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/* 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 "cruise/cruise_main.h"
namespace Cruise {
// 4 type bigger than the old one, but much safer/cleaner
stackElementStruct scriptStack[SIZE_STACK];
// VAR
void pushVar(int16 var) {
if (positionInStack < SIZE_STACK) {
scriptStack[positionInStack].data.shortVar = var;
scriptStack[positionInStack].type = STACK_SHORT;
positionInStack++;
}
}
int16 popVar() {
if (positionInStack <= 0) {
return (0);
}
positionInStack--;
assert(scriptStack[positionInStack].type == STACK_SHORT);
return (scriptStack[positionInStack].data.shortVar);
}
//// PTR
void pushPtr(void *ptr) {
if (positionInStack < SIZE_STACK) {
scriptStack[positionInStack].data.ptrVar = ptr;
scriptStack[positionInStack].type = STACK_PTR;
positionInStack++;
}
}
void *popPtr() {
if (positionInStack <= 0) {
return (0);
}
positionInStack--;
assert(scriptStack[positionInStack].type == STACK_PTR);
return (scriptStack[positionInStack].data.ptrVar);
}
} // End of namespace Cruise
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