Merge remote-tracking branch 'upstream/master' into party_menu

1 files changed, 73 insertions, 0 deletions

diff --git a/src/field/landmark.c b/src/field/landmark.c
new file mode 100644
index 000000000..6a53716bb
--- /dev/null
+++ b/src/field/landmark.c
@@ -0,0 +1,73 @@
+#include "global.h"
+#include "landmark.h"
+#include "event_data.h"
+
+#define MAPSEC_NONE 0x58
+
+struct Landmark
+{
+    u8 *name;
+    u16 flag;
+};
+
+struct LandmarkList
+{
+    u8 mapSection;
+    u8 id;
+    const struct Landmark **landmarks;
+};
+
+extern const struct LandmarkList gLandmarkLists[];
+
+static const struct Landmark **GetLandmarks(u8 mapSection, u8 id);
+
+u8 *GetLandmarkName(u8 mapSection, u8 id, u8 count)
+{
+    const struct Landmark **landmarks = GetLandmarks(mapSection, id);
+
+    if (!landmarks)
+        return NULL;
+
+    while (1)
+    {
+        const struct Landmark *landmark = *landmarks;
+
+        if (landmark->flag == 0xFFFF || FlagGet(landmark->flag) == TRUE)
+        {
+            if (count == 0)
+                break;
+            else
+                count--;
+        }
+
+        landmarks++;
+        if (!*landmarks)
+            return NULL;
+    }
+
+    return (*landmarks)->name;
+}
+
+static const struct Landmark **GetLandmarks(u8 mapSection, u8 id)
+{
+    u16 i = 0;
+
+    for (; gLandmarkLists[i].mapSection != MAPSEC_NONE; i++)
+    {
+        if (gLandmarkLists[i].mapSection > mapSection)
+            return NULL;
+        if (gLandmarkLists[i].mapSection == mapSection)
+            break;
+    }
+
+    if (gLandmarkLists[i].mapSection == MAPSEC_NONE)
+        return NULL;
+
+    for (; gLandmarkLists[i].mapSection == mapSection; i++)
+    {
+        if (gLandmarkLists[i].id == id)
+            return gLandmarkLists[i].landmarks;
+    }
+
+    return NULL;
+}