update session save schema for Mystery Encounters (#52)

Co-authored-by: ImperialSympathizer <imperialsympathizer@gmail.com>

defs/savedata.go

@@ -115,6 +115,8 @@ type SessionSaveData struct {
 	GameVersion              string                   `json:"gameVersion"`
 	Timestamp                int                      `json:"timestamp"`
 	Challenges               []ChallengeData          `json:"challenges"`
+	MysteryEncounterType     MysteryEncounterType     `json:"mysteryEncounterType"`
+	MysteryEncounterSaveData MysteryEncounterSaveData `json:"mysteryEncounterSaveData"`
 }
 
 type ChallengeData struct {
@@ -123,6 +125,28 @@ type ChallengeData struct {
 	Severity int `json:"severity"`
 }
 
+type MysteryEncounterType int
+
+type MysteryEncounterTier int
+
+type SeenEncounterData struct {
+	Type           MysteryEncounterType `json:"type"`
+	Tier           MysteryEncounterTier `json:"tier"`
+	WaveIndex      int                  `json:"waveIndex"`
+	SelectedOption int                  `json:"selectedOption"`
+}
+
+type QueuedEncounter struct {
+	Type         MysteryEncounterType `json:"type"`
+	SpawnPercent int                  `json:"spawnPercent"`
+}
+
+type MysteryEncounterSaveData struct {
+	EncounteredEvents    []SeenEncounterData `json:"encounteredEvents"`
+	EncounterSpawnChance int                 `json:"encounterSpawnChance"`
+	QueuedEncounters     []QueuedEncounter   `json:"queuedEncounters"`
+}
+
 type GameMode int
 
 type PokemonData interface{}