Add support for elemental db and draw elementals sprites.

2 files changed, 206 insertions, 0 deletions

diff --git a/src/resources/db/elementaldb.cpp b/src/resources/db/elementaldb.cpp
new file mode 100644
index 000000000..ecfbbcef3
--- /dev/null
+++ b/src/resources/db/elementaldb.cpp
@@ -0,0 +1,156 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2016  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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
+ *  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/>.
+ */
+
+#include "resources/db/elementaldb.h"
+
+#include "configuration.h"
+
+#include "resources/beingcommon.h"
+#include "resources/beinginfo.h"
+
+#include "utils/checkutils.h"
+#include "utils/dtor.h"
+
+#include "debug.h"
+
+namespace
+{
+    BeingInfos mElementalInfos;
+    bool mLoaded = false;
+}
+
+void ElementalDb::load()
+{
+    if (mLoaded)
+        unload();
+
+    logger->log1("Initializing elemental database...");
+    loadXmlFile(paths.getStringValue("elementalsFile"), SkipError_false);
+    loadXmlFile(paths.getStringValue("elementalsPatchFile"), SkipError_true);
+    loadXmlDir("elementalsPatchDir", loadXmlFile);
+
+    mLoaded = true;
+}
+
+void ElementalDb::loadXmlFile(const std::string &fileName,
+                               const SkipError skipError)
+{
+    XML::Document doc(fileName, UseResman_true, skipError);
+    const XmlNodePtr rootNode = doc.rootNode();
+
+    if (!rootNode || !xmlNameEqual(rootNode, "elementals"))
+    {
+        logger->log("Elemental Database: Error while loading %s!",
+            paths.getStringValue("elementalsFile").c_str());
+        mLoaded = true;
+        return;
+    }
+
+    const int offset = XML::getProperty(rootNode, "offset", 0);
+
+    // iterate <elemental>s
+    for_each_xml_child_node(elementalNode, rootNode)
+    {
+        if (xmlNameEqual(elementalNode, "include"))
+        {
+            const std::string name = XML::getProperty(
+                elementalNode, "name", "");
+            if (!name.empty())
+                loadXmlFile(name, skipError);
+            continue;
+        }
+        if (!xmlNameEqual(elementalNode, "elemental"))
+            continue;
+
+        const int id = XML::getProperty(elementalNode, "id", 0);
+        BeingInfo *currentInfo = nullptr;
+        if (mElementalInfos.find(fromInt(id + offset, BeingTypeId))
+            != mElementalInfos.end())
+        {
+            logger->log("ElementalDb: Redefinition of elemental ID %d", id);
+            currentInfo = mElementalInfos[fromInt(id + offset, BeingTypeId)];
+        }
+        if (!currentInfo)
+            currentInfo = new BeingInfo;
+
+        currentInfo->setBlockType(BlockType::NONE);
+        BeingCommon::readBasicAttributes(currentInfo,
+            elementalNode, "attack");
+
+        currentInfo->setMaxHP(XML::getProperty(elementalNode, "maxHP", 0));
+
+        currentInfo->setDeadSortOffsetY(XML::getProperty(
+            elementalNode, "deadSortOffsetY", 31));
+
+        currentInfo->setColorsList(XML::getProperty(elementalNode,
+            "colors", ""));
+
+        if (currentInfo->getMaxHP())
+            currentInfo->setStaticMaxHP(true);
+
+        SpriteDisplay display;
+
+        // iterate <sprite>s and <sound>s
+        for_each_xml_child_node(spriteNode, elementalNode)
+        {
+            BeingCommon::readObjectNodes(spriteNode, display,
+                currentInfo, "ElementalDb");
+        }
+        currentInfo->setDisplay(display);
+
+        mElementalInfos[fromInt(id + offset, BeingTypeId)] = currentInfo;
+    }
+}
+
+void ElementalDb::unload()
+{
+    delete_all(mElementalInfos);
+    mElementalInfos.clear();
+
+    mLoaded = false;
+}
+
+
+BeingInfo *ElementalDb::get(const BeingTypeId id)
+{
+    BeingInfoIterator i = mElementalInfos.find(id);
+
+    if (i == mElementalInfos.end())
+    {
+        i = mElementalInfos.find(id);
+        if (i == mElementalInfos.end())
+        {
+            reportAlways("ElementalDb: Warning, unknown elemental ID "
+                "%d requested",
+                toInt(id, int));
+            return BeingInfo::unknown;
+        }
+        else
+        {
+            return i->second;
+        }
+    }
+    else
+    {
+        return i->second;
+    }
+}
diff --git a/src/resources/db/elementaldb.h b/src/resources/db/elementaldb.h
new file mode 100644
index 000000000..97953a32f
--- /dev/null
+++ b/src/resources/db/elementaldb.h
@@ -0,0 +1,50 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2016  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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
+ *  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/>.
+ */
+
+#ifndef RESOURCES_DB_ELEMENTALDB_H
+#define RESOURCES_DB_ELEMENTALDB_H
+
+#include "enums/simpletypes/beingtypeid.h"
+#include "enums/simpletypes/skiperror.h"
+
+#include "localconsts.h"
+
+#include <string>
+
+class BeingInfo;
+
+/**
+ * Elemental information database.
+ */
+namespace ElementalDb
+{
+    void load();
+
+    void unload();
+
+    void loadXmlFile(const std::string &fileName,
+                     const SkipError skipError);
+
+    BeingInfo *get(const BeingTypeId id) A_WARN_UNUSED;
+}  // namespace ElementalDb
+
+#endif  // RESOURCES_DB_ELEMENTALDB_H