c3bce5ee83
Batch #991 by ragnarok-clanker: 1 byte-identical, 0 confirmed by peer review. - fn_08041 CPaletteRes::Unload: byte-identical Merged automatically: every function is byte-identical to the original. Adds to the build: Source/Resource/PaletteResource.cpp
147 lines
3.5 KiB
C++
147 lines
3.5 KiB
C++
#include "Client/Application/ErrorDialog.h"
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#include "File/File.h"
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#include "File/ResourcePath.h"
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#include "Archive/PakRegistry.h"
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#include "Render/DeviceContext/DCSurface.h"
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#include <cstring>
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// INLINED
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CFile::CFile() : m_handle(INVALID_HANDLE_VALUE), m_data(nullptr), m_position(0), m_size(0) {
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}
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// OFFSET: 0x00522230
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// FUNCTION: fn_01124
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CFile::~CFile() {
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this->Close();
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}
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// INLINED
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bool CFile::OpenWrite(const char* path, CRenderSystemBase* renderSystem) {
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this->m_path = path;
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this->m_handle = CreateFileA(path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
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if (this->m_handle == INVALID_HANDLE_VALUE) {
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ShowErrorDialog(renderSystem, this->m_path.c_str(), 0);
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return false;
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}
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LARGE_INTEGER size;
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GetFileSizeEx(this->m_handle, &size);
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this->m_size = size.LowPart;
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return true;
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}
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// OFFSET: 0x0057C030
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// OFFSET: 0x0057C340
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// FUNCTION: fn_02601
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bool CFile::Write(const void* data, std::uint32_t bytes) {
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DWORD written;
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return this->m_handle != INVALID_HANDLE_VALUE && WriteFile(this->m_handle, data, bytes, &written, nullptr);
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}
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// OFFSET: 0x0057C260
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// FUNCTION: fn_02599
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bool CFile::Read(void* data, std::uint32_t bytes) {
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if (this->m_handle != INVALID_HANDLE_VALUE) {
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DWORD read;
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return ReadFile(this->m_handle, data, bytes, &read, nullptr) != FALSE;
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}
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if (!this->m_data || this->m_position + bytes > this->m_size) {
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return false;
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}
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std::memcpy(data, static_cast<const unsigned char*>(this->m_data) + this->m_position, bytes);
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this->m_position += bytes;
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return true;
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}
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// OFFSET: 0x0057C1E0
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// FUNCTION: fn_02598
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bool CFile::Peek(void* data, std::uint32_t bytes) {
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if (this->m_handle != INVALID_HANDLE_VALUE) {
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DWORD read;
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if (!ReadFile(this->m_handle, data, bytes, &read, nullptr)) {
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return false;
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}
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LARGE_INTEGER distance;
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distance.QuadPart = static_cast<std::uint32_t>(0u - bytes);
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SetFilePointerEx(this->m_handle, distance, nullptr, FILE_CURRENT);
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return true;
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}
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if (!this->m_data || this->m_position + bytes > this->m_size) {
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return false;
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}
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std::memcpy(data, static_cast<const unsigned char*>(this->m_data) + this->m_position, bytes);
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return true;
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}
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// OFFSET: 0x0057C2D0
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// FUNCTION: fn_02600
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bool CFile::Seek(std::uint32_t distance, DWORD origin) {
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if (this->m_handle != INVALID_HANDLE_VALUE) {
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LARGE_INTEGER offset;
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offset.QuadPart = distance;
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SetFilePointerEx(this->m_handle, offset, nullptr, origin);
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return true;
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}
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if (!this->m_data) {
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return false;
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}
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switch (origin) {
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case FILE_BEGIN:
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this->m_position = distance;
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break;
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case FILE_CURRENT:
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this->m_position += distance;
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break;
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case FILE_END:
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this->m_position = this->m_size + distance;
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break;
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}
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if (this->m_position > this->m_size) {
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this->m_position = this->m_size;
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return false;
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}
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return true;
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}
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// OFFSET: 0x0057B940
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// FUNCTION: fn_02592
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void CFile::Close() {
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if (this->m_handle == INVALID_HANDLE_VALUE) {
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if (this->m_data) {
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VirtualFree(this->m_data, 0, MEM_RELEASE);
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this->m_data = nullptr;
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}
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} else {
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CloseHandle(this->m_handle);
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this->m_handle = INVALID_HANDLE_VALUE;
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}
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}
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// OFFSET: 0x0057BB20
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// FUNCTION: fn_02593
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void* CFile::ReadPtr(std::uint32_t bytes) {
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std::uint32_t offset = this->m_position;
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this->m_position = offset + bytes;
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return static_cast<char*>(this->m_data) + offset;
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}
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// OFFSET: 0x0057BB40
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// FUNCTION: fn_02594
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bool CFile::IsEOF() const {
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return this->m_position >= this->m_size;
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}
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