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
|
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 2005 Simon Howard
//
// This program 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; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
//-----------------------------------------------------------------------------
//
// DESCRIPTION:
// Functions and definitions relating to the game type and operational
// mode.
//
#include "doomtype.h"
#include "d_mode.h"
// Valid game mode/mission combinations, with the number of
// episodes/maps for each.
static struct
{
GameMission_t mission;
GameMode_t mode;
int episode;
int map;
} valid_modes[] = {
{ pack_chex, shareware, 1, 5 },
{ doom, shareware, 1, 9 },
{ doom, registered, 3, 9 },
{ doom, retail, 4, 9 },
{ doom2, commercial, 1, 32 },
{ pack_tnt, commercial, 1, 32 },
{ pack_plut, commercial, 1, 32 },
{ pack_hacx, commercial, 1, 32 },
{ heretic, shareware, 1, 9 },
{ heretic, registered, 3, 9 },
{ heretic, retail, 5, 9 },
{ hexen, commercial, 1, 60 },
{ strife, commercial, 1, 34 },
};
// Check that a gamemode+gamemission received over the network is valid.
boolean D_ValidGameMode(GameMission_t mission, GameMode_t mode)
{
int i;
for (i=0; i<arrlen(valid_modes); ++i)
{
if (valid_modes[i].mode == mode && valid_modes[i].mission == mission)
{
return true;
}
}
return false;
}
boolean D_ValidEpisodeMap(GameMission_t mission, GameMode_t mode,
int episode, int map)
{
int i;
// Hacks for Heretic secret episodes
if (mission == heretic)
{
if (mode == retail && episode == 6)
{
return map >= 1 && map <= 3;
}
else if (mode == registered && episode == 4)
{
return map == 1;
}
}
// Find the table entry for this mission/mode combination.
for (i=0; i<arrlen(valid_modes); ++i)
{
if (mission == valid_modes[i].mission
&& mode == valid_modes[i].mode)
{
return episode >= 1 && episode <= valid_modes[i].episode
&& map >= 1 && map <= valid_modes[i].map;
}
}
// Unknown mode/mission combination
return false;
}
// Get the number of valid episodes for the specified mission/mode.
int D_GetNumEpisodes(GameMission_t mission, GameMode_t mode)
{
int episode;
episode = 1;
while (D_ValidEpisodeMap(mission, mode, episode, 1))
{
++episode;
}
return episode - 1;
}
// Table of valid versions
static struct {
GameMission_t mission;
GameVersion_t version;
} valid_versions[] = {
{ doom, exe_doom_1_9 },
{ doom, exe_hacx },
{ doom, exe_ultimate },
{ doom, exe_final },
{ doom, exe_final2 },
{ doom, exe_chex },
{ heretic, exe_heretic_1_3 },
{ hexen, exe_hexen_1_1 },
{ strife, exe_strife_1_2 },
{ strife, exe_strife_1_31 },
};
boolean D_ValidGameVersion(GameMission_t mission, GameVersion_t version)
{
int i;
// All Doom variants can use the Doom versions.
if (mission == doom2 || mission == pack_plut || mission == pack_tnt
|| mission == pack_hacx || mission == pack_chex)
{
mission = doom;
}
for (i=0; i<arrlen(valid_versions); ++i)
{
if (valid_versions[i].mission == mission
&& valid_versions[i].version == version)
{
return true;
}
}
return false;
}
// Does this mission type use ExMy form, rather than MAPxy form?
boolean D_IsEpisodeMap(GameMission_t mission)
{
switch (mission)
{
case doom:
case heretic:
case pack_chex:
return true;
case none:
case hexen:
case doom2:
case pack_hacx:
case pack_tnt:
case pack_plut:
case strife:
default:
return false;
}
}
char *D_GameMissionString(GameMission_t mission)
{
switch (mission)
{
case none:
return "none";
case doom:
return "doom";
case doom2:
return "doom2";
case pack_tnt:
return "tnt";
case pack_plut:
return "plutonia";
case pack_hacx:
return "hacx";
case pack_chex:
return "chex";
case heretic:
return "heretic";
case hexen:
return "hexen";
case strife:
return "strife";
}
}
|
