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
|
#pragma once
#define MAX_DATATABLES 1024 // must be a power of 2.
#define MAX_DATATABLE_PROPS 4096
#define MAX_ARRAY_ELEMENTS 2048 // a network array should have more that 1024 elements
#define HIGH_DEFAULT -121121.121121f
#define BITS_FULLRES -1 // Use the full resolution of the type being encoded.
#define BITS_WORLDCOORD -2 // Encode as a world coordinate.
#define DT_MAX_STRING_BITS 9
#define DT_MAX_STRING_BUFFERSIZE (1 << DT_MAX_STRING_BITS) // Maximum length of a string that can be sent.
#define STRINGBUFSIZE(className, varName) sizeof(((className*)0)->varName)
// Gets the size of a variable in a class.
#define PROPSIZEOF(className, varName) sizeof(((className*)0)->varName)
// SendProp::m_Flags.
enum SPROP_FLAGS
{
SPROP_UNSIGNED = (1<<0), // Unsigned integer data.
SPROP_COORD = (1<<1), // If this is set, the float/vector is treated like a world coordinate.
// Note that the bit count is ignored in this case.
SPROP_NOSCALE = (1<<2), // For floating point, don't scale into range, just take value as is.
SPROP_ROUNDDOWN = (1<<3), // For floating point, limit high value to range minus one bit unit
SPROP_ROUNDUP = (1<<4), // For floating point, limit low value to range minus one bit unit
SPROP_NORMAL = (1<<5), // If this is set, the vector is treated like a normal (only valid for vectors),
SPROP_EXCLUDE = (1<<6), // This is an exclude prop (not excludED, but it points at another prop to be excluded),.
SPROP_XYZE = (1<<7), // Use XYZ/Exponent encoding for vectors.
SPROP_INSIDEARRAY = (1<<8), // This tells us that the property is inside an array, so it shouldn't be put into the
// flattened property list. Its array will point at it when it needs to.
SPROP_PROXY_ALWAYS_YES = (1<<9), // Set for datatable props using one of the default datatable proxies like
// SendProxy_DataTableToDataTable that always send the data to all clients.
SPROP_CHANGES_OFTEN = (1<<10), // this is an often changed field, moved to head of sendtable so it gets a small index
SPROP_IS_A_VECTOR_ELEM = (1<<11), // Set automatically if SPROP_VECTORELEM is used.
SPROP_COLLAPSIBLE = (1<<12), // Set automatically if it's a datatable with an offset of 0 that doesn't change the pointer
// (ie: for all automatically-chained base classes),.
// In this case, it can get rid of this SendPropDataTable altogether and spare the
// trouble of walking the hierarchy more than necessary.
SPROP_COORD_MP = (1<<13), // Like SPROP_COORD, but special handling for multiplayer games
SPROP_COORD_MP_LOWPRECISION = (1<<14), // Like SPROP_COORD, but special handling for multiplayer games where the fractional component only gets a 3 bits instead of 5
SPROP_COORD_MP_INTEGRAL = (1<<15), // SPROP_COORD_MP, but coordinates are rounded to integral boundaries
// This is server side only, it's used to mark properties whose SendProxy_* functions encode against gpGlobals->tickcount (the only ones that currently do this are
// m_flAnimTime and m_flSimulationTime. MODs shouldn't need to mess with this probably
SPROP_ENCODED_AGAINST_TICKCOUNT = (1<<16),
};
#define SPROP_NUMFLAGBITS_NETWORKED 16
#define SPROP_NUMFLAGBITS 17
// Used by the SendProp and RecvProp functions to disable debug checks on type sizes.
#define SIZEOF_IGNORE -1
// Use this to extern send and receive datatables, and reference them.
#define EXTERN_SEND_TABLE(tableName) namespace tableName {extern SendTable g_SendTable;}
#define EXTERN_RECV_TABLE(tableName) namespace tableName {extern RecvTable g_RecvTable;}
#define REFERENCE_SEND_TABLE(tableName) tableName::g_SendTable
#define REFERENCE_RECV_TABLE(tableName) tableName::g_RecvTable
class SendProp;
typedef enum
{
DPT_Int = 0,
DPT_Float,
DPT_Vector,
DPT_VectorXY,
DPT_String,
DPT_Array, // An array of the base types (can't be of datatables).
DPT_DataTable,
DPT_NUMSendPropTypes
} SendPropType;
/*
class DVariant
{
public:
union
{
float m_Float;
long m_Int;
char* m_pString;
void* m_pData; // For DataTables.
float m_Vector[3];
};
SendPropType m_Type;
DVariant() { m_Type = DPT_Float; }
DVariant(float val)
{
m_Type = DPT_Float;
m_Float = val;
}
};
*/
struct DVariant {
union {
float m_Float;
long m_Int;
char* m_pString;
void* m_pData;
float m_Vector[3];
__int64 m_Int64;
};
int m_Type;
};
// This can be used to set the # of bits used to transmit a number between 0 and nMaxElements-1.
inline int NumBitsForCount(int nMaxElements)
{
int nBits = 0;
while(nMaxElements > 0)
{
++nBits;
nMaxElements >>= 1;
}
return nBits;
}
|