libcmo21/BMap/BMap.cpp

298 lines
10 KiB
C++

#include "BMap.hpp"
namespace BMap {
#pragma region BMMeshTransition
BMMeshTransition::TransitionVertex::TransitionVertex(
const LibCmo::VxMath::VxVector3& vec,
const LibCmo::VxMath::VxVector3& norm,
const LibCmo::VxMath::VxVector2& uv) :
m_Vertex(vec), m_Norm(norm), m_UV(uv) {}
BMMeshTransition::TransitionFace::TransitionFace(LibCmo::CKDWORD _i1, LibCmo::CKDWORD _i2, LibCmo::CKDWORD _i3, LibCmo::CKDWORD mtl_id) :
m_Idx1(_i1), m_Idx2(_i2), m_Idx3(_i3), m_MtlSlotIdx(mtl_id) {}
bool BMMeshTransition::TransitionVertexCompare::operator()(const TransitionVertex& lhs, const TransitionVertex& rhs) const {
if (auto cmp = std::memcmp(&lhs.m_Vertex, &rhs.m_Vertex, sizeof(LibCmo::VxMath::VxVector3)); cmp != 0) return cmp < 0;
if (auto cmp = std::memcmp(&lhs.m_Norm, &rhs.m_Norm, sizeof(LibCmo::VxMath::VxVector3)); cmp != 0) return cmp < 0;
return std::memcmp(&lhs.m_UV, &rhs.m_UV, sizeof(LibCmo::VxMath::VxVector2)) < 0;
}
BMMeshTransition::BMMeshTransition() :
m_IsVertexOK(false), m_IsNormalOK(false), m_IsUVOK(false), m_IsFaceOK(false), m_IsMtlSlotOK(false),
m_IsParsed(false),
m_Vertexs(), m_Normals(), m_UVs(),
m_MtlSlots(),
m_FaceVertexs(), m_FaceNormals(), m_FaceUVs(), m_FaceMtlSlotIdxs(),
m_ProcVertexs(), m_ProcFaces(), m_ProcDupRemover() {}
BMMeshTransition::~BMMeshTransition() {}
bool BMMeshTransition::PrepareVertexCount(LibCmo::CKDWORD count) {
if (m_IsParsed) return false;
m_Vertexs.resize(count);
m_IsVertexOK = true;
return true;
}
LibCmo::VxMath::VxVector3* BMMeshTransition::PrepareVertex() {
if (m_IsParsed || !m_IsVertexOK) return nullptr;
return m_Vertexs.data();
}
bool BMMeshTransition::PrepareNormalCount(LibCmo::CKDWORD count) {
if (m_IsParsed) return false;
m_Normals.resize(count);
m_IsNormalOK = true;
return true;
}
LibCmo::VxMath::VxVector3* BMMeshTransition::PrepareNormal() {
if (m_IsParsed || !m_IsNormalOK) return nullptr;
return m_Normals.data();
}
bool BMMeshTransition::PrepareUVCount(LibCmo::CKDWORD count) {
if (m_IsParsed) return false;
m_UVs.resize(count);
m_IsUVOK = true;
return true;
}
LibCmo::VxMath::VxVector2* BMMeshTransition::PrepareUV() {
if (m_IsParsed || !m_IsUVOK) return nullptr;
return m_UVs.data();
}
bool BMMeshTransition::PrepareMtlSlotCount(LibCmo::CKDWORD count) {
if (m_IsParsed) return false;
m_MtlSlots.resize(count, nullptr);
m_IsMtlSlotOK = true;
return true;
}
LibCmo::CK2::ObjImpls::CKMaterial** BMMeshTransition::PrepareMtlSlot() {
if (m_IsParsed || !m_IsMtlSlotOK) return nullptr;
return m_MtlSlots.data();
}
bool BMMeshTransition::PrepareFaceCount(LibCmo::CKDWORD count) {
if (m_IsParsed) return false;
m_FaceVertexs.resize(count * 3);
m_FaceNormals.resize(count * 3);
m_FaceUVs.resize(count * 3);
m_FaceMtlSlotIdxs.resize(count);
m_IsFaceOK = true;
return true;
}
LibCmo::CKDWORD* BMMeshTransition::PrepareFaceVertexIndices() {
if (m_IsParsed || !m_IsFaceOK) return nullptr;
return m_FaceVertexs.data();
}
LibCmo::CKDWORD* BMMeshTransition::PrepareFaceNormalIndices() {
if (m_IsParsed || !m_IsFaceOK) return nullptr;
return m_FaceVertexs.data();
}
LibCmo::CKDWORD* BMMeshTransition::PrepareFaceUVIndices() {
if (m_IsParsed || !m_IsFaceOK) return nullptr;
return m_FaceVertexs.data();
}
LibCmo::CKDWORD* BMMeshTransition::PrepareFaceMtlSlot() {
if (m_IsParsed || !m_IsFaceOK) return nullptr;
return m_FaceVertexs.data();
}
bool BMMeshTransition::Parse(LibCmo::CK2::ObjImpls::CKMesh* write_into_mesh) {
if (m_IsParsed || write_into_mesh == nullptr) return false;
if (!m_IsVertexOK || !m_IsNormalOK || !m_IsUVOK || !m_IsFaceOK || !m_IsMtlSlotOK) return false;
m_IsParsed = true;
// do parse
DoRealParse();
// check vertex overflow
if (m_ProcVertexs.size() > std::numeric_limits<LibCmo::CKWORD>::max()) {
return false;
}
// check mtl slot overflow
if (m_MtlSlots.size() > std::numeric_limits<LibCmo::CKWORD>::max()) {
return false;
}
// apply to mesh
ApplyToMesh(write_into_mesh);
return true;
}
void BMMeshTransition::DoRealParse() {
// reserve vector to prevent extra mem alloc
// use the most bad situation to reserve
size_t face_size = m_FaceMtlSlotIdxs.size();
m_ProcVertexs.reserve(face_size * 3);
m_ProcFaces.reserve(face_size);
// iterate face
for (size_t faceid = 0; faceid < face_size; ++faceid) {
LibCmo::CKDWORD idx[3];
for (int j = 0; j < 3; ++j) {
// create one first
TransitionVertex tvec(
m_Vertexs[m_FaceVertexs[faceid * 3 + j]],
m_Normals[m_FaceVertexs[faceid * 3 + j]],
m_UVs[m_FaceVertexs[faceid * 3 + j]]
);
// try insert it
auto insert_result = m_ProcDupRemover.try_emplace(tvec, static_cast<LibCmo::CKDWORD>(m_ProcVertexs.size()));
// get the new inserted index or existed index.
idx[j] = insert_result.first->second;
// if insert successfully, append to proc vertexs
if (insert_result.second) {
m_ProcVertexs.emplace_back(tvec);
}
}
// create face
m_ProcFaces.emplace_back(idx[0], idx[1], idx[2], m_FaceMtlSlotIdxs[faceid]);
}
}
void BMMeshTransition::ApplyToMesh(LibCmo::CK2::ObjImpls::CKMesh* write_into_mesh) {
LibCmo::CKDWORD vec_count = static_cast<LibCmo::CKDWORD>(m_ProcVertexs.size()),
face_count = static_cast<LibCmo::CKDWORD>(m_ProcFaces.size()),
mtl_count = static_cast<LibCmo::CKDWORD>(m_MtlSlots.size());
write_into_mesh->CleanMesh();
// write vertex
write_into_mesh->SetVertexCount(vec_count);
LibCmo::VxMath::VxCopyStructure(
vec_count,
write_into_mesh->GetVertexPositions(),
CKSizeof(LibCmo::VxMath::VxVector3),
CKSizeof(LibCmo::VxMath::VxVector3),
&m_ProcVertexs.data()->m_Vertex,
CKSizeof(TransitionVertex)
);
LibCmo::VxMath::VxCopyStructure(
vec_count,
write_into_mesh->GetVertexNormals(),
CKSizeof(LibCmo::VxMath::VxVector3),
CKSizeof(LibCmo::VxMath::VxVector3),
&m_ProcVertexs.data()->m_Norm,
CKSizeof(TransitionVertex)
);
LibCmo::VxMath::VxCopyStructure(
vec_count,
write_into_mesh->GetVertexUVs(),
CKSizeof(LibCmo::VxMath::VxVector2),
CKSizeof(LibCmo::VxMath::VxVector2),
&m_ProcVertexs.data()->m_UV,
CKSizeof(TransitionVertex)
);
// write face
write_into_mesh->SetFaceCount(face_count);
auto pIndices = write_into_mesh->GetFaceIndices();
auto pMtlIdx = write_into_mesh->GetFaceMaterialSlotIndexs();
for (LibCmo::CKDWORD i = 0; i < face_count; ++i) {
*(pIndices++) = static_cast<LibCmo::CKWORD>(m_ProcFaces[i].m_Idx1);
*(pIndices++) = static_cast<LibCmo::CKWORD>(m_ProcFaces[i].m_Idx2);
*(pIndices++) = static_cast<LibCmo::CKWORD>(m_ProcFaces[i].m_Idx3);
*(pMtlIdx++) = static_cast<LibCmo::CKWORD>(m_ProcFaces[i].m_MtlSlotIdx);
}
// set mtl slot
write_into_mesh->SetMaterialSlotCount(mtl_count);
auto pMtlSlot = write_into_mesh->GetMaterialSlots();
for (LibCmo::CKDWORD i = 0; i < mtl_count; ++i) {
*(pMtlSlot++) = m_MtlSlots[i];
}
}
#pragma endregion
#pragma region BMfile
BMFile::BMFile(LibCmo::CKSTRING temp_folder, LibCmo::CKSTRING texture_folder, LibCmo::CKDWORD encoding_count, LibCmo::CKSTRING encodings[], bool is_reader) :
m_IsReader(is_reader), m_IsFreezed(false) {
m_Context = new LibCmo::CK2::CKContext();
// set temp folder and texture folder
auto pm = m_Context->GetPathManager();
m_IsFreezed = m_IsFreezed || !pm->AddPath(texture_folder);
m_IsFreezed = m_IsFreezed || !pm->SetTempFolder(temp_folder);
// set encoding
LibCmo::XContainer::XArray<LibCmo::XContainer::XString> cache;
for (LibCmo::CKDWORD i = 0; i < encoding_count; ++i) {
if (encodings[i] != nullptr)
cache.emplace_back(encodings[i]);
}
m_Context->SetEncoding(cache);
// set default texture save mode is external
m_Context->SetGlobalImagesSaveOptions(LibCmo::CK2::CK_TEXTURE_SAVEOPTIONS::CKTEXTURE_EXTERNAL);
}
BMFile::~BMFile() {
delete m_Context;
}
bool BMFile::IsFreezed() {
return m_IsFreezed;
}
bool BMFile::Load(LibCmo::CKSTRING filename) {
if (m_IsFreezed || !m_IsReader) return false;
return true;
}
bool BMFile::Save(LibCmo::CKSTRING filename, LibCmo::CKINT compress_level) {
if (m_IsFreezed || m_IsReader) return false;
// set freezed to stop any change again.
// aka, only allow save once.
m_IsFreezed = true;
return true;
}
LibCmo::CK2::ObjImpls::CKObject* BMFile::GetObjectPtr(LibCmo::CK2::CK_ID objid) {
return m_Context->GetObject(objid);;
}
LibCmo::CKDWORD BMFile::GetGroupCount() { return CommonGetObjectCount(m_ObjGroups); }
LibCmo::CK2::CK_ID BMFile::GetGroup(LibCmo::CKDWORD idx) { return CommonGetObject(m_ObjGroups, idx); }
LibCmo::CK2::CK_ID BMFile::CreateGroup(LibCmo::CKSTRING name) {
return CommonCreateObject(m_ObjGroups, LibCmo::CK2::CK_CLASSID::CKCID_GROUP, name);
}
LibCmo::CKDWORD BMFile::Get3dObjectCount() { return CommonGetObjectCount(m_Obj3dObjects); }
LibCmo::CK2::CK_ID BMFile::Get3dObject(LibCmo::CKDWORD idx) { return CommonGetObject(m_Obj3dObjects, idx); }
LibCmo::CK2::CK_ID BMFile::Create3dObject(LibCmo::CKSTRING name) {
return CommonCreateObject(m_Obj3dObjects, LibCmo::CK2::CK_CLASSID::CKCID_3DOBJECT, name);
}
LibCmo::CKDWORD BMFile::GetMeshCount() { return CommonGetObjectCount(m_ObjMeshs); }
LibCmo::CK2::CK_ID BMFile::GetMesh(LibCmo::CKDWORD idx) { return CommonGetObject(m_ObjMeshs, idx); }
LibCmo::CK2::CK_ID BMFile::CreateMesh(LibCmo::CKSTRING name) {
return CommonCreateObject(m_ObjMeshs, LibCmo::CK2::CK_CLASSID::CKCID_MESH, name);
}
LibCmo::CKDWORD BMFile::GetMaterialCount() { return CommonGetObjectCount(m_ObjMaterials); }
LibCmo::CK2::CK_ID BMFile::GetMaterial(LibCmo::CKDWORD idx) { return CommonGetObject(m_ObjMaterials, idx); }
LibCmo::CK2::CK_ID BMFile::CreateMaterial(LibCmo::CKSTRING name) {
return CommonCreateObject(m_ObjMaterials, LibCmo::CK2::CK_CLASSID::CKCID_MATERIAL, name);
}
LibCmo::CKDWORD BMFile::GetTextureCount() { return CommonGetObjectCount(m_ObjTextures); }
LibCmo::CK2::CK_ID BMFile::GetTexture(LibCmo::CKDWORD idx) { return CommonGetObject(m_ObjTextures, idx); }
LibCmo::CK2::CK_ID BMFile::CreateTexture(LibCmo::CKSTRING name) {
return CommonCreateObject(m_ObjTextures, LibCmo::CK2::CK_CLASSID::CKCID_TEXTURE, name);
}
#pragma endregion
}