forked from 0ad/0ad
Stan
ddcdc643ba
- Move the * and & to the correct side, - Add .0 and 0.f to clearly mark the types - Pass pointers instead of arrays - Add a newline after forward declaration - Add spaces between operators - Use c++ cast Reviewed by: @vladislavbelov Differential Revision: https://code.wildfiregames.com/D1934 This was SVN commit r22323.
125 lines
4.7 KiB
C++
125 lines
4.7 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
|
|
* This file is part of 0 A.D.
|
|
*
|
|
* 0 A.D. is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 0 A.D. is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef INCLUDED_MIKKWRAP
|
|
#define INCLUDED_MIKKWRAP
|
|
|
|
#include "graphics/MeshManager.h"
|
|
#include "graphics/ModelDef.h"
|
|
#include "third_party/mikktspace/mikktspace.h"
|
|
|
|
#include <vector>
|
|
|
|
class CVector3D;
|
|
|
|
class MikkTSpace
|
|
{
|
|
|
|
public:
|
|
|
|
MikkTSpace(const CModelDefPtr& m, std::vector<float>& v, bool gpuSkinning);
|
|
|
|
void Generate();
|
|
|
|
private:
|
|
|
|
SMikkTSpaceInterface m_Interface;
|
|
SMikkTSpaceContext m_Context;
|
|
|
|
const CModelDefPtr& m_Model;
|
|
|
|
std::vector<float>& m_NewVertices;
|
|
|
|
bool m_GpuSkinning;
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @returns - the number of faces (triangles/quads) on the mesh to be processed.
|
|
*/
|
|
static int GetNumFaces(const SMikkTSpaceContext* pContext);
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @param[in] iFace - Number in the range { 0, 1, ..., getNumFaces() - 1 }.
|
|
* @returns - the number of faces (triangles/quads) on the mesh to be processed.
|
|
*/
|
|
static int GetNumVerticesOfFace(const SMikkTSpaceContext* pContext, const int iFace);
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @returns - The MikkTSpace.
|
|
*/
|
|
static MikkTSpace* GetUserDataFromContext(const SMikkTSpaceContext* pContext);
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @param[in] iFace - Number in the range { 0, 1, ..., getNumFaces() - 1 }.
|
|
* @param[in] iVert - Number in the range { 0, 1, 2 } for triangles and { 0, 1, 2, 3 } for quads.
|
|
* @returns - The MikkTSpace.
|
|
*/
|
|
static SModelVertex GetVertex(const SMikkTSpaceContext* pContext, const int iFace, const int iVert);
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @param[out] fvPosOut - The array containing the face.
|
|
* @param[in] iFace - Number in the range { 0, 1, ..., getNumFaces() - 1 }.
|
|
* @param[in] iVert - Number in the range { 0, 1, 2 } for triangles and { 0, 1, 2, 3 } for quads.
|
|
*/
|
|
static void GetPosition(const SMikkTSpaceContext* pContext,
|
|
float* fvPosOut, const int iFace, const int iVert);
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @param[out] fvNormOut iVert - The array containing the normal.
|
|
* @param[in] iFace - Number in the range { 0, 1, ..., getNumFaces() - 1 }.
|
|
* @param[in] iVert - Number in the range { 0, 1, 2 } for triangles and { 0, 1, 2, 3 } for quads.
|
|
*/
|
|
static void GetNormal(const SMikkTSpaceContext* pContext,
|
|
float* fvNormOut, const int iFace, const int iVert);
|
|
|
|
/**
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @param[out] fvTexcOut iVert - Array containing the UV.
|
|
* @param[in] iFace - Number in the range { 0, 1, ..., getNumFaces() - 1 }.
|
|
* @param[in] iVert - Number in the range { 0, 1, 2 } for triangles and { 0, 1, 2, 3 } for quads.
|
|
*/
|
|
static void GetTexCoord(const SMikkTSpaceContext* pContext,
|
|
float* fvTexcOut, const int iFace, const int iVert);
|
|
|
|
/**
|
|
* @brief This function is used to return tangent space results to the application.
|
|
* For normal maps it is sufficient to use the following simplified version of the bitangent which is generated at pixel/vertex level.
|
|
* fSign = bIsOrientationPreserving ? 1.0f : (-1.0f);
|
|
* bitangent = fSign * cross(vN, tangent);
|
|
* @param[in] pContext - Pointer to the MikkTSpace context.
|
|
* @param[in] fvTangent - fvTangent - The tangent vector.
|
|
* @param[in] fvBiTangent - The "real" bitangent vector. Not be perpendicular to fvTangent. However, both are perpendicular to the vertex normal.
|
|
* @param[in] fMagS - magniture of the fvTangent vector.
|
|
* @param[in] fMagT - magniture of the fvBiTangent vector.
|
|
* @param[in] bIsOrientationPreserving - Whether the orientation should be preserved.
|
|
* @param[in] iFace - Number in the range {0,1,2} for triangles and {0,1,2,3} for quads.
|
|
* @param[in] iVert - Array containing the position vector of the face.
|
|
*/
|
|
static void SetTSpace(const SMikkTSpaceContext* pContext, const float* fvTangent,
|
|
const float* UNUSED(fvBiTangent), const float UNUSED(fMagS), const float UNUSED(fMagT),
|
|
const tbool bIsOrientationPreserving, const int iFace, const int iVert);
|
|
|
|
};
|
|
|
|
|
|
#endif // INCLUDED_MIKKWRAP
|