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feat: implement per-frame mouse look for reduced input latency on Windows

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This commit is contained in:
daoge_cmd
2026-03-01 21:50:44 +08:00
parent 71daf43d99
commit 5fa4418adb
4 changed files with 64 additions and 7 deletions
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47
Minecraft.Client/Minecraft.cpp
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@@ -1223,6 +1223,53 @@ void Minecraft::createPrimaryLocalPlayer(int iPad)
}
}
#ifdef _WINDOWS64
void Minecraft::applyFrameMouseLook()
{
// Per-frame mouse look: consume mouse deltas every frame instead of waiting
// for the 20Hz game tick. Apply the same delta to both xRot/yRot AND xRotO/yRotO
// so the render interpolation instantly reflects the change without waiting for a tick.
if (level == NULL) return;
for (int i = 0; i < XUSER_MAX_COUNT; i++)
{
if (localplayers[i] == NULL) continue;
int iPad = localplayers[i]->GetXboxPad();
if (iPad != 0) continue; // Mouse only applies to pad 0
if (!KMInput.IsCaptured()) continue;
if (localgameModes[iPad] == NULL) continue;
float rawDx, rawDy;
KMInput.ConsumeMouseDelta(rawDx, rawDy);
if (rawDx == 0.0f && rawDy == 0.0f) continue;
float mouseSensitivity = 0.5f;
float mdx = rawDx * mouseSensitivity;
float mdy = -rawDy * mouseSensitivity;
if (app.GetGameSettings(iPad, eGameSetting_ControlInvertLook))
mdy = -mdy;
// Apply 0.15f scaling (same as Entity::interpolateTurn / Entity::turn)
float dyaw = mdx * 0.15f;
float dpitch = -mdy * 0.15f;
// Apply to both current and old rotation so render interpolation
// reflects the change immediately (no 50ms tick delay)
localplayers[i]->yRot += dyaw;
localplayers[i]->yRotO += dyaw;
localplayers[i]->xRot += dpitch;
localplayers[i]->xRotO += dpitch;
// Clamp pitch
if (localplayers[i]->xRot < -90.0f) localplayers[i]->xRot = -90.0f;
if (localplayers[i]->xRot > 90.0f) localplayers[i]->xRot = 90.0f;
if (localplayers[i]->xRotO < -90.0f) localplayers[i]->xRotO = -90.0f;
if (localplayers[i]->xRotO > 90.0f) localplayers[i]->xRotO = 90.0f;
}
}
#endif
void Minecraft::run_middle()
{
static __int64 lastTime = 0;