feat: support controller's cache

internal/game/turn/turn.go

@@ -1,14 +1,13 @@
 package turn
 
 import (
-	"fmt"
-
 	"github.com/iliadenisov/galaxy/internal/controller"
 	e "github.com/iliadenisov/galaxy/internal/error"
+	"github.com/iliadenisov/galaxy/internal/game/battle"
 	"github.com/iliadenisov/galaxy/internal/model/game"
 )
 
-func MakeTurn(r controller.Repo, g *game.Game) error {
+func MakeTurn(c *controller.Controller, r controller.Repo, g *game.Game) error {
 	// Next turn
 	g.Age += 1
 
@@ -16,7 +15,7 @@ func MakeTurn(r controller.Repo, g *game.Game) error {
 	game.JoinEqualGroups(g)
 
 	// 02. Враждующие корабли вступают в схватку.
-	battles := game.ProduceBattles(g)
+	battles := battle.ProduceBattles(c.Cache)
 
 	// Internal control: after battles there are can't be groups with no ships left
 	for i := range g.ShipGroups {
@@ -25,52 +24,24 @@ func MakeTurn(r controller.Repo, g *game.Game) error {
 		}
 	}
 
-	// Last step: storing battles
+	/*** Last steps ***/
+
+	// Store battles
 	if len(battles) > 0 {
 		for i := range battles {
-			br := TransformBattle(g, battles[i])
+			// TODO: add In_Battle / Out_Battle participants?
+			br := TransformBattle(c.Cache, battles[i])
 			if err := r.SaveBattle(g.Age, br); err != nil {
 				return err
 			}
 		}
 	}
+	// Remove killed ship groups
+	c.Cache.DeleteKilledShipGroups()
+
+	// TODO: Store game state
+
+	// TODO: Store individual reports
+
 	return nil
 }
-
-func TransformBattle(g *game.Game, b *game.Battle) *game.BattleReport {
-	p, ok := game.PlanetByNum(g, b.Planet)
-	if !ok {
-		panic(fmt.Sprintf("TransformBattle: no planet with number #%d", b.Planet))
-	}
-	r := &game.BattleReport{
-		ID:         b.ID,
-		Planet:     b.Planet,
-		PlanetName: p.Name,
-		Races:      make(map[int]string),
-		Ships:      make(map[int]string),
-		Protocol:   make([]game.BattleActionReport, len(b.Protocol)),
-	}
-
-	cacheShipClass := make(map[string]int)
-
-	shipClass := func(shipClass string) int {
-		if v, ok := cacheShipClass[shipClass]; ok {
-			return v
-		} else {
-			l := len(r.Ships)
-			r.Ships[l] = shipClass
-			cacheShipClass[shipClass] = l
-			return l
-		}
-	}
-
-	for i := range b.Protocol {
-		r.Protocol[i] = game.BattleActionReport{
-			AttackerShipClass: shipClass(b.ShipClassName(b.Protocol[i].Attacker)),
-			DefenderShipClass: shipClass(b.ShipClassName(b.Protocol[i].Defenter)),
-			Destroyed:         b.Protocol[i].Destroyed,
-		}
-	}
-
-	return r
-}