Files
FirstPersonKit/assets/system/player_interaction.modifier.wren

110 lines
2.8 KiB
Plaintext

import "fpkit: system/player_interaction.modifier.api" for API, Modifier, APIGet, APISet, Wire, Fields, State, Op
import "luxe: io" for IO
import "luxe: assets" for Assets, Strings
import "luxe: math" for Math
import "luxe: input" for Input
import "luxe: system/camera.modifier" for Camera
import "luxe: system/physics/physics3D.modifier" for Physics3D
import "luxe: system/physics/body3D.modifier" for Body3D
import "luxe: world" for Entity, World, Transform
import "luxe.project/asset" for Asset
import "luxe: draw" for Draw, PathStyle
#block = data
class Data {
var event_name: String = "interact"
var distance: Num = 1.3
#hidden
var is_active: Bool = true
#hidden
var camera: Handle = 0
#hidden
var seen_interaction: Handle = 0
}
#api
#display = "FPKit: Player Interaction"
#desc = "**Lets player use interactive entities**. Handles events when the player looks at, looks away from, or presses the Use key on an entity."
#icon = "luxe: image/modifier/modifier.svg"
class PlayerInteraction is API {
//add public facing API here
}
#system
#phase(on, tick)
class System is Modifier {
//required atm
construct new(world: World) { super(world) }
init(world: World) {
Log.print("init `%(This)` in world `%(world)`")
_world = world
_drawing = Draw.create(World.render_set(world))
_style = PathStyle.new()
_style.color = [0.5, 0.5, 0.5, 1]
_style.thickness = 0.001
}
#hidden
attach(player: Entity, data: Data) {
Log.print("attached to `%(Entity.name(player))` `%(player)` - `%(This)`")
data.camera = Camera.get_default(_world)
Log.print("Camera Found: %(data.camera != null) / %(Entity.name(data.camera))")
// if (!Physics3D.has(_world)) {
Physics3D.create_in(_world)
// }
}
#hidden
detach(player: Entity, data: Data) {
Log.print("detached from `%(Entity.name(player))` `%(player)` - `%(This)`")
}
#hidden
tick(delta: Num) {
each {|player: Entity, data: Data|
if (!data.is_active) return
if (Input.event_began(data.event_name)) {
Log.print("[[ USE ]]")
}
var cam_pos = Transform.get_pos_world(data.camera)
var look_dir = Transform.local_dir_to_world(data.camera, 0, 0, -1)
var look_pos = Math.add(cam_pos, look_dir)
var did_hit: Bool = false
var hits = Physics3D.cast_ray(_world, cam_pos, look_dir, data.distance)
var last_seen = data.seen_interaction
data.seen_interaction = 0
for (hit: CastRayResult in hits) {
if (hit.body_entity == player) continue
if (Body3D.get.is_sensor(hit.body_entity)) continue
did_hit = true
data.seen_interaction = hit.body_entity
if (hit.body_entity != last_seen) {
Log.print("Entity Seen: %(Entity.name(hit.body_entity))")
}
look_pos = hit.pos
break
}
_style.color = did_hit ? [0.2, 1, 0.2, 1] : [1, 0.2, 0.2, 1]
Draw.sphere3D_slice(_drawing, look_pos, [0.1, 0.1], 0, 360, 8, _style)
Draw.commit(_drawing)
}
}
}