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site/posts/2020-12-14-Tiles-and-maps.md
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site/posts/2020-12-14-Tiles-and-maps.md
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---
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title: Tiles and maps
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author: nek0
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tags:
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- "devlog: pituicat"
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- english
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description: Putting previous stuff to use and walking steadily forward
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---
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Hi there!
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Another weekend passed and another step has been taken. Last time I was
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struggling my way through OpenGL and got a single quad displayed on screen,
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which I had hardcoded there. The next step I decided to take was reading level
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maps and generate quads where tiles would be and texture them properly.
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I had already put some thought into how to store level information.
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May train of thought here is, that tiles are static and arranged in layers
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above each other. To represent that I use a simple bitmap picture per layer.
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every single pixel in this bitmap represents a tile. The red channel contains
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the information of the tile type (at the moment there are only solid tiles,
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platform tiles and decoration tiles). The green and blue channel mark the
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offset on the tilemap. To make the information visible to the naked eye, the
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information is stored inverted, so that filled areas appear white and empty
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areas black.
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I will have to figure out dynamic objects like collectibles or enemies later.
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So after defining types for the tiles, the tilemap and the level map I also
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defined a rather generic typeclass for anything drawable to spew out vertices
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with texture coordinate information. Putting my game on the screen now looks
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like this:
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![Screenshot](/images/2020-12-14_preview.png "a black screen with white tiles")
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Making progress is fun and I enjoy making it in my own bespoken way, though
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havig to think in different coordinate systems at the same time (OpenGL
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coordinates vs. Image coordinates mostly) can cause quite a headache and some
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rather fun bugs.
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As always, feel free to check out the code on [my gitea](https://gitea.nek0.eu/nek0/pituicat).
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See you next time!
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site/posts/2020-12-23-Player-ready.md
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site/posts/2020-12-23-Player-ready.md
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---
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title: Player ready
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author: nek0
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tags:
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- "devlog: pituicat"
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- english
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description: Progress yields now a displayable player character
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---
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Hello again and welcome to my little corner of the internet.
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Between some christmas preparations and work I was able to squeeze in also some
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development time on my game again with some visible results.
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Most of the time I was preparing plumbing again for static objects (called
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"Props") and interactable entities (called "Actors") to be displayed on top of
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their according layer of residence.
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After having the plumbing ready I created an entity for the player to be
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displayed and this was the result:
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![Screenshot](/images/2020-12-23_preview.png)
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The player does not move yet and does not interact with anything, so the
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graphics just sit there, but I am still quite happy for it to work.
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Next up I will probably start implementing keyboard interaction, so the player
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can actually move.
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Until next time.
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Keep calm and wash hands.
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