From 9b0edf439a9d5f5298112191c75d392a6b904121 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 9 Apr 2013 12:12:02 -0700
Subject: Add shaders from warzone2100.

---
 COPYING                           |   1 +
 shaders/warzone2100/1.shader_test | 103 ++++++++++++++++++++++++++++++++++++++
 shaders/warzone2100/4.shader_test |  51 +++++++++++++++++++
 3 files changed, 155 insertions(+)
 create mode 100644 shaders/warzone2100/1.shader_test
 create mode 100644 shaders/warzone2100/4.shader_test

diff --git a/COPYING b/COPYING
index feaf090..bb72bb2 100644
--- a/COPYING
+++ b/COPYING
@@ -1,6 +1,7 @@
 shaders/0ad/*:
 shaders/gst-gl-*:
 shaders/supertuxkart/*:
+shaders/warzone2100/*:
 /*
  * GStreamer
  * Copyright (C) 2007 David A. Schleef <ds@schleef.org>
diff --git a/shaders/warzone2100/1.shader_test b/shaders/warzone2100/1.shader_test
new file mode 100644
index 0000000..c7b7d72
--- /dev/null
+++ b/shaders/warzone2100/1.shader_test
@@ -0,0 +1,103 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+#version 120
+#pragma debug(on)
+
+varying float vertexDistance;
+varying vec3 normal, lightDir, eyeVec;
+
+uniform sampler2D Texture0;
+uniform sampler2D Texture1;
+uniform sampler2D Texture2;
+uniform vec4 teamcolour;
+uniform int tcmask, normalmap;
+uniform int fogEnabled;
+uniform bool ecmEffect;
+uniform float graphicsCycle;
+
+void main(void)
+{
+	vec4 mask, colour;
+	vec4 light = (gl_FrontLightModelProduct.sceneColor * gl_FrontMaterial.ambient) + (gl_LightSource[0].ambient * gl_FrontMaterial.ambient);
+	vec3 N = normalize(normal);
+	vec3 L = normalize(lightDir);
+	float lambertTerm = dot(N, L);
+	if (lambertTerm > 0.0)
+	{
+		light += gl_LightSource[0].diffuse * gl_FrontMaterial.diffuse * lambertTerm;
+		vec3 E = normalize(eyeVec);
+		vec3 R = reflect(-L, N);
+		float specular = pow(max(dot(R, E), 0.0), gl_FrontMaterial.shininess);
+		light += gl_LightSource[0].specular * gl_FrontMaterial.specular * specular;
+	}
+
+	// Get color from texture unit 0, merge with lighting
+	colour = texture2D(Texture0, gl_TexCoord[0].st) * light;
+
+	if (tcmask == 1)
+	{
+		// Get tcmask information from texture unit 1
+		mask = texture2D(Texture1, gl_TexCoord[0].st);
+	
+		// Apply color using grain merge with tcmask
+		gl_FragColor = (colour + (teamcolour - 0.5) * mask.a) * gl_Color;
+	}
+	else
+	{
+		gl_FragColor = colour * gl_Color;
+	}
+
+	if (ecmEffect)
+	{
+		gl_FragColor.a = 0.45 + 0.225 * graphicsCycle;
+	}
+
+	if (fogEnabled > 0)
+	{
+		// Calculate linear fog
+		float fogFactor = (gl_Fog.end - vertexDistance) / (gl_Fog.end - gl_Fog.start);
+		fogFactor = clamp(fogFactor, 0.0, 1.0);
+	
+		// Return fragment color
+		gl_FragColor = mix(gl_Fog.color, gl_FragColor, fogFactor);
+	}
+}
+
+[vertex shader]
+#version 120
+#pragma debug(on)
+
+uniform float stretch;
+
+varying float vertexDistance;
+varying vec3 normal, lightDir, eyeVec;
+
+void main(void)
+{
+	vec3 vVertex = vec3(gl_ModelViewMatrix * gl_Vertex);
+	vec4 position = gl_Vertex;
+
+	// Pass texture coordinates to fragment shader
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+
+	// Lighting -- we pass these to the fragment shader
+	normal = gl_NormalMatrix * gl_Normal;
+	lightDir = vec3(gl_LightSource[0].position.xyz - vVertex);
+	eyeVec = -vVertex;
+	gl_FrontColor = gl_Color;
+
+	// Implement building stretching to accomodate terrain
+	if (position.y <= 0.0)
+	{
+		position.y -= stretch;
+	}
+	
+	// Translate every vertex according to the Model View and Projection Matrix
+	gl_Position = gl_ModelViewProjectionMatrix * position;
+
+	// Remember vertex distance
+	vertexDistance = gl_Position.z;
+}
+
diff --git a/shaders/warzone2100/4.shader_test b/shaders/warzone2100/4.shader_test
new file mode 100644
index 0000000..64dd0c5
--- /dev/null
+++ b/shaders/warzone2100/4.shader_test
@@ -0,0 +1,51 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+#version 120
+#pragma debug(on)
+
+uniform sampler2D Texture0;
+uniform sampler2D Texture1;
+uniform vec4 teamcolour;
+uniform int tcmask;
+//uniform int fogEnabled;
+
+void main(void)
+{
+	vec4 mask, colour;
+
+	// Get color from texture unit 0
+	colour = texture2D(Texture0, gl_TexCoord[0].st);
+
+	if (tcmask == 1)
+	{
+		// Get tcmask information from texture unit 1
+		mask = texture2D(Texture1, gl_TexCoord[0].st);
+	
+		// Apply color using grain merge with tcmask
+		gl_FragColor = (colour + (teamcolour - 0.5) * mask.a) * gl_Color;
+	}
+	else
+	{
+		gl_FragColor = colour * gl_Color;
+	}
+}
+
+
+[vertex shader]
+#version 120
+#pragma debug(on)
+
+void main(void)
+{
+	// Pass texture coordinates to fragment shader
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+
+	// Pass glColor to fragment shader
+	gl_FrontColor = gl_Color;
+	
+	// Translate every vertex according to the Model View and Projection Matrix
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+}
+
-- 
cgit v1.2.3