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Frame interp: Revised camera system

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FOV is now smooth, and the individual hacks for stars and Epona's reins are removed
This commit is contained in:
Irastris
2026-04-15 20:11:18 -04:00
parent 368d7a8ee2
commit 83a95d64ee
7 changed files with 168 additions and 127 deletions
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src/d/d_kankyo_rain.cpp
-50
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@@ -4110,54 +4110,20 @@ void dKyr_drawStar(Mtx drawMtx, u8** tex) {
color_reg0.b = 0xFF;
color_reg0.a = 0xFF;
#if TARGET_PC
Mtx star_gx_view;
cXyz anchor_eye;
f32 star_fovy = 45.0f;
MtxP gx_load_view = drawMtx;
bool star_use_present_view = false;
if (dusk::getSettings().game.enableFrameInterpolation) {
star_use_present_view = dusk::frame_interp::build_star_view(star_gx_view, camMtx, &anchor_eye, &star_fovy);
}
if (star_use_present_view) {
gx_load_view = star_gx_view;
} else {
if (dComIfGd_getView() != NULL) {
MTXInverse(dComIfGd_getView()->viewMtxNoTrans, camMtx);
anchor_eye = camera->view.lookat.eye;
star_fovy = dComIfGd_getView()->fovy;
} else {
return;
}
}
#else
if (dComIfGd_getView() != NULL) {
MTXInverse(dComIfGd_getView()->viewMtxNoTrans, camMtx);
} else {
return;
}
#endif
if (strcmp(dComIfGp_getStartStageName(), "F_SP200") == 0 && dComIfG_play_c::getLayerNo(0) == 0) {
moon_pos = envlight->moon_pos;
} else {
#if TARGET_PC
moon_pos = anchor_eye + envlight->moon_pos;
#else
moon_pos = camera->view.lookat.eye + envlight->moon_pos;
#endif
if (sp38) {
#if TARGET_PC
moon_pos.x = 3900.0f + anchor_eye.x;
moon_pos.y = 8052.0f + anchor_eye.y;
moon_pos.z = -9072.0f + anchor_eye.z;
#else
moon_pos.x = 3900.0f + camera->view.lookat.eye.x;
moon_pos.y = 8052.0f + camera->view.lookat.eye.y;
moon_pos.z = -9072.0f + camera->view.lookat.eye.z;
#endif
}
}
@@ -4193,11 +4159,7 @@ void dKyr_drawStar(Mtx drawMtx, u8** tex) {
MTXRotRad(rotMtx, 'Z', DEG_TO_RAD(rot));
MTXConcat(camMtx, rotMtx, camMtx);
#if TARGET_PC
GXLoadPosMtxImm(gx_load_view, GX_PNMTX0);
#else
GXLoadPosMtxImm(drawMtx, GX_PNMTX0);
#endif
GXSetCurrentMtx(GX_PNMTX0);
rot += 0.65f;
@@ -4205,23 +4167,12 @@ void dKyr_drawStar(Mtx drawMtx, u8** tex) {
rot = 0.0f;
}
#if TARGET_PC
spBC = anchor_eye;
#else
spBC.x = camera->view.lookat.eye.x;
spBC.y = camera->view.lookat.eye.y;
spBC.z = camera->view.lookat.eye.z;
#endif
f32 sp34 = -1.0f;
int sp30 = 0;
#if TARGET_PC
f32 var_f30 = star_fovy / 45.0f;
if (var_f30 >= 1.0f) {
var_f30 = 1.0f;
}
var_f30 = 1.0f - var_f30;
#else
f32 var_f30 = 0.0f;
if (dComIfGd_getView() != NULL) {
@@ -4231,7 +4182,6 @@ void dKyr_drawStar(Mtx drawMtx, u8** tex) {
}
var_f30 = 1.0f - var_f30;
}
#endif
f32 temp_f27 = 0.28f * (1.0f - var_f30);
sp98.x = 0.0f;