3 files changed, 58 insertions, 0 deletions
diff --git a/include/constants/items.h b/include/constants/items.h
index 6135b8d6f..41d63c4a3 100644
--- a/include/constants/items.h
+++ b/include/constants/items.h
@@ -383,6 +383,9 @@
 #define ITEM_MAGMA_EMBLEM 375
 #define ITEM_OLD_SEA_MAP 376
 
+#define ITEM_LAST_ID 376
+#define ITEM_FIELD_ARROW ITEM_LAST_ID + 1
+
 #define FIRST_BERRY_INDEX ITEM_CHERI_BERRY
 #define LAST_BERRY_INDEX ITEM_ENIGMA_BERRY
 #define ITEM_TO_BERRY(itemId)(((itemId - FIRST_BERRY_INDEX) + 1))
diff --git a/include/constants/rgb.h b/include/constants/rgb.h
new file mode 100644
index 000000000..8b323799f
--- /dev/null
+++ b/include/constants/rgb.h
@@ -0,0 +1,16 @@
+#ifndef GUARD_RGB_H
+#define GUARD_RGB_H
+
+#define RGB(r, g, b) ((r) | ((g) << 5) | ((b) << 10))
+#define _RGB(r, g, b) ((((b) & 0x1F) << 10) + (((g) & 0x1F) << 5) + ((r) & 0x1F))
+
+#define RGB_BLACK RGB(0, 0, 0)
+#define RGB_WHITE RGB(31, 31, 31)
+#define RGB_RED RGB(31, 0, 0)
+#define RGB_GREEN RGB(0, 31, 0)
+#define RGB_BLUE RGB(0, 0, 31)
+#define RGB_YELLOW RGB(31, 31, 0)
+#define RGB_MAGENTA RGB(31, 0, 31)
+#define RGB_CYAN RGB(0, 31, 31)
+
+#endif // GUARD_RGB_H
diff --git a/include/constants/weather.h b/include/constants/weather.h
new file mode 100644
index 000000000..953cc2753
--- /dev/null
+++ b/include/constants/weather.h
@@ -0,0 +1,39 @@
+#ifndef GUARD_CONSTANTS_WEATHER_H
+#define GUARD_CONSTANTS_WEATHER_H
+
+#define WEATHER_NONE           0
+#define WEATHER_CLOUDS         1
+#define WEATHER_SUNNY          2
+#define WEATHER_RAIN_LIGHT     3
+#define WEATHER_SNOW           4
+#define WEATHER_RAIN_MED       5
+#define WEATHER_FOG_1          6
+#define WEATHER_ASH            7
+#define WEATHER_SANDSTORM      8
+#define WEATHER_FOG_2          9
+#define WEATHER_FOG_3          10
+#define WEATHER_SHADE          11
+#define WEATHER_DROUGHT        12
+#define WEATHER_RAIN_HEAVY     13
+#define WEATHER_BUBBLES        14
+#define WEATHER_ROUTE119_CYCLE 20
+#define WEATHER_ROUTE123_CYCLE 21
+
+// These are used in maps' coord_weather_event entries.
+// They are not a one-to-one mapping with the engine's
+// internal weather constants above.
+#define COORD_EVENT_WEATHER_CLOUDS         1
+#define COORD_EVENT_WEATHER_SUNNY          2
+#define COORD_EVENT_WEATHER_RAIN_LIGHT     3
+#define COORD_EVENT_WEATHER_SNOW           4
+#define COORD_EVENT_WEATHER_RAIN_MED       5
+#define COORD_EVENT_WEATHER_FOG_1          6
+#define COORD_EVENT_WEATHER_FOG_2          7
+#define COORD_EVENT_WEATHER_ASH            8
+#define COORD_EVENT_WEATHER_SANDSTORM      9
+#define COORD_EVENT_WEATHER_SHADE          10
+#define COORD_EVENT_WEATHER_DROUGHT        11
+#define COORD_EVENT_WEATHER_ROUTE119_CYCLE 20
+#define COORD_EVENT_WEATHER_ROUTE123_CYCLE 21
+
+#endif // GUARD_CONSTANTS_WEATHER_H