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Extracting more data from njm files.

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This commit is contained in:
Daan Vanden Bosch 2019-06-29 19:09:38 +02:00
parent de3de9256b
commit a36e177eef
1 changed files with 97 additions and 89 deletions
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186
src/bin_data/parsing/ninja/motion.ts
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@ -1,7 +1,7 @@
import Logger from 'js-logger';
import { BufferCursor } from '../../BufferCursor';
import { Vec3 } from '../../../domain';
const logger = Logger.get('bin_data/parsing/ninja/njm2');
const ANGLE_TO_RAD = 2 * Math.PI / 65536;
export type NjAction = {
object_offset: number,
@ -17,7 +17,7 @@ export type NjMotion = {
}
export enum NjInterpolation {
Linear, Spline, UserFunction, SamplingMask
Linear, Spline, UserFunction
}
export type NjMotionData = {
@ -53,7 +53,7 @@ export type NjKeyframe = NjKeyframeF | NjKeyframeA
*/
export type NjKeyframeF = {
frame: number,
value: [number, number, number],
value: Vec3,
}
/**
@ -61,7 +61,7 @@ export type NjKeyframeF = {
*/
export type NjKeyframeA = {
frame: number,
value: [number, number, number],
value: Vec3, // Euler angles in radians.
}
/**
@ -70,10 +70,8 @@ export type NjKeyframeA = {
export function parse_njm_4(cursor: BufferCursor): NjAction {
cursor.seek_end(16);
const offset1 = cursor.u32();
log_offset('offset1', offset1);
cursor.seek_start(offset1);
const action_offset = cursor.u32();
log_offset('action_offset', action_offset);
cursor.seek_start(action_offset);
return parse_action(cursor);
}
@ -81,8 +79,6 @@ export function parse_njm_4(cursor: BufferCursor): NjAction {
function parse_action(cursor: BufferCursor): NjAction {
const object_offset = cursor.u32();
const motion_offset = cursor.u32();
log_offset('object offset', object_offset);
log_offset('motion offset', motion_offset);
cursor.seek_start(motion_offset);
const motion = parse_motion(cursor);
@ -92,82 +88,105 @@ function parse_action(cursor: BufferCursor): NjAction {
};
}
// TODO: parse data for all objects.
function parse_motion(cursor: BufferCursor): NjMotion {
const motion_offset = cursor.position;
// Points to an array the size of the total amount of objects in the object tree.
const mdata_offset = cursor.u32();
let mdata_offset = cursor.u32();
const frame_count = cursor.u32();
const type = cursor.u16();
const inp_fn = cursor.u16();
// Linear, spline, user function or sampling mask.
// Linear, spline or user function.
const interpolation: NjInterpolation = (inp_fn & 0b11000000) >> 6;
const element_count = inp_fn & 0b1111;
const motion_data_list = [];
let motion_data: NjMotionData = {
tracks: [],
};
// The mdata array stops where the motion structure starts.
while (true) {
cursor.seek_start(mdata_offset);
const size = count_set_bits(type);
cursor.seek_start(mdata_offset);
const keyframe_offsets: number[] = [];
const keyframe_counts: number[] = [];
if (cursor.position >= motion_offset) {
break;
}
for (let i = 0; i < size; i++) {
keyframe_offsets.push(cursor.u32());
mdata_offset = mdata_offset += 8 * element_count;
let motion_data: NjMotionData = {
tracks: [],
};
motion_data_list.push(motion_data);
const keyframe_offsets: number[] = [];
const keyframe_counts: number[] = [];
for (let i = 0; i < element_count; i++) {
keyframe_offsets.push(cursor.u32());
}
for (let i = 0; i < element_count; i++) {
const count = cursor.u32();
keyframe_counts.push(count);
}
// NJD_MTYPE_POS_0
if ((type & (1 << 0)) !== 0) {
cursor.seek_start(keyframe_offsets.shift()!);
const count = keyframe_counts.shift();
if (count) {
motion_data.tracks.push({
type: NjKeyframeTrackType.Position,
keyframes: parse_motion_data_f(cursor, count)
});
}
}
// NJD_MTYPE_ANG_1
if ((type & (1 << 1)) !== 0) {
cursor.seek_start(keyframe_offsets.shift()!);
const count = keyframe_counts.shift();
if (count) {
motion_data.tracks.push({
type: NjKeyframeTrackType.Rotation,
keyframes: parse_motion_data_a(cursor, count)
});
}
}
// NJD_MTYPE_SCL_2
if ((type & (1 << 2)) !== 0) {
cursor.seek_start(keyframe_offsets.shift()!);
const count = keyframe_counts.shift();
if (count) {
motion_data.tracks.push({
type: NjKeyframeTrackType.Scale,
keyframes: parse_motion_data_f(cursor, count)
});
}
}
// // NJD_MTYPE_VEC_3
// if ((type & (1 << 3)) !== 0) {
// cursor.seek_start(keyframe_offsets.shift()!);
// motion_data.tracks.push(
// parse_motion_data_f(cursor, keyframe_counts.shift()!)
// );
// }
// // NJD_MTYPE_TARGET_3
// if ((type & (1 << 6)) !== 0) {
// cursor.seek_start(keyframe_offsets.shift()!);
// motion_data.tracks.push(
// parse_motion_data_f(cursor, keyframe_counts.shift()!)
// );
// }
// TODO: all NJD_MTYPE's
}
for (let i = 0; i < size; i++) {
const count = cursor.u32();
keyframe_counts.push(count);
}
// NJD_MTYPE_POS_0
if ((type & (1 << 0)) !== 0) {
cursor.seek_start(keyframe_offsets.shift()!);
motion_data.tracks.push({
type: NjKeyframeTrackType.Position,
keyframes: parse_motion_data_f(cursor, keyframe_counts.shift()!)
});
}
// NJD_MTYPE_ANG_1
if ((type & (1 << 1)) !== 0) {
cursor.seek_start(keyframe_offsets.shift()!);
motion_data.tracks.push({
type: NjKeyframeTrackType.Rotation,
keyframes: parse_motion_data_a(cursor, keyframe_counts.shift()!)
});
}
// NJD_MTYPE_SCL_2
if ((type & (1 << 2)) !== 0) {
cursor.seek_start(keyframe_offsets.shift()!);
motion_data.tracks.push({
type: NjKeyframeTrackType.Scale,
keyframes: parse_motion_data_f(cursor, keyframe_counts.shift()!)
});
}
// // NJD_MTYPE_VEC_3
// if ((type & (1 << 3)) !== 0) {
// cursor.seek_start(keyframe_offsets.shift()!);
// motion_data.tracks.push(
// parse_motion_data_f(cursor, keyframe_counts.shift()!)
// );
// }
// // NJD_MTYPE_TARGET_3
// if ((type & (1 << 6)) !== 0) {
// cursor.seek_start(keyframe_offsets.shift()!);
// motion_data.tracks.push(
// parse_motion_data_f(cursor, keyframe_counts.shift()!)
// );
// }
// TODO: all NJD_MTYPE's
return {
motion_data: [motion_data],
motion_data: motion_data_list,
frame_count,
type,
interpolation,
@ -181,7 +200,7 @@ function parse_motion_data_f(cursor: BufferCursor, count: number): NjKeyframeF[]
for (let i = 0; i < count; ++i) {
frames.push({
frame: cursor.u32(),
value: [cursor.f32(), cursor.f32(), cursor.f32()],
value: new Vec3(cursor.f32(), cursor.f32(), cursor.f32()),
});
}
@ -194,24 +213,13 @@ function parse_motion_data_a(cursor: BufferCursor, count: number): NjKeyframeA[]
for (let i = 0; i < count; ++i) {
frames.push({
frame: cursor.u16(),
value: [cursor.i16(), cursor.i16(), cursor.i16()],
value: new Vec3(
cursor.u16() * ANGLE_TO_RAD,
cursor.u16() * ANGLE_TO_RAD,
cursor.u16() * ANGLE_TO_RAD
),
});
}
return frames;
}
function log_offset(name: string, offset: number) {
logger.debug(`${name}: 0x${offset.toString(16).toUpperCase()}`);
}
function count_set_bits(n: number): number {
let count = 0;
while (n) {
count += n & 1;
n >>= 1;
}
return count;
}