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Updated Assimp

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Added initial behavior for ImageAssets to hold a list of GFX resources of different texture profiles to avoid mem leaks with incorrect-typed usages
Added function to ImageAsset to get best-fit asset, allowing for fallbacks if the requested assetID is not found
Added function to ShapeAsset to get best-fit asset, allowing for fallbacks if the requested assetID is not found
Disabled fields for dynamic and static shadowmap refresh rates
Moved noShape model to core/rendering/shapes to place it in a more logical module position
Added an include to avoid undefined type compile error and removed unneeded semicolon from zone code
Added call to reload probe textures when a reloadTextures call is made
Adjusted default directional light shadowmap settings to not be as extreme
Added utility function to probe manager to allow any class to request a 'best fit' list of probes that would affect a given location, allowing other classes such as fog or particles to utilize IBL. Also updated probeManager's forward rendering to utilize same function to reduce code duplication.
Shifted shape loader code to utilize assimp for loader consistency and testing
Changed render bin used for SSAO postfx so it runs at the right time
Made Core_Rendering module scan for assets
Updated loose file references to a number of assets to follow proper formatting
Refactored asset import code to follow a more consistent object heirarchy structure on importing assets, allowing more reliable cross-referencing between inbound items
Updated asset import logic for materials/images so that they properly utilize ImageType. Images correctly save out the assigned image type, materials reference the images' type to know what map slot they should be used in. Importer logic also updated to better find-and-add associated images based on type.
Cleaned up a bunch of old, outdated code in the asset importer
Added initial handling for in-place importing of files without needing to process them through the UI.
Added ability to edit module script from RMB context menu if torsion path is set
Updated list field code for variable inspector to utilize correct ownerObject field
This commit is contained in:
Areloch 2020-03-19 09:47:38 -05:00
parent 2d015bc426
commit 6ade6f08ce
545 changed files with 15077 additions and 8437 deletions
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648
Engine/lib/assimp/code/M3D/M3DExporter.cpp
View file

@ -2,7 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
Copyright (c) 2006-2020, assimp team
Copyright (c) 2019 bzt
All rights reserved.
@ -45,7 +45,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define M3D_IMPLEMENTATION
#define M3D_NOIMPORTER
#define M3D_EXPORTER
#define M3D_ASCII
#ifndef ASSIMP_BUILD_NO_M3D_IMPORTER
#define M3D_NODUP
#endif
@ -55,15 +54,17 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string>
#include <vector>
#include <assimp/version.h> // aiGetVersion
#include <assimp/IOSystem.hpp>
#include <assimp/Exporter.hpp>
#include <assimp/DefaultLogger.hpp>
#include <assimp/StreamWriter.h> // StreamWriterLE
#include <assimp/Exceptional.h> // DeadlyExportError
#include <assimp/StreamWriter.h> // StreamWriterLE
#include <assimp/material.h> // aiTextureType
#include <assimp/scene.h>
#include <assimp/mesh.h>
#include <assimp/scene.h>
#include <assimp/version.h> // aiGetVersion
#include <assimp/DefaultLogger.hpp>
#include <assimp/Exporter.hpp>
#include <assimp/IOSystem.hpp>
#include "M3DWrapper.h"
#include "M3DExporter.h"
#include "M3DMaterials.h"
@ -80,316 +81,357 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* - aiAnimation -> m3d_action (frame with timestamp and list of bone id, position, orientation
* triplets, instead of per bone timestamp + lists)
*/
using namespace Assimp;
namespace Assimp {
// ---------------------------------------------------------------------
// Worker function for exporting a scene to binary M3D.
// Prototyped and registered in Exporter.cpp
void ExportSceneM3D (
const char* pFile,
IOSystem* pIOSystem,
const aiScene* pScene,
const ExportProperties* pProperties
){
// initialize the exporter
M3DExporter exporter(pScene, pProperties);
// perform binary export
exporter.doExport(pFile, pIOSystem, false);
}
// ---------------------------------------------------------------------
// Worker function for exporting a scene to ASCII A3D.
// Prototyped and registered in Exporter.cpp
void ExportSceneA3D (
const char* pFile,
IOSystem* pIOSystem,
const aiScene* pScene,
const ExportProperties* pProperties
){
// initialize the exporter
M3DExporter exporter(pScene, pProperties);
// perform ascii export
exporter.doExport(pFile, pIOSystem, true);
}
} // end of namespace Assimp
// ------------------------------------------------------------------------------------------------
M3DExporter::M3DExporter ( const aiScene* pScene, const ExportProperties* pProperties )
: mScene(pScene)
, mProperties(pProperties)
, outfile()
, m3d(nullptr) { }
// Conversion functions
// ------------------------------------------------------------------------------------------------
void M3DExporter::doExport (
const char* pFile,
IOSystem* pIOSystem,
bool toAscii
){
// TODO: convert mProperties into M3D_EXP_* flags
(void)mProperties;
// open the indicated file for writing (in binary / ASCII mode)
outfile.reset(pIOSystem->Open(pFile, toAscii ? "wt" : "wb"));
if (!outfile) {
throw DeadlyExportError( "could not open output .m3d file: " + std::string(pFile) );
}
// use malloc() here because m3d_free() will call free()
m3d = (m3d_t*)calloc(1, sizeof(m3d_t));
if(!m3d) {
throw DeadlyExportError( "memory allocation error" );
}
m3d->name = _m3d_safestr((char*)&mScene->mRootNode->mName.data, 2);
// Create a model from assimp structures
aiMatrix4x4 m;
NodeWalk(mScene->mRootNode, m);
// serialize the structures
unsigned int size;
unsigned char *output = m3d_save(m3d, M3D_EXP_FLOAT,
M3D_EXP_EXTRA | (toAscii ? M3D_EXP_ASCII : 0), &size);
m3d_free(m3d);
if(!output || size < 8) {
throw DeadlyExportError( "unable to serialize into Model 3D" );
}
// Write out serialized model
outfile->Write(output, size, 1);
// explicitly release file pointer,
// so we don't have to rely on class destruction.
outfile.reset();
// helper to add a vertex (private to NodeWalk)
m3dv_t *AddVrtx(m3dv_t *vrtx, uint32_t *numvrtx, m3dv_t *v, uint32_t *idx) {
if (v->x == (M3D_FLOAT)-0.0) v->x = (M3D_FLOAT)0.0;
if (v->y == (M3D_FLOAT)-0.0) v->y = (M3D_FLOAT)0.0;
if (v->z == (M3D_FLOAT)-0.0) v->z = (M3D_FLOAT)0.0;
if (v->w == (M3D_FLOAT)-0.0) v->w = (M3D_FLOAT)0.0;
vrtx = (m3dv_t *)M3D_REALLOC(vrtx, ((*numvrtx) + 1) * sizeof(m3dv_t));
memcpy(&vrtx[*numvrtx], v, sizeof(m3dv_t));
*idx = *numvrtx;
(*numvrtx)++;
return vrtx;
}
// ------------------------------------------------------------------------------------------------
// recursive node walker
void M3DExporter::NodeWalk(const aiNode* pNode, aiMatrix4x4 m)
{
aiMatrix4x4 nm = m * pNode->mTransformation;
for(unsigned int i = 0; i < pNode->mNumMeshes; i++) {
const aiMesh *mesh = mScene->mMeshes[pNode->mMeshes[i]];
unsigned int mi = (M3D_INDEX)-1U;
if(mScene->mMaterials) {
// get the material for this mesh
mi = addMaterial(mScene->mMaterials[mesh->mMaterialIndex]);
}
// iterate through the mesh faces
for(unsigned int j = 0; j < mesh->mNumFaces; j++) {
unsigned int n;
const aiFace* face = &(mesh->mFaces[j]);
// only triangle meshes supported for now
if(face->mNumIndices != 3) {
throw DeadlyExportError( "use aiProcess_Triangulate before export" );
}
// add triangle to the output
n = m3d->numface++;
m3d->face = (m3df_t*)M3D_REALLOC(m3d->face,
m3d->numface * sizeof(m3df_t));
if(!m3d->face) {
throw DeadlyExportError( "memory allocation error" );
}
/* set all index to -1 by default */
m3d->face[n].vertex[0] = m3d->face[n].vertex[1] = m3d->face[n].vertex[2] =
m3d->face[n].normal[0] = m3d->face[n].normal[1] = m3d->face[n].normal[2] =
m3d->face[n].texcoord[0] = m3d->face[n].texcoord[1] = m3d->face[n].texcoord[2] = -1U;
m3d->face[n].materialid = mi;
for(unsigned int k = 0; k < face->mNumIndices; k++) {
// get the vertex's index
unsigned int l = face->mIndices[k];
unsigned int idx;
m3dv_t vertex;
m3dti_t ti;
// multiply the position vector by the transformation matrix
aiVector3D v = mesh->mVertices[l];
v *= nm;
vertex.x = v.x;
vertex.y = v.y;
vertex.z = v.z;
vertex.w = 1.0;
vertex.color = 0;
vertex.skinid = -1U;
// add color if defined
if(mesh->HasVertexColors(0))
vertex.color = mkColor(&mesh->mColors[0][l]);
// save the vertex to the output
m3d->vertex = _m3d_addvrtx(m3d->vertex, &m3d->numvertex,
&vertex, &idx);
m3d->face[n].vertex[k] = (M3D_INDEX)idx;
// do we have texture coordinates?
if(mesh->HasTextureCoords(0)) {
ti.u = mesh->mTextureCoords[0][l].x;
ti.v = mesh->mTextureCoords[0][l].y;
m3d->tmap = _m3d_addtmap(m3d->tmap, &m3d->numtmap, &ti,
&idx);
m3d->face[n].texcoord[k] = (M3D_INDEX)idx;
}
// do we have normal vectors?
if(mesh->HasNormals()) {
vertex.color = 0;
vertex.x = mesh->mNormals[l].x;
vertex.y = mesh->mNormals[l].y;
vertex.z = mesh->mNormals[l].z;
m3d->vertex = _m3d_addnorm(m3d->vertex, &m3d->numvertex,
&vertex, &idx);
m3d->face[n].normal[k] = (M3D_INDEX)idx;
}
}
}
}
// repeat for the children nodes
for (unsigned int i = 0; i < pNode->mNumChildren; i++) {
NodeWalk(pNode->mChildren[i], nm);
}
// helper to add a tmap (private to NodeWalk)
m3dti_t *AddTmap(m3dti_t *tmap, uint32_t *numtmap, m3dti_t *ti, uint32_t *idx) {
tmap = (m3dti_t *)M3D_REALLOC(tmap, ((*numtmap) + 1) * sizeof(m3dti_t));
memcpy(&tmap[*numtmap], ti, sizeof(m3dti_t));
*idx = *numtmap;
(*numtmap)++;
return tmap;
}
// ------------------------------------------------------------------------------------------------
// convert aiColor4D into uint32_t
uint32_t M3DExporter::mkColor(aiColor4D* c)
{
return ((uint8_t)(c->a*255) << 24L) |
((uint8_t)(c->b*255) << 16L) |
((uint8_t)(c->g*255) << 8L) |
((uint8_t)(c->r*255) << 0L);
}
// ------------------------------------------------------------------------------------------------
// add a material to the output
M3D_INDEX M3DExporter::addMaterial(const aiMaterial *mat)
{
unsigned int mi = -1U;
aiColor4D c;
aiString name;
ai_real f;
char *fn;
if(mat && mat->Get(AI_MATKEY_NAME, name) == AI_SUCCESS && name.length &&
strcmp((char*)&name.data, AI_DEFAULT_MATERIAL_NAME)) {
// check if we have saved a material by this name. This has to be done
// because only the referenced materials should be added to the output
for(unsigned int i = 0; i < m3d->nummaterial; i++)
if(!strcmp((char*)&name.data, m3d->material[i].name)) {
mi = i;
break;
}
// if not found, add the material to the output
if(mi == -1U) {
unsigned int k;
mi = m3d->nummaterial++;
m3d->material = (m3dm_t*)M3D_REALLOC(m3d->material, m3d->nummaterial
* sizeof(m3dm_t));
if(!m3d->material) {
throw DeadlyExportError( "memory allocation error" );
}
m3d->material[mi].name = _m3d_safestr((char*)&name.data, 0);
m3d->material[mi].numprop = 0;
m3d->material[mi].prop = NULL;
// iterate through the material property table and see what we got
for(k = 0; k < 15; k++) {
unsigned int j;
if(m3d_propertytypes[k].format == m3dpf_map)
continue;
if(aiProps[k].pKey) {
switch(m3d_propertytypes[k].format) {
case m3dpf_color:
if(mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, c) == AI_SUCCESS)
addProp(&m3d->material[mi],
m3d_propertytypes[k].id, mkColor(&c));
break;
case m3dpf_float:
if(mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, f) == AI_SUCCESS)
addProp(&m3d->material[mi],
m3d_propertytypes[k].id,
/* not (uint32_t)f, because we don't want to convert
* it, we want to see it as 32 bits of memory */
*((uint32_t*)&f));
break;
case m3dpf_uint8:
if(mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, j) == AI_SUCCESS) {
// special conversion for illumination model property
if(m3d_propertytypes[k].id == m3dp_il) {
switch(j) {
case aiShadingMode_NoShading: j = 0; break;
case aiShadingMode_Phong: j = 2; break;
default: j = 1; break;
}
}
addProp(&m3d->material[mi],
m3d_propertytypes[k].id, j);
}
break;
default:
if(mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, j) == AI_SUCCESS)
addProp(&m3d->material[mi],
m3d_propertytypes[k].id, j);
break;
}
}
if(aiTxProps[k].pKey &&
mat->GetTexture((aiTextureType)aiTxProps[k].type,
aiTxProps[k].index, &name, NULL, NULL, NULL,
NULL, NULL) == AI_SUCCESS) {
unsigned int i;
for(j = name.length-1; j > 0 && name.data[j]!='.'; j++);
if(j && name.data[j]=='.' &&
(name.data[j+1]=='p' || name.data[j+1]=='P') &&
(name.data[j+1]=='n' || name.data[j+1]=='N') &&
(name.data[j+1]=='g' || name.data[j+1]=='G'))
name.data[j]=0;
// do we have this texture saved already?
fn = _m3d_safestr((char*)&name.data, 0);
for(j = 0, i = -1U; j < m3d->numtexture; j++)
if(!strcmp(fn, m3d->texture[j].name)) {
i = j;
free(fn);
break;
}
if(i == -1U) {
i = m3d->numtexture++;
m3d->texture = (m3dtx_t*)M3D_REALLOC(
m3d->texture,
m3d->numtexture * sizeof(m3dtx_t));
if(!m3d->texture) {
throw DeadlyExportError( "memory allocation error" );
}
// we don't need the texture itself, only its name
m3d->texture[i].name = fn;
m3d->texture[i].w = 0;
m3d->texture[i].h = 0;
m3d->texture[i].d = NULL;
}
addProp(&m3d->material[mi],
m3d_propertytypes[k].id + 128, i);
}
}
}
}
return mi;
uint32_t mkColor(aiColor4D *c) {
return ((uint8_t)(c->a * 255) << 24L) |
((uint8_t)(c->b * 255) << 16L) |
((uint8_t)(c->g * 255) << 8L) |
((uint8_t)(c->r * 255) << 0L);
}
// ------------------------------------------------------------------------------------------------
// add a material property to the output
void M3DExporter::addProp(m3dm_t *m, uint8_t type, uint32_t value)
{
unsigned int i;
i = m->numprop++;
m->prop = (m3dp_t*)M3D_REALLOC(m->prop, m->numprop * sizeof(m3dp_t));
if(!m->prop) { throw DeadlyExportError( "memory allocation error" ); }
m->prop[i].type = type;
m->prop[i].value.num = value;
void addProp(m3dm_t *m, uint8_t type, uint32_t value) {
unsigned int i;
i = m->numprop++;
m->prop = (m3dp_t *)M3D_REALLOC(m->prop, m->numprop * sizeof(m3dp_t));
if (!m->prop) {
throw DeadlyExportError("memory allocation error");
}
m->prop[i].type = type;
m->prop[i].value.num = value;
}
// ------------------------------------------------------------------------------------------------
// convert aiString to identifier safe C string. This is a duplication of _m3d_safestr
char *SafeStr(aiString str, bool isStrict)
{
char *s = (char *)&str.data;
char *d, *ret;
int i, len;
for(len = str.length + 1; *s && (*s == ' ' || *s == '\t'); s++, len--);
if(len > 255) len = 255;
ret = (char *)M3D_MALLOC(len + 1);
if (!ret) {
throw DeadlyExportError("memory allocation error");
}
for(i = 0, d = ret; i < len && *s && *s != '\r' && *s != '\n'; s++, d++, i++) {
*d = isStrict && (*s == ' ' || *s == '\t' || *s == '/' || *s == '\\') ? '_' : (*s == '\t' ? ' ' : *s);
}
for(; d > ret && (*(d-1) == ' ' || *(d-1) == '\t'); d--);
*d = 0;
return ret;
}
// ------------------------------------------------------------------------------------------------
// add a material to the output
M3D_INDEX addMaterial(const Assimp::M3DWrapper &m3d, const aiMaterial *mat) {
unsigned int mi = M3D_NOTDEFINED;
aiColor4D c;
aiString name;
ai_real f;
char *fn;
if (mat && mat->Get(AI_MATKEY_NAME, name) == AI_SUCCESS && name.length &&
strcmp((char *)&name.data, AI_DEFAULT_MATERIAL_NAME)) {
// check if we have saved a material by this name. This has to be done
// because only the referenced materials should be added to the output
for (unsigned int i = 0; i < m3d->nummaterial; i++)
if (!strcmp((char *)&name.data, m3d->material[i].name)) {
mi = i;
break;
}
// if not found, add the material to the output
if (mi == M3D_NOTDEFINED) {
unsigned int k;
mi = m3d->nummaterial++;
m3d->material = (m3dm_t *)M3D_REALLOC(m3d->material, m3d->nummaterial * sizeof(m3dm_t));
if (!m3d->material) {
throw DeadlyExportError("memory allocation error");
}
m3d->material[mi].name = SafeStr(name, true);
m3d->material[mi].numprop = 0;
m3d->material[mi].prop = NULL;
// iterate through the material property table and see what we got
for (k = 0; k < 15; k++) {
unsigned int j;
if (m3d_propertytypes[k].format == m3dpf_map)
continue;
if (aiProps[k].pKey) {
switch (m3d_propertytypes[k].format) {
case m3dpf_color:
if (mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, c) == AI_SUCCESS)
addProp(&m3d->material[mi],
m3d_propertytypes[k].id, mkColor(&c));
break;
case m3dpf_float:
if (mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, f) == AI_SUCCESS)
addProp(&m3d->material[mi],
m3d_propertytypes[k].id,
/* not (uint32_t)f, because we don't want to convert
* it, we want to see it as 32 bits of memory */
*((uint32_t *)&f));
break;
case m3dpf_uint8:
if (mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, j) == AI_SUCCESS) {
// special conversion for illumination model property
if (m3d_propertytypes[k].id == m3dp_il) {
switch (j) {
case aiShadingMode_NoShading: j = 0; break;
case aiShadingMode_Phong: j = 2; break;
default: j = 1; break;
}
}
addProp(&m3d->material[mi],
m3d_propertytypes[k].id, j);
}
break;
default:
if (mat->Get(aiProps[k].pKey, aiProps[k].type,
aiProps[k].index, j) == AI_SUCCESS)
addProp(&m3d->material[mi],
m3d_propertytypes[k].id, j);
break;
}
}
if (aiTxProps[k].pKey &&
mat->GetTexture((aiTextureType)aiTxProps[k].type,
aiTxProps[k].index, &name, NULL, NULL, NULL,
NULL, NULL) == AI_SUCCESS) {
unsigned int i;
for (j = name.length - 1; j > 0 && name.data[j] != '.'; j++)
;
if (j && name.data[j] == '.' &&
(name.data[j + 1] == 'p' || name.data[j + 1] == 'P') &&
(name.data[j + 1] == 'n' || name.data[j + 1] == 'N') &&
(name.data[j + 1] == 'g' || name.data[j + 1] == 'G'))
name.data[j] = 0;
// do we have this texture saved already?
fn = SafeStr(name, true);
for (j = 0, i = M3D_NOTDEFINED; j < m3d->numtexture; j++)
if (!strcmp(fn, m3d->texture[j].name)) {
i = j;
free(fn);
break;
}
if (i == M3D_NOTDEFINED) {
i = m3d->numtexture++;
m3d->texture = (m3dtx_t *)M3D_REALLOC(
m3d->texture,
m3d->numtexture * sizeof(m3dtx_t));
if (!m3d->texture) {
throw DeadlyExportError("memory allocation error");
}
// we don't need the texture itself, only its name
m3d->texture[i].name = fn;
m3d->texture[i].w = 0;
m3d->texture[i].h = 0;
m3d->texture[i].d = NULL;
}
addProp(&m3d->material[mi],
m3d_propertytypes[k].id + 128, i);
}
}
}
}
return mi;
}
namespace Assimp {
// ---------------------------------------------------------------------
// Worker function for exporting a scene to binary M3D.
// Prototyped and registered in Exporter.cpp
void ExportSceneM3D(
const char *pFile,
IOSystem *pIOSystem,
const aiScene *pScene,
const ExportProperties *pProperties) {
// initialize the exporter
M3DExporter exporter(pScene, pProperties);
// perform binary export
exporter.doExport(pFile, pIOSystem, false);
}
// ---------------------------------------------------------------------
// Worker function for exporting a scene to ASCII A3D.
// Prototyped and registered in Exporter.cpp
void ExportSceneM3DA(
const char *pFile,
IOSystem *pIOSystem,
const aiScene *pScene,
const ExportProperties *pProperties
) {
#ifdef M3D_ASCII
// initialize the exporter
M3DExporter exporter(pScene, pProperties);
// perform ascii export
exporter.doExport(pFile, pIOSystem, true);
#else
throw DeadlyExportError("Assimp configured without M3D_ASCII support");
#endif
}
// ------------------------------------------------------------------------------------------------
M3DExporter::M3DExporter(const aiScene *pScene, const ExportProperties *pProperties) :
mScene(pScene),
mProperties(pProperties),
outfile() {}
// ------------------------------------------------------------------------------------------------
void M3DExporter::doExport(
const char *pFile,
IOSystem *pIOSystem,
bool toAscii) {
// TODO: convert mProperties into M3D_EXP_* flags
(void)mProperties;
// open the indicated file for writing (in binary / ASCII mode)
outfile.reset(pIOSystem->Open(pFile, toAscii ? "wt" : "wb"));
if (!outfile) {
throw DeadlyExportError("could not open output .m3d file: " + std::string(pFile));
}
M3DWrapper m3d;
if (!m3d) {
throw DeadlyExportError("memory allocation error");
}
m3d->name = SafeStr(mScene->mRootNode->mName, false);
// Create a model from assimp structures
aiMatrix4x4 m;
NodeWalk(m3d, mScene->mRootNode, m);
// serialize the structures
unsigned int size;
unsigned char *output = m3d.Save(M3D_EXP_FLOAT, M3D_EXP_EXTRA | (toAscii ? M3D_EXP_ASCII : 0), size);
if (!output || size < 8) {
throw DeadlyExportError("unable to serialize into Model 3D");
}
// Write out serialized model
outfile->Write(output, size, 1);
// explicitly release file pointer,
// so we don't have to rely on class destruction.
outfile.reset();
}
// ------------------------------------------------------------------------------------------------
// recursive node walker
void M3DExporter::NodeWalk(const M3DWrapper &m3d, const aiNode *pNode, aiMatrix4x4 m) {
aiMatrix4x4 nm = m * pNode->mTransformation;
for (unsigned int i = 0; i < pNode->mNumMeshes; i++) {
const aiMesh *mesh = mScene->mMeshes[pNode->mMeshes[i]];
unsigned int mi = M3D_NOTDEFINED;
if (mScene->mMaterials) {
// get the material for this mesh
mi = addMaterial(m3d, mScene->mMaterials[mesh->mMaterialIndex]);
}
// iterate through the mesh faces
for (unsigned int j = 0; j < mesh->mNumFaces; j++) {
unsigned int n;
const aiFace *face = &(mesh->mFaces[j]);
// only triangle meshes supported for now
if (face->mNumIndices != 3) {
throw DeadlyExportError("use aiProcess_Triangulate before export");
}
// add triangle to the output
n = m3d->numface++;
m3d->face = (m3df_t *)M3D_REALLOC(m3d->face,
m3d->numface * sizeof(m3df_t));
if (!m3d->face) {
throw DeadlyExportError("memory allocation error");
}
/* set all index to -1 by default */
m3d->face[n].vertex[0] = m3d->face[n].vertex[1] = m3d->face[n].vertex[2] =
m3d->face[n].normal[0] = m3d->face[n].normal[1] = m3d->face[n].normal[2] =
m3d->face[n].texcoord[0] = m3d->face[n].texcoord[1] = m3d->face[n].texcoord[2] = M3D_UNDEF;
m3d->face[n].materialid = mi;
for (unsigned int k = 0; k < face->mNumIndices; k++) {
// get the vertex's index
unsigned int l = face->mIndices[k];
unsigned int idx;
m3dv_t vertex;
m3dti_t ti;
// multiply the position vector by the transformation matrix
aiVector3D v = mesh->mVertices[l];
v *= nm;
vertex.x = v.x;
vertex.y = v.y;
vertex.z = v.z;
vertex.w = 1.0;
vertex.color = 0;
vertex.skinid = M3D_UNDEF;
// add color if defined
if (mesh->HasVertexColors(0))
vertex.color = mkColor(&mesh->mColors[0][l]);
// save the vertex to the output
m3d->vertex = AddVrtx(m3d->vertex, &m3d->numvertex,
&vertex, &idx);
m3d->face[n].vertex[k] = (M3D_INDEX)idx;
// do we have texture coordinates?
if (mesh->HasTextureCoords(0)) {
ti.u = mesh->mTextureCoords[0][l].x;
ti.v = mesh->mTextureCoords[0][l].y;
m3d->tmap = AddTmap(m3d->tmap, &m3d->numtmap, &ti, &idx);
m3d->face[n].texcoord[k] = (M3D_INDEX)idx;
}
// do we have normal vectors?
if (mesh->HasNormals()) {
vertex.x = mesh->mNormals[l].x;
vertex.y = mesh->mNormals[l].y;
vertex.z = mesh->mNormals[l].z;
vertex.color = 0;
m3d->vertex = AddVrtx(m3d->vertex, &m3d->numvertex, &vertex, &idx);
m3d->face[n].normal[k] = (M3D_INDEX)idx;
}
}
}
}
// repeat for the children nodes
for (unsigned int i = 0; i < pNode->mNumChildren; i++) {
NodeWalk(m3d, pNode->mChildren[i], nm);
}
}
} // namespace Assimp
#endif // ASSIMP_BUILD_NO_M3D_EXPORTER
#endif // ASSIMP_BUILD_NO_EXPORT

12
Engine/lib/assimp/code/M3D/M3DExporter.h
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@ -2,7 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
Copyright (c) 2006-2020, assimp team
Copyright (c) 2019 bzt
All rights reserved.
@ -48,8 +48,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef ASSIMP_BUILD_NO_M3D_EXPORTER
#include "m3d.h"
#include <assimp/types.h>
//#include <assimp/material.h>
#include <assimp/StreamWriter.h> // StreamWriterLE
@ -68,6 +66,8 @@ namespace Assimp
class IOStream;
class ExportProperties;
class M3DWrapper;
// ---------------------------------------------------------------------
/** Helper class to export a given scene to an M3D file. */
// ---------------------------------------------------------------------
@ -83,13 +83,9 @@ namespace Assimp
const aiScene* mScene; // the scene to export
const ExportProperties* mProperties; // currently unused
std::shared_ptr<IOStream> outfile; // file to write to
m3d_t *m3d; // model for the C library to convert to
// helper to do the recursive walking
void NodeWalk(const aiNode* pNode, aiMatrix4x4 m);
uint32_t mkColor(aiColor4D* c);
M3D_INDEX addMaterial(const aiMaterial *mat);
void addProp(m3dm_t *m, uint8_t type, uint32_t value);
void NodeWalk(const M3DWrapper &m3d, const aiNode* pNode, aiMatrix4x4 m);
};
}

1145
Engine/lib/assimp/code/M3D/M3DImporter.cpp
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55
Engine/lib/assimp/code/M3D/M3DImporter.h
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@ -2,7 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
Copyright (c) 2006-2020, assimp team
Copyright (c) 2019 bzt
All rights reserved.
@ -48,7 +48,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef ASSIMP_BUILD_NO_M3D_IMPORTER
#include "m3d.h"
#include <assimp/BaseImporter.h>
#include <assimp/material.h>
#include <vector>
@ -60,43 +59,41 @@ struct aiFace;
namespace Assimp {
class M3DWrapper;
class M3DImporter : public BaseImporter {
public:
/// \brief Default constructor
M3DImporter();
/// \brief Destructor
~M3DImporter();
/// \brief Default constructor
M3DImporter();
public:
/// \brief Returns whether the class can handle the format of the given file.
/// \remark See BaseImporter::CanRead() for details.
bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const;
/// \brief Returns whether the class can handle the format of the given file.
/// \remark See BaseImporter::CanRead() for details.
bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const;
private:
aiScene* mScene; // the scene to import to
m3d_t *m3d; // model for the C library to convert from
aiScene *mScene = nullptr; // the scene to import to
//! \brief Appends the supported extension.
const aiImporterDesc* GetInfo () const;
//! \brief Appends the supported extension.
const aiImporterDesc *GetInfo() const;
//! \brief File import implementation.
void InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
//! \brief File import implementation.
void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler);
void importMaterials();
void importTextures();
void importMeshes();
void importBones(unsigned int parentid, aiNode *pParent);
void importAnimations();
void importMaterials(const M3DWrapper &m3d);
void importTextures(const M3DWrapper &m3d);
void importMeshes(const M3DWrapper &m3d);
void importBones(const M3DWrapper &m3d, unsigned int parentid, aiNode *pParent);
void importAnimations(const M3DWrapper &m3d);
// helper functions
aiColor4D mkColor(uint32_t c);
void convertPose(aiMatrix4x4 *m, unsigned int posid, unsigned int orientid);
aiNode *findNode(aiNode *pNode, aiString name);
void calculateOffsetMatrix(aiNode *pNode, aiMatrix4x4 *m);
void populateMesh(aiMesh *pMesh, std::vector<aiFace> *faces, std::vector<aiVector3D> *verteces,
std::vector<aiVector3D> *normals, std::vector<aiVector3D> *texcoords, std::vector<aiColor4D> *colors,
std::vector<unsigned int> *vertexids);
// helper functions
aiColor4D mkColor(uint32_t c);
void convertPose(const M3DWrapper &m3d, aiMatrix4x4 *m, unsigned int posid, unsigned int orientid);
aiNode *findNode(aiNode *pNode, aiString name);
void calculateOffsetMatrix(aiNode *pNode, aiMatrix4x4 *m);
void populateMesh(const M3DWrapper &m3d, aiMesh *pMesh, std::vector<aiFace> *faces, std::vector<aiVector3D> *verteces,
std::vector<aiVector3D> *normals, std::vector<aiVector3D> *texcoords, std::vector<aiColor4D> *colors,
std::vector<unsigned int> *vertexids);
};
} // Namespace Assimp

12
Engine/lib/assimp/code/M3D/M3DMaterials.h
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@ -2,7 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
Copyright (c) 2006-2020, assimp team
Copyright (c) 2019 bzt
All rights reserved.
@ -75,7 +75,7 @@ static const aiMatProp aiProps[] = {
{ AI_MATKEY_REFLECTIVITY }, /* m3dp_Pm */
{ NULL, 0, 0 }, /* m3dp_Ps */
{ AI_MATKEY_REFRACTI }, /* m3dp_Ni */
{ NULL, 0, 0 },
{ NULL, 0, 0 }, /* m3dp_Nt */
{ NULL, 0, 0 },
{ NULL, 0, 0 },
{ NULL, 0, 0 }
@ -84,20 +84,20 @@ static const aiMatProp aiProps[] = {
/* --- Texture Map Properties --- !!!!! must match m3d_propertytypes !!!!! */
static const aiMatProp aiTxProps[] = {
{ AI_MATKEY_TEXTURE_DIFFUSE(0) }, /* m3dp_map_Kd */
{ AI_MATKEY_TEXTURE_AMBIENT(0) }, /* m3dp_map_Ka */
{ AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION,0) },/* m3dp_map_Ka */
{ AI_MATKEY_TEXTURE_SPECULAR(0) }, /* m3dp_map_Ks */
{ AI_MATKEY_TEXTURE_SHININESS(0) }, /* m3dp_map_Ns */
{ AI_MATKEY_TEXTURE_EMISSIVE(0) }, /* m3dp_map_Ke */
{ NULL, 0, 0 }, /* m3dp_map_Tf */
{ AI_MATKEY_TEXTURE_HEIGHT(0) }, /* m3dp_bump */
{ AI_MATKEY_TEXTURE_OPACITY(0) }, /* m3dp_map_d */
{ AI_MATKEY_TEXTURE_REFLECTION(0) }, /* m3dp_refl */
{ AI_MATKEY_TEXTURE_NORMALS(0) }, /* m3dp_map_N */
{ AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE_ROUGHNESS,0) },/* m3dp_map_Pr */
{ AI_MATKEY_TEXTURE(aiTextureType_METALNESS,0) }, /* m3dp_map_Pm */
{ NULL, 0, 0 }, /* m3dp_map_Ps */
{ AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION,0) },/* m3dp_map_Ni */
{ NULL, 0, 0 },
{ AI_MATKEY_TEXTURE(aiTextureType_REFLECTION,0) }, /* m3dp_map_Ni */
{ NULL, 0, 0 }, /* m3dp_map_Nt */
{ NULL, 0, 0 },
{ NULL, 0, 0 },
{ NULL, 0, 0 }

142
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@ -0,0 +1,142 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
Copyright (c) 2019 bzt
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.
----------------------------------------------------------------------
*/
#if !(ASSIMP_BUILD_NO_EXPORT || ASSIMP_BUILD_NO_M3D_EXPORTER) || !ASSIMP_BUILD_NO_M3D_IMPORTER
#include "M3DWrapper.h"
#include <assimp/DefaultIOSystem.h>
#include <assimp/IOStreamBuffer.h>
#include <assimp/ai_assert.h>
#ifdef ASSIMP_USE_M3D_READFILECB
# if (__cplusplus >= 201103L) || !defined(_MSC_VER) || (_MSC_VER >= 1900) // C++11 and MSVC 2015 onwards
# define threadlocal thread_local
# else
# if defined(_MSC_VER) && (_MSC_VER >= 1800) // there's an alternative for MSVC 2013
# define threadlocal __declspec(thread)
# else
# define threadlocal
# endif
# endif
extern "C" {
// workaround: the M3D SDK expects a C callback, but we want to use Assimp::IOSystem to implement that
threadlocal void *m3dimporter_pIOHandler;
unsigned char *m3dimporter_readfile(char *fn, unsigned int *size) {
ai_assert(nullptr != fn);
ai_assert(nullptr != size);
std::string file(fn);
std::unique_ptr<Assimp::IOStream> pStream(
(reinterpret_cast<Assimp::IOSystem *>(m3dimporter_pIOHandler))->Open(file, "rb"));
size_t fileSize = 0;
unsigned char *data = NULL;
// sometimes pStream is nullptr in a single-threaded scenario too for some reason
// (should be an empty object returning nothing I guess)
if (pStream) {
fileSize = pStream->FileSize();
// should be allocated with malloc(), because the library will call free() to deallocate
data = (unsigned char *)malloc(fileSize);
if (!data || !pStream.get() || !fileSize || fileSize != pStream->Read(data, 1, fileSize)) {
pStream.reset();
*size = 0;
// don't throw a deadly exception, it's not fatal if we can't read an external asset
return nullptr;
}
pStream.reset();
}
*size = (int)fileSize;
return data;
}
}
#endif
namespace Assimp {
M3DWrapper::M3DWrapper() {
// use malloc() here because m3d_free() will call free()
m3d_ = (m3d_t *)calloc(1, sizeof(m3d_t));
}
M3DWrapper::M3DWrapper(IOSystem *pIOHandler, const std::vector<unsigned char> &buffer) {
#ifdef ASSIMP_USE_M3D_READFILECB
// pass this IOHandler to the C callback in a thread-local pointer
m3dimporter_pIOHandler = pIOHandler;
m3d_ = m3d_load(const_cast<unsigned char *>(buffer.data()), m3dimporter_readfile, free, nullptr);
// Clear the C callback
m3dimporter_pIOHandler = nullptr;
#else
m3d_ = m3d_load(const_cast<unsigned char *>(buffer.data()), nullptr, nullptr, nullptr);
#endif
}
M3DWrapper::~M3DWrapper() {
reset();
}
void M3DWrapper::reset() {
ClearSave();
if (m3d_)
m3d_free(m3d_);
m3d_ = nullptr;
}
unsigned char *M3DWrapper::Save(int quality, int flags, unsigned int &size) {
#if (!(ASSIMP_BUILD_NO_EXPORT || ASSIMP_BUILD_NO_M3D_EXPORTER))
ClearSave();
saved_output_ = m3d_save(m3d_, quality, flags, &size);
return saved_output_;
#else
return nullptr;
#endif
}
void M3DWrapper::ClearSave() {
if (saved_output_)
M3D_FREE(saved_output_);
saved_output_ = nullptr;
}
} // namespace Assimp
#endif

101
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@ -0,0 +1,101 @@
#pragma once
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
Copyright (c) 2019 bzt
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 M3DWrapper.h
* @brief Declares a class to wrap the C m3d SDK
*/
#ifndef AI_M3DWRAPPER_H_INC
#define AI_M3DWRAPPER_H_INC
#if !(ASSIMP_BUILD_NO_EXPORT || ASSIMP_BUILD_NO_M3D_EXPORTER) || !ASSIMP_BUILD_NO_M3D_IMPORTER
#include <memory>
#include <vector>
#include <string>
// Assimp specific M3D configuration. Comment out these defines to remove functionality
//#define ASSIMP_USE_M3D_READFILECB
//#define M3D_ASCII
#include "m3d.h"
namespace Assimp {
class IOSystem;
class M3DWrapper {
m3d_t *m3d_ = nullptr;
unsigned char *saved_output_ = nullptr;
public:
// Construct an empty M3D model
explicit M3DWrapper();
// Construct an M3D model from provided buffer
// NOTE: The m3d.h SDK function does not mark the data as const. Have assumed it does not write.
// BUG: SECURITY: The m3d.h SDK cannot be informed of the buffer size. BUFFER OVERFLOW IS CERTAIN
explicit M3DWrapper(IOSystem *pIOHandler, const std::vector<unsigned char> &buffer);
~M3DWrapper();
void reset();
// Name
inline std::string Name() const {
if (m3d_) return std::string(m3d_->name);
return std::string();
}
// Execute a save
unsigned char *Save(int quality, int flags, unsigned int &size);
void ClearSave();
inline explicit operator bool() const { return m3d_ != nullptr; }
// Allow direct access to M3D API
inline m3d_t *operator->() const { return m3d_; }
inline m3d_t *M3D() const { return m3d_; }
};
} // namespace Assimp
#endif
#endif // AI_M3DWRAPPER_H_INC

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