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voxelforge/tests/testSlotAction.cpp
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#include "testHarness.h"
#include "vf/SlotAction.h"
#include <array>
#include <string>
#include <vector>
using namespace vf;
namespace {
const CraftingRegistry& sharedRegistry() {
static CraftingRegistry registry;
return registry;
}
struct Session {
ContainerMenu menu;
CursorStack cursor;
DragState drag;
explicit Session(MenuKind kind) : menu(kind, &sharedRegistry()) {}
SlotActionResult click(ClickKind kind, int slotIndex) {
return applySlotAction(menu, cursor, drag, clickAt(kind, slotIndex));
}
SlotActionResult hotbar(int slotIndex, int button) {
return applySlotAction(menu, cursor, drag, hotbarSwapAt(slotIndex, button));
}
};
// The seven items the random walk shuffles around. Tools are in the mix so the
// walk also has stacks that refuse to merge.
const std::array<ItemId, 7> walkItems = {ItemId::Stone, ItemId::Planks, ItemId::Sand,
ItemId::CoalLump, ItemId::Apple, ItemId::IronPickaxe,
ItemId::RawBeef};
struct Ledger {
std::array<int, 7> counts{};
void snapshot(const ContainerMenu& menu, const CursorStack& cursor) {
for (std::size_t i = 0; i < walkItems.size(); ++i) {
counts[i] = totalAcrossMenuAndCursor(menu, cursor, walkItems[i]);
}
}
};
void seedMenu(ContainerMenu& menu, uint32_t& rng) {
for (int i = 0; i < menu.slotCount(); ++i) {
if (menu.slot(i).takeOnly) continue;
if (stackRandom(rng) % 3u == 0u) continue;
ItemId item = walkItems[stackRandom(rng) % walkItems.size()];
MetaStack stack = makeStack(item, 1 + static_cast<int>(stackRandom(rng) % 40u));
if (!menu.canPlace(i, stack)) continue;
menu.slot(i).cell.insert(stack);
}
}
SlotAction randomAction(const ContainerMenu& menu, uint32_t& rng) {
ClickKind kind = static_cast<ClickKind>(stackRandom(rng) %
static_cast<uint32_t>(ClickKind::Count));
int slotIndex = static_cast<int>(stackRandom(rng) % static_cast<uint32_t>(menu.slotCount()));
// Every eighth action aims outside the window, which is the only way to
// reach the throw-away path with a full cursor.
if (stackRandom(rng) % 8u == 0u) slotIndex = -1;
if (kind == ClickKind::HotbarSwap) {
return hotbarSwapAt(slotIndex, static_cast<int>(stackRandom(rng) % 9u));
}
return clickAt(kind, slotIndex);
}
struct WalkCoverage {
int applied = 0;
int dropped = 0;
int distinctKindsApplied = 0;
};
WalkCoverage runConservationWalk(MenuKind kind, uint32_t seed, int steps) {
Session session(kind);
uint32_t rng = seed;
seedMenu(session.menu, rng);
Ledger before;
before.snapshot(session.menu, session.cursor);
std::array<int, 7> thrown{};
std::array<int, static_cast<std::size_t>(ClickKind::Count)> perKind{};
WalkCoverage coverage;
for (int step = 0; step < steps; ++step) {
SlotAction action = randomAction(session.menu, rng);
SlotActionResult outcome =
applySlotAction(session.menu, session.cursor, session.drag, action);
if (outcome.applied) {
++coverage.applied;
++perKind[static_cast<std::size_t>(action.kind)];
}
coverage.dropped += outcome.dropped;
CHECK_EQ(outcome.created, 0);
CHECK_EQ(outcome.dropped, static_cast<int>([&] {
int sum = 0;
for (const MetaStack& lost : outcome.droppedStacks) sum += lost.count;
return sum;
}()));
for (const MetaStack& lost : outcome.droppedStacks) {
for (std::size_t i = 0; i < walkItems.size(); ++i) {
if (lost.item == walkItems[i]) thrown[i] += lost.count;
}
}
}
Ledger after;
after.snapshot(session.menu, session.cursor);
for (std::size_t i = 0; i < walkItems.size(); ++i) {
CHECK_EQ(after.counts[i] + thrown[i], before.counts[i]);
}
for (int hits : perKind) {
if (hits > 0) ++coverage.distinctKindsApplied;
}
return coverage;
}
} // namespace
VF_TEST(everyClickKindHasAName) {
for (int i = 0; i < static_cast<int>(ClickKind::Count); ++i) {
CHECK(std::string(clickKindName(static_cast<ClickKind>(i))) != std::string("unknown"));
}
}
VF_TEST(aLeftClickPicksUpTheWholeStackAndPutsItDownAgain) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Stone, 37);
SlotActionResult pickup = session.click(ClickKind::Left, 0);
CHECK(pickup.applied);
CHECK_EQ(pickup.moved, 37);
CHECK(pickup.cursorChanged);
CHECK_EQ(session.cursor.held.count, 37);
CHECK(session.menu.stackAt(0).empty());
SlotActionResult drop = session.click(ClickKind::Left, 4);
CHECK(drop.applied);
CHECK_EQ(drop.moved, 37);
CHECK(session.cursor.empty());
CHECK_EQ(session.menu.stackAt(4).count, 37);
CHECK(!session.click(ClickKind::Left, 9).applied);
CHECK(!session.click(ClickKind::Left, 999).applied);
}
VF_TEST(aLeftClickMergesIntoAMatchingStackAndSwapsWithAForeignOne) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Sand, 50);
session.menu.slot(1).cell.stack = makeStack(ItemId::Sand, 60);
session.menu.slot(2).cell.stack = makeStack(ItemId::Planks, 8);
session.click(ClickKind::Left, 0);
SlotActionResult merge = session.click(ClickKind::Left, 1);
CHECK(merge.applied);
CHECK_EQ(merge.moved, 4);
CHECK_EQ(session.menu.stackAt(1).count, 64);
CHECK_EQ(session.cursor.held.count, 46);
SlotActionResult swap = session.click(ClickKind::Left, 2);
CHECK(swap.applied);
CHECK_EQ(swap.moved, 54);
CHECK(session.cursor.held.item == ItemId::Planks);
CHECK_EQ(session.cursor.held.count, 8);
CHECK(session.menu.stackAt(2).item == ItemId::Sand);
CHECK_EQ(session.menu.stackAt(2).count, 46);
// A full matching stack accepts nothing and is not swapped either.
session.menu.slot(3).cell.stack = makeStack(ItemId::Planks, 64);
CHECK(!session.click(ClickKind::Left, 3).applied);
CHECK_EQ(session.cursor.held.count, 8);
}
VF_TEST(aRightClickTakesTheLargerHalfAndThenPlacesOneAtATime) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::CoalLump, 9);
SlotActionResult half = session.click(ClickKind::Right, 0);
CHECK(half.applied);
CHECK_EQ(half.moved, 5);
CHECK_EQ(session.cursor.held.count, 5);
CHECK_EQ(session.menu.stackAt(0).count, 4);
SlotActionResult one = session.click(ClickKind::Right, 6);
CHECK(one.applied);
CHECK_EQ(one.moved, 1);
CHECK_EQ(session.menu.stackAt(6).count, 1);
CHECK_EQ(session.cursor.held.count, 4);
session.click(ClickKind::Right, 6);
CHECK_EQ(session.menu.stackAt(6).count, 2);
CHECK_EQ(session.cursor.held.count, 3);
// A right click over an incompatible stack does nothing at all.
session.menu.slot(7).cell.stack = makeStack(ItemId::Stone, 1);
CHECK(!session.click(ClickKind::Right, 7).applied);
CHECK_EQ(session.cursor.held.count, 3);
CHECK_EQ(session.menu.stackAt(7).count, 1);
}
VF_TEST(shiftClickTopsUpExistingStacksBeforeItTouchesAnEmptySlot) {
Session session(MenuKind::Chest);
std::vector<int> player = session.menu.playerSectionSlots();
session.menu.slot(0).cell.stack = makeStack(ItemId::Sand, 30);
session.menu.slot(player[0]).cell.stack = makeStack(ItemId::Stone, 64);
session.menu.slot(player[1]).cell.stack = makeStack(ItemId::Sand, 50);
SlotActionResult moved = session.click(ClickKind::ShiftLeft, 0);
CHECK(moved.applied);
CHECK_EQ(moved.moved, 30);
CHECK(session.menu.stackAt(0).empty());
CHECK_EQ(session.menu.stackAt(player[1]).count, 64);
CHECK_EQ(session.menu.stackAt(player[2]).count, 16);
CHECK(session.menu.stackAt(player[2]).item == ItemId::Sand);
}
VF_TEST(shiftClickPutsWhatDoesNotFitStraightBackWhereItCameFrom) {
Session session(MenuKind::Hopper);
for (int index : session.menu.playerSectionSlots()) {
session.menu.slot(index).cell.stack = makeStack(ItemId::Obsidian, 64);
}
session.menu.slot(0).cell.stack = makeStack(ItemId::Sand, 12);
SlotActionResult blocked = session.click(ClickKind::ShiftLeft, 0);
CHECK(!blocked.applied);
CHECK_EQ(session.menu.stackAt(0).count, 12);
CHECK_EQ(session.menu.totalOf(ItemId::Sand), 12);
}
VF_TEST(shiftClickInAPlayerInventoryMovesBetweenTheRowsAndTheHotbar) {
Session session(MenuKind::PlayerInventory);
const MenuLayout& layout = session.menu.layout();
int firstRow = layout.inventoryFirst;
int firstHotbar = layout.hotbarFirst;
session.menu.slot(firstRow).cell.stack = makeStack(ItemId::Bread, 10);
SlotActionResult down = session.click(ClickKind::ShiftLeft, firstRow);
CHECK(down.applied);
CHECK_EQ(down.moved, 10);
CHECK(session.menu.stackAt(firstRow).empty());
CHECK_EQ(session.menu.stackAt(firstHotbar).count, 10);
SlotActionResult up = session.click(ClickKind::ShiftRight, firstHotbar);
CHECK(up.applied);
CHECK_EQ(session.menu.stackAt(firstRow).count, 10);
CHECK(session.menu.stackAt(firstHotbar).empty());
// The crafting grid is not a shift-click destination.
CHECK_EQ(session.menu.totalOf(ItemId::Bread), 10);
for (int cell = 0; cell < layout.craftCells(); ++cell) {
CHECK(session.menu.stackAt(layout.craftFirst + cell).empty());
}
}
VF_TEST(shiftClickHonoursTheDestinationFilters) {
Session session(MenuKind::Furnace);
int hotbar = session.menu.layout().hotbarFirst;
session.menu.slot(hotbar).cell.stack = makeStack(ItemId::Stone, 5);
SlotActionResult refused = session.click(ClickKind::ShiftLeft, hotbar);
CHECK(!refused.applied);
CHECK_EQ(session.menu.stackAt(hotbar).count, 5);
session.menu.slot(hotbar + 1).cell.stack = makeStack(ItemId::CoalLump, 5);
SlotActionResult accepted = session.click(ClickKind::ShiftLeft, hotbar + 1);
CHECK(accepted.applied);
CHECK_EQ(session.menu.stackAt(session.menu.slotsWithRole(MenuSlot::Role::FuelInput)[0]).count,
5);
}
VF_TEST(shiftClickingTheResultSlotCraftsEverythingTheGridCanMake) {
Session session(MenuKind::CraftingTable);
CraftingView grid = session.menu.crafting();
grid.input(0, 0) = makeStack(ItemId::Planks, 4);
grid.input(0, 1) = makeStack(ItemId::Planks, 4);
grid.refresh();
SlotActionResult crafted = session.click(ClickKind::ShiftLeft, session.menu.layout().resultSlot);
CHECK(crafted.applied);
CHECK(crafted.craftedResult);
CHECK_EQ(crafted.craftedCount, 4);
CHECK_EQ(session.menu.totalOf(ItemId::Stick), 16);
CHECK_EQ(session.menu.totalOf(ItemId::Planks), 0);
}
VF_TEST(aNumberKeyExchangesTheHoveredSlotWithThatHotbarSlot) {
Session session(MenuKind::Chest);
int hotbar = session.menu.layout().hotbarFirst;
session.menu.slot(0).cell.stack = makeStack(ItemId::Sand, 20);
session.menu.slot(hotbar + 3).cell.stack = makeStack(ItemId::Stone, 7);
SlotActionResult swap = session.hotbar(0, 3);
CHECK(swap.applied);
CHECK_EQ(swap.moved, 27);
CHECK(session.menu.stackAt(0).item == ItemId::Stone);
CHECK_EQ(session.menu.stackAt(0).count, 7);
CHECK(session.menu.stackAt(hotbar + 3).item == ItemId::Sand);
CHECK_EQ(session.menu.stackAt(hotbar + 3).count, 20);
CHECK(!session.hotbar(0, -1).applied);
CHECK(!session.hotbar(0, 9).applied);
CHECK(!session.hotbar(hotbar + 3, 3).applied);
}
VF_TEST(aNumberKeyRespectsTheTargetSlotsFilter) {
Session session(MenuKind::Furnace);
int hotbar = session.menu.layout().hotbarFirst;
int fuel = session.menu.slotsWithRole(MenuSlot::Role::FuelInput)[0];
session.menu.slot(hotbar).cell.stack = makeStack(ItemId::Stone, 4);
CHECK(!session.hotbar(fuel, 0).applied);
CHECK_EQ(session.menu.stackAt(hotbar).count, 4);
session.menu.slot(hotbar + 1).cell.stack = makeStack(ItemId::Planks, 4);
CHECK(session.hotbar(fuel, 1).applied);
CHECK_EQ(session.menu.stackAt(fuel).count, 4);
}
VF_TEST(aNumberKeyOnTheResultSlotCraftsIntoAnEmptyHotbarSlot) {
Session session(MenuKind::CraftingTable);
CraftingView grid = session.menu.crafting();
grid.input(0, 0) = makeStack(ItemId::Wood, 3);
grid.refresh();
int hotbar = session.menu.layout().hotbarFirst;
SlotActionResult crafted = session.hotbar(session.menu.layout().resultSlot, 0);
CHECK(crafted.applied);
CHECK(crafted.craftedResult);
CHECK_EQ(session.menu.stackAt(hotbar).count, 4);
CHECK(session.menu.stackAt(hotbar).item == ItemId::Planks);
CHECK_EQ(grid.input(0, 0).count, 2);
// The second attempt finds the hotbar slot occupied and refuses.
CHECK(!session.hotbar(session.menu.layout().resultSlot, 0).applied);
CHECK_EQ(grid.input(0, 0).count, 2);
}
VF_TEST(theMiddleClickOnlyClonesInCreativeMode) {
Session survival(MenuKind::Chest);
survival.menu.slot(0).cell.stack = makeStack(ItemId::Stone, 3);
SlotActionResult nothing = survival.click(ClickKind::Middle, 0);
CHECK(!nothing.applied);
CHECK_EQ(nothing.created, 0);
CHECK(survival.cursor.empty());
Session creative(MenuKind::Chest);
creative.menu.setCreativeMode(true);
creative.menu.slot(0).cell.stack = makeStack(ItemId::Stone, 3);
SlotActionResult cloned = creative.click(ClickKind::Middle, 0);
CHECK(cloned.applied);
CHECK_EQ(cloned.created, 64);
CHECK_EQ(creative.cursor.held.count, 64);
CHECK_EQ(creative.menu.stackAt(0).count, 3);
// A full cursor blocks the clone.
CHECK(!creative.click(ClickKind::Middle, 0).applied);
}
VF_TEST(aDoubleClickGathersEveryMatchingStackOntoTheCursor) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Sand, 10);
session.menu.slot(1).cell.stack = makeStack(ItemId::Sand, 64);
session.menu.slot(2).cell.stack = makeStack(ItemId::Sand, 5);
session.menu.slot(3).cell.stack = makeStack(ItemId::Stone, 20);
session.click(ClickKind::Left, 0);
CHECK_EQ(session.cursor.held.count, 10);
SlotActionResult gathered = session.click(ClickKind::Double, 0);
CHECK(gathered.applied);
CHECK_EQ(session.cursor.held.count, 64);
// The partial stack goes first, the full one only tops up the rest.
CHECK(session.menu.stackAt(2).empty());
CHECK_EQ(session.menu.stackAt(1).count, 15);
CHECK_EQ(session.menu.stackAt(3).count, 20);
CHECK(!session.click(ClickKind::Double, 0).applied);
}
VF_TEST(aDoubleClickWithAnEmptyCursorDoesNothing) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Sand, 10);
CHECK(!session.click(ClickKind::Double, 0).applied);
CHECK_EQ(session.menu.stackAt(0).count, 10);
}
VF_TEST(aDoubleClickNeverPullsOutOfAResultSlot) {
Session session(MenuKind::CraftingTable);
CraftingView grid = session.menu.crafting();
grid.input(0, 0) = makeStack(ItemId::Wood, 1);
grid.refresh();
int hotbar = session.menu.layout().hotbarFirst;
session.menu.slot(hotbar).cell.stack = makeStack(ItemId::Planks, 2);
session.click(ClickKind::Left, hotbar);
CHECK_EQ(session.cursor.held.count, 2);
session.click(ClickKind::Double, hotbar);
CHECK_EQ(session.cursor.held.count, 2);
CHECK_EQ(session.menu.stackAt(session.menu.layout().resultSlot).count, 4);
}
VF_TEST(aLeftDragSplitsEvenlyAndKeepsTheRemainderOnTheCursor) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Stone, 10);
session.click(ClickKind::Left, 0);
CHECK(session.click(ClickKind::DragLeftStart, 1).applied);
CHECK(session.click(ClickKind::DragLeftAdd, 2).applied);
CHECK(session.click(ClickKind::DragLeftAdd, 3).applied);
CHECK(!session.click(ClickKind::DragLeftAdd, 3).applied);
SlotActionResult released = session.click(ClickKind::DragLeftEnd, -1);
CHECK(released.applied);
CHECK_EQ(released.moved, 9);
CHECK_EQ(session.menu.stackAt(1).count, 3);
CHECK_EQ(session.menu.stackAt(2).count, 3);
CHECK_EQ(session.menu.stackAt(3).count, 3);
CHECK_EQ(session.cursor.held.count, 1);
CHECK(!session.drag.active);
}
VF_TEST(aRightDragLeavesExactlyOneItemPerPaintedSlot) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Apple, 8);
session.click(ClickKind::Left, 0);
session.click(ClickKind::DragRightStart, 1);
session.click(ClickKind::DragRightAdd, 2);
session.click(ClickKind::DragRightAdd, 3);
SlotActionResult released = session.click(ClickKind::DragRightEnd, -1);
CHECK(released.applied);
CHECK_EQ(released.moved, 3);
CHECK_EQ(session.menu.stackAt(1).count, 1);
CHECK_EQ(session.menu.stackAt(2).count, 1);
CHECK_EQ(session.menu.stackAt(3).count, 1);
CHECK_EQ(session.cursor.held.count, 5);
}
VF_TEST(aDragSkipsSlotsThatWouldRefuseTheStackAnyway) {
Session session(MenuKind::Furnace);
int hotbar = session.menu.layout().hotbarFirst;
int fuel = session.menu.slotsWithRole(MenuSlot::Role::FuelInput)[0];
int input = session.menu.slotsWithRole(MenuSlot::Role::SmeltInput)[0];
session.menu.slot(hotbar).cell.stack = makeStack(ItemId::Stone, 6);
session.click(ClickKind::Left, hotbar);
session.click(ClickKind::DragLeftStart, hotbar + 1);
CHECK(!session.click(ClickKind::DragLeftAdd, fuel).applied);
CHECK(!session.click(ClickKind::DragLeftAdd, input).applied);
CHECK(session.click(ClickKind::DragLeftAdd, hotbar + 2).applied);
session.click(ClickKind::DragLeftEnd, -1);
CHECK_EQ(session.menu.stackAt(hotbar + 1).count, 3);
CHECK_EQ(session.menu.stackAt(hotbar + 2).count, 3);
CHECK(session.menu.stackAt(fuel).empty());
CHECK(session.cursor.empty());
}
VF_TEST(anAbandonedDragGivesEverythingBackToTheCursor) {
Session session(MenuKind::Chest);
session.menu.slot(0).cell.stack = makeStack(ItemId::Stone, 12);
session.click(ClickKind::Left, 0);
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