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path: root/dialogues/functions.gbasm
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Dialogue_script_step:
	.ASSERT bank(.) $00

	LD A, $mem_dialogue_script_bank
	.CHANGE_BANK_TO_A
	LD A, ($mem_dialogue_script_program_counter)
	LD H, A
	LD A, ($mem_dialogue_script_program_counter+1)
	LD L, A

	.next:
	LD A, (HL+)

	LD BC, =Dialogue_script_instruction_Jump_Table

	.JUMP_TABLE

	LD A, H
	LD ($mem_dialogue_script_program_counter), A
	LD A, L
	LD ($mem_dialogue_script_program_counter+1), A

	RET

Dialogue_script_instruction_Jump_Table:
	; 00
	JP =Exit_Menu
	NOP

	; 01
	JP =.Text
	NOP

	; 02
	JP =.TextB
	NOP

	; 03
	JP =.Learn_Attack
	NOP

	; 04
	JP =.TextB_Indirect
	NOP

	; 05
	JP =.Learn_Attack_Return
	NOP

	.Text:
		PUSH HL
		LD HL, $dialogue_first_line
		LD BC, $12
		CALL =bzero
		POP HL

		LD A, (HL+)
		LD B, A
		LD A, (HL+)
		LD C, A
		PUSH HL
		LD HL, $dialogue_first_line
		CALL =Print_str
		POP HL

		PUSH HL
		LD HL, $dialogue_third_line
		LD BC, $12
		CALL =bzero
		POP HL

		LD A, (HL+)
		LD B, A
		LD A, (HL+)
		LD C, A
		PUSH HL
		LD HL, $dialogue_third_line
		CALL =Print_str
		POP HL

		LD A, $mem_display_flag
		AND $c0 ; Keeping the object ones
		OR $05
		LD $mem_display_flag, A

		RET

	.TextB:
		PUSH HL
		LD HL, $dialogue_first_line
		LD BC, $12
		CALL =bzero
		POP HL

		LD A, (HL+)
		LD B, A
		LD A, (HL+)
		LD C, A
		PUSH HL
		LD HL, $dialogue_first_line
		CALL =Print_str
		POP HL

		PUSH HL
		LD HL, $dialogue_third_line
		LD BC, $12
		CALL =bzero
		POP HL

		LD A, (HL+)
		LD B, A
		LD A, (HL+)
		LD C, A
		PUSH HL
		LD HL, $dialogue_third_line
		CALL =Print_str
		POP HL

		LD A, $mem_display_flag
		AND $c0 ; Keeping the object ones
		OR $07
		LD $mem_display_flag, A

		RET

	.TextB_Indirect:
		PUSH HL
		LD HL, $dialogue_first_line
		LD BC, $12
		CALL =bzero
		POP HL

		LD A, (HL+)
		LD B, A
		LD A, (HL+)
		LD C, A

		LD A, $saved_rom_bank
		LD $tmp_var_1, A

		LD A, (BC)
		.CHANGE_BANK_TO_A
		INC BC

		PUSH DE
		LD A, (BC)
		LD D, A
		INC BC
		LD A, (BC)
		LD E, A
		LD B, D
		LD C, E
		POP DE

		PUSH HL
		LD HL, $dialogue_first_line
		CALL =Print_str
		POP HL

		LD A, $tmp_var_1
		.CHANGE_BANK_TO_A

		PUSH HL
		LD HL, $dialogue_third_line
		LD BC, $12
		CALL =bzero
		POP HL

		LD A, (HL+)
		LD B, A
		LD A, (HL+)
		LD C, A
		PUSH HL
		LD HL, $dialogue_third_line
		CALL =Print_str
		POP HL

		LD A, $mem_display_flag
		AND $c0 ; Keeping the object ones
		OR $07
		LD $mem_display_flag, A

		RET

	.Learn_Attack:
		LD A, (HL+)
		LD E, A

		LD B, $00
		LD C, A
		SLA C
		RR B
		SLA C
		RR B
		SLA C
		RR B
		LD A, C
		ADD low(=Attack_List)
		LD C, A
		LD A, B
		ADC high(=Attack_List)
		LD B, A

		; TODO: FIX BANK SHENANIGANS

		LD A, (BC)
		LD ($mem_learn_attack_attack_name_ptr), A
		INC BC
		LD A, (BC)
		LD ($mem_learn_attack_attack_name_ptr+1), A
		INC BC
		LD A, (BC)
		LD ($mem_learn_attack_attack_name_ptr+2), A

		LD A, $mem_dialogue_script_bank
		LD ($mem_learn_attack_dialogue_ret_ptr), A
		LD A, H
		LD ($mem_learn_attack_dialogue_ret_ptr+1), A
		LD A, L
		LD ($mem_learn_attack_dialogue_ret_ptr+2), A

		CALL =Check_attack_already_learnt
		CP $01
		JR Z, =.Learn_Attack.Duplicate

		LD A, $mem_number_of_attacks
		CP $04
		JR NC, =.Learn_Attack.Not_enough_slot

		.Learn_Attack.Success:
			LD A, $mem_number_of_attacks
			LD HL, $mem_bunny_attacks
			ADD L
			LD L, A
			LD (HL), E
			LD A, $mem_number_of_attacks
			INC A
			LD $mem_number_of_attacks, A

			LD HL, ptr(=Learn_Attack_Dialogue_Script)
			.LOAD_BANK_OF =Learn_Attack_Dialogue_Script
			JP =Dialogue_script_step.next

		.Learn_Attack.Not_enough_slot:
			LD HL, ptr(=Learn_Attack_Not_Enough_Slot_Dialogue_Script)
			.LOAD_BANK_OF =Learn_Attack_Not_Enough_Slot_Dialogue_Script
			JP =Dialogue_script_step.next

		.Learn_Attack.Duplicate:
			LD HL, ptr(=Learn_Attack_Duplicate_Dialogue_Script)
			.LOAD_BANK_OF =Learn_Attack_Duplicate_Dialogue_Script
			JP =Dialogue_script_step.next

	.Learn_Attack_Return:
		LD A, ($mem_learn_attack_dialogue_ret_ptr)
		.CHANGE_BANK_TO_A
		LD A, ($mem_learn_attack_dialogue_ret_ptr+1)
		LD H, A
		LD A, ($mem_learn_attack_dialogue_ret_ptr+2)
		LD L, A
		JP =Dialogue_script_step.next