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dolphin/Source/Core/DolphinWX/Cheats/CheatSearchTab.cpp

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// Copyright 2014 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <cstring>
#include <wx/arrstr.h>
#include <wx/button.h>
#include <wx/choice.h>
#include <wx/listctrl.h>
#include <wx/panel.h>
#include <wx/radiobox.h>
#include <wx/radiobut.h>
#include <wx/sizer.h>
#include <wx/stattext.h>
#include <wx/textctrl.h>
#include <wx/timer.h>
#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
#include "Core/ActionReplay.h"
#include "Core/Core.h"
#include "Core/HW/Memmap.h"
#include "DolphinWX/Cheats/CheatSearchTab.h"
#include "DolphinWX/Cheats/CreateCodeDialog.h"
#include "DolphinWX/WxUtils.h"
static constexpr unsigned int MAX_CHEAT_SEARCH_RESULTS_DISPLAY = 1024;
CheatSearchTab::CheatSearchTab(wxWindow* const parent) : wxPanel(parent)
{
m_update_timer.SetOwner(this);
Bind(wxEVT_TIMER, &CheatSearchTab::OnTimerUpdate, this);
// first scan button
m_btn_init_scan = new wxButton(this, wxID_ANY, _("New Scan"));
m_btn_init_scan->SetToolTip(_("Perform a full index of the game's RAM at the current Data Size. "
"Required before any Searching can be performed."));
m_btn_init_scan->Bind(wxEVT_BUTTON, &CheatSearchTab::OnNewScanClicked, this);
m_btn_init_scan->Disable();
// next scan button
m_btn_next_scan = new wxButton(this, wxID_ANY, _("Next Scan"));
m_btn_next_scan->SetToolTip(_("Eliminate items from the current scan results that do not match "
"the current Search settings."));
m_btn_next_scan->Bind(wxEVT_BUTTON, &CheatSearchTab::OnNextScanClicked, this);
m_btn_next_scan->Disable();
m_label_scan_disabled = new wxStaticText(this, wxID_ANY, _("No game is running."));
// create AR code button
m_btn_create_code = new wxButton(this, wxID_ANY, _("Create AR Code"));
m_btn_create_code->Bind(wxEVT_BUTTON, &CheatSearchTab::OnCreateARCodeClicked, this);
m_btn_create_code->Disable();
// data sizes radiobox
std::array<wxString, 3> data_size_names = {{_("8-bit"), _("16-bit"), _("32-bit")}};
m_data_sizes = new wxRadioBox(this, wxID_ANY, _("Data Size"), wxDefaultPosition, wxDefaultSize,
static_cast<int>(data_size_names.size()), data_size_names.data());
// ListView for search results
m_lview_search_results = new wxListView(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxLC_REPORT | wxLC_SINGLE_SEL);
m_lview_search_results->AppendColumn(_("Address"));
m_lview_search_results->AppendColumn(_("Value"));
m_lview_search_results->AppendColumn(_("Value (float)"));
m_lview_search_results->AppendColumn(_("Value (double)"));
m_lview_search_results->Bind(wxEVT_LIST_ITEM_ACTIVATED, &CheatSearchTab::OnListViewItemActivated,
this);
m_lview_search_results->Bind(wxEVT_LIST_ITEM_SELECTED, &CheatSearchTab::OnListViewItemSelected,
this);
m_lview_search_results->Bind(wxEVT_LIST_ITEM_DESELECTED, &CheatSearchTab::OnListViewItemSelected,
this);
// Result count
m_label_results_count = new wxStaticText(this, wxID_ANY, _("Count:"));
const int space5 = FromDIP(5);
// results groupbox
wxStaticBoxSizer* const sizer_cheat_search_results =
new wxStaticBoxSizer(wxVERTICAL, this, _("Results"));
sizer_cheat_search_results->AddSpacer(space5);
sizer_cheat_search_results->Add(m_label_results_count, 0, wxLEFT | wxRIGHT, space5);
sizer_cheat_search_results->AddSpacer(space5);
sizer_cheat_search_results->Add(m_lview_search_results, 1, wxEXPAND | wxLEFT | wxRIGHT, space5);
sizer_cheat_search_results->AddSpacer(space5);
sizer_cheat_search_results->Add(m_btn_create_code, 0, wxEXPAND | wxLEFT | wxRIGHT, space5);
sizer_cheat_search_results->AddSpacer(space5);
// search value textbox
m_textctrl_value_x = new wxTextCtrl(this, wxID_ANY, "0x0");
m_textctrl_value_x->SetMinSize(WxUtils::GetTextWidgetMinSize(m_textctrl_value_x, "0x00000000 "));
m_textctrl_value_x->SetToolTip(
_("Value to match against. Can be Hex (\"0x\"), Octal (\"0\") or Decimal. "
"Leave blank to filter each result against its own previous value."));
// Filter types in the compare dropdown
// TODO: Implement between search
wxArrayString filters;
filters.Add(_("Unknown"));
filters.Add(_("Not Equal"));
filters.Add(_("Equal"));
filters.Add(_("Greater Than"));
filters.Add(_("Less Than"));
m_search_type = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, filters);
m_search_type->Select(0);
wxStaticBoxSizer* const sizer_cheat_search_filter =
new wxStaticBoxSizer(wxVERTICAL, this, _("Search (clear to use previous value)"));
sizer_cheat_search_filter->AddSpacer(space5);
sizer_cheat_search_filter->Add(m_textctrl_value_x, 0, wxEXPAND | wxLEFT | wxRIGHT, space5);
sizer_cheat_search_filter->AddSpacer(space5);
sizer_cheat_search_filter->Add(m_search_type, 0, wxLEFT | wxRIGHT, space5);
sizer_cheat_search_filter->AddSpacer(space5);
// button sizer
wxBoxSizer* boxButtons = new wxBoxSizer(wxHORIZONTAL);
boxButtons->Add(m_btn_init_scan, 1);
boxButtons->Add(m_btn_next_scan, 1, wxLEFT, space5);
// right sizer
wxBoxSizer* const sizer_right = new wxBoxSizer(wxVERTICAL);
sizer_right->Add(m_data_sizes, 0, wxEXPAND);
sizer_right->Add(sizer_cheat_search_filter, 0, wxEXPAND | wxTOP, space5);
sizer_right->AddStretchSpacer(1);
sizer_right->Add(m_label_scan_disabled, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, space5);
sizer_right->Add(boxButtons, 0, wxEXPAND | wxTOP, space5);
// main sizer
wxBoxSizer* const sizer_main = new wxBoxSizer(wxHORIZONTAL);
sizer_main->AddSpacer(space5);
sizer_main->Add(sizer_cheat_search_results, 1, wxEXPAND | wxTOP | wxBOTTOM, space5);
sizer_main->AddSpacer(space5);
sizer_main->Add(sizer_right, 0, wxEXPAND | wxTOP | wxBOTTOM, space5);
sizer_main->AddSpacer(space5);
SetSizerAndFit(sizer_main);
}
void CheatSearchTab::UpdateGUI()
{
bool core_running = Core::IsRunning();
m_btn_init_scan->Enable(core_running);
m_btn_next_scan->Enable(core_running && m_scan_is_initialized);
m_label_scan_disabled->Show(!core_running);
Layout(); // Label shown/hidden may require layout adjustment
}
void CheatSearchTab::OnNewScanClicked(wxCommandEvent& WXUNUSED(event))
{
if (!Core::IsRunningAndStarted())
{
WxUtils::ShowErrorDialog(_("A game is not currently running."));
return;
}
// Determine the user-selected data size for this search.
m_search_type_size = (1 << m_data_sizes->GetSelection());
// Set up the search results efficiently to prevent automatic re-allocations.
m_search_results.clear();
m_search_results.reserve(Memory::RAM_SIZE / m_search_type_size);
// Enable the "Next Scan" button.
m_scan_is_initialized = true;
m_btn_next_scan->Enable();
CheatSearchResult r;
// can I assume cheatable values will be aligned like this?
for (u32 addr = 0; addr != Memory::RAM_SIZE; addr += m_search_type_size)
{
r.address = addr;
memcpy(&r.old_value, &Memory::m_pRAM[addr], m_search_type_size);
m_search_results.push_back(r);
}
UpdateCheatSearchResultsList();
}
void CheatSearchTab::OnNextScanClicked(wxCommandEvent&)
{
if (!Core::IsRunningAndStarted())
{
WxUtils::ShowErrorDialog(_("A game is not currently running."));
return;
}
u32 user_x_val = 0;
bool blank_user_value = m_textctrl_value_x->IsEmpty();
if (!blank_user_value)
{
if (!ParseUserEnteredValue(&user_x_val))
return;
}
FilterCheatSearchResults(user_x_val, blank_user_value);
UpdateCheatSearchResultsList();
}
void CheatSearchTab::OnCreateARCodeClicked(wxCommandEvent&)
{
long idx = m_lview_search_results->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
if (idx == wxNOT_FOUND)
return;
const u32 address = m_search_results[idx].address | ((m_search_type_size & ~1) << 24);
CreateCodeDialog arcode_dlg(this, address);
arcode_dlg.ShowModal();
}
void CheatSearchTab::OnListViewItemActivated(wxListEvent&)
{
if (!m_btn_create_code->IsEnabled())
return;
wxCommandEvent fake(wxEVT_BUTTON, m_btn_create_code->GetId());
m_btn_create_code->GetEventHandler()->ProcessEvent(fake);
}
void CheatSearchTab::OnListViewItemSelected(wxListEvent&)
{
// Toggle "Create AR Code" Button
m_btn_create_code->Enable(m_lview_search_results->GetSelectedItemCount() > 0);
}
void CheatSearchTab::OnTimerUpdate(wxTimerEvent&)
{
if (Core::GetState() != Core::CORE_RUN)
return;
// Only update the currently visible list rows.
long first = m_lview_search_results->GetTopItem();
long last = std::min<long>(m_lview_search_results->GetItemCount(),
first + m_lview_search_results->GetCountPerPage());
m_lview_search_results->Freeze();
while (first < last)
{
UpdateCheatSearchResultItem(first);
first++;
}
m_lview_search_results->Thaw();
}
void CheatSearchTab::UpdateCheatSearchResultsList()
{
m_update_timer.Stop();
m_lview_search_results->DeleteAllItems();
m_btn_create_code->Disable();
wxString count_label = wxString::Format(_("Count: %lu"), (unsigned long)m_search_results.size());
if (m_search_results.size() > MAX_CHEAT_SEARCH_RESULTS_DISPLAY)
{
count_label += _(" (too many to display)");
}
else
{
m_lview_search_results->Freeze();
for (size_t i = 0; i < m_search_results.size(); i++)
{
// Insert into the list control.
wxString address_string = wxString::Format("0x%08X", m_search_results[i].address);
long index = m_lview_search_results->InsertItem(static_cast<long>(i), address_string);
UpdateCheatSearchResultItem(index);
}
m_lview_search_results->Thaw();
// Half-second update interval
m_update_timer.Start(500);
}
m_label_results_count->SetLabel(count_label);
}
void CheatSearchTab::UpdateCheatSearchResultItem(long index)
{
u32 address_value = 0;
std::memcpy(&address_value, &Memory::m_pRAM[m_search_results[index].address], m_search_type_size);
u32 display_value = SwapValue(address_value);
wxString buf;
buf.Printf("0x%08X", display_value);
m_lview_search_results->SetItem(index, 1, buf);
float display_value_float = 0.0f;
std::memcpy(&display_value_float, &display_value, sizeof(u32));
buf.Printf("%e", display_value_float);
m_lview_search_results->SetItem(index, 2, buf);
double display_value_double = 0.0;
std::memcpy(&display_value_double, &display_value, sizeof(u32));
buf.Printf("%e", display_value_double);
m_lview_search_results->SetItem(index, 3, buf);
}
enum class ComparisonMask
{
EQUAL = 0x1,
GREATER_THAN = 0x2,
LESS_THAN = 0x4
};
static ComparisonMask operator|(ComparisonMask comp1, ComparisonMask comp2)
{
return static_cast<ComparisonMask>(static_cast<int>(comp1) | static_cast<int>(comp2));
}
static ComparisonMask operator&(ComparisonMask comp1, ComparisonMask comp2)
{
return static_cast<ComparisonMask>(static_cast<int>(comp1) & static_cast<int>(comp2));
}
void CheatSearchTab::FilterCheatSearchResults(u32 value, bool prev)
{
static const std::array<ComparisonMask, 5> filters{
{ComparisonMask::EQUAL | ComparisonMask::GREATER_THAN | ComparisonMask::LESS_THAN, // Unknown
ComparisonMask::GREATER_THAN | ComparisonMask::LESS_THAN, // Not Equal
ComparisonMask::EQUAL, ComparisonMask::GREATER_THAN, ComparisonMask::LESS_THAN}};
ComparisonMask filter_mask = filters[m_search_type->GetSelection()];
std::vector<CheatSearchResult> filtered_results;
filtered_results.reserve(m_search_results.size());
for (CheatSearchResult& result : m_search_results)
{
if (prev)
value = result.old_value;
// with big endian, can just use memcmp for ><= comparison
int cmp_result = std::memcmp(&Memory::m_pRAM[result.address], &value, m_search_type_size);
ComparisonMask cmp_mask;
if (cmp_result < 0)
cmp_mask = ComparisonMask::LESS_THAN;
else if (cmp_result)
cmp_mask = ComparisonMask::GREATER_THAN;
else
cmp_mask = ComparisonMask::EQUAL;
if (static_cast<int>(cmp_mask & filter_mask))
{
std::memcpy(&result.old_value, &Memory::m_pRAM[result.address], m_search_type_size);
filtered_results.push_back(result);
}
}
m_search_results.swap(filtered_results);
}
bool CheatSearchTab::ParseUserEnteredValue(u32* out) const
{
unsigned long parsed_x_val = 0;
wxString x_val = m_textctrl_value_x->GetValue();
if (!x_val.ToULong(&parsed_x_val, 0))
{
WxUtils::ShowErrorDialog(_("You must enter a valid decimal, hexadecimal or octal value."));
return false;
}
*out = SwapValue(static_cast<u32>(parsed_x_val));
return true;
}
u32 CheatSearchTab::SwapValue(u32 value) const
{
switch (m_search_type_size)
{
case 2:
*(u16*)&value = Common::swap16((u8*)&value);
break;
case 4:
value = Common::swap32(value);
break;
}
return value;
}
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