forked from Cavemanon/SnootGame
cg button scaling, code cleanup
This commit is contained in:
@ -9,35 +9,47 @@ init python:
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# CONST PARAMS
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GALLERY_COLS = 3
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GALLERY_CGS_PER_PAGE = 6
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NOT_UNLOCKED_COVER = im.FactorScale("gui/gallery/unlocked_cg_button_cover.png", 0.225, 0.225)
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PREFERRED_WIDTH = 432 #px (1920 * 0.225)
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PREFERRED_HEIGHT = 243 #px (1080 * 0.225)
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DEFAULT_WIDTH_SCALE_RATIO = round(float(PREFERRED_WIDTH) / float(1920), 5)
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DEFAULT_HEIGHT_SCALE_RATIO = round(float(PREFERRED_HEIGHT) / float(1080), 5)
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NOT_UNLOCKED_COVER = im.FactorScale("gui/gallery/unlocked_cg_button_cover.png", DEFAULT_WIDTH_SCALE_RATIO, DEFAULT_HEIGHT_SCALE_RATIO)
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ACCEPTED_EXTENSIONS = ["jpg", "png"]
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# GALLERY ITEMS
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# Data structure that holds the data for each cg and button
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# item is the key in the Gallery
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# { item: string; cg: Displayable; }[]
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# ext is the file extension
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# { item: string; cg: Displayable; ext: string }[]
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galleryItems = []
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# Which page of the gallery is shown
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galleryPage = 1
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# Global function to unlock a cg
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# fname should be a key used in galleryItems
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# (fname: string): None
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def unlockCg(fname):
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unlocked = fname in persistent.cggallery
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if not unlocked:
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persistent.cggallery.append(fname)
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renpy.persistent.save()
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for i in range(0, len(galleryItems) - 1):
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# TODO: raise Exception(galleryItems[i])
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# Make a scaled cg button
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# (cg: string, unlocked?: boolean): Displayable
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def cg(fname, unlocked = False):
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# (cg: string; ext: string; w: float; h: float; unlocked?: boolean): Displayable
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def cg(fname, ext, w, h, unlocked = False):
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if not unlocked:
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return NOT_UNLOCKED_COVER
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return im.FactorScale("images/cgs/" + fname + ".png", 0.225, 0.225)
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scaleFactor = getBoxNormalizerRatio(w, h)
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return im.FactorScale("images/cgs/" + fname + "." + ext, scaleFactor["x"], scaleFactor["y"])
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# Create an object in g:Gallery, add to galleryItems
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# (imageName: string; unlocked?: boolean): None
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def addGalleryItem(imageName, unlocked = False):
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# (imageName: string; ext: string; w: float; h: float; unlocked?: boolean): None
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def addGalleryItem(imageName, ext, w, h, unlocked = False):
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g.button(imageName)
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g.image(imageName)
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@ -49,7 +61,7 @@ init python:
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galleryItems.append({
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"item": imageName,
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"cg": cg(imageName, unlocked)
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"cg": cg(imageName, ext, w, h, unlocked)
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})
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# Reads /images/cgs dir for all .png files
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@ -64,24 +76,83 @@ init python:
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workingDirPath = getcwd().replace("\\", "/")
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cgDirPath = workingDirPath + "/game/" + cgPath
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# Add each .png to the gallery
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# TODO: make case insensitive
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# Add each image to the gallery
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galleryItems = []
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for cgFile in listdir(cgDirPath):
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if isfile(join(cgDirPath, cgFile)):
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if (cgFile[-4:] == '.png'):
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filePath = join(cgDirPath, cgFile)
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if isfile(filePath):
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ext = cgFile[-3:].lower()
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if (ext in ACCEPTED_EXTENSIONS):
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attr = getImageFileAttributes(filePath)
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fname = str(cgFile[0:-4])
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unlocked = fname in persistent.cggallery
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addGalleryItem(fname, unlocked)
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addGalleryItem(fname, ext, attr["w"], attr["h"], unlocked)
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# Add empty items to fill grid after last cg button
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extraSpaces = GALLERY_COLS - (len(galleryItems) % GALLERY_COLS)
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for i in range(0, extraSpaces):
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galleryItems.append({
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"item": None,
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"cg": None
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"cg": None,
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"ext": None
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})
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# Get width/height of image by absolute path
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# based on https://stackoverflow.com/questions/8032642/how-to-obtain-image-size-using-standard-python-class-without-using-external-lib
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# (filePath: string) -> { w: int; h: int } | None
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def getImageFileAttributes(filePath):
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try:
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from struct import unpack
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from imghdr import what
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w, h = 0, 0
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with open(filePath, "rb") as file:
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ext = what(filePath)
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header = file.read(24)
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if (len(header) != 24):
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raise Exception("File header invalid for " + filePath)
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if (ext == 'png'):
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checksum = unpack('>i', header[4:8])[0]
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if (checksum != 0x0d0a1a0a):
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raise Exception("File checksum invalid for " + filePath)
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w, h = unpack('>ii', head[16:24])
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if (ext == 'jpeg' or ext == 'jpg'):
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file.seek(0)
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size = 2
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ftype = 0
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while not 0xc0 <= ftype <= 0xcf:
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file.seek(size, 1)
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byte = file.read(1)
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while ord(byte) == 0xff:
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byte = file.read(1)
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ftype = ord(byte)
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size = unpack('>H', file.read(2))[0] - 2
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file.seek(1, 1)
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h, w = unpack('>HH', file.read(4))
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return { "w": w, "h": h }
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except Exception:
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#TODO: log error
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return None
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# Returns what params to call im.FactorScale with for cg button size
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# Basically the delta diff dimensions
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# (w: int; h: int) -> { x: float; y: float }
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def getBoxNormalizerRatio(w, h):
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x = round(float(PREFERRED_WIDTH) / float(w), 4)
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y = round(float(PREFERRED_HEIGHT) / float(h), 4)
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return { "x": x, "y": y }
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# Returns the pageth slice from galleryItems
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# (page: int): Partial<typeof galleryItems>
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def getGalleryPage(page):
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@ -98,7 +169,7 @@ init python:
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## A screen that shows the image gallery
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screen cg_gallery():
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tag menu
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use game_menu(_("Gallery")):
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use game_menu(_("Gallery"), scroll="viewport"):
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fixed:
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$ pageItems = getGalleryPage(galleryPage)
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