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Experimental interpolation (#309)

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* Experimental 60 fps

* Fix compile error

* Fix compile error

* Fix compile error
This commit is contained in:
Emill 2022-05-14 00:43:55 +02:00 • committed by GitHub
parent bcd57f45b2
commit 45e5e5ca72
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43 changed files with 1206 additions and 49 deletions
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109
soh/src/code/z_view.c
View file

@ -2,6 +2,9 @@
#include "vt.h"
#include <string.h>
#include <math.h>
#include "soh/frame_interpolation.h"
vu32 D_8012ABF0 = true;
@ -277,6 +280,10 @@ void func_800AAA50(View* view, s32 arg1) {
}
}
static float sqr(float a) {
return a * a;
}
s32 func_800AAA9C(View* view) {
f32 aspect;
s32 width;
@ -307,6 +314,85 @@ s32 func_800AAA9C(View* view) {
height = view->viewport.bottomY - view->viewport.topY;
aspect = (f32)width / (f32)height;
viewing = Graph_Alloc(gfxCtx, sizeof(Mtx));
LogUtils_CheckNullPointer("viewing", viewing, "../z_view.c", 667);
view->viewingPtr = viewing;
if (view->eye.x == view->lookAt.x && view->eye.y == view->lookAt.y && view->eye.z == view->lookAt.z) {
view->eye.x += 1.0f;
view->eye.y += 1.0f;
view->eye.z += 1.0f;
}
func_800ABE74(view->eye.x, view->eye.y, view->eye.z);
MtxF viewingF;
guLookAtF(viewingF.mf, view->eye.x, view->eye.y, view->eye.z, view->lookAt.x, view->lookAt.y, view->lookAt.z, view->up.x,
view->up.y, view->up.z);
// Some heuristics to identify instant camera movements and skip interpolation in that case
static View old_view;
float dirx = view->eye.x - view->lookAt.x;
float diry = view->eye.y - view->lookAt.y;
float dirz = view->eye.z - view->lookAt.z;
float dir_dist = sqrtf(sqr(dirx) + sqr(diry) + sqr(dirz));
dirx /= dir_dist;
diry /= dir_dist;
dirz /= dir_dist;
float odirx = old_view.eye.x - old_view.lookAt.x;
float odiry = old_view.eye.y - old_view.lookAt.y;
float odirz = old_view.eye.z - old_view.lookAt.z;
float odir_dist = sqrtf(sqr(odirx) + sqr(odiry) + sqr(odirz));
odirx /= odir_dist;
odiry /= odir_dist;
odirz /= odir_dist;
float eye_dist = sqrtf(sqr(view->eye.x - old_view.eye.x) + sqr(view->eye.y - old_view.eye.y) + sqr(view->eye.z - old_view.eye.z));
float look_dist = sqrtf(sqr(view->lookAt.x - old_view.lookAt.x) + sqr(view->lookAt.y - old_view.lookAt.y) + sqr(view->lookAt.z - old_view.lookAt.z));
float up_dist = sqrtf(sqr(view->up.x - old_view.up.x) + sqr(view->up.y - old_view.up.y) + sqr(view->up.z - old_view.up.z));
float d_dist = sqrtf(sqr(dirx - odirx) + sqr(diry - odiry) + sqr(dirz - odirz));
bool dont_interpolate = false;
if (up_dist < 0.01 && d_dist < 0.01) {
if (eye_dist + look_dist > 300) {
dont_interpolate = true;
}
} else {
if (eye_dist >= 400) {
dont_interpolate = true;
}
if (look_dist >= 100) {
dont_interpolate = true;
}
if (up_dist >= 1.50f) {
dont_interpolate = true;
}
if (d_dist >= 1.414f && look_dist >= 15) {
dont_interpolate = true;
}
if (d_dist >= 1.414f && up_dist >= 0.31f && look_dist >= 1 && eye_dist >= 300) {
dont_interpolate = true;
}
if (d_dist >= 0.5f && up_dist >= 0.31f && look_dist >= 3 && eye_dist >= 170) {
dont_interpolate = true;
}
if (look_dist >= 52 && eye_dist >= 52) {
dont_interpolate = true;
}
if (look_dist >= 30 && eye_dist >= 90) {
dont_interpolate = true;
}
}
if (dont_interpolate) {
FrameInterpolation_DontInterpolateCamera();
}
FrameInterpolation_RecordOpenChild(NULL, FrameInterpolation_GetCameraEpoch());
if (HREG(80) == 11) {
if (HREG(94) != 11) {
HREG(94) = 11;
@ -347,22 +433,17 @@ s32 func_800AAA9C(View* view) {
gSPPerspNormalize(POLY_KAL_DISP++, view->normal);
gSPMatrix(POLY_KAL_DISP++, projection, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
viewing = Graph_Alloc(gfxCtx, sizeof(Mtx));
LogUtils_CheckNullPointer("viewing", viewing, "../z_view.c", 667);
view->viewingPtr = viewing;
if (view->eye.x == view->lookAt.x && view->eye.y == view->lookAt.y && view->eye.z == view->lookAt.z) {
view->eye.x += 1.0f;
view->eye.y += 1.0f;
view->eye.z += 1.0f;
}
func_800ABE74(view->eye.x, view->eye.y, view->eye.z);
guLookAt(viewing, view->eye.x, view->eye.y, view->eye.z, view->lookAt.x, view->lookAt.y, view->lookAt.z, view->up.x,
view->up.y, view->up.z);
Matrix_MtxFToMtx(viewingF.mf, viewing);
view->viewing = *viewing;
/*if (eye_dist > 1 || look_dist > 1 || abs(up_dist) > 0.1 || abs(d_dist) > 0.1)
printf("%d %f %f %f, %f %f %f, %f %f %f, %f %f %f %f %d\n", (int)view->fovy, view->eye.x, view->eye.y, view->eye.z, view->lookAt.x, view->lookAt.y, view->lookAt.z,
view->up.x, view->up.y, view->up.z, eye_dist, look_dist, up_dist, d_dist, dont_interpolate);*/
old_view = *view;
if (QREG(88) & 2) {
s32 i;
MtxF mf;
@ -374,10 +455,10 @@ s32 func_800AAA9C(View* view) {
}
osSyncPrintf("\n");
}
gSPMatrix(POLY_OPA_DISP++, viewing, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
gSPMatrix(POLY_XLU_DISP++, viewing, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
gSPMatrix(POLY_KAL_DISP++, viewing, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
FrameInterpolation_RecordCloseChild();
CLOSE_DISPS(gfxCtx, "../z_view.c", 711);