1 /*
2 * XPilot NG, a multiplayer space war game.
3 *
4 * Copyright (C) 1991-2001 by
5 *
6 * Bj�rn Stabell <bjoern@xpilot.org>
7 * Ken Ronny Schouten <ken@xpilot.org>
8 * Bert Gijsbers <bert@xpilot.org>
9 * Dick Balaska <dick@xpilot.org>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25
26 /*
27 * This file deals with low-level object structure manipulations.
28 */
29
30 #include "xpserver.h"
31
32 /*
33 * Global variables
34 */
35 int ObjCount = 0;
36 object_t *Obj[MAX_TOTAL_SHOTS];
37
38
Object_incr_count(void)39 static void Object_incr_count(void)
40 {
41 ObjCount++;
42 }
43
Object_decr_count(void)44 static void Object_decr_count(void)
45 {
46 ObjCount--;
47 }
48
Object_allocate(void)49 object_t *Object_allocate(void)
50 {
51 object_t *obj = OBJ_PTR(NULL);
52
53 if (ObjCount < MAX_TOTAL_SHOTS) {
54 obj = Obj[ObjCount];
55 Object_incr_count();
56
57 obj->type = OBJ_DEBRIS;
58 obj->life = 0;
59 }
60
61 return obj;
62 }
63
Object_free_ind(int ind)64 void Object_free_ind(int ind)
65 {
66 if ((0 <= ind) && (ind < ObjCount) && (ObjCount <= MAX_TOTAL_SHOTS)) {
67 object_t *obj = Obj[ind];
68 Object_decr_count();
69 Obj[ind] = Obj[ObjCount];
70 Obj[ObjCount] = obj;
71 } else
72 warn("Cannot free object %d, when count = %d, and total = %d !",
73 ind, ObjCount, MAX_TOTAL_SHOTS);
74 }
75
Object_free_ptr(object_t * obj)76 void Object_free_ptr(object_t *obj)
77 {
78 int i;
79
80 for (i = ObjCount - 1; i >= 0; i--) {
81 if (Obj[i] == obj) {
82 Object_free_ind(i);
83 break;
84 }
85 }
86 if (i < 0)
87 warn("Could NOT free object!");
88 }
89
90 static anyobject_t *objArray;
91
92 #define SHOWTYPESIZE(T) warn("sizeof(" #T ") = %d", sizeof(T))
93
Alloc_shots(int number)94 void Alloc_shots(int number)
95 {
96 anyobject_t *x;
97 int i;
98
99 #if 0
100 SHOWTYPESIZE(object_t);
101 SHOWTYPESIZE(ballobject_t);
102 SHOWTYPESIZE(mineobject_t);
103 SHOWTYPESIZE(missileobject_t);
104 SHOWTYPESIZE(smartobject_t);
105 SHOWTYPESIZE(torpobject_t);
106 SHOWTYPESIZE(heatobject_t);
107 SHOWTYPESIZE(wireobject_t);
108 SHOWTYPESIZE(pulseobject_t);
109 SHOWTYPESIZE(itemobject_t);
110 SHOWTYPESIZE(anyobject_t);
111 SHOWTYPESIZE(player_t);
112 #endif
113
114 x = (anyobject_t *) calloc((size_t)number, sizeof(anyobject_t));
115 if (!x) {
116 error("Not enough memory for shots.");
117 exit(1);
118 }
119
120 objArray = x;
121 for (i = 0; i < number; i++) {
122 Obj[i] = &(x->obj);
123 /* kps - shouldn't be necessary */
124 /*MINE_PTR(Obj[i])->mine_owner = NO_ID;*/
125 Cell_init_object(Obj[i]);
126 x++;
127 }
128 }
129
Free_shots(void)130 void Free_shots(void)
131 {
132 XFREE(objArray);
133 }
134
135
136 /* kps debug hack */
Object_typename(object_t * obj)137 const char *Object_typename(object_t *obj)
138 {
139 int type;
140
141 if (!obj)
142 return "none";
143
144 type = obj->type;
145
146 if (type == OBJ_PLAYER)
147 return "OBJ_PLAYER";
148 if (type == OBJ_DEBRIS)
149 return "OBJ_DEBRIS";
150 if (type == OBJ_SPARK)
151 return "OBJ_SPARK";
152 if (type == OBJ_BALL)
153 return "OBJ_BALL";
154 if (type == OBJ_SHOT)
155 return "OBJ_SHOT";
156 if (type == OBJ_SMART_SHOT)
157 return "OBJ_SMART_SHOT";
158 if (type == OBJ_MINE)
159 return "OBJ_MINE";
160 if (type == OBJ_TORPEDO)
161 return "OBJ_TORPEDO";
162 if (type == OBJ_HEAT_SHOT)
163 return "OBJ_HEAT_SHOT";
164 if (type == OBJ_PULSE)
165 return "OBJ_PULSE";
166 if (type == OBJ_ITEM)
167 return "OBJ_ITEM";
168 if (type == OBJ_WRECKAGE)
169 return "OBJ_WRECKAGE";
170 if (type == OBJ_ASTEROID)
171 return "OBJ_ASTEROID";
172 if (type == OBJ_CANNON_SHOT)
173 return "OBJ_CANNON_SHOT";
174 return "unknown type";
175 }
176