forked from Dniel97/segatools
123 lines
2.9 KiB
C
123 lines
2.9 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 "idzio/backend.h"
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#include "idzio/config.h"
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#include "idzio/di.h"
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#include "idzio/idzio.h"
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#include "idzio/xi.h"
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#include "util/dprintf.h"
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#include "util/str.h"
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static HMODULE idz_io_hmodule;
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static struct idz_io_config idz_io_cfg;
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static const struct idz_io_backend *idz_io_backend;
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static bool idz_io_coin;
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static uint16_t idz_io_coins;
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HRESULT idz_io_jvs_init(void)
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{
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HRESULT hr;
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assert(idz_io_backend == NULL);
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idz_io_config_load(&idz_io_cfg, L".\\segatools.ini");
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if (wstr_ieq(idz_io_cfg.mode, L"dinput")) {
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hr = idz_di_init(&idz_io_cfg.di, idz_io_hmodule, &idz_io_backend);
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} else if (wstr_ieq(idz_io_cfg.mode, L"xinput")) {
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hr = idz_xi_init(&idz_io_backend);
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} else {
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hr = E_INVALIDARG;
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dprintf("IDZ IO: Invalid IO mode \"%S\", use dinput or xinput\n",
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idz_io_cfg.mode);
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}
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return hr;
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}
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void idz_io_jvs_read_buttons(uint8_t *opbtn_out, uint8_t *gamebtn_out)
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{
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uint8_t opbtn;
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assert(idz_io_backend != NULL);
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assert(opbtn_out != NULL);
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assert(gamebtn_out != NULL);
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opbtn = 0;
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if ( idz_io_cfg.vk_test &&
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(GetAsyncKeyState(idz_io_cfg.vk_test) & 0x8000)) {
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opbtn |= IDZ_IO_OPBTN_TEST;
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}
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if ( idz_io_cfg.vk_service &&
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(GetAsyncKeyState(idz_io_cfg.vk_service) & 0x8000)) {
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opbtn |= IDZ_IO_OPBTN_SERVICE;
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}
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*opbtn_out = opbtn;
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idz_io_backend->jvs_read_buttons(gamebtn_out);
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}
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void idz_io_jvs_read_shifter(uint8_t *gear)
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{
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assert(gear != NULL);
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assert(idz_io_backend != NULL);
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idz_io_backend->jvs_read_shifter(gear);
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}
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void idz_io_jvs_read_analogs(struct idz_io_analog_state *out)
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{
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struct idz_io_analog_state tmp;
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assert(out != NULL);
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assert(idz_io_backend != NULL);
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idz_io_backend->jvs_read_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 196 (out of 256). This
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scaling factor is applied using fixed-point arithmetic below. */
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out->wheel = (tmp.wheel * idz_io_cfg.restrict_) / 256;
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out->accel = tmp.accel;
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out->brake = tmp.brake;
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}
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void idz_io_jvs_read_coin_counter(uint16_t *out)
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{
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assert(out != NULL);
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/* Coin counter is not backend-specific */
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if ( idz_io_cfg.vk_coin &&
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(GetAsyncKeyState(idz_io_cfg.vk_coin) & 0x8000)) {
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if (!idz_io_coin) {
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idz_io_coin = true;
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idz_io_coins++;
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}
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} else {
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idz_io_coin = false;
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}
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*out = idz_io_coins;
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}
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BOOL WINAPI DllMain(HMODULE self, DWORD reason, void *ctx)
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{
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if (reason == DLL_PROCESS_ATTACH) {
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idz_io_hmodule = self;
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}
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return TRUE;
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}
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