73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
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package handlers
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import (
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"openquell/components"
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. "openquell/config"
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"openquell/util"
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"log/slog"
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"github.com/mlange-42/arche/ecs"
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"github.com/mlange-42/arche/generic"
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)
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// type Collider struct {
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// CollisionHandler func(*Position, *Position, *Velocity) bool
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// EdgeHandler func(*Position, *Position, *Velocity) bool
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// PassoverHandler func(*Position, *Velocity) bool
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// PassoverFinishedHandler func(*Position, *Velocity) bool
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// }
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func HandlePlayerCollision(world *ecs.World, pos, newpos *components.Position,
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velocity *components.Velocity, target ecs.Entity) bool {
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velmapper := generic.NewMap[components.Velocity](world)
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wallmapper := generic.NewMap[components.Solid](world)
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obsmapper := generic.NewMap[components.Obstacle](world)
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if wallmapper.Has(target) {
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pos.Set(newpos)
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velocity.Change(Stop)
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return true
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}
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if obsmapper.Has(target) {
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obsvelocity := velmapper.Get(target)
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if CheckObstacleSide(velocity, obsvelocity.Direction) {
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// player died
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return false
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} else {
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// bumped into nonlethal obstacle side, stop the
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// player, set the obstacle in motion, if possible
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obsvelocity.Set(velocity)
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velocity.Change(Stop)
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pos.Set(newpos)
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}
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}
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return true
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}
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func HandlePlayerEdgeBump(world *ecs.World, playerpos,
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newpos *components.Position, velocity *components.Velocity, target ecs.Entity) bool {
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playerpos.Set(newpos)
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return true
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}
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func CheckObstacleSide(playervelocity *components.Velocity, obsdirection int) bool {
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movingdirection := playervelocity.InvertDirection()
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if movingdirection == Stop || movingdirection == obsdirection {
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slog.Debug("Damaging obstacle collision",
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"playerdirection", util.DirectionStr(playervelocity.Direction),
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"obsdirection", util.DirectionStr(obsdirection),
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"movingdirection", util.DirectionStr(movingdirection),
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)
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return true
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}
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return false
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}
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