spicetools/games/otoca/p4io.cpp

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2024-08-28 15:10:34 +00:00
#include "p4io.h"
#include "util/logging.h"
#include "util/detour.h"
#include "misc/eamuse.h"
#include "acio/icca/icca.h"
#include "rawinput/rawinput.h"
#include "io.h"
namespace games::otoca {
// button mapping
static size_t MAPPING[] {
~0u,
Buttons::Test,
Buttons::Service,
Buttons::CoinMech,
~0u,
Buttons::LeverUp,
Buttons::LeverDown,
Buttons::LeverLeft,
Buttons::LeverRight,
Buttons::ButtonLeft,
Buttons::ButtonRight,
~0u,
~0u,
};
static uint8_t INPUT_STATE[std::size(MAPPING)] {};
static uint8_t *CARD_DATA = nullptr;
static int __cdecl P4io_Boot_step() {
return 1;
}
static int __cdecl P4ioInputIsOn(int input_no) {
if (input_no < (int) std::size(MAPPING)) {
return INPUT_STATE[input_no] > 0 && INPUT_STATE[input_no] < 3;
}
return 0;
}
static bool __cdecl P4ioInputIsOnTrg(int input_no) {
if (input_no < (int) std::size(MAPPING)) {
return INPUT_STATE[input_no] == 1;
}
return 0;
}
static bool __cdecl P4ioInputIsOffTrg(int input_no) {
if (input_no < (int) std::size(MAPPING)) {
return INPUT_STATE[input_no] == 3;
}
return 0;
}
static void __cdecl P4ioInput_Polling() {
auto &buttons = get_buttons();
for (size_t i = 0; i < std::size(MAPPING); i++) {
if (MAPPING[i] != ~0u) {
// reset release event
if (INPUT_STATE[i] == 3) {
INPUT_STATE[i] = 0;
}
// apply new button state
auto state = GameAPI::Buttons::getState(RI_MGR, buttons.at(MAPPING[i]));
if (state && INPUT_STATE[i] < 2) {
INPUT_STATE[i]++;
} else if (!state && INPUT_STATE[i] > 0 && INPUT_STATE[i] < 3) {
INPUT_STATE[i] = 3;
}
}
}
}
static int __cdecl P4ioOutputPolling(uint32_t data) {
auto &lights = get_lights();
GameAPI::Lights::writeLight(RI_MGR, lights.at(Lights::LeftButton), (data & 1) ? 1.f : 0.f);
GameAPI::Lights::writeLight(RI_MGR, lights.at(Lights::RightButton), (data & 2) ? 1.f : 0.f);
RI_MGR->devices_flush_output();
return 0;
}
static int __cdecl P4ioCoinCount() {
return eamuse_coin_get_stock();
}
static bool __cdecl P4ioInputIsICCardHold() {
bool kb_insert_press = false;
// eamio keypress
kb_insert_press |= eamuse_get_keypad_state(0) & (1 << EAM_IO_INSERT);
// check for card
if (CARD_DATA == nullptr && (eamuse_card_insert_consume(1, 0) || kb_insert_press)) {
auto card = new uint8_t[8];
if (!eamuse_get_card(1, 0, card)) {
// invalid card found
delete[] card;
} else {
CARD_DATA = card;
}
}
// check if hold
return CARD_DATA != nullptr;
}
static void __cdecl P4ioInputIsICCardRead(uint8_t *data) {
if (CARD_DATA != nullptr) {
memcpy(data, CARD_DATA, 8);
}
}
void p4io_hook() {
detour::iat_try("?P4io_Boot_step@@YA?AW4P4IO_STATUS@@XZ", P4io_Boot_step);
detour::iat_try("?P4ioInputIsOn@@YAHH@Z", P4ioInputIsOn);
detour::iat_try("?P4ioInputIsOnTrg@@YAHH@Z", P4ioInputIsOnTrg);
detour::iat_try("?P4ioInputIsOffTrg@@YAHH@Z", P4ioInputIsOffTrg);
detour::iat_try("?P4ioInput_Polling@@YAXXZ", P4ioInput_Polling);
detour::iat_try("?P4ioOutputPolling@@YAHU_P4IO_POLLING_DATA_t@@@Z", P4ioOutputPolling);
detour::iat_try("?P4ioCoinCount@@YAHXZ", P4ioCoinCount);
detour::iat_try("?P4ioInputIsICCardHold@@YA_NXZ", (void*) P4ioInputIsICCardHold);
detour::iat_try("?P4ioInputIsICCardRead@@YAXPAU_P4IO_ICCARDDATA@@@Z", P4ioInputIsICCardRead);
}
}