test: cover ticksUntilDead
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#include "testHarness.h"
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#include "vf/Effect.h"
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using namespace vf;
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namespace {
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int ticksUntilDead(EffectSet& set, float& health, float maxHealth, int limit) {
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for (int tick = 0; tick < limit; ++tick) {
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EffectSet::Pending pending = tickEffects(set);
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applyEffectTick(pending, health, maxHealth);
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if (health <= 0.0f) return tick + 1;
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}
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return -1;
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}
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} // namespace
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VF_TEST(strongerEffectReplacesWeakerAndLongerOneOfEqualLevelWins) {
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EffectSet set;
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CHECK(applyEffect(set, makeEffect(EffectKind::Speed, 2, 100)));
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CHECK_EQ(effectLevel(set, EffectKind::Speed), 2);
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CHECK(!applyEffect(set, makeEffect(EffectKind::Speed, 1, 5000)));
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CHECK_EQ(effectLevel(set, EffectKind::Speed), 2);
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CHECK_EQ(effectDuration(set, EffectKind::Speed), 100);
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CHECK(applyEffect(set, makeEffect(EffectKind::Speed, 2, 240)));
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CHECK_EQ(effectDuration(set, EffectKind::Speed), 240);
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CHECK(applyEffect(set, makeEffect(EffectKind::Speed, 3, 10)));
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CHECK_EQ(effectLevel(set, EffectKind::Speed), 3);
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CHECK_EQ(effectDuration(set, EffectKind::Speed), 10);
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CHECK_EQ(static_cast<int>(set.active.size()), 1);
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}
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VF_TEST(regenerationHealsOnItsIntervalAndFasterAtHigherLevel) {
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EffectSet slow;
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applyEffect(slow, makeEffect(EffectKind::Regeneration, 1, 500));
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float slowHealth = 10.0f;
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for (int tick = 0; tick < 500; ++tick) {
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EffectSet::Pending pending = tickEffects(slow);
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applyEffectTick(pending, slowHealth, 20.0f);
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}
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CHECK_NEAR(slowHealth, 20.0f, 0.001f);
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EffectSet fast;
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applyEffect(fast, makeEffect(EffectKind::Regeneration, 2, 100));
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float fastHealth = 10.0f;
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int fastHeals = 0;
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for (int tick = 0; tick < 100; ++tick) {
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EffectSet::Pending pending = tickEffects(fast);
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if (pending.regenerationHeal > 0.0f) ++fastHeals;
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applyEffectTick(pending, fastHealth, 20.0f);
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}
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CHECK_EQ(periodicIntervalTicks(EffectKind::Regeneration, 0), 50);
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CHECK_EQ(periodicIntervalTicks(EffectKind::Regeneration, 1), 25);
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CHECK_EQ(fastHeals, 4);
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CHECK_NEAR(fastHealth, 14.0f, 0.001f);
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}
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VF_TEST(poisonNeverTakesTheLastHalfHeartButWitherKills) {
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EffectSet poisoned;
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applyEffect(poisoned, makeEffect(EffectKind::Poison, 1, 2000));
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float poisonedHealth = 20.0f;
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CHECK_EQ(ticksUntilDead(poisoned, poisonedHealth, 20.0f, 2000), -1);
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CHECK_NEAR(poisonedHealth, 1.0f, 0.001f);
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EffectSet withered;
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applyEffect(withered, makeEffect(EffectKind::Wither, 1, 2000));
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float witheredHealth = 20.0f;
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int deathTick = ticksUntilDead(withered, witheredHealth, 20.0f, 2000);
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CHECK(deathTick > 0);
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CHECK_NEAR(witheredHealth, 0.0f, 0.001f);
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}
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VF_TEST(witherAtHigherLevelKillsFasterThanAtLevelOne) {
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EffectSet weak;
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applyEffect(weak, makeEffect(EffectKind::Wither, 1, 4000));
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float weakHealth = 20.0f;
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int slowDeath = ticksUntilDead(weak, weakHealth, 20.0f, 4000);
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EffectSet strong;
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applyEffect(strong, makeEffect(EffectKind::Wither, 3, 4000));
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float strongHealth = 20.0f;
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int fastDeath = ticksUntilDead(strong, strongHealth, 20.0f, 4000);
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CHECK(slowDeath > 0);
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CHECK(fastDeath > 0);
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CHECK(fastDeath * 3 < slowDeath);
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}
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VF_TEST(effectsExpireAfterTheirDurationAndStopModifyingAttributes) {
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EffectSet set;
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applyEffect(set, makeEffect(EffectKind::Speed, 3, 40));
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CHECK_NEAR(effectModifiers(set).moveSpeedMultiplier, 1.6f, 0.001f);
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int expired = 0;
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for (int tick = 0; tick < 39; ++tick) expired += tickEffects(set).expiredCount;
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CHECK_EQ(expired, 0);
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CHECK(hasEffect(set, EffectKind::Speed));
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expired += tickEffects(set).expiredCount;
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CHECK_EQ(expired, 1);
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CHECK(!hasEffect(set, EffectKind::Speed));
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CHECK_NEAR(effectModifiers(set).moveSpeedMultiplier, 1.0f, 0.001f);
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}
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VF_TEST(speedAndSlownessMultiplyMovementInOppositeDirections) {
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EffectSet hasted;
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applyEffect(hasted, makeEffect(EffectKind::Speed, 2, 100));
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CHECK_NEAR(effectModifiers(hasted).moveSpeedMultiplier, 1.4f, 0.001f);
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EffectSet slowed;
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applyEffect(slowed, makeEffect(EffectKind::Slowness, 4, 100));
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CHECK_NEAR(effectModifiers(slowed).moveSpeedMultiplier, 0.4f, 0.001f);
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EffectSet both;
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applyEffect(both, makeEffect(EffectKind::Speed, 2, 100));
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applyEffect(both, makeEffect(EffectKind::Slowness, 2, 100));
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CHECK_NEAR(effectModifiers(both).moveSpeedMultiplier, 1.4f * 0.7f, 0.001f);
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}
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VF_TEST(miningFatigueCompoundsWithHasteOnTheMiningMultiplier) {
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EffectSet set;
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applyEffect(set, makeEffect(EffectKind::Haste, 2, 200));
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CHECK_NEAR(effectModifiers(set).miningSpeedMultiplier, 1.4f, 0.001f);
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applyEffect(set, makeEffect(EffectKind::MiningFatigue, 1, 200));
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CHECK_NEAR(effectModifiers(set).miningSpeedMultiplier, 1.4f * 0.3f, 0.001f);
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}
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VF_TEST(instantHealthResolvesOnTheNextTickAndLeavesNoResidue) {
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EffectSet set;
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applyEffect(set, makeEffect(EffectKind::InstantHealth, 2, 0));
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CHECK_EQ(static_cast<int>(set.active.size()), 1);
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float health = 6.0f;
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EffectSet::Pending pending = tickEffects(set);
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CHECK_NEAR(pending.instantHeal, 8.0f, 0.001f);
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applyEffectTick(pending, health, 20.0f);
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CHECK_NEAR(health, 14.0f, 0.001f);
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CHECK_EQ(static_cast<int>(set.active.size()), 0);
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pending = tickEffects(set);
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CHECK(pending.empty());
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}
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VF_TEST(instantDamageAtReducedPotencyHitsSofterThanADirectDose) {
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EffectSet full;
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EffectInstance strong = makeEffect(EffectKind::InstantDamage, 1, 0);
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applyEffect(full, strong);
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float fullHealth = 20.0f;
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applyEffectTick(tickEffects(full), fullHealth, 20.0f);
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CHECK_NEAR(fullHealth, 14.0f, 0.001f);
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EffectSet weak;
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EffectInstance grazed = strong;
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grazed.potency = 0.5f;
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applyEffect(weak, grazed);
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float weakHealth = 20.0f;
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applyEffectTick(tickEffects(weak), weakHealth, 20.0f);
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CHECK_NEAR(weakHealth, 17.0f, 0.001f);
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}
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VF_TEST(fermentedSpiderEyeInversionMapsEffectsToTheirOpposites) {
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CHECK(invertedEffect(EffectKind::Speed) == EffectKind::Slowness);
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CHECK(invertedEffect(EffectKind::InstantHealth) == EffectKind::InstantDamage);
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CHECK(invertedEffect(EffectKind::Poison) == EffectKind::InstantDamage);
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CHECK(invertedEffect(EffectKind::NightVision) == EffectKind::Invisibility);
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CHECK(invertedEffect(EffectKind::Regeneration) == EffectKind::Count);
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CHECK(isHarmfulEffect(EffectKind::Wither));
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CHECK(!isHarmfulEffect(EffectKind::Regeneration));
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CHECK(isInstantEffect(EffectKind::InstantDamage));
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}
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VF_TEST(absorptionAndHealthBoostRaiseTheCeilingThroughModifiers) {
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EffectSet set;
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applyEffect(set, makeEffect(EffectKind::HealthBoost, 2, 400));
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applyEffect(set, makeEffect(EffectKind::Absorption, 3, 400));
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EffectModifier modifier = effectModifiers(set);
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CHECK_NEAR(modifier.maxHealthBonus, 8.0f, 0.001f);
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CHECK_NEAR(modifier.absorptionHearts, 12.0f, 0.001f);
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applyEffect(set, makeEffect(EffectKind::FireResistance, 1, 400));
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applyEffect(set, makeEffect(EffectKind::NightVision, 1, 400));
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modifier = effectModifiers(set);
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CHECK(modifier.fireImmune);
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CHECK(modifier.nightVision);
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CHECK(!modifier.waterBreathing);
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}
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VF_TEST(regenerationAndPoisonTogetherLeaveHealthDrifting) {
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EffectSet set;
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applyEffect(set, makeEffect(EffectKind::Regeneration, 1, 600));
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applyEffect(set, makeEffect(EffectKind::Poison, 1, 600));
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float health = 10.0f;
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for (int tick = 0; tick < 600; ++tick) {
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EffectSet::Pending pending = tickEffects(set);
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applyEffectTick(pending, health, 20.0f);
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}
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// Poison fires twice as often as regeneration, so the net drift is down,
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// and it still stops at the last half heart.
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CHECK_NEAR(health, 1.0f, 0.001f);
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CHECK_EQ(static_cast<int>(set.active.size()), 0);
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}
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VF_TEST(removingAndClearingEffectsDropsThemImmediately) {
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EffectSet set;
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applyEffect(set, makeEffect(EffectKind::Strength, 2, 300));
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applyEffect(set, makeEffect(EffectKind::Weakness, 1, 300));
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CHECK_NEAR(effectModifiers(set).attackDamageBonus, 2.0f, 0.001f);
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CHECK(removeEffect(set, EffectKind::Weakness));
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CHECK(!removeEffect(set, EffectKind::Weakness));
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CHECK_NEAR(effectModifiers(set).attackDamageBonus, 6.0f, 0.001f);
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clearEffects(set);
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CHECK_EQ(static_cast<int>(set.active.size()), 0);
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CHECK_NEAR(effectModifiers(set).attackDamageBonus, 0.0f, 0.001f);
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}
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