Home » Archimedes archive » Acorn User » AU 1996-Xmas.adf » Features » Arcade/!Popcorn/c/NewProto
Arcade/!Popcorn/c/NewProto
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Archimedes archive » Acorn User » AU 1996-Xmas.adf » Features |
| Filename: | Arcade/!Popcorn/c/NewProto |
| Read OK: | ✔ |
| File size: | 04F2 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
#include <stdlib.h>
#include "Popcorn:h.Popcorn"
struct game_object *Popcorn_NewPrototype(struct object_table *table,
int prototype_id,
int x,
int y)
{
int c = 0;
struct game_object *obj;
while ( prototype[c]->id != prototype_id && c != prototype_free )
c++; /* Find prototype */
if (c == prototype_free)
return(NULL);
obj = Popcorn_NewObject(table);
if (obj == NULL)
return(NULL); /* Check we've got space in the table */
/* Fill object's information */
obj->object_id = prototype_id; obj->x = x; obj->y = y;
obj->flags = prototype[c]->flags; obj->handler = prototype[c]->handler;
obj->frame = obj->timer.value = obj->timer.decrement = obj->xv = obj->yv = 0;
obj->user_data = NULL;
obj->size.x = prototype[c]->animation.frame[0].size_x;
obj->size.y = prototype[c]->animation.frame[0].size_y;
obj->plot_offset.x = prototype[c]->animation.frame[0].centre_x;
obj->plot_offset.y = prototype[c]->animation.frame[0].centre_y;
if (prototype[c]->animation.frames == 1)
obj->plot_id.sprite_anchor = prototype[c]->animation.frame[0].sprite_anchor;
else
obj->plot_id.animation = &prototype[c]->animation;
return(obj);
}
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 67 61 6d 65 5f 6f |"..struct game_o|
00000040 62 6a 65 63 74 20 2a 50 6f 70 63 6f 72 6e 5f 4e |bject *Popcorn_N|
00000050 65 77 50 72 6f 74 6f 74 79 70 65 28 73 74 72 75 |ewPrototype(stru|
00000060 63 74 20 6f 62 6a 65 63 74 5f 74 61 62 6c 65 20 |ct object_table |
00000070 2a 74 61 62 6c 65 2c 0a 20 20 20 20 20 20 20 09 |*table,. .|
00000080 09 20 20 20 09 09 09 20 20 69 6e 74 09 20 09 20 |. ... int. . |
00000090 20 20 20 20 20 70 72 6f 74 6f 74 79 70 65 5f 69 | prototype_i|
000000a0 64 2c 0a 20 20 20 20 20 20 20 09 09 20 20 20 09 |d,. .. .|
000000b0 09 09 20 20 69 6e 74 09 09 20 20 20 20 20 20 78 |.. int.. x|
000000c0 2c 0a 20 20 20 20 20 20 20 09 09 20 20 20 09 09 |,. .. ..|
000000d0 09 20 20 69 6e 74 09 09 20 20 20 20 20 20 79 29 |. int.. y)|
000000e0 0a 7b 0a 20 20 69 6e 74 20 20 20 20 20 20 20 20 |.{. int |
000000f0 20 20 20 20 20 20 20 20 20 20 63 20 3d 20 30 3b | c = 0;|
00000100 0a 20 20 73 74 72 75 63 74 20 67 61 6d 65 5f 6f |. struct game_o|
00000110 62 6a 65 63 74 20 20 20 2a 6f 62 6a 3b 0a 0a 20 |bject *obj;.. |
00000120 20 77 68 69 6c 65 20 28 20 70 72 6f 74 6f 74 79 | while ( prototy|
00000130 70 65 5b 63 5d 2d 3e 69 64 20 21 3d 20 70 72 6f |pe[c]->id != pro|
00000140 74 6f 74 79 70 65 5f 69 64 20 26 26 20 63 20 21 |totype_id && c !|
00000150 3d 20 70 72 6f 74 6f 74 79 70 65 5f 66 72 65 65 |= prototype_free|
00000160 20 29 0a 20 20 20 20 63 2b 2b 3b 20 2f 2a 20 46 | ). c++; /* F|
00000170 69 6e 64 20 70 72 6f 74 6f 74 79 70 65 20 2a 2f |ind prototype */|
00000180 0a 0a 20 20 69 66 20 28 63 20 3d 3d 20 70 72 6f |.. if (c == pro|
00000190 74 6f 74 79 70 65 5f 66 72 65 65 29 0a 20 20 20 |totype_free). |
000001a0 20 72 65 74 75 72 6e 28 4e 55 4c 4c 29 3b 0a 0a | return(NULL);..|
000001b0 20 20 6f 62 6a 20 3d 20 50 6f 70 63 6f 72 6e 5f | obj = Popcorn_|
000001c0 4e 65 77 4f 62 6a 65 63 74 28 74 61 62 6c 65 29 |NewObject(table)|
000001d0 3b 0a 20 20 69 66 20 28 6f 62 6a 20 3d 3d 20 4e |;. if (obj == N|
000001e0 55 4c 4c 29 0a 20 20 20 20 72 65 74 75 72 6e 28 |ULL). return(|
000001f0 4e 55 4c 4c 29 3b 20 2f 2a 20 43 68 65 63 6b 20 |NULL); /* Check |
00000200 77 65 27 76 65 20 67 6f 74 20 73 70 61 63 65 20 |we've got space |
00000210 69 6e 20 74 68 65 20 74 61 62 6c 65 20 2a 2f 0a |in the table */.|
00000220 0a 2f 2a 20 46 69 6c 6c 20 6f 62 6a 65 63 74 27 |./* Fill object'|
00000230 73 20 69 6e 66 6f 72 6d 61 74 69 6f 6e 20 2a 2f |s information */|
00000240 0a 0a 20 20 6f 62 6a 2d 3e 6f 62 6a 65 63 74 5f |.. obj->object_|
00000250 69 64 20 3d 20 70 72 6f 74 6f 74 79 70 65 5f 69 |id = prototype_i|
00000260 64 3b 20 6f 62 6a 2d 3e 78 20 3d 20 78 3b 20 6f |d; obj->x = x; o|
00000270 62 6a 2d 3e 79 20 3d 20 79 3b 0a 20 20 6f 62 6a |bj->y = y;. obj|
00000280 2d 3e 66 6c 61 67 73 20 3d 20 70 72 6f 74 6f 74 |->flags = protot|
00000290 79 70 65 5b 63 5d 2d 3e 66 6c 61 67 73 3b 20 6f |ype[c]->flags; o|
000002a0 62 6a 2d 3e 68 61 6e 64 6c 65 72 20 3d 20 70 72 |bj->handler = pr|
000002b0 6f 74 6f 74 79 70 65 5b 63 5d 2d 3e 68 61 6e 64 |ototype[c]->hand|
000002c0 6c 65 72 3b 0a 20 20 6f 62 6a 2d 3e 66 72 61 6d |ler;. obj->fram|
000002d0 65 20 3d 20 6f 62 6a 2d 3e 74 69 6d 65 72 2e 76 |e = obj->timer.v|
000002e0 61 6c 75 65 20 3d 20 6f 62 6a 2d 3e 74 69 6d 65 |alue = obj->time|
000002f0 72 2e 64 65 63 72 65 6d 65 6e 74 20 3d 20 6f 62 |r.decrement = ob|
00000300 6a 2d 3e 78 76 20 3d 20 6f 62 6a 2d 3e 79 76 20 |j->xv = obj->yv |
00000310 3d 20 30 3b 0a 20 20 6f 62 6a 2d 3e 75 73 65 72 |= 0;. obj->user|
00000320 5f 64 61 74 61 20 3d 20 4e 55 4c 4c 3b 0a 0a 20 |_data = NULL;.. |
00000330 20 6f 62 6a 2d 3e 73 69 7a 65 2e 78 20 3d 20 70 | obj->size.x = p|
00000340 72 6f 74 6f 74 79 70 65 5b 63 5d 2d 3e 61 6e 69 |rototype[c]->ani|
00000350 6d 61 74 69 6f 6e 2e 66 72 61 6d 65 5b 30 5d 2e |mation.frame[0].|
00000360 73 69 7a 65 5f 78 3b 0a 20 20 6f 62 6a 2d 3e 73 |size_x;. obj->s|
00000370 69 7a 65 2e 79 20 3d 20 70 72 6f 74 6f 74 79 70 |ize.y = prototyp|
00000380 65 5b 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 2e |e[c]->animation.|
00000390 66 72 61 6d 65 5b 30 5d 2e 73 69 7a 65 5f 79 3b |frame[0].size_y;|
000003a0 0a 20 20 6f 62 6a 2d 3e 70 6c 6f 74 5f 6f 66 66 |. obj->plot_off|
000003b0 73 65 74 2e 78 20 3d 20 70 72 6f 74 6f 74 79 70 |set.x = prototyp|
000003c0 65 5b 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 2e |e[c]->animation.|
000003d0 66 72 61 6d 65 5b 30 5d 2e 63 65 6e 74 72 65 5f |frame[0].centre_|
000003e0 78 3b 0a 20 20 6f 62 6a 2d 3e 70 6c 6f 74 5f 6f |x;. obj->plot_o|
000003f0 66 66 73 65 74 2e 79 20 3d 20 70 72 6f 74 6f 74 |ffset.y = protot|
00000400 79 70 65 5b 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f |ype[c]->animatio|
00000410 6e 2e 66 72 61 6d 65 5b 30 5d 2e 63 65 6e 74 72 |n.frame[0].centr|
00000420 65 5f 79 3b 0a 0a 20 20 69 66 20 28 70 72 6f 74 |e_y;.. if (prot|
00000430 6f 74 79 70 65 5b 63 5d 2d 3e 61 6e 69 6d 61 74 |otype[c]->animat|
00000440 69 6f 6e 2e 66 72 61 6d 65 73 20 3d 3d 20 31 29 |ion.frames == 1)|
00000450 0a 20 20 20 20 6f 62 6a 2d 3e 70 6c 6f 74 5f 69 |. obj->plot_i|
00000460 64 2e 73 70 72 69 74 65 5f 61 6e 63 68 6f 72 20 |d.sprite_anchor |
00000470 3d 20 70 72 6f 74 6f 74 79 70 65 5b 63 5d 2d 3e |= prototype[c]->|
00000480 61 6e 69 6d 61 74 69 6f 6e 2e 66 72 61 6d 65 5b |animation.frame[|
00000490 30 5d 2e 73 70 72 69 74 65 5f 61 6e 63 68 6f 72 |0].sprite_anchor|
000004a0 3b 0a 20 20 65 6c 73 65 0a 20 20 20 20 6f 62 6a |;. else. obj|
000004b0 2d 3e 70 6c 6f 74 5f 69 64 2e 61 6e 69 6d 61 74 |->plot_id.animat|
000004c0 69 6f 6e 20 3d 20 26 70 72 6f 74 6f 74 79 70 65 |ion = &prototype|
000004d0 5b 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 3b 0a |[c]->animation;.|
000004e0 0a 20 20 72 65 74 75 72 6e 28 6f 62 6a 29 3b 0a |. return(obj);.|
000004f0 7d 0a |}.|
000004f2 
.