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Include chu2to3 engine

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This commit is contained in:
CrazyRedMachine
2023-12-24 08:10:29 -05:00
parent d4372fa5c2
commit ee414d122b
11 changed files with 532 additions and 37 deletions
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88
chusanhook/chuni-dll.c
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@ -39,6 +39,50 @@ const struct dll_bind_sym chuni_dll_syms[] = {
}
};
const struct dll_bind_sym chu2to3_dll_syms[] = {
{
.sym = "chu2to3_io_jvs_init",
.off = offsetof(struct chuni_dll, jvs_init),
}, {
.sym = "chu2to3_io_jvs_poll",
.off = offsetof(struct chuni_dll, jvs_poll),
}, {
.sym = "chu2to3_io_jvs_read_coin_counter",
.off = offsetof(struct chuni_dll, jvs_read_coin_counter),
}, {
.sym = "chu2to3_io_slider_init",
.off = offsetof(struct chuni_dll, slider_init),
}, {
.sym = "chu2to3_io_slider_start",
.off = offsetof(struct chuni_dll, slider_start),
}, {
.sym = "chu2to3_io_slider_stop",
.off = offsetof(struct chuni_dll, slider_stop),
}, {
.sym = "chu2to3_io_slider_set_leds",
.off = offsetof(struct chuni_dll, slider_set_leds),
}, {
.sym = "chu2to3_io_led_init",
.off = offsetof(struct chuni_dll, led_init),
}, {
.sym = "chu2to3_io_led_set_colors",
.off = offsetof(struct chuni_dll, led_set_leds),
}
};
/* Helper function to determine upon dll_bind failure whether the required functions were found
NOTE: relies on symbols order declared above */
static HRESULT has_enough_symbols(uint16_t version, uint8_t count)
{
if ( version <= 0x0101 && count == 7 )
return S_OK;
if ( version >= 0x0102 && count == 9 )
return S_OK;
return E_FAIL;
}
struct chuni_dll chuni_dll;
// Copypasta DLL binding and diagnostic message boilerplate.
@ -58,7 +102,12 @@ HRESULT chuni_dll_init(const struct chuni_dll_config *cfg, HINSTANCE self)
assert(cfg != NULL);
assert(self != NULL);
if (cfg->path[0] != L'\0') {
owned = NULL;
src = self;
if (cfg->chu2to3) {
dprintf("Chunithm IO: using chu2to3 engine for IO DLL: %S\n", cfg->path);
} else if (cfg->path[0] != L'\0') {
owned = LoadLibraryW(cfg->path);
if (owned == NULL) {
@ -72,12 +121,18 @@ HRESULT chuni_dll_init(const struct chuni_dll_config *cfg, HINSTANCE self)
dprintf("Chunithm IO: Using custom IO DLL: %S\n", cfg->path);
src = owned;
} else {
owned = NULL;
src = self;
}
get_api_version = (void *) GetProcAddress(src, "chuni_io_get_api_version");
if (cfg->chu2to3) {
if (chu2to3_load_dll(cfg->path) != 0)
dprintf("Could not init chu2to3 engine\n");
get_api_version = (void *) GetProcAddress(src, "chu2to3_io_get_api_version");
}
else
{
get_api_version = (void *) GetProcAddress(src, "chuni_io_get_api_version");
}
if (get_api_version != NULL) {
chuni_dll.api_version = get_api_version();
@ -97,17 +152,26 @@ HRESULT chuni_dll_init(const struct chuni_dll_config *cfg, HINSTANCE self)
goto end;
}
sym = chuni_dll_syms;
sym = cfg->chu2to3 ? chu2to3_dll_syms : chuni_dll_syms;
const struct dll_bind_sym *init_sym = &sym[0];
hr = dll_bind(&chuni_dll, src, &sym, _countof(chuni_dll_syms));
if (FAILED(hr)) {
if (src != self) {
dprintf("Chunithm IO: Custom IO DLL does not provide function "
"\"%s\". Please contact your IO DLL's developer for "
"further assistance.\n",
sym->sym);
goto end;
// Might still be ok depending on external dll API version
int bind_count = sym - init_sym;
if ( has_enough_symbols(chuni_dll.api_version, bind_count) == S_OK )
{
hr = S_OK;
} else {
dprintf("Chunithm IO: Custom IO DLL does not provide function "
"\"%s\". Please contact your IO DLL's developer for "
"further assistance.\n",
sym->sym);
dprintf("imported %d symbols\n",bind_count);
goto end;
}
} else {
dprintf("Internal error: could not reflect \"%s\"\n", sym->sym);
}