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Demo: Simplify melee AI

This commit is contained in:
Serhii Snitsaruk 2024-01-30 22:13:04 +01:00
parent c61f265454
commit 597a795d6b
3 changed files with 38 additions and 39 deletions
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2
demo/demo/ai/tasks/face_target.gd
View File

@ -10,7 +10,7 @@ func _generate_name() -> String:
# Called each time this task is ticked (aka executed).
func _tick(delta: float) -> Status:
func _tick(_delta: float) -> Status:
var target := blackboard.get_var(target_var) as CharacterBody2D
if not is_instance_valid(target):
return FAILURE

16
demo/demo/ai/tasks/pursue.gd
View File

@ -5,22 +5,30 @@ const TOLERANCE := 30.0
@export var target_var: String = "target"
@export var speed_var: String = "speed"
@export var distance: float = 100.0
@export var approach_distance: float = 100.0
var _side: float
# Display a customized name (requires @tool).
func _generate_name() -> String:
return "Pursue %s" % [LimboUtility.decorate_var(target_var)]
# Called each time this task is entered.
func _enter() -> void:
_side = 0.0
# Called each time this task is ticked (aka executed).
func _tick(_delta: float) -> Status:
var target := blackboard.get_var(target_var, null) as CharacterBody2D
if not is_instance_valid(target):
return FAILURE
var dir: Vector2 = target.global_position - agent.global_position
if _side == 0:
var dir: Vector2 = agent.global_position - target.global_position
_side = signf(dir.x)
var target_pos := Vector2(
target.global_position.x - distance * signf(dir.x),
target.global_position.x + approach_distance * _side,
target.global_position.y)
if agent.global_position.distance_to(target_pos) < TOLERANCE:
return SUCCESS

59
demo/demo/ai/trees/enemy_melee_simple.tres
View File

@ -1,4 +1,4 @@
[gd_resource type="BehaviorTree" load_steps=24 format=3 uid="uid://bpdm5jnegi38"]
[gd_resource type="BehaviorTree" load_steps=21 format=3 uid="uid://bpdm5jnegi38"]
[ext_resource type="Script" path="res://demo/ai/tasks/get_first_in_group.gd" id="1_2jpsu"]
[ext_resource type="Script" path="res://demo/ai/tasks/pursue.gd" id="2_h5db5"]
@ -8,8 +8,8 @@
var/speed/name = "speed"
var/speed/type = 3
var/speed/value = 400.0
var/speed/hint = 0
var/speed/hint_string = ""
var/speed/hint = 1
var/speed/hint_string = "10,1000,10"
[sub_resource type="BBNode" id="BBNode_nrd4b"]
resource_name = "AnimationPlayer"
@ -21,21 +21,13 @@ animation_name = &"idle"
blend = 0.1
[sub_resource type="BTRandomWait" id="BTRandomWait_xlud8"]
min_duration = 0.1
max_duration = 0.8
min_duration = 0.7
max_duration = 1.5
[sub_resource type="BTSequence" id="BTSequence_yhjh1"]
custom_name = "Chilling"
custom_name = "Pause before action"
children = [SubResource("BTPlayAnimation_qiw21"), SubResource("BTRandomWait_xlud8")]
[sub_resource type="BTComment" id="BTComment_6tjy8"]
custom_name = "Approach player"
[sub_resource type="BTAction" id="BTAction_ulbrf"]
script = ExtResource("1_2jpsu")
group = &"player"
output_var = "_target"
[sub_resource type="BBNode" id="BBNode_wpj6d"]
resource_name = "AnimationPlayer"
saved_value = NodePath("AnimationPlayer")
@ -45,14 +37,24 @@ animation_player = SubResource("BBNode_wpj6d")
animation_name = &"walk"
blend = 0.1
[sub_resource type="BTAction" id="BTAction_ulbrf"]
script = ExtResource("1_2jpsu")
group = &"player"
output_var = "_target"
[sub_resource type="BTAction" id="BTAction_a4jqi"]
script = ExtResource("2_h5db5")
target_var = "_target"
speed_var = "speed"
distance = 100.0
approach_distance = null
[sub_resource type="BTComment" id="BTComment_i1svx"]
custom_name = "Attack player"
[sub_resource type="BTTimeLimit" id="BTTimeLimit_xek5v"]
children = [SubResource("BTAction_a4jqi")]
time_limit = 2.0
[sub_resource type="BTSequence" id="BTSequence_1xfnq"]
custom_name = "Pursue player"
children = [SubResource("BTPlayAnimation_olf37"), SubResource("BTAction_ulbrf"), SubResource("BTTimeLimit_xek5v")]
[sub_resource type="BTAction" id="BTAction_kidxn"]
script = ExtResource("3_bpmfp")
@ -70,25 +72,14 @@ await_completion = 2.0
animation_player = SubResource("BBNode_s8evu")
animation_name = &"attack"
[sub_resource type="BBNode" id="BBNode_4jcut"]
resource_name = "AnimationPlayer"
saved_value = NodePath("AnimationPlayer")
[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_wgf32"]
animation_player = SubResource("BBNode_4jcut")
animation_name = &"idle"
blend = 0.1
[sub_resource type="BTWait" id="BTWait_lcs3i"]
duration = 0.5
[sub_resource type="BTSequence" id="BTSequence_ww5v2"]
custom_name = "Melee attack"
children = [SubResource("BTAction_kidxn"), SubResource("BTWait_tadkc"), SubResource("BTPlayAnimation_ppmxd")]
[sub_resource type="BTSequence" id="BTSequence_pxl2k"]
custom_name = "Melee attack"
children = [SubResource("BTSequence_yhjh1"), SubResource("BTComment_6tjy8"), SubResource("BTAction_ulbrf"), SubResource("BTPlayAnimation_olf37"), SubResource("BTAction_a4jqi"), SubResource("BTComment_i1svx"), SubResource("BTAction_kidxn"), SubResource("BTWait_tadkc"), SubResource("BTPlayAnimation_ppmxd"), SubResource("BTPlayAnimation_wgf32"), SubResource("BTWait_lcs3i")]
[sub_resource type="BTSelector" id="BTSelector_mcdtk"]
children = [SubResource("BTSequence_pxl2k")]
custom_name = "Main"
children = [SubResource("BTSequence_yhjh1"), SubResource("BTSequence_1xfnq"), SubResource("BTSequence_ww5v2")]
[resource]
blackboard_plan = SubResource("BlackboardPlan_46tbn")
root_task = SubResource("BTSelector_mcdtk")
root_task = SubResource("BTSequence_pxl2k")