OXYGENHUB
◆ main openmsx / src / imgui / ImGuiCheatFinder.cc
4.9 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
1 
#include "ImGuiCheatFinder.hh"
2
3 
#include "ImGuiCpp.hh"
4 
#include "ImGuiManager.hh"
5 
#include "ImGuiUtils.hh"
6
7 
#include "narrow.hh"
8 
#include "stl.hh"
9
10 
#include <ranges>
11
12 
namespace openmsx {
13
14 
using namespace std::literals;
15
16 
void ImGuiCheatFinder::paint(MSXMotherBoard* /*motherBoard*/)
17 
{
18 
	if (!show) return;
19
20 
	bool start = false;
21 
	std::string searchExpr;
22
23 
	ImGui::SetNextWindowSize(gl::vec2{35, 0} * ImGui::GetFontSize(), ImGuiCond_FirstUseEver);
24 
	im::Window("Cheat Finder", &show, [&]{
25 
		const auto& style = ImGui::GetStyle();
26 
		auto tSize = ImGui::CalcTextSize("=="sv).x + 2.0f * style.FramePadding.x;
27 
		auto bSpacing = 2.0f;
28 
		auto height = 12.5f * ImGui::GetTextLineHeightWithSpacing();
29 
		auto sWidth = 2.0f * (style.WindowBorderSize + style.WindowPadding.x)
30 
		              + style.IndentSpacing + 6 * tSize + 5 * bSpacing;
31 
		im::Child("search", {sWidth, height}, ImGuiChildFlags_Borders, [&]{
32 
			ImGui::TextUnformatted("Search"sv);
33 
			HelpMarker("OpenMSX cheat finder. See here for a quick tutorial:\n"
34 
			           "  openMSX tutorial: Working with the Cheat Finder\n"
35 
			           "  http://www.youtube.com/watch?v=F11ltfkCtKo\n"
36 
			           "The UI has changed, but the ideas remain the same.");
37 
			im::Disabled(searchResults.empty(), [&]{
38 
				ImGui::TextUnformatted("Compare"sv);
39 
				im::Indent([&]{
40 
					auto bSize = ImVec2{tSize, 0.0f};
41 
					if (ImGui::Button("<",  bSize)) searchExpr = "$new < $old";
42 
					simpleToolTip("Search for memory locations with strictly decreased value");
43 
					ImGui::SameLine(0.0f, bSpacing);
44 
					if (ImGui::Button("<=", bSize)) searchExpr = "$new <= $old";
45 
					simpleToolTip("Search for memory locations with decreased value");
46 
					ImGui::SameLine(0.0f, bSpacing);
47 
					if (ImGui::Button("!=", bSize)) searchExpr = "$new != $old";
48 
					simpleToolTip("Search for memory locations with changed value");
49 
					ImGui::SameLine(0.0f, bSpacing);
50 
					if (ImGui::Button("==", bSize)) searchExpr = "$new == $old";
51 
					simpleToolTip("Search for memory locations with unchanged value");
52 
					ImGui::SameLine(0.0f, bSpacing);
53 
					if (ImGui::Button(">=", bSize)) searchExpr = "$new >= $old";
54 
					simpleToolTip("Search for memory locations with increased value");
55 
					ImGui::SameLine(0.0f, bSpacing);
56 
					if (ImGui::Button(">",  bSize)) searchExpr = "$new > $old";
57 
					simpleToolTip("Search for memory locations with strictly increased value");
58 
				});
59 
				ImGui::TextUnformatted("Specific value"sv);
60 
				im::Indent([&]{
61 
					ImGui::SetNextItemWidth(3 * ImGui::GetFontSize());
62 
					ImGui::InputScalar("##value", ImGuiDataType_U8, &searchValue);
63 
					ImGui::SameLine();
64 
					if (ImGui::Button("Go")) {
65 
						searchExpr = strCat("$new == ", searchValue);
66 
					}
67 
					simpleToolTip("Search for memory locations with a specific value");
68 
				});
69 
			});
70 
			start |= ImGui::Button("Restart search");
71 
		});
72
73 
		ImGui::SameLine();
74 
		im::Child("result", {0.0f, height}, ImGuiChildFlags_Borders, [&]{
75 
			auto num = searchResults.size();
76 
			if (num == 0) {
77 
				ImGui::TextUnformatted("Results: no remaining locations"sv);
78 
				start |= ImGui::Button("Start a new search");
79 
			} else {
80 
				if (num == 1) {
81 
					ImGui::TextUnformatted("Results: 1 remaining location"sv);
82 
				} else {
83 
					ImGui::Text("Results: %d remaining locations", narrow<int>(num));
84 
				}
85 
				int flags = ImGuiTableFlags_RowBg |
86 
				            ImGuiTableFlags_BordersV |
87 
				            ImGuiTableFlags_BordersOuter |
88 
				            ImGuiTableFlags_ScrollY;
89 
				im::Table("##table", 3, flags, [&]{
90 
					ImGui::TableSetupScrollFreeze(0, 1); // Make top row always visible
91 
					ImGui::TableSetupColumn("Address");
92 
					ImGui::TableSetupColumn("Previous");
93 
					ImGui::TableSetupColumn("New value");
94 
					ImGui::TableHeadersRow();
95
96 
					im::ListClipper(searchResults.size(), [&](int i) {
97 
						const auto& row = searchResults[i];
98 
						if (ImGui::TableNextColumn()) { // addr
99 
							ImGui::Text("0x%04x", row.address);
100 
						}
101 
						if (ImGui::TableNextColumn()) { // old
102 
							ImGui::Text("%d", row.oldValue);
103 
						}
104 
						if (ImGui::TableNextColumn()) { // new
105 
							ImGui::Text("%d", row.newValue);
106 
						}
107 
					});
108 
				});
109 
			}
110 
		});
111 
	});
112
113 
	if (start) {
114 
		manager.execute(TclObject("cheat_finder::start"));
115 
		searchExpr = "1"; // could be optimized, but good enough
116 
	}
117 
	if (!searchExpr.empty()) {
118 
		auto result = manager.execute(makeTclList("cheat_finder::search", searchExpr)).value_or(TclObject{});
119 
		searchResults = to_vector(std::views::transform(xrange(result.size()), [&](size_t i) {
120 
			auto line = result.getListIndexUnchecked(i);
121 
			auto addr     = line.getListIndexUnchecked(0).getOptionalInt().value_or(0);
122 
			auto oldValue = line.getListIndexUnchecked(1).getOptionalInt().value_or(0);
123 
			auto newValue = line.getListIndexUnchecked(2).getOptionalInt().value_or(0);
124 
			return SearchResult{.address = narrow_cast<uint16_t>(addr),
125 
			                    .oldValue = narrow_cast<uint8_t>(oldValue),
126 
			                    .newValue = narrow_cast<uint8_t>(newValue)};
127 
		}));
128 
	}
129 
}
130
131 
} // namespace openmsx