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package main
import (
"age_of_empires/physics"
"math"
"time"
"golang.org/x/exp/slog"
)
type GatherOrder struct {
source *Entity
}
func (o *GatherOrder) Update(e *Entity, g *Game) {
if !e.Position.IsEnabled || !e.Move.IsEnabled || !e.ResourceGatherer.IsEnabled || e.ResourceGatherer.Value.CurrentTarget == nil {
return
}
gatherer := &e.ResourceGatherer.Value
source := gatherer.CurrentTarget.ResourceSource.Value
if gatherer.CurrentVolume == gatherer.MaxCapacity {
o.updateGathererFull(e, g, gatherer)
return
}
if physics.Distance(e.Position.Value, gatherer.CurrentTarget.Position.Value) <= 100 {
o.updateGathering(gatherer, source)
return
}
if !e.Move.Value.IsActive {
o.startMoveToSource(e, gatherer, g)
}
}
func (*GatherOrder) updateGathering(gatherer *ResourceGatherer, source ResourceSource) {
now := time.Now()
if gatherer.CurrentVolume >= gatherer.MaxCapacity || gatherer.LastPickupTime.Add(200*time.Millisecond).After(now) {
return
}
gatherer.LastPickupTime = now
gatherer.CurrentVolume += 1
source.Remaining -= 1
}
func (o *GatherOrder) updateGathererFull(e *Entity, g *Game, gatherer *ResourceGatherer) {
if e.Move.Value.IsActive {
return
}
storageDockings := getAllStorageDockings(g)
destination, distance := g.Closest(e.Position.Value, storageDockings)
if distance == math.MaxInt {
slog.Info("no accessible storage, canceling gather order")
e.Order.Value = nil
return
}
slog.Info("storage target", slog.String("storage", destination.String()), slog.Int("distance", distance))
if distance > 1 {
slog.Info("moving to storage", slog.String("storage", destination.String()))
physics.StartMove(&e.Move, e.Position, destination, g.getMoveMap())
return
}
g.ResourceAmount += gatherer.CurrentVolume
gatherer.CurrentVolume = 0
o.startMoveToSource(e, gatherer, g)
}
func (o *GatherOrder) startMoveToSource(e *Entity, gatherer *ResourceGatherer, g *Game) {
sourceDockings := physics.AdjacentPoints(gatherer.CurrentTarget.Position.Value)
destination, distance := g.Closest(e.Position.Value, sourceDockings)
if distance == math.MaxInt {
slog.Info("no accessible storage, canceling gather order")
e.Order.Value = nil
return
}
physics.StartMove(&e.Move, e.Position, destination, g.getMoveMap())
}
func getAllStorageDockings(g *Game) []physics.Point {
storageDockings := []physics.Point{}
for _, entity := range g.Entities {
if entity.Position.IsEnabled && entity.ResourceStorage.IsEnabled {
storageDockings = append(storageDockings, physics.AdjacentPoints(entity.Position.Value)...)
}
}
return storageDockings
}
func Gather(e *Entity, source *Entity, g *Game) Order {
if e.Selection.IsEnabled && e.Position.IsEnabled && e.Move.IsEnabled && e.ResourceGatherer.IsEnabled && e.Order.IsEnabled {
if e.Selection.Value.IsSelected {
slog.Info("gathering from", slog.String("source", source.Position.Value.String()))
e.Order.Value = &GatherOrder{source: source}
e.ResourceGatherer.Value.CurrentTarget = source
sourceDockings := physics.AdjacentPoints(source.Position.Value)
destination, distance := g.Closest(e.Position.Value, sourceDockings)
if distance == math.MaxInt {
slog.Info("no accessible storage, canceling gather order")
e.Order.Value = nil
return nil
}
physics.StartMove(&e.Move, e.Position, destination, g.getMoveMap())
}
}
return &GatherOrder{source: source}
}
|
