Function DrawVisEffect

Descent3/viseffect.cpp:1804–2011

Renders a vis effect

// Renders a vis effect
void DrawVisEffect(vis_effect *vis) {
  ASSERT(vis->type != VIS_NONE);

  // First check to see if these are special types

  if (vis->id == LIGHTNING_BOLT_INDEX || vis->id == GRAY_LIGHTNING_BOLT_INDEX) {
    DrawVisLightningBolt(vis);
    return;
  } else if (vis->id == MASSDRIVER_EFFECT_INDEX) {
    DrawVisMassDriverEffect(vis, false);
    return;
  } else if (vis->id == MERCBOSS_MASSDRIVER_EFFECT_INDEX) {
    DrawVisMassDriverEffect(vis, true);
    return;
  } else if (vis->id == BILLBOARD_SMOKETRAIL_INDEX) {
    DrawVisBillboardSmoketrail(vis);
    return;
  } else if (vis->id == THICK_LIGHTNING_INDEX) {
    DrawVisThickLightning(vis);
    return;
  } else if (vis->id == SINE_WAVE_INDEX) {
    DrawVisSineWave(vis);
    return;
  } else if (vis->id == BLAST_RING_INDEX) {
    DrawVisBlastRing(vis);
    return;
  } else if (vis->id == FADING_LINE_INDEX) {
    DrawVisFadingLine(vis);
    return;
  } else if (vis->id == SNOWFLAKE_INDEX) {
    DrawVisSnowflake(vis);
    return;
  } else if (vis->id == RAINDROP_INDEX || vis->id == PUDDLEDROP_INDEX) {
    DrawVisRainDrop(vis);
    return;
  } else if (vis->id == AXIS_BILLBOARD_INDEX) {
    DrawVisAxisBillboard(vis);
    return;
  }

  float norm_time;
  float time_live = Gametime - vis->creation_time;

  // This hack is needed for the demo system and Gamegauge, since it adjusts gametime during
  // the game there are times when this could be a negative number (which would be bad)
  if (time_live < 0)
    time_live = 0;

  float size = vis->size;

  // Bigger explosions for Katmai
  if (Katmai) {
    if (vis->id == BIG_EXPLOSION_INDEX || vis->id == MED_EXPLOSION_INDEX || vis->id == MED_EXPLOSION_INDEX2 ||
        vis->id == MED_EXPLOSION_INDEX3)
      size *= 1.8f;
  }

  int visnum = vis - VisEffects;