; Additional native invariants. No player files or runtime writes.
RunBackroomsExtendedTest3D PROC uses ebx esi edi
    local rounds:DWORD,wins:DWORD,kind:DWORD,party:DWORD,bullets:DWORD,steps:DWORD
    mov brOwned3D,1
    mov brEnabled3D,0
    mov rngSeed3D,87654
    call BackroomsLuck3D
    cmp eax,-1
    jne br_extended_fail
    cmp rngSeed3D,87654
    jne br_extended_fail
    mov brEnabled3D,1
    mov obsActive3D,1
    call BackroomsLuck3D
    cmp eax,-1
    jne br_extended_fail
    mov obsActive3D,0
    mov brTestStage,111
    ; Actual blackjack party dealing, all guest counts.
    mov party,0
br_ext_bj_party:
    mov wins,0
    mov rounds,1000
br_ext_bj_round:
    mov bankroll,1000000
    mov eax,party
    mov cbBotCount3D,eax
    mov cbState3D,CB_IDLE
    call StartNativeBlackjack3D
    cmp cbPlayerScore3D,21
    jne @F
    inc wins
    cmp cbDealerScore3D,19
    jne br_extended_fail
@@:
    dec rounds
    jnz br_ext_bj_round
    cmp wins,860
    jb br_extended_fail
    cmp wins,940
    ja br_extended_fail
    inc party
    cmp party,4
    jb br_ext_bj_party
    mov cbBotCount3D,0
    ; Every scratch design, generated by the actual purchase path.
    mov scrReady3D,1
    mov brTestStage,112
    mov kind,0
br_ext_ticket_type:
    mov eax,kind
    add eax,120
    mov brTestStage,eax
    mov wins,0
    mov rounds,1000
br_ext_ticket:
    mov bankroll,1000000
    mov scrState3D,0
    mov scrPriceIndex3D,0
    mov eax,kind
    mov scrType3D,eax
    call BuyScratch3D
    mov eax,scrGross3D
    test eax,eax
    jz @F
    inc wins
@@:
    cmp kind,4
    jb @F
    call ScratchPortraitPayout3D
    cmp eax,scrGross3D
    jne br_extended_fail
@@:
    dec rounds
    jnz br_ext_ticket
    cmp wins,860
    jb br_extended_fail
    cmp wins,940
    ja br_extended_fail
    inc kind
    cmp kind,7
    jb br_ext_ticket_type
    ; Roulette: a real straight-up bet, including actual multiplier matching.
    lea edi,wheelBets3D
    mov brTestStage,113
    xor eax,eax
    mov ecx,49
    rep stosd
    mov wheelBets3D[7*4],100
    mov wheelStake3D,100
    mov wins,0
    mov rounds,1000
br_ext_wheel:
    invoke BackroomsWheelLuck3D,0
    cmp eax,36
    ja br_extended_fail
    invoke WheelBetMultiplier3D,7,eax
    test eax,eax
    jz @F
    inc wins
@@:
    dec rounds
    jnz br_ext_wheel
    cmp wins,860
    jb br_extended_fail
    cmp wins,940
    ja br_extended_fail
    ; Durak: 36 distinct legal cards, correctly exposed trump on favorable deals.
    mov rounds,1000
br_ext_durak:
    mov brTestStage,114
    mov bankroll,1000000
    mov dkState3D,DK_IDLE
    call StartNativeDurak3D
    xor esi,esi
br_ext_durak_card:
    mov eax,dkDeck3D[esi*4]
    cmp eax,52
    jae br_extended_fail
    invoke DurakCardRank,eax
    cmp eax,4
    jb br_extended_fail
    lea edi,[esi+1]
br_ext_durak_unique:
    cmp edi,36
    jae br_ext_durak_next
    mov eax,dkDeck3D[edi*4]
    cmp eax,dkDeck3D[esi*4]
    je br_extended_fail
    inc edi
    jmp br_ext_durak_unique
br_ext_durak_next:
    inc esi
    cmp esi,36
    jb br_ext_durak_card
    cmp dkDeck3D,33
    jne @F
    cmp durakTrumpSuit,2
    jne br_extended_fail
@@:
    dec rounds
    jnz br_ext_durak
    ; Russian roulette: real party elimination/reload rules, all 1..3 guests/bullets.
    mov party,1
    mov brTestStage,115
br_ext_rr_party:
    mov bullets,1
br_ext_rr_bullets:
    mov rounds,300
    mov wins,0
br_ext_rr_round:
    mov brTestStage,151
    mov eax,party
    mov rrPartyCount3D,eax
    call RRPartyReset3D
    mov eax,bullets
    mov rr3d_bullets,eax
    mov rrPartySettled3D,0
    mov rrPartyStake3D,50
    mov rr3d_bet,50
    mov rr3d_turn,0
    call BackroomsRussianLuck3D
    mov rrPartyReloads3D,1
    mov steps,0
br_ext_rr_shot:
    mov eax,rr3d_mask
    mov ecx,rr3d_chamber
    bt eax,ecx
    jnc br_ext_rr_advance
    call RRPartyHit3D
    cmp rrPartySettled3D,0
    jne br_ext_rr_outcome
br_ext_rr_advance:
    call RRPartyNext3D
    inc steps
    cmp steps,100
    jae br_extended_fail
    jmp br_ext_rr_shot
br_ext_rr_outcome:
    mov brTestStage,152
    cmp rr3d_state,RR_WIN
    jne @F
    inc wins
    cmp brRussianLuck3D,1
    jne br_extended_fail
@@:
    cmp brRussianLuck3D,1
    jne @F
    mov eax,party
    imul eax,10
    add eax,bullets
    add eax,200
    mov brTestStage,eax
    cmp rr3d_state,RR_WIN
    jne br_extended_fail
@@:
    dec rounds
    jnz br_ext_rr_round
    mov brTestStage,154
    cmp wins,240
    jb br_extended_fail
    cmp wins,295
    ja br_extended_fail
    inc bullets
    cmp bullets,4
    jb br_ext_rr_bullets
    inc party
    cmp party,4
    jb br_ext_rr_party
    ; Buckshot permutations retain cartridge counts and valid binary identities.
    mov rounds,1000
br_ext_bs:
    mov brTestStage,116
    call BuckshotReload3D
    xor edi,edi
    xor esi,esi
br_ext_bs_shell:
    mov eax,bs3d_shells[esi*4]
    cmp eax,1
    ja br_extended_fail
    add edi,eax
    inc esi
    cmp esi,bs3d_shellCount
    jb br_ext_bs_shell
    cmp edi,bs3d_liveCount
    jne br_extended_fail
    add edi,bs3d_blankCount
    cmp edi,bs3d_shellCount
    jne br_extended_fail
    dec rounds
    jnz br_ext_bs
    xor eax,eax
    ret
br_extended_fail:
    mov eax,brTestStage
    ret
RunBackroomsExtendedTest3D ENDP

RunBackroomsSaveTest3D PROC uses ebx esi edi
    ; Signed but impossible enabled-without-owned flag must be rejected.
    mov DWORD PTR saveBuffer[304],20002h
    invoke ArtifactSaveSignature3D,OFFSET saveBuffer
    mov DWORD PTR saveBuffer[308],eax
    invoke ValidateArtifactSave3D,OFFSET saveBuffer
    test eax,eax
    jnz br_save_fail
    ; Native preview keeps its 40-byte, signed backward-compatible layout.
    invoke CopyCString,OFFSET savePath3D,OFFSET brTestPreviewPath
    mov nativeProfileActive3D,0
    mov arrivalConfirmed3D,1
    mov brOwned3D,1
    mov brEnabled3D,1
    call SaveProgress3D
    mov brOwned3D,0
    mov brEnabled3D,0
    call LoadProgress3D
    cmp brOwned3D,1
    jne br_save_fail
    cmp brEnabled3D,1
    jne br_save_fail
    mov brActive3D,1
    mov brEnabled3D,0
    invoke LeaveBackrooms3D,1
    cmp brOwned3D,1
    jne br_save_fail
    cmp brEnabled3D,0
    jne br_save_fail
    call LoadProgress3D
    cmp brEnabled3D,0
    jne br_save_fail
    xor eax,eax
    ret
br_save_fail:
    mov eax,102
    ret
RunBackroomsSaveTest3D ENDP

.data
brContextModes dd MODE_COIN,MODE_DICE,MODE_SLOTS,MODE_BLACKJACK,MODE_ROULETTE,MODE_CLOVER
brContextMap db 1024 dup(0)
.code
RunBackroomsContextTest3D PROC uses ebx esi edi
    local index:DWORD,x:DWORD,y:DWORD
    call GenerateBackrooms3D
    mov brActive3D,1
    mov brCutscene3D,0
    mov hallLevel3D,HALL_BACKROOMS
    mov worldMap3D,OFFSET brMap3D
    lea esi,brMap3D
    lea edi,brContextMap
    mov ecx,256
    rep movsd
    mov index,0
br_context_game:
    mov esi,index
    mov ebx,brGameCells3D[esi*4]
    mov eax,ebx
    and eax,31
    shl eax,16
    add eax,FP_HALF
    mov x,eax
    mov playerX,eax
    mov eax,ebx
    shr eax,5
    shl eax,16
    add eax,FP_HALF
    mov y,eax
    mov playerY,eax
    mov playerAngle,77
    mov engineMode,MODE_WALK
    mov mouseLocked3D,0
    mov deltaTime3D,16
    call ClearKeys3D
    mov pressedKeys3D[45h],1
    call HandleBackrooms3D
    mov esi,index
    mov eax,brContextModes[esi*4]
    cmp eax,engineMode
    jne br_context_fail
    cmp eax,MODE_DICE
    jne @F
    call DiceEscape3D
    jmp br_context_returned
@@:
    call CardTableEscape3D
br_context_returned:
    cmp engineMode,MODE_WALK
    jne br_context_fail
    mov eax,x
    cmp playerX,eax
    jne br_context_fail
    mov eax,y
    cmp playerY,eax
    jne br_context_fail
    cmp playerAngle,77
    jne br_context_fail
    cmp worldMap3D,OFFSET brMap3D
    jne br_context_fail
    cmp hallLevel3D,HALL_BACKROOMS
    jne br_context_fail
    lea esi,brMap3D
    lea edi,brContextMap
    mov ecx,1024
    repe cmpsb
    jne br_context_fail
    inc index
    cmp index,6
    jb br_context_game
    mov brActive3D,0
    mov hallLevel3D,0
    mov worldMap3D,OFFSET casinoMap
    xor eax,eax
    ret
br_context_fail:
    mov eax,103
    ret
RunBackroomsContextTest3D ENDP

RunBackroomsWallTest3D PROC uses esi
    mov brActive3D,0
    mov engineMode,MODE_WALK
    mov mouseLocked3D,0
    mov playerX,16*FP_1+FP_HALF
    mov playerY,27*FP_1+FP_HALF
    mov playerAngle,128
    mov deltaTime3D,16
    mov brEntryHold3D,0
    call ClearKeys3D
    mov keys3D[57h],1
    mov esi,500
br_wall_walk:
    call HandlePlayerInput
    call BackroomsEntry3D
    cmp brActive3D,1
    je br_wall_entered
    dec esi
    jnz br_wall_walk
    mov eax,104
    ret
br_wall_entered:
    cmp playerY,30*FP_1
    jae br_wall_fail
    cmp playerY,30*FP_1-15000
    jb br_wall_fail
    call ClearKeys3D
    xor eax,eax
    ret
br_wall_fail:
    mov eax,105
    ret
RunBackroomsWallTest3D ENDP