From b73889da9f33b883894db6a989037030fee99f95 Mon Sep 17 00:00:00 2001
From: Indrajith K L <mac91112@gmail.com>
Date: Sun, 1 Aug 2021 02:26:00 +0530
Subject: [PATCH] Basic Renderer * Adds Tiled map JSON rendering * TODO Cleanup
 & Organization

---
 .gitignore                |   1 +
 assets/level1.json        |  73 ++++++++++++++++++++++++++++++++++++++
 assets/level1.tmx         |  67 ++++++++++++++++++++++++++++++++++
 assets/main_tileset.tsx   |   4 +++
 assets/tilemap_packed.png | Bin 0 -> 4501 bytes
 layerType.wren            |   5 +++
 main.wren                 |  72 +++++++++++++++++++++++++++++++++++++
 scratch.md                |  22 ++++++++++++
 8 files changed, 244 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 assets/level1.json
 create mode 100644 assets/level1.tmx
 create mode 100644 assets/main_tileset.tsx
 create mode 100644 assets/tilemap_packed.png
 create mode 100644 layerType.wren
 create mode 100644 main.wren
 create mode 100644 scratch.md

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bf0824e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.log
\ No newline at end of file
diff --git a/assets/level1.json b/assets/level1.json
new file mode 100644
index 0000000..ea69794
--- /dev/null
+++ b/assets/level1.json
@@ -0,0 +1,73 @@
+{ "compressionlevel":-1,
+ "editorsettings":
+    {
+     "export":
+        {
+         "format":"json",
+         "target":"level1.json"
+        }
+    },
+ "height":16,
+ "infinite":false,
+ "layers":[
+        {
+         "data":[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+         "height":16,
+         "id":1,
+         "name":"ground",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":16,
+         "x":0,
+         "y":0
+        }, 
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 97, 98, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 114, 115, 116, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 131, 132, 133, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 108, 110, 109, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":16,
+         "id":2,
+         "name":"buildings",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":16,
+         "x":0,
+         "y":0
+        }, 
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":16,
+         "id":4,
+         "name":"Tile Layer 3",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":16,
+         "x":0,
+         "y":0
+        }],
+ "nextlayerid":5,
+ "nextobjectid":1,
+ "orientation":"orthogonal",
+ "renderorder":"right-down",
+ "tiledversion":"1.5.0",
+ "tileheight":16,
+ "tilesets":[
+        {
+         "columns":17,
+         "firstgid":1,
+         "image":"tilemap_packed.png",
+         "imageheight":128,
+         "imagewidth":272,
+         "margin":0,
+         "name":"main_tileset",
+         "spacing":0,
+         "tilecount":136,
+         "tileheight":16,
+         "tilewidth":16
+        }],
+ "tilewidth":16,
+ "type":"map",
+ "version":1.5,
+ "width":16
+}
\ No newline at end of file
diff --git a/assets/level1.tmx b/assets/level1.tmx
new file mode 100644
index 0000000..2fe128f
--- /dev/null
+++ b/assets/level1.tmx
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<map version="1.5" tiledversion="1.5.0" orientation="orthogonal" renderorder="right-down" width="16" height="16" tilewidth="16" tileheight="16" infinite="0" nextlayerid="5" nextobjectid="1">
+ <editorsettings>
+  <export target="level1.json" format="json"/>
+ </editorsettings>
+ <tileset firstgid="1" source="main_tileset.tsx"/>
+ <layer id="1" name="ground" width="16" height="16">
+  <data encoding="csv">
+1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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+1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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+1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
+</data>
+ </layer>
+ <layer id="2" name="buildings" width="16" height="16">
+  <data encoding="csv">
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+</data>
+ </layer>
+ <layer id="4" name="Tile Layer 3" width="16" height="16">
+  <data encoding="csv">
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+</data>
+ </layer>
+</map>
diff --git a/assets/main_tileset.tsx b/assets/main_tileset.tsx
new file mode 100644
index 0000000..0b0b1d6
--- /dev/null
+++ b/assets/main_tileset.tsx
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<tileset version="1.5" tiledversion="1.5.0" name="main_tileset" tilewidth="16" tileheight="16" tilecount="136" columns="17">
+ <image source="tilemap_packed.png" width="272" height="128"/>
+</tileset>
diff --git a/assets/tilemap_packed.png b/assets/tilemap_packed.png
new file mode 100644
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diff --git a/layerType.wren b/layerType.wren
new file mode 100644
index 0000000..cee6b82
--- /dev/null
+++ b/layerType.wren
@@ -0,0 +1,5 @@
+// ENUM lol
+class LayerType {
+    static Tile { "tilelayer" }
+    static Object { "objectgroup" }
+}
\ No newline at end of file
diff --git a/main.wren b/main.wren
new file mode 100644
index 0000000..1d472b0
--- /dev/null
+++ b/main.wren
@@ -0,0 +1,72 @@
+import "graphics" for ImageData
+import "json" for Json
+import "graphics" for Canvas, Color
+import "./layerType" for LayerType
+import "dome" for Window
+import "math" for Math
+class Main {
+    construct new() {
+        _tileSheet = ImageData.loadFromFile("assets/tilemap_packed.png")
+        _tileSheetH = 128
+        _tileSheetW = 272
+        _tileH = 16
+        _tileW = 16
+        _rows = _tileSheetW/_tileW
+        _cols = _tileSheetH/_tileH
+        _levelData = Json.load("assets/level1.json")
+        _levelHeight = _levelData["tileheight"]
+        _levelWidth = _levelData["tilewidth"]
+        _layers = _levelData["layers"]       
+        Window.resize(256, 256)
+        Canvas.resize(256, 256)
+        
+    }
+
+    init() {
+
+    }
+
+    update() {
+
+    }
+
+    drawTile(tileIndex, mapX, mapY) {
+        var spriteX = (tileIndex % _rows)
+        var spriteY = Math.floor ((tileIndex - spriteX) % _cols)
+        _tileSheet.transform({
+            "srcX": spriteX * 16,
+            "srcY": spriteY * 16,
+            "srcW": _tileW,
+            "srcH": _tileH,
+            "scaleX": 1,
+            "scaleY": 1
+        }).draw(mapX*16,mapY*16)
+    }
+
+    drawLevel(x, y) {
+        for(layer in _layers) {
+            var index = 0        
+            for(levelY in 0...(_levelHeight)) {
+                for(levelX in 0...(_levelWidth)) {                    
+                    if((layer["type"] == LayerType.Tile) && (layer["visible"] == true)) {
+                        var tileIndex = layer["data"][index]
+                        if (tileIndex > 0) {
+                            drawTile(tileIndex-1, levelX, levelY)
+                        }
+                    }
+                  index = index + 1
+                }
+            }
+        }
+    }
+
+    getTile() {
+
+    }
+
+    draw(alpha) {
+        drawLevel(0,0)
+    }
+}
+
+var Game = Main.new()
\ No newline at end of file
diff --git a/scratch.md b/scratch.md
new file mode 100644
index 0000000..0eb82bf
--- /dev/null
+++ b/scratch.md
@@ -0,0 +1,22 @@
+
+## Wren Scratch
+### Matrix 
+```wren
+var matrix = [[1, 2, 3], [4, 5, 6]]
+System.print(matrix[0][0])
+for(layer in _layerData) {
+    System.print(layer)
+}
+```
+
+### Sprite Sheet Transform
+```wren
+_spriteSheet.transform({
+            "srcX": 16*14,
+            "srcY": 0,
+            "srcW": 16,
+            "srcH": 16,
+            "scaleX": 2,
+            "scaleY": 2
+        }).draw(0,0)
+```
\ No newline at end of file