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
|
#include"board.h"
#include"pac.h"
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
Board* Board::_instance=0; //initializers
liststruct* Board::list=0;
liststruct* Board::oldlist=0;
Element* Board::board[BOARDWIDTH][BOARDHEIGHT]=initen;
G_Board* Board::gboard=0;
UserInterface* Board::u=0;
Board* Board::instance() { //returns the pointer to the instance
if (_instance==0)
_instance=new Board;
return _instance;
}
Board::Board() { //constructor
gboard=G_Board::instance(); //get instances of what we need
u=UserInterface::instance();
if (!u) { pacexit("no userinterface"); }
list=0; //initializers to null
int i,j;
for(j=0;j<BOARDHEIGHT;j++)
for(i=0;i<BOARDWIDTH;i++)
board[i][j]=0;
}
void Board::start(int level) { //initialize board for a given level
int i,j; //counters
Element *g; //pointer to the presently traversed element
char t; //what code for Element is it
for(j=0;j<BOARDHEIGHT;j++) //traverse all
for(i=0;i<BOARDWIDTH;i++) {
switch (t=boards[level-1][j][i]) { //cases for the code
case ' ':g=new Blank; break;
case 'O':g=new Walls; break;
case '.':g=new Food; break;
case 'o':g=new SuperFood; break;
case '_':g=new SpecialWall; break;
default: { g=new Blank; pacwarning("unrecognized");} break;
}
//get pattern translated to graphic element
g->gset(gboard->graphele(boards[level-1],i,j));
if (board[i][j]) delete board[i][j];
board[i][j]=g;
}
}
void Board::replace(Element*e) {}
int i,j;
Board::~Board() { //destructor
delete gboard;
for(j=0;j<BOARDHEIGHT;j++)
for(i=0;i<BOARDWIDTH;i++)
delete board[i][j];
}
void Board::draw(void) { //draw entire board
int i,j;
for(j=0;j<BOARDHEIGHT;j++)
for(i=0;i<BOARDWIDTH;i++)
board[i][j]->draw(i,j);
list=oldlist=0; //reset spritelists
u->waitsync(); //don't return until everything is drawn
}
void Board::delta_draw(void) { //draw changes of the board
int xx,yy; //coordinates
int zero;
liststruct *next, *oldnext, *temp, *oldtemp; //pointers to liststruct/element, current and to be displayed, and belonging temporaries
oldtemp=oldlist;
while (oldtemp) { //traverse the list of last sprites displayed
xx=oldtemp->x; //get coordinates of current element
yy=oldtemp->y;
temp=list;
// traverse the list of sprites to be display and check coordinates
while (temp && (xx!=temp->x || yy!=temp->y)) temp=temp->next;
zero=(xx==0 && yy==0); //if coordinates are both zero
if (!temp) board[xx][yy]->draw(xx,yy); //if temp==0, that is, if there is no
//new sprite to be displayed where
//a sprite now is display, then
//redraw the element from the board
oldtemp=oldtemp->next;
}
temp=list;
while (temp) { //traverse the list of sprites to be displayed
xx=temp->x; //get coordinates of current element
yy=temp->y;
oldtemp=oldlist;
// traverse the list of sprites currently display and check coordinates and if equal if the current and new grafical ids are the equal
while (oldtemp && (xx!=oldtemp->x || yy!=oldtemp->y || temp->gid!=oldtemp->gid))
oldtemp=oldtemp->next;
//if (oldtemp) printf("xxx%d %d %d\n",oldtemp->g,oldtemp->x,oldtemp->y);
if (!oldtemp) temp->g->draw();//if old temp==0, that
//is, if there is no identical
//new sprite to be displayed where
//a sprite now is display, then
//display the new sprite
temp=temp->next;
}
oldtemp=oldlist;
while (oldtemp) { //delete elements in the now previous sprite list
oldnext=oldtemp->next;
delete oldtemp;
oldtemp=oldnext;
}
if (zero && oldlist) { //personal thingie used for debug, not useful
oldtemp=oldlist;
while (oldtemp) {
pacwarning("zero");
// printf("%d %d %d ",oldtemp->gid,oldtemp->x,oldtemp->y);
oldtemp=oldtemp->next;
} // printf("\n");
temp=list;
while (temp) {
pacwarning("zero");
// printf("%d %d %d ",temp->gid,temp->x,temp->y);
temp=temp->next;
} // printf("\n\n");
}
oldlist=list;
list=0;
//printf("here4\n");
u->waitsync(); //don't return until everything is drawn
}
typ Board::what_is(int xx,int yy) {//what "class" element at coordinates is
return board[xx][yy]->is_a(); //return what kind of element is at xx,yy
}
void Board::eat(int xx,int yy) { //removes whats at coordinates
if (board[xx][yy]) delete board[xx][yy];//delete the element
board[xx][yy]=new Blank;//get a new one
board[xx][yy]->gset(gboard->graphele(' '));//set it to space=blank
}
void Board::sprite(DynamicElement *g) { //let dynamicelement be a sprite
liststruct *temp=0,*last=0; //resets to null
liststruct *ny=new liststruct; //get a new liststruct
ny->g=g; //get pointer to element
ny->gid=g->getgid(); //get it's grafical id
g->getxy(&ny->x,&ny->y); //and coordinates
temp=list;
while (temp && (temp->x!=ny->x || temp->y!=ny->y)) {//try to find next last
last=temp;
temp=temp->next;
}
//insert at last place
if (!temp) { //if the list was null it must be first
ny->next=temp;
if (temp==list)
list=ny;
else //put at back
last->next=ny;
}
/*
ny->next=list;
list=ny;
*/
/*
temp=list;
while (temp) {
printf("%d %d\n",temp,temp->g);
// temp->g->draw();
printf("%d %d\n",temp->x,temp->y);
printf("hehere\n");
temp=temp->next;
}
printf("\n\n");
*/
}
|
