scummvm/engines/illusions/scriptman.cpp
2018-07-20 06:43:33 +00:00

126 lines
2.8 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "illusions/illusions.h"
#include "illusions/scriptman.h"
namespace Illusions {
// ActiveScenes
void ActiveScenes::clear() {
_stack.clear();
}
void ActiveScenes::push(uint32 sceneId) {
ActiveScene activeScene;
activeScene._sceneId = sceneId;
activeScene._pauseCtr = 0;
_stack.push(activeScene);
}
void ActiveScenes::pop() {
_stack.pop();
}
void ActiveScenes::pauseActiveScene() {
++_stack.top()._pauseCtr;
}
void ActiveScenes::unpauseActiveScene() {
--_stack.top()._pauseCtr;
}
int ActiveScenes::getActiveScenesCount() {
return _stack.size();
}
void ActiveScenes::getActiveSceneInfo(uint index, uint32 *sceneId, int *pauseCtr) {
if (sceneId)
*sceneId = _stack[index]._sceneId;
if (pauseCtr)
*pauseCtr = _stack[index]._pauseCtr;
}
uint32 ActiveScenes::getCurrentScene() {
if (_stack.size() > 0)
return _stack.top()._sceneId;
return 0;
}
bool ActiveScenes::isSceneActive(uint32 sceneId) {
for (uint i = 0; i < _stack.size(); ++i)
if (_stack[i]._sceneId == sceneId && _stack[i]._pauseCtr <= 0)
return true;
return false;
}
// ScriptStack
ScriptStack::ScriptStack() {
clear();
}
void ScriptStack::clear() {
for (uint i = 0; i < 256; ++i)
_stack[i] = (int16)0xEEEE;
_stackPos = 256;
}
void ScriptStack::push(int16 value) {
--_stackPos;
if (_stackPos > 0)
_stack[_stackPos] = value;
}
int16 ScriptStack::pop() {
int16 value = 0;
if (_stackPos < 256) {
value = _stack[_stackPos];
_stack[_stackPos] = (int16)0xEEEE;
++_stackPos;
}
return value;
}
int16 ScriptStack::peek() {
int16 value = 0;
if (_stackPos < 256)
value = _stack[_stackPos];
return value;
}
// ScriptMan
ScriptMan::ScriptMan(IllusionsEngine *vm)
: _vm(vm) {
}
ScriptMan::~ScriptMan() {
}
void ScriptMan::setSceneIdThreadId(uint32 theSceneId, uint32 theThreadId) {
_theSceneId = theSceneId;
_theThreadId = theThreadId;
}
} // End of namespace Illusions