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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
#include "common.h"
#include "patcher.h"
#include "PedIK.h"
#include "Ped.h"
WRAPPER bool CPedIK::PointGunInDirection(float phi, float theta) { EAXJMP(0x4ED9B0); }
WRAPPER bool CPedIK::PointGunAtPosition(CVector *position) { EAXJMP(0x4ED920); }
WRAPPER void CPedIK::ExtractYawAndPitchLocal(RwMatrixTag*, float*, float*) { EAXJMP(0x4ED2C0); }
WRAPPER void CPedIK::ExtractYawAndPitchWorld(RwMatrixTag*, float*, float*) { EAXJMP(0x4ED140); }
LimbMovementInfo &CPedIK::ms_torsoInfo = *(LimbMovementInfo*)0x5F9F8C;
CPedIK::CPedIK(CPed *ped)
{
m_ped = ped;
m_flags = 0;
m_headOrient.phi = 0.0f;
m_headOrient.theta = 0.0f;
m_torsoOrient.phi = 0.0f;
m_torsoOrient.theta = 0.0f;
m_upperArmOrient.phi = 0.0f;
m_upperArmOrient.theta = 0.0f;
m_lowerArmOrient.phi = 0.0f;
m_lowerArmOrient.theta = 0.0f;
}
void
CPedIK::RotateTorso(AnimBlendFrameData *animBlend, LimbOrientation *limb, bool changeRoll)
{
RwFrame *f = animBlend->frame;
RwMatrix *mat = CPedIK::GetWorldMatrix(RwFrameGetParent(f), RwMatrixCreate());
RwV3d upVector = { mat->right.z, mat->up.z, mat->at.z };
RwV3d rightVector;
RwV3d pos = RwFrameGetMatrix(f)->pos;
// rotation == 0 -> looking in y direction
// left? vector
float c = Cos(m_ped->m_fRotationCur);
float s = Sin(m_ped->m_fRotationCur);
rightVector.x = -(c*mat->right.x + s*mat->right.y);
rightVector.y = -(c*mat->up.x + s*mat->up.y);
rightVector.z = -(c*mat->at.x + s*mat->at.y);
if(changeRoll){
// Used when aiming only involves over the legs.(canAimWithArm)
// Automatically changes roll(forward rotation) axis of the parts above upper legs while moving, based on position of upper legs.
// Not noticeable in normal conditions...
RwV3d forwardVector;
CVector inversedForward = CrossProduct(CVector(0.0f, 0.0f, 1.0f), mat->up);
inversedForward.Normalise();
float dotProduct = DotProduct(mat->at, inversedForward);
if(dotProduct > 1.0f) dotProduct = 1.0f;
if(dotProduct < -1.0f) dotProduct = -1.0f;
float alpha = Acos(dotProduct);
if(mat->at.z < 0.0f)
alpha = -alpha;
forwardVector.x = s * mat->right.x - c * mat->right.y;
forwardVector.y = s * mat->up.x - c * mat->up.y;
forwardVector.z = s * mat->at.x - c * mat->at.y;
float curYaw, curPitch;
CPedIK::ExtractYawAndPitchWorld(mat, &curYaw, &curPitch);
RwMatrixRotate(RwFrameGetMatrix(f), &rightVector, RADTODEG(limb->theta), rwCOMBINEPOSTCONCAT);
RwMatrixRotate(RwFrameGetMatrix(f), &upVector, RADTODEG(limb->phi - (curYaw - m_ped->m_fRotationCur)), rwCOMBINEPOSTCONCAT);
RwMatrixRotate(RwFrameGetMatrix(f), &forwardVector, RADTODEG(alpha), rwCOMBINEPOSTCONCAT);
}else{
// pitch
RwMatrixRotate(RwFrameGetMatrix(f), &rightVector, RADTODEG(limb->theta), rwCOMBINEPOSTCONCAT);
// yaw
RwMatrixRotate(RwFrameGetMatrix(f), &upVector, RADTODEG(limb->phi), rwCOMBINEPOSTCONCAT);
}
RwFrameGetMatrix(f)->pos = pos;
RwMatrixDestroy(mat);
}
void
CPedIK::GetComponentPosition(RwV3d *pos, PedNode node)
{
RwFrame *f;
RwMatrix *mat;
f = m_ped->GetNodeFrame(node);
mat = RwFrameGetMatrix(f);
*pos = mat->pos;
for (f = RwFrameGetParent(f); f; f = RwFrameGetParent(f))
RwV3dTransformPoints(pos, pos, 1, RwFrameGetMatrix(f));
}
RwMatrix*
CPedIK::GetWorldMatrix(RwFrame *source, RwMatrix *destination)
{
RwFrame *i;
*destination = *RwFrameGetMatrix(source);
for (i = RwFrameGetParent(source); i; i = RwFrameGetParent(i))
RwMatrixTransform(destination, RwFrameGetMatrix(i), rwCOMBINEPOSTCONCAT);
return destination;
}
uint32
CPedIK::MoveLimb(LimbOrientation &limb, float approxPhi, float approxTheta, LimbMovementInfo &moveInfo)
{
int result = 1;
// phi
if (limb.phi > approxPhi) {
limb.phi -= moveInfo.yawD;
} else if (limb.phi < approxPhi) {
limb.phi += moveInfo.yawD;
}
if (Abs(limb.phi - approxPhi) < moveInfo.yawD) {
limb.phi = approxPhi;
result = 2;
}
if (limb.phi > moveInfo.maxYaw || limb.phi < moveInfo.minYaw) {
limb.phi = clamp(limb.phi, moveInfo.minYaw, moveInfo.maxYaw);
result = 0;
}
// theta
if (limb.theta > approxTheta) {
limb.theta -= moveInfo.pitchD;
} else if (limb.theta < approxTheta) {
limb.theta += moveInfo.pitchD;
}
if (Abs(limb.theta - approxTheta) < moveInfo.pitchD)
limb.theta = approxTheta;
else
result = 1;
if (limb.theta > moveInfo.maxPitch || limb.theta < moveInfo.minPitch) {
limb.theta = clamp(limb.theta, moveInfo.minPitch, moveInfo.maxPitch);
result = 0;
}
return result;
}
bool
CPedIK::RestoreGunPosn(void)
{
int limbStatus = MoveLimb(m_torsoOrient, 0.0f, 0.0f, ms_torsoInfo);
RotateTorso(m_ped->m_pFrames[PED_MID], &m_torsoOrient, false);
return limbStatus == 2;
}
STARTPATCHES
InjectHook(0x4ED0F0, &CPedIK::GetComponentPosition, PATCH_JUMP);
InjectHook(0x4ED060, &CPedIK::GetWorldMatrix, PATCH_JUMP);
InjectHook(0x4EDDB0, &CPedIK::RotateTorso, PATCH_JUMP);
InjectHook(0x4ED440, &CPedIK::MoveLimb, PATCH_JUMP);
InjectHook(0x4EDD70, &CPedIK::RestoreGunPosn, PATCH_JUMP);
ENDPATCHES
|
