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Routines |
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Animate the trap door for Drutt's current action and refresh Berk's interaction with it.
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| ScriptRoutine_AnimateTrapDoorBerk | AFDC | LD A,($72BB) | Load A with Drutt's animation counter (DruttAnimationCounter). | |
| AFDF | OR A | Is Drutt's animation counter (DruttAnimationCounter) zero? If not, jump to AdvanceScriptInstruction to run the next script instruction. | ||
| AFE0 | JP NZ,AdvanceScriptInstruction | |||
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| AFE3 | LD A,$0C | Load A with sound index 0C. | ||
| AFE5 | CALL Queue_Sound | Call Queue_Sound to queue a sound effect. | ||
| AFE8 | LD IY,$908D | Point IY at complex entity state StateData_Complex_30. | ||
| AFEC | DEC (IY+$05) | Move the referenced entity one character up. | ||
| AFEF | DEC (IY+$06) | |||
| AFF2 | LD A,(IY+$06) | Load A with the referenced entity's y-extent. | ||
| AFF5 | CP $16 | Is the y-extent still below the trap door open threshold 16? If not, jump to AnimateTrapDoor_ToggleFrame. | ||
| AFF7 | JR NZ,AnimateTrapDoor_ToggleFrame | |||
| AFF9 | CALL Reset_Trap_Door_Animation_State | Call Reset_Trap_Door_Animation_State to reset trap door animation state. | ||
| AFFC | XOR A | Clear the trap door flags. | ||
| AFFD | LD ($72BA),A | Set the trap door flags (TrapDoorFlags). | ||
| B000 | JR AnimateTrapDoor_SetLayoutB | Jump to AnimateTrapDoor_SetLayoutB to handle the trap door. | ||
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Toggle the lever animation phase and choose open facing left (GraphicLayout_LeverOpenLeft) or closed facing left (GraphicLayout_LeverClosedLeft).
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| AnimateTrapDoor_ToggleFrame | B002 | LD A,($72BA) | Load A with the trap door flags (TrapDoorFlags). | |
| B005 | XOR %00000001 | Toggle the trap door animation phase bit in A. | ||
| B007 | LD ($72BA),A | Set the trap door flags (TrapDoorFlags). | ||
| B00A | SRL A | Shift the trap door animation phase bit into the success marker. | ||
| B00C | JR NC,AnimateTrapDoor_SetLayoutB | Jump to AnimateTrapDoor_SetLayoutB to handle the trap door if the result did not underflow. | ||
| B00E | LD BC,$A818 | Point BC at the lever open, facing left (GraphicLayout_LeverOpenLeft). | ||
| B011 | JR AnimateTrapDoor_WriteLayout | Jump to AnimateTrapDoor_WriteLayout to handle the trap door. | ||
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Use the lever closed, facing left at GraphicLayout_LeverClosedLeft.
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| AnimateTrapDoor_SetLayoutB | B013 | LD BC,$A827 | Point BC at the lever closed, facing left (GraphicLayout_LeverClosedLeft). | |
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Install the chosen lever layout into Pointer_AnimatingSceneryLayout and continue the script.
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| AnimateTrapDoor_WriteLayout | B016 | LD ($91AF),BC | Store BC in the animating scenery layout pointer (Pointer_AnimatingSceneryLayout). | |
| B01A | JP AdvanceScriptInstruction | Jump to AdvanceScriptInstruction to run the next script instruction. | ||
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