#include <simgear/math/sg_random.h>
#include "animation.hxx"
-#include "flash.hxx"
+#include "custtrans.hxx"
#include "personality.hxx"
\f
: _branch(branch)
{
_branch->setName(props->getStringValue("name", 0));
+ if ( props->getBoolValue( "enable-hot", true ) ) {
+ _branch->setTraversalMaskBits( SSGTRAV_HOT );
+ } else {
+ _branch->clrTraversalMaskBits( SSGTRAV_HOT );
+ }
}
SGAnimation::~SGAnimation ()
rNode->getDoubleValue( "max", 1.0 ) );
}
}
+}
+
+SGTimedAnimation::~SGTimedAnimation ()
+{
+}
+
+void
+SGTimedAnimation::init()
+{
if ( !_use_personality ) {
- for ( size_t i = 0; i < _branch_duration_specs.size(); i++ ) {
- DurationSpec &sp = _branch_duration_specs[ i ];
- double v = sp._min + sg_random() * ( sp._max - sp._min );
+ for ( size_t i = 0; i < getBranch()->getNumKids(); i++ ) {
+ double v;
+ if ( i < _branch_duration_specs.size() ) {
+ DurationSpec &sp = _branch_duration_specs[ i ];
+ v = sp._min + sg_random() * ( sp._max - sp._min );
+ } else {
+ v = _duration_sec;
+ }
_branch_duration_sec.push_back( v );
_total_duration_sec += v;
}
+ // Sanity check : total duration shouldn't equal zero
+ if ( _total_duration_sec < 0.01 ) {
+ _total_duration_sec = 0.01;
+ }
}
((ssgSelector *)getBranch())->selectStep(_step);
}
-SGTimedAnimation::~SGTimedAnimation ()
-{
-}
-
int
SGTimedAnimation::update()
{
SGPersonalityBranch *key = current_object;
if ( !key->getIntValue( this, INIT ) ) {
double total = 0;
+ double offset = 1.0;
for ( size_t i = 0; i < _branch_duration_specs.size(); i++ ) {
DurationSpec &sp = _branch_duration_specs[ i ];
double v = sp._min + sg_random() * ( sp._max - sp._min );
key->setDoubleValue( v, this, BRANCH_DURATION_SEC, i );
+ if ( i == 0 )
+ offset = v;
total += v;
}
- key->setDoubleValue( sim_time_sec, this, LAST_TIME_SEC );
+ // Sanity check : total duration shouldn't equal zero
+ if ( total < 0.01 ) {
+ total = 0.01;
+ }
+ offset *= sg_random();
+ key->setDoubleValue( sim_time_sec - offset, this, LAST_TIME_SEC );
key->setDoubleValue( total, this, TOTAL_DURATION_SEC );
key->setIntValue( 0, this, STEP );
key->setIntValue( 1, this, INIT );
// Implementation of SGFlashAnimation
////////////////////////////////////////////////////////////////////////
SGFlashAnimation::SGFlashAnimation(SGPropertyNode_ptr props)
- : SGAnimation( props, new SGFlash )
+ : SGAnimation( props, new SGCustomTransform )
{
- sgVec3 axis;
- axis[0] = props->getFloatValue("axis/x", 0);
- axis[1] = props->getFloatValue("axis/y", 0);
- axis[2] = props->getFloatValue("axis/z", 1);
- ((SGFlash *)_branch)->setAxis( axis );
-
- sgVec3 center;
- center[0] = props->getFloatValue("center/x-m", 0);
- center[1] = props->getFloatValue("center/y-m", 0);
- center[2] = props->getFloatValue("center/z-m", 0);
- ((SGFlash *)_branch)->setCenter( center );
-
- float offset = props->getFloatValue("offset", 0.0);
- float factor = props->getFloatValue("factor", 1.0);
- float power = props->getFloatValue("power", 1.0);
- bool two_sides = props->getBoolValue("two-sides", false);
- ((SGFlash *)_branch)->setParameters( power, factor, offset, two_sides );
-
- float v_min = props->getFloatValue("min", 0.0);
- float v_max = props->getFloatValue("max", 1.0);
- ((SGFlash *)_branch)->setClampValues( v_min, v_max );
+ _axis[0] = props->getFloatValue("axis/x", 0);
+ _axis[1] = props->getFloatValue("axis/y", 0);
+ _axis[2] = props->getFloatValue("axis/z", 1);
+
+ _center[0] = props->getFloatValue("center/x-m", 0);
+ _center[1] = props->getFloatValue("center/y-m", 0);
+ _center[2] = props->getFloatValue("center/z-m", 0);
+
+ _offset = props->getFloatValue("offset", 0.0);
+ _factor = props->getFloatValue("factor", 1.0);
+ _power = props->getFloatValue("power", 1.0);
+ _two_sides = props->getBoolValue("two-sides", false);
+
+ _min_v = props->getFloatValue("min", 0.0);
+ _max_v = props->getFloatValue("max", 1.0);
+
+ ((SGCustomTransform *)_branch)->setTransCallback( &SGFlashAnimation::flashCallback, this );
}
SGFlashAnimation::~SGFlashAnimation()
{
}
+void SGFlashAnimation::flashCallback( sgMat4 r, sgFrustum *f, sgMat4 m, void *d )
+{
+ ((SGFlashAnimation *)d)->flashCallback( r, f, m );
+}
+
+void SGFlashAnimation::flashCallback( sgMat4 r, sgFrustum *f, sgMat4 m )
+{
+ sgVec3 transformed_axis;
+ sgXformVec3( transformed_axis, _axis, m );
+ sgNormalizeVec3( transformed_axis );
+
+ sgVec3 view;
+ sgFullXformPnt3( view, _center, m );
+ sgNormalizeVec3( view );
+
+ float cos_angle = -sgScalarProductVec3( transformed_axis, view );
+ float scale_factor = 0.f;
+ if ( _two_sides && cos_angle < 0 )
+ scale_factor = _factor * (float)pow( -cos_angle, _power ) + _offset;
+ else if ( cos_angle > 0 )
+ scale_factor = _factor * (float)pow( cos_angle, _power ) + _offset;
+
+ if ( scale_factor < _min_v )
+ scale_factor = _min_v;
+ if ( scale_factor > _max_v )
+ scale_factor = _max_v;
+
+ sgMat4 transform;
+ sgMakeIdentMat4( transform );
+ transform[0][0] = scale_factor;
+ transform[1][1] = scale_factor;
+ transform[2][2] = scale_factor;
+ transform[3][0] = _center[0] * ( 1 - scale_factor );
+ transform[3][1] = _center[1] * ( 1 - scale_factor );
+ transform[3][2] = _center[2] * ( 1 - scale_factor );
+
+ sgCopyMat4( r, m );
+ sgPreMultMat4( r, transform );
+}
+
+
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of SGDistScaleAnimation
+////////////////////////////////////////////////////////////////////////
+SGDistScaleAnimation::SGDistScaleAnimation(SGPropertyNode_ptr props)
+ : SGAnimation( props, new SGCustomTransform ),
+ _factor(props->getFloatValue("factor", 1.0)),
+ _offset(props->getFloatValue("offset", 0.0)),
+ _min_v(props->getFloatValue("min", 0.0)),
+ _max_v(props->getFloatValue("max", 1.0)),
+ _has_min(props->hasValue("min")),
+ _has_max(props->hasValue("max")),
+ _table(read_interpolation_table(props))
+{
+ _center[0] = props->getFloatValue("center/x-m", 0);
+ _center[1] = props->getFloatValue("center/y-m", 0);
+ _center[2] = props->getFloatValue("center/z-m", 0);
+
+ ((SGCustomTransform *)_branch)->setTransCallback( &SGDistScaleAnimation::distScaleCallback, this );
+}
+
+SGDistScaleAnimation::~SGDistScaleAnimation()
+{
+}
+
+void SGDistScaleAnimation::distScaleCallback( sgMat4 r, sgFrustum *f, sgMat4 m, void *d )
+{
+ ((SGDistScaleAnimation *)d)->distScaleCallback( r, f, m );
+}
+
+void SGDistScaleAnimation::distScaleCallback( sgMat4 r, sgFrustum *f, sgMat4 m )
+{
+ sgVec3 view;
+ sgFullXformPnt3( view, _center, m );
+
+ float scale_factor = sgLengthVec3( view );
+ if (_table == 0) {
+ scale_factor = _factor * scale_factor + _offset;
+ if ( _has_min && scale_factor < _min_v )
+ scale_factor = _min_v;
+ if ( _has_max && scale_factor > _max_v )
+ scale_factor = _max_v;
+ } else {
+ scale_factor = _table->interpolate( scale_factor );
+ }
+
+ sgMat4 transform;
+ sgMakeIdentMat4( transform );
+ transform[0][0] = scale_factor;
+ transform[1][1] = scale_factor;
+ transform[2][2] = scale_factor;
+ transform[3][0] = _center[0] * ( 1 - scale_factor );
+ transform[3][1] = _center[1] * ( 1 - scale_factor );
+ transform[3][2] = _center[2] * ( 1 - scale_factor );
+
+ sgCopyMat4( r, m );
+ sgPreMultMat4( r, transform );
+}
+
// end of animation.cxx