public Engine(Game game, EngineConfig config)
{
if (_instance != null)
throw new Exception("You can not instantiate the Engine more than once.");
_instance = this;
this.Game = game;
this.Configuration = config;
config.Validate(); // validate the config.
}
public void TestInvalidWidthInBlocksValue()
{
var config = new EngineConfig {Chunk = {WidthInBlocks = 0}};
config.Validate();
}
public void TestDefaultValidConfig()
{
var game = new GameClient();
var config = new EngineConfig();
var engine = new Engine.Core.Engine(game, config);
Assert.IsTrue(config.Validate()); // expect config validation to succeed.
Assert.IsNotNull(config.Chunk); // chunk configuration should exist.
Assert.IsNotNull(config.Cache); // cache configuratio should exists.
#region validate chunk configuration
// make sure default dimensions are valid.
Assert.Greater(config.Chunk.WidthInBlocks, 0);
Assert.Greater(config.Chunk.HeightInBlocks, 0);
Assert.Greater(config.Chunk.LengthInBlocks, 0);
// calculate expected chunk volume in blocks
var expectedChunkVolumeInBlocks = config.Chunk.WidthInBlocks*
config.Chunk.HeightInBlocks*
config.Chunk.LengthInBlocks;
Assert.AreEqual(config.Chunk.Volume, expectedChunkVolumeInBlocks);
// make sure max-width-index is valid.
Assert.AreEqual(config.Chunk.MaxWidthInBlocks,
config.Chunk.WidthInBlocks - 1);
// make sure max-height-index is valid.
Assert.AreEqual(config.Chunk.MaxHeightInBlocks,
config.Chunk.HeightInBlocks - 1);
// make sure max-lenght-index is valid.
Assert.AreEqual(config.Chunk.MaxLengthInBlocks,
config.Chunk.LengthInBlocks - 1);
#endregion
#region validate cache configuration
// make sure default dimensions are valid.
Assert.Greater(config.Cache.ViewRange, 0);
Assert.Greater(config.Cache.CacheRange, 0);
// make sure cache-dimension in blocks are calculated correctly.
var expectedCacheWidthInBlocks = (config.Cache.CacheRange * 2 + 1) *
config.Chunk.WidthInBlocks;
var expectedCacheHeightInBlocks = config.Chunk.HeightInBlocks;
var expectedCacheLenghtInBlocks = (config.Cache.CacheRange * 2 + 1) *
config.Chunk.LengthInBlocks;
Assert.AreEqual(config.Cache.CacheRangeWidthInBlocks, expectedCacheWidthInBlocks);
Assert.AreEqual(config.Cache.CacheRangeHeightInBlocks, expectedCacheHeightInBlocks);
Assert.AreEqual(config.Cache.CacheRangeLenghtInBlocks, expectedCacheLenghtInBlocks);
// if by default, cache-extra-chunks option is set to true, make sure that default cache-range > default view-range.
if (config.Cache.CacheExtraChunks)
Assert.Greater(config.Cache.CacheRange, config.Cache.ViewRange,
"Cache range must be greater view range when CacheExtraChunk option is set to true.");
else // if by default, cache-extra-chunks option is set to false, make sure that default cache-range = default view-range.
Assert.AreEqual(config.Cache.ViewRange, config.Cache.CacheRange,
"Cache range can not be different than view range when CacheExtraChunk option is set to false.");
#endregion
}
public void TestInvalidCacheRangeNotGreaterThanViewRangeWhenCacheExtraChunksIsOn()
{
var config = new EngineConfig { Cache = { CacheExtraChunks = true, ViewRange = 2, CacheRange = 2 } };
config.Validate();
}
public void TestInvalidViewRangeNotEqualToCacheRangeWhenCacheExtraChunksIsOff()
{
var config = new EngineConfig { Cache = { CacheExtraChunks = false, ViewRange = 1, CacheRange = 2 } };
config.Validate();
}
public void TestInvalidViewRangeGreaterThanCacheRange()
{
var config = new EngineConfig { Cache = { ViewRange = 2, CacheRange = 1 } };
config.Validate();
}
public void TestInvalidCacheRangeValue()
{
var config = new EngineConfig { Cache = { CacheRange = 0 } };
config.Validate();
}
