Point PatchMatcher::getNewOffset(bool *foundMask) const {
int minX, maxX, minY, maxY;
getBoundaries(*outputMask, &minX, &maxX, &minY, &maxY);
if (maxX < 0 || maxY < 0) {
*foundMask = false;
return Point(randRange(0, outputMask->width() - patch->width() + 1),
randRange(0, outputMask->height() - patch->height() + 1));
} else {
*foundMask = true;
Image<float> C;
// Compute allowed translations window
minX = max(0, minX - patch->width() + OVERLAP_WIDTH);
minY = max(0, minY - patch->height() + OVERLAP_WIDTH);
maxX = min(output->width() - 1, maxX + patch->width() - OVERLAP_WIDTH);
maxY = min(output->height() - 1, maxY + patch->height() - OVERLAP_WIDTH);
const Rect outputRect(minX, minY, maxX - minX + 1, maxY - minY + 1);
Mat patchF, outputF;
assert(patch->type() == CV_8UC3);
assert(output->type() == CV_8UC3);
patch->convertTo(patchF, CV_32FC3);
((Mat) *output)(outputRect).convertTo(outputF, CV_32FC3);
matchTemplate(outputF, patchF, C, TM_SQDIFF);
exp(C * factor, C);
// imshow("C", C.greyImage());
float acc, *data = (float *) C.data;
for (int i = 0; i < C.height() * C.width(); i++) {
acc += data[i];
data[i] = acc;
}
int a = 0, b = C.height() * C.width() - 1;
const float p = data[b] * (static_cast <float> (rand()) / static_cast <float> (RAND_MAX));
// Dichotomy search
while (b - a > 0) {
const int m = (a + b) / 2;
if (p > data[m])
a = m + 1;
else
b = m;
}
// Seems to work
// assert(p <= data[a] && (a == 0 || p > data[a-1]));
// assert(data[a] == C(a % C.width(), a / C.width()));
return Point(minX + a % C.width(), minY + a / C.width());
}
}
char* getPwd(int length)
{
static char buffer[MAXLENGTH]; /* Generated password string */
int endnum; /* Trailing digits */
int wordlength; /* Length of the alphabetical character string */
int vowflag = 0; /* Flag is zero if the previous member of the string was not a vowel*/
int i, cx = 0, index;
/* Generate the letters */
wordlength = length - 2; /*Since there are two trailing digits, the wordlength is the full length minus two */
for (i = 0; i < wordlength; i++) {
if (vowflag == 0 && i != (wordlength - 1)) {
index = randRange(10); /* Generates a random integer between 0 and 9 */
cx += snprintf (buffer + cx, length + 1 - cx, "%c", vowels[index]);
vowflag = 1;
}
else {
index = randRange(26);
cx += snprintf (buffer + cx, length + 1 - cx, "%c", consonants[index]);
vowflag = 0;
}
}
/* Generate the trailing digits */
endnum = randRange(90) + 10;
snprintf (buffer + cx, length + 1 - cx, "%d", endnum);
return buffer;
}
ciclista newCiclista(int id) {
ciclista c;
AUTOMALLOC(c);
c->id = id;
c->nome = geraNome(id);
c->km = -1;
c->metros = 1000;
c->trecho_atual = NULL;
c->kms_no_trecho = 0;
c->tempo_gasto_total = 0;
c->numero_trecho_atual = 0;
if(modo_simula) {
c->vel_descida = randRange(20.0, 80.0);
c->vel_plano = randRange(20.0, 80.0);
c->vel_subida = randRange(20.0, 80.0);
} else
c->vel_descida = c->vel_plano = c->vel_subida = 50.0;
c->ponto_verde = 0;
c->ponto_branco_vermelho = 0;
sem_init(&c->terminou_ciclo, 0, 0);
sem_init(&c->continua_ciclo, 0, 0);
return c;
}
static void show_stroke(SkCanvas* canvas, bool doAA, SkScalar strokeWidth, int n) {
SkRandom rand;
SkPaint paint;
paint.setAntiAlias(doAA);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(strokeWidth);
for (int i = 0; i < n; ++i) {
SkRect r;
SkPath p;
r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
rand.nextUScalar1() * W, rand.nextUScalar1() * H);
paint.setColor(rand.nextU());
canvas->drawRect(r, paint);
r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
rand.nextUScalar1() * W, rand.nextUScalar1() * H);
paint.setColor(rand.nextU());
p.addOval(r);
canvas->drawPath(p, paint);
const SkScalar minx = -SkIntToScalar(W)/4;
const SkScalar maxx = 5*SkIntToScalar(W)/4;
const SkScalar miny = -SkIntToScalar(H)/4;
const SkScalar maxy = 5*SkIntToScalar(H)/4;
paint.setColor(rand.nextU());
canvas->drawLine(randRange(rand, minx, maxx), randRange(rand, miny, maxy),
randRange(rand, minx, maxx), randRange(rand, miny, maxy),
paint);
}
}
/**
* Generar direcciones aleatorias
*/
void Model_Robot::genDirec() {
for (int i = 0; i < QUIT; i++) {
int s = randRange(-2, 2);
while (s == 0)
s = randRange(-2, 2);
this->direccion[i] = s;
}
}
void Rgame::resetMap(void)
{
newMap = new Rmap();
mapSpr = newMap->GetSprite();
while (mapSpr.GetPixel(hero.x, hero.y) == Color::Black)
{
hero.x = randRange(0, mapSpr.GetSize().x);
hero.y = randRange(0, mapSpr.GetSize().y);
}
}
// setup a move to a point. width and height is included for some variation
void MoveMouse(int x, int y, int width, int height)
{
if(!mouseMoving)
{
destX = x + randRange((width*-1)/2, width/2);
destY = y + randRange((height*-1)/2, height/2);
::SetTimer(NULL, NULL, randRange(5,30), MouseMoveUpdate);
mouseMoving = 1;
}
}
cv::Vec3d alex::ObjectBase::randomChooseRayByBRDFDistribution(const cv::Vec3d &normalVecN) const {
auto zAxis = normalVecN;
auto yAxis = getAVerticalNVec(normalVecN);
auto xAxis = yAxis.cross(zAxis);
double theta = randRange(0, M_PI / 2);
double phi = randRange(0, M_PI * 2);
auto direction = zAxis * sin(theta) + (yAxis * cos(phi) + xAxis * sin(phi)) * cos(theta);
return direction;
}
void AltTab(char *match)
{
FINDWINDOW findwin;
HWND alttabWnd;
ALTTABINFO atinfo;
char buf[1024] = {'\0'};
int i, current = 1, total=0;
static int failed = 0;
if(failed) return; // TODO TEMP debugging crap
atinfo.cbSize = sizeof(ALTTABINFO);
::keybd_event(VK_MENU, 0, KEYEVENTF_EXTENDEDKEY, 0);
::keybd_event(VK_TAB, 0, KEYEVENTF_EXTENDEDKEY, 0);
::keybd_event(VK_TAB, 0, KEYEVENTF_EXTENDEDKEY|KEYEVENTF_KEYUP, 0);
findwin.find("#32771", 0, 0);
alttabWnd = findwin.window;
if(alttabWnd)
{
::GetAltTabInfo(alttabWnd, 0, &atinfo, NULL, NULL);
for(i = 0; i < atinfo.cItems; i++)
{
::GetAltTabInfo(alttabWnd, i, &atinfo, buf, 1024);
if(strstr(buf, match) != NULL)
break;
}
while(current != i)
{
if(total++ > 50) // TODO temp ugly crap
{
Log("Alt tab failed for [%s]", match);
failed = 1;
break;
}
::keybd_event(VK_TAB, 0, KEYEVENTF_EXTENDEDKEY, 0);
::keybd_event(VK_TAB, 0, KEYEVENTF_EXTENDEDKEY|KEYEVENTF_KEYUP, 0);
if(current == (atinfo.cItems-1))
current = 0;
else
current++;
::Sleep(randRange(50,300));
}
}
::keybd_event(VK_MENU, 0, KEYEVENTF_EXTENDEDKEY|KEYEVENTF_KEYUP, 0);
::Sleep(randRange(50,300));
}
// do the Allele selection
int randAllele(int numMom, int numDad, float selection) {
if ((numMom == 0) && (numDad == 0)) {
return 0;
}
else if ((numMom == 1) && (numDad == 0)) {
return randInt(2);
}
else if ((numMom == 2) && (numDad == 0)) {
return 1;
}
else if ((numMom == 0) && (numDad == 1)) {
return randInt(2);
}
else if ((numMom == 1) && (numDad == 1)) {
float val = randRange(0,(3+selection));
if (val < 1.0) {
return 0;
}
else if (val < 3.0) {
return 1;
}
else {
return 2;
}
}
else if ((numMom == 2) && (numDad == 1)) {
float val = randRange(0,(1+selection));
if (val < 1.0) {
return 1;
}
else {
return 2;
}
}
else if ((numMom == 0) && (numDad == 2)) {
return 1;
}
else if ((numMom == 1) && (numDad == 2)) {
float val = randRange(0,(1+selection));
if (val < 1.0) {
return 1;
}
else {
return 2;
}
}
else if ((numMom == 2) && (numDad == 2)) {
return 2;
}
}
// UCB action selection strategy
action_t SearchNode::selectAction(Agent& agent, unsigned int dfr) {
//choose unexplored action at random if any and append to tree
if (!m_unexplored_actions.empty()) {
int action_index = randRange(m_unexplored_actions.size());
action_t action = m_unexplored_actions.at(action_index);
m_unexplored_actions.erase(m_unexplored_actions.begin() + action_index);
m_child[action] = new SearchNode(true, agent.numActions());
return action;
} else {
action_t arg_max = 0;
double C = sqrt(2);
double max = (1.0 / (dfr * agent.maxReward())) * m_child[0]->m_mean
+ C * sqrt((log(m_visits)/m_child[0]->m_visits));
//search for argmax
for (action_t a = 1; a < agent.numActions(); ++a) {
double f = (1.0 / (dfr * agent.maxReward())) * m_child[a]->m_mean
+ C * sqrt((log(m_visits)/m_child[a]->m_visits));
// Notes: agent.minReward() defined as 0, so omitted.
if (f > max) {
max = f;
arg_max = a;
}
}
return arg_max;
}
}
int* generateRandomArray(int size) {
int* result = (int *)malloc(sizeof(int)*size);
for(int i=0; i < size; i++) {
result[i] = randRange(size);
}
return result;
}
char aggressiveKid(short angle, float front, float side)
{
// Returns a char if buffer distance is broken.
// If buffer not broken, it returns 'w'
// after randomly moving a short distance
getIR(); // Reads sensors
if (lt <= side) // Checks left buffer
{
SPKR_play_beep(250, 250, 100); // Beep to indicate end
return 'l';
}
else if (rt <= side) // Checks right buffer
{
SPKR_play_beep(250, 250, 100); // Beep to indicate end
return 'r';
}
else if (ft <= front) // Checks front buffer
{
SPKR_play_beep(250, 250, 100); // Beep to indicate end
return 'f';
}
else
{
// Calculate very small random angle increment
if(angle==1)
{
int angle = 21-randRange(1,40);
rotateDeg(angle); // Rotates
}
forward(move); // Moves forward
return 'w';
}
}
int doSyncReads(int fd,int blockSize,s64 fileSize,int count) {
for(int i=0;i<count;i++) {
s64 offset=randRange(0,fileSize/blockSize)*blockSize;
checkError(pread(fd,bufferPool[0],blockSize,(off_t)offset));
}
return count;
}
static void test_blit_speed(void)
{
Uint32 clearColor = SDL_MapRGB(dest->format, 0, 0, 0);
Uint32 iterations = 0;
Uint32 elasped = 0;
Uint32 end = 0;
Uint32 now = 0;
Uint32 last = 0;
int testms = testSeconds * 1000;
int wmax = (dest->w - src->w);
int hmax = (dest->h - src->h);
int isScreen = (SDL_GetVideoSurface() == dest);
SDL_Event event;
printf("Testing blit speed for %d seconds...\n", testSeconds);
now = SDL_GetTicks();
end = now + testms;
do
{
/* pump the event queue occasionally to keep OS happy... */
if (now - last > 1000)
{
last = now;
while (SDL_PollEvent(&event)) { /* no-op. */ }
}
iterations++;
elasped += blit(dest, src, randRange(0, wmax), randRange(0, hmax));
if (isScreen)
{
SDL_Flip(dest); /* show it! */
SDL_FillRect(dest, NULL, clearColor); /* blank it for next time! */
}
now = SDL_GetTicks();
} while (now < end);
printf("Non-blitting crap accounted for %d percent of this run.\n",
percent(testms - elasped, testms));
printf("%d blits took %d ms (%d fps).\n",
(int) iterations,
(int) elasped,
(int) (((float)iterations) / (((float)elasped) / 1000.0f)));
}
void hvExplosionTemplate(Bullet *previous, Bullet *bullet, World *world, int n,
int max, int rand) {
bullet->x = (world->width / 2) + rand;
bullet->y = world->height / 4;
bullet->theta = wrapDegree(n * 10 + rand);
bullet->velocity = randRange(6, 20) / 9.50 + ((double) world->level.level / 80);
bullet->sFn = decreasingVelocity;
}
glm::vec3 Mth::randInsideSphere(float radius) {
float phi = randRange(0.0f, PI*2.0f);
float costheta = randUnit();
float u = rand01();
float theta = acos(costheta);
float r = radius * std::pow(u, 1.0f / 3.0f);
return glm::vec3(sin(theta)*cos(phi), sin(theta)*sin(phi), cos(theta))*r;
}
bool alex::ObjectBase::diffuse(const alex::Ray &inRay, const cv::Vec3d &intersection, const cv::Vec3d &normalVecN,
cv::Vec3d &color, alex::Ray &outRay) const {
auto zAxis = normalVecN;
auto yAxis = getAVerticalNVec(normalVecN);
auto xAxis = yAxis.cross(zAxis);
double cosTheta = randRange(0, 1);
auto theta = acos(cosTheta);
//double theta = randRange(0, M_PI / 2);
double phi = randRange(0, M_PI * 2);
auto direction = zAxis * sin(theta) + (yAxis * cos(phi) + xAxis * sin(phi)) * cos(theta);
outRay = Ray(intersection + normalVecN * alex::Epsilon, direction);
color = diffuseColor;
return true;
}
void JitterMoveEvent::setPositionLimits(const Vec4& posMin, const Vec4& posMax)
{
for(U i = 0; i < 3; i++)
{
m_newPos[i] = randRange(posMin[i], posMax[i]);
}
m_newPos[3] = 0.0;
m_newPos += m_originalPos;
}
void horizontalTemplate(Bullet *previous, Bullet *bullet, World *world, int n,
int max, int rand) {
bullet->x = round(
((double) world->width
/ (max >= world->width ? world->width / 2 : max)) * n);
bullet->y = randRange(2, 10);
bullet->theta = 0; // 0 degree does down
bullet->velocity =
(previous == NULL) ? randVelocity(world) : previous->velocity;
bullet->sFn = increasingVelocity;
}
// Returns a valid offset for the new patch to apply
Point RandomOffsetChooser::getNewOffset(bool *foundMask) const {
int minX, maxX, minY, maxY;
getBoundaries(*outputMask, &minX, &maxX, &minY, &maxY);
if (maxX < 0 || maxY < 0) {
*foundMask = false;
return Point(randRange(0, outputMask->width() - patch->width() + 1),
randRange(0, outputMask->height() - patch->height() + 1));
} else {
*foundMask = true;
int offX, offY;
do {
offX = randRange(max(0, minX - patch->width() + 1), min(maxX, outputMask->width() - patch->width() + 1));
offY = randRange(max(0, minY - patch->height() + 1), min(maxY, outputMask->height() - patch->height() + 1));
} while (!checkOffset(offX, offY));
return Point(offX, offY);
}
}
void initialisePickups(Pickup *_array)
{
const int WIDTH=800;
const int HEIGHT=600;
// Populate Pickup array with randomised positions/types
for(int i = 0; i < PICKUP_TOTAL; ++i)
{
// A hacky way of setting a 1/5 chance of creating a moving Pickup (knight)
_array[i].canTravel = !(randRange(0, 4));
if(_array[i].canTravel)
{
_array[i].pos.x = randRange(0, WIDTH - KNIGHT_SIZE);
_array[i].pos.y = randRange(0, HEIGHT - KNIGHT_SIZE);
_array[i].Anim.offset.x = 0;
_array[i].Anim.offset.y = getRandomMovement();
//Randomly choose a knight direction
}
else
{
_array[i].pos.x = randRange(0, WIDTH - PICKUP_SIZE);
_array[i].pos.y = randRange(0, HEIGHT - PICKUP_SIZE);
//Randomly choose a type of gem
_array[i].Anim.type = randRange(BLUE, CRYSTAL);
}
_array[i].isVisible = true;
}
}
static
int
randRange(const Uint32 odds[], Uint32 count){
Uint32 val = randRange((Uint32)0, 100);
Uint32 i = 0;
Uint32 sum = 0;
while(sum <= val && i < count){
sum += odds[i];
i++;
}
return i - 1;
}
void drawRock(point pos, unsigned short version, unsigned short size) {
point myRock[ROCK_VERTICIES]; int i = 0;
version %= ROCK_TYPES;
for(i = 0; i < ROCK_VERTICIES; i++) {
myRock[i] = makePoint(pos.x+size*rockShapes[version][i].x,
pos.y+size*rockShapes[version][i].y);
}
if(getSetting() >= 1) {
drawFilledPolygon(myRock, ROCK_VERTICIES, ROCK_SHADE);
} else {
drawPolygon(myRock, ROCK_VERTICIES, ROCK_SHADE+randRange(0,1));
}
}
char *inputString() {
static char s[MAX_INPUT_STRING];
char x[] = "reset";
size_t n = sizeof(x) / sizeof(x[0]);
size_t i;
int len = randRange(MIN_INPUT_STRING, MAX_INPUT_STRING);
for (i = 0; i < len; i++) {
s[i] = randChar(x, n);
}
return s;
}
void makeMats(){
FILE *fp;
int rowA;
int colArowB;
int colB;
int x, y;
srand(time(NULL));
rowA = randRange(MIN, MAX);
colArowB = randRange(MIN, MAX);
colB = randRange(MIN, MAX);
fp = fopen("./matA.txt", "w+");
fprintf(fp, "%d\n%d\n", rowA, colArowB);
for(x = 0; x < rowA; x++){
for(y = 0; y < colArowB; y++){
fprintf(fp, "%d", randRange(MIN, MAX));
if(y < colArowB - 1){
fprintf(fp, "%c", ' ');
}
}
fprintf(fp, "%c", '\n');
}
fclose(fp);
fp = fopen("./matB.txt", "w+");
fprintf(fp, "%d\n%d\n", colArowB, colB);
for(x = 0; x < colArowB; x++){
for(y = 0; y < colB; y++){
fprintf(fp, "%d", randRange(MIN, MAX));
if(y < colB - 1){
fprintf(fp, "%c", ' ');
}
}
fprintf(fp, "%c", '\n');
}
fclose(fp);
}
void deployBullet(World *world, BulletType type) {
if (world->counter < world->interval) {
world->counter++;
return;
} else {
world->counter = 0;
world->interval = randRange(0, (int) (50.0 / world->level.level));
}
if (world->level.ammo == 0) {
// ammo depleted
return;
}
int count = randRange(15, (int) world->width * (1.0 / 3.0));
if (world->level.ammo < count) {
count = world->level.ammo;
}
world->level.ammo -= count;
int i;
// gotta make space for our bullets :)
Bullet *bullet = malloc(sizeof(Bullet) * count);
int range = world->width / 2;
int randDelta = randRange(-range, range);
DeployTemplateFn templateFn = randomTemplate();
for (i = 0; i < count; i++) {
templateFn(i == 0 ? NULL : &bullet[i - 1], &bullet[i], world, i, count,
randDelta);
bullet[i].c = 'o';
bullet[i].life = 0;
bullet[i].recycled = false;
bullet[i].type = type;
appendList(&world->bullets, &bullet[i]);
}
}
void GameState::update()
{
//spawn enemies
spawnDelay += sfw::getDeltaTime();
if (spawnDelay > spawnRate)
{
spawnDelay = 0;
spawnRate *= .98f;
spawnEnemy(randRange(BOUNDS_LEFT, BOUNDS_RIGHT), BOUNDS_TOP);
}
//updating
player.update();
for (int i = 0; i < bullets.size(); ++i)
bullets[i].update();
for (int i = 0; i < enemies.size(); ++i)
enemies[i].update();
//Collision
//player v bullets/enemies
for (int i = 0; i < bullets.size(); ++i)
collides(player, bullets[i]);
for (int i = 0; i < enemies.size(); ++i)
collides(player, enemies[i]);
//bullet v enemies
for (int i = 0; i < enemies.size(); ++i)
for (int j = 0; j < bullets.size(); ++j)
collides(enemies[i], bullets[j]);
for (int i = 0; i < bullets.size(); ++i)
for (int j = 0; j < bullets.size(); ++j)
collides(bullets[i], bullets[j]);
if (appState == GAME)
{
if (!player.active)
{
std::fstream fout("scores.dat",std::ios_base::out | std::ios_base::app);
fout << score << std::endl;
fout.close();
appState = VICTORY;
}
if (sfw::getKey('P'))
appState = PAUSE;
}
}
//Object adding functions
void addRock(point rockPos, float dx, float dy, unsigned char rockSize) {
int i;
for(i = 0; i < MAX_ROCKS; i++) {
if(gRocks[i].status == DEAD) {
gRocks[i].x = rockPos.x;
gRocks[i].y = rockPos.y;
gRocks[i].dx = dx;
gRocks[i].dy = dy;
gRocks[i].status = ALIVE;
gRocks[i].rockType = randRange(0, ROCK_TYPES-1);
gRocks[i].rockSize = rockSize;
return;
}
}
}
void deployPlayerBullet(World *world) {
if (world->player.dep) {
world->player.dep = false;
} else {
return;
}
if (world->player.ammo > 0) {
world->player.ammo--;
} else {
return;
}
//locate(1, 4);
//printf("ACTUAL %d ammo:%ld\n", 6, world->level.ammo);
int count = randRange(3, (int) world->width * (1.0 / 3.0));
if (world->level.ammo < count) {
count = world->level.ammo;
}
world->level.ammo -= count;
int i;
Bullet *bullet = malloc(sizeof(Bullet) * count);
int range = world->width / 2;
int randDelta = randRange(-range, range);
for (i = 0; i < count; i++) {
playerCircleTemplate(i == 0 ? NULL : &bullet[i - 1], &bullet[i], world,
i, count, randDelta);
bullet[i].c = 'o';
bullet[i].life = 0;
bullet[i].recycled = false;
bullet[i].type = PLAYER_AMMO;
appendList(&world->bullets, &bullet[i]);
}
}
