122 lines
3 KiB
Text
122 lines
3 KiB
Text
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object direction_marker {
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void destroy();
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void Create( float index, string entityDef, vector position, vector direction );
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void Fade( float sec, float duration, float start, float end );
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void Remove();
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void Update( float sec );
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entity marker;
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vector markerOrigin;
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vector markerNormal;
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float arrowJoint;
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float bobStartSec;
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// fade
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float fadeStartSec;
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float fadeDurationSec;
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float fadeStart;
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float fadeEnd;
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};
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void direction_marker::destroy() {
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Remove();
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}
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void direction_marker::Create( float index, string entityDef, vector position, vector direction ) {
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float fraction = sys.tracePoint( position, position + ( vec3_down * MAX_WORLD_SIZE ), CONTENTS_SOLID | CONTENTS_OPAQUE | CONTENTS_WATER, $null_entity );
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if ( fraction == 1.0f ) {
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return;
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}
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bobStartSec = index * 0.025f;
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fadeStartSec = 0.0f;
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fadeDurationSec = 0.0f;
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fadeStart = 1.0f;
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fadeEnd = 1.0f;
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marker = sys.spawnClient( entityDef );
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marker.playCycle( ANIMCHANNEL_ALL, "locking" );
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arrowJoint = marker.getJointHandle( "arrow" );
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markerOrigin = sys.getTraceEndPos();
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markerNormal = sys.getTraceNormal();
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markerOrigin = markerOrigin + markerNormal * 4.0f;
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marker.setOrigin( markerOrigin );
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vector right = sys.crossProduct( markerNormal, direction );
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right = sys.vecNormalize( right );
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vector forward = sys.crossProduct( markerNormal, right );
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forward = sys.vecNormalize( forward );
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marker.setWorldAxis( forward, right, markerNormal );
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}
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void direction_marker::Fade( float sec, float duration, float start, float end ) {
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if ( marker == $null_entity ) {
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return;
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}
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fadeStartSec = sec;
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fadeDurationSec = duration;
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fadeStart = start;
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fadeEnd = end;
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}
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void direction_marker::Remove() {
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if ( marker != $null_entity ) {
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marker.remove();
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marker = $null_entity;
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}
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}
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void direction_marker::Update( float sec ) {
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if ( marker == $null_entity ) {
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return;
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}
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// fading
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float fade;
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if ( sec < fadeStartSec ) {
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fade = fadeStart;
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} else if ( sec > fadeStartSec + fadeDurationSec ) {
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fade = fadeEnd;
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} else if ( fadeDurationSec > 0.0f ) {
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fade = fadeStart + ( ( ( sec - fadeStartSec ) / fadeDurationSec ) * ( fadeEnd - fadeStart ) );
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} else {
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fade = fadeStart;
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}
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marker.setShaderParms( fade, fade, fade, 1.0f );
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// bobbing
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float secInCycle = sys.fmod( sec, 0.6f ); // was 1.0f
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float bobDuration = 0.3f;//0.2f;
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if ( secInCycle < bobStartSec ) {
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// not starting bob yet
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return;
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} else if ( secInCycle > bobStartSec + bobDuration ) {
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// finished bob
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return;
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}
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// in bob
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float secInBob = secInCycle - bobStartSec;
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float fractionInBob = secInBob / bobDuration;
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float verticalBobFraction = ( -0.5f * sys.cos( fractionInBob * 360.0f ) ) + 0.5f;
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//vector offset = verticalBobFraction * markerNormal * 36.0f;
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vector offset = verticalBobFraction * vec3_up * 36.0f;
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//marker.setOrigin( markerOrigin + offset );
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marker.setJointPos( arrowJoint, JOINTMOD_LOCAL, offset );
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}
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