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|
Display_Entities:
LD HL, $mem_entities_list
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
CALL =Display_Entity
LD BC, $00a0
LD HL, $mem_oam_buffer
LD A, $mem_oam_buffer_low
ADD L
LD L, A
LD A, $mem_oam_buffer_low
XOR $ff
INC A
ADD C
LD C, A
CALL =bzero
RET
Display_Entity:
LD A, (HL+)
LD E, A
CP $00
JP Z, =.skip
LD A, (HL+)
ADD $80
LD D, A
LD A, $mem_viewport_x
LD B, A
SUB $82
CP D
JP NC, =.skip
ADD $0e
CP D
JP C, =.skip
LD A, D
SUB $80
SUB B
AND $0f
SWAP A
LD B, A
LD A, (HL+)
ADD $80
LD D, A
LD A, $mem_viewport_y
LD C, A
SUB $82
CP D
JP NC, =.skip
ADD $0d
CP D
JP C, =.skip
LD A, D
SUB $80
SUB C
AND $0f
SWAP A
ADD $06
LD C, A
.Check_Window_Overlap:
LD A, $mem_display_flag
BIT 3, A
JR Z, =.Check_Window_Overlap.end
LD A, $6f
CP B
JR NC, =.Check_Window_Overlap.end
LD A, $55
CP C
JP C, =.skip
.Check_Window_Overlap.end:
.ADD_MOVING_ANIMATION_OFFSET
LD A, (HL+)
BIT 3, A
LD D, A
.Moving_Animation:
JR Z, =.Moving_Animation.end
LD A, $mem_moving_animation_step
.ADD_A_TO_DIRECTION_BC
.Moving_Animation.end:
.Blinking_Animation:
LD A, L
AND $f0
OR $07
LD L, A
BIT 3, (HL)
JR Z, =.Blinking_Animation.end
LD A, $mem_blinking_animation_counter
AND $02
CP $02
JP Z, =.skip
.Blinking_Animation.end:
.Action_Animation:
LD A, L
AND $f0
OR $0a
LD L, A
LD A, $01
CP (HL)
JR NZ, =.Action_Animation.end
LD A, $mem_moving_animation_step
CP $04
JR C, =.Action_Animation.Step1
CP $0c
JR C, =.Action_Animation.Step2
JR =.Action_Animation.end
.Action_Animation.Step1:
SLA A
SLA A
JR =.Action_Animation.Apply
.Action_Animation.Step2:
SUB $04
SLA A
XOR $ff
INC A
ADD $10
.Action_Animation.Apply:
.ADD_A_TO_DIRECTION_BC
.Action_Animation.end:
.SuperJump_Animation:
LD A, L
AND $f0
OR $0a
LD L, A
LD A, $03
CP (HL)
JR NZ, =.SuperJump_Animation.end
LD A, $mem_moving_animation_step
CP $00
JR Z, =.SuperJump_Animation.end
.ADD_A_TO_DIRECTION_BC
LD A, $mem_moving_animation_step
SUB $08
.ABS
SLA A
CPL
INC A
ADD $10
CPL
INC A
ADD C
LD C, A
.SuperJump_Animation.end:
.Shaking_Animation:
LD A, L
AND $f0
OR $0a
LD L, A
LD A, $04
CP (HL)
JR NZ, =.Shaking_Animation.end
LD A, $mem_moving_animation_step
CP $00
JR Z, =.Shaking_Animation.end
LD A, $mem_moving_animation_step
SRA A
AND $03
BIT 1, A
RES 1, A
JR NZ, =.Shaking_Animation.skip_invert
CPL
INC A
.Shaking_Animation.skip_invert:
ADD B
LD B, A
.Shaking_Animation.end:
.Moving_2x:
LD A, L
AND $f0
OR $0a
LD L, A
LD A, $05
CP (HL)
JR NZ, =.Moving_2x.end
LD A, $mem_moving_animation_step
CP $00
JR Z, =.Moving_2x.end
SLA A
AND $0f
PUSH BC
LD B, A
LD A, $mem_moving_animation_step
CPL
INC A
ADD B
POP BC
.ADD_A_TO_DIRECTION_BC
LD A, $mem_moving_animation_step
SUB $08
.ABS
SUB $04
.ABS
CPL
INC A
ADD $04
CPL
INC A
ADD C
LD C, A
.Moving_2x.end:
.Moving_Hops:
BIT 3, D
JR Z, =.Moving_Hops.end
LD A, L
AND $f0
OR $0a
LD L, A
LD A, (HL)
LD A, $00
CP (HL)
JR NZ, =.Moving_Hops.end
LD A, $mem_moving_animation_step
SUB $08
.ABS
SUB $04
.ABS
CPL
INC A
ADD $04
CPL
INC A
ADD C
LD C, A
.Moving_Hops.end:
LD A, D
SWAP A
AND $07
CP $enum_direction_left
JR Z, =.Left_Direction_sprite
CP $enum_direction_right
JR Z, =.Right_Direction_sprite
CP $enum_direction_up
JR Z, =.Up_Direction_sprite
JP =.Down_Direction_sprite
.Left_Direction_sprite:
CALL =Flags_From_Animation ; Uses and changes HL
LD D, A
JP =.Write_OBJ
.Right_Direction_sprite:
LD A, $02
ADD E
LD E, A
CALL =Flags_From_Animation ; Uses and changes HL
OR $20
LD D, A
JP =.Write_OBJ
.Up_Direction_sprite:
LD A, $04
ADD E
LD E, A
CALL =Flags_From_Animation ; Uses and changes HL
LD D, A
JP =.Write_OBJ
.Down_Direction_sprite:
LD A, $08
ADD E
LD E, A
CALL =Flags_From_Animation ; Uses and changes HL
LD D, A
JP =.Write_OBJ
.Write_OBJ:
PUSH HL
; First OBJ (left)
LD HL, $mem_oam_buffer
LD A, $mem_oam_buffer_low
LD L, A
LD A, C
LD (HL+), A
LD A, B
LD (HL+), A
LD A, E
INC A
LD (HL+), A
LD A, D
LD (HL+), A
; Second OBJ
LD A, B
ADD $08
LD B, A
LD A, C
LD (HL+), A
LD A, B
LD (HL+), A
LD A, E
XOR $02
INC A
LD (HL+), A
LD A, D
LD (HL+), A
LD A, L
LD $mem_oam_buffer_low, A
POP HL
.skip:
LD A, L
AND $f0
ADD $10
LD L, A
RET
Flags_From_Animation: ; Expect entity in HL (offset doesn't matter) + breaks D (but result in A)
LD A, L
AND $f0
OR $0a
LD L, A
LD A, $02
CP (HL)
LD D, $00
JR NZ, =Flags_From_Animation.Shadow_Palette
LD D, $40
Flags_From_Animation.Shadow_Palette:
LD A, L
AND $f0
OR $07
LD L, A
BIT 1, (HL)
LD A, D
RET Z
OR $10
RET
|
