spicetools/games/pcm/pcm.cpp

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2024-08-28 15:10:34 +00:00
#include "pcm.h"
#include "acio/icca/icca.h"
#include "io.h"
#include "misc/wintouchemu.h"
#include "util/detour.h"
#include "util/utils.h"
#include "util/libutils.h"
#include "util/time.h"
namespace games::pcm {
uint32_t *(__cdecl *GsIo_GetState_orig)(uint32_t *state);
static double BILL_IN_TIME = 0;
static double BILL_DELAY = 2.0;
static int bill_kind = 0;
static int __cdecl BillVali_GetEscrowBillKind() {
return bill_kind;
}
static int __cdecl BillVali_GetCurrentStep() {
return 0;
}
static int __cdecl BillVali_GetError() {
return 1;
}
static char __cdecl BillVali_IsEscrowNow() {
auto &buttons = games::pcm::get_buttons();
if (GameAPI::Buttons::getState(RI_MGR, buttons[games::pcm::Buttons::Insert1000YenBill])) {
log_misc("pcm", "1000 yen bill inserted");
bill_kind = 1;
return true;
}
if (GameAPI::Buttons::getState(RI_MGR, buttons[games::pcm::Buttons::Insert2000YenBill])) {
log_misc("pcm", "2000 yen bill inserted");
bill_kind = 2;
return true;
}
if (GameAPI::Buttons::getState(RI_MGR, buttons[games::pcm::Buttons::Insert5000YenBill])) {
log_misc("pcm", "5000 yen bill inserted");
bill_kind = 3;
return true;
}
if (GameAPI::Buttons::getState(RI_MGR, buttons[games::pcm::Buttons::Insert10000YenBill])) {
log_misc("pcm", "10000 yen bill inserted");
bill_kind = 4;
return true;
}
return false;
}
static bool __cdecl BillVali_IsIdling() {
return true;
}
static bool __cdecl BillVali_IsReady() {
return true;
}
static bool __cdecl BillVali_IsWaiting() {
return BILL_IN_TIME == 0;
}
static int __cdecl BillVali_GetReceivedBill() {
if (BILL_IN_TIME == 0 && BillVali_IsEscrowNow()) {
BILL_IN_TIME = get_performance_seconds();
} else if ((BILL_IN_TIME != 0) && ((BILL_IN_TIME + BILL_DELAY) <= get_performance_seconds())) {
BILL_IN_TIME = 0;
switch (bill_kind) {
case 1:
return 1;
case 2:
return 2;
case 3:
return 5;
case 4:
return 10;
default:
return 0;
}
}
return 0;
}
static bool __cdecl BillVali_ReceiveBill(int) {
return true;
}
static bool __cdecl BillVali_ReceiveCancel() {
return true;
}
static bool __cdecl BillVali_SetAcceptBill(int) {
return true;
}
static uint32_t* __cdecl GsIo_GetState_hook(uint32_t *state) {
GsIo_GetState_orig(state);
// "bill validator is happy" flag :]
*state |= 4;
return state;
}
PCMGame::PCMGame() : Game("Charge Machine") {}
void PCMGame::attach() {
Game::attach();
// system.dll doesn't get loaded until later so load it now for hooking.
HMODULE system = libutils::try_library("system.dll");
// fix ICCA
acio::ICCA_COMPAT_ACTIVE = true;
// apply hooks
detour::trampoline("system.dll", "?GetState@GsIo@@SA?BVSTATE@1@XZ",
GsIo_GetState_hook, &GsIo_GetState_orig);
detour::inline_hook(BillVali_GetCurrentStep, libutils::try_proc(
system, "?GetCurrentStep@GsBillVali@@SAHXZ"));
detour::inline_hook(BillVali_GetError, libutils::try_proc(
system, "?GetError@GsBillVali@@SAHXZ"));
detour::inline_hook(BillVali_GetReceivedBill, libutils::try_proc(
system, "?GetReceivedBill@GsBillVali@@SAHXZ"));
detour::inline_hook(BillVali_IsEscrowNow, libutils::try_proc(
system, "?IsEscrowNow@GsBillVali@@SA_NXZ"));
detour::inline_hook(BillVali_IsIdling, libutils::try_proc(
system, "?IsIdling@GsBillVali@@SA_NXZ"));
detour::inline_hook(BillVali_IsWaiting, libutils::try_proc(
system, "?IsWaiting@GsBillVali@@SA_NXZ"));
detour::inline_hook(BillVali_IsReady, libutils::try_proc(
system, "?IsReady@GsBillVali@@SA_NXZ"));
detour::inline_hook(BillVali_ReceiveBill, libutils::try_proc(
system, "?ReceiveBill@GsBillVali@@SA_NH@Z"));
detour::inline_hook(BillVali_ReceiveCancel, libutils::try_proc(
system, "?ReceiveCancel@GsBillVali@@SAHXZ"));
detour::inline_hook(BillVali_GetEscrowBillKind, libutils::try_proc(
system, "?GetEscrowBillKind@GsBillVali@@SAHXZ"));
detour::inline_hook(BillVali_SetAcceptBill, libutils::try_proc(
system, "?SetAcceptBill@GsBillVali@@SA_NH@Z"));
}
}