m_object_instances_map[object_id].idx = int(m_model.objects.size())-1;
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node_type_new = NODE_TYPE_OBJECT;
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}
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} else if (strcmp(name, "constellation") == 0) {
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node_type_new = NODE_TYPE_CONSTELLATION;
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}
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break;
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case 2:
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if (strcmp(name, "metadata") == 0) {
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if (m_path[1] == NODE_TYPE_MATERIAL || m_path[1] == NODE_TYPE_OBJECT) {
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m_value[0] = get_attribute(atts, "type");
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node_type_new = NODE_TYPE_METADATA;
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}
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} else if (strcmp(name, "layer_config_ranges") == 0 && m_path[1] == NODE_TYPE_OBJECT)
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node_type_new = NODE_TYPE_LAYER_CONFIG;
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else if (strcmp(name, "mesh") == 0) {
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if (m_path[1] == NODE_TYPE_OBJECT)
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node_type_new = NODE_TYPE_MESH;
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} else if (strcmp(name, "instance") == 0) {
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if (m_path[1] == NODE_TYPE_CONSTELLATION) {
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const char *object_id = get_attribute(atts, "objectid");
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if (object_id == nullptr)
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this->stop();
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else {
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m_object_instances_map[object_id].instances.push_back(AMFParserContext::Instance());
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m_instance = &m_object_instances_map[object_id].instances.back();
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node_type_new = NODE_TYPE_INSTANCE;
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}
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}
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else
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this->stop();
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}
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break;
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case 3:
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if (m_path[2] == NODE_TYPE_MESH) {
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assert(m_object);
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if (strcmp(name, "vertices") == 0)
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node_type_new = NODE_TYPE_VERTICES;
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else if (strcmp(name, "volume") == 0) {
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assert(! m_volume);
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m_volume = m_object->add_volume(TriangleMesh());
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node_type_new = NODE_TYPE_VOLUME;
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}
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} else if (m_path[2] == NODE_TYPE_INSTANCE) {
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assert(m_instance);
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if (strcmp(name, "deltax") == 0)
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node_type_new = NODE_TYPE_DELTAX;
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else if (strcmp(name, "deltay") == 0)
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node_type_new = NODE_TYPE_DELTAY;
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else if (strcmp(name, "deltaz") == 0)
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node_type_new = NODE_TYPE_DELTAZ;
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else if (strcmp(name, "rx") == 0)
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node_type_new = NODE_TYPE_RX;
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else if (strcmp(name, "ry") == 0)
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node_type_new = NODE_TYPE_RY;
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else if (strcmp(name, "rz") == 0)
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node_type_new = NODE_TYPE_RZ;
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else if (strcmp(name, "scalex") == 0)
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node_type_new = NODE_TYPE_SCALEX;
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else if (strcmp(name, "scaley") == 0)
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node_type_new = NODE_TYPE_SCALEY;
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else if (strcmp(name, "scalez") == 0)
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node_type_new = NODE_TYPE_SCALEZ;
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else if (strcmp(name, "scale") == 0)
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node_type_new = NODE_TYPE_SCALE;
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else if (strcmp(name, "mirrorx") == 0)
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node_type_new = NODE_TYPE_MIRRORX;
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else if (strcmp(name, "mirrory") == 0)
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node_type_new = NODE_TYPE_MIRRORY;
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else if (strcmp(name, "mirrorz") == 0)
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node_type_new = NODE_TYPE_MIRRORZ;
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else if (strcmp(name, "printable") == 0)
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node_type_new = NODE_TYPE_PRINTABLE;
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}
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else if (m_path[2] == NODE_TYPE_LAYER_CONFIG && strcmp(name, "range") == 0) {
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assert(m_object);
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node_type_new = NODE_TYPE_RANGE;
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}
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break;
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case 4:
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if (m_path[3] == NODE_TYPE_VERTICES) {
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if (strcmp(name, "vertex") == 0)
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node_type_new = NODE_TYPE_VERTEX;
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} else if (m_path[3] == NODE_TYPE_VOLUME) {
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if (strcmp(name, "metadata") == 0) {
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const char *type = get_attribute(atts, "type");
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if (type == nullptr)
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this->stop();
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else {
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m_value[0] = type;
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node_type_new = NODE_TYPE_METADATA;
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}
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} else if (strcmp(name, "triangle") == 0)
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node_type_new = NODE_TYPE_TRIANGLE;
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}
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else if (m_path[3] == NODE_TYPE_RANGE && strcmp(name, "metadata") == 0) {
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m_value[0] = get_attribute(atts, "type");
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node_type_new = NODE_TYPE_METADATA;
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}
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break;
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case 5:
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if (strcmp(name, "coordinates") == 0) {
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if (m_path[4] == NODE_TYPE_VERTEX) {
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node_type_new = NODE_TYPE_COORDINATES;
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} else
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this->stop();
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} else if (name[0] == 'v' && name[1] >= '1' && name[1] <= '3' && name[2] == 0) {
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if (m_path[4] == NODE_TYPE_TRIANGLE) {
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node_type_new = AMFNodeType(NODE_TYPE_VERTEX1 + name[1] - '1');
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} else
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this->stop();
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}
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break;
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case 6:
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if ((name[0] == 'x' || name[0] == 'y' || name[0] == 'z') && name[1] == 0) {
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if (m_path[5] == NODE_TYPE_COORDINATES)
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node_type_new = AMFNodeType(NODE_TYPE_COORDINATE_X + name[0] - 'x');
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else
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this->stop();
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}
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break;
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default:
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break;
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}
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m_path.push_back(node_type_new);
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}
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void AMFParserContext::characters(const XML_Char *s, int len)
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{
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if (m_path.back() == NODE_TYPE_METADATA) {
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m_value[1].append(s, len);
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}
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else
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{
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switch (m_path.size()) {
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case 4:
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if (m_path.back() == NODE_TYPE_DELTAX ||
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m_path.back() == NODE_TYPE_DELTAY ||
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m_path.back() == NODE_TYPE_DELTAZ ||
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m_path.back() == NODE_TYPE_RX ||
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m_path.back() == NODE_TYPE_RY ||
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m_path.back() == NODE_TYPE_RZ ||
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m_path.back() == NODE_TYPE_SCALEX ||
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m_path.back() == NODE_TYPE_SCALEY ||
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m_path.back() == NODE_TYPE_SCALEZ ||
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m_path.back() == NODE_TYPE_SCALE ||
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m_path.back() == NODE_TYPE_MIRRORX ||
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m_path.back() == NODE_TYPE_MIRRORY ||
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m_path.back() == NODE_TYPE_MIRRORZ ||
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m_path.back() == NODE_TYPE_PRINTABLE)
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m_value[0].append(s, len);
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break;
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case 6:
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switch (m_path.back()) {
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case NODE_TYPE_VERTEX1: m_value[0].append(s, len); break;
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case NODE_TYPE_VERTEX2: m_value[1].append(s, len); break;
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case NODE_TYPE_VERTEX3: m_value[2].append(s, len); break;
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default: break;
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}
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case 7:
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switch (m_path.back()) {
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case NODE_TYPE_COORDINATE_X: m_value[0].append(s, len); break;
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case NODE_TYPE_COORDINATE_Y: m_value[1].append(s, len); break;
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case NODE_TYPE_COORDINATE_Z: m_value[2].append(s, len); break;
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default: break;
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}
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default:
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break;
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}
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}
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}
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void AMFParserContext::endElement(const char * /* name */)
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{
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switch (m_path.back()) {
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// Constellation transformation:
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case NODE_TYPE_DELTAX:
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assert(m_instance);
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m_instance->deltax = float(atof(m_value[0].c_str()));
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m_instance->deltax_set = true;
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m_value[0].clear();
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break;
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case NODE_TYPE_DELTAY:
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assert(m_instance);
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m_instance->deltay = float(atof(m_value[0].c_str()));
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m_instance->deltay_set = true;
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m_value[0].clear();
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break;
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case NODE_TYPE_DELTAZ:
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assert(m_instance);
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m_instance->deltaz = float(atof(m_value[0].c_str()));
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m_instance->deltaz_set = true;
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m_value[0].clear();
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break;
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|
case NODE_TYPE_RX:
|
|
assert(m_instance);
|
|
m_instance->rx = float(atof(m_value[0].c_str()));
|
|
m_instance->rx_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_RY:
|
|
assert(m_instance);
|
|
m_instance->ry = float(atof(m_value[0].c_str()));
|
|
m_instance->ry_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_RZ:
|
|
assert(m_instance);
|
|
m_instance->rz = float(atof(m_value[0].c_str()));
|
|
m_instance->rz_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_SCALE:
|
|
assert(m_instance);
|
|
m_instance->scalex = float(atof(m_value[0].c_str()));
|
|
m_instance->scalex_set = true;
|
|
m_instance->scaley = float(atof(m_value[0].c_str()));
|
|
m_instance->scaley_set = true;
|
|
m_instance->scalez = float(atof(m_value[0].c_str()));
|
|
m_instance->scalez_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_SCALEX:
|
|
assert(m_instance);
|
|
m_instance->scalex = float(atof(m_value[0].c_str()));
|
|
m_instance->scalex_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_SCALEY:
|
|
assert(m_instance);
|
|
m_instance->scaley = float(atof(m_value[0].c_str()));
|
|
m_instance->scaley_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_SCALEZ:
|
|
assert(m_instance);
|
|
m_instance->scalez = float(atof(m_value[0].c_str()));
|
|
m_instance->scalez_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_MIRRORX:
|
|
assert(m_instance);
|
|
m_instance->mirrorx = float(atof(m_value[0].c_str()));
|
|
m_instance->mirrorx_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_MIRRORY:
|
|
assert(m_instance);
|
|
m_instance->mirrory = float(atof(m_value[0].c_str()));
|
|
m_instance->mirrory_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_MIRRORZ:
|
|
assert(m_instance);
|
|
m_instance->mirrorz = float(atof(m_value[0].c_str()));
|
|
m_instance->mirrorz_set = true;
|
|
m_value[0].clear();
|
|
break;
|
|
case NODE_TYPE_PRINTABLE:
|
|
assert(m_instance);
|
|
m_instance->printable = bool(atoi(m_value[0].c_str()));
|
|
m_value[0].clear();
|
|
break;
|
|
|
|
// Object vertices:
|
|
case NODE_TYPE_VERTEX:
|
|
assert(m_object);
|
|
// Parse the vertex data
|
|
m_object_vertices.emplace_back((float)atof(m_value[0].c_str()));
|
|
m_object_vertices.emplace_back((float)atof(m_value[1].c_str()));
|
|
m_object_vertices.emplace_back((float)atof(m_value[2].c_str()));
|
|
m_value[0].clear();
|
|
m_value[1].clear();
|
|
m_value[2].clear();
|
|
break;
|
|
|
|
// Faces of the current volume:
|
|
case NODE_TYPE_TRIANGLE:
|
|
assert(m_object && m_volume);
|
|
m_volume_facets.push_back(atoi(m_value[0].c_str()));
|
|
m_volume_facets.push_back(atoi(m_value[1].c_str()));
|
|
m_volume_facets.push_back(atoi(m_value[2].c_str()));
|
|
m_value[0].clear();
|
|
m_value[1].clear();
|
|
m_value[2].clear();
|
|
break;
|
|
|
|
// Closing the current volume. Create an STL from m_volume_facets pointing to m_object_vertices.
|
|
case NODE_TYPE_VOLUME:
|
|
{
|
|
assert(m_object && m_volume);
|
|
TriangleMesh mesh;
|
|
stl_file &stl = mesh.stl;
|
|
stl.stats.type = inmemory;
|
|
stl.stats.number_of_facets = int(m_volume_facets.size() / 3);
|
|
stl.stats.original_num_facets = stl.stats.number_of_facets;
|
|
stl_allocate(&stl);
|
|
for (size_t i = 0; i < m_volume_facets.size();) {
|
|
stl_facet &facet = stl.facet_start[i/3];
|
|
for (unsigned int v = 0; v < 3; ++ v)
|
|
memcpy(facet.vertex[v].data(), &m_object_vertices[m_volume_facets[i ++] * 3], 3 * sizeof(float));
|
|
}
|
|
stl_get_size(&stl);
|
|
mesh.repair();
|
|
m_volume->set_mesh(std::move(mesh));
|
|
m_volume->center_geometry_after_creation();
|
|
m_volume->calculate_convex_hull();
|
|
m_volume_facets.clear();
|
|
m_volume = nullptr;
|
|
break;
|
|
}
|
|
|
|
case NODE_TYPE_OBJECT:
|
|
assert(m_object);
|
|
m_object_vertices.clear();
|
|
m_object = nullptr;
|
|
break;
|
|
|
|
case NODE_TYPE_MATERIAL:
|
|
assert(m_material);
|
|
m_material = nullptr;
|
|
break;
|
|
|
|
case NODE_TYPE_INSTANCE:
|
|
assert(m_instance);
|
|
m_instance = nullptr;
|
|
break;
|
|
|
|
case NODE_TYPE_METADATA:
|
|
if ((m_config != nullptr) && strncmp(m_value[0].c_str(), SLIC3R_CONFIG_TYPE, strlen(SLIC3R_CONFIG_TYPE)) == 0)
|
|
m_config->load_from_gcode_string(m_value[1].c_str());
|
|
else if (strncmp(m_value[0].c_str(), "slic3r.", 7) == 0) {
|
|
const char *opt_key = m_value[0].c_str() + 7;
|
|
if (print_config_def.options.find(opt_key) != print_config_def.options.end()) {
|
|
DynamicPrintConfig *config = nullptr;
|
|
if (m_path.size() == 3) {
|
|
if (m_path[1] == NODE_TYPE_MATERIAL && m_material)
|
|
config = &m_material->config;
|
|
else if (m_path[1] == NODE_TYPE_OBJECT && m_object)
|
|
config = &m_object->config;
|
|
}
|
|
else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_VOLUME && m_volume)
|
|
config = &m_volume->config;
|
|
else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_RANGE && m_object && !m_object->layer_config_ranges.empty()) {
|
|
auto it = --m_object->layer_config_ranges.end();
|
|
config = &it->second;
|
|
}
|
|
if (config)
|
|
config->set_deserialize(opt_key, m_value[1]);
|
|
} else if (m_path.size() == 3 && m_path[1] == NODE_TYPE_OBJECT && m_object && strcmp(opt_key, "layer_height_profile") == 0) {
|
|
// Parse object's layer height profile, a semicolon separated list of floats.
|
|
char *p = const_cast<char*>(m_value[1].c_str());
|
|
for (;;) {
|
|
char *end = strchr(p, ';');
|
|
if (end != nullptr)
|
|
*end = 0;
|
|
m_object->layer_height_profile.push_back(float(atof(p)));
|
|
if (end == nullptr)
|
|
break;
|
|
p = end + 1;
|
|
}
|
|
}
|
|
else if (m_path.size() == 3 && m_path[1] == NODE_TYPE_OBJECT && m_object && strcmp(opt_key, "sla_support_points") == 0) {
|
|
// Parse object's layer height profile, a semicolon separated list of floats.
|
|
unsigned char coord_idx = 0;
|
|
Eigen::Matrix<float, 5, 1, Eigen::DontAlign> point(Eigen::Matrix<float, 5, 1, Eigen::DontAlign>::Zero());
|
|
char *p = const_cast<char*>(m_value[1].c_str());
|
|
for (;;) {
|
|
char *end = strchr(p, ';');
|
|
if (end != nullptr)
|
|
*end = 0;
|
|
|
|
point(coord_idx) = float(atof(p));
|
|
if (++coord_idx == 5) {
|
|
m_object->sla_support_points.push_back(sla::SupportPoint(point));
|
|
coord_idx = 0;
|
|
}
|
|
if (end == nullptr)
|
|
break;
|
|
p = end + 1;
|
|
}
|
|
m_object->sla_points_status = sla::PointsStatus::UserModified;
|
|
}
|
|
else if (m_path.size() == 5 && m_path[1] == NODE_TYPE_OBJECT && m_path[3] == NODE_TYPE_RANGE &&
|
|
m_object && strcmp(opt_key, "layer_height_range") == 0) {
|
|
// Parse object's layer_height_range, a semicolon separated doubles.
|
|
char* p = const_cast<char*>(m_value[1].c_str());
|
|
char* end = strchr(p, ';');
|
|
*end = 0;
|
|
|
|
const t_layer_height_range range = {double(atof(p)), double(atof(end + 1))};
|
|
m_object->layer_config_ranges[range];
|
|
}
|
|
else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_VOLUME && m_volume) {
|
|
if (strcmp(opt_key, "modifier") == 0) {
|
|
// Is this volume a modifier volume?
|
|
// "modifier" flag comes first in the XML file, so it may be later overwritten by the "type" flag.
|
|
m_volume->set_type((atoi(m_value[1].c_str()) == 1) ? ModelVolumeType::PARAMETER_MODIFIER : ModelVolumeType::MODEL_PART);
|
|
} else if (strcmp(opt_key, "volume_type") == 0) {
|
|
m_volume->set_type(ModelVolume::type_from_string(m_value[1]));
|
|
}
|
|
}
|
|
} else if (m_path.size() == 3) {
|
|
if (m_path[1] == NODE_TYPE_MATERIAL) {
|
|
if (m_material)
|
|
m_material->attributes[m_value[0]] = m_value[1];
|
|
} else if (m_path[1] == NODE_TYPE_OBJECT) {
|
|
if (m_object && m_value[0] == "name")
|
|
m_object->name = std::move(m_value[1]);
|
|
}
|
|
} else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_VOLUME) {
|
|
if (m_volume && m_value[0] == "name")
|
|
m_volume->name = std::move(m_value[1]);
|
|
}
|
|
else if (strncmp(m_value[0].c_str(), SLIC3RPE_AMF_VERSION, strlen(SLIC3RPE_AMF_VERSION)) == 0) {
|
|
m_version = (unsigned int)atoi(m_value[1].c_str());
|
|
}
|
|
|
|
m_value[0].clear();
|
|
m_value[1].clear();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
m_path.pop_back();
|
|
}
|
|
|
|
void AMFParserContext::endDocument()
|
|
{
|
|
for (const auto &object : m_object_instances_map) {
|
|
if (object.second.idx == -1) {
|
|
printf("Undefined object %s referenced in constellation\n", object.first.c_str());
|
|
continue;
|
|
}
|
|
for (const Instance &instance : object.second.instances)
|
|
if (instance.anything_set()) {
|
|
ModelInstance *mi = m_model.objects[object.second.idx]->add_instance();
|
|
mi->set_offset(Vec3d(instance.deltax_set ? (double)instance.deltax : 0.0, instance.deltay_set ? (double)instance.deltay : 0.0, instance.deltaz_set ? (double)instance.deltaz : 0.0));
|
|
mi->set_rotation(Vec3d(instance.rx_set ? (double)instance.rx : 0.0, instance.ry_set ? (double)instance.ry : 0.0, instance.rz_set ? (double)instance.rz : 0.0));
|
|
mi->set_scaling_factor(Vec3d(instance.scalex_set ? (double)instance.scalex : 1.0, instance.scaley_set ? (double)instance.scaley : 1.0, instance.scalez_set ? (double)instance.scalez : 1.0));
|
|
mi->set_mirror(Vec3d(instance.mirrorx_set ? (double)instance.mirrorx : 1.0, instance.mirrory_set ? (double)instance.mirrory : 1.0, instance.mirrorz_set ? (double)instance.mirrorz : 1.0));
|
|
mi->printable = instance.printable;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Load an AMF file into a provided model.
|
|
bool load_amf_file(const char *path, DynamicPrintConfig *config, Model *model)
|
|
{
|
|
if ((path == nullptr) || (model == nullptr))
|
|
return false;
|
|
|
|
XML_Parser parser = XML_ParserCreate(nullptr); // encoding
|
|
if (!parser) {
|
|
printf("Couldn't allocate memory for parser\n");
|
|
return false;
|
|
}
|
|
|
|
FILE *pFile = boost::nowide::fopen(path, "rt");
|
|
if (pFile == nullptr) {
|
|
printf("Cannot open file %s\n", path);
|
|
return false;
|
|
}
|
|
|
|
AMFParserContext ctx(parser, config, model);
|
|
XML_SetUserData(parser, (void*)&ctx);
|
|
XML_SetElementHandler(parser, AMFParserContext::startElement, AMFParserContext::endElement);
|
|
XML_SetCharacterDataHandler(parser, AMFParserContext::characters);
|
|
|
|
char buff[8192];
|
|
bool result = false;
|
|
for (;;) {
|
|
int len = (int)fread(buff, 1, 8192, pFile);
|
|
if (ferror(pFile)) {
|
|
printf("AMF parser: Read error\n");
|
|
break;
|
|
}
|
|
int done = feof(pFile);
|
|
if (XML_Parse(parser, buff, len, done) == XML_STATUS_ERROR) {
|
|
printf("AMF parser: Parse error at line %d:\n%s\n",
|
|
(int)XML_GetCurrentLineNumber(parser),
|
|
XML_ErrorString(XML_GetErrorCode(parser)));
|
|
break;
|
|
}
|
|
if (done) {
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
XML_ParserFree(parser);
|
|
::fclose(pFile);
|
|
|
|
if (result)
|
|
ctx.endDocument();
|
|
|
|
return result;
|
|
}
|
|
|
|
bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_file_stat& stat, DynamicPrintConfig* config, Model* model, bool check_version)
|
|
{
|
|
if (stat.m_uncomp_size == 0)
|
|
{
|
|
printf("Found invalid size\n");
|
|
close_zip_reader(&archive);
|
|
return false;
|
|
}
|
|
|
|
XML_Parser parser = XML_ParserCreate(nullptr); // encoding
|
|
if (!parser) {
|
|
printf("Couldn't allocate memory for parser\n");
|
|
close_zip_reader(&archive);
|
|
return false;
|
|
}
|
|
|
|
AMFParserContext ctx(parser, config, model);
|
|
XML_SetUserData(parser, (void*)&ctx);
|
|
XML_SetElementHandler(parser, AMFParserContext::startElement, AMFParserContext::endElement);
|
|
XML_SetCharacterDataHandler(parser, AMFParserContext::characters);
|
|
|
|
void* parser_buffer = XML_GetBuffer(parser, (int)stat.m_uncomp_size);
|
|
if (parser_buffer == nullptr)
|
|
{
|
|
printf("Unable to create buffer\n");
|
|
close_zip_reader(&archive);
|
|
return false;
|
|
}
|
|
|
|
mz_bool res = mz_zip_reader_extract_file_to_mem(&archive, stat.m_filename, parser_buffer, (size_t)stat.m_uncomp_size, 0);
|
|
if (res == 0)
|
|
{
|
|
printf("Error while reading model data to buffer\n");
|
|
close_zip_reader(&archive);
|
|
return false;
|
|
}
|
|
|
|
if (!XML_ParseBuffer(parser, (int)stat.m_uncomp_size, 1))
|
|
{
|
|
printf("Error (%s) while parsing xml file at line %d\n", XML_ErrorString(XML_GetErrorCode(parser)), (int)XML_GetCurrentLineNumber(parser));
|
|
close_zip_reader(&archive);
|
|
return false;
|
|
}
|
|
|
|
ctx.endDocument();
|
|
|
|
if (check_version && (ctx.m_version > VERSION_AMF))
|
|
{
|
|
std::string msg = "The selected amf file has been saved with a newer version of " + std::string(SLIC3R_APP_NAME) + " and is not compatibile.";
|
|
throw std::runtime_error(msg.c_str());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// Load an AMF archive into a provided model.
|
|
bool load_amf_archive(const char* path, DynamicPrintConfig* config, Model* model, bool check_version)
|
|
{
|
|
if ((path == nullptr) || (model == nullptr))
|
|
return false;
|
|
|
|
mz_zip_archive archive;
|
|
mz_zip_zero_struct(&archive);
|
|
|
|
if (!open_zip_reader(&archive, path))
|
|
{
|
|
printf("Unable to init zip reader\n");
|
|
return false;
|
|
}
|
|
|
|
mz_uint num_entries = mz_zip_reader_get_num_files(&archive);
|
|
|
|
mz_zip_archive_file_stat stat;
|
|
// we first loop the entries to read from the archive the .amf file only, in order to extract the version from it
|
|
for (mz_uint i = 0; i < num_entries; ++i)
|
|
{
|
|
if (mz_zip_reader_file_stat(&archive, i, &stat))
|
|
{
|
|
if (boost::iends_with(stat.m_filename, ".amf"))
|
|
{
|
|
try
|
|
{
|
|
if (!extract_model_from_archive(archive, stat, config, model, check_version))
|
|
{
|
|
close_zip_reader(&archive);
|
|
printf("Archive does not contain a valid model");
|
|
return false;
|
|
}
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
// ensure the zip archive is closed and rethrow the exception
|
|
close_zip_reader(&archive);
|
|
throw e;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0 // forward compatibility
|
|
// we then loop again the entries to read other files stored in the archive
|
|
for (mz_uint i = 0; i < num_entries; ++i)
|
|
{
|
|
if (mz_zip_reader_file_stat(&archive, i, &stat))
|
|
{
|
|
// add code to extract the file
|
|
}
|
|
}
|
|
#endif // forward compatibility
|
|
|
|
close_zip_reader(&archive);
|
|
return true;
|
|
}
|
|
|
|
// Load an AMF file into a provided model.
|
|
// If config is not a null pointer, updates it if the amf file/archive contains config data
|
|
bool load_amf(const char* path, DynamicPrintConfig* config, Model* model, bool check_version)
|
|
{
|
|
if (boost::iends_with(path, ".amf.xml"))
|
|
// backward compatibility with older slic3r output
|
|
return load_amf_file(path, config, model);
|
|
else if (boost::iends_with(path, ".amf"))
|
|
{
|
|
boost::nowide::ifstream file(path, boost::nowide::ifstream::binary);
|
|
if (!file.good())
|
|
return false;
|
|
|
|
std::string zip_mask(2, '\0');
|
|
file.read(const_cast<char*>(zip_mask.data()), 2);
|
|
file.close();
|
|
|
|
return (zip_mask == "PK") ? load_amf_archive(path, config, model, check_version) : load_amf_file(path, config, model);
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
|
|
{
|
|
if ((path == nullptr) || (model == nullptr))
|
|
return false;
|
|
|
|
// forces ".zip.amf" extension
|
|
std::string export_path = path;
|
|
if (!boost::iends_with(export_path, ".zip.amf"))
|
|
export_path = boost::filesystem::path(export_path).replace_extension(".zip.amf").string();
|
|
|
|
mz_zip_archive archive;
|
|
mz_zip_zero_struct(&archive);
|
|
|
|
if (!open_zip_writer(&archive, export_path)) return false;
|
|
|
|
std::stringstream stream;
|
|
// https://en.cppreference.com/w/cpp/types/numeric_limits/max_digits10
|
|
// Conversion of a floating-point value to text and back is exact as long as at least max_digits10 were used (9 for float, 17 for double).
|
|
// It is guaranteed to produce the same floating-point value, even though the intermediate text representation is not exact.
|
|
// The default value of std::stream precision is 6 digits only!
|
|
stream << std::setprecision(std::numeric_limits<float>::max_digits10);
|
|
stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
|
|
stream << "<amf unit=\"millimeter\">\n";
|
|
stream << "<metadata type=\"cad\">Slic3r " << SLIC3R_VERSION << "</metadata>\n";
|
|
stream << "<metadata type=\"" << SLIC3RPE_AMF_VERSION << "\">" << VERSION_AMF << "</metadata>\n";
|
|
|
|
if (config != nullptr)
|
|
{
|
|
std::string str_config = "\n";
|
|
for (const std::string &key : config->keys())
|
|
if (key != "compatible_printers")
|
|
str_config += "; " + key + " = " + config->opt_serialize(key) + "\n";
|
|
stream << "<metadata type=\"" << SLIC3R_CONFIG_TYPE << "\">" << xml_escape(str_config) << "</metadata>\n";
|
|
}
|
|
|
|
for (const auto &material : model->materials) {
|
|
if (material.first.empty())
|
|
continue;
|
|
// note that material-id must never be 0 since it's reserved by the AMF spec
|
|
stream << " <material id=\"" << material.first << "\">\n";
|
|
for (const auto &attr : material.second->attributes)
|
|
stream << " <metadata type=\"" << attr.first << "\">" << attr.second << "</metadata>\n";
|
|
for (const std::string &key : material.second->config.keys())
|
|
stream << " <metadata type=\"slic3r." << key << "\">" << material.second->config.opt_serialize(key) << "</metadata>\n";
|
|
stream << " </material>\n";
|
|
}
|
|
std::string instances;
|
|
for (size_t object_id = 0; object_id < model->objects.size(); ++ object_id) {
|
|
ModelObject *object = model->objects[object_id];
|
|
stream << " <object id=\"" << object_id << "\">\n";
|
|
for (const std::string &key : object->config.keys())
|
|
stream << " <metadata type=\"slic3r." << key << "\">" << object->config.opt_serialize(key) << "</metadata>\n";
|
|
if (!object->name.empty())
|
|
stream << " <metadata type=\"name\">" << xml_escape(object->name) << "</metadata>\n";
|
|
const std::vector<double> &layer_height_profile = object->layer_height_profile;
|
|
if (layer_height_profile.size() >= 4 && (layer_height_profile.size() % 2) == 0) {
|
|
// Store the layer height profile as a single semicolon separated list.
|
|
stream << " <metadata type=\"slic3r.layer_height_profile\">";
|
|
stream << layer_height_profile.front();
|
|
for (size_t i = 1; i < layer_height_profile.size(); ++i)
|
|
stream << ";" << layer_height_profile[i];
|
|
stream << "\n </metadata>\n";
|
|
}
|
|
|
|
// Export layer height ranges including the layer range specific config overrides.
|
|
const t_layer_config_ranges& config_ranges = object->layer_config_ranges;
|
|
if (!config_ranges.empty())
|
|
{
|
|
// Store the layer config range as a single semicolon separated list.
|
|
stream << " <layer_config_ranges>\n";
|
|
size_t layer_counter = 0;
|
|
for (auto range : config_ranges) {
|
|
stream << " <range id=\"" << layer_counter << "\">\n";
|
|
|
|
stream << " <metadata type=\"slic3r.layer_height_range\">";
|
|
stream << range.first.first << ";" << range.first.second << "</metadata>\n";
|
|
|
|
for (const std::string& key : range.second.keys())
|
|
stream << " <metadata type=\"slic3r." << key << "\">" << range.second.opt_serialize(key) << "</metadata>\n";
|
|
|
|
stream << " </range>\n";
|
|
layer_counter++;
|
|
}
|
|
|
|
stream << " </layer_config_ranges>\n";
|
|
}
|
|
|
|
|
|
const std::vector<sla::SupportPoint>& sla_support_points = object->sla_support_points;
|
|
if (!sla_support_points.empty()) {
|
|
// Store the SLA supports as a single semicolon separated list.
|
|
stream << " <metadata type=\"slic3r.sla_support_points\">";
|
|
for (size_t i = 0; i < sla_support_points.size(); ++i) {
|
|
if (i != 0)
|
|
stream << ";";
|
|
stream << sla_support_points[i].pos(0) << ";" << sla_support_points[i].pos(1) << ";" << sla_support_points[i].pos(2) << ";" << sla_support_points[i].head_front_radius << ";" << sla_support_points[i].is_new_island;
|
|
}
|
|
stream << "\n </metadata>\n";
|
|
}
|
|
|
|
stream << " <mesh>\n";
|
|
stream << " <vertices>\n";
|
|
std::vector<int> vertices_offsets;
|
|
int num_vertices = 0;
|
|
for (ModelVolume *volume : object->volumes) {
|
|
vertices_offsets.push_back(num_vertices);
|
|
if (! volume->mesh().repaired)
|
|
throw std::runtime_error("store_amf() requires repair()");
|
|
if (! volume->mesh().has_shared_vertices())
|
|
throw std::runtime_error("store_amf() requires shared vertices");
|
|
const indexed_triangle_set &its = volume->mesh().its;
|
|
const Transform3d& matrix = volume->get_matrix();
|
|
for (size_t i = 0; i < its.vertices.size(); ++i) {
|
|
stream << " <vertex>\n";
|
|
stream << " <coordinates>\n";
|
|
Vec3f v = (matrix * its.vertices[i].cast<double>()).cast<float>();
|
|
stream << " <x>" << v(0) << "</x>\n";
|
|
stream << " <y>" << v(1) << "</y>\n";
|
|
stream << " <z>" << v(2) << "</z>\n";
|
|
stream << " </coordinates>\n";
|
|
stream << " </vertex>\n";
|
|
}
|
|
num_vertices += (int)its.vertices.size();
|
|
}
|
|
stream << " </vertices>\n";
|
|
for (size_t i_volume = 0; i_volume < object->volumes.size(); ++i_volume) {
|
|
ModelVolume *volume = object->volumes[i_volume];
|
|
int vertices_offset = vertices_offsets[i_volume];
|
|
if (volume->material_id().empty())
|
|
stream << " <volume>\n";
|
|
else
|
|
stream << " <volume materialid=\"" << volume->material_id() << "\">\n";
|
|
for (const std::string &key : volume->config.keys())
|
|
stream << " <metadata type=\"slic3r." << key << "\">" << volume->config.opt_serialize(key) << "</metadata>\n";
|
|
if (!volume->name.empty())
|
|
stream << " <metadata type=\"name\">" << xml_escape(volume->name) << "</metadata>\n";
|
|
if (volume->is_modifier())
|
|
stream << " <metadata type=\"slic3r.modifier\">1</metadata>\n";
|
|
stream << " <metadata type=\"slic3r.volume_type\">" << ModelVolume::type_to_string(volume->type()) << "</metadata>\n";
|
|
const indexed_triangle_set &its = volume->mesh().its;
|
|
for (size_t i = 0; i < its.indices.size(); ++i) {
|
|
stream << " <triangle>\n";
|
|
for (int j = 0; j < 3; ++j)
|
|
stream << " <v" << j + 1 << ">" << its.indices[i][j] + vertices_offset << "</v" << j + 1 << ">\n";
|
|
stream << " </triangle>\n";
|
|
}
|
|
stream << " </volume>\n";
|
|
}
|
|
stream << " </mesh>\n";
|
|
stream << " </object>\n";
|
|
if (!object->instances.empty()) {
|
|
for (ModelInstance *instance : object->instances) {
|
|
char buf[512];
|
|
sprintf(buf,
|
|
" <instance objectid=\"" PRINTF_ZU "\">\n"
|
|
" <deltax>%lf</deltax>\n"
|
|
" <deltay>%lf</deltay>\n"
|
|
" <deltaz>%lf</deltaz>\n"
|
|
" <rx>%lf</rx>\n"
|
|
" <ry>%lf</ry>\n"
|
|
" <rz>%lf</rz>\n"
|
|
" <scalex>%lf</scalex>\n"
|
|
" <scaley>%lf</scaley>\n"
|
|
" <scalez>%lf</scalez>\n"
|
|
" <mirrorx>%lf</mirrorx>\n"
|
|
" <mirrory>%lf</mirrory>\n"
|
|
" <mirrorz>%lf</mirrorz>\n"
|
|
" <printable>%d</printable>\n"
|
|
" </instance>\n",
|
|
object_id,
|
|
instance->get_offset(X),
|
|
instance->get_offset(Y),
|
|
instance->get_offset(Z),
|
|
instance->get_rotation(X),
|
|
instance->get_rotation(Y),
|
|
instance->get_rotation(Z),
|
|
instance->get_scaling_factor(X),
|
|
instance->get_scaling_factor(Y),
|
|
instance->get_scaling_factor(Z),
|
|
instance->get_mirror(X),
|
|
instance->get_mirror(Y),
|
|
instance->get_mirror(Z),
|
|
instance->printable);
|
|
|
|
//FIXME missing instance->scaling_factor
|
|
instances.append(buf);
|
|
}
|
|
}
|
|
}
|
|
if (! instances.empty()) {
|
|
stream << " <constellation id=\"1\">\n";
|
|
stream << instances;
|
|
stream << " </constellation>\n";
|
|
}
|
|
stream << "</amf>\n";
|
|
|
|
std::string internal_amf_filename = boost::ireplace_last_copy(boost::filesystem::path(export_path).filename().string(), ".zip.amf", ".amf");
|
|
std::string out = stream.str();
|
|
|
|
if (!mz_zip_writer_add_mem(&archive, internal_amf_filename.c_str(), (const void*)out.data(), out.length(), MZ_DEFAULT_COMPRESSION))
|
|
{
|
|
close_zip_writer(&archive);
|
|
boost::filesystem::remove(export_path);
|
|
return false;
|
|
}
|
|
|
|
if (!mz_zip_writer_finalize_archive(&archive))
|
|
{
|
|
close_zip_writer(&archive);
|
|
boost::filesystem::remove(export_path);
|
|
return false;
|
|
}
|
|
|
|
close_zip_writer(&archive);
|
|
|
|
return true;
|
|
}
|
|
|
|
}; // namespace Slic3r
|