From 9af308b2df07489bee69a54e29fea701df236af0 Mon Sep 17 00:00:00 2001
From: Davide Tantillo <iamdjj@gmail.com>
Date: Wed, 29 Oct 2025 10:04:42 +0100
Subject: [PATCH] Add support for multiply and screen blend mode.

---
 spine-ts/spine-construct3-lib/src/C3Texture.ts | 4 ++--
 spine-ts/spine-construct3/src/instance.ts      | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/spine-ts/spine-construct3-lib/src/C3Texture.ts b/spine-ts/spine-construct3-lib/src/C3Texture.ts
index 7a6d5e4dc..cba1f2838 100644
--- a/spine-ts/spine-construct3-lib/src/C3Texture.ts
+++ b/spine-ts/spine-construct3-lib/src/C3Texture.ts
@@ -137,7 +137,7 @@ function toC3Filter (filter: TextureFilter): TextureSamplingMode {
 export const BlendingModeSpineToC3: Record<BlendMode, BlendModeParameter> = {
 	[BlendMode.Normal]: "normal",
 	[BlendMode.Additive]: "additive",
-	[BlendMode.Multiply]: "normal",
-	[BlendMode.Screen]: "normal",
+	[BlendMode.Multiply]: "multiply",
+	[BlendMode.Screen]: "screen",
 }
 
diff --git a/spine-ts/spine-construct3/src/instance.ts b/spine-ts/spine-construct3/src/instance.ts
index 583486271..56c25b7b5 100644
--- a/spine-ts/spine-construct3/src/instance.ts
+++ b/spine-ts/spine-construct3/src/instance.ts
@@ -120,7 +120,7 @@ class MyDrawingInstance extends SDK.IWorldInstanceBase {
 			this.update(0);
 			let command = this.skeletonRenderer.render(this.skeleton);
 			while (command) {
-				const { numVertices, positions, uvs, colors, indices, numIndices } = command;
+				const { numVertices, positions, uvs, colors, indices, numIndices, blendMode } = command;
 
 				const vertices = this.tempVertices;
 				const c3colors = this.tempColors;
@@ -142,7 +142,7 @@ class MyDrawingInstance extends SDK.IWorldInstanceBase {
 				}
 
 				iRenderer.ResetColor();
-				iRenderer.SetAlphaBlend();
+				iRenderer.SetBlendMode(spine.BlendingModeSpineToC3[blendMode]);
 				iRenderer.SetTextureFillMode();
 				iRenderer.SetTexture(command.texture.texture);