package net.minecraft.client.gui.font.glyphs;

import com.mojang.blaze3d.vertex.VertexConsumer;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.gui.Font;
import net.minecraft.client.gui.font.GlyphRenderTypes;
import net.minecraft.client.renderer.RenderType;
import org.joml.Matrix4f;

@Environment(EnvType.CLIENT)
public class BakedGlyph {
	private final GlyphRenderTypes renderTypes;
	private final float u0;
	private final float u1;
	private final float v0;
	private final float v1;
	private final float left;
	private final float right;
	private final float up;
	private final float down;

	public BakedGlyph(GlyphRenderTypes renderTypes, float u0, float u1, float v0, float v1, float left, float right, float up, float down) {
		this.renderTypes = renderTypes;
		this.u0 = u0;
		this.u1 = u1;
		this.v0 = v0;
		this.v1 = v1;
		this.left = left;
		this.right = right;
		this.up = up;
		this.down = down;
	}

	public void render(boolean italic, float x, float y, Matrix4f matrix, VertexConsumer buffer, float red, float green, float blue, float alpha, int packedLight) {
		float f = x + this.left;
		float g = x + this.right;
		float h = y + this.up;
		float i = y + this.down;
		float j = italic ? 1.0F - 0.25F * this.up : 0.0F;
		float k = italic ? 1.0F - 0.25F * this.down : 0.0F;
		buffer.addVertex(matrix, f + j, h, 0.0F).setColor(red, green, blue, alpha).setUv(this.u0, this.v0).setLight(packedLight);
		buffer.addVertex(matrix, f + k, i, 0.0F).setColor(red, green, blue, alpha).setUv(this.u0, this.v1).setLight(packedLight);
		buffer.addVertex(matrix, g + k, i, 0.0F).setColor(red, green, blue, alpha).setUv(this.u1, this.v1).setLight(packedLight);
		buffer.addVertex(matrix, g + j, h, 0.0F).setColor(red, green, blue, alpha).setUv(this.u1, this.v0).setLight(packedLight);
	}

	public void renderEffect(BakedGlyph.Effect effect, Matrix4f matrix, VertexConsumer buffer, int packedLight) {
		buffer.addVertex(matrix, effect.x0, effect.y0, effect.depth).setColor(effect.r, effect.g, effect.b, effect.a).setUv(this.u0, this.v0).setLight(packedLight);
		buffer.addVertex(matrix, effect.x1, effect.y0, effect.depth).setColor(effect.r, effect.g, effect.b, effect.a).setUv(this.u0, this.v1).setLight(packedLight);
		buffer.addVertex(matrix, effect.x1, effect.y1, effect.depth).setColor(effect.r, effect.g, effect.b, effect.a).setUv(this.u1, this.v1).setLight(packedLight);
		buffer.addVertex(matrix, effect.x0, effect.y1, effect.depth).setColor(effect.r, effect.g, effect.b, effect.a).setUv(this.u1, this.v0).setLight(packedLight);
	}

	public RenderType renderType(Font.DisplayMode displayMode) {
		return this.renderTypes.select(displayMode);
	}

	@Environment(EnvType.CLIENT)
	public static class Effect {
		protected final float x0;
		protected final float y0;
		protected final float x1;
		protected final float y1;
		protected final float depth;
		protected final float r;
		protected final float g;
		protected final float b;
		protected final float a;

		public Effect(float x0, float y0, float x1, float y1, float depth, float r, float g, float b, float a) {
			this.x0 = x0;
			this.y0 = y0;
			this.x1 = x1;
			this.y1 = y1;
			this.depth = depth;
			this.r = r;
			this.g = g;
			this.b = b;
			this.a = a;
		}
	}
}