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https://github.com/libretro/scummvm.git
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136 lines
3.1 KiB
C++
136 lines
3.1 KiB
C++
/* Copyright (C) 1994-2003 Revolution Software Ltd
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#include "stdafx.h"
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#include "common/util.h"
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#include "bs2/debug.h"
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#include "bs2/defs.h"
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#include "bs2/interpreter.h"
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#include "bs2/logic.h"
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#include "bs2/sync.h"
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namespace Sword2 {
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typedef struct {
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uint32 id;
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uint32 sync;
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} _sync_unit;
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// there wont be many will there. probably 2 at most i reckon
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#define MAX_syncs 10
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static _sync_unit sync_list[MAX_syncs];
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void Init_sync_system(void) {
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// set list to 0's
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for (int j = 0; j < MAX_syncs; j++)
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sync_list[j].id = 0;
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}
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int32 Logic::fnSendSync(int32 *params) {
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// params: 0 sync's recipient
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// 1 sync value
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for (int i = 0; i < MAX_syncs; i++) {
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if (sync_list[i].id == 0) {
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debug(5, " %d sending sync %d to %d", ID, params[1], params[0]);
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sync_list[i].id = params[0];
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sync_list[i].sync = params[1];
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return IR_CONT;
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}
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}
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// The original code didn't even check for this condition, so maybe
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// it should be a fatal error?
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warning("No free sync slot");
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return IR_CONT;
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}
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void Clear_syncs(uint32 id) {
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// clear any syncs registered for this id
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// call this just after the id has been processed
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// there could in theory be more than one sync waiting for us so
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// clear the lot
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for (int i = 0; i < MAX_syncs; i++) {
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if (sync_list[i].id == id) {
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debug(5, "removing sync %d for %d", i, id);
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sync_list[i].id = 0;
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}
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}
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}
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bool Get_sync(void) {
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// check for a sync waiting for this character
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// - called from system code eg. from inside fnAnim(), to see if
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// animation to be quit
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for (int i = 0; i < MAX_syncs; i++) {
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if (sync_list[i].id == ID) {
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// means sync found
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return true;
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}
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}
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// no sync found
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return false;
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}
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int32 Logic::fnGetSync(int32 *params) {
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// check for a sync waiting for this character
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// - called from script
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// params: none
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for (int i = 0; i < MAX_syncs; i++) {
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if (sync_list[i].id == ID) {
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// return sync value waiting
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RESULT = sync_list[i].sync;
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return IR_CONT;
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}
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}
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// no sync found
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RESULT = 0;
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return IR_CONT;
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}
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int32 Logic::fnWaitSync(int32 *params) {
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// keep calling until a sync recieved
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// params: none
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debug(5, "fnWaitSync: %d waits", ID);
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for (int i = 0; i < MAX_syncs; i++) {
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if (sync_list[i].id == ID) {
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// return sync value waiting
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debug(5, "fnWaitSync: go");
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RESULT = sync_list[i].sync;
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return IR_CONT;
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}
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}
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// back again next cycle
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return IR_REPEAT;
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}
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} // End of namespace Sword2
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