From 6c98fd6658fcf7c0c676ee88f03e364c852e9f1b Mon Sep 17 00:00:00 2001
From: RealBadAngel <maciej.kasatkin@o2.pl>
Date: Wed, 14 May 2014 23:19:31 +0200
Subject: Unite nodes shaders. Pass drawtype and material type to shaders. Move
 shaders generation to startup only. Allow assign shaders per tile. Initial
 code to support water surface shader.

---
 client/shaders/plants_shader/opengl_vertex.glsl | 93 -------------------------
 1 file changed, 93 deletions(-)
 delete mode 100644 client/shaders/plants_shader/opengl_vertex.glsl

(limited to 'client/shaders/plants_shader/opengl_vertex.glsl')

diff --git a/client/shaders/plants_shader/opengl_vertex.glsl b/client/shaders/plants_shader/opengl_vertex.glsl
deleted file mode 100644
index a95c20242..000000000
--- a/client/shaders/plants_shader/opengl_vertex.glsl
+++ /dev/null
@@ -1,93 +0,0 @@
-uniform mat4 mWorldViewProj;
-uniform mat4 mInvWorld;
-uniform mat4 mTransWorld;
-uniform mat4 mWorld;
-
-uniform float dayNightRatio;
-uniform float animationTimer;
-
-uniform vec3 eyePosition;
-
-varying vec3 vPosition;
-varying vec3 worldPosition;
-
-varying vec3 eyeVec;
-varying vec3 lightVec;
-
-const float BS = 10.0;
-
-#ifdef ENABLE_WAVING_PLANTS
-float smoothCurve( float x ) {
-  return x * x *( 3.0 - 2.0 * x );
-}
-float triangleWave( float x ) {
-  return abs( fract( x + 0.5 ) * 2.0 - 1.0 );
-}
-float smoothTriangleWave( float x ) {
-  return smoothCurve( triangleWave( x ) ) * 2.0 - 1.0;
-}
-#endif
-
-void main(void)
-{
-	gl_TexCoord[0] = gl_MultiTexCoord0;
-
-#ifdef ENABLE_WAVING_PLANTS
-	vec4 pos = gl_Vertex;
-	vec4 pos2 = mWorld * gl_Vertex;
-	if (gl_TexCoord[0].y < 0.05) {
-		pos.x += (smoothTriangleWave(animationTimer * 20.0 + pos2.x * 0.1 + pos2.z * 0.1) * 2.0 - 1.0) * 0.8;
-		pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2.x * -0.5 + pos2.z * -0.5) * 2.0 - 1.0) * 0.4;
-	}
-	gl_Position = mWorldViewProj * pos;
-#else
-	gl_Position = mWorldViewProj * gl_Vertex;
-#endif
-
-	vPosition = gl_Position.xyz;
-	worldPosition = (mWorld * gl_Vertex).xyz;
-	vec3 sunPosition = vec3 (0.0, eyePosition.y * BS + 900.0, 0.0);
-
-	lightVec = sunPosition - worldPosition;
-	eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
-	
-	vec4 color;
-	//color = vec4(1.0, 1.0, 1.0, 1.0);
-
-	float day = gl_Color.r;
-	float night = gl_Color.g;
-	float light_source = gl_Color.b;
-
-	/*color.r = mix(night, day, dayNightRatio);
-	color.g = color.r;
-	color.b = color.r;*/
-
-	float rg = mix(night, day, dayNightRatio);
-	rg += light_source * 2.5; // Make light sources brighter
-	float b = rg;
-
-	// Moonlight is blue
-	b += (day - night) / 13.0;
-	rg -= (day - night) / 13.0;
-
-	// Emphase blue a bit in darker places
-	// See C++ implementation in mapblock_mesh.cpp finalColorBlend()
-	b += max(0.0, (1.0 - abs(b - 0.13)/0.17) * 0.025);
-
-	// Artificial light is yellow-ish
-	// See C++ implementation in mapblock_mesh.cpp finalColorBlend()
-	rg += max(0.0, (1.0 - abs(rg - 0.85)/0.15) * 0.065);
-
-	color.r = clamp(rg,0.0,1.0);
-	color.g = clamp(rg,0.0,1.0);
-	color.b = clamp(b,0.0,1.0);
-
-	// Make sides and bottom darker than the top
-	color = color * color; // SRGB -> Linear
-	if(gl_Normal.y <= 0.5)
-		color *= 0.6;
-	color = sqrt(color); // Linear -> SRGB
-	color.a = gl_Color.a;
-
-	gl_FrontColor = gl_BackColor = color;
-}
-- 
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