default persistent.old_endings = None
default persistent.endings = None

# Store the general chapters inside an array for easy manipulation
define general_chapters = [
    "chapter_1", "chapter_2", "chapter_3", "chapter_4", "chapter_5",
    "chapter_6", "chapter_7", "chapter_8", "chapter_9", "chapter_10", "chapter_11"
]

define ending_routes = {
    4: ["chapter_11D", "chapter_12D", "chapter_12_5D", "chapter_13D", "chapter_14D"],
    3: ["chapter_11C", "chapter_12C", "chapter_12_5C", "chapter_13C", "chapter_14C"],
    2: ["chapter_11B", "chapter_12B", "chapter_13B", "chapter_14B"],
    1: ["chapter_11A", "chapter_12A", "chapter_12_5D", "chapter_13A", "chapter_14A"]
}


default chapters_array_length = len(general_chapters) - 1

default chapter_index = 0 # Index number for the current position of the general chapters array

default current_chapter = general_chapters[chapter_index] # This stores the name of the label as a string

default ending_route_number = None
default ending_chapter_index = 0


init -1 python:
    def ending_image():
        #0b0000, DCBA, flash the bits with |=, check with &
        endings = 0b0000
        _e = 0b1
        for i in range(1, 5):
            fn = "e"+str(i)+"of4"
            endings |= (_e * renpy.seen_image(fn))
            _e = _e << 0b1
        persistent.old_endings = persistent.endings
        persistent.endings = endings


init python:

    def next_story_chapter():
        global chapter_index
        global current_chapter
        global ending_route_number

        if is_end_of_chapters():
            ending_route_number = get_ending()
            next_ending_chapter()
            return

        chapter_index += 1
        current_chapter = general_chapters[chapter_index]

        renpy.call(current_chapter)

    
    def is_end_of_chapters():
        return chapter_index >= chapters_array_length


    def next_ending_chapter():
        global ending_route_number, ending_chapter_index

        if ending_route_number in ending_routes:
            # Save the ending chapters array from
            # the ending_routes dictionary
            current_ending_list = ending_routes[ending_route_number]

            if ending_chapter_index < len(current_ending_list):
                # Stores the label name from the current_ending_list array in the item variable
                item = current_ending_list[ending_chapter_index]
                # Increases the index and jumps to the label
                ending_chapter_index += 1
                renpy.jump(item)
            else: # We've reached the end of the final chapters
                ending_image()
                renpy.call("lending")
                return
        else:
            return


# label storyline:
#     call chapter_1 from _call_chapter_1
#     call chapter_2 from _call_chapter_2
#     call chapter_3 from _call_chapter_3
#     call chapter_4 from _call_chapter_4
#     call chapter_5 from _call_chapter_5
#     call chapter_6 from _call_chapter_6
#     call chapter_7 from _call_chapter_7
#     call chapter_8 from _call_chapter_8
#     call chapter_9 from _call_chapter_9
#     call chapter_10 from _call_chapter_10
#     call chapter_11 from _call_chapter_11
#     call get_ending from _call_get_ending_5
#     if _return == 4:
#         call chapter_11D from _call_chapter_11D
#         call chapter_12D from _call_chapter_12D
#         call chapter_12_5D from _call_chapter_12_5D
#         call chapter_13D from _call_chapter_13D
#         call chapter_14D from _call_chapter_14D
#     elif _return == 3:
#         call chapter_11C from _call_chapter_11C
#         call chapter_12C from _call_chapter_12C
#         call chapter_12_5C from _call_chapter_12_5C
#         call chapter_13C from _call_chapter_13C
#         call chapter_14C from _call_chapter_14C
#     elif _return == 2:
#         call chapter_11B from _call_chapter_11B
#         call chapter_12B from _call_chapter_12B
#         # no chapter_13 here since the scene is different enough to the other routes for everything to go into 13C
#         call chapter_13B from _call_chapter_13B
#         call chapter_14B from _call_chapter_14B
#     else: # if all else fails, we just assume that we got Endings.Shooter
#         call chapter_11A from _call_chapter_11A
#         call chapter_12A from _call_chapter_12A
#         call chapter_12_5D from _call_chapter_12_5D_1
#         call chapter_13A from _call_chapter_13A
#         call chapter_14A from _call_chapter_14A
#         $ ending_image()
#         $ renpy.quit()
#     $ ending_image()
#     call lending from _call_lending
#     return