Wild Pokemon functions and data

Replaced encounter rates with percent values
Added new constants denoting the number of wild Pokemon in the grass and water wild constructs
Annotated and relabeled the encounter generating functions
Renamed a WRAM address associaed with the temporary storage of the wild Pokemon's species
Moved spawn constants to constants/map_constants.asm for use anywhere in the disassembly

engine/events_2.asm

@@ -105,7 +105,7 @@ Function97cc0:: ; 97cc0
 	ld hl, StatusFlags2
 	bit 2, [hl]
 	jr nz, .asm_97cdb
-	callba Function2a0e7
+	callba TryWildEncounter
 	jr nz, .asm_97ce2
 	jr .asm_97ce6
 
@@ -167,10 +167,10 @@ Function97cfd:: ; 97cfd
 ; 97d23
 
 Function97d23: ; 97d23
-	call Function97d64
+	call TryWildEncounter_BugContest
 	ret nc
 	call Function97d31
-	callba Function2a1df
+	callba CheckRepelEffect
 	ret
 ; 97d31
 
@@ -196,7 +196,7 @@ Function97d31:: ; 97d31
 
 ; Species
 	ld a, [hli]
-	ld [wd22e], a
+	ld [TempWildMonSpecies], a
 
 ; Min level
 	ld a, [hli]
@@ -228,16 +228,16 @@ Function97d31:: ; 97d31
 	ret
 ; 97d64
 
-Function97d64: ; 97d64
+TryWildEncounter_BugContest: ; 97d64
 	ld a, [StandingTile]
-	call Function188e
+	call CheckSuperTallGrassTile
 	ld b, $66
 	jr z, .asm_97d70
 	ld b, $33
 
 .asm_97d70
-	callba Function2a124
-	callba Function2a138
+	callba ApplyMusicEffectOnEncounterRate
+	callba ApplyCleanseTagEffectOnEncounterRate
 	call Random
 	ld a, [hRandomAdd]
 	cp b