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feat: add item stack splitting via Shift+right-click

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Implements CMSG_SPLIT_ITEM (0x10E) with a slider popup for choosing
split count. Auto-finds empty destination slot across backpack and bags.
Shift+right-click on stackable items (count > 1) opens split dialog;
non-stackable items still get the destroy confirmation.
This commit is contained in:
Kelsi 2026-03-18 11:07:27 -07:00
parent 17d652947c
commit 9b32a328c3
6 changed files with 122 additions and 15 deletions
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76
src/ui/inventory_screen.cpp
View file

@ -871,6 +871,35 @@ void InventoryScreen::render(game::Inventory& inventory, uint64_t moneyCopper) {
ImGui::EndPopup();
}
// Stack split popup
if (splitConfirmOpen_) {
ImVec2 mousePos = ImGui::GetIO().MousePos;
ImGui::SetNextWindowPos(ImVec2(mousePos.x - 80.0f, mousePos.y - 20.0f), ImGuiCond_Always);
ImGui::OpenPopup("##SplitStack");
splitConfirmOpen_ = false;
}
if (ImGui::BeginPopup("##SplitStack", ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar)) {
ImGui::Text("Split %s", splitItemName_.c_str());
ImGui::Spacing();
ImGui::SetNextItemWidth(120.0f);
ImGui::SliderInt("##splitcount", &splitCount_, 1, splitMax_ - 1);
ImGui::Spacing();
if (ImGui::Button("OK", ImVec2(55, 0))) {
if (gameHandler_ && splitCount_ > 0 && splitCount_ < splitMax_) {
gameHandler_->splitItem(splitBag_, splitSlot_, static_cast<uint8_t>(splitCount_));
}
splitItemName_.clear();
inventoryDirty = true;
ImGui::CloseCurrentPopup();
}
ImGui::SameLine();
if (ImGui::Button("Cancel", ImVec2(55, 0))) {
splitItemName_.clear();
ImGui::CloseCurrentPopup();
}
ImGui::EndPopup();
}
// Draw held item at cursor
renderHeldItem();
}
@ -2302,22 +2331,39 @@ void InventoryScreen::renderItemSlot(game::Inventory& inventory, const game::Ite
}
}
// Shift+right-click: open destroy confirmation for non-quest items
// Shift+right-click: split stack (if stackable >1) or destroy confirmation
if (ImGui::IsItemHovered() && ImGui::IsMouseClicked(ImGuiMouseButton_Right) &&
!holdingItem && ImGui::GetIO().KeyShift && item.itemId != 0 && item.bindType != 4) {
destroyConfirmOpen_ = true;
destroyItemName_ = item.name;
destroyCount_ = static_cast<uint8_t>(std::clamp<uint32_t>(
std::max<uint32_t>(1u, item.stackCount), 1u, 255u));
if (kind == SlotKind::BACKPACK && backpackIndex >= 0) {
destroyBag_ = 0xFF;
destroySlot_ = static_cast<uint8_t>(23 + backpackIndex);
} else if (kind == SlotKind::BACKPACK && isBagSlot) {
destroyBag_ = static_cast<uint8_t>(19 + bagIndex);
destroySlot_ = static_cast<uint8_t>(bagSlotIndex);
} else if (kind == SlotKind::EQUIPMENT) {
destroyBag_ = 0xFF;
destroySlot_ = static_cast<uint8_t>(equipSlot);
!holdingItem && ImGui::GetIO().KeyShift && item.itemId != 0) {
if (item.stackCount > 1 && item.maxStack > 1) {
// Open split popup for stackable items
splitConfirmOpen_ = true;
splitItemName_ = item.name;
splitMax_ = static_cast<int>(item.stackCount);
splitCount_ = splitMax_ / 2;
if (splitCount_ < 1) splitCount_ = 1;
if (kind == SlotKind::BACKPACK && backpackIndex >= 0) {
splitBag_ = 0xFF;
splitSlot_ = static_cast<uint8_t>(23 + backpackIndex);
} else if (kind == SlotKind::BACKPACK && isBagSlot) {
splitBag_ = static_cast<uint8_t>(19 + bagIndex);
splitSlot_ = static_cast<uint8_t>(bagSlotIndex);
}
} else if (item.bindType != 4) {
// Destroy confirmation for non-quest, non-stackable items
destroyConfirmOpen_ = true;
destroyItemName_ = item.name;
destroyCount_ = static_cast<uint8_t>(std::clamp<uint32_t>(
std::max<uint32_t>(1u, item.stackCount), 1u, 255u));
if (kind == SlotKind::BACKPACK && backpackIndex >= 0) {
destroyBag_ = 0xFF;
destroySlot_ = static_cast<uint8_t>(23 + backpackIndex);
} else if (kind == SlotKind::BACKPACK && isBagSlot) {
destroyBag_ = static_cast<uint8_t>(19 + bagIndex);
destroySlot_ = static_cast<uint8_t>(bagSlotIndex);
} else if (kind == SlotKind::EQUIPMENT) {
destroyBag_ = 0xFF;
destroySlot_ = static_cast<uint8_t>(equipSlot);
}
}
}