mirror of
https://github.com/libretro/scummvm.git
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87 lines
2.4 KiB
C++
87 lines
2.4 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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/*
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* This code is based on Broken Sword 2.5 engine
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*
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* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
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*
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* Licensed under GNU GPL v2
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*
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*/
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#include "sword25/math/vertex.h"
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#include "sword25/util/lua/lua.h"
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#include "sword25/util/lua/lauxlib.h"
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namespace Sword25 {
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Vertex &Vertex::luaVertexToVertex(lua_State *L, int stackIndex, Vertex &vertex) {
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#ifdef DEBUG
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int __startStackDepth = lua_gettop(L);
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#endif
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// Ensure that we actually consider a table
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luaL_checktype(L, stackIndex, LUA_TTABLE);
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// Read X Component
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lua_pushstring(L, "X");
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lua_gettable(L, stackIndex);
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if (!lua_isnumber(L, -1)) luaL_argcheck(L, 0, stackIndex, "the X component has to be a number");
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vertex.x = static_cast<int>(lua_tonumber(L, -1));
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lua_pop(L, 1);
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// Read Y Component
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lua_pushstring(L, "Y");
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lua_gettable(L, stackIndex);
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if (!lua_isnumber(L, -1)) luaL_argcheck(L, 0, stackIndex, "the Y component has to be a number");
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vertex.y = static_cast<int>(lua_tonumber(L, -1));
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lua_pop(L, 1);
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#ifdef DEBUG
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BS_ASSERT(__startStackDepth == lua_gettop(L));
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#endif
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return vertex;
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}
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void Vertex::vertexToLuaVertex(lua_State *L, const Vertex &vertex) {
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// Create New Table
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lua_newtable(L);
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// X value is written to table
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lua_pushstring(L, "X");
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lua_pushnumber(L, vertex.x);
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lua_settable(L, -3);
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// Y value is written to table
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lua_pushstring(L, "Y");
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lua_pushnumber(L, vertex.y);
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lua_settable(L, -3);
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}
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} // End of namespace Sword25
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