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Add a bunch more statistics.
Now I know why sphere culling was a loss: 78% of all tested target portals were trimmed by ClipToSeparators (50% eventually clipped away entirely).
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3 changed files with 36 additions and 1 deletions
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@ -110,6 +110,12 @@ typedef struct {
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int portaltest; ///< number of portals tested via separators
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int portalpass; ///< number of portals through which vis passes
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int portalcheck; ///< number of portal checks
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int targettested; ///< number of times target portal tested
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int targettrimmed; ///< number of times target portal trimmed
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int targetclipped; ///< number of times target portal clipped away
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int sourcetested; ///< number of times source portal tested
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int sourcetrimmed; ///< number of times source portal trimmed
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int sourceclipped; ///< number of times source portal clipped away
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int chains; ///< number of visits to clusters
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int mighttest; ///< amount mightsee is used for masked tests
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int vistest; ///< amount visbits is used for masked tests
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@ -355,17 +355,22 @@ RecursiveClusterFlow (int clusternum, threaddata_t *thread, pstack_t *prevstack)
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}
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thread->stats.portaltest++;
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thread->stats.targettested++;
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if (options.level > 0) {
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// clip target to the image that would be formed by a laser
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// pointing from the edges of source passing though the corners of
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// pass
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winding_t *old = target;
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target = ClipToSeparators (thread, &stack, source, prevstack->pass,
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target, 0);
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if (!target) {
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thread->stats.targetclipped++;
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FreeWinding (source);
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continue;
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}
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if (target != old)
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thread->stats.targettrimmed++;
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}
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if (options.level > 1) {
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@ -375,32 +380,45 @@ RecursiveClusterFlow (int clusternum, threaddata_t *thread, pstack_t *prevstack)
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// source shining past pass. eg, if source and pass are equilateral
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// triangles rotated 60 (or 180) degrees relative to each other,
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// parallel and in line, target will wind up being a hexagon.
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winding_t *old = target;
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target = ClipToSeparators (thread, &stack, prevstack->pass, source,
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target, 1);
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if (!target) {
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thread->stats.targetclipped++;
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FreeWinding (source);
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continue;
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}
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if (target != old)
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thread->stats.targettrimmed++;
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}
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thread->stats.sourcetested++;
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// now do the same as for levels 1 and 2, but trimming source using
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// the trimmed target
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if (options.level > 2) {
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winding_t *old = source;
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source = ClipToSeparators (thread, &stack, target, prevstack->pass,
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source, 2);
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if (!source) {
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thread->stats.sourceclipped++;
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FreeWinding (target);
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continue;
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}
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if (source != old)
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thread->stats.sourcetrimmed++;
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}
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if (options.level > 3) {
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winding_t *old = source;
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source = ClipToSeparators (thread, &stack, prevstack->pass, target,
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source, 3);
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if (!source) {
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thread->stats.sourceclipped++;
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FreeWinding (target);
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continue;
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}
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if (source != old)
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thread->stats.sourcetrimmed++;
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}
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stack.source = source;
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@ -306,6 +306,12 @@ PortalCompleted (threaddata_t *thread, portal_t *completed)
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stats.portaltest += thread->stats.portaltest;
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stats.portalpass += thread->stats.portalpass;
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stats.portalcheck += thread->stats.portalcheck;
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stats.targettested += thread->stats.targettested;
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stats.targettrimmed += thread->stats.targettrimmed;
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stats.targetclipped += thread->stats.targetclipped;
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stats.sourcetested += thread->stats.sourcetested;
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stats.sourcetrimmed += thread->stats.sourcetrimmed;
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stats.sourceclipped += thread->stats.sourceclipped;
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stats.chains += thread->stats.chains;
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stats.mighttest += thread->stats.mighttest;
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stats.vistest += thread->stats.vistest;
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@ -562,7 +568,12 @@ CalcPortalVis (void)
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if (options.verbosity > 0) {
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printf ("portalcheck: %i portaltest: %i portalpass: %i\n",
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stats.portalcheck, stats.portaltest, stats.portalpass);
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printf ("vistest: %i mighttest: %i mightseeupdate: %i\n", stats.vistest, stats.mighttest, stats.mightseeupdate);
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printf ("target trimmed: %d clipped: %d tested: %d\n",
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stats.targettrimmed, stats.targetclipped, stats.targettested);
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printf ("source trimmed: %d clipped: %d tested: %d\n",
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stats.sourcetrimmed, stats.sourceclipped, stats.sourcetested);
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printf ("vistest: %i mighttest: %i mightseeupdate: %i\n",
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stats.vistest, stats.mighttest, stats.mightseeupdate);
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}
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}
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