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131 lines
3.9 KiB
131 lines
3.9 KiB
export class FoWHandler {
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constructor() {
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this.setHooks();
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}
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setHooks(){
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Hooks.on("drawCanvasVisibility", ()=>{
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this.init();
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canvas.effects.visibility.explored.addChild(this.advancedFogContainer);
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canvas.effects.visibility.explored.addChild(this.revealTokenContainer);
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Hooks.callAll("levelsAdvancedFogInit", this.advancedFogContainer);
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})
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Hooks.on("deleteTile", (tile)=>{
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this.removeTileFogMask(tile.id);
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})
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Hooks.on("createTile", (tile)=>{
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this.createTileFogMask(tile.object);
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})
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Hooks.on("updateTile", (tile)=>{
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this.createTileFogMask(tile.object);
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})
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Hooks.on("deleteToken", (token)=>{
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this.removeBubble(token.id);
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})
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Hooks.on("createToken", (token)=>{
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this.createTokenBubble(token.object);
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})
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Hooks.on("updateToken", (token, updates)=>{
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this.createTokenBubble(token.object);
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})
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}
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init() {
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this.advancedFogContainer = new PIXI.Container();
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this.advancedFogContainer.name = "advancedFogContainer";
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this.revealTokenContainer = new PIXI.Container();
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this.revealTokenContainer.name = "revealTokenContainer";
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this.tiles = {};
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this.bubbles = {};
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}
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createTokenBubble(token) {
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if(!token) return;
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if(!CONFIG.Levels.settings.get("revealTokenInFog")) return;
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if(this.bubbles[token.id]){
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this.revealTokenContainer.removeChild(this.bubbles[token.id]);
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this.bubbles[token.id].destroy();
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delete this.bubbles[token.id];
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}
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const bubble = new PIXI.Graphics();
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bubble.beginFill(0xffffff);
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bubble.drawCircle(0, 0, (Math.max(token.w, token.h)/2)*Math.SQRT2);
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bubble.endFill();
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bubble.token = token;
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Object.defineProperty(bubble, "visible", {
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get: () => {
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return token.visible;
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}
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});
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this.updateBubblePosition(bubble);
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this.revealTokenContainer.addChild(bubble);
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this.bubbles[token.id] = bubble;
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return bubble;
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}
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lazyCreateBubble(token) {
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if(!this.bubbles[token.id]){
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this.createTokenBubble(token);
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}
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if(this.bubbles[token.id]){
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this.updateBubblePosition(this.bubbles[token.id]);
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}
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}
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updateBubblePosition(bubble, position) {
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position ??= bubble.token.center;
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bubble.position.set(position.x, position.y);
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}
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removeBubble(tokenId) {
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if(!this.bubbles[tokenId]) return;
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this.revealTokenContainer.removeChild(this.bubbles[tokenId]);
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this.bubbles[tokenId].destroy();
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delete this.bubbles[tokenId];
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}
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createTileFogMask(tile) {
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if(!tile?.document?.overhead) return false;
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if(this.tiles[tile.id]){
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this.advancedFogContainer.removeChild(this.tiles[tile.id]);
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try{
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this.tiles[tile.id].destroy();
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}
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catch(e){}
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delete this.tiles[tile.id];
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}
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if(!tile?.mesh?.texture) return;
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const sprite = CONFIG.Levels.helpers.cloneTileMesh(tile);
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Object.defineProperty(sprite, "visible", {
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get: () => {
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if(!CONFIG.Levels.currentToken) return false;
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if(!tile.document.overhead) return false;
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if(tile.document.flags?.levels?.noFogHide) return false;
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if(!CONFIG.Levels.settings.get("fogHiding")) return false;
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const bottom = tile.document.flags?.levels?.rangeBottom ?? -Infinity;
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const top = tile.document.flags?.levels?.rangeTop ?? Infinity;
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if(bottom == -Infinity && top == Infinity) return false;
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const losH = CONFIG.Levels.currentToken.losHeight;
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if(losH < bottom || losH > top) return false;
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return tile.visible;
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}
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})
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this.tiles[tile.id] = sprite;
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this.advancedFogContainer.addChild(sprite);
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return sprite;
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}
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lazyCreateTileFogMask(tile) {
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if(!this.tiles[tile.id]){
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this.createTileFogMask(tile);
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}
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}
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removeTileFogMask(tileId) {
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if(!this.tiles[tileId]) return;
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this.advancedFogContainer.removeChild(this.tiles[tileId]);
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this.tiles[tileId].destroy();
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delete this.tiles[tileId];
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}
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}
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