1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file gameengine/Converter/KX_SoftBodyDeformer.cpp
* \ingroup bgeconv
*/
#ifdef _MSC_VER
# pragma warning (disable:4786)
#endif //WIN32
#include "MT_assert.h"
#include "KX_ConvertPhysicsObject.h"
#include "KX_SoftBodyDeformer.h"
#include "RAS_MeshObject.h"
#include "CTR_Map.h"
#include "CTR_HashedPtr.h"
#ifdef WITH_BULLET
#include "CcdPhysicsEnvironment.h"
#include "CcdPhysicsController.h"
#include "BulletSoftBody/btSoftBody.h"
#include "KX_BulletPhysicsController.h"
#include "btBulletDynamicsCommon.h"
void KX_SoftBodyDeformer::Relink(CTR_Map<class CTR_HashedPtr, void*>*map)
{
void **h_obj = (*map)[m_gameobj];
if (h_obj) {
m_gameobj = (BL_DeformableGameObject*)(*h_obj);
m_pMeshObject = m_gameobj->GetMesh(0);
} else {
m_gameobj = NULL;
m_pMeshObject = NULL;
}
}
bool KX_SoftBodyDeformer::Apply(class RAS_IPolyMaterial *polymat)
{
KX_BulletPhysicsController* ctrl = (KX_BulletPhysicsController*) m_gameobj->GetPhysicsController();
if (!ctrl)
return false;
btSoftBody* softBody= ctrl->GetSoftBody();
if (!softBody)
return false;
//printf("apply\n");
RAS_MeshSlot::iterator it;
RAS_MeshMaterial *mmat;
RAS_MeshSlot *slot;
size_t i;
// update the vertex in m_transverts
Update();
// The vertex cache can only be updated for this deformer:
// Duplicated objects with more than one ploymaterial (=multiple mesh slot per object)
// share the same mesh (=the same cache). As the rendering is done per polymaterial
// cycling through the objects, the entire mesh cache cannot be updated in one shot.
mmat = m_pMeshObject->GetMeshMaterial(polymat);
if (!mmat->m_slots[(void*)m_gameobj])
return true;
slot = *mmat->m_slots[(void*)m_gameobj];
// for each array
for (slot->begin(it); !slot->end(it); slot->next(it))
{
btSoftBody::tNodeArray& nodes(softBody->m_nodes);
int index = 0;
for (i=it.startvertex; i<it.endvertex; i++,index++) {
RAS_TexVert& v = it.vertex[i];
btAssert(v.getSoftBodyIndex() >= 0);
MT_Point3 pt (
nodes[v.getSoftBodyIndex()].m_x.getX(),
nodes[v.getSoftBodyIndex()].m_x.getY(),
nodes[v.getSoftBodyIndex()].m_x.getZ());
v.SetXYZ(pt);
MT_Vector3 normal (
nodes[v.getSoftBodyIndex()].m_n.getX(),
nodes[v.getSoftBodyIndex()].m_n.getY(),
nodes[v.getSoftBodyIndex()].m_n.getZ());
v.SetNormal(normal);
}
}
return true;
}
#endif
|
