fix: created ships exact tech level

go.mod

@@ -1,6 +1,6 @@
 module github.com/iliadenisov/galaxy
 
-go 1.25.0
+go 1.26.0
 
 require (
 	github.com/gin-gonic/gin v1.11.0

internal/controller/controller_export_test.go

@@ -136,8 +136,8 @@ func VotingWinners(calc []*VoteGroup, gameVotes float64) []int {
 	return votingWinners(calc, gameVotes)
 }
 
-func (c *Cache) CreateShipsUnsafe_T(ri int, classID uuid.UUID, planet uint, quantity uint) {
+func (c *Cache) CreateShipsUnsafe_T(ri int, classID uuid.UUID, planet uint, quantity uint) int {
-	c.unsafeCreateShips(ri, classID, planet, quantity)
+	return c.unsafeCreateShips(ri, classID, planet, quantity)
 }
 
 func (c *Cache) WipeRace(ri int) {

internal/controller/planet.go

@@ -8,6 +8,7 @@ import (
 	"github.com/google/uuid"
 	e "github.com/iliadenisov/galaxy/internal/error"
 	"github.com/iliadenisov/galaxy/internal/model/game"
+	"github.com/iliadenisov/galaxy/internal/number"
 	"github.com/iliadenisov/galaxy/internal/util"
 )
 
@@ -183,7 +184,7 @@ func (c *Cache) TurnPlanetProductions() {
 			cost := sg.StateUpgrade.Cost()
 			if productionAvailable >= cost {
 				for i := range sg.StateUpgrade.UpgradeTech {
-					sg.Tech = sg.Tech.Set(sg.StateUpgrade.UpgradeTech[i].Tech, sg.StateUpgrade.UpgradeTech[i].Level.F())
+					sg.Tech = sg.Tech.Set(sg.StateUpgrade.UpgradeTech[i].Tech, number.Fixed3(sg.StateUpgrade.UpgradeTech[i].Level.F()))
 				}
 				productionAvailable -= cost
 			}

internal/controller/ship_group.go

@@ -10,6 +10,7 @@ import (
 	"github.com/google/uuid"
 	e "github.com/iliadenisov/galaxy/internal/error"
 	"github.com/iliadenisov/galaxy/internal/model/game"
+	"github.com/iliadenisov/galaxy/internal/number"
 )
 
 // ShipGroup is a proxy func, nothing to cache
@@ -525,33 +526,24 @@ func (c *Cache) validateShipGroupIndex(i int) {
 	}
 }
 
-/*
+func (c *Cache) unsafeCreateShips(ri int, classID uuid.UUID, planet uint, quantity uint) int {
-TODO: Точность тех. уровней корабля
-
-В целях избежания неточностей в расчетах, технологические уровни кораблей
-округляются до третьего знака после запятой в момент постройки или
-модернизации. Поэтому в отчетах у кораблей всегда указываются действительные,
-а не округлённые уровни технологий.
-*/
-func (c *Cache) unsafeCreateShips(ri int, classID uuid.UUID, planet uint, quantity uint) {
 	st := c.MustShipType(ri, classID)
-	// TODO: test new group levels
 	level := func(t game.Tech) float64 {
 		if t == game.TechDrive && st.DriveBlockMass() > 0 {
-			return c.g.Race[ri].TechLevel(game.TechDrive)
+			return number.Fixed3(c.g.Race[ri].TechLevel(game.TechDrive))
 		}
 		if t == game.TechWeapons && st.WeaponsBlockMass() > 0 {
-			return c.g.Race[ri].TechLevel(game.TechDrive)
+			return number.Fixed3(c.g.Race[ri].TechLevel(game.TechWeapons))
 		}
 		if t == game.TechShields && st.ShieldsBlockMass() > 0 {
-			return c.g.Race[ri].TechLevel(game.TechDrive)
+			return number.Fixed3(c.g.Race[ri].TechLevel(game.TechShields))
 		}
 		if t == game.TechCargo && st.CargoBlockMass() > 0 {
-			return c.g.Race[ri].TechLevel(game.TechDrive)
+			return number.Fixed3(c.g.Race[ri].TechLevel(game.TechCargo))
 		}
 		return 0
 	}
-	c.appendShipGroup(ri, &game.ShipGroup{
+	return c.appendShipGroup(ri, &game.ShipGroup{
 		OwnerID:     c.g.Race[ri].ID,
 		TypeID:      classID,
 		Destination: planet,

internal/controller/ship_group_test.go

@@ -35,6 +35,29 @@ func TestCreateShips(t *testing.T) {
 	assert.Len(t, slices.Collect(c.RaceShipGroups(1)), 2)
 }
 
+func TestUnsafeCreateShips(t *testing.T) {
+	c, _ := newCache()
+	r := c.Race(Race_0_idx)
+	r.Tech = r.Tech.Set(game.TechDrive, 1.001)
+	r.Tech = r.Tech.Set(game.TechWeapons, 2.999)
+	r.Tech = r.Tech.Set(game.TechShields, 3.1003)
+	r.Tech = r.Tech.Set(game.TechCargo, 4.0005001)
+
+	sgi := c.CreateShipsUnsafe_T(Race_0_idx, c.MustShipClass(Race_0_idx, Race_0_Freighter).ID, R0_Planet_0_num, 1)
+	sg := c.ShipGroup(sgi)
+	assert.Equal(t, 1.001, sg.Tech.Value(game.TechDrive))
+	assert.Equal(t, 0., sg.Tech.Value(game.TechWeapons))
+	assert.Equal(t, 3.100, sg.Tech.Value(game.TechShields))
+	assert.Equal(t, 4.001, sg.Tech.Value(game.TechCargo))
+
+	sgi = c.CreateShipsUnsafe_T(Race_0_idx, c.MustShipClass(Race_0_idx, Race_0_Gunship).ID, R0_Planet_0_num, 1)
+	sg = c.ShipGroup(sgi)
+	assert.Equal(t, 1.001, sg.Tech.Value(game.TechDrive))
+	assert.Equal(t, 2.999, sg.Tech.Value(game.TechWeapons))
+	assert.Equal(t, 3.100, sg.Tech.Value(game.TechShields))
+	assert.Equal(t, 0., sg.Tech.Value(game.TechCargo))
+}
+
 func TestShipGroupMerge(t *testing.T) {
 	c, g := newCache()
 

internal/model/game/group.go

@@ -187,6 +187,9 @@ func (sg ShipGroup) CargoCapacity(st *ShipType) float64 {
 // Масса перевозимого груза -
 // общее количество единиц груза, деленное на технологический уровень Грузоперевозок
 func (sg ShipGroup) CarryingMass() float64 {
+	if sg.Load.F() == 0 {
+		return 0
+	}
 	return sg.Load.F() / sg.TechLevel(TechCargo).F()
 }