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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
#pragma once
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/* INITIAL D ZERO CUSTOM IO API
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This API definition allows custom driver DLLs to be defined for the
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emulation of Initial D Zero cabinets. To be honest, there is very
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little reason to want to do this, since driving game controllers are a
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mostly-standardized PC peripheral which can be adequately controlled by the
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built-in DirectInput and XInput support in idzhook. However, previous
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versions of Segatools broke this functionality out into a separate DLL just
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like all of the other supported games, so in the interests of maintaining
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backwards compatibility we provide the option to load custom IDZIO
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implementations as well. */
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#include <windows.h>
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#include <stdint.h>
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enum {
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IDZ_IO_OPBTN_TEST = 0x01,
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IDZ_IO_OPBTN_SERVICE = 0x02,
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};
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enum {
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IDZ_IO_GAMEBTN_UP = 0x01,
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IDZ_IO_GAMEBTN_DOWN = 0x02,
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IDZ_IO_GAMEBTN_LEFT = 0x04,
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IDZ_IO_GAMEBTN_RIGHT = 0x08,
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IDZ_IO_GAMEBTN_START = 0x10,
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IDZ_IO_GAMEBTN_VIEW_CHANGE = 0x20,
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};
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struct idz_io_analog_state {
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/* Current steering wheel position, where zero is the centered position.
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The game will accept any signed 16-bit position value, however a real
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cabinet will report a value of approximately +/- 25230 when the wheel
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is at full lock. Steering wheel positions of a magnitude greater than
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this value are not possible on a real cabinet. */
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int16_t wheel;
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/* Current position of the accelerator pedal, where 0 is released. */
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uint16_t accel;
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/* Current position of the brake pedal, where 0 is released. */
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uint16_t brake;
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};
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/* Get the version of the IDZ IO API that this DLL supports. This
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function should return a positive 16-bit integer, where the high byte is
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the major version and the low byte is the minor version (as defined by the
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Semantic Versioning standard).
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The latest API version as of this writing is 0x0100. */
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uint16_t idz_io_get_api_version(void);
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/* Initialize JVS-based input. This function will be called before any other
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idz_io_jvs_*() function calls. Errors returned from this function will
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manifest as a disconnected JVS bus.
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All subsequent calls may originate from arbitrary threads and some may
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overlap with each other. Ensuring synchronization inside your IO DLL is
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your responsibility.
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Minimum API version: 0x0100 */
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HRESULT idz_io_jvs_init(void);
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/* Poll the current state of the cabinet's JVS analog inputs. See structure
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definition above for details.
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Minimum API version: 0x0100 */
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void idz_io_jvs_read_analogs(struct idz_io_analog_state *out);
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/* Poll the current state of the cabinet's JVS input buttons and return them
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through the opbtn and gamebtn out parameters. See enum definitions at the
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top of this file for a list of bit masks to be used with these out
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parameters.
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Minimum API version: 0x0100 */
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void idz_io_jvs_read_buttons(uint8_t *opbtn, uint8_t *gamebtn);
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/* Poll the current position of the six-speed shifter and return it via the
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gear out parameter. Valid values are 0 for neutral and 1-6 for gears 1-6.
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idzhook internally translates this gear position value into the correct
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combination of Gear Left, Gear Right, Gear Up, Gear Down buttons that the
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game will then interpret as the current position of the gear lever.
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Minimum API version: 0x0100 */
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void idz_io_jvs_read_shifter(uint8_t *gear);
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/* Read the current state of the coin counter. This value should be incremented
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for every coin detected by the coin acceptor mechanism. This count does not
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need to persist beyond the lifetime of the process.
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Minimum API version: 0x0100 */
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void idz_io_jvs_read_coin_counter(uint16_t *total);
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