feat: moge groups in hyperspace

internal/controller/controller_export_test.go

@@ -70,3 +70,7 @@ func (c *Cache) RaceTechLevel(ri int, t game.Tech, v float64) {
 func (c *Cache) ListRouteEligibleGroupIds(pn uint) iter.Seq[int] {
 	return c.listRouteEligibleGroupIds(pn)
 }
+
+func (c *Cache) ListMoveableGroupIds() iter.Seq[int] {
+	return c.listMoveableGroupIds()
+}

internal/controller/controller_test.go

@@ -94,9 +94,9 @@ func newGame() *game.Game {
 			Width:  1000,
 			Height: 1000,
 			Planet: []game.Planet{
-				controller.NewPlanet(R0_Planet_0_num, "Planet_0", Race_0.ID, 0, 0, 100, 100, 100, 0, game.ProductionNone.AsType(uuid.Nil)),
-				controller.NewPlanet(R1_Planet_1_num, "Planet_1", Race_1.ID, 1, 1, 100, 0, 0, 0, game.ProductionNone.AsType(uuid.Nil)),
-				controller.NewPlanet(R0_Planet_2_num, "Planet_2", Race_0.ID, 2, 2, 100, 0, 0, 0, game.ProductionNone.AsType(uuid.Nil)),
+				controller.NewPlanet(R0_Planet_0_num, "Planet_0", Race_0.ID, 1, 1, 100, 100, 100, 0, game.ProductionNone.AsType(uuid.Nil)),
+				controller.NewPlanet(R1_Planet_1_num, "Planet_1", Race_1.ID, 2, 2, 100, 0, 0, 0, game.ProductionNone.AsType(uuid.Nil)),
+				controller.NewPlanet(R0_Planet_2_num, "Planet_2", Race_0.ID, 3, 3, 100, 0, 0, 0, game.ProductionNone.AsType(uuid.Nil)),
 				controller.NewPlanet(3, "Planet_3", uuid.Nil, 500, 500, 100, 0, 0, 0, game.ProductionNone.AsType(uuid.Nil)),
 			},
 		},

internal/controller/fleet.go

@@ -250,6 +250,25 @@ func (c *Cache) FleetGroups(ri, fi int) iter.Seq[*game.ShipGroup] {
 	}
 }
 
+func (c *Cache) fleetGroupIds(ri, fi int) iter.Seq[int] {
+	c.validateRaceIndex(ri)
+	c.validateFleetIndex(fi)
+	return func(yield func(int) bool) {
+		for i := range c.ShipGroupsIndex() {
+			sg := c.ShipGroup(i)
+			if c.g.Race[ri].ID != sg.OwnerID {
+				continue
+			}
+			if sg.FleetID == nil || c.MustFleetIndex(*sg.FleetID) != fi {
+				continue
+			}
+			if !yield(i) {
+				return
+			}
+		}
+	}
+}
+
 func (c *Cache) listFleets(ri int) iter.Seq[*game.Fleet] {
 	c.validateRaceIndex(ri)
 	return func(yield func(*game.Fleet) bool) {

internal/controller/generate_turn.go

@@ -15,9 +15,18 @@ func MakeTurn(c *Controller, r Repo, g *game.Game) error {
 	// 02. Враждующие корабли вступают в схватку.
 	battles := ProduceBattles(c.Cache)
 
-	// 03. Товары загружаются на корабли, находящиеся в начале грузовых маршрутов, и корабли входят в гиперпространство.
+	// 03. Товары загружаются на корабли, находящиеся в начале грузовых маршрутов, и корабли входят в гиперпространство (но ещё не полетели)
 	c.Cache.EnrouteGroups()
 
+	// 04. Корабли пролетают сквозь гиперпространство.
+	c.Cache.MoveShipGroups()
+
+	// 05. Корабли, где это возможно, объединяются в группы.
+	c.Cache.CmdJoinEqualGroups()
+
+	// 06. Враждующие корабли снова вступают в схватку (это происходит после выхода из гиперпространства).
+	battles = append(battles, ProduceBattles(c.Cache)...)
+
 	/*** Last steps ***/
 
 	// Store battles

internal/controller/route_test.go

@@ -137,9 +137,6 @@ func TestEnrouteGroups_SplitGroup(t *testing.T) {
 	c, g := newCache()
 
 	assert.NoError(t, g.SetRoute(Race_0.Name, "COL", R0_Planet_0_num, R0_Planet_2_num))
-	// assert.NoError(t, g.SetRoute(Race_0.Name, "MAT", R0_Planet_0_num, R0_Planet_2_num))
-	// assert.NoError(t, g.SetRoute(Race_0.Name, "CAP", R0_Planet_0_num, R0_Planet_2_num))
-	// assert.NoError(t, g.SetRoute(Race_0.Name, "EMP", R0_Planet_2_num, R1_Planet_1_num))
 
 	c.MustPlanet(R0_Planet_0_num).Colonists = 65
 
@@ -162,9 +159,6 @@ func TestEnrouteGroups_GroupSorting(t *testing.T) {
 	c, g := newCache()
 
 	assert.NoError(t, g.SetRoute(Race_0.Name, "COL", R0_Planet_0_num, R0_Planet_2_num))
-	// assert.NoError(t, g.SetRoute(Race_0.Name, "MAT", R0_Planet_0_num, R0_Planet_2_num))
-	// assert.NoError(t, g.SetRoute(Race_0.Name, "CAP", R0_Planet_0_num, R0_Planet_2_num))
-	// assert.NoError(t, g.SetRoute(Race_0.Name, "EMP", R0_Planet_2_num, R1_Planet_1_num))
 
 	c.MustPlanet(R0_Planet_0_num).Colonists = 100
 

internal/controller/ship_group_move.go

@@ -0,0 +1,62 @@
+package controller
+
+import (
+	"fmt"
+	"iter"
+
+	"github.com/iliadenisov/galaxy/internal/model/game"
+	"github.com/iliadenisov/galaxy/internal/util"
+)
+
+func (c *Cache) MoveShipGroups() {
+	moved := make(map[int]bool)
+	for i := range c.listMoveableGroupIds() {
+		if v, ok := moved[i]; ok && v {
+			continue
+		}
+		sg := c.ShipGroup(i)
+
+		if sg.FleetID != nil {
+			fi := c.MustFleetIndex(*sg.FleetID)
+			delta := c.FleetSpeed(c.g.Fleets[fi])
+			for fgi := range c.fleetGroupIds(c.RaceIndex(sg.OwnerID), c.MustFleetIndex(*sg.FleetID)) {
+				c.moveShipGroup(fgi, delta)
+				moved[fgi] = true
+			}
+			continue
+		}
+
+		c.moveShipGroup(i, sg.Speed(c.ShipGroupShipClass(i)))
+		moved[i] = true
+	}
+}
+
+func (c *Cache) moveShipGroup(i int, delta float64) {
+	sg := c.ShipGroup(i)
+	originX, originY, ok := sg.Coord()
+	if !ok {
+		panic(fmt.Sprintf("ship group state invalid: %v", sg.State()))
+	}
+	destPlanet := c.MustPlanet(sg.Destination)
+	arrived := false
+	sg.StateInSpace.X, sg.StateInSpace.Y, arrived =
+		util.NextTravelCoord(c.g.Map.Width, c.g.Map.Height, originX, originY, destPlanet.X, destPlanet.Y, delta)
+	if arrived {
+		sg.StateInSpace = nil
+	}
+}
+
+func (c *Cache) listMoveableGroupIds() iter.Seq[int] {
+	return func(yield func(int) bool) {
+		for i := range c.ShipGroupsIndex() {
+			sg := c.ShipGroup(i)
+			state := sg.State()
+			if !(state == game.StateInOrbit || state == game.StateLaunched || state == game.StateInSpace) {
+				continue
+			}
+			if !yield(i) {
+				return
+			}
+		}
+	}
+}

internal/controller/ship_group_move_test.go

@@ -0,0 +1,49 @@
+package controller_test
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/iliadenisov/galaxy/internal/model/game"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestListMoveableGroupIds(t *testing.T) {
+	c, g := newCache()
+
+	// 1: idx = 0 / [v] Non-Fleet group
+	assert.NoError(t, c.CreateShips(Race_0_idx, Race_0_Freighter, R0_Planet_0_num, 10))
+
+	// 2: idx = 1 / [v] In-Fleet group
+	assert.NoError(t, c.CreateShips(Race_0_idx, Race_0_Gunship, R0_Planet_0_num, 1))
+	// 3: idx = 2 / [v] In-Fleet group
+	assert.NoError(t, c.CreateShips(Race_0_idx, Race_0_Freighter, R0_Planet_0_num, 10))
+
+	assert.NoError(t, g.JoinShipGroupToFleet(Race_0.Name, "Fleet", 2, 0))
+	assert.NoError(t, g.JoinShipGroupToFleet(Race_0.Name, "Fleet", 3, 0))
+
+	// 4: idx = 3 / [v] In_Space
+	assert.NoError(t, c.CreateShips(Race_0_idx, Race_0_Freighter, R0_Planet_0_num, 7))
+	c.ShipGroup(3).StateInSpace = &game.InSpace{
+		Origin: 2,
+		Range:  31.337,
+	}
+
+	// 5: idx = 4 / [x] In_Upgrage
+	assert.NoError(t, c.CreateShips(Race_0_idx, Race_0_Freighter, R0_Planet_0_num, 7))
+	c.ShipGroup(4).StateUpgrade = &game.InUpgrade{
+		UpgradeTech: []game.UpgradePreference{},
+	}
+
+	// 6: idx = 5 / [v] Just launched group
+	assert.NoError(t, c.CreateShips(Race_0_idx, Race_0_Freighter, R0_Planet_0_num, 10))
+	assert.NoError(t, g.SendGroup(Race_0.Name, 6, R0_Planet_2_num, 0))
+
+	movableGroups := slices.Collect(c.ListMoveableGroupIds())
+	assert.Len(t, movableGroups, 5)
+	for _, i := range movableGroups {
+		sg := c.ShipGroup(i)
+		assert.NotEqual(t, game.StateUpgrade, sg.State())
+		assert.NotEqual(t, game.StateTransfer, sg.State()) // TODO: Transfer state movable or not?
+	}
+}

internal/controller/ship_group_send.go

@@ -72,10 +72,16 @@ func (c *Cache) LaunchShips(sg *game.ShipGroup, destination uint) *game.ShipGrou
 	for i := range c.ShipGroupsIndex() {
 		if c.ShipGroup(i).OwnerID == sg.OwnerID && c.ShipGroup(i).Index == sg.Index {
 			state := c.ShipGroup(i).State()
-			if state != game.StateInOrbit && state != game.StateLaunched {
+			var p *game.Planet
+			switch state {
+			case game.StateInOrbit:
+				p = c.MustPlanet(sg.Destination)
+			case game.StateLaunched:
+				p = c.MustPlanet(sg.StateInSpace.Origin)
+			default:
 				panic("state invalid")
 			}
-			c.g.ShipGroups[i] = LaunchShips(*sg, destination)
+			c.g.ShipGroups[i] = LaunchShips(*sg, destination, p.X, p.Y)
 			return &c.g.ShipGroups[i]
 		}
 	}
@@ -96,9 +102,11 @@ func (c *Cache) UnsendShips(sg *game.ShipGroup) *game.ShipGroup {
 	panic("ship group not found")
 }
 
-func LaunchShips(sg game.ShipGroup, destination uint) game.ShipGroup {
+func LaunchShips(sg game.ShipGroup, destination uint, originX, originY float64) game.ShipGroup {
 	sg.StateInSpace = &game.InSpace{
 		Origin: sg.Destination,
+		X:      originX,
+		Y:      originY,
 	}
 	sg.Destination = destination
 	return sg

internal/controller/ship_group_send_test.go

@@ -44,26 +44,32 @@ func TestSendGroup(t *testing.T) {
 		g.SendGroup(Race_0.Name, 1, 3, 0),
 		e.GenericErrorText(e.ErrSendUnreachableDestination))
 
-	assert.NoError(t, g.SendGroup(Race_0.Name, 1, 2, 3)) // send 3 of 10
+	assert.NoError(t, g.SendGroup(Race_0.Name, 1, R0_Planet_2_num, 3)) // send 3 of 10
 	assert.Len(t, slices.Collect(c.RaceShipGroups(Race_0_idx)), 4)
 	assert.Equal(t, uint(7), c.ShipGroup(0).Number)
 	assert.Equal(t, game.StateInOrbit, c.ShipGroup(0).State())
 	assert.Equal(t, uint(3), c.ShipGroup(3).Number)
 	assert.Equal(t, game.StateLaunched, c.ShipGroup(3).State())
+	assert.NotNil(t, c.ShipGroup(3).StateInSpace)
+	assert.Equal(t, c.MustPlanet(R0_Planet_0_num).X, c.ShipGroup(3).StateInSpace.X)
+	assert.Equal(t, c.MustPlanet(R0_Planet_0_num).Y, c.ShipGroup(3).StateInSpace.Y)
 
-	assert.NoError(t, g.SendGroup(Race_0.Name, 4, 0, 2)) // un-send 2 of 3
+	assert.NoError(t, g.SendGroup(Race_0.Name, 4, R0_Planet_0_num, 2)) // un-send 2 of 3
 	assert.Len(t, slices.Collect(c.RaceShipGroups(Race_0_idx)), 4)
 	assert.Equal(t, uint(9), c.MustShipGroup(Race_0_idx, 1).Number)
 	assert.Equal(t, game.StateInOrbit, c.MustShipGroup(Race_0_idx, 1).State())
 	assert.Equal(t, uint(1), c.MustShipGroup(Race_0_idx, 4).Number)
 	assert.Equal(t, game.StateLaunched, c.MustShipGroup(Race_0_idx, 4).State())
+	assert.NotNil(t, c.MustShipGroup(Race_0_idx, 4).StateInSpace)
+	assert.Equal(t, c.MustPlanet(R0_Planet_0_num).X, c.MustShipGroup(Race_0_idx, 4).StateInSpace.X)
+	assert.Equal(t, c.MustPlanet(R0_Planet_0_num).Y, c.MustShipGroup(Race_0_idx, 4).StateInSpace.Y)
 
-	assert.NoError(t, g.SendGroup(Race_0.Name, 4, 0, 0)) // un-send the rest 1
+	assert.NoError(t, g.SendGroup(Race_0.Name, 4, R0_Planet_0_num, 0)) // un-send the rest 1
 	assert.Len(t, slices.Collect(c.RaceShipGroups(Race_0_idx)), 3)
 	assert.Equal(t, uint(10), c.MustShipGroup(Race_0_idx, 1).Number)
 	assert.Equal(t, game.StateInOrbit, c.MustShipGroup(Race_0_idx, 1).State())
 
-	assert.NoError(t, g.SendGroup(Race_0.Name, 1, 2, 0))
+	assert.NoError(t, g.SendGroup(Race_0.Name, 1, R0_Planet_2_num, 0))
 	assert.Len(t, slices.Collect(c.RaceShipGroups(Race_0_idx)), 3)
 	assert.Equal(t, uint(10), c.MustShipGroup(Race_0_idx, 1).Number)
 	assert.Equal(t, game.StateLaunched, c.MustShipGroup(Race_0_idx, 1).State())

internal/model/game/group.go

@@ -47,7 +47,7 @@ type InSpace struct {
 	X      float64 `json:"x"`
 	Y      float64 `json:"y"`
 	// zero is for Launched status
-	// TODO: calculate range dynamically
+	// TODO: calculate range dynamically -BUT- if affects ShipGroup.State()
 	Range float64 `json:"range"`
 }
 
@@ -154,6 +154,14 @@ func (sg ShipGroup) OnPlanet() (uint, bool) {
 	}
 }
 
+func (sg ShipGroup) Coord() (float64, float64, bool) {
+	state := sg.State()
+	if state == StateInSpace || state == StateLaunched {
+		return sg.StateInSpace.X, sg.StateInSpace.Y, true
+	}
+	return 0, 0, false
+}
+
 func (sg ShipGroup) Equal(other ShipGroup) bool {
 	return sg.OwnerID == other.OwnerID &&
 		sg.TypeID == other.TypeID &&

internal/util/map.go

@@ -3,6 +3,72 @@ package util
 import "math"
 
 func ShortDistance(w, h uint32, x1, y1, x2, y2 float64) float64 {
+	return math.Hypot(deltas(w, h, x1, y1, x2, y2))
+}
+
+func NextTravelCoord(w, h uint32, x1, y1, x2, y2, delta float64) (float64, float64, bool) {
+	deltaX, deltaY := deltas(w, h, x1, y1, x2, y2)
+	distance := math.Hypot(deltaX, deltaY)
+	if distance <= delta {
+		return x2, y2, true
+	}
+	// TODO: refactor - remove extra vars
+	xa := 0.
+	ya := 0.
+	xb := deltaX
+	yb := deltaY
+	d := distance
+	d2 := delta
+	xc := xa - (d2*(xa-xb))/d
+	yc := ya - (d2*(ya-yb))/d
+
+	// ---
+	var tx, ty float64
+
+	if math.Abs(x2-x1) > float64(w/2) {
+		// moving across X boundary
+		if x2 < x1 {
+			// moving across higher border
+			tx = math.Mod(x1+xc, float64(w))
+		} else {
+			// moving across lower border
+			tx = x1 - xc
+			if tx < 0 {
+				tx = float64(w) + tx
+			}
+		}
+	} else {
+		if x2 < x1 {
+			tx = x1 - xc
+		} else {
+			tx = x1 + xc
+		}
+	}
+
+	if math.Abs(y2-y1) > float64(h/2) {
+		// moving across Y boundary
+		if y2 < y1 {
+			// moving across higher border
+			ty = math.Mod(y1+yc, float64(h))
+		} else {
+			// moving across lower border
+			ty = y1 - yc
+			if ty < 0 {
+				ty = float64(h) + ty
+			}
+		}
+	} else {
+		if y2 < y1 {
+			ty = y1 - yc
+		} else {
+			ty = y1 + yc
+		}
+	}
+
+	return tx, ty, false
+}
+
+func deltas(w, h uint32, x1, y1, x2, y2 float64) (float64, float64) {
 	dx := math.Abs(x2 - x1)
 	dy := math.Abs(y2 - y1)
 	if dx > float64(w/2) {
@@ -11,6 +77,5 @@ func ShortDistance(w, h uint32, x1, y1, x2, y2 float64) float64 {
 	if dy > float64(h/2) {
 		dy = float64(h) - dy
 	}
-	return math.Sqrt(math.Pow(dx, 2) + math.Pow(dy, 2))
-
+	return dx, dy
 }

internal/util/map_test.go

@@ -25,3 +25,32 @@ func TestShortDistance(t *testing.T) {
 		})
 	}
 }
+
+func TestNextTravelCoord(t *testing.T) {
+	for i, tc := range []struct {
+		w, h                  uint32
+		ox, oy, dx, dy, delta float64
+		tx, ty                float64
+		arrived               bool
+	}{
+		{w: 10, h: 10, ox: 0.0, oy: 0.0, dx: 2.0, dy: 0.0, delta: 1.0, tx: 1.0, ty: 0.0, arrived: false},
+		{w: 10, h: 10, ox: 0.0, oy: 0.0, dx: 0.0, dy: 2.0, delta: 1.0, tx: 0.0, ty: 1.0, arrived: false},
+
+		{w: 10, h: 10, ox: 1.0, oy: 1.0, dx: 9.0, dy: 1.0, delta: 1.0, tx: 0.0, ty: 1.0, arrived: false},
+		{w: 10, h: 10, ox: 1.0, oy: 9.5, dx: 1.0, dy: 1.0, delta: 1.0, tx: 1.0, ty: 0.5, arrived: false},
+
+		{w: 10, h: 10, ox: 1.0, oy: 1.0, dx: 5.0, dy: 5.0, delta: 2.0, tx: 2.414, ty: 2.414, arrived: false},
+		{w: 10, h: 10, ox: 1.0, oy: 1.0, dx: 9.0, dy: 9.0, delta: 2.0, tx: 9.586, ty: 9.586, arrived: false},
+
+		{w: 10, h: 10, ox: 5.0, oy: 5.0, dx: 9.0, dy: 9.0, delta: 6.0, tx: 9.0, ty: 9.0, arrived: true},
+		{w: 10, h: 10, ox: 6.0, oy: 6.0, dx: 10.0, dy: 10.0, delta: 6.0, tx: 10.0, ty: 10.0, arrived: true},
+		{w: 10, h: 10, ox: 1.0, oy: 2.0, dx: 7.0, dy: 8.0, delta: 6.0, tx: 7.0, ty: 8.0, arrived: true},
+	} {
+		t.Run(fmt.Sprint(i), func(t *testing.T) {
+			tx, ty, arrived := util.NextTravelCoord(tc.w, tc.h, tc.ox, tc.oy, tc.dx, tc.dy, tc.delta)
+			assert.Equal(t, tc.arrived, arrived)
+			assert.Equal(t, tc.tx, number.Fixed3(tx))
+			assert.Equal(t, tc.ty, number.Fixed3(ty))
+		})
+	}
+}