test: extend coverage of testLoot
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dualfroz committed
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@@ -313,3 +313,211 @@ VF_TEST(lootContextForCarriesTheKillOverAndRefusesADeadSeed) {
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EnchantSet enchants;
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EnchantSet enchants;
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addEnchant(enchants, EnchantKind::Looting, 2);
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addEnchant(enchants, EnchantKind::Looting, 2);
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HurtSource blast = environmentSource(DamageType::Explosion);
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LootContext fromBlast = lootContextFor(blast, ItemId::IronSword, enchants, 0u);
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CHECK_EQ(fromBlast.killedBy, DamageType::Explosion);
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CHECK(!fromBlast.fiery);
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CHECK(!fromBlast.playerKill);
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CHECK_EQ(fromBlast.tool, ItemId::IronSword);
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CHECK_EQ(fromBlast.looting(), 2);
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CHECK(fromBlast.seed != 0u);
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HurtSource lava = environmentSource(DamageType::Lava);
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LootContext fromLava = lootContextFor(lava, ItemId::None, EnchantSet{}, 4242u);
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CHECK(fromLava.fiery);
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CHECK_EQ(fromLava.seed, 4242u);
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HurtSource swing = meleeSource(1, Vec3{}, true);
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LootContext fromSwing = lootContextFor(swing, ItemId::DiamondSword, EnchantSet{}, 9u);
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CHECK(fromSwing.playerKill);
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CHECK(!fromSwing.fiery);
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CHECK_EQ(fromSwing.looting(), 0);
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CHECK_EQ(fromSwing.fortune(), 0);
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CHECK(!fromSwing.silkTouch());
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}
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VF_TEST(smeltedFormOnlyRewritesTheItemsThatHaveACookedCounterpart) {
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CHECK_EQ(smeltedForm(ItemId::RawPorkchop), ItemId::CookedPorkchop);
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CHECK_EQ(smeltedForm(ItemId::RawBeef), ItemId::CookedBeef);
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CHECK_EQ(smeltedForm(ItemId::RawMutton), ItemId::CookedMutton);
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CHECK_EQ(smeltedForm(ItemId::IronOre), ItemId::IronIngot);
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CHECK_EQ(smeltedForm(ItemId::GoldOre), ItemId::GoldIngot);
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const ItemId unchanged[] = {ItemId::None, ItemId::Stone, ItemId::CookedBeef,
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ItemId::DiamondGem, ItemId::RottenFlesh, ItemId::Bread};
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for (ItemId item : unchanged) CHECK_EQ(smeltedForm(item), item);
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}
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VF_TEST(chestPoolsStayInsideTheirDeclaredRollAndCountBounds) {
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const struct { LootTable::ChestKind kind; int lowest; int highest; } chests[] = {
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{LootTable::ChestKind::Dungeon, 2, 16},
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{LootTable::ChestKind::Village, 3, 20},
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{LootTable::ChestKind::Temple, 2, 32},
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};
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for (const auto& chest : chests) {
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int seenLowest = 1000;
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int seenHighest = 0;
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for (int i = 0; i < 800; ++i) {
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LootRoll roll = rollChestContents(chest.kind, contextWith(ItemId::None, seedFor(i)));
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seenLowest = std::min(seenLowest, roll.totalCount());
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seenHighest = std::max(seenHighest, roll.totalCount());
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}
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CHECK(seenLowest >= chest.lowest);
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CHECK(seenHighest <= chest.highest);
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CHECK(seenHighest > seenLowest);
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}
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}
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VF_TEST(rareChestEntriesShowUpFarLessOftenThanCommonOnes) {
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int diamonds = 0;
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int iron = 0;
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for (int i = 0; i < 4000; ++i) {
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LootRoll roll = rollChestContents(LootTable::ChestKind::Dungeon,
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contextWith(ItemId::None, seedFor(i)));
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if (roll.countOf(ItemId::DiamondGem) > 0) ++diamonds;
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if (roll.countOf(ItemId::IronIngot) > 0) ++iron;
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}
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CHECK(diamonds > 0);
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CHECK(iron > diamonds * 5);
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}
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VF_TEST(toolsComeOutOfAChestAsSeparateFullyRepairedStacks) {
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int hoeStacks = 0;
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int badStacks = 0;
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for (int i = 0; i < 600; ++i) {
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LootRoll roll = rollChestContents(LootTable::ChestKind::Village,
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contextWith(ItemId::None, seedFor(i)));
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for (const ItemSlot& stack : roll.items) {
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if (stack.item != ItemId::WoodHoe) continue;
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++hoeStacks;
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if (stack.count != 1) ++badStacks;
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if (stack.durability != toolMaxDurability(ItemId::WoodHoe)) ++badStacks;
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}
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}
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CHECK(hoeStacks > 0);
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CHECK_EQ(badStacks, 0);
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}
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VF_TEST(stacksOfTheSameMaterialMergeInsteadOfPilingUpAsSeparateEntries) {
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LootPool pool;
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pool.minRolls = 4;
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pool.maxRolls = 4;
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LootEntry ingot;
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ingot.item = ItemId::IronIngot;
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pool.entries.push_back(ingot);
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LootTable table;
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table.pools.push_back(pool);
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LootRoll roll = rollLootTable(table, contextWith(ItemId::None, 77u));
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CHECK_EQ(roll.items.size(), std::size_t{1});
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CHECK_EQ(roll.countOf(ItemId::IronIngot), 4);
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CHECK_EQ(roll.totalCount(), 4);
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CHECK_EQ(roll.countOf(ItemId::GoldIngot), 0);
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}
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VF_TEST(killConditionsGateEntriesOnHowTheTargetActuallyDied) {
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LootTable table = singlePool({entryOf(ItemId::Gunpowder, LootEntry::Explosive),
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entryOf(ItemId::Stick, LootEntry::Ranged)});
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LootContext blasted = contextWith(ItemId::None, 13u);
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blasted.killedBy = DamageType::Explosion;
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LootRoll fromBlast = rollLootTable(table, blasted);
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CHECK_EQ(fromBlast.countOf(ItemId::Gunpowder), 1);
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CHECK_EQ(fromBlast.countOf(ItemId::Stick), 0);
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LootContext shot = contextWith(ItemId::None, 13u);
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shot.killedBy = DamageType::Projectile;
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LootRoll fromArrow = rollLootTable(table, shot);
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CHECK_EQ(fromArrow.countOf(ItemId::Stick), 1);
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CHECK_EQ(fromArrow.countOf(ItemId::Gunpowder), 0);
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LootContext punched = contextWith(ItemId::None, 13u);
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punched.killedBy = DamageType::Melee;
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CHECK(rollLootTable(table, punched).empty());
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}
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VF_TEST(enchantmentConditionsGateEntriesOnTheToolThatWasUsed) {
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LootTable table = singlePool({entryOf(ItemId::EmeraldGem, LootEntry::NeedsLooting),
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entryOf(ItemId::LapisLazuli, LootEntry::NeedsFortune),
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entryOf(ItemId::Stick, LootEntry::NotSilkTouched)});
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LootContext bare = contextWith(ItemId::None, 21u);
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LootRoll plain = rollLootTable(table, bare);
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CHECK_EQ(plain.countOf(ItemId::Stick), 1);
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CHECK_EQ(plain.totalCount(), 1);
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LootContext silk = enchanted(ItemId::IronPickaxe, EnchantKind::SilkTouch, 1, 21u);
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CHECK(rollLootTable(table, silk).empty());
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LootContext lucky = enchanted(ItemId::IronPickaxe, EnchantKind::Fortune, 2, 21u);
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LootRoll withFortune = rollLootTable(table, lucky);
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CHECK_EQ(withFortune.totalCount(), 1);
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CHECK(withFortune.countOf(ItemId::LapisLazuli) + withFortune.countOf(ItemId::Stick) == 1);
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CHECK_EQ(withFortune.countOf(ItemId::EmeraldGem), 0);
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}
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VF_TEST(theSmeltIfFieryFunctionRewritesTheItemAtEmitTime) {
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LootEntry beef;
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beef.item = ItemId::RawBeef;
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beef.minCount = 2;
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beef.maxCount = 2;
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beef.functions = LootEntry::SmeltIfFiery;
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LootTable table = singlePool({beef});
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LootContext cold = contextWith(ItemId::None, 5u);
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LootRoll raw = rollLootTable(table, cold);
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CHECK_EQ(raw.countOf(ItemId::RawBeef), 2);
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LootContext burning = contextWith(ItemId::None, 5u);
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burning.fiery = true;
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LootRoll cooked = rollLootTable(table, burning);
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CHECK_EQ(cooked.countOf(ItemId::CookedBeef), 2);
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CHECK_EQ(cooked.countOf(ItemId::RawBeef), 0);
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}
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VF_TEST(bonusRollsPerLootingAddWholeExtraPullsToAPool) {
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LootPool pool;
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pool.bonusRollsPerLooting = 2;
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LootEntry gold;
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gold.item = ItemId::GoldIngot;
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pool.entries.push_back(gold);
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LootTable table;
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table.pools.push_back(pool);
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CHECK_EQ(rollLootTable(table, contextWith(ItemId::None, 3u)).countOf(ItemId::GoldIngot), 1);
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LootContext looted = enchanted(ItemId::IronSword, EnchantKind::Looting, 3, 3u);
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CHECK_EQ(rollLootTable(table, looted).countOf(ItemId::GoldIngot), 7);
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}
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VF_TEST(anEmptyOrOutOfRangeTableRollsToNothingInsteadOfReadingPastItsEnd) {
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LootContext context = contextWith(ItemId::DiamondPickaxe, 1u);
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CHECK(rollLootTable(LootTable{}, context).empty());
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CHECK(blockLootTable(Block::Count).empty());
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CHECK(mobLootTable(LootTable::MobKind::Count).empty());
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CHECK(chestLootTable(LootTable::ChestKind::Count).empty());
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CHECK(rollMobDrops(LootTable::MobKind::Count, context).empty());
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CHECK(rollChestContents(LootTable::ChestKind::Count, context).empty());
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// Air has no item form, so its self-drop table comes out empty rather than
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// dropping a phantom stack.
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CHECK(rollBlockDrops(Block::Air, context).empty());
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}
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VF_TEST(countOfAndTotalCountAgreeWithTheStacksTheyWereBuiltFrom) {
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LootRoll roll;
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roll.items.push_back({ItemId::IronIngot, 3, 0});
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roll.items.push_back({ItemId::Bread, 2, 0});
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roll.items.push_back({ItemId::IronIngot, 4, 0});
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CHECK_EQ(roll.countOf(ItemId::IronIngot), 7);
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CHECK_EQ(roll.countOf(ItemId::Bread), 2);
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CHECK_EQ(roll.countOf(ItemId::DiamondGem), 0);
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CHECK_EQ(roll.totalCount(), 9);
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CHECK(!roll.empty());
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CHECK(LootRoll{}.empty());
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CHECK_EQ(LootRoll{}.totalCount(), 0);
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}
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