tibia-client/src/framework/luaengine/luavaluecasts.cpp

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/*
* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "luavaluecasts.h"
#include "luainterface.h"
#include <framework/otml/otmlnode.h>
// bool
int push_luavalue(bool b)
{
g_lua.pushBoolean(b);
return 1;
}
bool luavalue_cast(int index, bool& b)
{
b = g_lua.toBoolean(index);
return true;
}
// int
int push_luavalue(int i)
{
g_lua.pushInteger(i);
return 1;
}
bool luavalue_cast(int index, int& i)
{
i = g_lua.toInteger(index);
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if(i == 0 && !g_lua.isNumber(index) && !g_lua.isNil())
return false;
return true;
}
// double
int push_luavalue(double d)
{
g_lua.pushNumber(d);
return 1;
}
bool luavalue_cast(int index, double& d)
{
d = g_lua.toNumber(index);
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if(d == 0 && !g_lua.isNumber(index) && !g_lua.isNil())
return false;
return true;
}
// string
int push_luavalue(const char* cstr)
{
g_lua.pushCString(cstr);
return 1;
}
int push_luavalue(const std::string& str)
{
g_lua.pushString(str);
return 1;
}
bool luavalue_cast(int index, std::string& str)
{
str = g_lua.toString(index);
return true;
}
// lua cpp function
int push_luavalue(const LuaCppFunction& func)
{
g_lua.pushCppFunction(func);
return 1;
}
// color
int push_luavalue(const Color& color)
{
g_lua.newTable();
g_lua.pushInteger(color.r());
g_lua.setField("r");
g_lua.pushInteger(color.g());
g_lua.setField("g");
g_lua.pushInteger(color.b());
g_lua.setField("b");
g_lua.pushInteger(color.a());
g_lua.setField("a");
return 1;
}
bool luavalue_cast(int index, Color& color)
{
if(g_lua.isTable(index)) {
g_lua.getField("r", index);
color.setRed((int)g_lua.popInteger());
g_lua.getField("g", index);
color.setGreen((int)g_lua.popInteger());
g_lua.getField("b", index);
color.setBlue((int)g_lua.popInteger());
g_lua.getField("a", index);
color.setAlpha((int)g_lua.popInteger());
return true;
} else if(g_lua.isString()) {
return stdext::cast(g_lua.toString(index), color);
} else if(g_lua.isNil()) {
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color = Color::white;
return true;
}
return false;
}
// rect
int push_luavalue(const Rect& rect)
{
g_lua.newTable();
g_lua.pushInteger(rect.x());
g_lua.setField("x");
g_lua.pushInteger(rect.y());
g_lua.setField("y");
g_lua.pushInteger(rect.width());
g_lua.setField("width");
g_lua.pushInteger(rect.height());
g_lua.setField("height");
return 1;
}
bool luavalue_cast(int index, Rect& rect)
{
if(g_lua.isTable(index)) {
g_lua.getField("x", index);
rect.setX(g_lua.popInteger());
g_lua.getField("y", index);
rect.setY(g_lua.popInteger());
g_lua.getField("width", index);
rect.setWidth(g_lua.popInteger());
g_lua.getField("height", index);
rect.setHeight(g_lua.popInteger());
return true;
} else if(g_lua.isString()) {
return stdext::cast(g_lua.toString(index), rect);
} else if(g_lua.isNil()) {
rect = Rect();
return true;
}
return false;
}
// point
int push_luavalue(const Point& point)
{
g_lua.newTable();
g_lua.pushInteger(point.x);
g_lua.setField("x");
g_lua.pushInteger(point.y);
g_lua.setField("y");
return 1;
}
bool luavalue_cast(int index, Point& point)
{
if(g_lua.isTable(index)) {
g_lua.getField("x", index);
point.x = g_lua.popInteger();
g_lua.getField("y", index);
point.y = g_lua.popInteger();
return true;
} else if(g_lua.isString()) {
return stdext::cast(g_lua.toString(index), point);
} else if(g_lua.isNil()) {
point = Point();
return true;
}
return false;
}
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// size
int push_luavalue(const Size& size)
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{
g_lua.newTable();
g_lua.pushInteger(size.width());
g_lua.setField("width");
g_lua.pushInteger(size.height());
g_lua.setField("height");
return 1;
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}
bool luavalue_cast(int index, Size& size)
{
if(g_lua.isTable(index)) {
g_lua.getField("width", index);
size.setWidth(g_lua.popInteger());
g_lua.getField("height", index);
size.setHeight(g_lua.popInteger());
return true;
} else if(g_lua.isString()) {
return stdext::cast(g_lua.toString(index), size);
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} else if(g_lua.isNil()) {
size = Size();
return true;
}
return false;
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}
// otml nodes
void push_otml_subnode_luavalue(const OTMLNodePtr& node)
{
if(node->hasValue()) {
union {
bool b;
double d;
long l;
};
std::string value = node->rawValue();
if(stdext::cast(value, b))
g_lua.pushBoolean(b);
else if(stdext::cast(value, l))
g_lua.pushInteger(l);
else if(stdext::cast(value, d))
g_lua.pushNumber(d);
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else
g_lua.pushString(value);
} else if(node->hasChildren()) {
g_lua.newTable();
bool pushedChild = false;
int currentIndex = 1;
for(const OTMLNodePtr& cnode : node->children()) {
push_otml_subnode_luavalue(cnode);
if(!g_lua.isNil()) {
if(cnode->isUnique()) {
g_lua.pushString(cnode->tag());
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g_lua.insert(-2);
g_lua.rawSet();
} else
g_lua.rawSeti(currentIndex++);
pushedChild = true;
} else
g_lua.pop();
}
if(!pushedChild) {
g_lua.pop();
g_lua.pushNil();
}
} else
g_lua.pushNil();
}
int push_luavalue(const OTMLNodePtr& node)
{
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if(node) {
g_lua.newTable();
int currentIndex = 1;
for(const OTMLNodePtr& cnode : node->children()) {
push_otml_subnode_luavalue(cnode);
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if(cnode->isUnique() && !cnode->tag().empty()) {
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g_lua.setField(cnode->tag());
} else
g_lua.rawSeti(currentIndex++);
}
} else
g_lua.pushNil();
return 1;
}
bool luavalue_cast(int index, OTMLNodePtr& node)
{
node = OTMLNode::create();
node->setUnique(true);
if(g_lua.isTable(index)) {
g_lua.pushNil();
while(g_lua.next(index < 0 ? index-1 : index)) {
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std::string cnodeName;
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if(!g_lua.isNumber(-2))
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cnodeName = g_lua.toString(-2);
if(g_lua.isTable()) {
OTMLNodePtr cnode;
if(luavalue_cast(-1, cnode)) {
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if(cnodeName.empty())
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node->setUnique(false);
else
cnode->setTag(cnodeName);
node->addChild(cnode);
}
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} else {
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std::string value;
if(g_lua.isBoolean())
value = stdext::unsafe_cast<std::string>(g_lua.toBoolean());
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else
value = g_lua.toString();
if(cnodeName.empty())
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node->writeIn(value);
else
node->writeAt(cnodeName, value);
}
g_lua.pop();
}
return true;
}
return false;
}
// object ptr
bool luavalue_cast(int index, LuaObjectPtr& obj) {
if(g_lua.isUserdata(index)) {
obj = g_lua.toObject(index);
return true;
} else if(g_lua.isNil(index)) {
obj = nullptr;
return true;
}
return false;
}