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/*
* Copyright (c) 2008-2016, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#pragma once
#include <DirectXMath.h>
struct Vertex
{
DirectX::XMFLOAT3 position;
DirectX::XMFLOAT3 normal;
DirectX::XMFLOAT2 textureCoordinate;
};
struct Mesh
{
std::vector<Vertex> vertices;
std::vector<uint32_t> indices;
};
FILE *OpenFile(std::string Path, const char* Mode)
{
FILE *fp = NULL;
if (fopen_s(&fp, Path.c_str(), Mode) || !fp)
{
MessageBox(NULL, L"Failed to open data file", L"Error", MB_OK | MB_ICONERROR);
exit(1);
}
return fp;
}
bool LoadVertices(const char* FileName, std::vector<Vertex>& OutVertices)
{
FILE* fp = OpenFile(FileName, "rb");
fseek(fp, 0L, SEEK_END);
UINT FileSize = ftell(fp);
fseek(fp, 0L, SEEK_SET);
UINT NumVertices = FileSize / sizeof(Vertex::position);
for (UINT Idx = 0; Idx < NumVertices; ++Idx)
{
Vertex vertex;
fread(&vertex.position, sizeof(DirectX::XMFLOAT3), 1, fp);
vertex.normal.x = vertex.normal.y = 0;
vertex.normal.z = 1.0;
vertex.textureCoordinate.x = vertex.textureCoordinate.y = 0;
OutVertices.push_back(vertex);
}
fclose(fp);
return true;
}
bool LoadIndices(const char* FileName, std::vector<uint32_t>& OutIndices)
{
FILE* fp = OpenFile(FileName, "rb");
fseek(fp, 0L, SEEK_END);
UINT FileSize = ftell(fp);
fseek(fp, 0L, SEEK_SET);
UINT NumIndices = FileSize / sizeof(uint32_t);
for (UINT Idx = 0; Idx < NumIndices; ++Idx)
{
uint32_t index;
fread(&index, sizeof(index), 1, fp);
OutIndices.push_back(index);
}
fclose(fp);
return true;
}
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