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https://github.com/Rockbox/rockbox.git
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102c374248
original xrick code by 'BigOrno' at: http://www.bigorno.net/xrick/ Rockbox port, plus bugfixes at: https://github.com/pierluigi-vicinanza/xrick Further changes: * Additonal fixes from g#3026 * Port to modern plugin API * Add Pluginlib keymap fallback * Support all >1bpp screens * Fix build warnings in miniz * Better error message when resources are missing Change-Id: Id83928bc2539901b0221692f65cbca41389c58e7
84 lines
1.7 KiB
C
84 lines
1.7 KiB
C
/*
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* xrick/e_bullet.c
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*
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* Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net).
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* Copyright (C) 2008-2014 Pierluigi Vicinanza.
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* All rights reserved.
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*
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* The use and distribution terms for this software are contained in the file
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* named README, which can be found in the root of this distribution. By
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* using this software in any fashion, you are agreeing to be bound by the
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* terms of this license.
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*
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* You must not remove this notice, or any other, from this software.
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*/
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#include "xrick/e_bullet.h"
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#include "xrick/system/system.h"
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#include "xrick/game.h"
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#include "xrick/ents.h"
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#include "xrick/maps.h"
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/*
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* public vars (for performance reasons)
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*/
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S8 e_bullet_offsx;
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S16 e_bullet_xc, e_bullet_yc;
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/*
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* Initialize bullet
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*/
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void
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e_bullet_init(U16 x, U16 y)
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{
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E_BULLET_ENT.n = 0x02;
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E_BULLET_ENT.x = x;
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E_BULLET_ENT.y = y + 0x0006;
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if (game_dir == LEFT) {
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e_bullet_offsx = -0x08;
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E_BULLET_ENT.sprite = 0x21;
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}
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else {
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e_bullet_offsx = 0x08;
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E_BULLET_ENT.sprite = 0x20;
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}
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#ifdef ENABLE_SOUND
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syssnd_play(soundBullet, 1);
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#endif
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}
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/*
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* Entity action
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*
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* ASM 1883, 0F97
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*/
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void
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e_bullet_action(U8 e/*unused*/)
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{
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(void)e;
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/* move bullet */
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E_BULLET_ENT.x += e_bullet_offsx;
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if (E_BULLET_ENT.x <= -0x10 || E_BULLET_ENT.x > 0xe8)
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{
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/* out: deactivate */
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E_BULLET_ENT.n = 0;
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}
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else
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{
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/* update bullet center coordinates */
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e_bullet_xc = E_BULLET_ENT.x + 0x0c;
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e_bullet_yc = E_BULLET_ENT.y + 0x05;
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if (map_eflg[map_map[e_bullet_yc >> 3][e_bullet_xc >> 3]] & MAP_EFLG_SOLID)
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{
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/* hit something: deactivate */
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E_BULLET_ENT.n = 0;
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}
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}
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}
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/* eof */
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