From 02443bbb0ce4aa223d342992a1d9c6a4348bd760 Mon Sep 17 00:00:00 2001
From: thepaperpilot <thepaperpilot@gmail.com>
Date: Fri, 20 Aug 2021 00:47:56 -0500
Subject: [PATCH] Implemented dropping nodes into each other Also improved node
 z-ordering and other related things

---
 src/components/board/Board.vue     | 133 ++++++++++++++++++++++++---
 src/components/board/BoardNode.vue | 140 ++++++++++++-----------------
 src/data/layers/main.ts            |  28 ++++++
 src/game/player.ts                 |   6 ++
 src/typings/features/board.d.ts    |   8 +-
 src/typings/player.d.ts            |   2 +-
 src/util/features.ts               |  20 +++++
 src/util/layers.ts                 |  12 ++-
 8 files changed, 249 insertions(+), 100 deletions(-)

diff --git a/src/components/board/Board.vue b/src/components/board/Board.vue
index f490b60..21e966d 100644
--- a/src/components/board/Board.vue
+++ b/src/components/board/Board.vue
@@ -2,18 +2,35 @@
     <panZoom
         :style="style"
         selector="#g1"
-        @init="onInit"
         :options="{ initialZoom: 1, minZoom: 0.1, maxZoom: 10 }"
         ref="stage"
+        @init="onInit"
+        @mousemove="drag"
+        @mouseup="() => endDragging(dragging)"
+        @mouseleave="() => endDragging(dragging)"
     >
         <svg class="stage" width="100%" height="100%">
             <g id="g1">
                 <BoardNode
-                    v-for="(node, nodeIndex) in nodes"
-                    :key="nodeIndex"
-                    :index="nodeIndex"
+                    v-for="node in nodes"
+                    :key="node.id"
                     :node="node"
                     :nodeType="board.types[node.type]"
+                    :dragging="draggingNode"
+                    :dragged="dragged"
+                    :receivingNode="receivingNode?.id === node.id"
+                    @startDragging="startDragging"
+                    @endDragging="endDragging"
+                />
+                <BoardNode
+                    v-if="draggingNode"
+                    :node="draggingNode"
+                    :nodeType="board.types[draggingNode.type]"
+                    :dragging="draggingNode"
+                    :dragged="dragged"
+                    :receivingNode="receivingNode?.id === draggingNode.id"
+                    @startDragging="startDragging"
+                    @endDragging="endDragging"
                 />
             </g>
         </svg>
@@ -23,24 +40,30 @@
 <script lang="ts">
 import { layers } from "@/game/layers";
 import player from "@/game/player";
-import { Board } from "@/typings/features/board";
+import { Board, BoardNode } from "@/typings/features/board";
 import { InjectLayerMixin } from "@/util/vue";
 import { defineComponent } from "vue";
 
 export default defineComponent({
     name: "Board",
     mixins: [InjectLayerMixin],
+    data() {
+        return {
+            lastMousePosition: { x: 0, y: 0 },
+            dragged: { x: 0, y: 0 },
+            dragging: null
+        } as {
+            lastMousePosition: { x: number; y: number };
+            dragged: { x: number; y: number };
+            dragging: string | null;
+        };
+    },
     props: {
         id: {
             type: [Number, String],
             required: true
         }
     },
-    provide() {
-        return {
-            getZoomLevel: () => (this.$refs.stage as any).$panZoomInstance.getTransform().scale
-        };
-    },
     computed: {
         board(): Board {
             return layers[this.layer].boards!.data[this.id];
@@ -55,13 +78,101 @@ export default defineComponent({
                 this.board.style
             ];
         },
+        draggingNode() {
+            return this.dragging
+                ? player.layers[this.layer].boards[this.id].find(node => node.id === this.dragging)
+                : null;
+        },
         nodes() {
-            return player.layers[this.layer].boards[this.id];
+            return player.layers[this.layer].boards[this.id].filter(
+                node => node !== this.draggingNode
+            );
+        },
+        receivingNode(): BoardNode | null {
+            if (this.draggingNode == null) {
+                return null;
+            }
+
+            const position = {
+                x: this.draggingNode.position.x + this.dragged.x,
+                y: this.draggingNode.position.y + this.dragged.y
+            };
+            let smallestDistance = Number.MAX_VALUE;
+            return this.nodes.reduce((smallest: BoardNode | null, curr: BoardNode) => {
+                const nodeType = this.board.types[curr.type];
+                const canAccept =
+                    typeof nodeType.canAccept === "boolean"
+                        ? nodeType.canAccept
+                        : nodeType.canAccept(curr, this.draggingNode!);
+                if (!canAccept) {
+                    return smallest;
+                }
+
+                const distanceSquared =
+                    Math.pow(position.x - curr.position.x, 2) +
+                    Math.pow(position.y - curr.position.y, 2);
+                const size =
+                    typeof nodeType.size === "number" ? nodeType.size : nodeType.size(curr);
+                if (distanceSquared > smallestDistance || distanceSquared > size * size) {
+                    return smallest;
+                }
+
+                smallestDistance = distanceSquared;
+                return curr;
+            }, null);
         }
     },
     methods: {
+        getZoomLevel(): number {
+            return (this.$refs.stage as any).$panZoomInstance.getTransform().scale;
+        },
         onInit: function(panzoomInstance) {
             panzoomInstance.setTransformOrigin(null);
+        },
+        startDragging(e: MouseEvent, nodeID: string) {
+            if (this.dragging == null) {
+                e.preventDefault();
+                e.stopPropagation();
+
+                this.lastMousePosition = {
+                    x: e.clientX,
+                    y: e.clientY
+                };
+                this.dragged = { x: 0, y: 0 };
+
+                this.dragging = nodeID;
+            }
+        },
+        drag(e: MouseEvent) {
+            if (this.dragging) {
+                e.preventDefault();
+                e.stopPropagation();
+
+                const zoom = (this.getZoomLevel as () => number)();
+                this.dragged.x += (e.clientX - this.lastMousePosition.x) / zoom;
+                this.dragged.y += (e.clientY - this.lastMousePosition.y) / zoom;
+                this.lastMousePosition = {
+                    x: e.clientX,
+                    y: e.clientY
+                };
+            }
+        },
+        endDragging(nodeID: string | null) {
+            if (this.dragging != null && this.dragging === nodeID) {
+                const nodes = player.layers[this.layer].boards[this.id];
+                const draggingNode = this.draggingNode!;
+                const receivingNode = this.receivingNode;
+                draggingNode.position.x += Math.round(this.dragged.x / 25) * 25;
+                draggingNode.position.y += Math.round(this.dragged.y / 25) * 25;
+                nodes.splice(nodes.indexOf(draggingNode), 1);
+                nodes.push(draggingNode);
+
+                if (receivingNode) {
+                    this.board.types[receivingNode.type].onDrop(receivingNode, draggingNode);
+                }
+
+                this.dragging = null;
+            }
         }
     }
 });
diff --git a/src/components/board/BoardNode.vue b/src/components/board/BoardNode.vue
index bec3081..ac3d2a6 100644
--- a/src/components/board/BoardNode.vue
+++ b/src/components/board/BoardNode.vue
@@ -1,11 +1,19 @@
 <template>
     <g
         class="boardnode"
-        :style="{ opacity: dragging ? 0.5 : 1 }"
+        :style="{ opacity: dragging?.id === node.id ? 0.5 : 1 }"
         :transform="`translate(${position.x},${position.y})`"
-        @mousedown="mouseDown"
+        @mouseenter="mouseEnter"
+        @mouseleave="mouseLeave"
+        @mousedown="e => $emit('startDragging', e, node.id)"
     >
-        <circle :r="size + 8" :fill="backgroundColor" stroke="#0F03" :stroke-width="2" />
+        <circle
+            v-if="canAccept"
+            :r="size + 8"
+            :fill="backgroundColor"
+            :stroke="receivingNode ? '#0F0' : '#0F03'"
+            :stroke-width="2"
+        />
 
         <circle :r="size" :fill="fillColor" :stroke="outlineColor" :stroke-width="4" />
 
@@ -34,45 +42,22 @@ import themes from "@/data/themes";
 import { ProgressDisplay } from "@/game/enums";
 import player from "@/game/player";
 import { BoardNode, NodeType } from "@/typings/features/board";
+import { getNodeTypeProperty } from "@/util/features";
 import { InjectLayerMixin } from "@/util/vue";
 import { defineComponent, PropType } from "vue";
 
-// TODO will blindly use any T given (can't restrict it to S[R] because I can't figure out how
-//  to make it support narrowing the return type)
-function getTypeProperty<T, S extends NodeType, R extends keyof S>(
-    nodeType: S,
-    node: BoardNode,
-    property: R
-): S[R] extends Pick<
-    S,
-    {
-        [K in keyof S]-?: undefined extends S[K] ? never : K;
-    }[keyof S]
->
-    ? T
-    : T | undefined {
-    return typeof nodeType[property] === "function"
-        ? (nodeType[property] as (node: BoardNode) => T)(node)
-        : (nodeType[property] as T);
-}
-
 export default defineComponent({
     name: "BoardNode",
     mixins: [InjectLayerMixin],
-    inject: ["getZoomLevel"],
     data() {
         return {
             ProgressDisplay,
             lastMousePosition: { x: 0, y: 0 },
-            dragged: { x: 0, y: 0 },
-            dragging: false
+            hovering: false
         };
     },
+    emits: ["startDragging", "endDragging"],
     props: {
-        index: {
-            type: Number,
-            required: true
-        },
         node: {
             type: Object as PropType<BoardNode>,
             required: true
@@ -80,14 +65,25 @@ export default defineComponent({
         nodeType: {
             type: Object as PropType<NodeType>,
             required: true
+        },
+        dragging: {
+            type: Object as PropType<BoardNode>
+        },
+        dragged: {
+            type: Object as PropType<{ x: number; y: number }>,
+            required: true
+        },
+        receivingNode: {
+            type: Boolean,
+            default: false
         }
     },
     computed: {
         draggable(): boolean {
-            return getTypeProperty(this.nodeType, this.node, "draggable");
+            return getNodeTypeProperty(this.nodeType, this.node, "draggable");
         },
         position(): { x: number; y: number } {
-            return this.draggable && this.dragging
+            return this.draggable && this.dragging?.id === this.node.id
                 ? {
                       x: this.node.position.x + Math.round(this.dragged.x / 25) * 25,
                       y: this.node.position.y + Math.round(this.dragged.y / 25) * 25
@@ -95,89 +91,71 @@ export default defineComponent({
                 : this.node.position;
         },
         size(): number {
-            return getTypeProperty(this.nodeType, this.node, "size");
+            let size: number = getNodeTypeProperty(this.nodeType, this.node, "size");
+            if (this.receivingNode) {
+                size *= 1.25;
+            } else if (this.hovering) {
+                size *= 1.15;
+            }
+            return size;
         },
         title(): string {
-            return getTypeProperty(this.nodeType, this.node, "title");
+            return getNodeTypeProperty(this.nodeType, this.node, "title");
         },
         progress(): number {
-            return getTypeProperty(this.nodeType, this.node, "progress") || 0;
+            return getNodeTypeProperty(this.nodeType, this.node, "progress") || 0;
         },
         backgroundColor(): string {
             return themes[player.theme].variables["--background"];
         },
         outlineColor(): string {
             return (
-                getTypeProperty(this.nodeType, this.node, "outlineColor") ||
+                getNodeTypeProperty(this.nodeType, this.node, "outlineColor") ||
                 themes[player.theme].variables["--separator"]
             );
         },
         fillColor(): string {
             return (
-                getTypeProperty(this.nodeType, this.node, "fillColor") ||
+                getNodeTypeProperty(this.nodeType, this.node, "fillColor") ||
                 themes[player.theme].variables["--secondary-background"]
             );
         },
         progressColor(): string {
-            return getTypeProperty(this.nodeType, this.node, "progressColor") || "none";
+            return getNodeTypeProperty(this.nodeType, this.node, "progressColor") || "none";
         },
         titleColor(): string {
             return (
-                getTypeProperty(this.nodeType, this.node, "titleColor") ||
+                getNodeTypeProperty(this.nodeType, this.node, "titleColor") ||
                 themes[player.theme].variables["--color"]
             );
         },
         progressDisplay(): ProgressDisplay {
             return (
-                getTypeProperty(this.nodeType, this.node, "progressDisplay") ||
+                getNodeTypeProperty(this.nodeType, this.node, "progressDisplay") ||
                 ProgressDisplay.Outline
             );
+        },
+        canAccept(): boolean {
+            if (this.dragging == null) {
+                return false;
+            }
+            return typeof this.nodeType.canAccept === "boolean"
+                ? this.nodeType.canAccept
+                : this.nodeType.canAccept(this.node, this.dragging);
         }
     },
     methods: {
-        mouseDown(e: MouseEvent) {
-            if (this.draggable) {
-                e.preventDefault();
-                e.stopPropagation();
-
-                this.lastMousePosition = {
-                    x: e.clientX,
-                    y: e.clientY
-                };
-                this.dragged = { x: 0, y: 0 };
-
-                this.dragging = true;
-                document.onmouseup = this.mouseUp;
-                document.onmousemove = this.mouseMove;
-            }
+        mouseEnter() {
+            this.hovering = true;
         },
-        mouseMove(e: MouseEvent) {
-            if (this.draggable && this.dragging) {
-                e.preventDefault();
-                e.stopPropagation();
-
-                const zoom = (this.getZoomLevel as () => number)();
-                console.log(zoom);
-                this.dragged.x += (e.clientX - this.lastMousePosition.x) / zoom;
-                this.dragged.y += (e.clientY - this.lastMousePosition.y) / zoom;
-                this.lastMousePosition = {
-                    x: e.clientX,
-                    y: e.clientY
-                };
-            }
-        },
-        mouseUp(e: MouseEvent) {
-            if (this.draggable && this.dragging) {
-                e.preventDefault();
-                e.stopPropagation();
-
-                let node = player.layers[this.nodeType.layer].boards[this.nodeType.id][this.index];
-                node.position.x += Math.round(this.dragged.x / 25) * 25;
-                node.position.y += Math.round(this.dragged.y / 25) * 25;
-
-                this.dragging = false;
-                document.onmouseup = null;
-                document.onmousemove = null;
+        mouseLeave() {
+            this.hovering = false;
+        }
+    },
+    watch: {
+        onDraggableChanged() {
+            if (this.dragging && !this.draggable) {
+                this.$emit("endDragging", this.node.id);
             }
         }
     }
diff --git a/src/data/layers/main.ts b/src/data/layers/main.ts
index f6a2046..f16b1d4 100644
--- a/src/data/layers/main.ts
+++ b/src/data/layers/main.ts
@@ -9,6 +9,11 @@ type ResourceNodeData = {
     maxAmount: DecimalSource;
 };
 
+type ItemNodeData = {
+    itemType: string;
+    amount: DecimalSource;
+};
+
 export default {
     id: "main",
     display: `
@@ -39,6 +44,14 @@ export default {
                                 amount: new Decimal(24 * 60 * 60),
                                 maxAmount: new Decimal(24 * 60 * 60)
                             }
+                        },
+                        {
+                            position: { x: 0, y: 150 },
+                            type: "item",
+                            data: {
+                                itemType: "speed",
+                                amount: new Decimal(5 * 60 * 60)
+                            }
                         }
                     ];
                 },
@@ -63,7 +76,22 @@ export default {
                                 default:
                                     return "none";
                             }
+                        },
+                        canAccept(node, otherNode) {
+                            return otherNode.type === "item";
+                        },
+                        onDrop(node, otherNode) {
+                            const index = player.layers[this.layer].boards[this.id].indexOf(
+                                otherNode
+                            );
+                            player.layers[this.layer].boards[this.id].splice(index, 1);
                         }
+                    },
+                    item: {
+                        title(node) {
+                            return (node.data as ItemNodeData).itemType;
+                        },
+                        draggable: true
                     }
                 }
             }
diff --git a/src/game/player.ts b/src/game/player.ts
index c1f0e2a..aabeb10 100644
--- a/src/game/player.ts
+++ b/src/game/player.ts
@@ -104,6 +104,12 @@ const playerHandler: ProxyHandler<Record<string, any>> = {
             }
         }
         return true;
+    },
+    ownKeys(target: Record<string, any>) {
+        return Reflect.ownKeys(target.__state);
+    },
+    has(target: Record<string, any>, key: string) {
+        return Reflect.has(target.__state, key);
     }
 };
 export default window.player = new Proxy(
diff --git a/src/typings/features/board.d.ts b/src/typings/features/board.d.ts
index 520411e..6346516 100644
--- a/src/typings/features/board.d.ts
+++ b/src/typings/features/board.d.ts
@@ -2,6 +2,7 @@ import { State } from "../state";
 import { Feature, RawFeature } from "./feature";
 
 export interface BoardNode {
+    id: string;
     position: {
         x: number;
         y: number;
@@ -16,15 +17,15 @@ export interface CardOption {
 }
 
 export interface Board extends Feature {
-    startNodes: () => BoardNode[];
+    startNodes: () => Omit<BoardNode, "id">[];
     style?: Partial<CSSStyleDeclaration>;
     height: string;
     width: string;
     types: Record<string, NodeType>;
 }
 
-export type RawBoard = Omit<RawFeature<Board>, "types"> & {
-    startNodes: () => BoardNode[];
+export type RawBoard = Omit<RawFeature<Board>, "types" | "startNodes"> & {
+    startNodes: () => Omit<BoardNode, "id">[];
     types: Record<string, RawFeature<NodeType>>;
 };
 
@@ -41,5 +42,6 @@ export interface NodeType extends Feature {
     outlineColor?: string | ((node: BoardNode) => string);
     titleColor?: string | ((node: BoardNode) => string);
     onClick: (node: BoardNode) => void;
+    onDrop: (node: BoardNode, otherNode: BoardNode) => void;
     nodes: BoardNode[];
 }
diff --git a/src/typings/player.d.ts b/src/typings/player.d.ts
index b75d2f3..dc54d03 100644
--- a/src/typings/player.d.ts
+++ b/src/typings/player.d.ts
@@ -62,7 +62,7 @@ export interface LayerSaveData {
     clickables: Record<string, State>;
     challenges: Record<string, Decimal>;
     grids: Record<string, Record<string, State>>;
-    boards: Record<string, Array<BoardNode>>;
+    boards: Record<string, BoardNode[]>;
     confirmRespecBuyables: boolean;
     [index: string]: unknown;
 }
diff --git a/src/util/features.ts b/src/util/features.ts
index 8e31c71..40a6809 100644
--- a/src/util/features.ts
+++ b/src/util/features.ts
@@ -1,4 +1,5 @@
 import { layers } from "@/game/layers";
+import { NodeType, BoardNode } from "@/typings/features/board";
 import { GridCell } from "@/typings/features/grid";
 import { State } from "@/typings/state";
 import Decimal, { DecimalSource } from "@/util/bignum";
@@ -87,3 +88,22 @@ export function achievementEffect(layer: string, id: string | number): State | u
 export function gridEffect(layer: string, id: string, cell: string | number): State | undefined {
     return (layers[layer].grids?.data[id][cell] as GridCell).effect;
 }
+
+// TODO will blindly use any T given (can't restrict it to S[R] because I can't figure out how
+//  to make it support narrowing the return type)
+export function getNodeTypeProperty<T, S extends NodeType, R extends keyof S>(
+    nodeType: S,
+    node: BoardNode,
+    property: R
+): S[R] extends Pick<
+    S,
+    {
+        [K in keyof S]-?: undefined extends S[K] ? never : K;
+    }[keyof S]
+>
+    ? T
+    : T | undefined {
+    return typeof nodeType[property] === "function"
+        ? (nodeType[property] as (node: BoardNode) => T)(node)
+        : (nodeType[property] as T);
+}
diff --git a/src/util/layers.ts b/src/util/layers.ts
index 519ca43..d9be21b 100644
--- a/src/util/layers.ts
+++ b/src/util/layers.ts
@@ -73,13 +73,17 @@ export function getStartingChallenges(
 
 export function getStartingBoards(
     boards?: Record<string, Board> | Record<string, RawBoard> | undefined
-): Record<string, Array<BoardNode>> {
+): Record<string, BoardNode[]> {
     return boards
-        ? Object.keys(boards).reduce((acc: Record<string, Array<BoardNode>>, curr: string): Record<
+        ? Object.keys(boards).reduce((acc: Record<string, BoardNode[]>, curr: string): Record<
               string,
-              Array<BoardNode>
+              BoardNode[]
           > => {
-              acc[curr] = boards[curr].startNodes?.() || [];
+              const nodes = boards[curr].startNodes?.() || [];
+              acc[curr] = nodes.map((node, index) => ({
+                  id: index.toString(),
+                  ...node
+              })) as BoardNode[];
               return acc;
           }, {})
         : {};