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ModelCompiler
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Copied updated libraries and compilers from main project over

This commit is contained in:
Xiao Qi 2022-10-31 14:16:35 +08:00
parent 70b6045453
commit 68c4e729a1
10 changed files with 294 additions and 360 deletions
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47
Assimp Compile Application/main.cpp
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@ -1,47 +0,0 @@
#include "Types/SHAnimationAsset.h"
#include "Types/SHMeshAsset.h"
#include "Libraries/SHAssimpLibrary.h"
#include "Libraries/SHMeshCompiler.h"
#include <vector>
#include <filesystem>
int main(int argc, char* argv[])
{
SHADE::MeshVector meshes;
SHADE::AnimVector anims;
std::vector<std::string> paths;
if (argc == 1)
{
for (auto const& dir : std::filesystem::recursive_directory_iterator{"./Assets/"})
{
if (dir.path().extension().string() == GLTF_EXTENSION)
{
paths.push_back(dir.path().string());
}
}
}
else if (argc > 1)
{
for (int i { 1 }; i < argc; ++i)
{
paths.emplace_back(argv[i]);
}
}
for (auto const& path : paths)
{
SHADE::SHAssimpLibrary::LoadFromFile(path, meshes, anims);
}
for (auto const& mesh : meshes)
{
SHADE::SHMeshCompiler::CompileMeshBinary(mesh);
}
return 0;
}

15
Assimp Compile Application/premake5.lua
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@ -47,14 +47,25 @@ project "Assimp Compile Library"
"xcopy /r /y /q \"%{IncludeDir.assimp}\\bin\\Release\\assimp-vc142-mt.dll\" \"$(OutDir)\""
}
filter "configurations:Publish"
postbuildcommands
{
"xcopy /r /y /q \"%{IncludeDir.assimp}\\bin\\Release\\assimp-vc142-mt.dll\" \"$(OutDir)\""
}
warnings 'Extra'
filter "configurations:Debug"
symbols "On"
defines {"_DEBUG", "SHEDITOR"}
defines {"_DEBUG"}
links{"assimp-vc142-mtd.lib"}
filter "configurations:Release"
optimize "On"
defines{"_RELEASE", "SHEDITOR"}
defines{"_RELEASE"}
links{"assimp-vc142-mt.lib"}
filter "configurations:Publish"
optimize "On"
defines{"_RELEASE, _PUBLISH"}
links{"assimp-vc142-mt.lib"}

148
Assimp Compile Application/src/Libraries/SHAssimpLibrary.cpp
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@ -1,148 +0,0 @@
/*************************************************************************//**
* \file SHAssimpLibrary.cpp
* \author Loh Xiao Qi
* \date October 2022
* \brief
*
* Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
* disclosure of this file or its contents without the prior written consent
* of DigiPen Institute of Technology is prohibited.
*****************************************************************************/
#include "SHAssimpLibrary.h"
#include <assimp/postprocess.h>
#include <iostream>
#include <algorithm>
namespace SHADE
{
Assimp::Importer SHAssimpLibrary::aiImporter;
void SHAssimpLibrary::ProcessNode(aiNode const& node, aiScene const& scene, MeshVectorRef meshes) noexcept
{
for (size_t i {0}; i < node.mNumMeshes; ++i)
{
aiMesh* mesh = scene.mMeshes[node.mMeshes[i]];
meshes.emplace_back();
ProcessMesh(*mesh, meshes.back());
}
for (size_t i{ 0 }; i < node.mNumChildren; ++i)
{
ProcessNode(*node.mChildren[i], scene, meshes);
}
}
void SHAssimpLibrary::ExtractAnimations(aiScene const& scene, AnimVectorRef anims) noexcept
{
if (scene.HasAnimations())
{
std::vector<SHAnimationAsset> anims(scene.mNumAnimations);
for (auto i{0}; i < scene.mNumAnimations; ++i)
{
auto const& anim {*scene.mAnimations[i]};
anims[i].name = anim.mName.C_Str();
anims[i].duration = anim.mDuration;
anims[i].ticksPerSecond = anim.mTicksPerSecond;
std::copy_n(anim.mChannels, anim.mNumChannels, anims[i].nodeChannels.data());
std::copy_n(anim.mMeshChannels, anim.mNumMeshChannels, anims[i].meshChannels.data());
std::copy_n(anim.mMorphMeshChannels, anim.mNumMorphMeshChannels, anims[i].morphMeshChannels.data());
}
}
}
void SHAssimpLibrary::ProcessMesh(aiMesh const& mesh, SHMeshAsset& meshDest) noexcept
{
meshDest.compiled = false;
meshDest.changed = false;
for (size_t i{0}; i < mesh.mNumVertices; ++i)
{
// Vertex position
SHVec3 vertex;
vertex.x = mesh.mVertices[i].x;
vertex.y = mesh.mVertices[i].y;
vertex.z = mesh.mVertices[i].z;
meshDest.vertexPosition.push_back(vertex);
// Tex coords
SHVec2 texCoord{0.f, 0.f};
if (mesh.mTextureCoords[0])
{
texCoord.x = mesh.mTextureCoords[0][i].x;
texCoord.y = mesh.mTextureCoords[0][i].y;
}
meshDest.texCoords.push_back(texCoord);
// Normals
SHVec3 normal{0.f, 0.f, 0.f};
if (mesh.mNormals)
{
normal.x = mesh.mNormals[i].x;
normal.y = mesh.mNormals[i].y;
normal.z = mesh.mNormals[i].z;
}
meshDest.vertexNormal.push_back(normal);
// Tangent
SHVec3 tangent{0.f, 0.f, 0.f};
if (mesh.mTangents)
{
tangent.x = mesh.mTangents[i].x;
tangent.y = mesh.mTangents[i].y;
tangent.z = mesh.mTangents[i].z;
}
meshDest.vertexTangent.push_back(tangent);
}
for (size_t i {0}; i < mesh.mNumFaces; ++i)
{
aiFace face = mesh.mFaces[i];
for (size_t j{0}; j < face.mNumIndices; ++j)
{
meshDest.indices.push_back(face.mIndices[j]);
}
}
meshDest.header.vertexCount = static_cast<uint32_t>(meshDest.vertexPosition.size());
meshDest.header.indexCount = static_cast<uint32_t>(meshDest.indices.size());
meshDest.header.meshName = mesh.mName.C_Str();
}
void SHAssimpLibrary::LoadFromFile(AssetPath path, MeshVectorRef meshes, AnimVectorRef anims) noexcept
{
const aiScene* scene = aiImporter.ReadFile(path.string().c_str(),
aiProcess_Triangulate // Make sure we get triangles rather than nvert polygons
| aiProcess_GenUVCoords // Convert any type of mapping to uv mapping
| aiProcess_TransformUVCoords // preprocess UV transformations (scaling, translation ...)
| aiProcess_FindInstances // search for instanced meshes and remove them by references to one master
| aiProcess_CalcTangentSpace // calculate tangents and bitangents if possible
| aiProcess_JoinIdenticalVertices // join identical vertices/ optimize indexing
| aiProcess_RemoveRedundantMaterials // remove redundant materials
| aiProcess_FindInvalidData // detect invalid model data, such as invalid normal vectors
| aiProcess_FlipUVs // flip the V to match the Vulkans way of doing UVs
);
if (!scene || !scene->HasMeshes())
{
std::cout << "ERROR in GLTF::ASSIMP: " << aiImporter.GetErrorString() << "\nFile: " << path.string() << std::endl;
return;
}
ExtractAnimations(*scene, anims);
MeshVector localMesh(scene->mNumMeshes);
ProcessNode(*scene->mRootNode, *scene, localMesh);
for (auto& mesh : localMesh)
{
mesh.parentPath = path.parent_path().string();
}
std::ranges::move(localMesh.begin(), localMesh.end(), meshes.end());
aiImporter.FreeScene();
}
}

39
Assimp Compile Application/src/Libraries/SHAssimpLibrary.h
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@ -1,39 +0,0 @@
/*************************************************************************//**
* \file SHAssimpLibrary.h
* \author Loh Xiao Qi
* \date October 2022
* \brief
*
* Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
* disclosure of this file or its contents without the prior written consent
* of DigiPen Institute of Technology is prohibited.
*****************************************************************************/
#pragma once
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <vector>
#include "../SHAssetMacros.h"
#include "../Types/SHMeshAsset.h"
#include "../Types/SHAnimationAsset.h"
namespace SHADE
{
using MeshVector = std::vector<SHMeshAsset>;
using AnimVector = std::vector<SHAnimationAsset>;
class SHAssimpLibrary
{
private:
using MeshVectorRef = std::vector<SHMeshAsset>&;
using AnimVectorRef = std::vector<SHAnimationAsset>&;
static Assimp::Importer aiImporter;
static void ProcessNode(aiNode const& node, aiScene const& scene,MeshVectorRef meshes) noexcept;
static void ExtractAnimations(aiScene const& scene, AnimVectorRef anims) noexcept;
static void ProcessMesh(aiMesh const& mesh, SHMeshAsset& meshDest) noexcept;
public:
static void LoadFromFile(AssetPath path, MeshVectorRef meshes, AnimVectorRef anims) noexcept;
};
}

223
Assimp Compile Application/src/Libraries/SHMeshCompiler.cpp
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@ -11,60 +11,203 @@
* of DigiPen Institute of Technology is prohibited.
*****************************************************************************/
#include "SHMeshCompiler.h"
#include <assimp/postprocess.h>
#include <fstream>
#include <iostream>
std::string SHADE::SHMeshCompiler::CompileMeshBinary(SHMeshAsset const& asset) noexcept
namespace SHADE
{
std::string newPath{ asset.parentPath };
newPath += asset.header.meshName + MESH_EXTENSION;
std::ofstream file{ newPath, std::ios::out | std::ios::binary | std::ios::trunc };
if (!file.is_open())
{
std::cout << "Unable to open file for writing mesh file: " << asset.parentPath << std::endl;
}
Assimp::Importer SHMeshCompiler::aiImporter;
file.write(
reinterpret_cast<char const*>(&(asset.header.vertexCount)),
sizeof(uint32_t)
);
void SHMeshCompiler::ProcessNode(aiNode const& node, aiScene const& scene, MeshVectorRef meshes) noexcept
{
for (size_t i{ 0 }; i < node.mNumMeshes; ++i)
{
aiMesh* mesh = scene.mMeshes[node.mMeshes[i]];
meshes.push_back(ProcessMesh(*mesh));
}
file.write(
reinterpret_cast<const char*>(&(asset.header.indexCount)),
sizeof(uint32_t)
);
for (size_t i{ 0 }; i < node.mNumChildren; ++i)
{
ProcessNode(*node.mChildren[i], scene, meshes);
}
}
auto const vertexVec3Byte {sizeof(SHVec3) * asset.header.vertexCount};
auto const vertexVec2Byte {sizeof(SHVec2) * asset.header.vertexCount};
void SHMeshCompiler::ExtractAnimations(aiScene const& scene, AnimVectorRef anims) noexcept
{
if (scene.HasAnimations())
{
std::vector<SHAnimationAsset> anims(scene.mNumAnimations);
for (auto i{ 0 }; i < scene.mNumAnimations; ++i)
{
auto const& anim{ *scene.mAnimations[i] };
file.write(
reinterpret_cast<char const*>(asset.vertexPosition.data()),
vertexVec3Byte
);
anims[i].name = anim.mName.C_Str();
file.write(
reinterpret_cast<char const*>(asset.vertexTangent.data()),
vertexVec3Byte
);
anims[i].duration = anim.mDuration;
anims[i].ticksPerSecond = anim.mTicksPerSecond;
file.write(
reinterpret_cast<char const*>(asset.vertexNormal.data()),
vertexVec3Byte
);
std::copy_n(anim.mChannels, anim.mNumChannels, anims[i].nodeChannels.data());
std::copy_n(anim.mMeshChannels, anim.mNumMeshChannels, anims[i].meshChannels.data());
std::copy_n(anim.mMorphMeshChannels, anim.mNumMorphMeshChannels, anims[i].morphMeshChannels.data());
}
}
}
file.write(
reinterpret_cast<char const*>(asset.texCoords.data()),
vertexVec2Byte
);
SHMeshAsset* SHMeshCompiler::ProcessMesh(aiMesh const& mesh) noexcept
{
SHMeshAsset* result = new SHMeshAsset();
result->compiled = false;
result->changed = false;
file.write(
reinterpret_cast<char const*>(asset.indices.data()),
sizeof(uint32_t) * asset.header.indexCount
);
for (size_t i{ 0 }; i < mesh.mNumVertices; ++i)
{
// Vertex position
SHVec3 vertex;
vertex.x = mesh.mVertices[i].x;
vertex.y = mesh.mVertices[i].y;
vertex.z = mesh.mVertices[i].z;
result->vertexPosition.push_back(vertex);
file.close();
// Tex coords
SHVec2 texCoord{ 0.f, 0.f };
if (mesh.mTextureCoords[0])
{
texCoord.x = mesh.mTextureCoords[0][i].x;
texCoord.y = mesh.mTextureCoords[0][i].y;
}
result->texCoords.push_back(texCoord);
return newPath;
// Normals
SHVec3 normal{ 0.f, 0.f, 0.f };
if (mesh.mNormals)
{
normal.x = mesh.mNormals[i].x;
normal.y = mesh.mNormals[i].y;
normal.z = mesh.mNormals[i].z;
}
result->vertexNormal.push_back(normal);
// Tangent
SHVec3 tangent{ 0.f, 0.f, 0.f };
if (mesh.mTangents)
{
tangent.x = mesh.mTangents[i].x;
tangent.y = mesh.mTangents[i].y;
tangent.z = mesh.mTangents[i].z;
}
result->vertexTangent.push_back(tangent);
}
for (size_t i{ 0 }; i < mesh.mNumFaces; ++i)
{
aiFace face = mesh.mFaces[i];
for (size_t j{ 0 }; j < face.mNumIndices; ++j)
{
result->indices.push_back(face.mIndices[j]);
}
}
result->header.vertexCount = static_cast<uint32_t>(result->vertexPosition.size());
result->header.indexCount = static_cast<uint32_t>(result->indices.size());
result->header.name = mesh.mName.C_Str();
return result;
}
void SHMeshCompiler::LoadFromFile(AssetPath path, MeshVectorRef meshes, AnimVectorRef anims) noexcept
{
const aiScene* scene = aiImporter.ReadFile(path.string().c_str(),
aiProcess_Triangulate // Make sure we get triangles rather than nvert polygons
| aiProcess_GenUVCoords // Convert any type of mapping to uv mapping
| aiProcess_TransformUVCoords // preprocess UV transformations (scaling, translation ...)
| aiProcess_FindInstances // search for instanced meshes and remove them by references to one master
| aiProcess_CalcTangentSpace // calculate tangents and bitangents if possible
| aiProcess_JoinIdenticalVertices // join identical vertices/ optimize indexing
| aiProcess_RemoveRedundantMaterials // remove redundant materials
| aiProcess_FindInvalidData // detect invalid model data, such as invalid normal vectors
| aiProcess_FlipUVs // flip the V to match the Vulkans way of doing UVs
);
if (!scene || !scene->HasMeshes())
{
std::cout << "ERROR in GLTF::ASSIMP: " << aiImporter.GetErrorString() << "\nFile: " << path.string() << std::endl;
return;
}
//ExtractAnimations(*scene, anims);
ProcessNode(*scene->mRootNode, *scene, meshes);
aiImporter.FreeScene();
}
std::optional<AssetPath> SHMeshCompiler::CompileMeshBinary(SHMeshAsset const& asset, AssetPath path) noexcept
{
std::string newPath{ path.string() + asset.header.name + MESH_EXTENSION.data() };
std::ofstream file{ newPath, std::ios::out | std::ios::binary | std::ios::trunc };
if (!file.is_open())
{
std::cout << "Unable to open file for write: " << newPath << std::endl;
return {};
}
file.write(
reinterpret_cast<char const*>(&(asset.header.vertexCount)),
sizeof(uint32_t)
);
file.write(
reinterpret_cast<const char*>(&(asset.header.indexCount)),
sizeof(uint32_t)
);
auto const vertexVec3Byte{ sizeof(SHVec3) * asset.header.vertexCount };
auto const vertexVec2Byte{ sizeof(SHVec2) * asset.header.vertexCount };
file.write(
reinterpret_cast<char const*>(asset.vertexPosition.data()),
vertexVec3Byte
);
file.write(
reinterpret_cast<char const*>(asset.vertexTangent.data()),
vertexVec3Byte
);
file.write(
reinterpret_cast<char const*>(asset.vertexNormal.data()),
vertexVec3Byte
);
file.write(
reinterpret_cast<char const*>(asset.texCoords.data()),
vertexVec2Byte
);
file.write(
reinterpret_cast<char const*>(asset.indices.data()),
sizeof(uint32_t) * asset.header.indexCount
);
file.close();
return newPath;
}
void SHMeshCompiler::LoadAndCompile(AssetPath path) noexcept
{
std::vector<SHMeshAsset*> meshes;
std::vector<SHAnimationAsset*> anims;
LoadFromFile(path, meshes, anims);
for (auto const& mesh : meshes)
{
CompileMeshBinary(*mesh, path.parent_path().string() + '/');
}
}
}

25
Assimp Compile Application/src/Libraries/SHMeshCompiler.h
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@ -12,15 +12,30 @@
*****************************************************************************/
#pragma once
#include "../Types/SHMeshAsset.h"
#include "../SHAssetMacros.h"
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <vector>
#include "Types/SHAnimationAsset.h"
#include "Types/SHMeshAsset.h"
#include "SHAssetMacros.h"
namespace SHADE
{
class SHMeshCompiler
{
private:
public:
static std::string CompileMeshBinary(SHMeshAsset const& asset) noexcept;
using MeshVectorRef = std::vector<SHMeshAsset*>&;
using AnimVectorRef = std::vector<SHAnimationAsset*>&;
static Assimp::Importer aiImporter;
static void ProcessNode(aiNode const& node, aiScene const& scene, MeshVectorRef meshes) noexcept;
static void ExtractAnimations(aiScene const& scene, AnimVectorRef anims) noexcept;
static SHMeshAsset* ProcessMesh(aiMesh const& mesh) noexcept;
static void LoadFromFile(AssetPath path, MeshVectorRef meshes, AnimVectorRef anims) noexcept;
static std::optional<AssetPath> CompileMeshBinary(SHMeshAsset const& asset, AssetPath path) noexcept;
public:
static void LoadAndCompile(AssetPath path) noexcept;
};
}

83
Assimp Compile Application/src/SHAssetMacros.h
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@ -14,17 +14,6 @@
#include <string>
#include <filesystem>
// FMOD Fwd Declare
namespace FMOD
{
class Sound;
class System;
class ChannelGroup;
class Channel;
}
enum FMOD_RESULT : int;
enum FMOD_SPEAKERMODE : int;
// Typedefs
typedef uint32_t AssetID;
typedef std::string AssetName;
@ -32,74 +21,34 @@ typedef std::filesystem::path AssetPath;
typedef unsigned char* AssetData;
typedef std::string AssetMetaVersion;
typedef std::string AssetExtension;
typedef unsigned char AssetTypeMeta;
typedef FMOD::Sound* SHSound;
// Asset Meta Version
#define ASSET_META_VER "1.0"
// Asset type enum
enum class AssetType : AssetTypeMeta
{
INVALID = 0,
AUDIO = 1,
SHADER,
MATERIAL,
IMAGE,
TEXTURE,
MESH,
SCRIPT,
SCENE,
PREFAB,
AUDIO_WAV,
DDS
};
typedef size_t AssetTypeMeta;
//Directory
#ifdef _PUBLISH
#define ASSET_ROOT "Assets"
constexpr std::string_view ASSET_ROOT{ "Assets" };
constexpr std::string_view BUILT_IN_ASSET_ROOT{ "Built_In" };
#else
#define ASSET_ROOT "../../Assets"
constexpr std::string_view ASSET_ROOT{ "../../Assets" };
constexpr std::string_view BUILT_IN_ASSET_ROOT{ "../../Built_In" };
#endif
// ASSET EXTENSIONS
#define META_EXTENSION ".shmeta"
#define IMAGE_EXTENSION ".png"
#define AUDIO_EXTENSION ".ogg"
#define AUDIO_WAV_EXTENSION ".wav"
#define SHADER_EXTENSION ".glsl"
#define SCRIPT_EXTENSION ".cs"
#define SCENE_EXTENSION ".SHADE"
#define PREFAB_EXTENSION ".SHPrefab"
#define MATERIAL_EXTENSION ".SHMat"
#define TEXTURE_EXTENSION ".shtex"
#define DDS_EXTENSION ".dds"
#define FBX_EXTENSION ".fbx"
#define GLTF_EXTENSION ".gltf"
#define MESH_EXTENSION ".shmesh"
constexpr std::string_view TEXTURE_EXTENSION {".shtex"};
constexpr std::string_view MESH_EXTENSION {".shmesh"};
std::string const EXTENSIONS[] = {
AUDIO_EXTENSION,
SHADER_EXTENSION,
MATERIAL_EXTENSION,
IMAGE_EXTENSION,
TEXTURE_EXTENSION,
DDS_EXTENSION,
MESH_EXTENSION,
SCRIPT_EXTENSION,
SCENE_EXTENSION,
PREFAB_EXTENSION,
AUDIO_WAV_EXTENSION,
// EXTERNAL EXTENSIONS
constexpr std::string_view FBX_EXTENSION{ ".fbx" };
constexpr std::string_view GLTF_EXTENSION{ ".gltf" };
constexpr std::string_view EXTERNALS[] = {
FBX_EXTENSION,
GLTF_EXTENSION
};
// Error flags
#define FILE_NOT_FOUND_ERR "FILE NOT FOUND"
#define META_NOT_FOUND_ERR "META NOT FOUND"
#define ASSET_NOT_FOUND_ERR "ASSET NOT FOUND"
#define EXT_DOES_NOT_EXIST "TYPE DOES NOT HAVE EXTENSION DEFINED"
constexpr std::string_view FILE_NOT_FOUND_ERR {"FILE NOT FOUND"};
constexpr std::string_view META_NOT_FOUND_ERR {"META NOT FOUND"};
constexpr std::string_view ASSET_NOT_FOUND_ERR {"ASSET NOT FOUND"};
constexpr std::string_view EXT_DOES_NOT_EXIST {"TYPE DOES NOT HAVE EXTENSION DEFINED"};
#endif // !SH_ASSET_MACROS_H

14
Assimp Compile Application/src/Types/SHMeshAsset.h
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@ -13,31 +13,29 @@
#pragma once
#include <vector>
#include <string>
#include <cstdint>
namespace SHADE
{
struct SHVec3
{
float x, y, z;
};
struct SHVec2
{
float x, y;
};
struct SHVec3
{
float x, y, z;
};
struct SHMeshAssetHeader
{
uint32_t vertexCount;
uint32_t indexCount;
std::string meshName;
std::string name;
};
struct SHMeshAsset
{
std::string parentPath;
bool compiled;
bool changed;

51
Assimp Compile Application/src/main.cpp Normal file
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@ -0,0 +1,51 @@
/******************************************************************************
* \file main.cpp
* \author Loh Xiao Qi
* \date 31 October 2022
* \brief
*
* \copyright Copyright (c) 2021 Digipen Institute of Technology. Reproduction
* or disclosure of this file or its contents without the prior
* written consent of Digipen Institute of Technology is prohibited.
******************************************************************************/
#include "Libraries/SHMeshCompiler.h"
#include <vector>
#include <filesystem>
int main(int argc, char* argv[])
{
std::vector<std::string> paths;
if (argc == 1)
{
if (std::filesystem::is_directory(ASSET_ROOT))
{
for (auto const& dir : std::filesystem::recursive_directory_iterator{ "./Assets/" })
{
if (dir.path().extension().string() == GLTF_EXTENSION)
{
paths.push_back(dir.path().string());
}
}
}
else
{
return 1;
}
}
else if (argc > 1)
{
for (int i { 1 }; i < argc; ++i)
{
paths.emplace_back(argv[i]);
}
}
for (auto const& path : paths)
{
SHADE::SHMeshCompiler::LoadAndCompile(path);
}
return 0;
}

3
premake5.lua
View File

@ -8,7 +8,8 @@ workspace "Assimp Compile Library"
configurations
{
"Debug",
"Release"
"Release",
"Publish"
}
flags