Wizz at 18:00, 2 November 2007

2007-11-02T18:00:12Z

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object [[ScriptClass:direction_marker|direction_marker]] {
void destroy();

void Create( float index, string entityDef, vector position, vector direction );
void Fade( float sec, float duration, float start, float end );
void Remove();
void Update( float sec );

entity marker;
vector markerOrigin;
vector markerNormal;

float arrowJoint;

float bobStartSec;

// fade
float fadeStartSec;
float fadeDurationSec;
float fadeStart;
float fadeEnd;
};

void [[ScriptClass:direction_marker|direction_marker]]::destroy() {
Remove();
}

void [[ScriptClass:direction_marker|direction_marker]]::Create( float index, string entityDef, vector position, vector direction ) {
float fraction = sys.[[ScriptEvent:tracePoint|tracePoint]]( position, position + ( vec3_down * MAX_WORLD_SIZE ), CONTENTS_SOLID | CONTENTS_OPAQUE | CONTENTS_WATER, $null_entity );

if ( fraction == 1.0f ) {
return;
}

bobStartSec = index * 0.025f;

fadeStartSec = 0.0f;
fadeDurationSec = 0.0f;
fadeStart = 1.0f;
fadeEnd = 1.0f;

marker = sys.[[ScriptEvent:spawnClient|spawnClient]]( entityDef );
marker.[[ScriptEvent:playCycle|playCycle]]( ANIMCHANNEL_ALL, "locking" );

arrowJoint = marker.[[ScriptEvent:getJointHandle|getJointHandle]]( "arrow" );

markerOrigin = sys.[[ScriptEvent:getTraceEndPos|getTraceEndPos]]();
markerNormal = sys.[[ScriptEvent:getTraceNormal|getTraceNormal]]();

markerOrigin = markerOrigin + markerNormal * 4.0f;

marker.[[ScriptEvent:setOrigin|setOrigin]]( markerOrigin );

vector right = sys.[[ScriptEvent:crossProduct|crossProduct]]( markerNormal, direction );
right = sys.[[ScriptEvent:vecNormalize|vecNormalize]]( right );
vector forward = sys.[[ScriptEvent:crossProduct|crossProduct]]( markerNormal, right );
forward = sys.[[ScriptEvent:vecNormalize|vecNormalize]]( forward );

marker.[[ScriptEvent:setWorldAxis|setWorldAxis]]( forward, right, markerNormal );
}

void [[ScriptClass:direction_marker|direction_marker]]::Fade( float sec, float duration, float start, float end ) {
if ( marker == $null_entity ) {
return;
}

fadeStartSec = sec;
fadeDurationSec = duration;
fadeStart = start;
fadeEnd = end;
}

void [[ScriptClass:direction_marker|direction_marker]]::Remove() {
if ( marker != $null_entity ) {
marker.[[ScriptEvent:remove|remove]]();
marker = $null_entity;
}
}

void [[ScriptClass:direction_marker|direction_marker]]::Update( float sec ) {
if ( marker == $null_entity ) {
return;
}

// fading
float fade;
if ( sec < fadeStartSec ) {
fade = fadeStart;
} else if ( sec > fadeStartSec + fadeDurationSec ) {
fade = fadeEnd;
} else if ( fadeDurationSec > 0.0f ) {
fade = fadeStart + ( ( ( sec - fadeStartSec ) / fadeDurationSec ) * ( fadeEnd - fadeStart ) );
} else {
fade = fadeStart;
}
marker.[[ScriptEvent:setShaderParms|setShaderParms]]( fade, fade, fade, 1.0f );

// bobbing
float secInCycle = sys.[[ScriptEvent:fmod|fmod]]( sec, 0.6f ); // was 1.0f
float bobDuration = 0.3f;//0.2f;

if ( secInCycle < bobStartSec ) {
// not starting bob yet
return;
} else if ( secInCycle > bobStartSec + bobDuration ) {
// finished bob
return;
}

// in bob
float secInBob = secInCycle - bobStartSec;
float fractionInBob = secInBob / bobDuration;
float verticalBobFraction = ( -0.5f * sys.[[ScriptEvent:cos|cos]]( fractionInBob * 360.0f ) ) + 0.5f;

//vector offset = verticalBobFraction * markerNormal * 36.0f;
vector offset = verticalBobFraction * vec3_up * 36.0f;

//marker.setOrigin( markerOrigin + offset );
marker.[[ScriptEvent:setJointPos|setJointPos]]( arrowJoint, JOINTMOD_LOCAL, offset );
}

Script:Files:script/misc/direction marker.script - Revision history

Wizz at 18:00, 2 November 2007