first commit

module/helpers/dice-helper.js

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+export default class KHDiceRoller {
+    async rollSpellCostInChat(cost, speaker) {
+        let formula = cost + "d6"
+
+        const roll = new Roll(formula);
+
+        let res = roll.roll();
+
+        let rollData = {
+            name: "SPELL.COST",
+            res: res,
+            showFormula: true
+        };
+
+        const html = await renderTemplate("systems/kopparhavet/templates/dice/roll.html", rollData);
+
+        await roll.toMessage({
+            create: true,
+            content: html,
+            user: game.user._id,
+            speaker: {
+                actor: speaker._id,
+                token: speaker.token,
+                alias: speaker.name,
+            },
+        });
+    }
+
+    async rollDamageInChat(facesNr, speaker) {
+        let formula = facesNr + "d6x6"
+
+        const roll = new Roll(formula);
+
+        let res = roll.roll();
+
+        let rollData = {
+            name: "ITEM.DAMAGE",
+            res: res,
+            showFormula: true
+        };
+
+        const html = await renderTemplate("systems/kopparhavet/templates/dice/roll.html", rollData);
+
+        await roll.toMessage({
+            create: true,
+            content: html,
+            user: game.user._id,
+            speaker: {
+                actor: speaker._id,
+                token: speaker.token,
+                alias: speaker.name,
+            },
+        });
+    }
+
+    async rollArmorInChat(armor, hasHelmet, speaker) {
+        let formula = armor + "d6"
+
+        if(hasHelmet) {
+            formula += "x6"
+        }
+
+        const roll = new Roll(formula);
+
+        let res = roll.roll();
+
+        let rollData = {
+            name: "ITEM.DEFENCE",
+            res: res,
+            showFormula: true
+        };
+
+        const html = await renderTemplate("systems/kopparhavet/templates/dice/roll.html", rollData);
+
+        await roll.toMessage({
+            create: true,
+            content: html,
+            user: game.user._id,
+            speaker: {
+                actor: speaker._id,
+                token: speaker.token,
+                alias: speaker.name,
+            },
+        });
+    }
+
+    async rollSkillInChat(skillName, skillValue, showValue, speaker) {
+        const roll = new Roll(`1d100`);
+
+        let res = roll.roll();
+
+        let computedName = skillName
+
+        if(showValue) {
+            computedName += " (" + skillValue + ")"
+        }
+
+        let rollData = {
+            name: computedName,
+            res: res
+        };
+
+        if(skillValue > 0) {
+            if(res.total <= skillValue) {
+                rollData.success = true
+            } else {
+                rollData.failure = true
+            }
+        }
+
+        const html = await renderTemplate("systems/kopparhavet/templates/dice/roll.html", rollData);
+
+        await roll.toMessage({
+            create: true,
+            content: html,
+            user: game.user._id,
+            speaker: {
+                actor: speaker._id,
+                token: speaker.token,
+                alias: speaker.name,
+            },
+        });
+    }
+}

module/helpers/item-helpers.js

@@ -0,0 +1,35 @@
+export default class ItemHelpers {
+    static async itemUpdate(event, formData) {
+        formData = expandObject(formData);
+
+        if (this.object.isOwned && this.object.actor?.compendium?.metadata) {
+            return;
+        }
+
+        // Handle the free-form modifications list
+        const formAttrs = expandObject(formData)?.data?.modifications || {};
+
+        const modifications = Object.values(formAttrs).reduce((obj, v) => {
+            let k = v["key"].trim();
+            delete v["key"];
+            obj[k] = v;
+            return obj;
+        }, {});
+
+        // Remove modifications which are no longer used
+        if (this.object.data?.data?.modifications) {
+            for (let k of Object.keys(this.object.data.data.modifications)) {
+                if (!modifications.hasOwnProperty(k)) modifications[`-=${k}`] = null;
+            }
+        }
+
+        // recombine modifications to formData
+        if (Object.keys(modifications).length > 0) {
+            setProperty(formData, `data.modifications`, modifications);
+        }
+
+        // Update the Item
+        this.item.data.flags.loaded = false;
+        this.object.update(formData);
+    }
+}