From e06e452445bdd3d61f393bde4206cd848a54444b Mon Sep 17 00:00:00 2001
From: Justin Berger <j.david.berger@gmail.com>
Date: Sun, 8 Apr 2018 22:51:57 -0600
Subject: Created common base for optimizer based posers

---
 src/poser_general_optimizer.c | 100 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 src/poser_general_optimizer.c

(limited to 'src/poser_general_optimizer.c')

diff --git a/src/poser_general_optimizer.c b/src/poser_general_optimizer.c
new file mode 100644
index 0000000..313e378
--- /dev/null
+++ b/src/poser_general_optimizer.c
@@ -0,0 +1,100 @@
+#include "poser_general_optimizer.h"
+#include "string.h"
+#include <alloca.h>
+#include <assert.h>
+#include <stdio.h>
+
+void *GetDriver(const char *name);
+void general_optimizer_data_init(GeneralOptimizerData *d, SurviveObject *so) {
+	memset(d, 0, sizeof(*d));
+	d->so = so;
+
+	SurviveContext *ctx = so->ctx;
+
+	d->failures_to_reset = survive_configi(ctx, "failures-to-reset", SC_GET, 1);
+	d->successes_to_reset = survive_configi(ctx, "successes-to-reset", SC_GET, -1);
+	d->max_error = survive_configf(ctx, "max-error", SC_GET, .0001);
+
+	const char *subposer = survive_configs(ctx, "seed-poser", SC_GET, "PoserEPNP");
+	d->seed_poser = (PoserCB)GetDriver(subposer);
+
+	SV_INFO("Initializing general optimizer:");
+	SV_INFO("\tmax-error: %f", d->max_error);
+	SV_INFO("\tsuccesses-to-reset: %d", d->successes_to_reset);
+	SV_INFO("\tfailures-to-reset: %d", d->failures_to_reset);
+	SV_INFO("\tseed-poser: %s(%p)", subposer, d->seed_poser);
+}
+void general_optimizer_data_record_failure(GeneralOptimizerData *d) {
+	if (d->failures_to_reset_cntr > 0)
+		d->failures_to_reset_cntr--;
+}
+bool general_optimizer_data_record_success(GeneralOptimizerData *d, FLT error) {
+	d->stats.runs++;
+	if (d->max_error > error) {
+		if (d->successes_to_reset_cntr > 0)
+			d->successes_to_reset_cntr--;
+		d->failures_to_reset_cntr = d->failures_to_reset;
+		return true;
+	}
+	return false;
+}
+
+typedef struct {
+	bool hasInfo;
+	SurvivePose pose;
+} set_position_t;
+
+static void set_position(SurviveObject *so, uint32_t timecode, SurvivePose *new_pose, void *_user) {
+	set_position_t *user = _user;
+	assert(user->hasInfo == false);
+	user->hasInfo = true;
+	user->pose = *new_pose;
+}
+
+bool general_optimizer_data_record_current_pose(GeneralOptimizerData *d, PoserData *_hdr, size_t len_hdr,
+												SurvivePose *soLocation) {
+	*soLocation = d->so->OutPose;
+	bool currentPositionValid = quatmagnitude(soLocation->Rot) != 0;
+	static bool seed_warning = false;
+	if (d->successes_to_reset_cntr == 0 || d->failures_to_reset_cntr == 0 || currentPositionValid == 0) {
+		PoserCB driver = d->seed_poser;
+		SurviveContext *ctx = d->so->ctx;
+		if (driver) {
+
+			PoserData *hdr = alloca(len_hdr);
+			memcpy(hdr, _hdr, len_hdr);
+			memset(hdr, 0, sizeof(PoserData)); // Clear callback functions
+			hdr->pt = _hdr->pt;
+			hdr->poseproc = set_position;
+
+			set_position_t locations = {0};
+			hdr->userdata = &locations;
+			driver(d->so, hdr);
+			d->stats.poser_seed_runs++;
+
+			if (locations.hasInfo == false) {
+				return false;
+			} else if (locations.hasInfo) {
+				*soLocation = locations.pose;
+			}
+
+			d->successes_to_reset_cntr = d->successes_to_reset;
+		} else if (seed_warning == false) {
+			seed_warning = true;
+			SV_INFO("Not using a seed poser for SBA; results will likely be way off");
+		}
+	}
+	return true;
+}
+
+void general_optimizer_data_record_imu(GeneralOptimizerData *d, PoserDataIMU *imu) {
+	if (d->seed_poser) {
+		d->seed_poser(d->so, &imu->hdr);
+	}
+}
+
+void general_optimizer_data_dtor(GeneralOptimizerData *d) {
+	SurviveContext *ctx = d->so->ctx;
+	SV_INFO("\tseed runs %d / %d", d->stats.poser_seed_runs, d->stats.runs);
+	SV_INFO("\terror failures %d", d->stats.error_failures);
+}
-- 
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