365 lines
9.8 KiB
C++
365 lines
9.8 KiB
C++
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2011 Warzone 2100 Project
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 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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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* EvntSave.c
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*
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* Save the state of the event system.
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*
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*/
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#include "lib/framework/frame.h"
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#include "lib/framework/wzconfig.h"
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#include <string.h>
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#include "lib/framework/frameresource.h"
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#include "lib/framework/endian_hack.h"
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#include "lib/framework/string_ext.h"
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#include "script.h"
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#include "eventsave.h"
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// save the context information for the script system
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static bool eventSaveContext(WzConfig &ini)
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{
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int numVars, numContext = 0;
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UDWORD hashedName;
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// go through the context list
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for (SCRIPT_CONTEXT *psCCont = psContList; psCCont != NULL; psCCont = psCCont->psNext)
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{
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// save the context info
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if (!resGetHashfromData("SCRIPT", psCCont->psCode, &hashedName))
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{
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debug(LOG_FATAL, "Could not find script resource id");
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return false;
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}
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numVars = psCCont->psCode->numGlobals + psCCont->psCode->arraySize;
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ini.beginGroup("context_" + QString::number(numContext));
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ini.setValue("context", hashedName);
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ini.setValue("numVars", numVars);
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ini.setValue("release", psCCont->release);
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ini.beginGroup("var");
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// save the context variables
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int countVar = 0;
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for (VAL_CHUNK *psCVals = psCCont->psGlobals; psCVals != NULL; psCVals = psCVals->psNext)
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{
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for (int i = 0; i < CONTEXT_VALS; i++)
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{
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INTERP_VAL *psVal = psCVals->asVals + i;
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ASSERT(psVal->type < SWORD_MAX, "Variable type number %d too big", (int)psVal->type);
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ini.beginGroup(QString::number(countVar));
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ini.setValue("type", QVariant(psVal->type));
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ini.setValue("typename", QString(scriptTypeToString(psVal->type))); // for debugging
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// store the variable value
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if (psVal->type == VAL_STRING)
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{
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ini.setValue("data", QString(psVal->v.sval));
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}
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else if (psVal->type == VAL_BOOL)
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{
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ini.setValue("data", QVariant((bool)psVal->v.bval));
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}
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else if (psVal->type == VAL_FLOAT)
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{
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ini.setValue("data", QVariant((float)psVal->v.fval));
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}
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else if (psVal->type == VAL_OBJ_GETSET || psVal->type == VAL_FUNC_EXTERN)
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{
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ini.setValue("data", QString("n/a"));
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}
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else if (psVal->type < VAL_USERTYPESTART)
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{
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ini.setValue("data", QVariant(psVal->v.ival));
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}
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else
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{
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// user defined type
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SCR_VAL_SAVE saveFunc = asScrTypeTab[psVal->type - VAL_USERTYPESTART].saveFunc;
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ASSERT(saveFunc != NULL, "No save function for type %d", psVal->type);
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if (!saveFunc(psVal, ini))
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{
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debug(LOG_FATAL, "Could not get user defined variable value");
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return false;
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}
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}
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numVars -=1;
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countVar++;
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ini.endGroup();
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if (numVars <= 0)
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{
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// done all the variables
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ASSERT(psCVals->psNext == NULL, "Number of context variables does not match the script code");
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break;
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}
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}
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}
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ASSERT(numVars == 0, "Number of context variables does not match the script code (%d)", numVars);
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ini.endGroup();
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ini.endGroup();
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numContext++;
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}
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// actually store how many contexts have been saved
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ini.setValue("general/contexts", QVariant(numContext));
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return true;
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}
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// load the context information for the script system
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static bool eventLoadContext(WzConfig &ini)
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{
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SDWORD numVars, numContext;
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SCRIPT_CONTEXT *psCCont;
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SCR_VAL_LOAD loadFunc;
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UDWORD hashedName;
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SCRIPT_CODE *psCode;
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CONTEXT_RELEASE release;
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INTERP_VAL *psVal, data;
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// get the number of contexts in the save file
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numContext = ini.value("general/contexts", 0).toInt();
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if (numContext == 0)
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{
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debug(LOG_FATAL, "No script contexts found -- failed to load script data");
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return false;
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}
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// go through the contexts
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for (int context = 0; context < numContext; context++)
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{
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ini.beginGroup("context_" + QString::number(context));
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hashedName = ini.value("context").toUInt();
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numVars = ini.value("numVars").toInt();
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release = (CONTEXT_RELEASE)ini.value("release").toInt();
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psCode = (SCRIPT_CODE*)resGetDataFromHash("SCRIPT", hashedName);
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// create the context
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if (!eventNewContext(psCode, release, &psCCont))
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{
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debug(LOG_FATAL, "Failed to create new context");
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return false;
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}
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if (numVars != psCode->numGlobals + psCode->arraySize)
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{
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ASSERT(false, "Context %d of %d: Number of context variables (%d) does not match the script code (%d)",
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context, numContext, numVars, psCode->numGlobals + psCode->arraySize);
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return false;
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}
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// bit of a hack this - note the id of the context to link it to the triggers
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psContList->id = context;
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ini.beginGroup("var");
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// set the context variables
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for (int i = 0; i < numVars; i++)
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{
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ini.beginGroup(QString::number(i));
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// get the variable type
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INTERP_TYPE type = (INTERP_TYPE)ini.value("type").toInt();
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// get the variable value
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if (type < VAL_USERTYPESTART)
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{
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data.type = type;
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switch (type)
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{
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case VAL_BOOL:
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data.v.bval = ini.value("data").toBool();
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break;
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case VAL_FLOAT:
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data.v.fval = ini.value("data").toFloat();
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break;
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case VAL_INT:
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case VAL_TRIGGER:
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case VAL_EVENT:
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case VAL_VOID:
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case VAL_OPCODE:
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case VAL_PKOPCODE:
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data.v.ival = ini.value("data").toInt();
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break;
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case VAL_STRING:
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data.v.sval = (char*)malloc(MAXSTRLEN);
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strcpy(data.v.sval, ini.value("var/" + QString::number(i) + "/data").toString().toAscii().constData());
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break;
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case VAL_OBJ_GETSET:
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case VAL_FUNC_EXTERN:
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// do nothing
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break;
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default:
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ASSERT(false, "Invalid internal type");
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}
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// set the value in the context
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if (!eventSetContextVar(psCCont, i, &data))
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{
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debug(LOG_FATAL, "Could not set variable value");
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return false;
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}
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}
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else
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{
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// user defined type
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loadFunc = asScrTypeTab[type - VAL_USERTYPESTART].loadFunc;
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ASSERT(loadFunc, "No load function for type %d", type);
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// get the value pointer so that the loadFunc can write directly
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// into the variables data space.
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if (!eventGetContextVal(psCCont, i, &psVal))
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{
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debug(LOG_FATAL, "Could not find variable %d in context %d", i, context);
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return false;
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}
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if (!loadFunc(psVal, ini))
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{
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debug(LOG_FATAL, "Could not get variable value context %d, variable %d", context, i);
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return false;
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}
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}
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ini.endGroup();
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}
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ini.endGroup();
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ini.endGroup();
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}
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return true;
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}
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// return the index of a context
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static bool eventGetContextIndex(SCRIPT_CONTEXT *psContext, SDWORD *pIndex)
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{
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int index = 0;
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for (SCRIPT_CONTEXT *psCurr = psContList; psCurr!= NULL; psCurr = psCurr->psNext)
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{
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if (psCurr == psContext)
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{
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*pIndex = index;
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return true;
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}
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index += 1;
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}
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return false;
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}
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// find a context from it's id number
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static bool eventFindContext(SDWORD id, SCRIPT_CONTEXT **ppsContext)
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{
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for (SCRIPT_CONTEXT *psCurr = psContList; psCurr!= NULL; psCurr=psCurr->psNext)
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{
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if (psCurr->id == id)
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{
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*ppsContext = psCurr;
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return true;
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}
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}
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return false;
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}
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// save a list of triggers
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static bool eventSaveTriggerList(ACTIVE_TRIGGER *psList, QString tname, WzConfig &ini)
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{
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int numTriggers = 0, context = 0;
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for (ACTIVE_TRIGGER *psCurr = psList; psCurr != NULL; psCurr = psCurr->psNext)
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{
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if (!eventGetContextIndex(psCurr->psContext, &context))
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{
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debug(LOG_FATAL, "Could not find context");
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return false;
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}
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ini.beginGroup(tname + "_" + QString::number(numTriggers));
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ini.setValue("time", QVariant(psCurr->testTime));
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ini.setValue("context", QVariant(context));
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ini.setValue("type", QVariant(psCurr->type));
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ini.setValue("trigger", QVariant(psCurr->trigger));
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ini.setValue("event", QVariant(psCurr->event));
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ini.setValue("offset", QVariant(psCurr->offset));
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ini.endGroup();
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numTriggers++;
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}
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ini.setValue("general/num" + tname, QVariant(numTriggers));
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return true;
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}
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// load a list of triggers
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static bool eventLoadTriggerList(WzConfig &ini, QString tname)
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{
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UDWORD event, offset, time;
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int numTriggers, context, type, trigger;
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SCRIPT_CONTEXT *psContext;
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numTriggers = ini.value("general/num" + tname).toInt();
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for (int i = 0; i < numTriggers; i++)
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{
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ini.beginGroup(tname + "_" + QString::number(i));
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time = ini.value("time").toInt();
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context = ini.value("context").toInt();
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if (!eventFindContext(context, &psContext))
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{
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debug(LOG_FATAL, "could not find context");
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return false;
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}
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type = ini.value("type").toInt();
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trigger = ini.value("trigger").toInt();
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event = ini.value("event").toInt();
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offset = ini.value("offset").toInt();
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if (!eventLoadTrigger(time, psContext, type, trigger, event, offset))
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{
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debug(LOG_FATAL, "Failed to create trigger");
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return false;
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}
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ini.endGroup();
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}
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return true;
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}
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// Save the state of the event system
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bool eventSaveState(const char *pFilename)
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{
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WzConfig ini(pFilename);
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if (!eventSaveContext(ini) || !eventSaveTriggerList(psTrigList, "trig", ini) || !eventSaveTriggerList(psCallbackList, "callback", ini))
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{
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return false;
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}
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return true;
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}
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// Load the state of the event system
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bool eventLoadState(const char *pFilename)
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{
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WzConfig ini(pFilename);
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// load the event contexts
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if (!eventLoadContext(ini) || !eventLoadTriggerList(ini, "trig") || !eventLoadTriggerList(ini, "callback"))
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{
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return false;
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}
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return true;
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}
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