mirror of
https://github.com/HarbourMasters/Shipwright.git
synced 2024-12-24 09:08:52 -05:00
734 lines
25 KiB
C++
734 lines
25 KiB
C++
#include <libultraship/bridge.h>
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#include <vector>
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#include <map>
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#include <unordered_map>
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#include <math.h>
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#include "frame_interpolation.h"
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#include "soh/OTRGlobals.h"
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/*
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Frame interpolation.
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The idea of this code is to interpolate all matrices.
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The code contains two approaches. The first is to interpolate
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all inputs in transformations, such as angles, scale and distances,
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and then perform the same transformations with the interpolated values.
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After evaluation for some reason some animations such rolling look strange.
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The second approach is to simply interpolate the final matrices. This will
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more or less simply interpolate the world coordinates for movements.
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This will however make rotations ~180 degrees get the "paper effect".
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The mitigation is to identify this case for actors and interpolate the
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matrix but in model coordinates instead, by "removing" the rotation-
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translation before interpolating, create a rotation matrix with the
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interpolated angle which is then applied to the matrix.
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Currently the code contains both methods but only the second one is currently
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used.
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Both approaches build a tree of instructions, containing matrices
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at leaves. Every node is built from OPEN_DISPS/CLOSE_DISPS and manually
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inserted FrameInterpolation_OpenChild/FrameInterpolation_Close child calls.
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These nodes contain information that should suffice to identify the matrix,
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so we can find it in an adjacent frame.
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We can interpolate an arbitrary amount of frames between two original frames,
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given a specific interpolation factor (0=old frame, 0.5=average of frames,
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1.0=new frame).
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*/
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extern "C" {
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void Matrix_Init(struct GameState* gameState);
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void Matrix_Push(void);
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void Matrix_Pop(void);
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void Matrix_Get(MtxF* dest);
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void Matrix_Put(MtxF* src);
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void Matrix_Mult(MtxF* mf, u8 mode);
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void Matrix_Translate(f32 x, f32 y, f32 z, u8 mode);
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void Matrix_Scale(f32 x, f32 y, f32 z, u8 mode);
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void Matrix_RotateX(f32 x, u8 mode);
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void Matrix_RotateY(f32 y, u8 mode);
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void Matrix_RotateZ(f32 z, u8 mode);
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void Matrix_RotateZYX(s16 x, s16 y, s16 z, u8 mode);
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void Matrix_TranslateRotateZYX(Vec3f* translation, Vec3s* rotation);
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void Matrix_SetTranslateRotateYXZ(f32 translateX, f32 translateY, f32 translateZ, Vec3s* rot);
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Mtx* Matrix_MtxFToMtx(MtxF* src, Mtx* dest);
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Mtx* Matrix_ToMtx(Mtx* dest, char* file, s32 line);
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Mtx* Matrix_NewMtx(struct GraphicsContext* gfxCtx, char* file, s32 line);
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Mtx* Matrix_MtxFToNewMtx(MtxF* src, struct GraphicsContext* gfxCtx);
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void Matrix_MultVec3f(Vec3f* src, Vec3f* dest);
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void Matrix_MtxFCopy(MtxF* dest, MtxF* src);
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void Matrix_MtxToMtxF(Mtx* src, MtxF* dest);
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void Matrix_MultVec3fExt(Vec3f* src, Vec3f* dest, MtxF* mf);
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void Matrix_Transpose(MtxF* mf);
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void Matrix_ReplaceRotation(MtxF* mf);
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void Matrix_MtxFToYXZRotS(MtxF* mf, Vec3s* rotDest, s32 flag);
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void Matrix_MtxFToZYXRotS(MtxF* mf, Vec3s* rotDest, s32 flag);
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void Matrix_RotateAxis(f32 angle, Vec3f* axis, u8 mode);
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MtxF* Matrix_CheckFloats(MtxF* mf, char* file, s32 line);
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void Matrix_SetTranslateScaleMtx2(Mtx* mtx, f32 scaleX, f32 scaleY, f32 scaleZ, f32 translateX, f32 translateY,
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f32 translateZ);
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MtxF* Matrix_GetCurrent(void);
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void SkinMatrix_MtxFMtxFMult(MtxF* mfA, MtxF* mfB, MtxF* dest);
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}
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static bool invert_matrix(const float m[16], float invOut[16]);
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using namespace std;
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namespace {
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enum class Op {
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OpenChild,
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CloseChild,
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MatrixPush,
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MatrixPop,
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MatrixPut,
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MatrixMult,
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MatrixTranslate,
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MatrixScale,
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MatrixRotate1Coord,
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MatrixRotateZYX,
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MatrixTranslateRotateZYX,
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MatrixSetTranslateRotateYXZ,
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MatrixMtxFToMtx,
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MatrixToMtx,
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MatrixReplaceRotation,
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MatrixRotateAxis,
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SkinMatrixMtxFToMtx
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};
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typedef pair<const void*, int> label;
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union Data {
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Data() {
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}
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struct {
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MtxF src;
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} matrix_put;
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struct {
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MtxF mf;
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u8 mode;
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} matrix_mult;
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struct {
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f32 x, y, z;
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u8 mode;
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} matrix_translate, matrix_scale;
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struct {
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u32 coord;
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f32 value;
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u8 mode;
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} matrix_rotate_1_coord;
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struct {
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s16 x, y, z;
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u8 mode;
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} matrix_rotate_zyx;
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struct {
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Vec3f translation;
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Vec3s rotation;
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} matrix_translate_rotate_zyx;
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struct {
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f32 translateX, translateY, translateZ;
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Vec3s rot;
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//MtxF mtx;
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bool has_mtx;
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} matrix_set_translate_rotate_yxz;
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struct {
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MtxF src;
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Mtx* dest;
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} matrix_mtxf_to_mtx;
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struct {
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Mtx* dest;
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MtxF src;
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bool has_adjusted;
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} matrix_to_mtx;
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struct {
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MtxF mf;
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} matrix_replace_rotation;
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struct {
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f32 angle;
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Vec3f axis;
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u8 mode;
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} matrix_rotate_axis;
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struct {
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label key;
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size_t idx;
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} open_child;
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};
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struct Path {
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map<label, vector<Path>> children;
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map<Op, vector<Data>> ops;
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vector<pair<Op, size_t>> items;
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};
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struct Recording {
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Path root_path;
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};
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bool is_recording;
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vector<Path*> current_path;
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uint32_t camera_epoch;
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uint32_t previous_camera_epoch;
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Recording current_recording;
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Recording previous_recording;
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bool next_is_actor_pos_rot_matrix;
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bool has_inv_actor_mtx;
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MtxF inv_actor_mtx;
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size_t inv_actor_mtx_path_index;
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Data& append(Op op) {
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auto& m = current_path.back()->ops[op];
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current_path.back()->items.emplace_back(op, m.size());
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return m.emplace_back();
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}
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struct InterpolateCtx {
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float step;
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float w;
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unordered_map<Mtx*, MtxF> mtx_replacements;
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MtxF tmp_mtxf, tmp_mtxf2;
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Vec3f tmp_vec3f;
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Vec3s tmp_vec3s;
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MtxF actor_mtx;
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MtxF* new_replacement(Mtx* addr) {
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return &mtx_replacements[addr];
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}
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void interpolate_mtxf(MtxF* res, MtxF* o, MtxF* n) {
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for (size_t i = 0; i < 4; i++) {
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for (size_t j = 0; j < 4; j++) {
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res->mf[i][j] = w * o->mf[i][j] + step * n->mf[i][j];
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}
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}
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}
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float lerp(f32 o, f32 n) {
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return w * o + step * n;
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}
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void lerp_vec3f(Vec3f* res, Vec3f* o, Vec3f* n) {
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res->x = lerp(o->x, n->x);
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res->y = lerp(o->y, n->y);
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res->z = lerp(o->z, n->z);
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}
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float interpolate_angle(f32 o, f32 n) {
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if (o == n)
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return n;
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o = fmodf(o, 2 * M_PI);
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if (o < 0.0f) {
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o += 2 * M_PI;
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}
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n = fmodf(n, 2 * M_PI);
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if (n < 0.0f) {
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n += 2 * M_PI;
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}
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if (fabsf(o - n) > M_PI) {
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if (o < n) {
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o += 2 * M_PI;
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} else {
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n += 2 * M_PI;
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}
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}
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if (fabsf(o - n) > M_PI / 2) {
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//return n;
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}
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return lerp(o, n);
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}
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s16 interpolate_angle(s16 os, s16 ns) {
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if (os == ns)
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return ns;
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int o = (u16)os;
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int n = (u16)ns;
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u16 res;
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int diff = o - n;
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if (-0x8000 <= diff && diff <= 0x8000) {
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if (diff < -0x4000 || diff > 0x4000) {
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return ns;
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}
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res = (u16)(w * o + step * n);
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} else {
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if (o < n) {
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o += 0x10000;
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} else {
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n += 0x10000;
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}
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diff = o - n;
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if (diff < -0x4000 || diff > 0x4000) {
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return ns;
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}
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res = (u16)(w * o + step * n);
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}
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if (os / 327 == ns / 327 && (s16)res / 327 != os / 327) {
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int bp = 0;
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}
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return res;
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}
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void interpolate_angles(Vec3s* res, Vec3s* o, Vec3s* n) {
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res->x = interpolate_angle(o->x, n->x);
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res->y = interpolate_angle(o->y, n->y);
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res->z = interpolate_angle(o->z, n->z);
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}
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void interpolate_branch(Path* old_path, Path *new_path) {
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for (auto& item : new_path->items) {
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Data& new_op = new_path->ops[item.first][item.second];
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if (item.first == Op::OpenChild) {
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if (auto it = old_path->children.find(new_op.open_child.key);
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it != old_path->children.end() && new_op.open_child.idx < it->second.size()) {
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interpolate_branch(&it->second[new_op.open_child.idx],
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&new_path->children.find(new_op.open_child.key)->second[new_op.open_child.idx]);
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} else {
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interpolate_branch(
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&new_path->children.find(new_op.open_child.key)->second[new_op.open_child.idx],
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&new_path->children.find(new_op.open_child.key)->second[new_op.open_child.idx]);
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}
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continue;
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}
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if (auto it = old_path->ops.find(item.first); it != old_path->ops.end()) {
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if (item.second < it->second.size()) {
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Data& old_op = it->second[item.second];
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switch (item.first) {
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case Op::OpenChild:
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break;
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case Op::CloseChild:
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break;
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case Op::MatrixPush:
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Matrix_Push();
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break;
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case Op::MatrixPop:
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Matrix_Pop();
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break;
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case Op::MatrixPut:
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interpolate_mtxf(&tmp_mtxf, &old_op.matrix_put.src, &new_op.matrix_put.src);
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Matrix_Put(&tmp_mtxf);
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break;
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case Op::MatrixMult:
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interpolate_mtxf(&tmp_mtxf, &old_op.matrix_mult.mf, &new_op.matrix_mult.mf);
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Matrix_Mult(&tmp_mtxf, new_op.matrix_mult.mode);
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break;
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case Op::MatrixTranslate:
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Matrix_Translate(lerp(old_op.matrix_translate.x, new_op.matrix_translate.x),
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lerp(old_op.matrix_translate.y, new_op.matrix_translate.y),
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lerp(old_op.matrix_translate.z, new_op.matrix_translate.z),
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new_op.matrix_translate.mode);
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break;
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case Op::MatrixScale:
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Matrix_Scale(lerp(old_op.matrix_scale.x, new_op.matrix_scale.x),
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lerp(old_op.matrix_scale.y, new_op.matrix_scale.y),
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lerp(old_op.matrix_scale.z, new_op.matrix_scale.z),
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new_op.matrix_scale.mode);
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break;
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case Op::MatrixRotate1Coord: {
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float v = interpolate_angle(old_op.matrix_rotate_1_coord.value, new_op.matrix_rotate_1_coord.value);
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u8 mode = new_op.matrix_rotate_1_coord.mode;
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switch (new_op.matrix_rotate_1_coord.coord) {
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case 0:
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Matrix_RotateX(v, mode);
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break;
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case 1:
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Matrix_RotateY(v, mode);
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break;
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case 2:
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Matrix_RotateZ(v, mode);
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break;
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}
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break;
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}
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case Op::MatrixRotateZYX:
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Matrix_RotateZYX(interpolate_angle(old_op.matrix_rotate_zyx.x, new_op.matrix_rotate_zyx.x),
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interpolate_angle(old_op.matrix_rotate_zyx.y, new_op.matrix_rotate_zyx.y),
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interpolate_angle(old_op.matrix_rotate_zyx.z, new_op.matrix_rotate_zyx.z),
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new_op.matrix_rotate_zyx.mode);
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break;
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case Op::MatrixTranslateRotateZYX:
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lerp_vec3f(&tmp_vec3f, &old_op.matrix_translate_rotate_zyx.translation, &new_op.matrix_translate_rotate_zyx.translation);
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interpolate_angles(&tmp_vec3s, &old_op.matrix_translate_rotate_zyx.rotation, &new_op.matrix_translate_rotate_zyx.rotation);
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Matrix_TranslateRotateZYX(&tmp_vec3f, &tmp_vec3s);
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break;
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case Op::MatrixSetTranslateRotateYXZ:
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interpolate_angles(&tmp_vec3s, &old_op.matrix_set_translate_rotate_yxz.rot,
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&new_op.matrix_set_translate_rotate_yxz.rot);
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Matrix_SetTranslateRotateYXZ(lerp(old_op.matrix_set_translate_rotate_yxz.translateX,
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new_op.matrix_set_translate_rotate_yxz.translateX),
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lerp(old_op.matrix_set_translate_rotate_yxz.translateY,
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new_op.matrix_set_translate_rotate_yxz.translateY),
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lerp(old_op.matrix_set_translate_rotate_yxz.translateZ,
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new_op.matrix_set_translate_rotate_yxz.translateZ),
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&tmp_vec3s);
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if (new_op.matrix_set_translate_rotate_yxz.has_mtx && old_op.matrix_set_translate_rotate_yxz.has_mtx) {
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actor_mtx = *Matrix_GetCurrent();
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}
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break;
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case Op::MatrixMtxFToMtx:
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interpolate_mtxf(new_replacement(new_op.matrix_mtxf_to_mtx.dest),
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&old_op.matrix_mtxf_to_mtx.src, &new_op.matrix_mtxf_to_mtx.src);
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break;
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case Op::MatrixToMtx: {
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//*new_replacement(new_op.matrix_to_mtx.dest) = *Matrix_GetCurrent();
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if (old_op.matrix_to_mtx.has_adjusted && new_op.matrix_to_mtx.has_adjusted) {
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interpolate_mtxf(&tmp_mtxf, &old_op.matrix_to_mtx.src, &new_op.matrix_to_mtx.src);
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SkinMatrix_MtxFMtxFMult(&actor_mtx, &tmp_mtxf, new_replacement(new_op.matrix_to_mtx.dest));
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} else {
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interpolate_mtxf(new_replacement(new_op.matrix_to_mtx.dest),
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&old_op.matrix_to_mtx.src, &new_op.matrix_to_mtx.src);
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}
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break;
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}
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case Op::MatrixReplaceRotation:
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interpolate_mtxf(&tmp_mtxf, &old_op.matrix_replace_rotation.mf, &new_op.matrix_replace_rotation.mf);
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Matrix_ReplaceRotation(&tmp_mtxf);
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break;
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case Op::MatrixRotateAxis:
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lerp_vec3f(&tmp_vec3f, &old_op.matrix_rotate_axis.axis, &new_op.matrix_rotate_axis.axis);
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Matrix_RotateAxis(interpolate_angle(old_op.matrix_rotate_axis.angle, new_op.matrix_rotate_axis.angle),
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&tmp_vec3f, new_op.matrix_rotate_axis.mode);
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break;
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case Op::SkinMatrixMtxFToMtx:
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break;
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}
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}
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}
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}
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}
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};
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} // anonymous namespace
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unordered_map<Mtx*, MtxF> FrameInterpolation_Interpolate(float step) {
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InterpolateCtx ctx;
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ctx.step = step;
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ctx.w = 1.0f - step;
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ctx.interpolate_branch(&previous_recording.root_path, ¤t_recording.root_path);
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return ctx.mtx_replacements;
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}
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void FrameInterpolation_StartRecord(void) {
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previous_recording = move(current_recording);
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current_recording = {};
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current_path.clear();
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current_path.push_back(¤t_recording.root_path);
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if (OTRGlobals::Instance->GetInterpolationFPS() != 20) {
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is_recording = true;
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}
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}
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void FrameInterpolation_StopRecord(void) {
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previous_camera_epoch = camera_epoch;
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is_recording = false;
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}
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void FrameInterpolation_RecordOpenChild(const void* a, int b) {
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if (!is_recording)
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return;
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label key = { a, b };
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auto& m = current_path.back()->children[key];
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append(Op::OpenChild).open_child = { key, m.size() };
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current_path.push_back(&m.emplace_back());
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}
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void FrameInterpolation_RecordCloseChild(void) {
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if (!is_recording)
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return;
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//append(Op::CloseChild);
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if (has_inv_actor_mtx && current_path.size() == inv_actor_mtx_path_index) {
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has_inv_actor_mtx = false;
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}
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|
current_path.pop_back();
|
|
}
|
|
|
|
void FrameInterpolation_DontInterpolateCamera(void) {
|
|
camera_epoch = previous_camera_epoch + 1;
|
|
}
|
|
|
|
int FrameInterpolation_GetCameraEpoch(void) {
|
|
return (int)camera_epoch;
|
|
}
|
|
|
|
void FrameInterpolation_RecordActorPosRotMatrix(void) {
|
|
if (!is_recording)
|
|
return;
|
|
next_is_actor_pos_rot_matrix = true;
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixPush(void) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixPush);
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixPop(void) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixPop);
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixPut(MtxF* src) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixPut).matrix_put = { *src };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixMult(MtxF* mf, u8 mode) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixMult).matrix_mult = { *mf, mode };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixTranslate(f32 x, f32 y, f32 z, u8 mode) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixTranslate).matrix_translate = { x, y, z, mode };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixScale(f32 x, f32 y, f32 z, u8 mode) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixScale).matrix_scale = { x, y, z, mode };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixRotate1Coord(u32 coord, f32 value, u8 mode) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixRotate1Coord).matrix_rotate_1_coord = { coord, value, mode };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixRotateZYX(s16 x, s16 y, s16 z, u8 mode) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixRotateZYX).matrix_rotate_zyx = { x, y, z, mode };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixTranslateRotateZYX(Vec3f* translation, Vec3s* rotation) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixTranslateRotateZYX).matrix_translate_rotate_zyx = { *translation, *rotation };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixSetTranslateRotateYXZ(f32 translateX, f32 translateY, f32 translateZ, Vec3s* rot) {
|
|
if (!is_recording)
|
|
return;
|
|
auto& d = append(Op::MatrixSetTranslateRotateYXZ).matrix_set_translate_rotate_yxz = { translateX, translateY, translateZ,
|
|
*rot };
|
|
if (next_is_actor_pos_rot_matrix) {
|
|
d.has_mtx = true;
|
|
//d.mtx = *Matrix_GetCurrent();
|
|
invert_matrix((const float *)Matrix_GetCurrent()->mf, (float *)inv_actor_mtx.mf);
|
|
next_is_actor_pos_rot_matrix = false;
|
|
has_inv_actor_mtx = true;
|
|
inv_actor_mtx_path_index = current_path.size();
|
|
}
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixMtxFToMtx(MtxF* src, Mtx* dest) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixMtxFToMtx).matrix_mtxf_to_mtx = { *src, dest };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixToMtx(Mtx* dest, char* file, s32 line) {
|
|
if (!is_recording)
|
|
return;
|
|
auto& d = append(Op::MatrixToMtx).matrix_to_mtx = { dest };
|
|
if (has_inv_actor_mtx) {
|
|
d.has_adjusted = true;
|
|
SkinMatrix_MtxFMtxFMult(&inv_actor_mtx, Matrix_GetCurrent(), &d.src);
|
|
} else {
|
|
d.src = *Matrix_GetCurrent();
|
|
}
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixReplaceRotation(MtxF* mf) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixReplaceRotation).matrix_replace_rotation = { *mf };
|
|
}
|
|
|
|
void FrameInterpolation_RecordMatrixRotateAxis(f32 angle, Vec3f* axis, u8 mode) {
|
|
if (!is_recording)
|
|
return;
|
|
append(Op::MatrixRotateAxis).matrix_rotate_axis = { angle, *axis, mode };
|
|
}
|
|
|
|
void FrameInterpolation_RecordSkinMatrixMtxFToMtx(MtxF* src, Mtx* dest) {
|
|
if (!is_recording)
|
|
return;
|
|
FrameInterpolation_RecordMatrixMtxFToMtx(src, dest);
|
|
}
|
|
|
|
// https://stackoverflow.com/questions/1148309/inverting-a-4x4-matrix
|
|
static bool invert_matrix(const float m[16], float invOut[16]) {
|
|
float inv[16], det;
|
|
int i;
|
|
|
|
inv[0] = m[5] * m[10] * m[15] -
|
|
m[5] * m[11] * m[14] -
|
|
m[9] * m[6] * m[15] +
|
|
m[9] * m[7] * m[14] +
|
|
m[13] * m[6] * m[11] -
|
|
m[13] * m[7] * m[10];
|
|
|
|
inv[4] = -m[4] * m[10] * m[15] +
|
|
m[4] * m[11] * m[14] +
|
|
m[8] * m[6] * m[15] -
|
|
m[8] * m[7] * m[14] -
|
|
m[12] * m[6] * m[11] +
|
|
m[12] * m[7] * m[10];
|
|
|
|
inv[8] = m[4] * m[9] * m[15] -
|
|
m[4] * m[11] * m[13] -
|
|
m[8] * m[5] * m[15] +
|
|
m[8] * m[7] * m[13] +
|
|
m[12] * m[5] * m[11] -
|
|
m[12] * m[7] * m[9];
|
|
|
|
inv[12] = -m[4] * m[9] * m[14] +
|
|
m[4] * m[10] * m[13] +
|
|
m[8] * m[5] * m[14] -
|
|
m[8] * m[6] * m[13] -
|
|
m[12] * m[5] * m[10] +
|
|
m[12] * m[6] * m[9];
|
|
|
|
inv[1] = -m[1] * m[10] * m[15] +
|
|
m[1] * m[11] * m[14] +
|
|
m[9] * m[2] * m[15] -
|
|
m[9] * m[3] * m[14] -
|
|
m[13] * m[2] * m[11] +
|
|
m[13] * m[3] * m[10];
|
|
|
|
inv[5] = m[0] * m[10] * m[15] -
|
|
m[0] * m[11] * m[14] -
|
|
m[8] * m[2] * m[15] +
|
|
m[8] * m[3] * m[14] +
|
|
m[12] * m[2] * m[11] -
|
|
m[12] * m[3] * m[10];
|
|
|
|
inv[9] = -m[0] * m[9] * m[15] +
|
|
m[0] * m[11] * m[13] +
|
|
m[8] * m[1] * m[15] -
|
|
m[8] * m[3] * m[13] -
|
|
m[12] * m[1] * m[11] +
|
|
m[12] * m[3] * m[9];
|
|
|
|
inv[13] = m[0] * m[9] * m[14] -
|
|
m[0] * m[10] * m[13] -
|
|
m[8] * m[1] * m[14] +
|
|
m[8] * m[2] * m[13] +
|
|
m[12] * m[1] * m[10] -
|
|
m[12] * m[2] * m[9];
|
|
|
|
inv[2] = m[1] * m[6] * m[15] -
|
|
m[1] * m[7] * m[14] -
|
|
m[5] * m[2] * m[15] +
|
|
m[5] * m[3] * m[14] +
|
|
m[13] * m[2] * m[7] -
|
|
m[13] * m[3] * m[6];
|
|
|
|
inv[6] = -m[0] * m[6] * m[15] +
|
|
m[0] * m[7] * m[14] +
|
|
m[4] * m[2] * m[15] -
|
|
m[4] * m[3] * m[14] -
|
|
m[12] * m[2] * m[7] +
|
|
m[12] * m[3] * m[6];
|
|
|
|
inv[10] = m[0] * m[5] * m[15] -
|
|
m[0] * m[7] * m[13] -
|
|
m[4] * m[1] * m[15] +
|
|
m[4] * m[3] * m[13] +
|
|
m[12] * m[1] * m[7] -
|
|
m[12] * m[3] * m[5];
|
|
|
|
inv[14] = -m[0] * m[5] * m[14] +
|
|
m[0] * m[6] * m[13] +
|
|
m[4] * m[1] * m[14] -
|
|
m[4] * m[2] * m[13] -
|
|
m[12] * m[1] * m[6] +
|
|
m[12] * m[2] * m[5];
|
|
|
|
inv[3] = -m[1] * m[6] * m[11] +
|
|
m[1] * m[7] * m[10] +
|
|
m[5] * m[2] * m[11] -
|
|
m[5] * m[3] * m[10] -
|
|
m[9] * m[2] * m[7] +
|
|
m[9] * m[3] * m[6];
|
|
|
|
inv[7] = m[0] * m[6] * m[11] -
|
|
m[0] * m[7] * m[10] -
|
|
m[4] * m[2] * m[11] +
|
|
m[4] * m[3] * m[10] +
|
|
m[8] * m[2] * m[7] -
|
|
m[8] * m[3] * m[6];
|
|
|
|
inv[11] = -m[0] * m[5] * m[11] +
|
|
m[0] * m[7] * m[9] +
|
|
m[4] * m[1] * m[11] -
|
|
m[4] * m[3] * m[9] -
|
|
m[8] * m[1] * m[7] +
|
|
m[8] * m[3] * m[5];
|
|
|
|
inv[15] = m[0] * m[5] * m[10] -
|
|
m[0] * m[6] * m[9] -
|
|
m[4] * m[1] * m[10] +
|
|
m[4] * m[2] * m[9] +
|
|
m[8] * m[1] * m[6] -
|
|
m[8] * m[2] * m[5];
|
|
|
|
det = m[0] * inv[0] + m[1] * inv[4] + m[2] * inv[8] + m[3] * inv[12];
|
|
|
|
if (det == 0) {
|
|
return false;
|
|
}
|
|
|
|
det = 1.0 / det;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
invOut[i] = inv[i] * det;
|
|
}
|
|
|
|
return true;
|
|
}
|