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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | pmbaty | 1 | /* |
| 2 | * src/e_box.c |
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| 3 | * |
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| 4 | * Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net). All rights reserved. |
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| 5 | * |
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| 6 | * The use and distribution terms for this software are contained in the file |
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| 7 | * named README, which can be found in the root of this distribution. By |
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| 8 | * using this software in any fashion, you are agreeing to be bound by the |
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| 9 | * terms of this license. |
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| 10 | * |
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| 11 | * You must not remove this notice, or any other, from this software. |
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| 12 | */ |
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| 13 | |||
| 14 | #include "system.h" |
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| 15 | #include "game.h" |
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| 16 | #include "ents.h" |
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| 17 | #include "e_box.h" |
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| 18 | |||
| 19 | #include "e_bullet.h" |
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| 20 | #include "e_bomb.h" |
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| 21 | #include "e_rick.h" |
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| 22 | #include "maps.h" |
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| 23 | #include "util.h" |
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| 24 | |||
| 25 | /* |
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| 26 | * FIXME this is because the same structure is used |
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| 27 | * for all entities. Need to replace this w/ an inheritance |
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| 28 | * solution. |
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| 29 | */ |
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| 30 | #define cnt c1 |
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| 31 | |||
| 32 | /* |
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| 33 | * Constants |
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| 34 | */ |
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| 35 | #define SEQ_INIT 0x0A |
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| 36 | |||
| 37 | /* |
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| 38 | * Prototypes |
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| 39 | */ |
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| 40 | static void explode (U8); |
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| 41 | |||
| 42 | |||
| 43 | /* |
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| 44 | * Entity action |
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| 45 | * |
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| 46 | * ASM 245A |
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| 47 | */ |
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| 48 | void e_box_action (U8 e) |
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| 49 | { |
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| 50 | static U8 sp[] = {0x24, 0x25, 0x26, 0x27, 0x28}; /* explosion sprites sequence */ |
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| 51 | |||
| 52 | if (ent_ents[e].n & ENT_LETHAL) |
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| 53 | { |
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| 54 | /* |
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| 55 | * box is lethal i.e. exploding |
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| 56 | * play sprites sequence then stop |
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| 57 | */ |
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| 58 | ent_ents[e].sprite = sp[ent_ents[e].cnt >> 1]; |
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| 59 | |||
| 60 | if (--ent_ents[e].cnt == 0) |
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| 61 | { |
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| 62 | ent_ents[e].n = 0; |
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| 63 | map_marks[ent_ents[e].mark].ent |= MAP_MARK_NACT; |
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| 64 | } |
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| 65 | } |
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| 66 | else |
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| 67 | { |
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| 68 | if (E_RICK_STTST (E_RICK_STZOMBIE)) |
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| 69 | return; |
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| 70 | |||
| 71 | /* |
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| 72 | * not lethal: check to see if triggered |
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| 73 | */ |
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| 74 | if (e_rick_boxtest (e)) |
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| 75 | { |
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| 76 | /* rick: collect bombs or bullets and stop */ |
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| 77 | syssnd_play (WAV_BOX, 1); |
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| 78 | |||
| 79 | if (ent_ents[e].n == 0x10) |
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| 80 | game_bombs = GAME_BOMBS_INIT; |
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| 81 | else /* 0x11 */ |
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| 82 | game_bullets = GAME_BULLETS_INIT; |
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| 83 | |||
| 84 | ent_ents[e].n = 0; |
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| 85 | map_marks[ent_ents[e].mark].ent |= MAP_MARK_NACT; |
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| 86 | } |
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| 87 | else if (E_RICK_STTST (E_RICK_STSTOP) && u_fboxtest (e, e_rick_stop_x, e_rick_stop_y)) |
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| 88 | explode (e); // rick's stick: explode |
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| 89 | else if (E_BULLET_ENT.n && u_fboxtest(e, e_bullet_xc, e_bullet_yc)) |
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| 90 | { |
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| 91 | /* bullet: explode (and stop bullet) */ |
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| 92 | E_BULLET_ENT.n = 0; |
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| 93 | explode (e); |
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| 94 | } |
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| 95 | else if (e_bomb_lethal && e_bomb_hit (e)) |
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| 96 | explode (e); // bomb: explode |
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| 97 | } |
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| 98 | } |
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| 99 | |||
| 100 | |||
| 101 | /* |
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| 102 | * Explode when |
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| 103 | */ |
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| 104 | static void explode (U8 e) |
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| 105 | { |
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| 106 | ent_ents[e].cnt = SEQ_INIT; |
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| 107 | ent_ents[e].n |= ENT_LETHAL; |
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| 108 | syssnd_play (WAV_EXPLODE, 1); |
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| 109 | } |