Initial commit. Implementation of part 4 - Field of View.

license.md

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+Boost Software License - Version 1.0 - August 17th, 2003
+
+Copyright (c) 2019 Andrey Penechko
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

readme.md

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+# Roguelike tutorial 2019 made with Vox programming language
+
+[Vox compiler](https://github.com/MrSmith33/tiny_jit)
+
+Compile with `tjc source/main.vx source/kernel32.vx source/sdl.vx source/sdlimage.vx source/utils.vx SDL2.dll SDL2_image.dll C:\Windows\System32\kernel32.dll`
+produces `main.exe` for win64
+
+Requires `SDL2.dll` and `SDL2_image.dll` libraries for compilation and start.

source/kernel32.vx

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+void ExitProcess(u32 uExitCode);
+u64 GetTickCount64();
+bool QueryPerformanceCounter(i64* performanceCount);
+
+u8 WriteConsoleA(
+	void* hConsoleOutput,
+	u8* lpBuffer,
+	u32 nNumberOfCharsToWrite,
+	u32* lpNumberOfCharsWritten,
+	void* lpReserved
+);
+
+void* GetStdHandle(u32 nStdHandle);
+
+enum : u32 {
+	STD_INPUT_HANDLE  = 0xFFFFFFF6,
+	STD_OUTPUT_HANDLE = 0xFFFFFFF5,
+	STD_ERROR_HANDLE  = 0xFFFFFFF4
+}