329 lines
9.0 KiB
Vue
329 lines
9.0 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; left: 220px"
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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 === 'default'"
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@resizing="onCanvasResize"
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@dragging="onCanvasDrag"
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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.$store.commit('changeTool', 'default');
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}
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},
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created() {},
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data: () => ({
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ctx: null,
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canvas: {
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width: 512,
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height: 512,
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},
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x: 0, // Ascii X and Y
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y: 0, // Ascii X and Y
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redraw: true, // Used to limit canvas redraw
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canTool: false,
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}),
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computed: {
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canvasStyle() {
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return `width:${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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this.delayRedrawCanvas();
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},
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onCanvasDrag(left, top) {
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// Update left and top in panel
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},
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// Mouse Up, Down and Move
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canvasMouseUp() {
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switch (this.$store.getters.getCurrentTool) {
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case 'brush':
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this.canTool = false;
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break;
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case 'eraser':
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this.canTool = false;
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break;
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case 'fill':
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this.canTool = false;
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break;
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}
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this.delayRedrawCanvas();
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},
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canvasMouseDown() {
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if (this.$store.getters.currentAscii.blocks[this.y] && this.$store.getters.currentAscii.blocks[this.y][this.x]) {
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const targetBlock = this.$store.getters.currentAscii.blocks[this.y][this.x];
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switch (this.$store.getters.getCurrentTool) {
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case 'default':
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break;
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case 'fill':
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this.fillTool(targetBlock);
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break;
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case 'brush':
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this.canTool = true;
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break;
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case 'eraser':
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this.canTool = true;
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break;
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case 'dropper':
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const curBlock = this.$store.getters.currentAscii.blocks[this.y][this.x];
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if (this.$store.getters.getTargetingFg) {
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this.$store.commit('changeColourFg', curBlock.fg);
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}
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if (this.$store.getters.getTargetingBg) {
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this.$store.commit('changeColourBg', curBlock.bg);
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}
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if (this.$store.getters.getTargetingChar) {
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this.$store.commit('changeChar', curBlock.char);
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}
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this.$store.commit('changeTool', this.$store.getters.getCurrentTool);
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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.$store.getters.currentAscii.blocks[this.y][this.x]
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) {
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switch (this.$store.getters.getCurrentTool) {
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case 'brush':
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if (this.canTool) {
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if (this.$store.getters.getTargetingFg) {
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this.$store.getters.currentAscii.blocks[this.y][this.x].fg = this.$store.getters.getFgColour;
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}
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if (this.$store.getters.getTargetingBg) {
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this.$store.getters.currentAscii.blocks[this.y][this.x].bg = this.$store.getters.getBgColour;
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}
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if (this.$store.getters.getTargetingChar) {
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this.$store.getters.currentAscii.blocks[this.y][this.x].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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this.$store.getters.currentAscii.blocks[this.y][
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this.x
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].fg = null;
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}
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if (this.$store.getters.getTargetingBg) {
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this.$store.getters.currentAscii.blocks[this.y][
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this.x
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].bg = null;
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}
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if (this.$store.getters.getTargetingChar) {
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this.$store.getters.currentAscii.blocks[this.y][
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this.x
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].char = null;
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}
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}
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break;
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}
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}
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this.delayRedrawCanvas();
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},
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delayRedrawCanvas() {
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if (this.redraw) {
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this.redraw = false;
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setTimeout(() => {
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this.redraw = true;
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this.redrawCanvas();
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}, this.$store.state.options.canvasRedrawSpeed);
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}
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},
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// TOOLS
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fillTool(block) {
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if (this.$store.getters.getTargetingBg) {
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const fillSameBg = block.bg;
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}
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console.log(block);
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},
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},
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};
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</script>
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