base map generation

GridMap.tscn

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+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://ProceduralGenerator.gd" type="Script" id=1]
+[ext_resource path="res://meshes.meshlib" type="MeshLibrary" id=2]
+[ext_resource path="res://Player.gd" type="Script" id=3]
+
+[sub_resource type="CapsuleMesh" id=1]
+
+[node name="Spatial" type="Spatial"]
+
+[node name="GridMap" type="GridMap" parent="."]
+mesh_library = ExtResource( 2 )
+cell_size = Vector3( 1, 1, 1 )
+cell_octant_size = 512
+cell_center_x = false
+cell_center_y = false
+cell_center_z = false
+script = ExtResource( 1 )
+__meta__ = {
+"_editor_clip_": 0
+}
+ChunkWidth = 64
+ChunkHeight = 64
+
+[node name="Player" type="Spatial" parent="GridMap"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 20, 0 )
+script = ExtResource( 3 )
+
+[node name="MeshInstance" type="MeshInstance" parent="GridMap/Player"]
+transform = Transform( 1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0 )
+mesh = SubResource( 1 )
+
+[node name="Camera" type="Camera" parent="GridMap/Player"]
+transform = Transform( 1, 0, 0, 0, -4.37114e-08, 1, 0, -1, -4.37114e-08, 0, 10, 0 )
+
+[node name="MapUpdateTimer" type="Timer" parent="GridMap"]
+wait_time = 0.1
+autostart = true
+
+[connection signal="timeout" from="GridMap/MapUpdateTimer" to="GridMap" method="_on_MapUpdateTimer_timeout"]

MeshLib.tscn

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+[gd_scene load_steps=8 format=2]
+
+[sub_resource type="CubeMesh" id=1]
+
+[sub_resource type="SpatialMaterial" id=2]
+albedo_color = Color( 0.266667, 0.211765, 0.74902, 1 )
+
+[sub_resource type="SpatialMaterial" id=3]
+albedo_color = Color( 0.054902, 0.588235, 0.843137, 1 )
+
+[sub_resource type="SpatialMaterial" id=4]
+albedo_color = Color( 0.882353, 0.811765, 0.0588235, 1 )
+
+[sub_resource type="SpatialMaterial" id=5]
+albedo_color = Color( 0.121569, 0.756863, 0.32549, 1 )
+
+[sub_resource type="SpatialMaterial" id=6]
+albedo_color = Color( 0.611765, 0.611765, 0.611765, 1 )
+
+[sub_resource type="SpatialMaterial" id=7]
+
+[node name="MeshLib" type="Spatial"]
+
+[node name="Tile_DeepWaterBlock" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+material/0 = SubResource( 2 )
+
+[node name="Tile_WaterBlock" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+material/0 = SubResource( 3 )
+
+[node name="Tile_SandBlock" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+material/0 = SubResource( 4 )
+
+[node name="Tile_GrassBlock" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+material/0 = SubResource( 5 )
+
+[node name="Tile_StoneBlock" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+material/0 = SubResource( 6 )
+
+[node name="Tile_SnowBlock" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+material/0 = SubResource( 7 )

Player.gd

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+extends Spatial
+
+
+const SPEED = 0.25
+
+
+func _physics_process(delta):
+	# Movement
+	var motion = Vector3()
+	
+	if Input.is_action_pressed("ui_up"):
+		motion.z += -1.0
+	if Input.is_action_pressed("ui_down"):
+		motion.z += 1.0
+	if Input.is_action_pressed("ui_left"):
+		motion.x += -1.0
+	if Input.is_action_pressed("ui_right"):
+		motion.x += 1.0
+
+	global_transform.origin += motion * SPEED

ProceduralGenerator.gd

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+extends GridMap
+
+export(int) var ChunkWidth: int = 0
+export(int) var ChunkHeight: int = 0
+
+var heightMapTexture = NoiseTexture.new()
+
+onready var player = $Player
+
+func _ready():
+	randomize()
+	heightMapTexture.width = 512
+	heightMapTexture.height = 512
+	heightMapTexture.noise = OpenSimplexNoise.new()
+	heightMapTexture.noise.seed = randi()
+	
+	print("Seed: " + str(heightMapTexture.noise.seed))
+	
+	setGridChunk(0, ChunkWidth, 0, ChunkHeight)
+	
+func generateGridChunk(playerPos: Vector3) -> void:
+	clear()
+	var chunkCenter = world_to_map(playerPos)
+	var rowStart: float = chunkCenter.z - (ChunkHeight / 2)
+	var rowEnd: float = chunkCenter.z + (ChunkHeight / 2)
+	var columnStart: float = chunkCenter.x - (ChunkWidth / 2)
+	var columnEnd: float = chunkCenter.x + (ChunkWidth / 2)
+	setGridChunk(columnStart, columnEnd, rowStart, rowEnd)
+
+func setGridChunk(columnStart: float, columnEnd: float, rowStart: float, rowEnd: float) -> void:
+	if columnStart < 0 : 
+		columnStart = 0
+	if rowStart < 0 : 
+		rowStart = 0
+	if columnEnd > heightMapTexture.width : 
+		columnEnd = heightMapTexture.width - 1
+	if rowEnd > heightMapTexture.height : 
+		rowEnd = heightMapTexture.height - 1
+		
+	for mz in range(rowStart, rowEnd):
+		for mx in range(columnStart, columnEnd):
+			var noiseValue: float = heightMapTexture.noise.get_noise_2d(mx, mz)
+			var weight: float = (noiseValue + 1) / 2
+			var height: float = floor(lerp(0, 8, weight)) * 2
+			for my in range(0, height):
+				var meshID = floor(my / 2)
+				set_cell_item(mx, my * 2, mz, meshID, 0)
+
+
+
+func _on_MapUpdateTimer_timeout():
+	generateGridChunk(player.global_transform.origin)

default_env.tres

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+[gd_resource type="Environment" load_steps=2 format=2]
+
+[sub_resource type="ProceduralSky" id=1]
+
+[resource]
+background_mode = 2
+background_sky = SubResource( 1 )

icon.png.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.png"
+dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+[application]
+
+config/name="gridmap"
+config/icon="res://icon.png"
+
+[gui]
+
+common/drop_mouse_on_gui_input_disabled=true
+
+[physics]
+
+common/enable_pause_aware_picking=true
+
+[rendering]
+
+environment/default_environment="res://default_env.tres"