Ilia Denisov
68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package controller
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import (
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"fmt"
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"iter"
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"galaxy/util"
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"github.com/iliadenisov/galaxy/server/internal/model/game"
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)
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func (c *Cache) MoveShipGroups() {
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moved := make(map[int]bool)
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for i := range c.listMoveableGroupIds() {
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if v, ok := moved[i]; ok && v {
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continue
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}
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sg := c.ShipGroup(i)
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if sg.FleetID != nil {
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fi := c.MustFleetIndex(*sg.FleetID)
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delta, _ := c.FleetSpeedAndMass(fi)
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for fgi := range c.fleetGroupIds(c.RaceIndex(sg.OwnerID), c.MustFleetIndex(*sg.FleetID)) {
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c.moveShipGroup(fgi, delta)
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moved[fgi] = true
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}
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continue
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}
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c.moveShipGroup(i, sg.Speed(c.ShipGroupShipClass(i)))
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moved[i] = true
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}
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}
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func (c *Cache) moveShipGroup(i int, delta float64) {
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sg := c.ShipGroup(i)
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originX, originY, ok := sg.Coord()
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if !ok {
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panic(fmt.Sprintf("ship group state invalid: %v", sg.State()))
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}
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destPlanet := c.MustPlanet(sg.Destination)
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arrived := false
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var x, y float64
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x, y, arrived =
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util.NextTravelCoord(c.g.Map.Width, c.g.Map.Height, originX, originY, destPlanet.X.F(), destPlanet.Y.F(), delta)
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fx, fy := game.F(x), game.F(y)
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sg.StateInSpace.X = &fx
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sg.StateInSpace.Y = &fy
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if arrived {
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sg.StateInSpace = nil
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}
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}
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func (c *Cache) listMoveableGroupIds() iter.Seq[int] {
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return func(yield func(int) bool) {
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for i := range c.ShipGroupsIndex() {
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sg := c.ShipGroup(i)
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state := sg.State()
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if !(state == game.StateInOrbit || state == game.StateLaunched || state == game.StateInSpace) {
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continue
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}
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if !yield(i) {
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return
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}
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}
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}
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}
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