From 7fca7e65985deb24d51041d30fb8ea6ed2bd8571 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Sat, 11 Jul 2020 00:07:56 +0200
Subject: properly implement road march

---
 Hex.gd           |  16 +++++++++++-----
 Map.gd           |  14 +++++++++++++-
 Piece.gd         |   2 +-
 Tile.gd          |   2 +-
 Unit.gd          |   9 ++++-----
 assets/block.png | Bin 0 -> 5029 bytes
 assets/map-v.png | Bin 28405 -> 73999 bytes
 7 files changed, 30 insertions(+), 13 deletions(-)
 create mode 100644 assets/block.png

diff --git a/Hex.gd b/Hex.gd
index d53730e..57a1a19 100644
--- a/Hex.gd
+++ b/Hex.gd
@@ -4,6 +4,7 @@ extends Tile
 class_name Hex, "res://godot/Tile.png"
 
 var type : int = -1
+var roads : int = 0
 
 func _ready() -> void:
 	type = -1
@@ -13,15 +14,20 @@ func inspect() -> String:
 	if type == 0: s = 'city'
 	elif type == 1: s = 'wood'
 	elif type == 2: s = 'mountain'
-	return "%s e:%d h:%d c:%d\n -> [%d;%d]\n -> (%d;%d)" % [s, elevation(), height(), cost(), coords.x, coords.y, position.x, position.y]
+	elif type == 3: s = 'impracticable'
+	return "%s e:%d h:%d c:%d r:%d\n -> [%d;%d]\n -> (%d;%d)" % [s, elevation(), height(), cost(), roads, coords.x, coords.y, position.x, position.y]
+
+func has_road(o : int) -> bool:
+	return (o & roads) > 0
 
 func change() -> void:
-	type = (type + 2) % 4 - 1
-	for i in range(3):
+	type = (type + 2) % 5 - 1
+	for i in range(4):
 		enable_overlay(i + 2, i == type)
 
 func cost() -> int:
 	if type == -1: return 1
+	elif type == 3: return -1
 	return type + 1
 
 func height() -> int:
@@ -51,5 +57,5 @@ func show_los(b) -> void:
 		enable_overlay(1, false)
 
 func show_move(b) -> void:
-	if 5 < get_child_count():
-		enable_overlay(5, b)
+	if 6 < get_child_count():
+		enable_overlay(6, b)
diff --git a/Map.gd b/Map.gd
index b1859d0..1eda9e8 100644
--- a/Map.gd
+++ b/Map.gd
@@ -43,12 +43,24 @@ func reset() -> void:
 func get_tile(coords : Vector2, k : int) -> Tile:
 	if hexes.has(k): return hexes[k]
 	var hex : Hex = Hex.new()
+	hex.roads = get_road(k)
 	hex.rotation_degrees = hex_rotation
-	hex.configure(board.center_of(coords), coords, [GREEN, BLACK, CITY, TREE, MOUNT, MOVE])
+	hex.configure(board.center_of(coords), coords, [GREEN, BLACK, CITY, TREE, MOUNT, BLOCK, MOVE])
 	hexes[k] = hex
 	$Hexes.add_child(hex)
 	return hex
 
+func get_road(k : int) -> int:
+	if not board.v: return 0
+	var v : int = 0
+	v += (HexBoard.Orientation.E if k in [19,20,21,23,24,42,43,44,45,46,47] else 0)
+	v += (HexBoard.Orientation.W if k in [19,20,21,22,24,25,43,44,45,46,47] else 0)
+	v += (HexBoard.Orientation.SE if k in [22,32,42,52,62] else 0)
+	v += (HexBoard.Orientation.NW if k in [32,42,52,62] else 0)
+	v += (HexBoard.Orientation.NE if k in [7,16,25,32] else 0)
+	v += (HexBoard.Orientation.SW if k in [7,16,23] else 0)
+	return v
+
 func config(l : bool, m : bool) -> void:
 	show_los = l
 	show_move = m
diff --git a/Piece.gd b/Piece.gd
index 7564d0f..50baa43 100644
--- a/Piece.gd
+++ b/Piece.gd
@@ -13,7 +13,7 @@ func road_march_bonus() -> int:
 
 func move_cost(src : Tile, dst : Tile, a : int) -> int:
 	print("Piece#move_cost() must be overriden in a subclass")
-	return 1
+	return -1 # impracticable
 
 func at_least_one_tile() -> bool:
 	print("Piece#at_least_one_tile() must be overriden in a subclass")
diff --git a/Tile.gd b/Tile.gd
index 03f10be..5127058 100644
--- a/Tile.gd
+++ b/Tile.gd
@@ -24,7 +24,7 @@ func configure(p : Vector2, c: Vector2, o :Array) -> void:
 	visible = false
 
 func has_road(a) -> bool:
-	# FIXME
+	print("Tile#has_road() must be overriden in a subclass")
 	return false
 
 func block_los(from : Tile, to : Tile, d : float, dt : float) -> bool:
diff --git a/Unit.gd b/Unit.gd
index 2de5ed6..cda26c8 100644
--- a/Unit.gd
+++ b/Unit.gd
@@ -4,11 +4,10 @@ extends Piece
 class_name Unit, "res://godot/Piece.png"
 
 func get_mp() -> int:
-	return 3
+	return 2
 
 func road_march_bonus() -> int:
-	return 3
+	return 2
 
-func move_cost(src : Tile, dst : Tile, a : int) -> int:
-	print("from %d %d -> %d %d : %d" % [src.coords.x,src.coords.y,dst.coords.x,dst.coords.y,a])
-	return dst.cost()
+func move_cost(src : Tile, dst : Tile, o : int) -> int:
+	return (1 if (src.has_road(o) and dst.type != 3) else dst.cost())
diff --git a/assets/block.png b/assets/block.png
new file mode 100644
index 0000000..7704d65
Binary files /dev/null and b/assets/block.png differ
diff --git a/assets/map-v.png b/assets/map-v.png
index fd97059..3960ffc 100644
Binary files a/assets/map-v.png and b/assets/map-v.png differ
-- 
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