From 5450e1d92e3582edd3c39d0056f97fe38acdb7dd Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@deater.net>
Date: Thu, 8 Aug 2019 00:38:55 -0400
Subject: [PATCH] ootw: c4: work on doors

---
 ootw/Makefile  |   1 +
 ootw/door.s    | 145 ++++++++++++++++++++++++++++++++++++++++++++++---
 ootw/ootw_c4.s |   2 +
 3 files changed, 141 insertions(+), 7 deletions(-)

diff --git a/ootw/Makefile b/ootw/Makefile
index ba487ab5..86872ec1 100644
--- a/ootw/Makefile
+++ b/ootw/Makefile
@@ -94,6 +94,7 @@ ootw_c4.o:	ootw_c4.s \
 	gr_copy.s gr_copy_offset.s gr_fast_clear.s gr_pageflip.s gr_unrle.s \
 	gr_putsprite.s gr_putsprite_flipped.s gr_putsprite_crop.s \
 	keyboard.s gr_run_sequence.s physicist.s ootw_c4_city.s \
+	door.s \
 	ootw_graphics/sprites/physicist.inc \
 	ootw_graphics/l4city/ootw_c4_city.inc
 	ca65 -o ootw_c4.o ootw_c4.s -l ootw_c4.lst
diff --git a/ootw/door.s b/ootw/door.s
index 378ee013..d219e078 100644
--- a/ootw/door.s
+++ b/ootw/door.s
@@ -1,9 +1,140 @@
 
+DOOR_STATUS	= 0
+	DOOR_STATUS_OPEN	= $01
+	DOOR_STATUS_OPENING	= $02
+	DOOR_STATUS_CLOSING	= $04
+	DOOR_STATUS_CLOSED	= $08
+	DOOR_STATUS_EXPLODED	= $10
+	DOOR_STATUS_LOCKED	= $20
+	DOOR_STATUS_EXPLODING	= $40
+DOOR_EXPLODE_DIR	= 1
+DOOR_LEFT_TRIGGER	= 2
+DOOR_RIGHT_TRIGGER	= 3
+DOOR_STEP		= 4
+DOOR_XPOS		= 5
+DOOR_YPOS		= 6
+
 door_state:
-	exploded
-	opened
-	opening
-	closing
-	explode_direction
-	left_trigger
-	right_trigger
+
+door_state0:
+	.byte $0	; status
+	.byte $0	; explode_dir
+	.byte $0	; left_trigger
+	.byte $0	; right_trigger
+	.byte $0	; step
+
+
+draw_doors:
+
+	lda	door_state+DOOR_STATUS
+	and	#(DOOR_STATUS_OPEN | DOOR_STATUS_EXPLODED)
+	bne	done_draw_doors
+
+	lda	door_state+DOOR_STATUS
+	cmp	#DOOR_STATUS_CLOSED
+	bne	door_not_closed
+
+door_closed:
+	lda	#<door_closed_sprite
+	sta	INL
+	lda	#>door_closed_sprite
+	sta	INH
+	jmp	actually_draw_door
+
+
+door_not_closed:
+
+
+actually_draw_door:
+	lda	door_state+DOOR_XPOS
+	sta	XPOS
+	lda	door_state+DOOR_YPOS
+	sta	YPOS
+
+	jsr	put_sprite
+
+done_draw_doors:
+
+	rts
+
+
+	;==========================
+	; handle doors
+
+handle_doors:
+
+	; if closed xpos in range and phys ypos match -> opening
+	; if open, xpos out of range, -> closing
+
+	; if opening, update
+
+	; if closing, update
+
+	; if exploding, update
+
+
+
+	rts
+
+
+
+
+;======================================
+;======================================
+; door sprites
+;======================================
+;======================================
+
+door_closed_sprite:
+	.byte 1,10
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $00
+
+door_open_sprite:
+	.byte 1,10
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+
+door_opening_sprite:
+door_closing_sprite1:
+	.byte 1,10
+	.byte $00
+	.byte $A0
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $0A
+	.byte $00
+
+door_closing_sprite2:
+	.byte 1,10
+	.byte $00
+	.byte $00
+	.byte $00
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $AA
+	.byte $00
+	.byte $00
+	.byte $00
+
diff --git a/ootw/ootw_c4.s b/ootw/ootw_c4.s
index a91aa7fa..f653bf25 100644
--- a/ootw/ootw_c4.s
+++ b/ootw/ootw_c4.s
@@ -100,6 +100,8 @@ end_message:
 .include "physicist.s"
 .include "alien.s"
 
+.include "door.s"
+
 ; room backgrounds
 .include "ootw_graphics/l4city/ootw_c4_city.inc"
 ; sprites