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bsnes/ruby/input/directinput.cpp

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#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
namespace ruby {
static BOOL CALLBACK DI_EnumJoypadsCallback(const DIDEVICEINSTANCE*, void*);
static BOOL CALLBACK DI_EnumJoypadAxesCallback(const DIDEVICEOBJECTINSTANCE*, void*);
using namespace nall;
class pInputDI {
public:
struct {
LPDIRECTINPUT8 context;
LPDIRECTINPUTDEVICE8 keyboard;
LPDIRECTINPUTDEVICE8 mouse;
LPDIRECTINPUTDEVICE8 gamepad[Joypad::Count];
bool mouseacquired;
} device;
struct {
HWND handle;
} settings;
bool cap(const string& name) {
if(name == Input::Handle) return true;
if(name == Input::KeyboardSupport) return true;
if(name == Input::MouseSupport) return true;
if(name == Input::JoypadSupport) return true;
return false;
}
any get(const string& name) {
if(name == Input::Handle) return (uintptr_t)settings.handle;
return false;
}
bool set(const string& name, const any& value) {
if(name == Input::Handle) {
settings.handle = (HWND)any_cast<uintptr_t>(value);
return true;
}
return false;
}
bool poll(int16_t *table) {
memset(table, 0, Scancode::Limit * sizeof(int16_t));
//========
//Keyboard
//========
if(device.keyboard) {
uint8_t state[256];
if(FAILED(device.keyboard->GetDeviceState(sizeof state, state))) {
device.keyboard->Acquire();
if(FAILED(device.keyboard->GetDeviceState(sizeof state, state))) {
memset(state, 0, sizeof state);
}
}
#define key(id) table[keyboard(0)[id]]
key(Keyboard::Escape) = (bool)(state[0x01] & 0x80);
key(Keyboard::F1 ) = (bool)(state[0x3b] & 0x80);
key(Keyboard::F2 ) = (bool)(state[0x3c] & 0x80);
key(Keyboard::F3 ) = (bool)(state[0x3d] & 0x80);
key(Keyboard::F4 ) = (bool)(state[0x3e] & 0x80);
key(Keyboard::F5 ) = (bool)(state[0x3f] & 0x80);
key(Keyboard::F6 ) = (bool)(state[0x40] & 0x80);
key(Keyboard::F7 ) = (bool)(state[0x41] & 0x80);
key(Keyboard::F8 ) = (bool)(state[0x42] & 0x80);
key(Keyboard::F9 ) = (bool)(state[0x43] & 0x80);
key(Keyboard::F10 ) = (bool)(state[0x44] & 0x80);
key(Keyboard::F11 ) = (bool)(state[0x57] & 0x80);
key(Keyboard::F12 ) = (bool)(state[0x58] & 0x80);
key(Keyboard::PrintScreen) = (bool)(state[0xb7] & 0x80);
key(Keyboard::ScrollLock ) = (bool)(state[0x46] & 0x80);
key(Keyboard::Pause ) = (bool)(state[0xc5] & 0x80);
key(Keyboard::Tilde ) = (bool)(state[0x29] & 0x80);
key(Keyboard::Num1) = (bool)(state[0x02] & 0x80);
key(Keyboard::Num2) = (bool)(state[0x03] & 0x80);
key(Keyboard::Num3) = (bool)(state[0x04] & 0x80);
key(Keyboard::Num4) = (bool)(state[0x05] & 0x80);
key(Keyboard::Num5) = (bool)(state[0x06] & 0x80);
key(Keyboard::Num6) = (bool)(state[0x07] & 0x80);
key(Keyboard::Num7) = (bool)(state[0x08] & 0x80);
key(Keyboard::Num8) = (bool)(state[0x09] & 0x80);
key(Keyboard::Num9) = (bool)(state[0x0a] & 0x80);
key(Keyboard::Num0) = (bool)(state[0x0b] & 0x80);
key(Keyboard::Dash ) = (bool)(state[0x0c] & 0x80);
key(Keyboard::Equal ) = (bool)(state[0x0d] & 0x80);
key(Keyboard::Backspace) = (bool)(state[0x0e] & 0x80);
key(Keyboard::Insert ) = (bool)(state[0xd2] & 0x80);
key(Keyboard::Delete ) = (bool)(state[0xd3] & 0x80);
key(Keyboard::Home ) = (bool)(state[0xc7] & 0x80);
key(Keyboard::End ) = (bool)(state[0xcf] & 0x80);
key(Keyboard::PageUp ) = (bool)(state[0xc9] & 0x80);
key(Keyboard::PageDown) = (bool)(state[0xd1] & 0x80);
key(Keyboard::A) = (bool)(state[0x1e] & 0x80);
key(Keyboard::B) = (bool)(state[0x30] & 0x80);
key(Keyboard::C) = (bool)(state[0x2e] & 0x80);
key(Keyboard::D) = (bool)(state[0x20] & 0x80);
key(Keyboard::E) = (bool)(state[0x12] & 0x80);
key(Keyboard::F) = (bool)(state[0x21] & 0x80);
key(Keyboard::G) = (bool)(state[0x22] & 0x80);
key(Keyboard::H) = (bool)(state[0x23] & 0x80);
key(Keyboard::I) = (bool)(state[0x17] & 0x80);
key(Keyboard::J) = (bool)(state[0x24] & 0x80);
key(Keyboard::K) = (bool)(state[0x25] & 0x80);
key(Keyboard::L) = (bool)(state[0x26] & 0x80);
key(Keyboard::M) = (bool)(state[0x32] & 0x80);
key(Keyboard::N) = (bool)(state[0x31] & 0x80);
key(Keyboard::O) = (bool)(state[0x18] & 0x80);
key(Keyboard::P) = (bool)(state[0x19] & 0x80);
key(Keyboard::Q) = (bool)(state[0x10] & 0x80);
key(Keyboard::R) = (bool)(state[0x13] & 0x80);
key(Keyboard::S) = (bool)(state[0x1f] & 0x80);
key(Keyboard::T) = (bool)(state[0x14] & 0x80);
key(Keyboard::U) = (bool)(state[0x16] & 0x80);
key(Keyboard::V) = (bool)(state[0x2f] & 0x80);
key(Keyboard::W) = (bool)(state[0x11] & 0x80);
key(Keyboard::X) = (bool)(state[0x2d] & 0x80);
key(Keyboard::Y) = (bool)(state[0x15] & 0x80);
key(Keyboard::Z) = (bool)(state[0x2c] & 0x80);
key(Keyboard::LeftBracket ) = (bool)(state[0x1a] & 0x80);
key(Keyboard::RightBracket) = (bool)(state[0x1b] & 0x80);
key(Keyboard::Backslash ) = (bool)(state[0x2b] & 0x80);
key(Keyboard::Semicolon ) = (bool)(state[0x27] & 0x80);
key(Keyboard::Apostrophe ) = (bool)(state[0x28] & 0x80);
key(Keyboard::Comma ) = (bool)(state[0x33] & 0x80);
key(Keyboard::Period ) = (bool)(state[0x34] & 0x80);
key(Keyboard::Slash ) = (bool)(state[0x35] & 0x80);
key(Keyboard::Keypad1) = (bool)(state[0x4f] & 0x80);
key(Keyboard::Keypad2) = (bool)(state[0x50] & 0x80);
key(Keyboard::Keypad3) = (bool)(state[0x51] & 0x80);
key(Keyboard::Keypad4) = (bool)(state[0x4b] & 0x80);
key(Keyboard::Keypad5) = (bool)(state[0x4c] & 0x80);
key(Keyboard::Keypad6) = (bool)(state[0x4d] & 0x80);
key(Keyboard::Keypad7) = (bool)(state[0x47] & 0x80);
key(Keyboard::Keypad8) = (bool)(state[0x48] & 0x80);
key(Keyboard::Keypad9) = (bool)(state[0x49] & 0x80);
key(Keyboard::Keypad0) = (bool)(state[0x52] & 0x80);
key(Keyboard::Point ) = (bool)(state[0x53] & 0x80);
key(Keyboard::Add ) = (bool)(state[0x4e] & 0x80);
key(Keyboard::Subtract) = (bool)(state[0x4a] & 0x80);
key(Keyboard::Multiply) = (bool)(state[0x37] & 0x80);
key(Keyboard::Divide ) = (bool)(state[0xb5] & 0x80);
key(Keyboard::Enter ) = (bool)(state[0x9c] & 0x80);
key(Keyboard::NumLock ) = (bool)(state[0x45] & 0x80);
key(Keyboard::CapsLock) = (bool)(state[0x3a] & 0x80);
key(Keyboard::Up ) = (bool)(state[0xc8] & 0x80);
key(Keyboard::Down ) = (bool)(state[0xd0] & 0x80);
key(Keyboard::Left ) = (bool)(state[0xcb] & 0x80);
key(Keyboard::Right) = (bool)(state[0xcd] & 0x80);
key(Keyboard::Tab ) = (bool)(state[0x0f] & 0x80);
key(Keyboard::Return ) = (bool)(state[0x1c] & 0x80);
key(Keyboard::Spacebar) = (bool)(state[0x39] & 0x80);
key(Keyboard::Menu ) = (bool)(state[0xdd] & 0x80);
key(Keyboard::Shift ) = (bool)(state[0x2a] & 0x80) || (bool)(state[0x36] & 0x80);
key(Keyboard::Control) = (bool)(state[0x1d] & 0x80) || (bool)(state[0x9d] & 0x80);
key(Keyboard::Alt ) = (bool)(state[0x38] & 0x80) || (bool)(state[0xb8] & 0x80);
key(Keyboard::Super ) = (bool)(state[0xdb] & 0x80) || (bool)(state[0xdc] & 0x80);
#undef key
}
//=====
//Mouse
//=====
if(device.mouse) {
DIMOUSESTATE2 state;
if(FAILED(device.mouse->GetDeviceState(sizeof(DIMOUSESTATE2), (void*)&state))) {
device.mouse->Acquire();
if(FAILED(device.mouse->GetDeviceState(sizeof(DIMOUSESTATE2), (void*)&state))) {
memset(&state, 0, sizeof(DIMOUSESTATE2));
}
}
table[mouse(0).axis(0)] = state.lX;
table[mouse(0).axis(1)] = state.lY;
table[mouse(0).axis(2)] = state.lZ / WHEEL_DELTA;
for(unsigned n = 0; n < Mouse::Buttons; n++) {
table[mouse(0).button(n)] = (bool)state.rgbButtons[n];
}
//on Windows, 0 = left, 1 = right, 2 = middle
//swap middle and right buttons for consistency with Linux
int16_t temp = table[mouse(0).button(1)];
table[mouse(0).button(1)] = table[mouse(0).button(2)];
table[mouse(0).button(2)] = temp;
}
//=========
//Joypad(s)
//=========
for(unsigned i = 0; i < Joypad::Count; i++) {
if(!device.gamepad[i]) continue;
if(FAILED(device.gamepad[i]->Poll())) {
device.gamepad[i]->Acquire();
continue;
}
DIJOYSTATE2 state;
device.gamepad[i]->GetDeviceState(sizeof(DIJOYSTATE2), &state);
//POV hats
for(unsigned n = 0; n < min((unsigned)Joypad::Hats, 4); n++) {
//POV value is in clockwise-hundredth degree units.
unsigned pov = state.rgdwPOV[n];
//some drivers report a centered POV hat as -1U, others as 65535U.
//>= 36000 will match both, as well as invalid ranges.
if(pov < 36000) {
if(pov >= 31500 || pov <= 4500) table[joypad(i).hat(n)] |= Joypad::HatUp;
if(pov >= 4500 && pov <= 13500) table[joypad(i).hat(n)] |= Joypad::HatRight;
if(pov >= 13500 && pov <= 22500) table[joypad(i).hat(n)] |= Joypad::HatDown;
if(pov >= 22500 && pov <= 31500) table[joypad(i).hat(n)] |= Joypad::HatLeft;
}
}
//axes
table[joypad(i).axis(0)] = state.lX;
table[joypad(i).axis(1)] = state.lY;
table[joypad(i).axis(2)] = state.lZ;
table[joypad(i).axis(3)] = state.lRx;
table[joypad(i).axis(4)] = state.lRy;
table[joypad(i).axis(5)] = state.lRz;
//buttons
for(unsigned n = 0; n < min((unsigned)Joypad::Buttons, 128); n++) {
table[joypad(i).button(n)] = (bool)state.rgbButtons[n];
}
}
return true;
}
bool init_joypad(const DIDEVICEINSTANCE *instance) {
unsigned n;
for(n = 0; n < Joypad::Count; n++) { if(!device.gamepad[n]) break; }
if(n >= Joypad::Count) return DIENUM_STOP;
if(FAILED(device.context->CreateDevice(instance->guidInstance, &device.gamepad[n], 0))) {
return DIENUM_CONTINUE; //continue and try next gamepad
}
device.gamepad[n]->SetDataFormat(&c_dfDIJoystick2);
device.gamepad[n]->SetCooperativeLevel(settings.handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
device.gamepad[n]->EnumObjects(DI_EnumJoypadAxesCallback, (void*)this, DIDFT_ABSAXIS);
return DIENUM_CONTINUE;
}
bool init_axis(const DIDEVICEOBJECTINSTANCE *instance) {
signed n;
for(n = Joypad::Count - 1; n >= 0; n--) { if(device.gamepad[n]) break; }
if(n < 0) return DIENUM_STOP;
DIPROPRANGE range;
range.diph.dwSize = sizeof(DIPROPRANGE);
range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
range.diph.dwHow = DIPH_BYID;
range.diph.dwObj = instance->dwType;
range.lMin = -32768;
range.lMax = +32767;
device.gamepad[n]->SetProperty(DIPROP_RANGE, &range.diph);
return DIENUM_CONTINUE;
}
bool init() {
device.context = 0;
device.keyboard = 0;
device.mouse = 0;
for(unsigned i = 0; i < Joypad::Count; i++) device.gamepad[i] = 0;
device.mouseacquired = false;
DirectInput8Create(GetModuleHandle(0), 0x0800, IID_IDirectInput8, (void**)&device.context, 0);
device.context->CreateDevice(GUID_SysKeyboard, &device.keyboard, 0);
device.keyboard->SetDataFormat(&c_dfDIKeyboard);
device.keyboard->SetCooperativeLevel(settings.handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
device.keyboard->Acquire();
device.context->CreateDevice(GUID_SysMouse, &device.mouse, 0);
device.mouse->SetDataFormat(&c_dfDIMouse2);
HRESULT hr = device.mouse->SetCooperativeLevel(settings.handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
device.mouse->Acquire();
device.context->EnumDevices(DI8DEVCLASS_GAMECTRL, DI_EnumJoypadsCallback, (void*)this, DIEDFL_ATTACHEDONLY);
return true;
}
void term() {
if(device.keyboard) {
device.keyboard->Unacquire();
device.keyboard->Release();
device.keyboard = 0;
}
if(device.mouse) {
device.mouse->Unacquire();
device.mouse->Release();
device.mouse = 0;
}
for(unsigned i = 0; i < Joypad::Count; i++) {
if(device.gamepad[i]) {
device.gamepad[i]->Unacquire();
device.gamepad[i]->Release();
device.gamepad[i] = 0;
}
}
if(device.context) {
device.context->Release();
device.context = 0;
}
}
bool acquire() {
if(!device.mouse) return false;
if(acquired() == false) {
device.mouse->Unacquire();
device.mouse->SetCooperativeLevel(settings.handle, DISCL_EXCLUSIVE | DISCL_FOREGROUND);
device.mouse->Acquire();
device.mouseacquired = true;
}
return true;
}
bool unacquire() {
if(!device.mouse) return false;
if(acquired() == true) {
device.mouse->Unacquire();
device.mouse->SetCooperativeLevel(settings.handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
device.mouse->Acquire();
device.mouseacquired = false;
}
return true;
}
bool acquired() {
return device.mouseacquired;
}
pInputDI() {
device.context = 0;
device.keyboard = 0;
device.mouse = 0;
for(unsigned i = 0; i < Joypad::Count; i++) device.gamepad[i] = 0;
device.mouseacquired = false;
settings.handle = 0;
}
~pInputDI() { term(); }
};
BOOL CALLBACK DI_EnumJoypadsCallback(const DIDEVICEINSTANCE *instance, void *p) {
return ((pInputDI*)p)->init_joypad(instance);
}
BOOL CALLBACK DI_EnumJoypadAxesCallback(const DIDEVICEOBJECTINSTANCE *instance, void *p) {
return ((pInputDI*)p)->init_axis(instance);
}
DeclareInput(DI)
};
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