/// <summary>
/// Reposiciona as questões, deixando-as espaçadas aleatóriamente no eixo Z.
/// </summary>
private void PositionAnswers()
{
float zIncrement = 0;
bool[] answersPositioned = new bool[answers.Length];
int max = 3;
bool visible = true;
while (max > 0)
{
int i = PublicRandom.Next(max);
while (answersPositioned[i])
{
i += (PublicRandom.Next(2) == 0 ? 1 : -1);
if (i >= answers.Length)
{
i -= answers.Length;
}
else if (i < 0)
{
i += answers.Length;
}
}
answersPositioned[i] = true;
Vector3 offset = new Vector3(i - 1, PublicRandom.Next(3, 5), zIncrement);
this.answers[i].Position = position + offset;
this.answers[i].Visible = visible;
visible = false;
zIncrement += PublicRandom.Next(3, 6);
max--;
}
}
/// <summary>
/// Atualiza a posição das respostas e muda o multiplicador do score caso o jogador tenha errado.
/// </summary>
private void UpdateScoreAndQuestion()
{
if (foundAnswer == 1)
{
AnswersGot++;
if (!questions[questions.Count - 1].Next())
{
ChangeCurrentQuestion();
AudioManager.GetCue("BB00" + PublicRandom.Next(6, 8)).Play();
}
else
{
questions[questions.Count - 1].Position = (new Vector3(0, 0, player.Position.Z + 5));
AudioManager.GetCue("BB00" + PublicRandom.Next(3, 6)).Play();
}
}
else
{
Answer answer = questions[questions.Count - 1].GetClosestAnswer();
if (!answer.IsBonus)
{
perfectScoreMultiplier = 1; //a partir do momento que o jogador errou uma questão, não ganha mais o dobro de pontos
MistakesMade++;
AudioManager.GetCue("wrong_answer_1").Play();
}
else
{
AudioManager.GetCue("decision17").Play();
}
questions[questions.Count - 1].MoveAnswer(answer);
}
foundAnswer = 0;
}
private static Question GenerateQuestion(int level, List <QuestionGameObject> existingQuestions, Question[][] questions)
{
Question q;
bool[] usedIndexes = new bool[questions[level].Length];
int testingIndex = PublicRandom.Next(questions[level].Length);
q = questions[level][testingIndex];
int tries = 0;
for (int i = 0; i < existingQuestions.Count && tries < 100; i++)
{
if (q.Header.Equals(existingQuestions[i].Header))
{
usedIndexes[testingIndex] = true;
i = 0;
while ((usedIndexes[testingIndex] || q.Equals(lastCreated)) && tries < 100)
{
testingIndex = PublicRandom.Next(questions[level].Length);
tries++;
}
q = questions[level][testingIndex];
}
}
lastCreated = q;
return(q);
}
private Texture2D GetRandomPropTexture(out float baseScale, double max = 1.0)
{
baseScale = 0;
Texture2D tex;
switch (GetRandomPropType(max))
{
case PropType.CACTUS:
tex = cactus[PublicRandom.Next(cactus.Length)];
baseScale = (float)PublicRandom.NextDouble(0.5);
break;
case PropType.GRASS:
tex = grass[PublicRandom.Next(grass.Length)];
baseScale = (float)PublicRandom.NextDouble(0.1, 0.4);
break;
case PropType.ROCK:
tex = rock[PublicRandom.Next(rock.Length)];
baseScale = (float)PublicRandom.NextDouble(0.1, 0.75);
break;
case PropType.TREE:
tex = tree[PublicRandom.Next(tree.Length)];
baseScale = (float)PublicRandom.NextDouble(0.5) + PublicRandom.Next(1, 3) + PublicRandom.Next(2);
break;
default:
tex = null;
break;
}
return(tex);
}
/// <summary>
/// Verifica se o jogador colidiu ou passou por alguma resposta.
/// </summary>
private void CheckAnswer()
{
if (MistakesMade < AllowedMistakes)
{
if (foundAnswer != 0)
{
UpdateScoreAndQuestion();
}
else if (!answeredAll)
{
QuestionGameObject question = questions[questions.Count - 1];
Answer a = question.GetClosestAnswer();
if (cam.ViewFrustum.Contains(a.BoundingBox) == ContainmentType.Disjoint && a.Z < player.Z)
{
if (question.CheckAnswer(a, true))
{
perfectScoreMultiplier = 1; //a partir do momento que o jogador errou uma questão, não ganha mais o dobro de pontos
MistakesMade++;
AudioManager.GetCue("miss_answer_" + (PublicRandom.Next(2) + 1)).Play();
}
question.MoveAnswer(a);
}
}
}
else if (!answeredAll)
{
answeredAll = true;
foreach (QuestionGameObject q in questions)
{
goManager.RemoveObject(q);
}
}
}
public static string CreatePTAnswer(Question q, int answerIndex, Answer[] otherAnswers, bool correct)
{
string answer;
string correctAnswer = q.GetAnswer(answerIndex);
if (correct)
{
answer = correctAnswer;
}
else
{
int attempts = 0;
bool alreadyInUse;
do
{
alreadyInUse = false;
answer = "";
int chance = 10;
do
{
answer += ((char)PublicRandom.Next((int)'A', (int)'Z')).ToString();
chance = (int)(chance * 1.5);
} while (answer.Length < correctAnswer.Length && PublicRandom.Next(100) > chance);
alreadyInUse = SearchAnswer(answer, otherAnswers);
attempts++;
} while (attempts < MAX_ATTEMPTS || answer.Equals(correctAnswer));
}
return(answer);
}
public static string CreateMathAnswer(Question q, int answerIndex, Answer[] otherAnswers, bool correct)
{
int min = 0;
int max = 100;
string answer;
string currentModifier = q.GetModifier(answerIndex);
string correctAnswer = q.GetAnswer(answerIndex);
int numericAnswer = 0;
if (Int32.TryParse(correctAnswer, out numericAnswer))
{
if (currentModifier.Equals((correct ? "<" : ">")))
{
max = Int32.Parse(correctAnswer);
min = max - 10;
}
else if (currentModifier.Equals((correct ? ">" : "<")))
{
min = Int32.Parse(correctAnswer) + 1;
max = min + 10;
}
else if (correct)
{
min = max = numericAnswer;
}
else
{
min = numericAnswer - 5;
max = min + 10;
}
if (min < 0)
{
min = 0;
}
int attempts = 0;
bool alreadyInUse;
do
{
answer = PublicRandom.Next(min, max).ToString();
alreadyInUse = false;
alreadyInUse = SearchAnswer(answer, otherAnswers);
attempts++;
} while ((attempts < MAX_ATTEMPTS && alreadyInUse) || (!correct && answer.Equals(correctAnswer)));
}
else
{
answer = CreatePTAnswer(q, answerIndex, otherAnswers, correct);
}
return(answer);
}
private Vector3 GetRandomPropPosition(int min = 0)
{
float x = (float)(PublicRandom.Next(300, 800)) / 100;
x *= PublicRandom.Next(2) == 0 ? 1 : -1;
float z = (float)PublicRandom.Next(min, rows * 100) / 100;
return(new Vector3(x, 0, z) + position);
}
private void LoadQuestions()
{
questions.Clear();
for (int i = 0; i < numberOfQuestions; i++)
{
questions.Add(QuestionFactory.CreateQuestion(level, subjects[PublicRandom.Next(subjects.Length)], goManager.R3D, goManager.CollidableGameObjects, questions));
}
goManager.AddObject(questions[questions.Count - 1]);
questionHeader.Text = questions[questions.Count - 1].Header;
ResetAnswersDisplay();
CreateAnswersSupports();
questions[questions.Count - 1].Player = player;
questions[questions.Count - 1].Position = new Vector3(0, 0f, 5);
}
private void PlayBGM()
{
if (bgm != null && !bgm.IsStopped)
{
if (!bgm.IsPlaying && !bgm.IsStopping)
{
bgm.Play();
}
if (bgm.IsPaused)
{
bgm.Resume();
}
}
else
{
ChangeBgm(bgmNames[PublicRandom.Next(3)]);
}
}
/// <summary>
/// Move uma resposta no eixo Z por um valor aleatório entre 3 e 5.
/// </summary>
/// <param name="a">A resposta a ser movida.</param>
public void MoveAnswer(Answer a)
{
float newZ = player.Position.Z + PublicRandom.Next(4, 7);
bool usableZ = false;
int tries = 0;
do
{
newZ += (float)PublicRandom.NextDouble(0.25);
foreach (Answer answer in answers)
{
usableZ = (answer.Position.Z >= newZ + minAnswerDistance || answer.Position.Z <= newZ - minAnswerDistance);
if (!usableZ)
{
break;
}
}
tries++;
} while (!usableZ && tries < 50);
a.Position = new Vector3(a.Position.X, PublicRandom.Next(3, 5), newZ);
a.Visible = false;
ChangeAnswer(a);
}