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Routines |
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Used by the routines at DropObject, RunProjectile, RunHomingCreature, RunFallingObject, RunBobbingBlock, RunWanderingSpark, RunHelperSource, RunWanderer and RunFourFrameWanderer.
Applies gravity to an object, then moves it by its speeds, limited to where it is able to go by BlockMovement, which changes the speeds. ApplyGravityAndMove_AddSpeeds only moves the object.
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Speed the fall, then stay clear of walls and other objects.
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| ApplyGravityAndMove | 47481 | DEC (IX+11) | Reduce the speed along z by one, which is gravity. | |||||
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This entry point is used by the routines at RunPentagramStone, RunSinkingBlock, RunLift, RunBobbingBlock, RunSliderX, RunSliderY, RunStaticObject, RunCollectableObject, RunHelperSource, RunHelper, RunCrumblingBlock, RunConveyorBlockPlusX, RunConveyorBlockMinusX, RunConveyorBlockPlusY and RunConveyorBlockMinusY.
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| ApplyGravityAndMove_Move | 47484 | CALL BlockMovement | Call BlockMovement to move the object. | |||||
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This entry point is used by the routine at MovePlayer.
Add the speeds to the position.
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| ApplyGravityAndMove_AddSpeeds | 47487 | LD A,(IX+1) | Fetch the x position of the object. | |||||
| 47490 | ADD A,(IX+9) | Add the speed along the x axis. | ||||||
| 47493 | LD (IX+1),A | Set the new x position. | ||||||
| 47496 | LD A,(IX+2) | Fetch the y position of the object. | ||||||
| 47499 | ADD A,(IX+10) | Add the speed along the y axis. | ||||||
| 47502 | LD (IX+2),A | Set the new y position. | ||||||
| 47505 | LD A,(IX+3) | Fetch the z position of the object. | ||||||
| 47508 | ADD A,(IX+11) | Add the speed along the z axis. | ||||||
| 47511 | LD (IX+3),A | Set the new z position. | ||||||
| 47514 | RET | Return. | ||||||
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View the equivalent code in;
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