document textures_sprites.c (#523)

include/f3ddkr.h

@@ -127,7 +127,7 @@
 }
 
 #if defined(F3DDKR_GBI)
- // ?????? - Needed to modify this to work with matching build_tex_display_list
+ // ?????? - Needed to modify this to work with matching material_init
 #undef TXL2WORDS_4b
 #define TXL2WORDS_4b(txls) ((txls)/16)
 #endif

include/macros.h

@@ -75,4 +75,9 @@
 // Used to make a u32 colour value look clearer. Transforms 0xFF0000FF to 255, 0, 0, 255
 #define COLOUR_RGBA32(r, g, b, a) (((r << 24) | (g << 16) |  (b << 8) | a))
 
+// A few systems in the game use an array as a cache table. This gives you the asset ID
+#define ASSETCACHE_ID(x)    ((x << 1) + 0)
+// A few systems in the game use an array as a cache table. This gives you the pointer to the asset
+#define ASSETCACHE_PTR(x)   ((x << 1) + 1)
+
 #endif

include/structs.h

@@ -163,7 +163,7 @@ typedef struct Sprite {
   /* 0x00 */ s16 baseTextureId;
   /* 0x02 */ s16 numberOfFrames; // 1 means static texture
   /* 0x04 */ s16 numberOfInstances;
-  /* 0x06 */ s16 unk6;
+  /* 0x06 */ s16 drawFlags;
   /* 0x08 */ TextureHeader **frames;
   union {
     /* 0x0C */ u8 val[1]; // Actual size varies.