LÖVE

Code: Select all

function npcMoveTo(foo, x, y)
	-- Is the player there?
	if player.grid_x/tileSize == x and player.grid_y/tileSize == y then
		-- Attack the player.
		enemyAttackPC(foo)
		return
	end
	-- Is there a closed door at the destination?
	if mapCurrent.scenery[y][x] == 1 then
		-- If so, open it.
		entityOpenDoor(foo, x, y)
		return
	end
	-- Is there already an entity there?
	for i, v in ipairs(enemies) do
		if x*tileSize == v.grid_x and y*tileSize == v.grid_y then
			-- If so, tag every tile containing an entity as unpathable
			for i, v in ipairs(enemies) do
				mapCurrent.pathing[v.grid_y/tileSize][v.grid_x/tileSize] = 0
			end
			-- Then generate a new path
			approachPC(foo)
			mapCurrent.pathing = deepCopy(mapCurrent.terrain)
			return
		end
	end
	-- Otherwise, move closer.
	foo.grid_x = x * tileSize
	foo.grid_y = y * tileSize
	foo.energy = foo.energy - foo.moveCost
end

Code: Select all

function approachPC(foo)
	calculatePath(foo, player)
	if foo.path == false or foo.path == nil then -- Can the enemy path to the PC?
		-- If not, then do nothing
		foo.energy = foo.energy - foo.moveCost
	else
		-- Then take the first step
		local nextStep = foo.path[2]
		npcMoveTo(foo, nextStep.x, nextStep.y)
	end
end