From 0903bbfb19c442b28ef80c907dd6669f677557a0 Mon Sep 17 00:00:00 2001
From: Dennis Postma <dennis@directonline.io>
Date: Sat, 8 Jun 2024 14:29:34 +0200
Subject: [PATCH] Started working on zone editor and tile loading & selecting
 for it

---
 src/components/screens/Login.vue              |  11 ++
 src/components/utilities/Modal.vue            |   2 +
 .../utilities/zoneEditor/ZoneEditor.vue       | 100 ++++++++++++++++++
 3 files changed, 113 insertions(+)
 create mode 100644 src/components/utilities/zoneEditor/ZoneEditor.vue

diff --git a/src/components/screens/Login.vue b/src/components/screens/Login.vue
index baa626c..c6485fd 100644
--- a/src/components/screens/Login.vue
+++ b/src/components/screens/Login.vue
@@ -23,12 +23,23 @@
   </div>
   <audio ref="bgm" id="bgm" src="/assets/music/bgm.mp3" loop autoplay></audio>
   <img draggable="false" src="/assets/bglogin.png" id="bg-img" alt="New Quest login background" />
+
+  <Modal :isModalOpen="true">
+    <template #modal-header>
+      <h1>Zone Editor</h1>
+    </template>
+    <template #modal-body>
+      <ZoneEditor />
+    </template>
+  </Modal>
 </template>
 
 <script setup lang="ts">
 import { ref } from 'vue'
 import { login, register } from '@/services/authentication'
 import { useNotificationStore } from '@/stores/notifications'
+import ZoneEditor from '@/components/utilities/zoneEditor/ZoneEditor.vue'
+import Modal from '@/components/utilities/Modal.vue'
 
 const bgm = ref('bgm')
 if (bgm.value.paused) {
diff --git a/src/components/utilities/Modal.vue b/src/components/utilities/Modal.vue
index ec29140..412e410 100644
--- a/src/components/utilities/Modal.vue
+++ b/src/components/utilities/Modal.vue
@@ -138,6 +138,8 @@ onUnmounted(() => {
   }
 
   .modal-body {
+    max-height: 80vh;
+    overflow: auto;
     padding: 15px;
 
     .submit {
diff --git a/src/components/utilities/zoneEditor/ZoneEditor.vue b/src/components/utilities/zoneEditor/ZoneEditor.vue
new file mode 100644
index 0000000..65a3949
--- /dev/null
+++ b/src/components/utilities/zoneEditor/ZoneEditor.vue
@@ -0,0 +1,100 @@
+<template>
+  <input type="file" @change="onFileChange" accept="image/*" />
+  <canvas ref="tileCanvas" :width="tileWidth" :height="tileHeight" style="display: none;"></canvas>
+  <div class="tiles">
+    <img
+      v-for="(tile, index) in tiles"
+      :key="index"
+      :src="tile"
+      alt="Tile"
+      @click="selectTile(index)"
+      :class="{ selected: selectedTile === index }"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted } from 'vue';
+
+const tileWidth = 64;
+const tileHeight = 32;
+const tiles = ref([]);
+const selectedTile = ref(null);
+const tileCanvas = ref(null);
+
+const onFileChange = (event) => {
+  const file = event.target.files[0];
+  if (file) {
+    const reader = new FileReader();
+    reader.onload = (e) => {
+      const img = new Image();
+      img.onload = () => {
+        splitTiles(img);
+      };
+      img.src = e.target.result;
+    };
+    reader.readAsDataURL(file);
+  }
+};
+
+const splitTiles = (img) => {
+  const canvas = tileCanvas.value;
+  const ctx = canvas.getContext('2d');
+
+  const tilesetWidth = img.width;
+  const tilesetHeight = img.height;
+  const columns = Math.floor(tilesetWidth / tileWidth);
+  const rows = Math.floor(tilesetHeight / tileHeight);
+
+  tiles.value = [];
+  selectedTile.value = null;
+
+  for (let row = 0; row < rows; row++) {
+    for (let col = 0; col < columns; col++) {
+      const x = col * tileWidth;
+      const y = row * tileHeight;
+
+      ctx.clearRect(0, 0, tileWidth, tileHeight);
+      ctx.drawImage(img, x, y, tileWidth, tileHeight, 0, 0, tileWidth, tileHeight);
+
+      const tileDataURL = canvas.toDataURL();
+      tiles.value.push(tileDataURL);
+    }
+  }
+};
+
+const selectTile = (index) => {
+  selectedTile.value = index;
+};
+
+onMounted(() => {
+  // Any additional setup if needed
+});
+
+/**
+ * Resources:
+ * https://codepen.io/Xymota/pen/gOOyxWB
+ * https://www.dynetisgames.com/2022/06/09/update-how-to-manage-big-isometric-maps-with-phaser-3-5/
+ * https://stackoverflow.com/questions/11533606/javascript-splitting-a-tileset-image-to-be-stored-in-2d-image-array
+ */
+</script>
+
+<style lang="scss">
+.tiles {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+
+.tiles img {
+  width: 64px;
+  height: 32px;
+  cursor: pointer;
+  border: 2px solid transparent;
+  transition: border 0.3s ease;
+}
+
+.tiles img.selected {
+  border: 2px solid #ff0000;
+}
+</style>
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