src/bz/renderer/palette.c

   1 #include <bz/renderer/palette_internal.h>
   2
   3 #include <bz/gfx/aseprite_internal.h>
   4 #include <bz/memory/allocator.h>
   5 #include <bz/resources/resource.h>
   6 #include <bz/types/identifier_internal.h>
   7 #include <parson.h>
   8
   9 BZRendererPaletteID bzRendererLoadPalette(BZMemoryArenaID arena, const char *identifierFmt, ...) {
  10         bzMakeIdentifier(identifier, identifierFmt);
  11
  12         BZResourceID handle = bzResourcesOpenResource("palettes", "assets/palettes/%s.palette.json", identifier);
  13         size_t length = bzResourcesFileLength(handle);
  14
  15         char *data = bzMemoryAllocTmp(arena, length);
  16         bzResourcesReadBytes(handle, data, length);
  17         bzResourcesCloseResource(handle);
  18
  19         //json_set_allocation_functions
  20         JSON_Value *paletteJson = json_parse_string(data);
  21         JSON_Object *paletteJsonObject = json_object(paletteJson);
  22
  23         JSON_Array *colorNameArray = json_object_get_array(paletteJsonObject, "colors");
  24         size_t colorCount = json_array_get_count(colorNameArray);
  25
  26         BZRendererPaletteID palette = bzMemoryAlloc(arena, sizeof(BZRendererPalette) + colorCount * sizeof(uint32_t));
  27
  28         const char *asepriteFilename = json_object_get_string(paletteJsonObject, "file");
  29
  30         palette->numColors = bzGfxLoadAsepritePalette(palette->colors, colorCount, asepriteFilename);
  31
  32         json_value_free(paletteJson);
  33         bzMemoryArenaResetTmp(arena);
  34
  35         return palette;
  36 }
  37
  38 /*
  39 #define bzPaletteMakeColor(r, g, b) ((r)&0xFF) << 0 | ((g)&0xFF) << 8 | ((b)&0xFF) << 16 | (0xFF) << 24
  40
  41
  42 {
  43         "file" : "main.aseprite",
  44         "colors" : [
  45                 "black",
  46                 "tone-1",
  47                 "tone-2",
  48                 "tone-3",
  49                 "tone-4",
  50                 "tone-5",
  51                 "tone-6",
  52                 "white",
  53                 "red-1",
  54                 "red-2",
  55                 "red-3",
  56                 "green-1",
  57                 "green-2",
  58                 "green-3",
  59                 "blue-1",
  60                 "blue-2",
  61                 "blue-3",
  62                 "orange-1",
  63                 "orange-2",
  64                 "orange-3",
  65                 "pink-1",
  66                 "pink-2",
  67                 "pink-3",
  68                 "yellow-1",
  69                 "yellow-2",
  70                 "yellow-3"
  71         ]
  72 }
  73 */
  74