1 files changed, 60 insertions, 0 deletions

diff --git a/scripts/builder.gd b/scripts/builder.gd
new file mode 100644
index 0000000..9a43437
--- /dev/null
+++ b/scripts/builder.gd
@@ -0,0 +1,60 @@
+extends Object
+
+const Wrld = preload("res://world.tscn")
+const Items = preload("res://scripts/items.gd")
+
+var items = null
+
+func _init():
+  self.items = Items.new()
+
+func build(where):
+  var w = Wrld.instance()
+  w.set_scale(Vector3(0.02, 0.02, 0.02))
+  w.set_translation(where)
+  return w
+  
+func can_combine(materials):
+  var has_solid = false
+  var has_gas = false
+  for id in materials:
+    var category = self.items.category(id)
+    if category == "solid":
+      has_solid = true
+    if category == "gas":
+      has_gas = true
+  return has_solid and has_gas
+  
+func combine(where, materials):
+  var w = build(where)
+  var mass = 0
+  var volume = 0
+  var color = Color(0.3,0.3,0.3)
+  var gas_mass = 0
+  var gas_volume = 0
+  var gas_color = Color(0.5,0.5,0.6,0.35)
+  
+  for mat in materials:
+    var item = self.items.get(mat)
+    var category = self.items.category(mat)
+    if category == "solid":
+      mass += item.data["mass"]
+      #volume += item.data["volume"]
+      var s = item.data["color"]
+      color = color.blend(Color(s))
+
+    if category == "gas":
+      gas_mass += item.data["mass"]
+      gas_volume += item.data["volume"]
+      var s = item.data["color"]
+      gas_color = gas_color.blend(Color(s))
+  
+  w.materials = materials
+  w.mass = mass
+  w.volume = volume
+  w.color = color
+  w.gas_mass = gas_mass
+  w.gas_volume = gas_volume
+  w.gas_color = gas_color
+  w.call_deferred("build")
+  return w