From f478606867d42e971c5fa83803f3255e922e6a8a Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Sun, 23 Feb 2025 02:24:39 -0800
Subject: add ltcgi, alpha multiplier

---
 ltcgi.cginc | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 ltcgi.cginc

(limited to 'ltcgi.cginc')

diff --git a/ltcgi.cginc b/ltcgi.cginc
new file mode 100644
index 0000000..206b29e
--- /dev/null
+++ b/ltcgi.cginc
@@ -0,0 +1,30 @@
+#ifndef __LTCGI_INC
+#define __LTCGI_INC
+
+#include "features.cginc"
+
+#if defined(_LTCGI)
+struct ltcgi_acc {
+  float3 diffuse;
+  float3 specular;
+};
+
+#include "Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_structs.cginc"
+
+void ltcgi_cb_diffuse(inout ltcgi_acc acc, in ltcgi_output output);
+void ltcgi_cb_specular(inout ltcgi_acc acc, in ltcgi_output output);
+
+#define LTCGI_V2_CUSTOM_INPUT ltcgi_acc
+#define LTCGI_V2_DIFFUSE_CALLBACK ltcgi_cb_diffuse
+#define LTCGI_V2_SPECULAR_CALLBACK ltcgi_cb_specular
+
+#include "Third_Party/at.pimaker.ltcgi/Shaders/LTCGI.cginc"
+void ltcgi_cb_diffuse(inout ltcgi_acc acc, in ltcgi_output output) {
+	acc.diffuse += output.intensity * output.color * _LTCGI_DiffuseColor;
+}
+void ltcgi_cb_specular(inout ltcgi_acc acc, in ltcgi_output output) {
+	acc.specular += output.intensity * output.color * _LTCGI_SpecularColor;
+}
+#endif  // _LTCGI
+
+#endif  // __LTCGI_INC
-- 
cgit v1.2.3