Cool_Tools/ImHex
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Improve jump slot detection

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This commit is contained in:
WerWolv 2023-12-04 13:37:34 +01:00
parent fcdaf4685b
commit 5b1f5c0dd8
1 changed files with 40 additions and 15 deletions
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55
plugins/builtin/source/content/views/view_disassembler.cpp
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@ -34,19 +34,25 @@ namespace hex::plugin::builtin {
auto drawList = ImGui::GetWindowDrawList();
if (start.y > end.y)
slot = slotCount - slot - 1;
const auto width = (columnWidth / float(slotCount)) * float(slot + 1);
const auto lineColor = ImColor::HSV(hovered ? 0.25F : 0.3F + (slot / float(slotCount)) * 0.7F, hovered ? 1.0F : 0.8F, hovered ? 1.0F : 0.8F);
const auto thickness = 2.0_scaled;
// Handle jump to same address
if (start.y == end.y) {
start.y -= ImGui::GetTextLineHeight() / 2;
end.y += ImGui::GetTextLineHeight() / 2;
} else if (start.y > end.y) {
slot = slotCount - (slot - 1);
}
// Draw vertical arrow line
drawList->AddLine(start - ImVec2(width, 0), end - ImVec2(width, 0), lineColor, thickness);
// Draw horizontal arrow line at start
drawList->AddLine(start - ImVec2(width, 0), start, lineColor, thickness);
if (endVisible) {
// Draw horizontal arrow line at end
drawList->AddLine(end - ImVec2(width, 0), end, lineColor, thickness);
@ -157,7 +163,19 @@ namespace hex::plugin::builtin {
auto &firstVisibleLine = this->m_lines->at(processingStart);
auto &lastVisibleLine = this->m_lines->at(processingEnd - 1);
std::list<u64> destinations;
const u32 slotCount = std::floor(std::max<float>(1.0F, jumpColumnWidth / 10_scaled));
std::map<u64, u64> occupiedSlots;
auto findFreeSlot = [&](u64 jumpDestination) {
for (u32 i = 0; i < slotCount; i += 1) {
if (!occupiedSlots.contains(i) || occupiedSlots[i] == jumpDestination) {
return i;
}
}
return slotCount;
};
for (auto sourceLineIndex = processingStart; sourceLineIndex < processingEnd; sourceLineIndex += 1) {
const auto &sourceLine = this->m_lines->at(sourceLineIndex);
@ -165,24 +183,31 @@ namespace hex::plugin::builtin {
for (auto destinationLineIndex = processingStart; destinationLineIndex < processingEnd; destinationLineIndex += 1) {
const auto &destinationLine = this->m_lines->at(destinationLineIndex);
auto freeSlot = findFreeSlot(*jumpDestination);
bool jumpFound = false;
if (*jumpDestination == destinationLine.region.getStartAddress()) {
drawJumpLine(sourceLine.linePos, destinationLine.linePos, jumpColumnWidth, destinations.size(), true, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
destinations.push_back(*jumpDestination);
break;
drawJumpLine(sourceLine.linePos, destinationLine.linePos, jumpColumnWidth, freeSlot, true, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
jumpFound = true;
} else if (*jumpDestination > lastVisibleLine.region.getStartAddress()) {
drawJumpLine(sourceLine.linePos, lastVisibleLine.linePos, jumpColumnWidth, destinations.size(), false, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
destinations.push_back(*jumpDestination);
break;
drawJumpLine(sourceLine.linePos, lastVisibleLine.linePos, jumpColumnWidth, freeSlot, false, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
jumpFound = true;
} else if (*jumpDestination < firstVisibleLine.region.getStartAddress()) {
drawJumpLine(sourceLine.linePos, firstVisibleLine.linePos, jumpColumnWidth, destinations.size(), false, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
destinations.push_back(*jumpDestination);
drawJumpLine(sourceLine.linePos, firstVisibleLine.linePos, jumpColumnWidth, freeSlot, false, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
jumpFound = true;
}
if (jumpFound) {
if (!occupiedSlots.contains(freeSlot))
occupiedSlots[freeSlot] = *jumpDestination;
break;
}
}
}
std::erase_if(destinations, [&](u64 address) {
return sourceLine.region.getStartAddress() == address;
std::erase_if(occupiedSlots, [&](const auto &entry) {
auto &[slot, destination] = entry;
return sourceLine.region.getStartAddress() == destination;
});
}
}