71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
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package systems
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import (
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"fmt"
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"time"
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"code.haedhutner.dev/mvv/LastMUD/internal/ecs"
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"code.haedhutner.dev/mvv/LastMUD/internal/game/data"
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"code.haedhutner.dev/mvv/LastMUD/internal/logging"
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)
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type eventError struct {
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err string
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}
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func createEventError(v ...any) *eventError {
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return &eventError{
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err: fmt.Sprint(v...),
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}
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}
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func (e *eventError) Error() string {
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return e.err
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}
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func EventTypeQuery(eventType data.EventType) func(comp data.EventComponent) bool {
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return func(comp data.EventComponent) bool {
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return comp.EventType == eventType
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}
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}
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func CreateEventSystems() []*ecs.System {
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return []*ecs.System{
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ecs.CreateSystem("PlayerConnectEventHandlerSystem", 0, handlePlayerConnectEvents),
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}
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}
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func handlePlayerConnectEvents(world *ecs.World, delta time.Duration) (err error) {
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events := ecs.QueryEntitiesWithComponent(world, EventTypeQuery(data.EventPlayerConnect))
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processedEvents := []ecs.Entity{}
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for event := range events {
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err = handlePlayerConnectEvent(world, event)
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if err != nil {
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logging.Error("PlayerConnect Error: ", err)
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}
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processedEvents = append(processedEvents, event)
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}
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ecs.DeleteEntities(world, processedEvents...)
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return
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}
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func handlePlayerConnectEvent(world *ecs.World, entity ecs.Entity) (err error) {
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logging.Warn("Player connect")
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connectionId, ok := ecs.GetComponent[data.ConnectionIdComponent](world, entity)
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if !ok {
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return createEventError("Event does not contain connectionId")
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}
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data.CreatePlayer(world, connectionId.ConnectionId, data.PlayerStateJoining)
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data.CreateGameOutput(world, connectionId.ConnectionId, []byte("Welcome to LastMUD!"))
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return
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}
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