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1225
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1 type
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2 ResourceBundlingType = enum
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3 Dir # Directories
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4 Zip # Zip files
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5 Exe # Embeded in executable
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6
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7 const
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8 thebundletype = parseEnum[ResourceBundlingType](PACKAGETYPE.toLowerAscii().capitalizeAscii())
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9 ASCII_CHARSET = PrintableChars.toSeq.toRunes
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10 DEFAULT_PACKAGE = "default"
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11
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12 # resource loading
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13
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14 func normalizeDir(dir: string): string =
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15 result = dir
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16 if result.startsWith("./"):
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17 result = result[2 .. ^1]
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18 if result.startsWith("/"):
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19 result = result[1 .. ^1]
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20 result = dir.replace('\\', '/')
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21 if not result.endsWith("/") and result != "":
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22 result = result & "/"
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23
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24 when thebundletype == Dir:
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25
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26 proc resourceRoot(): string =
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27 getAppDir().absolutePath().joinPath(RESOURCEROOT)
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28 proc packageRoot(package: string): string =
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29 resourceRoot().joinPath(package)
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30
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31 proc loadResource_intern(path: string, package: string): Stream =
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32 let realpath = package.packageRoot().joinPath(path)
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33 if not realpath.fileExists():
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34 raise newException(Exception, &"Resource {path} not found (checked {realpath})")
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35 newFileStream(realpath, fmRead)
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36
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37 proc modList_intern(): seq[string] =
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38 for kind, file in walkDir(resourceRoot(), relative = true):
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39 if kind == pcDir:
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40 result.add file
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41
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42 iterator walkResources_intern(dir: string, package = DEFAULT_PACKAGE): string =
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43 for file in walkDirRec(package.packageRoot().joinPath(dir), relative = true):
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44 yield file
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45
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46 iterator ls_intern(dir: string, package: string): tuple[kind: PathComponent, path: string] =
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47 for i in walkDir(package.packageRoot().joinPath(dir), relative = true):
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48 yield i
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49
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50 elif thebundletype == Zip:
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51
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52 import ./thirdparty/zippy/zippy/ziparchives
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53
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54 proc resourceRoot(): string =
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55 absolutePath(getAppDir()).joinPath(RESOURCEROOT)
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56 proc packageRoot(package: string): string =
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57 resourceRoot().joinPath(package)
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58
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59 proc loadResource_intern(path: string, package: string): Stream =
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60 let archive = openZipArchive(package.packageRoot() & ".zip")
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61 try:
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62 result = newStringStream(archive.extractFile(path))
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63 except ZippyError:
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64 raise newException(Exception, &"Resource {path} not found")
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65 archive.close()
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66
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67 proc modList_intern(): seq[string] =
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68 for kind, file in walkDir(resourceRoot(), relative = true):
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69 if kind == pcFile and file.endsWith(".zip"):
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70 result.add file[0 ..< ^4]
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71
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72 iterator walkResources_intern(dir: string, package = DEFAULT_PACKAGE): string =
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73 let archive = openZipArchive(package.packageRoot() & ".zip")
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74 let normDir = dir.normalizeDir()
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75 for i in archive.walkFiles:
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76 if i.startsWith(normDir):
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77 yield i
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78 archive.close()
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79
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80 iterator ls_intern(dir: string, package: string): tuple[kind: PathComponent, path: string] =
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81 let archive = openZipArchive(package.packageRoot() & ".zip")
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82 let normDir = dir.normalizeDir()
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83 var yielded: HashSet[string]
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84
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85 for i in archive.walkFiles:
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86 if i.startsWith(normDir):
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87 let components = i[normDir.len .. ^1].split('/', maxsplit = 1)
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88 if components.len == 1:
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89 if not (components[0] in yielded):
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90 yield (kind: pcFile, path: components[0])
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91 else:
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92 if not (components[0] in yielded):
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93 yield (kind: pcDir, path: components[0])
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94 yielded.incl components[0]
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95 archive.close()
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96
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97 elif thebundletype == Exe:
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98
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99 const BUILD_RESOURCEROOT* {.strdefine.}: string = ""
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100
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101 proc loadResources(): Table[string, Table[string, string]] {.compileTime.} =
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102 when BUILD_RESOURCEROOT == "":
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103 {.warning: "BUILD_RESOURCEROOT is empty, no resources will be packaged".}
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104 return
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105 else:
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106 for kind, packageDir in walkDir(BUILD_RESOURCEROOT):
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107 if kind == pcDir:
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108 let package = packageDir.splitPath.tail
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109 result[package] = Table[string, string]()
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110 for resourcefile in walkDirRec(packageDir, relative = true):
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111 result[package][resourcefile.replace('\\', '/')] = staticRead(packageDir.joinPath(resourcefile))
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112 const bundledResources = loadResources()
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113
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114 proc loadResource_intern(path: string, package: string): Stream =
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115 if not (path in bundledResources[package]):
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116 raise newException(Exception, &"Resource {path} not found")
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117 newStringStream(bundledResources[package][path])
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118
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119 proc modList_intern(): seq[string] =
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120 result = bundledResources.keys().toSeq()
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121
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122 iterator walkResources_intern(dir: string, package = DEFAULT_PACKAGE): string =
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123 for i in bundledResources[package].keys:
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124 yield i
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125
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126 iterator ls_intern(dir: string, package: string): tuple[kind: PathComponent, path: string] =
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127 let normDir = dir.normalizeDir()
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128 var yielded: HashSet[string]
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129
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130 for i in bundledResources[package].keys:
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131 if i.startsWith(normDir):
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132 let components = i[normDir.len .. ^1].split('/', maxsplit = 1)
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133 if components.len == 1:
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134 if not (components[0] in yielded):
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135 yield (kind: pcFile, path: components[0])
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136 else:
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137 if not (components[0] in yielded):
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138 yield (kind: pcDir, path: components[0])
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139 yielded.incl components[0]
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140
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141 proc LoadResource*(path: string, package = DEFAULT_PACKAGE): Stream =
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142 loadResource_intern(path, package = package)
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143
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144 #[
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145 proc LoadImage*[T](path: string, package = DEFAULT_PACKAGE): Image[RGBAPixel] =
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146 if path.splitFile().ext.toLowerAscii == ".bmp":
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147 loadResource_intern(path, package = package).ReadBMP()
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148 elif path.splitFile().ext.toLowerAscii == ".png":
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149 loadResource_intern(path, package = package).ReadPNG()
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150 else:
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151 raise newException(Exception, "Unsupported image file type: " & path)
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152
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153 proc LoadJson*(path: string, package = DEFAULT_PACKAGE): JsonNode =
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154 path.loadResource_intern(package = package).readAll().parseJson()
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155
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156 proc LoadConfig*(path: string, package = DEFAULT_PACKAGE): Config =
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157 path.loadResource_intern(package = package).loadConfig(filename = path)
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158
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159 proc LoadFont*(
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160 path: string,
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161 name = "",
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162 lineHeightPixels = 80'f32,
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163 additional_codepoints: openArray[Rune] = [],
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164 charset = ASCII_CHARSET,
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165 package = DEFAULT_PACKAGE
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166 ): Font =
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167 var thename = name
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168 if thename == "":
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169 thename = path.splitFile().name
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170 loadResource_intern(path, package = package).ReadTrueType(name, charset & additional_codepoints.toSeq, lineHeightPixels)
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171
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172 proc LoadMeshes*(path: string, defaultMaterial: MaterialType, package = DEFAULT_PACKAGE): seq[MeshTree] =
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173 loadResource_intern(path, package = package).ReadglTF(defaultMaterial)
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174
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175 proc LoadFirstMesh*(path: string, defaultMaterial: MaterialType, package = DEFAULT_PACKAGE): Mesh =
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176 loadResource_intern(path, package = package).ReadglTF(defaultMaterial)[0].toSeq[0]
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177
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178 ]#
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179
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180 proc Packages*(): seq[string] =
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181 modList_intern()
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182
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183 proc WalkResources*(dir = "", package = DEFAULT_PACKAGE): seq[string] =
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184 for i in walkResources_intern(dir, package = package):
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185 if i.startsWith(dir):
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186 result.add i
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187 result.sort()
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188
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189 proc List*(dir: string, package = DEFAULT_PACKAGE): seq[tuple[kind: PathComponent, path: string]] =
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190 for i in ls_intern(dir = dir, package = package):
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191 result.add i
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192 result.sort()
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