itemImageFramesGenerator.ts

import {DatManager} from "./modules/datFile/datManager";
import {OtbManager} from "./modules/otbFile/otbManager";
import {SpriteManager} from "./modules/sprFile/spriteManager";
import {ImageGenerator} from "./modules/imageGenerator/imageGenerator";
import {DatThingCategory, GameFeature} from "./modules/constants/const";
import {WebsiteImageGeneratorBase} from "./websiteImageGeneratorBase";

class ItemImageGenerator extends WebsiteImageGeneratorBase {
    private onlyPickableCheckbox: HTMLInputElement;
    private forceEnableExtendedSpritesCheckbox: HTMLInputElement;
    private enableTransparencyCheckbox: HTMLInputElement;
    private enableEnhancedAnimationsCheckbox: HTMLInputElement;
    private enableIdleAnimationsCheckbox: HTMLInputElement;
    private useDatItemIdsAsImageIdsCheckbox: HTMLInputElement;

    private onlyPickable = true;
    private useDatItemIdsAsImageIds = false;

    init() {
        super.init();
        this.onlyPickableCheckbox = <HTMLInputElement>document.getElementById('onlyPickable');
        this.forceEnableExtendedSpritesCheckbox = <HTMLInputElement>document.getElementById('forceEnableExtendedSprites');
        this.enableTransparencyCheckbox = <HTMLInputElement>document.getElementById('enableTransparency');
        this.enableEnhancedAnimationsCheckbox = <HTMLInputElement>document.getElementById('enableEnhancedAnimations');
        this.enableIdleAnimationsCheckbox = <HTMLInputElement>document.getElementById('enableIdleAnimations');
        this.useDatItemIdsAsImageIdsCheckbox = <HTMLInputElement>document.getElementById('useDatItemIdsAsImageIds');
    }

    afterSetClientVersion() {
        if (this.forceEnableExtendedSpritesCheckbox.checked) {
            this.client.enableFeature(GameFeature.GameSpritesU32);
        }
        if (this.enableTransparencyCheckbox.checked) {
            this.client.enableFeature(GameFeature.GameSpritesAlphaChannel);
        }
        if (this.enableEnhancedAnimationsCheckbox.checked) {
            this.client.enableFeature(GameFeature.GameEnhancedAnimations);
        }
        if (this.enableIdleAnimationsCheckbox.checked) {
            this.client.enableFeature(GameFeature.GameIdleAnimations);
        }
        this.otbRequired = !this.useDatItemIdsAsImageIdsCheckbox.checked;
    }

    startImageGenerator(imageGenerator: ImageGenerator, otbManager: OtbManager, datManager: DatManager, spriteManager: SpriteManager, zip) {
        this.onlyPickable = this.onlyPickableCheckbox.checked;
        this.useDatItemIdsAsImageIds = this.useDatItemIdsAsImageIdsCheckbox.checked;
        this.generateItemImage(imageGenerator, zip, 0);
    }

    generateItemImage(imageGenerator: ImageGenerator, zip, serverId: number) {
        const self = this;
        if (this.useDatItemIdsAsImageIds) {
            this.progressValue(serverId, this.datManager.getCategory(DatThingCategory.ThingCategoryItem).length);
        } else {
            this.progressValue(serverId, this.otbManager.getLastId());
        }
        if ((this.useDatItemIdsAsImageIds && serverId > this.datManager.getCategory(DatThingCategory.ThingCategoryItem).length) ||
            (!this.useDatItemIdsAsImageIds && serverId > this.otbManager.getLastId())) {
            this.progressText('Packing images to ZIP file, please wait (it may take a while)');
            zip.generateAsync({type: "blob"}).then(function (blob: Blob) {
                console.log('zip size', blob.size);
                self.progressText('ZIP generated, it should start download now.');
                self.downloadBlob('items.zip', blob);
            });
            return;
        }

        let clientItemId = serverId;
        if (!this.useDatItemIdsAsImageIds) {
            if (!this.otbManager.isValidOtbId(serverId)) {
                setTimeout(function () {
                    self.generateItemImage(imageGenerator, zip, serverId + 1);
                }, 1);
                return;
            }

            clientItemId = this.otbManager.getItem(serverId).getClientId();
            if (!clientItemId) {
                console.log('otb ID not mapped to any dat ID', serverId);
                setTimeout(function () {
                    self.generateItemImage(imageGenerator, zip, serverId + 1);
                }, 1);
                return;
            }
        }

        let itemThingType = this.datManager.getItem(clientItemId);
        if (!itemThingType) {
            console.log('dat ID not found in dat file', serverId, clientItemId);
            setTimeout(function () {
                self.generateItemImage(imageGenerator, zip, serverId + 1);
            }, 1);
            return;
        }
        if (this.onlyPickable && !itemThingType.isPickupable()) {
            console.log('skip not pickable', serverId);
            setTimeout(function () {
                self.generateItemImage(imageGenerator, zip, serverId + 1);
            }, 1);
            return;
        }

        let itemSprites = null;
        if (this.useDatItemIdsAsImageIds) {
            itemSprites = imageGenerator.generateItemImagesByClientId(serverId);
        } else {
            itemSprites = imageGenerator.generateItemImagesByServerId(serverId);
        }
        if (!itemSprites || itemSprites.length == 0) {
            setTimeout(function () {
                self.generateItemImage(imageGenerator, zip, serverId + 1);
            }, 1);
            return;
        }

        const firstItemSprite = itemSprites[0];
        const canvas = <HTMLCanvasElement>document.createElement('canvas');
        canvas.width = firstItemSprite.getWidth() * itemSprites.length;
        canvas.height = firstItemSprite.getHeight();
        document.getElementsByTagName('body')[0].appendChild(canvas);
        const ctx = canvas.getContext("2d");

        for (let animationFrame = 0; animationFrame < itemSprites.length; animationFrame++) {
            const palette = ctx.getImageData(firstItemSprite.getWidth() * animationFrame, 0, firstItemSprite.getWidth(), firstItemSprite.getHeight());
            const itemSprite = itemSprites[animationFrame];
            palette.data.set(new Uint8ClampedArray(itemSprite.getPixels().m_buffer.buffer));
            ctx.putImageData(palette, firstItemSprite.getWidth() * animationFrame, 0);
        }

        const callback = function (blob) {
            canvas.remove();
            zip.file('items/' + serverId + '_' + itemSprites.length + '.png', blob);
            setTimeout(function () {
                self.generateItemImage(imageGenerator, zip, serverId + 1);
            }, 1);

        };
        canvas.toBlob(callback);
    }
}

const itemImageGenerator = new ItemImageGenerator();
itemImageGenerator.init();