a5

a5/.gitignore

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-game
-
-# Prerequisites
-*.d
-
-# Object files
-*.o
-*.ko
-*.obj
-*.elf
-
-# Linker output
-*.ilk
-*.map
-*.exp
-
-# Precompiled Headers
-*.gch
-*.pch
-
-# Libraries
-*.lib
-*.a
-*.la
-*.lo
-
-# Shared objects (inc. Windows DLLs)
-*.dll
-*.so
-*.so.*
-*.dylib
-
-# Executables
-*.exe
-*.out
-*.app
-*.i*86
-*.x86_64
-*.hex
-
-# Debug files
-*.dSYM/
-*.su
-*.idb
-*.pdb
-
-# Kernel Module Compile Results
-*.mod*
-*.cmd
-.tmp_versions/
-modules.order
-Module.symvers
-Mkfile.old
-dkms.conf

a5/LICENSE

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-BSD 3-Clause License
-
-Copyright (c) 2019, Daniel Hládek
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright notice, this
-  list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright notice,
-  this list of conditions and the following disclaimer in the documentation
-  and/or other materials provided with the distribution.
-
-* Neither the name of the copyright holder nor the names of its
-  contributors may be used to endorse or promote products derived from
-  this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

a5/README.md

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-# World Game Library
-
-Learn asycnronous C programming by a game.
-
-The library implements a game loop for a character-based ncurses game;
-
-The library finds out the event types:
-
-- start and end
-- mouse events
-- keyboard events
-- screen resize events
-
-It can print colors and arbitrary characters on the screen. 
-Running is interrupted when character is drawn out of the screen.
-
-## Installation and Running
-
-Make sure, that `ncurses` is installed.
-
-Clone this repository.
-
-Compile:
-
-```c
-make
-```
-	
-Run:
-
-```c
-./game
-```
-
-## Make your own game
-
-The game happens in a rectangular world of colorful characters. 
-Your goal as a programmer is to modify the world according to the pressed keys and the internal game state.
-The library implements the game loop and draws the world to screen.
-
-Your game in file `game.c` consists of two functions:
-
-- `void* init_game()` is called in the beginning. Here you can initialize the internal state of the game.
-The function should return  a pointer to an instance of the initial game state `game`.
-- `int game_event(struct event* event,void* game)`
-is called by the game loop in periodic interval or when a key was pressed. Non-zero return value or `Ctrl+C` key interrupts the game loop.
-
-The world variable represents state of two-dimensional grid of characters on the screen. The screen matrix looks like this:
-
-```
-   origin
-   [0,0]     width
-  +--------------------+
-h |                    |
-e |                    |
-i |                    |
-g |                    |
-h |                    |
-t |                    |
-  +--------------------+
-```
-
-The world  has the following parameters:
-
-- `int height`: y-dimension of the grid.
-- `int width`: x-dimension of the grid.
-- `int interval`: maximum time between steps in milliseconds.
-
-### The Event Function
-
-The `int game_event(struct event* event,void* game)`
- function should:
-
-1. Read the game state (from the `void* game`) pointer.
-1. Examine the pressed key from event pointer. If the `key` variable is non-zero, a key was pressed. According to the pressed key, modify the game state `game`.
-1. Draw the game state. In the beginning of the step function the screen is empty.
-1. Returning non-zero value ends the game loop. 
-

a5/main.c

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-#include "game.h"
-#include "world.h"
-#include <stdlib.h>
-
-
-int main(int argc, char** argv){
-    start_world(init_game,game_event,free);
-    return 0;
-}