forked from Dniel97/segatools
113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "swdcio/backend.h"
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#include "swdcio/config.h"
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#include "swdcio/di.h"
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#include "swdcio/swdcio.h"
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#include "swdcio/xi.h"
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#include "util/dprintf.h"
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#include "util/str.h"
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static struct swdc_io_config swdc_io_cfg;
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static const struct swdc_io_backend *swdc_io_backend;
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static bool swdc_io_coin;
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uint16_t swdc_io_get_api_version(void)
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{
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return 0x0100;
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}
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HRESULT swdc_io_init(void)
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{
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HINSTANCE inst;
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HRESULT hr;
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assert(swdc_io_backend == NULL);
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inst = GetModuleHandleW(NULL);
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if (inst == NULL) {
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hr = HRESULT_FROM_WIN32(GetLastError());
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dprintf("GetModuleHandleW failed: %lx\n", hr);
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return hr;
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}
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swdc_io_config_load(&swdc_io_cfg, L".\\segatools.ini");
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if (wstr_ieq(swdc_io_cfg.mode, L"dinput")) {
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hr = swdc_di_init(&swdc_io_cfg.di, inst, &swdc_io_backend);
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} else if (wstr_ieq(swdc_io_cfg.mode, L"xinput")) {
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hr = swdc_xi_init(&swdc_io_cfg.xi, &swdc_io_backend);
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} else {
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hr = E_INVALIDARG;
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dprintf("swdc IO: Invalid IO mode \"%S\", use dinput or xinput\n",
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swdc_io_cfg.mode);
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}
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return hr;
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}
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void swdc_io_get_opbtns(uint8_t *opbtn_out)
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{
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uint8_t opbtn;
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assert(swdc_io_backend != NULL);
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assert(opbtn_out != NULL);
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opbtn = 0;
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if (GetAsyncKeyState(swdc_io_cfg.vk_test) & 0x8000) {
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opbtn |= SWDC_IO_OPBTN_TEST;
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}
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if (GetAsyncKeyState(swdc_io_cfg.vk_service) & 0x8000) {
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opbtn |= SWDC_IO_OPBTN_SERVICE;
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}
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if (GetAsyncKeyState(swdc_io_cfg.vk_coin) & 0x8000) {
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if (!swdc_io_coin) {
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swdc_io_coin = true;
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opbtn |= SWDC_IO_OPBTN_COIN;
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}
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} else {
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swdc_io_coin = false;
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}
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*opbtn_out = opbtn;
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}
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void swdc_io_get_gamebtns(uint16_t *gamebtn_out)
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{
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assert(swdc_io_backend != NULL);
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assert(gamebtn_out != NULL);
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swdc_io_backend->get_gamebtns(gamebtn_out);
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}
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void swdc_io_get_analogs(struct swdc_io_analog_state *out)
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{
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struct swdc_io_analog_state tmp;
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assert(out != NULL);
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assert(swdc_io_backend != NULL);
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swdc_io_backend->get_analogs(&tmp);
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/* Apply steering wheel restriction. Real cabs only report about 77% of
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the IO-3's max ADC output value when the wheel is turned to either of
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its maximum positions. To match this behavior we set the default value
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for the wheel restriction config parameter to 97 (out of 128). This
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scaling factor is applied using fixed-point arithmetic below. */
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out->wheel = (tmp.wheel * swdc_io_cfg.restrict_) / 128;
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out->accel = tmp.accel;
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out->brake = tmp.brake;
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}
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