Home » Archimedes archive » Acorn User » AU 1996-Xmas.adf » Features » Arcade/!Popcorn/c/NewTable

Arcade/!Popcorn/c/NewTable

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Tape/disk: Home » Archimedes archive » Acorn User » AU 1996-Xmas.adf » Features
Filename: Arcade/!Popcorn/c/NewTable
Read OK:
File size: 0296 bytes
Load address: 0000
Exec address: 0000
Duplicates

There is 1 duplicate copy of this file in the archive:

File contents
#include <stdlib.h>

#include "Popcorn:h.Popcorn"

struct object_table* Popcorn_NewTable(int max_objects, BOOL collisions)
{
  int                 c;
  struct object_table *table = malloc( (sizeof(struct object_table)) + ((max_objects-1)*sizeof(struct game_object)) );

  table->max_objects = max_objects;
  table->next_free = 0;
  table->grav_x = table->grav_y = 0;

  if (collisions)
    table->collisions = malloc(sizeof(struct collision_table)+sizeof(struct collision_object)*(max_objects-1));
  else
    table->collisions = NULL;

  for (c=0; c<max_objects; c++)
    table->object[c].object_id = 0;

  table->header = TABLE_HEADER_WORD;

  return(table);
}
00000000  23 69 6e 63 6c 75 64 65  20 3c 73 74 64 6c 69 62  |#include <stdlib|
00000010  2e 68 3e 0a 0a 23 69 6e  63 6c 75 64 65 20 22 50  |.h>..#include "P|
00000020  6f 70 63 6f 72 6e 3a 68  2e 50 6f 70 63 6f 72 6e  |opcorn:h.Popcorn|
00000030  22 0a 0a 73 74 72 75 63  74 20 6f 62 6a 65 63 74  |"..struct object|
00000040  5f 74 61 62 6c 65 2a 20  50 6f 70 63 6f 72 6e 5f  |_table* Popcorn_|
00000050  4e 65 77 54 61 62 6c 65  28 69 6e 74 20 6d 61 78  |NewTable(int max|
00000060  5f 6f 62 6a 65 63 74 73  2c 20 42 4f 4f 4c 20 63  |_objects, BOOL c|
00000070  6f 6c 6c 69 73 69 6f 6e  73 29 0a 7b 0a 20 20 69  |ollisions).{.  i|
00000080  6e 74 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |nt              |
00000090  20 20 20 63 3b 0a 20 20  73 74 72 75 63 74 20 6f  |   c;.  struct o|
000000a0  62 6a 65 63 74 5f 74 61  62 6c 65 20 2a 74 61 62  |bject_table *tab|
000000b0  6c 65 20 3d 20 6d 61 6c  6c 6f 63 28 20 28 73 69  |le = malloc( (si|
000000c0  7a 65 6f 66 28 73 74 72  75 63 74 20 6f 62 6a 65  |zeof(struct obje|
000000d0  63 74 5f 74 61 62 6c 65  29 29 20 2b 20 28 28 6d  |ct_table)) + ((m|
000000e0  61 78 5f 6f 62 6a 65 63  74 73 2d 31 29 2a 73 69  |ax_objects-1)*si|
000000f0  7a 65 6f 66 28 73 74 72  75 63 74 20 67 61 6d 65  |zeof(struct game|
00000100  5f 6f 62 6a 65 63 74 29  29 20 29 3b 0a 0a 20 20  |_object)) );..  |
00000110  74 61 62 6c 65 2d 3e 6d  61 78 5f 6f 62 6a 65 63  |table->max_objec|
00000120  74 73 20 3d 20 6d 61 78  5f 6f 62 6a 65 63 74 73  |ts = max_objects|
00000130  3b 0a 20 20 74 61 62 6c  65 2d 3e 6e 65 78 74 5f  |;.  table->next_|
00000140  66 72 65 65 20 3d 20 30  3b 0a 20 20 74 61 62 6c  |free = 0;.  tabl|
00000150  65 2d 3e 67 72 61 76 5f  78 20 3d 20 74 61 62 6c  |e->grav_x = tabl|
00000160  65 2d 3e 67 72 61 76 5f  79 20 3d 20 30 3b 0a 0a  |e->grav_y = 0;..|
00000170  20 20 69 66 20 28 63 6f  6c 6c 69 73 69 6f 6e 73  |  if (collisions|
00000180  29 0a 20 20 20 20 74 61  62 6c 65 2d 3e 63 6f 6c  |).    table->col|
00000190  6c 69 73 69 6f 6e 73 20  3d 20 6d 61 6c 6c 6f 63  |lisions = malloc|
000001a0  28 73 69 7a 65 6f 66 28  73 74 72 75 63 74 20 63  |(sizeof(struct c|
000001b0  6f 6c 6c 69 73 69 6f 6e  5f 74 61 62 6c 65 29 2b  |ollision_table)+|
000001c0  73 69 7a 65 6f 66 28 73  74 72 75 63 74 20 63 6f  |sizeof(struct co|
000001d0  6c 6c 69 73 69 6f 6e 5f  6f 62 6a 65 63 74 29 2a  |llision_object)*|
000001e0  28 6d 61 78 5f 6f 62 6a  65 63 74 73 2d 31 29 29  |(max_objects-1))|
000001f0  3b 0a 20 20 65 6c 73 65  0a 20 20 20 20 74 61 62  |;.  else.    tab|
00000200  6c 65 2d 3e 63 6f 6c 6c  69 73 69 6f 6e 73 20 3d  |le->collisions =|
00000210  20 4e 55 4c 4c 3b 0a 0a  20 20 66 6f 72 20 28 63  | NULL;..  for (c|
00000220  3d 30 3b 20 63 3c 6d 61  78 5f 6f 62 6a 65 63 74  |=0; c<max_object|
00000230  73 3b 20 63 2b 2b 29 0a  20 20 20 20 74 61 62 6c  |s; c++).    tabl|
00000240  65 2d 3e 6f 62 6a 65 63  74 5b 63 5d 2e 6f 62 6a  |e->object[c].obj|
00000250  65 63 74 5f 69 64 20 3d  20 30 3b 0a 0a 20 20 74  |ect_id = 0;..  t|
00000260  61 62 6c 65 2d 3e 68 65  61 64 65 72 20 3d 20 54  |able->header = T|
00000270  41 42 4c 45 5f 48 45 41  44 45 52 5f 57 4f 52 44  |ABLE_HEADER_WORD|
00000280  3b 0a 0a 20 20 72 65 74  75 72 6e 28 74 61 62 6c  |;..  return(tabl|
00000290  65 29 3b 0a 7d 0a                                 |e);.}.|
00000296