Expand generated terrain with biome-driven props

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world/generation/chunks/definitions/chunk_0000.tres

@@ -11,4 +11,6 @@ packed_scene = ExtResource("2_scene")
 primary_mesh_name = &"chunk_0000"
 allowed_rotation_mask = 15
 selection_weight = 4.0
-tags = PackedStringArray("land", "grass", "flat")
+tags = PackedStringArray("land", "walkable", "grass", "flat", "spawn_safe")
+allowed_neighbor_tags = PackedStringArray("grass", "sand", "coast", "fresh_water")
+preferred_neighbor_tags = PackedStringArray("grass")

world/generation/chunks/definitions/chunk_0001.tres

@@ -11,4 +11,8 @@ packed_scene = ExtResource("2_scene")
 primary_mesh_name = &"chunk_0001"
 allowed_rotation_mask = 15
 selection_weight = 1.5
-tags = PackedStringArray("land", "sand", "flat")
+tags = PackedStringArray("land", "walkable", "sand", "flat")
+allowed_neighbor_tags = PackedStringArray("sand", "grass")
+required_neighbor_tags = PackedStringArray("coast")
+minimum_required_neighbors = 1
+preferred_neighbor_tags = PackedStringArray("coast", "sand")

world/generation/chunks/definitions/chunk_0002.tres

@@ -10,5 +10,10 @@ label = "beach"
 packed_scene = ExtResource("2_scene")
 primary_mesh_name = &"chunk_0002"
 selection_weight = 0.75
-maximum_placements = 10
-tags = PackedStringArray("land", "sand", "coast", "slope")
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+allowed_neighbor_tags = PackedStringArray("sand", "grass")
+required_neighbor_tags = PackedStringArray("sand")
+minimum_required_neighbors = 1
+preferred_neighbor_tags = PackedStringArray("sand", "grass")
+ocean_facing_edges = 2

world/generation/chunks/definitions/chunk_0003.tres

@@ -10,7 +10,9 @@ label = "stream"
 packed_scene = ExtResource("2_scene")
 primary_mesh_name = &"chunk_0003"
 selection_weight = 0.6
-tags = PackedStringArray("land", "fresh_water", "river", "flowing")
+tags = PackedStringArray("land", "walkable", "fresh_water", "river", "flowing")
+allowed_neighbor_tags = PackedStringArray("grass")
+preferred_neighbor_tags = PackedStringArray("grass")
 water_inlet_edges = 1
 water_outlet_edges = 4
 water_surface_size = Vector2(2.1, 10)

world/generation/chunks/definitions/chunk_0004.tres

@@ -10,7 +10,9 @@ label = "pond"
 packed_scene = ExtResource("2_scene")
 primary_mesh_name = &"chunk_0004"
 selection_weight = 0.35
-tags = PackedStringArray("land", "fresh_water", "pond")
+tags = PackedStringArray("land", "walkable", "fresh_water", "pond")
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+preferred_neighbor_tags = PackedStringArray("grass")
 water_inlet_edges = 1
 water_surface_size = Vector2(6.7, 7.75)
 water_surface_offset = Vector2(-0.32, -1.03)

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+north_allowed_neighbor_tags = PackedStringArray("coast")
+south_allowed_neighbor_tags = PackedStringArray("coast")
+west_allowed_neighbor_tags = PackedStringArray("grass")
+preferred_neighbor_tags = PackedStringArray("grass", "coast")
+prefers_map_boundary = true
+ocean_facing_edges = 2

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+label = "grass to beach ocean edge"
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+primary_mesh_name = &"chunk_0006"
+selection_weight = 0.35
+maximum_placements = 8
+tags = PackedStringArray("land", "walkable", "sand", "coast", "transition", "slope")
+allowed_neighbor_tags = PackedStringArray("grass", "sand", "coast")
+north_allowed_neighbor_tags = PackedStringArray("coast")
+south_allowed_neighbor_tags = PackedStringArray("grass_ocean_edge")
+west_allowed_neighbor_tags = PackedStringArray("grass")
+required_neighbor_tags = PackedStringArray("coast")
+minimum_required_neighbors = 2
+preferred_neighbor_tags = PackedStringArray("coast")
+prefers_map_boundary = true
+ocean_facing_edges = 2

world/generation/chunks/definitions/chunk_0007.tres

@@ -0,0 +1,22 @@
+[gd_resource type="Resource" script_class="TerrainChunkDefinition" load_steps=3 format=3]
+
+[ext_resource type="Script" path="res://world/generation/terrain_chunk_definition.gd" id="1_definition"]
+[ext_resource type="PackedScene" uid="uid://cniughsb3gacd" path="res://world/generation/chunks/assets/chunk_0007.glb" id="2_scene"]
+
+[resource]
+script = ExtResource("1_definition")
+stable_id = &"chunk_0007"
+label = "grass ocean corner"
+packed_scene = ExtResource("2_scene")
+primary_mesh_name = &"chunk_0007"
+selection_weight = 0.2
+maximum_placements = 4
+tags = PackedStringArray("land", "walkable", "grass", "coast", "cliff", "corner")
+allowed_neighbor_tags = PackedStringArray("grass", "coast")
+north_allowed_neighbor_tags = PackedStringArray("grass_ocean_edge")
+west_allowed_neighbor_tags = PackedStringArray("grass_ocean_edge")
+required_neighbor_tags = PackedStringArray("grass_ocean_edge")
+minimum_required_neighbors = 2
+preferred_neighbor_tags = PackedStringArray("coast")
+prefers_map_boundary = true
+ocean_facing_edges = 6

world/generation/chunks/definitions/chunk_spawn.tres

@@ -12,4 +12,8 @@ primary_mesh_name = &"chunk_0000"
 allowed_rotation_mask = 1
 selection_weight = 0.01
 maximum_placements = 1
-tags = PackedStringArray("land", "grass", "flat", "spawn")
+tags = PackedStringArray("land", "walkable", "grass", "flat", "spawn")
+allowed_neighbor_tags = PackedStringArray("grass", "coast")
+required_neighbor_tags = PackedStringArray("spawn_safe")
+minimum_required_neighbors = 3
+preferred_neighbor_tags = PackedStringArray("spawn_safe")

world/generation/chunks/terrain_chunk_catalog.tres

@@ -1,4 +1,4 @@
-[gd_resource type="Resource" script_class="TerrainChunkCatalog" load_steps=9 format=3]
+[gd_resource type="Resource" script_class="TerrainChunkCatalog" load_steps=12 format=3]
 
 [ext_resource type="Script" path="res://world/generation/terrain_chunk_catalog.gd" id="1_catalog"]
 [ext_resource type="Resource" path="res://world/generation/chunks/definitions/chunk_0000.tres" id="2_grass"]
@@ -8,8 +8,11 @@
 [ext_resource type="Resource" path="res://world/generation/chunks/definitions/chunk_0004.tres" id="6_pond"]
 [ext_resource type="Script" path="res://world/generation/terrain_chunk_definition.gd" id="7_definition_script"]
 [ext_resource type="Resource" path="res://world/generation/chunks/definitions/chunk_spawn.tres" id="8_spawn"]
+[ext_resource type="Resource" path="res://world/generation/chunks/definitions/chunk_0005.tres" id="9_grass_ocean_edge"]
+[ext_resource type="Resource" path="res://world/generation/chunks/definitions/chunk_0006.tres" id="10_grass_beach_transition"]
+[ext_resource type="Resource" path="res://world/generation/chunks/definitions/chunk_0007.tres" id="11_grass_ocean_corner"]
 
 [resource]
 script = ExtResource("1_catalog")
 chunk_size = 10.0
-definitions = Array[ExtResource("7_definition_script")]([ExtResource("2_grass"), ExtResource("3_sand"), ExtResource("4_beach"), ExtResource("5_stream"), ExtResource("6_pond"), ExtResource("8_spawn")])
+definitions = Array[ExtResource("7_definition_script")]([ExtResource("2_grass"), ExtResource("3_sand"), ExtResource("4_beach"), ExtResource("5_stream"), ExtResource("6_pond"), ExtResource("9_grass_ocean_edge"), ExtResource("10_grass_beach_transition"), ExtResource("11_grass_ocean_corner"), ExtResource("8_spawn")])