Add grass texture and soften world lighting

art/exported/environment/textures/grass_olive_tile.png.import

@@ -0,0 +1,41 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://btxhq3rdlum2"
+path.s3tc="res://.godot/imported/grass_olive_tile.png-72072a382d0948818df97773afa5493f.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://art/exported/environment/textures/grass_olive_tile.png"
+dest_files=["res://.godot/imported/grass_olive_tile.png-72072a382d0948818df97773afa5493f.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

world/materials/starter_island_grass.tres

@@ -0,0 +1,10 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3]
+
+[ext_resource type="Texture2D" path="res://art/exported/environment/textures/grass_olive_tile.png" id="1_texture"]
+
+[resource]
+resource_name = "Starter Island Grass"
+texture_filter = 4
+albedo_texture = ExtResource("1_texture")
+roughness = 1.0
+uv1_scale = Vector3(21.406, 21.406, 21.406)

world/regions/starter_island_region.gd

@@ -19,8 +19,13 @@ const FishingShopInteractionType = preload(
 	^"Interactables/PelicanCoolerPerch"
 )
 
+@export_group("Grass Surface")
+@export var grass_material: Material
+@export_range(0, 16, 1) var grass_surface_index: int = 0
+
 
 func _ready() -> void:
+	_apply_grass_material()
 	_build_terrain_collision()
 
 
@@ -44,6 +49,28 @@ func has_terrain_collision() -> bool:
 	return collision_shape != null and collision_shape.shape != null
 
 
+func _apply_grass_material() -> void:
+	var visual_mesh: MeshInstance3D = (
+		get_node_or_null(visual_mesh_path) as MeshInstance3D
+	)
+	if visual_mesh == null or visual_mesh.mesh == null:
+		push_error("Starter island visual mesh is unavailable.")
+		return
+	if grass_material == null:
+		push_error("Starter island grass material is unavailable.")
+		return
+	if grass_surface_index >= visual_mesh.mesh.get_surface_count():
+		push_error("Starter island grass surface index is invalid.")
+		return
+	if visual_mesh.mesh.surface_get_name(grass_surface_index) != "grass":
+		push_error("Starter island grass surface name does not match.")
+		return
+	visual_mesh.set_surface_override_material(
+		grass_surface_index,
+		grass_material
+	)
+
+
 func _build_terrain_collision() -> void:
 	var visual_mesh: MeshInstance3D = (
 		get_node_or_null(visual_mesh_path) as MeshInstance3D

world/regions/starter_island_region.tscn

@@ -8,6 +8,7 @@
 [ext_resource type="Script" path="res://world/safe_respawn_point.gd" id="6_safe"]
 [ext_resource type="PackedScene" path="res://world/interactables/fishing_shop_world.tscn" id="7_shop"]
 [ext_resource type="PackedScene" path="res://world/interactables/pelican_buyer_world.tscn" id="8_pelican"]
+[ext_resource type="Material" path="res://world/materials/starter_island_grass.tres" id="9_grass"]
 
 [sub_resource type="StandardMaterial3D" id="WaterMaterial"]
 transparency = 1
@@ -46,6 +47,7 @@ size = Vector3(11.5, 4.8, 8.5)
 
 [node name="StarterIslandRegion" type="Node3D"]
 script = ExtResource("1_region")
+grass_material = ExtResource("9_grass")
 region_id = &"starter_island"
 
 [node name="Visuals" type="Node3D" parent="."]

world/test_world.tscn

@@ -6,10 +6,21 @@
 
 [sub_resource type="Environment" id="Environment"]
 background_mode = 1
-background_color = Color(0.48, 0.74, 0.92, 1)
+background_color = Color(0.58, 0.72, 0.82, 1)
+background_energy_multiplier = 0.85
 ambient_light_source = 3
-ambient_light_color = Color(0.72, 0.78, 0.84, 1)
+ambient_light_color = Color(0.78, 0.84, 0.92, 1)
-ambient_light_energy = 0.72
+ambient_light_energy = 0.95
+fog_enabled = true
+fog_light_color = Color(0.62, 0.73, 0.8, 1)
+fog_light_energy = 0.75
+fog_density = 0.0025
+fog_aerial_perspective = 0.2
+fog_sky_affect = 0.15
+adjustment_enabled = true
+adjustment_brightness = 0.9
+adjustment_contrast = 0.89
+adjustment_saturation = 0.91
 
 [sub_resource type="BoxShape3D" id="NorthSouthBoundsShape"]
 size = Vector3(120, 14, 2)
@@ -30,8 +41,11 @@ environment = SubResource("Environment")
 
 [node name="Sun" type="DirectionalLight3D" parent="Environment"]
 rotation_degrees = Vector3(-54, -32, 0)
-light_energy = 1.1
+light_color = Color(1, 0.94, 0.88, 1)
+light_energy = 0.68
 shadow_enabled = true
+shadow_opacity = 0.58
+shadow_blur = 2.0
 
 [node name="Regions" type="Node3D" parent="."]