From 2330267d2207208799ad347ea0d129c0b4551d61 Mon Sep 17 00:00:00 2001
From: RealBadAngel <mk@realbadangel.pl>
Date: Tue, 3 Dec 2013 17:21:40 +0100
Subject: [PATCH] Shaders rework.

---
 builtin/mainmenu.lua                          |  74 +++++++++----
 .../base.txt                                  |   0
 .../shaders/alpha_shader/opengl_fragment.glsl |  67 ++++++++++++
 .../shaders/alpha_shader/opengl_vertex.glsl   |  99 ++++++++++++++++++
 .../bumpmaps_liquids/opengl_fragment.glsl     |  46 --------
 .../bumpmaps_liquids/opengl_vertex.glsl       |  98 -----------------
 .../bumpmaps_solids/opengl_fragment.glsl      |  45 --------
 .../bumpmaps_solids/opengl_vertex.glsl        |  98 -----------------
 .../base.txt                                  |   0
 .../leaves_shader/opengl_fragment.glsl        |  54 ++++++++++
 .../shaders/leaves_shader/opengl_vertex.glsl  |  87 +++++++++++++++
 .../base.txt                                  |   0
 .../liquids_shader/opengl_fragment.glsl       |  53 ++++++++++
 .../opengl_vertex.glsl                        |  39 ++++---
 .../{test_shader_1 => plants_shader}/base.txt |   0
 .../plants_shader/opengl_fragment.glsl        |  53 ++++++++++
 .../shaders/plants_shader/opengl_vertex.glsl  |  87 +++++++++++++++
 client/shaders/solids_shader/base.txt         |   1 +
 .../solids_shader/opengl_fragment.glsl        |  87 +++++++++++++++
 .../shaders/solids_shader/opengl_vertex.glsl  |  99 ++++++++++++++++++
 .../test_shader_1/opengl_fragment.glsl        |  25 -----
 .../test_shader_2/opengl_fragment.glsl        |  23 ----
 .../shaders/test_shader_2/opengl_vertex.glsl  |  51 ---------
 client/shaders/test_shader_3/base.txt         |   1 -
 .../test_shader_3/opengl_fragment.glsl        |  25 -----
 .../shaders/test_shader_3/opengl_vertex.glsl  |  51 ---------
 minetest.conf.example                         |  16 +++
 src/defaultsettings.cpp                       |   9 ++
 src/game.cpp                                  |  57 +++++++++-
 src/itemdef.cpp                               |  11 +-
 src/mapblock_mesh.cpp                         |  61 +++++------
 src/nodedef.cpp                               |  13 ++-
 src/nodedef.h                                 |   2 +
 src/script/common/c_content.cpp               |   3 +
 src/tile.h                                    |  18 +++-
 textures/base/pack/disable_img.png            | Bin 0 -> 150 bytes
 textures/base/pack/enable_img.png             | Bin 0 -> 160 bytes
 37 files changed, 914 insertions(+), 539 deletions(-)
 rename client/shaders/{bumpmaps_liquids => alpha_shader}/base.txt (100%)
 create mode 100644 client/shaders/alpha_shader/opengl_fragment.glsl
 create mode 100644 client/shaders/alpha_shader/opengl_vertex.glsl
 delete mode 100644 client/shaders/bumpmaps_liquids/opengl_fragment.glsl
 delete mode 100644 client/shaders/bumpmaps_liquids/opengl_vertex.glsl
 delete mode 100644 client/shaders/bumpmaps_solids/opengl_fragment.glsl
 delete mode 100644 client/shaders/bumpmaps_solids/opengl_vertex.glsl
 rename client/shaders/{bumpmaps_solids => leaves_shader}/base.txt (100%)
 create mode 100644 client/shaders/leaves_shader/opengl_fragment.glsl
 create mode 100644 client/shaders/leaves_shader/opengl_vertex.glsl
 rename client/shaders/{test_shader_2 => liquids_shader}/base.txt (100%)
 create mode 100644 client/shaders/liquids_shader/opengl_fragment.glsl
 rename client/shaders/{test_shader_1 => liquids_shader}/opengl_vertex.glsl (53%)
 rename client/shaders/{test_shader_1 => plants_shader}/base.txt (100%)
 create mode 100644 client/shaders/plants_shader/opengl_fragment.glsl
 create mode 100644 client/shaders/plants_shader/opengl_vertex.glsl
 create mode 100644 client/shaders/solids_shader/base.txt
 create mode 100644 client/shaders/solids_shader/opengl_fragment.glsl
 create mode 100644 client/shaders/solids_shader/opengl_vertex.glsl
 delete mode 100644 client/shaders/test_shader_1/opengl_fragment.glsl
 delete mode 100644 client/shaders/test_shader_2/opengl_fragment.glsl
 delete mode 100644 client/shaders/test_shader_2/opengl_vertex.glsl
 delete mode 100644 client/shaders/test_shader_3/base.txt
 delete mode 100644 client/shaders/test_shader_3/opengl_fragment.glsl
 delete mode 100644 client/shaders/test_shader_3/opengl_vertex.glsl
 create mode 100644 textures/base/pack/disable_img.png
 create mode 100644 textures/base/pack/enable_img.png

diff --git a/builtin/mainmenu.lua b/builtin/mainmenu.lua
index 6c0aaf252..9555146d4 100644
--- a/builtin/mainmenu.lua
+++ b/builtin/mainmenu.lua
@@ -687,7 +687,21 @@ function tabbuilder.handle_settings_buttons(fields)
 	if fields["cb_finite_liquid"] then
 		engine.setting_set("liquid_finite", fields["cb_finite_liquid"])
 	end
-
+	if fields["cb_bumpmapping"] then
+		engine.setting_set("enable_bumpmapping", fields["cb_bumpmapping"])
+	end
+	if fields["cb_parallax"] then
+		engine.setting_set("enable_parallax_occlusion", fields["cb_parallax"])
+	end
+	if fields["cb_waving_water"] then
+		engine.setting_set("enable_waving_water", fields["cb_waving_water"])
+	end
+	if fields["cb_waving_leaves"] then
+		engine.setting_set("enable_waving_leaves", fields["cb_waving_leaves"])
+	end
+	if fields["cb_waving_plants"] then
+		engine.setting_set("enable_waving_plants", fields["cb_waving_plants"])
+	end
 	if fields["btn_change_keys"] ~= nil then
 		engine.show_keys_menu()
 	end
@@ -923,35 +937,57 @@ end
 
 --------------------------------------------------------------------------------
 function tabbuilder.tab_settings()
-	return	"vertlabel[0,0;" .. fgettext("SETTINGS") .. "]" ..
-			"checkbox[1,0.75;cb_fancy_trees;".. fgettext("Fancy trees") .. ";"
+	tab_string =
+			"vertlabel[0,0;" .. fgettext("SETTINGS") .. "]" ..
+			"checkbox[1,0;cb_fancy_trees;".. fgettext("Fancy Trees") .. ";" 
 					.. dump(engine.setting_getbool("new_style_leaves")) .. "]"..
-			"checkbox[1,1.25;cb_smooth_lighting;".. fgettext("Smooth Lighting")
+			"checkbox[1,0.5;cb_smooth_lighting;".. fgettext("Smooth Lighting") 
 					.. ";".. dump(engine.setting_getbool("smooth_lighting")) .. "]"..
-			"checkbox[1,1.75;cb_3d_clouds;".. fgettext("3D Clouds") .. ";"
+			"checkbox[1,1;cb_3d_clouds;".. fgettext("3D Clouds") .. ";"
 					.. dump(engine.setting_getbool("enable_3d_clouds")) .. "]"..
-			"checkbox[1,2.25;cb_opaque_water;".. fgettext("Opaque Water") .. ";"
+			"checkbox[1,1.5;cb_opaque_water;".. fgettext("Opaque Water") .. ";"
 					.. dump(engine.setting_getbool("opaque_water")) .. "]"..
+			"checkbox[1,2.0;cb_pre_ivis;".. fgettext("Preload item visuals") .. ";"
+					.. dump(engine.setting_getbool("preload_item_visuals"))	.. "]"..
+			"checkbox[1,2.5;cb_particles;".. fgettext("Enable Particles") .. ";"
+					.. dump(engine.setting_getbool("enable_particles"))	.. "]"..
+			"checkbox[1,3.0;cb_finite_liquid;".. fgettext("Finite Liquid") .. ";"
+					.. dump(engine.setting_getbool("liquid_finite")) .. "]"..
 
-			"checkbox[4,0.75;cb_mipmapping;".. fgettext("Mip-Mapping") .. ";"
+			"checkbox[4.5,0;cb_mipmapping;".. fgettext("Mip-Mapping") .. ";"
 					.. dump(engine.setting_getbool("mip_map")) .. "]"..
-			"checkbox[4,1.25;cb_anisotrophic;".. fgettext("Anisotropic Filtering") .. ";"
+			"checkbox[4.5,0.5;cb_anisotrophic;".. fgettext("Anisotropic Filtering") .. ";"
 					.. dump(engine.setting_getbool("anisotropic_filter")) .. "]"..
-			"checkbox[4,1.75;cb_bilinear;".. fgettext("Bi-Linear Filtering") .. ";"
+			"checkbox[4.5,1.0;cb_bilinear;".. fgettext("Bi-Linear Filtering") .. ";"
 					.. dump(engine.setting_getbool("bilinear_filter")) .. "]"..
-			"checkbox[4,2.25;cb_trilinear;".. fgettext("Tri-Linear Filtering") .. ";"
+			"checkbox[4.5,1.5;cb_trilinear;".. fgettext("Tri-Linear Filtering") .. ";"
 					.. dump(engine.setting_getbool("trilinear_filter")) .. "]"..
 
-			"checkbox[7.5,0.75;cb_shaders;".. fgettext("Shaders") .. ";"
+			"checkbox[8,0;cb_shaders;".. fgettext("Shaders") .. ";"
 					.. dump(engine.setting_getbool("enable_shaders")) .. "]"..
-			"checkbox[7.5,1.25;cb_pre_ivis;".. fgettext("Preload item visuals") .. ";"
-					.. dump(engine.setting_getbool("preload_item_visuals"))	.. "]"..
-			"checkbox[7.5,1.75;cb_particles;".. fgettext("Enable Particles") .. ";"
-					.. dump(engine.setting_getbool("enable_particles"))	.. "]"..
-			"checkbox[7.5,2.25;cb_finite_liquid;".. fgettext("Finite Liquid") .. ";"
-					.. dump(engine.setting_getbool("liquid_finite")) .. "]"..
-
-			"button[1,4.25;2.25,0.5;btn_change_keys;".. fgettext("Change keys") .. "]"
+			"button[1,4.5;2.25,0.5;btn_change_keys;".. fgettext("Change keys") .. "]"
+
+if engine.setting_getbool("enable_shaders") then
+	tab_string = tab_string ..
+			"checkbox[8,0.5;cb_bumpmapping;".. fgettext("Bumpmapping") .. ";"
+					.. dump(engine.setting_getbool("enable_bumpmapping")) .. "]"..
+			"checkbox[8,1.0;cb_parallax;".. fgettext("Parallax Occlusion") .. ";"
+					.. dump(engine.setting_getbool("enable_parallax_occlusion")) .. "]"..
+			"checkbox[8,1.5;cb_waving_water;".. fgettext("Waving Water") .. ";"
+					.. dump(engine.setting_getbool("enable_waving_water")) .. "]"..
+			"checkbox[8,2.0;cb_waving_leaves;".. fgettext("Waving Leaves") .. ";"
+					.. dump(engine.setting_getbool("enable_waving_leaves")) .. "]"..
+			"checkbox[8,2.5;cb_waving_plants;".. fgettext("Waving Plants") .. ";"
+					.. dump(engine.setting_getbool("enable_waving_plants")) .. "]"
+else 
+	tab_string = tab_string ..
+			"textlist[8.33,0.7;4,1;;#888888" .. fgettext("Bumpmapping") .. ";0;true]" ..
+			"textlist[8.33,1.2;4,1;;#888888" .. fgettext("Parallax Occlusion") .. ";0;true]" ..
+			"textlist[8.33,1.7;4,1;;#888888" .. fgettext("Waving Water") .. ";0;true]" ..
+			"textlist[8.33,2.2;4,1;;#888888" .. fgettext("Waving Leaves") .. ";0;true]" ..
+			"textlist[8.33,2.7;4,1;;#888888" .. fgettext("Waving Plants") .. ";0;true]"
+	end
+return tab_string
 end
 
 --------------------------------------------------------------------------------
diff --git a/client/shaders/bumpmaps_liquids/base.txt b/client/shaders/alpha_shader/base.txt
similarity index 100%
rename from client/shaders/bumpmaps_liquids/base.txt
rename to client/shaders/alpha_shader/base.txt
diff --git a/client/shaders/alpha_shader/opengl_fragment.glsl b/client/shaders/alpha_shader/opengl_fragment.glsl
new file mode 100644
index 000000000..e72c1b9a6
--- /dev/null
+++ b/client/shaders/alpha_shader/opengl_fragment.glsl
@@ -0,0 +1,67 @@
+#version 120
+
+uniform sampler2D baseTexture;
+uniform sampler2D normalTexture;
+uniform sampler2D useNormalmap;
+
+uniform float enableBumpmapping;
+uniform float enableParallaxOcclusion;
+uniform float parallaxOcclusionScale;
+uniform float parallaxOcclusionBias;
+
+
+uniform vec4 skyBgColor;
+uniform float fogDistance;
+
+varying vec3 vPosition;
+varying vec3 tsEyeVec;
+varying vec3 eyeVec;
+
+const float e = 2.718281828459;
+
+void main (void)
+{
+	float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
+	float enable_bumpmapping = enableBumpmapping;
+
+	vec3 color;
+	vec2 uv = gl_TexCoord[0].st;
+	float height;
+	vec2 tsEye = vec2(tsEyeVec.x,-tsEyeVec.y);
+	
+	if ((enableParallaxOcclusion == 1.0) && (use_normalmap > 0.0)) {
+		float map_height = texture2D(normalTexture, uv).a;
+			if (map_height < 1.0){
+				float height = parallaxOcclusionScale * map_height - parallaxOcclusionBias;
+				uv = uv + height * tsEye;
+			}
+	}
+
+	if ((enable_bumpmapping == 1.0) && (use_normalmap > 0.0)) {
+		vec3 base = texture2D(baseTexture, uv).rgb;
+		vec3 vVec = normalize(eyeVec);
+		vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
+		vec3 R = reflect(-vVec, bump);
+		vec3 lVec = normalize(vVec);
+		float diffuse = max(dot(lVec, bump), 0.0);
+		float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
+		color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse;
+	} else {
+		color = texture2D(baseTexture, uv).rgb;
+	}
+
+	float alpha = texture2D(baseTexture, uv).a;
+	vec4 col = vec4(color.r, color.g, color.b, alpha);
+	col *= gl_Color;
+	col = col * col; // SRGB -> Linear
+	col *= 1.8;
+	col.r = 1.0 - exp(1.0 - col.r) / e;
+	col.g = 1.0 - exp(1.0 - col.g) / e;
+	col.b = 1.0 - exp(1.0 - col.b) / e;
+	col = sqrt(col); // Linear -> SRGB
+	if(fogDistance != 0.0){
+		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
+		col = mix(col, skyBgColor, d);
+	}
+    gl_FragColor = vec4(col.r, col.g, col.b, alpha);   
+}
diff --git a/client/shaders/alpha_shader/opengl_vertex.glsl b/client/shaders/alpha_shader/opengl_vertex.glsl
new file mode 100644
index 000000000..c26fdd3d5
--- /dev/null
+++ b/client/shaders/alpha_shader/opengl_vertex.glsl
@@ -0,0 +1,99 @@
+#version 120
+
+uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+uniform float dayNightRatio;
+
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+varying vec3 tsEyeVec;
+
+void main(void)
+{
+	gl_Position = mWorldViewProj * gl_Vertex;
+	vPosition = (mWorldViewProj * gl_Vertex).xyz;
+
+	vec3 normal,tangent,binormal; 
+	normal = normalize(gl_NormalMatrix * gl_Normal);
+
+	if (gl_Normal.x > 0.5) {
+		//  1.0,  0.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 0.0,  0.0, -1.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	} else if (gl_Normal.x < -0.5) {
+		// -1.0,  0.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 0.0,  0.0,  1.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	} else if (gl_Normal.y > 0.5) {
+		//  0.0,  1.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0,  0.0,  1.0));
+	} else if (gl_Normal.y < -0.5) {
+		//  0.0, -1.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0,  0.0,  1.0));
+	} else if (gl_Normal.z > 0.5) {
+		//  0.0,  0.0,  1.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	} else if (gl_Normal.z < -0.5) {
+		//  0.0,  0.0, -1.0
+		tangent  = normalize(gl_NormalMatrix * vec3(-1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	}
+	
+	mat3 tbnMatrix = mat3(tangent.x, binormal.x, normal.x,
+                          tangent.y, binormal.y, normal.y,
+                          tangent.z, binormal.z, normal.z);
+
+	eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
+	tsEyeVec = normalize(eyeVec * tbnMatrix);
+	
+	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 *= 0.7;
+	color = sqrt(color); // Linear -> SRGB
+
+	color.a = gl_Color.a;
+
+	gl_FrontColor = gl_BackColor = color;
+
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+
+}
diff --git a/client/shaders/bumpmaps_liquids/opengl_fragment.glsl b/client/shaders/bumpmaps_liquids/opengl_fragment.glsl
deleted file mode 100644
index bf6bbf043..000000000
--- a/client/shaders/bumpmaps_liquids/opengl_fragment.glsl
+++ /dev/null
@@ -1,46 +0,0 @@
-
-uniform sampler2D myTexture;
-uniform sampler2D normalTexture;
-
-uniform vec4 skyBgColor;
-uniform float fogDistance;
-
-varying vec3 vPosition;
-
-varying vec3 viewVec;
-
-void main (void)
-{
-	vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));
-	float alpha = col.a;
-	vec2 uv = gl_TexCoord[0].st;
-	vec4 base = texture2D(myTexture, uv);
-	vec4 final_color = vec4(0.2, 0.2, 0.2, 1.0) * base;
-	vec3 vVec = normalize(viewVec);
-	vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
-	vec3 R = reflect(-vVec, bump);
-	vec3 lVec = normalize(vec3(0.0, -0.4, 0.5));
-	float diffuse = max(dot(lVec, bump), 0.0);
-  
-	vec3 color = diffuse * texture2D(myTexture, gl_TexCoord[0].st).rgb;
-	
-	
-	float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
-    color += vec3(0.2*specular*diffuse);
- 
-  
-	col = vec4(color.r, color.g, color.b, alpha);
-	col *= gl_Color;
-	col = col * col; // SRGB -> Linear
-	col *= 1.8;
-	col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);
-	col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);
-	col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);
-	col = sqrt(col); // Linear -> SRGB
-	if(fogDistance != 0.0){
-		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
-		alpha = mix(alpha, 0.0, d);
-	}
-
-    gl_FragColor = vec4(col.r, col.g, col.b, alpha);   
-}
diff --git a/client/shaders/bumpmaps_liquids/opengl_vertex.glsl b/client/shaders/bumpmaps_liquids/opengl_vertex.glsl
deleted file mode 100644
index 99c208bdd..000000000
--- a/client/shaders/bumpmaps_liquids/opengl_vertex.glsl
+++ /dev/null
@@ -1,98 +0,0 @@
-
-uniform mat4 mWorldViewProj;
-uniform mat4 mInvWorld;
-uniform mat4 mTransWorld;
-uniform float dayNightRatio;
-
-varying vec3 vPosition;
-varying vec3 viewVec;
-
-void main(void)
-{
-	gl_Position = mWorldViewProj * gl_Vertex;
-
-	vPosition = (mWorldViewProj * gl_Vertex).xyz;
-	
-	vec3 tangent; 
-	vec3 binormal; 
-
-	vec3 c1 = cross( gl_Normal, vec3(0.0, 0.0, 1.0) ); 
-	vec3 c2 = cross( gl_Normal, vec3(0.0, 1.0, 0.0) ); 
-
-	if( length(c1)>length(c2) )
-	{
-		tangent = c1;	
-	}
-	else
-	{
-		tangent = c2;	
-	}
-
-	tangent = normalize(tangent);
-
-//binormal = cross(gl_Normal, tangent); 
-//binormal = normalize(binormal);
-
-	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 * 1.5; // 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 = rg;
-	color.g = rg;
-	color.b = b;
-
-	// Make sides and bottom darker than the top
-	color = color * color; // SRGB -> Linear
-	if(gl_Normal.y <= 0.5)
-		color *= 0.6;
-		//color *= 0.7;
-	color = sqrt(color); // Linear -> SRGB
-
-	color.a = gl_Color.a;
-
-	gl_FrontColor = gl_BackColor = color;
-
-	gl_TexCoord[0] = gl_MultiTexCoord0;
-	
-	vec3 n1 = normalize(gl_NormalMatrix * gl_Normal);
-	vec4 tangent1 = vec4(tangent.x, tangent.y, tangent.z, 0);
-	//vec3 t1 = normalize(gl_NormalMatrix * tangent1);
-	//vec3 b1 = cross(n1, t1);
-
-	vec3 v;
-	vec3 vVertex = vec3(gl_ModelViewMatrix * gl_Vertex);
-	vec3 vVec = -vVertex;
-	//v.x = dot(vVec, t1);
-	//v.y = dot(vVec, b1);
-	//v.z = dot(vVec, n1);
-	//viewVec = vVec;
-	viewVec = normalize(vec3(0.0, -0.4, 0.5));
-	//Vector representing the 0th texture coordinate passed to fragment shader
-//gl_TexCoord[0] = vec2(gl_MultiTexCoord0);
-
-// Transform the current vertex
-//gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
-}
diff --git a/client/shaders/bumpmaps_solids/opengl_fragment.glsl b/client/shaders/bumpmaps_solids/opengl_fragment.glsl
deleted file mode 100644
index c72e8cbce..000000000
--- a/client/shaders/bumpmaps_solids/opengl_fragment.glsl
+++ /dev/null
@@ -1,45 +0,0 @@
-
-uniform sampler2D myTexture;
-uniform sampler2D normalTexture;
-
-uniform vec4 skyBgColor;
-uniform float fogDistance;
-
-varying vec3 vPosition;
-
-varying vec3 viewVec;
-
-void main (void)
-{
-	vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));
-	float alpha = col.a;
-	vec2 uv = gl_TexCoord[0].st;
-	vec4 base = texture2D(myTexture, uv);
-	vec4 final_color = vec4(0.2, 0.2, 0.2, 1.0) * base;
-	vec3 vVec = normalize(viewVec);
-	vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
-	vec3 R = reflect(-vVec, bump);
-	vec3 lVec = normalize(vec3(0.0, -0.4, 0.5));
-	float diffuse = max(dot(lVec, bump), 0.0);
-  
-	vec3 color = diffuse * texture2D(myTexture, gl_TexCoord[0].st).rgb;
-	
-	
-	float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
-    color += vec3(0.2*specular*diffuse);
- 
-  
-	col = vec4(color.r, color.g, color.b, alpha);
-	col *= gl_Color;
-	col = col * col; // SRGB -> Linear
-	col *= 1.8;
-	col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);
-	col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);
-	col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);
-	col = sqrt(col); // Linear -> SRGB
-	if(fogDistance != 0.0){
-		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
-		col = mix(col, skyBgColor, d);
-	}
-    gl_FragColor = vec4(col.r, col.g, col.b, alpha);   
-}
diff --git a/client/shaders/bumpmaps_solids/opengl_vertex.glsl b/client/shaders/bumpmaps_solids/opengl_vertex.glsl
deleted file mode 100644
index 99c208bdd..000000000
--- a/client/shaders/bumpmaps_solids/opengl_vertex.glsl
+++ /dev/null
@@ -1,98 +0,0 @@
-
-uniform mat4 mWorldViewProj;
-uniform mat4 mInvWorld;
-uniform mat4 mTransWorld;
-uniform float dayNightRatio;
-
-varying vec3 vPosition;
-varying vec3 viewVec;
-
-void main(void)
-{
-	gl_Position = mWorldViewProj * gl_Vertex;
-
-	vPosition = (mWorldViewProj * gl_Vertex).xyz;
-	
-	vec3 tangent; 
-	vec3 binormal; 
-
-	vec3 c1 = cross( gl_Normal, vec3(0.0, 0.0, 1.0) ); 
-	vec3 c2 = cross( gl_Normal, vec3(0.0, 1.0, 0.0) ); 
-
-	if( length(c1)>length(c2) )
-	{
-		tangent = c1;	
-	}
-	else
-	{
-		tangent = c2;	
-	}
-
-	tangent = normalize(tangent);
-
-//binormal = cross(gl_Normal, tangent); 
-//binormal = normalize(binormal);
-
-	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 * 1.5; // 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 = rg;
-	color.g = rg;
-	color.b = b;
-
-	// Make sides and bottom darker than the top
-	color = color * color; // SRGB -> Linear
-	if(gl_Normal.y <= 0.5)
-		color *= 0.6;
-		//color *= 0.7;
-	color = sqrt(color); // Linear -> SRGB
-
-	color.a = gl_Color.a;
-
-	gl_FrontColor = gl_BackColor = color;
-
-	gl_TexCoord[0] = gl_MultiTexCoord0;
-	
-	vec3 n1 = normalize(gl_NormalMatrix * gl_Normal);
-	vec4 tangent1 = vec4(tangent.x, tangent.y, tangent.z, 0);
-	//vec3 t1 = normalize(gl_NormalMatrix * tangent1);
-	//vec3 b1 = cross(n1, t1);
-
-	vec3 v;
-	vec3 vVertex = vec3(gl_ModelViewMatrix * gl_Vertex);
-	vec3 vVec = -vVertex;
-	//v.x = dot(vVec, t1);
-	//v.y = dot(vVec, b1);
-	//v.z = dot(vVec, n1);
-	//viewVec = vVec;
-	viewVec = normalize(vec3(0.0, -0.4, 0.5));
-	//Vector representing the 0th texture coordinate passed to fragment shader
-//gl_TexCoord[0] = vec2(gl_MultiTexCoord0);
-
-// Transform the current vertex
-//gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
-}
diff --git a/client/shaders/bumpmaps_solids/base.txt b/client/shaders/leaves_shader/base.txt
similarity index 100%
rename from client/shaders/bumpmaps_solids/base.txt
rename to client/shaders/leaves_shader/base.txt
diff --git a/client/shaders/leaves_shader/opengl_fragment.glsl b/client/shaders/leaves_shader/opengl_fragment.glsl
new file mode 100644
index 000000000..127b32d51
--- /dev/null
+++ b/client/shaders/leaves_shader/opengl_fragment.glsl
@@ -0,0 +1,54 @@
+#version 120
+
+uniform sampler2D baseTexture;
+uniform sampler2D normalTexture;
+uniform sampler2D useNormalmap;
+
+uniform float enableBumpmapping;
+
+uniform vec4 skyBgColor;
+uniform float fogDistance;
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+varying vec4 vColor;
+
+const float e = 2.718281828459;
+
+void main (void)
+{
+	float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
+	float enable_bumpmapping = enableBumpmapping;
+
+	vec3 color;
+	vec2 uv = gl_TexCoord[0].st;
+
+	if ((enable_bumpmapping == 1.0) && (use_normalmap > 0.0)) {
+		vec3 base = texture2D(baseTexture, uv).rgb;
+		vec3 vVec = normalize(eyeVec);
+		vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
+		vec3 R = reflect(-vVec, bump);
+		vec3 lVec = normalize(vVec);
+		float diffuse = max(dot(lVec, bump), 0.0);
+		float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
+		color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse;
+	} else {
+		color = texture2D(baseTexture, uv).rgb;
+	}
+
+	float alpha = texture2D(baseTexture, uv).a;
+	vec4 col = vec4(color.r, color.g, color.b, alpha);
+	col *= gl_Color;
+	col = col * col; // SRGB -> Linear
+	col *= 1.8;
+	col.r = 1.0 - exp(1.0 - col.r) / e;
+	col.g = 1.0 - exp(1.0 - col.g) / e;
+	col.b = 1.0 - exp(1.0 - col.b) / e;
+	col = sqrt(col); // Linear -> SRGB
+	if(fogDistance != 0.0){
+		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
+		col = mix(col, skyBgColor, d);
+	}
+    gl_FragColor = vec4(col.r, col.g, col.b, alpha);   
+}
diff --git a/client/shaders/leaves_shader/opengl_vertex.glsl b/client/shaders/leaves_shader/opengl_vertex.glsl
new file mode 100644
index 000000000..8dfb0669e
--- /dev/null
+++ b/client/shaders/leaves_shader/opengl_vertex.glsl
@@ -0,0 +1,87 @@
+#version 120
+
+uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+uniform float dayNightRatio;
+uniform float animationTimer;
+
+uniform float enableWavingLeaves;
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+
+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;  
+} 
+
+void main(void)
+{
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	if (enableWavingLeaves == 1.0){	
+		vec4 pos = gl_Vertex;
+		vec4 pos2 = mTransWorld*gl_Vertex;
+		pos.x += (smoothTriangleWave(animationTimer*10.0 + pos2.x * 0.01 + pos2.z * 0.01) * 2.0 - 1.0) * 0.4;
+		pos.y += (smoothTriangleWave(animationTimer*15.0 + pos2.x * -0.01 + pos2.z * -0.01) * 2.0 - 1.0) * 0.2;
+		pos.z += (smoothTriangleWave(animationTimer*10.0 + pos2.x * -0.01 + pos2.z * -0.01) * 2.0 - 1.0) * 0.4;
+		gl_Position = mWorldViewProj * pos;
+	}
+	else 
+		gl_Position = mWorldViewProj * gl_Vertex;
+
+	vPosition = (mWorldViewProj * gl_Vertex).xyz;
+
+	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 *= 0.7;
+	color = sqrt(color); // Linear -> SRGB
+
+	color.a = gl_Color.a;
+
+	gl_FrontColor = gl_BackColor = color;
+
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+
+}
diff --git a/client/shaders/test_shader_2/base.txt b/client/shaders/liquids_shader/base.txt
similarity index 100%
rename from client/shaders/test_shader_2/base.txt
rename to client/shaders/liquids_shader/base.txt
diff --git a/client/shaders/liquids_shader/opengl_fragment.glsl b/client/shaders/liquids_shader/opengl_fragment.glsl
new file mode 100644
index 000000000..a5ffd71bb
--- /dev/null
+++ b/client/shaders/liquids_shader/opengl_fragment.glsl
@@ -0,0 +1,53 @@
+#version 120
+
+uniform sampler2D baseTexture;
+uniform sampler2D normalTexture;
+uniform sampler2D useNormalmap;
+
+uniform float enableBumpmapping;
+
+uniform vec4 skyBgColor;
+uniform float fogDistance;
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+
+const float e = 2.718281828459;
+
+void main (void)
+{
+	float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
+	float enable_bumpmapping = enableBumpmapping;
+
+	vec3 color;
+	vec2 uv = gl_TexCoord[0].st;
+
+	if ((enable_bumpmapping == 1.0) && (use_normalmap > 0.0)) {
+		vec3 base = texture2D(baseTexture, uv).rgb;
+		vec3 vVec = normalize(eyeVec);
+		vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
+		vec3 R = reflect(-vVec, bump);
+		vec3 lVec = normalize(vVec);
+		float diffuse = max(dot(vec3(-1.0, -0.4, 0.5), bump), 0.0);
+		float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
+		color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse;
+	} else {
+		color = texture2D(baseTexture, uv).rgb;
+	}
+
+	float alpha = gl_Color.a;
+	vec4 col = vec4(color.r, color.g, color.b, alpha);
+	col *= gl_Color;
+	col = col * col; // SRGB -> Linear
+	col *= 1.8;
+	col.r = 1.0 - exp(1.0 - col.r) / e;
+	col.g = 1.0 - exp(1.0 - col.g) / e;
+	col.b = 1.0 - exp(1.0 - col.b) / e;
+	col = sqrt(col); // Linear -> SRGB
+	if(fogDistance != 0.0){
+		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
+		alpha = mix(alpha, 0.0, d);
+	}
+    gl_FragColor = vec4(col.r, col.g, col.b, alpha); 
+}
diff --git a/client/shaders/test_shader_1/opengl_vertex.glsl b/client/shaders/liquids_shader/opengl_vertex.glsl
similarity index 53%
rename from client/shaders/test_shader_1/opengl_vertex.glsl
rename to client/shaders/liquids_shader/opengl_vertex.glsl
index 3cf1f122b..8ceb9f2cb 100644
--- a/client/shaders/test_shader_1/opengl_vertex.glsl
+++ b/client/shaders/liquids_shader/opengl_vertex.glsl
@@ -1,15 +1,33 @@
+#version 120
 
 uniform mat4 mWorldViewProj;
 uniform mat4 mInvWorld;
 uniform mat4 mTransWorld;
 uniform float dayNightRatio;
+uniform float animationTimer;
+
+uniform float enableWavingWater;
+uniform float waterWaveLength;
+uniform float waterWaveHeight;
+uniform float waterWaveSpeed;
+
+uniform vec3 eyePosition;
 
 varying vec3 vPosition;
+varying vec3 eyeVec;
 
 void main(void)
 {
-	gl_Position = mWorldViewProj * gl_Vertex;
-
+	if (enableWavingWater == 1.0){
+		vec4 pos2 = gl_Vertex;
+		pos2.y -= 2.0;
+		pos2.y -= sin (pos2.z/waterWaveLength + animationTimer * waterWaveSpeed * waterWaveLength) * waterWaveHeight
+			+ sin ((pos2.z/waterWaveLength + animationTimer * waterWaveSpeed * waterWaveLength) / 7.0) * waterWaveHeight;
+		gl_Position = mWorldViewProj * pos2;
+	} else
+		gl_Position = mWorldViewProj * gl_Vertex;
+
+	eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
 	vPosition = (mWorldViewProj * gl_Vertex).xyz;
 
 	vec4 color;
@@ -24,7 +42,7 @@ void main(void)
 	color.b = color.r;*/
 
 	float rg = mix(night, day, dayNightRatio);
-	rg += light_source * 1.0; // Make light sources brighter
+	rg += light_source * 2.5; // Make light sources brighter
 	float b = rg;
 
 	// Moonlight is blue
@@ -39,20 +57,13 @@ void main(void)
 	// See C++ implementation in mapblock_mesh.cpp finalColorBlend()
 	rg += max(0.0, (1.0 - abs(rg - 0.85)/0.15) * 0.065);
 
-	color.r = rg;
-	color.g = rg;
-	color.b = b;
-
-	// Make sides and bottom darker than the top
-	color = color * color; // SRGB -> Linear
-	if(gl_Normal.y <= 0.5)
-		color *= 0.6;
-		//color *= 0.7;
-	color = sqrt(color); // Linear -> SRGB
-
+	color.r = clamp(rg,0.0,1.0);
+	color.g = clamp(rg,0.0,1.0);
+	color.b = clamp(b,0.0,1.0);
 	color.a = gl_Color.a;
 
 	gl_FrontColor = gl_BackColor = color;
 
 	gl_TexCoord[0] = gl_MultiTexCoord0;
+
 }
diff --git a/client/shaders/test_shader_1/base.txt b/client/shaders/plants_shader/base.txt
similarity index 100%
rename from client/shaders/test_shader_1/base.txt
rename to client/shaders/plants_shader/base.txt
diff --git a/client/shaders/plants_shader/opengl_fragment.glsl b/client/shaders/plants_shader/opengl_fragment.glsl
new file mode 100644
index 000000000..de6ad4c05
--- /dev/null
+++ b/client/shaders/plants_shader/opengl_fragment.glsl
@@ -0,0 +1,53 @@
+#version 120
+
+uniform sampler2D baseTexture;
+uniform sampler2D normalTexture;
+uniform sampler2D useNormalmap;
+
+uniform float enableBumpmapping;
+
+uniform vec4 skyBgColor;
+uniform float fogDistance;
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+
+const float e = 2.718281828459;
+
+void main (void)
+{
+	float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
+	float enable_bumpmapping = enableBumpmapping;
+
+	vec3 color;
+	vec2 uv = gl_TexCoord[0].st;
+
+	if ((enable_bumpmapping == 1.0) && (use_normalmap > 0.0)) {
+		vec3 base = texture2D(baseTexture, uv).rgb;
+		vec3 vVec = normalize(eyeVec);
+		vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
+		vec3 R = reflect(-vVec, bump);
+		vec3 lVec = normalize(vVec);
+		float diffuse = max(dot(lVec, bump), 0.0);
+		float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
+		color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse;
+	} else {
+		color = texture2D(baseTexture, uv).rgb;
+	}
+
+	float alpha = texture2D(baseTexture, uv).a;
+	vec4 col = vec4(color.r, color.g, color.b, alpha);
+	col *= gl_Color;
+	col = col * col; // SRGB -> Linear
+	col *= 1.8;
+	col.r = 1.0 - exp(1.0 - col.r) / e;
+	col.g = 1.0 - exp(1.0 - col.g) / e;
+	col.b = 1.0 - exp(1.0 - col.b) / e;
+	col = sqrt(col); // Linear -> SRGB
+	if(fogDistance != 0.0){
+		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
+		col = mix(col, skyBgColor, d);
+	}
+    gl_FragColor = vec4(col.r, col.g, col.b, alpha);   
+}
diff --git a/client/shaders/plants_shader/opengl_vertex.glsl b/client/shaders/plants_shader/opengl_vertex.glsl
new file mode 100644
index 000000000..c1bdd62a9
--- /dev/null
+++ b/client/shaders/plants_shader/opengl_vertex.glsl
@@ -0,0 +1,87 @@
+#version 120
+
+uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+uniform float dayNightRatio;
+uniform float animationTimer;
+
+uniform float enableWavingPlants;
+
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+
+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;  
+} 
+
+void main(void)
+{
+
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	if (enableWavingPlants == 1.0){
+		vec4 pos = gl_Vertex;
+		vec4 pos2 = mTransWorld * 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;
+
+	vPosition = (mWorldViewProj * gl_Vertex).xyz;
+	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 *= 0.7;
+	color = sqrt(color); // Linear -> SRGB
+
+	color.a = gl_Color.a;
+
+	gl_FrontColor = gl_BackColor = color;
+
+}
diff --git a/client/shaders/solids_shader/base.txt b/client/shaders/solids_shader/base.txt
new file mode 100644
index 000000000..080df30dd
--- /dev/null
+++ b/client/shaders/solids_shader/base.txt
@@ -0,0 +1 @@
+trans_alphach_ref
diff --git a/client/shaders/solids_shader/opengl_fragment.glsl b/client/shaders/solids_shader/opengl_fragment.glsl
new file mode 100644
index 000000000..80efc86a7
--- /dev/null
+++ b/client/shaders/solids_shader/opengl_fragment.glsl
@@ -0,0 +1,87 @@
+#version 120
+
+uniform sampler2D baseTexture;
+uniform sampler2D normalTexture;
+uniform sampler2D useNormalmap;
+
+uniform float enableBumpmapping;
+uniform float enableParallaxOcclusion;
+uniform float parallaxOcclusionScale;
+uniform float parallaxOcclusionBias;
+
+
+uniform vec4 skyBgColor;
+uniform float fogDistance;
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 tsEyeVec;
+varying vec3 eyeVec;
+varying vec4 vColor;
+
+const float e = 2.718281828459;
+
+void main (void)
+{
+	float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
+	float enable_bumpmapping = enableBumpmapping;
+
+	vec3 color;
+	vec2 uv = gl_TexCoord[0].st;
+	float height;
+	vec2 tsEye = vec2(tsEyeVec.x,-tsEyeVec.y);
+	
+	if ((enableParallaxOcclusion == 1.0) && (use_normalmap > 0.0)) {
+		float map_height = texture2D(normalTexture, uv).a;
+			if (map_height < 1.0){
+				float height = parallaxOcclusionScale * map_height - parallaxOcclusionBias;
+				uv = uv + height * tsEye;
+			}
+	}
+/* Steep parallax code, for future use
+	if ((parallaxMappingMode == 2.0) && (use_normalmap > 0.0)) {
+		const float numSteps = 40.0;
+		float height = 1.0;
+		float step = 1.0 / numSteps;
+		vec4 NB = texture2D(normalTexture, uv);
+		vec2 delta = tsEye * parallaxMappingScale / numSteps;
+		for (float i = 0.0; i < numSteps; i++) {
+		if (NB.a < height) {
+			height -= step;
+			uv += delta;
+			NB = texture2D(normalTexture, uv);
+		} else {
+			break;
+		}
+		}
+	}
+*/
+
+	if ((enable_bumpmapping == 1.0) && (use_normalmap > 0.0)) {
+		vec3 base = texture2D(baseTexture, uv).rgb;
+		vec3 vVec = normalize(eyeVec);
+		vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
+		vec3 R = reflect(-vVec, bump);
+		vec3 lVec = normalize(vVec);
+		float diffuse = max(dot(lVec, bump), 0.0);
+		float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
+		color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse;
+	} else {
+		color = texture2D(baseTexture, uv).rgb;
+	}
+
+	float alpha = texture2D(baseTexture, uv).a;
+	vec4 col = vec4(color.r, color.g, color.b, alpha);
+	col *= gl_Color;
+	col = col * col; // SRGB -> Linear
+	col *= 1.8;
+	col.r = 1.0 - exp(1.0 - col.r) / e;
+	col.g = 1.0 - exp(1.0 - col.g) / e;
+	col.b = 1.0 - exp(1.0 - col.b) / e;
+	col = sqrt(col); // Linear -> SRGB
+	if(fogDistance != 0.0){
+		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
+		col = mix(col, skyBgColor, d);
+	}
+    gl_FragColor = vec4(col.r, col.g, col.b, alpha);   
+}
diff --git a/client/shaders/solids_shader/opengl_vertex.glsl b/client/shaders/solids_shader/opengl_vertex.glsl
new file mode 100644
index 000000000..c26fdd3d5
--- /dev/null
+++ b/client/shaders/solids_shader/opengl_vertex.glsl
@@ -0,0 +1,99 @@
+#version 120
+
+uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+uniform float dayNightRatio;
+
+uniform vec3 eyePosition;
+
+varying vec3 vPosition;
+varying vec3 eyeVec;
+varying vec3 tsEyeVec;
+
+void main(void)
+{
+	gl_Position = mWorldViewProj * gl_Vertex;
+	vPosition = (mWorldViewProj * gl_Vertex).xyz;
+
+	vec3 normal,tangent,binormal; 
+	normal = normalize(gl_NormalMatrix * gl_Normal);
+
+	if (gl_Normal.x > 0.5) {
+		//  1.0,  0.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 0.0,  0.0, -1.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	} else if (gl_Normal.x < -0.5) {
+		// -1.0,  0.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 0.0,  0.0,  1.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	} else if (gl_Normal.y > 0.5) {
+		//  0.0,  1.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0,  0.0,  1.0));
+	} else if (gl_Normal.y < -0.5) {
+		//  0.0, -1.0,  0.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0,  0.0,  1.0));
+	} else if (gl_Normal.z > 0.5) {
+		//  0.0,  0.0,  1.0
+		tangent  = normalize(gl_NormalMatrix * vec3( 1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	} else if (gl_Normal.z < -0.5) {
+		//  0.0,  0.0, -1.0
+		tangent  = normalize(gl_NormalMatrix * vec3(-1.0,  0.0,  0.0));
+		binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0,  0.0));
+	}
+	
+	mat3 tbnMatrix = mat3(tangent.x, binormal.x, normal.x,
+                          tangent.y, binormal.y, normal.y,
+                          tangent.z, binormal.z, normal.z);
+
+	eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
+	tsEyeVec = normalize(eyeVec * tbnMatrix);
+	
+	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 *= 0.7;
+	color = sqrt(color); // Linear -> SRGB
+
+	color.a = gl_Color.a;
+
+	gl_FrontColor = gl_BackColor = color;
+
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+
+}
diff --git a/client/shaders/test_shader_1/opengl_fragment.glsl b/client/shaders/test_shader_1/opengl_fragment.glsl
deleted file mode 100644
index ebf943ced..000000000
--- a/client/shaders/test_shader_1/opengl_fragment.glsl
+++ /dev/null
@@ -1,25 +0,0 @@
-
-uniform sampler2D myTexture;
-uniform vec4 skyBgColor;
-uniform float fogDistance;
-
-varying vec3 vPosition;
-
-void main (void)
-{
-    //vec4 col = vec4(1.0, 0.0, 0.0, 1.0);
-    vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));
-	float a = col.a;
-    col *= gl_Color;
-	col = col * col; // SRGB -> Linear
-	col *= 1.8;
-	col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);
-	col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);
-	col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);
-	col = sqrt(col); // Linear -> SRGB
-	if(fogDistance != 0.0){
-		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
-		col = mix(col, skyBgColor, d);
-	}
-    gl_FragColor = vec4(col.r, col.g, col.b, a);
-}
diff --git a/client/shaders/test_shader_2/opengl_fragment.glsl b/client/shaders/test_shader_2/opengl_fragment.glsl
deleted file mode 100644
index 38bc94311..000000000
--- a/client/shaders/test_shader_2/opengl_fragment.glsl
+++ /dev/null
@@ -1,23 +0,0 @@
-
-uniform sampler2D myTexture;
-uniform float fogDistance;
-
-varying vec3 vPosition;
-
-void main (void)
-{
-    vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));
-    col *= gl_Color;
-	float a = gl_Color.a;
-	col = col * col; // SRGB -> Linear
-	col *= 1.8;
-	col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);
-	col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);
-	col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);
-	col = sqrt(col); // Linear -> SRGB
-	if(fogDistance != 0.0){
-		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
-		a = mix(a, 0.0, d);
-	}
-	gl_FragColor = vec4(col.r, col.g, col.b, a);
-}
diff --git a/client/shaders/test_shader_2/opengl_vertex.glsl b/client/shaders/test_shader_2/opengl_vertex.glsl
deleted file mode 100644
index 2881bad21..000000000
--- a/client/shaders/test_shader_2/opengl_vertex.glsl
+++ /dev/null
@@ -1,51 +0,0 @@
-
-uniform mat4 mWorldViewProj;
-uniform mat4 mInvWorld;
-uniform mat4 mTransWorld;
-uniform float dayNightRatio;
-
-varying vec3 vPosition;
-
-void main(void)
-{
-	gl_Position = mWorldViewProj * gl_Vertex;
-
-	vPosition = (mWorldViewProj * 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 * 1.0; // 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 = rg;
-	color.g = rg;
-	color.b = b;
-
-	color.a = gl_Color.a;
-
-	gl_FrontColor = gl_BackColor = color;
-
-	gl_TexCoord[0] = gl_MultiTexCoord0;
-}
diff --git a/client/shaders/test_shader_3/base.txt b/client/shaders/test_shader_3/base.txt
deleted file mode 100644
index 1c2647118..000000000
--- a/client/shaders/test_shader_3/base.txt
+++ /dev/null
@@ -1 +0,0 @@
-trans_alphach
diff --git a/client/shaders/test_shader_3/opengl_fragment.glsl b/client/shaders/test_shader_3/opengl_fragment.glsl
deleted file mode 100644
index 535774c11..000000000
--- a/client/shaders/test_shader_3/opengl_fragment.glsl
+++ /dev/null
@@ -1,25 +0,0 @@
-
-uniform sampler2D myTexture;
-uniform float fogDistance;
-
-varying vec3 vPosition;
-
-void main (void)
-{
-	vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));
-	col *= gl_Color;
-	float a = col.a;
-	col = col * col; // SRGB -> Linear
-	col *= 1.8;
-	col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);
-	col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);
-	col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);
-	col = sqrt(col); // Linear -> SRGB
-
-	if(fogDistance != 0.0){
-		float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
-		a = mix(a, 0.0, d);
-	}
-
-	gl_FragColor = vec4(col.r, col.g, col.b, a);
-}
diff --git a/client/shaders/test_shader_3/opengl_vertex.glsl b/client/shaders/test_shader_3/opengl_vertex.glsl
deleted file mode 100644
index 2881bad21..000000000
--- a/client/shaders/test_shader_3/opengl_vertex.glsl
+++ /dev/null
@@ -1,51 +0,0 @@
-
-uniform mat4 mWorldViewProj;
-uniform mat4 mInvWorld;
-uniform mat4 mTransWorld;
-uniform float dayNightRatio;
-
-varying vec3 vPosition;
-
-void main(void)
-{
-	gl_Position = mWorldViewProj * gl_Vertex;
-
-	vPosition = (mWorldViewProj * 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 * 1.0; // 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 = rg;
-	color.g = rg;
-	color.b = b;
-
-	color.a = gl_Color.a;
-
-	gl_FrontColor = gl_BackColor = color;
-
-	gl_TexCoord[0] = gl_MultiTexCoord0;
-}
diff --git a/minetest.conf.example b/minetest.conf.example
index 69ed31a64..46a9e8cfc 100644
--- a/minetest.conf.example
+++ b/minetest.conf.example
@@ -171,6 +171,22 @@
 #enable_shaders = true
 # Set to true to enable textures bumpmapping. Requires shaders enabled.
 #enable_bumpmapping = false
+# Set to true enables parallax occlusion mapping. Requires shaders enabled.
+#enable_parallax_occlusion = false
+# Scale of parallax occlusion effect
+#parallax_mapping_scale = 0.08
+# Bias of parallax occlusion effect, usually scale/2
+#parallax_mapping_scale = 0.04
+# Set to true enables waving water. Requires shaders enabled.
+#enable_waving_water = false
+# Parameters for waving water:
+#water_wave_height = 1.0
+#water_wave_length = 20.0
+#water_wave_speed = 5.0
+# Set to true enables waving leaves. Requires shaders enabled.
+#enable_waving_leaves = false
+# Set to true enables waving plants. Requires shaders enabled.
+#enable_waving_plants = false
 # The time in seconds it takes between repeated
 # right clicks when holding the right mouse button
 #repeat_rightclick_time = 0.25
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index df7570b33..68350bec0 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -126,6 +126,15 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("trilinear_filter", "false");
 	settings->setDefault("preload_item_visuals", "true");
 	settings->setDefault("enable_bumpmapping", "false");
+	settings->setDefault("enable_parallax_occlusion", "false");
+	settings->setDefault("parallax_occlusion_scale", "0.08");
+	settings->setDefault("parallax_occlusion_bias", "0.04");
+	settings->setDefault("enable_waving_water", "false");
+	settings->setDefault("water_wave_height", "1.0");
+	settings->setDefault("water_wave_length", "20.0");
+	settings->setDefault("water_wave_speed", "5.0");
+	settings->setDefault("enable_waving_leaves", "false");
+	settings->setDefault("enable_waving_plants", "false");
 	settings->setDefault("enable_shaders", "true");
 	settings->setDefault("repeat_rightclick_time", "0.25");
 	settings->setDefault("enable_particles", "true");
diff --git a/src/game.cpp b/src/game.cpp
index 71a578a65..22abe4c74 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -805,13 +805,64 @@ public:
 		float daynight_ratio_f = (float)daynight_ratio / 1000.0;
 		services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
 		
+		u32 animation_timer = porting::getTimeMs() % 100000;
+		float animation_timer_f = (float)animation_timer / 100000.0;
+		services->setPixelShaderConstant("animationTimer", &animation_timer_f, 1);
+		services->setVertexShaderConstant("animationTimer", &animation_timer_f, 1);
+
+		LocalPlayer* player = m_client->getEnv().getLocalPlayer();
+		v3f eye_position = player->getEyePosition(); 
+		services->setPixelShaderConstant("eyePosition", (irr::f32*)&eye_position, 3);
+		services->setVertexShaderConstant("eyePosition", (irr::f32*)&eye_position, 3);
+
+		float enable_bumpmapping = 0;
+		if (g_settings->getBool("enable_bumpmapping"))
+			enable_bumpmapping = 1;
+		services->setPixelShaderConstant("enableBumpmapping", &enable_bumpmapping, 1);
+
+		float enable_parallax_occlusion = 0;
+		if  (g_settings->getBool("enable_parallax_occlusion"));{
+			enable_parallax_occlusion = 1;
+			float parallax_occlusion_scale = g_settings->getFloat("parallax_occlusion_scale");
+			services->setPixelShaderConstant("parallaxOcclusionScale", &parallax_occlusion_scale, 1);
+			float parallax_occlusion_bias = g_settings->getFloat("parallax_occlusion_bias");
+			services->setPixelShaderConstant("parallaxOcclusionBias", &parallax_occlusion_bias, 1);
+		}
+		services->setPixelShaderConstant("enableParallaxOcclusion", &enable_parallax_occlusion, 1);
+
+		float enable_waving_water = 0;
+		if (g_settings->getBool("enable_waving_water")){
+			enable_waving_water = 1;
+			float water_wave_height_f = g_settings->getFloat("water_wave_height");
+			services->setVertexShaderConstant("waterWaveHeight", &water_wave_height_f, 1);
+			float water_wave_length_f = g_settings->getFloat("water_wave_length");
+			services->setVertexShaderConstant("waterWaveLength", &water_wave_length_f, 1);
+			float water_wave_speed_f = g_settings->getFloat("water_wave_speed");
+			services->setVertexShaderConstant("waterWaveSpeed", &water_wave_speed_f, 1);
+		}
+		services->setVertexShaderConstant("enableWavingWater", &enable_waving_water, 1);
+
+		float enable_waving_leaves = 0;
+		if (g_settings->getBool("enable_waving_leaves"))
+			enable_waving_leaves = 1;
+		services->setVertexShaderConstant("enableWavingLeaves", &enable_waving_leaves, 1);
+
+		float enable_waving_plants = 0;
+		if (g_settings->getBool("enable_waving_plants"))
+			enable_waving_plants = 1;
+		services->setVertexShaderConstant("enableWavingPlants", &enable_waving_plants, 1);
+
+
 		// Normal map texture layer
-		int layer = 1;
+		int layer1 = 1;
+		int layer2 = 2;
 		// before 1.8 there isn't a "integer interface", only float
 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
-		services->setPixelShaderConstant("normalTexture" , (irr::f32*)&layer, 1);
+		services->setPixelShaderConstant("normalTexture" , (irr::f32*)&layer1, 1);
+		services->setPixelShaderConstant("useNormalmap" , (irr::f32*)&layer2, 1);
 #else
-		services->setPixelShaderConstant("normalTexture" , (irr::s32*)&layer, 1);
+		services->setPixelShaderConstant("normalTexture" , (irr::s32*)&layer1, 1);
+		services->setPixelShaderConstant("useNormalmap" , (irr::s32*)&layer2, 1);
 #endif
 	}
 };
diff --git a/src/itemdef.cpp b/src/itemdef.cpp
index d34d68582..f77a198b5 100644
--- a/src/itemdef.cpp
+++ b/src/itemdef.cpp
@@ -390,16 +390,18 @@ public:
 			/*
 				Make a mesh from the node
 			*/
+			bool reenable_shaders = false;
+			if(g_settings->getBool("enable_shaders")){
+				reenable_shaders = true;
+				g_settings->setBool("enable_shaders",false);
+			}
 			MeshMakeData mesh_make_data(gamedef);
 			MapNode mesh_make_node(id, param1, 0);
 			mesh_make_data.fillSingleNode(&mesh_make_node);
 			MapBlockMesh mapblock_mesh(&mesh_make_data);
-
 			scene::IMesh *node_mesh = mapblock_mesh.getMesh();
 			assert(node_mesh);
 			video::SColor c(255, 255, 255, 255);
-			if(g_settings->getBool("enable_shaders"))
-				c = MapBlock_LightColor(255, 0xffff, decode_light(f.light_source));
 			setMeshColor(node_mesh, c);
 
 			/*
@@ -455,6 +457,9 @@ public:
 
 			//no way reference count can be smaller than 2 in this place!
 			assert(cc->wield_mesh->getReferenceCount() >= 2);
+
+			if (reenable_shaders)
+				g_settings->setBool("enable_shaders",true);
 		}
 
 		// Put in cache
diff --git a/src/mapblock_mesh.cpp b/src/mapblock_mesh.cpp
index 253703ddc..81aac72d7 100644
--- a/src/mapblock_mesh.cpp
+++ b/src/mapblock_mesh.cpp
@@ -1112,18 +1112,18 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
 	bool enable_shaders     = g_settings->getBool("enable_shaders");
 	bool enable_bumpmapping = g_settings->getBool("enable_bumpmapping");
 
-	video::E_MATERIAL_TYPE  shadermat1, shadermat2, shadermat3, bumpmaps1, bumpmaps2;
-	shadermat1 = shadermat2 = shadermat3 = bumpmaps1 = bumpmaps2 = video::EMT_SOLID;
+	video::E_MATERIAL_TYPE  shadermat1, shadermat2, shadermat3,
+							shadermat4, shadermat5;
+	shadermat1 = shadermat2 = shadermat3 = shadermat4 = shadermat5 = 
+		video::EMT_SOLID;
 
 	if (enable_shaders) {
 		IShaderSource *shdrsrc = m_gamedef->getShaderSource();
-		shadermat1 = shdrsrc->getShader("test_shader_1").material;
-		shadermat2 = shdrsrc->getShader("test_shader_2").material;
-		shadermat3 = shdrsrc->getShader("test_shader_3").material;
-		if (enable_bumpmapping) {
-			bumpmaps1 = shdrsrc->getShader("bumpmaps_solids").material;
-			bumpmaps2 = shdrsrc->getShader("bumpmaps_liquids").material;
-		}
+		shadermat1 = shdrsrc->getShader("solids_shader").material;
+		shadermat2 = shdrsrc->getShader("liquids_shader").material;
+		shadermat3 = shdrsrc->getShader("alpha_shader").material;
+		shadermat4 = shdrsrc->getShader("leaves_shader").material;
+		shadermat5 = shdrsrc->getShader("plants_shader").material;
 	}
 
 	for(u32 i = 0; i < collector.prebuffers.size(); i++)
@@ -1204,22 +1204,18 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
 		material.setFlag(video::EMF_FOG_ENABLE, true);
 		//material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_OFF);
 		//material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_SIMPLE);
-		material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+		//material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 		material.setTexture(0, p.tile.texture);
-	
+
 		if (enable_shaders) {
-			video::E_MATERIAL_TYPE smat1 = shadermat1;
-			video::E_MATERIAL_TYPE smat2 = shadermat2;
-			video::E_MATERIAL_TYPE smat3 = shadermat3;
-			
+			ITextureSource *tsrc = data->m_gamedef->tsrc();
+			material.setTexture(2, tsrc->getTexture("disable_img.png"));
 			if (enable_bumpmapping) {
-				ITextureSource *tsrc = data->m_gamedef->tsrc();
 				std::string fname_base = tsrc->getTextureName(p.tile.texture_id);
-
 				std::string normal_ext = "_normal.png";
 				size_t pos = fname_base.find(".");
 				std::string fname_normal = fname_base.substr(0, pos) + normal_ext;
-				
+
 				if (tsrc->isKnownSourceImage(fname_normal)) {
 					// look for image extension and replace it 
 					size_t i = 0;
@@ -1227,19 +1223,15 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
 						fname_base.replace(i, 4, normal_ext);
 						i += normal_ext.length();
 					}
-					
 					material.setTexture(1, tsrc->getTexture(fname_base));
-					
-					smat1 = bumpmaps1;
-					smat2 = bumpmaps2;
+					material.setTexture(2, tsrc->getTexture("enable_img.png"));
 				}
 			}
-			
-			p.tile.applyMaterialOptionsWithShaders(material, smat1, smat2, smat3);
+			p.tile.applyMaterialOptionsWithShaders(material,
+				shadermat1, shadermat2, shadermat3, shadermat4, shadermat5);
 		} else {
 			p.tile.applyMaterialOptions(material);
 		}
-
 		// Create meshbuffer
 
 		// This is a "Standard MeshBuffer",
@@ -1369,18 +1361,21 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
 		os<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
 		// Set the texture
 		buf->getMaterial().setTexture(0, tsrc->getTexture(os.str()));
+		buf->getMaterial().setTexture(2, tsrc->getTexture("disable_img.png"));
 		if (enable_shaders && enable_bumpmapping)
 			{
-				std::string basename,normal;
-				basename = tsrc->getTextureName(tile.texture_id);
+				std::string fname_base,fname_normal;
+				fname_base = tsrc->getTextureName(tile.texture_id);
 				unsigned pos;
-				pos = basename.find(".");
-				normal = basename.substr (0, pos);
-				normal += "_normal.png";
-				os.str("");
-				os<<normal<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
-				if (tsrc->isKnownSourceImage(normal))
+				pos = fname_base.find(".");
+				fname_normal = fname_base.substr (0, pos);
+				fname_normal += "_normal.png";
+				if (tsrc->isKnownSourceImage(fname_normal)){
+					os.str("");
+					os<<fname_normal<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
 					buf->getMaterial().setTexture(1, tsrc->getTexture(os.str()));
+					buf->getMaterial().setTexture(2, tsrc->getTexture("enable_img.png"));
+				}
 			}
 	}
 
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index d13d0653d..2b6de0461 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -225,6 +225,7 @@ void ContentFeatures::reset()
 	damage_per_second = 0;
 	node_box = NodeBox();
 	selection_box = NodeBox();
+	waving = 0;
 	legacy_facedir_simple = false;
 	legacy_wallmounted = false;
 	sound_footstep = SimpleSoundSpec();
@@ -292,6 +293,7 @@ void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
 	writeU8(os, liquid_range);
 	// Stuff below should be moved to correct place in a version that otherwise changes
 	// the protocol version
+	writeU8(os, waving);
 }
 
 void ContentFeatures::deSerialize(std::istream &is)
@@ -359,6 +361,7 @@ void ContentFeatures::deSerialize(std::istream &is)
 	try{
 		// Stuff below should be moved to correct place in a version that
 		// otherwise changes the protocol version
+	waving = readU8(is);
 	}catch(SerializationError &e) {};
 }
 
@@ -618,6 +621,9 @@ public:
 			}
 
 			bool is_liquid = false;
+			u8 material_type;
+			material_type = (f->alpha == 255) ? TILE_MATERIAL_BASIC : TILE_MATERIAL_ALPHA;
+
 			switch(f->drawtype){
 			default:
 			case NDT_NORMAL:
@@ -669,10 +675,14 @@ public:
 						tiledef[i].name += std::string("^[noalpha");
 					}
 				}
+				if (f->waving == 1)
+					material_type = TILE_MATERIAL_LEAVES;
 				break;
 			case NDT_PLANTLIKE:
 				f->solidness = 0;
 				f->backface_culling = false;
+				if (f->waving == 1)
+					material_type = TILE_MATERIAL_PLANTS;
 				break;
 			case NDT_TORCHLIKE:
 			case NDT_SIGNLIKE:
@@ -683,11 +693,8 @@ public:
 				break;
 			}
 
-			u8 material_type;
 			if (is_liquid)
 				material_type = (f->alpha == 255) ? TILE_MATERIAL_LIQUID_OPAQUE : TILE_MATERIAL_LIQUID_TRANSPARENT;
-			else
-				material_type = (f->alpha == 255) ? TILE_MATERIAL_BASIC : TILE_MATERIAL_ALPHA;
 
 			// Tiles (fill in f->tiles[])
 			for(u16 j=0; j<6; j++){
diff --git a/src/nodedef.h b/src/nodedef.h
index c0322d919..d4cd66f80 100644
--- a/src/nodedef.h
+++ b/src/nodedef.h
@@ -234,6 +234,8 @@ struct ContentFeatures
 	u32 damage_per_second;
 	NodeBox node_box;
 	NodeBox selection_box;
+	// Used for waving leaves/plants
+	u8 waving;
 	// Compatibility with old maps
 	// Set to true if paramtype used to be 'facedir_simple'
 	bool legacy_facedir_simple;
diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp
index fd98e9480..d58479042 100644
--- a/src/script/common/c_content.cpp
+++ b/src/script/common/c_content.cpp
@@ -428,6 +428,9 @@ ContentFeatures read_content_features(lua_State *L, int index)
 		f.selection_box = read_nodebox(L, -1);
  	lua_pop(L, 1);
 
+	f.waving = getintfield_default(L, index,
+			"waving", f.waving);
+
 	// Set to true if paramtype used to be 'facedir_simple'
 	getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
 	// Set to true if wall_mounted used to be set to true
diff --git a/src/tile.h b/src/tile.h
index 90e180a48..b748c092e 100644
--- a/src/tile.h
+++ b/src/tile.h
@@ -136,6 +136,8 @@ enum MaterialType{
 	TILE_MATERIAL_ALPHA,
 	TILE_MATERIAL_LIQUID_TRANSPARENT,
 	TILE_MATERIAL_LIQUID_OPAQUE,
+	TILE_MATERIAL_LEAVES,
+	TILE_MATERIAL_PLANTS
 };
 
 // Material flags
@@ -204,13 +206,21 @@ struct TileSpec
 		case TILE_MATERIAL_LIQUID_OPAQUE:
 			material.MaterialType = video::EMT_SOLID;
 			break;
+		case TILE_MATERIAL_LEAVES:
+			material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+			break;
+		case TILE_MATERIAL_PLANTS:
+			material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+		break;
 		}
 		material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
 	}
 	void applyMaterialOptionsWithShaders(video::SMaterial &material,
 			const video::E_MATERIAL_TYPE &basic,
 			const video::E_MATERIAL_TYPE &liquid,
-			const video::E_MATERIAL_TYPE &alpha) const
+			const video::E_MATERIAL_TYPE &alpha,
+			const video::E_MATERIAL_TYPE &leaves,
+			const video::E_MATERIAL_TYPE &plants) const
 	{
 		switch(material_type){
 		case TILE_MATERIAL_BASIC:
@@ -225,6 +235,12 @@ struct TileSpec
 		case TILE_MATERIAL_LIQUID_OPAQUE:
 			material.MaterialType = liquid;
 			break;
+		case TILE_MATERIAL_LEAVES:
+			material.MaterialType = leaves;
+			break;
+		case TILE_MATERIAL_PLANTS:
+			material.MaterialType = plants;
+			break;
 		}
 		material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
 	}
diff --git a/textures/base/pack/disable_img.png b/textures/base/pack/disable_img.png
new file mode 100644
index 0000000000000000000000000000000000000000..4d3a1b45ddb50404cf74ae6d05a934ab2727d033
GIT binary patch
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literal 0
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diff --git a/textures/base/pack/enable_img.png b/textures/base/pack/enable_img.png
new file mode 100644
index 0000000000000000000000000000000000000000..e07f4e9dda6e3b88c6b95368cea5aca3e826d798
GIT binary patch
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literal 0
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-- 
2.25.1