Add npc text color constants

include/constants/vars.h

@@ -334,4 +334,11 @@
 
 #define SPECIAL_VARS_END           0x8014
 
+// Text color ids for VAR_TEXT_COLOR / VAR_PREV_TEXT_COLOR
+#define NPC_TEXT_COLOR_MALE      0 // Blue, for male NPCs
+#define NPC_TEXT_COLOR_FEMALE    1 // Red, for female NPCs
+#define NPC_TEXT_COLOR_MON       2 // Black, for Pokémon
+#define NPC_TEXT_COLOR_NEUTRAL   3 // Black, for inanimate objects and messages from the game
+#define NPC_TEXT_COLOR_DEFAULT 255 // If an NPC is selected, use the color specified by GetColorFromTextColorTable, otherwise use Neutral.
+
 #endif // GUARD_CONSTANTS_VARS_H