summaryrefslogtreecommitdiffstats
path: root/tests/Generating/BasicGeneratorTest.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tests/Generating/BasicGeneratorTest.cpp')
-rw-r--r--tests/Generating/BasicGeneratorTest.cpp223
1 files changed, 223 insertions, 0 deletions
diff --git a/tests/Generating/BasicGeneratorTest.cpp b/tests/Generating/BasicGeneratorTest.cpp
new file mode 100644
index 000000000..0f807038c
--- /dev/null
+++ b/tests/Generating/BasicGeneratorTest.cpp
@@ -0,0 +1,223 @@
+#include "Globals.h"
+#include "Generating/ChunkGenerator.h"
+#include "Generating/ChunkDesc.h"
+#include "../TestHelpers.h"
+#include "IniFile.h"
+
+
+
+
+
+/** Checks that the chunk's heightmap corresponds to the chunk contents. */
+static void verifyChunkDescHeightmap(const cChunkDesc & a_ChunkDesc)
+{
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int y = cChunkDef::Height - 1; y > 0; y--)
+ {
+ BLOCKTYPE BlockType = a_ChunkDesc.GetBlockType(x, y, z);
+ if (BlockType != E_BLOCK_AIR)
+ {
+ int Height = a_ChunkDesc.GetHeight(x, z);
+ TEST_EQUAL_MSG(Height, y, Printf("Chunk height at <%d, %d>: exp %d, got %d", x, z, y, Height));
+ break;
+ }
+ } // for y
+ } // for z
+ } // for x
+}
+
+
+
+
+
+/** Prints out the entire column from the chunk, one block type per line. */
+static void printChunkColumn(const cChunkDesc & a_ChunkDesc, int a_X, int a_Z)
+{
+ auto prevBlockType = a_ChunkDesc.GetBlockType(a_X, cChunkDef::Height - 1, a_Z);
+ int count = 1;
+ LOG("Column {%d, %d}:", a_X, a_Z);
+ LOG("Yfrom\tYto\tcnt\ttype\ttypeStr");
+ for (int y = cChunkDef::Height - 2; y >= 0; --y)
+ {
+ auto blockType = a_ChunkDesc.GetBlockType(a_X, y, a_Z);
+ if (blockType != prevBlockType)
+ {
+ LOG("%d\t%d\t%d\t%d\t%s", y + 1, y + count, count, prevBlockType, ItemTypeToString(prevBlockType));
+ prevBlockType = blockType;
+ count = 1;
+ }
+ else
+ {
+ count += 1;
+ }
+ }
+ LOG("%d\t%d\t%d\t%s", 0, count, prevBlockType, ItemTypeToString(prevBlockType));
+}
+
+
+
+
+
+/** Tests that the default Overworld generator generates a few chunks that have the Overworld look:
+- bedrock at their bottom
+- a valid overworld block at their height's top
+- air at their top, unless the height at that point is equal to full chunk height.
+- valid heightmap
+Multiple chunks are tested. */
+static void testGenerateOverworld()
+{
+ LOG("Testing Overworld generator...");
+
+ // Create a default Overworld generator:
+ cIniFile ini;
+ ini.AddValue("General", "Dimension", "Overworld");
+ ini.AddValueI("Seed", "Seed", 1);
+ ini.AddValue("Generator", "Finishers", ""); // Use no finishers, so that we don't have to check too many blocktypes
+ auto gen = cChunkGenerator::CreateFromIniFile(ini);
+ TEST_NOTEQUAL(gen, nullptr);
+
+ for (int chunkX = 0; chunkX < 50; ++chunkX)
+ {
+ // Generate a chunk:
+ cChunkDesc chd({chunkX, 0});
+ gen->Generate(chunkX, 0, chd);
+ verifyChunkDescHeightmap(chd);
+
+ // Check that it has bedrock at the bottom:
+ for (int x = 0; x < cChunkDef::Width; ++x)
+ {
+ for (int z = 0; z < cChunkDef::Width; ++z)
+ {
+ TEST_EQUAL_MSG(chd.GetBlockType(x, 0, z), E_BLOCK_BEDROCK, Printf("Bedrock floor at {%d, 0, %d}", x, z));
+ }
+ }
+
+ // Check that the blocks on the top are valid Overworld blocks:
+ static std::set<BLOCKTYPE> validOverworldBlockTypes =
+ {
+ E_BLOCK_STONE,
+ E_BLOCK_GRASS,
+ E_BLOCK_WATER,
+ E_BLOCK_STATIONARY_WATER,
+ E_BLOCK_LAVA,
+ E_BLOCK_STATIONARY_LAVA,
+ E_BLOCK_SAND,
+ E_BLOCK_GRAVEL,
+ E_BLOCK_LEAVES,
+ E_BLOCK_NEW_LEAVES,
+ };
+ for (int x = 0; x < cChunkDef::Width; ++x)
+ {
+ for (int z = 0; z < cChunkDef::Width; ++z)
+ {
+ auto y = chd.GetHeight(x, z);
+ auto blockType = chd.GetBlockType(x, y, z);
+ TEST_EQUAL_MSG(validOverworldBlockTypes.count(blockType), 1,
+ Printf("Block at {%d, %d, %d}: %d", x, y, z, blockType)
+ );
+ if (y < cChunkDef::Height - 1)
+ {
+ TEST_EQUAL_MSG(chd.GetBlockType(x, cChunkDef::Height - 1, z), E_BLOCK_AIR,
+ Printf("Air at {%d, %d, %d}", x, cChunkDef::Height - 1, z)
+ );
+ }
+ }
+ }
+ }
+}
+
+
+
+
+
+/** Tests that the default Nether generator generates a chunk that has the Nether look:
+- bedrock at the bottom
+- bedrock at the height's top
+- netherrack, lava or soulsand anywhere in the middle
+- valid heightmap
+Multiple chunks are tested. */
+static void testGenerateNether()
+{
+ LOG("Testing Nether generator...");
+
+ // Create a default Nether generator:
+ cIniFile ini;
+ ini.AddValue("General", "Dimension", "Nether");
+ ini.AddValueI("Seed", "Seed", 1);
+ auto gen = cChunkGenerator::CreateFromIniFile(ini);
+ TEST_NOTEQUAL(gen, nullptr);
+
+ for (int chunkX = 0; chunkX < 50; ++chunkX)
+ {
+ // Generate a chunk:
+ cChunkDesc chd({chunkX, 0});
+ gen->Generate(chunkX, 0, chd);
+ verifyChunkDescHeightmap(chd);
+
+ // Check that the biome is Nether everywhere:
+ for (int x = 0; x < cChunkDef::Width; ++x)
+ {
+ for (int z = 0; z < cChunkDef::Width; ++z)
+ {
+ TEST_EQUAL_MSG(chd.GetBiome(x, z), biNether, Printf("Nether biome at {%d, %d}", x, z));
+ }
+ }
+
+ // Check that it has bedrock at the bottom and height:
+ int prevHeight = chd.GetHeight(0, 0);
+ for (int x = 0; x < cChunkDef::Width; ++x)
+ {
+ for (int z = 0; z < cChunkDef::Width; ++z)
+ {
+ TEST_EQUAL_MSG(chd.GetBlockType(x, 0, z), E_BLOCK_BEDROCK, Printf("Bedrock floor at {%d, 0, %d}", x, z));
+ auto y = chd.GetHeight(x, z);
+ TEST_EQUAL(y, prevHeight); // Same height across the entire chunk
+ auto blockType = chd.GetBlockType(x, y, z);
+ TEST_EQUAL_MSG(blockType, E_BLOCK_BEDROCK,
+ Printf("Bedrock ceiling at {%d, %d, %d}: %d", x, y, z, blockType)
+ );
+ }
+ }
+
+ // Check that the blocks on the top are valid Overworld blocks:
+ for (int x = 0; x < cChunkDef::Width; ++x)
+ {
+ for (int z = 0; z < cChunkDef::Width; ++z)
+ {
+ bool hasSuitableBlockType = false;
+ for (int y = chd.GetHeight(x, z); y > 0; --y)
+ {
+ switch (chd.GetBlockType(x, y, z))
+ {
+ case E_BLOCK_NETHERRACK:
+ case E_BLOCK_NETHER_QUARTZ_ORE:
+ case E_BLOCK_LAVA:
+ case E_BLOCK_STATIONARY_LAVA:
+ case E_BLOCK_SOULSAND:
+ {
+ hasSuitableBlockType = true;
+ break;
+ }
+ }
+ } // for y
+ if (!hasSuitableBlockType)
+ {
+ printChunkColumn(chd, x, z);
+ TEST_FAIL(Printf("!hasSuitableBlockType at column {%d, %d} of chunk [%d, 0]", x, z, chunkX));
+ }
+ }
+ }
+ }
+}
+
+
+
+
+
+IMPLEMENT_TEST_MAIN("BasicGeneratorTest",
+ testGenerateOverworld();
+ testGenerateNether();
+)