added method to show single item on overworld screen

g3headers

@@ -1 +1 @@
-Subproject commit b72a218a99fc86fe062d26f3944b387f2424776a
+Subproject commit a2e68703dcfccb4ef2319f8fd79a8ea7803a63c7

src/interface/show_item.c

@@ -0,0 +1,21 @@
+#include <pokeagb/pokeagb.h>
+
+const struct OamData item_oam = {.size = 2};
+
+void show_item_load_gfx(u16 item)
+{
+    struct SpriteTiles tiles = {.data = item_gfx_table[item].gfx, .size = 32*16, .tag = 0x1340};
+    struct SpritePalette pal = {.data = item_gfx_table[item].pal, .tag = 0x1340};
+    struct Template template = {
+        .tiles_tag = 0x1340,
+        .pal_tag = 0x1340,
+        .oam = &item_oam,
+        .animation = SPRITE_NO_ANIMATION,
+        .graphics = &tiles,
+        .rotscale = SPRITE_NO_ROTSCALE,
+        .callback = oac_nullsub
+    };
+    gpu_tile_obj_decompress_alloc_tag_and_upload(&tiles);
+    gpu_pal_obj_alloc_tag_and_apply(&pal);
+    template_instanciate_forward_search(&template, 100,100,0);
+}