mirror of
https://github.com/libretro/scummvm.git
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81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#include "common/endian.h"
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#include "common/util.h"
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/*
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* SysEx command handlers must have full access to the
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* internal IMuse implementation classes. Before including
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* the relevant header file, two things must happen:
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* 1. A function declaration must be made.
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* 2. The following #define must be established:
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* #define SYSEX_CALLBACK_FUNCTION functionName
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*/
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#define SYSEX_CALLBACK_FUNCTION sysexHandler_SamNMax
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#include "scumm/imuse/imuse_internal.h"
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namespace Scumm {
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extern void sysexHandler_Scumm(Player *, const byte *, uint16);
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void sysexHandler_SamNMax(Player *player, const byte *msg, uint16 len) {
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byte a;
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IMuseInternal *se = player->_se;
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const byte *p = msg;
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switch (*p++) {
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case 0:
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// Trigger Event
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// Triggers are set by doCommand(ImSetTrigger).
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// When a SysEx marker is encountered whose sound
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// ID and marker ID match what was set by ImSetTrigger,
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// something magical is supposed to happen....
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for (a = 0; a < ARRAYSIZE(se->_snm_triggers); ++a) {
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if (se->_snm_triggers[a].sound == player->_id &&
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se->_snm_triggers[a].id == *p)
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{
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se->_snm_triggers[a].sound = se->_snm_triggers[a].id = 0;
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se->doCommand(8, se->_snm_triggers[a].command);
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break;
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}
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}
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break;
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case 1:
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// maybe_jump.
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if (player->_scanning)
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break;
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player->maybe_jump(p[0], p[1] - 1, (READ_BE_UINT16(p + 2) - 1) * 4 + p[4], ((p[5] * TICKS_PER_BEAT) >> 2) + p[6]);
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break;
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default:
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sysexHandler_Scumm(player, msg, len);
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}
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}
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} // End of namespace Scumm
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