Add file with for dt examples and manager capable of reading them

data/AI_data/DecisionTreeExamples/dt_examples

@@ -0,0 +1 @@
+FOOD|THREE_QUARTERS_TO_FULL|ZERO_TO_QUARTER|THREE_QUARTERS_TO_FULL|GE_8|LT_3|GE_3_LT_8

src/AI/DecisionTrees/ExamplesManager.py

@@ -0,0 +1,116 @@
+from typing import Any, Union
+
+from src.AI.DecisionTrees.projectSpecificClasses.DistFromObject import DistFromObject
+from src.AI.DecisionTrees.projectSpecificClasses.PlayerStatsValue import PlayerStatsValue
+from src.AI.DecisionTrees.projectSpecificClasses.SurvivalClassification import SurvivalClassification
+from src.AI.DecisionTrees.projectSpecificClasses.SurvivalDTExample import SurvivalDTExample
+
+
+class ExamplesManager:
+
+    def __init__(self, examplesFilePath: str):
+        self.examplesFilePath = examplesFilePath
+
+    def readExamples(self):
+        examples = []
+
+        file = open(self.examplesFilePath, "r")
+
+        line = file.readline()
+        lineNum = 0
+        while line != "":
+            lineNum += 1
+            words = line.split("|")
+
+            if len(words) != 7:
+                print("Not sufficient amount of words in line {}.".format(str(lineNum)))
+                continue
+
+            # Classification
+            parseSuccess = False
+            classification: SurvivalClassification
+            for classification in SurvivalClassification:
+                if words[0] == classification.name:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Example classification not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            # Hunger value
+            parseSuccess = False
+            hungerAmount: PlayerStatsValue
+            for hungerAmount in PlayerStatsValue:
+                if hungerAmount.name == words[1]:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Hunger not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            # Thirst value
+            parseSuccess = False
+            thirstAmount: PlayerStatsValue
+            for thirstAmount in PlayerStatsValue:
+                if thirstAmount.name == words[2]:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Thirst not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            # Stamina value
+            parseSuccess = False
+            staminaAmount: PlayerStatsValue
+            for staminaAmount in PlayerStatsValue:
+                if staminaAmount.name == words[3]:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Stamina not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            # Distance from food
+            parseSuccess = False
+            dstFromFood: DistFromObject
+            for dstFromFood in DistFromObject:
+                if dstFromFood.name == words[4]:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Distance from food not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            # Distance from water
+            parseSuccess = False
+            dstFromWater: DistFromObject
+            for dstFromWater in DistFromObject:
+                if dstFromWater.name == words[5]:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Distance from water not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            # Distance from rest place
+            parseSuccess = False
+            dstFromRest: DistFromObject
+            for dstFromRest in DistFromObject:
+                if dstFromRest.name == words[6]:
+                    parseSuccess = True
+                    break
+            if not parseSuccess:
+                print("Distance from rest place not parsed at line {}.".format(str(lineNum)))
+                continue
+
+            example = SurvivalDTExample(classification,
+                                        hungerAmount,
+                                        thirstAmount,
+                                        staminaAmount,
+                                        dstFromFood,
+                                        dstFromWater,
+                                        dstFromRest)
+
+            examples.append(example)
+
+        return examples