seeding! hooray!

godot/.import/default.png-13971fa1f37d4ea367b7aa5973d2bb0a.md5

@@ -1,3 +1,3 @@
-source_md5="d864960022980c4270042a1ed80b9ac4"
-dest_md5="5f766eea69301dc969f05fac899cb4cb"
+source_md5="30885b768ea8e61f6f1072099ba8c3af"
+dest_md5="3858a5d8c4a4ecf0f3bd148fa4d0440a"
 

godot/project.godot

@@ -18,6 +18,12 @@ config/icon="res://icon.png"
 
 StateServer="*res://native/StateServer.tscn"
 
+[display]
+
+window/size/width=1920
+window/size/height=1080
+window/dpi/allow_hidpi=true
+
 [importer_defaults]
 
 texture={

godot/world/StateApi.gd

@@ -1,13 +1,9 @@
 extends Node
 
-export var xsize = 256
-export var ysize = 256
+export var xsize = 64
+export var ysize = 64
 export var zsize = 6
+export var cityname = "night city"
 
 func _ready():
-	StateServer.generate_world(xsize, ysize, zsize)
-	print(StateServer.get_tile_at(0,0,0))
-
-func respawn_tilemaps(amount: int):
-	$Tilemaps.respawn_tilemaps(amount)
-
+	StateServer.generate_world(xsize, ysize, zsize, cityname)

godot/world/Tilemap.gd

@@ -1,8 +1,8 @@
 extends TileMap
 
 func set_tile_graphics(pos: Vector2, id: int):
-	var flip =  true
-	set_cell(pos.x,pos.y,0,false,false,false,get_atlas_vec_for_id(id))
+	if id == 0: set_cellv(pos, -1)
+	set_cellv(pos,0,false,false,false,get_atlas_vec_for_id(id))
 
 func get_atlas_vec_for_id(id: int) -> Vector2:
 	return Vector2(randi() % 4, id)

godot/world/Tilemaps.gd

@@ -21,8 +21,11 @@ func get_tile_at(pos: Vector3) -> String:
 	
 func update_tiles(tile_positions: PoolVector3Array):
 	for tile in tile_positions:
+		if !StateServer.is_tile_hidden(int(tile.x), int(tile.y), int(tile.z)):
 			tilemaps[tile.z].set_tile_graphics(Vector2(tile.x, tile.y),
 				get_tile_at(tile))
+	for map in tilemaps:
+		map.update_dirty_quadrants()
 
 func _on_StateServer_request_init():
 	call_deferred("respawn_tilemaps")

routes-native/Cargo.toml

@@ -13,9 +13,8 @@ gdnative = {version = "0.10", features = ["async"]}
 strum = { version = "0.24", features = ["derive"] }
 strum_macros = "0.24"
 derive_builder = "0.11.2"
-# tokio = {version = "1.18.0", features = ["sync"]}
-# lazy_static = "1.4.0"
-# pathfinding = "3.0.12"
+rand_seeder = "0.2.3"
+rand = "0.8.5"
 toml = "0.5.9"
 
 [profile.dev.package."*"]

routes-native/src/stateserver.rs

@@ -14,7 +14,7 @@ pub struct StateServer {
 impl StateServer {
     fn new(_owner: &Node) -> Self {
         StateServer {
-            world: world::World::new(0, 0, 0),
+            world: world::World::new(0, 0, 0, "seed".to_string()),
         }
     }
 
@@ -32,8 +32,8 @@ impl StateServer {
     fn _ready(&self, _owner: &Node) {}
 
     #[export]
-    fn generate_world(&mut self, _owner: &Node, xsize: usize, ysize: usize, zsize: usize) {
-        self.world = world::World::new(xsize, ysize, zsize);
+    fn generate_world(&mut self, _owner: &Node, xsize: usize, ysize: usize, zsize: usize, seed: String) {
+        self.world = world::World::new(xsize, ysize, zsize, seed);
         let w = self.world.generate();
         _owner.emit_signal("request_init", &[]);
         _owner.emit_signal("changed_tiletypes", &[Variant::new(&w)]);
@@ -41,13 +41,22 @@ impl StateServer {
 
     #[export]
     fn get_world_size(&self, _ownser: &Node) -> Vector3 {
-        Vector3::new(self.world.xsize as f32, self.world.ysize as f32, self.world.zsize as f32)
+        Vector3::new(
+            self.world.xsize as f32,
+            self.world.ysize as f32,
+            self.world.zsize as f32,
+        )
     }
 
     #[export]
     fn get_tile_at(&self, _owner: &Node, x: usize, y: usize, z: usize) -> u16 {
         self.world.get_tile_at(x, y, z)
     }
+
+    #[export]
+    fn is_tile_hidden(&self, _owner: &Node, x: usize, y: usize, z: usize) -> bool {
+        self.world.is_tile_hidden(x, y, z)
+    }
 }
 
 // signals

routes-native/src/stateserver/world.rs

@@ -1,4 +1,8 @@
 use gdnative::prelude::*;
+use rand::prelude::StdRng;
+use rand::prelude::*;
+use rand_seeder::Seeder;
+use strum::EnumCount;
 
 mod tiles;
 
@@ -7,32 +11,75 @@ pub struct World {
     pub ysize: usize,
     pub zsize: usize,
     tiles: Vec<Vec<Vec<tiles::Tiletypes>>>,
+    seed: String,
+    tileattributes: tiles::Attributelists,
 }
 
 impl World {
-    pub fn get_tile_at(&self, x: usize, y: usize, z: usize) -> u16{
-        //TODO: error handling, or maybe just do that in godot
+    pub fn get_tile_at(&self, x: usize, y: usize, z: usize) -> u16 {
         self.tiles[x][y][z] as u16
     }
-    pub fn generate(&mut self)  -> Vector3Array{
+    pub fn is_tile_hidden(&self, x: usize, y: usize, z: usize) -> bool {
+        if x == self.xsize - 1 || y == self.ysize - 1 || z == self.zsize - 1 {
+            return false;
+        }
+        if !tiles::Tile::new(self.tiles[x + 1][y][z]).hide_top_left
+            || !tiles::Tile::new(self.tiles[x][y + 1][z]).hide_top_right
+            || !tiles::Tile::new(self.tiles[x][y][z + 1]).hide_below
+        {
+            return false;
+        }
+        true
+    }
+
+    pub fn generate(&mut self) -> Vector3Array {
+        let mut rng: StdRng = Seeder::from(self.seed.to_owned()).make_rng();
         self.tiles = get_vec3(self.xsize, self.ysize, self.zsize);
         let mut ret: Vector3Array = Vector3Array::new();
         for x in 0..self.xsize {
             for y in 0..self.ysize {
                 for z in 0..self.zsize {
                     ret.push(Vector3::new(x as f32, y as f32, z as f32));
-                    self.tiles[x][y][z] = tiles::Tiletypes::Grass;
+                    self.tiles[x][y][z] = self.new_tile_init_step(x, y, z, &mut rng)
                 }
             }
         }
         ret
     }
-    pub fn new(xsize: usize, ysize: usize, zsize: usize) -> World {
+
+    fn new_tile_init_step(&self, x: usize, y: usize, z: usize, rng: &mut StdRng) -> tiles::Tiletypes {
+        // first generate bedrock
+        if z == 0 {
+            if y == 0 || x == 0 || y == self.ysize - 1 || x == self.xsize - 1{
+                return tiles::Tiletypes::Water;
+            }
+            let random = rng.gen_range(0..3) as u8;
+            match random {
+                0 => return tiles::Tiletypes::Grass,
+                _ => return self.tileattributes.bedrock.choose(rng).unwrap().to_owned(),
+            }
+        }
+
+        // then make sure the top row of tiles is air
+        if z == self.zsize - 1
+            || !tiles::Tile::new(self.tiles[x][y][z - 1]).is_support
+            || tiles::Tile::new(self.tiles[x][y][z - 1]).must_be_on_top
+        {
+            return tiles::Tiletypes::Air;
+        }
+
+        // if no tile fits, then return air
+        tiles::Tiletypes::Air
+    }
+
+    pub fn new(xsize: usize, ysize: usize, zsize: usize, seed: String) -> World {
         World {
             xsize,
             ysize,
             zsize,
             tiles: get_vec3(xsize, ysize, zsize),
+            seed,
+            tileattributes: tiles::Attributelists::new(),
         }
     }
 }

routes-native/src/stateserver/world/tiles.rs

@@ -1,7 +1,7 @@
 use derive_builder::Builder;
-use strum::{AsRefStr, EnumDiscriminants, EnumIter, FromRepr};
+use strum::{AsRefStr, EnumCount, EnumDiscriminants, EnumIter, FromRepr, IntoEnumIterator};
 
-#[derive(AsRefStr, EnumIter, FromRepr, EnumDiscriminants, Clone, Copy)]
+#[derive(AsRefStr, EnumIter, FromRepr, EnumDiscriminants, Clone, Copy, PartialEq, EnumCount)]
 #[repr(u8)]
 pub enum Tiletypes {
     Air,
@@ -9,6 +9,7 @@ pub enum Tiletypes {
     Grass,
     Dirt,
     Sand,
+    Rock,
 }
 
 #[allow(dead_code)]
@@ -16,20 +17,68 @@ pub enum Tiletypes {
 pub struct Tile {
     kind: Tiletypes,
     #[builder(default = "true")]
-    is_support: bool,
+    pub is_support: bool,
     #[builder(default = "true")]
-    needs_support: bool,
-    #[builder(default = "vec![]")]
-    can_be_above: Vec<Tiletypes>,
-    #[builder(default = "vec![]")]
-    can_be_next_to: Vec<Tiletypes>,
+    pub hide_top_left: bool,
+    #[builder(default = "true")]
+    pub hide_top_right: bool,
+    #[builder(default = "true")]
+    pub hide_below: bool,
+    #[builder(default = "false")]
+    pub must_be_on_top: bool,
+    #[builder(default = "true")]
+    pub can_be_bedrock: bool,
 }
 
 impl Tile {
     pub fn new(kind: Tiletypes) -> Tile {
-        TileBuilder::default().kind(kind).is_support(false).build().unwrap()
+        let tile: Tile;
+        match kind {
+            Tiletypes::Air => {
+                tile = TileBuilder::default()
+                    .kind(kind)
+                    .is_support(false)
+                    .hide_below(false)
+                    .hide_top_right(false)
+                    .hide_top_left(false)
+                    .can_be_bedrock(false)
+                    .build()
+                    .unwrap()
+            }
+            Tiletypes::Water => {
+                tile = TileBuilder::default()
+                    .kind(kind)
+                    .is_support(false)
+                    .build()
+                    .unwrap()
+            }
+            Tiletypes::Grass => {
+                tile = TileBuilder::default()
+                    .kind(kind)
+                    .must_be_on_top(true)
+                    .build()
+                    .unwrap()
+            }
+            _ => tile = TileBuilder::default().kind(kind).build().unwrap(),
+        };
+        tile
     }
     pub fn kind_to_string(&self) -> String {
         self.kind.as_ref().to_string()
     }
 }
+
+pub struct Attributelists {
+    pub bedrock: Vec<Tiletypes>,
+}
+
+impl Attributelists {
+    pub fn new() -> Attributelists{
+    let mut bedrock: Vec<Tiletypes> = vec![];
+        for tiletype in Tiletypes::iter(){
+            let tile = Tile::new(tiletype);
+            if tile.can_be_bedrock { bedrock.push(tiletype); }
+        }
+    Attributelists { bedrock }
+    }
+}