; 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
    cmp DWORD PTR [esi+304],2
    jne 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 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