95 lines
2.3 KiB
Lua
95 lines
2.3 KiB
Lua
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-- title: Knucklebones
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-- author: Simon Cambier
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-- desc: A game of risk and reward, from "The Cult of the Lamb"
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-- script: lua
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-- Some sprites from https://piiixl.itch.io/frames-1-bit
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include "utils.utils"
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include "utils.input"
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include "utils.tween"
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include "coroutines"
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include "states.state_manager"
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include "states.state_main_menu"
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include "states.state_game"
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Tween = require_tween()
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--- @type StateManager
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state_manager = StateManager:new()
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local states = {
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main_menu = state_main_menu(),
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game = state_game()
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}
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frames = 0
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function BOOT()
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-- Save original palette
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memcpy(0x14e04, 0x3fc0, 48)
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state_manager:change_state(states.main_menu, { states = states })
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end
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function TIC()
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dt = (time() - pt) / 1000
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pt = time()
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frames = frames + 1
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cls(13)
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Input:update_mouse()
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_coresolve()
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state_manager:update()
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-- mouse position
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-- local mx, my = mouse()
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-- print_border(mx .. "," .. my, mx + 1, my - 5)
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end
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-- function BDR(scn)
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-- local cl = (math.floor(frames / 1.2) % (135 + 40)) - 20
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-- greyGlitch(scn, cl)
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-- end
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function vhsGlitch(scn, cl)
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local height = 10
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local ampl = 10
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local n = clamp(0, normalize(cl, scn - height, scn + height), 1) * 2 * math.pi
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local s = math.cos(n)
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local r = math.random() * (s * ampl - ampl) * s * s
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-- 0x3ff9: screen offset
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poke(0x3ff9, r)
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poke(0x3ffa, r / 2)
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end
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function greyGlitch(scn, cl)
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-- Reset rgb values
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memcpy(0x3fc0, 0x14e04, 48)
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local h = 10
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-- If current scanline is in range
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if (scn >= cl - h and scn <= cl + h) then
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-- Loop through colors in ram
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if (math.random() < 0.8) then
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if (math.random() > 0.01) then
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for i = 0, 16 do
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local c = i * 3
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local grey =
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peek(0x3fc0 + c + 0) * 0.2126 +
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peek(0x3fc0 + c + 1) * 0.7152 +
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peek(0x3fc0 + c + 2) * 0.0722
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-- Alter the color
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poke(0x3fc0 + c + 0, grey)
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poke(0x3fc0 + c + 1, grey)
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poke(0x3fc0 + c + 2, grey)
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end
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else
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-- line(0, scn, SCREEN_WIDTH, scn, RNG.random() * 15)
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end
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end
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end
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end
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