308 lines
14 KiB
C++
308 lines
14 KiB
C++
/*************************************************************************/
|
|
/* pivot_transform.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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 "pivot_transform.h"
|
|
|
|
#include "tools/import_utils.h"
|
|
|
|
void PivotTransform::ReadTransformChain() {
|
|
const FBXDocParser::PropertyTable *props = fbx_model;
|
|
const FBXDocParser::Model::RotOrder &rot = fbx_model->RotationOrder();
|
|
const FBXDocParser::TransformInheritance &inheritType = fbx_model->InheritType();
|
|
inherit_type = inheritType; // copy the inherit type we need it in the second step.
|
|
print_verbose("Model: " + String(fbx_model->Name().c_str()) + " Has inherit type: " + itos(fbx_model->InheritType()));
|
|
bool ok = false;
|
|
raw_pre_rotation = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "PreRotation", ok));
|
|
if (ok) {
|
|
pre_rotation = ImportUtils::EulerToQuaternion(rot, ImportUtils::deg2rad(raw_pre_rotation));
|
|
print_verbose("valid pre_rotation: " + raw_pre_rotation + " euler conversion: " + (pre_rotation.get_euler() * (180 / Math_PI)));
|
|
}
|
|
raw_post_rotation = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "PostRotation", ok));
|
|
if (ok) {
|
|
post_rotation = ImportUtils::EulerToQuaternion(FBXDocParser::Model::RotOrder_EulerXYZ, ImportUtils::deg2rad(raw_post_rotation));
|
|
print_verbose("valid post_rotation: " + raw_post_rotation + " euler conversion: " + (pre_rotation.get_euler() * (180 / Math_PI)));
|
|
}
|
|
const Vector3 &RotationPivot = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "RotationPivot", ok));
|
|
if (ok) {
|
|
rotation_pivot = ImportUtils::FixAxisConversions(RotationPivot);
|
|
}
|
|
const Vector3 &RotationOffset = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "RotationOffset", ok));
|
|
if (ok) {
|
|
rotation_offset = ImportUtils::FixAxisConversions(RotationOffset);
|
|
}
|
|
const Vector3 &ScalingOffset = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "ScalingOffset", ok));
|
|
if (ok) {
|
|
scaling_offset = ImportUtils::FixAxisConversions(ScalingOffset);
|
|
}
|
|
const Vector3 &ScalingPivot = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "ScalingPivot", ok));
|
|
if (ok) {
|
|
scaling_pivot = ImportUtils::FixAxisConversions(ScalingPivot);
|
|
}
|
|
const Vector3 &Translation = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "Lcl Translation", ok));
|
|
if (ok) {
|
|
translation = ImportUtils::FixAxisConversions(Translation);
|
|
}
|
|
raw_rotation = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "Lcl Rotation", ok));
|
|
if (ok) {
|
|
rotation = ImportUtils::EulerToQuaternion(rot, ImportUtils::deg2rad(raw_rotation));
|
|
}
|
|
const Vector3 &Scaling = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "Lcl Scaling", ok));
|
|
if (ok) {
|
|
scaling = Scaling;
|
|
} else {
|
|
scaling = Vector3(1, 1, 1);
|
|
}
|
|
const Vector3 &GeometricScaling = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "GeometricScaling", ok));
|
|
if (ok) {
|
|
geometric_scaling = GeometricScaling;
|
|
} else {
|
|
geometric_scaling = Vector3(1, 1, 1);
|
|
}
|
|
|
|
const Vector3 &GeometricRotation = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "GeometricRotation", ok));
|
|
if (ok) {
|
|
geometric_rotation = ImportUtils::EulerToQuaternion(rot, ImportUtils::deg2rad(GeometricRotation));
|
|
} else {
|
|
geometric_rotation = Quat();
|
|
}
|
|
|
|
const Vector3 &GeometricTranslation = ImportUtils::safe_import_vector3(FBXDocParser::PropertyGet<Vector3>(props, "GeometricTranslation", ok));
|
|
if (ok) {
|
|
geometric_translation = ImportUtils::FixAxisConversions(GeometricTranslation);
|
|
} else {
|
|
geometric_translation = Vector3(0, 0, 0);
|
|
}
|
|
|
|
if (geometric_rotation != Quat()) {
|
|
print_error("geometric rotation is unsupported!");
|
|
//CRASH_COND(true);
|
|
}
|
|
|
|
if (!geometric_scaling.is_equal_approx(Vector3(1, 1, 1))) {
|
|
print_error("geometric scaling is unsupported!");
|
|
//CRASH_COND(true);
|
|
}
|
|
|
|
if (!geometric_translation.is_equal_approx(Vector3(0, 0, 0))) {
|
|
print_error("geometric translation is unsupported.");
|
|
//CRASH_COND(true);
|
|
}
|
|
}
|
|
|
|
Transform3D PivotTransform::ComputeLocalTransform(Vector3 p_translation, Quat p_rotation, Vector3 p_scaling) const {
|
|
Transform3D T, Roff, Rp, Soff, Sp, S;
|
|
|
|
// Here I assume this is the operation which needs done.
|
|
// Its WorldTransform * V
|
|
|
|
// Origin pivots
|
|
T.set_origin(p_translation);
|
|
Roff.set_origin(rotation_offset);
|
|
Rp.set_origin(rotation_pivot);
|
|
Soff.set_origin(scaling_offset);
|
|
Sp.set_origin(scaling_pivot);
|
|
|
|
// Scaling node
|
|
S.scale(p_scaling);
|
|
// Rotation pivots
|
|
Transform3D Rpre = Transform3D(pre_rotation);
|
|
Transform3D R = Transform3D(p_rotation);
|
|
Transform3D Rpost = Transform3D(post_rotation);
|
|
|
|
return T * Roff * Rp * Rpre * R * Rpost.affine_inverse() * Rp.affine_inverse() * Soff * Sp * S * Sp.affine_inverse();
|
|
}
|
|
|
|
Transform3D PivotTransform::ComputeGlobalTransform(Transform3D t) const {
|
|
Vector3 pos = t.origin;
|
|
Vector3 scale = t.basis.get_scale();
|
|
Quat rot = t.basis.get_rotation_quat();
|
|
return ComputeGlobalTransform(pos, rot, scale);
|
|
}
|
|
|
|
Transform3D PivotTransform::ComputeLocalTransform(Transform3D t) const {
|
|
Vector3 pos = t.origin;
|
|
Vector3 scale = t.basis.get_scale();
|
|
Quat rot = t.basis.get_rotation_quat();
|
|
return ComputeLocalTransform(pos, rot, scale);
|
|
}
|
|
|
|
Transform3D PivotTransform::ComputeGlobalTransform(Vector3 p_translation, Quat p_rotation, Vector3 p_scaling) const {
|
|
Transform3D T, Roff, Rp, Soff, Sp, S;
|
|
|
|
// Here I assume this is the operation which needs done.
|
|
// Its WorldTransform * V
|
|
|
|
// Origin pivots
|
|
T.set_origin(p_translation);
|
|
Roff.set_origin(rotation_offset);
|
|
Rp.set_origin(rotation_pivot);
|
|
Soff.set_origin(scaling_offset);
|
|
Sp.set_origin(scaling_pivot);
|
|
|
|
// Scaling node
|
|
S.scale(p_scaling);
|
|
|
|
// Rotation pivots
|
|
Transform3D Rpre = Transform3D(pre_rotation);
|
|
Transform3D R = Transform3D(p_rotation);
|
|
Transform3D Rpost = Transform3D(post_rotation);
|
|
|
|
Transform3D parent_global_xform;
|
|
Transform3D parent_local_scaling_m;
|
|
|
|
if (parent_transform.is_valid()) {
|
|
parent_global_xform = parent_transform->GlobalTransform;
|
|
parent_local_scaling_m = parent_transform->Local_Scaling_Matrix;
|
|
}
|
|
|
|
Transform3D local_rotation_m, parent_global_rotation_m;
|
|
Quat parent_global_rotation = parent_global_xform.basis.get_rotation_quat();
|
|
parent_global_rotation_m.basis.set_quat(parent_global_rotation);
|
|
local_rotation_m = Rpre * R * Rpost;
|
|
|
|
//Basis parent_global_rotation = Basis(parent_global_xform.get_basis().get_rotation_quat().normalized());
|
|
|
|
Transform3D local_shear_scaling, parent_shear_scaling, parent_shear_rotation, parent_shear_translation;
|
|
Vector3 parent_translation = parent_global_xform.get_origin();
|
|
parent_shear_translation.origin = parent_translation;
|
|
parent_shear_rotation = parent_shear_translation.affine_inverse() * parent_global_xform;
|
|
parent_shear_scaling = parent_global_rotation_m.affine_inverse() * parent_shear_rotation;
|
|
local_shear_scaling = S;
|
|
|
|
// Inherit type handler - we don't care about T here, just reordering RSrs etc.
|
|
Transform3D global_rotation_scale;
|
|
if (inherit_type == FBXDocParser::Transform_RrSs) {
|
|
global_rotation_scale = parent_global_rotation_m * local_rotation_m * parent_shear_scaling * local_shear_scaling;
|
|
} else if (inherit_type == FBXDocParser::Transform_RSrs) {
|
|
global_rotation_scale = parent_global_rotation_m * parent_shear_scaling * local_rotation_m * local_shear_scaling;
|
|
} else if (inherit_type == FBXDocParser::Transform_Rrs) {
|
|
Transform3D parent_global_shear_m_noLocal = parent_shear_scaling * parent_local_scaling_m.affine_inverse();
|
|
global_rotation_scale = parent_global_rotation_m * local_rotation_m * parent_global_shear_m_noLocal * local_shear_scaling;
|
|
}
|
|
Transform3D local_transform = T * Roff * Rp * Rpre * R * Rpost.affine_inverse() * Rp.affine_inverse() * Soff * Sp * S * Sp.affine_inverse();
|
|
//Transform3D local_translation_pivoted = Transform3D(Basis(), LocalTransform.origin);
|
|
|
|
ERR_FAIL_COND_V_MSG(local_transform.basis.determinant() == 0, Transform3D(), "Det == 0 prevented in scene file");
|
|
|
|
// manual hack to force SSC not to be compensated for - until we can handle it properly with tests
|
|
return parent_global_xform * local_transform;
|
|
}
|
|
|
|
void PivotTransform::ComputePivotTransform() {
|
|
Transform3D T, Roff, Rp, Soff, Sp, S;
|
|
|
|
// Here I assume this is the operation which needs done.
|
|
// Its WorldTransform * V
|
|
|
|
// Origin pivots
|
|
T.set_origin(translation);
|
|
Roff.set_origin(rotation_offset);
|
|
Rp.set_origin(rotation_pivot);
|
|
Soff.set_origin(scaling_offset);
|
|
Sp.set_origin(scaling_pivot);
|
|
|
|
// Scaling node
|
|
if (!scaling.is_equal_approx(Vector3())) {
|
|
S.scale(scaling);
|
|
} else {
|
|
S.scale(Vector3(1, 1, 1));
|
|
}
|
|
Local_Scaling_Matrix = S; // copy for when node / child is looking for the value of this.
|
|
|
|
// Rotation pivots
|
|
Transform3D Rpre = Transform3D(pre_rotation);
|
|
Transform3D R = Transform3D(rotation);
|
|
Transform3D Rpost = Transform3D(post_rotation);
|
|
|
|
Transform3D parent_global_xform;
|
|
Transform3D parent_local_scaling_m;
|
|
|
|
if (parent_transform.is_valid()) {
|
|
parent_global_xform = parent_transform->GlobalTransform;
|
|
parent_local_scaling_m = parent_transform->Local_Scaling_Matrix;
|
|
}
|
|
|
|
Transform3D local_rotation_m, parent_global_rotation_m;
|
|
Quat parent_global_rotation = parent_global_xform.basis.get_rotation_quat();
|
|
parent_global_rotation_m.basis.set_quat(parent_global_rotation);
|
|
local_rotation_m = Rpre * R * Rpost;
|
|
|
|
//Basis parent_global_rotation = Basis(parent_global_xform.get_basis().get_rotation_quat().normalized());
|
|
|
|
Transform3D local_shear_scaling, parent_shear_scaling, parent_shear_rotation, parent_shear_translation;
|
|
Vector3 parent_translation = parent_global_xform.get_origin();
|
|
parent_shear_translation.origin = parent_translation;
|
|
parent_shear_rotation = parent_shear_translation.affine_inverse() * parent_global_xform;
|
|
parent_shear_scaling = parent_global_rotation_m.affine_inverse() * parent_shear_rotation;
|
|
local_shear_scaling = S;
|
|
|
|
// Inherit type handler - we don't care about T here, just reordering RSrs etc.
|
|
Transform3D global_rotation_scale;
|
|
if (inherit_type == FBXDocParser::Transform_RrSs) {
|
|
global_rotation_scale = parent_global_rotation_m * local_rotation_m * parent_shear_scaling * local_shear_scaling;
|
|
} else if (inherit_type == FBXDocParser::Transform_RSrs) {
|
|
global_rotation_scale = parent_global_rotation_m * parent_shear_scaling * local_rotation_m * local_shear_scaling;
|
|
} else if (inherit_type == FBXDocParser::Transform_Rrs) {
|
|
Transform3D parent_global_shear_m_noLocal = parent_shear_scaling * parent_local_scaling_m.inverse();
|
|
global_rotation_scale = parent_global_rotation_m * local_rotation_m * parent_global_shear_m_noLocal * local_shear_scaling;
|
|
}
|
|
LocalTransform = Transform3D();
|
|
LocalTransform = T * Roff * Rp * Rpre * R * Rpost.affine_inverse() * Rp.affine_inverse() * Soff * Sp * S * Sp.affine_inverse();
|
|
|
|
ERR_FAIL_COND_MSG(LocalTransform.basis.determinant() == 0, "invalid scale reset");
|
|
|
|
Transform3D local_translation_pivoted = Transform3D(Basis(), LocalTransform.origin);
|
|
GlobalTransform = Transform3D();
|
|
//GlobalTransform = parent_global_xform * LocalTransform;
|
|
Transform3D global_origin = Transform3D(Basis(), parent_translation);
|
|
GlobalTransform = (global_origin * local_translation_pivoted) * global_rotation_scale;
|
|
|
|
ImportUtils::debug_xform("local xform calculation", LocalTransform);
|
|
print_verbose("scale of node: " + S.basis.get_scale_local());
|
|
print_verbose("---------------------------------------------------------------");
|
|
}
|
|
|
|
void PivotTransform::Execute() {
|
|
ReadTransformChain();
|
|
ComputePivotTransform();
|
|
|
|
ImportUtils::debug_xform("global xform: ", GlobalTransform);
|
|
|
|
if (LocalTransform.basis.determinant() == 0) {
|
|
print_error("Serious det == 0!");
|
|
}
|
|
|
|
if (GlobalTransform.basis.determinant() == 0) {
|
|
print_error("Serious! node has det == 0!");
|
|
}
|
|
|
|
computed_global_xform = true;
|
|
}
|