76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
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/* Copyright holders: Sarah Walker, Tenshi
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see COPYING for more details
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*/
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#define DIRECTINPUT_VERSION 0x0800
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#include <dinput.h>
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#include "plat_mouse.h"
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#include "win.h"
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extern "C" int video_fullscreen;
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extern "C" void fatal(const char *format, ...);
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extern "C" void pclog(const char *format, ...);
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extern "C" void mouse_init();
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extern "C" void mouse_close();
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extern "C" void mouse_poll_host();
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extern "C" void mouse_get_mickeys(int *x, int *y, int *z);
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static LPDIRECTINPUT8 lpdi;
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static LPDIRECTINPUTDEVICE8 lpdi_mouse = NULL;
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static DIMOUSESTATE mousestate;
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static int mouse_x = 0, mouse_y = 0, mouse_z = 0;
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int mouse_buttons = 0;
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void mouse_init()
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{
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atexit(mouse_close);
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if (FAILED(DirectInput8Create(hinstance, DIRECTINPUT_VERSION, IID_IDirectInput8A, (void **) &lpdi, NULL)))
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fatal("mouse_init : DirectInputCreate failed\n");
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if (FAILED(lpdi->CreateDevice(GUID_SysMouse, &lpdi_mouse, NULL)))
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fatal("mouse_init : CreateDevice failed\n");
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if (FAILED(lpdi_mouse->SetCooperativeLevel(ghwnd, DISCL_FOREGROUND | (video_fullscreen ? DISCL_EXCLUSIVE : DISCL_NONEXCLUSIVE))))
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fatal("mouse_init : SetCooperativeLevel failed\n");
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if (FAILED(lpdi_mouse->SetDataFormat(&c_dfDIMouse)))
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fatal("mouse_init : SetDataFormat failed\n");
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}
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void mouse_close()
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{
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if (lpdi_mouse)
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{
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lpdi_mouse->Release();
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lpdi_mouse = NULL;
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}
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}
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void mouse_poll_host()
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{
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if (FAILED(lpdi_mouse->GetDeviceState(sizeof(DIMOUSESTATE), (LPVOID)&mousestate)))
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{
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lpdi_mouse->Acquire();
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lpdi_mouse->GetDeviceState(sizeof(DIMOUSESTATE), (LPVOID)&mousestate);
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}
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mouse_buttons = 0;
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if (mousestate.rgbButtons[0] & 0x80)
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mouse_buttons |= 1;
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if (mousestate.rgbButtons[1] & 0x80)
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mouse_buttons |= 2;
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if (mousestate.rgbButtons[2] & 0x80)
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mouse_buttons |= 4;
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mouse_x += mousestate.lX;
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mouse_y += mousestate.lY;
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mouse_z += mousestate.lZ/120;
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if (!mousecapture && !video_fullscreen)
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mouse_x = mouse_y = mouse_buttons = 0;
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}
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void mouse_get_mickeys(int *x, int *y, int *z)
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{
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*x = mouse_x;
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*y = mouse_y;
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*z = mouse_z;
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mouse_x = mouse_y = mouse_z = 0;
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}
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