Commit 8716c62c authored by David Adam's avatar David Adam Committed by Alexandre Julliard

d3dx9_36: Implement D3DXIntersectTri.

parent b8eb4cf8
......@@ -10,6 +10,7 @@ C_SRCS = \
d3dx9_36_main.c \
font.c \
math.c \
mesh.c \
shader.c \
sprite.c
......
......@@ -167,7 +167,7 @@
@ stdcall D3DXGetVertexShaderProfile(ptr)
@ stdcall D3DXIntersect(ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr) d3dx8.D3DXIntersect
@ stdcall D3DXIntersectSubset(ptr long ptr ptr ptr ptr ptr ptr ptr ptr ptr) d3dx8.D3DXIntersectSubset
@ stub D3DXIntersectTri
@ stdcall D3DXIntersectTri(ptr ptr ptr ptr ptr ptr ptr ptr)
@ stub D3DXLoadMeshFromXA
@ stub D3DXLoadMeshFromXInMemory
@ stub D3DXLoadMeshFromXResource
......
/*
* Mesh operations specific to D3DX9.
*
* Copyright (C) 2009 David Adam
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "windef.h"
#include "wingdi.h"
#include "wine/debug.h"
#include "d3dx9.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
/*************************************************************************
* D3DXIntersectTri
*/
BOOL WINAPI D3DXIntersectTri(CONST D3DXVECTOR3 *p0, CONST D3DXVECTOR3 *p1, CONST D3DXVECTOR3 *p2, CONST D3DXVECTOR3 *praypos, CONST D3DXVECTOR3 *praydir, FLOAT *pu, FLOAT *pv, FLOAT *pdist)
{
D3DXMATRIX m;
D3DXVECTOR4 vec;
m.m[0][0] = p1->x - p0->x;
m.m[1][0] = p2->x - p0->x;
m.m[2][0] = -praydir->x;
m.m[3][0] = 0.0f;
m.m[0][1] = p1->y - p0->z;
m.m[1][1] = p2->y - p0->z;
m.m[2][1] = -praydir->y;
m.m[3][1] = 0.0f;
m.m[0][2] = p1->z - p0->z;
m.m[1][2] = p2->z - p0->z;
m.m[2][2] = -praydir->z;
m.m[3][2] = 0.0f;
m.m[0][3] = 0.0f;
m.m[1][3] = 0.0f;
m.m[2][3] = 0.0f;
m.m[3][3] = 1.0f;
vec.x = praypos->x - p0->x;
vec.y = praypos->y - p0->y;
vec.z = praypos->z - p0->z;
vec.w = 0.0f;
if ( D3DXMatrixInverse(&m, NULL, &m) )
{
D3DXVec4Transform(&vec, &vec, &m);
if ( (vec.x >= 0.0f) && (vec.y >= 0.0f) && (vec.x + vec.y <= 1.0f) && (vec.z >= 0.0f) )
{
*pu = vec.x;
*pv = vec.y;
*pdist = fabs( vec.z );
return TRUE;
}
}
return FALSE;
}
......@@ -144,6 +144,7 @@ SRCDIR_INCLUDES = \
d3dx9core.h \
d3dx9math.h \
d3dx9math.inl \
d3dx9mesh.h \
d3dx9shader.h \
d3dx9tex.h \
dbghelp.h \
......
/*
* Copyright (C) 2009 David Adam
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_D3DX9MESH_H
#define __WINE_D3DX9MESH_H
#include <d3dx9.h>
#ifdef __cplusplus
extern "C" {
#endif
HRESULT WINAPI D3DXCreateBuffer(DWORD, LPD3DXBUFFER*);
UINT WINAPI D3DXGetFVFVertexSize(DWORD);
BOOL WINAPI D3DXBoxBoundProbe(CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *);
BOOL WINAPI D3DXSphereBoundProbe(CONST D3DXVECTOR3 *,FLOAT,CONST D3DXVECTOR3 *,CONST D3DXVECTOR3 *);
BOOL WINAPI D3DXIntersectTri(CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3*, FLOAT *, FLOAT *, FLOAT *);
#ifdef __cplusplus
}
#endif
#endif /* __WINE_D3DX9MESH_H */
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