224 lines
5.8 KiB
C++
224 lines
5.8 KiB
C++
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#include "Globals.h"
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#include "Generating/ChunkGenerator.h"
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#include "Generating/ChunkDesc.h"
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#include "../TestHelpers.h"
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#include "IniFile.h"
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/** Checks that the chunk's heightmap corresponds to the chunk contents. */
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static void verifyChunkDescHeightmap(const cChunkDesc & a_ChunkDesc)
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{
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for (int x = 0; x < cChunkDef::Width; x++)
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{
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for (int z = 0; z < cChunkDef::Width; z++)
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{
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for (int y = cChunkDef::Height - 1; y > 0; y--)
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{
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BLOCKTYPE BlockType = a_ChunkDesc.GetBlockType(x, y, z);
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if (BlockType != E_BLOCK_AIR)
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{
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int Height = a_ChunkDesc.GetHeight(x, z);
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TEST_EQUAL_MSG(Height, y, Printf("Chunk height at <%d, %d>: exp %d, got %d", x, z, y, Height));
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break;
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}
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} // for y
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} // for z
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} // for x
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}
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/** Prints out the entire column from the chunk, one block type per line. */
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static void printChunkColumn(const cChunkDesc & a_ChunkDesc, int a_X, int a_Z)
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{
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auto prevBlockType = a_ChunkDesc.GetBlockType(a_X, cChunkDef::Height - 1, a_Z);
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int count = 1;
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LOG("Column {%d, %d}:", a_X, a_Z);
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LOG("Yfrom\tYto\tcnt\ttype\ttypeStr");
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for (int y = cChunkDef::Height - 2; y >= 0; --y)
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{
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auto blockType = a_ChunkDesc.GetBlockType(a_X, y, a_Z);
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if (blockType != prevBlockType)
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{
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LOG("%d\t%d\t%d\t%d\t%s", y + 1, y + count, count, prevBlockType, ItemTypeToString(prevBlockType));
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prevBlockType = blockType;
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count = 1;
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}
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else
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{
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count += 1;
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}
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}
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LOG("%d\t%d\t%d\t%s", 0, count, prevBlockType, ItemTypeToString(prevBlockType));
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}
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/** Tests that the default Overworld generator generates a few chunks that have the Overworld look:
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- bedrock at their bottom
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- a valid overworld block at their height's top
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- air at their top, unless the height at that point is equal to full chunk height.
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- valid heightmap
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Multiple chunks are tested. */
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static void testGenerateOverworld()
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{
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LOG("Testing Overworld generator...");
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// Create a default Overworld generator:
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cIniFile ini;
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ini.AddValue("General", "Dimension", "Overworld");
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ini.AddValueI("Seed", "Seed", 1);
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ini.AddValue("Generator", "Finishers", ""); // Use no finishers, so that we don't have to check too many blocktypes
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auto gen = cChunkGenerator::CreateFromIniFile(ini);
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TEST_NOTEQUAL(gen, nullptr);
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for (int chunkX = 0; chunkX < 50; ++chunkX)
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{
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// Generate a chunk:
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cChunkDesc chd({chunkX, 0});
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gen->Generate(chunkX, 0, chd);
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verifyChunkDescHeightmap(chd);
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// Check that it has bedrock at the bottom:
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for (int x = 0; x < cChunkDef::Width; ++x)
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{
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for (int z = 0; z < cChunkDef::Width; ++z)
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{
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TEST_EQUAL_MSG(chd.GetBlockType(x, 0, z), E_BLOCK_BEDROCK, Printf("Bedrock floor at {%d, 0, %d}", x, z));
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}
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}
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// Check that the blocks on the top are valid Overworld blocks:
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static std::set<BLOCKTYPE> validOverworldBlockTypes =
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{
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E_BLOCK_STONE,
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E_BLOCK_GRASS,
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E_BLOCK_WATER,
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E_BLOCK_STATIONARY_WATER,
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E_BLOCK_LAVA,
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E_BLOCK_STATIONARY_LAVA,
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E_BLOCK_SAND,
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E_BLOCK_GRAVEL,
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E_BLOCK_LEAVES,
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E_BLOCK_NEW_LEAVES,
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};
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for (int x = 0; x < cChunkDef::Width; ++x)
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{
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for (int z = 0; z < cChunkDef::Width; ++z)
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{
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auto y = chd.GetHeight(x, z);
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auto blockType = chd.GetBlockType(x, y, z);
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TEST_EQUAL_MSG(validOverworldBlockTypes.count(blockType), 1,
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Printf("Block at {%d, %d, %d}: %d", x, y, z, blockType)
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);
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if (y < cChunkDef::Height - 1)
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{
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TEST_EQUAL_MSG(chd.GetBlockType(x, cChunkDef::Height - 1, z), E_BLOCK_AIR,
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Printf("Air at {%d, %d, %d}", x, cChunkDef::Height - 1, z)
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);
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}
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}
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}
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}
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}
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/** Tests that the default Nether generator generates a chunk that has the Nether look:
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- bedrock at the bottom
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- bedrock at the height's top
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- netherrack, lava or soulsand anywhere in the middle
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- valid heightmap
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Multiple chunks are tested. */
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static void testGenerateNether()
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{
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LOG("Testing Nether generator...");
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// Create a default Nether generator:
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cIniFile ini;
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ini.AddValue("General", "Dimension", "Nether");
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ini.AddValueI("Seed", "Seed", 1);
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auto gen = cChunkGenerator::CreateFromIniFile(ini);
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TEST_NOTEQUAL(gen, nullptr);
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for (int chunkX = 0; chunkX < 50; ++chunkX)
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{
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// Generate a chunk:
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cChunkDesc chd({chunkX, 0});
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gen->Generate(chunkX, 0, chd);
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verifyChunkDescHeightmap(chd);
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// Check that the biome is Nether everywhere:
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for (int x = 0; x < cChunkDef::Width; ++x)
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{
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for (int z = 0; z < cChunkDef::Width; ++z)
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{
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TEST_EQUAL_MSG(chd.GetBiome(x, z), biNether, Printf("Nether biome at {%d, %d}", x, z));
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}
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}
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// Check that it has bedrock at the bottom and height:
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int prevHeight = chd.GetHeight(0, 0);
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for (int x = 0; x < cChunkDef::Width; ++x)
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{
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for (int z = 0; z < cChunkDef::Width; ++z)
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{
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TEST_EQUAL_MSG(chd.GetBlockType(x, 0, z), E_BLOCK_BEDROCK, Printf("Bedrock floor at {%d, 0, %d}", x, z));
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auto y = chd.GetHeight(x, z);
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TEST_EQUAL(y, prevHeight); // Same height across the entire chunk
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auto blockType = chd.GetBlockType(x, y, z);
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TEST_EQUAL_MSG(blockType, E_BLOCK_BEDROCK,
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Printf("Bedrock ceiling at {%d, %d, %d}: %d", x, y, z, blockType)
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);
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}
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}
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// Check that the blocks on the top are valid Overworld blocks:
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for (int x = 0; x < cChunkDef::Width; ++x)
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{
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for (int z = 0; z < cChunkDef::Width; ++z)
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{
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bool hasSuitableBlockType = false;
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for (int y = chd.GetHeight(x, z); y > 0; --y)
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{
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switch (chd.GetBlockType(x, y, z))
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{
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case E_BLOCK_NETHERRACK:
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case E_BLOCK_NETHER_QUARTZ_ORE:
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case E_BLOCK_LAVA:
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case E_BLOCK_STATIONARY_LAVA:
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case E_BLOCK_SOULSAND:
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{
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hasSuitableBlockType = true;
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break;
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}
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}
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} // for y
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if (!hasSuitableBlockType)
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{
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printChunkColumn(chd, x, z);
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TEST_FAIL(Printf("!hasSuitableBlockType at column {%d, %d} of chunk [%d, 0]", x, z, chunkX));
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}
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}
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}
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}
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}
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IMPLEMENT_TEST_MAIN("BasicGeneratorTest",
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testGenerateOverworld();
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testGenerateNether();
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)
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