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fix starfield interpolation
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This commit is contained in:
Sonic Dreamcaster 2024-12-31 19:11:22 -03:00
parent 2616808feb
commit 87c4c43ecb
1 changed files with 18 additions and 4 deletions
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16
src/engine/fox_bg.c
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@ -264,8 +264,16 @@ void Background_DrawStarfield(void) {
if (vx >= (marginX - STAR_MARGIN) && vx <= (marginX + renderMaskWidth + STAR_MARGIN) &&
vy >= (renderMaskHeight - STAR_MARGIN) && vy <= ((renderMaskHeight * 2) + STAR_MARGIN)) {
bool skipInterpolation = (fabsf(vx - gStarPrevX[i]) > starfieldWidth / 2.0f) ||
(fabsf(vy - gStarPrevY[i]) > starfieldHeight / 2.0f);
if (skipInterpolation) {
// @port Skip interpolation
FrameInterpolation_ShouldInterpolateFrame(false);
} else {
FrameInterpolation_RecordOpenChild("Starfield", i);
FrameInterpolation_RecordMarker(__FILE__, __LINE__);
}
// Translate to (vx, vy) in ortho coordinates
Matrix_Push(&gGfxMatrix);
@ -288,7 +296,12 @@ void Background_DrawStarfield(void) {
gSPDisplayList(gMasterDisp++, starDL);
Matrix_Pop(&gGfxMatrix);
if (skipInterpolation) {
// @port Skip interpolation
FrameInterpolation_ShouldInterpolateFrame(true);
} else {
FrameInterpolation_RecordCloseChild();
}
gStarPrevX[i] = vx;
gStarPrevY[i] = vy;
@ -546,7 +559,8 @@ void Background_DrawBackdrop(void) {
// Apply camera roll and translate matrix to the starting position (far left)
Matrix_RotateZ(gGfxMatrix, gPlayer[gPlayerNum].camRoll * M_DTOR, MTXF_APPLY);
Matrix_Translate(gGfxMatrix, sp13C - 14560.0f, -2000.0f + bgYpos + bgCutsceneFix, -6000.0f, MTXF_APPLY);
Matrix_Translate(gGfxMatrix, sp13C - 14560.0f, -2000.0f + bgYpos + bgCutsceneFix, -6000.0f,
MTXF_APPLY);
Matrix_SetGfxMtx(&gMasterDisp);
// Render the textures across a wider range to cover the screen