FloatBuffer.h

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#pragma once
 
#include <array>
 
#include <tdme/tdme.h>
#include <tdme/utilities/fwd-tdme.h>
#include <tdme/utilities/Buffer.h>
 
using std::array;
 
using tdme::utilities::Buffer;
 
/**
 * Float buffer class
 * @author Andreas Drewke
 */
class tdme::utilities::FloatBuffer final: public Buffer
{
public:
    /**
     * Default constructor
     */
    FloatBuffer() : Buffer() {
    }
 
    /**
     * Public constructor
     * @param buffer buffer
     */
    FloatBuffer(Buffer* buffer) : Buffer() {
        this->ownsBuffer = false;
        this->buffer = buffer->buffer;
    }
 
    /**
     * @return capacity
     */
    inline virtual int64_t getCapacity() {
        return Buffer::getCapacity() / sizeof(float);
    }
 
    /**
     * @return position
     */
    inline virtual int64_t getPosition() {
        return Buffer::getPosition() / sizeof(float);
    }
 
    /**
     * Get a value at given position
     * @param position position
     * @return value at given position
     */
    inline float get(int64_t position) {
        uint32_t floatAsInt = 0;
        floatAsInt+= (uint32_t)Buffer::get(position);
        floatAsInt+= (uint32_t)Buffer::get(position + 1) << 8;
        floatAsInt+= (uint32_t)Buffer::get(position + 2) << 16;
        floatAsInt+= (uint32_t)Buffer::get(position + 3) << 24;
        return *((float*)&floatAsInt);
    }
 
    /**
     * Put a float value into float buffer
     * @param value value
     */
    inline FloatBuffer* put(float value) {
        Buffer::put((const uint8_t*)&value, sizeof(float));
        return this;
    }
 
    /**
     * Put float values into float buffer
     * @param values values
     */
    inline FloatBuffer* put(const array<float, 2>& values) {
        Buffer::put((const uint8_t*)values.data(), 2 * sizeof(float));
        return this;
    }
 
    /**
     * Put float values into float buffer
     * @param values values
     */
    inline FloatBuffer* put(const array<float, 3>& values) {
        Buffer::put((const uint8_t*)values.data(), 3 * sizeof(float));
        return this;
    }
 
    /**
     * Put float values into float buffer
     * @param values values
     */
    inline FloatBuffer* put(const array<float, 4>& values) {
        Buffer::put((const uint8_t*)values.data(), 4 * sizeof(float));
        return this;
    }
 
    /**
     * Put float values into float buffer
     * @param values values
     */
    inline FloatBuffer* put(const array<float, 16>& values) {
        Buffer::put((const uint8_t*)values.data(), 16 * sizeof(float));
        return this;
    }
 
};