create basic controller

2025-09-26 20:54:34 +03:00
parent 282150a253
commit 66eeefc65d
13 changed files with 357 additions and 165 deletions
@@ -0,0 +1,126 @@
+package game
+
+import (
+	"fmt"
+	"math/rand/v2"
+
+	"github.com/google/uuid"
+	"github.com/iliadenisov/galaxy/pkg/generator"
+	"github.com/iliadenisov/galaxy/pkg/model/game"
+)
+
+func newGame(r Repo, races []string) (uuid.UUID, error) {
+	m, err := generator.Generate(func(ms *generator.MapSetting) {
+		ms.Players = uint32(len(races))
+	})
+	if err != nil {
+		return uuid.Nil, fmt.Errorf("generate map: %s", err)
+	}
+	return NewGameFromMap(r, races, m)
+}
+
+func NewGameFromMap(r Repo, races []string, m generator.Map) (uuid.UUID, error) {
+	if len(races) != len(m.HomePlanets) {
+		return uuid.Nil, fmt.Errorf("generate map: wrong number of home planets: %d, expected: %d ", len(m.HomePlanets), len(races))
+	}
+	gameID, err := uuid.NewRandom()
+	if err != nil {
+		return uuid.Nil, fmt.Errorf("generate game uuid: %s", err)
+	}
+	g := &game.Game{
+		ID:   gameID,
+		Race: make([]game.Race, len(races)),
+	}
+
+	gameMap := &game.Map{
+		Width:  m.Width,
+		Height: m.Height,
+		Planet: make([]game.Planet, 0),
+	}
+	var planetCount uint = 0
+	for i := range races {
+		raceID, err := uuid.NewRandom()
+		if err != nil {
+			return uuid.Nil, fmt.Errorf("generate race uuid: %s", err)
+		}
+		g.Race[i] = game.Race{
+			ID:      raceID,
+			Name:    races[i],
+			Vote:    raceID,
+			Drive:   1,
+			Weapons: 1,
+			Shields: 1,
+			Cargo:   1,
+		}
+		gameMap.Planet = append(gameMap.Planet, newPlanet(
+			planetCount,
+			m.HomePlanets[i].HW.RandomName(),
+			raceID,
+			m.HomePlanets[i].HW.Position.X,
+			m.HomePlanets[i].HW.Position.Y,
+			m.HomePlanets[i].HW.Size,
+			m.HomePlanets[i].HW.Size, // HW's pop & ind = size
+			m.HomePlanets[i].HW.Size,
+			m.HomePlanets[i].HW.Resources,
+			game.ResearchDrive.AsType(""),
+		))
+		planetCount++
+		for dw := range m.HomePlanets[i].DW {
+			gameMap.Planet = append(gameMap.Planet, newPlanet(
+				planetCount,
+				m.HomePlanets[i].DW[dw].RandomName(),
+				raceID,
+				m.HomePlanets[i].DW[dw].Position.X,
+				m.HomePlanets[i].DW[dw].Position.Y,
+				m.HomePlanets[i].DW[dw].Size,
+				m.HomePlanets[i].DW[dw].Size, // DW's pop & ind = size
+				m.HomePlanets[i].DW[dw].Size,
+				m.HomePlanets[i].DW[dw].Resources,
+				game.ResearchDrive.AsType(""),
+			))
+			planetCount++
+		}
+	}
+	for i := range m.FreePlanets {
+		gameMap.Planet = append(gameMap.Planet, newPlanet(
+			planetCount,
+			m.FreePlanets[i].RandomName(),
+			uuid.Nil,
+			m.FreePlanets[i].Position.X,
+			m.FreePlanets[i].Position.Y,
+			m.FreePlanets[i].Size,
+			0,
+			0,
+			m.FreePlanets[i].Resources,
+			game.ProductionNone.AsType(""),
+		))
+		planetCount++
+	}
+
+	// TODO: check code below actually works
+	rand.Shuffle(len(gameMap.Planet), func(i, j int) {
+		gameMap.Planet[i].Number, gameMap.Planet[j].Number = gameMap.Planet[j].Number, gameMap.Planet[i].Number
+	})
+
+	g.Map = *gameMap
+
+	if err := r.SaveTurn(0, *g); err != nil {
+		return uuid.Nil, fmt.Errorf("persist: %s", err)
+	}
+	return g.ID, nil
+}
+
+func newPlanet(num uint, name string, owner uuid.UUID, x, y, size, pop, ind, res float64, prod game.ProductionType) game.Planet {
+	return game.Planet{
+		Name:       name,
+		Number:     num,
+		Owner:      owner,
+		X:          x,
+		Y:          y,
+		Size:       size,
+		Population: pop,
+		Industry:   ind,
+		Resources:  res,
+		Production: prod,
+	}
+}