[WIP] Day 19, part 1

1 files changed, 82 insertions, 0 deletions

diff --git a/day19/part1.rb b/day19/part1.rb
new file mode 100644
index 0000000..0b3e6a3
--- /dev/null
+++ b/day19/part1.rb
@@ -0,0 +1,82 @@
+class Blueprint
+  def initialize(line)
+    id, oreore, claore, obsore, obscla, geoore, geoobs = line.scan(/\d+/).map(&:to_i)
+    @id = id
+    @ore = {
+      ore: oreore
+    }
+    @clay = {
+      ore: claore
+    }
+    @obsidian = {
+      ore: obsore,
+      clay: obscla
+    }
+    @geode = {
+      ore: geoore,
+      obsidian: geoobs
+    }
+  end
+
+  attr_reader :id
+
+  def make_robot?(pool)
+    if pool[:obsidian] >= @geode[:obsidian]
+      if pool[:ore] >= @geode[:ore]
+        pool[:ore] -= @geode[:ore]
+        pool[:obsidian] -= @geode[:obsidian]
+        return :geode
+      else
+        return false
+      end
+    end
+    if pool[:clay] >= @obsidian[:clay]
+      if pool[:ore] >= @obsidian[:ore]
+        pool[:ore] -= @obsidian[:ore]
+        pool[:clay] -= @obsidian[:clay]
+        return :obsidian
+      else
+        return false
+      end
+    end
+    if pool[:ore] >= @clay[:ore]
+      pool[:ore] -= @clay[:ore]
+      return :clay
+    end
+    if pool[:ore] >= @ore[:ore]
+      pool[:ore] -= @ore[:ore]
+      return :ore
+    end
+    return false
+  end
+end
+
+blueprints = $stdin.readlines.map{ |line| Blueprint.new(line) }
+time_limit = 24
+
+pool = {
+  ore: 0,
+  clay: 0,
+  obsidian: 0,
+  geode: 0
+}
+
+robots = {
+  ore: 1,
+  clay: 0,
+  obsidian: 0,
+  geode: 0
+}
+
+time_limit.times do
+  new_robot = blueprints[0].make_robot?(pool)
+
+  pool[:ore] += robots[:ore]
+  pool[:clay] += robots[:clay]
+  pool[:obsidian] += robots[:obsidian]
+  pool[:geode] += robots[:geode]
+
+  robots[new_robot] += 1 if new_robot
+end
+
+pp pool[:geode]