Routines
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44833: Set Entity Size
Used by the routines at CreateSpawnedEntity, SetEntityDefaults, StartBurst, SetUpCreature, UpdatePickupEntity, UpdateGrowingBubbleEntity, SetUpShotSprite, UpdateBurstEntity, AnimateEntity, UpdateExtraRecord, AddObjectEntity, RunFrame, HandleOverlap and ResetEntities.
Fetches the sprite for the entity with FindSpriteFrame and copies the width and the height of the sprite to fields 22 and 23. If either is too big, the game crashes with FlashBorder.
Input
IX The entity
SetEntitySize 44833 CALL FindSpriteFrame Find the sprite of the entity.
44836 EX DE,HL Point HL at the sprite.
44837 LD A,(HL) Fetch the width of the sprite.
44838 CP 5 Jump to FlashBorder to crash if the width is 5 bytes or more.
44840 JR NC,FlashBorder
44842 LD A,(IX+22) Fetch the width byte of the entity.
44845 AND %11110000 Keep the flags in bits 4-7.
44847 OR (HL) Combine them with the width of the sprite.
44848 LD (IX+22),A Store the width of the entity.
44851 INC HL Move on to the height of the sprite.
44852 LD A,(HL) Fetch the height of the sprite.
44853 CP 40 Jump to FlashBorder to crash if the height is 40 or more.
44855 JR NC,FlashBorder
44857 LD A,(IX+23) Fetch the height byte of the entity.
44860 AND %11000000 Keep the flags in bits 6-7.
44862 OR (HL) Combine them with the height of the sprite.
44863 LD (IX+23),A Store the height of the entity.
44866 RET Return.
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