Ilia Denisov
108 lines
2.6 KiB
Go
108 lines
2.6 KiB
Go
package game
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import (
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"slices"
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"github.com/google/uuid"
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e "github.com/iliadenisov/galaxy/internal/error"
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)
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type Science struct {
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ID uuid.UUID `json:"id"`
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ScienceReport
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}
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type ScienceReportForeign struct {
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RaceName string
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ScienceReport
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}
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type ScienceReport struct {
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Name string `json:"name"`
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Drive float64 `json:"drive"`
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Weapons float64 `json:"weapons"`
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Shields float64 `json:"shields"`
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Cargo float64 `json:"cargo"`
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}
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func (g Game) Sciences(raceName string) ([]Science, error) {
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ri, err := g.raceIndex(raceName)
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if err != nil {
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return nil, err
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}
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return g.sciencesInternal(ri), nil
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}
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func (g Game) sciencesInternal(ri int) []Science {
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return g.Race[ri].Sciences
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}
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func (g Game) DeleteScience(raceName, typeName string) error {
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ri, err := g.raceIndex(raceName)
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if err != nil {
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return err
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}
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return g.deleteScienceInternal(ri, typeName)
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}
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func (g Game) deleteScienceInternal(ri int, name string) error {
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sc := slices.IndexFunc(g.Race[ri].Sciences, func(s Science) bool { return s.Name == name })
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if sc < 0 {
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return e.NewEntityNotExistsError("science %w", name)
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}
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if pl := slices.IndexFunc(g.Map.Planet, func(p Planet) bool {
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return p.Production.Production == ResearchScience &&
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p.Production.SubjectID != nil &&
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*p.Production.SubjectID == g.Race[ri].Sciences[sc].ID
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}); pl >= 0 {
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return e.NewDeleteSciencePlanetProductionError(g.Map.Planet[pl].Name)
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}
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g.Race[ri].Sciences = append(g.Race[ri].Sciences[:sc], g.Race[ri].Sciences[sc+1:]...)
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return nil
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}
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func (g Game) CreateScience(raceName, typeName string, d, w, s, c float64) error {
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ri, err := g.raceIndex(raceName)
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if err != nil {
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return err
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}
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return g.createScienceInternal(ri, typeName, d, w, s, c)
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}
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func (g Game) createScienceInternal(ri int, name string, d, w, s, c float64) error {
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n, ok := validateTypeName(name)
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if !ok {
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return e.NewEntityTypeNameValidationError("%q", n)
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}
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if sc := slices.IndexFunc(g.Race[ri].Sciences, func(s Science) bool { return s.Name == n }); sc >= 0 {
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return e.NewEntityTypeNameDuplicateError("science %w", g.Race[ri].Sciences[sc].Name)
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}
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if d < 0 {
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return e.NewDriveValueError(d)
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}
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if w < 0 {
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return e.NewWeaponsValueError(w)
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}
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if s < 0 {
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return e.NewShieldsValueError(s)
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}
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if c < 0 {
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return e.NewCargoValueError(c)
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}
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sum := d + w + s + c
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if sum != 1 {
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return e.NewScienceSumValuesError("D=%f W=%f S=%f C=%f sum=%f", d, w, s, c, sum)
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}
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g.Race[ri].Sciences = append(g.Race[ri].Sciences, Science{
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ID: uuid.New(),
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ScienceReport: ScienceReport{
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Name: n,
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Drive: d,
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Weapons: w,
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Shields: s,
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Cargo: c,
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},
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})
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return nil
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}
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