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-- Embedding Lua in C++ Part #1
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-- "Stupid 3D printer, I didn't want a nest..." - javidx9
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--
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-- License (OLC-3)
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-- ~~~~~~~~~~~~~~~
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--
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-- Copyright 2018-2019 OneLoneCoder.com
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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--
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-- 1. Redistributions or derivations of source code must retain the above
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-- copyright notice, this list of conditions and the following disclaimer.
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--
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-- 2. Redistributions or derivative works in binary form must reproduce
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-- the above copyright notice. This list of conditions and the following
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-- disclaimer must be reproduced in the documentation and/or other
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-- materials provided with the distribution.
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--
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-- 3. Neither the name of the copyright holder nor the names of its
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-- contributors may be used to endorse or promote products derived
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-- from this software without specific prior written permission.
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--
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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-- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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-- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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-- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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-- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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--
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-- Relevant Video: https://youtu.be/4l5HdmPoynw
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--
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-- Links
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-- ~~~~~
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-- YouTube: https://www.youtube.com/javidx9
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-- https://www.youtube.com/javidx9extra
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-- Discord: https://discord.gg/WhwHUMV
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-- Twitter: https://www.twitter.com/javidx9
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-- Twitch: https://www.twitch.tv/javidx9
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-- GitHub: https://www.github.com/onelonecoder
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-- Patreon: https://www.patreon.com/javidx9
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-- Homepage: https://www.onelonecoder.com
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--
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-- Author
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-- ~~~~~~
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-- David Barr, aka javidx9, <EFBFBD>OneLoneCoder 2019
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-- Stage 1: Reading Simple Values
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a = 5
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b = 7
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c = a + b
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d = "OneLoneCoder.com"
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-- Stage 2: Reading a simple object
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player = {Title = "Squire", Name = "Ciaran", Family = "Wirral", Level = 20}
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-- Stage 3: Calling a Lua Function
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function CalledFromCPP1(r1, r2, r3)
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io.write("[LUA S3] CalledFromCPP1("..r1..", "..r2..", "..r3..")\n")
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return r1 * r2
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end
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-- Stage 4: Calling a C++ Function
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function CalledFromCPP2(r1, r2)
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io.write("[LUA S4] CalledFromCPP2("..r1..", "..r2..")\n")
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io.write("[LUA S4] Calling HostFunction("..r1..", "..r2..")\n")
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r = HostFunction(r1, r2)
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io.write("[LUA S4] HostFunction returned "..r.."\n")
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return r * 15
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end
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