test: cover testSpawning
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@@ -156,3 +156,161 @@ VF_TEST(aNocturnalRuleIsRefusedInBroadDaylight) {
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SpawnDenial::WrongTimeOfDay);
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SpawnDenial::WrongTimeOfDay);
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}
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}
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VF_TEST(theWrongBlockUnderfootIsRefused) {
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World world = plateWorld(Block::Grass);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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SpawnRule rule = zombieRule();
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rule.groundBlocks = {Block::Sand};
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CHECK(checkSpawnRule(rule, env, originCell(), MobCap{}) == SpawnDenial::UnsuitableGround);
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rule.groundBlocks = {Block::Sand, Block::Grass};
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CHECK(checkSpawnRule(rule, env, originCell(), MobCap{}) == SpawnDenial::None);
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}
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VF_TEST(aCeilingPressedOntoTheSpawnCellIsRefusedForNoHeadroom) {
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World world = plateWorld(Block::Grass);
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world.setBlock(0, spawnY + 1, 0, Block::Stone);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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CHECK(checkSpawnRule(zombieRule(), env, originCell(), MobCap{}) == SpawnDenial::NoHeadroom);
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SpawnRule crawler = zombieRule();
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crawler.requiredHeadroom = 1;
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CHECK(checkSpawnRule(crawler, env, originCell(), MobCap{}) == SpawnDenial::None);
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}
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VF_TEST(aTorchLitCellIsRefusedForTooMuchBlockLight) {
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World world = plateWorld(Block::Grass);
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world.setBlock(1, spawnY, 1, Block::Glowstone);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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CHECK(env.blockLightAt(originCell()) > zombieRule().maxBlockLight);
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CHECK(checkSpawnRule(zombieRule(), env, originCell(), MobCap{}) ==
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SpawnDenial::BlockLightTooHigh);
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// The same cell far from the emitter is dark enough again.
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Vec3i faraway{30, spawnY, 30};
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CHECK_EQ(env.blockLightAt(faraway), 0);
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CHECK(checkSpawnRule(zombieRule(), env, faraway, MobCap{}) == SpawnDenial::None);
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}
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VF_TEST(anOpenSkyAtNoonIsRefusedForTooMuchSkyLight) {
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World world = plateWorld(Block::Grass);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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env.daytime = true;
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SpawnRule daywalker = zombieRule();
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daywalker.dayAllowed = true;
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CHECK_EQ(env.skyLightAt(originCell()), 15);
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CHECK(checkSpawnRule(daywalker, env, originCell(), MobCap{}) ==
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SpawnDenial::SkyLightTooHigh);
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}
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VF_TEST(aSunlessCellIsRefusedForTooLittleLight) {
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World world = plateWorld(Block::Grass);
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for (int x = -fieldSpan; x <= fieldSpan; ++x) {
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for (int z = -fieldSpan; z <= fieldSpan; ++z) world.setBlock(x, floorY + 4, z, Block::Stone);
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}
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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env.daytime = true;
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env.playerPosition = {20.5f, static_cast<float>(spawnY), 0.5f};
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CHECK_EQ(env.skyLightAt(originCell()), 0);
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CHECK(checkSpawnRule(sheepRule(), env, originCell(), MobCap{}) == SpawnDenial::LightTooLow);
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}
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VF_TEST(theSpawnRingAroundThePlayerIsRefusedOnBothSides) {
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World world = plateWorld(Block::Grass);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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env.playerPosition = {0.5f, static_cast<float>(spawnY), 0.5f};
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CHECK(checkSpawnRule(zombieRule(), env, originCell(), MobCap{}) ==
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SpawnDenial::TooCloseToPlayer);
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env.playerPosition = {400.5f, static_cast<float>(spawnY), 0.5f};
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CHECK(checkSpawnRule(zombieRule(), env, originCell(), MobCap{}) ==
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SpawnDenial::TooFarFromPlayer);
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}
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VF_TEST(aColumnWithNoFloorReportsThatNoCellWasStandable) {
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World world;
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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Vec3i cell;
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CHECK(!pickSpawnCell(env, Vec3i{0, 0, 0}, 99u, 0, cell));
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Spawner spawner;
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SpawnResult result = spawner.runColumn(env, SpawnCategory::Hostile, Vec3i{0, 0, 0}, 99u, 0);
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CHECK(result.denial == SpawnDenial::NoStandableCell);
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CHECK(!result.spawned);
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CHECK_EQ(spawner.denialCount(SpawnDenial::NoStandableCell), 1);
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}
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VF_TEST(aCategoryWithNoRulesReportsThatNoRuleMatched) {
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World world = plateWorld(Block::Grass);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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Spawner spawner;
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SpawnResult result = spawner.runColumn(env, SpawnCategory::Water, Vec3i{0, 0, 0}, 7u, 0);
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CHECK(result.denial == SpawnDenial::NoRuleMatched);
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CHECK_EQ(spawner.denialCount(SpawnDenial::NoRuleMatched), 1);
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// Adding one water rule is all it takes for the category to come alive.
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std::vector<SpawnRule> rules = defaultSpawnRules();
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SpawnRule diver = sheepRule();
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diver.category = SpawnCategory::Water;
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rules.push_back(diver);
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Spawner wet(rules);
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CHECK(wet.pickRule(env, SpawnCategory::Water, 3u) != nullptr);
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}
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VF_TEST(theMobCapGrowsWithTheNumberOfLoadedChunks) {
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MobCap cap;
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CHECK_EQ(cap.capFor(SpawnCategory::Hostile, 289), cap.baseCapFor(SpawnCategory::Hostile));
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CHECK_EQ(cap.capFor(SpawnCategory::Hostile, 578), cap.baseCapFor(SpawnCategory::Hostile) * 2);
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CHECK_EQ(cap.capFor(SpawnCategory::Hostile, 0), 0);
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int previous = -1;
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for (int chunks = 0; chunks <= 1156; chunks += 17) {
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int current = cap.capFor(SpawnCategory::Hostile, chunks);
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CHECK(current >= previous);
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previous = current;
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}
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CHECK(cap.capFor(SpawnCategory::Hostile, 1156) > cap.capFor(SpawnCategory::Hostile, 289));
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CHECK(cap.capFor(SpawnCategory::Passive, 289) < cap.capFor(SpawnCategory::Hostile, 289));
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// A quarter of the world loaded holds roughly a quarter of the mobs.
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CHECK_EQ(cap.capFor(SpawnCategory::Hostile, 72), 17);
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}
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VF_TEST(aRunningCycleStopsSpawningOnceTheCapIsReached) {
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World world = plateWorld(Block::Grass);
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LightField light = bakeLight(world);
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SpawnEnvironment env = nightEnvironment(world, light);
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env.loadedChunks = 17;
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env.playerPosition = {0.5f, static_cast<float>(spawnY), 0.5f};
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MobCap cap;
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int limit = cap.capFor(SpawnCategory::Hostile, env.loadedChunks);
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CHECK(limit > 0);
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std::vector<Vec3i> columns;
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for (int cx = -2; cx <= 2; ++cx) {
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for (int cz = -2; cz <= 2; ++cz) columns.push_back(Vec3i{cx, 0, cz});
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}
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Spawner spawner;
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spawner.setAttemptsPerColumn(6);
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for (int cycle = 0; cycle < 12; ++cycle) {
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spawner.runCycle(env, SpawnCategory::Hostile, columns, 1234u + static_cast<uint64_t>(cycle));
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}
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