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scummvm-cursorfix/engines/wintermute/ad/ad_geom_ext.cpp
2026-02-02 04:50:13 +01:00

155 lines
4.0 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/*
* This file is based on WME.
* http://dead-code.org/redir.php?target=wme
* Copyright (c) 2003-2013 Jan Nedoma and contributors
*/
#include "engines/wintermute/ad/ad_geom_ext.h"
#include "engines/wintermute/ad/ad_geom_ext_node.h"
#include "engines/wintermute/ad/ad_types.h"
#include "engines/wintermute/base/base_file_manager.h"
#include "engines/wintermute/base/base_game.h"
#include "engines/wintermute/base/base_parser.h"
#include "engines/wintermute/utils/utils.h"
#include "engines/wintermute/dcgf.h"
namespace Wintermute {
//////////////////////////////////////////////////////////////////////////
AdGeomExt::AdGeomExt(BaseGame *in_game) : BaseClass(in_game) {
}
//////////////////////////////////////////////////////////////////////////
AdGeomExt::~AdGeomExt() {
for (int32 i = 0; i < _nodes.getSize(); i++) {
SAFE_DELETE(_nodes[i]);
}
_nodes.removeAll();
}
//////////////////////////////////////////////////////////////////////////
bool AdGeomExt::loadFile(char *filename) {
char *buffer = (char *)BaseFileManager::getEngineInstance()->readWholeFile(filename);
if (buffer == nullptr) {
_game->LOG(0, "AdGeomExt::LoadFile failed for file '%s'", filename);
return false;
}
bool ret = loadBuffer(buffer);
if (!ret) {
_game->LOG(0, "Error parsing geometry description file '%s'", filename);
}
delete[] buffer;
return ret;
}
TOKEN_DEF_START
TOKEN_DEF(GEOMETRY)
TOKEN_DEF(NODE)
TOKEN_DEF_END
//////////////////////////////////////////////////////////////////////////
bool AdGeomExt::loadBuffer(char *buffer) {
TOKEN_TABLE_START(commands)
TOKEN_TABLE(GEOMETRY)
TOKEN_TABLE(NODE)
TOKEN_TABLE_END
char *params;
int cmd;
BaseParser parser(_game);
if (parser.getCommand(&buffer, commands, &params) != TOKEN_GEOMETRY) {
_game->LOG(0, "'GEOMETRY' keyword expected.");
return false;
}
buffer = params;
while ((cmd = parser.getCommand(&buffer, commands, &params)) > 0) {
switch (cmd) {
case TOKEN_NODE: {
AdGeomExtNode *node = new AdGeomExtNode(_game);
if (node && node->loadBuffer(params, false)) {
_nodes.add(node);
} else {
SAFE_DELETE(node);
cmd = PARSERR_GENERIC;
}
}
break;
}
}
if (cmd == PARSERR_TOKENNOTFOUND) {
_game->LOG(0, "Syntax error in geometry description file");
return false;
}
if (cmd == PARSERR_GENERIC) {
_game->LOG(0, "Error loading geometry description");
return false;
}
addStandardNodes();
return true;
}
//////////////////////////////////////////////////////////////////////////
bool AdGeomExt::addStandardNodes() {
AdGeomExtNode *node;
node = new AdGeomExtNode(_game);
node->setupNode("walk_*", GEOM_WALKPLANE, true);
_nodes.add(node);
node = new AdGeomExtNode(_game);
node->setupNode("blk_*", GEOM_BLOCKED, false);
_nodes.add(node);
node = new AdGeomExtNode(_game);
node->setupNode("wpt_*", GEOM_WAYPOINT, false);
_nodes.add(node);
return true;
}
//////////////////////////////////////////////////////////////////////////
AdGeomExtNode *AdGeomExt::matchName(const char *name) {
if (!name) {
return nullptr;
}
for (int32 i = 0; i < _nodes.getSize(); i++) {
if (_nodes[i]->matchesName(name)) {
return _nodes[i];
}
}
return nullptr;
}
} // namespace Wintermute