1 files changed, 117 insertions, 0 deletions
diff --git a/scripts/enemies.gd b/scripts/enemies.gd
new file mode 100644
index 0000000..068814a
--- /dev/null
+++ b/scripts/enemies.gd
@@ -0,0 +1,117 @@
+extends Node
+
+var _path
+var _enemy_blue
+var _dissolve_mat
+
+var _fx_holder
+var _fx_enemy_damage
+
+var _shapes = {}
+
+var serial_enemy = 0
+var enemies = {}
+
+
+func _ready():
+	_fx_holder = get_tree().root.get_child(0).find_node("fx")
+	_path = get_tree().root.get_child(0).find_node("path")
+	_dissolve_mat = load("res://shaders/dissolve_mat.tres")
+	_enemy_blue = load("res://scenes/enemy.tscn")
+	_fx_enemy_damage = load("res://scenes/fx/enemy_damage.tscn")
+	
+	load_shapes()
+	
+func load_shapes():
+	_shapes = {}
+	var dir = Directory.new()
+	dir.open("res://models/shapes")
+	dir.list_dir_begin(true)
+	var shape = dir.get_next()
+	while shape != "":
+		if (shape.ends_with(".glb")):
+			var model = load("res://models/shapes/" + shape)
+			var sname = shape.substr(0, shape.length()-4)
+			_shapes[sname] = model
+		shape = dir.get_next()
+
+func spawn():
+	var instance = _enemy_blue.instance()
+	add_child(instance)
+	instance.transform.origin = _path.nodes[0].transform.origin;
+	instance.name = str(serial_enemy)
+	var instance_model = _shapes[_shapes.keys()[randi() % _shapes.size()]].instance()
+	instance.add_child(instance_model)
+	var axis : Vector3 = Quat(Vector3(0, randf()*TAU, 0)) * Vector3.RIGHT 
+	enemies[serial_enemy] = { 
+		"cur": 0, "hp": 10, "rel": 0, "ops": instance_model.name,
+		"axis": [axis.x, axis.y, axis.z] }
+	serial_enemy += 1
+	
+func node_from_id (id):
+	return get_node(str(id))
+
+func _physics_process(delta):
+	var delist = []
+	for child in get_children():
+		var id = str(child.name).to_int()
+		var enemy = enemies[id]
+		
+		if enemy.hp <= 0:
+			if enemy.ops == "T":
+				delist.append(id)
+				enemy.rel = 0
+				continue
+			else:
+				child.get_node(enemy.ops).queue_free()
+				enemy.ops = enemy.ops.substr(1, enemy.ops.length()-1)
+				enemy.hp = 10
+				var instance_model = _shapes[enemy.ops].instance()
+				child.add_child(instance_model)
+			
+		var speed = 1
+		enemy.rel += speed * delta
+		while enemy.rel > 1: 
+			enemy.rel -= 1
+			enemy.cur += 1
+		
+		var destination = enemy.cur+1
+		if destination >= _path.nodes.size():
+			delist.append(id)
+			enemy.rel = 0
+			continue
+			
+		var from = _path.nodes[enemy.cur].transform.origin
+		var to = _path.nodes[destination].transform.origin
+		child.transform.origin = lerp(from, to, enemy.rel)
+		
+		var axis = Vector3(enemy.axis[0], enemy.axis[1], enemy.axis[2])
+		child.transform.basis = child.transform.basis.rotated(axis, delta)
+	
+	for id in delist:
+		get_node(str(id)).queue_free()
+		enemies.erase(id)
+
+
+func damage(name):
+	var id = int(name)
+	var enemy = enemies[id]
+	enemies[id].hp -= 1
+	
+	fx_damage(name)
+	
+func fx_damage(name):
+	var id = int(name)
+	var enemy = enemies[id]
+	
+	var instance = _fx_enemy_damage.instance()
+	_fx_holder.add_child(instance)
+	
+	var node = node_from_id(id)
+	instance.transform = node.transform;
+	instance.refresh_basis()
+	
+	var instance_model = _shapes[enemy["ops"]].instance()
+	instance.add_child(instance_model)
+	
+	instance.refresh_shader(_dissolve_mat)