libcmo21/LibCmo/CK2/CKGlobals.cpp
2023-08-28 21:21:40 +08:00

246 lines
9.6 KiB
C++

#include "../VTUtils.hpp"
#if defined(LIBCMO_OS_WIN32)
#define ZLIB_WINAPI
#endif
#include <zconf.h>
#include "../VTEncoding.hpp"
#include "CKGlobals.hpp"
#include <map>
#include <algorithm>
#include <zlib.h>
#include "ObjImpls/CKObject.hpp"
namespace LibCmo::CK2 {
#pragma region Compression utilities
void* CKPackData(const void* Data, CKDWORD size, CKDWORD& NewSize, CKINT compressionlevel) {
uLong boundary = compressBound(static_cast<uLong>(size));
char* DestBuffer = new char[boundary];
uLongf _destLen = static_cast<uLongf>(boundary);
if (compress2(
reinterpret_cast<Bytef*>(DestBuffer), &_destLen,
reinterpret_cast<const Bytef*>(Data), static_cast<uLong>(size),
static_cast<int>(compressionlevel)) != Z_OK) {
NewSize = 0;
delete[] DestBuffer;
return nullptr;
}
NewSize = static_cast<CKDWORD>(_destLen);
return DestBuffer;
}
void* CKUnPackData(CKDWORD DestSize, const void* SrcBuffer, CKDWORD SrcSize) {
char* DestBuffer = new char[DestSize];
uLongf cache = DestSize;
if (uncompress(
reinterpret_cast<Bytef*>(DestBuffer), &cache,
reinterpret_cast<const Bytef*>(SrcBuffer), static_cast<uLong>(SrcSize)) != Z_OK) {
delete[] DestBuffer;
return nullptr;
}
return DestBuffer;
}
CKDWORD CKComputeDataCRC(const void* data, CKINT size, CKDWORD PreviousCRC) {
return static_cast<CKDWORD>(adler32(
static_cast<uLong>(PreviousCRC),
reinterpret_cast<const Bytef*>(data),
static_cast<uInt>(size)
));
}
#pragma endregion
#pragma region CKClass Registration
static XContainer::XArray<CKClassDesc> g_CKClassInfo;
static std::map<CK_CLASSID, size_t> g_CKClassInfoId2Idx;
static CK_CLASSID g_CKClassInfoMaxID = static_cast<CK_CLASSID>(0);
static void ComputeParentsTable(CKClassDesc& desc) {
// if it has done, do not process it again.
if (desc.Done) return;
// find direct parent
auto finder = g_CKClassInfoId2Idx.find(desc.Parent);
if (finder == g_CKClassInfoId2Idx.end()) LIBPANIC("No such CK_CLASSID.");
CKClassDesc& parent = g_CKClassInfo[finder->second];
// if it is not self inheritance, call recursively
if (desc.Self != desc.Parent) {
ComputeParentsTable(parent);
}
// copy parent's parents
desc.Parents = parent.Parents;
// and set self as its parent
finder = g_CKClassInfoId2Idx.find(desc.Self);
if (finder == g_CKClassInfoId2Idx.end()) LIBPANIC("No such CK_CLASSID.");
desc.Parents[finder->second] = true;
// set derivation level
desc.DerivationLevel = parent.DerivationLevel + 1;
// set done
desc.Done = CKTRUE;
}
static void CKBuildClassHierarchyTable() {
// set Done to false and resize all XBitArray
size_t classCount = g_CKClassInfo.size();
for (auto& item : g_CKClassInfo) {
item.Done = CKFALSE;
item.Parents.resize(classCount, false);
item.Children.resize(classCount, false);
}
// compute parents
for (auto& item : g_CKClassInfo) {
ComputeParentsTable(item);
}
// compute children by parents table
// iterate CKClassDesc::Parents and register it self to gotten parents
for (auto& item : g_CKClassInfo) {
auto finder = g_CKClassInfoId2Idx.find(item.Self);
if (finder == g_CKClassInfoId2Idx.end()) LIBPANIC("No such CK_CLASSID.");
size_t selfidx = finder->second;
for (size_t idx = 0; idx < classCount; ++idx) {
// if this idx is its parent,
// add self to parent.
if (item.Parents[idx]) {
g_CKClassInfo[idx].Children[selfidx] = true;
}
}
}
}
void CKClassRegister(CK_CLASSID cid, CK_CLASSID parentCid,
CKClassCreationFct createFct, CKClassReleaseFct relFct, CKClassNameFct nameFct) {
CKClassDesc desc;
desc.Self = cid;
desc.Parent = parentCid;
desc.CreationFct = createFct;
desc.ReleaseFct = relFct;
desc.NameFct = nameFct;
g_CKClassInfoId2Idx.emplace(cid, g_CKClassInfo.size());
g_CKClassInfo.emplace_back(std::move(desc));
g_CKClassInfoMaxID = std::max(g_CKClassInfoMaxID, cid);
}
#pragma endregion
#pragma region Class Hierarchy Management
CKINT CKGetClassCount() {
return g_CKClassInfo.size();
}
const CKClassDesc* CKGetClassDesc(CK_CLASSID cid) {
auto finder = g_CKClassInfoId2Idx.find(cid);
if (finder == g_CKClassInfoId2Idx.end()) return nullptr;
return g_CKClassInfo.data() + finder->second;
}
CKSTRING CKClassIDToString(CK_CLASSID cid) {
auto finder = g_CKClassInfoId2Idx.find(cid);
if (finder == g_CKClassInfoId2Idx.end() || g_CKClassInfo[finder->second].NameFct == nullptr) return "Invalid Class Identifier";
return g_CKClassInfo[finder->second].NameFct();
}
CKBOOL CKIsChildClassOf(CK_CLASSID child, CK_CLASSID parent) {
// get corresponding index first
// if we can't find it, return false anyway.
auto finder = g_CKClassInfoId2Idx.find(child);
if (finder == g_CKClassInfoId2Idx.end()) return CKFALSE;
size_t child_idx = finder->second;
finder = g_CKClassInfoId2Idx.find(parent);
if (finder == g_CKClassInfoId2Idx.end()) return CKFALSE;
size_t parent_idx = finder->second;
return g_CKClassInfo[child_idx].Parents[parent_idx];
}
CK_CLASSID CKGetParentClassID(CK_CLASSID child) {
auto finder = g_CKClassInfoId2Idx.find(child);
if (finder == g_CKClassInfoId2Idx.end()) LIBPANIC("No such CK_CLASSID.");
return g_CKClassInfo[finder->second].Parent;
}
CK_CLASSID CKGetCommonParent(CK_CLASSID cid1, CK_CLASSID cid2) {
// I don't know algorithm, I just copy the decompiled code.
while (true) {
if (CKIsChildClassOf(cid1, cid2)) return cid2;
if (CKIsChildClassOf(cid2, cid1)) break;
cid2 = CKGetParentClassID(cid1);
cid1 = cid2;
}
return cid1;
}
#pragma endregion
#pragma region Initializations functions
CKERROR CKStartUp() {
// todo: add class type registrations
CKClassRegister(CK_CLASSID::CKCID_OBJECT, CK_CLASSID::CKCID_OBJECT,
[](CKContext* ctx, CK_ID id, CKSTRING name) -> ObjImpls::CKObject* { return new ObjImpls::CKObject(ctx, id, name); },
[](CKContext* ctx, ObjImpls::CKObject* obj) -> void { delete obj; },
[]() -> CKSTRING { return "Basic Object"; });
/*
// register CKObjects
m_ObjectsCreationMap{
{CK_CLASSID::CKCID_OBJECT, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKObject(ctx, id, name); })},
{CK_CLASSID::CKCID_SCENEOBJECT, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKSceneObject(ctx, id, name); })},
{CK_CLASSID::CKCID_BEOBJECT, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKBeObject(ctx, id, name); })},
{CK_CLASSID::CKCID_GROUP, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKGroup(ctx, id, name); })},
{CK_CLASSID::CKCID_MESH, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKMesh(ctx, id, name); })},
{CK_CLASSID::CKCID_TEXTURE, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKTexture(ctx, id, name); })},
{CK_CLASSID::CKCID_MATERIAL, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKMaterial(ctx, id, name); })},
{CK_CLASSID::CKCID_RENDEROBJECT, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKRenderObject(ctx, id, name); })},
{CK_CLASSID::CKCID_3DENTITY, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CK3dEntity(ctx, id, name); })},
{CK_CLASSID::CKCID_PARAMETERIN, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKParameterIn(ctx, id, name); })},
{CK_CLASSID::CKCID_PARAMETER, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKParameter(ctx, id, name); })},
{CK_CLASSID::CKCID_PARAMETEROUT, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKParameterOut(ctx, id, name); })},
{CK_CLASSID::CKCID_PARAMETERLOCAL, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKParameterLocal(ctx, id, name); })},
{CK_CLASSID::CKCID_PARAMETEROPERATION, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKParameterOperation(ctx, id, name); })},
{CK_CLASSID::CKCID_BEHAVIORLINK, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKBehaviorLink(ctx, id, name); })},
{CK_CLASSID::CKCID_BEHAVIORIO, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKBehaviorLink(ctx, id, name); })},
{CK_CLASSID::CKCID_BEHAVIOR, ([](CKContext* ctx, CK_ID id, CKSTRING name) ->CKObjectImplements::CKObject* { return new(std::nothrow) CKObjectImplements::CKBehavior(ctx, id, name); })}
},
// register CKBaseManagers
m_ManagersCreationMap{
{ATTRIBUTE_MANAGER_GUID, ([](CKContext* ctx, CK_ID id) ->CKManagerImplements::CKBaseManager* { return new(std::nothrow) CKManagerImplements::CKAttributeManager(ctx, id); })},
}
*/
CKBuildClassHierarchyTable();
return CKERROR::CKERR_OK;
}
CKERROR CKShutdown() {
// free class indo
g_CKClassInfo.clear();
g_CKClassInfoId2Idx.clear();
g_CKClassInfoMaxID = static_cast<CK_CLASSID>(0);
return CKERROR::CKERR_OK;
}
#pragma endregion
}