Grid finally working and understood

Reviewed-on: #1

.idea/libraries/GdSdk.xml

@@ -3,7 +3,7 @@
     <CLASSES />
     <JAVADOC />
     <SOURCES>
-      <root url="file://$APPLICATION_PLUGINS_DIR$/GdScript/extracted/4.4.1" />
+      <root url="file://$APPLICATION_PLUGINS_DIR$/GdScript/extracted/Master" />
     </SOURCES>
   </library>
 </component>

Graphics/TileMaps/kenney_rpgUrbanKit/Preview.png.import

@@ -18,6 +18,8 @@ dest_files=["res://.godot/imported/Preview.png-9c5c3131b145a46e92681901d20d4bf6.
 compress/mode=0
 compress/high_quality=false
 compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
@@ -25,6 +27,10 @@ mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false

Graphics/TileMaps/kenney_rpgUrbanKit/Sample.png.import

@@ -18,6 +18,8 @@ dest_files=["res://.godot/imported/Sample.png-1129fc92b4c89bc54f7f47ad10c7df55.c
 compress/mode=0
 compress/high_quality=false
 compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
@@ -25,6 +27,10 @@ mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false

Graphics/TileMaps/kenney_rpgUrbanKit/Tilemap/tilemap.png.import

@@ -18,6 +18,8 @@ dest_files=["res://.godot/imported/tilemap.png-d8cbb982f0981dbbc74d5b5938d1223b.
 compress/mode=0
 compress/high_quality=false
 compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
@@ -25,6 +27,10 @@ mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false

Graphics/TileMaps/kenney_rpgUrbanKit/Tilemap/tilemap_packed.png.import

@@ -18,6 +18,8 @@ dest_files=["res://.godot/imported/tilemap_packed.png-ce0553dba3bdbd49325cac4ebe
 compress/mode=0
 compress/high_quality=false
 compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
@@ -25,6 +27,10 @@ mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false

Resource/Grid.gd

@@ -0,0 +1,75 @@
+extends Resource
+
+class_name Grid
+
+# The grid size.
+@export var size := Vector2(100, 100)
+# The of a cell in pixels
+@export var cellSize := Vector2(16, 16)
+
+@export var cameraPosition := Vector2.ZERO
+func setCameraPosition(pos: Vector2):
+	cameraPosition = pos
+@export var cameraZoom := Vector2(2, 2)
+func setCameraZoom(zoom: Vector2):
+	cameraZoom = zoom
+@export var screenCenter := Vector2.ZERO
+func setScreenCenter(pos: Vector2):
+	screenCenter = pos
+
+# Half of ``cell_size``.
+# We will use this to calculate the center of a grid cell in pixels, on the screen.
+# That's how we can place units in the center of a cell.
+var _halfCellSize: Vector2 = cellSize / 2
+
+# Returns the position of a cell's center in pixels.
+# We'll place units and have them move through cells using this function.
+# Example:
+# cellSize = (32)
+# gridPosition = (2, 3)
+# cameraZoom = 1
+# (2,3) * 32 + 16
+# (64, 96) + 16
+# == (80, 112) <- This is the position ON THE SCREEN.
+func calculateMapPosition(gridPosition: Vector2) -> Vector2:
+	return (gridPosition * cellSize + _halfCellSize) / cameraZoom
+	
+# Returns the coordinates of the cell on the grid given a position on the map.
+# This is the complementary of `calculate_map_position()` above.
+# When designing a level, you'll place units visually in the editor. We'll use this function to find
+# the grid coordinates they're placed on, and call `calculate_map_position()` to snap them to the
+# cell's center.
+# This is the position IN THE GRID
+func calculateGridCoordinates(mapPosition: Vector2) -> Vector2:
+	return (mapPosition / cellSize).floor()
+
+
+# Returns true if the `cell_coordinates` are within the grid.
+# This method and the following one allow us to ensure the cursor or units can never go past the
+# map's limit.
+func isWithinBounds(cellCoordinates: Vector2) -> bool:
+	var out := cellCoordinates.x >= 0 and cellCoordinates.x < size.x
+	return out and cellCoordinates.y >= 0 and cellCoordinates.y < size.y
+
+
+# Makes the `grid_position` fit within the grid's bounds.
+# This is a clamp function designed specifically for our grid coordinates.
+# The Vector2 class comes with its `Vector2.clamp()` method, but it doesn't work the same way: it
+# limits the vector's length instead of clamping each of the vector's components individually.
+# That's why we need to code a new method.
+func clamp(gridPosition: Vector2) -> Vector2:
+	var out := gridPosition
+	out.x = clamp(out.x, 0, size.x - 1.0)
+	out.y = clamp(out.y, 0, size.y - 1.0)
+	return out
+
+
+# Given Vector2 coordinates, calculates and returns the corresponding integer index. You can use
+# this function to convert 2D coordinates to a 1D array's indices.
+#
+# There are two cases where you need to convert coordinates like so:
+# 1. We'll need it for the AStar algorithm, which requires a unique index for each point on the
+# graph it uses to find a path.
+# 2. You can use it for performance. More on that below.
+func asIndex(cell: Vector2) -> int:
+	return int(cell.x + size.x * cell.y)

Resource/Grid.gd.uid

@@ -0,0 +1 @@
+uid://blwwie08bb4s

Resource/Grid.tres

@@ -0,0 +1,9 @@
+[gd_resource type="Resource" script_class="Grid" load_steps=2 format=3 uid="uid://bpf7mj7w5kftq"]
+
+[ext_resource type="Script" uid="uid://blwwie08bb4s" path="res://Resource/Grid.gd" id="1_ubiq0"]
+
+[resource]
+script = ExtResource("1_ubiq0")
+size = Vector2(60, 60)
+cellSize = Vector2(16, 16)
+metadata/_custom_type_script = "uid://blwwie08bb4s"

Resource/UrbanKitTileMap.tres

@@ -50,11 +50,21 @@ separation = Vector2i(1, 1)
 5:0/0/terrain = 0
 5:0/0/terrains_peering_bit/right_side = 0
 5:0/0/terrains_peering_bit/bottom_side = 0
+5:0/0/terrains_peering_bit/bottom_left_corner = 0
+5:0/0/terrains_peering_bit/left_side = 0
+5:0/0/terrains_peering_bit/top_left_corner = 0
+5:0/0/terrains_peering_bit/top_side = 0
+5:0/0/terrains_peering_bit/top_right_corner = 0
 6:0/0 = 0
 6:0/0/terrain_set = 0
 6:0/0/terrain = 0
+6:0/0/terrains_peering_bit/right_side = 0
+6:0/0/terrains_peering_bit/bottom_right_corner = 0
 6:0/0/terrains_peering_bit/bottom_side = 0
 6:0/0/terrains_peering_bit/left_side = 0
+6:0/0/terrains_peering_bit/top_left_corner = 0
+6:0/0/terrains_peering_bit/top_side = 0
+6:0/0/terrains_peering_bit/top_right_corner = 0
 7:0/0 = 0
 7:0/0/terrain_set = 0
 7:0/0/terrain = 0
@@ -63,45 +73,70 @@ separation = Vector2i(1, 1)
 8:0/0/terrain_set = 0
 8:0/0/terrain = 3
 8:0/0/terrains_peering_bit/right_side = 3
+8:0/0/terrains_peering_bit/bottom_right_corner = 3
 8:0/0/terrains_peering_bit/bottom_side = 3
 9:0/0 = 0
 9:0/0/terrain_set = 0
 9:0/0/terrain = 3
 9:0/0/terrains_peering_bit/right_side = 3
+9:0/0/terrains_peering_bit/bottom_right_corner = 3
 9:0/0/terrains_peering_bit/bottom_side = 3
+9:0/0/terrains_peering_bit/bottom_left_corner = 3
 9:0/0/terrains_peering_bit/left_side = 3
 10:0/0 = 0
 10:0/0/terrain_set = 0
 10:0/0/terrain = 3
 10:0/0/terrains_peering_bit/bottom_side = 3
+10:0/0/terrains_peering_bit/bottom_left_corner = 3
 10:0/0/terrains_peering_bit/left_side = 3
 11:0/0 = 0
 11:0/0/terrain_set = 0
+11:0/0/terrain = 3
 11:0/0/terrains_peering_bit/right_side = 3
 11:0/0/terrains_peering_bit/bottom_side = 3
 12:0/0 = 0
 12:0/0/terrain_set = 0
+12:0/0/terrain = 3
 12:0/0/terrains_peering_bit/bottom_side = 3
 12:0/0/terrains_peering_bit/left_side = 3
 13:0/0 = 0
 13:0/0/terrain_set = 0
+13:0/0/terrain = 3
 13:0/0/terrains_peering_bit/right_side = 3
 13:0/0/terrains_peering_bit/bottom_side = 3
+13:0/0/terrains_peering_bit/bottom_left_corner = 3
+13:0/0/terrains_peering_bit/left_side = 3
+13:0/0/terrains_peering_bit/top_left_corner = 3
+13:0/0/terrains_peering_bit/top_side = 3
+13:0/0/terrains_peering_bit/top_right_corner = 3
 14:0/0 = 0
 14:0/0/terrain_set = 0
+14:0/0/terrain = 3
+14:0/0/terrains_peering_bit/right_side = 3
+14:0/0/terrains_peering_bit/bottom_right_corner = 3
 14:0/0/terrains_peering_bit/bottom_side = 3
 14:0/0/terrains_peering_bit/left_side = 3
+14:0/0/terrains_peering_bit/top_left_corner = 3
+14:0/0/terrains_peering_bit/top_side = 3
+14:0/0/terrains_peering_bit/top_right_corner = 3
 15:0/0 = 0
 15:0/0/terrain_set = 0
 15:0/0/terrain = 3
 15:0/0/terrains_peering_bit/bottom_side = 3
 16:0/0 = 0
+16:0/0/custom_data_0 = true
 17:0/0 = 0
+17:0/0/custom_data_0 = true
 18:0/0 = 0
+18:0/0/custom_data_0 = true
 19:0/0 = 0
+19:0/0/custom_data_0 = true
 20:0/0 = 0
+20:0/0/custom_data_0 = true
 21:0/0 = 0
+21:0/0/custom_data_0 = true
 22:0/0 = 0
+22:0/0/custom_data_0 = true
 23:0/0 = 0
 24:0/0 = 0
 25:0/0 = 0
@@ -147,12 +182,22 @@ separation = Vector2i(1, 1)
 5:1/0/terrain_set = 0
 5:1/0/terrain = 0
 5:1/0/terrains_peering_bit/right_side = 0
+5:1/0/terrains_peering_bit/bottom_right_corner = 0
+5:1/0/terrains_peering_bit/bottom_side = 0
+5:1/0/terrains_peering_bit/bottom_left_corner = 0
+5:1/0/terrains_peering_bit/left_side = 0
+5:1/0/terrains_peering_bit/top_left_corner = 0
 5:1/0/terrains_peering_bit/top_side = 0
 6:1/0 = 0
 6:1/0/terrain_set = 0
 6:1/0/terrain = 0
+6:1/0/terrains_peering_bit/right_side = 0
+6:1/0/terrains_peering_bit/bottom_right_corner = 0
+6:1/0/terrains_peering_bit/bottom_side = 0
+6:1/0/terrains_peering_bit/bottom_left_corner = 0
 6:1/0/terrains_peering_bit/left_side = 0
 6:1/0/terrains_peering_bit/top_side = 0
+6:1/0/terrains_peering_bit/top_right_corner = 0
 7:1/0 = 0
 7:1/0/terrain_set = 0
 7:1/0/terrain = 0
@@ -162,49 +207,78 @@ separation = Vector2i(1, 1)
 8:1/0/terrain_set = 0
 8:1/0/terrain = 3
 8:1/0/terrains_peering_bit/right_side = 3
+8:1/0/terrains_peering_bit/bottom_right_corner = 3
 8:1/0/terrains_peering_bit/bottom_side = 3
 8:1/0/terrains_peering_bit/top_side = 3
+8:1/0/terrains_peering_bit/top_right_corner = 3
 9:1/0 = 0
 9:1/0/terrain_set = 0
 9:1/0/terrain = 3
 9:1/0/terrains_peering_bit/right_side = 3
+9:1/0/terrains_peering_bit/bottom_right_corner = 3
 9:1/0/terrains_peering_bit/bottom_side = 3
+9:1/0/terrains_peering_bit/bottom_left_corner = 3
 9:1/0/terrains_peering_bit/left_side = 3
+9:1/0/terrains_peering_bit/top_left_corner = 3
 9:1/0/terrains_peering_bit/top_side = 3
+9:1/0/terrains_peering_bit/top_right_corner = 3
 10:1/0 = 0
 10:1/0/terrain_set = 0
 10:1/0/terrain = 3
 10:1/0/terrains_peering_bit/bottom_side = 3
+10:1/0/terrains_peering_bit/bottom_left_corner = 3
 10:1/0/terrains_peering_bit/left_side = 3
+10:1/0/terrains_peering_bit/top_left_corner = 3
 10:1/0/terrains_peering_bit/top_side = 3
 11:1/0 = 0
 11:1/0/terrain_set = 0
+11:1/0/terrain = 3
 11:1/0/terrains_peering_bit/right_side = 3
 11:1/0/terrains_peering_bit/top_side = 3
 12:1/0 = 0
 12:1/0/terrain_set = 0
+12:1/0/terrain = 3
 12:1/0/terrains_peering_bit/left_side = 3
 12:1/0/terrains_peering_bit/top_side = 3
 13:1/0 = 0
 13:1/0/terrain_set = 0
+13:1/0/terrain = 3
 13:1/0/terrains_peering_bit/right_side = 3
+13:1/0/terrains_peering_bit/bottom_right_corner = 3
+13:1/0/terrains_peering_bit/bottom_side = 3
+13:1/0/terrains_peering_bit/bottom_left_corner = 3
+13:1/0/terrains_peering_bit/left_side = 3
+13:1/0/terrains_peering_bit/top_left_corner = 3
 13:1/0/terrains_peering_bit/top_side = 3
 14:1/0 = 0
 14:1/0/terrain_set = 0
+14:1/0/terrain = 3
+14:1/0/terrains_peering_bit/right_side = 3
+14:1/0/terrains_peering_bit/bottom_right_corner = 3
+14:1/0/terrains_peering_bit/bottom_side = 3
+14:1/0/terrains_peering_bit/bottom_left_corner = 3
 14:1/0/terrains_peering_bit/left_side = 3
 14:1/0/terrains_peering_bit/top_side = 3
+14:1/0/terrains_peering_bit/top_right_corner = 3
 15:1/0 = 0
 15:1/0/terrain_set = 0
 15:1/0/terrain = 3
 15:1/0/terrains_peering_bit/bottom_side = 3
 15:1/0/terrains_peering_bit/top_side = 3
 16:1/0 = 0
+16:1/0/custom_data_0 = true
 17:1/0 = 0
+17:1/0/custom_data_0 = true
 18:1/0 = 0
+18:1/0/custom_data_0 = true
 19:1/0 = 0
+19:1/0/custom_data_0 = true
 20:1/0 = 0
+20:1/0/custom_data_0 = true
 21:1/0 = 0
+21:1/0/custom_data_0 = true
 22:1/0 = 0
+22:1/0/custom_data_0 = true
 23:1/0 = 0
 24:1/0 = 0
 25:1/0 = 0
@@ -254,16 +328,20 @@ separation = Vector2i(1, 1)
 8:2/0/terrain = 3
 8:2/0/terrains_peering_bit/right_side = 3
 8:2/0/terrains_peering_bit/top_side = 3
+8:2/0/terrains_peering_bit/top_right_corner = 3
 9:2/0 = 0
 9:2/0/terrain_set = 0
 9:2/0/terrain = 3
 9:2/0/terrains_peering_bit/right_side = 3
 9:2/0/terrains_peering_bit/left_side = 3
+9:2/0/terrains_peering_bit/top_left_corner = 3
 9:2/0/terrains_peering_bit/top_side = 3
+9:2/0/terrains_peering_bit/top_right_corner = 3
 10:2/0 = 0
 10:2/0/terrain_set = 0
 10:2/0/terrain = 3
 10:2/0/terrains_peering_bit/left_side = 3
+10:2/0/terrains_peering_bit/top_left_corner = 3
 10:2/0/terrains_peering_bit/top_side = 3
 11:2/0 = 0
 11:2/0/terrain_set = 0
@@ -274,7 +352,6 @@ separation = Vector2i(1, 1)
 12:2/0/terrain = 3
 12:2/0/terrains_peering_bit/right_side = 3
 12:2/0/terrains_peering_bit/left_side = 3
-12:2/0/terrains_peering_bit/top_side = 3
 13:2/0 = 0
 13:2/0/terrain_set = 0
 13:2/0/terrain = 3
@@ -287,12 +364,19 @@ separation = Vector2i(1, 1)
 15:2/0/terrain = 3
 15:2/0/terrains_peering_bit/top_side = 3
 16:2/0 = 0
+16:2/0/custom_data_0 = true
 17:2/0 = 0
+17:2/0/custom_data_0 = true
 18:2/0 = 0
+18:2/0/custom_data_0 = true
 19:2/0 = 0
+19:2/0/custom_data_0 = true
 20:2/0 = 0
+20:2/0/custom_data_0 = true
 21:2/0 = 0
+21:2/0/custom_data_0 = true
 22:2/0 = 0
+22:2/0/custom_data_0 = true
 23:2/0 = 0
 24:2/0 = 0
 25:2/0 = 0
@@ -301,25 +385,30 @@ separation = Vector2i(1, 1)
 0:3/0/terrain_set = 0
 0:3/0/terrains_peering_bit/right_side = 4
 0:3/0/terrains_peering_bit/bottom_side = 4
+0:3/0/custom_data_0 = true
 1:3/0 = 0
 1:3/0/terrain_set = 0
 1:3/0/terrain = 4
 1:3/0/terrains_peering_bit/right_side = 4
 1:3/0/terrains_peering_bit/bottom_side = 4
 1:3/0/terrains_peering_bit/left_side = 4
+1:3/0/custom_data_0 = true
 2:3/0 = 0
 2:3/0/terrain_set = 0
 2:3/0/terrain = 4
 2:3/0/terrains_peering_bit/bottom_side = 4
 2:3/0/terrains_peering_bit/left_side = 4
+2:3/0/custom_data_0 = true
 3:3/0 = 0
 3:3/0/terrain_set = 0
 3:3/0/terrains_peering_bit/right_side = 4
 3:3/0/terrains_peering_bit/bottom_side = 4
+3:3/0/custom_data_0 = true
 4:3/0 = 0
 4:3/0/terrain_set = 0
 4:3/0/terrains_peering_bit/bottom_side = 4
 4:3/0/terrains_peering_bit/left_side = 4
+4:3/0/custom_data_0 = true
 5:3/0 = 0
 5:3/0/terrain_set = 0
 5:3/0/terrains_peering_bit/right_side = 4
@@ -332,29 +421,43 @@ separation = Vector2i(1, 1)
 7:3/0/terrain_set = 0
 7:3/0/terrain = 4
 7:3/0/terrains_peering_bit/bottom_side = 4
+7:3/0/custom_data_0 = true
 8:3/0 = 0
 8:3/0/terrain_set = 0
+8:3/0/custom_data_0 = true
 9:3/0 = 0
 9:3/0/terrain_set = 0
+9:3/0/custom_data_0 = true
 10:3/0 = 0
 10:3/0/terrain_set = 0
+10:3/0/custom_data_0 = true
 11:3/0 = 0
 11:3/0/terrain_set = 0
+11:3/0/custom_data_0 = true
 12:3/0 = 0
 12:3/0/terrain_set = 0
+12:3/0/custom_data_0 = true
 13:3/0 = 0
 13:3/0/terrain_set = 0
 14:3/0 = 0
 14:3/0/terrain_set = 0
 15:3/0 = 0
 15:3/0/terrain_set = 0
+15:3/0/custom_data_0 = true
 16:3/0 = 0
+16:3/0/custom_data_0 = true
 17:3/0 = 0
+17:3/0/custom_data_0 = true
 18:3/0 = 0
+18:3/0/custom_data_0 = true
 19:3/0 = 0
+19:3/0/custom_data_0 = true
 20:3/0 = 0
+20:3/0/custom_data_0 = true
 21:3/0 = 0
+21:3/0/custom_data_0 = true
 22:3/0 = 0
+22:3/0/custom_data_0 = true
 23:3/0 = 0
 24:3/0 = 0
 25:3/0 = 0
@@ -365,6 +468,7 @@ separation = Vector2i(1, 1)
 0:4/0/terrains_peering_bit/right_side = 4
 0:4/0/terrains_peering_bit/bottom_side = 4
 0:4/0/terrains_peering_bit/top_side = 4
+0:4/0/custom_data_0 = true
 1:4/0 = 0
 1:4/0/terrain_set = 0
 1:4/0/terrain = 4
@@ -378,14 +482,17 @@ separation = Vector2i(1, 1)
 2:4/0/terrains_peering_bit/bottom_side = 4
 2:4/0/terrains_peering_bit/left_side = 4
 2:4/0/terrains_peering_bit/top_side = 4
+2:4/0/custom_data_0 = true
 3:4/0 = 0
 3:4/0/terrain_set = 0
 3:4/0/terrains_peering_bit/right_side = 4
 3:4/0/terrains_peering_bit/top_side = 4
+3:4/0/custom_data_0 = true
 4:4/0 = 0
 4:4/0/terrain_set = 0
 4:4/0/terrains_peering_bit/left_side = 4
 4:4/0/terrains_peering_bit/top_side = 4
+4:4/0/custom_data_0 = true
 5:4/0 = 0
 5:4/0/terrain_set = 0
 5:4/0/terrains_peering_bit/right_side = 4
@@ -399,29 +506,42 @@ separation = Vector2i(1, 1)
 7:4/0/terrain = 4
 7:4/0/terrains_peering_bit/bottom_side = 4
 7:4/0/terrains_peering_bit/top_side = 4
+7:4/0/custom_data_0 = true
 8:4/0 = 0
 8:4/0/terrain_set = 0
+8:4/0/custom_data_0 = true
 9:4/0 = 0
 9:4/0/terrain_set = 0
 10:4/0 = 0
 10:4/0/terrain_set = 0
+10:4/0/custom_data_0 = true
 11:4/0 = 0
 11:4/0/terrain_set = 0
+11:4/0/custom_data_0 = true
 12:4/0 = 0
 12:4/0/terrain_set = 0
+12:4/0/custom_data_0 = true
 13:4/0 = 0
 13:4/0/terrain_set = 0
 14:4/0 = 0
 14:4/0/terrain_set = 0
 15:4/0 = 0
 15:4/0/terrain_set = 0
+15:4/0/custom_data_0 = true
 16:4/0 = 0
+16:4/0/custom_data_0 = true
 17:4/0 = 0
+17:4/0/custom_data_0 = true
 18:4/0 = 0
+18:4/0/custom_data_0 = true
 19:4/0 = 0
+19:4/0/custom_data_0 = true
 20:4/0 = 0
+20:4/0/custom_data_0 = true
 21:4/0 = 0
+21:4/0/custom_data_0 = true
 22:4/0 = 0
+22:4/0/custom_data_0 = true
 23:4/0 = 0
 24:4/0 = 0
 25:4/0 = 0
@@ -431,61 +551,84 @@ separation = Vector2i(1, 1)
 0:5/0/terrain = 4
 0:5/0/terrains_peering_bit/right_side = 4
 0:5/0/terrains_peering_bit/top_side = 4
+0:5/0/custom_data_0 = true
 1:5/0 = 0
 1:5/0/terrain_set = 0
 1:5/0/terrain = 4
 1:5/0/terrains_peering_bit/right_side = 4
 1:5/0/terrains_peering_bit/left_side = 4
 1:5/0/terrains_peering_bit/top_side = 4
+1:5/0/custom_data_0 = true
 2:5/0 = 0
 2:5/0/terrain_set = 0
 2:5/0/terrain = 4
 2:5/0/terrains_peering_bit/left_side = 4
 2:5/0/terrains_peering_bit/top_side = 4
+2:5/0/custom_data_0 = true
 3:5/0 = 0
 3:5/0/terrain_set = 0
 3:5/0/terrain = 4
 3:5/0/terrains_peering_bit/right_side = 4
+3:5/0/custom_data_0 = true
 4:5/0 = 0
 4:5/0/terrain_set = 0
 4:5/0/terrain = 4
 4:5/0/terrains_peering_bit/right_side = 4
 4:5/0/terrains_peering_bit/left_side = 4
+4:5/0/custom_data_0 = true
 5:5/0 = 0
 5:5/0/terrain_set = 0
 5:5/0/terrain = 4
 5:5/0/terrains_peering_bit/left_side = 4
+5:5/0/custom_data_0 = true
 6:5/0 = 0
 6:5/0/terrain_set = 0
 6:5/0/terrain = 4
+6:5/0/custom_data_0 = true
 7:5/0 = 0
 7:5/0/terrain_set = 0
 7:5/0/terrain = 4
 7:5/0/terrains_peering_bit/top_side = 4
+7:5/0/custom_data_0 = true
 8:5/0 = 0
 8:5/0/terrain_set = 0
+8:5/0/custom_data_0 = true
 9:5/0 = 0
 9:5/0/terrain_set = 0
+9:5/0/custom_data_0 = true
 10:5/0 = 0
 10:5/0/terrain_set = 0
+10:5/0/custom_data_0 = true
 11:5/0 = 0
 11:5/0/terrain_set = 0
+11:5/0/custom_data_0 = true
 12:5/0 = 0
 12:5/0/terrain_set = 0
+12:5/0/custom_data_0 = true
 13:5/0 = 0
 13:5/0/terrain_set = 0
+13:5/0/custom_data_0 = true
 14:5/0 = 0
 14:5/0/terrain_set = 0
+14:5/0/custom_data_0 = true
 15:5/0 = 0
 15:5/0/terrain_set = 0
+15:5/0/custom_data_0 = true
 16:5/0 = 0
 16:5/0/terrain_set = 0
+16:5/0/custom_data_0 = true
 17:5/0 = 0
+17:5/0/custom_data_0 = true
 18:5/0 = 0
+18:5/0/custom_data_0 = true
 19:5/0 = 0
+19:5/0/custom_data_0 = true
 20:5/0 = 0
+20:5/0/custom_data_0 = true
 21:5/0 = 0
+21:5/0/custom_data_0 = true
 22:5/0 = 0
+22:5/0/custom_data_0 = true
 23:5/0 = 0
 24:5/0 = 0
 25:5/0 = 0
@@ -503,6 +646,7 @@ separation = Vector2i(1, 1)
 8:6/0/terrain = 2
 8:6/0/terrains_peering_bit/right_side = 2
 8:6/0/terrains_peering_bit/bottom_side = 2
+8:6/0/custom_data_0 = true
 9:6/0 = 0
 9:6/0/terrain_set = 0
 9:6/0/terrain = 2
@@ -510,38 +654,52 @@ separation = Vector2i(1, 1)
 9:6/0/terrains_peering_bit/bottom_side = 2
 9:6/0/terrains_peering_bit/left_side = 2
 9:6/0/terrains_peering_bit/top_side = 2
+9:6/0/custom_data_0 = true
 10:6/0 = 0
 10:6/0/terrain_set = 0
 10:6/0/terrain = 2
 10:6/0/terrains_peering_bit/bottom_side = 2
 10:6/0/terrains_peering_bit/left_side = 2
+10:6/0/custom_data_0 = true
 11:6/0 = 0
 11:6/0/terrain_set = 0
 11:6/0/terrains_peering_bit/right_side = 2
 11:6/0/terrains_peering_bit/bottom_side = 2
+11:6/0/custom_data_0 = true
 12:6/0 = 0
 12:6/0/terrain_set = 0
 12:6/0/terrains_peering_bit/bottom_side = 2
 12:6/0/terrains_peering_bit/left_side = 2
+12:6/0/custom_data_0 = true
 13:6/0 = 0
 13:6/0/terrain_set = 0
 13:6/0/terrains_peering_bit/right_side = 2
 13:6/0/terrains_peering_bit/bottom_side = 2
+13:6/0/custom_data_0 = true
 14:6/0 = 0
 14:6/0/terrain_set = 0
 14:6/0/terrains_peering_bit/bottom_side = 2
 14:6/0/terrains_peering_bit/left_side = 2
+14:6/0/custom_data_0 = true
 15:6/0 = 0
 15:6/0/terrain_set = 0
 15:6/0/terrain = 2
 15:6/0/terrains_peering_bit/bottom_side = 2
+15:6/0/custom_data_0 = true
 16:6/0 = 0
+16:6/0/custom_data_0 = true
 17:6/0 = 0
+17:6/0/custom_data_0 = true
 18:6/0 = 0
+18:6/0/custom_data_0 = true
 19:6/0 = 0
+19:6/0/custom_data_0 = true
 20:6/0 = 0
+20:6/0/custom_data_0 = true
 21:6/0 = 0
+21:6/0/custom_data_0 = true
 22:6/0 = 0
+22:6/0/custom_data_0 = true
 23:6/0 = 0
 24:6/0 = 0
 25:6/0 = 0
@@ -560,6 +718,7 @@ separation = Vector2i(1, 1)
 8:7/0/terrains_peering_bit/right_side = 2
 8:7/0/terrains_peering_bit/bottom_side = 2
 8:7/0/terrains_peering_bit/top_side = 2
+8:7/0/custom_data_0 = true
 9:7/0 = 0
 9:7/0/terrain_set = 0
 9:7/0/terrain = 2
@@ -567,40 +726,54 @@ separation = Vector2i(1, 1)
 9:7/0/terrains_peering_bit/bottom_side = 2
 9:7/0/terrains_peering_bit/left_side = 2
 9:7/0/terrains_peering_bit/top_side = 2
+9:7/0/custom_data_0 = true
 10:7/0 = 0
 10:7/0/terrain_set = 0
 10:7/0/terrain = 2
 10:7/0/terrains_peering_bit/bottom_side = 2
 10:7/0/terrains_peering_bit/left_side = 2
 10:7/0/terrains_peering_bit/top_side = 2
+10:7/0/custom_data_0 = true
 11:7/0 = 0
 11:7/0/terrain_set = 0
 11:7/0/terrains_peering_bit/right_side = 2
 11:7/0/terrains_peering_bit/top_side = 2
+11:7/0/custom_data_0 = true
 12:7/0 = 0
 12:7/0/terrain_set = 0
 12:7/0/terrains_peering_bit/left_side = 2
 12:7/0/terrains_peering_bit/top_side = 2
+12:7/0/custom_data_0 = true
 13:7/0 = 0
 13:7/0/terrain_set = 0
 13:7/0/terrains_peering_bit/right_side = 2
 13:7/0/terrains_peering_bit/top_side = 2
+13:7/0/custom_data_0 = true
 14:7/0 = 0
 14:7/0/terrain_set = 0
 14:7/0/terrains_peering_bit/left_side = 2
 14:7/0/terrains_peering_bit/top_side = 2
+14:7/0/custom_data_0 = true
 15:7/0 = 0
 15:7/0/terrain_set = 0
 15:7/0/terrain = 2
 15:7/0/terrains_peering_bit/bottom_side = 2
 15:7/0/terrains_peering_bit/top_side = 2
+15:7/0/custom_data_0 = true
 16:7/0 = 0
+16:7/0/custom_data_0 = true
 17:7/0 = 0
+17:7/0/custom_data_0 = true
 18:7/0 = 0
+18:7/0/custom_data_0 = true
 19:7/0 = 0
+19:7/0/custom_data_0 = true
 20:7/0 = 0
+20:7/0/custom_data_0 = true
 21:7/0 = 0
+21:7/0/custom_data_0 = true
 22:7/0 = 0
+22:7/0/custom_data_0 = true
 23:7/0 = 0
 24:7/0 = 0
 25:7/0 = 0
@@ -618,37 +791,45 @@ separation = Vector2i(1, 1)
 8:8/0/terrain = 2
 8:8/0/terrains_peering_bit/right_side = 2
 8:8/0/terrains_peering_bit/top_side = 2
+8:8/0/custom_data_0 = true
 9:8/0 = 0
 9:8/0/terrain_set = 0
 9:8/0/terrain = 2
 9:8/0/terrains_peering_bit/right_side = 2
 9:8/0/terrains_peering_bit/left_side = 2
 9:8/0/terrains_peering_bit/top_side = 2
+9:8/0/custom_data_0 = true
 10:8/0 = 0
 10:8/0/terrain_set = 0
 10:8/0/terrain = 2
 10:8/0/terrains_peering_bit/left_side = 2
 10:8/0/terrains_peering_bit/top_side = 2
+10:8/0/custom_data_0 = true
 11:8/0 = 0
 11:8/0/terrain_set = 0
 11:8/0/terrain = 2
 11:8/0/terrains_peering_bit/right_side = 2
+11:8/0/custom_data_0 = true
 12:8/0 = 0
 12:8/0/terrain_set = 0
 12:8/0/terrain = 2
 12:8/0/terrains_peering_bit/right_side = 2
 12:8/0/terrains_peering_bit/left_side = 2
+12:8/0/custom_data_0 = true
 13:8/0 = 0
 13:8/0/terrain_set = 0
 13:8/0/terrain = 2
 13:8/0/terrains_peering_bit/left_side = 2
+13:8/0/custom_data_0 = true
 14:8/0 = 0
 14:8/0/terrain_set = 0
 14:8/0/terrain = 2
+14:8/0/custom_data_0 = true
 15:8/0 = 0
 15:8/0/terrain_set = 0
 15:8/0/terrain = 2
 15:8/0/terrains_peering_bit/top_side = 2
+15:8/0/custom_data_0 = true
 16:8/0 = 0
 17:8/0 = 0
 18:8/0 = 0
@@ -823,15 +1004,12 @@ separation = Vector2i(1, 1)
 25:14/0 = 0
 26:14/0 = 0
 0:15/0 = 0
-0:15/0/z_index = 1
 1:15/0 = 0
-1:15/0/z_index = 1
 1:15/0/terrain_set = 0
 1:15/0/terrains_peering_bit/right_side = 1
 1:15/0/terrains_peering_bit/bottom_side = 1
 1:15/0/terrains_peering_bit/left_side = 1
 2:15/0 = 0
-2:15/0/z_index = 1
 3:15/0 = 0
 4:15/0 = 0
 5:15/0 = 0
@@ -857,9 +1035,7 @@ separation = Vector2i(1, 1)
 25:15/0 = 0
 26:15/0 = 0
 0:16/0 = 0
-0:16/0/z_index = 1
 1:16/0 = 0
-1:16/0/z_index = 1
 1:16/0/y_sort_origin = 1
 1:16/0/terrain_set = 0
 1:16/0/terrains_peering_bit/right_side = 1
@@ -867,23 +1043,14 @@ separation = Vector2i(1, 1)
 1:16/0/terrains_peering_bit/left_side = 1
 1:16/0/terrains_peering_bit/top_side = 1
 2:16/0 = 0
-2:16/0/z_index = 1
 3:16/0 = 0
-3:16/0/z_index = 1
 4:16/0 = 0
-4:16/0/z_index = 1
 5:16/0 = 0
-5:16/0/z_index = 1
 6:16/0 = 0
-6:16/0/z_index = 1
 7:16/0 = 0
-7:16/0/z_index = 1
 8:16/0 = 0
-8:16/0/z_index = 1
 9:16/0 = 0
-9:16/0/z_index = 1
 10:16/0 = 0
-10:16/0/z_index = 1
 11:16/0 = 0
 12:16/0 = 0
 13:16/0 = 0
@@ -903,42 +1070,32 @@ separation = Vector2i(1, 1)
 0:17/0 = 0
 0:17/0/z_index = 1
 1:17/0 = 0
-1:17/0/z_index = 1
 1:17/0/terrain_set = 0
 1:17/0/terrains_peering_bit/right_side = 1
 1:17/0/terrains_peering_bit/left_side = 1
 1:17/0/terrains_peering_bit/top_side = 1
 2:17/0 = 0
-2:17/0/z_index = 1
 2:17/0/terrain_set = 0
 2:17/0/terrains_peering_bit/right_side = 1
 2:17/0/terrains_peering_bit/bottom_side = 1
 2:17/0/terrains_peering_bit/top_side = 1
 3:17/0 = 0
-3:17/0/z_index = 1
 3:17/0/terrain_set = 0
 3:17/0/terrains_peering_bit/right_side = 1
 3:17/0/terrains_peering_bit/bottom_side = 1
 3:17/0/terrains_peering_bit/left_side = 1
 3:17/0/terrains_peering_bit/top_side = 1
 4:17/0 = 0
-4:17/0/z_index = 1
 4:17/0/terrain_set = 0
 4:17/0/terrains_peering_bit/bottom_side = 1
 4:17/0/terrains_peering_bit/left_side = 1
 4:17/0/terrains_peering_bit/top_side = 1
 5:17/0 = 0
-5:17/0/z_index = 1
 6:17/0 = 0
-6:17/0/z_index = 1
 7:17/0 = 0
-7:17/0/z_index = 1
 8:17/0 = 0
-8:17/0/z_index = 1
 9:17/0 = 0
-9:17/0/z_index = 1
 10:17/0 = 0
-10:17/0/z_index = 1
 11:17/0 = 0
 12:17/0 = 0
 13:17/0 = 0
@@ -968,6 +1125,9 @@ terrain_set_0/terrain_3/name = "Pavement"
 terrain_set_0/terrain_3/color = Color(0.835294, 0.831373, 0.870588, 1)
 terrain_set_0/terrain_4/name = "Roof_1"
 terrain_set_0/terrain_4/color = Color(0.886275, 0.870588, 0.811765, 1)
+navigation_layer_0/layers = 1
+custom_data_layer_0/name = "obstacle"
+custom_data_layer_0/type = 1
 sources/1 = SubResource("TileSetAtlasSource_vqaso")
 pattern_0 = SubResource("TileMapPattern_vrbvq")
 pattern_1 = SubResource("TileMapPattern_07llt")

Scenes/Camera/camera_controller.gd

@@ -0,0 +1,36 @@
+extends Node2D
+
+# To change the zoom
+@export var grid: Resource
+
+@export var CameraSpeedMult = 2
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	if Input.is_action_pressed("MoveUp"):
+		_moveCamera(Vector2.UP)
+	if Input.is_action_pressed("MoveDown"):
+		_moveCamera(Vector2.DOWN)
+	if Input.is_action_pressed("MoveLeft"):
+		_moveCamera(Vector2.LEFT)
+	if Input.is_action_pressed("MoveRight"):
+		_moveCamera(Vector2.RIGHT)
+		
+	if Input.is_action_just_released("ZoomIn"):
+		_zoomCamera(Vector2.ONE)
+	if Input.is_action_just_released("ZoomOut"):
+		_zoomCamera(-Vector2.ONE)
+		
+func _moveCamera(direction: Vector2):
+	position += direction * CameraSpeedMult
+	grid.setCameraPosition($SmartCamera2D.position)
+	grid.setScreenCenter($SmartCamera2D.get_screen_center_position())
+	
+func _zoomCamera(direction: Vector2):
+	$SmartCamera2D.zoom += direction
+	grid.setCameraZoom($SmartCamera2D.zoom)

Scenes/Camera/camera_controller.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=4 format=3 uid="uid://bfvijh611aggp"]
+
+[ext_resource type="Script" uid="uid://brublmhrsdc7l" path="res://Scenes/Camera/camera_controller.gd" id="1_ig7ij"]
+[ext_resource type="Script" uid="uid://xrddv2epi3ty" path="res://addons/smartcamera2D/SmartCamera2D.gd" id="2_du7i2"]
+[ext_resource type="Texture2D" uid="uid://bq6ud1dmn8fds" path="res://addons/smartcamera2D/Camera2D.svg" id="3_bg4ca"]
+
+[node name="CameraController" type="Node2D"]
+script = ExtResource("1_ig7ij")
+metadata/_edit_group_ = true
+
+[node name="SmartCamera2D" type="Camera2D" parent="."]
+limit_left = 0
+limit_top = 0
+limit_right = 800
+limit_bottom = 480
+limit_smoothed = true
+position_smoothing_enabled = true
+script = ExtResource("2_du7i2")
+target = NodePath("..")
+metadata/_custom_type_script = "uid://xrddv2epi3ty"
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("3_bg4ca")

Scenes/Main/camera_controller.gd

@@ -1,17 +0,0 @@
-extends Node2D
-
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	pass # Replace with function body.
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	if Input.is_action_pressed("MoveUp"):
-		global_position += Vector2.UP * 2
-	if Input.is_action_pressed("MoveDown"):
-		global_position += Vector2.DOWN * 2
-	if Input.is_action_pressed("MoveLeft"):
-		global_position += Vector2.LEFT * 2
-	if Input.is_action_pressed("MoveRight"):
-		global_position += Vector2.RIGHT * 2

Scenes/Main/cursor.gd

@@ -0,0 +1,78 @@
+## Player-controlled cursor. Allows them to navigate the game grid, select units, and move them.
+## Supports both keyboard and mouse (or touch) input.
+@tool
+class_name Cursor
+extends Node2D
+
+## Emitted when clicking on the currently hovered cell or when pressing "ui_accept".
+signal accept_pressed(cell)
+## Emitted when the cursor moved to a new cell.
+signal moved(new_cell)
+
+## Grid resource, giving the node access to the grid size, and more.
+@export var grid: Resource
+## Time before the cursor can move again in seconds.
+@export var ui_cooldown := 0.1
+
+## Coordinates of the current cell the cursor is hovering.
+var cell := Vector2.ZERO:
+	set(value):
+		# We first clamp the cell coordinates and ensure that we aren't
+		#	trying to move outside the grid boundaries
+		var new_cell: Vector2 = grid.clamp(value)
+		if new_cell.is_equal_approx(cell):
+			return
+		
+		cell = new_cell
+		# If we move to a new cell, we update the cursor's position, emit
+		#	a signal, and start the cooldown timer that will limit the rate
+		#	at which the cursor moves when we keep the direction key held
+		#	down
+		
+		global_position = GroundLayer.map_to_local(cell)
+		emit_signal("moved", cell)
+		_timer.start()
+
+@onready var _timer: Timer = $Timer
+
+@onready var Map: Node = $"../../Map"
+@onready var GroundLayer: TileMapLayer = $"../../Map/Ground"
+
+func _ready() -> void:
+#	Map = get_parent().get_parent().get_node("Map")
+#	GroundLayer = Map.get_node("Ground")
+#	
+	_timer.wait_time = ui_cooldown
+	#position = grid.calculateMapPosition(cell)
+	position = GroundLayer.map_to_local(cell)
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	# Navigating cells with the mouse.
+	if event is InputEventMouseMotion:
+		cell = GroundLayer.local_to_map(event.position)
+	# Trying to select something in a cell.
+	elif event.is_action_pressed("Select") or event.is_action_pressed("ui_accept"):
+		emit_signal("accept_pressed", cell)
+		get_viewport().set_input_as_handled()
+
+	var should_move := event.is_pressed() 
+	if event.is_echo():
+		should_move = should_move and _timer.is_stopped()
+
+	if not should_move:
+		return
+
+	# Moves the cursor by one grid cell.
+	if event.is_action("ui_right"):
+		cell += Vector2.RIGHT
+	elif event.is_action("ui_up"):
+		cell += Vector2.UP
+	elif event.is_action("ui_left"):
+		cell += Vector2.LEFT
+	elif event.is_action("ui_down"):
+		cell += Vector2.DOWN
+
+
+func _draw() -> void:
+	draw_rect(Rect2(-grid.cellSize / 2, grid.cellSize), Color.ALICE_BLUE, false, 2.0)

Scenes/Main/cursor.gd.uid

@@ -0,0 +1 @@
+uid://cidjtc27oj1gn

Scenes/Main/game_board.gd

@@ -0,0 +1,142 @@
+## Represents and manages the game board. Stores references to entities that are in each cell and
+## tells whether cells are occupied or not.
+## Units can only move around the grid one at a time.
+class_name GameBoard
+extends Node2D
+
+const DIRECTIONS = [Vector2.LEFT, Vector2.RIGHT, Vector2.UP, Vector2.DOWN]
+
+## Resource of type Grid.
+@export var grid: Resource
+
+## Mapping of coordinates of a cell to a reference to the unit it contains.
+var _units := {}
+var _active_unit: Unit
+var _walkable_cells := []
+
+#@onready var _unit_overlay: UnitOverlay = $UnitOverlay
+#@onready var _unit_path: UnitPath = $UnitPath
+
+
+func _ready() -> void:
+	_reinitialize()
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	if _active_unit and event.is_action_pressed("ui_cancel"):
+		_deselect_active_unit()
+		_clear_active_unit()
+
+
+func _get_configuration_warning() -> String:
+	var warning := ""
+	if not grid:
+		warning = "You need a Grid resource for this node to work."
+	return warning
+
+
+## Returns `true` if the cell is occupied by a unit.
+func is_occupied(cell: Vector2) -> bool:
+	return _units.has(cell)
+
+
+## Returns an array of cells a given unit can walk using the flood fill algorithm.
+func get_walkable_cells(unit: Unit) -> Array:
+	return _flood_fill(unit.cell, unit.move_range)
+
+
+## Clears, and refills the `_units` dictionary with game objects that are on the board.
+func _reinitialize() -> void:
+	_units.clear()
+
+	for child in get_children():
+		var unit := child as Unit
+		if not unit:
+			continue
+		_units[unit.cell] = unit
+
+
+## Returns an array with all the coordinates of walkable cells based on the `max_distance`.
+func _flood_fill(cell: Vector2, max_distance: int) -> Array:
+	var array := []
+	var stack := [cell]
+	while not stack.size() == 0:
+		var current = stack.pop_back()
+		if not grid.is_within_bounds(current):
+			continue
+		if current in array:
+			continue
+
+		var difference: Vector2 = (current - cell).abs()
+		var distance := int(difference.x + difference.y)
+		if distance > max_distance:
+			continue
+
+		array.append(current)
+		for direction in DIRECTIONS:
+			var coordinates: Vector2 = current + direction
+			if is_occupied(coordinates):
+				continue
+			if coordinates in array:
+				continue
+			# Minor optimization: If this neighbor is already queued
+			#	to be checked, we don't need to queue it again
+			if coordinates in stack:
+				continue
+
+			stack.append(coordinates)
+	return array
+
+
+## Updates the _units dictionary with the target position for the unit and asks the _active_unit to walk to it.
+func _move_active_unit(new_cell: Vector2) -> void:
+	if is_occupied(new_cell) or not new_cell in _walkable_cells:
+		return
+	# warning-ignore:return_value_discarded
+	_units.erase(_active_unit.cell)
+	_units[new_cell] = _active_unit
+	_deselect_active_unit()
+#	_active_unit.walk_along(_unit_path.current_path)
+	await _active_unit.walk_finished
+	_clear_active_unit()
+
+
+## Selects the unit in the `cell` if there's one there.
+## Sets it as the `_active_unit` and draws its walkable cells and interactive move path. 
+func _select_unit(cell: Vector2) -> void:
+	if not _units.has(cell):
+		return
+
+	_active_unit = _units[cell]
+	_active_unit.is_selected = true
+	_walkable_cells = get_walkable_cells(_active_unit)
+#	_unit_overlay.draw(_walkable_cells)
+#	_unit_path.initialize(_walkable_cells)
+
+
+## Deselects the active unit, clearing the cells overlay and interactive path drawing.
+func _deselect_active_unit() -> void:
+	_active_unit.is_selected = false
+#	_unit_overlay.clear()
+#	_unit_path.stop()
+
+
+## Clears the reference to the _active_unit and the corresponding walkable cells.
+func _clear_active_unit() -> void:
+	_active_unit = null
+	_walkable_cells.clear()
+
+
+## Selects or moves a unit based on where the cursor is.
+func _on_Cursor_accept_pressed(cell: Vector2) -> void:
+	if not _active_unit:
+		_select_unit(cell)
+	elif _active_unit.is_selected:
+		_move_active_unit(cell)
+
+
+## Updates the interactive path's drawing if there's an active and selected unit.
+func _on_Cursor_moved(new_cell: Vector2) -> void:
+#	if _active_unit and _active_unit.is_selected:
+#		_unit_path.draw(_active_unit.cell, new_cell)
+	pass

Scenes/Main/game_board.gd.uid

@@ -0,0 +1 @@
+uid://14cwbxcvt5dx

Scenes/Main/grid_debug.gd

@@ -0,0 +1,16 @@
+extends Node2D
+
+@export var grid: Resource
+
+func _drawO():
+	var gridSize = grid.size
+	var cellSize = grid.cellSize
+	
+	var rectSize: Vector2 = Vector2(float(cellSize), float(cellSize))
+	var rectPos: Vector2 = Vector2.ZERO
+	
+	for x in range(gridSize.x):
+		for y in range(gridSize.y):
+			rectPos = Vector2(x, y)
+			var cellRect := Rect2(rectPos, rectSize)
+			draw_rect(cellRect, Color.ALICE_BLUE, false, 2.0)

Scenes/Main/grid_debug.gd.uid

@@ -0,0 +1 @@
+uid://dukn3yshfepum

Scenes/Main/grid_display.gd

@@ -0,0 +1,17 @@
+extends Control
+
+var grid: AStarGrid2D:
+	set(v): grid = v; queue_redraw()
+var show_grid_display: bool:
+	set(v): show_grid_display = v; queue_redraw()
+	
+func toggle_grid_display(on: bool):
+	show_grid_display = on
+
+func _draw():
+	if not grid or not show_grid_display: return
+	for x in grid.region.size.x:
+		for y in grid.region.size.y:
+			var p = Vector2(x, y)
+			var col = Color(1,0,0,0.3) if grid.is_point_solid(p) else Color(0,1,0,0.3)
+			draw_rect(Rect2(p*grid.cell_size, grid.cell_size), col)

Scenes/Main/grid_display.gd.uid

@@ -0,0 +1 @@
+uid://dtme43jtijpok

Scenes/Main/main.gd

@@ -1,18 +1,82 @@
 extends Node
 
+@export var grid: Resource
+
 @onready var _Map: Node = $Map
-#@onready var _Player = $Player
+@onready var _Camera = $CameraController
-#@onready var _Camera = $WorldCamera
 
-@export var mapSize: int = 15
+# Units
+var _UnitScene = preload("res://Scenes/Unit/unit.tscn")
+var _Units: Array[Unit] = []
 
+# MovingMarker
+var _MovingMarkerScene = preload("res://Scenes/Unit/marker.tscn")
+var _MovingMarker: Node2D = _MovingMarkerScene.instantiate()
+#@export var mapSize: int = 15
+
+@onready var UnitCamera: SmartCamera2D = $SmartCamera2D
+
+@onready var GroundLayer: TileMapLayer = $Map/Ground
+
+var aStarGrid: AStarGrid2D:
+	set(v): aStarGrid = v;
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	var thread: Thread = Thread.new()
+#	add_child(_MovingMarker)
-	thread.start(func(): _Map.generate_map(mapSize))
+#	_MovingMarker.hide()
-	thread.wait_to_finish()
+#	
+	# create unit at local position (50, 50) => eg mouse position
+	_createUnit(GroundLayer.local_to_map(Vector2i(50, 50)))
+	# create unit at map position (50, 50) => tile x = 50, y = 50 in the map
+	_createUnit(GroundLayer.map_to_local(Vector2i(25,25)))
+	
+	for unit in _Units:
+		add_child(unit)
+
+#	$CameraController.position = get_viewport().get_camera_2d().get_screen_center_position()
+	var firstUnit: Node2D = _Units[0]
+#	if firstUnit.is_node_ready():
+#		UnitCamera.target = _Units[0].get_path_to(get_parent())
+#	UnitCamera.target_node = _Units[0]
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
 	pass
+
+func _createUnit(pos: Vector2i):
+	var newUnit = _UnitScene.instantiate()
+	newUnit.set("_spawnPosition", pos)
+	_Units.append(newUnit as Unit)
+
+func _input(event: InputEvent) -> void:
+	if event.is_action_pressed("SetMarker"):
+		print("Action is SetMarker")
+#		_MovingMarker.global_position = _getMousePosition(event).position
+		_MovingMarker.position = GroundLayer.local_to_map(event.position)
+		_MovingMarker.show()
+
+
+func _getScreenCenter():
+	return get_viewport().get_camera_2d().get_screen_center_position()
+
+	
+func _getMousePosition(event: InputEvent):
+	return get_viewport().get_camera_2d().make_input_local(event)
+
+
+#func prepareAStarGrid():
+#	var astarGrid = AStarGrid2D.new()
+#	astarGrid.cell_size = GroundLayer.tile_set.tile_size
+#	astarGrid.region = Rect2(Vector2.ZERO, ceil(get_viewport_rect().size / astarGrid.cell_size))
+#	astarGrid.update()
+#	
+#	for id in ObstacleLayer.get_used_cells():
+#		var data: TileData = ObstacleLayer.get_cell_tile_data(id)
+#		if data and data.get_custom_data('obstacle'):
+#			astarGrid.set_point_solid(id)
+#		
+#	%GridDisplay.grid = astarGrid
+
+func get_cell_information(cell):
+	print(cell)

Scenes/Main/main.tscn

@@ -1,27 +1,76 @@
-[gd_scene load_steps=6 format=3 uid="uid://d05j5yuhlsxp0"]
+[gd_scene load_steps=10 format=3 uid="uid://d05j5yuhlsxp0"]
 
 [ext_resource type="PackedScene" uid="uid://cywuuce71rmgb" path="res://Scenes/Map/map.tscn" id="1_1r6ip"]
 [ext_resource type="Script" uid="uid://btdvxp8ckmeb3" path="res://Scenes/Main/main.gd" id="1_qw60k"]
-[ext_resource type="Script" uid="uid://brublmhrsdc7l" path="res://Scenes/Main/camera_controller.gd" id="3_p6jpk"]
+[ext_resource type="Script" uid="uid://14cwbxcvt5dx" path="res://Scenes/Main/game_board.gd" id="4_5yls4"]
-[ext_resource type="Script" uid="uid://xrddv2epi3ty" path="res://addons/smartcamera2D/SmartCamera2D.gd" id="3_qw60k"]
+[ext_resource type="Resource" uid="uid://bpf7mj7w5kftq" path="res://Resource/Grid.tres" id="5_p6jpk"]
-[ext_resource type="Texture2D" uid="uid://bq6ud1dmn8fds" path="res://addons/smartcamera2D/Camera2D.svg" id="5_2a143"]
+[ext_resource type="Script" uid="uid://dukn3yshfepum" path="res://Scenes/Main/grid_debug.gd" id="5_y3v7k"]
+[ext_resource type="PackedScene" uid="uid://b1d6lktijxy3s" path="res://Scenes/Unit/move/unit.tscn" id="6_2a143"]
+[ext_resource type="Script" uid="uid://cidjtc27oj1gn" path="res://Scenes/Main/cursor.gd" id="7_y3v7k"]
+[ext_resource type="Script" uid="uid://dtme43jtijpok" path="res://Scenes/Main/grid_display.gd" id="8_y3v7k"]
+
+[sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_y3v7k"]
 
 [node name="Main" type="Node"]
 script = ExtResource("1_qw60k")
-mapSize = 100
+grid = ExtResource("5_p6jpk")
 
 [node name="Map" parent="." instance=ExtResource("1_1r6ip")]
 
-[node name="CameraController" type="Node2D" parent="."]
+[node name="GameBoard" type="Node2D" parent="."]
-script = ExtResource("3_p6jpk")
+script = ExtResource("4_5yls4")
-metadata/_edit_group_ = true
+grid = ExtResource("5_p6jpk")
 
-[node name="SmartCamera2D" type="Camera2D" parent="CameraController"]
+[node name="GridDebug" type="Node2D" parent="GameBoard"]
-script = ExtResource("3_qw60k")
+script = ExtResource("5_y3v7k")
-target = NodePath("..")
+grid = ExtResource("5_p6jpk")
-metadata/_custom_type_script = "uid://xrddv2epi3ty"
 
-[node name="Sprite2D" type="Sprite2D" parent="CameraController"]
+[node name="Unit" parent="GameBoard" instance=ExtResource("6_2a143")]
-texture = ExtResource("5_2a143")
+position = Vector2(400, 224)
+grid = ExtResource("5_p6jpk")
 
-[editable path="Map"]
+[node name="Sprite2D" parent="GameBoard/Unit/PathFollow2D" index="1"]
+texture = null
+
+[node name="Cursor" type="Node2D" parent="GameBoard"]
+position = Vector2(8, 8)
+script = ExtResource("7_y3v7k")
+grid = ExtResource("5_p6jpk")
+
+[node name="Sprite2D" type="Sprite2D" parent="GameBoard/Cursor"]
+position = Vector2(10, -10)
+
+[node name="Timer" type="Timer" parent="GameBoard/Cursor"]
+wait_time = 0.1
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+position = Vector2(50, 50)
+scale = Vector2(2, 2)
+texture = SubResource("PlaceholderTexture2D_y3v7k")
+
+[node name="HUD" type="CanvasLayer" parent="."]
+
+[node name="GridDisplay" type="Control" parent="HUD"]
+unique_name_in_owner = true
+layout_mode = 3
+anchors_preset = 0
+offset_right = 40.0
+offset_bottom = 40.0
+script = ExtResource("8_y3v7k")
+
+[node name="MarginContainer" type="MarginContainer" parent="HUD/GridDisplay"]
+layout_mode = 0
+offset_right = 40.0
+offset_bottom = 40.0
+
+[node name="PanelContainer" type="PanelContainer" parent="HUD/GridDisplay/MarginContainer"]
+layout_mode = 2
+
+[node name="ShowGrid" type="CheckBox" parent="HUD/GridDisplay/MarginContainer/PanelContainer"]
+layout_mode = 2
+text = "Show Grid"
+
+[connection signal="accept_pressed" from="GameBoard/Cursor" to="." method="get_cell_information"]
+[connection signal="toggled" from="HUD/GridDisplay/MarginContainer/PanelContainer/ShowGrid" to="HUD/GridDisplay" method="toggle_grid_display"]
+
+[editable path="GameBoard/Unit"]

Scenes/Main/main_old.gd

@@ -0,0 +1,18 @@
+extends Node
+
+@onready var _Map: Node = $Map
+#@onready var _Player = $Player
+#@onready var _Camera = $WorldCamera
+
+@export var mapSize: int = 15
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	var thread: Thread = Thread.new()
+	thread.start(func(): _Map.generate_map(mapSize))
+	thread.wait_to_finish()
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass

Scenes/Main/main_old.gd.uid

@@ -0,0 +1 @@
+uid://c2kiqy4eqhpoi

Scenes/Map/map_new.gd

@@ -0,0 +1,45 @@
+extends Node2D
+
+@onready var GroundLayer: TileMapLayer = $Ground
+@onready var ObstacleLayer: TileMapLayer = $Obstacles
+# Maybe a SubClass that is a Singleton, so we can create one grid
+# and then change it per Map
+var astarGrid: AStarGrid2D
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	#astarGrid = generateSimpleGrid()
+	astarGrid = generateObstacleGrid()
+	%GridDisplay.grid = astarGrid
+
+func generateSimpleGrid() -> AStarGrid2D:
+	var grid = AStarGrid2D.new()
+	grid.cell_size = Vector2(GroundLayer.tile_set.tile_size)
+	grid.region = GroundLayer.get_used_rect()
+	grid.update()
+	
+	for id in GroundLayer.get_used_cells():
+		var data: TileData = GroundLayer.get_cell_tile_data(id)
+		if data and data.get_custom_data('obstacle'):
+			grid.set_point_solid(id)
+	
+	return grid
+
+func generateObstacleGrid() -> AStarGrid2D:
+	astarGrid = AStarGrid2D.new()
+	astarGrid.cell_size = Vector2(GroundLayer.tile_set.tile_size)
+	astarGrid.region = GroundLayer.get_used_rect()
+	astarGrid.update()
+	
+	var layers = ObstacleLayer.get_children()
+	for layer in layers:
+		for id in layer.get_used_cells():
+			var data: TileData = layer.get_cell_tile_data(id)
+			if data and data.get_custom_data('obstacle'):
+				astarGrid.set_point_solid(id)
+	
+	return astarGrid
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass

Scenes/Map/map_new.gd.uid

@@ -0,0 +1 @@
+uid://dlnu7a7viuh8a

Scenes/Unit/marker.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=3 format=3 uid="uid://bhcenjcsstaaf"]
+
+[ext_resource type="Texture2D" uid="uid://cxtkb8rqq0j6r" path="res://Graphics/TileMaps/kenney_rpgUrbanKit/Tiles/tile_0407.png" id="1_y5thb"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_4a8kw"]
+size = Vector2(16, 16)
+
+[node name="Marker" type="Node2D"]
+top_level = true
+z_index = 20
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_y5thb")
+
+[node name="Area2D" type="Area2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+shape = SubResource("RectangleShape2D_4a8kw")

Scenes/Unit/move/unit.tscn

@@ -0,0 +1,87 @@
+[gd_scene load_steps=11 format=3 uid="uid://b1d6lktijxy3s"]
+
+[ext_resource type="Script" uid="uid://c8ocnhejcdc77" path="res://unit.gd" id="1_astap"]
+[ext_resource type="Texture2D" uid="uid://cgvyfsuri6vmx" path="res://Graphics/TileMaps/kenney_rpgUrbanKit/Tilemap/tilemap.png" id="2_fhoaw"]
+[ext_resource type="Texture2D" uid="uid://dlaevn54qcvej" path="res://Graphics/TileMaps/kenney_rpgUrbanKit/Tiles/tile_0267.png" id="3_fhoaw"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_4o1a4"]
+atlas = ExtResource("2_fhoaw")
+region = Rect2(408, 51, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_hn0wa"]
+atlas = ExtResource("2_fhoaw")
+region = Rect2(408, 68, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_jt11o"]
+atlas = ExtResource("2_fhoaw")
+region = Rect2(408, 85, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_e33ge"]
+atlas = ExtResource("2_fhoaw")
+region = Rect2(408, 68, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_px3ay"]
+atlas = ExtResource("2_fhoaw")
+region = Rect2(408, 85, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_6ceyn"]
+atlas = ExtResource("2_fhoaw")
+region = Rect2(34, 255, 16, 16)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_lgeeq"]
+animations = [{
+"frames": [],
+"loop": true,
+"name": &"default",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_4o1a4")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_hn0wa")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_jt11o")
+}],
+"loop": true,
+"name": &"down",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_e33ge")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_px3ay")
+}],
+"loop": true,
+"name": &"idle",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_6ceyn")
+}, {
+"duration": 1.0,
+"texture": null
+}],
+"loop": true,
+"name": &"selected",
+"speed": 5.0
+}]
+
+[node name="Unit" type="Path2D"]
+script = ExtResource("1_astap")
+
+[node name="PathFollow2D" type="PathFollow2D" parent="."]
+rotates = false
+
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="PathFollow2D"]
+visible = false
+sprite_frames = SubResource("SpriteFrames_lgeeq")
+animation = &"down"
+
+[node name="Sprite2D" type="Sprite2D" parent="PathFollow2D"]
+texture = ExtResource("3_fhoaw")

Scenes/Unit/unit.gd

@@ -0,0 +1,91 @@
+extends Node2D
+
+class_name Unit
+
+signal walk_finished
+
+@export var grid: Resource
+
+var _spawnPosition: Vector2
+
+@onready var _readyToSelectMarker: Sprite2D = $ReadyToSelectMarker
+@onready var _selectedMarker: Sprite2D = $SelectedMarker
+
+var _readyToSelect: bool = false
+
+var isSelected := false:
+	set(value):
+		isSelected = value
+		if isSelected: _selectUnit()
+		else: _deselectUnit()
+
+var TargetPosition: Vector2
+var _isMoving := false:
+	set(value):
+		_isMoving = value
+		set_process(_isMoving)	
+
+## Unit Data
+### Distance in cells
+@export var moveRange := 6
+### Speed along the path
+@export var moveSpeed := 600.0
+
+# Coordinates of the current cell the cursor moved to
+var cell := Vector2.ZERO:
+	set(value):
+		# When changing the cell's value, we don't want to allow coordinates outside the grid.
+		cell = grid.clamp(value)
+@onready var _path: Path2D = $Path2D
+@onready var _pathFollow: PathFollow2D = $Path2D/PathFollow2D
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	# Spawning
+	global_position = _spawnPosition
+	_readyToSelectMarker.hide()
+	_selectedMarker.hide()
+
+	# Pathing and Grid	
+	set_process(false)
+	_pathFollow.rotates = false
+	
+	cell = grid.calculateGridCoordinates(position)
+	position = grid.calculateMapPosition(cell)
+	
+	# We create the curve resource here because creating it in the editor prevents
+	# us from moving the unit.
+	if not Engine.is_editor_hint():
+		_path.curve = Curve2D.new()
+	
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+	
+func _input(event: InputEvent):
+	if event.is_action_pressed("Select"):
+		print_debug("Action is Select")
+		
+		# We combine it with the fact that it is already marked (@see _markUnit)
+		if _readyToSelect: isSelected = true 
+		else: isSelected = false
+	
+func _selectUnit():
+	_selectedMarker.show()
+
+func _deselectUnit():
+	_selectedMarker.hide()
+
+func _gets_selected(viewport: Node, event: InputEvent, shape_index: int):
+	if event.is_action_pressed("Select") and event.position == position:
+		_selectUnit()
+
+func _markUnit():
+	_readyToSelect = true
+	_readyToSelectMarker.show()
+
+func _unMarkUnit():
+	_readyToSelect = false
+	_readyToSelectMarker.hide()
+	
+func moveToTarget():
+	pass

Scenes/Unit/unit.gd.uid

@@ -0,0 +1 @@
+uid://dpu6c0bpm0dvl

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+animation = &"down"
+
+[node name="ReadyToSelectMarker" type="Sprite2D" parent="."]
+position = Vector2(-0.225, -8)
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("3_ladk0")
+
+[node name="SelectedMarker" type="Sprite2D" parent="."]
+position = Vector2(-0.225, -8)
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("4_iuf4a")
+
+[node name="MovingMarker" type="Sprite2D" parent="."]
+visible = false
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("5_ulevp")
+
+[node name="Area2D" type="Area2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+shape = SubResource("RectangleShape2D_15sed")
+
+[node name="Path2D" type="Path2D" parent="."]
+
+[node name="PathFollow2D" type="PathFollow2D" parent="Path2D"]
+
+[connection signal="mouse_entered" from="Area2D" to="." method="_markUnit"]
+[connection signal="mouse_exited" from="Area2D" to="." method="_unMarkUnit"]

addons/smartcamera2D/Camera2D.svg

@@ -1 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#8da5f3" d="M9 2a3 3 0 0 0-3 2.777 3 3 0 1 0-3 5.047V12a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1v-1l3 2V7l-3 2V7.23A3 3 0 0 0 9 2z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16">
+    <path fill="#8da5f3"
+          d="M9 2a3 3 0 0 0-3 2.777 3 3 0 1 0-3 5.047V12a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1v-1l3 2V7l-3 2V7.23A3 3 0 0 0 9 2z"/>
+</svg>

addons/smartcamera2D/Camera2D.svg.import

@@ -18,6 +18,8 @@ dest_files=["res://.godot/imported/Camera2D.svg-e2316bbab95f65a3786cbb6cb8741380
 compress/mode=0
 compress/high_quality=false
 compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
@@ -25,6 +27,10 @@ mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false

addons/smartcamera2D/plugin.cfg

@@ -1,7 +1,7 @@
 [plugin]
 
-name="smartcamera2D"
+name = "smartcamera2D"
-description="A plug-and-play camera controller with smooth follow, screen shake, zoom"
+description = "A plug-and-play camera controller with smooth follow, screen shake, zoom"
-author="Async Studio"
+author = "Async Studio"
-version="1.0"
+version = "1.0"
-script="plugin.gd"
+script = "plugin.gd"

game_icon.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dorwg1gp5fr41"
+path="res://.godot/imported/game_icon.png-389b50e564fffef90defc972f4d00b12.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://game_icon.png"
+dest_files=["res://.godot/imported/game_icon.png-389b50e564fffef90defc972f4d00b12.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+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/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+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

icon.svg

@@ -1 +1,15 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/><g fill="#fff" transform="translate(12.322 12.322)scale(.101)"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042" transform="translate(12.322 12.322)scale(.101)"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128">
+    <rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/>
+    <g fill="#fff" transform="translate(12.322 12.322)scale(.101)">
+        <path d="M105 673v33q407 354 814 0v-33z"/>
+        <path fill="#478cbf"
+              d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/>
+        <path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/>
+        <circle cx="725" cy="526" r="90"/>
+        <circle cx="299" cy="526" r="90"/>
+    </g>
+    <g fill="#414042" transform="translate(12.322 12.322)scale(.101)">
+        <circle cx="307" cy="532" r="60"/>
+        <circle cx="717" cy="532" r="60"/>
+    </g>
+</svg>

icon.svg.import

@@ -18,6 +18,8 @@ dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.cte
 compress/mode=0
 compress/high_quality=false
 compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
@@ -25,6 +27,10 @@ mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false

project.godot

@@ -12,8 +12,8 @@ config_version=5
 
 config/name="TurnBasedStrategyGame"
 run/main_scene="uid://d05j5yuhlsxp0"
-config/features=PackedStringArray("4.4", "GL Compatibility")
+config/features=PackedStringArray("4.5", "GL Compatibility")
-config/icon="res://icon.svg"
+config/icon="uid://dorwg1gp5fr41"
 
 [autoload]
 
@@ -60,8 +60,31 @@ MoveRight={
 , Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194321,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+Select={
+"deadzone": 0.2,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"canceled":false,"pressed":false,"double_click":false,"script":null)
+]
+}
+SetMarker={
+"deadzone": 0.2,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":2,"canceled":false,"pressed":false,"double_click":false,"script":null)
+]
+}
+ZoomIn={
+"deadzone": 0.2,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":4,"canceled":false,"pressed":false,"double_click":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":true,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":43,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+ZoomOut={
+"deadzone": 0.2,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":5,"canceled":false,"pressed":false,"double_click":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":true,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":47,"key_label":0,"unicode":45,"location":0,"echo":false,"script":null)
+]
+}
 
 [rendering]
 
+textures/canvas_textures/default_texture_filter=0
 renderer/rendering_method="gl_compatibility"
 renderer/rendering_method.mobile="gl_compatibility"

unit.gd

@@ -0,0 +1,93 @@
+## Represents a unit on the game board.
+## The board manages its position inside the game grid.
+## The unit itself holds stats and a visual representation that moves smoothly in the game world.
+@tool
+class_name Unit_Move
+extends Path2D
+
+## Emitted when the unit reached the end of a path along which it was walking.
+signal walk_finished
+
+## Shared resource of type Grid, used to calculate map coordinates.
+@export var grid: Resource
+## Distance to which the unit can walk in cells.
+@export var move_range := 6
+## The unit's move speed when it's moving along a path.
+@export var move_speed := 600.0
+## Texture representing the unit.
+@export var skin: Texture:
+	set(value):
+		skin = value
+		if not _sprite:
+			# This will resume execution after this node's _ready()
+			await ready
+		_sprite.texture = value
+## Offset to apply to the `skin` sprite in pixels.
+@export var skin_offset := Vector2.ZERO:
+	set(value):
+		skin_offset = value
+		if not _sprite:
+			await ready
+		_sprite.position = value
+
+## Coordinates of the current cell the cursor moved to.
+var cell := Vector2.ZERO:
+	set(value):
+		# When changing the cell's value, we don't want to allow coordinates outside
+		#	the grid, so we clamp them
+		cell = grid.clamp(value)
+## Toggles the "selected" animation on the unit.
+var is_selected := false:
+	set(value):
+		is_selected = value
+		if is_selected:
+			_sprite.play("selected")
+		else:
+			_sprite.play("idle")
+
+var _is_walking := false:
+	set(value):
+		_is_walking = value
+		set_process(_is_walking)
+
+@onready var _sprite: AnimatedSprite2D = $PathFollow2D/AnimatedSprite2D
+#@onready var _anim_player: AnimationPlayer = $AnimationPlayer
+@onready var _path_follow: PathFollow2D = $PathFollow2D
+
+
+func _ready() -> void:
+	set_process(false)
+	_path_follow.rotates = false
+
+	cell = grid.calculateGridCoordinates(position)
+	position = grid.calculateMapPosition(cell)
+
+	# We create the curve resource here because creating it in the editor prevents us from
+	# moving the unit.
+	if not Engine.is_editor_hint():
+		curve = Curve2D.new()
+
+
+func _process(delta: float) -> void:
+	_path_follow.progress += move_speed * delta
+
+	if _path_follow.progress_ratio >= 1.0:
+		_is_walking = false
+		# Setting this value to 0.0 causes a Zero Length Interval error
+		_path_follow.progress = 0.00001
+		position = grid.calculateMapPosition(cell)
+		curve.clear_points()
+		emit_signal("walk_finished")
+
+
+## Starts walking along the `path`.
+## `path` is an array of grid coordinates that the function converts to map coordinates.
+func walk_along(path: PackedVector2Array) -> void:
+	if path.is_empty():
+		return
+
+	curve.add_point(Vector2.ZERO)
+	for point in path:
+		curve.add_point(grid.calculateMapPosition(point) - position)
+	cell = path[-1]
+	_is_walking = true

unit.gd.uid

@@ -0,0 +1 @@
+uid://c8ocnhejcdc77