diff options
author | Matthias Schiffer <mschiffer@universe-factory.net> | 2019-12-24 13:53:16 +0100 |
---|---|---|
committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2019-12-24 13:53:16 +0100 |
commit | 3c51a1994f41b625823c4f15e92396b5498ce23c (patch) | |
tree | 7a96310ec32df82ac87039ea555300bcab510a5e /src/renderer/runtime/view/entity.ts | |
parent | 33926af829848050c54c698ed22da9fe2b912aea (diff) | |
download | rpgedit-3c51a1994f41b625823c4f15e92396b5498ce23c.tar rpgedit-3c51a1994f41b625823c4f15e92396b5498ce23c.zip |
Move renderer into "runtime" subdirectory
Diffstat (limited to 'src/renderer/runtime/view/entity.ts')
-rw-r--r-- | src/renderer/runtime/view/entity.ts | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/renderer/runtime/view/entity.ts b/src/renderer/runtime/view/entity.ts new file mode 100644 index 0000000..ec91503 --- /dev/null +++ b/src/renderer/runtime/view/entity.ts @@ -0,0 +1,72 @@ +import { EntityData } from '../model/data/entity'; +import { Renderer } from './renderer/renderer'; +import { SpriteCoords, SpriteView, SpriteViewBuilder } from './sprite'; +import { loadImage, mkTexture } from './util/image'; + +import { getJSON } from '../util'; + +import { vec2 } from 'gl-matrix'; + +export class EntityView { + public static async load(r: Renderer, name: string): Promise<EntityView> { + const data = new EntityData(await getJSON(`resources/entity/${name}.json`)); + const tile = await loadImage(`resources/sprite/entity/${data.sprite}.png`); + + const [texture, size] = mkTexture(r, tile); + const frameSize = [size[0], size[1] / data.frames]; + + const offset = vec2.mul(vec2.create(), frameSize, data.anchor); + r.snapToGrid(offset, offset); + + const coords: SpriteCoords = [ + -offset[0], + -offset[1], + -offset[0] + frameSize[0], + -offset[1] + frameSize[1], + ]; + + const sprites: SpriteView[] = []; + + for (let frame = 0; frame < data.frames; frame++) { + const builder = new SpriteViewBuilder(r, texture); + builder.addSprite(coords, [0, frame / data.frames, 1, (frame + 1) / data.frames]); + sprites.push(builder.build()); + } + + return new EntityView( + data, + sprites, + ); + } + + private readonly totalTime: number; + + private constructor( + public readonly data: EntityData, + public readonly sprites: SpriteView[], + ) { + if (data.animation) + this.totalTime = data.animation.sequence.reduce((a, s) => a + s[0], 0); + else + this.totalTime = 0; + } + + public getSpriteByTime(time: number): SpriteView { + time %= this.totalTime; + + if (this.data.animation) { + for (const [len, sprite] of this.data.animation.sequence) { + time -= len; + if (time < 0) + return this.sprites[sprite]; + } + } + + return this.sprites[0]; + } + + public renderByTime(time: number) { + this.getSpriteByTime(time).render(); + } + +} |