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
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/***************************************************************************
Polygon.cpp - description
-------------------
begin : Wed Jan 26 2000
copyright : (C) 2000 by Henrik Enqvist
email : henqvist@excite.com
***************************************************************************/
#include <cstdlib>
#include <algorithm>
#include "Private.h"
#include "Polygon.h"
#include "Shape3D.h"
Polygon3D::Polygon3D(Shape3D* s, int size) {
EmAssert(s != NULL, "Polygon3D::Polygon3D shape NULL in constructor");
m_iProperties = 0;
m_nmlSrc.x = 0;
m_nmlSrc.y = 1;
m_nmlSrc.z = 0;
m_nmlTrans.x = 0;
m_nmlTrans.y = 1;
m_nmlTrans.z = 0;
m_colFlatLight.r = 0;
m_colFlatLight.g = 0;
m_colFlatLight.b = 0;
m_colFlatLight.a = 0;
m_vIndex.reserve(size);
m_vIndex.clear();
p_Shape3D = s;
}
Polygon3D::~Polygon3D() {
}
void Polygon3D::copy(Polygon3D * poly) {
if (poly == NULL) return;
m_nmlSrc = poly->m_nmlSrc;
m_nmlTrans = poly->m_nmlTrans;
m_colFlatLight = poly->m_colFlatLight;
m_vIndex.clear();
vector<int>::iterator iter = poly->m_vIndex.begin();
vector<int>::iterator end = poly->m_vIndex.end();
for (; iter != end; ++iter) {
m_vIndex.push_back(*iter);
}
}
void Polygon3D::setProperty(int p) {
m_iProperties |= p;
}
void Polygon3D::unsetProperty(int p) {
m_iProperties -= (m_iProperties & p);
}
int Polygon3D::getProperties() {
return m_iProperties;
}
void Polygon3D::setColor(float r, float g, float b, float a) {
EmAssert(p_Shape3D != NULL, "Polygon3D::setColor shape NULL");
vector<int>::iterator iter = m_vIndex.begin();
vector<int>::iterator end = m_vIndex.end();
for (; iter != end; ++iter) {
p_Shape3D->setColor((*iter), r, g, b, a);
}
}
void Polygon3D::decrement(int shindex) {
if (shindex < 0) return;
vector<int>::iterator iter = m_vIndex.begin();
vector<int>::iterator end = m_vIndex.end();
for (; iter != end; ++iter) {
if ((*iter) > shindex) --(*iter);
}
}
bool Polygon3D::connected(int shindexA, int shindexB) {
if (this->includes(shindexA) == -1) return false;
if (this->includes(shindexB) == -1) return false;
if (this->includes(shindexA) == (this->includes(shindexB) + 1)) return true;
if (this->includes(shindexB) == (this->includes(shindexA) + 1)) return true;
if (this->includes(shindexA) == ((signed)m_vIndex.size() - 1) && this->includes(shindexB) == 0) return true;
if (this->includes(shindexB) == ((signed)m_vIndex.size() - 1) && this->includes(shindexA) == 0) return true;
return false;
}
int Polygon3D::getIndex(int polyindex) {
if (polyindex < 0 || polyindex >= (signed)m_vIndex.size()) {
return -1;
}
return m_vIndex[polyindex];
}
int Polygon3D::getIndexSize() {
return m_vIndex.size();
}
Color * Polygon3D::getColor(int index) {
EmAssert(p_Shape3D != NULL, "Polygon3D::getColor shape NULL");
if (index < 0 || index >= (signed)m_vIndex.size()) {
return NULL;
}
return p_Shape3D->getColor(m_vIndex[index]);
}
void Polygon3D::setColor(int index, float r, float g, float b, float a) {
EmAssert(p_Shape3D != NULL, "Polygon3D::setColor shape NULL");
if (index < 0 || index >= (signed)m_vIndex.size()) {
return;
}
p_Shape3D->setColor(m_vIndex[index], r, g, b, a);
}
TexCoord * Polygon3D::getTexCoord(int index) {
EmAssert(p_Shape3D != NULL, "Polygon3D::getTexCoord shape NULL");
if (index < 0 || index >= (signed)m_vIndex.size()) {
return NULL;
}
return p_Shape3D->getTexCoord(m_vIndex[index]);
}
void Polygon3D::add(int index) {
EmAssert(p_Shape3D != NULL, "Polygon3D::add shape NULL");
if (index < 0 || index >= (signed)p_Shape3D->m_vVtxSrc.size()) return;
m_vIndex.push_back(index);
if (m_vIndex.size() == 3) this->countNormal();
}
void Polygon3D::countNormal() {
Vertex3D vtxA, vtxB;
Vertex3D vtx0, vtx1, vtx2;
if (m_vIndex.size() < 3 || p_Shape3D == NULL) return;
vtx0 = p_Shape3D->m_vVtxSrc[m_vIndex[0]];
vtx1 = p_Shape3D->m_vVtxSrc[m_vIndex[1]];
vtx2 = p_Shape3D->m_vVtxSrc[m_vIndex[2]];
vtxA.x = vtx2.x - vtx0.x;
vtxA.y = vtx2.y - vtx0.y;
vtxA.z = vtx2.z - vtx0.z;
vtxB.x = vtx1.x - vtx0.x;
vtxB.y = vtx1.y - vtx0.y;
vtxB.z = vtx1.z - vtx0.z;
EMath::crossProduct(vtxA, vtxB, m_nmlSrc);
EMath::normalizeVector(m_nmlSrc);
}
int Polygon3D::includes(int index) {
if (p_Shape3D == NULL) return -1;
vector<int>::iterator iter = m_vIndex.begin();
vector<int>::iterator end = m_vIndex.end();
for (int a=0 ; iter != end; ++iter, ++a) {
if ((*iter) == index) return a;
}
return -1;
}
void Polygon3D::moveUp(int polyindex) {
if (polyindex <= 0 || polyindex > (signed)m_vIndex.size()) return;
int tmp = m_vIndex[polyindex];
m_vIndex[polyindex] = m_vIndex[polyindex-1];
m_vIndex[polyindex-1] = tmp;
}
void Polygon3D::moveDown(int polyindex) {
if (polyindex < 0 || polyindex > (signed)m_vIndex.size()-1) return;
int tmp = m_vIndex[polyindex];
m_vIndex[polyindex] = m_vIndex[polyindex+1];
m_vIndex[polyindex+1] = tmp;
}
|
