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Routines |
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Entity handler stored in primary wave enemy records. Called once per frame by the entity dispatcher in DispatchWordFromHL. Searches the entity list for a collision-free position via Find_Colliding_Entity. If a free position exists, hands off to Process_Enemy_Entity to draw the entity and detect contact with other enemies. Otherwise checks whether the enemy touches the player via HitTestBounds8AtHL; if the player is hit, the death transition fires via Strip_Attributes_And_Fade.
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| Primary_Enemy_Entity_Handler | CCCE | EXX | Switch to alternate registers and search the entity list for a free slot via Find_Colliding_Entity; restore main registers. | |
| CCCF | CALL Find_Colliding_Entity | |||
| CCD2 | EXX | |||
| CCD3 | JR NC,Process_Enemy_Entity | If a free slot was found, hand off to Process_Enemy_Entity. | ||
| CCD5 | EXX | Load the player's screen position into alternate HL. | ||
| CCD6 | LD HL,$C4D4 | |||
| CCD9 | EXX | |||
| CCDA | CALL HitTestBounds8AtHL | Test whether the enemy's bounds overlap the player via HitTestBounds8AtHL. | ||
| CCDD | JP NC,Strip_Attributes_And_Fade | If the player is hit, trigger the death transition via Strip_Attributes_And_Fade. | ||
| CCE0 | INC HL | Advance the entity list pointer four bytes and save it in BC. | ||
| CCE1 | INC HL | |||
| CCE2 | INC HL | |||
| CCE3 | INC HL | |||
| CCE4 | LD B,H | |||
| CCE5 | LD C,L | |||
| CCE6 | JP Draw_Spawned_Entity_Attribute | Write the entity's attribute colour via Draw_Spawned_Entity_Attribute. | ||
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