mirror of
https://github.com/godotengine/godot.git
synced 2025-11-03 23:21:15 +00:00
140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (assimp)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2020, assimp team
|
|
|
|
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the following
|
|
conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
* Neither the name of the assimp team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the assimp team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
#include <assimp/scene.h>
|
|
|
|
aiNode::aiNode()
|
|
: mName("")
|
|
, mParent(nullptr)
|
|
, mNumChildren(0)
|
|
, mChildren(nullptr)
|
|
, mNumMeshes(0)
|
|
, mMeshes(nullptr)
|
|
, mMetaData(nullptr) {
|
|
// empty
|
|
}
|
|
|
|
aiNode::aiNode(const std::string& name)
|
|
: mName(name)
|
|
, mParent(nullptr)
|
|
, mNumChildren(0)
|
|
, mChildren(nullptr)
|
|
, mNumMeshes(0)
|
|
, mMeshes(nullptr)
|
|
, mMetaData(nullptr) {
|
|
// empty
|
|
}
|
|
|
|
/** Destructor */
|
|
aiNode::~aiNode() {
|
|
// delete all children recursively
|
|
// to make sure we won't crash if the data is invalid ...
|
|
if (mNumChildren && mChildren)
|
|
{
|
|
for (unsigned int a = 0; a < mNumChildren; a++)
|
|
delete mChildren[a];
|
|
}
|
|
delete[] mChildren;
|
|
delete[] mMeshes;
|
|
delete mMetaData;
|
|
}
|
|
|
|
const aiNode *aiNode::FindNode(const char* name) const {
|
|
if (nullptr == name) {
|
|
return nullptr;
|
|
}
|
|
if (!::strcmp(mName.data, name)) {
|
|
return this;
|
|
}
|
|
for (unsigned int i = 0; i < mNumChildren; ++i) {
|
|
const aiNode* const p = mChildren[i]->FindNode(name);
|
|
if (p) {
|
|
return p;
|
|
}
|
|
}
|
|
// there is definitely no sub-node with this name
|
|
return nullptr;
|
|
}
|
|
|
|
aiNode *aiNode::FindNode(const char* name) {
|
|
if (!::strcmp(mName.data, name))return this;
|
|
for (unsigned int i = 0; i < mNumChildren; ++i)
|
|
{
|
|
aiNode* const p = mChildren[i]->FindNode(name);
|
|
if (p) {
|
|
return p;
|
|
}
|
|
}
|
|
// there is definitely no sub-node with this name
|
|
return nullptr;
|
|
}
|
|
|
|
void aiNode::addChildren(unsigned int numChildren, aiNode **children) {
|
|
if (nullptr == children || 0 == numChildren) {
|
|
return;
|
|
}
|
|
|
|
for (unsigned int i = 0; i < numChildren; i++) {
|
|
aiNode *child = children[i];
|
|
if (nullptr != child) {
|
|
child->mParent = this;
|
|
}
|
|
}
|
|
|
|
if (mNumChildren > 0) {
|
|
aiNode **tmp = new aiNode*[mNumChildren];
|
|
::memcpy(tmp, mChildren, sizeof(aiNode*) * mNumChildren);
|
|
delete[] mChildren;
|
|
mChildren = new aiNode*[mNumChildren + numChildren];
|
|
::memcpy(mChildren, tmp, sizeof(aiNode*) * mNumChildren);
|
|
::memcpy(&mChildren[mNumChildren], children, sizeof(aiNode*)* numChildren);
|
|
mNumChildren += numChildren;
|
|
delete[] tmp;
|
|
}
|
|
else {
|
|
mChildren = new aiNode*[numChildren];
|
|
for (unsigned int i = 0; i < numChildren; i++) {
|
|
mChildren[i] = children[i];
|
|
}
|
|
mNumChildren = numChildren;
|
|
}
|
|
}
|