Adding procedural textures to the ground

assets/texture/sky.png.import

@@ -2,16 +2,16 @@
 
 importer="texture"
 type="CompressedTexture2D"
-uid="uid://dtvde6oxrfuk1"
-path="res://.godot/imported/ground.jpg-2eec989771def1cab2ea361da548425a.ctex"
+uid="uid://c84bc7d0f8gtn"
+path="res://.godot/imported/sky.png-797942cf14c3d3c2fe0d423f60874e07.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://assets/texture/ground.jpg"
-dest_files=["res://.godot/imported/ground.jpg-2eec989771def1cab2ea361da548425a.ctex"]
+source_file="res://assets/texture/sky.png"
+dest_files=["res://.godot/imported/sky.png-797942cf14c3d3c2fe0d423f60874e07.ctex"]
 
 [params]
 
@@ -21,7 +21,7 @@ compress/lossy_quality=0.7
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
-mipmaps/generate=true
+mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""

assets/texture/sol_gamejam_fleurs.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bkwi6yurko7gm"
+path="res://.godot/imported/sol_gamejam_fleurs.png-6738458a238310dbe8f60c5cf63411e2.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/texture/sol_gamejam_fleurs.png"
+dest_files=["res://.godot/imported/sol_gamejam_fleurs.png-6738458a238310dbe8f60c5cf63411e2.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+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=1

assets/texture/sol_gamejam_mort.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://6h5ieh6ba7re"
+path="res://.godot/imported/sol_gamejam_mort.png-7c2094d2cb902ffcfaa9567b3e7302ae.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/texture/sol_gamejam_mort.png"
+dest_files=["res://.godot/imported/sol_gamejam_mort.png-7c2094d2cb902ffcfaa9567b3e7302ae.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+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=1

assets/texture/sol_gamejam_normal.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c85s1vwryvngb"
+path="res://.godot/imported/sol_gamejam_normal.png-1de8f8345ab1c6fba1ed806c59d2001e.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/texture/sol_gamejam_normal.png"
+dest_files=["res://.godot/imported/sol_gamejam_normal.png-1de8f8345ab1c6fba1ed806c59d2001e.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+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=1

scenes/Map.tscn

@@ -1,21 +1,72 @@
-[gd_scene load_steps=5 format=3 uid="uid://d3hul8b7hlmj7"]
+[gd_scene load_steps=14 format=3 uid="uid://d3hul8b7hlmj7"]
 
 [ext_resource type="Script" path="res://scripts/map.gd" id="1_3np0o"]
 [ext_resource type="PackedScene" uid="uid://6ferubyu2uy1" path="res://scenes/Scanners.tscn" id="1_6mlj0"]
-[ext_resource type="Texture2D" uid="uid://dtvde6oxrfuk1" path="res://assets/texture/ground.jpg" id="3_20ci8"]
-[ext_resource type="PackedScene" uid="uid://cj457q2fx5mim" path="res://objects/Animal.tscn" id="4_pkphc"]
+[ext_resource type="PackedScene" path="res://objects/Animal.tscn" id="4_pkphc"]
+[ext_resource type="Texture2D" uid="uid://c84bc7d0f8gtn" path="res://assets/texture/sky.png" id="4_uy8vn"]
+[ext_resource type="Texture2D" uid="uid://bkwi6yurko7gm" path="res://assets/texture/sol_gamejam_fleurs.png" id="5_6sl35"]
+[ext_resource type="Shader" path="res://scripts/shaders/TextureSplit.gdshader" id="5_iqvbx"]
+[ext_resource type="Texture2D" uid="uid://6h5ieh6ba7re" path="res://assets/texture/sol_gamejam_mort.png" id="6_wj5l3"]
+[ext_resource type="Texture2D" uid="uid://c85s1vwryvngb" path="res://assets/texture/sol_gamejam_normal.png" id="7_iuq0o"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_h3thu"]
+shader = ExtResource("5_iqvbx")
+shader_parameter/data_texture_size = null
+shader_parameter/texture_low_threshold = 0.3
+shader_parameter/texture_high_threshold = 0.7
+shader_parameter/dimension = null
+shader_parameter/texture_size = Vector2(384, 216)
+shader_parameter/smooth_change_range = 0.15
+shader_parameter/texture_low = ExtResource("6_wj5l3")
+shader_parameter/texture_medium = ExtResource("7_iuq0o")
+shader_parameter/texture_high = ExtResource("5_6sl35")
+
+[sub_resource type="CompressedTexture2D" id="CompressedTexture2D_rhtup"]
+load_path = "res://.godot/imported/normal.png-c44c610586e914477a8ee139158bfa7e.ctex"
+
+[sub_resource type="Gradient" id="Gradient_u5wcm"]
+offsets = PackedFloat32Array(1)
+colors = PackedColorArray(0.481789, 0.481789, 0.481789, 0)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_hwe6p"]
+gradient = SubResource("Gradient_u5wcm")
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_4rqj7"]
+shader = ExtResource("5_iqvbx")
+shader_parameter/data_texture_size = Vector2(1000, 1000)
+shader_parameter/texture_low_threshold = 0.3
+shader_parameter/texture_high_threshold = 0.711
+shader_parameter/dimension = 1
+shader_parameter/texture_size = Vector2(100, 100)
+shader_parameter/smooth_change_range = 0.0
+shader_parameter/texture_medium = SubResource("GradientTexture1D_hwe6p")
 
 [node name="Map" type="Node2D"]
 script = ExtResource("1_3np0o")
 
 [node name="Scanners" parent="." instance=ExtResource("1_6mlj0")]
 
+[node name="OutOfBound" type="Polygon2D" parent="."]
+z_index = -3
+texture_repeat = 2
+texture = ExtResource("4_uy8vn")
+texture_scale = Vector2(5, 5)
+
 [node name="Ground" type="Polygon2D" parent="."]
+z_index = -2
+texture_repeat = 2
+material = SubResource("ShaderMaterial_h3thu")
+texture = SubResource("CompressedTexture2D_rhtup")
+texture_scale = Vector2(5, 5)
+
+[node name="Fertility" type="Polygon2D" parent="."]
+visible = false
 z_index = -1
 texture_repeat = 2
-texture = ExtResource("3_20ci8")
+material = SubResource("ShaderMaterial_4rqj7")
+color = Color(1, 1, 1, 0)
 texture_scale = Vector2(5, 5)
-polygon = PackedVector2Array(571, 76, 228, 282, 987, 657, 1379, 208)
+polygon = PackedVector2Array(27, 788, 54, 1452, 1715, 1163, 1439, -501, -416, -340)
 
 [node name="Animals" type="Node" parent="."]
 

scripts/camera.gd

@@ -16,7 +16,6 @@ func _process(delta):
 	
 	if Input.is_action_pressed("grab"):
 		var grabbing_movement = mouse_last_global_position - get_global_mouse_position()
-		print(grabbing_movement)
 		movement += grabbing_movement
 	
 	var mouse_pos = get_viewport().get_mouse_position()

scripts/map.gd

@@ -2,16 +2,31 @@ class_name Map
 
 extends Node2D
 
+const OUT_OF_BOUND_DIST = 2000
+
 @export var n_animals_to_liberate := 4
 
 func _ready():
 	var map_size = GameTerrain.TERRAIN_SIZE * GameTerrain.MAP_RATIO
 	
-	$Ground.set_polygon(PackedVector2Array([
-		Vector2(0,0),
-		Vector2(map_size.x, 0),
-		Vector2(map_size.x, map_size.y),
-		Vector2(0, map_size.y),
+	for polygon in [$Ground, $Fertility]:
+		polygon.set_polygon(PackedVector2Array([
+			Vector2(0,0),
+			Vector2(map_size.x, 0),
+			Vector2(map_size.x, map_size.y),
+			Vector2(0, map_size.y),
+		]))
+		polygon.material.set_shader_parameter("data_texture", GameTerrain.texture)
+		polygon.material.set_shader_parameter(
+			"data_texture_size", 
+			GameTerrain.TERRAIN_SIZE * GameTerrain.MAP_RATIO
+		)
+	
+	$OutOfBound.set_polygon(PackedVector2Array([
+		Vector2(-OUT_OF_BOUND_DIST,-OUT_OF_BOUND_DIST),
+		Vector2(map_size.x + OUT_OF_BOUND_DIST, -OUT_OF_BOUND_DIST),
+		Vector2(map_size.x + OUT_OF_BOUND_DIST, map_size.y + OUT_OF_BOUND_DIST),
+		Vector2(-OUT_OF_BOUND_DIST, map_size.y + OUT_OF_BOUND_DIST),
 	]))
 
 func _on_gui_scanner_selected(type : Scanners.Type):

scripts/shaders/TextureSplit.gdshader

@@ -0,0 +1,57 @@
+shader_type canvas_item;
+
+#define pow2(x) (x * x)
+#define iResolution 1.0/SCREEN_PIXEL_SIZE
+
+uniform sampler2D data_texture;
+uniform vec2 data_texture_size;
+uniform sampler2D texture_low : filter_nearest, repeat_enable;
+uniform float texture_low_threshold : hint_range(0, 1) = 0.3;
+uniform sampler2D texture_medium : filter_nearest, repeat_enable;
+uniform sampler2D texture_high : filter_nearest, repeat_enable;
+uniform float texture_high_threshold : hint_range(0, 1) = 0.7;
+
+uniform int dimension;
+uniform vec2 texture_size = vec2(100,100);
+
+uniform float smooth_change_range = 0.15;
+
+varying vec2 vert;
+
+void vertex() {
+	vert = VERTEX;
+}
+
+void fragment() {
+	vec4 pixel_color = texture(data_texture, vert/data_texture_size);
+	float value = pixel_color.x;
+	if (dimension == 1) value = pixel_color.y;
+	if (dimension == 2) value = pixel_color.z;
+	
+	vec4 color = texture(texture_medium, vert/texture_size);
+	
+	if (value < texture_low_threshold)
+		color = 
+			min(
+				(texture_low_threshold - value) / smooth_change_range, 
+				1.0
+			) * texture(texture_low, vert/texture_size) 
+			+ (1.0 - min(
+					(texture_low_threshold - value) / smooth_change_range, 
+					1.0
+				)
+			) * texture(texture_medium, vert/texture_size);
+	if (value > texture_high_threshold)
+		color = 
+			min(
+				(value - texture_high_threshold) / smooth_change_range, 
+				1.0
+			) * texture(texture_high, vert/texture_size) 
+			+ (1.0 - min(
+					(value - texture_high_threshold) / smooth_change_range, 
+					1.0
+				)
+			) * texture(texture_medium, vert/texture_size);
+	
+	COLOR = color;
+}

scripts/terrain.gd

@@ -151,11 +151,29 @@ func get_stat(
 func setup_texture( 
 	levels : Vector3i
 ):
+	var water_noise := generate_noise()
+	var fertility_noise := generate_noise()
+	
 	for x in range(0, TERRAIN_SIZE.x) :
 		for y in range(0, TERRAIN_SIZE.y):
-			set_pixel(Vector2i(x,y), levels)
+			set_pixel(
+				Vector2i(x,y), 
+				Vector3i(
+					color_value_to_level(water_noise.get_noise_2d(x, y)),
+					color_value_to_level(fertility_noise.get_noise_2d(x, y)/2),
+					-5
+				)
+			)
 	update_texture()
 
+func generate_noise() -> Noise:
+	var noise := FastNoiseLite.new()
+	noise.seed = randi()
+	noise.fractal_lacunarity = 1
+	noise.frequency = 0.005
+	
+	return noise
+
 func update_texture():
 	texture.update(image)