1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 */
16
17 #ifndef UQM_GRPINFO_H_
18 #define UQM_GRPINFO_H_
19
20 #include "port.h"
21 #include "libs/compiler.h"
22 #include "displist.h"
23 #include "libs/gfxlib.h"
24 // for POINT
25 #include <assert.h>
26
27 #if defined(__cplusplus)
28 extern "C" {
29 #endif
30
31 // XXX: Needed to maintain savegame compatibility
32 #define NUM_SAVED_BATTLE_GROUPS 64
33
34 typedef HLINK HIPGROUP;
35
36 typedef struct
37 {
38 // LINK elements; must be first
39 HIPGROUP pred;
40 HIPGROUP succ;
41
42 UWORD group_counter;
43 BYTE race_id;
44 BYTE sys_loc;
45 BYTE task; // AKA mission
46 BYTE in_system;
47 // a simple != 0 flag
48 // In older savegames this will be >1, because
49 // CloneShipFragment was used to spawn groups,
50 // and it set this to crew_level values
51
52 BYTE dest_loc;
53 BYTE orbit_pos;
54 /* Also: saved prev dest_loc before intercept call,
55 * restored to dest_loc on all-clear */
56 BYTE group_id;
57 POINT loc;
58
59 FRAME melee_icon;
60 } IP_GROUP;
61
62 enum
63 {
64 IN_ORBIT = 0,
65 EXPLORE,
66 FLEE,
67 ON_STATION,
68
69 IGNORE_FLAGSHIP = 1 << 2,
70 REFORM_GROUP = 1 << 3
71 };
72 #define MAX_REVOLUTIONS 5
73
74 #define STATION_RADIUS 1600
75 #define ORBIT_RADIUS 2400
76
77 static inline IP_GROUP *
LockIpGroup(const QUEUE * pq,HIPGROUP h)78 LockIpGroup (const QUEUE *pq, HIPGROUP h)
79 {
80 assert (GetLinkSize (pq) == sizeof (IP_GROUP));
81 return (IP_GROUP *) LockLink (pq, h);
82 }
83
84 #define UnlockIpGroup(pq, h) UnlockLink (pq, h)
85 #define FreeIpGroup(pq, h) FreeLink (pq, h)
86
87 extern HIPGROUP BuildGroup (QUEUE *pDstQueue, BYTE race_id);
88
89 #if defined(__cplusplus)
90 }
91 #endif
92
93 #endif /* UQM_GRPINFO_H_ */
94