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authorMatthias Schiffer <mschiffer@universe-factory.net>2019-12-24 13:53:16 +0100
committerMatthias Schiffer <mschiffer@universe-factory.net>2019-12-24 13:53:16 +0100
commit3c51a1994f41b625823c4f15e92396b5498ce23c (patch)
tree7a96310ec32df82ac87039ea555300bcab510a5e /src/renderer/runtime/view/entity.ts
parent33926af829848050c54c698ed22da9fe2b912aea (diff)
downloadrpgedit-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.ts72
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();
+ }
+
+}