Add separate spoolup calculator

eos/utils/spoolSupport.py

@@ -0,0 +1,43 @@
+# ===============================================================================
+# Copyright (C) 2010 Diego Duclos
+#
+# This file is part of eos.
+#
+# eos is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# eos is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with eos.  If not, see <http://www.gnu.org/licenses/>.
+# ===============================================================================
+
+
+from enum import IntEnum, unique
+
+from eos.utils.float import floatUnerr
+
+
+@unique
+class SpoolType(IntEnum):
+    SCALE = 0  #  [0..1]
+    TIME = 1  # Expressed via time in seconds since spoolup started
+    CYCLES = 2  # Expressed in amount of cycles since spoolup started
+
+
+def calculateSpoolup(modMaxValue, modStepValue, modCycleTime, spoolType, spoolAmount):
+    if spoolType == SpoolType.SCALE:
+        return (floatUnerr(spoolAmount * modMaxValue) // modStepValue) * modStepValue
+    elif spoolType == SpoolType.TIME:
+        # Stub
+        return 0
+    elif spoolType == SpoolType.CYCLES:
+        cycles = round(spoolAmount)
+        return min(modMaxValue, cycles * modStepValue)
+    else:
+        return 0