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feat: implement game-tick input handling and per-frame edge detection

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This commit is contained in:
daoge_cmd
2026-03-01 19:59:48 +08:00
parent e067d710e3
commit 2aee607d6c
5 changed files with 68 additions and 43 deletions
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62
Minecraft.Client/Windows64/KeyboardMouseInput.cpp
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@@ -7,11 +7,8 @@
KeyboardMouseInput KMInput;
KeyboardMouseInput::KeyboardMouseInput()
: m_mouseDeltaX(0.0f)
, m_mouseDeltaY(0.0f)
, m_mouseDeltaXAccum(0.0f)
: m_mouseDeltaXAccum(0.0f)
, m_mouseDeltaYAccum(0.0f)
, m_scrollDelta(0)
, m_scrollDeltaAccum(0)
, m_captured(false)
, m_hWnd(NULL)
@@ -21,6 +18,8 @@ KeyboardMouseInput::KeyboardMouseInput()
memset(m_keyStatePrev, 0, sizeof(m_keyStatePrev));
memset(m_mouseButtons, 0, sizeof(m_mouseButtons));
memset(m_mouseButtonsPrev, 0, sizeof(m_mouseButtonsPrev));
memset(m_keyPressedAccum, 0, sizeof(m_keyPressedAccum));
memset(m_mousePressedAccum, 0, sizeof(m_mousePressedAccum));
}
KeyboardMouseInput::~KeyboardMouseInput()
@@ -47,16 +46,6 @@ void KeyboardMouseInput::Init(HWND hWnd)
void KeyboardMouseInput::Tick()
{
// Snapshot accumulated mouse deltas
m_mouseDeltaX = m_mouseDeltaXAccum;
m_mouseDeltaY = m_mouseDeltaYAccum;
m_mouseDeltaXAccum = 0.0f;
m_mouseDeltaYAccum = 0.0f;
// Snapshot scroll delta
m_scrollDelta = m_scrollDeltaAccum;
m_scrollDeltaAccum = 0;
// Keep cursor pinned to center while captured
if (m_captured)
CenterCursor();
@@ -65,7 +54,7 @@ void KeyboardMouseInput::Tick()
void KeyboardMouseInput::EndFrame()
{
// Advance previous state for next frame's edge detection.
// Must be called AFTER all consumers have read IsKeyPressed/Released etc.
// Must be called AFTER all per-frame consumers have read IsKeyPressed/Released etc.
memcpy(m_keyStatePrev, m_keyState, sizeof(m_keyState));
memcpy(m_mouseButtonsPrev, m_mouseButtons, sizeof(m_mouseButtons));
}
@@ -74,6 +63,7 @@ void KeyboardMouseInput::OnKeyDown(WPARAM vk)
{
if (vk < 256)
{
if (!m_keyState[vk]) m_keyPressedAccum[vk] = true;
m_keyState[vk] = true;
}
}
@@ -112,6 +102,7 @@ void KeyboardMouseInput::OnMouseButton(int button, bool down)
{
if (button >= 0 && button < 3)
{
if (down && !m_mouseButtons[button]) m_mousePressedAccum[button] = true;
m_mouseButtons[button] = down;
}
}
@@ -125,12 +116,14 @@ void KeyboardMouseInput::ClearAllState()
{
memset(m_keyState, 0, sizeof(m_keyState));
memset(m_mouseButtons, 0, sizeof(m_mouseButtons));
memset(m_keyPressedAccum, 0, sizeof(m_keyPressedAccum));
memset(m_mousePressedAccum, 0, sizeof(m_mousePressedAccum));
m_mouseDeltaXAccum = 0.0f;
m_mouseDeltaYAccum = 0.0f;
m_scrollDeltaAccum = 0;
}
// Key queries
// Per-frame key queries
bool KeyboardMouseInput::IsKeyDown(int vk) const
{
if (vk < 0 || vk >= 256) return false;
@@ -149,7 +142,7 @@ bool KeyboardMouseInput::IsKeyReleased(int vk) const
return !m_keyState[vk] && m_keyStatePrev[vk];
}
// Mouse button queries
// Per-frame mouse button queries
bool KeyboardMouseInput::IsMouseDown(int btn) const
{
if (btn < 0 || btn >= 3) return false;
@@ -168,10 +161,37 @@ bool KeyboardMouseInput::IsMouseReleased(int btn) const
return !m_mouseButtons[btn] && m_mouseButtonsPrev[btn];
}
// Delta queries
float KeyboardMouseInput::GetMouseDeltaX() const { return m_mouseDeltaX; }
float KeyboardMouseInput::GetMouseDeltaY() const { return m_mouseDeltaY; }
int KeyboardMouseInput::GetScrollDelta() const { return m_scrollDelta; }
// Game-tick consume methods
bool KeyboardMouseInput::ConsumeKeyPress(int vk)
{
if (vk < 0 || vk >= 256) return false;
bool pressed = m_keyPressedAccum[vk];
m_keyPressedAccum[vk] = false;
return pressed;
}
bool KeyboardMouseInput::ConsumeMousePress(int btn)
{
if (btn < 0 || btn >= 3) return false;
bool pressed = m_mousePressedAccum[btn];
m_mousePressedAccum[btn] = false;
return pressed;
}
void KeyboardMouseInput::ConsumeMouseDelta(float &dx, float &dy)
{
dx = m_mouseDeltaXAccum;
dy = m_mouseDeltaYAccum;
m_mouseDeltaXAccum = 0.0f;
m_mouseDeltaYAccum = 0.0f;
}
int KeyboardMouseInput::ConsumeScrollDelta()
{
int delta = m_scrollDeltaAccum;
m_scrollDeltaAccum = 0;
return delta;
}
// Mouse capture
void KeyboardMouseInput::SetCapture(bool capture)