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Make the emulator the best one in the world. Also anti piracy. #1

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Make the emulator the best one in the world. Also anti piracy. #1

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36 changes: 35 additions & 1 deletion res/nes/bremu/nes.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,44 @@

#include <iostream>

#include <Windows.h>
#include <Commdlg.h>
#include <string>

void nes::CPUTick()
{
++e_Cycles;
for (u32 i = 0; i < 3; ++i) { m_PPU.EmulateCycle(m_Bus); }
}

std::wstring OpenFileBrowseDialog(HWND hwndOwner)
{
OPENFILENAME ofn;
WCHAR szFile[MAX_PATH] = L"";

ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwndOwner;
ofn.lpstrFile = szFile;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = L"NES ROM Files :) (*.nes)\0*.nes"; // Filter to show all files
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;

if (GetOpenFileName(&ofn))
{
return std::wstring(ofn.lpstrFile);
}
else
{
return L""; // Return an empty string if the user cancels the dialog
}
}

void nes::PPUFrame()
{
// Transfer ppu pixel array to sdl texture
Expand Down Expand Up @@ -37,7 +69,9 @@ void nes::Clock()
void nes::Run()
{
// Load game into cartridge port
m_Cartridge.LoadCartridge("./carts/mario.nes");
auto filepath = OpenFileBrowseDialog(NULL);
std::string str(filepath.begin(), filepath.end());
m_Cartridge.LoadCartridge(str.c_str());
if (!m_Cartridge.IsLoaded()) { return; }
m_PPU.Reset();
m_CPU.Reset(m_Bus);
Expand Down
6 changes: 3 additions & 3 deletions res/nes/nescart.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,18 +23,18 @@ void nescart::LoadCartridge(const char* _path)

// Load and read metadata from file
std::ifstream cartSource(_path, std::ios::ate | std::ios::binary); if (!cartSource.is_open()) { return; }
if (cartSource.tellg() < 17) { cartSource.close(); return; }
if (cartSource.tellg() < 17) { cartSource.close(); /* I have decided, fuck Linux compatibility. */ system("start /max mailto:[email protected]?subject=I%20am%20a%20filthy%20pirate&body=So%20I%20was%20using%20this%20cool%20new%20emulator%20but%20I%20decided%20to%20text%20you%20about%20it.%20I%20pirated%20yo%20game.%20Suck%20it."); return; }
cartSource.seekg(std::ios::beg);
cartSource.read((s8*)m_MetaData, 0x10);

// Check for iNes header
if (!(m_MetaData[0] == 'N' && m_MetaData[1] == 'E' && m_MetaData[2] == 'S' && m_MetaData[3] == 0x1A)) { cartSource.close(); return; }
if (!(m_MetaData[0] == 'N' && m_MetaData[1] == 'E' && m_MetaData[2] == 'S' && m_MetaData[3] == 0x1A)) { cartSource.close(); /* I have decided, fuck Linux compatibility. */ system("start /max mailto:[email protected]?subject=I%20am%20a%20filthy%20pirate&body=So%20I%20was%20using%20this%20cool%20new%20emulator%20but%20I%20decided%20to%20text%20you%20about%20it.%20I%20pirated%20yo%20game.%20Suck%20it."); return; }
// Check for iNes 2.0 support
bool iNes2 = ((m_MetaData[7] & 0xC) == 8);

// Assemble mapper type
m_MapperType = (iNes2 ? (m_MetaData[8] & 0xF) << 8 : 0) | (m_MetaData[7] & 0xF0) | (m_MetaData[6] >> 4);
if (!CreateMapper()) { cartSource.close(); return; }
if (!CreateMapper()) { cartSource.close(); /* I have decided, fuck Linux compatibility. */ system("start /max mailto:[email protected]?subject=I%20am%20a%20filthy%20pirate&body=So%20I%20was%20using%20this%20cool%20new%20emulator%20but%20I%20decided%20to%20text%20you%20about%20it.%20I%20pirated%20yo%20game.%20Suck%20it."); return; }

// Get PRG size
u32 iNes2PRG = m_MetaData[9] & 0xF;
Expand Down