add cactus utilities and grid-wide planting/harvesting logic

utils.py

@@ -16,6 +16,50 @@ def move_to(x, y):
 
 
 
+# Harvest all tiles in a grid.
+#
+# Returns:
+# 	None
+def harvest_grid(width, height):
+	res = {}
+	x = get_pos_x()
+	y = get_pos_y()
+
+	grid_size = get_world_size()
+
+	if (x + width) > grid_size:
+		width = grid_size - x
+
+	if (y + height) > grid_size:
+		height = grid_size - y
+
+
+	others = {East: West, West: East}
+
+	side_dir = East
+
+	for row in range(height):
+		for col in range(width):
+			if can_harvest():
+				harvest()
+			# if it's not the last pass, then move
+			if col < width - 1:
+				if side_dir == East:
+					x = (x + 1) % grid_size
+
+				elif side_dir == West:
+					x = (x - 1) % grid_size
+
+				move(side_dir)
+
+		if row < height - 1:
+			side_dir = others[side_dir]
+			move(North)
+			y = (y + 1) % grid_size
+
+	return res
+
+
 # Plant a square of the given list of entities.
 #
 # If the water level is below waterBelow,
@@ -68,7 +112,10 @@ def plant_grid(width, height, plant_with, water_below, require_soil, on_plant =
 
 			index = tracker % len(plant_with)
 			tracker += 1
-			plant(plant_with[index])
+
+			success = plant(plant_with[index])
+			if not success:
+				print("Failed to plant at " + str(x) + ", " + str(y))
 
 			# if on_plant is not None: is giving me errors in the game, but this seems to be what they want
 			if on_plant: