diff options
Diffstat (limited to 'engine/overworld/trainers.asm')
| -rwxr-xr-x | engine/overworld/trainers.asm | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/engine/overworld/trainers.asm b/engine/overworld/trainers.asm index 4aaab3ed..655c6b2a 100755 --- a/engine/overworld/trainers.asm +++ b/engine/overworld/trainers.asm @@ -1,42 +1,42 @@ -_GetSpritePosition1: ; 567f9 (15:67f9) +_GetSpritePosition1: ld hl, wSpriteStateData1 ld de, $4 ld a, [wSpriteIndex] ld [H_SPRITEINDEX], a call GetSpriteDataPointer - ld a, [hli] + ld a, [hli] ; c1x4 (screen Y pos) ld [$ffeb], a inc hl - ld a, [hl] + ld a, [hl] ; c1x6 (screen X pos) ld [$ffec], a - ld de, $fe + ld de, (wSpriteStateData2 + $4) - (wSpriteStateData1 + $6) add hl, de - ld a, [hli] + ld a, [hli] ; c2x4 (map Y pos) ld [$ffed], a - ld a, [hl] + ld a, [hl] ; c2x5 (map X pos) ld [$ffee], a ret -_GetSpritePosition2: ; 56819 (15:6819) +_GetSpritePosition2: ld hl, wSpriteStateData1 ld de, $4 ld a, [wSpriteIndex] ld [H_SPRITEINDEX], a call GetSpriteDataPointer ld a, [hli] ; c1x4 (screen Y pos) - ld [wd130], a + ld [wSavedSpriteScreenY], a inc hl ld a, [hl] ; c1x6 (screen X pos) - ld [wd131], a - ld de, $104 - $6 + ld [wSavedSpriteScreenX], a + ld de, (wSpriteStateData2 + $4) - (wSpriteStateData1 + $6) add hl, de ld a, [hli] ; c2x4 (map Y pos) - ld [wd132], a + ld [wSavedSpriteMapY], a ld a, [hl] ; c2x5 (map X pos) - ld [wd133], a + ld [wSavedSpriteMapX], a ret -_SetSpritePosition1: ; 5683d (15:683d) +_SetSpritePosition1: ld hl, wSpriteStateData1 ld de, $4 ld a, [wSpriteIndex] @@ -47,7 +47,7 @@ _SetSpritePosition1: ; 5683d (15:683d) inc hl ld a, [$ffec] ; c1x6 (screen X pos) ld [hl], a - ld de, $104 - $6 + ld de, (wSpriteStateData2 + $4) - (wSpriteStateData1 + $6) add hl, de ld a, [$ffed] ; c2x4 (map Y pos) ld [hli], a @@ -55,36 +55,36 @@ _SetSpritePosition1: ; 5683d (15:683d) ld [hl], a ret -_SetSpritePosition2: ; 5685d (15:685d) +_SetSpritePosition2: ld hl, wSpriteStateData1 - ld de, $0004 + ld de, 4 ld a, [wSpriteIndex] ld [H_SPRITEINDEX], a call GetSpriteDataPointer - ld a, [wd130] - ld [hli], a + ld a, [wSavedSpriteScreenY] + ld [hli], a ; c1x4 (screen Y pos) inc hl - ld a, [wd131] - ld [hl], a - ld de, $00fe + ld a, [wSavedSpriteScreenX] + ld [hl], a ; c1x6 (screen X pos) + ld de, (wSpriteStateData2 + $4) - (wSpriteStateData1 + $6) add hl, de - ld a, [wd132] - ld [hli], a - ld a, [wd133] - ld [hl], a + ld a, [wSavedSpriteMapY] + ld [hli], a ; c2x4 (map Y pos) + ld a, [wSavedSpriteMapX] + ld [hl], a ; c2x5 (map X pos) ret -TrainerWalkUpToPlayer: ; 56881 (15:6881) +TrainerWalkUpToPlayer: ld a, [wSpriteIndex] swap a - ld [wTrainerSpriteOffset], a ; wWhichTrade + ld [wTrainerSpriteOffset], a call ReadTrainerScreenPosition ld a, [wTrainerFacingDirection] - and a + and a ; SPRITE_FACING_DOWN jr z, .facingDown - cp $4 + cp SPRITE_FACING_UP jr z, .facingUp - cp $8 + cp SPRITE_FACING_LEFT jr z, .facingLeft jr .facingRight .facingDown @@ -148,8 +148,8 @@ TrainerWalkUpToPlayer: ; 56881 (15:6881) jp MoveSprite_ ; input: de = offset within sprite entry -; output: de = pointer to sprite data -GetSpriteDataPointer: ; 56903 (15:6903) +; output: hl = pointer to sprite data +GetSpriteDataPointer: push de add hl, de ld a, [H_SPRITEINDEX] @@ -161,10 +161,10 @@ GetSpriteDataPointer: ; 56903 (15:6903) ret ; tests if this trainer is in the right position to engage the player and do so if she is. -TrainerEngage: ; 5690f (15:690f) +TrainerEngage: push hl push de - ld a, [wTrainerSpriteOffset] ; wWhichTrade + ld a, [wTrainerSpriteOffset] add $2 ld d, $0 ld e, a @@ -175,7 +175,7 @@ TrainerEngage: ; 5690f (15:690f) jr nz, .spriteOnScreen ; test if sprite is on screen jp .noEngage .spriteOnScreen - ld a, [wTrainerSpriteOffset] ; wWhichTrade + ld a, [wTrainerSpriteOffset] add $9 ld d, $0 ld e, a @@ -218,57 +218,57 @@ TrainerEngage: ; 5690f (15:690f) jp .noEngage .engage call CheckPlayerIsInFrontOfSprite - ld a, [wTrainerSpriteOffset] ; wWhichTrade + ld a, [wTrainerSpriteOffset] and a jr z, .noEngage ld hl, wFlags_0xcd60 set 0, [hl] call EngageMapTrainer ld a, $ff -.noEngage: ; 56988 (15:6988) - ld [wTrainerSpriteOffset], a ; wWhichTrade +.noEngage + ld [wTrainerSpriteOffset], a pop de pop hl ret ; reads trainer's Y position to wTrainerScreenY and X position to wTrainerScreenX -ReadTrainerScreenPosition: ; 5698e (15:698e) - ld a, [wTrainerSpriteOffset] ; wWhichTrade +ReadTrainerScreenPosition: + ld a, [wTrainerSpriteOffset] add $4 ld d, $0 ld e, a ld hl, wSpriteStateData1 add hl, de - ld a, [hl] + ld a, [hl] ; c1x4 (sprite Y pos) ld [wTrainerScreenY], a - ld a, [wTrainerSpriteOffset] ; wWhichTrade + ld a, [wTrainerSpriteOffset] add $6 ld d, $0 ld e, a ld hl, wSpriteStateData1 add hl, de - ld a, [hl] + ld a, [hl] ; c1x6 (sprite X pos) ld [wTrainerScreenX], a ret ; checks if the sprite is properly lined up with the player with respect to the direction it's looking. Also checks the distance between player and sprite ; note that this does not necessarily mean the sprite is seeing the player, he could be behind it's back ; a: distance player to sprite -CheckSpriteCanSeePlayer: ; 569af (15:69af) +CheckSpriteCanSeePlayer: ld b, a - ld a, [wTrainerEngageDistance] ; sprite line of sight (engage distance) + ld a, [wTrainerEngageDistance] ; how far the trainer can see cp b jr nc, .checkIfLinedUp jr .notInLine ; player too far away .checkIfLinedUp ld a, [wTrainerFacingDirection] ; sprite facing direction - cp $0 ; down + cp SPRITE_FACING_DOWN jr z, .checkXCoord - cp $4 ; up + cp SPRITE_FACING_UP jr z, .checkXCoord - cp $8 ; left + cp SPRITE_FACING_LEFT jr z, .checkYCoord - cp $c ; right + cp SPRITE_FACING_RIGHT jr z, .checkYCoord jr .notInLine .checkXCoord @@ -290,11 +290,11 @@ CheckSpriteCanSeePlayer: ; 569af (15:69af) ret ; tests if the player is in front of the sprite (rather than behind it) -CheckPlayerIsInFrontOfSprite: ; 569e3 (15:69e3) - ld a, [W_CURMAP] ; W_CURMAP +CheckPlayerIsInFrontOfSprite: + ld a, [wCurMap] cp POWER_PLANT - jp z, .engage ; XXX not sure why bypass this for power plant (maybe to get voltorb fake items to work?) - ld a, [wTrainerSpriteOffset] ; wWhichTrade + jp z, .engage ; bypass this for power plant to get voltorb fake items to work + ld a, [wTrainerSpriteOffset] add $4 ld d, $0 ld e, a @@ -306,7 +306,7 @@ CheckPlayerIsInFrontOfSprite: ; 569e3 (15:69e3) ld a, $c .notOnTopmostTile ld [wTrainerScreenY], a - ld a, [wTrainerSpriteOffset] ; wWhichTrade + ld a, [wTrainerSpriteOffset] add $6 ld d, $0 ld e, a @@ -315,21 +315,21 @@ CheckPlayerIsInFrontOfSprite: ; 569e3 (15:69e3) ld a, [hl] ; c1x6 (sprite screen X pos) ld [wTrainerScreenX], a ld a, [wTrainerFacingDirection] ; facing direction - cp $0 + cp SPRITE_FACING_DOWN jr nz, .notFacingDown ld a, [wTrainerScreenY] ; sprite screen Y pos cp $3c jr c, .engage ; sprite above player jr .noEngage ; sprite below player .notFacingDown - cp $4 + cp SPRITE_FACING_UP jr nz, .notFacingUp ld a, [wTrainerScreenY] ; sprite screen Y pos cp $3c jr nc, .engage ; sprite below player jr .noEngage ; sprite above player .notFacingUp - cp $8 + cp SPRITE_FACING_LEFT jr nz, .notFacingLeft ld a, [wTrainerScreenX] ; sprite screen X pos cp $40 @@ -345,5 +345,5 @@ CheckPlayerIsInFrontOfSprite: ; 569e3 (15:69e3) .noEngage xor a .done - ld [wTrainerSpriteOffset], a ; wWhichTrade + ld [wTrainerSpriteOffset], a ret |