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
|
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
|
-
+
-
-
-
+
+
+
-
+
-
+
-
-
-
+
+
+
-
-
-
+
+
+
-
+
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
-
+
|
if (_mverts != NULL)
for (size_t i = 0; i < _numFrames; i++)
OFFreeMemory(_mverts[i]);
OFFreeMemory(_mverts);
}
- (bool)loadWithIRI:(OFIRI *)IRI
- (bool)loadWithIRI: (OFIRI *)IRI
{
OFSeekableStream *stream;
@try {
stream = (OFSeekableStream *)[[OFIRIHandler handlerForIRI:IRI]
openItemAtIRI:IRI
mode:@"r"];
stream = (OFSeekableStream *)[[OFIRIHandler handlerForIRI: IRI]
openItemAtIRI: IRI
mode: @"r"];
} @catch (id e) {
return false;
}
if (![stream isKindOfClass:OFSeekableStream.class])
if (![stream isKindOfClass: OFSeekableStream.class])
return false;
struct md2_header header;
[stream readIntoBuffer:&header exactLength:sizeof(header)];
[stream readIntoBuffer: &header exactLength: sizeof(header)];
endianswap(&header, sizeof(int), sizeof(header) / sizeof(int));
if (header.magic != 844121161 || header.version != 8)
return false;
@try {
_frames = OFAllocMemory(header.numFrames, header.frameSize);
} @catch (OFOutOfMemoryException *e) {
return false;
}
[stream seekToOffset:header.offsetFrames whence:OFSeekSet];
[stream readIntoBuffer:_frames
exactLength:header.frameSize * header.numFrames];
[stream seekToOffset: header.offsetFrames whence: OFSeekSet];
[stream readIntoBuffer: _frames
exactLength: header.frameSize * header.numFrames];
for (int i = 0; i < header.numFrames; ++i)
endianswap(_frames + i * header.frameSize, sizeof(float), 6);
@try {
_glCommands = OFAllocMemory(header.numGlCommands, sizeof(int));
} @catch (OFOutOfMemoryException *e) {
return false;
}
[stream seekToOffset:header.offsetGlCommands whence:OFSeekSet];
[stream readIntoBuffer:_glCommands
exactLength:header.numGlCommands * sizeof(int)];
[stream seekToOffset: header.offsetGlCommands whence: OFSeekSet];
[stream readIntoBuffer: _glCommands
exactLength: header.numGlCommands * sizeof(int)];
endianswap(_glCommands, sizeof(int), header.numGlCommands);
_numFrames = header.numFrames;
_numGlCommands = header.numGlCommands;
_frameSize = header.frameSize;
_numTriangles = header.numTriangles;
_numVerts = header.numVertices;
[stream close];
_mverts = OFAllocZeroedMemory(_numFrames, sizeof(OFVector3D *));
return true;
}
- (void)scaleWithFrame:(int)frame scale:(float)scale snap:(int)sn
- (void)scaleWithFrame: (int)frame scale: (float)scale snap: (int)sn
{
OFAssert(_mverts[frame] == NULL);
_mverts[frame] = OFAllocMemory(_numVerts, sizeof(OFVector3D));
struct md2_frame *cf =
(struct md2_frame *)((char *)_frames + _frameSize * frame);
float sc = 16.0f / scale;
for (int vi = 0; vi < _numVerts; vi++) {
unsigned char *cv = (unsigned char *)&cf->vertices[vi].vertex;
OFVector3D *v = &(_mverts[frame])[vi];
v->x = (snap(sn, cv[0] * cf->scale[0]) + cf->translate[0]) / sc;
v->y =
-(snap(sn, cv[1] * cf->scale[1]) + cf->translate[1]) / sc;
v->z = (snap(sn, cv[2] * cf->scale[2]) + cf->translate[2]) / sc;
}
}
- (void)renderWithLight:(OFColor *)light
frame:(int)frame
range:(int)range
position:(OFVector3D)position
yaw:(float)yaw
pitch:(float)pitch
scale:(float)sc
speed:(float)speed
snap:(int)sn
basetime:(int)basetime
- (void)renderWithLight: (OFColor *)light
frame: (int)frame
range: (int)range
position: (OFVector3D)position
yaw: (float)yaw
pitch: (float)pitch
scale: (float)sc
speed: (float)speed
snap: (int)sn
basetime: (int)basetime
{
for (int i = 0; i < range; i++)
if (!_mverts[frame + i])
[self scaleWithFrame:frame + i scale:sc snap:sn];
[self scaleWithFrame: frame + i scale: sc snap: sn];
glPushMatrix();
glTranslatef(position.x, position.y, position.z);
glRotatef(yaw + 180, 0, -1, 0);
glRotatef(pitch, 0, 0, 1);
[light cube_setAsGLColor];
|