- fbx: refactor parsing code, move all parsing stuff to FBXParser.cpp. Parsing errors now carry the prefix "FBX-Parser".
Alexander Gessler
parent
ef0dcaaea2
commit
315285faf0
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@ -66,8 +66,8 @@ AnimationCurve::AnimationCurve(uint64_t id, const Element& element, const std::s
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const Element& KeyTime = GetRequiredElement(sc,"KeyTime");
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const Element& KeyValueFloat = GetRequiredElement(sc,"KeyValueFloat");
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ReadVectorDataArray(keys, KeyTime);
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ReadVectorDataArray(values, KeyValueFloat);
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ParseVectorDataArray(keys, KeyTime);
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ParseVectorDataArray(values, KeyValueFloat);
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if(keys.size() != values.size()) {
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DOMError("the number of key times does not match the number of keyframe values",&KeyTime);
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@ -80,12 +80,12 @@ AnimationCurve::AnimationCurve(uint64_t id, const Element& element, const std::s
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const Element* KeyAttrDataFloat = sc["KeyAttrDataFloat"];
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if(KeyAttrDataFloat) {
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ReadVectorDataArray(attributes, *KeyAttrDataFloat);
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ParseVectorDataArray(attributes, *KeyAttrDataFloat);
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}
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const Element* KeyAttrFlags = sc["KeyAttrFlags"];
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if(KeyAttrFlags) {
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ReadVectorDataArray(flags, *KeyAttrFlags);
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ParseVectorDataArray(flags, *KeyAttrFlags);
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}
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}
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@ -97,8 +97,8 @@ Cluster::Cluster(uint64_t id, const Element& element, const Document& doc, const
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}
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if(Indexes) {
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ReadVectorDataArray(indices,*Indexes);
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ReadVectorDataArray(weights,*Weights);
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ParseVectorDataArray(indices,*Indexes);
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ParseVectorDataArray(weights,*Weights);
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}
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if(indices.size() != weights.size()) {
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@ -45,8 +45,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
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#include <functional>
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#include "FBXParser.h"
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#include "FBXDocument.h"
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#include "FBXUtil.h"
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@ -96,322 +94,6 @@ void DOMWarning(const std::string& message, const Element* element /*= NULL*/)
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}
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// ------------------------------------------------------------------------------------------------
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// extract required compound scope
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const Scope& GetRequiredScope(const Element& el)
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{
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const Scope* const s = el.Compound();
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if(!s) {
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DOMError("expected compound scope",&el);
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}
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return *s;
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}
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// ------------------------------------------------------------------------------------------------
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// get token at a particular index
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const Token& GetRequiredToken(const Element& el, unsigned int index)
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{
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const TokenList& t = el.Tokens();
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if(index >= t.size()) {
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DOMError(Formatter::format( "missing token at index " ) << index,&el);
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}
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return *t[index];
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}
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// ------------------------------------------------------------------------------------------------
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// wrapper around ParseTokenAsID() with DOMError handling
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uint64_t ParseTokenAsID(const Token& t)
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{
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const char* err;
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const uint64_t i = ParseTokenAsID(t,err);
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if(err) {
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DOMError(err,t);
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}
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return i;
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}
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// ------------------------------------------------------------------------------------------------
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// wrapper around ParseTokenAsDim() with DOMError handling
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size_t ParseTokenAsDim(const Token& t)
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{
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const char* err;
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const size_t i = ParseTokenAsDim(t,err);
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if(err) {
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DOMError(err,t);
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}
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return i;
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}
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// ------------------------------------------------------------------------------------------------
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// wrapper around ParseTokenAsFloat() with DOMError handling
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float ParseTokenAsFloat(const Token& t)
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{
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const char* err;
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const float i = ParseTokenAsFloat(t,err);
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if(err) {
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DOMError(err,t);
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}
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return i;
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}
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// ------------------------------------------------------------------------------------------------
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// wrapper around ParseTokenAsInt() with DOMError handling
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int ParseTokenAsInt(const Token& t)
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{
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const char* err;
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const int i = ParseTokenAsInt(t,err);
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if(err) {
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DOMError(err,t);
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}
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return i;
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}
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// ------------------------------------------------------------------------------------------------
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// wrapper around ParseTokenAsString() with DOMError handling
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std::string ParseTokenAsString(const Token& t)
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{
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const char* err;
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const std::string& i = ParseTokenAsString(t,err);
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if(err) {
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DOMError(err,t);
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}
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return i;
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}
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// ------------------------------------------------------------------------------------------------
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// extract a required element from a scope, abort if the element cannot be found
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const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element /*= NULL*/)
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{
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const Element* el = sc[index];
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if(!el) {
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DOMError("did not find required element \"" + index + "\"",element);
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}
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return *el;
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}
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// XXX: tacke code duplication in the various ReadVectorDataArray() overloads below.
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// could use a type traits based solution.
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// ------------------------------------------------------------------------------------------------
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// read an array of float3 tuples
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void ReadVectorDataArray(std::vector<aiVector3D>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// may throw bad_alloc if the input is rubbish, but this need
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// not to be prevented - importing would fail but we wouldn't
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// crash since assimp handles this case properly.
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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if (a.Tokens().size() % 3 != 0) {
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DOMError("number of floats is not a multiple of three (3)",&el);
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}
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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aiVector3D v;
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v.x = ParseTokenAsFloat(**it++);
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v.y = ParseTokenAsFloat(**it++);
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v.z = ParseTokenAsFloat(**it++);
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out.push_back(v);
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}
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}
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// ------------------------------------------------------------------------------------------------
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// read an array of color4 tuples
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void ReadVectorDataArray(std::vector<aiColor4D>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// see notes in ReadVectorDataArray() above
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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if (a.Tokens().size() % 4 != 0) {
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DOMError("number of floats is not a multiple of four (4)",&el);
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}
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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aiColor4D v;
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v.r = ParseTokenAsFloat(**it++);
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v.g = ParseTokenAsFloat(**it++);
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v.b = ParseTokenAsFloat(**it++);
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v.a = ParseTokenAsFloat(**it++);
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out.push_back(v);
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}
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}
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// ------------------------------------------------------------------------------------------------
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// read an array of float2 tuples
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void ReadVectorDataArray(std::vector<aiVector2D>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// see notes in ReadVectorDataArray() above
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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if (a.Tokens().size() % 2 != 0) {
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DOMError("number of floats is not a multiple of two (2)",&el);
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}
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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aiVector2D v;
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v.x = ParseTokenAsFloat(**it++);
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v.y = ParseTokenAsFloat(**it++);
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out.push_back(v);
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}
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}
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// ------------------------------------------------------------------------------------------------
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// read an array of ints
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void ReadVectorDataArray(std::vector<int>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// see notes in ReadVectorDataArray()
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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const int ival = ParseTokenAsInt(**it++);
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out.push_back(ival);
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}
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}
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// ------------------------------------------------------------------------------------------------
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// read an array of floats
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void ReadVectorDataArray(std::vector<float>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// see notes in ReadVectorDataArray()
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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const float ival = ParseTokenAsFloat(**it++);
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out.push_back(ival);
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}
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}
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// ------------------------------------------------------------------------------------------------
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// read an array of uints
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void ReadVectorDataArray(std::vector<unsigned int>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// see notes in ReadVectorDataArray()
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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const int ival = ParseTokenAsInt(**it++);
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if(ival < 0) {
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DOMError("encountered negative integer index");
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}
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out.push_back(static_cast<unsigned int>(ival));
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}
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}
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// ------------------------------------------------------------------------------------------------
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// read an array of uint64_ts
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void ReadVectorDataArray(std::vector<uint64_t>& out, const Element& el)
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{
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out.clear();
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const TokenList& tok = el.Tokens();
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const size_t dim = ParseTokenAsDim(*tok[0]);
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// see notes in ReadVectorDataArray()
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out.reserve(dim);
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const Scope& scope = GetRequiredScope(el);
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const Element& a = GetRequiredElement(scope,"a",&el);
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for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
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const uint64_t ival = ParseTokenAsID(**it++);
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out.push_back(ival);
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}
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}
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// ------------------------------------------------------------------------------------------------
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aiMatrix4x4 ReadMatrix(const Element& element)
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{
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std::vector<float> values;
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ReadVectorDataArray(values,element);
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if(values.size() != 16) {
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DOMError("expected 16 matrix elements");
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}
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aiMatrix4x4 result;
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result.a1 = values[0];
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result.a2 = values[1];
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result.a3 = values[2];
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result.a4 = values[3];
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result.b1 = values[4];
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result.b2 = values[5];
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result.b3 = values[6];
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result.b4 = values[7];
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result.c1 = values[8];
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result.c2 = values[9];
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result.c3 = values[10];
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result.c4 = values[11];
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result.d1 = values[12];
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result.d2 = values[13];
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result.d3 = values[14];
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result.d4 = values[15];
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result.Transpose();
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return result;
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}
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// ------------------------------------------------------------------------------------------------
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// fetch a property table and the corresponding property template
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boost::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
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@ -48,7 +48,8 @@ namespace Assimp {
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namespace FBX {
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namespace Util {
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// does not return
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/* DOM/Parse error reporting - does not return */
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void DOMError(const std::string& message, const Token& token);
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void DOMError(const std::string& message, const Element* element = NULL);
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@ -56,51 +57,6 @@ void DOMError(const std::string& message, const Element* element = NULL);
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void DOMWarning(const std::string& message, const Token& token);
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void DOMWarning(const std::string& message, const Element* element = NULL);
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// extract required compound scope
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const Scope& GetRequiredScope(const Element& el);
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// get token at a particular index
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const Token& GetRequiredToken(const Element& el, unsigned int index);
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// wrapper around ParseTokenAsID() with DOMError handling
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uint64_t ParseTokenAsID(const Token& t);
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// wrapper around ParseTokenAsDim() with DOMError handling
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size_t ParseTokenAsDim(const Token& t);
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// wrapper around ParseTokenAsFloat() with DOMError handling
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float ParseTokenAsFloat(const Token& t);
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// wrapper around ParseTokenAsInt() with DOMError handling
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int ParseTokenAsInt(const Token& t);
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// wrapper around ParseTokenAsString() with DOMError handling
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std::string ParseTokenAsString(const Token& t);
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// extract a required element from a scope, abort if the element cannot be found
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const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element = NULL);
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// read an array of float3 tuples
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void ReadVectorDataArray(std::vector<aiVector3D>& out, const Element& el);
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// read an array of color4 tuples
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void ReadVectorDataArray(std::vector<aiColor4D>& out, const Element& el);
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// read an array of float2 tuples
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void ReadVectorDataArray(std::vector<aiVector2D>& out, const Element& el);
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// read an array of ints
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void ReadVectorDataArray(std::vector<int>& out, const Element& el);
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// read an array of floats
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void ReadVectorDataArray(std::vector<float>& out, const Element& el);
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// read an array of uints
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void ReadVectorDataArray(std::vector<unsigned int>& out, const Element& el);
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// read an array of uint64_t's
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void ReadVectorDataArray(std::vector<uint64_t>& out, const Element& el);
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// read a 4x4 matrix from an array of 16 floats
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aiMatrix4x4 ReadMatrix(const Element& element);
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// fetch a property table and the corresponding property template
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boost::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
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@ -109,8 +65,6 @@ boost::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
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const Scope& sc);
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// ------------------------------------------------------------------------------------------------
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template <typename T>
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inline const T* ProcessSimpleConnection(const Connection& con,
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@ -99,7 +99,7 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
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const ElementCollection& Layer = sc->GetCollection("Layer");
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std::vector<aiVector3D> tempVerts;
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ReadVectorDataArray(tempVerts,Vertices);
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ParseVectorDataArray(tempVerts,Vertices);
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if(tempVerts.empty()) {
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FBXImporter::LogWarn("encountered mesh with no vertices");
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@ -107,7 +107,7 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
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}
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std::vector<int> tempFaces;
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ReadVectorDataArray(tempFaces,PolygonVertexIndex);
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ParseVectorDataArray(tempFaces,PolygonVertexIndex);
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if(tempFaces.empty()) {
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FBXImporter::LogWarn("encountered mesh with no faces");
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@ -346,7 +346,7 @@ void ResolveVertexDataArray(std::vector<T>& data_out, const Scope& source,
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const std::vector<unsigned int>& mappings)
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{
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std::vector<T> tempUV;
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ReadVectorDataArray(tempUV,GetRequiredElement(source,dataElementName));
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ParseVectorDataArray(tempUV,GetRequiredElement(source,dataElementName));
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// handle permutations of Mapping and Reference type - it would be nice to
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// deal with this more elegantly and with less redundancy, but right
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@ -365,7 +365,7 @@ void ResolveVertexDataArray(std::vector<T>& data_out, const Scope& source,
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data_out.resize(vertex_count);
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std::vector<int> uvIndices;
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ReadVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
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ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
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for (size_t i = 0, e = uvIndices.size(); i < e; ++i) {
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@ -392,7 +392,7 @@ void ResolveVertexDataArray(std::vector<T>& data_out, const Scope& source,
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data_out.resize(vertex_count);
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std::vector<int> uvIndices;
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ReadVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
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ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
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if (uvIndices.size() != vertex_count) {
|
||||
FBXImporter::LogError("length of input data unexpected for ByPolygonVertex mapping");
|
||||
|
|
@ -500,7 +500,7 @@ void MeshGeometry::ReadVertexDataMaterials(std::vector<int>& materials_out, cons
|
|||
// materials are handled separately. First of all, they are assigned per-face
|
||||
// and not per polyvert. Secondly, ReferenceInformationType=IndexToDirect
|
||||
// has a slightly different meaning for materials.
|
||||
ReadVectorDataArray(materials_out,GetRequiredElement(source,"Materials"));
|
||||
ParseVectorDataArray(materials_out,GetRequiredElement(source,"Materials"));
|
||||
|
||||
if (MappingInformationType == "AllSame") {
|
||||
// easy - same material for all faces
|
||||
|
|
|
|||
|
|
@ -57,11 +57,52 @@ using namespace Assimp::FBX;
|
|||
|
||||
namespace {
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// signal parse error, this is always unrecoverable. Throws DeadlyImportError.
|
||||
void ParseError(const std::string& message, const Token& token)
|
||||
{
|
||||
throw DeadlyImportError(Util::AddTokenText("FBX-Parser",message,&token));
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void ParseError(const std::string& message, const Element* element = NULL)
|
||||
{
|
||||
if(element) {
|
||||
ParseError(message,element->KeyToken());
|
||||
}
|
||||
throw DeadlyImportError("FBX-Parser " + message);
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// print warning, do return
|
||||
void ParseWarning(const std::string& message, const Token& token)
|
||||
{
|
||||
if(DefaultLogger::get()) {
|
||||
DefaultLogger::get()->warn(Util::AddTokenText("FBX-Parser",message,&token));
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void ParseWarning(const std::string& message, const Element* element = NULL)
|
||||
{
|
||||
if(element) {
|
||||
ParseWarning(message,element->KeyToken());
|
||||
return;
|
||||
}
|
||||
if(DefaultLogger::get()) {
|
||||
DefaultLogger::get()->warn("FBX-Parser: " + message);
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// signal parsing error, this is always unrecoverable. Throws DeadlyImportError.
|
||||
void ParseError(const std::string& message, TokenPtr token)
|
||||
{
|
||||
throw DeadlyImportError(token ? Util::AddTokenText("FBX-Parse",message,token) : ("FBX-Parse " + message));
|
||||
if(token) {
|
||||
ParseError(message, *token);
|
||||
}
|
||||
ParseError(message);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -130,7 +171,7 @@ Scope::Scope(Parser& parser,bool topLevel)
|
|||
|
||||
TokenPtr n = parser.AdvanceToNextToken();
|
||||
if(n == NULL) {
|
||||
ParseError("unexpected end of file",NULL);
|
||||
ParseError("unexpected end of file");
|
||||
}
|
||||
|
||||
// note: empty scopes are allowed
|
||||
|
|
@ -419,6 +460,323 @@ std::string ParseTokenAsString(const Token& t, const char*& err_out)
|
|||
return std::string(s+1,length-2);
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of float3 tuples
|
||||
void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// may throw bad_alloc if the input is rubbish, but this need
|
||||
// not to be prevented - importing would fail but we wouldn't
|
||||
// crash since assimp handles this case properly.
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
if (a.Tokens().size() % 3 != 0) {
|
||||
ParseError("number of floats is not a multiple of three (3)",&el);
|
||||
}
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
aiVector3D v;
|
||||
v.x = ParseTokenAsFloat(**it++);
|
||||
v.y = ParseTokenAsFloat(**it++);
|
||||
v.z = ParseTokenAsFloat(**it++);
|
||||
|
||||
out.push_back(v);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of color4 tuples
|
||||
void ParseVectorDataArray(std::vector<aiColor4D>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// see notes in ParseVectorDataArray() above
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
if (a.Tokens().size() % 4 != 0) {
|
||||
ParseError("number of floats is not a multiple of four (4)",&el);
|
||||
}
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
aiColor4D v;
|
||||
v.r = ParseTokenAsFloat(**it++);
|
||||
v.g = ParseTokenAsFloat(**it++);
|
||||
v.b = ParseTokenAsFloat(**it++);
|
||||
v.a = ParseTokenAsFloat(**it++);
|
||||
|
||||
out.push_back(v);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of float2 tuples
|
||||
void ParseVectorDataArray(std::vector<aiVector2D>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// see notes in ParseVectorDataArray() above
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
if (a.Tokens().size() % 2 != 0) {
|
||||
ParseError("number of floats is not a multiple of two (2)",&el);
|
||||
}
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
aiVector2D v;
|
||||
v.x = ParseTokenAsFloat(**it++);
|
||||
v.y = ParseTokenAsFloat(**it++);
|
||||
|
||||
out.push_back(v);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of ints
|
||||
void ParseVectorDataArray(std::vector<int>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// see notes in ParseVectorDataArray()
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
const int ival = ParseTokenAsInt(**it++);
|
||||
out.push_back(ival);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of floats
|
||||
void ParseVectorDataArray(std::vector<float>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// see notes in ParseVectorDataArray()
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
const float ival = ParseTokenAsFloat(**it++);
|
||||
out.push_back(ival);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of uints
|
||||
void ParseVectorDataArray(std::vector<unsigned int>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// see notes in ParseVectorDataArray()
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
const int ival = ParseTokenAsInt(**it++);
|
||||
if(ival < 0) {
|
||||
ParseError("encountered negative integer index");
|
||||
}
|
||||
out.push_back(static_cast<unsigned int>(ival));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// read an array of uint64_ts
|
||||
void ParseVectorDataArray(std::vector<uint64_t>& out, const Element& el)
|
||||
{
|
||||
out.clear();
|
||||
const TokenList& tok = el.Tokens();
|
||||
const size_t dim = ParseTokenAsDim(*tok[0]);
|
||||
|
||||
// see notes in ParseVectorDataArray()
|
||||
out.reserve(dim);
|
||||
|
||||
const Scope& scope = GetRequiredScope(el);
|
||||
const Element& a = GetRequiredElement(scope,"a",&el);
|
||||
|
||||
for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
|
||||
const uint64_t ival = ParseTokenAsID(**it++);
|
||||
|
||||
out.push_back(ival);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
aiMatrix4x4 ReadMatrix(const Element& element)
|
||||
{
|
||||
std::vector<float> values;
|
||||
ParseVectorDataArray(values,element);
|
||||
|
||||
if(values.size() != 16) {
|
||||
ParseError("expected 16 matrix elements");
|
||||
}
|
||||
|
||||
aiMatrix4x4 result;
|
||||
|
||||
|
||||
result.a1 = values[0];
|
||||
result.a2 = values[1];
|
||||
result.a3 = values[2];
|
||||
result.a4 = values[3];
|
||||
|
||||
result.b1 = values[4];
|
||||
result.b2 = values[5];
|
||||
result.b3 = values[6];
|
||||
result.b4 = values[7];
|
||||
|
||||
result.c1 = values[8];
|
||||
result.c2 = values[9];
|
||||
result.c3 = values[10];
|
||||
result.c4 = values[11];
|
||||
|
||||
result.d1 = values[12];
|
||||
result.d2 = values[13];
|
||||
result.d3 = values[14];
|
||||
result.d4 = values[15];
|
||||
|
||||
result.Transpose();
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// wrapper around ParseTokenAsString() with ParseError handling
|
||||
std::string ParseTokenAsString(const Token& t)
|
||||
{
|
||||
const char* err;
|
||||
const std::string& i = ParseTokenAsString(t,err);
|
||||
if(err) {
|
||||
ParseError(err,t);
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// extract a required element from a scope, abort if the element cannot be found
|
||||
const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element /*= NULL*/)
|
||||
{
|
||||
const Element* el = sc[index];
|
||||
if(!el) {
|
||||
ParseError("did not find required element \"" + index + "\"",element);
|
||||
}
|
||||
return *el;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// extract required compound scope
|
||||
const Scope& GetRequiredScope(const Element& el)
|
||||
{
|
||||
const Scope* const s = el.Compound();
|
||||
if(!s) {
|
||||
ParseError("expected compound scope",&el);
|
||||
}
|
||||
|
||||
return *s;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// get token at a particular index
|
||||
const Token& GetRequiredToken(const Element& el, unsigned int index)
|
||||
{
|
||||
const TokenList& t = el.Tokens();
|
||||
if(index >= t.size()) {
|
||||
ParseError(Formatter::format( "missing token at index " ) << index,&el);
|
||||
}
|
||||
|
||||
return *t[index];
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// wrapper around ParseTokenAsID() with ParseError handling
|
||||
uint64_t ParseTokenAsID(const Token& t)
|
||||
{
|
||||
const char* err;
|
||||
const uint64_t i = ParseTokenAsID(t,err);
|
||||
if(err) {
|
||||
ParseError(err,t);
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// wrapper around ParseTokenAsDim() with ParseError handling
|
||||
size_t ParseTokenAsDim(const Token& t)
|
||||
{
|
||||
const char* err;
|
||||
const size_t i = ParseTokenAsDim(t,err);
|
||||
if(err) {
|
||||
ParseError(err,t);
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// wrapper around ParseTokenAsFloat() with ParseError handling
|
||||
float ParseTokenAsFloat(const Token& t)
|
||||
{
|
||||
const char* err;
|
||||
const float i = ParseTokenAsFloat(t,err);
|
||||
if(err) {
|
||||
ParseError(err,t);
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// wrapper around ParseTokenAsInt() with ParseError handling
|
||||
int ParseTokenAsInt(const Token& t)
|
||||
{
|
||||
const char* err;
|
||||
const int i = ParseTokenAsInt(t,err);
|
||||
if(err) {
|
||||
ParseError(err,t);
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
|
||||
|
||||
} // !FBX
|
||||
} // !Assimp
|
||||
|
||||
|
|
|
|||
|
|
@ -208,6 +208,38 @@ float ParseTokenAsFloat(const Token& t, const char*& err_out);
|
|||
int ParseTokenAsInt(const Token& t, const char*& err_out);
|
||||
std::string ParseTokenAsString(const Token& t, const char*& err_out);
|
||||
|
||||
|
||||
/* wrapper around ParseTokenAsXXX() with DOMError handling */
|
||||
uint64_t ParseTokenAsID(const Token& t);
|
||||
size_t ParseTokenAsDim(const Token& t);
|
||||
float ParseTokenAsFloat(const Token& t);
|
||||
int ParseTokenAsInt(const Token& t);
|
||||
std::string ParseTokenAsString(const Token& t);
|
||||
|
||||
/* read data arrays */
|
||||
void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el);
|
||||
void ParseVectorDataArray(std::vector<aiColor4D>& out, const Element& el);
|
||||
void ParseVectorDataArray(std::vector<aiVector2D>& out, const Element& el);
|
||||
void ParseVectorDataArray(std::vector<int>& out, const Element& el);
|
||||
void ParseVectorDataArray(std::vector<float>& out, const Element& el);
|
||||
void ParseVectorDataArray(std::vector<unsigned int>& out, const Element& el);
|
||||
void ParseVectorDataArray(std::vector<uint64_t>& out, const Element& e);
|
||||
|
||||
|
||||
|
||||
// extract a required element from a scope, abort if the element cannot be found
|
||||
const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element = NULL);
|
||||
|
||||
// extract required compound scope
|
||||
const Scope& GetRequiredScope(const Element& el);
|
||||
// get token at a particular index
|
||||
const Token& GetRequiredToken(const Element& el, unsigned int index);
|
||||
|
||||
|
||||
|
||||
// read a 4x4 matrix from an array of 16 floats
|
||||
aiMatrix4x4 ReadMatrix(const Element& element);
|
||||
|
||||
} // ! FBX
|
||||
} // ! Assimp
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue