83 lines
2.8 KiB
Go
83 lines
2.8 KiB
Go
package system
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import (
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"fmt"
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"github.com/yohamta/donburi/filter"
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"joylink.club/ecs"
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"joylink.club/rtsssimulation/components"
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"joylink.club/rtsssimulation/state"
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)
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// 百分比设备系统
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type PercentageSystem struct {
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query *ecs.Query
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}
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func NewPercentageSystem() *PercentageSystem {
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return &PercentageSystem{query: ecs.NewQuery(filter.Contains(components.PercentageDeviceComponent, components.PercentageDeviceOperatingComponent))}
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}
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// world 执行
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func (me *PercentageSystem) Update(world ecs.World) {
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me.query.Each(world, func(e *ecs.Entry) {
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operation := components.PercentageDeviceOperatingComponent.Get(e)
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if operation.RemainingDistance <= 0 {
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operation.RemainingDistance = 0
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e.RemoveComponent(components.PercentageDeviceOperatingComponent)
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} else {
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operation.RemainingDistance -= int64(world.Tick())
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if operation.RemainingDistance < 0 {
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operation.RemainingDistance = 0
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}
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}
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//
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rateDevice := components.PercentageDeviceComponent.Get(e)
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if operation.ToH {
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rateDevice.Rate = int32(float64(100) * (float64(operation.InitDistance+operation.SumDistance-operation.RemainingDistance) / float64(operation.LhDistance)))
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} else {
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rateDevice.Rate = 100 - int32(float64(100)*(float64(operation.InitDistance+operation.SumDistance-operation.RemainingDistance)/float64(operation.LhDistance)))
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}
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})
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}
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// 触发操作百分比设备
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// deviceEntry 百分比组件所在的实体
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// lhDistance 百分比设备从0-100的距离，单位ms
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// toRate 本次操作最终目标百分比
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func FirePercentageDeviceOperation(w ecs.World, deviceEntry *ecs.Entry, lhDistance int64, toRate int32) error {
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if !deviceEntry.HasComponent(components.PercentageDeviceComponent) {
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entityId := components.DeviceIdentityComponent.Get(deviceEntry).Id
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return fmt.Errorf("实体[%s]中不存在百分比组件", entityId)
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}
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curRate := components.PercentageDeviceComponent.Get(deviceEntry).Rate
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if curRate == toRate {
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return nil
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}
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//
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if !deviceEntry.HasComponent(components.PercentageDeviceOperatingComponent) {
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deviceEntry.AddComponent(components.PercentageDeviceOperatingComponent)
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}
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operation := components.PercentageDeviceOperatingComponent.Get(deviceEntry)
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//
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toHigh := toRate > curRate
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var initDistance, sumDistance int64
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if toHigh {
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initDistance = int64(float64(lhDistance) * (float64(curRate) / float64(100)))
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sumDistance = int64(float64(lhDistance) * (float64(toRate-curRate) / float64(100)))
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} else {
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initDistance = int64(float64(lhDistance) * (float64(100-curRate) / float64(100)))
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sumDistance = int64(float64(lhDistance) * (float64(curRate-toRate) / float64(100)))
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}
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//
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*operation = state.PercentageDeviceOperating{
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ToH: toHigh,
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LhDistance: lhDistance,
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InitDistance: initDistance,
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SumDistance: sumDistance,
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RemainingDistance: sumDistance,
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}
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//
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return nil
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}
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