1 files changed, 70 insertions, 0 deletions
diff --git a/src/dynamic_placeholder_text_util.c b/src/dynamic_placeholder_text_util.c
new file mode 100644
index 000000000..6909fea30
--- /dev/null
+++ b/src/dynamic_placeholder_text_util.c
@@ -0,0 +1,70 @@
+#include "global.h"
+#include "text.h"
+#include "dynamic_placeholder_text_util.h"
+#include "string_util.h"
+
+static EWRAM_DATA const u8 *sStringPointers[8] = {0};
+
+static const u8 sTextColorTable[] =
+{
+     0,  0,  0, 16, 17, 17, 17, 16, 16,  0,  0, 17,  1,  0, 17, 16,
+     0, 16, 16,  0,  1,  1,  1,  1,  1,  1,  0,  0,  0,  1,  0,  0,
+    17,  1,  0,  0,  0, 16, 17,  0, 16, 16, 16,  0,  1,  0, 51, 51,
+    51, 51, 51, 51, 51, 51, 35, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+    34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 50,
+};
+
+void DynamicPlaceholderTextUtil_Reset(void)
+{
+    const u8 **ptr = sStringPointers;
+    u8 *fillval = NULL;
+    const u8 **ptr2 = ptr + (NELEMS(sStringPointers) - 1);
+    
+    do
+    {
+        *ptr2-- = fillval;
+    }
+    while ((intptr_t)ptr2 >= (intptr_t)ptr);
+}
+
+void DynamicPlaceholderTextUtil_SetPlaceholderPtr(u8 idx, const u8 *ptr)
+{
+    if (idx < NELEMS(sStringPointers))
+        sStringPointers[idx] = ptr;
+}
+
+u8 *DynamicPlaceholderTextUtil_ExpandPlaceholders(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 *DynamicPlaceholderTextUtil_GetPlaceholderPtr(u8 idx)
+{
+    return sStringPointers[idx];
+}
+
+u8 GetColorFromTextColorTable(u16 graphicId)
+{
+    u32 test = graphicId >> 1;
+    u32 shift = (graphicId & 1) << 2;
+
+    if (test > 0x4B)
+        return 3;
+    else
+        return (sTextColorTable[graphicId >> 1] >> shift) & 0xF;
+}