void ScummEngine_v7::setCameraAt(int pos_x, int pos_y) {
Common::Point old;
old = camera._cur;
camera._cur.x = pos_x;
camera._cur.y = pos_y;
clampCameraPos(&camera._cur);
camera._dest = camera._cur;
VAR(VAR_CAMERA_DEST_X) = camera._dest.x;
VAR(VAR_CAMERA_DEST_Y) = camera._dest.y;
assert(camera._cur.x >= (_screenWidth / 2) && camera._cur.y >= (_screenHeight / 2));
if (camera._cur.x != old.x || camera._cur.y != old.y) {
if (VAR(VAR_SCROLL_SCRIPT)) {
VAR(VAR_CAMERA_POS_X) = camera._cur.x;
VAR(VAR_CAMERA_POS_Y) = camera._cur.y;
runScript(VAR(VAR_SCROLL_SCRIPT), 0, 0, 0);
}
// Even though cameraMoved() is called automatically, we may
// need to know at once that the camera has moved, or text may
// be printed at the wrong coordinates. See bugs #795938 and
// #929242
cameraMoved();
}
}
void Z3DTrackballInteractionHandler::rollEvent(QMouseEvent *e, int w, int h)
{
if (e->type() == QEvent::MouseButtonPress) {
setState(ROLL);
mousePressEvent(e, w, h);
} else if (e->type() == QEvent::MouseButtonRelease) {
mouseReleaseEvent(e, w, h);
} else if (e->type() == QEvent::MouseMove) {
mouseMoveEvent(e, w, h);
emit cameraMoved();
}
}
void Z3DTrackballInteractionHandler::keyRollEvent(QKeyEvent *e, int, int)
{
bool accepted = false;
if (e->key() == Qt::Key_Left) {
m_camera->roll(m_keyPressAngle);
accepted = true;
} else if (e->key() == Qt::Key_Right) {
m_camera->roll(-m_keyPressAngle);
accepted = true;
}
if (accepted) {
e->accept();
emit cameraMoved();
}
}
void Z3DTrackballInteractionHandler::keyDollyEvent(QKeyEvent *e, int, int)
{
bool accepted = false;
float factor = m_mouseMotionFactor * 0.1f * m_mouseWheelMotionFactor;
if (e->key() == Qt::Key_Up || e->key() == Qt::Key_Equal) {
m_camera->dolly(std::pow(1.1f, factor));
accepted = true;
}
else if (e->key() == Qt::Key_Down || e->key() == Qt::Key_Minus) {
m_camera->dolly(std::pow(1.1f, -factor));
accepted = true;
}
if (accepted) {
e->accept();
emit cameraMoved();
}
}
void Z3DTrackballInteractionHandler::keyRotateEvent(QKeyEvent *e, int, int)
{
bool accepted = false;
if (e->key() == Qt::Key_Left) {
m_camera->rotate(m_keyPressAngle, m_camera->vectorEyeToWorld(glm::vec3(0.f, 1.f, 0.f)));
accepted = true;
} else if (e->key() == Qt::Key_Right) {
m_camera->rotate(-m_keyPressAngle, m_camera->vectorEyeToWorld(glm::vec3(0.f, 1.f, 0.f)));
accepted = true;
} else if (e->key() == Qt::Key_Up) {
m_camera->rotate(-m_keyPressAngle, m_camera->vectorEyeToWorld(glm::vec3(1.f, 0.f, 0.f)));
accepted = true;
} else if (e->key() == Qt::Key_Down) {
m_camera->rotate(m_keyPressAngle, m_camera->vectorEyeToWorld(glm::vec3(1.f, 0.f, 0.f)));
accepted = true;
}
if (accepted) {
e->accept();
emit cameraMoved();
}
}
void Z3DTrackballInteractionHandler::keyShiftEvent(QKeyEvent *e, int w, int h)
{
bool accepted = false;
glm::ivec2 center(w/2, h/2);
if (e->key() == Qt::Key_Left) {
shift(center, center + glm::ivec2(-m_keyPressDistance, 0), w, h);
accepted = true;
} else if (e->key() == Qt::Key_Right) {
shift(center, center + glm::ivec2(m_keyPressDistance, 0), w, h);
accepted = true;
} else if (e->key() == Qt::Key_Up) {
shift(center, center + glm::ivec2(0, m_keyPressDistance), w, h);
accepted = true;
} else if (e->key() == Qt::Key_Down) {
shift(center, center + glm::ivec2(0, -m_keyPressDistance), w, h);
accepted = true;
}
if (accepted) {
e->accept();
emit cameraMoved();
}
}
void ScummEngine_v7::moveCamera() {
Common::Point old = camera._cur;
Actor *a = NULL;
if (camera._follows) {
a = derefActor(camera._follows, "moveCamera");
if (ABS(camera._cur.x - a->_pos.x) > VAR(VAR_CAMERA_THRESHOLD_X) ||
ABS(camera._cur.y - a->_pos.y) > VAR(VAR_CAMERA_THRESHOLD_Y)) {
camera._movingToActor = true;
if (VAR(VAR_CAMERA_THRESHOLD_X) == 0)
camera._cur.x = a->_pos.x;
if (VAR(VAR_CAMERA_THRESHOLD_Y) == 0)
camera._cur.y = a->_pos.y;
clampCameraPos(&camera._cur);
}
} else {
camera._movingToActor = false;
}
if (camera._movingToActor) {
VAR(VAR_CAMERA_DEST_X) = camera._dest.x = a->_pos.x;
VAR(VAR_CAMERA_DEST_Y) = camera._dest.y = a->_pos.y;
}
assert(camera._cur.x >= (_screenWidth / 2) && camera._cur.y >= (_screenHeight / 2));
clampCameraPos(&camera._dest);
if (camera._cur.x < camera._dest.x) {
camera._cur.x += (short) VAR(VAR_CAMERA_SPEED_X);
if (camera._cur.x > camera._dest.x)
camera._cur.x = camera._dest.x;
}
if (camera._cur.x > camera._dest.x) {
camera._cur.x -= (short) VAR(VAR_CAMERA_SPEED_X);
if (camera._cur.x < camera._dest.x)
camera._cur.x = camera._dest.x;
}
if (camera._cur.y < camera._dest.y) {
camera._cur.y += (short) VAR(VAR_CAMERA_SPEED_Y);
if (camera._cur.y > camera._dest.y)
camera._cur.y = camera._dest.y;
}
if (camera._cur.y > camera._dest.y) {
camera._cur.y -= (short) VAR(VAR_CAMERA_SPEED_Y);
if (camera._cur.y < camera._dest.y)
camera._cur.y = camera._dest.y;
}
if (camera._cur.x == camera._dest.x && camera._cur.y == camera._dest.y) {
camera._movingToActor = false;
camera._accel.x = camera._accel.y = 0;
VAR(VAR_CAMERA_SPEED_X) = VAR(VAR_CAMERA_SPEED_Y) = 0;
} else {
camera._accel.x += (short) VAR(VAR_CAMERA_ACCEL_X);
camera._accel.y += (short) VAR(VAR_CAMERA_ACCEL_Y);
VAR(VAR_CAMERA_SPEED_X) += camera._accel.x / 100;
VAR(VAR_CAMERA_SPEED_Y) += camera._accel.y / 100;
if (VAR(VAR_CAMERA_SPEED_X) < 8)
VAR(VAR_CAMERA_SPEED_X) = 8;
if (VAR(VAR_CAMERA_SPEED_Y) < 8)
VAR(VAR_CAMERA_SPEED_Y) = 8;
}
cameraMoved();
if (camera._cur.x != old.x || camera._cur.y != old.y) {
VAR(VAR_CAMERA_POS_X) = camera._cur.x;
VAR(VAR_CAMERA_POS_Y) = camera._cur.y;
if (VAR(VAR_SCROLL_SCRIPT))
runScript(VAR(VAR_SCROLL_SCRIPT), 0, 0, 0);
}
}
void ScummEngine::moveCamera() {
int pos = camera._cur.x;
int actorx, t;
Actor *a = NULL;
camera._cur.x &= 0xFFF8;
if (VAR_CAMERA_MIN_X != 0xFF && camera._cur.x < VAR(VAR_CAMERA_MIN_X)) {
if (VAR_CAMERA_FAST_X != 0xFF && VAR(VAR_CAMERA_FAST_X))
camera._cur.x = (short) VAR(VAR_CAMERA_MIN_X);
else
camera._cur.x += 8;
cameraMoved();
return;
}
if (VAR_CAMERA_MAX_X != 0xFF && camera._cur.x > VAR(VAR_CAMERA_MAX_X)) {
if (VAR_CAMERA_FAST_X != 0xFF && VAR(VAR_CAMERA_FAST_X))
camera._cur.x = (short) VAR(VAR_CAMERA_MAX_X);
else
camera._cur.x -= 8;
cameraMoved();
return;
}
if (camera._mode == kFollowActorCameraMode) {
a = derefActor(camera._follows, "moveCamera");
actorx = a->_pos.x;
t = actorx / 8 - _screenStartStrip;
if (t < camera._leftTrigger || t > camera._rightTrigger) {
if (VAR_CAMERA_FAST_X != 0xFF && VAR(VAR_CAMERA_FAST_X)) {
if (t > 35)
camera._dest.x = actorx + 80;
if (t < 5)
camera._dest.x = actorx - 80;
} else
camera._movingToActor = true;
}
}
if (camera._movingToActor) {
a = derefActor(camera._follows, "moveCamera(2)");
camera._dest.x = a->_pos.x;
}
if (VAR_CAMERA_MIN_X != 0xFF && camera._dest.x < VAR(VAR_CAMERA_MIN_X))
camera._dest.x = (short) VAR(VAR_CAMERA_MIN_X);
if (VAR_CAMERA_MAX_X != 0xFF && camera._dest.x > VAR(VAR_CAMERA_MAX_X))
camera._dest.x = (short) VAR(VAR_CAMERA_MAX_X);
if (VAR_CAMERA_FAST_X != 0xFF && VAR(VAR_CAMERA_FAST_X)) {
camera._cur.x = camera._dest.x;
} else {
if (camera._cur.x < camera._dest.x)
camera._cur.x += 8;
if (camera._cur.x > camera._dest.x)
camera._cur.x -= 8;
}
/* a is set a bit above */
if (camera._movingToActor && (camera._cur.x / 8) == (a->_pos.x / 8)) {
camera._movingToActor = false;
}
cameraMoved();
if (VAR_SCROLL_SCRIPT != 0xFF && VAR(VAR_SCROLL_SCRIPT) && pos != camera._cur.x) {
VAR(VAR_CAMERA_POS_X) = camera._cur.x;
runScript(VAR(VAR_SCROLL_SCRIPT), 0, 0, 0);
}
}
void Z3DTrackballInteractionHandler::rollEvent(QWheelEvent *e, int w, int h)
{
setState(ROLL);
wheelEvent(e, w, h);
emit cameraMoved();
}
