ShortBuffer.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/utilities/fwd-tdme.h>
#include <tdme/utilities/Buffer.h>
 
using tdme::utilities::Buffer;
 
/**
 * Short buffer class
 * @author Andreas Drewke
 */
class tdme::utilities::ShortBuffer final: public Buffer
{
public:
    /**
     * Default constructor
     */
    ShortBuffer() : Buffer() {
    }
 
    /**
     * Public constructor
     * @param buffer buffer
     */
    ShortBuffer(Buffer* buffer) : Buffer() {
        this->ownsBuffer = false;
        this->buffer = buffer->buffer;
    }
 
    /**
     * @returns buffer capacity
     */
    inline virtual int64_t getCapacity() {
        return Buffer::getCapacity() / sizeof(uint16_t);
    }
 
    /**
     * @returns buffer position
     */
    inline virtual int64_t getPosition() {
        return Buffer::getPosition() / sizeof(uint16_t);
    }
 
    /**
     * Get a value at given position
     * @param position position
     */
    inline int16_t get(int64_t position) {
        uint16_t value = 0;
        value+= ((uint16_t)Buffer::get(position)) & 0xFF;
        value+= ((uint16_t)Buffer::get(position + 1) << 8) & 0xFF;
        return value;
    }
 
    /**
     * Put a value into current position
     * @param value value
     */
    inline ShortBuffer* put(uint16_t value) {
        Buffer::put((const uint8_t*)&value, sizeof(uint16_t));
        return this;
    }
 
};