ss/include/egg/prim/eggBuffer.h

#pragma once

#include "types.h"
#include "egg/core/eggHeap.h"

namespace EGG
{

template <typename T>
class TBuffer {
public:
    // vtable 0x00
    /* vt 0x08 */ virtual ~TBuffer(){
        delete[] mBuffer;
        mBuffer = nullptr;
    }
    /* vt 0x0C */ virtual void allocate(int n, int){
        mSize = n;
        mBuffer = new T[n];
        onAllocate(nullptr);
    }
    /* vt 0x10 */ virtual void allocate(int n, Heap* heap, int){
        mSize = n;
        if (heap == nullptr) heap = Heap::sCurrentHeap;
        mBuffer = new(heap, 4) T[n];
        onAllocate(heap);
    }
    /* vt 0x14 */ virtual void onAllocate(Heap*){
        return;
    }
    /* vt 0x18 */ virtual void errRangeOver(){
        return;
    }
public:
    /* 0x08 */ s32 mSize;
    /* 0x0C */ T* mBuffer;
public:
    inline TBuffer() : mSize(0), mBuffer(nullptr) {}

    inline bool isRangeValid(int i) {
        return (i >= 0 && i < mSize);
    }
    inline void checkRange(int i) {
        if (!isRangeValid(i)) {
            errRangeOver();
        }
    }
    inline T& operator()(int i) {
        checkRange(i);
        return mBuffer[i];
    }
    inline s32 getSize() { return mSize; }
};

} // namespace EGG