mirror of
https://git.joinsharkey.org/Sharkey/Sharkey.git
synced 2024-11-24 20:23:08 +02:00
Optimization (frontend): MkModPlayer Don't waste memory on a static pattern
Fix: Inconsistent pattern height offset.
This commit is contained in:
Vavency
parent
452c5668ea
commit
00e118c0ce
1 changed files with 182 additions and 67 deletions
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@ -7,7 +7,7 @@
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</div>
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<div v-else class="mod-player-enabled">
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<div class="pattern-display" @click="togglePattern()">
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<div class="pattern-display" @click="togglePattern()" @scroll="scrollHandler" @scrollend="scrollEndHandle">
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<div v-if="patternHide" class="pattern-hide">
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<b><i class="ph-eye ph-bold ph-lg"></i> Pattern Hidden</b>
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<span>{{ i18n.ts.clickToShow }}</span>
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@ -17,6 +17,7 @@
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<canvas ref="displayCanvas" class="pattern-canvas"></canvas>
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</div>
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<div class="controls">
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<input v-if="patternScrollSliderShow" ref="patternScrollSlider" v-model="patternScrollSliderPos" class="pattern-slider" type="range" min="0" max="100" step="0.01" style=""/>
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<button class="play" @click="playPause()">
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<i v-if="playing" class="ph-pause ph-bold ph-lg"></i>
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<i v-else class="ph-play ph-bold ph-lg"></i>
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@ -35,11 +36,12 @@
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</template>
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<script lang="ts" setup>
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import { ref, nextTick, computed } from 'vue';
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import { ref, nextTick, computed, watch } from 'vue';
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import * as Misskey from 'misskey-js';
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import { i18n } from '@/i18n.js';
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import { defaultStore } from '@/store.js';
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import { ChiptuneJsPlayer, ChiptuneJsConfig } from '@/scripts/chiptune2.js';
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import { isTouchUsing } from '@/scripts/touch.js';
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const colours = {
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background: '#000000',
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@ -69,6 +71,9 @@ let playing = ref(false);
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let displayCanvas = ref<HTMLCanvasElement>();
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let progress = ref<HTMLProgressElement>();
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let position = ref(0);
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let patternScrollSlider = ref<HTMLProgressElement>();
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let patternScrollSliderShow = ref(false);
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let patternScrollSliderPos = ref(0);
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const player = ref(new ChiptuneJsPlayer(new ChiptuneJsConfig()));
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const maxRowNumbers = 0xFF;
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@ -179,20 +184,22 @@ function toggleVisible() {
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function togglePattern() {
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patternHide.value = !patternHide.value;
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if (!patternHide.value) {
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handleScrollBarEnable();
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if (player.value.getRow() === 0) {
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try {
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player.value.play(buffer);
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display();
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display(true);
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} catch (err) {
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console.warn(err);
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}
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player.value.stop();
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}
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} else {
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display(true);
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}
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}
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function DrawPattern() {
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function drawPattern() {
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if (!displayCanvas.value) return;
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const canvas = displayCanvas.value;
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@ -202,8 +209,6 @@ function DrawPattern() {
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const halfbuf = rowBuffer / 2;
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const minRow = row - halfbuf;
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const maxRow = row + halfbuf;
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const spacer = 11;
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const space = ' ';
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let rowDif = 0;
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@ -215,8 +220,8 @@ function DrawPattern() {
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rowDif = row - lastDrawnRow;
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} else {
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alreadyDrawn = [];
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canvas.width = 12 + 84 * nbChannels + 2;
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canvas.height = 12 * nbRows;
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if (canvas.width !== (12 + 84 * nbChannels + 2)) canvas.width = 12 + 84 * nbChannels + 2;
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if (canvas.height !== (12 * nbRows)) canvas.height = 12 * nbRows;
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}
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const ctx = canvas.getContext('2d', { alpha: false }) as CanvasRenderingContext2D;
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@ -235,43 +240,9 @@ function DrawPattern() {
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if (alreadyDrawn[rowToDraw] === true) continue;
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if (rowToDraw >= 0 && rowToDraw < nbRows) {
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let seperators = '';
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let note = '';
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let instr = '';
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let volume = '';
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let fx = '';
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let op = '';
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for (let channel = 0; channel < nbChannels; channel++) {
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const part = player.value.getPatternRowChannel(pattern, rowToDraw, channel);
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seperators += '|' + space.repeat( spacer + 2 );
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note += part.substring(0, 3) + space.repeat( spacer );
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instr += part.substring(4, 6) + space.repeat( spacer + 1 );
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volume += part.substring(6, 9) + space.repeat( spacer );
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fx += part.substring(10, 11) + space.repeat( spacer + 2 );
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op += part.substring(11, 13) + space.repeat( spacer + 1 );
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}
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const baseOffset = 2 * CHAR_WIDTH;
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const baseRowOffset = ROW_OFFSET_Y + rowToDraw * CHAR_HEIGHT;
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ctx.fillStyle = colours.foreground.default;
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ctx.fillText(seperators, baseOffset, baseRowOffset);
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ctx.fillStyle = colours.foreground.default;
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ctx.fillText(note, baseOffset + CHAR_WIDTH, baseRowOffset);
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ctx.fillStyle = colours.foreground.instr;
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ctx.fillText(instr, baseOffset + CHAR_WIDTH * 5, baseRowOffset);
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ctx.fillStyle = colours.foreground.volume;
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ctx.fillText(volume, baseOffset + CHAR_WIDTH * 7, baseRowOffset);
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ctx.fillStyle = colours.foreground.fx;
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ctx.fillText(fx, baseOffset + CHAR_WIDTH * 11, baseRowOffset);
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ctx.fillStyle = colours.foreground.operant;
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ctx.fillText(op, baseOffset + CHAR_WIDTH * 12, baseRowOffset);
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drawRow(ctx, rowToDraw, nbChannels, pattern, baseOffset, baseRowOffset);
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alreadyDrawn[rowToDraw] = true;
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}
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@ -281,30 +252,155 @@ function DrawPattern() {
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lastPattern = pattern;
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}
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function display() {
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if (!displayCanvas.value) {
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function drawPetternPreview() {
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if (!displayCanvas.value) return;
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const canvas = displayCanvas.value;
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const pattern = player.value.getPattern();
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const nbRows = player.value.getPatternNumRows(pattern);
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const row = player.value.getRow();
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const halfbuf = rowBuffer / 2;
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let nbChannels = 0;
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if (player.value.currentPlayingNode) {
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nbChannels = player.value.currentPlayingNode.nbChannels;
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}
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if (canvas.width !== (12 + 84 * nbChannels + 2)) canvas.width = 12 + 84 * nbChannels + 2;
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if (canvas.height !== (12 * rowBuffer)) canvas.height = 12 * rowBuffer;
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const ctx = canvas.getContext('2d', { alpha: false }) as CanvasRenderingContext2D;
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ctx.font = '10px monospace';
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ctx.imageSmoothingEnabled = false;
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ctx.fillStyle = colours.background;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.drawImage( numberRowCanvas, 0, (halfbuf - row) * CHAR_HEIGHT );
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ctx.fillStyle = colours.foreground.default;
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for (let rowOffset = 0; rowOffset < rowBuffer; rowOffset++) {
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const rowToDraw = rowOffset + row - halfbuf;
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if (rowToDraw >= 0 && rowToDraw < nbRows) {
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const baseOffset = 2 * CHAR_WIDTH;
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const baseRowOffset = ROW_OFFSET_Y + rowOffset * CHAR_HEIGHT;
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drawRow(ctx, rowToDraw, nbChannels, pattern, baseOffset, baseRowOffset);
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} else if (rowToDraw >= 0) {
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const baseRowOffset = ROW_OFFSET_Y + rowOffset * CHAR_HEIGHT;
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ctx.fillStyle = colours.background;
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ctx.fillRect(0, baseRowOffset - CHAR_HEIGHT, CHAR_WIDTH * 2, baseRowOffset);
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}
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}
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lastPattern = -1;
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lastDrawnRow = -1;
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}
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function drawRow(ctx: CanvasRenderingContext2D, row: number, channels: number, pattern: number, drawX = (2 * CHAR_WIDTH), drawY = ROW_OFFSET_Y) {
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const spacer = 11;
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const space = ' ';
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let seperators = '';
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let note = '';
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let instr = '';
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let volume = '';
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let fx = '';
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let op = '';
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for (let channel = 0; channel < channels; channel++) {
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const part = player.value.getPatternRowChannel(pattern, row, channel);
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seperators += '|' + space.repeat( spacer + 2 );
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note += part.substring(0, 3) + space.repeat( spacer );
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instr += part.substring(4, 6) + space.repeat( spacer + 1 );
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volume += part.substring(6, 9) + space.repeat( spacer );
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fx += part.substring(10, 11) + space.repeat( spacer + 2 );
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op += part.substring(11, 13) + space.repeat( spacer + 1 );
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}
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ctx.fillStyle = colours.foreground.default;
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ctx.fillText(seperators, drawX, drawY);
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ctx.fillStyle = colours.foreground.default;
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ctx.fillText(note, drawX + CHAR_WIDTH, drawY);
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ctx.fillStyle = colours.foreground.instr;
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ctx.fillText(instr, drawX + CHAR_WIDTH * 5, drawY);
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ctx.fillStyle = colours.foreground.volume;
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ctx.fillText(volume, drawX + CHAR_WIDTH * 7, drawY);
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ctx.fillStyle = colours.foreground.fx;
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ctx.fillText(fx, drawX + CHAR_WIDTH * 11, drawY);
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ctx.fillStyle = colours.foreground.operant;
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ctx.fillText(op, drawX + CHAR_WIDTH * 12, drawY);
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}
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function display(skipOptimizationChecks = false) {
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if (!displayCanvas.value || !displayCanvas.value.parentElement) {
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stop();
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return;
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}
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if (patternHide.value) return;
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if (patternHide.value && !skipOptimizationChecks) return;
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if (firstFrame) {
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firstFrame = false;
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// Change the next line to false in order to show the pattern by default.
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// Changing it to false should enable pattern display by default.
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patternHide.value = true;
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handleScrollBarEnable();
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firstFrame = false;
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}
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const row = player.value.getRow();
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const pattern = player.value.getPattern();
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if ( row === lastDrawnRow && pattern === lastPattern ) return;
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if ( row === lastDrawnRow && pattern === lastPattern && !skipOptimizationChecks) return;
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DrawPattern();
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// Size vs speed
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if (patternHide.value) drawPetternPreview();
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else drawPattern();
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displayCanvas.value.style.top = 'calc( 50% - ' + (row * CHAR_HEIGHT) + 'px )';
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displayCanvas.value.style.top = !patternHide.value ? 'calc( 50% - ' + (row * CHAR_HEIGHT) + 'px )' : '0%';
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}
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let suppressScrollSliderWatcher = false;
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function scrollHandler() {
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suppressScrollSliderWatcher = true;
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if (!patternScrollSlider.value) return;
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if (!displayCanvas.value) return;
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if (!displayCanvas.value.parentElement) return;
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patternScrollSliderPos.value = (displayCanvas.value.parentElement.scrollLeft) / (displayCanvas.value.width - displayCanvas.value.parentElement.offsetWidth) * 100;
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patternScrollSlider.value.style.opacity = '1';
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}
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function scrollEndHandle() {
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suppressScrollSliderWatcher = false;
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if (!patternScrollSlider.value) return;
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patternScrollSlider.value.style.opacity = '';
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}
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function handleScrollBarEnable() {
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patternScrollSliderShow.value = (!patternHide.value && !isTouchUsing);
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if (patternScrollSliderShow.value !== true) return;
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if (!displayCanvas.value) return;
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if (!displayCanvas.value.parentElement) return;
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if (firstFrame) {
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patternScrollSliderShow.value = (12 + 84 * player.value.getPatternNumRows(player.value.getPattern()) + 2 > displayCanvas.value.parentElement.offsetWidth);
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} else {
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patternScrollSliderShow.value = (displayCanvas.value.width > displayCanvas.value.parentElement.offsetWidth);
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}
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}
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watch(patternScrollSliderPos, () => {
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if (suppressScrollSliderWatcher) return;
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if (!displayCanvas.value) return;
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if (!displayCanvas.value.parentElement) return;
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displayCanvas.value.parentElement.scrollLeft = (displayCanvas.value.width - displayCanvas.value.parentElement.offsetWidth) * patternScrollSliderPos.value / 100;
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});
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</script>
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<style lang="scss" scoped>
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@ -347,6 +443,12 @@ function display() {
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text-align: center;
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max-height: 312px; /* magic_number = CHAR_HEIGHT * rowBuffer, needs to be in px */
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scrollbar-width: none;
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&::-webkit-scrollbar {
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display: none;
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}
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.pattern-canvas {
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position: relative;
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background-color: black;
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@ -357,36 +459,37 @@ function display() {
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.patternShadowTop {
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background: #00000080;
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pointer-events: none;
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width: 100%;
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height: 50%;
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height: calc( 50% - 14px );
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translate: 0 -100%;
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top: calc( 50% - 13px );
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top: calc( 50% - 14px );
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position: absolute;
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pointer-events: none;
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z-index: 2;
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}
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.patternShadowBottom {
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background: #00000080;
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pointer-events: none;
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width: 100%;
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height: calc( 50% + 12px );
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height: calc( 50% - 12px );
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top: calc( 50% - 1px );
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position: absolute;
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pointer-events: none;
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z-index: 2;
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}
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.pattern-hide {
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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background: rgba(64, 64, 64, 0.3);
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backdrop-filter: blur(2em);
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backdrop-filter: var(--modalBgFilter);
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color: #fff;
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font-size: 12px;
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position: absolute;
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z-index: 3;
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z-index: 4;
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width: 100%;
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height: 100%;
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@ -400,7 +503,7 @@ function display() {
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display: flex;
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width: 100%;
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background-color: var(--bg);
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z-index: 3;
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z-index: 5;
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> * {
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padding: 4px 8px;
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@ -425,6 +528,18 @@ function display() {
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margin: 4px 8px;
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overflow-x: hidden;
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&.pattern-slider {
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position: absolute;
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width: calc( 100% - 8px * 2 );
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top: calc( 100% - 21px * 3 );
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opacity: 0%;
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transition: opacity 0.2s;
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&:hover {
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opacity: 100%;
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}
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}
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&:focus {
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outline: none;
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