libretro/nestopia
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libretro: Per-controller turbo states

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This commit is contained in:
Rupert Carmichael
2024-02-17 20:56:04 -05:00
parent 78587dbd89
commit 2cef539e0d
1 changed files with 13 additions and 7 deletions
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20
libretro/libretro.cpp
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@@ -69,12 +69,12 @@ static bool libretro_supports_option_categories = false;
static unsigned aspect_ratio_mode;
static unsigned tpulse; // A/B Button turbo pulse width in frames
static unsigned char tstate = 2; // A/B Button turbo pulse width counter 0 => lo, !0 => hi, in range [0, tpulse]
static unsigned char tstate[4] = { 2, 2, 2, 2 }; // A/B Button turbo pulse width counter 0 => lo, !0 => hi, in range [0, tpulse]
static int cur_x = 0; // Absolute x coordinate of zapper/arkanoid in pixels
static int cur_y = 0; // Absolute y coordinate of zapper in pixels
static unsigned char prevL = false; // => L Button is held; controls famicon disc drive
static unsigned char prevR = false; // => R Button is held; controls famicon disc drive
static const int tracked_input_state_size_bytes = 5; // Send the 5 previous fields as unsigned char
static const int tracked_input_state_size_bytes = 8; // Send the 8 previous fields as unsigned char
static size_t state_size = 0;
static enum {
@@ -638,9 +638,9 @@ static bool NST_CALLBACK gamepad_callback(Api::Base::UserData data, Core::Input:
for (unsigned bind = 0; bind < sizeof(bindmap_default) / sizeof(bindmap[0]); bind++)
buttons |= (ret & (1 << bindmap[bind].retro)) ? bindmap[bind].nes : 0;
if (ret & (1 << bindmap[2].retro))
tstate ? buttons &= ~Core::Input::Controllers::Pad::A : buttons |= Core::Input::Controllers::Pad::A;
tstate[port] ? buttons &= ~Core::Input::Controllers::Pad::A : buttons |= Core::Input::Controllers::Pad::A;
if (ret & (1 << bindmap[3].retro))
tstate ? buttons &= ~Core::Input::Controllers::Pad::B : buttons |= Core::Input::Controllers::Pad::B;
tstate[port] ? buttons &= ~Core::Input::Controllers::Pad::B : buttons |= Core::Input::Controllers::Pad::B;
pad.buttons = buttons;
buttons = 0;
@@ -651,7 +651,7 @@ static bool NST_CALLBACK gamepad_callback(Api::Base::UserData data, Core::Input:
pressed_l3 = ret & (1 << RETRO_DEVICE_ID_JOYPAD_L3);
}
if (tstate) tstate--; else tstate = tpulse;
if (tstate[port]) tstate[port]--; else tstate[port] = tpulse;
if (pressed_l3)
buttons = pad.mic | 0x04;
@@ -1754,7 +1754,10 @@ bool retro_serialize(void *data, size_t size)
unsigned char *tracked_input_state_ptr = reinterpret_cast<unsigned char*>(data) + state.size();
*tracked_input_state_ptr++ = tstate;
*tracked_input_state_ptr++ = tstate[0];
*tracked_input_state_ptr++ = tstate[1];
*tracked_input_state_ptr++ = tstate[2];
*tracked_input_state_ptr++ = tstate[3];
*tracked_input_state_ptr++ = (unsigned char) cur_x;
*tracked_input_state_ptr++ = (unsigned char) cur_y;
*tracked_input_state_ptr++ = prevL;
@@ -1776,7 +1779,10 @@ bool retro_unserialize(const void *data, size_t size)
if (size < retro_serialize_size()) {
unsigned char const *tracked_input_state_ptr =
reinterpret_cast<unsigned char const*>(data) + nestopia_savestate_size;
tstate = *tracked_input_state_ptr++;
tstate[0] = *tracked_input_state_ptr++;
tstate[1] = *tracked_input_state_ptr++;
tstate[2] = *tracked_input_state_ptr++;
tstate[3] = *tracked_input_state_ptr++;
cur_x = (int) *tracked_input_state_ptr++;
cur_y = (int) *tracked_input_state_ptr++;
prevL = *tracked_input_state_ptr++;