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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*-----------------------------------------------------------------
LOG
GEM - Graphics Environment for Multimedia
The state to pass among GEM objects
Copyright (c) 1997-2000 Mark Danks. mark@danks.org
Copyright (c) Günther Geiger. geiger@epy.co.at
Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
#ifndef _INCLUDE__GEM_GEM_STATE_H_
#define _INCLUDE__GEM_GEM_STATE_H_
#include "Gem/ExportDef.h"
#include "Gem/GemGL.h"
#include "Gem/RTE.h"
#include "Utils/any.h"
struct pixBlock;
class TexCoord;
/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
TexCoord
DESCRIPTION
-----------------------------------------------------------------*/
class GEM_EXTERN TexCoord
{
public:
TexCoord() : s(0.f), t(0.f) { }
TexCoord(float s_, float t_) : s(s_), t(t_) { }
float s;
float t;
};
/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
GemState
The state to pass among GEM objects
DESCRIPTION
-----------------------------------------------------------------*/
class GemStateData;
class GEM_EXTERN GemState
{
public:
typedef enum {
_ILLEGAL=-1,
_DIRTY, /* "dirty" */
_TIMING_TICK, /* "timing.tick" */
_PIX, /* "pix" */
_GL_STACKS, /* "stacks" */
_GL_DISPLAYLIST, /* */
_GL_LIGHTING, /* */
_GL_SMOOTH, /* */
_GL_DRAWTYPE, /* */
_GL_TEX_TYPE, /* "tex.type" */
_GL_TEX_COORDS, /* "tex.coords" */
_GL_TEX_NUMCOORDS, /* "tex.numcoords" */
_GL_TEX_UNITS, /* "tex.units" <int> # of texUnits */
_GL_TEX_ORIENTATION, /* "tex.orientation" <bool> false=bottomleft; true=topleft */
_GL_TEX_BASECOORD, /* "tex.basecoords" <TexCoord> width/height of texture */
_LAST
} key_t;
//////////
// Has something changed since the last time?
// deprecated: use property 'dirty' instead
GEM_DEPRECATED bool dirty;
//////////
// Are we in a display list creation?
// deprecated: use property 'gl.displaylist' instead
GEM_DEPRECATED bool inDisplayList;
//////////
// Lighting on?
// deprecated: use property 'gl.lighting' instead
GEM_DEPRECATED bool lighting;
//////////
// Smooth shading (flat is other type)
// deprecated: use property 'gl.smooth' instead
GEM_DEPRECATED bool smooth;
//////////
// Texture mapping on?
// 0..off
// 1..normalized texture
// 2..rectangle texture
// deprecated: use property 'gl.tex.type' instead
GEM_DEPRECATED int texture;
//////////
// The image to texture map
// deprecated: use property 'pix' instead
GEM_DEPRECATED pixBlock *image;
//////////
// Texture coordinates.
// This can be NULL if there aren't any coordinates
// deprecated: use property 'gl.tex.coords' instead
GEM_DEPRECATED TexCoord *texCoords;
//////////
// The number of TexCoords
// deprecated: use property 'gl.tex.numcoords' instead
GEM_DEPRECATED int numTexCoords;
//////////
// The number of multiTexUnits
// default = 0, max = 7
// deprecated: use property 'gl.tex.units' instead
GEM_DEPRECATED int multiTexUnits;
//////////
// Milliseconds since last frame
// If in Stereoscopic mode, then it is the same number for both left
// and right renderings
// deprecated: use property 'timing.tick' instead
GEM_DEPRECATED float tickTime;
//////////////////
// the default draw-type (might be overridden within a Geo)
// deprecated: use property 'gl.drawtype' instead
GEM_DEPRECATED GLenum drawType;
//////////
// how deep is the current stack /* 4 fields for the 4 stacks */
// deprecated: use property 'gl.stacks' instead
GEM_DEPRECATED int stackDepth[4];
////////////
//vertex-array data
// deprecated: use property 'vertex.dirty' instead
GEM_DEPRECATED int
VertexDirty; // the vertex-arrays has changed
// deprecated: use property 'vertex.array.vertex' instead
GEM_DEPRECATED GLfloat *VertexArray;
// deprecated: use property 'vertex.array.vertex' instead
GEM_DEPRECATED int VertexArraySize;
// deprecated: use property 'vertex.array.vertex' instead
GEM_DEPRECATED int VertexArrayStride;
// deprecated: use property 'vertex.array.color' instead
GEM_DEPRECATED GLfloat *ColorArray;
// deprecated: use property 'vertex.array.color' instead
GEM_DEPRECATED bool HaveColorArray;
// deprecated: use property 'vertex.array.normal' instead
GEM_DEPRECATED GLfloat *NormalArray;
// deprecated: use property 'vertex.array.normal' instead
GEM_DEPRECATED bool HaveNormalArray;
// deprecated: use property 'vertex.array.texcoord' instead
GEM_DEPRECATED GLfloat *TexCoordArray;
// deprecated: use property 'vertex.array.texcoord' instead
GEM_DEPRECATED bool HaveTexCoordArray;
//////////
// Constructor
GemState(void);
GemState(const GemState&);
//////////
// Destructor
virtual ~GemState(void);
float texCoordX(int num) const;
float texCoordY(int num) const;
/* reset (parts of?) the GemState: to be called from [gemhead] */
void reset(void);
/* get a named property */
/* if the property exists (as the given type),
* the value of the 2nd argument is set accordingly and <code>true</code> is returned
* if the key does not exist (or the type is wrong) the value is not touched and <code>false</code> is returned instead
*/
virtual bool get(const key_t key, gem::any&value);
template<class T>
bool get(const key_t key, T&value)
{
try {
gem::any val;
if(!get(key,val)) {
// key not found
return false;
}
value=gem::any_cast<T>(val);
return true;
} catch (gem::bad_any_cast&x) {
::verbose(3, "%s:%d [%s] %d :: %s", __FILE__, __LINE__, __FUNCTION__, key,
x.what());
// type problem
}
return false;
};
/* set a named property */
virtual bool set(const key_t key, gem::any value);
/* remove a named property */
virtual bool remove(const key_t key);
// Copy assignment
GemState& operator=(const GemState&);
static const key_t getKey(const std::string&);
protected:
GemStateData*data;
};
#endif // for header file
|
