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Merge branch 'master' of github.com:syoyo/tinygltf into serialization_fixes

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Selmar Kok 2018-10-05 14:30:16 +02:00
commit 13b6402388
3 changed files with 267 additions and 708 deletions
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292
examples/glview/trackball.cc
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@ -1,292 +0,0 @@
/*
* (c) Copyright 1993, 1994, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both the copyright notice
* and this permission notice appear in supporting documentation, and that
* the name of Silicon Graphics, Inc. not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* US Government Users Restricted Rights
* Use, duplication, or disclosure by the Government is subject to
* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
* (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor
* clauses in the FAR or the DOD or NASA FAR Supplement.
* Unpublished-- rights reserved under the copyright laws of the
* United States. Contractor/manufacturer is Silicon Graphics,
* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
/*
* Trackball code:
*
* Implementation of a virtual trackball.
* Implemented by Gavin Bell, lots of ideas from Thant Tessman and
* the August '88 issue of Siggraph's "Computer Graphics," pp. 121-129.
*
* Vector manip code:
*
* Original code from:
* David M. Ciemiewicz, Mark Grossman, Henry Moreton, and Paul Haeberli
*
* Much mucking with by:
* Gavin Bell
*/
#include <math.h>
#include "trackball.h"
/*
* This size should really be based on the distance from the center of
* rotation to the point on the object underneath the mouse. That
* point would then track the mouse as closely as possible. This is a
* simple example, though, so that is left as an Exercise for the
* Programmer.
*/
#define TRACKBALLSIZE (0.8)
/*
* Local function prototypes (not defined in trackball.h)
*/
static float tb_project_to_sphere(float, float, float);
static void normalize_quat(float[4]);
static void vzero(float *v) {
v[0] = 0.0;
v[1] = 0.0;
v[2] = 0.0;
}
static void vset(float *v, float x, float y, float z) {
v[0] = x;
v[1] = y;
v[2] = z;
}
static void vsub(const float *src1, const float *src2, float *dst) {
dst[0] = src1[0] - src2[0];
dst[1] = src1[1] - src2[1];
dst[2] = src1[2] - src2[2];
}
static void vcopy(const float *v1, float *v2) {
register int i;
for (i = 0; i < 3; i++)
v2[i] = v1[i];
}
static void vcross(const float *v1, const float *v2, float *cross) {
float temp[3];
temp[0] = (v1[1] * v2[2]) - (v1[2] * v2[1]);
temp[1] = (v1[2] * v2[0]) - (v1[0] * v2[2]);
temp[2] = (v1[0] * v2[1]) - (v1[1] * v2[0]);
vcopy(temp, cross);
}
static float vlength(const float *v) {
return sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
}
static void vscale(float *v, float div) {
v[0] *= div;
v[1] *= div;
v[2] *= div;
}
static void vnormal(float *v) { vscale(v, 1.0 / vlength(v)); }
static float vdot(const float *v1, const float *v2) {
return v1[0] * v2[0] + v1[1] * v2[1] + v1[2] * v2[2];
}
static void vadd(const float *src1, const float *src2, float *dst) {
dst[0] = src1[0] + src2[0];
dst[1] = src1[1] + src2[1];
dst[2] = src1[2] + src2[2];
}
/*
* Ok, simulate a track-ball. Project the points onto the virtual
* trackball, then figure out the axis of rotation, which is the cross
* product of P1 P2 and O P1 (O is the center of the ball, 0,0,0)
* Note: This is a deformed trackball-- is a trackball in the center,
* but is deformed into a hyperbolic sheet of rotation away from the
* center. This particular function was chosen after trying out
* several variations.
*
* It is assumed that the arguments to this routine are in the range
* (-1.0 ... 1.0)
*/
void trackball(float q[4], float p1x, float p1y, float p2x, float p2y) {
float a[3]; /* Axis of rotation */
float phi; /* how much to rotate about axis */
float p1[3], p2[3], d[3];
float t;
if (p1x == p2x && p1y == p2y) {
/* Zero rotation */
vzero(q);
q[3] = 1.0;
return;
}
/*
* First, figure out z-coordinates for projection of P1 and P2 to
* deformed sphere
*/
vset(p1, p1x, p1y, tb_project_to_sphere(TRACKBALLSIZE, p1x, p1y));
vset(p2, p2x, p2y, tb_project_to_sphere(TRACKBALLSIZE, p2x, p2y));
/*
* Now, we want the cross product of P1 and P2
*/
vcross(p2, p1, a);
/*
* Figure out how much to rotate around that axis.
*/
vsub(p1, p2, d);
t = vlength(d) / (2.0 * TRACKBALLSIZE);
/*
* Avoid problems with out-of-control values...
*/
if (t > 1.0)
t = 1.0;
if (t < -1.0)
t = -1.0;
phi = 2.0 * asin(t);
axis_to_quat(a, phi, q);
}
/*
* Given an axis and angle, compute quaternion.
*/
void axis_to_quat(float a[3], float phi, float q[4]) {
vnormal(a);
vcopy(a, q);
vscale(q, sin(phi / 2.0));
q[3] = cos(phi / 2.0);
}
/*
* Project an x,y pair onto a sphere of radius r OR a hyperbolic sheet
* if we are away from the center of the sphere.
*/
static float tb_project_to_sphere(float r, float x, float y) {
float d, t, z;
d = sqrt(x * x + y * y);
if (d < r * 0.70710678118654752440) { /* Inside sphere */
z = sqrt(r * r - d * d);
} else { /* On hyperbola */
t = r / 1.41421356237309504880;
z = t * t / d;
}
return z;
}
/*
* Given two rotations, e1 and e2, expressed as quaternion rotations,
* figure out the equivalent single rotation and stuff it into dest.
*
* This routine also normalizes the result every RENORMCOUNT times it is
* called, to keep error from creeping in.
*
* NOTE: This routine is written so that q1 or q2 may be the same
* as dest (or each other).
*/
#define RENORMCOUNT 97
void add_quats(float q1[4], float q2[4], float dest[4]) {
static int count = 0;
float t1[4], t2[4], t3[4];
float tf[4];
vcopy(q1, t1);
vscale(t1, q2[3]);
vcopy(q2, t2);
vscale(t2, q1[3]);
vcross(q2, q1, t3);
vadd(t1, t2, tf);
vadd(t3, tf, tf);
tf[3] = q1[3] * q2[3] - vdot(q1, q2);
dest[0] = tf[0];
dest[1] = tf[1];
dest[2] = tf[2];
dest[3] = tf[3];
if (++count > RENORMCOUNT) {
count = 0;
normalize_quat(dest);
}
}
/*
* Quaternions always obey: a^2 + b^2 + c^2 + d^2 = 1.0
* If they don't add up to 1.0, dividing by their magnitued will
* renormalize them.
*
* Note: See the following for more information on quaternions:
*
* - Shoemake, K., Animating rotation with quaternion curves, Computer
* Graphics 19, No 3 (Proc. SIGGRAPH'85), 245-254, 1985.
* - Pletinckx, D., Quaternion calculus as a basic tool in computer
* graphics, The Visual Computer 5, 2-13, 1989.
*/
static void normalize_quat(float q[4]) {
int i;
float mag;
mag = (q[0] * q[0] + q[1] * q[1] + q[2] * q[2] + q[3] * q[3]);
for (i = 0; i < 4; i++)
q[i] /= mag;
}
/*
* Build a rotation matrix, given a quaternion rotation.
*
*/
void build_rotmatrix(float m[4][4], const float q[4]) {
m[0][0] = 1.0 - 2.0 * (q[1] * q[1] + q[2] * q[2]);
m[0][1] = 2.0 * (q[0] * q[1] - q[2] * q[3]);
m[0][2] = 2.0 * (q[2] * q[0] + q[1] * q[3]);
m[0][3] = 0.0;
m[1][0] = 2.0 * (q[0] * q[1] + q[2] * q[3]);
m[1][1] = 1.0 - 2.0 * (q[2] * q[2] + q[0] * q[0]);
m[1][2] = 2.0 * (q[1] * q[2] - q[0] * q[3]);
m[1][3] = 0.0;
m[2][0] = 2.0 * (q[2] * q[0] - q[1] * q[3]);
m[2][1] = 2.0 * (q[1] * q[2] + q[0] * q[3]);
m[2][2] = 1.0 - 2.0 * (q[1] * q[1] + q[0] * q[0]);
m[2][3] = 0.0;
m[3][0] = 0.0;
m[3][1] = 0.0;
m[3][2] = 0.0;
m[3][3] = 1.0;
}

75
examples/glview/trackball.h
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@ -1,75 +0,0 @@
/*
* (c) Copyright 1993, 1994, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both the copyright notice
* and this permission notice appear in supporting documentation, and that
* the name of Silicon Graphics, Inc. not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* US Government Users Restricted Rights
* Use, duplication, or disclosure by the Government is subject to
* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
* (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor
* clauses in the FAR or the DOD or NASA FAR Supplement.
* Unpublished-- rights reserved under the copyright laws of the
* United States. Contractor/manufacturer is Silicon Graphics,
* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
/*
* trackball.h
* A virtual trackball implementation
* Written by Gavin Bell for Silicon Graphics, November 1988.
*/
/*
* Pass the x and y coordinates of the last and current positions of
* the mouse, scaled so they are from (-1.0 ... 1.0).
*
* The resulting rotation is returned as a quaternion rotation in the
* first paramater.
*/
void trackball(float q[4], float p1x, float p1y, float p2x, float p2y);
void negate_quat(float *q, float *qn);
/*
* Given two quaternions, add them together to get a third quaternion.
* Adding quaternions to get a compound rotation is analagous to adding
* translations to get a compound translation. When incrementally
* adding rotations, the first argument here should be the new
* rotation, the second and third the total rotation (which will be
* over-written with the resulting new total rotation).
*/
void add_quats(float *q1, float *q2, float *dest);
/*
* A useful function, builds a rotation matrix in Matrix based on
* given quaternion.
*/
void build_rotmatrix(float m[4][4], const float q[4]);
/*
* This function computes a quaternion based on an axis (defined by
* the given vector) and an angle about which to rotate. The angle is
* expressed in radians. The result is put into the third argument.
*/
void axis_to_quat(float a[3], float phi, float q[4]);

456
tiny_gltf.h
View File

@ -26,6 +26,7 @@
// THE SOFTWARE. // THE SOFTWARE.
// Version: // Version:
// - v2.0.1 Add comparsion feature(Thanks to @Selmar).
// - v2.0.0 glTF 2.0!. // - v2.0.0 glTF 2.0!.
// //
// Tiny glTF loader is using following third party libraries: // Tiny glTF loader is using following third party libraries:
@ -40,8 +41,8 @@
#include <array> #include <array>
#include <cassert> #include <cassert>
#include <cstdint> #include <cstdint>
#include <cstring>
#include <cstdlib> #include <cstdlib>
#include <cstring>
#include <map> #include <map>
#include <string> #include <string>
#include <vector> #include <vector>
@ -136,7 +137,7 @@ namespace tinygltf {
#define TINYGLTF_SHADER_TYPE_FRAGMENT_SHADER (35632) #define TINYGLTF_SHADER_TYPE_FRAGMENT_SHADER (35632)
#define TINYGLTF_DOUBLE_EPS (1.e-12) #define TINYGLTF_DOUBLE_EPS (1.e-12)
#define TINYGLTF_DOUBLE_EQUAL(a,b) (abs((b)-(a))<TINYGLTF_DOUBLE_EPS) #define TINYGLTF_DOUBLE_EQUAL(a, b) (std::fabs((b) - (a)) < TINYGLTF_DOUBLE_EPS)
typedef enum { typedef enum {
NULL_TYPE = 0, NULL_TYPE = 0,
@ -194,9 +195,8 @@ static inline int32_t GetTypeSizeInBytes(uint32_t ty) {
} }
bool IsDataURI(const std::string &in); bool IsDataURI(const std::string &in);
bool DecodeDataURI(std::vector<unsigned char> *out, bool DecodeDataURI(std::vector<unsigned char> *out, std::string &mime_type,
std::string &mime_type, const std::string &in, const std::string &in, size_t reqBytes, bool checkSize);
size_t reqBytes, bool checkSize);
#ifdef __clang__ #ifdef __clang__
#pragma clang diagnostic push #pragma clang diagnostic push
@ -472,14 +472,20 @@ struct Image {
Value extras; Value extras;
ExtensionMap extensions; ExtensionMap extensions;
// When this flag is true, data is stored to `image` in as-is format(e.g. jpeg compressed for "image/jpeg" mime) // When this flag is true, data is stored to `image` in as-is format(e.g. jpeg
// This feature is good if you use custom image loader function. // compressed for "image/jpeg" mime) This feature is good if you use custom
// (e.g. delayed decoding of images for faster glTF parsing) // image loader function. (e.g. delayed decoding of images for faster glTF
// Default parser for Image does not provide as-is loading feature at the moment. // parsing) Default parser for Image does not provide as-is loading feature at
// (You can manipulate this by providing your own LoadImageData function) // the moment. (You can manipulate this by providing your own LoadImageData
// function)
bool as_is; bool as_is;
Image() : as_is(false) { bufferView = -1; width = -1; height = -1; component = -1; } Image() : as_is(false) {
bufferView = -1;
width = -1;
height = -1;
component = -1;
}
bool operator==(const Image &) const; bool operator==(const Image &) const;
}; };
@ -588,11 +594,11 @@ struct PerspectiveCamera {
double znear; // required. min > 0 double znear; // required. min > 0
PerspectiveCamera() PerspectiveCamera()
: aspectRatio(0.0f), : aspectRatio(0.0),
yfov(0.0f), yfov(0.0),
zfar(0.0f) // 0 = use infinite projecton matrix zfar(0.0) // 0 = use infinite projecton matrix
, ,
znear(0.0f) {} znear(0.0) {}
bool operator==(const PerspectiveCamera &) const; bool operator==(const PerspectiveCamera &) const;
ExtensionMap extensions; ExtensionMap extensions;
@ -605,7 +611,7 @@ struct OrthographicCamera {
double zfar; // required. `zfar` must be greater than `znear`. double zfar; // required. `zfar` must be greater than `znear`.
double znear; // required double znear; // required
OrthographicCamera() : xmag(0.0f), ymag(0.0f), zfar(0.0f), znear(0.0f) {} OrthographicCamera() : xmag(0.0), ymag(0.0), zfar(0.0), znear(0.0) {}
bool operator==(const OrthographicCamera &) const; bool operator==(const OrthographicCamera &) const;
ExtensionMap extensions; ExtensionMap extensions;
@ -1081,53 +1087,42 @@ using nlohmann::json;
namespace tinygltf { namespace tinygltf {
// Equals function for Value, for recursivity // Equals function for Value, for recursivity
bool Equals(const tinygltf::Value& one, const tinygltf::Value& other) static bool Equals(const tinygltf::Value &one, const tinygltf::Value &other) {
{ if (one.Type() != other.Type()) return false;
if (one.Type() != other.Type())
return false;
switch (one.Type()) switch (one.Type()) {
{
case NULL_TYPE: case NULL_TYPE:
return true; return true;
case BOOL_TYPE: case BOOL_TYPE:
return one.Get<bool>() == other.Get<bool>(); return one.Get<bool>() == other.Get<bool>();
case NUMBER_TYPE: case NUMBER_TYPE:
return one.Get<double>() == other.Get<double>(); return TINYGLTF_DOUBLE_EQUAL(one.Get<double>(), other.Get<double>());
case INT_TYPE: case INT_TYPE:
return one.Get<int>() == other.Get<int>(); return one.Get<int>() == other.Get<int>();
case OBJECT_TYPE: case OBJECT_TYPE: {
{
auto oneObj = one.Get<tinygltf::Value::Object>(); auto oneObj = one.Get<tinygltf::Value::Object>();
auto otherObj = other.Get<tinygltf::Value::Object>(); auto otherObj = other.Get<tinygltf::Value::Object>();
if (oneObj.size() != otherObj.size()) if (oneObj.size() != otherObj.size()) return false;
return false; for (auto &it : oneObj) {
for (auto& it : oneObj)
{
auto otherIt = otherObj.find(it.first); auto otherIt = otherObj.find(it.first);
if (otherIt == otherObj.end()) if (otherIt == otherObj.end()) return false;
return false;
if (!Equals(it.second, otherIt->second)) if (!Equals(it.second, otherIt->second)) return false;
return false;
} }
return true; return true;
} }
case ARRAY_TYPE: case ARRAY_TYPE: {
{ if (one.Size() != other.Size()) return false;
if (one.Size() != other.Size()) for (int i = 0; i < int(one.Size()); ++i)
return false; if (Equals(one.Get(i), other.Get(i))) return false;
for (int i = 0; i < one.Size(); ++i)
if (Equals(one.Get(i), other.Get(i)))
return false;
return true; return true;
} }
case STRING_TYPE: case STRING_TYPE:
return one.Get<std::string>() == other.Get<std::string>(); return one.Get<std::string>() == other.Get<std::string>();
case BINARY_TYPE: case BINARY_TYPE:
return one.Get<std::vector<unsigned char>>() == other.Get<std::vector<unsigned char>>(); return one.Get<std::vector<unsigned char> >() ==
default: other.Get<std::vector<unsigned char> >();
{ default: {
// unhandled type // unhandled type
return false; return false;
} }
@ -1137,173 +1132,117 @@ bool Equals(const tinygltf::Value& one, const tinygltf::Value& other)
} }
// Equals function for std::vector<double> using TINYGLTF_DOUBLE_EPSILON // Equals function for std::vector<double> using TINYGLTF_DOUBLE_EPSILON
bool Equals(const std::vector<double>& one, const std::vector<double>& other) static bool Equals(const std::vector<double> &one,
{ const std::vector<double> &other) {
if (one.size() != other.size()) if (one.size() != other.size()) return false;
return false; for (int i = 0; i < int(one.size()); ++i) {
for (int i = 0; i < one.size(); ++i) if (!TINYGLTF_DOUBLE_EQUAL(one[size_t(i)], other[size_t(i)])) return false;
{
if (!TINYGLTF_DOUBLE_EQUAL(one[i], other[i]))
return false;
} }
return true; return true;
} }
bool Accessor::operator==(const Accessor& other) const bool Accessor::operator==(const Accessor &other) const {
{ return this->bufferView == other.bufferView &&
return this->bufferView == other.bufferView this->byteOffset == other.byteOffset &&
&& this->byteOffset == other.byteOffset this->componentType == other.componentType &&
&& this->componentType == other.componentType this->count == other.count && this->extras == other.extras &&
&& this->count == other.count Equals(this->maxValues, other.maxValues) &&
&& this->extras == other.extras Equals(this->minValues, other.minValues) && this->name == other.name &&
&& Equals(this->maxValues, other.maxValues) this->normalized == other.normalized && this->type == other.type;
&& Equals(this->minValues,other.minValues)
&& this->name == other.name
&& this->normalized == other.normalized
&& this->type == other.type;
} }
bool Animation::operator==(const Animation& other) const bool Animation::operator==(const Animation &other) const {
{ return this->channels == other.channels && this->extras == other.extras &&
return this->channels == other.channels this->name == other.name && this->samplers == other.samplers;
&& this->extras == other.extras
&& this->name == other.name
&& this->samplers == other.samplers;
} }
bool AnimationChannel::operator==(const AnimationChannel& other) const bool AnimationChannel::operator==(const AnimationChannel &other) const {
{ return this->extras == other.extras &&
return this->extras == other.extras this->target_node == other.target_node &&
&& this->target_node == other.target_node this->target_path == other.target_path &&
&& this->target_path == other.target_path this->sampler == other.sampler;
&& this->sampler == other.sampler;
} }
bool AnimationSampler::operator==(const AnimationSampler& other) const bool AnimationSampler::operator==(const AnimationSampler &other) const {
{ return this->extras == other.extras && this->input == other.input &&
return this->extras == other.extras this->interpolation == other.interpolation &&
&& this->input == other.input this->output == other.output;
&& this->interpolation == other.interpolation
&& this->output == other.output;
} }
bool Asset::operator==(const Asset& other) const bool Asset::operator==(const Asset &other) const {
{ return this->copyright == other.copyright &&
return this->copyright == other.copyright this->extensions == other.extensions && this->extras == other.extras &&
&& this->extensions == other.extensions this->generator == other.generator &&
&& this->extras == other.extras this->minVersion == other.minVersion && this->version == other.version;
&& this->generator == other.generator
&& this->minVersion == other.minVersion
&& this->version == other.version;
} }
bool Buffer::operator==(const Buffer& other) const bool Buffer::operator==(const Buffer &other) const {
{ return this->data == other.data && this->extras == other.extras &&
return this->data == other.data this->name == other.name && this->uri == other.uri;
&& this->extras == other.extras
&& this->name == other.name
&& this->uri == other.uri;
} }
bool BufferView::operator==(const BufferView& other) const bool BufferView::operator==(const BufferView &other) const {
{ return this->buffer == other.buffer && this->byteLength == other.byteLength &&
return this->buffer == other.buffer this->byteOffset == other.byteOffset &&
&& this->byteLength == other.byteLength this->byteStride == other.byteStride && this->name == other.name &&
&& this->byteOffset == other.byteOffset this->target == other.target && this->extras == other.extras;
&& this->byteStride == other.byteStride
&& this->name == other.name
&& this->target == other.target
&& this->extras == other.extras;
} }
bool Camera::operator==(const Camera& other) const bool Camera::operator==(const Camera &other) const {
{ return this->name == other.name && this->extensions == other.extensions &&
return this->name == other.name this->extras == other.extras &&
&& this->extensions == other.extensions this->orthographic == other.orthographic &&
&& this->extras == other.extras this->perspective == other.perspective && this->type == other.type;
&& this->orthographic == other.orthographic
&& this->perspective == other.perspective
&& this->type == other.type;
} }
bool Image::operator==(const Image& other) const bool Image::operator==(const Image &other) const {
{ return this->bufferView == other.bufferView &&
return this->bufferView == other.bufferView this->component == other.component && this->extras == other.extras &&
&& this->component == other.component this->height == other.height && this->image == other.image &&
&& this->extras == other.extras this->mimeType == other.mimeType && this->name == other.name &&
&& this->height == other.height this->uri == other.uri && this->width == other.width;
&& this->image == other.image
&& this->mimeType == other.mimeType
&& this->name == other.name
&& this->uri == other.uri
&& this->width == other.width;
} }
bool Light::operator==(const Light& other) const bool Light::operator==(const Light &other) const {
{ return Equals(this->color, other.color) && this->name == other.name &&
return Equals(this->color, other.color) this->type == other.type;
&& this->name == other.name
&& this->type == other.type;
} }
bool Material::operator==(const Material& other) const bool Material::operator==(const Material &other) const {
{ return this->additionalValues == other.additionalValues &&
return this->additionalValues == other.additionalValues this->extensions == other.extensions && this->extras == other.extras &&
&& this->extensions == other.extensions this->name == other.name && this->values == other.values;
&& this->extras == other.extras
&& this->name == other.name
&& this->values == other.values;
} }
bool Mesh::operator==(const Mesh& other) const bool Mesh::operator==(const Mesh &other) const {
{ return this->extensions == other.extensions && this->extras == other.extras &&
return this->extensions == other.extensions this->name == other.name && this->primitives == other.primitives &&
&& this->extras == other.extras this->targets == other.targets && Equals(this->weights, other.weights);
&& this->name == other.name
&& this->primitives == other.primitives
&& this->targets == other.targets
&& Equals(this->weights, other.weights);
} }
bool Model::operator==(const Model& other) const bool Model::operator==(const Model &other) const {
{ return this->accessors == other.accessors &&
return this->accessors == other.accessors this->animations == other.animations && this->asset == other.asset &&
&& this->animations == other.animations this->buffers == other.buffers &&
&& this->asset == other.asset this->bufferViews == other.bufferViews &&
&& this->buffers == other.buffers this->cameras == other.cameras &&
&& this->bufferViews == other.bufferViews this->defaultScene == other.defaultScene &&
&& this->cameras == other.cameras this->extensions == other.extensions &&
&& this->defaultScene == other.defaultScene this->extensionsRequired == other.extensionsRequired &&
&& this->extensions == other.extensions this->extensionsUsed == other.extensionsUsed &&
&& this->extensionsRequired == other.extensionsRequired this->extras == other.extras && this->images == other.images &&
&& this->extensionsUsed == other.extensionsUsed this->lights == other.lights && this->materials == other.materials &&
&& this->extras == other.extras this->meshes == other.meshes && this->nodes == other.nodes &&
&& this->images == other.images this->samplers == other.samplers && this->scenes == other.scenes &&
&& this->lights == other.lights this->skins == other.skins && this->textures == other.textures;
&& this->materials == other.materials
&& this->meshes == other.meshes
&& this->nodes == other.nodes
&& this->samplers == other.samplers
&& this->scenes == other.scenes
&& this->skins == other.skins
&& this->textures == other.textures;
} }
bool Node::operator==(const Node& other) const bool Node::operator==(const Node &other) const {
{ return this->camera == other.camera && this->children == other.children &&
return this->camera == other.camera this->extensions == other.extensions && this->extras == other.extras &&
&& this->children == other.children Equals(this->matrix, other.matrix) && this->mesh == other.mesh &&
&& this->extensions == other.extensions this->name == other.name && Equals(this->rotation, other.rotation) &&
&& this->extras == other.extras Equals(this->scale, other.scale) && this->skin == other.skin &&
&& Equals(this->matrix, other.matrix) Equals(this->translation, other.translation) &&
&& this->mesh == other.mesh Equals(this->weights, other.weights);
&& this->name == other.name
&& Equals(this->rotation, other.rotation)
&& Equals(this->scale, other.scale)
&& this->skin == other.skin
&& Equals(this->translation, other.translation)
&& Equals(this->weights, other.weights);
} }
bool OrthographicCamera::operator==(const OrthographicCamera& other) const bool OrthographicCamera::operator==(const OrthographicCamera &other) const {
{ return this->extensions == other.extensions && this->extras == other.extras &&
return this->extensions == other.extensions TINYGLTF_DOUBLE_EQUAL(this->xmag, other.xmag) &&
&& this->extras == other.extras TINYGLTF_DOUBLE_EQUAL(this->ymag, other.ymag) &&
&& TINYGLTF_DOUBLE_EQUAL(this->xmag, other.xmag) TINYGLTF_DOUBLE_EQUAL(this->zfar, other.zfar) &&
&& TINYGLTF_DOUBLE_EQUAL(this->ymag, other.ymag) TINYGLTF_DOUBLE_EQUAL(this->znear, other.znear);
&& TINYGLTF_DOUBLE_EQUAL(this->zfar, other.zfar)
&& TINYGLTF_DOUBLE_EQUAL(this->znear, other.znear);
} }
bool Parameter::operator==(const Parameter& other) const bool Parameter::operator==(const Parameter &other) const {
{ if (this->bool_value != other.bool_value ||
if (this->bool_value != other.bool_value this->has_number_value != other.has_number_value)
|| this->has_number_value != other.has_number_value)
return false; return false;
if (this->has_number_value) if (this->has_number_value)
@ -1312,76 +1251,53 @@ bool Parameter::operator==(const Parameter& other) const
if (this->json_double_value.size() != other.json_double_value.size()) if (this->json_double_value.size() != other.json_double_value.size())
return false; return false;
for (auto& it : this->json_double_value) for (auto &it : this->json_double_value) {
{
auto otherIt = other.json_double_value.find(it.first); auto otherIt = other.json_double_value.find(it.first);
if (otherIt==other.json_double_value.end()) if (otherIt == other.json_double_value.end()) return false;
return false;
if(!TINYGLTF_DOUBLE_EQUAL(it.second, otherIt->second)) if (!TINYGLTF_DOUBLE_EQUAL(it.second, otherIt->second)) return false;
return false;
} }
if (!Equals(this->number_array, other.number_array)) if (!Equals(this->number_array, other.number_array)) return false;
return false;
if (this->string_value != other.string_value) if (this->string_value != other.string_value) return false;
return false;
return true; return true;
} }
bool PerspectiveCamera::operator==(const PerspectiveCamera& other) const bool PerspectiveCamera::operator==(const PerspectiveCamera &other) const {
{ return TINYGLTF_DOUBLE_EQUAL(this->aspectRatio, other.aspectRatio) &&
return TINYGLTF_DOUBLE_EQUAL(this->aspectRatio, other.aspectRatio) this->extensions == other.extensions && this->extras == other.extras &&
&& this->extensions == other.extensions TINYGLTF_DOUBLE_EQUAL(this->yfov, other.yfov) &&
&& this->extras == other.extras TINYGLTF_DOUBLE_EQUAL(this->zfar, other.zfar) &&
&& TINYGLTF_DOUBLE_EQUAL(this->yfov, other.yfov) TINYGLTF_DOUBLE_EQUAL(this->znear, other.znear);
&& TINYGLTF_DOUBLE_EQUAL(this->zfar, other.zfar)
&& TINYGLTF_DOUBLE_EQUAL(this->znear, other.znear);
} }
bool Primitive::operator==(const Primitive& other) const bool Primitive::operator==(const Primitive &other) const {
{ return this->attributes == other.attributes && this->extras == other.extras &&
return this->attributes == other.attributes this->indices == other.indices && this->material == other.material &&
&& this->extras == other.extras this->mode == other.mode && this->targets == other.targets;
&& this->indices == other.indices
&& this->material == other.material
&& this->mode == other.mode
&& this->targets == other.targets;
} }
bool Sampler::operator==(const Sampler& other) const bool Sampler::operator==(const Sampler &other) const {
{ return this->extras == other.extras && this->magFilter == other.magFilter &&
return this->extras == other.extras this->minFilter == other.minFilter && this->name == other.name &&
&& this->magFilter == other.magFilter this->wrapR == other.wrapR && this->wrapS == other.wrapS &&
&& this->minFilter == other.minFilter this->wrapT == other.wrapT;
&& this->name == other.name
&& this->wrapR == other.wrapR
&& this->wrapS == other.wrapS
&& this->wrapT == other.wrapT;
} }
bool Scene::operator==(const Scene& other) const bool Scene::operator==(const Scene &other) const {
{ return this->extensions == other.extensions && this->extras == other.extras &&
return this->extensions == other.extensions this->name == other.name && this->nodes == other.nodes;
&& this->extras == other.extras ;
&& this->name == other.name
&& this->nodes == other.nodes;;
} }
bool Skin::operator==(const Skin& other) const bool Skin::operator==(const Skin &other) const {
{ return this->inverseBindMatrices == other.inverseBindMatrices &&
return this->inverseBindMatrices == other.inverseBindMatrices this->joints == other.joints && this->name == other.name &&
&& this->joints == other.joints this->skeleton == other.skeleton;
&& this->name == other.name
&& this->skeleton == other.skeleton;
} }
bool Texture::operator==(const Texture& other) const bool Texture::operator==(const Texture &other) const {
{ return this->extensions == other.extensions && this->extras == other.extras &&
return this->extensions == other.extensions this->name == other.name && this->sampler == other.sampler &&
&& this->extras == other.extras this->source == other.source;
&& this->name == other.name
&& this->sampler == other.sampler
&& this->source == other.source;
} }
bool Value::operator==(const Value& other) const bool Value::operator==(const Value &other) const {
{
return Equals(*this, other); return Equals(*this, other);
} }
@ -1588,8 +1504,8 @@ std::string base64_decode(std::string const &encoded_string) {
static bool LoadExternalFile(std::vector<unsigned char> *out, std::string *err, static bool LoadExternalFile(std::vector<unsigned char> *out, std::string *err,
std::string *warn, const std::string &filename, std::string *warn, const std::string &filename,
const std::string &basedir, bool required, size_t reqBytes, const std::string &basedir, bool required,
bool checkSize, FsCallbacks *fs) { size_t reqBytes, bool checkSize, FsCallbacks *fs) {
if (fs == nullptr || fs->FileExists == nullptr || if (fs == nullptr || fs->FileExists == nullptr ||
fs->ExpandFilePath == nullptr || fs->ReadWholeFile == nullptr) { fs->ExpandFilePath == nullptr || fs->ReadWholeFile == nullptr) {
// This is a developer error, assert() ? // This is a developer error, assert() ?
@ -1621,7 +1537,8 @@ static bool LoadExternalFile(std::vector<unsigned char> *out, std::string *err,
fs->ReadWholeFile(&buf, &fileReadErr, filepath, fs->user_data); fs->ReadWholeFile(&buf, &fileReadErr, filepath, fs->user_data);
if (!fileRead) { if (!fileRead) {
if (failMsgOut) { if (failMsgOut) {
(*failMsgOut) += "File read error : " + filepath + " : " + fileReadErr + "\n"; (*failMsgOut) +=
"File read error : " + filepath + " : " + fileReadErr + "\n";
} }
return false; return false;
} }
@ -1676,7 +1593,8 @@ bool LoadImageData(Image *image, std::string *err, std::string *warn,
// image->uri references // image->uri references
// an image file, it should be left as it is. Image loading should not be // an image file, it should be left as it is. Image loading should not be
// mandatory (to support other formats) // mandatory (to support other formats)
unsigned char *data = stbi_load_from_memory(bytes, size, &w, &h, &comp, req_comp); unsigned char *data =
stbi_load_from_memory(bytes, size, &w, &h, &comp, req_comp);
if (!data) { if (!data) {
// NOTE: you can use `warn` instead of `err` // NOTE: you can use `warn` instead of `err`
if (err) { if (err) {
@ -1749,18 +1667,25 @@ bool WriteImageData(const std::string *basepath, const std::string *filename,
std::vector<unsigned char> data; std::vector<unsigned char> data;
if (ext == "png") { if (ext == "png") {
stbi_write_png_to_func(WriteToMemory_stbi, &data, image->width, if (!stbi_write_png_to_func(WriteToMemory_stbi, &data, image->width,
image->height, image->component, &image->image[0], image->height, image->component,
0); &image->image[0], 0)) {
return false;
}
header = "data:image/png;base64,"; header = "data:image/png;base64,";
} else if (ext == "jpg") { } else if (ext == "jpg") {
stbi_write_jpg_to_func(WriteToMemory_stbi, &data, image->width, if (!stbi_write_jpg_to_func(WriteToMemory_stbi, &data, image->width,
image->height, image->component, &image->image[0], image->height, image->component,
100); &image->image[0], 100)) {
return false;
}
header = "data:image/jpeg;base64,"; header = "data:image/jpeg;base64,";
} else if (ext == "bmp") { } else if (ext == "bmp") {
stbi_write_bmp_to_func(WriteToMemory_stbi, &data, image->width, if (!stbi_write_bmp_to_func(WriteToMemory_stbi, &data, image->width,
image->height, image->component, &image->image[0]); image->height, image->component,
&image->image[0])) {
return false;
}
header = "data:image/bmp;base64,"; header = "data:image/bmp;base64,";
} else if (!embedImages) { } else if (!embedImages) {
// Error: can't output requested format to file // Error: can't output requested format to file
@ -1785,6 +1710,7 @@ bool WriteImageData(const std::string *basepath, const std::string *filename,
if (!fs->WriteWholeFile(&writeError, imagefilepath, data, if (!fs->WriteWholeFile(&writeError, imagefilepath, data,
fs->user_data)) { fs->user_data)) {
// Could not write image file to disc; Throw error ? // Could not write image file to disc; Throw error ?
return false;
} }
} else { } else {
// Throw error? // Throw error?
@ -2011,9 +1937,8 @@ bool IsDataURI(const std::string &in) {
return false; return false;
} }
bool DecodeDataURI(std::vector<unsigned char> *out, bool DecodeDataURI(std::vector<unsigned char> *out, std::string &mime_type,
std::string &mime_type, const std::string &in, const std::string &in, size_t reqBytes, bool checkSize) {
size_t reqBytes, bool checkSize) {
std::string header = "data:application/octet-stream;base64,"; std::string header = "data:application/octet-stream;base64,";
std::string data; std::string data;
if (in.find(header) == 0) { if (in.find(header) == 0) {
@ -2626,8 +2551,8 @@ static bool ParseBuffer(Buffer *buffer, std::string *err, const json &o,
} }
} else { } else {
// External .bin file. // External .bin file.
if (!LoadExternalFile(&buffer->data, err, /* warn */ nullptr, buffer->uri, if (!LoadExternalFile(&buffer->data, err, /* warn */ nullptr,
basedir, true, bytes, true, fs)) { buffer->uri, basedir, true, bytes, true, fs)) {
return false; return false;
} }
} }
@ -4263,7 +4188,8 @@ static void SerializeGltfAnimationSampler(AnimationSampler &sampler, json &o) {
} }
static void SerializeGltfAnimation(Animation &animation, json &o) { static void SerializeGltfAnimation(Animation &animation, json &o) {
if(!animation.name.empty()) SerializeStringProperty("name", animation.name, o); if (!animation.name.empty())
SerializeStringProperty("name", animation.name, o);
json channels; json channels;
for (unsigned int i = 0; i < animation.channels.size(); ++i) { for (unsigned int i = 0; i < animation.channels.size(); ++i) {
json channel; json channel;