Merge branch 'master' of https://github.com/pret/pokeemerald

1 files changed, 56 insertions, 0 deletions

diff --git a/src/unk_text_util.c b/src/unk_text_util.c
new file mode 100644
index 000000000..2773522b2
--- /dev/null
+++ b/src/unk_text_util.c
@@ -0,0 +1,56 @@
+#include "global.h"
+#include "text.h"
+#include "unk_text_util.h"
+#include "string_util.h"
+
+static EWRAM_DATA const u8 *sStringPointers[8] = {};
+
+void UnkTextUtil_Reset(void)
+{
+    const u8 **ptr;
+    u8 *fillval;
+    const u8 **ptr2;
+
+    ptr = sStringPointers;
+    fillval = NULL;
+    ptr2 = ptr + (ARRAY_COUNT(sStringPointers) - 1);
+    do
+    {
+        *ptr2-- = fillval;
+    } while ((int)ptr2 >= (int)ptr);
+}
+
+void UnkTextUtil_SetPtrI(u8 idx, const u8 *ptr)
+{
+    if (idx < ARRAY_COUNT(sStringPointers))
+    {
+        sStringPointers[idx] = ptr;
+    }
+}
+
+u8 *UnkTextUtil_StringExpandPlaceholders(u8 *dest, const u8 *src)
+{
+    while (*src != EOS)
+    {
+        if (*src != CHAR_SPECIAL_F7)
+        {
+            *dest++ = *src++;
+        }
+        else
+        {
+            src++;
+            if (sStringPointers[*src] != NULL)
+            {
+                dest = StringCopy(dest, sStringPointers[*src]);
+            }
+            src++;
+        }
+    }
+    *dest = EOS;
+    return dest;
+}
+
+const u8 *UnkTextUtil_GetPtrI(u8 idx)
+{
+    return sStringPointers[idx];
+}