Files
bworld/client/systems/rendering/render_utils.ts
T

143 lines
2.7 KiB
TypeScript

import { SLOT_SIZE } from "$/common/constants.ts";
import { get_sprite_region } from "$/common/utils.ts";
import { AssetManager } from "$/client/assets.ts";
import { ItemStack } from "$/client/components/inventory.ts";
import { draw_text } from "$/client/text_rendering.ts";
export function draw_nine_slice(
ctx: CanvasRenderingContext2D,
image: HTMLImageElement,
source_x: number,
source_y: number,
source_width: number,
source_height: number,
left: number,
right: number,
top: number,
bottom: number,
x: number,
y: number,
width: number,
height: number,
) {
const center_width = source_width - left - right;
const center_height = source_height - top - bottom;
const dest_center_width = width - left - right;
const dest_center_height = height - top - bottom;
// top left
ctx.drawImage(image, source_x, source_y, left, top, x, y, left, top);
// top right
ctx.drawImage(image, source_x + source_width - right, source_y, right, top, x + width - right, y, right, top);
// bottom left
ctx.drawImage(
image,
source_x,
source_y + source_height - bottom,
left,
bottom,
x,
y + height - bottom,
left,
bottom,
);
// bottom right
ctx.drawImage(
image,
source_x + source_width - right,
source_y + source_height - bottom,
right,
bottom,
x + width - right,
y + height - bottom,
right,
bottom,
);
// top
ctx.drawImage(image, source_x + left, source_y, center_width, top, x + left, y, dest_center_width, top);
// bottom
ctx.drawImage(
image,
source_x + left,
source_y + source_height - bottom,
center_width,
bottom,
x + left,
y + height - bottom,
dest_center_width,
bottom,
);
// left
ctx.drawImage(image, source_x, source_y + top, left, center_height, x, y + top, left, dest_center_height);
// right
ctx.drawImage(
image,
source_x + source_width - right,
source_y + top,
right,
center_height,
x + width - right,
y + top,
right,
dest_center_height,
);
// center !
ctx.drawImage(
image,
source_x + left,
source_y + top,
center_width,
center_height,
x + left,
y + top,
dest_center_width,
dest_center_height,
);
}
export function draw_item(ctx: CanvasRenderingContext2D, item: ItemStack, x: number, y: number) {
const sprite_region = get_sprite_region(item.type_id);
ctx.drawImage(
AssetManager.instance.get("bworld:textures"),
sprite_region.x * 16,
sprite_region.y * 16,
16,
16,
x + 3,
y + 3,
SLOT_SIZE - 6,
SLOT_SIZE - 6,
);
if (item.max_amount !== 1) {
draw_text(
ctx,
String(item.amount),
x + SLOT_SIZE + 2 - 4,
y + SLOT_SIZE + 2 - 4,
2,
"#3f3f3f",
"bottom",
"right",
);
draw_text(
ctx,
String(item.amount),
x + SLOT_SIZE - 4,
y + SLOT_SIZE - 4,
2,
"white",
"bottom",
"right",
);
}
}