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
|
/* $Id$ */
/*
* 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 game_info.cpp Implementation of GameInfo */
#include "../stdafx.h"
#include "../script/squirrel_class.hpp"
#include "game_info.hpp"
#include "game_scanner.hpp"
#include "../debug.h"
#include "../safeguards.h"
/**
* Check if the API version provided by the Game is supported.
* @param api_version The API version as provided by the Game.
*/
static bool CheckAPIVersion(const char *api_version)
{
return strcmp(api_version, "1.2") == 0 || strcmp(api_version, "1.3") == 0 || strcmp(api_version, "1.4") == 0 ||
strcmp(api_version, "1.5") == 0 || strcmp(api_version, "1.6") == 0;
}
#if defined(WIN32)
#undef GetClassName
#endif /* WIN32 */
template <> const char *GetClassName<GameInfo, ST_GS>() { return "GSInfo"; }
/* static */ void GameInfo::RegisterAPI(Squirrel *engine)
{
/* Create the GSInfo class, and add the RegisterGS function */
DefSQClass<GameInfo, ST_GS> SQGSInfo("GSInfo");
SQGSInfo.PreRegister(engine);
SQGSInfo.AddConstructor<void (GameInfo::*)(), 1>(engine, "x");
SQGSInfo.DefSQAdvancedMethod(engine, &GameInfo::AddSetting, "AddSetting");
SQGSInfo.DefSQAdvancedMethod(engine, &GameInfo::AddLabels, "AddLabels");
SQGSInfo.DefSQConst(engine, SCRIPTCONFIG_NONE, "CONFIG_NONE");
SQGSInfo.DefSQConst(engine, SCRIPTCONFIG_RANDOM, "CONFIG_RANDOM");
SQGSInfo.DefSQConst(engine, SCRIPTCONFIG_BOOLEAN, "CONFIG_BOOLEAN");
SQGSInfo.DefSQConst(engine, SCRIPTCONFIG_INGAME, "CONFIG_INGAME");
SQGSInfo.DefSQConst(engine, SCRIPTCONFIG_DEVELOPER, "CONFIG_DEVELOPER");
SQGSInfo.PostRegister(engine);
engine->AddMethod("RegisterGS", &GameInfo::Constructor, 2, "tx");
}
/* static */ SQInteger GameInfo::Constructor(HSQUIRRELVM vm)
{
/* Get the GameInfo */
SQUserPointer instance = NULL;
if (SQ_FAILED(sq_getinstanceup(vm, 2, &instance, 0)) || instance == NULL) return sq_throwerror(vm, "Pass an instance of a child class of GameInfo to RegisterGame");
GameInfo *info = (GameInfo *)instance;
SQInteger res = ScriptInfo::Constructor(vm, info);
if (res != 0) return res;
if (info->engine->MethodExists(*info->SQ_instance, "MinVersionToLoad")) {
if (!info->engine->CallIntegerMethod(*info->SQ_instance, "MinVersionToLoad", &info->min_loadable_version, MAX_GET_OPS)) return SQ_ERROR;
} else {
info->min_loadable_version = info->GetVersion();
}
/* When there is an IsSelectable function, call it. */
if (info->engine->MethodExists(*info->SQ_instance, "IsDeveloperOnly")) {
if (!info->engine->CallBoolMethod(*info->SQ_instance, "IsDeveloperOnly", &info->is_developer_only, MAX_GET_OPS)) return SQ_ERROR;
} else {
info->is_developer_only = false;
}
/* Try to get the API version the AI is written for. */
if (!info->CheckMethod("GetAPIVersion")) return SQ_ERROR;
if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetAPIVersion", &info->api_version, MAX_GET_OPS)) return SQ_ERROR;
if (!CheckAPIVersion(info->api_version)) {
DEBUG(script, 1, "Loading info.nut from (%s.%d): GetAPIVersion returned invalid version", info->GetName(), info->GetVersion());
return SQ_ERROR;
}
/* Remove the link to the real instance, else it might get deleted by RegisterGame() */
sq_setinstanceup(vm, 2, NULL);
/* Register the Game to the base system */
info->GetScanner()->RegisterScript(info);
return 0;
}
GameInfo::GameInfo() :
min_loadable_version(0),
is_developer_only(false),
api_version(NULL)
{
}
GameInfo::~GameInfo()
{
free(this->api_version);
}
bool GameInfo::CanLoadFromVersion(int version) const
{
if (version == -1) return true;
return version >= this->min_loadable_version && version <= this->GetVersion();
}
GameLibrary::~GameLibrary()
{
free(this->category);
}
/* static */ void GameLibrary::RegisterAPI(Squirrel *engine)
{
/* Create the GameLibrary class, and add the RegisterLibrary function */
engine->AddClassBegin("GSLibrary");
engine->AddClassEnd();
engine->AddMethod("RegisterLibrary", &GameLibrary::Constructor, 2, "tx");
}
/* static */ SQInteger GameLibrary::Constructor(HSQUIRRELVM vm)
{
/* Create a new library */
GameLibrary *library = new GameLibrary();
SQInteger res = ScriptInfo::Constructor(vm, library);
if (res != 0) {
delete library;
return res;
}
/* Cache the category */
if (!library->CheckMethod("GetCategory") || !library->engine->CallStringMethodStrdup(*library->SQ_instance, "GetCategory", &library->category, MAX_GET_OPS)) {
delete library;
return SQ_ERROR;
}
/* Register the Library to the base system */
library->GetScanner()->RegisterScript(library);
return 0;
}
|
