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
|
/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file squirrel_class.hpp Defines templates for converting C++ classes to Squirrel classes */
#ifndef SQUIRREL_CLASS_HPP
#define SQUIRREL_CLASS_HPP
#include "squirrel_helper.hpp"
/**
* The template to define classes in Squirrel. It takes care of the creation
* and calling of such classes, to minimize the API layer.
*/
template <class CL, ScriptType ST>
class DefSQClass {
private:
const char *classname;
public:
DefSQClass(const char *_classname) :
classname(_classname)
{}
/**
* This defines a method inside a class for Squirrel.
*/
template <typename Func>
void DefSQMethod(Squirrel *engine, Func function_proc, const char *function_name)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQNonStaticCallback<CL, Func, ST>, 0, nullptr, &function_proc, sizeof(function_proc));
}
/**
* This defines a method inside a class for Squirrel, which has access to the 'engine' (experts only!).
*/
template <typename Func>
void DefSQAdvancedMethod(Squirrel *engine, Func function_proc, const char *function_name)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQAdvancedNonStaticCallback<CL, Func, ST>, 0, nullptr, &function_proc, sizeof(function_proc));
}
/**
* This defines a method inside a class for Squirrel with defined params.
* @note If you define nparam, make sure that he first param is always 'x',
* which is the 'this' inside the function. This is hidden from the rest
* of the code, but without it calling your function will fail!
*/
template <typename Func>
void DefSQMethod(Squirrel *engine, Func function_proc, const char *function_name, int nparam, const char *params)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQNonStaticCallback<CL, Func, ST>, nparam, params, &function_proc, sizeof(function_proc));
}
/**
* This defines a static method inside a class for Squirrel.
*/
template <typename Func>
void DefSQStaticMethod(Squirrel *engine, Func function_proc, const char *function_name)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQStaticCallback<CL, Func>, 0, nullptr, &function_proc, sizeof(function_proc));
}
/**
* This defines a static method inside a class for Squirrel, which has access to the 'engine' (experts only!).
*/
template <typename Func>
void DefSQAdvancedStaticMethod(Squirrel *engine, Func function_proc, const char *function_name)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQAdvancedStaticCallback<CL, Func>, 0, nullptr, &function_proc, sizeof(function_proc));
}
/**
* This defines a static method inside a class for Squirrel with defined params.
* @note If you define nparam, make sure that he first param is always 'x',
* which is the 'this' inside the function. This is hidden from the rest
* of the code, but without it calling your function will fail!
*/
template <typename Func>
void DefSQStaticMethod(Squirrel *engine, Func function_proc, const char *function_name, int nparam, const char *params)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQStaticCallback<CL, Func>, nparam, params, &function_proc, sizeof(function_proc));
}
template <typename Var>
void DefSQConst(Squirrel *engine, Var value, const char *var_name)
{
engine->AddConst(var_name, value);
}
void PreRegister(Squirrel *engine)
{
engine->AddClassBegin(this->classname);
}
void PreRegister(Squirrel *engine, const char *parent_class)
{
engine->AddClassBegin(this->classname, parent_class);
}
template <typename Func, int Tnparam>
void AddConstructor(Squirrel *engine, const char *params)
{
using namespace SQConvert;
engine->AddMethod("constructor", DefSQConstructorCallback<CL, Func, Tnparam>, Tnparam, params);
}
void AddSQAdvancedConstructor(Squirrel *engine)
{
using namespace SQConvert;
engine->AddMethod("constructor", DefSQAdvancedConstructorCallback<CL>, 0, nullptr);
}
void PostRegister(Squirrel *engine)
{
engine->AddClassEnd();
}
};
#endif /* SQUIRREL_CLASS_HPP */
|
