#pragma once
#include <windows.h>
#include <stdint.h>

#pragma pack(push, 1)
struct fastio_node {
    struct fastio_node *next;
    uint8_t board_no;
    // Unlike JVS, FastIO comms are done on the game side through
    // DMA register reads and writes, meaning  we need to have 
    // indivitual functions here instead of just "transact"
    void (*digital_in)(void* ctx, uint32_t *out); // Digital button inputs
    void (*analog_in)(void* ctx, uint16_t *out); // Analog stick inputs (WIP)
    void (*coins_in)(void* ctx, uint8_t slot, uint32_t *out); // Number of unprocessed coins
    void (*digital_out)(void* ctx, uint16_t channel, uint16_t val); // Digital outputs
    void (*analog_out)(void* ctx, uint16_t channel, uint16_t val); // Analog outputs (WIP)
    void (*coins_out)(void* ctx, uint8_t slot, uint16_t removed); // Remove coins from the count
};
#pragma pack(pop)

typedef HRESULT (*fastio_provider_t)(struct fastio_node *root);

HRESULT fastio_hook_init(fastio_provider_t main, fastio_provider_t sub);
void fastio_digital_read(void* ctx, uint8_t board_no, uint32_t *out);
void fastio_coins_in(void* ctx, uint8_t board_no, uint8_t slot_no, uint32_t *out);