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-rw-r--r--engines/titanic/star_control/camera_auto_mover.cpp28
-rw-r--r--engines/titanic/star_control/camera_auto_mover.h9
-rw-r--r--engines/titanic/star_control/fmatrix.cpp2
-rw-r--r--engines/titanic/star_control/fvector.cpp4
-rw-r--r--engines/titanic/star_control/fvector.h13
-rw-r--r--engines/titanic/star_control/marked_auto_mover.cpp30
-rw-r--r--engines/titanic/star_control/star_camera.cpp50
-rw-r--r--engines/titanic/star_control/star_camera.h6
-rw-r--r--engines/titanic/star_control/star_view.cpp12
-rw-r--r--engines/titanic/star_control/unmarked_auto_mover.cpp4
-rw-r--r--engines/titanic/star_control/viewport.cpp6
11 files changed, 93 insertions, 71 deletions
diff --git a/engines/titanic/star_control/camera_auto_mover.cpp b/engines/titanic/star_control/camera_auto_mover.cpp
index bcb94d27c2..aa29fa0e8e 100644
--- a/engines/titanic/star_control/camera_auto_mover.cpp
+++ b/engines/titanic/star_control/camera_auto_mover.cpp
@@ -50,10 +50,7 @@ void CCameraAutoMover::proc2(const FVector &oldPos, const FVector &newPos,
_destPos = newPos;
_posDelta = _destPos - _srcPos;
float temp = 0.0;
- if (!_posDelta.normalize(temp)) { // Do the normalization, put the scale amount in temp,
- // but if it is unsuccessful, crash
- assert(temp);
- }
+ _posDelta.normalize(temp); // Do the normalization, put the scale amount in temp
_distance = temp;
_active = false;
_field34 = false;
@@ -92,24 +89,25 @@ void CCameraAutoMover::setPath(const FVector &srcV, const FVector &destV, const
_transitionPercent = 1.0;
}
-void CCameraAutoMover::proc6(int val1, int val2, float val) {
+void CCameraAutoMover::calcSpeeds(int val1, int val2, float distance) {
+ // Usually val1 and val2 are small where as distance can be large
_field44 = val1;
- _field4C = val1 + 62;
- _field38 = val / (double)(val1 + val2 * 2);
- _field40 = 31;
- _field48 = 31;
+ _field4C = val1 + 2 * nMoverTransitions; // For _nMoverTransitions = 32 this second value was 64,
+ // should it always be x2 _nMoverTransitions?
+ _field38 = distance / (double)(val1 + val2 * 2);
+ _field40 = nMoverTransitions-1;
+ _field48 = nMoverTransitions-1;
_field3C = (double)val2 * _field38;
// Calculate the speeds for a graduated movement between stars
- double base = 0.0, total = 0.0;
- _speeds.resize(32);
- for (int idx = 31; idx >= 0; --idx) {
- _speeds[idx] = pow(base, 4.0);
+ double base = 0.0, total = 0.0, power = 4.0, baseInc = 0.03125;
+ for (int idx = nMoverTransitions - 1; idx >= 0; --idx) {
+ _speeds[idx] = pow(base, power);
total += _speeds[idx];
- base += 0.03125;
+ base += baseInc;
}
- for (int idx = 0; idx < 32; ++idx) {
+ for (int idx = 0; idx < nMoverTransitions; ++idx) {
_speeds[idx] = _speeds[idx] * _field3C / total;
}
}
diff --git a/engines/titanic/star_control/camera_auto_mover.h b/engines/titanic/star_control/camera_auto_mover.h
index dc9cf6df45..210bd74091 100644
--- a/engines/titanic/star_control/camera_auto_mover.h
+++ b/engines/titanic/star_control/camera_auto_mover.h
@@ -31,6 +31,7 @@ namespace Titanic {
class CErrorCode;
class FMatrix;
+const int nMoverTransitions = 32; // The number of vector transitions when doing a mover change is fixed
/**
* Base class for automatic movement of the starview camera
@@ -49,7 +50,7 @@ protected:
int _field44;
int _field48;
int _field4C;
- Common::Array<double> _speeds;
+ double _speeds[nMoverTransitions];
int _field54;
double _transitionPercent;
double _transitionPercentInc;
@@ -63,7 +64,11 @@ public:
virtual void proc3(const FMatrix &srcOrient, const FMatrix &destOrient);
virtual void setPath(const FVector &srcV, const FVector &destV, const FMatrix &orientation);
virtual int proc5(CErrorCode &errorCode, FVector &pos, FMatrix &orientation) { return 2; }
- virtual void proc6(int val1, int val2, float val);
+ /**
+ * Given a distance to cover, determines a bunch of speeds for a gradual transition
+ * from one position to another (the mover). The speeds go from fast to slow
+ */
+ virtual void calcSpeeds(int val1, int val2, float distance);
bool isActive() const { return _active; }
};
diff --git a/engines/titanic/star_control/fmatrix.cpp b/engines/titanic/star_control/fmatrix.cpp
index 470569c88d..e633db5dd0 100644
--- a/engines/titanic/star_control/fmatrix.cpp
+++ b/engines/titanic/star_control/fmatrix.cpp
@@ -124,7 +124,7 @@ void FMatrix::set(const DVector &row1, const DVector &row2, const DVector &row3)
void FMatrix::set(const FVector &v) {
_row3 = v;
- _row2 = _row3.fn1();
+ _row2 = _row3.swapComponents();
_row1 = _row3.crossProduct(_row2);
diff --git a/engines/titanic/star_control/fvector.cpp b/engines/titanic/star_control/fvector.cpp
index 75d30748d2..142d9ea3c0 100644
--- a/engines/titanic/star_control/fvector.cpp
+++ b/engines/titanic/star_control/fvector.cpp
@@ -31,7 +31,7 @@ namespace Titanic {
FVector::FVector(const DVector &src) : _x(src._x), _y(src._y), _z(src._z) {
}
-FVector FVector::fn1() const {
+FVector FVector::swapComponents() const {
return FVector(
(ABS(_x - _y) < 0.00001 && ABS(_y - _z) < 0.00001 &&
ABS(_x - _z) < 0.00001) ? -_y : _y,
@@ -78,7 +78,7 @@ float FVector::getDistance(const FVector &src) const {
return sqrt(xd * xd + yd * yd + zd * zd);
}
-FVector FVector::fn5(const FPose &pose) const {
+FVector FVector::MatProdRowVect(const FPose &pose) const {
FVector v;
v._x = pose._row2._x * _y + pose._row3._x * _z + pose._row1._x * _x + pose._vector._x;
v._y = pose._row2._y * _y + pose._row3._y * _z + pose._row1._y * _x + pose._vector._y;
diff --git a/engines/titanic/star_control/fvector.h b/engines/titanic/star_control/fvector.h
index f93ac60c26..ed5789ac7e 100644
--- a/engines/titanic/star_control/fvector.h
+++ b/engines/titanic/star_control/fvector.h
@@ -51,7 +51,12 @@ public:
_x = _y = _z = 0.0;
}
- FVector fn1() const;
+ /**
+ * Returns a vector with all components of this vector circularlly rotated up 1.
+ * this x being _y, this y being _z, and this z being _x. A sign change may also
+ * be done on x/_y based on some conditions.
+ */
+ FVector swapComponents() const;
/**
* Calculates the cross-product between this matrix and a passed one
@@ -80,7 +85,11 @@ public:
*/
float getDistance(const FVector &src) const;
- FVector fn5(const FPose &pose) const;
+ /**
+ * Returns a vector that is this vector on the left as a row vector
+ * times the 3x4 affine matrix on the right.
+ */
+ FVector MatProdRowVect(const FPose &pose) const;
/**
* Returns true if the passed vector equals this one
diff --git a/engines/titanic/star_control/marked_auto_mover.cpp b/engines/titanic/star_control/marked_auto_mover.cpp
index e3ab2b4f20..0a1a7e4d49 100644
--- a/engines/titanic/star_control/marked_auto_mover.cpp
+++ b/engines/titanic/star_control/marked_auto_mover.cpp
@@ -32,24 +32,22 @@ void CMarkedAutoMover::proc2(const FVector &oldPos, const FVector &newPos,
CCameraAutoMover::proc2(oldPos, newPos, oldOrientation, newOrientation);
double distance = _distance;
- if (distance > 0.0) {
+ _active = true;
+ _field34 = true;
+ calcSpeeds(120, 4, distance);
+
+
+ _orientationChanger.load(oldOrientation, newOrientation);
+ _transitionPercent = 0.0;
+
+ if (_field4C == 0) {
+ _transitionPercentInc = 0.1;
+ _active = true;
+ } else {
+ _transitionPercentInc = 1.0 / _field4C;
_active = true;
- _field34 = true;
- proc6(120, 4, distance);
}
- if (newPos != oldPos) {
- _orientationChanger.load(oldOrientation, newOrientation);
- _transitionPercent = 0.0;
-
- if (_field4C == 0) {
- _transitionPercentInc = 0.1;
- _active = true;
- } else {
- _transitionPercentInc = 1.0 / _field4C;
- _active = true;
- }
- }
}
int CMarkedAutoMover::proc5(CErrorCode &errorCode, FVector &pos, FMatrix &orientation) {
@@ -76,7 +74,7 @@ int CMarkedAutoMover::proc5(CErrorCode &errorCode, FVector &pos, FMatrix &orient
errorCode.set();
return 1;
} else if (_field48 >= 0) {
- double speedVal = _speeds[31 - _field48];
+ double speedVal = _speeds[nMoverTransitions - 1 - _field48];
pos += _posDelta * speedVal;
getVectorOnPath(pos);
diff --git a/engines/titanic/star_control/star_camera.cpp b/engines/titanic/star_control/star_camera.cpp
index f1bf24b90e..68427a3452 100644
--- a/engines/titanic/star_control/star_camera.cpp
+++ b/engines/titanic/star_control/star_camera.cpp
@@ -269,10 +269,10 @@ void CStarCamera::setViewportAngle(const FPoint &angles) {
tempV5 -= row1;
tempV6 -= row1;
- tempV1 = tempV1.fn5(pose);
- tempV4 = tempV4.fn5(pose);
- tempV5 = tempV5.fn5(pose);
- tempV6 = tempV6.fn5(pose);
+ tempV1 = tempV1.MatProdRowVect(pose);
+ tempV4 = tempV4.MatProdRowVect(pose);
+ tempV5 = tempV5.MatProdRowVect(pose);
+ tempV6 = tempV6.MatProdRowVect(pose);
tempV4 -= tempV1;
tempV5 -= tempV1;
@@ -450,9 +450,9 @@ void CStarCamera::deleteHandler() {
}
}
-void CStarCamera::lockMarker1(FVector v1, FVector v2, FVector v3) {
+bool CStarCamera::lockMarker1(FVector v1, FVector v2, FVector v3) {
if (_starLockState != ZERO_LOCKED)
- return;
+ return true;
FVector tempV;
double val1, val2, val3, val4, val5;
@@ -487,11 +487,12 @@ void CStarCamera::lockMarker1(FVector v1, FVector v2, FVector v3) {
CStarVector *sv = new CStarVector(this, v2);
_mover->setVector(sv);
+ return true;
}
-void CStarCamera::lockMarker2(CViewport *viewport, const FVector &v) {
+bool CStarCamera::lockMarker2(CViewport *viewport, const FVector &v) {
if (_starLockState != ONE_LOCKED)
- return;
+ return true;
DAffine m2(X_AXIS, _matrix._row1);
DVector tempV1 = v - _matrix._row1;
@@ -567,7 +568,7 @@ void CStarCamera::lockMarker2(CViewport *viewport, const FVector &v) {
m4._col2 -= m4._col1;
m4._col4 -= m4._col1;
- FMatrix m6 = _viewport.getOrientation();
+
double unusedScale=0.0;
if (!m4._col2.normalize(unusedScale) ||
@@ -581,32 +582,39 @@ void CStarCamera::lockMarker2(CViewport *viewport, const FVector &v) {
m5.set(m4._col3, m4._col2, m4._col4);
FVector newPos = m4._col1;
-
- if (_viewport._position != newPos) {
- // Only change view if positions are different
+ FMatrix m6 = _viewport.getOrientation();
+
+ if (minDistance > 1.0e8) {
+ // The transition will do poorly in this case.
+ //removeLockedStar(); // undo locking 2nd star
+ _mover->proc8(_viewport._position, _viewport._position, m6, m6);
+ //CStarVector *sv = new CStarVector(this, v);
+ //_mover->setVector(sv);
+ return false;
+ }
+ else {
_mover->proc8(_viewport._position, newPos, m6, m5);
+ CStarVector *sv = new CStarVector(this, v);
+ _mover->setVector(sv);
+
}
-
- CStarVector *sv = new CStarVector(this, v);
- _mover->setVector(sv);
+ return true;
}
-void CStarCamera::lockMarker3(CViewport *viewport, const FVector &v) {
+bool CStarCamera::lockMarker3(CViewport *viewport, const FVector &v) {
if (_starLockState != TWO_LOCKED)
- return;
+ return true;
FMatrix newOr = viewport->getOrientation();
FMatrix oldOr = _viewport.getOrientation();
FVector newPos = viewport->_position;
FVector oldPos = _viewport._position;
- if (oldPos != newPos) {
- // Only change view if positions are different
- _mover->proc8(oldPos, newPos, oldOr, newOr);
- }
+ _mover->proc8(oldPos, newPos, oldOr, newOr);
CStarVector *sv = new CStarVector(this, v);
_mover->setVector(sv);
+ return true;
}
} // End of namespace Titanic
diff --git a/engines/titanic/star_control/star_camera.h b/engines/titanic/star_control/star_camera.h
index 2d4ce57699..572995fc1b 100644
--- a/engines/titanic/star_control/star_camera.h
+++ b/engines/titanic/star_control/star_camera.h
@@ -207,17 +207,17 @@ public:
/**
* Lock in the first matched star marker
*/
- void lockMarker1(FVector v1, FVector v2, FVector v3);
+ bool lockMarker1(FVector v1, FVector v2, FVector v3);
/**
* Lock in the second matched star marker
*/
- void lockMarker2(CViewport *viewport, const FVector &v);
+ bool lockMarker2(CViewport *viewport, const FVector &v);
/**
* Lock in the third and final matched star marker
*/
- void lockMarker3(CViewport *viewport, const FVector &v);
+ bool lockMarker3(CViewport *viewport, const FVector &v);
};
} // End of namespace Titanic
diff --git a/engines/titanic/star_control/star_view.cpp b/engines/titanic/star_control/star_view.cpp
index 578cc00898..ec972d12b5 100644
--- a/engines/titanic/star_control/star_view.cpp
+++ b/engines/titanic/star_control/star_view.cpp
@@ -397,6 +397,7 @@ void CStarView::lockStar() {
CSurfaceArea surfaceArea(_videoSurface);
FVector v1, v2, v3;
double val = _starField->fn5(&surfaceArea, &_camera, v1, v2, v3);
+ bool lockSuccess = false;
if (val > -1.0) {
v1 -= surfaceArea._centroid;
@@ -405,19 +406,22 @@ void CStarView::lockStar() {
switch (_starField->getMatchedIndex()) {
case -1:
// First star match
- _camera.lockMarker1(v1, v2, v3);
+ lockSuccess = _camera.lockMarker1(v1, v2, v3);
+ assert(lockSuccess); // lockMarker1 should always succeed
_starField->incMatches();
break;
case 0:
// Second star match
- _camera.lockMarker2(&_photoViewport, v2);
- _starField->incMatches();
+ lockSuccess = _camera.lockMarker2(&_photoViewport, v2);
+ if (lockSuccess) // lockMarker2 may have issues
+ _starField->incMatches();
break;
case 1:
// Third star match
- _camera.lockMarker3(&_photoViewport, v2);
+ lockSuccess = _camera.lockMarker3(&_photoViewport, v2);
+ assert(lockSuccess); // lockMarker3 should always succeed
_starField->incMatches();
break;
diff --git a/engines/titanic/star_control/unmarked_auto_mover.cpp b/engines/titanic/star_control/unmarked_auto_mover.cpp
index 71063fa615..424e143b58 100644
--- a/engines/titanic/star_control/unmarked_auto_mover.cpp
+++ b/engines/titanic/star_control/unmarked_auto_mover.cpp
@@ -42,7 +42,7 @@ void CUnmarkedAutoMover::setPath(const FVector &srcV, const FVector &destV, cons
if (_distance > 8000.0) {
_active = true;
_field34 = 1;
- proc6(120, 4, _distance - 8000.0);
+ calcSpeeds(120, 4, _distance - 8000.0);
}
FVector row3 = orientation._row3;
@@ -148,7 +148,7 @@ int CUnmarkedAutoMover::proc5(CErrorCode &errorCode, FVector &pos, FMatrix &orie
}
if (_field48 >= 0) {
- double speedVal = _speeds[31 - _field48];
+ double speedVal = _speeds[nMoverTransitions - 1 - _field48];
v1._y = v2._y * speedVal;
v1._z = v2._z * speedVal;
v1._x = v2._x * speedVal;
diff --git a/engines/titanic/star_control/viewport.cpp b/engines/titanic/star_control/viewport.cpp
index 130d59d8d6..529b4bec3a 100644
--- a/engines/titanic/star_control/viewport.cpp
+++ b/engines/titanic/star_control/viewport.cpp
@@ -107,7 +107,7 @@ void CViewport::setPosition(const FVector &v) {
}
void CViewport::setPosition(const FPose &pose) {
- _position = _position.fn5(pose);
+ _position = _position.MatProdRowVect(pose);
_flag = false;
}
@@ -215,7 +215,7 @@ FVector CViewport::fn16(int index, const FVector &src) {
FVector CViewport::fn17(int index, const FVector &src) {
FVector dest;
FPose pose = getPose();
- FVector tv = src.fn5(pose);
+ FVector tv = src.MatProdRowVect(pose);
dest._x = (_valArray[index] + tv._x)
* _centerVector._x / (_centerVector._y * tv._z);
@@ -227,7 +227,7 @@ FVector CViewport::fn17(int index, const FVector &src) {
FVector CViewport::fn18(int index, const FVector &src) {
FVector dest;
FPose pose = getRawPose();
- FVector tv = src.fn5(pose);
+ FVector tv = src.MatProdRowVect(pose);
dest._x = (_valArray[index] + tv._x)
* _centerVector._x / (_centerVector._y * tv._z);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-14 05:23:18 +0000