From b47b2e022bfa74cd94d3296aae6bd34ca4afff02 Mon Sep 17 00:00:00 2001
From: tech kaczynski <tk@techkaczynski.dev>
Date: Mon, 2 Nov 2026 03:23:17 +1000
Subject: new shaders for foliage, new material settings, added lots of assets.

---
 res/sdr/mdl_vtx_lit.vs | 47 ++++++++++++++---------------------------------
 1 file changed, 14 insertions(+), 33 deletions(-)

(limited to 'res/sdr/mdl_vtx_lit.vs')

diff --git a/res/sdr/mdl_vtx_lit.vs b/res/sdr/mdl_vtx_lit.vs
index c69cb3d..d9b2bce 100644
--- a/res/sdr/mdl_vtx_lit.vs
+++ b/res/sdr/mdl_vtx_lit.vs
@@ -19,46 +19,27 @@ uniform float moon_intensity;
 uniform vec3 ambient_colour;
 uniform float ambient_intensity;
 
+uniform vec2 uv_tiling;
+uniform vec2 uv_offset;
+
 out vec2 frag_texcoord;
 out vec4 frag_colour;
 out vec3 frag_lighting;
+out vec3 frag_normal;
 
-void
-main() {
-	vec3 world_normal = normalize(
-		(matNormal * vec4(vertexNormal, 0.0)).xyz
-	);
-
-	float sun_diffuse = max(
-		dot(world_normal, sun_direction),
-		0.0
-	);
-
-	float moon_diffuse = max(
-		dot(world_normal, moon_direction),
-		0.0
-	);
-
-	vec3 ambient_light =
-		ambient_colour * ambient_intensity;
-
-	vec3 sun_light =
-		sun_colour *
-		sun_intensity *
-		sun_diffuse;
-
-	vec3 moon_light =
-		moon_colour *
-		moon_intensity *
-		moon_diffuse;
+void main() {
+	vec3 world_normal = normalize((matNormal * vec4(vertexNormal, 0.0)).xyz);
+	float sun_diffuse = max(dot(world_normal, sun_direction), 0.0);
+	float moon_diffuse = max(dot(world_normal, moon_direction), 0.0);
 
-	frag_lighting =
-		ambient_light +
-		sun_light +
-		moon_light;
+	vec3 ambient_light = ambient_colour * ambient_intensity;
+	vec3 sun_light = sun_colour * sun_intensity * sun_diffuse;
+	vec3 moon_light = moon_colour * moon_intensity * moon_diffuse;
 
-	frag_texcoord = vertexTexCoord;
+	frag_lighting = ambient_light + sun_light + moon_light;
+	frag_texcoord = vertexTexCoord * uv_tiling + uv_offset;
 	frag_colour = vertexColor;
+	frag_normal = world_normal;
 
 	gl_Position = mvp * vec4(vertexPosition, 1.0);
 }
-- 
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