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RuntimeException when loading a saved game #10

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RuntimeException when loading a saved game #10

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c26933b
RuntimeException while restoring savegames when cartridge has task ev…
allyourcodearebelongtous Apr 10, 2020
80adc39
RuntimeException while restoring savegames when cartridge has task ev…
allyourcodearebelongtous Apr 10, 2020
44a1895
Merge remote-tracking branch 'origin/master'
allyourcodearebelongtous Apr 10, 2020
9de4575
RuntimeException while restoring savegames when cartridge has task ev…
allyourcodearebelongtous Apr 10, 2020
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308 changes: 156 additions & 152 deletions OpenWIGLibrary/src/cz/matejcik/openwig/EventTable.java
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Original file line number Diff line number Diff line change
@@ -1,152 +1,156 @@
package cz.matejcik.openwig;

import se.krka.kahlua.stdlib.BaseLib;
import se.krka.kahlua.vm.*;

import java.io.*;

public class EventTable implements LuaTable, Serializable {

public LuaTable table = new LuaTableImpl();

private LuaTable metatable = new LuaTableImpl();

private static class TostringJavaFunc implements JavaFunction {

public EventTable parent;

public TostringJavaFunc (EventTable parent) {
this.parent = parent;
}

public int call (LuaCallFrame callFrame, int nArguments) {
callFrame.push(parent.luaTostring());
return 1;
}
};

protected String luaTostring () { return "a ZObject instance"; }

public EventTable() {
metatable.rawset("__tostring", new TostringJavaFunc(this));
}

public void serialize (DataOutputStream out) throws IOException {
Engine.instance.savegame.storeValue(table, out);
}

public void deserialize (DataInputStream in) throws IOException {
Engine.instance.savegame.restoreValue(in, this);
//setTable(table);
}

public String name, description;
public ZonePoint position = null;
protected boolean visible = false;

public Media media, icon;

public byte[] getMedia () throws IOException {
return Engine.mediaFile(media);
}

public byte[] getIcon () throws IOException {
return Engine.mediaFile(icon);
}

public boolean isVisible() { return visible; }

public void setPosition(ZonePoint location) {
position = location;
table.rawset("ObjectLocation", location);
}

public boolean isLocated() {
return position != null;
}

protected void setItem(String key, Object value) {
if ("Name".equals(key)) {
name = BaseLib.rawTostring(value);
} else if ("Description".equals(key)) {
description = Engine.removeHtml(BaseLib.rawTostring(value));
} else if ("Visible".equals(key)) {
visible = LuaState.boolEval(value);
} else if ("ObjectLocation".equals(key)) {
//setPosition(ZonePoint.copy((ZonePoint)value));
// i know there was need to copy. but why? it is messing up deserialization
position = (ZonePoint)value;
} else if ("Media".equals(key)) {
media = (Media)value;
} else if ("Icon".equals(key)) {
icon = (Media)value;
}
}

protected Object getItem (String key) {
if ("CurrentDistance".equals(key)) {
if (isLocated()) return LuaState.toDouble(position.distance(Engine.instance.player.position));
else return LuaState.toDouble(-1);
} else if ("CurrentBearing".equals(key)) {
if (isLocated())
return LuaState.toDouble(ZonePoint.angle2azimuth(position.bearing(Engine.instance.player.position)));
else return LuaState.toDouble(0);
} else return table.rawget(key);
}

public void setTable (LuaTable table) {
Object n = null;
while ((n = table.next(n)) != null) {
Object val = table.rawget(n);
rawset(n, val);
//if (n instanceof String) setItem((String)n, val);
}
}

public void callEvent(String name, Object param) {
try {
Object o = table.rawget(name);
if (o instanceof LuaClosure) {
Engine.log("EVNT: " + toString() + "." + name + (param!=null ? " (" + param.toString() + ")" : ""), Engine.LOG_CALL);
LuaClosure event = (LuaClosure) o;
Engine.state.call(event, this, param, null);
Engine.log("EEND: " + toString() + "." + name, Engine.LOG_CALL);
}
} catch (Throwable t) {
Engine.stacktrace(t);
}
}

public boolean hasEvent(String name) {
return (table.rawget(name)) instanceof LuaClosure;
}

public String toString() {
return (name == null ? "(unnamed)" : name);
}

public void rawset(Object key, Object value) {
// TODO unify rawset/setItem
if (key instanceof String) {
setItem((String) key, value);
}
table.rawset(key, value);
Engine.log("PROP: " + toString() + "." + key + " is set to " + (value == null ? "nil" : value.toString()), Engine.LOG_PROP);
}

public void setMetatable (LuaTable metatable) { }

public LuaTable getMetatable () { return metatable; }

public Object rawget (Object key) {
// TODO unify rawget/getItem
if (key instanceof String)
return getItem((String)key);
else
return table.rawget(key);
}

public Object next (Object key) { return table.next(key); }

public int len () { return table.len(); }
}
package cz.matejcik.openwig;

import se.krka.kahlua.stdlib.BaseLib;
import se.krka.kahlua.vm.*;
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import java.io.*;

public class EventTable implements LuaTable, Serializable {

public LuaTable table = new LuaTableImpl();

private LuaTable metatable = new LuaTableImpl();

private static class TostringJavaFunc implements JavaFunction {

public EventTable parent;

public TostringJavaFunc (EventTable parent) {
this.parent = parent;
}

public int call (LuaCallFrame callFrame, int nArguments) {
callFrame.push(parent.luaTostring());
return 1;
}
};

protected String luaTostring () { return "a ZObject instance"; }

public EventTable() {
metatable.rawset("__tostring", new TostringJavaFunc(this));
}

public void serialize (DataOutputStream out) throws IOException {
Engine.instance.savegame.storeValue(table, out);
}

public void deserialize (DataInputStream in) throws IOException {
Engine.instance.savegame.restoreValue(in, this);
//setTable(table);
}

public String name, description;
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public ZonePoint position = null;
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protected boolean visible = false;
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public Media media, icon;
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public byte[] getMedia () throws IOException {
return Engine.mediaFile(media);
}

public byte[] getIcon () throws IOException {
return Engine.mediaFile(icon);
}

public boolean isVisible() { return visible; }

public void setPosition(ZonePoint location) {
position = location;
table.rawset("ObjectLocation", location);
}

public boolean isLocated() {
return position != null;
}

protected void setItem(String key, Object value) {
if ("Name".equals(key)) {
name = BaseLib.rawTostring(value);
} else if ("Description".equals(key)) {
description = Engine.removeHtml(BaseLib.rawTostring(value));
} else if ("Visible".equals(key)) {
visible = LuaState.boolEval(value);
} else if ("ObjectLocation".equals(key)) {
//setPosition(ZonePoint.copy((ZonePoint)value));
// i know there was need to copy. but why? it is messing up deserialization
position = (ZonePoint)value;
} else if ("Media".equals(key)) {
media = (Media)value;
} else if ("Icon".equals(key)) {
icon = (Media)value;
}
}

protected Object getItem (String key) {
if ("CurrentDistance".equals(key)) {
if (isLocated()) return LuaState.toDouble(position.distance(Engine.instance.player.position));
else return LuaState.toDouble(-1);
} else if ("CurrentBearing".equals(key)) {
if (isLocated())
return LuaState.toDouble(ZonePoint.angle2azimuth(position.bearing(Engine.instance.player.position)));
else return LuaState.toDouble(0);
} else return table.rawget(key);
}

public void setTable (LuaTable table) {
Object n = null;
while ((n = table.next(n)) != null) {
Object val = table.rawget(n);
rawset(n, val);
//if (n instanceof String) setItem((String)n, val);
}
}

public void callEvent(String name, Object param) {
try {
Object o = table.rawget(name);
if (o instanceof LuaClosure) {
Engine.log("EVNT: " + toString() + "." + name + (param!=null ? " (" + param.toString() + ")" : ""), Engine.LOG_CALL);
LuaClosure event = (LuaClosure) o;
Engine.state.call(event, this, param, null);
Engine.log("EEND: " + toString() + "." + name, Engine.LOG_CALL);
}
} catch (Throwable t) {
Engine.stacktrace(t);
}
}

public boolean hasEvent(String name) {
return (table.rawget(name)) instanceof LuaClosure;
}

public String toString() {
return (name == null ? "(unnamed)" : name);
}

public void rawset(Object key, Object value) {
rawset(key, value, false);
}

public void rawset(Object key, Object value, boolean justdeserialize) {
// TODO unify rawset/setItem
if (!justdeserialize && key instanceof String) {
setItem((String) key, value);
}
table.rawset(key, value);
Engine.log("PROP: " + toString() + "." + key + " is set to " + (value == null ? "nil" : value.toString()), Engine.LOG_PROP);
}

public void setMetatable (LuaTable metatable) { }
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public LuaTable getMetatable () { return metatable; }

public Object rawget (Object key) {
// TODO unify rawget/getItem
if (key instanceof String)
return getItem((String)key);
else
return table.rawget(key);
}

public Object next (Object key) { return table.next(key); }

public int len () { return table.len(); }
}
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