Home » Archimedes archive » Acorn User » AU 1997-01 B.adf » Features » Arcade/!Popcorn/c/NewProto
Arcade/!Popcorn/c/NewProto
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| Tape/disk: | Home » Archimedes archive » Acorn User » AU 1997-01 B.adf » Features |
| Filename: | Arcade/!Popcorn/c/NewProto |
| Read OK: | ✔ |
| File size: | 0540 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
#include <stdlib.h>
#include "DeskLib:h.Error"
#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)
Error_ReportFatal(0, "Prototype %08X not found", prototype_id);
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 44 |.h>..#include "D|
00000020 65 73 6b 4c 69 62 3a 68 2e 45 72 72 6f 72 22 0a |eskLib:h.Error".|
00000030 0a 23 69 6e 63 6c 75 64 65 20 22 50 6f 70 63 6f |.#include "Popco|
00000040 72 6e 3a 68 2e 50 6f 70 63 6f 72 6e 22 0a 0a 73 |rn:h.Popcorn"..s|
00000050 74 72 75 63 74 20 67 61 6d 65 5f 6f 62 6a 65 63 |truct game_objec|
00000060 74 20 2a 50 6f 70 63 6f 72 6e 5f 4e 65 77 50 72 |t *Popcorn_NewPr|
00000070 6f 74 6f 74 79 70 65 28 73 74 72 75 63 74 20 6f |ototype(struct o|
00000080 62 6a 65 63 74 5f 74 61 62 6c 65 20 2a 74 61 62 |bject_table *tab|
00000090 6c 65 2c 0a 20 20 20 20 20 20 20 09 09 20 20 20 |le,. .. |
000000a0 09 09 09 20 20 69 6e 74 09 20 09 20 20 20 20 20 |... int. . |
000000b0 20 70 72 6f 74 6f 74 79 70 65 5f 69 64 2c 0a 20 | prototype_id,. |
000000c0 20 20 20 20 20 20 09 09 20 20 20 09 09 09 20 20 | .. ... |
000000d0 69 6e 74 09 09 20 20 20 20 20 20 78 2c 0a 20 20 |int.. x,. |
000000e0 20 20 20 20 20 09 09 20 20 20 09 09 09 20 20 69 | .. ... i|
000000f0 6e 74 09 09 20 20 20 20 20 20 79 29 0a 7b 0a 20 |nt.. y).{. |
00000100 20 69 6e 74 20 20 20 20 20 20 20 20 20 20 20 20 | int |
00000110 20 20 20 20 20 20 63 20 3d 20 30 3b 0a 20 20 73 | c = 0;. s|
00000120 74 72 75 63 74 20 67 61 6d 65 5f 6f 62 6a 65 63 |truct game_objec|
00000130 74 20 20 20 2a 6f 62 6a 3b 0a 0a 20 20 77 68 69 |t *obj;.. whi|
00000140 6c 65 20 28 20 70 72 6f 74 6f 74 79 70 65 5b 63 |le ( prototype[c|
00000150 5d 2d 3e 69 64 20 21 3d 20 70 72 6f 74 6f 74 79 |]->id != prototy|
00000160 70 65 5f 69 64 20 26 26 20 63 20 21 3d 20 70 72 |pe_id && c != pr|
00000170 6f 74 6f 74 79 70 65 5f 66 72 65 65 20 29 0a 20 |ototype_free ). |
00000180 20 20 20 63 2b 2b 3b 20 2f 2a 20 46 69 6e 64 20 | c++; /* Find |
00000190 70 72 6f 74 6f 74 79 70 65 20 2a 2f 0a 0a 20 20 |prototype */.. |
000001a0 69 66 20 28 63 20 3d 3d 20 70 72 6f 74 6f 74 79 |if (c == prototy|
000001b0 70 65 5f 66 72 65 65 29 0a 20 20 20 20 45 72 72 |pe_free). Err|
000001c0 6f 72 5f 52 65 70 6f 72 74 46 61 74 61 6c 28 30 |or_ReportFatal(0|
000001d0 2c 20 22 50 72 6f 74 6f 74 79 70 65 20 25 30 38 |, "Prototype %08|
000001e0 58 20 6e 6f 74 20 66 6f 75 6e 64 22 2c 20 70 72 |X not found", pr|
000001f0 6f 74 6f 74 79 70 65 5f 69 64 29 3b 0a 0a 20 20 |ototype_id);.. |
00000200 6f 62 6a 20 3d 20 50 6f 70 63 6f 72 6e 5f 4e 65 |obj = Popcorn_Ne|
00000210 77 4f 62 6a 65 63 74 28 74 61 62 6c 65 29 3b 0a |wObject(table);.|
00000220 20 20 69 66 20 28 6f 62 6a 20 3d 3d 20 4e 55 4c | if (obj == NUL|
00000230 4c 29 0a 20 20 20 20 72 65 74 75 72 6e 28 4e 55 |L). return(NU|
00000240 4c 4c 29 3b 20 2f 2a 20 43 68 65 63 6b 20 77 65 |LL); /* Check we|
00000250 27 76 65 20 67 6f 74 20 73 70 61 63 65 20 69 6e |'ve got space in|
00000260 20 74 68 65 20 74 61 62 6c 65 20 2a 2f 0a 0a 2f | the table */../|
00000270 2a 20 46 69 6c 6c 20 6f 62 6a 65 63 74 27 73 20 |* Fill object's |
00000280 69 6e 66 6f 72 6d 61 74 69 6f 6e 20 2a 2f 0a 0a |information */..|
00000290 20 20 6f 62 6a 2d 3e 6f 62 6a 65 63 74 5f 69 64 | obj->object_id|
000002a0 20 3d 20 70 72 6f 74 6f 74 79 70 65 5f 69 64 3b | = prototype_id;|
000002b0 20 6f 62 6a 2d 3e 78 20 3d 20 78 3b 20 6f 62 6a | obj->x = x; obj|
000002c0 2d 3e 79 20 3d 20 79 3b 0a 20 20 6f 62 6a 2d 3e |->y = y;. obj->|
000002d0 66 6c 61 67 73 20 3d 20 70 72 6f 74 6f 74 79 70 |flags = prototyp|
000002e0 65 5b 63 5d 2d 3e 66 6c 61 67 73 3b 20 6f 62 6a |e[c]->flags; obj|
000002f0 2d 3e 68 61 6e 64 6c 65 72 20 3d 20 70 72 6f 74 |->handler = prot|
00000300 6f 74 79 70 65 5b 63 5d 2d 3e 68 61 6e 64 6c 65 |otype[c]->handle|
00000310 72 3b 0a 20 20 6f 62 6a 2d 3e 66 72 61 6d 65 20 |r;. obj->frame |
00000320 3d 20 6f 62 6a 2d 3e 74 69 6d 65 72 2e 76 61 6c |= obj->timer.val|
00000330 75 65 20 3d 20 6f 62 6a 2d 3e 74 69 6d 65 72 2e |ue = obj->timer.|
00000340 64 65 63 72 65 6d 65 6e 74 20 3d 20 6f 62 6a 2d |decrement = obj-|
00000350 3e 78 76 20 3d 20 6f 62 6a 2d 3e 79 76 20 3d 20 |>xv = obj->yv = |
00000360 30 3b 0a 20 20 6f 62 6a 2d 3e 75 73 65 72 5f 64 |0;. obj->user_d|
00000370 61 74 61 20 3d 20 4e 55 4c 4c 3b 0a 0a 20 20 6f |ata = NULL;.. o|
00000380 62 6a 2d 3e 73 69 7a 65 2e 78 20 3d 20 70 72 6f |bj->size.x = pro|
00000390 74 6f 74 79 70 65 5b 63 5d 2d 3e 61 6e 69 6d 61 |totype[c]->anima|
000003a0 74 69 6f 6e 2e 66 72 61 6d 65 5b 30 5d 2e 73 69 |tion.frame[0].si|
000003b0 7a 65 5f 78 3b 0a 20 20 6f 62 6a 2d 3e 73 69 7a |ze_x;. obj->siz|
000003c0 65 2e 79 20 3d 20 70 72 6f 74 6f 74 79 70 65 5b |e.y = prototype[|
000003d0 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 2e 66 72 |c]->animation.fr|
000003e0 61 6d 65 5b 30 5d 2e 73 69 7a 65 5f 79 3b 0a 20 |ame[0].size_y;. |
000003f0 20 6f 62 6a 2d 3e 70 6c 6f 74 5f 6f 66 66 73 65 | obj->plot_offse|
00000400 74 2e 78 20 3d 20 70 72 6f 74 6f 74 79 70 65 5b |t.x = prototype[|
00000410 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 2e 66 72 |c]->animation.fr|
00000420 61 6d 65 5b 30 5d 2e 63 65 6e 74 72 65 5f 78 3b |ame[0].centre_x;|
00000430 0a 20 20 6f 62 6a 2d 3e 70 6c 6f 74 5f 6f 66 66 |. obj->plot_off|
00000440 73 65 74 2e 79 20 3d 20 70 72 6f 74 6f 74 79 70 |set.y = prototyp|
00000450 65 5b 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 2e |e[c]->animation.|
00000460 66 72 61 6d 65 5b 30 5d 2e 63 65 6e 74 72 65 5f |frame[0].centre_|
00000470 79 3b 0a 0a 20 20 69 66 20 28 70 72 6f 74 6f 74 |y;.. if (protot|
00000480 79 70 65 5b 63 5d 2d 3e 61 6e 69 6d 61 74 69 6f |ype[c]->animatio|
00000490 6e 2e 66 72 61 6d 65 73 20 3d 3d 20 31 29 0a 20 |n.frames == 1). |
000004a0 20 20 20 6f 62 6a 2d 3e 70 6c 6f 74 5f 69 64 2e | obj->plot_id.|
000004b0 73 70 72 69 74 65 5f 61 6e 63 68 6f 72 20 3d 20 |sprite_anchor = |
000004c0 70 72 6f 74 6f 74 79 70 65 5b 63 5d 2d 3e 61 6e |prototype[c]->an|
000004d0 69 6d 61 74 69 6f 6e 2e 66 72 61 6d 65 5b 30 5d |imation.frame[0]|
000004e0 2e 73 70 72 69 74 65 5f 61 6e 63 68 6f 72 3b 0a |.sprite_anchor;.|
000004f0 20 20 65 6c 73 65 0a 20 20 20 20 6f 62 6a 2d 3e | else. obj->|
00000500 70 6c 6f 74 5f 69 64 2e 61 6e 69 6d 61 74 69 6f |plot_id.animatio|
00000510 6e 20 3d 20 26 70 72 6f 74 6f 74 79 70 65 5b 63 |n = &prototype[c|
00000520 5d 2d 3e 61 6e 69 6d 61 74 69 6f 6e 3b 0a 0a 20 |]->animation;.. |
00000530 20 72 65 74 75 72 6e 28 6f 62 6a 29 3b 0a 7d 0a | return(obj);.}.|
00000540 
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