Replace world shadows with player blob shadows

player/materials/player_blob_shadow.gdshader

@@ -0,0 +1,13 @@
+shader_type spatial;
+render_mode blend_mix, depth_draw_never, cull_disabled, unshaded;
+
+uniform vec4 shadow_color : source_color = vec4(0.035, 0.105, 0.125, 0.18);
+uniform float inner_softness : hint_range(0.0, 0.8, 0.01) = 0.05;
+
+void fragment() {
+	vec2 centered_uv = (UV - vec2(0.5)) * 2.0;
+	float radial_distance = dot(centered_uv, centered_uv);
+	float falloff = 1.0 - smoothstep(inner_softness, 1.0, radial_distance);
+	ALBEDO = shadow_color.rgb;
+	ALPHA = shadow_color.a * falloff;
+}

player/materials/player_blob_shadow.gdshader.uid

@@ -0,0 +1 @@
+uid://cd16fw0yye48e

player/materials/player_blob_shadow.tres

@@ -0,0 +1,7 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3]
+
+[ext_resource type="Shader" path="res://player/materials/player_blob_shadow.gdshader" id="1_shader"]
+
+[resource]
+render_priority = 1
+shader = ExtResource("1_shader")

player/player.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=18 format=3]
+[gd_scene load_steps=21 format=3]
 
 [ext_resource type="Script" path="res://player/player.gd" id="1_script"]
 [ext_resource type="Script" path="res://inventory/fish_inventory.gd" id="2_inventory"]
@@ -10,6 +10,8 @@
 [ext_resource type="Script" path="res://progression/player_fishing_upgrades.gd" id="8_upgrades"]
 [ext_resource type="Script" path="res://progression/player_item_effects.gd" id="9_effects"]
 [ext_resource type="Script" path="res://progression/player_cooler_capacity.gd" id="10_capacity"]
+[ext_resource type="Script" path="res://player/player_ground_shadow.gd" id="11_ground_shadow"]
+[ext_resource type="Material" path="res://player/materials/player_blob_shadow.tres" id="12_blob_shadow"]
 
 [sub_resource type="CapsuleShape3D" id="PlayerShape"]
 radius = 0.45
@@ -37,6 +39,10 @@ height = 1.2
 albedo_color = Color(0.22, 0.12, 0.06, 1)
 roughness = 0.8
 
+[sub_resource type="QuadMesh" id="GroundShadowMesh"]
+material = ExtResource("12_blob_shadow")
+size = Vector2(1.15, 0.72)
+
 [node name="Player" type="CharacterBody3D"]
 collision_layer = 2
 collision_mask = 1
@@ -49,6 +55,25 @@ shape = SubResource("PlayerShape")
 [node name="Visuals" type="Node3D" parent="."]
 unique_name_in_owner = true
 
+[node name="GroundShadow" type="Node3D" parent="."]
+script = ExtResource("11_ground_shadow")
+
+[node name="GroundProbe" type="RayCast3D" parent="GroundShadow"]
+unique_name_in_owner = true
+position = Vector3(0, 0.45, 0)
+target_position = Vector3(0, -4.5, 0)
+collision_mask = 9
+collide_with_areas = true
+
+[node name="GroundShadowPlacement" type="Node3D" parent="GroundShadow"]
+unique_name_in_owner = true
+
+[node name="GroundShadowVisual" type="MeshInstance3D" parent="GroundShadow/GroundShadowPlacement"]
+unique_name_in_owner = true
+rotation_degrees = Vector3(-90, 0, 0)
+cast_shadow = 0
+mesh = SubResource("GroundShadowMesh")
+
 [node name="MeshInstance3D" type="MeshInstance3D" parent="Visuals"]
 position = Vector3(0, 0.9, 0)
 mesh = SubResource("PlayerMesh")

player/player_ground_shadow.gd

@@ -0,0 +1,66 @@
+class_name PlayerGroundShadow
+extends Node3D
+
+@export_range(0.0, 0.1, 0.001) var surface_offset: float = 0.018
+@export_range(0.0, 0.5, 0.01) var full_opacity_height: float = 0.12
+@export_range(0.5, 4.0, 0.05) var fade_end_height: float = 2.0
+@export_range(1.0, 20.0, 0.5) var fade_speed: float = 10.0
+@export_range(0.25, 1.0, 0.01) var airborne_scale: float = 0.72
+
+@onready var _player := get_parent() as Player
+@onready var _ground_probe: RayCast3D = %GroundProbe
+@onready var _placement: Node3D = %GroundShadowPlacement
+@onready var _visual: MeshInstance3D = %GroundShadowVisual
+
+var _opacity: float = 0.0
+var _visual_scale: float = 1.0
+
+
+func _ready() -> void:
+	_visual.visible = false
+
+
+func _physics_process(delta: float) -> void:
+	_ground_probe.force_raycast_update()
+	var target_opacity := 0.0
+	var target_scale := airborne_scale
+	var can_place := (
+		_player != null
+		and _player.is_remote_presentation_visible()
+		and not _player.is_water_recovery_active()
+		and _ground_probe.is_colliding()
+		and not (_ground_probe.get_collider() is PlayerWaterTrigger)
+	)
+	if can_place:
+		var hit_position: Vector3 = _ground_probe.get_collision_point()
+		var hit_normal: Vector3 = _ground_probe.get_collision_normal().normalized()
+		var height := maxf(global_position.y - hit_position.y, 0.0)
+		var height_fade := 1.0 - smoothstep(
+			full_opacity_height,
+			fade_end_height,
+			height,
+		)
+		target_opacity = height_fade
+		target_scale = lerpf(airborne_scale, 1.0, height_fade)
+		_place_on_surface(hit_position, hit_normal)
+	_opacity = move_toward(_opacity, target_opacity, fade_speed * delta)
+	_visual_scale = move_toward(
+		_visual_scale,
+		target_scale,
+		fade_speed * 0.35 * delta,
+	)
+	_placement.scale = Vector3.ONE * _visual_scale
+	_visual.visible = _opacity > 0.001
+	_visual.transparency = 1.0 - _opacity
+
+
+func _place_on_surface(position: Vector3, normal: Vector3) -> void:
+	var tangent := Vector3.RIGHT - normal * Vector3.RIGHT.dot(normal)
+	if tangent.length_squared() < 0.001:
+		tangent = Vector3.FORWARD - normal * Vector3.FORWARD.dot(normal)
+	tangent = tangent.normalized()
+	var bitangent := tangent.cross(normal).normalized()
+	_placement.global_transform = Transform3D(
+		Basis(tangent, normal, bitangent),
+		position + normal * surface_offset,
+	)

player/player_ground_shadow.gd.uid

@@ -0,0 +1 @@
+uid://i8vkdcyckug3