share/scripts/_mog-overlay.tcl at main · doomsdayone/openmsx

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14.0 KiB · Tcl · last changed chore(): initial commit 1 month ago source blame history raw

namespace eval mog_overlay {

variable num_enemies 16
variable num_rocks 8
variable mog_overlay_active false
variable mog_editor_active false
variable item_cache
variable tomb_cache
variable ladder_cache
variable wall_cache
variable demon_cache
variable ep
variable mouse1_pressed

# Demon summon spells
variable spell [list \
	"" "YOMAR" "ELOHIM" "HAHAKLA" "BARECHET" "HEOTYMEO" \
	"LEPHA" "NAWABRA" "ASCHER" "XYWOLEH" "HAMALECH"]
# Demon Max Power
variable demon_power [list -1 -1 24 40 64 112 72 56 64 80 80 248]
# Item names
variable items [list \
	"" "Arrow" "Ceramic Arrow" "Rolling Fire" "Fire" "Mine" \
	"Magnifying Glass" "Holy Water" "Cape" "Magical Rod" "World Map" \
	"Cross" "Great Key" "Necklace" "Crown" "Helm" "Oar" "Boots" "Doll" \
	"Robe" "Bell" "Halo" "Candle" "Armor" "Carpet" "Helmet" "Lamp" "Vase" \
	"Pendant" "Earrings" "Bracelet" "Ring" "Bible" "Harp" "Triangle" \
	"Trumpet Shell" "Pitcher" "Sabre" "Dagger" "Feather" "Bronze Shield" \
	"Bread and Water" "Salt" "Silver Shield" "Gold Shield" \
	"Quiver of Arrows" "Coins" "Keys"]

variable enemy_names [list \
	"" "Gorilla" "Twinkle" "HorBlob" "Gate" "Fire Snake" "06" "Ring Worm" \
	"08" "09" "Knight" "Water Strider" "Sparky" "Fish" "Bat" "Pacman" \
	"Insect" "Hedgehog" "Rockman" "Cloud Demon" "Mudman" "Ill" \
	"Bird Dragon" "Egg Bird" "Worm" "Butterfly" "Snake's Fire" "Fireball" \
	"1C" "1D" "1E" "Goblin" "20" "Crawler" "Pea Shooter" "Trapwall" "Swine" \
	"Bones" "Living Helmet" "Owl" "Ectoplasm" "29" "Poltergeist" "Wizard" \
	"Shoe 1" "Frost Demon" "Bamboo Shoot" "Frog Plant" "Seahorse Demon" \
	"31" "32" "Armor's Dart" "Bally" "35" "36" "Great Butterfly" "VerBlob" \
	"39" "3A" "Moai Head Projectile" "Trickster Ghost" "Star" \
	"Flocking Bird" "3F" "Cyclop's Ghost" "41" "Maner" "Gero" "44" "45" \
	"46" "47" "48" "Huge Bat" "4A" "4B" "Fuzzball" "4D" "4E" "4F" "50" "51" \
	"Middle Bat" "Mini Bat" "Bone" "Small Bone" "Small Fireball" "57" \
	"Crab's Breath" "Seed" "5A" "5B" "Spiral Ball " "5D" "5E" "5F" "Maner's Arm" "61" \
	"Gero's Tongue" "63" "Shoe 2" "Breath" "66" "Protectors"]

set_help_text toggle_mog_overlay \
"Shows OSD widgets that help you play The Maze of Galious. Only useful if you
are actually running this game... If you are not, you may get a lot of weird
stuff on your screen :) The script shows the Great Demon summon spells, ladders
which will disappear, walls which will grow, hitpoints of enemies, hidden
items, etc.\nSee also toggle_mog_editor."

set_help_text toggle_mog_editor \
"Gives you mouse bindings to fool around in The Maze of Galious. Only useful if
you are actually running this game... If you are not, you may get a lot of
weird stuff on your screen :) With this editor, you can draw walls with one
mouse button and put Popolon on your position of choice with the other. Needs
the MoG overlay to work, see toggle_mog_overlay."

#Init Overlays
proc init {} {
	variable num_enemies
	variable num_rocks
	variable label_color
	variable label_text_color
	variable item_cache
	variable tomb_cache
	variable ladder_cache
	variable wall_cache
	variable demon_cache
	variable max_ep

	osd_widgets::msx_init mog

	for {set i 0} {$i < $num_enemies} {incr i} {
		osd_widgets::create_power_bar mog.powerbar$i 14 2 0xff0000ff 0x00000080 0xffffffff
	}

	osd_widgets::create_power_bar mog.item 16 16 0x00000000 0xff770020 0xffffffff
	set item_cache 0

	osd create rectangle mog.tomb -rely 999 -w 16 -h 16 -rgba 0x00000080
	osd create text mog.tomb.text -x 1 -y 1 -size 5 -rgb 0xffffff
	set tomb_cache 0

	osd create rectangle mog.ladder -rely 999 -relw 16 -rgba 0xffffff80
	set ladder_cache 0

	osd create rectangle mog.wall -rely 999 -relw 8 -relh 24 -rgba 0x00ffff80
	set wall_cache 0

	osd create rectangle mog.wall2 -rely 999 -relw 32 -relh 24 -rgba 0x00000080
	osd create text mog.wall2.text -x 1 -y 1 -size 4 -rgb 0xffffff

	for {set i 0} {$i < $num_rocks} {incr i} {
		osd create rectangle mog.rock$i  -rely 999 -w 24 -h 4 -rgba 0x0000ff80
		osd create text mog.rock$i.text -x 0 -y 0 -size 4 -rgb 0xffffff
	}

	osd_widgets::create_power_bar mog.demon 48 4 0x2bdd2bff 0x00000080 0xffffffff
	set demon_cache 0

	# Enemy Power
	for {set i 0} {$i < $num_enemies} {incr i} {set max_ep($i) 0}
}

# Update the overlays
proc update_overlay {} {
	variable mog_overlay_active
	variable num_enemies
	variable num_rocks
	variable label_color
	variable label_text_color
	variable item_cache
	variable tomb_cache
	variable ladder_cache
	variable wall_cache
	variable demon_cache
	variable spell
	variable demon_power
	variable items
	variable enemy_names
	variable max_ep

	if {!$mog_overlay_active} return

	#see if not in demo
	if {[peek 0xe002] != 64} {osd configure mog -y 999} else {osd_widgets::msx_update mog}

	for {set i 0; set addr 0xe800} {$i < $num_enemies} {incr i; incr addr 0x20} {
		set enemy_type [peek $addr]
		set enemy_hp [peek [expr {$addr + 0x10}]]

		# If enemy's power is 0 set max power to 0
		if {$enemy_hp == 0 && $max_ep($i) > 0} {set max_ep($i) 0}

		if {$enemy_type > 0 && $enemy_hp > 0 && $enemy_hp < 200} {
			#Set Max Power Recorded for Enemy
			if {$max_ep($i) < $enemy_hp} {set max_ep($i) $enemy_hp}

			set pos_x [expr { 8 + [peek [expr {$addr + 7}]]}]
			set pos_y [expr {-6 + [peek [expr {$addr + 5}]]}]
			set power [expr {1.00 * $enemy_hp / $max_ep($i)}]
			set text [format "%s (%d): %d/%d" [lindex $enemy_names $enemy_type] $i $enemy_hp $max_ep($i)]
			osd_widgets::update_power_bar mog.powerbar$i $pos_x $pos_y $power $text
		} else {
			osd_widgets::hide_power_bar mog.powerbar$i
		}
	}

	set new_item [peek 0xe740]
	if {$new_item != $item_cache} {
		set item_cache $new_item
		if {$item_cache} {
			set height [expr {($item_cache < 7) ? 8 : 16}]
			osd configure mog.item -relh $height
			osd configure mog.item.text -text [lindex $items $item_cache]
			osd configure mog.item -relx [peek 0xe743] -rely [peek 0xe742]
		} else {
			osd configure mog.item -rely 999
		}
	}

	set new_tomb [peek 0xe678]
	if {$new_tomb != $tomb_cache} {
		set tomb_cache $new_tomb
		if {($tomb_cache > 0) && ($tomb_cache <= 10)} {
			osd configure mog.tomb.text -text "[lindex $spell $tomb_cache]"
			osd configure mog.tomb -relx [peek 0xe67a] -rely [peek 0xe679]
		} else {
			osd configure mog.tomb -rely 999
		}
	}

	#todo: see what the disappear trigger is (up, down, either)
	set new_ladder [expr {[peek 0xec00] | [peek 0xec07]}]
	if {$new_ladder != $ladder_cache} {
		set ladder_cache $new_ladder
		if {$ladder_cache != 0} {
			osd configure mog.ladder -relx [peek 0xec02] -rely [peek 0xec01] \
			                         -relh [expr {8 * ([peek 0xec03] & 31)}]
		} else {
			osd configure mog.ladder -rely 999
		}
	}

	set new_wall [peek 0xeaa0]
	if {$new_wall != $wall_cache} {
		set wall_cache $new_wall
		if {$wall_cache != 0} {
			osd configure mog.wall -relx [peek 0xeaa3] -rely [peek 0xeaa2]
		} else {
			osd configure mog.wall -rely 999
		}
	}

	if {[peek 0xea20] != 0} {
		set text [format "Wall (%02d)" [peek 0xea23]]
		osd configure mog.wall2 -relx [peek 0xea22] -rely [peek 0xea21]
		osd configure mog.wall2.text -text $text
	} else {
		osd configure mog.wall2 -rely 999
	}

	for {set i 0; set addr 0xec30} {$i < $num_rocks} {incr i; incr addr 8} {
		if {[peek $addr] > 0} {
			set pos_x [expr { 8 + [peek [expr {$addr + 3}]]}]
			set pos_y [expr {-6 + [peek [expr {$addr + 2}]]}]
			set rock_hp [peek [expr {$addr + 6}]]
			set text [format "Rock %d (%02d)" $i $rock_hp]
			osd configure mog.rock$i -relx $pos_x -rely $pos_y
			osd configure mog.rock$i.text -text $text
		} else {
			osd configure mog.rock$i -rely 999
		}
	}

	if {([peek 0xe0d2] != 0) && ([peek 0xe710] != 0)} {
		osd configure mog.demon -relx 112 -rely 26
		# let's not print text, it destroys a replay
		# print_mog_text 1 1 "Now Fighting [lindex $spell [expr {[peek 0xe041] - 1}]]"
		set new_demon [peek 0xe710]
		if {$new_demon != $demon_cache} {
			set demon_cache $new_demon
			set demon_max [lindex $demon_power [peek 0xe041]]
			if {$demon_max > 0} {
				set power [expr {$demon_cache * ([peek 0xe076] + 1.0) / $demon_max}]
				osd configure mog.demon.bar -relw $power
			}
		}
	} else {
		osd configure mog.demon -rely 999
	}

	after frame [namespace code update_overlay]
}

# better don't use this if you want to keep your replay OK
proc print_mog_text {x y text} {
	set text [string tolower $text]
	for {set i 0} {$i < [string length $text]} {incr i} {
		scan [string range $text $i $i] "%c" ascii
		incr ascii -86
		if {$ascii >= -38 && $ascii <= -29} {incr ascii 39}
		if {$ascii < 0} {set ascii 0}
		poke [expr {0xed80 + $x + $y * 32 + $i}] $ascii
	}
}

proc toggle_mog_overlay {} {
	variable mog_overlay_active
	variable mog_editor_active

	set mog_overlay_active [expr {!$mog_overlay_active}]

	if {$mog_overlay_active} {
		init
		update_overlay
		message "MoG overlay activated" info
		return "MoG overlay activated!"
	} else {
		set retval ""
		if {$mog_editor_active} {
			set retval "[toggle_mog_editor]\n"
		}
		osd destroy mog
		message "MoG overlay deactivated" info
		return "${retval}MoG overlay deactivated."
	}
}

# MoG editor
# Separated from MoG overlay, because the overlay is useful for TASing and the
# editor will ruin your replay

proc draw_block {} {
	osd_widgets::msx_update "mog"
	lassign [osd info "mog" -mousecoord] x y
	poke [expr {0xed80 + int($x / 8) + int(($y - 32) / 8) * 32}] 240
	if {$mog_overlay::mouse1_pressed} {after frame mog_overlay::draw_block}
}

proc put_popolon {} {
	osd_widgets::msx_update "mog"
	lassign [osd info "mog" -mousecoord] x y
	poke 0xe507 [utils::clip 0 255 [expr {int($x)}]]
	poke 0xe505 [utils::clip 0 212 [expr {int($y)}]]
}

proc toggle_mog_editor {} {
	variable mog_editor_active
	variable mog_overlay_active

	if {!$mog_editor_active && !$mog_overlay_active} {
		error "You need to have the MoG overlay active to use this editor!"
	}

	set mog_editor_active [expr {!$mog_editor_active}]

	if {$mog_editor_active} {
		bind -layer mog_editor "mouse button1 down" {
			set mog_overlay::mouse1_pressed true
			mog_overlay::draw_block
		}

		bind -layer mog_editor "mouse button1 up" {
			set mog_overlay::mouse1_pressed false
		}

		bind -layer mog_editor "mouse button3 down" {
			mog_overlay::put_popolon
		}
		activate_input_layer mog_editor
		return "MoG editor activated!"
	} else {
		deactivate_input_layer mog_editor
		return "MoG editor deactivated."
	}
	return ""
}

# ----------------------------------------------------------------------
# password handling
#
# Password starts at column 7, row 9:
#
#   XXXX XXXX XXXX XXXX
#   XXXX XXXX XXXX XXXX
#   XXXX XXXX XXXX X
#
# Pattern encoding:
#   0      = space
#   1..10  = 0..9
#   11..36 = A..Z
# ----------------------------------------------------------------------

set_help_text mog_password \
"Extracts the currently shown password from The Maze of Galious. The password
is displayed in the same groups as on screen and saved without spaces to a
file, so it can be typed back into the game automatically with type_from_file
(with the -release option, otherwise the game won't accept the typing).
With no argument, the password is saved as mog_password.txt. Give a filename
as an argument to save it to a different file."

set_help_text mog_password_show \
"Extracts and displays the currently shown password from The Maze of Galious.
The password is displayed in the same groups as on screen, but is not saved to
a file."

variable mog_name_table 0x3800
variable mog_screen_width 32
variable mog_start_col 7
variable mog_start_row 9

# Column offsets of the password characters on each row.
variable mog_password_offsets {
	{0 1 2 3 5 6 7 8 10 11 12 13 15 16 17 18}
	{0 1 2 3 5 6 7 8 10 11 12 13 15 16 17 18}
	{0 1 2 3 5 6 7 8 10 11 12 13 15}
}


proc _mog_password_char {p} {
	if {$p == 0} {
		return " "
	} elseif {$p <= 10} {
		return [format %c [expr {48 + $p - 1}]]
	} elseif {$p <= 36} {
		return [format %c [expr {65 + $p - 11}]]
	} else {
		return "?"
	}
}


proc mog_get_password {} {
	variable mog_name_table
	variable mog_screen_width
	variable mog_start_col
	variable mog_start_row
	variable mog_password_offsets

	set password ""
	set row 0

	foreach row_offsets $mog_password_offsets {
		foreach offset $row_offsets {
			set col [expr {$mog_start_col + $offset}]
			set address [expr {
				$mog_name_table +
				(($mog_start_row + $row) * $mog_screen_width) +
				$col
			}]

			append password [_mog_password_char [debug read VRAM $address]]
		}

		incr row
	}

	return $password
}


proc _mog_format_password {password} {
	# The raw password consists of:
	#
	#   16 characters
	#   16 characters
	#   13 characters
	#
	# Insert spaces between the visual groups and newlines
	# between the rows.

	set formatted ""
	set pos 0

	foreach length {4 4 4 4 4 4 4 4 4 4 4 1} {
		append formatted [string range $password $pos [expr {$pos + $length - 1}]]
		incr pos $length

		if {$pos < [string length $password]} {
			if {$pos == 16 || $pos == 32} {
				append formatted "\n"
			} else {
				append formatted " "
			}
		}
	}

	return $formatted
}

# ----------------------------------------------------------------------
# mog_password
#
# Extracts the current password, displays it in screen format, and
# saves the raw password to a file.
#
# Usage:
#   mog_password
#   mog_password filename
#
# Default filename: mog_password.txt
#
# The file contains only the password characters, without the spaces
# used to visually separate the groups on screen.
# ----------------------------------------------------------------------

proc mog_password {{filename "mog_password.txt"}} {
	set password [mog_get_password]

	set f [open $filename w]
	puts -nonewline $f $password
	close $f

	puts "MoG password:"
	puts [_mog_format_password $password]
	puts "Saved to: $filename"

	return $password
}


# ----------------------------------------------------------------------
# mog_password_show
#
# Extracts and displays the formatted password without saving it.
# ----------------------------------------------------------------------

proc mog_password_show {} {
	set password [mog_get_password]

	puts "MoG password:"
	puts [_mog_format_password $password]

	return $password
}

namespace export toggle_mog_overlay
namespace export toggle_mog_editor
namespace export mog_password
namespace export mog_password_show

};# namespace mog_overlay

namespace import mog_overlay::*

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1	namespace eval mog_overlay {
2
3	variable num_enemies 16
4	variable num_rocks 8
5	variable mog_overlay_active false
6	variable mog_editor_active false
7	variable item_cache
8	variable tomb_cache
9	variable ladder_cache
10	variable wall_cache
11	variable demon_cache
12	variable ep
13	variable mouse1_pressed
14
15	# Demon summon spells
16	variable spell [list \
17	"" "YOMAR" "ELOHIM" "HAHAKLA" "BARECHET" "HEOTYMEO" \
18	"LEPHA" "NAWABRA" "ASCHER" "XYWOLEH" "HAMALECH"]
19	# Demon Max Power
20	variable demon_power [list -1 -1 24 40 64 112 72 56 64 80 80 248]
21	# Item names
22	variable items [list \
23	"" "Arrow" "Ceramic Arrow" "Rolling Fire" "Fire" "Mine" \
24	"Magnifying Glass" "Holy Water" "Cape" "Magical Rod" "World Map" \
25	"Cross" "Great Key" "Necklace" "Crown" "Helm" "Oar" "Boots" "Doll" \
26	"Robe" "Bell" "Halo" "Candle" "Armor" "Carpet" "Helmet" "Lamp" "Vase" \
27	"Pendant" "Earrings" "Bracelet" "Ring" "Bible" "Harp" "Triangle" \
28	"Trumpet Shell" "Pitcher" "Sabre" "Dagger" "Feather" "Bronze Shield" \
29	"Bread and Water" "Salt" "Silver Shield" "Gold Shield" \
30	"Quiver of Arrows" "Coins" "Keys"]
31
32	variable enemy_names [list \
33	"" "Gorilla" "Twinkle" "HorBlob" "Gate" "Fire Snake" "06" "Ring Worm" \
34	"08" "09" "Knight" "Water Strider" "Sparky" "Fish" "Bat" "Pacman" \
35	"Insect" "Hedgehog" "Rockman" "Cloud Demon" "Mudman" "Ill" \
36	"Bird Dragon" "Egg Bird" "Worm" "Butterfly" "Snake's Fire" "Fireball" \
37	"1C" "1D" "1E" "Goblin" "20" "Crawler" "Pea Shooter" "Trapwall" "Swine" \
38	"Bones" "Living Helmet" "Owl" "Ectoplasm" "29" "Poltergeist" "Wizard" \
39	"Shoe 1" "Frost Demon" "Bamboo Shoot" "Frog Plant" "Seahorse Demon" \
40	"31" "32" "Armor's Dart" "Bally" "35" "36" "Great Butterfly" "VerBlob" \
41	"39" "3A" "Moai Head Projectile" "Trickster Ghost" "Star" \
42	"Flocking Bird" "3F" "Cyclop's Ghost" "41" "Maner" "Gero" "44" "45" \
43	"46" "47" "48" "Huge Bat" "4A" "4B" "Fuzzball" "4D" "4E" "4F" "50" "51" \
44	"Middle Bat" "Mini Bat" "Bone" "Small Bone" "Small Fireball" "57" \
45	"Crab's Breath" "Seed" "5A" "5B" "Spiral Ball " "5D" "5E" "5F" "Maner's Arm" "61" \
46	"Gero's Tongue" "63" "Shoe 2" "Breath" "66" "Protectors"]
47
48	set_help_text toggle_mog_overlay \
49	"Shows OSD widgets that help you play The Maze of Galious. Only useful if you
50	are actually running this game... If you are not, you may get a lot of weird
51	stuff on your screen :) The script shows the Great Demon summon spells, ladders
52	which will disappear, walls which will grow, hitpoints of enemies, hidden
53	items, etc.\nSee also toggle_mog_editor."
54
55	set_help_text toggle_mog_editor \
56	"Gives you mouse bindings to fool around in The Maze of Galious. Only useful if
57	you are actually running this game... If you are not, you may get a lot of
58	weird stuff on your screen :) With this editor, you can draw walls with one
59	mouse button and put Popolon on your position of choice with the other. Needs
60	the MoG overlay to work, see toggle_mog_overlay."
61
62	#Init Overlays
63	proc init {} {
64	variable num_enemies
65	variable num_rocks
66	variable label_color
67	variable label_text_color
68	variable item_cache
69	variable tomb_cache
70	variable ladder_cache
71	variable wall_cache
72	variable demon_cache
73	variable max_ep
74
75	osd_widgets::msx_init mog
76
77	for {set i 0} {$i < $num_enemies} {incr i} {
78	osd_widgets::create_power_bar mog.powerbar$i 14 2 0xff0000ff 0x00000080 0xffffffff
79	}
80
81	osd_widgets::create_power_bar mog.item 16 16 0x00000000 0xff770020 0xffffffff
82	set item_cache 0
83
84	osd create rectangle mog.tomb -rely 999 -w 16 -h 16 -rgba 0x00000080
85	osd create text mog.tomb.text -x 1 -y 1 -size 5 -rgb 0xffffff
86	set tomb_cache 0
87
88	osd create rectangle mog.ladder -rely 999 -relw 16 -rgba 0xffffff80
89	set ladder_cache 0
90
91	osd create rectangle mog.wall -rely 999 -relw 8 -relh 24 -rgba 0x00ffff80
92	set wall_cache 0
93
94	osd create rectangle mog.wall2 -rely 999 -relw 32 -relh 24 -rgba 0x00000080
95	osd create text mog.wall2.text -x 1 -y 1 -size 4 -rgb 0xffffff
96
97	for {set i 0} {$i < $num_rocks} {incr i} {
98	osd create rectangle mog.rock$i -rely 999 -w 24 -h 4 -rgba 0x0000ff80
99	osd create text mog.rock$i.text -x 0 -y 0 -size 4 -rgb 0xffffff
100	}
101
102	osd_widgets::create_power_bar mog.demon 48 4 0x2bdd2bff 0x00000080 0xffffffff
103	set demon_cache 0
104
105	# Enemy Power
106	for {set i 0} {$i < $num_enemies} {incr i} {set max_ep($i) 0}
107	}
108
109	# Update the overlays
110	proc update_overlay {} {
111	variable mog_overlay_active
112	variable num_enemies
113	variable num_rocks
114	variable label_color
115	variable label_text_color
116	variable item_cache
117	variable tomb_cache
118	variable ladder_cache
119	variable wall_cache
120	variable demon_cache
121	variable spell
122	variable demon_power
123	variable items
124	variable enemy_names
125	variable max_ep
126
127	if {!$mog_overlay_active} return
128
129	#see if not in demo
130	if {[peek 0xe002] != 64} {osd configure mog -y 999} else {osd_widgets::msx_update mog}
131
132	for {set i 0; set addr 0xe800} {$i < $num_enemies} {incr i; incr addr 0x20} {
133	set enemy_type [peek $addr]
134	set enemy_hp [peek [expr {$addr + 0x10}]]
135
136	# If enemy's power is 0 set max power to 0
137	if {$enemy_hp == 0 && $max_ep($i) > 0} {set max_ep($i) 0}
138
139	if {$enemy_type > 0 && $enemy_hp > 0 && $enemy_hp < 200} {
140	#Set Max Power Recorded for Enemy
141	if {$max_ep($i) < $enemy_hp} {set max_ep($i) $enemy_hp}
142
143	set pos_x [expr { 8 + [peek [expr {$addr + 7}]]}]
144	set pos_y [expr {-6 + [peek [expr {$addr + 5}]]}]
145	set power [expr {1.00 * $enemy_hp / $max_ep($i)}]
146	set text [format "%s (%d): %d/%d" [lindex $enemy_names $enemy_type] $i $enemy_hp $max_ep($i)]
147	osd_widgets::update_power_bar mog.powerbar$i $pos_x $pos_y $power $text
148	} else {
149	osd_widgets::hide_power_bar mog.powerbar$i
150	}
151	}
152
153	set new_item [peek 0xe740]
154	if {$new_item != $item_cache} {
155	set item_cache $new_item
156	if {$item_cache} {
157	set height [expr {($item_cache < 7) ? 8 : 16}]
158	osd configure mog.item -relh $height
159	osd configure mog.item.text -text [lindex $items $item_cache]
160	osd configure mog.item -relx [peek 0xe743] -rely [peek 0xe742]
161	} else {
162	osd configure mog.item -rely 999
163	}
164	}
165
166	set new_tomb [peek 0xe678]
167	if {$new_tomb != $tomb_cache} {
168	set tomb_cache $new_tomb
169	if {($tomb_cache > 0) && ($tomb_cache <= 10)} {
170	osd configure mog.tomb.text -text "[lindex $spell $tomb_cache]"
171	osd configure mog.tomb -relx [peek 0xe67a] -rely [peek 0xe679]
172	} else {
173	osd configure mog.tomb -rely 999
174	}
175	}
176
177	#todo: see what the disappear trigger is (up, down, either)
178	set new_ladder [expr {[peek 0xec00] \| [peek 0xec07]}]
179	if {$new_ladder != $ladder_cache} {
180	set ladder_cache $new_ladder
181	if {$ladder_cache != 0} {
182	osd configure mog.ladder -relx [peek 0xec02] -rely [peek 0xec01] \
183	-relh [expr {8 * ([peek 0xec03] & 31)}]
184	} else {
185	osd configure mog.ladder -rely 999
186	}
187	}
188
189	set new_wall [peek 0xeaa0]
190	if {$new_wall != $wall_cache} {
191	set wall_cache $new_wall
192	if {$wall_cache != 0} {
193	osd configure mog.wall -relx [peek 0xeaa3] -rely [peek 0xeaa2]
194	} else {
195	osd configure mog.wall -rely 999
196	}
197	}
198
199	if {[peek 0xea20] != 0} {
200	set text [format "Wall (%02d)" [peek 0xea23]]
201	osd configure mog.wall2 -relx [peek 0xea22] -rely [peek 0xea21]
202	osd configure mog.wall2.text -text $text
203	} else {
204	osd configure mog.wall2 -rely 999
205	}
206
207	for {set i 0; set addr 0xec30} {$i < $num_rocks} {incr i; incr addr 8} {
208	if {[peek $addr] > 0} {
209	set pos_x [expr { 8 + [peek [expr {$addr + 3}]]}]
210	set pos_y [expr {-6 + [peek [expr {$addr + 2}]]}]
211	set rock_hp [peek [expr {$addr + 6}]]
212	set text [format "Rock %d (%02d)" $i $rock_hp]
213	osd configure mog.rock$i -relx $pos_x -rely $pos_y
214	osd configure mog.rock$i.text -text $text
215	} else {
216	osd configure mog.rock$i -rely 999
217	}
218	}
219
220	if {([peek 0xe0d2] != 0) && ([peek 0xe710] != 0)} {
221	osd configure mog.demon -relx 112 -rely 26
222	# let's not print text, it destroys a replay
223	# print_mog_text 1 1 "Now Fighting [lindex $spell [expr {[peek 0xe041] - 1}]]"
224	set new_demon [peek 0xe710]
225	if {$new_demon != $demon_cache} {
226	set demon_cache $new_demon
227	set demon_max [lindex $demon_power [peek 0xe041]]
228	if {$demon_max > 0} {
229	set power [expr {$demon_cache * ([peek 0xe076] + 1.0) / $demon_max}]
230	osd configure mog.demon.bar -relw $power
231	}
232	}
233	} else {
234	osd configure mog.demon -rely 999
235	}
236
237	after frame [namespace code update_overlay]
238	}
239
240	# better don't use this if you want to keep your replay OK
241	proc print_mog_text {x y text} {
242	set text [string tolower $text]
243	for {set i 0} {$i < [string length $text]} {incr i} {
244	scan [string range $text $i $i] "%c" ascii
245	incr ascii -86
246	if {$ascii >= -38 && $ascii <= -29} {incr ascii 39}
247	if {$ascii < 0} {set ascii 0}
248	poke [expr {0xed80 + $x + $y * 32 + $i}] $ascii
249	}
250	}
251
252	proc toggle_mog_overlay {} {
253	variable mog_overlay_active
254	variable mog_editor_active
255
256	set mog_overlay_active [expr {!$mog_overlay_active}]
257
258	if {$mog_overlay_active} {
259	init
260	update_overlay
261	message "MoG overlay activated" info
262	return "MoG overlay activated!"
263	} else {
264	set retval ""
265	if {$mog_editor_active} {
266	set retval "[toggle_mog_editor]\n"
267	}
268	osd destroy mog
269	message "MoG overlay deactivated" info
270	return "${retval}MoG overlay deactivated."
271	}
272	}
273
274	# MoG editor
275	# Separated from MoG overlay, because the overlay is useful for TASing and the
276	# editor will ruin your replay
277
278	proc draw_block {} {
279	osd_widgets::msx_update "mog"
280	lassign [osd info "mog" -mousecoord] x y
281	poke [expr {0xed80 + int($x / 8) + int(($y - 32) / 8) * 32}] 240
282	if {$mog_overlay::mouse1_pressed} {after frame mog_overlay::draw_block}
283	}
284
285	proc put_popolon {} {
286	osd_widgets::msx_update "mog"
287	lassign [osd info "mog" -mousecoord] x y
288	poke 0xe507 [utils::clip 0 255 [expr {int($x)}]]
289	poke 0xe505 [utils::clip 0 212 [expr {int($y)}]]
290	}
291
292	proc toggle_mog_editor {} {
293	variable mog_editor_active
294	variable mog_overlay_active
295
296	if {!$mog_editor_active && !$mog_overlay_active} {
297	error "You need to have the MoG overlay active to use this editor!"
298	}
299
300	set mog_editor_active [expr {!$mog_editor_active}]
301
302	if {$mog_editor_active} {
303	bind -layer mog_editor "mouse button1 down" {
304	set mog_overlay::mouse1_pressed true
305	mog_overlay::draw_block
306	}
307
308	bind -layer mog_editor "mouse button1 up" {
309	set mog_overlay::mouse1_pressed false
310	}
311
312	bind -layer mog_editor "mouse button3 down" {
313	mog_overlay::put_popolon
314	}
315	activate_input_layer mog_editor
316	return "MoG editor activated!"
317	} else {
318	deactivate_input_layer mog_editor
319	return "MoG editor deactivated."
320	}
321	return ""
322	}
323
324	# ----------------------------------------------------------------------
325	# password handling
326	#
327	# Password starts at column 7, row 9:
328	#
329	# XXXX XXXX XXXX XXXX
330	# XXXX XXXX XXXX XXXX
331	# XXXX XXXX XXXX X
332	#
333	# Pattern encoding:
334	# 0 = space
335	# 1..10 = 0..9
336	# 11..36 = A..Z
337	# ----------------------------------------------------------------------
338
339	set_help_text mog_password \
340	"Extracts the currently shown password from The Maze of Galious. The password
341	is displayed in the same groups as on screen and saved without spaces to a
342	file, so it can be typed back into the game automatically with type_from_file
343	(with the -release option, otherwise the game won't accept the typing).
344	With no argument, the password is saved as mog_password.txt. Give a filename
345	as an argument to save it to a different file."
346
347	set_help_text mog_password_show \
348	"Extracts and displays the currently shown password from The Maze of Galious.
349	The password is displayed in the same groups as on screen, but is not saved to
350	a file."
351
352	variable mog_name_table 0x3800
353	variable mog_screen_width 32
354	variable mog_start_col 7
355	variable mog_start_row 9
356
357	# Column offsets of the password characters on each row.
358	variable mog_password_offsets {
359	{0 1 2 3 5 6 7 8 10 11 12 13 15 16 17 18}
360	{0 1 2 3 5 6 7 8 10 11 12 13 15 16 17 18}
361	{0 1 2 3 5 6 7 8 10 11 12 13 15}
362	}
363
364
365	proc _mog_password_char {p} {
366	if {$p == 0} {
367	return " "
368	} elseif {$p <= 10} {
369	return [format %c [expr {48 + $p - 1}]]
370	} elseif {$p <= 36} {
371	return [format %c [expr {65 + $p - 11}]]
372	} else {
373	return "?"
374	}
375	}
376
377
378	proc mog_get_password {} {
379	variable mog_name_table
380	variable mog_screen_width
381	variable mog_start_col
382	variable mog_start_row
383	variable mog_password_offsets
384
385	set password ""
386	set row 0
387
388	foreach row_offsets $mog_password_offsets {
389	foreach offset $row_offsets {
390	set col [expr {$mog_start_col + $offset}]
391	set address [expr {
392	$mog_name_table +
393	(($mog_start_row + $row) * $mog_screen_width) +
394	$col
395	}]
396
397	append password [_mog_password_char [debug read VRAM $address]]
398	}
399
400	incr row
401	}
402
403	return $password
404	}
405
406
407	proc _mog_format_password {password} {
408	# The raw password consists of:
409	#
410	# 16 characters
411	# 16 characters
412	# 13 characters
413	#
414	# Insert spaces between the visual groups and newlines
415	# between the rows.
416
417	set formatted ""
418	set pos 0
419
420	foreach length {4 4 4 4 4 4 4 4 4 4 4 1} {
421	append formatted [string range $password $pos [expr {$pos + $length - 1}]]
422	incr pos $length
423
424	if {$pos < [string length $password]} {
425	if {$pos == 16 \|\| $pos == 32} {
426	append formatted "\n"
427	} else {
428	append formatted " "
429	}
430	}
431	}
432
433	return $formatted
434	}
435
436	# ----------------------------------------------------------------------
437	# mog_password
438	#
439	# Extracts the current password, displays it in screen format, and
440	# saves the raw password to a file.
441	#
442	# Usage:
443	# mog_password
444	# mog_password filename
445	#
446	# Default filename: mog_password.txt
447	#
448	# The file contains only the password characters, without the spaces
449	# used to visually separate the groups on screen.
450	# ----------------------------------------------------------------------
451
452	proc mog_password {{filename "mog_password.txt"}} {
453	set password [mog_get_password]
454
455	set f [open $filename w]
456	puts -nonewline $f $password
457	close $f
458
459	puts "MoG password:"
460	puts [_mog_format_password $password]
461	puts "Saved to: $filename"
462
463	return $password
464	}
465
466
467	# ----------------------------------------------------------------------
468	# mog_password_show
469	#
470	# Extracts and displays the formatted password without saving it.
471	# ----------------------------------------------------------------------
472
473	proc mog_password_show {} {
474	set password [mog_get_password]
475
476	puts "MoG password:"
477	puts [_mog_format_password $password]
478
479	return $password
480	}
481
482	namespace export toggle_mog_overlay
483	namespace export toggle_mog_editor
484	namespace export mog_password
485	namespace export mog_password_show
486
487	};# namespace mog_overlay
488
489	namespace import mog_overlay::*

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