Add initial support for hardcoded terrain switching

brush_soft_mask.png.import

@@ -1,14 +0,0 @@
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-
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-type="Image"
-uid="uid://bbdh4btpg08do"
-path="res://.godot/imported/brush_soft_mask.png-211f364dba674d8d697543d1b1246d6a.image"
-
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-dest_files=["res://.godot/imported/brush_soft_mask.png-211f364dba674d8d697543d1b1246d6a.image"]
-
-[params]
-

editor/brush_soft_mask.png.import

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+[remap]
+
+importer="image"
+type="Image"
+uid="uid://bbdh4btpg08do"
+path="res://.godot/imported/brush_soft_mask.png-cec601fece9e15b1942ebb0d73b51015.image"
+
+[deps]
+
+source_file="res://editor/brush_soft_mask.png"
+dest_files=["res://.godot/imported/brush_soft_mask.png-cec601fece9e15b1942ebb0d73b51015.image"]
+
+[params]
+

terrain/default_albedo.png.import

@@ -3,8 +3,8 @@
 importer="texture"
 type="CompressedTexture2D"
 uid="uid://bgpk15qrqxly8"
-path.s3tc="res://.godot/imported/prototype_tiles_large_albedo.png-c3984e5db888f4b509766546fda5695b.s3tc.ctex"
-path.etc2="res://.godot/imported/prototype_tiles_large_albedo.png-c3984e5db888f4b509766546fda5695b.etc2.ctex"
+path.s3tc="res://.godot/imported/default_albedo.png-92a6d62c2ead547c4c35766bdeaf9065.s3tc.ctex"
+path.etc2="res://.godot/imported/default_albedo.png-92a6d62c2ead547c4c35766bdeaf9065.etc2.ctex"
 metadata={
 "imported_formats": ["s3tc", "etc2"],
 "vram_texture": true
@@ -12,8 +12,8 @@ metadata={
 
 [deps]
 
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+source_file="res://terrain/default_albedo.png"
+dest_files=["res://.godot/imported/default_albedo.png-92a6d62c2ead547c4c35766bdeaf9065.s3tc.ctex", "res://.godot/imported/default_albedo.png-92a6d62c2ead547c4c35766bdeaf9065.etc2.ctex"]
 
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terrain/desert_sand_albedo.png.import

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+path="res://.godot/imported/desert_sand_albedo.png-5307ce3455129127b5c6f3a135f5cbc7.ctex"
+metadata={
+"vram_texture": false
+}
+
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+
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+dest_files=["res://.godot/imported/desert_sand_albedo.png-5307ce3455129127b5c6f3a135f5cbc7.ctex"]
+
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+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/bptc_ldr=0
+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

terrain/desert_sand_depth.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cb4ldm1dda1bo"
+path="res://.godot/imported/desert_sand_depth.png-add0a002b33efe8fd04b2cf4bf524515.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=["res://.godot/imported/desert_sand_depth.png-add0a002b33efe8fd04b2cf4bf524515.ctex"]
+
+[params]
+
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+compress/lossy_quality=0.7
+compress/hdr_compression=1
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+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

terrain/desert_sand_normal.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c40cc5b5sq4yu"
+path="res://.godot/imported/desert_sand_normal.png-9b37ed7fc3712ce013db97500f604934.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://terrain/desert_sand_normal.png"
+dest_files=["res://.godot/imported/desert_sand_normal.png-9b37ed7fc3712ce013db97500f604934.ctex"]
+
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+
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+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

terrain_instance_3d.gd

@@ -37,105 +37,105 @@ var size: Vector2i = Vector2i.ZERO:
 ##
 ##
 @export
-var layer_1_albedo: Texture2D = null:
+var albedo_map: Texture2D = null:
 	get:
-		return layer_1_albedo
+		return albedo_map
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_1_ALBEDO", value)
+		self._material.set_shader_parameter("ALBEDO_MAP_0", value)
 
-		layer_1_albedo = value
+		albedo_map = value
 
 ##
 ##
 ##
 @export
-var layer_1_normal_map: Texture2D = null:
+var albedo_map_b: Texture2D = null:
 	get:
-		return layer_1_normal_map
+		return albedo_map_b
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_1_NORMAL_MAP", value)
+		self._material.set_shader_parameter("ALBEDO_MAP_B", value)
 
-		layer_1_normal_map = value
+		albedo_map_b = value
 
 ##
 ##
 ##
 @export
-var layer_2_albedo: Texture2D = null:
+var albedo_map_g: Texture2D = null:
 	get:
-		return layer_2_albedo
+		return albedo_map_g
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_2_ALBEDO", value)
+		self._material.set_shader_parameter("ALBEDO_MAP_G", value)
 
-		layer_2_albedo = value
+		albedo_map_g = value
 
 ##
 ##
 ##
 @export
-var layer_2_normal_map: Texture2D = null:
+var albedo_map_r: Texture2D = null:
 	get:
-		return layer_2_normal_map
+		return albedo_map_r
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_2_NORMAL_MAP", value)
+		self._material.set_shader_parameter("ALBEDO_MAP_R", value)
 
-		layer_2_normal_map = value
+		albedo_map_r = value
 
 ##
 ##
 ##
 @export
-var layer_3_albedo: Texture2D = null:
+var normal_map: Texture2D = null:
 	get:
-		return layer_3_albedo
+		return normal_map
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_3_ALBEDO", value)
+		self._material.set_shader_parameter("NORMAL_MAP_0", value)
 
-		layer_3_albedo = value
+		normal_map = value
 
 ##
 ##
 ##
 @export
-var layer_3_normal_map: Texture2D = null:
+var normal_map_b: Texture2D = null:
 	get:
-		return layer_3_normal_map
+		return normal_map_b
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_3_NORMAL_MAP", value)
+		self._material.set_shader_parameter("NORMAL_MAP_B", value)
 
-		layer_3_normal_map = value
+		normal_map_b = value
 
 ##
 ##
 ##
 @export
-var layer_4_albedo: Texture2D = null:
+var normal_map_g: Texture2D = null:
 	get:
-		return layer_4_albedo
+		return normal_map_g
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_4_ALBEDO", value)
+		self._material.set_shader_parameter("NORMAL_MAP_G", value)
 
-		layer_4_albedo = value
+		normal_map_g = value
 
 ##
 ##
 ##
 @export
-var layer_4_normal_map: Texture2D = null:
+var normal_map_r: Texture2D = null:
 	get:
-		return layer_4_normal_map
+		return normal_map_r
 
 	set(value):
-		self._material.set_shader_parameter("LAYER_4_NORMAL_MAP", value)
+		self._material.set_shader_parameter("ALBEDO_MAP_R", value)
 
-		layer_4_normal_map = value
+		normal_map_r = value
 
 ##
 ##

terrain_shader.gdshader

@@ -1,23 +1,23 @@
 shader_type spatial;
 
-uniform sampler2D LAYER_1_ALBEDO : hint_default_black;
+uniform sampler2D ALBEDO_MAP_0 : hint_default_black;
 
-uniform sampler2D LAYER_1_NORMAL_MAP : hint_default_black;
+uniform sampler2D ALBEDO_MAP_R : hint_default_black;
 
-uniform sampler2D LAYER_2_ALBEDO : hint_default_black;
+uniform sampler2D ALBEDO_MAP_G : hint_default_black;
 
-uniform sampler2D LAYER_2_NORMAL_MAP : hint_default_black;
-
-uniform sampler2D LAYER_3_ALBEDO : hint_default_black;
-
-uniform sampler2D LAYER_3_NORMAL_MAP : hint_default_black;
-
-uniform sampler2D LAYER_4_ALBEDO : hint_default_black;
-
-uniform sampler2D LAYER_4_NORMAL_MAP : hint_default_black;
+uniform sampler2D ALBEDO_MAP_B : hint_default_black;
 
 uniform float MAX_HEIGHT = 100.0;
 
+uniform sampler2D NORMAL_MAP_0 : hint_default_black;
+
+uniform sampler2D NORMAL_MAP_R : hint_default_black;
+
+uniform sampler2D NORMAL_MAP_G : hint_default_black;
+
+uniform sampler2D NORMAL_MAP_B : hint_default_black;
+
 uniform vec2 SIZE;
 
 uniform sampler2D TERRAIN_MAP : hint_default_transparent, repeat_disable;
@@ -28,15 +28,15 @@ void fragment() {
 	vec3 splat_map = texture(TERRAIN_MAP, UV).rgb;
 	float blank = clamp(1.0 - splat_map.r - splat_map.g - splat_map.b, 0.0, 1.0);
 
-	ALBEDO = blank * 0.5 * (texture(LAYER_1_ALBEDO, uv).rgb + texture(LAYER_1_ALBEDO, uv_alt).rgb);
-	ALBEDO += splat_map.r * 0.5 * (texture(LAYER_2_ALBEDO, uv).rgb + texture(LAYER_2_ALBEDO, uv_alt).rgb);
-	ALBEDO += splat_map.g * 0.5 * (texture(LAYER_3_ALBEDO, uv).rgb + texture(LAYER_3_ALBEDO, uv_alt).rgb);
-	ALBEDO += splat_map.b * 0.5 * (texture(LAYER_4_ALBEDO, uv).rgb + texture(LAYER_4_ALBEDO, uv_alt).rgb);
+	ALBEDO = blank * 0.5 * (texture(ALBEDO_MAP_0, uv).rgb + texture(ALBEDO_MAP_0, uv_alt).rgb);
+	ALBEDO += splat_map.r * 0.5 * (texture(ALBEDO_MAP_R, uv).rgb + texture(ALBEDO_MAP_R, uv_alt).rgb);
+	ALBEDO += splat_map.g * 0.5 * (texture(ALBEDO_MAP_G, uv).rgb + texture(ALBEDO_MAP_G, uv_alt).rgb);
+	ALBEDO += splat_map.b * 0.5 * (texture(ALBEDO_MAP_B, uv).rgb + texture(ALBEDO_MAP_B, uv_alt).rgb);
 
-	NORMAL_MAP = blank * 0.5 * (texture(LAYER_1_NORMAL_MAP, uv).rgb + texture(LAYER_1_NORMAL_MAP, uv_alt).rgb);
-	NORMAL_MAP += splat_map.r * 0.5 * (texture(LAYER_1_NORMAL_MAP, uv).rgb + texture(LAYER_2_NORMAL_MAP, uv_alt).rgb);
-	NORMAL_MAP += splat_map.g * 0.5 * (texture(LAYER_2_NORMAL_MAP, uv).rgb + texture(LAYER_3_NORMAL_MAP, uv_alt).rgb);
-	NORMAL_MAP += splat_map.b * 0.5 * (texture(LAYER_3_NORMAL_MAP, uv).rgb + texture(LAYER_4_NORMAL_MAP, uv_alt).rgb);
+	NORMAL_MAP = blank * 0.5 * (texture(NORMAL_MAP_0, uv).rgb + texture(NORMAL_MAP_0, uv_alt).rgb);
+	NORMAL_MAP += splat_map.r * 0.5 * (texture(NORMAL_MAP_R, uv).rgb + texture(NORMAL_MAP_R, uv_alt).rgb);
+	NORMAL_MAP += splat_map.g * 0.5 * (texture(NORMAL_MAP_G, uv).rgb + texture(NORMAL_MAP_G, uv_alt).rgb);
+	NORMAL_MAP += splat_map.b * 0.5 * (texture(NORMAL_MAP_B, uv).rgb + texture(NORMAL_MAP_B, uv_alt).rgb);
 }
 
 float height(vec2 uv) {