From be3d7a9afc1e33b20ed624c86c760feb680c3d3d Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Sun, 3 Apr 2022 00:14:57 +0200
Subject: [PATCH] :sparkles: Add dynamic music

---
 src/levels/Game.tscn        | 23 ++++++++++++++---------
 src/levels/PhaseOneMusic.gd | 22 ++++++++++++++++++++++
 2 files changed, 36 insertions(+), 9 deletions(-)
 create mode 100644 src/levels/PhaseOneMusic.gd

diff --git a/src/levels/Game.tscn b/src/levels/Game.tscn
index 01f245d..2a29094 100644
--- a/src/levels/Game.tscn
+++ b/src/levels/Game.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=11 format=2]
+[gd_scene load_steps=12 format=2]
 
 [ext_resource path="res://src/mechanics/Background.tscn" type="PackedScene" id=1]
 [ext_resource path="res://src/mechanics/Darkness.tscn" type="PackedScene" id=2]
@@ -10,6 +10,7 @@
 [ext_resource path="res://src/music/BaseChoir.mp3" type="AudioStream" id=8]
 [ext_resource path="res://src/music/BaseDrum.mp3" type="AudioStream" id=9]
 [ext_resource path="res://src/music/BaseBell.mp3" type="AudioStream" id=10]
+[ext_resource path="res://src/levels/PhaseOneMusic.gd" type="Script" id=11]
 
 [node name="Game" type="Node2D"]
 script = ExtResource( 6 )
@@ -18,17 +19,22 @@ script = ExtResource( 6 )
 layer = 0
 
 [node name="PhaseOneMusic" type="Node" parent="PhaseOne"]
+script = ExtResource( 11 )
+fire_path = NodePath("../PhaseOneContainer/Fire")
 
-[node name="BaseBell" type="AudioStreamPlayer" parent="PhaseOne/PhaseOneMusic"]
+[node name="Bell" type="AudioStreamPlayer" parent="PhaseOne/PhaseOneMusic"]
 stream = ExtResource( 10 )
+volume_db = -60.0
 autoplay = true
 
-[node name="BaseChoir" type="AudioStreamPlayer" parent="PhaseOne/PhaseOneMusic"]
+[node name="Choir" type="AudioStreamPlayer" parent="PhaseOne/PhaseOneMusic"]
 stream = ExtResource( 8 )
+volume_db = -60.0
 autoplay = true
 
-[node name="BaseDrum" type="AudioStreamPlayer" parent="PhaseOne/PhaseOneMusic"]
+[node name="Drum" type="AudioStreamPlayer" parent="PhaseOne/PhaseOneMusic"]
 stream = ExtResource( 9 )
+volume_db = -60.0
 autoplay = true
 
 [node name="PhaseOneContainer" type="Node2D" parent="PhaseOne"]
@@ -39,17 +45,16 @@ tile_data = PoolIntArray( 0, 2, 0, 1, 2, 0, 2, 2, 0, 3, 2, 0, 4, 2, 0, 5, 2, 0,
 [node name="Darkness" parent="PhaseOne/PhaseOneContainer" instance=ExtResource( 2 )]
 position = Vector2( 553, 296 )
 
-[node name="Fire" parent="PhaseOne/PhaseOneContainer" instance=ExtResource( 3 )]
-position = Vector2( 597, 323 )
-script = null
-
 [node name="Player" parent="PhaseOne/PhaseOneContainer" instance=ExtResource( 4 )]
 position = Vector2( 500, 438 )
 
 [node name="Enemy" parent="PhaseOne/PhaseOneContainer" instance=ExtResource( 5 )]
-visible = false
 position = Vector2( 755, 508 )
 
+[node name="Fire" parent="PhaseOne/PhaseOneContainer" instance=ExtResource( 3 )]
+position = Vector2( 493, 305 )
+intensity = 0.3
+
 [node name="UserInterface" type="CanvasLayer" parent="."]
 
 [node name="UserIntefaceContainer" type="Panel" parent="UserInterface"]
diff --git a/src/levels/PhaseOneMusic.gd b/src/levels/PhaseOneMusic.gd
new file mode 100644
index 0000000..31c9c28
--- /dev/null
+++ b/src/levels/PhaseOneMusic.gd
@@ -0,0 +1,22 @@
+extends Node
+
+export var fire_path: NodePath
+
+export var choir_min: float = 0.05
+export var choir_max: float = 0.20
+export var bell_min: float = 0.20
+export var bell_max: float = 0.60
+export var drum_min: float = 0.40
+export var drum_max: float = 0.80
+
+
+func _ready():
+	var fire = get_node(fire_path)
+	fire.connect("intensity_changed", self, "_on_fire_intensity_changed")
+
+
+func _on_fire_intensity_changed(value):
+	$Choir.volume_db = (smoothstep(choir_min, choir_max, value) - 1) * 60
+	$Bell.volume_db = (smoothstep(bell_min, bell_max, value) - 1) * 60
+	$Drum.volume_db = (smoothstep(drum_min, drum_max, value) - 1) * 60
+	pass