Some tweaks again.

Fix compilation errors for older OpenGL

client/shaders/liquids_shader/opengl_fragment.glsl

@@ -85,12 +85,12 @@ float fresnel_dielectric(vec3 Incoming, vec3 Normal, float eta)
 void main (void)
 {
 
-vec2 fragCoord = fragPos.xz;
+vec2 fragCoord = fragPos.xy;
 	fragCoord = clamp(fragCoord,0.002,0.998);
 	vec3 sunPos = vec3(0.0);
 	sunPos.x=sin((timeOfDay-0.5)*3.14159);
 	float timer = timeOfDay*1600;
-	cameraPos = eyePosition;
+	//cameraPos = eyePosition;
 
 	//normal map
 	vec2 nCoord = vec2(0.0); //normal coords
@@ -166,7 +166,7 @@ vec2 fragCoord = fragPos.xz;
     
     //fresnel term
     float ior = 1.333;
-    ior = (cameraPos.y>0.0)?(1.333/1.0):(1.0/1.333); //air to water; water to air
+    //ior = (cameraPos.y>0.0)?(1.333/1.0):(1.0/1.333); //air to water; water to air
     float eta = max(ior, 0.00001);
     float fresnel = fresnel_dielectric(-vVec,nVec,eta);
       

client/shaders/liquids_shader/opengl_vertex.glsl

@@ -1,14 +1,10 @@
+
 uniform mat4 mWorldViewProj;
 uniform mat4 mInvWorld;
 uniform mat4 mTransWorld;
 uniform float dayNightRatio;
-uniform float timeOfDay;
 uniform vec3 eyePosition;
-
-uniform float enableWaterWave;
-uniform float waterWaveHeight;
-uniform float waterWaveSpeed;
-uniform float waterWaveLength;
+uniform float timeOfDay;
 
 varying vec3 vPosition;
 varying vec3 viewVec;
@@ -26,16 +22,18 @@ float rand(vec2 co)
 
 void main(void)
 {
-	gl_Position = mWorldViewProj * gl_Vertex;
-	if (enableWaterWave == 1.0)
-	{
-		float height_randomness = 1.0;
-		vec4 pos2 = gl_Vertex;
-		pos2.y -= 3.0;
-		pos2.y -= sin (pos2.z/waterWaveLength + timeOfDay * waterWaveSpeed * waterWaveLength) * waterWaveHeight
-			+ sin ((pos2.z/waterWaveLength + timeOfDay * waterWaveSpeed * waterWaveLength)/7) * waterWaveHeight * height_randomness;
-		gl_Position = mWorldViewProj * pos2;
-	}
+	int wavelength = 20;
+	float waveheight = 1.0;
+	int wavespeed = 50;
+	int height_randomness = 1;
+	
+	vec4 pos2 = gl_Vertex;
+	pos2.y -= 3.0;
+	pos2.y -= sin (pos2.z/wavelength + timeOfDay * wavespeed * wavelength) * waveheight
+		+ sin ((pos2.z/wavelength + timeOfDay * wavespeed * wavelength)/7) * waveheight * height_randomness;
+	
+	gl_Position = mWorldViewProj * pos2;
+
 	vPosition = (mWorldViewProj * gl_Vertex).xyz;
 	vec3 pos = vec3(gl_Vertex);
 
@@ -51,7 +49,7 @@ void main(void)
 	worldPos = vec3(mTransWorld * gl_Vertex);
 	fragPos = ftransform();
 	viewPos = pos - gl_ModelViewMatrixInverse[3].xyz;
-	//cameraPos = eyePosition;
+	cameraPos = eyePosition;
 
 	vec4 color;
 	//color = vec4(1.0, 1.0, 1.0, 1.0);

client/shaders/solids_shader/opengl_fragment.glsl

@@ -15,21 +15,26 @@ 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 = texelFetch(useNormalmap,ivec2(1,1),0).r;
+	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 = -tsEyeVec.xy;
+	vec2 tsEye = tsEyeVec.xy;
 	
 	if ((parallaxMappingMode == 1.0) && (use_normalmap > 0.0)) {
 		float map_height = texture2D(normalTexture, uv).a;
-			float height = parallaxMappingScale * map_height - parallaxMappingBias;
-			uv = uv + height * tsEye;
+			if (map_height < 1.0){
+				float height = parallaxMappingScale * map_height - parallaxMappingBias;
+				uv = uv + height * tsEyeVec.xy;
+			}
 	}
 
 	if ((parallaxMappingMode == 2.0) && (use_normalmap > 0.0)) {
@@ -51,10 +56,10 @@ void main (void)
 
 	if ((enable_bumpmapping == 1.0) && (use_normalmap > 0.0)) {
 		vec4 base = texture2D(baseTexture, uv);
-		vec3 vVec = normalize(tsEyeVec);
+		vec3 vVec = normalize(eyeVec);
 		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));
+		vec3 lVec = normalize(vVec*2);
 		float diffuse = max(dot(lVec, bump), 0.0);
 		float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
 		color = diffuse * base + 0.1 * specular * diffuse;
@@ -64,13 +69,13 @@ void main (void)
 
 	float alpha = texture2D(baseTexture, uv).a;
 	float e_const = 2.71828;
-	vec4 col = vec4(color.r, color.g, color.b, alpha);
+	vec4 col = vec4(color.r, color.g, color.b, alpha) * vColor;
 	col *= gl_Color;
 	col = col * col; // SRGB -> Linear
 	col *= 1.8;
-	col.r = 1.0 - exp(1.0 - col.r) / e_const;
-	col.g = 1.0 - exp(1.0 - col.g) / e_const;
-	col.b = 1.0 - exp(1.0 - col.b) / e_const;
+	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));

client/shaders/solids_shader/opengl_vertex.glsl

@@ -1,13 +1,14 @@
 uniform mat4 mWorldViewProj;
 uniform mat4 mInvWorld;
 uniform mat4 mTransWorld;
-
 uniform float dayNightRatio;
+
 uniform vec3 eyePosition;
 
 varying vec3 vPosition;
 varying vec3 eyeVec;
 varying vec3 tsEyeVec;
+varying vec4 vColor;
 
 void main(void)
 {
@@ -43,9 +44,9 @@ void main(void)
 		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);
+	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);
@@ -90,7 +91,8 @@ void main(void)
 
 	color.a = gl_Color.a;
 
-	gl_FrontColor = gl_BackColor = color;
+	vColor = gl_FrontColor = gl_BackColor = color;
 
 	gl_TexCoord[0] = gl_MultiTexCoord0;
+
 }