voxelcoreprojects/voxelcore
1
0
Fork 0
mirror of https://github.com/MihailRis/voxelcore.git synced 2026-10-14 15:31:49 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

add anmation.load_vca

Browse source
This commit is contained in:
MihailRis 2026-07-24 00:07:27 +03:00
parent ff0d7d094f
commit 4621599545
1 changed files with 26 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

46
res/modules/animation.lua
View file

@ -3,14 +3,12 @@ local this = {}
local CH_TRANSLATE = 1 local CH_TRANSLATE = 1
local CH_ROTATE = 2 local CH_ROTATE = 2
local AX_X = 1
local AX_Y = 2
local AX_Z = 3
local INT_CONST = 1 local INT_CONST = 1
local INT_LINEAR = 2 local INT_LINEAR = 2
local INT_BEZIER = 3 local INT_BEZIER = 3
local TRACE_CODEGEN = false
local function bezier(a, b, c, d, u) local function bezier(a, b, c, d, u)
local s = 1 - u local s = 1 - u
return s * s * s * a + return s * s * s * a +
@ -32,20 +30,9 @@ local function bezier_interpolation(k0, k1, t)
local u = t local u = t
for i=1,8 do for i=1,8 do
local x = bezier( local x = bezier(k0.frame, k0.rx, k1.lx, k1.frame, u)
k0.frame, local dx = bezier_derivative(k0.frame, k0.rx, k1.lx, k1.frame, u)
k0.rx,
k1.lx,
k1.frame,
u
)
local dx = bezier_derivative(
k0.frame,
k0.rx,
k1.lx,
k1.frame,
u
)
if math.abs(dx) < 1e-8 then if math.abs(dx) < 1e-8 then
break break
end end
@ -173,7 +160,7 @@ local curve_to_interp = {
bezier = INT_BEZIER, bezier = INT_BEZIER,
} }
function this.parse_track(root) local function parse_track(root)
local linesets = {} local linesets = {}
for i, node in ipairs(root) do for i, node in ipairs(root) do
if type(node) == "string" then if type(node) == "string" then
@ -221,7 +208,7 @@ function this.parse_track(root)
end end
function this.compile_track(linesets) function this.compile_track(linesets, track_name)
local code = "" local code = ""
local memoised = {} local memoised = {}
local keysets = {} local keysets = {}
@ -242,6 +229,11 @@ function this.compile_track(linesets)
end end
local src = "return function(rig, t, m)\n local dst = DST\n" .. code .. "\nend" local src = "return function(rig, t, m)\n local dst = DST\n" .. code .. "\nend"
if TRACE_CODEGEN then
debug.log("["..string.escape(track_name or "nil").." codegen trace]:\n"..code)
end
local generator, err = load(src, "<expr>", "bt", table.extend({keysets = keysets}, env)) local generator, err = load(src, "<expr>", "bt", table.extend({keysets = keysets}, env))
if not generator then if not generator then
error(err) error(err)
@ -249,4 +241,18 @@ function this.compile_track(linesets)
return generator() return generator()
end end
local cached_tracks = {}
function this.load_vca(filepath)
local track = cached_tracks[filepath]
if track then
return track
end
local source = file.read(filepath)
local raw_track = parse_track(xml.parse_vcd(source, "track"))
track = this.compile_track(raw_track, filepath)
cached_tracks[filepath] = track
return track
end
return this return this