Draw correct entity size based on bounding_box

module/map/dump_entities.lua

@@ -16,17 +16,27 @@ local function dump_entities(entities)
 		if map_color ~= nil then
 			local is_resource = entity.prototype.collision_mask["resource-layer"]
 			if is_resource then
-				if (math.floor(position.x/2) + math.floor(position.y/2)) % 2 == 0 then
 				-- Create checkerboard pattern associated with resources
-				table.insert(map_data, position.x)
-				table.insert(map_data, position.y)
-				table.insert(map_data, string.format("%02x%02x%02x", map_color.r, map_color.g, map_color.b))
+				if (math.floor(position.x/2) + math.floor(position.y/2)) % 2 == 0 then
+					table.insert(map_data, position.x)
+					table.insert(map_data, position.y)
+					table.insert(map_data, string.format("%02x%02x%02x", map_color.r, map_color.g, map_color.b))
 				end
 			else
-				-- Format as hexadecimal
-				table.insert(map_data, position.x)
-				table.insert(map_data, position.y)
-				table.insert(map_data, string.format("%02x%02x%02x", map_color.r, map_color.g, map_color.b))
+				-- Determine size of entity to draw
+				-- TODO: Does not seem to get the correct shape for trees and cliffs
+				local size_x = math.ceil((entity.bounding_box.left_top.x - entity.bounding_box.right_bottom.x) * -1)
+				local size_y = math.ceil((entity.bounding_box.left_top.y - entity.bounding_box.right_bottom.y) * -1)
+
+				-- Add pixels
+				for x = 0, size_x-1 do
+					for y = 0, size_y-1 do
+						-- Format as hexadecimal
+						table.insert(map_data, position.x + x - (size_x-1)/2)
+						table.insert(map_data, position.y + y - (size_y-1)/2)
+						table.insert(map_data, string.format("%02x%02x%02x", map_color.r, map_color.g, map_color.b))
+					end
+				end
 			end
 		end
 		::continue::
@@ -37,7 +47,7 @@ local function dump_entities(entities)
 		data = table.concat(map_data, ";"),
 	})
 end
--- dump_entities(game.surfaces[1].find_tiles_filtered{position = game.player.position, radius = 32})
-
+-- /c gridworld.map.dump_entities({game.player.selected})
+-- gridworld.map.dump_entities(game.surfaces[1].find_tiles_filtered{position = game.player.position, radius = 32})
 
 return dump_entities

web/components/GridVisualizer.jsx

@@ -31,7 +31,7 @@ export default function GridVisualizer(props) {
 			setRefreshTiles(Math.floor(Math.random() * 10000).toString());
 		}, 2500);
 		return () => clearInterval(interval);
-	});
+	}, []);
 
 	return <>
 		<div className="grid-visualizer">