tiny actor

#include <z64ovl/oot/u10.h>

typedef struct {
    z64_actor_t actor;
} entity_t;

typedef union {
    void* dp_void;
    u8*   dp_u8;
    u16*  dp_u16;
    u32*  dp_u32;
    u64*  dp_u64;
    s8*   dp_s8;
    s16*  dp_s16;
    s32*  dp_s32;
    s64*  dp_s64;
    u8    bytes[ 4 ];
    u32   word;
} dp_types;

typedef union {
    u8 bytes[ 11 ];
    struct {
        u8* ptr;
        u8  padding[ 7 ];
    } c00_data;
    struct {
        u8  number_of_bytes;
        u8  bytes[ 10 ];
    } c01_data;
    struct {
        u64 number_of_zeroes;
        u8  padding[ 3 ];
    } c02_data;
    struct {
        // ?????
    } c03_data;
    struct {
        void (*func_pointer)(void);
        u8 padding[ 7 ];
    } c04_data;
} pad_data_t;
// sizeof(pad_data_t) == 11

static volatile dp_types data_pointer;

static void step( entity_t* entity, z64_global_t* global ) {
    volatile pad_data_t temp;
    union {
        struct {
            u8 big_endian_padding;
            u8 ll_command;
            u8 byte2;
            u8 byte1;
        };
        u32 word;
    } leftover;
    #define padb( pad, byte ) ( ((u8*)&(global->common.input[ pad ].raw))[ byte ] )

    temp.bytes[ 0 ] = padb( 1, 0 );
    temp.bytes[ 1 ] = padb( 1, 2 );
    temp.bytes[ 2 ] = padb( 1, 3 );
    temp.bytes[ 3 ] = padb( 2, 0 );
    temp.bytes[ 4 ] = padb( 2, 2 );
    temp.bytes[ 5 ] = padb( 2, 3 );
    temp.bytes[ 6 ] = padb( 3, 0 );
    temp.bytes[ 7 ] = padb( 3, 2 );
    temp.bytes[ 8 ] = padb( 3, 3 );

    leftover.word  = padb( 1, 1 ); leftover.word <<= 6;
    leftover.word |= padb( 2, 1 ); leftover.word <<= 6;
    leftover.word |= padb( 3, 1 );

    temp.bytes[  9 ] = leftover.byte1;
    temp.bytes[ 10 ] = leftover.byte2;

    switch( leftover.ll_command ) {
        case 0: {

        } break;
    }
}

const z64_actor_init_t init_vars = {
    .number = 0xDEAD, .padding = 0xBEEF,
    .type = 0x06, // stage prop
    .room = 0x00,
    .flags = 0x00000030,
    .object = 1,
    .instance_size = sizeof(entity_t),
    .init = NULL,
    .dest = NULL,
    .main = step,
    .draw = NULL
};