You've already forked godot
mirror of
https://github.com/godotengine/godot.git
synced 2025-11-04 12:00:25 +00:00
373 lines
16 KiB
C++
373 lines
16 KiB
C++
/**************************************************************************/
|
|
/* gltf_accessor.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "gltf_accessor.h"
|
|
#include "gltf_accessor.compat.inc"
|
|
|
|
#include "../gltf_state.h"
|
|
|
|
void GLTFAccessor::_bind_methods() {
|
|
BIND_ENUM_CONSTANT(TYPE_SCALAR);
|
|
BIND_ENUM_CONSTANT(TYPE_VEC2);
|
|
BIND_ENUM_CONSTANT(TYPE_VEC3);
|
|
BIND_ENUM_CONSTANT(TYPE_VEC4);
|
|
BIND_ENUM_CONSTANT(TYPE_MAT2);
|
|
BIND_ENUM_CONSTANT(TYPE_MAT3);
|
|
BIND_ENUM_CONSTANT(TYPE_MAT4);
|
|
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_NONE);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_SIGNED_BYTE);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_UNSIGNED_BYTE);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_SIGNED_SHORT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_UNSIGNED_SHORT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_SIGNED_INT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_UNSIGNED_INT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_SINGLE_FLOAT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_DOUBLE_FLOAT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_HALF_FLOAT);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_SIGNED_LONG);
|
|
BIND_ENUM_CONSTANT(COMPONENT_TYPE_UNSIGNED_LONG);
|
|
|
|
ClassDB::bind_static_method("GLTFAccessor", D_METHOD("from_dictionary", "dictionary"), &GLTFAccessor::from_dictionary);
|
|
ClassDB::bind_method(D_METHOD("to_dictionary"), &GLTFAccessor::to_dictionary);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_buffer_view"), &GLTFAccessor::get_buffer_view);
|
|
ClassDB::bind_method(D_METHOD("set_buffer_view", "buffer_view"), &GLTFAccessor::set_buffer_view);
|
|
ClassDB::bind_method(D_METHOD("get_byte_offset"), &GLTFAccessor::get_byte_offset);
|
|
ClassDB::bind_method(D_METHOD("set_byte_offset", "byte_offset"), &GLTFAccessor::set_byte_offset);
|
|
ClassDB::bind_method(D_METHOD("get_component_type"), &GLTFAccessor::get_component_type);
|
|
ClassDB::bind_method(D_METHOD("set_component_type", "component_type"), &GLTFAccessor::set_component_type);
|
|
ClassDB::bind_method(D_METHOD("get_normalized"), &GLTFAccessor::get_normalized);
|
|
ClassDB::bind_method(D_METHOD("set_normalized", "normalized"), &GLTFAccessor::set_normalized);
|
|
ClassDB::bind_method(D_METHOD("get_count"), &GLTFAccessor::get_count);
|
|
ClassDB::bind_method(D_METHOD("set_count", "count"), &GLTFAccessor::set_count);
|
|
ClassDB::bind_method(D_METHOD("get_accessor_type"), &GLTFAccessor::get_accessor_type);
|
|
ClassDB::bind_method(D_METHOD("set_accessor_type", "accessor_type"), &GLTFAccessor::set_accessor_type);
|
|
ClassDB::bind_method(D_METHOD("get_type"), &GLTFAccessor::get_type);
|
|
ClassDB::bind_method(D_METHOD("set_type", "type"), &GLTFAccessor::set_type);
|
|
ClassDB::bind_method(D_METHOD("get_min"), &GLTFAccessor::get_min);
|
|
ClassDB::bind_method(D_METHOD("set_min", "min"), &GLTFAccessor::set_min);
|
|
ClassDB::bind_method(D_METHOD("get_max"), &GLTFAccessor::get_max);
|
|
ClassDB::bind_method(D_METHOD("set_max", "max"), &GLTFAccessor::set_max);
|
|
ClassDB::bind_method(D_METHOD("get_sparse_count"), &GLTFAccessor::get_sparse_count);
|
|
ClassDB::bind_method(D_METHOD("set_sparse_count", "sparse_count"), &GLTFAccessor::set_sparse_count);
|
|
ClassDB::bind_method(D_METHOD("get_sparse_indices_buffer_view"), &GLTFAccessor::get_sparse_indices_buffer_view);
|
|
ClassDB::bind_method(D_METHOD("set_sparse_indices_buffer_view", "sparse_indices_buffer_view"), &GLTFAccessor::set_sparse_indices_buffer_view);
|
|
ClassDB::bind_method(D_METHOD("get_sparse_indices_byte_offset"), &GLTFAccessor::get_sparse_indices_byte_offset);
|
|
ClassDB::bind_method(D_METHOD("set_sparse_indices_byte_offset", "sparse_indices_byte_offset"), &GLTFAccessor::set_sparse_indices_byte_offset);
|
|
ClassDB::bind_method(D_METHOD("get_sparse_indices_component_type"), &GLTFAccessor::get_sparse_indices_component_type);
|
|
ClassDB::bind_method(D_METHOD("set_sparse_indices_component_type", "sparse_indices_component_type"), &GLTFAccessor::set_sparse_indices_component_type);
|
|
ClassDB::bind_method(D_METHOD("get_sparse_values_buffer_view"), &GLTFAccessor::get_sparse_values_buffer_view);
|
|
ClassDB::bind_method(D_METHOD("set_sparse_values_buffer_view", "sparse_values_buffer_view"), &GLTFAccessor::set_sparse_values_buffer_view);
|
|
ClassDB::bind_method(D_METHOD("get_sparse_values_byte_offset"), &GLTFAccessor::get_sparse_values_byte_offset);
|
|
ClassDB::bind_method(D_METHOD("set_sparse_values_byte_offset", "sparse_values_byte_offset"), &GLTFAccessor::set_sparse_values_byte_offset);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "buffer_view"), "set_buffer_view", "get_buffer_view"); // GLTFBufferViewIndex
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "byte_offset"), "set_byte_offset", "get_byte_offset"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "component_type"), "set_component_type", "get_component_type"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "normalized"), "set_normalized", "get_normalized"); // bool
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "count"), "set_count", "get_count"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "accessor_type"), "set_accessor_type", "get_accessor_type"); // GLTFAccessor::GLTFAccessorType
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "type", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_type", "get_type"); // Deprecated, int for GLTFAccessor::GLTFAccessorType
|
|
ADD_PROPERTY(PropertyInfo(Variant::PACKED_FLOAT64_ARRAY, "min"), "set_min", "get_min"); // Vector<real_t>
|
|
ADD_PROPERTY(PropertyInfo(Variant::PACKED_FLOAT64_ARRAY, "max"), "set_max", "get_max"); // Vector<real_t>
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_count"), "set_sparse_count", "get_sparse_count"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_indices_buffer_view"), "set_sparse_indices_buffer_view", "get_sparse_indices_buffer_view"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_indices_byte_offset"), "set_sparse_indices_byte_offset", "get_sparse_indices_byte_offset"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_indices_component_type"), "set_sparse_indices_component_type", "get_sparse_indices_component_type"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_values_buffer_view"), "set_sparse_values_buffer_view", "get_sparse_values_buffer_view"); // int
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_values_byte_offset"), "set_sparse_values_byte_offset", "get_sparse_values_byte_offset"); // int
|
|
}
|
|
|
|
// Property getters and setters.
|
|
|
|
GLTFBufferViewIndex GLTFAccessor::get_buffer_view() const {
|
|
return buffer_view;
|
|
}
|
|
|
|
void GLTFAccessor::set_buffer_view(GLTFBufferViewIndex p_buffer_view) {
|
|
buffer_view = p_buffer_view;
|
|
}
|
|
|
|
int64_t GLTFAccessor::get_byte_offset() const {
|
|
return byte_offset;
|
|
}
|
|
|
|
void GLTFAccessor::set_byte_offset(int64_t p_byte_offset) {
|
|
byte_offset = p_byte_offset;
|
|
}
|
|
|
|
GLTFAccessor::GLTFComponentType GLTFAccessor::get_component_type() const {
|
|
return component_type;
|
|
}
|
|
|
|
void GLTFAccessor::set_component_type(GLTFComponentType p_component_type) {
|
|
component_type = (GLTFComponentType)p_component_type;
|
|
}
|
|
|
|
bool GLTFAccessor::get_normalized() const {
|
|
return normalized;
|
|
}
|
|
|
|
void GLTFAccessor::set_normalized(bool p_normalized) {
|
|
normalized = p_normalized;
|
|
}
|
|
|
|
int64_t GLTFAccessor::get_count() const {
|
|
return count;
|
|
}
|
|
|
|
void GLTFAccessor::set_count(int64_t p_count) {
|
|
count = p_count;
|
|
}
|
|
|
|
GLTFAccessor::GLTFAccessorType GLTFAccessor::get_accessor_type() const {
|
|
return accessor_type;
|
|
}
|
|
|
|
void GLTFAccessor::set_accessor_type(GLTFAccessorType p_accessor_type) {
|
|
accessor_type = p_accessor_type;
|
|
}
|
|
|
|
int GLTFAccessor::get_type() const {
|
|
return (int)accessor_type;
|
|
}
|
|
|
|
void GLTFAccessor::set_type(int p_accessor_type) {
|
|
accessor_type = (GLTFAccessorType)p_accessor_type; // TODO: Register enum
|
|
}
|
|
|
|
Vector<double> GLTFAccessor::get_min() const {
|
|
return min;
|
|
}
|
|
|
|
void GLTFAccessor::set_min(Vector<double> p_min) {
|
|
min = p_min;
|
|
}
|
|
|
|
Vector<double> GLTFAccessor::get_max() const {
|
|
return max;
|
|
}
|
|
|
|
void GLTFAccessor::set_max(Vector<double> p_max) {
|
|
max = p_max;
|
|
}
|
|
|
|
int64_t GLTFAccessor::get_sparse_count() const {
|
|
return sparse_count;
|
|
}
|
|
|
|
void GLTFAccessor::set_sparse_count(int64_t p_sparse_count) {
|
|
sparse_count = p_sparse_count;
|
|
}
|
|
|
|
GLTFBufferViewIndex GLTFAccessor::get_sparse_indices_buffer_view() const {
|
|
return sparse_indices_buffer_view;
|
|
}
|
|
|
|
void GLTFAccessor::set_sparse_indices_buffer_view(GLTFBufferViewIndex p_sparse_indices_buffer_view) {
|
|
sparse_indices_buffer_view = p_sparse_indices_buffer_view;
|
|
}
|
|
|
|
int64_t GLTFAccessor::get_sparse_indices_byte_offset() const {
|
|
return sparse_indices_byte_offset;
|
|
}
|
|
|
|
void GLTFAccessor::set_sparse_indices_byte_offset(int64_t p_sparse_indices_byte_offset) {
|
|
sparse_indices_byte_offset = p_sparse_indices_byte_offset;
|
|
}
|
|
|
|
GLTFAccessor::GLTFComponentType GLTFAccessor::get_sparse_indices_component_type() const {
|
|
return sparse_indices_component_type;
|
|
}
|
|
|
|
void GLTFAccessor::set_sparse_indices_component_type(GLTFComponentType p_sparse_indices_component_type) {
|
|
sparse_indices_component_type = (GLTFComponentType)p_sparse_indices_component_type;
|
|
}
|
|
|
|
GLTFBufferViewIndex GLTFAccessor::get_sparse_values_buffer_view() const {
|
|
return sparse_values_buffer_view;
|
|
}
|
|
|
|
void GLTFAccessor::set_sparse_values_buffer_view(GLTFBufferViewIndex p_sparse_values_buffer_view) {
|
|
sparse_values_buffer_view = p_sparse_values_buffer_view;
|
|
}
|
|
|
|
int64_t GLTFAccessor::get_sparse_values_byte_offset() const {
|
|
return sparse_values_byte_offset;
|
|
}
|
|
|
|
void GLTFAccessor::set_sparse_values_byte_offset(int64_t p_sparse_values_byte_offset) {
|
|
sparse_values_byte_offset = p_sparse_values_byte_offset;
|
|
}
|
|
|
|
// Trivial helper functions.
|
|
|
|
GLTFAccessor::GLTFAccessorType GLTFAccessor::_get_accessor_type_from_str(const String &p_string) {
|
|
if (p_string == "SCALAR") {
|
|
return GLTFAccessor::TYPE_SCALAR;
|
|
}
|
|
if (p_string == "VEC2") {
|
|
return GLTFAccessor::TYPE_VEC2;
|
|
}
|
|
if (p_string == "VEC3") {
|
|
return GLTFAccessor::TYPE_VEC3;
|
|
}
|
|
if (p_string == "VEC4") {
|
|
return GLTFAccessor::TYPE_VEC4;
|
|
}
|
|
if (p_string == "MAT2") {
|
|
return GLTFAccessor::TYPE_MAT2;
|
|
}
|
|
if (p_string == "MAT3") {
|
|
return GLTFAccessor::TYPE_MAT3;
|
|
}
|
|
if (p_string == "MAT4") {
|
|
return GLTFAccessor::TYPE_MAT4;
|
|
}
|
|
ERR_FAIL_V(GLTFAccessor::TYPE_SCALAR);
|
|
}
|
|
|
|
String GLTFAccessor::_get_accessor_type_name() const {
|
|
switch (accessor_type) {
|
|
case GLTFAccessor::TYPE_SCALAR:
|
|
return "SCALAR";
|
|
case GLTFAccessor::TYPE_VEC2:
|
|
return "VEC2";
|
|
case GLTFAccessor::TYPE_VEC3:
|
|
return "VEC3";
|
|
case GLTFAccessor::TYPE_VEC4:
|
|
return "VEC4";
|
|
case GLTFAccessor::TYPE_MAT2:
|
|
return "MAT2";
|
|
case GLTFAccessor::TYPE_MAT3:
|
|
return "MAT3";
|
|
case GLTFAccessor::TYPE_MAT4:
|
|
return "MAT4";
|
|
default:
|
|
break;
|
|
}
|
|
ERR_FAIL_V("SCALAR");
|
|
}
|
|
|
|
// Dictionary conversion.
|
|
|
|
Ref<GLTFAccessor> GLTFAccessor::from_dictionary(const Dictionary &p_dict) {
|
|
// See https://github.com/KhronosGroup/glTF/blob/main/specification/2.0/schema/accessor.schema.json
|
|
Ref<GLTFAccessor> accessor;
|
|
accessor.instantiate();
|
|
if (p_dict.has("bufferView")) {
|
|
// bufferView is optional. If not present, the accessor is considered to be zero-initialized.
|
|
accessor->buffer_view = p_dict["bufferView"];
|
|
}
|
|
if (p_dict.has("byteOffset")) {
|
|
accessor->byte_offset = p_dict["byteOffset"];
|
|
}
|
|
if (p_dict.has("componentType")) {
|
|
accessor->component_type = (GLTFAccessor::GLTFComponentType)(int32_t)p_dict["componentType"];
|
|
}
|
|
if (p_dict.has("count")) {
|
|
accessor->count = p_dict["count"];
|
|
}
|
|
if (accessor->count <= 0) {
|
|
ERR_PRINT("glTF import: Invalid accessor count " + itos(accessor->count) + " for accessor. Accessor count must be greater than 0.");
|
|
}
|
|
if (p_dict.has("max")) {
|
|
accessor->max = p_dict["max"];
|
|
}
|
|
if (p_dict.has("min")) {
|
|
accessor->min = p_dict["min"];
|
|
}
|
|
if (p_dict.has("normalized")) {
|
|
accessor->normalized = p_dict["normalized"];
|
|
}
|
|
if (p_dict.has("sparse")) {
|
|
// See https://github.com/KhronosGroup/glTF/blob/main/specification/2.0/schema/accessor.sparse.schema.json
|
|
const Dictionary &sparse_dict = p_dict["sparse"];
|
|
ERR_FAIL_COND_V(!sparse_dict.has("count"), accessor);
|
|
accessor->sparse_count = sparse_dict["count"];
|
|
ERR_FAIL_COND_V(!sparse_dict.has("indices"), accessor);
|
|
const Dictionary &sparse_indices_dict = sparse_dict["indices"];
|
|
ERR_FAIL_COND_V(!sparse_indices_dict.has("bufferView"), accessor);
|
|
accessor->sparse_indices_buffer_view = sparse_indices_dict["bufferView"];
|
|
ERR_FAIL_COND_V(!sparse_indices_dict.has("componentType"), accessor);
|
|
accessor->sparse_indices_component_type = (GLTFAccessor::GLTFComponentType)(int32_t)sparse_indices_dict["componentType"];
|
|
if (sparse_indices_dict.has("byteOffset")) {
|
|
accessor->sparse_indices_byte_offset = sparse_indices_dict["byteOffset"];
|
|
}
|
|
ERR_FAIL_COND_V(!sparse_dict.has("values"), accessor);
|
|
const Dictionary &sparse_values_dict = sparse_dict["values"];
|
|
ERR_FAIL_COND_V(!sparse_values_dict.has("bufferView"), accessor);
|
|
accessor->sparse_values_buffer_view = sparse_values_dict["bufferView"];
|
|
if (sparse_values_dict.has("byteOffset")) {
|
|
accessor->sparse_values_byte_offset = sparse_values_dict["byteOffset"];
|
|
}
|
|
}
|
|
accessor->accessor_type = _get_accessor_type_from_str(p_dict["type"]);
|
|
return accessor;
|
|
}
|
|
|
|
Dictionary GLTFAccessor::to_dictionary() const {
|
|
Dictionary dict;
|
|
if (buffer_view != -1) {
|
|
// bufferView may be omitted to zero-initialize the buffer. When this happens, byteOffset MUST also be omitted.
|
|
if (byte_offset > 0) {
|
|
dict["byteOffset"] = byte_offset;
|
|
}
|
|
dict["bufferView"] = buffer_view;
|
|
}
|
|
dict["componentType"] = component_type;
|
|
dict["count"] = count;
|
|
dict["max"] = max;
|
|
dict["min"] = min;
|
|
dict["normalized"] = normalized;
|
|
dict["type"] = _get_accessor_type_name();
|
|
|
|
if (sparse_count > 0) {
|
|
Dictionary sparse_indices_dict;
|
|
sparse_indices_dict["bufferView"] = sparse_indices_buffer_view;
|
|
sparse_indices_dict["componentType"] = sparse_indices_component_type;
|
|
if (sparse_indices_byte_offset > 0) {
|
|
sparse_indices_dict["byteOffset"] = sparse_indices_byte_offset;
|
|
}
|
|
Dictionary sparse_values_dict;
|
|
sparse_values_dict["bufferView"] = sparse_values_buffer_view;
|
|
if (sparse_values_byte_offset > 0) {
|
|
sparse_values_dict["byteOffset"] = sparse_values_byte_offset;
|
|
}
|
|
Dictionary sparse_dict;
|
|
sparse_dict["count"] = sparse_count;
|
|
sparse_dict["indices"] = sparse_indices_dict;
|
|
sparse_dict["values"] = sparse_values_dict;
|
|
dict["sparse"] = sparse_dict;
|
|
}
|
|
return dict;
|
|
}
|