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def_objects: MACRO
IF DEF(_NUM_OBJECTS)
PURGE _NUM_OBJECTS
ENDC
_NUM_OBJECTS EQUS "_NUM_OBJECTS_\@"
db _NUM_OBJECTS
_NUM_OBJECTS = 0
ENDM
;\1 sprite id
;\2 x position
;\3 y position
;\4 movement (WALK/STAY)
;\5 range or direction
;\6 text id
;\7 items only: item id
;\7 trainers only: trainer class/pokemon id
;\8 trainers only: trainer number/pokemon level
object: MACRO
db \1
db \3 + 4
db \2 + 4
db \4
db \5
IF _NARG > 7
db TRAINER | \6
db \7
db \8
ELIF _NARG > 6
db ITEM | \6
db \7
ELSE
db \6
ENDC
_NUM_OBJECTS = _NUM_OBJECTS + 1
ENDM
def_warps: MACRO
IF DEF(_NUM_WARPS)
PURGE _NUM_WARPS
ENDC
_NUM_WARPS EQUS "_NUM_WARPS_\@"
db _NUM_WARPS
_NUM_WARPS = 0
ENDM
;\1 x position
;\2 y position
;\3 destination warp id
;\4 destination map (-1 = wLastMap)
warp: MACRO
db \2, \1, \3, \4
_NUM_WARPS = _NUM_WARPS + 1
; the Nth warp defines a corresponding Nth warp_to, stored in _WARP_TO_NUM_<N>
_WARP_TO_NAME EQUS "_WARP_TO_NUM_{d:{_NUM_WARPS}}"
_WARP_TO_NAME EQUS "warp_to \1, \2, _WARP_TO_WIDTH"
PURGE _WARP_TO_NAME
ENDM
def_signs: MACRO
IF DEF(_NUM_SIGNS)
PURGE _NUM_SIGNS
ENDC
_NUM_SIGNS EQUS "_NUM_SIGNS_\@"
db _NUM_SIGNS
_NUM_SIGNS = 0
ENDM
;\1 x position
;\2 y position
;\3 sign id
sign: MACRO
db \2, \1, \3
_NUM_SIGNS = _NUM_SIGNS + 1
ENDM
;\1 source map
def_warps_to: MACRO
; output and purge each _WARP_TO_NUM_<N> warp_to, from N=1 to _NUM_WARPS
_WARP_TO_WIDTH = \1_WIDTH
_WARP_TO_N = 1
REPT _NUM_WARPS
_WARP_TO_NAME EQUS "_WARP_TO_NUM_{d:_WARP_TO_N}"
_WARP_TO_NAME
_WARP_TO_N = _WARP_TO_N + 1
_PURGE_WARP_TO_NUM EQUS "PURGE {_WARP_TO_NAME}"
_PURGE_WARP_TO_NUM
PURGE _PURGE_WARP_TO_NUM
PURGE _WARP_TO_NAME
ENDR
ENDM
;\1 x position
;\2 y position
;\3 map width
warp_to: MACRO
event_displacement \3, \1, \2
ENDM
;\1 event flag
;\2 view range
;\3 TextBeforeBattle
;\4 TextAfterBattle
;\5 TextEndBattle
trainer: MACRO
IF _NARG > 5
dbEventFlagBit \1, \2
db (\3 << 4)
dwEventFlagAddress \1, \2
SHIFT
ELSE
dbEventFlagBit \1
db (\2 << 4)
dwEventFlagAddress \1
ENDC
dw \3, \5, \4, \4
ENDM
;\1 x position
;\2 y position
;\3 movement data
map_coord_movement: MACRO
dbmapcoord \1, \2
dw \3
ENDM
;\1 map name
;\2 map id
;\3 tileset
;\4 connections: combo of NORTH, SOUTH, WEST, and/or EAST, or 0 for none
map_header: MACRO
CURRENT_MAP_WIDTH = \2_WIDTH
CURRENT_MAP_HEIGHT = \2_HEIGHT
CURRENT_MAP_OBJECT EQUS "\1_Object"
\1_h::
db \3
db CURRENT_MAP_HEIGHT, CURRENT_MAP_WIDTH
dw \1_Blocks
dw \1_TextPointers
dw \1_Script
db \4
ENDM
; Comes after map_header and connection macros
end_map_header: MACRO
dw CURRENT_MAP_OBJECT
PURGE CURRENT_MAP_WIDTH
PURGE CURRENT_MAP_HEIGHT
PURGE CURRENT_MAP_OBJECT
ENDM
; Connections go in order: north, south, west, east
;\1 direction
;\2 map name
;\3 map id
;\4 offset of the target map relative to the current map
; (x offset for east/west, y offset for north/south)
connection: MACRO
; Calculate tile offsets for source (current) and target maps
_src = 0
_tgt = (\4) + 3
IF _tgt < 2
_src = -_tgt
_tgt = 0
ENDC
IF !STRCMP("\1", "north")
_blk = \3_WIDTH * (\3_HEIGHT - 3) + _src
_map = _tgt
_win = (\3_WIDTH + 6) * \3_HEIGHT + 1
_y = \3_HEIGHT * 2 - 1
_x = (\4) * -2
_len = CURRENT_MAP_WIDTH + 3 - (\4)
IF _len > \3_WIDTH
_len = \3_WIDTH
ENDC
ELIF !STRCMP("\1", "south")
_blk = _src
_map = (CURRENT_MAP_WIDTH + 6) * (CURRENT_MAP_HEIGHT + 3) + _tgt
_win = \3_WIDTH + 7
_y = 0
_x = (\4) * -2
_len = CURRENT_MAP_WIDTH + 3 - (\4)
IF _len > \3_WIDTH
_len = \3_WIDTH
ENDC
ELIF !STRCMP("\1", "west")
_blk = (\3_WIDTH * _src) + \3_WIDTH - 3
_map = (CURRENT_MAP_WIDTH + 6) * _tgt
_win = (\3_WIDTH + 6) * 2 - 6
_y = (\4) * -2
_x = \3_WIDTH * 2 - 1
_len = CURRENT_MAP_HEIGHT + 3 - (\4)
IF _len > \3_HEIGHT
_len = \3_HEIGHT
ENDC
ELIF !STRCMP("\1", "east")
_blk = (\3_WIDTH * _src)
_map = (CURRENT_MAP_WIDTH + 6) * _tgt + CURRENT_MAP_WIDTH + 3
_win = \3_WIDTH + 7
_y = (\4) * -2
_x = 0
_len = CURRENT_MAP_HEIGHT + 3 - (\4)
IF _len > \3_HEIGHT
_len = \3_HEIGHT
ENDC
ELSE
fail "Invalid direction for 'connection'."
ENDC
db \3
dw \2_Blocks + _blk
dw wOverworldMap + _map
db _len - _src
db \3_WIDTH
db _y, _x
dw wOverworldMap + _win
ENDM
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