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Merge pull request #18 from keithbowes/new-lightgun-api

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Updated the Zapper code
This commit is contained in:
Autechre 2021-01-02 00:04:20 +01:00 committed by GitHub
commit 5f6d854b8b
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2 changed files with 94 additions and 23 deletions
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105
libretro/libretro.cpp
View File

@ -466,6 +466,12 @@ typedef struct
unsigned nes;
} keymap;
static enum {
ZAPPER_DEVICE_LIGHTGUN,
ZAPPER_DEVICE_MOUSE,
ZAPPER_DEVICE_POINTER
} zapper_device;
static keymap bindmap_default[] = {
{ RETRO_DEVICE_ID_JOYPAD_A, Core::Input::Controllers::Pad::A },
{ RETRO_DEVICE_ID_JOYPAD_B, Core::Input::Controllers::Pad::B },
@ -514,19 +520,72 @@ static void update_input(bool supports_bitmasks)
int min_y = overscan_v ? 8 : 0;
int max_y = overscan_v ? 231 : 239;
if (zapx > max_x)
zapx = max_x;
else if (zapx < min_x)
zapx = min_x;
else
zapx += input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_X);
switch (zapper_device)
{
case ZAPPER_DEVICE_LIGHTGUN:
if (!input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN))
{
zapx = input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
zapy = input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
if (zapy > max_y)
zapy = max_y;
else if (zapy < min_y)
zapy = min_y;
else
zapy += input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_Y);
zapx = (zapx + 0x7FFF) * max_x / (0x7FFF * 2);
zapy = (zapy + 0x7FFF) * max_y / (0x7FFF * 2);
}
else
{
zapx = min_x;
zapy = min_y;
}
if (input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER)) {
input->zapper.x = zapx;
input->zapper.y = zapy;
input->zapper.fire = 1;
}
if (input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD)) {
input->zapper.x = ~1U;
input->zapper.fire = 1;
}
break;
case ZAPPER_DEVICE_MOUSE:
zapx += input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
zapy += input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
if (zapx < min_x)
zapx = min_x;
else if (zapx > max_x)
zapx = max_x;
if (zapy < min_y)
zapy = min_y;
else if (zapy > max_y)
zapy = max_y;
if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
{
input->zapper.x = zapx;
input->zapper.y = zapy;
input->zapper.fire = 1;
}
break;
case ZAPPER_DEVICE_POINTER:
zapx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
zapy = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
zapx = (zapx + 0x7FFF) * max_x / (0x7FFF * 2);
zapy = (zapy + 0x7FFF) * max_y / (0x7FFF * 2);
if (input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_PRESSED))
{
input->zapper.x = zapx;
input->zapper.y = zapy;
input->zapper.fire = 1;
}
break;
default:
break;
}
if (zapx > max_x) { crossx = max_x; }
else if (zapx < min_x) { crossx = min_x; }
@ -535,17 +594,6 @@ static void update_input(bool supports_bitmasks)
if (zapy > max_y) { crossy = max_y; }
else if (zapy < min_y) { crossy = min_y; }
else {crossy = zapy; }
if (input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER)) {
input->zapper.x = zapx;
input->zapper.y = zapy;
input->zapper.fire = 1;
}
if (input_state_cb(1, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD)) {
input->zapper.x = ~1U;
input->zapper.fire = 1;
}
}
static unsigned tstate = 2;
@ -648,6 +696,17 @@ static void check_variables(void)
Api::Machine machine(emulator);
Api::Video::RenderState::Filter filter;
var.key = "nestopia_zapper_device";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
{
if (strcmp(var.value, "lightgun") == 0)
zapper_device = ZAPPER_DEVICE_LIGHTGUN;
if (strcmp(var.value, "mouse") == 0)
zapper_device = ZAPPER_DEVICE_MOUSE;
else if (strcmp(var.value, "pointer") == 0)
zapper_device = ZAPPER_DEVICE_POINTER;
}
var.key = "nestopia_button_shift";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))

12
libretro/libretro_core_options.h
View File

@ -212,6 +212,18 @@ struct retro_core_option_definition option_defs_us[] = {
},
"disabled"
},
{
"nestopia_zapper_device",
"Zapper device",
"Select the device you wish to use for the Zapper.",
{
{ "lightgun", NULL },
{ "mouse", NULL },
{ "pointer", NULL },
{ NULL, NULL },
},
"lightgun",
},
{
"nestopia_turbo_pulse",
"Turbo Pulse Speed",