test: cover testEndGen
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dualfroz committed
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@@ -154,3 +154,201 @@ VF_TEST(obsidianPillarsRingTheCentreDeterministically) {
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CHECK_EQ(ring.size(), static_cast<std::size_t>(params.pillarCount));
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CHECK_EQ(ring.size(), static_cast<std::size_t>(params.pillarCount));
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CHECK_EQ(again.size(), ring.size());
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CHECK_EQ(again.size(), ring.size());
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std::set<int> heights;
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int crowned = 0;
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for (std::size_t index = 0; index < ring.size(); ++index) {
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const ObsidianPillar& pillar = ring[index];
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CHECK_EQ(pillar.base.x, again[index].base.x);
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CHECK_EQ(pillar.base.z, again[index].base.z);
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CHECK_EQ(pillar.height, again[index].height);
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float distance = distanceFromOrigin(pillar.base.x, pillar.base.z);
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CHECK(distance > static_cast<float>(params.pillarRing) - 6.0f);
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CHECK(distance < static_cast<float>(params.pillarRing) + 6.0f);
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CHECK(pillar.radius >= 1 && pillar.radius <= 3);
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CHECK(pillar.base.y + pillar.height < params.ceilingY - 1);
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heights.insert(pillar.height);
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if (pillar.crowned) ++crowned;
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}
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CHECK(heights.size() > 1);
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CHECK(crowned > 0);
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}
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VF_TEST(pillarsAreStampedIntoTheGeneratedWorld) {
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EndGenerator generator;
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World world;
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for (int columnX = -4; columnX <= 4; ++columnX)
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for (int columnZ = -4; columnZ <= 4; ++columnZ)
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generator.generateColumn(world, columnX, columnZ);
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ObsidianPillar pillar = generator.pillars().front();
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CHECK_EQ(world.blockAt(pillar.base.x, pillar.base.y, pillar.base.z), Block::Obsidian);
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CHECK_EQ(world.blockAt(pillar.base.x, pillar.base.y + pillar.height, pillar.base.z),
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Block::Obsidian);
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CHECK_EQ(world.blockAt(pillar.base.x, pillar.base.y + pillar.height + 2, pillar.base.z),
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Block::Air);
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}
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VF_TEST(exitPortalSitsAtTheOriginOfTheCentralIsland) {
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EndGenerator generator;
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World world;
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for (int columnX = -1; columnX <= 0; ++columnX)
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for (int columnZ = -1; columnZ <= 0; ++columnZ)
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generator.generateColumn(world, columnX, columnZ);
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int surface = generator.surfaceHeight(0, 0);
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CHECK_EQ(world.blockAt(0, surface, 0), Block::EndPortal);
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CHECK_EQ(world.blockAt(1, surface, 1), Block::EndPortal);
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CHECK_EQ(world.blockAt(2, surface, 0), Block::Bedrock);
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CHECK_EQ(world.blockAt(0, surface - 1, 0), Block::Bedrock);
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CHECK_EQ(world.blockAt(-2, surface + 1, -2), Block::Bedrock);
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CHECK_EQ(world.blockAt(0, surface + 1, 0), Block::Air);
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int portalCells = 0;
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for (int dx = -2; dx <= 2; ++dx)
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for (int dz = -2; dz <= 2; ++dz)
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if (world.blockAt(dx, surface, dz) == Block::EndPortal) ++portalCells;
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CHECK_EQ(portalCells, 9);
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}
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VF_TEST(exitPortalCanBeSwitchedOff) {
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EndGenerator::Params bare;
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bare.exitPortal = false;
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EndGenerator generator(bare);
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World world;
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generator.generateColumn(world, 0, 0);
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CHECK_EQ(world.blockAt(0, generator.surfaceHeight(0, 0), 0), Block::EndStone);
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}
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VF_TEST(chorusGrowsAStemWithBranchesAndFlowers) {
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EndGenerator generator;
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World world;
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world.setBlock(0, 50, 0, Block::EndStone);
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int written = generator.growChorus(world, {0, 51, 0}, 4711u, 3);
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CHECK(written > 3);
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int stems = 0;
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int flowers = 0;
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int highest = 50;
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int widest = 0;
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for (int gx = -8; gx <= 8; ++gx) {
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for (int gz = -8; gz <= 8; ++gz) {
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for (int gy = 50; gy < 90; ++gy) {
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Block block = world.blockAt(gx, gy, gz);
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if (block != Block::ChorusPlant && block != Block::ChorusFlower) continue;
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if (block == Block::ChorusPlant) ++stems;
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else ++flowers;
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if (gy > highest) highest = gy;
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int reach = std::abs(gx) > std::abs(gz) ? std::abs(gx) : std::abs(gz);
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if (reach > widest) widest = reach;
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}
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}
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}
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CHECK_EQ(stems + flowers, written);
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CHECK(stems > 0);
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CHECK(flowers > 0);
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CHECK(highest > 51);
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CHECK(widest > 0);
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CHECK(widest <= 3);
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}
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VF_TEST(chorusGrowthIsRepeatableAndBoundedByItsDepth) {
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EndGenerator generator;
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World first, second;
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first.setBlock(0, 50, 0, Block::EndStone);
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second.setBlock(0, 50, 0, Block::EndStone);
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int written = generator.growChorus(first, {0, 51, 0}, 88u, 3);
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CHECK_EQ(generator.growChorus(second, {0, 51, 0}, 88u, 3), written);
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int differences = 0;
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for (int gx = -8; gx <= 8; ++gx)
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for (int gz = -8; gz <= 8; ++gz)
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for (int gy = 50; gy < 90; ++gy)
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if (first.blockAt(gx, gy, gz) != second.blockAt(gx, gy, gz)) ++differences;
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CHECK_EQ(differences, 0);
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World shallow;
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shallow.setBlock(0, 50, 0, Block::EndStone);
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int small = generator.growChorus(shallow, {0, 51, 0}, 88u, 1);
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CHECK(small > 0);
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CHECK(small < written);
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int shallowTop = 50;
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for (int gy = 50; gy < 90; ++gy)
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if (shallow.blockAt(0, gy, 0) != Block::Air) shallowTop = gy;
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CHECK(shallowTop <= 54);
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}
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VF_TEST(chorusRefusesAnythingButEndStoneUnderneath) {
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EndGenerator generator;
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World world;
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CHECK_EQ(generator.growChorus(world, {0, 51, 0}, 1u, 3), 0);
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world.setBlock(0, 50, 0, Block::Obsidian);
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CHECK_EQ(generator.growChorus(world, {0, 51, 0}, 1u, 3), 0);
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world.setBlock(0, 50, 0, Block::EndStone);
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world.setBlock(0, 51, 0, Block::Purpur);
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CHECK_EQ(generator.growChorus(world, {0, 51, 0}, 1u, 3), 0);
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}
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VF_TEST(outerIslandsOnlyAppearBeyondTheDistanceThreshold) {
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EndGenerator generator;
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int islandX = 0;
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int islandZ = 0;
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CHECK(locateOuterIsland(generator, islandX, islandZ));
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CHECK(distanceFromOrigin(islandX, islandZ) >=
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static_cast<float>(generator.settings().outerDistance));
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CHECK_EQ(generator.biomeAt(islandX, islandZ), EndBiome::OuterIsland);
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CHECK(!generator.islandAt(islandX, islandZ).central);
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CHECK(generator.islandAt(islandX, islandZ).radius > 0.0f);
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}
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VF_TEST(outerIslandsCarryChorusAndPurpur) {
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EndGenerator generator;
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int islandX = 0;
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int islandZ = 0;
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CHECK(locateOuterIsland(generator, islandX, islandZ));
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World world;
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int columnX = floorDiv(islandX, chunkSize);
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int columnZ = floorDiv(islandZ, chunkSize);
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for (int dx = -1; dx <= 1; ++dx)
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for (int dz = -1; dz <= 1; ++dz)
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generator.generateColumn(world, columnX + dx, columnZ + dz);
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int minX = (columnX - 1) * chunkSize;
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int minZ = (columnZ - 1) * chunkSize;
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int endStone = tallyBlocks(world, Block::EndStone, minX, minZ, chunkSize * 3, 128);
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int chorusStems = tallyBlocks(world, Block::ChorusPlant, minX, minZ, chunkSize * 3, 128);
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int chorusFlowers = tallyBlocks(world, Block::ChorusFlower, minX, minZ, chunkSize * 3, 128);
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CHECK(endStone > 1000);
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CHECK(chorusStems > 0);
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CHECK(chorusFlowers > 0);
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// Nothing from the central island's furniture leaks out here.
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CHECK_EQ(tallyBlocks(world, Block::EndPortal, minX, minZ, chunkSize * 3, 128), 0);
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CHECK_EQ(tallyBlocks(world, Block::Obsidian, minX, minZ, chunkSize * 3, 128), 0);
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}
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VF_TEST(endGenerationStaysInsideTheColumnItWasAskedFor) {
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EndGenerator generator;
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int islandX = 0;
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int islandZ = 0;
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CHECK(locateOuterIsland(generator, islandX, islandZ));
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World world;
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int columnX = floorDiv(islandX, chunkSize);
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int columnZ = floorDiv(islandZ, chunkSize);
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generator.generateColumn(world, columnX, columnZ);
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int strays = 0;
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for (const auto& entry : world.allChunks())
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if (entry.first.x != columnX || entry.first.z != columnZ) ++strays;
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CHECK_EQ(strays, 0);
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}
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