Add water section

game/world/test_level.tscn

@@ -17,6 +17,7 @@
 [ext_resource type="Resource" uid="uid://dlhup2358q214" path="res://data/pokeapi/moves/screech.tres" id="13_tfb7h"]
 [ext_resource type="Resource" uid="uid://cn40f7a0djras" path="res://data/pokeapi/pokemon/0124_jynx.tres" id="14_2rm86"]
 [ext_resource type="Script" uid="uid://chqysfkk1prdb" path="res://game/pokemon/trainer_data.gd" id="15_htcyl"]
+[ext_resource type="PackedScene" uid="uid://ca0wevg1lb4rx" path="res://utils/WaterMaker3D/WaterMaker3D.tscn" id="18_08mbr"]
 
 [sub_resource type="Environment" id="Environment_l60uw"]
 background_mode = 1
@@ -32,11 +33,43 @@ glow_enabled = true
 fog_enabled = true
 fog_light_color = Color(1, 1, 1, 1)
 fog_density = 0.001
+volumetric_fog_enabled = true
+volumetric_fog_density = 0.0
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_hh4m8"]
 albedo_texture = ExtResource("1_i3wuw")
 uv1_triplanar = true
 
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_08mbr"]
+resource_local_to_scene = true
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_tfb7h"]
+resource_local_to_scene = true
+noise = SubResource("FastNoiseLite_08mbr")
+seamless = true
+as_normal_map = true
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_2rm86"]
+resource_local_to_scene = true
+noise = SubResource("FastNoiseLite_08mbr")
+seamless = true
+as_normal_map = true
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_htcyl"]
+resource_local_to_scene = true
+transparency = 1
+cull_mode = 2
+depth_draw_mode = 1
+albedo_color = Color(0.30980393, 0.5411765, 0.8666667, 0.3882353)
+roughness = 0.0
+normal_enabled = true
+normal_texture = SubResource("NoiseTexture2D_tfb7h")
+refraction_enabled = true
+refraction_texture = SubResource("NoiseTexture2D_2rm86")
+uv1_scale = Vector3(0.04, 0.04, 0.04)
+uv1_triplanar = true
+uv1_world_triplanar = true
+
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_5osju"]
 albedo_texture = ExtResource("2_rcccy")
 uv1_triplanar = true
@@ -115,20 +148,30 @@ environment = SubResource("Environment_l60uw")
 
 [node name="map" type="Node3D" parent="." unique_id=2118568493]
 
-[node name="floor" type="Node3D" parent="map" unique_id=1571459167]
-
-[node name="CSGBox3D" type="CSGBox3D" parent="map/floor" unique_id=1246319742]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1, 0)
+[node name="floor" type="CSGBox3D" parent="map" unique_id=1246319742]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -10.50647, -5.586426, 0)
 material_override = SubResource("StandardMaterial3D_hh4m8")
 use_collision = true
-size = Vector3(40, 1, 40)
+size = Vector3(61.01294, 10.172852, 40)
 
-[node name="CSGBox3D2" type="CSGBox3D" parent="map/floor" unique_id=406023419]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.35, 15.041)
+[node name="water_area" type="CSGBox3D" parent="map/floor" unique_id=884797986]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -19.150932, 1.770874, 0)
+material_override = SubResource("StandardMaterial3D_hh4m8")
+operation = 2
+use_collision = true
+size = Vector3(18.658081, 8.878174, 32.1709)
+
+[node name="battle_area" type="CSGBox3D" parent="map/floor" unique_id=406023419]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 10.50647, 5.236426, 15.041)
 material_override = SubResource("StandardMaterial3D_hh4m8")
 use_collision = true
 size = Vector3(9, 0.3, 5)
 
+[node name="WaterMaker3D" parent="map" unique_id=673111270 instance=ExtResource("18_08mbr")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -29.73397, -4.4205165, -0.010149956)
+size = Vector3(19.148346, 7.7365723, 32.207764)
+material = SubResource("StandardMaterial3D_htcyl")
+
 [node name="box" type="CSGBox3D" parent="map" unique_id=498718915]
 transform = Transform3D(0.6727641, 0, -0.739857, 0, 1, 0, 0.739857, 0, 0.6727641, 3.424123, 0.049908042, 6.7458324)
 material_override = SubResource("StandardMaterial3D_5osju")

utils/WaterMaker3D/CameraWaterOverlay.gdshader

@@ -0,0 +1,37 @@
+shader_type canvas_item;
+
+uniform sampler2D screen_texture : hint_screen_texture;
+
+void fragment() {
+    vec2 uv = SCREEN_UV;
+
+    // Ripple effect
+    float rippleSpeed = 1.5;
+    float rippleDensity = 10.0;
+    float rippleStrength = 0.02;
+
+    // Calculate angle and distance from the center of the screen
+    vec2 center = vec2(0.5, 0.5);
+    vec2 delta = uv - center;
+    float distance = length(delta);
+    float angle = atan(delta.y, delta.x);
+
+    // Apply the ripple effect
+    uv.x += cos(angle * rippleDensity + TIME * rippleSpeed) * rippleStrength * distance;
+    uv.y += sin(angle * rippleDensity + TIME * rippleSpeed) * rippleStrength * distance;
+
+    // Simple blur effect
+    vec4 color = vec4(0.0);
+    float total = 0.0;
+    for (float x = -2.0; x <= 2.0; x++) {
+        for (float y = -2.0; y <= 2.0; y++) {
+            vec2 samplePos = uv + vec2(x, y) * 0.001; // Blur radius
+            color += texture(screen_texture, samplePos);
+            total += 1.0;
+        }
+    }
+    color /= total;
+
+    // Output the final color
+    COLOR = color;
+}

utils/WaterMaker3D/CameraWaterOverlay.gdshader.uid

@@ -0,0 +1 @@
+uid://co0evh1yuk11i

utils/WaterMaker3D/FogFade.gdshader

@@ -0,0 +1,24 @@
+shader_type fog;
+
+uniform float density : hint_range(0, 1, 0.0001) = 1.0;
+uniform vec4 albedo : source_color = vec4(1.0);
+uniform vec4 emission : source_color = vec4(0, 0, 0, 1);
+uniform float height_falloff = 0.0;
+uniform float edge_fade = 0.1;
+uniform sampler3D density_texture: hint_default_white;
+uniform vec4 fade_plane = vec4(0., 1., 0., -999.);
+
+void fog() {
+	DENSITY = density * clamp(exp2(-height_falloff * (WORLD_POSITION.y - OBJECT_POSITION.y)), 0.0, 1.0);
+	DENSITY *= texture(density_texture, UVW).r;
+	DENSITY *= pow(clamp(-2.0 * SDF / min(min(SIZE.x, SIZE.y), SIZE.z), 0.0, 1.0), edge_fade);
+	ALBEDO = albedo.rgb;
+	EMISSION = emission.rgb;
+	
+	// Anything above the fade plane will be drawn. Anything below has its density set to 0.
+	float fade_sharpness = 0.35; // Higher is faster fade
+	vec3 fade_plane_origin = fade_plane.xyz * fade_plane.w;
+	vec3 pos_rel_to_plane = WORLD_POSITION - fade_plane_origin;
+	float fade_mult = max(0., min(1., dot(pos_rel_to_plane, fade_plane.xyz) * fade_sharpness));
+	DENSITY *= fade_mult * albedo.a;
+}

utils/WaterMaker3D/FogFade.gdshader.uid

@@ -0,0 +1 @@
+uid://7a8yp0mgu34o

utils/WaterMaker3D/FogVolumeFadeScript.gd

@@ -0,0 +1,13 @@
+extends FogVolume
+
+@export var fade_distance := 5
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(_delta):
+	var cam = get_viewport().get_camera_3d() if get_viewport() else null
+	if cam:
+		var fade_plane_normal = cam.global_transform.basis.z * -1
+		var fade_plane_pos = cam.global_transform.origin + cam.global_transform.basis.z * -fade_distance
+		var fade_plane_distance = fade_plane_pos.dot(fade_plane_normal)
+		var fade_plane = Vector4(fade_plane_normal.x, fade_plane_normal.y, fade_plane_normal.z, fade_plane_distance)
+		self.material.set_shader_parameter("fade_plane", fade_plane)

utils/WaterMaker3D/FogVolumeFadeScript.gd.uid

@@ -0,0 +1 @@
+uid://cshu5qhg3t5yc

utils/WaterMaker3D/WaterMaker3D.gd

@@ -0,0 +1,54 @@
+@tool
+extends CSGBox3D
+
+@export var water_texture_move_speed := Vector3(0.0025, 0.0025, 0.0025)
+@export var water_texture_uv_scale := 0.04
+@export var water_color := Color(0.3098039329052, 0.54117649793625, 0.86666667461395, 0.38823530077934)
+@export var fog_color := Color(0, 0.04313725605607, 0.15686275064945)
+@export_range(0.0, 250.0) var fog_fade_dist := 5.0
+
+static var last_frame_drew_underwater_effect : int = -999
+
+func _ready():
+	self.process_priority = 999 # Call _process last to update move after any camera movement
+
+# Track the current camera with an area so we can check if it is inside the water
+func should_draw_camera_underwater_effect():
+	var camera := get_viewport().get_camera_3d() if get_viewport() else null
+	if not camera: return false
+	var aabb = self.global_transform * self.get_aabb().grow(0.025)
+	if not aabb.has_point(camera.global_position): return false
+	# Don't draw multiple overlays at once, incase 2 water bodies overlap
+	if last_frame_drew_underwater_effect == Engine.get_process_frames(): return false
+	
+	%CameraPosShapeCast3D.global_position = camera.global_position
+	%CameraPosShapeCast3D.force_shapecast_update()
+	var camera_is_in_water_area3d := false
+	for i in %CameraPosShapeCast3D.get_collision_count():
+		if %CameraPosShapeCast3D.get_collider(i) == %SwimmableArea3D:
+			return true
+	return false
+
+func _update_mesh():
+	if get_node_or_null("%CollisionShape3D"):
+		%CollisionShape3D.shape.size = self.size
+
+func _process(delta):
+	_update_mesh()
+	if self.material is StandardMaterial3D:
+		if not Engine.is_editor_hint():
+			self.material.uv1_offset += water_texture_move_speed * delta
+		self.material.uv1_scale = Vector3(water_texture_uv_scale,water_texture_uv_scale,water_texture_uv_scale)
+		self.material.albedo_color = water_color
+	%FogVolume.material.set_shader_parameter("albedo", fog_color)
+	%FogVolume.material.set_shader_parameter("emission", fog_color)
+	%FogVolume.size = self.size
+	%FogVolume.fade_distance = self.fog_fade_dist
+	if not Engine.is_editor_hint():
+		if should_draw_camera_underwater_effect():
+			%WaterRippleOverlay.visible = true
+			%FogVolume.material.set_shader_parameter("edge_fade", 0.1)
+			last_frame_drew_underwater_effect = Engine.get_process_frames()
+		else:
+			%WaterRippleOverlay.visible = false
+			%FogVolume.material.set_shader_parameter("edge_fade", 1.1)

utils/WaterMaker3D/WaterMaker3D.gd.uid

@@ -0,0 +1 @@
+uid://c6jwvpteq2e1k

utils/WaterMaker3D/WaterMaker3D.tscn

@@ -0,0 +1,96 @@
+[gd_scene load_steps=14 format=3 uid="uid://ca0wevg1lb4rx"]
+
+[ext_resource type="Script" path="res://utils/WaterMaker3D/WaterMaker3D.gd" id="1_7s6ww"]
+[ext_resource type="Shader" path="res://utils/WaterMaker3D/FogFade.gdshader" id="2_5f01f"]
+[ext_resource type="Shader" path="res://utils/WaterMaker3D/CameraWaterOverlay.gdshader" id="2_12cox"]
+[ext_resource type="Script" path="res://utils/WaterMaker3D/FogVolumeFadeScript.gd" id="3_b5ytn"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_1bimf"]
+resource_local_to_scene = true
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_mdx3j"]
+resource_local_to_scene = true
+seamless = true
+as_normal_map = true
+noise = SubResource("FastNoiseLite_1bimf")
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_xl6ub"]
+resource_local_to_scene = true
+seamless = true
+as_normal_map = true
+noise = SubResource("FastNoiseLite_1bimf")
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_gdho2"]
+resource_local_to_scene = true
+transparency = 1
+cull_mode = 2
+depth_draw_mode = 1
+albedo_color = Color(0.309804, 0.541176, 0.866667, 0.388235)
+roughness = 0.0
+normal_enabled = true
+normal_texture = SubResource("NoiseTexture2D_mdx3j")
+refraction_enabled = true
+refraction_texture = SubResource("NoiseTexture2D_xl6ub")
+uv1_scale = Vector3(0.04, 0.04, 0.04)
+uv1_triplanar = true
+uv1_world_triplanar = true
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_om5f8"]
+resource_local_to_scene = true
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_cfplo"]
+size = Vector3(0.1, 0.1, 0.1)
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_wrt5a"]
+resource_local_to_scene = true
+shader = ExtResource("2_5f01f")
+shader_parameter/density = 1.0
+shader_parameter/albedo = Color(0, 0.0431373, 0.156863, 1)
+shader_parameter/emission = Color(0, 0.0431373, 0.156863, 1)
+shader_parameter/height_falloff = 0.0
+shader_parameter/edge_fade = 0.1
+shader_parameter/fade_plane = Vector4(0, 1, 0, -999)
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_ccyp1"]
+shader = ExtResource("2_12cox")
+
+[sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_dcd7l"]
+
+[node name="WaterMaker3D" type="CSGBox3D"]
+process_priority = 999
+material = SubResource("StandardMaterial3D_gdho2")
+script = ExtResource("1_7s6ww")
+
+[node name="SwimmableArea3D" type="Area3D" parent="." groups=["water_area"]]
+unique_name_in_owner = true
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="SwimmableArea3D"]
+unique_name_in_owner = true
+shape = SubResource("BoxShape3D_om5f8")
+
+[node name="CameraPosShapeCast3D" type="ShapeCast3D" parent="."]
+unique_name_in_owner = true
+shape = SubResource("BoxShape3D_cfplo")
+target_position = Vector3(0, 0, 0)
+collide_with_areas = true
+collide_with_bodies = false
+
+[node name="FogVolume" type="FogVolume" parent="."]
+unique_name_in_owner = true
+size = Vector3(1, 1, 1)
+material = SubResource("ShaderMaterial_wrt5a")
+script = ExtResource("3_b5ytn")
+
+[node name="WaterRippleOverlay" type="TextureRect" parent="."]
+unique_name_in_owner = true
+visible = false
+z_index = -10
+z_as_relative = false
+material = SubResource("ShaderMaterial_ccyp1")
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+texture = SubResource("PlaceholderTexture2D_dcd7l")