add letter block

graphics/hud/letter_blocks.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/letter_blocks.png-b999452f443d17ac8d79aa4caf470f5a.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://graphics/hud/letter_blocks.png"
+dest_files=[ "res://.import/letter_blocks.png-b999452f443d17ac8d79aa4caf470f5a.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=false
+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

maps/test_room.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=29 format=2]
+[gd_scene load_steps=30 format=2]
 
 [ext_resource path="res://objects/enemy/squig.tscn" type="PackedScene" id=1]
 [ext_resource path="res://tilesets/t_cave.tres" type="TileSet" id=2]
@@ -7,6 +7,7 @@
 [ext_resource path="res://tilesets/t_death.tres" type="TileSet" id=5]
 [ext_resource path="res://objects/Camera2D.tscn" type="PackedScene" id=6]
 [ext_resource path="res://graphics/backgrounds/canopy.png" type="Texture" id=7]
+[ext_resource path="res://objects/hud/letter_block.tscn" type="PackedScene" id=8]
 [ext_resource path="res://objects/environment/rock/rock.tscn" type="PackedScene" id=9]
 [ext_resource path="res://objects/enemy/slime.tscn" type="PackedScene" id=10]
 [ext_resource path="res://maps/map.gd" type="Script" id=11]
@@ -132,7 +133,6 @@ position = Vector2( 48, 120 )
 
 [node name="AnimatedSprite" parent="RollingFiend" index="0"]
 visible = false
-frame = 1
 
 [node name="SawTest2" type="AnimatedSprite" parent="RollingFiend"]
 material = SubResource( 4 )
@@ -170,4 +170,32 @@ position = Vector2( 112, 176 )
 [node name="Squig" parent="." instance=ExtResource( 1 )]
 position = Vector2( 128, 152 )
 
+[node name="LetterBlock" parent="." instance=ExtResource( 8 )]
+position = Vector2( 184, 160 )
+glyph = 16
+
+[node name="LetterBlock2" parent="." instance=ExtResource( 8 )]
+position = Vector2( 192, 152 )
+glyph = 16
+
+[node name="LetterBlock3" parent="." instance=ExtResource( 8 )]
+position = Vector2( 176, 144 )
+glyph = 16
+
+[node name="LetterBlock4" parent="." instance=ExtResource( 8 )]
+position = Vector2( 192, 136 )
+glyph = 16
+
+[node name="LetterBlock5" parent="." instance=ExtResource( 8 )]
+position = Vector2( 216, 152 )
+glyph = 16
+
+[node name="LetterBlock6" parent="." instance=ExtResource( 8 )]
+position = Vector2( 208, 128 )
+glyph = 16
+
+[node name="LetterBlock7" parent="." instance=ExtResource( 8 )]
+position = Vector2( 224, 136 )
+glyph = 16
+
 [editable path="RollingFiend"]

objects/hud/letter_block.gd

@@ -0,0 +1,49 @@
+tool
+extends "res://objects/enemy/enemy.gd"
+
+signal letter_chosen(letter)
+
+enum Glyph {
+	 A,  B,  C,  D,  E,  F,  G,  H,
+	 I,  J,  K,  L,  M,  N,  O,  P,
+	 Q,  R,  S,  T,  U,  V,  W,  X,
+	 Y,  Z, _0, _1, _2, _3, _4, _5,
+	_6, _7, _8, _9,
+}
+const GLYPH_STRINGS = [
+	"A", "B", "C", "D", "E", "F", "G", "H",
+	"I", "J", "K", "L", "M", "N", "O", "P",
+	"Q", "R", "S", "T", "U", "V", "W", "X",
+	"Y", "Z", "0", "1", "2", "3", "4", "5",
+	"6", "7", "8", "9",
+]
+
+export (Glyph) var glyph: int = 0 setget _set_glyph
+
+onready var sprite: Sprite = $Sprite
+onready var _seed: float = randf() * 250.0
+
+func _set_glyph(value: int) -> void:
+	glyph = value
+	get_node("Sprite").frame = value
+
+func _ready() -> void:
+	if Engine.editor_hint:
+		return
+	# connect to node in "gets_letters" group so don't have to do the shit manually
+	for node in get_tree().get_nodes_in_group("gets_letters"):
+		if node.has_method("_on_letter_chosen"):
+			connect("letter_chosen", node, "_on_letter_chosen")
+
+func _process(delta: float) -> void:
+	if Engine.editor_hint:
+		return
+	sprite.position.x = 4.0 + sin(float(Time.get_ticks_msec()) / 250.0 + _seed)
+	sprite.position.y = 5.0 + sin(float(Time.get_ticks_msec()) / 125.0 + _seed)
+
+func die() -> void:
+	emit_signal("letter_chosen", GLYPH_STRINGS[glyph])
+
+func _on_Hitbox_area_entered(area):
+	emit_signal("letter_chosen", GLYPH_STRINGS[glyph])
+	._on_Hitbox_area_entered(area)

objects/hud/letter_block.tscn

@@ -0,0 +1,25 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://objects/hud/letter_block.gd" type="Script" id=1]
+[ext_resource path="res://graphics/hud/letter_blocks.png" type="Texture" id=2]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 3, 3.5 )
+
+[node name="LetterBlock" type="Node2D" groups=["enemy"]]
+script = ExtResource( 1 )
+blood = false
+
+[node name="Sprite" type="Sprite" parent="."]
+position = Vector2( 4, 5 )
+texture = ExtResource( 2 )
+hframes = 8
+vframes = 5
+
+[node name="Hitbox" type="Area2D" parent="." groups=["enemy_hitbox"]]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+position = Vector2( 4, 4.5 )
+shape = SubResource( 1 )
+
+[connection signal="area_entered" from="Hitbox" to="." method="_on_Hitbox_area_entered"]