GA implementation

- DONE fitness function

AI/GeneticAlgorithm.py

@@ -13,12 +13,18 @@ def genetic_algorithm_setup(field):
 
     # new_population to be
     population_text = []
+    population_text_single = []
+
+    population_size = 3
 
     # Populate the population_text array
+    for k in range(population_size):
+        population_text_single = []
         for row in range(D.GSIZE):
-        population_text.append([])
+            population_text_single.append([])
             for column in range(D.GSIZE):
-            population_text[row].append(random.choice(population_units))
+                population_text_single[row].append(random.choice(population_units))
+        population_text.append(population_text_single)
 
     # printer
     for _ in population_text:
@@ -31,18 +37,8 @@ def genetic_algorithm_setup(field):
     """
 
     # units per population in generation
-    sol_per_pop = 8
     num_parents_mating = 4
 
-    population_values = []
-    fitness_row = []
-
-    # population Fitness
-    for i in range(0, D.GSIZE):
-        for j in range(D.GSIZE):
-            fitness_row.append(local_fitness(field, i, j, population_text))
-        population_values.append(fitness_row)
-
     best_outputs = []
     num_generations = 10
 
@@ -55,13 +51,15 @@ def genetic_algorithm_setup(field):
             print("Generation : ", generation)
             # Measuring the fitness of each chromosome in the population.
 
-            fitness = cal_pop_fitness(population_values)
+            # population Fitness
+            fitness = population_fitness(population_text, field, population_size)
+
             print("Fitness")
             print(fitness)
 
-            # best_outputs.append(best_Output(new_population))
+            best_outputs.append(best_Output(new_population))
             # The best result in the current iteration.
-            # print("Best result : ", best_Output(new_population))
+            print("Best result : ", best_Output(new_population))
 
             # Selecting the best parents in the population for mating.
             parents = select_mating_pool(new_population, fitness,

AI/ga_methods.py

@@ -5,34 +5,37 @@ import src.dimensions as D
 
 # Genetic Algorithm methods
 
-def local_fitness(field, x, y, plants):
+def local_fitness(field, x, y, plants_case):
     soil_value = 0
     if field[x][y].field_type == "soil":
         soil_value = 1
     else:
         soil_value = 0.5
 
-    if plants[x][y] == "":
+    if plants_case[x][y] == "":
         plant_value = 0
-    elif plants[x][y] == "w":
+    elif plants_case[x][y] == "w":
         plant_value = 1
-    elif plants[x][y] == "p":
+    elif plants_case[x][y] == "p":
         plant_value = 2
-    elif plants[x][y] == "s":
+    elif plants_case[x][y] == "s":
         plant_value = 3
+    else:
+        plant_value = 1
 
     neighbour_bonus = 1
+    print(D.GSIZE, x, y)
     if x - 1 >= 0:
-        if plants[x][y] == plants[x - 1][y]:
+        if plants_case[x][y] == plants_case[x - 1][y]:
             neighbour_bonus += 1
     if x + 1 < D.GSIZE:
-        if plants[x][y] == plants[x + 1][y]:
+        if plants_case[x][y] == plants_case[x + 1][y]:
             neighbour_bonus += 1
     if y - 1 >= 0:
-        if plants[x][y] == plants[x][y - 1]:
+        if plants_case[x][y] == plants_case[x][y - 1]:
             neighbour_bonus += 1
     if y + 1 < D.GSIZE:
-        if plants[x][y] == plants[x][y + 1]:
+        if plants_case[x][y] == plants_case[x][y + 1]:
             neighbour_bonus += 1
 
     # TODO * multiculture_bonus
@@ -40,10 +43,24 @@ def local_fitness(field, x, y, plants):
     return local_fitness_value
 
 
-def cal_pop_fitness(pop):
+def population_fitness(population_text, field, population_size):
     # Calculating the fitness value of each solution in the current population.
     # The fitness function calulates the sum of products between each input and its corresponding weight.
-    fitness = sum(map(sum, pop))
+    fitness = []
+
+    for k in range(population_size):
+        population_values_single = []
+        population_values_single_row = []
+        fitness_row = []
+
+        for i in range(0, D.GSIZE):
+            for j in range(0, D.GSIZE):
+                population_values_single_row.append(local_fitness(field, i, j, population_text))
+            population_values_single.append(population_values_single_row)
+
+        for i in range(D.GSIZE):
+            fitness_row.append(sum(population_values_single[i]))
+        fitness.append(sum(fitness_row))
     return fitness