mirror of https://github.com/zeldaret/tmc.git
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
#ifndef READER_H
|
|
#define READER_H
|
|
|
|
#include <stdint.h>
|
|
#include <vector>
|
|
|
|
typedef uint8_t u8;
|
|
typedef uint16_t u16;
|
|
typedef uint32_t u32;
|
|
typedef uint64_t u64;
|
|
typedef int8_t s8;
|
|
typedef int16_t s16;
|
|
typedef int32_t s32;
|
|
typedef int64_t s64;
|
|
|
|
class Reader {
|
|
public:
|
|
Reader(const std::vector<char>& baserom, int start, int size) {
|
|
auto first = baserom.begin() + start;
|
|
auto last = baserom.begin() + start + size;
|
|
data = std::vector<char>(first, last);
|
|
}
|
|
|
|
u8 read_u8() {
|
|
return this->data[this->cursor++];
|
|
}
|
|
|
|
s8 read_s8() {
|
|
return (s8)this->read_u8();
|
|
}
|
|
|
|
u16 read_u16() {
|
|
u16 val = (u8)this->data[this->cursor] + (((u8)this->data[this->cursor + 1]) << 8);
|
|
this->cursor += 2;
|
|
return val;
|
|
}
|
|
|
|
u32 read_u32() {
|
|
u32 val = ((u8)this->data[this->cursor]) + (((u8)this->data[this->cursor + 1]) << 8) +
|
|
(((u8)this->data[this->cursor + 2]) << 16) + (((u8)this->data[this->cursor + 3]) << 24);
|
|
this->cursor += 4;
|
|
return val;
|
|
}
|
|
int cursor = 0;
|
|
|
|
private:
|
|
std::vector<char> data;
|
|
};
|
|
|
|
#endif |