; Artifact settlement owns caps, inventory and observer/tower isolation.
PreviewArtifactSignature3D PROC uses esi ecx source:DWORD
    mov esi,source
    mov ecx,9
    mov eax,0A57C0DEh
preview_artifact_sign:
    rol eax,5
    xor eax,[esi]
    add eax,9E3779B9h
    add esi,4
    loop preview_artifact_sign
    ret
PreviewArtifactSignature3D ENDP

ArtifactSaveSignature3D PROC uses esi ecx edx source:DWORD
    mov esi,source
    mov ecx,SAVE_ARTIFACT_SIGN_SIZE/4
    mov eax,0A57C0DEh
artifact_sign_word:
    rol eax,5
    xor eax,[esi]
    mov edx,eax
    shr edx,16
    xor eax,edx
    add eax,9E3779B9h
    add esi,4
    loop artifact_sign_word
    ret
ArtifactSaveSignature3D ENDP

ValidateArtifactSave3D PROC uses esi edi source:DWORD
    mov esi,source
    cmp DWORD PTR [esi+280],32465241h
    jne artifact_save_invalid
    mov eax,[esi+304]
    and eax,0FFFCFFFFh
    cmp eax,2
    jne artifact_save_invalid
    test DWORD PTR [esi+304],20000h
    jz @F
    test DWORD PTR [esi+304],10000h
    jz artifact_save_invalid
@@:
    invoke ArtifactSaveSignature3D,esi
    cmp eax,[esi+308]
    jne artifact_save_invalid
    mov edi,284
@@:
    cmp DWORD PTR [esi+edi],99
    ja artifact_save_invalid
    add edi,4
    cmp edi,300
    jb @B
    cmp DWORD PTR [esi+300],15
    ja artifact_save_invalid
    mov eax,1
    ret
artifact_save_invalid:
    xor eax,eax
    ret
ValidateArtifactSave3D ENDP

ArtifactCredit3D PROC amount:DWORD
    mov eax,1000000000
    sub eax,bankroll
    cmp eax,amount
    jbe @F
    mov eax,amount
@@:
    add bankroll,eax
    ret
ArtifactCredit3D ENDP

ResetArtifacts3D PROC
    mov brOwned3D,0
    mov brEnabled3D,1
    mov charmCloverUses,0
    mov charmHorseshoeUses,0
    mov charmSkullUses,0
    mov charmDevilUses,0
    mov charmEnabledMask3D,7
    ret
ResetArtifacts3D ENDP

ClampArtifacts3D PROC uses esi ecx
    lea esi,charmCloverUses
    mov ecx,4
@@:
    cmp DWORD PTR [esi],CHARM_MAX_USES
    jbe artifact_clamp_next
    mov DWORD PTR [esi],CHARM_MAX_USES
artifact_clamp_next:
    add esi,4
    loop @B
    and charmEnabledMask3D,15
    test charmEnabledMask3D,8
    jz @F
    and charmEnabledMask3D,12
@@:
    ret
ClampArtifacts3D ENDP

ToggleArtifact3D PROC index:DWORD
    mov ecx,index
    cmp ecx,3
    ja artifact_toggle_done
    btc charmEnabledMask3D,ecx
    cmp ecx,3
    jne @F
    test charmEnabledMask3D,8
    jz artifact_toggle_save
    and charmEnabledMask3D,12
    jmp artifact_toggle_save
@@:
    cmp ecx,2
    je artifact_toggle_save
    and charmEnabledMask3D,7
artifact_toggle_save:
    call SaveProgress3D
artifact_toggle_done:
    ret
ToggleArtifact3D ENDP

TriggerCharmLossProtection PROC uses ebx ecx edx betAmount:DWORD
    cmp obsActive3D,0
    jne artifact_loss_none
    cmp tournamentMode,0
    jne artifact_loss_none
    cmp betAmount,0
    je artifact_loss_none
    test charmEnabledMask3D,8
    jz artifact_loss_clover
    cmp charmDevilUses,0
    je artifact_loss_none
    dec charmDevilUses
    call SaveProgress3D
    jmp artifact_loss_none
artifact_loss_clover:
    test charmEnabledMask3D,1
    jz artifact_loss_none
    cmp charmCloverUses,0
    je artifact_loss_none
    mov eax,betAmount
    inc eax
    shr eax,1
    cmp eax,10000
    jbe @F
    mov eax,10000
@@:
    invoke ArtifactCredit3D,eax
    test eax,eax
    jz artifact_loss_none
    dec charmCloverUses
    invoke CopyString3D,OFFSET msgCharmCloverSave,OFFSET flashMessage
    mov flashTimer,140
    call SaveProgress3D
    mov eax,1
    ret
artifact_loss_none:
    xor eax,eax
    ret
TriggerCharmLossProtection ENDP

; Input is NET profit, never gross payout or returned stake.
TriggerCharmWinBonus PROC uses ebx ecx edx winAmount:DWORD
    cmp obsActive3D,0
    jne artifact_bonus_none
    cmp tournamentMode,0
    jne artifact_bonus_none
    cmp winAmount,0
    je artifact_bonus_none
    test charmEnabledMask3D,8
    jz artifact_bonus_horse
    cmp charmDevilUses,0
    je artifact_bonus_none
    mov eax,winAmount
    cmp eax,10000
    jbe @F
    mov eax,10000
@@:
    invoke ArtifactCredit3D,eax
    test eax,eax
    jz artifact_bonus_none
    dec charmDevilUses
    mov ebx,eax
    invoke CopyString3D,OFFSET msgCharmDevilSave,OFFSET flashMessage
    jmp artifact_bonus_save
artifact_bonus_horse:
    test charmEnabledMask3D,2
    jz artifact_bonus_none
    cmp charmHorseshoeUses,0
    je artifact_bonus_none
    mov eax,winAmount
    mov ecx,35
    mul ecx
    mov ecx,100
    div ecx
    test eax,eax
    jnz @F
    inc eax
@@:
    cmp eax,5000
    jbe @F
    mov eax,5000
@@:
    invoke ArtifactCredit3D,eax
    test eax,eax
    jz artifact_bonus_none
    dec charmHorseshoeUses
    mov ebx,eax
    invoke CopyString3D,OFFSET msgCharmHorseshoeWin,OFFSET flashMessage
artifact_bonus_save:
    mov flashTimer,140
    call SaveProgress3D
    mov eax,ebx
    ret
artifact_bonus_none:
    xor eax,eax
    ret
TriggerCharmWinBonus ENDP

TriggerCharmBulletProtection PROC
    cmp obsActive3D,0
    jne artifact_bullet_none
    cmp tournamentMode,0
    je artifact_bullet_normal
    cmp towerBulletUses3D,0
    je artifact_bullet_none
    dec towerBulletUses3D
    invoke CopyString3D,OFFSET towerBulletMessage3D,OFFSET flashMessage
    mov flashTimer,140
    mov eax,1
    ret
artifact_bullet_normal:
    test charmEnabledMask3D,4
    jz artifact_bullet_none
    cmp charmSkullUses,0
    je artifact_bullet_none
    dec charmSkullUses
    invoke CopyString3D,OFFSET msgCharmSkullSave,OFFSET flashMessage
    mov flashTimer,140
    call SaveProgress3D
    mov eax,1
    ret
artifact_bullet_none:
    xor eax,eax
    ret
TriggerCharmBulletProtection ENDP