429 lines
12 KiB
Vue
429 lines
12 KiB
Vue
<template>
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<div>
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<div id="canvas-area">
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<vue-draggable-resizable
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style="z-index: 5;"
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:grid="[
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$store.getters.currentAscii.blockHeight,
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$store.getters.currentAscii.blockWidth,
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]"
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:w="canvas.width + $store.getters.currentAscii.blockWidth"
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:h="canvas.height + $store.getters.currentAscii.blockHeight"
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:draggable="$store.getters.getCurrentTool === 0"
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@resizing="onCanvasResize"
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@dragstop="onCavasDragStop"
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:x="$store.getters.currentAscii.x"
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:y="$store.getters.currentAscii.y"
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>
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<!-- <canvas
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ref="canvastools"
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id="canvastools"
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class="canvas"
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:width="canvas.width"
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:height="canvas.height"
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@mousemove="canvasMouseMove"
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@mousedown="canvasMouseDown"
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@mouseup="canvasMouseUp"
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></canvas> -->
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<canvas
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ref="canvas"
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id="canvas"
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class="canvas"
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:width="canvas.width"
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:height="canvas.height"
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@mousemove="canvasMouseMove"
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@mousedown="canvasMouseDown"
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@mouseup="canvasMouseUp"
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></canvas>
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</vue-draggable-resizable>
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</div>
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</div>
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</template>
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<style>
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body {
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background: #eee;
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}
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.canvas {
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position: absolute;
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background: rgba(0, 0, 0, 0.8);
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border: lightgrey 1px solid;
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z-index: 0;
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}
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</style>
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<script>
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import Block from '../components/Block.vue';
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export default {
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name: 'Editor',
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components: { Block },
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mounted() {
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if (this.$store.getters.currentAscii.blocks) {
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this.ctx = this.$refs.canvas.getContext('2d');
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this.canvas.width = this.$store.getters.currentAscii.width
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* this.$store.getters.currentAscii.blockWidth;
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this.canvas.height = this.$store.getters.currentAscii.height
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* this.$store.getters.currentAscii.blockHeight;
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this.delayRedrawCanvas();
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this.$store.commit('changeTool', 0);
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}
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},
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created() {},
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data: () => ({
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ctx: null,
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canvas: {
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width: 512,
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height: 512,
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},
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x: 0, // Ascii X and Y
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y: 0, // Ascii X and Y
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redraw: true, // Used to limit canvas redraw
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canTool: false,
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throttle: true,
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}),
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computed: {
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canvasStyle() {
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return `width:${this.canvas.width};height:${this.canvas.height};`;
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},
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generateTitle() {
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return this.$store.getters.currentAscii.title ?? '';
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},
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watchAsciiChange() {
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return this.$store.getters.currentAscii;
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},
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},
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watch: {
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watchAsciiChange(val, old) {
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this.canvas.width = this.$store.getters.currentAscii.width
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* this.$store.getters.currentAscii.blockWidth;
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this.canvas.height = this.$store.getters.currentAscii.height
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* this.$store.getters.currentAscii.blockHeight;
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this.delayRedrawCanvas();
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document.title = `asciibird - ${this.$store.getters.currentAscii.title}`;
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},
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},
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methods: {
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redrawCanvas() {
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// Clears the whole canvas, we can maybe get a better way to check how far
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// we need to clear the canvas
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this.ctx.clearRect(0, 0, 10000, 10000);
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if (this.$store.getters.currentAscii.blocks.length) {
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const BLOCK_WIDTH = this.$store.getters.currentAscii.blockWidth;
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const BLOCK_HEIGHT = this.$store.getters.currentAscii.blockHeight;
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// Position of the meta array
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let x = 0;
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let y = 0;
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// Draws the actual rectangle
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let canvasX = 0;
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let canvasY = 0;
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let curBlock = {};
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// hack font for ascii shout outs 2 beenz
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this.ctx.font = '12.5px Hack';
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for (y = 0; y < this.$store.getters.currentAscii.height + 1; y++) {
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canvasY = BLOCK_HEIGHT * y;
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for (x = 0; x < this.$store.getters.currentAscii.width + 1; x++) {
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if (
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this.$store.getters.currentAscii.blocks[y]
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&& this.$store.getters.currentAscii.blocks[y][x]
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) {
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curBlock = Object.assign(
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curBlock,
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this.$store.getters.currentAscii.blocks[y][x],
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);
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canvasX = BLOCK_WIDTH * x;
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// Background block
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if (curBlock.bg !== null) {
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this.ctx.fillStyle = this.$store.getters.mircColours[
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curBlock.bg
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];
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this.ctx.fillRect(canvasX, canvasY, BLOCK_WIDTH, BLOCK_HEIGHT);
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} else {
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this.ctx.fillStyle = 'rgba(0, 0, 200, 0)';
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}
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if (curBlock.char) {
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if (curBlock.fg !== null) {
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this.ctx.fillStyle = this.$store.getters.mircColours[
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curBlock.fg
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];
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} else {
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this.ctx.fillStyle = '#000000';
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}
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this.ctx.fillText(
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curBlock.char,
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canvasX - 1,
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canvasY + BLOCK_HEIGHT - 3,
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);
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}
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}
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}
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}
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}
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this.ctx.stroke();
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},
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onCanvasResize(left, top, width, height) {
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this.canvas.width = width;
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this.canvas.height = height;
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// Restructure blocks code here
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this.delayRedrawCanvas();
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},
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onCavasDragStop(x, y) {
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// Update left and top in panel
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this.$store.commit("changeAsciiCanvasState", {x: x, y: y})
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},
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// Mouse Up, Down and Move
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canvasMouseUp() {
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switch (this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool].name) {
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case 'brush':
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this.canTool = false;
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break;
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case 'eraser':
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this.canTool = false;
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break;
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case 'fill':
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this.canTool = false;
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break;
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}
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this.delayRedrawCanvas();
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},
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canvasMouseDown() {
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if (this.$store.getters.currentAscii.blocks[this.y] && this.$store.getters.currentAscii.blocks[this.y][this.x] && this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool]) {
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const targetBlock = this.$store.getters.currentAscii.blocks[this.y][this.x];
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switch (this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool].name) {
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case 'default':
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break;
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case 'fill':
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this.fillTool();
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break;
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case 'brush':
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this.canTool = true;
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break;
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case 'eraser':
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this.canTool = true;
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break;
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case 'dropper':
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if (this.$store.getters.getTargetingFg) {
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this.$store.commit('changeColourFg', targetBlock.fg);
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}
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if (this.$store.getters.getTargetingBg) {
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this.$store.commit('changeColourBg', targetBlock.bg);
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}
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if (this.$store.getters.getTargetingChar) {
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this.$store.commit('changeChar', targetBlock.char);
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}
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this.$store.commit('changeTool', 0);
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break;
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}
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}
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},
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canvasMouseMove(e) {
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if (e.offsetX >= 0) {
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this.x = e.offsetX;
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}
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if (e.offsetY >= 0) {
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this.y = e.offsetY;
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}
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this.x = Math.floor(this.x / this.$store.getters.currentAscii.blockWidth);
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this.y = Math.floor(
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this.y / this.$store.getters.currentAscii.blockHeight,
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);
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this.$emit('coordsupdate', { x: this.x, y: this.y });
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if (
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this.$store.getters.currentAscii.blocks[this.y]
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&& this.$store.getters.currentAscii.blocks[this.y][this.x]
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) {
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const targetBlock = this.$store.getters.currentAscii.blocks[this.y][this.x];
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switch (this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool].name) {
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case 'brush':
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if (this.canTool) {
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if (this.$store.getters.getTargetingFg) {
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targetBlock.fg = this.$store.getters.getFgColour;
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}
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if (this.$store.getters.getTargetingBg) {
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targetBlock.bg = this.$store.getters.getBgColour;
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}
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if (this.$store.getters.getTargetingChar) {
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targetBlock.char = this.$store.getters.getSelectedChar;
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}
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}
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break;
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case 'eraser':
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if (this.canTool) {
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if (this.$store.getters.getTargetingFg)
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{
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targetBlock.fg = null;
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}
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if (this.$store.getters.getTargetingBg)
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{
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targetBlock.bg = null;
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}
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if (this.$store.getters.getTargetingChar)
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{
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targetBlock.char = null;
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}
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}
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break;
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}
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}
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this.delayRedrawCanvas();
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},
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delayRedrawCanvas() {
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if (this.redraw) {
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this.redraw = false;
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setTimeout(() => {
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this.redraw = true;
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this.redrawCanvas();
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}, this.$store.state.options.canvasRedrawSpeed);
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}
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},
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// TOOLS
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fillTool( x = null, y = null, originalBlock = null, blockArray = []) {
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// Cycle through possible blocks top, left, bellow and right
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let blocks = this.$store.getters.currentAscii.blocks
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if (null === x) {
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x = this.x
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}
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if (null === y) {
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y = this.y
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}
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if (!blocks[y] && !blocks[y][x]) {
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return false;
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}
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let curBlock = blocks[y][x]
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curBlock.x = x;
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curBlock.y = y;
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if (null === originalBlock) {
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originalBlock = curBlock
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}
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// Top
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if (blocks[y-1] &&
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blocks[y-1][x] &&
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blocks[y-1][x].bg === originalBlock.bg &&
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!blockArray.includes(curBlock)) {
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// if (curBlock !== originalBlock) {
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blockArray.push(curBlock)
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// }
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this.fillTool( x, y-1, originalBlock, blockArray)
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}
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if (blocks[y] &&
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blocks[y][x+1] &&
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blocks[y][x+1].bg === originalBlock.bg &&
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!blockArray.includes(curBlock)) {
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// if (curBlock !== originalBlock) {
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blockArray.push(curBlock)
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// }
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this.fillTool( x+1, y, originalBlock, blockArray)
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}
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if (blocks[y+1] &&
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blocks[y+1][x] &&
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blocks[y+1][x].bg === originalBlock.bg &&
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!blockArray.includes(curBlock)) {
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// if (curBlock !== originalBlock) {
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blockArray.push(curBlock)
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// }
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this.fillTool( x, y+1, originalBlock, blockArray)
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}
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if (blocks[y] &&
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blocks[y][x-1] &&
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blocks[y][x-1].bg === originalBlock.bg &&
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!blockArray.includes(curBlock)) {
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// if (curBlock !== originalBlock) {
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blockArray.push(curBlock)
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// }
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this.fillTool( x-1, y, originalBlock, blockArray)
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}
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if (blocks[y] &&
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blocks[y][x] &&
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blocks[y][x].bg === originalBlock.bg &&
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!blockArray.includes(curBlock)) {
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// if (curBlock !== originalBlock) {
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blockArray.push(curBlock)
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// }
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this.fillTool( x-1, y, originalBlock, blockArray)
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}
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if (blockArray.length) {
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for(let i = 0; i <= blockArray.length-1;i++) {
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let targetBlock = this.$store.getters.currentAscii.blocks[blockArray[i].y][blockArray[i].x]
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targetBlock.bg = this.$store.getters.getBgColour;
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}
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this.delayRedrawCanvas()
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}
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},
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},
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};
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</script>
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