Dice rollers!

frontend/app/components/viewer/widgets/display/RollWidgetDisplay.vue

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+<script setup>
+const props = defineProps(['content']);
+
+import { parse } from '~/services/widgets/DiceParser';
+import { AddSound } from '~/services/Sound';
+
+const container = ref(null);
+const resultText = ref("");
+const steps = ref(null);
+const stepsHtml = ref("");
+
+const rollDice = () => {
+    const result = parse(props.content);
+    resultText.value = result.total;
+    stepsHtml.value = result.steps.map(renderStep).join('');
+};
+
+const renderStep = (s) => {
+    if (s.type === 'op') {
+        const label = s.op === '*' ? '×' : s.op === '/' ? '÷' : s.op;
+        return `<span class="step-op">${label}</span>`;
+    }
+
+    if (s.type === 'const') {
+        return `<span class="step-const">${s.value}</span>`;
+    }
+
+    if (s.type === 'dice') {
+        const { entry } = s;
+        const { rawRolls, kept, sides, mod, value } = entry;
+
+        const keptCopy = [...kept];
+        const tagged = rawRolls.map(v => {
+            const i = keptCopy.indexOf(v);
+            if (i !== -1) { keptCopy.splice(i, 1); return { v, kept: true }; }
+            return { v, kept: false };
+        });
+
+        let html = '';
+
+        tagged.forEach(({ v, kept }) => {
+            const isMax = v === sides, isMin = v === 1;
+            const cls = !kept    ? 'roll-val dropped'
+                      : isMax    ? 'roll-val max-val'
+                      : isMin    ? 'roll-val min-val'
+                      :            'roll-val kept';
+            html += `<span class="${cls}">${v}</span>`;
+        });
+
+        if (kept.length < rawRolls.length || kept.length > 1) {
+            html += `<span class="step-sum">=${value}</span>`;
+        }
+
+        return html;
+    }
+
+    return '';
+};
+
+onMounted(() => {
+    AddSound(container.value);
+});
+</script>
+
+<template>
+    <div class="roll-widget" ref="container">
+        <div class="roll-widget-body">
+            <span class="result-text">{{ resultText || '-' }}</span>
+            <button class="btn-primary roll-btn sound-click" @click="rollDice">
+                <span class="dice-content">
+                    <!-- Dice icon (SVG) -->
+                    <img class="icon" src="/icons/iconoir/regular/dice-three.svg" draggable="false">
+                </span>
+            </button>
+        </div>
+        <div class="roll-widget-results">
+            <span class="formula">{{ "[" + props.content + "]" }}</span>
+            <div class="steps" v-html="stepsHtml"></div>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.steps {
+    margin-left: 8px;
+    height: 22px;
+    > {
+        font-size: 12px;
+    }
+}
+.steps :deep(.roll-val){
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    min-width: 18px;
+    padding: 1px 2px;
+    border-radius: 3px;
+    margin: 2px;
+    font-size: 12px;
+    border: 1px solid; 
+}
+.steps :deep(.roll-val.kept){
+    background: rgba(93,184,122,0.12);
+    border-color: #4a8c5c;
+    color: #a8d4b4;
+}
+
+.steps :deep(.roll-val.dropped) {
+    background: transparent;
+    border-color: var(--color-border);
+    color: var(--color-text-tertiary);
+    text-decoration: line-through;
+}
+
+.steps :deep(.roll-val.max-val) {
+    background: rgba(93,184,122,0.2);
+    border-color: #5db87a;
+    color: #5db87a;
+}
+
+.steps :deep(.roll-val.min-val) {
+    background: rgba(201,95,95,0.12);
+    border-color: #c95f5f;
+    color: #c95f5f;
+}
+
+.steps :deep(.step-op)         { color: var(--color-text-secondary); padding: 0 4px; font-size: 13px; }
+.steps :deep(.step-const)      { font-size: 13px; color: var(--color-text-primary); padding: 0 2px; }
+.steps :deep(.step-dice-label) { font-size: 11px; color: var(--color-text-tertiary); margin-right: 2px; }
+.steps :deep(.step-sum)        { font-size: 11px; color: var(--color-text-tertiary); margin-left: 2px; }
+.steps :deep(.dice-mod)        { font-style: normal; margin-left: 2px; }
+
+.result-text {
+    font-size: 24px;
+    vertical-align: center;
+}
+
+.roll-widget-body {
+    width: 100%;
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.result-text {
+    margin-left: 12px;
+}
+
+.formula {
+    margin-left: 12px;
+    font-family: ui-monospace, monospace;
+    font-size: 12px;
+    color: var(--color-gray);
+}
+
+.roll-widget-results {
+    display: flex;
+    align-items: center;
+    padding-bottom: 10px;
+}
+
+.roll-widget {
+    width: 100%;
+    background-color: var(--color-background-light);
+    display: flex;
+    flex-direction: column;
+    margin-bottom: 8px;
+    border-radius: 6px;
+}
+
+.roll-btn {
+    padding: 8px;
+    margin-right: 4px;
+}
+
+</style>