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neat-donk/donkutil.lua

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util = require "util"
FG_COLOR = 0x00ffffff
BG_COLOR = 0x99000000
TILEDATA_POINTER = 0x7e0098
TILE_SIZE = 32
TILE_RADIUS = 4
SPRITE_BASE = 0x7e0de2
SOLID_LESS_THAN = 0x7e00a0
DIDDY_X_VELOCITY = 0x7e0e02
DIDDY_Y_VELOCITY = 0x7e0e06
DIXIE_X_VELOCITY = 0x7e0e60
DIXIE_Y_VELOCITY = 0x7e0e64
CAMERA_X = 0x7e17ba
CAMERA_Y = 0x7e17c0
CAMERA_MODE = 0x7e054f
TILE_COLLISION_MATH_POINTER = 0x7e17b2
VERTICAL_POINTER = 0xc414
PARTY_X = 0x7e0a2a
PARTY_Y = 0x7e0a2c
count = 0
detailsidx = -1
jumping = false
helddown = false
floatmode = false
rulers = true
pokemon = false
pokecount = 0
showhelp = false
locked = false
lockdata = nil
incsprite = 0
party_tile_offset = 0
party_y_ground = 0
last_called = 0
function set_party_tile_offset (val)
if party_tile_offset_debounce == val then
return
end
local sec, usec = utime()
last_called = sec * 1000000 + usec
party_tile_offset_debounce = val
end
function text(x, y, msg)
gui.text(x, y, msg, FG_COLOR, BG_COLOR)
end
function on_keyhook (key, state)
if not helddown and state.value == 1 then
if key == "1" and not locked then
helddown = true
detailsidx = detailsidx - 1
if detailsidx < -1 then
detailsidx = 22
end
elseif key == "2" and not locked then
helddown = true
detailsidx = detailsidx + 1
if detailsidx > 22 then
detailsidx = -1
end
elseif key == "3" then
helddown = true
incsprite = -1
elseif key == "4" then
helddown = true
incsprite = 1
elseif key == "5" then
helddown = true
if not locked then
locked = true
else
locked = false
lockdata = nil
end
elseif key == "6" then
helddown = true
pokemon = not pokemon
elseif key == "7" then
helddown = true
floatmode = not floatmode
elseif key == "8" then
helddown = true
rulers = not rulers
elseif key == "0" then
showhelp = true
end
elseif state.value == 0 then
helddown = false
showhelp = false
end
end
function on_input (subframe)
jumping = input.get(0,0) ~= 0
if floatmode then
memory.writebyte(0x7e19ce, 0x16)
memory.writebyte(0x7e0e12, 0x99)
memory.writebyte(0x7e0e70, 0x99)
if input.get(0, 6) == 1 then
memory.writeword(DIDDY_X_VELOCITY, -0x5ff)
memory.writeword(DIXIE_X_VELOCITY, -0x5ff)
memory.writeword(DIDDY_Y_VELOCITY, 0)
memory.writeword(DIXIE_Y_VELOCITY, 0)
elseif input.get(0, 7) == 1 then
memory.writeword(DIDDY_X_VELOCITY, 0x5ff)
memory.writeword(DIXIE_X_VELOCITY, 0x5ff)
memory.writeword(DIDDY_Y_VELOCITY, 0)
memory.writeword(DIXIE_Y_VELOCITY, 0)
end
if input.get(0, 4) == 1 then
memory.writeword(DIDDY_Y_VELOCITY, -0x05ff)
memory.writeword(DIXIE_Y_VELOCITY, -0x05ff)
elseif input.get(0, 5) == 1 then
memory.writeword(DIDDY_Y_VELOCITY, 0x5ff)
memory.writeword(DIXIE_Y_VELOCITY, 0x5ff)
end
end
end
function get_sprite(base_addr)
return {
base_addr = string.format("%04x", base_addr),
control = memory.readword(base_addr),
draworder = memory.readword(base_addr + 0x02),
x = memory.readword(base_addr + 0x06),
y = memory.readword(base_addr + 0x0a),
jumpheight = memory.readword(base_addr + 0x0e),
style = memory.readword(base_addr + 0x12),
currentframe = memory.readword(base_addr + 0x18),
nextframe = memory.readword(base_addr + 0x1a),
state = memory.readword(base_addr + 0x1e),
velox = memory.readsword(base_addr + 0x20),
veloy = memory.readsword(base_addr + 0x24),
velomaxx = memory.readsword(base_addr + 0x26),
velomaxy = memory.readsword(base_addr + 0x2a),
motion = memory.readword(base_addr + 0x2e),
attr = memory.readword(base_addr + 0x30),
animnum = memory.readword(base_addr + 0x36),
remainingframe = memory.readword(base_addr + 0x38),
animcontrol = memory.readword(base_addr + 0x3a),
animreadpos = memory.readword(base_addr + 0x3c),
animcontrol2 = memory.readword(base_addr + 0x3e),
animformat = memory.readword(base_addr + 0x40),
damage1 = memory.readword(base_addr + 0x44),
damage2 = memory.readword(base_addr + 0x46),
damage3 = memory.readword(base_addr + 0x48),
damage4 = memory.readword(base_addr + 0x4a),
damage5 = memory.readword(base_addr + 0x4c),
damage6 = memory.readword(base_addr + 0x4e),
spriteparam = memory.readword(base_addr + 0x58),
}
end
function sprite_details(idx)
local base_addr = idx * 94 + SPRITE_BASE
local sprite = get_sprite(base_addr)
if sprite.control == 0 then
text(0, 0, "Sprite "..idx.." (Empty)")
incsprite = 0
locked = false
lockdata = nil
return
end
if incsprite ~= 0 then
memory.writeword(base_addr + 0x36, sprite.animnum + incsprite)
lockdata = nil
incsprite = 0
end
if locked and lockdata == nil then
lockdata = memory.readregion(base_addr, 94)
end
if lockdata ~= nil and locked then
memory.writeregion(base_addr, 94, lockdata)
end
text(0, 0, "Sprite "..idx..(locked and " (Locked)" or "")..":\n\n"..util.table_to_string(sprite))
end
function on_paint (not_synth)
count = count + 1
local guiWidth, guiHeight = gui.resolution()
if showhelp then
text(0, 0, [[
Keyboard Help
===============
Sprite Details:
[1] Next sprite slot
[2] Previous sprite slot
[3] Change to next sprite animation
[4] Change to previous sprite animation
[5] Lock current sprite
[6] Enable / Disable Pokemon mode (take screenshots of enemies)
[7] Enable / Disable float mode (fly with up/down)
[8] Enable / Disable stage tile rulers
]])
return
end
local toggles = ""
if pokemon then
toggles = toggles..string.format("Pokemon: %d\n", pokecount)
end
if floatmode then
toggles = toggles.."Float on\n"
end
text(0, guiHeight - 40, toggles)
local directions = {
"Standard",
"Blur",
"Up"
}
local cameraX = memory.readword(CAMERA_X) - 256
local cameraY = memory.readword(CAMERA_Y) - 256
local cameraDir = memory.readbyte(CAMERA_MODE)
local direction = directions[cameraDir+1]
local vertical = memory.readword(TILE_COLLISION_MATH_POINTER) == VERTICAL_POINTER
local stats = string.format([[
%s camera %d,%d
Vertical: %s
Tile offset: %04x
]], direction, cameraX, cameraY, vertical, party_tile_offset)
text(guiWidth - 200, guiHeight - 60, stats)
local partyX = memory.readword(PARTY_X) - 256
local partyY = memory.readword(PARTY_Y) - 256
text((partyX - cameraX) * 2, (partyY - cameraY) * 2 + 20, "Party")
local sprites = {}
for idx = 0,22,1 do
local base_addr = idx * 94 + SPRITE_BASE
local sprite = get_sprite(base_addr)
sprites[idx] = sprite
if sprite.control == 0 then
goto continue
end
local spriteScreenX = (sprite.x - 256 - cameraX) * 2
local spriteScreenY = (sprite.y - 256 - cameraY) * 2
local sprcolor = BG_COLOR
if detailsidx == idx then
sprcolor = 0x00ff0000
end
gui.text(spriteScreenX, spriteScreenY, sprite.control..","..sprite.animnum..","..sprite.attr, FG_COLOR, sprcolor)
local filename = os.getenv("HOME").."/neat-donk/catchem/"..sprite.animnum..","..sprite.attr..".png"
if pokemon and spriteScreenX > (guiWidth / 4) and spriteScreenX < (guiWidth / 4) * 3 and spriteScreenY > (guiHeight / 3) and spriteScreenY < guiHeight and not util.file_exists(filename) then
gui.screenshot(filename)
pokecount = pokecount + 1
end
::continue::
end
if rulers and cameraX >= 0 then
local halfWidth = math.floor(guiWidth / 2)
local halfHeight = math.floor(guiHeight / 2)
local cameraTileX = math.floor(cameraX / TILE_SIZE)
gui.line(0, halfHeight, guiWidth, halfHeight, BG_COLOR)
for i = cameraTileX, cameraTileX + guiWidth / TILE_SIZE / 2,1 do
gui.text((i * TILE_SIZE - cameraX) * 2, halfHeight, tostring(i), FG_COLOR, BG_COLOR)
end
local cameraTileY = math.floor(cameraY / TILE_SIZE)
gui.line(halfWidth, 0, halfWidth, guiHeight, BG_COLOR)
for i = cameraTileY, cameraTileY + guiHeight / TILE_SIZE / 2,1 do
gui.text(halfWidth, (i * TILE_SIZE - cameraY) * 2, tostring(i), FG_COLOR, BG_COLOR)
end
end
local tilePtr = memory.readhword(TILEDATA_POINTER)
local solidLessThan = memory.readword(SOLID_LESS_THAN)
for x = -TILE_RADIUS, TILE_RADIUS, 1 do
for y = -TILE_RADIUS, TILE_RADIUS, 1 do
local offset = 0
if vertical then
offset = party_tile_offset + (y * 24 + x) * 2
else
offset = party_tile_offset + (x * 16 + y) * 2
end
local tile = memory.readword(tilePtr + offset)
if tile == 0 or tile >= solidLessThan then
goto continue
end
local tileX = (math.floor(partyX / TILE_SIZE + x) * TILE_SIZE - cameraX)
local tileY = (math.floor(party_y_ground / TILE_SIZE + y) * TILE_SIZE - cameraY)
gui.text(tileX * 2, tileY * 2, string.format("%04x,%02x", offset & 0xffff, tile), FG_COLOR, 0x66888800)
::continue::
end
end
if detailsidx ~= -1 then
sprite_details(detailsidx)
else
text(0, 20, "[1] <- Sprite Details Off -> [2]")
end
text(guiWidth - 125, 20, "Help [Hold 0]")
end
function tile_retrieval()
local tile = math.floor(memory.getregister("y") / 2) * 2
local newX = memory.readword(0x7e00a6)
local partyX = memory.readword(PARTY_X)
local oldX = partyX & 0x1f
local partyY = memory.readword(PARTY_Y)
if oldX - 5 < newX and newX < oldX + 5 and
not jumping and
memory.readword(0x7e0034) == partyY then
set_party_tile_offset(tile)
party_y_ground = partyY - 256
end
end
function on_timer()
local sec, usec = utime()
local now = sec * 1000000 + usec
if last_called + 100 * 1000 < now then
party_tile_offset = party_tile_offset_debounce
end
set_timer_timeout(100 * 1000)
end
input.keyhook("1", true)
input.keyhook("2", true)
input.keyhook("3", true)
input.keyhook("4", true)
input.keyhook("5", true)
input.keyhook("6", true)
input.keyhook("7", true)
input.keyhook("8", true)
input.keyhook("0", true)
memory2.BUS:registerexec(TILE_RETRIEVAL, tile_retrieval)
set_timer_timeout(100 * 1000)
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