mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 09:49:11 +00:00
678 lines
18 KiB
C++
678 lines
18 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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* 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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* 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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*/
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#include "common/stream.h"
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#include "cruise/cruise.h"
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#include "cruise/cruise_main.h"
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namespace Cruise {
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overlayStruct overlayTable[90];
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int numOfLoadedOverlay;
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void initOverlayTable(void) {
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int i;
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for (i = 0; i < 90; i++) {
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overlayTable[i].overlayName[0] = 0;
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overlayTable[i].ovlData = NULL;
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overlayTable[i].alreadyLoaded = 0;
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overlayTable[i].executeScripts = 0;
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}
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numOfLoadedOverlay = 1;
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}
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int loadOverlay(const char *scriptName) {
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int newNumberOfScript;
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bool scriptNotLoadedBefore;
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int scriptIdx;
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char fileName[50];
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int fileIdx;
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int unpackedSize;
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byte *unpackedBuffer;
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ovlDataStruct *ovlData;
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debug(1, "Load overlay: %s", scriptName);
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newNumberOfScript = numOfLoadedOverlay;
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scriptNotLoadedBefore = false;
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scriptIdx = findOverlayByName((const char *)scriptName);
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if (scriptIdx == -4) {
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scriptIdx = numOfLoadedOverlay;
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newNumberOfScript++;
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scriptNotLoadedBefore = true;
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}
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if (overlayTable[scriptIdx].alreadyLoaded) {
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return (scriptIdx);
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}
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overlayTable[scriptIdx].ovlData =
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(ovlDataStruct *) mallocAndZero(sizeof(ovlDataStruct));
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if (!overlayTable[scriptIdx].ovlData)
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return (-2);
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if (scriptName != overlayTable[scriptIdx].overlayName)
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strcpy(overlayTable[scriptIdx].overlayName, scriptName);
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overlayTable[scriptIdx].alreadyLoaded = 1;
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numOfLoadedOverlay = newNumberOfScript;
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overlayTable[scriptIdx].ovlData->scriptNumber = scriptIdx;
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strcpy(fileName, scriptName);
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strcat(fileName, ".OVL");
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debug(1, "Attempting to load overlay file %s...", fileName);
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fileIdx = findFileInDisks(fileName);
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if (fileIdx < 0) {
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warning("Unable to load overlay %s", scriptName);
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//releaseScript(scriptName);
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return (-18);
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}
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unpackedSize = volumePtrToFileDescriptor[fileIdx].extSize + 2;
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// TODO: here, can unpack in gfx module buffer
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unpackedBuffer = (byte *)mallocAndZero(unpackedSize);
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if (!unpackedBuffer) {
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return (-2);
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}
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if (volumePtrToFileDescriptor[fileIdx].size + 2 != unpackedSize) {
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char *pakedBuffer =
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(char *)mallocAndZero(volumePtrToFileDescriptor[fileIdx].
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size + 2);
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loadPackedFileToMem(fileIdx, (uint8 *) pakedBuffer);
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delphineUnpack((uint8 *)unpackedBuffer, (const uint8 *)pakedBuffer, volumePtrToFileDescriptor[fileIdx].size);
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free(pakedBuffer);
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} else {
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loadPackedFileToMem(fileIdx, (uint8 *) unpackedBuffer);
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}
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debug(1, "OVL loading done...");
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Common::MemoryReadStream s(unpackedBuffer, unpackedSize);
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ovlData = overlayTable[scriptIdx].ovlData;
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// Skip pointers
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s.skip(60);
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ovlData->arrayProc = NULL;
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ovlData->ptr1 = NULL;
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ovlData->arrayObject = NULL;
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ovlData->arrayStates = NULL;
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ovlData->arrayObjVar = NULL;
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ovlData->stringTable = NULL;
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ovlData->arraySymbGlob = NULL;
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ovlData->arrayRelocGlob = NULL;
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ovlData->arrayMsgRelHeader = NULL;
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ovlData->nameVerbGlob = NULL;
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ovlData->arrayNameObj = NULL;
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ovlData->arrayNameRelocGlob = NULL;
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ovlData->arrayNameSymbGlob = NULL;
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ovlData->data4Ptr = NULL;
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ovlData->ptr8 = NULL;
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ovlData->numProc = s.readUint16BE();
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ovlData->numRel = s.readUint16BE();
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ovlData->numSymbGlob = s.readUint16BE();
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ovlData->numRelocGlob = s.readUint16BE();
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ovlData->numMsgRelHeader = s.readUint16BE();
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ovlData->numObj = s.readUint16BE();
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ovlData->numStrings = s.readUint16BE();
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ovlData->size8 = s.readUint16BE();
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ovlData->size9 = s.readUint16BE();
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ovlData->nameExportSize = s.readUint16BE();
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ovlData->exportNamesSize = s.readUint16BE();
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ovlData->specialString2Length = s.readUint16BE();
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ovlData->sizeOfData4 = s.readUint16BE();
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ovlData->size12 = s.readUint16BE();
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ovlData->specialString1Length = s.readUint16BE();
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ovlData->scriptNumber = s.readUint16BE();
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if (ovlData->numSymbGlob) { // export data
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int i;
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ovlData->arraySymbGlob =
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(exportEntryStruct *) mallocAndZero(ovlData->numSymbGlob * sizeof(exportEntryStruct));
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if (!ovlData->arraySymbGlob) {
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return (-2);
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}
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for (i = 0; i < ovlData->numSymbGlob; i++) {
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ovlData->arraySymbGlob[i].var0 = s.readUint16BE();
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ovlData->arraySymbGlob[i].var2 = s.readUint16BE();
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ovlData->arraySymbGlob[i].var4 = s.readUint16BE();
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ovlData->arraySymbGlob[i].idx = s.readUint16BE();
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ovlData->arraySymbGlob[i].offsetToName = s.readUint16BE();
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}
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}
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if (ovlData->exportNamesSize) { // export names
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ovlData->arrayNameSymbGlob = (char *) mallocAndZero(ovlData->exportNamesSize);
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if (!ovlData->arrayNameSymbGlob) {
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return (-2);
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}
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s.read(ovlData->arrayNameSymbGlob, ovlData->exportNamesSize);
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}
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if (ovlData->numRelocGlob) { // import data
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int i;
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ovlData->arrayRelocGlob =
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(importDataStruct *) mallocAndZero(ovlData->numRelocGlob *
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sizeof(importDataStruct));
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if (!ovlData->arrayRelocGlob) {
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return (-2);
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}
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for (i = 0; i < ovlData->numRelocGlob; i++) {
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ovlData->arrayRelocGlob[i].var0 = s.readUint16BE();
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ovlData->arrayRelocGlob[i].var1 = s.readUint16BE();
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ovlData->arrayRelocGlob[i].linkType = s.readUint16BE();
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ovlData->arrayRelocGlob[i].linkIdx = s.readUint16BE();
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ovlData->arrayRelocGlob[i].nameOffset = s.readUint16BE();
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}
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}
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if (ovlData->nameExportSize) { // import name
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ovlData->arrayNameRelocGlob = (char *) mallocAndZero(ovlData->nameExportSize);
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if (!ovlData->arrayNameRelocGlob) {
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return (-2);
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}
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s.read(ovlData->arrayNameRelocGlob, ovlData->nameExportSize);
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}
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if (ovlData->numMsgRelHeader) { // link data
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int i;
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ASSERT(sizeof(linkDataStruct) == 0x22);
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ovlData->arrayMsgRelHeader = (linkDataStruct *) mallocAndZero(ovlData->numMsgRelHeader * sizeof(linkDataStruct));
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if (!ovlData->arrayMsgRelHeader) {
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return (-2);
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}
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for (i = 0; i < ovlData->numMsgRelHeader; i++) {
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ovlData->arrayMsgRelHeader[i].type = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].id = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].offsetVerbeName = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].verbOverlay = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].verbNumber = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj1Overlay = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj1Number = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj2Overlay = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj2Number = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].trackX = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].trackY = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj1NewState = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj2NewState = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj1OldState = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].obj2OldState = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].trackDirection = s.readUint16BE();
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ovlData->arrayMsgRelHeader[i].dialog = s.readUint16BE();
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}
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}
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if (ovlData->numProc) { // script
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ovlData3Struct *tempPtr;
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int i;
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ovlData->arrayProc =
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(ovlData3Struct *) mallocAndZero(ovlData->numProc * sizeof(ovlData3Struct));
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if (!ovlData->arrayProc) {
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return (-2);
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}
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for (i = 0; i < ovlData->numProc; i++) {
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s.skip(4);
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ovlData->arrayProc[i].dataPtr = NULL;
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ovlData->arrayProc[i].sizeOfData = s.readUint16BE();
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ovlData->arrayProc[i].offsetToSubData3 = s.readUint16BE();
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ovlData->arrayProc[i].offsetToImportData = s.readUint16BE();
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ovlData->arrayProc[i].offsetToSubData2 = s.readUint16BE();
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ovlData->arrayProc[i].offsetToImportName = s.readUint16BE();
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ovlData->arrayProc[i].offsetToSubData5 = s.readUint16BE();
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ovlData->arrayProc[i].sysKey = s.readUint16BE();
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ovlData->arrayProc[i].var12 = s.readUint16BE();
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ovlData->arrayProc[i].numRelocGlob = s.readUint16BE();
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ovlData->arrayProc[i].subData2Size = s.readUint16BE();
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ovlData->arrayProc[i].var18 = s.readUint16BE();
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ovlData->arrayProc[i].var1A = s.readUint16BE();
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}
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tempPtr = ovlData->arrayProc;
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for (i = 0; i < ovlData->numProc; i++) {
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tempPtr->dataPtr = (uint8 *) mallocAndZero(tempPtr->sizeOfData);
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if (!tempPtr->dataPtr) {
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return (-2);
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}
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s.read(tempPtr->dataPtr, tempPtr->sizeOfData);
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if (tempPtr->offsetToImportData) {
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flipGen(tempPtr->dataPtr + tempPtr->offsetToImportData,
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tempPtr->numRelocGlob * 10);
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}
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if (tempPtr->offsetToSubData2) {
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flipGen(tempPtr->dataPtr + tempPtr->offsetToSubData2,
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tempPtr->subData2Size * 10);
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}
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tempPtr++;
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}
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}
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if (ovlData->numRel) {
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ovlData3Struct *tempPtr;
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int i;
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ovlData->ptr1 =
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(ovlData3Struct *) mallocAndZero(ovlData->numRel * sizeof(ovlData3Struct));
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if (!ovlData->ptr1) {
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return (-2);
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}
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for (i = 0; i < ovlData->numRel; i++) {
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s.skip(4);
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ovlData->ptr1[i].dataPtr = NULL;
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ovlData->ptr1[i].sizeOfData = s.readUint16BE();
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ovlData->ptr1[i].offsetToSubData3 = s.readUint16BE();
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ovlData->ptr1[i].offsetToImportData = s.readUint16BE();
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ovlData->ptr1[i].offsetToSubData2 = s.readUint16BE();
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ovlData->ptr1[i].offsetToImportName = s.readUint16BE();
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ovlData->ptr1[i].offsetToSubData5 = s.readUint16BE();
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ovlData->ptr1[i].sysKey = s.readUint16BE();
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ovlData->ptr1[i].var12 = s.readUint16BE();
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ovlData->ptr1[i].numRelocGlob = s.readUint16BE();
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ovlData->ptr1[i].subData2Size = s.readUint16BE();
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ovlData->ptr1[i].var18 = s.readUint16BE();
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ovlData->ptr1[i].var1A = s.readUint16BE();
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}
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tempPtr = (ovlData3Struct *) ovlData->ptr1;
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for (i = 0; i < ovlData->numRel; i++) {
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tempPtr->dataPtr = (uint8 *) mallocAndZero(tempPtr->sizeOfData);
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if (!tempPtr->dataPtr) {
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return (-2);
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}
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s.read(tempPtr->dataPtr, tempPtr->sizeOfData);
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if (tempPtr->offsetToImportData) {
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flipGen(tempPtr->dataPtr + tempPtr->offsetToImportData,
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tempPtr->numRelocGlob * 10);
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}
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if (tempPtr->offsetToSubData2) {
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flipGen(tempPtr->dataPtr + tempPtr->offsetToSubData2,
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tempPtr->subData2Size * 10);
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}
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tempPtr++;
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}
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}
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if (ovlData->size12) {
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ovlData->ptr8 = (uint8 *) mallocAndZero(ovlData->size12);
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if (!ovlData->ptr8) {
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/* releaseScript(scriptIdx,scriptName);
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if (freeIsNeeded) {
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freePtr(unpackedBuffer);
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} */
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return (-2);
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}
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s.read(ovlData->ptr8, ovlData->size12);
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}
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if (ovlData->numObj) {
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int i;
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ovlData->arrayObject =
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(objDataStruct *) mallocAndZero(ovlData->numObj *
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sizeof(objDataStruct));
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if (!ovlData->arrayObject) {
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return (-2);
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}
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for (i = 0; i < ovlData->numObj; i++) {
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ovlData->arrayObject[i]._type = s.readUint16BE();
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ovlData->arrayObject[i]._class = (eClass) s.readUint16BE();
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ovlData->arrayObject[i]._nameOffset = s.readUint16BE();
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ovlData->arrayObject[i]._numStates = s.readUint16BE();
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ovlData->arrayObject[i]._varTableIdx = s.readUint16BE();
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ovlData->arrayObject[i]._firstStateIdx = s.readUint16BE();
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ovlData->arrayObject[i]._stateTableIdx = s.readUint16BE();
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}
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// allocate states for object with multiple states
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if (scriptNotLoadedBefore) {
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overlayTable[scriptIdx].state = stateID;
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stateID += getNumObjectsByClass(scriptIdx, MULTIPLE) + getNumObjectsByClass(scriptIdx, THEME);
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}
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}
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if (ovlData->size9) {
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ovlData->arrayObjVar =
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(objectParams *) mallocAndZero(ovlData->size9 *
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sizeof(objectParams));
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if (!ovlData->arrayObjVar) {
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return (-2);
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}
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}
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if (ovlData->size8) {
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int i;
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ovlData->arrayStates =
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(objectParams *) mallocAndZero(ovlData->size8 *
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sizeof(objectParams));
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if (!ovlData->arrayStates) {
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return (-2);
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}
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for (i = 0; i < ovlData->size8; i++) {
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ovlData->arrayStates[i].X = s.readUint16BE();
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ovlData->arrayStates[i].Y = s.readUint16BE();
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ovlData->arrayStates[i].Z = s.readUint16BE();
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ovlData->arrayStates[i].frame = s.readUint16BE();
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ovlData->arrayStates[i].scale = s.readUint16BE();
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ovlData->arrayStates[i].state = s.readUint16BE();
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}
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}
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if (ovlData->numStrings) {
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int i;
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ovlData->stringTable =
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(stringEntryStruct *) mallocAndZero(ovlData->numStrings *
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sizeof(stringEntryStruct));
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for (i = 0; i < ovlData->numStrings; i++) {
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ovlData->stringTable[i].idx = s.readUint16BE();
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}
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}
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if (ovlData->sizeOfData4) {
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ovlData->data4Ptr =
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(uint8 *) mallocAndZero(ovlData->sizeOfData4);
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if (!ovlData->data4Ptr) {
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return (-2);
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}
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}
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if (ovlData->
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specialString1Length /*|| ovlData->specialString2Length */
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|| ovlData->stringTable) {
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int i;
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//int unpackedSize;
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//int fileIdx;
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//uint8 fileName[50];
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//char* unpackedBuffer;
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strcpy(fileName, scriptName);
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strcat(fileName, ".FR");
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fileIdx = findFileInDisks(fileName);
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if (fileIdx < 0) {
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//releaseScript(scriptName);
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return (-18);
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}
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unpackedSize = volumePtrToFileDescriptor[fileIdx].extSize + 2;
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// TODO: here, can unpack in gfx module buffer
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unpackedBuffer = (byte *)mallocAndZero(unpackedSize);
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if (!unpackedBuffer) {
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return (-2);
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}
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if (volumePtrToFileDescriptor[fileIdx].size + 2 !=
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unpackedSize) {
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char *pakedBuffer =
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(char *)
|
|
mallocAndZero(volumePtrToFileDescriptor[fileIdx].
|
|
size + 2);
|
|
|
|
loadPackedFileToMem(fileIdx, (uint8 *) pakedBuffer);
|
|
|
|
delphineUnpack((uint8 *) unpackedBuffer, (const uint8 *)pakedBuffer, volumePtrToFileDescriptor[fileIdx].size);
|
|
|
|
free(pakedBuffer);
|
|
} else {
|
|
loadPackedFileToMem(fileIdx, (uint8 *) unpackedBuffer);
|
|
}
|
|
|
|
Common::MemoryReadStream s2(unpackedBuffer, unpackedSize);
|
|
|
|
ovlData->specialString1Length = s2.readUint16BE();
|
|
if (ovlData->specialString1Length) {
|
|
ovlData->nameVerbGlob = (char *) mallocAndZero(ovlData->specialString1Length);
|
|
|
|
if (!ovlData->nameVerbGlob) {
|
|
/* releaseScript(scriptIdx,scriptName);
|
|
*
|
|
* if (freeIsNeeded)
|
|
* {
|
|
* freePtr(unpackedBuffer);
|
|
* } */
|
|
|
|
return (-2);
|
|
}
|
|
|
|
s2.read(ovlData->nameVerbGlob, ovlData->specialString1Length);
|
|
}
|
|
|
|
ovlData->specialString2Length = s2.readUint16BE();
|
|
if (ovlData->specialString2Length) {
|
|
ovlData->arrayNameObj = (char *) mallocAndZero(ovlData->specialString2Length);
|
|
|
|
if (!ovlData->arrayNameObj) {
|
|
/* releaseScript(scriptIdx,scriptName);
|
|
*
|
|
* if (freeIsNeeded)
|
|
* {
|
|
* freePtr(unpackedBuffer);
|
|
* } */
|
|
|
|
return (-2);
|
|
}
|
|
|
|
s2.read(ovlData->arrayNameObj, ovlData->specialString2Length);
|
|
}
|
|
|
|
for (i = 0; i < ovlData->numStrings; i++) {
|
|
ovlData->stringTable[i].length = s2.readUint16BE();
|
|
|
|
if (ovlData->stringTable[i].length) {
|
|
ovlData->stringTable[i].string =
|
|
(char *)mallocAndZero(ovlData->
|
|
stringTable[i].length);
|
|
|
|
if (!ovlData->stringTable[i].string) {
|
|
/* releaseScript(scriptIdx,scriptName);
|
|
*
|
|
* if (freeIsNeeded)
|
|
* {
|
|
* freePtr(unpackedBuffer);
|
|
* } */
|
|
|
|
return (-2);
|
|
}
|
|
|
|
s2.read(ovlData->stringTable[i].string, ovlData->stringTable[i].length);
|
|
}
|
|
}
|
|
}
|
|
#ifdef DUMP_SCRIPT
|
|
{
|
|
int i;
|
|
for (i = 0; i < ovlData->numProc; i++) {
|
|
dumpScript(scriptName, ovlData, i);
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef DUMP_OBJECT
|
|
{
|
|
int i;
|
|
FILE *fHandle;
|
|
char nameBundle[100];
|
|
sprintf(nameBundle, "%s-objs.txt", scriptName);
|
|
|
|
fHandle = fopen(nameBundle, "w+");
|
|
ASSERT(fHandle);
|
|
|
|
for (i = 0; i < ovlData->numMsgRelHeader; i++) {
|
|
linkDataStruct *var_34;
|
|
var_34 = &ovlData->arrayMsgRelHeader[i];
|
|
|
|
if (ovlData->arrayNameObj) {
|
|
fprintf(fHandle, "----- object %02d -----\n",
|
|
i);
|
|
if (var_34->stringNameOffset != 0xFFFF) {
|
|
fprintf(fHandle, "name: %s\n",
|
|
getObjectName(var_34->
|
|
stringNameOffset,
|
|
ovlData->arrayNameObj));
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(fHandle);
|
|
}
|
|
#endif
|
|
|
|
return (scriptIdx);
|
|
}
|
|
|
|
int releaseOverlay(const char *name) {
|
|
int overlayIdx;
|
|
ovlDataStruct *ovlDataPtr;
|
|
|
|
overlayIdx = findOverlayByName(name);
|
|
|
|
if (overlayIdx == -4)
|
|
return -4;
|
|
|
|
if (overlayTable[overlayIdx].alreadyLoaded == 0)
|
|
return -4;
|
|
|
|
overlayTable[overlayIdx].alreadyLoaded = 0;
|
|
|
|
ovlDataPtr = overlayTable[overlayIdx].ovlData;
|
|
|
|
if (!ovlDataPtr)
|
|
return -4;
|
|
/*
|
|
if (overlayTable[overlayIdx].var1E) {
|
|
free(overlayTable[overlayIdx].var1E);
|
|
overlayTable[overlayIdx].var1E = NULL;
|
|
}
|
|
|
|
if (overlayTable[overlayIdx].var16) {
|
|
free(overlayTable[overlayIdx].var16);
|
|
overlayTable[overlayIdx].var16 = NULL;
|
|
} */
|
|
|
|
removeScript(overlayIdx, -1, &procHead);
|
|
removeScript(overlayIdx, -1, &procHead);
|
|
|
|
removeScript(overlayIdx, -1, &relHead);
|
|
removeScript(overlayIdx, -1, &relHead);
|
|
|
|
debug(1, "releaseOverlay: finish !");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32 findOverlayByName2(const char *name) {
|
|
int i;
|
|
|
|
for (i = 1; i < numOfLoadedOverlay; i++) {
|
|
if (!strcmp(overlayTable[i].overlayName, name))
|
|
return (i);
|
|
}
|
|
|
|
return (-4);
|
|
}
|
|
|
|
int findOverlayByName(const char *overlayName) {
|
|
int i;
|
|
|
|
for (i = 1; i < numOfLoadedOverlay; i++) {
|
|
if (!strcmp(overlayTable[i].overlayName, overlayName)) {
|
|
return (i);
|
|
}
|
|
}
|
|
|
|
return (-4);
|
|
}
|
|
|
|
} // End of namespace Cruise
|