mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-07-15 00:24:40 +00:00
update assimp to 5.2.3 Bugfix-Release
This commit is contained in:
parent
3f796d2a06
commit
f297476092
1150 changed files with 165834 additions and 112019 deletions
744
Engine/lib/assimp/code/AssetLib/B3D/B3DImporter.cpp
Normal file
744
Engine/lib/assimp/code/AssetLib/B3D/B3DImporter.cpp
Normal file
|
|
@ -0,0 +1,744 @@
|
|||
/*
|
||||
---------------------------------------------------------------------------
|
||||
Open Asset Import Library (assimp)
|
||||
---------------------------------------------------------------------------
|
||||
|
||||
Copyright (c) 2006-2022, 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.
|
||||
---------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/** @file B3DImporter.cpp
|
||||
* @brief Implementation of the b3d importer class
|
||||
*/
|
||||
|
||||
#ifndef ASSIMP_BUILD_NO_B3D_IMPORTER
|
||||
|
||||
// internal headers
|
||||
#include "AssetLib/B3D/B3DImporter.h"
|
||||
#include "PostProcessing/ConvertToLHProcess.h"
|
||||
#include "PostProcessing/TextureTransform.h"
|
||||
|
||||
#include <assimp/StringUtils.h>
|
||||
#include <assimp/anim.h>
|
||||
#include <assimp/importerdesc.h>
|
||||
#include <assimp/scene.h>
|
||||
#include <assimp/DefaultLogger.hpp>
|
||||
#include <assimp/IOSystem.hpp>
|
||||
|
||||
#include <memory>
|
||||
|
||||
using namespace Assimp;
|
||||
using namespace std;
|
||||
|
||||
static const aiImporterDesc desc = {
|
||||
"BlitzBasic 3D Importer",
|
||||
"",
|
||||
"",
|
||||
"http://www.blitzbasic.com/",
|
||||
aiImporterFlags_SupportBinaryFlavour,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
"b3d"
|
||||
};
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#pragma warning(disable : 4018)
|
||||
#endif
|
||||
|
||||
//#define DEBUG_B3D
|
||||
|
||||
template<typename T>
|
||||
void DeleteAllBarePointers(std::vector<T> &x) {
|
||||
for (auto p : x) {
|
||||
delete p;
|
||||
}
|
||||
}
|
||||
|
||||
B3DImporter::~B3DImporter() {
|
||||
// empty
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
bool B3DImporter::CanRead(const std::string &pFile, IOSystem * /*pIOHandler*/, bool /*checkSig*/) const {
|
||||
size_t pos = pFile.find_last_of('.');
|
||||
if (pos == string::npos) {
|
||||
return false;
|
||||
}
|
||||
|
||||
string ext = pFile.substr(pos + 1);
|
||||
if (ext.size() != 3) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return (ext[0] == 'b' || ext[0] == 'B') && (ext[1] == '3') && (ext[2] == 'd' || ext[2] == 'D');
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
// Loader meta information
|
||||
const aiImporterDesc *B3DImporter::GetInfo() const {
|
||||
return &desc;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
|
||||
std::unique_ptr<IOStream> file(pIOHandler->Open(pFile));
|
||||
|
||||
// Check whether we can read from the file
|
||||
if (file.get() == nullptr) {
|
||||
throw DeadlyImportError("Failed to open B3D file ", pFile, ".");
|
||||
}
|
||||
|
||||
// check whether the .b3d file is large enough to contain
|
||||
// at least one chunk.
|
||||
size_t fileSize = file->FileSize();
|
||||
if (fileSize < 8) {
|
||||
throw DeadlyImportError("B3D File is too small.");
|
||||
}
|
||||
|
||||
_pos = 0;
|
||||
_buf.resize(fileSize);
|
||||
file->Read(&_buf[0], 1, fileSize);
|
||||
_stack.clear();
|
||||
|
||||
ReadBB3D(pScene);
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
AI_WONT_RETURN void B3DImporter::Oops() {
|
||||
throw DeadlyImportError("B3D Importer - INTERNAL ERROR");
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
AI_WONT_RETURN void B3DImporter::Fail(const string &str) {
|
||||
#ifdef DEBUG_B3D
|
||||
ASSIMP_LOG_ERROR("Error in B3D file data: ", str);
|
||||
#endif
|
||||
throw DeadlyImportError("B3D Importer - error in B3D file data: ", str);
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
int B3DImporter::ReadByte() {
|
||||
if (_pos > _buf.size()) {
|
||||
Fail("EOF");
|
||||
}
|
||||
|
||||
return _buf[_pos++];
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
int B3DImporter::ReadInt() {
|
||||
if (_pos + 4 > _buf.size()) {
|
||||
Fail("EOF");
|
||||
}
|
||||
|
||||
int n;
|
||||
memcpy(&n, &_buf[_pos], 4);
|
||||
_pos += 4;
|
||||
|
||||
return n;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
float B3DImporter::ReadFloat() {
|
||||
if (_pos + 4 > _buf.size()) {
|
||||
Fail("EOF");
|
||||
}
|
||||
|
||||
float n;
|
||||
memcpy(&n, &_buf[_pos], 4);
|
||||
_pos += 4;
|
||||
|
||||
return n;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
aiVector2D B3DImporter::ReadVec2() {
|
||||
float x = ReadFloat();
|
||||
float y = ReadFloat();
|
||||
return aiVector2D(x, y);
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
aiVector3D B3DImporter::ReadVec3() {
|
||||
float x = ReadFloat();
|
||||
float y = ReadFloat();
|
||||
float z = ReadFloat();
|
||||
return aiVector3D(x, y, z);
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
aiQuaternion B3DImporter::ReadQuat() {
|
||||
// (aramis_acg) Fix to adapt the loader to changed quat orientation
|
||||
float w = -ReadFloat();
|
||||
float x = ReadFloat();
|
||||
float y = ReadFloat();
|
||||
float z = ReadFloat();
|
||||
return aiQuaternion(w, x, y, z);
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
string B3DImporter::ReadString() {
|
||||
if (_pos > _buf.size()) {
|
||||
Fail("EOF");
|
||||
}
|
||||
string str;
|
||||
while (_pos < _buf.size()) {
|
||||
char c = (char)ReadByte();
|
||||
if (!c) {
|
||||
return str;
|
||||
}
|
||||
str += c;
|
||||
}
|
||||
return string();
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
string B3DImporter::ReadChunk() {
|
||||
string tag;
|
||||
for (int i = 0; i < 4; ++i) {
|
||||
tag += char(ReadByte());
|
||||
}
|
||||
#ifdef DEBUG_B3D
|
||||
ASSIMP_LOG_DEBUG("ReadChunk: ", tag);
|
||||
#endif
|
||||
unsigned sz = (unsigned)ReadInt();
|
||||
_stack.push_back(_pos + sz);
|
||||
return tag;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ExitChunk() {
|
||||
_pos = _stack.back();
|
||||
_stack.pop_back();
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
size_t B3DImporter::ChunkSize() {
|
||||
return _stack.back() - _pos;
|
||||
}
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
|
||||
template <class T>
|
||||
T *B3DImporter::to_array(const vector<T> &v) {
|
||||
if (v.empty()) {
|
||||
return 0;
|
||||
}
|
||||
T *p = new T[v.size()];
|
||||
for (size_t i = 0; i < v.size(); ++i) {
|
||||
p[i] = v[i];
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
template <class T>
|
||||
T **unique_to_array(vector<std::unique_ptr<T>> &v) {
|
||||
if (v.empty()) {
|
||||
return 0;
|
||||
}
|
||||
T **p = new T *[v.size()];
|
||||
for (size_t i = 0; i < v.size(); ++i) {
|
||||
p[i] = v[i].release();
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadTEXS() {
|
||||
while (ChunkSize()) {
|
||||
string name = ReadString();
|
||||
/*int flags=*/ReadInt();
|
||||
/*int blend=*/ReadInt();
|
||||
/*aiVector2D pos=*/ReadVec2();
|
||||
/*aiVector2D scale=*/ReadVec2();
|
||||
/*float rot=*/ReadFloat();
|
||||
|
||||
_textures.push_back(name);
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadBRUS() {
|
||||
int n_texs = ReadInt();
|
||||
if (n_texs < 0 || n_texs > 8) {
|
||||
Fail("Bad texture count");
|
||||
}
|
||||
while (ChunkSize()) {
|
||||
string name = ReadString();
|
||||
aiVector3D color = ReadVec3();
|
||||
float alpha = ReadFloat();
|
||||
float shiny = ReadFloat();
|
||||
/*int blend=**/ ReadInt();
|
||||
int fx = ReadInt();
|
||||
|
||||
std::unique_ptr<aiMaterial> mat(new aiMaterial);
|
||||
|
||||
// Name
|
||||
aiString ainame(name);
|
||||
mat->AddProperty(&ainame, AI_MATKEY_NAME);
|
||||
|
||||
// Diffuse color
|
||||
mat->AddProperty(&color, 1, AI_MATKEY_COLOR_DIFFUSE);
|
||||
|
||||
// Opacity
|
||||
mat->AddProperty(&alpha, 1, AI_MATKEY_OPACITY);
|
||||
|
||||
// Specular color
|
||||
aiColor3D speccolor(shiny, shiny, shiny);
|
||||
mat->AddProperty(&speccolor, 1, AI_MATKEY_COLOR_SPECULAR);
|
||||
|
||||
// Specular power
|
||||
float specpow = shiny * 128;
|
||||
mat->AddProperty(&specpow, 1, AI_MATKEY_SHININESS);
|
||||
|
||||
// Double sided
|
||||
if (fx & 0x10) {
|
||||
int i = 1;
|
||||
mat->AddProperty(&i, 1, AI_MATKEY_TWOSIDED);
|
||||
}
|
||||
|
||||
//Textures
|
||||
for (int i = 0; i < n_texs; ++i) {
|
||||
int texid = ReadInt();
|
||||
if (texid < -1 || (texid >= 0 && texid >= static_cast<int>(_textures.size()))) {
|
||||
Fail("Bad texture id");
|
||||
}
|
||||
if (i == 0 && texid >= 0) {
|
||||
aiString texname(_textures[texid]);
|
||||
mat->AddProperty(&texname, AI_MATKEY_TEXTURE_DIFFUSE(0));
|
||||
}
|
||||
}
|
||||
_materials.emplace_back(std::move(mat));
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadVRTS() {
|
||||
_vflags = ReadInt();
|
||||
_tcsets = ReadInt();
|
||||
_tcsize = ReadInt();
|
||||
if (_tcsets < 0 || _tcsets > 4 || _tcsize < 0 || _tcsize > 4) {
|
||||
Fail("Bad texcoord data");
|
||||
}
|
||||
|
||||
int sz = 12 + (_vflags & 1 ? 12 : 0) + (_vflags & 2 ? 16 : 0) + (_tcsets * _tcsize * 4);
|
||||
size_t n_verts = ChunkSize() / sz;
|
||||
|
||||
int v0 = static_cast<int>(_vertices.size());
|
||||
_vertices.resize(v0 + n_verts);
|
||||
|
||||
for (unsigned int i = 0; i < n_verts; ++i) {
|
||||
Vertex &v = _vertices[v0 + i];
|
||||
|
||||
memset(v.bones, 0, sizeof(v.bones));
|
||||
memset(v.weights, 0, sizeof(v.weights));
|
||||
|
||||
v.vertex = ReadVec3();
|
||||
|
||||
if (_vflags & 1) {
|
||||
v.normal = ReadVec3();
|
||||
}
|
||||
|
||||
if (_vflags & 2) {
|
||||
ReadQuat(); //skip v 4bytes...
|
||||
}
|
||||
|
||||
for (int j = 0; j < _tcsets; ++j) {
|
||||
float t[4] = { 0, 0, 0, 0 };
|
||||
for (int k = 0; k < _tcsize; ++k) {
|
||||
t[k] = ReadFloat();
|
||||
}
|
||||
t[1] = 1 - t[1];
|
||||
if (!j) {
|
||||
v.texcoords = aiVector3D(t[0], t[1], t[2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadTRIS(int v0) {
|
||||
int matid = ReadInt();
|
||||
if (matid == -1) {
|
||||
matid = 0;
|
||||
} else if (matid < 0 || matid >= (int)_materials.size()) {
|
||||
#ifdef DEBUG_B3D
|
||||
ASSIMP_LOG_ERROR("material id=", matid);
|
||||
#endif
|
||||
Fail("Bad material id");
|
||||
}
|
||||
|
||||
std::unique_ptr<aiMesh> mesh(new aiMesh);
|
||||
|
||||
mesh->mMaterialIndex = matid;
|
||||
mesh->mNumFaces = 0;
|
||||
mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
|
||||
|
||||
size_t n_tris = ChunkSize() / 12;
|
||||
aiFace *face = mesh->mFaces = new aiFace[n_tris];
|
||||
|
||||
for (unsigned int i = 0; i < n_tris; ++i) {
|
||||
int i0 = ReadInt() + v0;
|
||||
int i1 = ReadInt() + v0;
|
||||
int i2 = ReadInt() + v0;
|
||||
if (i0 < 0 || i0 >= (int)_vertices.size() || i1 < 0 || i1 >= (int)_vertices.size() || i2 < 0 || i2 >= (int)_vertices.size()) {
|
||||
#ifdef DEBUG_B3D
|
||||
ASSIMP_LOG_ERROR("Bad triangle index: i0=", i0, ", i1=", i1, ", i2=", i2);
|
||||
#endif
|
||||
Fail("Bad triangle index");
|
||||
continue;
|
||||
}
|
||||
face->mNumIndices = 3;
|
||||
face->mIndices = new unsigned[3];
|
||||
face->mIndices[0] = i0;
|
||||
face->mIndices[1] = i1;
|
||||
face->mIndices[2] = i2;
|
||||
++mesh->mNumFaces;
|
||||
++face;
|
||||
}
|
||||
|
||||
_meshes.emplace_back(std::move(mesh));
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadMESH() {
|
||||
/*int matid=*/ReadInt();
|
||||
|
||||
int v0 = static_cast<int>(_vertices.size());
|
||||
|
||||
while (ChunkSize()) {
|
||||
string t = ReadChunk();
|
||||
if (t == "VRTS") {
|
||||
ReadVRTS();
|
||||
} else if (t == "TRIS") {
|
||||
ReadTRIS(v0);
|
||||
}
|
||||
ExitChunk();
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadBONE(int id) {
|
||||
while (ChunkSize()) {
|
||||
int vertex = ReadInt();
|
||||
float weight = ReadFloat();
|
||||
if (vertex < 0 || vertex >= (int)_vertices.size()) {
|
||||
Fail("Bad vertex index");
|
||||
}
|
||||
|
||||
Vertex &v = _vertices[vertex];
|
||||
for (int i = 0; i < 4; ++i) {
|
||||
if (!v.weights[i]) {
|
||||
v.bones[i] = static_cast<unsigned char>(id);
|
||||
v.weights[i] = weight;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadKEYS(aiNodeAnim *nodeAnim) {
|
||||
vector<aiVectorKey> trans, scale;
|
||||
vector<aiQuatKey> rot;
|
||||
int flags = ReadInt();
|
||||
while (ChunkSize()) {
|
||||
int frame = ReadInt();
|
||||
if (flags & 1) {
|
||||
trans.push_back(aiVectorKey(frame, ReadVec3()));
|
||||
}
|
||||
if (flags & 2) {
|
||||
scale.push_back(aiVectorKey(frame, ReadVec3()));
|
||||
}
|
||||
if (flags & 4) {
|
||||
rot.push_back(aiQuatKey(frame, ReadQuat()));
|
||||
}
|
||||
}
|
||||
|
||||
if (flags & 1) {
|
||||
nodeAnim->mNumPositionKeys = static_cast<unsigned int>(trans.size());
|
||||
nodeAnim->mPositionKeys = to_array(trans);
|
||||
}
|
||||
|
||||
if (flags & 2) {
|
||||
nodeAnim->mNumScalingKeys = static_cast<unsigned int>(scale.size());
|
||||
nodeAnim->mScalingKeys = to_array(scale);
|
||||
}
|
||||
|
||||
if (flags & 4) {
|
||||
nodeAnim->mNumRotationKeys = static_cast<unsigned int>(rot.size());
|
||||
nodeAnim->mRotationKeys = to_array(rot);
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadANIM() {
|
||||
/*int flags=*/ReadInt();
|
||||
int frames = ReadInt();
|
||||
float fps = ReadFloat();
|
||||
|
||||
std::unique_ptr<aiAnimation> anim(new aiAnimation);
|
||||
|
||||
anim->mDuration = frames;
|
||||
anim->mTicksPerSecond = fps;
|
||||
_animations.emplace_back(std::move(anim));
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
aiNode *B3DImporter::ReadNODE(aiNode *parent) {
|
||||
|
||||
string name = ReadString();
|
||||
aiVector3D t = ReadVec3();
|
||||
aiVector3D s = ReadVec3();
|
||||
aiQuaternion r = ReadQuat();
|
||||
|
||||
aiMatrix4x4 trans, scale, rot;
|
||||
|
||||
aiMatrix4x4::Translation(t, trans);
|
||||
aiMatrix4x4::Scaling(s, scale);
|
||||
rot = aiMatrix4x4(r.GetMatrix());
|
||||
|
||||
aiMatrix4x4 tform = trans * rot * scale;
|
||||
|
||||
int nodeid = static_cast<int>(_nodes.size());
|
||||
|
||||
aiNode *node = new aiNode(name);
|
||||
_nodes.push_back(node);
|
||||
|
||||
node->mParent = parent;
|
||||
node->mTransformation = tform;
|
||||
|
||||
std::unique_ptr<aiNodeAnim> nodeAnim;
|
||||
vector<unsigned> meshes;
|
||||
vector<aiNode *> children;
|
||||
|
||||
while (ChunkSize()) {
|
||||
const string chunk = ReadChunk();
|
||||
if (chunk == "MESH") {
|
||||
unsigned int n = static_cast<unsigned int>(_meshes.size());
|
||||
ReadMESH();
|
||||
for (unsigned int i = n; i < static_cast<unsigned int>(_meshes.size()); ++i) {
|
||||
meshes.push_back(i);
|
||||
}
|
||||
} else if (chunk == "BONE") {
|
||||
ReadBONE(nodeid);
|
||||
} else if (chunk == "ANIM") {
|
||||
ReadANIM();
|
||||
} else if (chunk == "KEYS") {
|
||||
if (!nodeAnim) {
|
||||
nodeAnim.reset(new aiNodeAnim);
|
||||
nodeAnim->mNodeName = node->mName;
|
||||
}
|
||||
ReadKEYS(nodeAnim.get());
|
||||
} else if (chunk == "NODE") {
|
||||
aiNode *child = ReadNODE(node);
|
||||
children.push_back(child);
|
||||
}
|
||||
ExitChunk();
|
||||
}
|
||||
|
||||
if (nodeAnim) {
|
||||
_nodeAnims.emplace_back(std::move(nodeAnim));
|
||||
}
|
||||
|
||||
node->mNumMeshes = static_cast<unsigned int>(meshes.size());
|
||||
node->mMeshes = to_array(meshes);
|
||||
|
||||
node->mNumChildren = static_cast<unsigned int>(children.size());
|
||||
node->mChildren = to_array(children);
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
void B3DImporter::ReadBB3D(aiScene *scene) {
|
||||
|
||||
_textures.clear();
|
||||
|
||||
_materials.clear();
|
||||
|
||||
_vertices.clear();
|
||||
|
||||
_meshes.clear();
|
||||
|
||||
DeleteAllBarePointers(_nodes);
|
||||
_nodes.clear();
|
||||
|
||||
_nodeAnims.clear();
|
||||
|
||||
_animations.clear();
|
||||
|
||||
string t = ReadChunk();
|
||||
if (t == "BB3D") {
|
||||
int version = ReadInt();
|
||||
|
||||
if (!DefaultLogger::isNullLogger()) {
|
||||
char dmp[128];
|
||||
ai_snprintf(dmp, 128, "B3D file format version: %i", version);
|
||||
ASSIMP_LOG_INFO(dmp);
|
||||
}
|
||||
|
||||
while (ChunkSize()) {
|
||||
const string chunk = ReadChunk();
|
||||
if (chunk == "TEXS") {
|
||||
ReadTEXS();
|
||||
} else if (chunk == "BRUS") {
|
||||
ReadBRUS();
|
||||
} else if (chunk == "NODE") {
|
||||
ReadNODE(0);
|
||||
}
|
||||
ExitChunk();
|
||||
}
|
||||
}
|
||||
ExitChunk();
|
||||
|
||||
if (!_nodes.size()) {
|
||||
Fail("No nodes");
|
||||
}
|
||||
|
||||
if (!_meshes.size()) {
|
||||
Fail("No meshes");
|
||||
}
|
||||
|
||||
// Fix nodes/meshes/bones
|
||||
for (size_t i = 0; i < _nodes.size(); ++i) {
|
||||
aiNode *node = _nodes[i];
|
||||
|
||||
for (size_t j = 0; j < node->mNumMeshes; ++j) {
|
||||
aiMesh *mesh = _meshes[node->mMeshes[j]].get();
|
||||
|
||||
int n_tris = mesh->mNumFaces;
|
||||
int n_verts = mesh->mNumVertices = n_tris * 3;
|
||||
|
||||
aiVector3D *mv = mesh->mVertices = new aiVector3D[n_verts], *mn = 0, *mc = 0;
|
||||
if (_vflags & 1) {
|
||||
mn = mesh->mNormals = new aiVector3D[n_verts];
|
||||
}
|
||||
if (_tcsets) {
|
||||
mc = mesh->mTextureCoords[0] = new aiVector3D[n_verts];
|
||||
}
|
||||
|
||||
aiFace *face = mesh->mFaces;
|
||||
|
||||
vector<vector<aiVertexWeight>> vweights(_nodes.size());
|
||||
|
||||
for (int vertIdx = 0; vertIdx < n_verts; vertIdx += 3) {
|
||||
for (int faceIndex = 0; faceIndex < 3; ++faceIndex) {
|
||||
Vertex &v = _vertices[face->mIndices[faceIndex]];
|
||||
|
||||
*mv++ = v.vertex;
|
||||
if (mn) *mn++ = v.normal;
|
||||
if (mc) *mc++ = v.texcoords;
|
||||
|
||||
face->mIndices[faceIndex] = vertIdx + faceIndex;
|
||||
|
||||
for (int k = 0; k < 4; ++k) {
|
||||
if (!v.weights[k])
|
||||
break;
|
||||
|
||||
int bone = v.bones[k];
|
||||
float weight = v.weights[k];
|
||||
|
||||
vweights[bone].push_back(aiVertexWeight(vertIdx + faceIndex, weight));
|
||||
}
|
||||
}
|
||||
++face;
|
||||
}
|
||||
|
||||
vector<aiBone *> bones;
|
||||
for (size_t weightIndx = 0; weightIndx < vweights.size(); ++weightIndx) {
|
||||
vector<aiVertexWeight> &weights = vweights[weightIndx];
|
||||
if (!weights.size()) {
|
||||
continue;
|
||||
}
|
||||
|
||||
aiBone *bone = new aiBone;
|
||||
bones.push_back(bone);
|
||||
|
||||
aiNode *bnode = _nodes[weightIndx];
|
||||
|
||||
bone->mName = bnode->mName;
|
||||
bone->mNumWeights = static_cast<unsigned int>(weights.size());
|
||||
bone->mWeights = to_array(weights);
|
||||
|
||||
aiMatrix4x4 mat = bnode->mTransformation;
|
||||
while (bnode->mParent) {
|
||||
bnode = bnode->mParent;
|
||||
mat = bnode->mTransformation * mat;
|
||||
}
|
||||
bone->mOffsetMatrix = mat.Inverse();
|
||||
}
|
||||
mesh->mNumBones = static_cast<unsigned int>(bones.size());
|
||||
mesh->mBones = to_array(bones);
|
||||
}
|
||||
}
|
||||
|
||||
//nodes
|
||||
scene->mRootNode = _nodes[0];
|
||||
_nodes.clear(); // node ownership now belongs to scene
|
||||
|
||||
//material
|
||||
if (!_materials.size()) {
|
||||
_materials.emplace_back(std::unique_ptr<aiMaterial>(new aiMaterial));
|
||||
}
|
||||
scene->mNumMaterials = static_cast<unsigned int>(_materials.size());
|
||||
scene->mMaterials = unique_to_array(_materials);
|
||||
|
||||
//meshes
|
||||
scene->mNumMeshes = static_cast<unsigned int>(_meshes.size());
|
||||
scene->mMeshes = unique_to_array(_meshes);
|
||||
|
||||
//animations
|
||||
if (_animations.size() == 1 && _nodeAnims.size()) {
|
||||
|
||||
aiAnimation *anim = _animations.back().get();
|
||||
anim->mNumChannels = static_cast<unsigned int>(_nodeAnims.size());
|
||||
anim->mChannels = unique_to_array(_nodeAnims);
|
||||
|
||||
scene->mNumAnimations = static_cast<unsigned int>(_animations.size());
|
||||
scene->mAnimations = unique_to_array(_animations);
|
||||
}
|
||||
|
||||
// convert to RH
|
||||
MakeLeftHandedProcess makeleft;
|
||||
makeleft.Execute(scene);
|
||||
|
||||
FlipWindingOrderProcess flip;
|
||||
flip.Execute(scene);
|
||||
}
|
||||
|
||||
#endif // !! ASSIMP_BUILD_NO_B3D_IMPORTER
|
||||
132
Engine/lib/assimp/code/AssetLib/B3D/B3DImporter.h
Normal file
132
Engine/lib/assimp/code/AssetLib/B3D/B3DImporter.h
Normal file
|
|
@ -0,0 +1,132 @@
|
|||
/*
|
||||
Open Asset Import Library (assimp)
|
||||
----------------------------------------------------------------------
|
||||
|
||||
Copyright (c) 2006-2022, 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.
|
||||
|
||||
----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file Definition of the .b3d importer class.
|
||||
*/
|
||||
#pragma once
|
||||
#ifndef AI_B3DIMPORTER_H_INC
|
||||
#define AI_B3DIMPORTER_H_INC
|
||||
|
||||
#include <assimp/types.h>
|
||||
#include <assimp/mesh.h>
|
||||
#include <assimp/material.h>
|
||||
#include <assimp/BaseImporter.h>
|
||||
|
||||
#include <memory>
|
||||
#include <vector>
|
||||
|
||||
struct aiNodeAnim;
|
||||
struct aiNode;
|
||||
struct aiAnimation;
|
||||
|
||||
namespace Assimp{
|
||||
|
||||
class B3DImporter : public BaseImporter{
|
||||
public:
|
||||
B3DImporter() = default;
|
||||
~B3DImporter() override;
|
||||
bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const override;
|
||||
|
||||
protected:
|
||||
const aiImporterDesc* GetInfo () const override;
|
||||
void InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) override;
|
||||
|
||||
private:
|
||||
|
||||
int ReadByte();
|
||||
int ReadInt();
|
||||
float ReadFloat();
|
||||
aiVector2D ReadVec2();
|
||||
aiVector3D ReadVec3();
|
||||
aiQuaternion ReadQuat();
|
||||
std::string ReadString();
|
||||
std::string ReadChunk();
|
||||
void ExitChunk();
|
||||
size_t ChunkSize();
|
||||
|
||||
template<class T>
|
||||
T *to_array( const std::vector<T> &v );
|
||||
|
||||
struct Vertex{
|
||||
aiVector3D vertex;
|
||||
aiVector3D normal;
|
||||
aiVector3D texcoords;
|
||||
unsigned char bones[4];
|
||||
float weights[4];
|
||||
};
|
||||
|
||||
AI_WONT_RETURN void Oops() AI_WONT_RETURN_SUFFIX;
|
||||
AI_WONT_RETURN void Fail(const std::string &str) AI_WONT_RETURN_SUFFIX;
|
||||
|
||||
void ReadTEXS();
|
||||
void ReadBRUS();
|
||||
|
||||
void ReadVRTS();
|
||||
void ReadTRIS( int v0 );
|
||||
void ReadMESH();
|
||||
void ReadBONE( int id );
|
||||
void ReadKEYS( aiNodeAnim *nodeAnim );
|
||||
void ReadANIM();
|
||||
|
||||
aiNode *ReadNODE( aiNode *parent );
|
||||
|
||||
void ReadBB3D( aiScene *scene );
|
||||
|
||||
size_t _pos;
|
||||
std::vector<unsigned char> _buf;
|
||||
std::vector<size_t> _stack;
|
||||
|
||||
std::vector<std::string> _textures;
|
||||
std::vector<std::unique_ptr<aiMaterial> > _materials;
|
||||
|
||||
int _vflags,_tcsets,_tcsize;
|
||||
std::vector<Vertex> _vertices;
|
||||
|
||||
std::vector<aiNode*> _nodes;
|
||||
std::vector<std::unique_ptr<aiMesh> > _meshes;
|
||||
std::vector<std::unique_ptr<aiNodeAnim> > _nodeAnims;
|
||||
std::vector<std::unique_ptr<aiAnimation> > _animations;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue