[Hero 1] Gain charge from being seen; add wall cost

If a player looks at you or a wall you built, you gain charge, and steal
it from them!

Then, building walls now costs 15 charge.

scenes/heroes/1.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=6 format=2]
+[gd_scene load_steps=7 format=2]
 
 [ext_resource path="res://scenes/player.tscn" type="PackedScene" id=1]
 [ext_resource path="res://scripts/heroes/1.gd" type="Script" id=2]
 [ext_resource path="res://assets/heroes/1_head.obj" type="ArrayMesh" id=3]
 [ext_resource path="res://assets/heroes/1.obj" type="ArrayMesh" id=4]
+[ext_resource path="res://scenes/ability_icon.tscn" type="PackedScene" id=5]
 
 [sub_resource type="CapsuleShape" id=1]
 
@@ -13,6 +14,7 @@ height = 0.5
 [node name="RigidBody" instance=ExtResource( 1 )]
 
 script = ExtResource( 2 )
+looked_at_charge_suck = 25
 
 [node name="Body" parent="." index="0"]
 
@@ -28,6 +30,20 @@ mesh = ExtResource( 3 )
 transform = Transform( 1, 0, 0, 0, -1.54624e-07, -0.949072, 0, 1, -1.62921e-07, 0, 0.725089, 0 )
 mesh = ExtResource( 4 )
 
+[node name="PlaceWall" parent="MasterOnly" index="3" instance=ExtResource( 5 )]
+
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_left = -93.0
+margin_top = -112.0
+margin_right = -63.0
+margin_bottom = -82.0
+cost = 15
+ability_name = "Place Wall"
+action = "hero_1_place_wall"
+
 [node name="TPCamera" parent="." index="5"]
 
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.17139, 0 )

scripts/heroes/1.gd

@@ -1,6 +1,9 @@
 extends "res://scripts/player.gd"
 
 onready var placement = preload("res://scripts/placement.gd").new(self, "res://scenes/heroes/1_wall.tscn")
+onready var place_wall_ability = get_node("MasterOnly/PlaceWall")
+
+export var looked_at_charge_suck = 25 # charge / sec
 
 # --- Godot overrides ---
 
@@ -12,7 +15,10 @@ func _ready():
 
 func _process(delta):
 	if is_network_master():
-		placement.place_input()
+		var can_build = switch_charge > place_wall_ability.cost
+		if can_build:
+			if placement.place_input():
+				build_charge(-place_wall_ability.cost)
 
 func _exit_tree():
 	._exit_tree()
@@ -28,3 +34,16 @@ func spawn():
 
 # --- Own ---
 
+# Passive: suck the charge out of people who look at us!
+# This is a special method called by player when any object is looked at
+func on_looked_at(who, delta):
+	# Why do we check this if we can't look at ourselves? Walls call this method from their looked_at
+	# Also, why not use util.is_friendly? Because we're not master, we're slave (looker is master)
+	if who.player_info.is_right_team != player_info.is_right_team:
+		var subtracted = who.build_charge(-looked_at_charge_suck * delta)
+		build_charge(-subtracted)
+		# We rset our switch_charge because otherwise it won't be acknowledged
+		# because we're not master
+		# The *PICKER* is master, we're slave! Well, let's flip that for a mo'
+		rset("switch_charge", switch_charge)
+

scripts/heroes/1_wall.gd

@@ -34,3 +34,6 @@ func count_bodies(with, player, delta):
 		if player != maker_node:
 			being_touched += delta
 
+func on_looked_at(who, delta):
+	maker_node.on_looked_at(who, delta)
+

scripts/player.gd

@@ -103,6 +103,13 @@ func _process(delta):
 		if "record" in player_info:
 			recording.time += delta
 
+		# on_looked_at is a special method for objects that need to respond to being looked at
+		# This was the best way to implement Hero 1's passive ability,
+		# But it'll probably come in handy more often so I made it kinda universal
+		var looking_at = pick()
+		if looking_at and looking_at.has_method("on_looked_at"):
+			looking_at.on_looked_at(self, delta)
+
 func _integrate_forces(state):
 	if is_network_master():
 		control_player(state)