double simulatedAnnealing(char *key, char *ciphertext, char *plaintext, int messageLen) {
int count, iter;
float annealStep;
char newKey[26], oldKey[26];
double prob, delta, maxScore, score, bestScore;
// Copy over key so we don't screw up our master copy. Decipher ciphertext using key and score it
strcpy(oldKey,key);
decipher(oldKey, ciphertext, plaintext, messageLen);
maxScore = scoreText(plaintext,messageLen);
bestScore = maxScore;
iter = 0;
// For each step, find our best key
for (annealStep = ANNEALING_TEMP; annealStep >= 0; annealStep -= ANNEALING_STEP_SIZE) {
for (count = 0; count < MAX_ITERATIONS; count++) {
strcpy(newKey, oldKey);
alterKey(newKey);
decipher(newKey, ciphertext, plaintext, messageLen);
score = scoreText(plaintext, messageLen);
// our difference between our current maxScore and step score
delta = score - maxScore;
// We did work in the positive direction (hopefully...)
if (delta >= 0) {
maxScore = score;
strcpy(oldKey, newKey);
} else if (annealStep > 0) {
// the work we did is a side-grade
prob = exp(delta / annealStep);
if (prob > 1.0 * rand() / RAND_MAX) {
maxScore = score;
strcpy(oldKey, newKey);
}
}
// This is our best score so far
if (maxScore > bestScore){
bestScore = maxScore;
strcpy(key, oldKey);
outputStats(iter, bestScore, key);
}
iter++;
}
}
return bestScore;
}
void
GameState::printScore()
{
SDL_Color color = { 255, 255, 255, 255 };
std::string scoreText("Score: " + std::to_string(score_));
SDL_Rect destination;
destination.x = 20;
destination.y = 20;
renderText(color,destination,scoreText);
}
void OrganismCellWorld::render(float alpha, sf::RenderTarget& renderTarget)
{
CellWorld<OrganismCell>::render(alpha, renderTarget);
sf::Sprite posCursorSpr(posCursorTex);
sf::Sprite negCursorSpr(negCursorTex);
posCursorSpr.setOrigin(3.f, 3.f);
negCursorSpr.setOrigin(3.f, 3.f);
posCursorSpr.setPosition(
floor(posCursor.x),
floor(posCursor.y));
negCursorSpr.setPosition(
floor(negCursor.x),
floor(negCursor.y));
renderTarget.draw(posCursorSpr);
renderTarget.draw(negCursorSpr);
sf::Sprite foodHighSpr(foodHighTex);
sf::Sprite foodLowSpr(foodLowTex);
foodHighSpr.setOrigin(3.f, 3.f);
foodLowSpr.setOrigin(3.f, 3.f);
for (auto& foodObj : food)
{
if (foodObj.ticksLeft > FOOD_TICKS / 2)
{
foodHighSpr.setPosition(static_cast<sf::Vector2f>(foodObj.getPos()));
renderTarget.draw(foodHighSpr);
}
else
{
foodLowSpr.setPosition(static_cast<sf::Vector2f>(foodObj.getPos()));
renderTarget.draw(foodLowSpr);
}
}
sf::Sprite vortSpr(vortexTex);
vortSpr.setOrigin(3.f, 3.f);
for (auto& vortObj : vortices)
{
vortSpr.setPosition(static_cast<sf::Vector2f>(vortObj.getPos()));
renderTarget.draw(vortSpr);
}
bool gameOver = (score >= scoreMax) || aliveCount < 200;
if (!gameOver)
{
sf::Text scoreText(std::to_string(score) + "/" + std::to_string(scoreMax) + " EATEN", scoreFont);
scoreText.setCharacterSize(8);
scoreText.setPosition(1.f, -2.f);
renderTarget.draw(scoreText);
}
else
{
sf::Text winText;
winText.setFont(scoreFont);
winText.setCharacterSize(8);
if (score >= scoreMax)
{
winText.setString("CANCER WINS!");
}
else
{
winText.setString("ANTI-CANCER WINS!");
}
winText.setOrigin(floor(winText.getLocalBounds().width * 0.5f), floor(winText.getLocalBounds().height * 0.5f));
winText.setPosition(width * 0.5f, height * 0.5f);
renderTarget.draw(winText);
}
}