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
|
/*
* Copyright (C) 2000-2001 The Exult Team
*
* 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.
*/
#ifndef _UCSCHED_H
#define _UCSCHED_H
class Game_object;
class Usecode_value;
class Usecode_internal;
#include "tqueue.h"
/*
* A class for executing usecode at a scheduled time:
*/
class Usecode_script : public Time_sensitive
{
static int count; // Total # of these around.
static Usecode_script *first;// ->chain of all of them.
Usecode_script *next, *prev; // Next/prev. in global chain.
Game_object *obj; // From objval.
Usecode_value *code; // Array of code to execute.
int cnt; // Length of arrval.
int i; // Current index.
int frame_index; // For taking steps.
bool no_halt; // 1 to ignore halt().
bool must_finish; // 1 to finish before deleting.
int delay; // Used for restoring.
// For restore:
Usecode_script(Game_object *item, Usecode_value *cd, int findex,
int nhalt, int del);
public:
Usecode_script(Game_object *o, Usecode_value *cd = 0);
~Usecode_script();
void start(long delay = 1); // Start after 'delay' msecs.
long get_delay() const
{ return delay; }
void halt(); // Stop executing.
bool is_no_halt() const // Is the 'no_halt' flag set?
{ return no_halt; }
int is_activated() // Started already?
{ return i > 0; }
void add(int v1); // Append new instructions:
void add(int v1, int v2);
void add(int v1, const char *str);
void add(int *vals, int cnt);
Usecode_script& operator<<(int v)
{ add(v); return *this; }
inline void activate_egg(Usecode_internal *usecode, Game_object *e);
static int get_count()
{ return count; }
// Find for given item.
static Usecode_script *find(Game_object *srch,
Usecode_script *last_found = 0);
static void terminate(Game_object *obj);
static void clear(); // Delete all.
// Remove all whose objs. are too far.
static void purge(Tile_coord pos, int dist);
virtual void handle_event(unsigned long curtime, long udata);
int exec(Usecode_internal *usecode, bool finish);
// Move object in given direction.
void step(Usecode_internal *usecode, int dir);
// Save/restore.
int save(unsigned char *buf, int buflen);
static Usecode_script *restore(Game_object *item,
unsigned char *buf, int buflen);
void print(std::ostream& out); // Print values.
};
#endif
|
