Force shaders for blaster to be precompiled

Resolves #3.

effects/environment.tres

@@ -0,0 +1,18 @@
+[gd_resource type="Environment" load_steps=3 format=3 uid="uid://b7t3opwr35xen"]
+
+[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_i3osh"]
+sky_top_color = Color(1, 1, 1, 1)
+sky_horizon_color = Color(0.75, 0.75, 0.75, 1)
+ground_bottom_color = Color(0, 0, 0, 1)
+ground_horizon_color = Color(0.75, 0.75, 0.75, 1)
+
+[sub_resource type="Sky" id="Sky_qvksn"]
+sky_material = SubResource("ProceduralSkyMaterial_i3osh")
+
+[resource]
+background_mode = 1
+sky = SubResource("Sky_qvksn")
+ambient_light_source = 2
+ambient_light_color = Color(1, 1, 1, 1)
+ambient_light_energy = 0.25
+reflected_light_source = 1

game.tscn

@@ -1,13 +1,16 @@
-[gd_scene load_steps=36 format=3 uid="uid://sunhu71swcs2"]
+[gd_scene load_steps=37 format=3 uid="uid://sunhu71swcs2"]
 
+[ext_resource type="Script" path="res://utils/shader_precompiler.gd" id="1_kgmvv"]
 [ext_resource type="Script" path="res://galaxy/hyperspace_controller.gd" id="2_5gj7y"]
+[ext_resource type="PackedScene" uid="uid://b7tckdwyjwpso" path="res://weapons/blaster/blaster.tscn" id="2_bp704"]
 [ext_resource type="Script" path="res://effects/main_camera.gd" id="2_v5hns"]
 [ext_resource type="Resource" uid="uid://bcva4l4cpt70c" path="res://galaxy/main_galaxy.tres" id="3_j76v0"]
 [ext_resource type="Material" uid="uid://tpd4rufhhe4h" path="res://celestials/starfield/starfield.tres" id="3_vksuy"]
 [ext_resource type="Script" path="res://effects/hyperspace/hyperspace_effect.gd" id="4_bmy66"]
 [ext_resource type="Script" path="res://galaxy/star_systems/star_system.gd" id="4_oiv78"]
 [ext_resource type="AudioStream" uid="uid://cmjfgigj57eie" path="res://effects/hyperspace/hyperspace.ogg" id="5_jhe1g"]
 [ext_resource type="PackedScene" uid="uid://cqxv07b8bwiev" path="res://ships/ship.tscn" id="6_8inyn"]
+[ext_resource type="Environment" uid="uid://b7t3opwr35xen" path="res://effects/environment.tres" id="6_srnxb"]
 [ext_resource type="Script" path="res://ships/player.gd" id="7_6citj"]
 [ext_resource type="Resource" uid="uid://dc468i445pkgd" path="res://ships/corvette01/corvette01.tres" id="8_s4vsk"]
 [ext_resource type="PackedScene" uid="uid://2mdsbbko7baw" path="res://galaxy/star_systems/sol.tscn" id="10_vhe4b"]
@@ -24,28 +27,14 @@
 [ext_resource type="Script" path="res://gui/game_over.gd" id="22_g1tis"]
 [ext_resource type="Script" path="res://gui/fps_counter.gd" id="23_ncnr7"]
 
+[sub_resource type="World3D" id="World3D_pvg5q"]
+environment = ExtResource("6_srnxb")
+
 [sub_resource type="Resource" id="Resource_5wg57"]
 script = ExtResource("4_oiv78")
 name = &"Sol"
 connections = Array[StringName]([&"Alpha Centauri", &"Barnard\'s Star", &"Wolf 359"])
 
-[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_i3osh"]
-sky_top_color = Color(1, 1, 1, 1)
-sky_horizon_color = Color(0.75, 0.75, 0.75, 1)
-ground_bottom_color = Color(0, 0, 0, 1)
-ground_horizon_color = Color(0.75, 0.75, 0.75, 1)
-
-[sub_resource type="Sky" id="Sky_qvksn"]
-sky_material = SubResource("ProceduralSkyMaterial_i3osh")
-
-[sub_resource type="Environment" id="Environment_5laul"]
-background_mode = 1
-sky = SubResource("Sky_qvksn")
-ambient_light_source = 2
-ambient_light_color = Color(1, 1, 1, 1)
-ambient_light_energy = 0.25
-reflected_light_source = 1
-
 [sub_resource type="ViewportTexture" id="ViewportTexture_u0kwm"]
 viewport_path = NodePath("HyperspaceViewport")
 
@@ -94,13 +83,28 @@ shadow_size = 0
 
 [node name="Game" type="Node3D"]
 
+[node name="ShaderPrecompiler" type="SubViewport" parent="."]
+world_3d = SubResource("World3D_pvg5q")
+gui_disable_input = true
+size = Vector2i(2048, 2048)
+render_target_update_mode = 4
+script = ExtResource("1_kgmvv")
+precompile = Array[PackedScene]([ExtResource("2_bp704")])
+
+[node name="Camera3D" type="Camera3D" parent="ShaderPrecompiler"]
+transform = Transform3D(1, -6.97574e-16, -1.5246e-23, -1.5246e-23, -4.37114e-08, 1, -6.97574e-16, -1, -4.37114e-08, 2.08165e-12, 10, 2.08165e-12)
+projection = 1
+current = true
+near = 1.0
+far = 20.0
+
 [node name="HyperspaceController" type="Node" parent="."]
 script = ExtResource("2_5gj7y")
 galaxy = ExtResource("3_j76v0")
 current_system = SubResource("Resource_5wg57")
 
 [node name="WorldEnvironment" type="WorldEnvironment" parent="."]
-environment = SubResource("Environment_5laul")
+environment = ExtResource("6_srnxb")
 
 [node name="MainCamera" type="Camera3D" parent="." node_paths=PackedStringArray("follow_target")]
 transform = Transform3D(1, -6.97574e-16, 4.15924e-24, 4.15924e-24, 1.19249e-08, 1, -6.97574e-16, -1, 1.19249e-08, 2.08165e-12, 10, 2.08165e-12)

utils/shader_precompiler.gd

@@ -0,0 +1,19 @@
+extends SubViewport
+
+## Hacky way to precompile shaders and avoid hiccups when instantiating objects later.
+##
+## The listed scenes are prerendered to an offscreen texture, forcing shaders to be
+## compiled and everything loaded into memory. For some reason, this still doesn't
+## cut out _all_ of the hiccup later, but at least reduces it meaningfully.
+
+@export var precompile: Array[PackedScene] = []
+
+func _ready() -> void:
+    self.get_texture()
+
+    for scene in self.precompile:
+        var node := scene.instantiate()
+        self.add_child(node)
+
+    await RenderingServer.frame_post_draw
+    self.queue_free()