private List <Post> GeneratePosts(ScenarioEnding type)
{
var selectedPosts = new List <Post>(4);
var neutralPosts = 2;
var topScenarioCount = 2;
var typePosts = posts.Where(post => post.Type == type).ToList();
// Load the two top scenarios
var topScenarios = manager.TopScenarios(topScenarioCount);
if (topScenarios.Count < topScenarioCount)
{
neutralPosts += topScenarioCount - topScenarios.Count;
}
foreach (var scenario in topScenarios)
{
// Load all posts registered to this scenario
var scenarioPostList = typePosts.Where(post => post.scenario == scenario).ToList();
// If there are any, select one random one to return
if (scenarioPostList.Count > 0)
{
selectedPosts.Add(scenarioPostList[UnityEngine.Random.Range(0, scenarioPostList.Count - 1)]);
}
// If there are none, tell to load one extra post from neutral
else
{
neutralPosts++;
}
}
// Select all neutral posts, i.e. the posts that do not belong to the top 2 scenarios
// var neutralPostList = posts.Where(post => !topScenarios.Contains(post.scenario)).ToList();
// FIXME This messes up (might be fixed 2020-03-26)
var neutralPostList = typePosts.Where(post => !selectedPosts.Contains(post)).ToList();
// If there are not enough posts to pool from, just return as many as possible
if (neutralPosts > neutralPostList.Count)
{
neutralPosts = neutralPostList.Count;
}
// If there are no posts left to pool from, simply skip the rest and return
if (neutralPosts == 0)
{
return(selectedPosts);
}
// Generate random indexes
var randIndexes = Random.UniqueIntegers(0, neutralPostList.Count, neutralPosts);
// Select posts to return based on the indexes
selectedPosts.AddRange(randIndexes.Select(i => neutralPostList[i]));
return(selectedPosts);
}
public void UniqueIntegersRangePasses()
{
// Test min > max
Assert.Throws <ArgumentException>(() => Random.UniqueIntegers(10, 0, 1));
// Test len < 1
Assert.Throws <ArgumentException>(() => Random.UniqueIntegers(0, 4, 0));
// Test distance
Assert.Throws <ArgumentException>(() => Random.UniqueIntegers(0, 4, 5));
// Test tight
Assert.Throws <ArgumentException>(() => Random.UniqueIntegers(0, 1, 2));
// Test zeroes
Assert.Throws <ArgumentException>(() => Random.UniqueIntegers(0, 0, 0));
// Test valid
Assert.DoesNotThrow(() => Random.UniqueIntegers(-8, 50, 53));
}
private static int[] RunSequence(int min, int max, int length)
{
var sequence = Random.UniqueIntegers(min, max, length);
// Check length of array
Assert.True(sequence.Length == length);
foreach (var val in sequence)
{
// Check if unique
Assert.True(sequence.Count(i => i == val) == 1);
// Check if in range
Assert.True(val >= min);
Assert.True(val < max);
}
return(sequence);
}
