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Normal maps generation on the fly.

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Parallax mapping with slope information.
Overriding normal maps.
This commit is contained in:
RealBadAngel 2014-03-21 01:32:00 +01:00
parent f3d83a4516
commit 0dc1aec509
16 changed files with 735 additions and 434 deletions
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28
builtin/mainmenu.lua
View File

@ -723,6 +723,9 @@ function tabbuilder.handle_settings_buttons(fields)
if fields["cb_parallax"] then if fields["cb_parallax"] then
engine.setting_set("enable_parallax_occlusion", fields["cb_parallax"]) engine.setting_set("enable_parallax_occlusion", fields["cb_parallax"])
end end
if fields["cb_generate_normalmaps"] then
engine.setting_set("generate_normalmaps", fields["cb_generate_normalmaps"])
end
if fields["cb_waving_water"] then if fields["cb_waving_water"] then
engine.setting_set("enable_waving_water", fields["cb_waving_water"]) engine.setting_set("enable_waving_water", fields["cb_waving_water"])
end end
@ -1010,27 +1013,30 @@ function tabbuilder.tab_settings()
.. dump(engine.setting_getbool("enable_shaders")) .. "]".. .. dump(engine.setting_getbool("enable_shaders")) .. "]"..
"button[1,4.5;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 if engine.setting_getbool("enable_shaders") then
tab_string = tab_string .. tab_string = tab_string ..
"checkbox[8,0.5;cb_bumpmapping;".. fgettext("Bumpmapping") .. ";" "checkbox[8,0.5;cb_bumpmapping;".. fgettext("Bumpmapping") .. ";"
.. dump(engine.setting_getbool("enable_bumpmapping")) .. "]".. .. dump(engine.setting_getbool("enable_bumpmapping")) .. "]"..
"checkbox[8,1.0;cb_parallax;".. fgettext("Parallax Occlusion") .. ";" "checkbox[8,1.0;cb_parallax;".. fgettext("Parallax Occlusion") .. ";"
.. dump(engine.setting_getbool("enable_parallax_occlusion")) .. "]".. .. dump(engine.setting_getbool("enable_parallax_occlusion")) .. "]"..
"checkbox[8,1.5;cb_waving_water;".. fgettext("Waving Water") .. ";" "checkbox[8,1.5;cb_generate_normalmaps;".. fgettext("Generate Normalmaps") .. ";"
.. dump(engine.setting_getbool("generate_normalmaps")) .. "]"..
"checkbox[8,2.0;cb_waving_water;".. fgettext("Waving Water") .. ";"
.. dump(engine.setting_getbool("enable_waving_water")) .. "]".. .. dump(engine.setting_getbool("enable_waving_water")) .. "]"..
"checkbox[8,2.0;cb_waving_leaves;".. fgettext("Waving Leaves") .. ";" "checkbox[8,2.5;cb_waving_leaves;".. fgettext("Waving Leaves") .. ";"
.. dump(engine.setting_getbool("enable_waving_leaves")) .. "]".. .. dump(engine.setting_getbool("enable_waving_leaves")) .. "]"..
"checkbox[8,2.5;cb_waving_plants;".. fgettext("Waving Plants") .. ";" "checkbox[8,3.0;cb_waving_plants;".. fgettext("Waving Plants") .. ";"
.. dump(engine.setting_getbool("enable_waving_plants")) .. "]" .. dump(engine.setting_getbool("enable_waving_plants")) .. "]"
else else
tab_string = tab_string .. tab_string = tab_string ..
"textlist[8.33,0.7;4,1;;#888888" .. fgettext("Bumpmapping") .. ";0;true]" .. "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[8.33,1.2;4,1;;#888888" .. fgettext("Parallax Occlusion") .. ";0;true]" ..
"textlist[8.33,1.7;4,1;;#888888" .. fgettext("Waving Water") .. ";0;true]" .. "textlist[8.33,1.7;4,1;;#888888" .. fgettext("Generate Normalmaps") .. ";0;true]" ..
"textlist[8.33,2.2;4,1;;#888888" .. fgettext("Waving Leaves") .. ";0;true]" .. "textlist[8.33,2.2;4,1;;#888888" .. fgettext("Waving Water") .. ";0;true]" ..
"textlist[8.33,2.7;4,1;;#888888" .. fgettext("Waving Plants") .. ";0;true]" "textlist[8.33,2.7;4,1;;#888888" .. fgettext("Waving Leaves") .. ";0;true]" ..
"textlist[8.33,3.2;4,1;;#888888" .. fgettext("Waving Plants") .. ";0;true]"
end end
return tab_string return tab_string
end end
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------

181
client/shaders/alpha_shader/opengl_fragment.glsl
View File

@ -1,71 +1,110 @@
uniform sampler2D baseTexture; uniform sampler2D baseTexture;
uniform sampler2D normalTexture; uniform sampler2D normalTexture;
uniform sampler2D useNormalmap; uniform sampler2D useNormalmap;
uniform vec4 skyBgColor; uniform vec4 skyBgColor;
uniform float fogDistance; uniform float fogDistance;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
#ifdef ENABLE_PARALLAX_OCCLUSION varying vec3 eyeVec;
varying vec3 tsEyeVec; varying vec3 tsEyeVec;
#endif varying vec3 lightVec;
varying vec3 tsLightVec;
const float e = 2.718281828459;
bool normalTexturePresent = false;
void main (void)
{ const float e = 2.718281828459;
vec3 color;
vec2 uv = gl_TexCoord[0].st; float intensity (vec3 color){
return (color.r + color.g + color.b) / 3.0;
#ifdef USE_NORMALMAPS }
float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
#endif float get_rgb_height (vec2 uv){
return intensity(texture2D(baseTexture,uv).rgb);
#ifdef ENABLE_PARALLAX_OCCLUSION }
float height;
vec2 tsEye = vec2(tsEyeVec.x,-tsEyeVec.y); vec4 get_normal_map(vec2 uv){
vec4 bump = texture2D(normalTexture, uv).rgba;
if (use_normalmap > 0.0) { bump.xyz = normalize(bump.xyz * 2.0 -1.0);
float map_height = texture2D(normalTexture, uv).a; bump.y = -bump.y;
if (map_height < 1.0){ return bump;
float height = PARALLAX_OCCLUSION_SCALE * map_height - PARALLAX_OCCLUSION_BIAS; }
uv = uv + height * tsEye;
} void main (void)
} {
#endif vec3 color;
vec4 bump;
#ifdef ENABLE_BUMPMAPPING vec2 uv = gl_TexCoord[0].st;
if (use_normalmap > 0.0) { bool use_normalmap = false;
vec3 base = texture2D(baseTexture, uv).rgb;
vec3 vVec = normalize(eyeVec); #ifdef USE_NORMALMAPS
vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0); if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){
vec3 R = reflect(-vVec, bump); normalTexturePresent = true;
vec3 lVec = normalize(vVec); }
float diffuse = max(dot(lVec, bump), 0.0); #endif
float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0);
color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse; #ifdef ENABLE_PARALLAX_OCCLUSION
} else { if (normalTexturePresent){
color = texture2D(baseTexture, uv).rgb; vec3 tsEye = normalize(tsEyeVec);
} float height = PARALLAX_OCCLUSION_SCALE * texture2D(normalTexture, uv).a - PARALLAX_OCCLUSION_BIAS;
#else uv = uv + texture2D(normalTexture, uv).z * height * vec2(tsEye.x,-tsEye.y);
color = texture2D(baseTexture, uv).rgb; }
#endif #endif
float alpha = texture2D(baseTexture, uv).a; #ifdef USE_NORMALMAPS
vec4 col = vec4(color.r, color.g, color.b, alpha); if (normalTexturePresent){
col *= gl_Color; bump = get_normal_map(uv);
col = col * col; // SRGB -> Linear use_normalmap = true;
col *= 1.8; }
col.r = 1.0 - exp(1.0 - col.r) / e; #endif
col.g = 1.0 - exp(1.0 - col.g) / e;
col.b = 1.0 - exp(1.0 - col.b) / e; #ifdef GENERATE_NORMALMAPS
col = sqrt(col); // Linear -> SRGB if (use_normalmap == false){
if(fogDistance != 0.0){ float tl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y+SAMPLE_STEP));
float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); float t = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
col = mix(col, skyBgColor, d); float tr = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y+SAMPLE_STEP));
} float r = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y));
gl_FragColor = vec4(col.r, col.g, col.b, alpha); float br = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y-SAMPLE_STEP));
} float b = get_rgb_height (vec2(uv.x,uv.y-SAMPLE_STEP));
float bl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
float l = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y));
float dX = (tr + 2.0 * r + br) - (tl + 2.0 * l + bl);
float dY = (bl + 2.0 * b + br) - (tl + 2.0 * t + tr);
bump = vec4 (normalize(vec3 (dX, -dY, NORMALMAPS_STRENGTH)),1.0);
use_normalmap = true;
}
#endif
vec4 base = texture2D(baseTexture, uv).rgba;
#ifdef ENABLE_BUMPMAPPING
if (use_normalmap){
vec3 L = normalize(lightVec);
vec3 E = normalize(eyeVec);
float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0),0.5);
float diffuse = dot(E,bump.xyz);
color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb;
} else {
color = base.rgb;
}
#else
color = base.rgb;
#endif
vec4 col = vec4(color.rgb, base.a);
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
col *= gl_Color;
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.rgb, base.a);
}

40
client/shaders/alpha_shader/opengl_vertex.glsl
View File

@ -1,27 +1,33 @@
uniform mat4 mWorldViewProj; uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld; uniform mat4 mInvWorld;
uniform mat4 mTransWorld; uniform mat4 mTransWorld;
uniform mat4 mWorld;
uniform float dayNightRatio; uniform float dayNightRatio;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
varying vec3 eyeVec;
varying vec3 lightVec;
#ifdef ENABLE_PARALLAX_OCCLUSION
varying vec3 tsEyeVec; varying vec3 tsEyeVec;
#endif varying vec3 tsLightVec;
const float BS = 10.0;
void main(void) void main(void)
{ {
gl_TexCoord[0] = gl_MultiTexCoord0;
gl_Position = mWorldViewProj * gl_Vertex; gl_Position = mWorldViewProj * gl_Vertex;
vPosition = (mWorldViewProj * gl_Vertex).xyz; vPosition = gl_Position.xyz;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz; worldPosition = (mWorld * gl_Vertex).xyz;
vec3 sunPosition = vec3 (0.0, eyePosition.y * BS + 900.0, 0.0);
#ifdef ENABLE_PARALLAX_OCCLUSION vec3 normal, tangent, binormal;
vec3 normal,tangent,binormal;
normal = normalize(gl_NormalMatrix * gl_Normal); normal = normalize(gl_NormalMatrix * gl_Normal);
if (gl_Normal.x > 0.5) { if (gl_Normal.x > 0.5) {
// 1.0, 0.0, 0.0 // 1.0, 0.0, 0.0
tangent = normalize(gl_NormalMatrix * vec3( 0.0, 0.0, -1.0)); tangent = normalize(gl_NormalMatrix * vec3( 0.0, 0.0, -1.0));
@ -47,25 +53,20 @@ void main(void)
tangent = normalize(gl_NormalMatrix * vec3(-1.0, 0.0, 0.0)); tangent = normalize(gl_NormalMatrix * vec3(-1.0, 0.0, 0.0));
binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0, 0.0)); binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0, 0.0));
} }
mat3 tbnMatrix = mat3( tangent.x, binormal.x, normal.x, mat3 tbnMatrix = mat3( tangent.x, binormal.x, normal.x,
tangent.y, binormal.y, normal.y, tangent.y, binormal.y, normal.y,
tangent.z, binormal.z, normal.z); tangent.z, binormal.z, normal.z);
tsEyeVec = normalize(eyeVec * tbnMatrix); lightVec = sunPosition - worldPosition;
#endif tsLightVec = lightVec * tbnMatrix;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
tsEyeVec = eyeVec * tbnMatrix;
vec4 color; vec4 color;
//color = vec4(1.0, 1.0, 1.0, 1.0);
float day = gl_Color.r; float day = gl_Color.r;
float night = gl_Color.g; float night = gl_Color.g;
float light_source = gl_Color.b; 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); float rg = mix(night, day, dayNightRatio);
rg += light_source * 2.5; // Make light sources brighter rg += light_source * 2.5; // Make light sources brighter
float b = rg; float b = rg;
@ -90,13 +91,8 @@ void main(void)
color = color * color; // SRGB -> Linear color = color * color; // SRGB -> Linear
if(gl_Normal.y <= 0.5) if(gl_Normal.y <= 0.5)
color *= 0.6; color *= 0.6;
//color *= 0.7;
color = sqrt(color); // Linear -> SRGB color = sqrt(color); // Linear -> SRGB
color.a = gl_Color.a; color.a = gl_Color.a;
gl_FrontColor = gl_BackColor = color; gl_FrontColor = gl_BackColor = color;
gl_TexCoord[0] = gl_MultiTexCoord0;
} }

154
client/shaders/leaves_shader/opengl_fragment.glsl
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@ -1,54 +1,100 @@
uniform sampler2D baseTexture; uniform sampler2D baseTexture;
uniform sampler2D normalTexture; uniform sampler2D normalTexture;
uniform sampler2D useNormalmap; uniform sampler2D useNormalmap;
uniform vec4 skyBgColor; uniform vec4 skyBgColor;
uniform float fogDistance; uniform float fogDistance;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
const float e = 2.718281828459; varying vec3 eyeVec;
varying vec3 lightVec;
void main (void)
{ bool normalTexturePresent = false;
vec3 color;
vec2 uv = gl_TexCoord[0].st; const float e = 2.718281828459;
#ifdef USE_NORMALMAPS float intensity (vec3 color){
float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r; return (color.r + color.g + color.b) / 3.0;
#endif }
#ifdef ENABLE_BUMPMAPPING float get_rgb_height (vec2 uv){
if (use_normalmap > 0.0) { return intensity(texture2D(baseTexture,uv).rgb);
vec3 base = texture2D(baseTexture, uv).rgb; }
vec3 vVec = normalize(eyeVec);
vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0); vec4 get_normal_map(vec2 uv){
vec3 R = reflect(-vVec, bump); vec4 bump = texture2D(normalTexture, uv).rgba;
vec3 lVec = normalize(vVec); bump.xyz = normalize(bump.xyz * 2.0 -1.0);
float diffuse = max(dot(lVec, bump), 0.0); bump.y = -bump.y;
float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0); return bump;
color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse; }
} else {
color = texture2D(baseTexture, uv).rgb; void main (void)
} {
#else vec3 color;
color = texture2D(baseTexture, uv).rgb; vec4 bump;
#endif vec2 uv = gl_TexCoord[0].st;
bool use_normalmap = false;
float alpha = texture2D(baseTexture, uv).a;
vec4 col = vec4(color.r, color.g, color.b, alpha); #ifdef USE_NORMALMAPS
col *= gl_Color; if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){
col = col * col; // SRGB -> Linear normalTexturePresent = true;
col *= 1.8; }
col.r = 1.0 - exp(1.0 - col.r) / e; #endif
col.g = 1.0 - exp(1.0 - col.g) / e;
col.b = 1.0 - exp(1.0 - col.b) / e; #ifdef USE_NORMALMAPS
col = sqrt(col); // Linear -> SRGB if (normalTexturePresent){
if(fogDistance != 0.0){ bump = get_normal_map(uv);
float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); use_normalmap = true;
col = mix(col, skyBgColor, d); }
} #endif
gl_FragColor = vec4(col.r, col.g, col.b, alpha);
} #ifdef GENERATE_NORMALMAPS
if (use_normalmap == false){
float tl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y+SAMPLE_STEP));
float t = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
float tr = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y+SAMPLE_STEP));
float r = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y));
float br = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y-SAMPLE_STEP));
float b = get_rgb_height (vec2(uv.x,uv.y-SAMPLE_STEP));
float bl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
float l = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y));
float dX = (tr + 2.0 * r + br) - (tl + 2.0 * l + bl);
float dY = (bl + 2.0 * b + br) - (tl + 2.0 * t + tr);
bump = vec4 (normalize(vec3 (dX, -dY, NORMALMAPS_STRENGTH)),1.0);
use_normalmap = true;
}
#endif
vec4 base = texture2D(baseTexture, uv).rgba;
#ifdef ENABLE_BUMPMAPPING
if (use_normalmap){
vec3 L = normalize(lightVec);
vec3 E = normalize(eyeVec);
float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0),0.5);
float diffuse = dot(E,bump.xyz);
color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb;
} else {
color = base.rgb;
}
#else
color = base.rgb;
#endif
vec4 col = vec4(color.rgb, base.a);
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
col *= gl_Color;
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.rgb, base.a);
}

21
client/shaders/leaves_shader/opengl_vertex.glsl
View File

@ -1,13 +1,20 @@
uniform mat4 mWorldViewProj; uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld; uniform mat4 mInvWorld;
uniform mat4 mTransWorld; uniform mat4 mTransWorld;
uniform mat4 mWorld;
uniform float dayNightRatio; uniform float dayNightRatio;
uniform float animationTimer; uniform float animationTimer;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 worldPosition;
varying vec3 eyeVec; varying vec3 eyeVec;
varying vec3 lightVec;
const float BS = 10.0;
#ifdef ENABLE_WAVING_LEAVES #ifdef ENABLE_WAVING_LEAVES
float smoothCurve( float x ) { float smoothCurve( float x ) {
@ -27,7 +34,7 @@ void main(void)
#ifdef ENABLE_WAVING_LEAVES #ifdef ENABLE_WAVING_LEAVES
vec4 pos = gl_Vertex; vec4 pos = gl_Vertex;
vec4 pos2 = mTransWorld*gl_Vertex; vec4 pos2 = mWorld*gl_Vertex;
pos.x += (smoothTriangleWave(animationTimer*10.0 + pos2.x * 0.01 + pos2.z * 0.01) * 2.0 - 1.0) * 0.4; 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.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; pos.z += (smoothTriangleWave(animationTimer*10.0 + pos2.x * -0.01 + pos2.z * -0.01) * 2.0 - 1.0) * 0.4;
@ -36,10 +43,13 @@ void main(void)
gl_Position = mWorldViewProj * gl_Vertex; gl_Position = mWorldViewProj * gl_Vertex;
#endif #endif
vPosition = (mWorldViewProj * gl_Vertex).xyz; 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; eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
vec4 color; vec4 color;
//color = vec4(1.0, 1.0, 1.0, 1.0); //color = vec4(1.0, 1.0, 1.0, 1.0);
@ -75,13 +85,8 @@ void main(void)
color = color * color; // SRGB -> Linear color = color * color; // SRGB -> Linear
if(gl_Normal.y <= 0.5) if(gl_Normal.y <= 0.5)
color *= 0.6; color *= 0.6;
//color *= 0.7;
color = sqrt(color); // Linear -> SRGB color = sqrt(color); // Linear -> SRGB
color.a = gl_Color.a; color.a = gl_Color.a;
gl_FrontColor = gl_BackColor = color; gl_FrontColor = gl_BackColor = color;
gl_TexCoord[0] = gl_MultiTexCoord0;
} }

149
client/shaders/liquids_shader/opengl_fragment.glsl
View File

@ -1,54 +1,95 @@
uniform sampler2D baseTexture; uniform sampler2D baseTexture;
uniform sampler2D normalTexture; uniform sampler2D normalTexture;
uniform sampler2D useNormalmap; uniform sampler2D useNormalmap;
uniform vec4 skyBgColor; uniform vec4 skyBgColor;
uniform float fogDistance; uniform float fogDistance;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
const float e = 2.718281828459; varying vec3 eyeVec;
varying vec3 tsEyeVec;
void main (void) varying vec3 lightVec;
{ varying vec3 tsLightVec;
vec3 color;
vec2 uv = gl_TexCoord[0].st; const float e = 2.718281828459;
#ifdef USE_NORMALMAPS float intensity (vec3 color){
float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r; return (color.r + color.g + color.b) / 3.0;
#endif }
#ifdef ENABLE_BUMPMAPPING float get_rgb_height (vec2 uv){
if (use_normalmap > 0.0) { return intensity(texture2D(baseTexture,uv).rgb);
vec3 base = texture2D(baseTexture, uv).rgb; }
vec3 vVec = normalize(eyeVec);
vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0); vec4 get_normal_map(vec2 uv){
vec3 R = reflect(-vVec, bump); vec4 bump = texture2D(normalTexture, uv).rgba;
vec3 lVec = normalize(vVec); bump.xyz = normalize(bump.xyz * 2.0 -1.0);
float diffuse = max(dot(vec3(-1.0, -0.4, 0.5), bump), 0.0); bump.y = -bump.y;
float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0); return bump;
color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse; }
} else {
color = texture2D(baseTexture, uv).rgb; void main (void)
} {
#else vec3 color;
color = texture2D(baseTexture, uv).rgb; vec4 bump;
#endif vec2 uv = gl_TexCoord[0].st;
bool use_normalmap = false;
float alpha = gl_Color.a;
vec4 col = vec4(color.r, color.g, color.b, alpha); #ifdef USE_NORMALMAPS
col *= gl_Color; if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){
col = col * col; // SRGB -> Linear bump = get_normal_map(uv);
col *= 1.8; use_normalmap = true;
col.r = 1.0 - exp(1.0 - col.r) / e; }
col.g = 1.0 - exp(1.0 - col.g) / e; #endif
col.b = 1.0 - exp(1.0 - col.b) / e;
col = sqrt(col); // Linear -> SRGB #ifdef GENERATE_NORMALMAPS
if(fogDistance != 0.0){ if (use_normalmap == false){
float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); float tl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y+SAMPLE_STEP));
alpha = mix(alpha, 0.0, d); float t = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
} float tr = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y+SAMPLE_STEP));
gl_FragColor = vec4(col.r, col.g, col.b, alpha); float r = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y));
} float br = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y-SAMPLE_STEP));
float b = get_rgb_height (vec2(uv.x,uv.y-SAMPLE_STEP));
float bl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
float l = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y));
float dX = (tr + 2.0 * r + br) - (tl + 2.0 * l + bl);
float dY = (bl + 2.0 * b + br) - (tl + 2.0 * t + tr);
bump = vec4 (normalize(vec3 (dX, -dY, NORMALMAPS_STRENGTH)),1.0);
use_normalmap = true;
}
#endif
vec4 base = texture2D(baseTexture, uv).rgba;
#ifdef ENABLE_BUMPMAPPING
if (use_normalmap){
vec3 L = normalize(lightVec);
vec3 E = normalize(eyeVec);
float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0),0.5);
float diffuse = dot(E,bump.xyz);
color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb;
} else {
color = base.rgb;
}
#else
color = base.rgb;
#endif
float alpha = gl_Color.a;
vec4 col = vec4(color.rgb, alpha);
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
col *= gl_Color;
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(color.rgb, alpha);
}

67
client/shaders/liquids_shader/opengl_vertex.glsl
View File

@ -1,40 +1,84 @@
uniform mat4 mWorldViewProj; uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld; uniform mat4 mInvWorld;
uniform mat4 mTransWorld; uniform mat4 mTransWorld;
uniform mat4 mWorld;
uniform float dayNightRatio; uniform float dayNightRatio;
uniform float animationTimer; uniform float animationTimer;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 worldPosition;
varying vec3 eyeVec; varying vec3 eyeVec;
varying vec3 lightVec;
varying vec3 tsEyeVec;
varying vec3 tsLightVec;
const float BS = 10.0;
void main(void) void main(void)
{ {
gl_TexCoord[0] = gl_MultiTexCoord0;
#ifdef ENABLE_WAVING_WATER #ifdef ENABLE_WAVING_WATER
vec4 pos2 = gl_Vertex; vec4 pos2 = gl_Vertex;
pos2.y -= 2.0; pos2.y -= 2.0;
pos2.y -= sin (pos2.z/WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH) * WATER_WAVE_HEIGHT pos2.y -= sin (pos2.z/WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH) * WATER_WAVE_HEIGHT
+ sin ((pos2.z/WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH) / 7.0) * WATER_WAVE_HEIGHT; + sin ((pos2.z/WATER_WAVE_LENGTH + animationTimer * WATER_WAVE_SPEED * WATER_WAVE_LENGTH) / 7.0) * WATER_WAVE_HEIGHT;
gl_Position = mWorldViewProj * pos2; gl_Position = mWorldViewProj * pos2;
vPosition = gl_Position.xyz;
#else #else
gl_Position = mWorldViewProj * gl_Vertex; gl_Position = mWorldViewProj * gl_Vertex;
vPosition = gl_Position.xyz;
#endif #endif
worldPosition = (mWorld * gl_Vertex).xyz;
vec3 sunPosition = vec3 (0.0, eyePosition.y * BS + 900.0, 0.0);
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);
lightVec = sunPosition - worldPosition;
tsLightVec = lightVec * tbnMatrix;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz; eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
vPosition = (mWorldViewProj * gl_Vertex).xyz; tsEyeVec = eyeVec * tbnMatrix;
vec4 color; vec4 color;
//color = vec4(1.0, 1.0, 1.0, 1.0);
float day = gl_Color.r; float day = gl_Color.r;
float night = gl_Color.g; float night = gl_Color.g;
float light_source = gl_Color.b; 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); float rg = mix(night, day, dayNightRatio);
rg += light_source * 2.5; // Make light sources brighter rg += light_source * 2.5; // Make light sources brighter
float b = rg; float b = rg;
@ -54,10 +98,13 @@ void main(void)
color.r = clamp(rg,0.0,1.0); color.r = clamp(rg,0.0,1.0);
color.g = clamp(rg,0.0,1.0); color.g = clamp(rg,0.0,1.0);
color.b = clamp(b,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; color.a = gl_Color.a;
gl_FrontColor = gl_BackColor = color; gl_FrontColor = gl_BackColor = color;
gl_TexCoord[0] = gl_MultiTexCoord0;
} }

148
client/shaders/plants_shader/opengl_fragment.glsl
View File

@ -1,54 +1,94 @@
uniform sampler2D baseTexture; uniform sampler2D baseTexture;
uniform sampler2D normalTexture; uniform sampler2D normalTexture;
uniform sampler2D useNormalmap; uniform sampler2D useNormalmap;
uniform vec4 skyBgColor; uniform vec4 skyBgColor;
uniform float fogDistance; uniform float fogDistance;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
const float e = 2.718281828459; varying vec3 eyeVec;
varying vec3 lightVec;
void main (void)
{ bool normalTexturePresent = false;
vec3 color;
vec2 uv = gl_TexCoord[0].st; const float e = 2.718281828459;
#ifdef USE_NORMALMAPS float intensity (vec3 color){
float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r; return (color.r + color.g + color.b) / 3.0;
#endif }
#ifdef ENABLE_BUMPMAPPING float get_rgb_height (vec2 uv){
if (use_normalmap > 0.0) { return intensity(texture2D(baseTexture,uv).rgb);
vec3 base = texture2D(baseTexture, uv).rgb; }
vec3 vVec = normalize(eyeVec);
vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0); vec4 get_normal_map(vec2 uv){
vec3 R = reflect(-vVec, bump); vec4 bump = texture2D(normalTexture, uv).rgba;
vec3 lVec = normalize(vVec); bump.xyz = normalize(bump.xyz * 2.0 -1.0);
float diffuse = max(dot(lVec, bump), 0.0); bump.y = -bump.y;
float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0); return bump;
color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse; }
} else {
color = texture2D(baseTexture, uv).rgb; void main (void)
} {
#else vec3 color;
color = texture2D(baseTexture, uv).rgb; vec4 bump;
#endif vec2 uv = gl_TexCoord[0].st;
bool use_normalmap = false;
float alpha = texture2D(baseTexture, uv).a;
vec4 col = vec4(color.r, color.g, color.b, alpha); #ifdef USE_NORMALMAPS
col *= gl_Color; if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){
col = col * col; // SRGB -> Linear bump = get_normal_map(uv);
col *= 1.8; use_normalmap = true;
col.r = 1.0 - exp(1.0 - col.r) / e; }
col.g = 1.0 - exp(1.0 - col.g) / e; #endif
col.b = 1.0 - exp(1.0 - col.b) / e;
col = sqrt(col); // Linear -> SRGB #ifdef GENERATE_NORMALMAPS
if(fogDistance != 0.0){ if (use_normalmap == false){
float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); float tl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y+SAMPLE_STEP));
col = mix(col, skyBgColor, d); float t = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
} float tr = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y+SAMPLE_STEP));
gl_FragColor = vec4(col.r, col.g, col.b, alpha); float r = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y));
} float br = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y-SAMPLE_STEP));
float b = get_rgb_height (vec2(uv.x,uv.y-SAMPLE_STEP));
float bl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
float l = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y));
float dX = (tr + 2.0 * r + br) - (tl + 2.0 * l + bl);
float dY = (bl + 2.0 * b + br) - (tl + 2.0 * t + tr);
bump = vec4 (normalize(vec3 (dX, -dY, NORMALMAPS_STRENGTH)),1.0);
use_normalmap = true;
}
#endif
vec4 base = texture2D(baseTexture, uv).rgba;
#ifdef ENABLE_BUMPMAPPING
if (use_normalmap){
vec3 L = normalize(lightVec);
vec3 E = normalize(eyeVec);
float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0),0.5);
float diffuse = dot(E,bump.xyz);
color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb;
} else {
color = base.rgb;
}
#else
color = base.rgb;
#endif
vec4 col = vec4(color.rgb, base.a);
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
col *= gl_Color;
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.rgb, base.a);
}

21
client/shaders/plants_shader/opengl_vertex.glsl
View File

@ -1,13 +1,20 @@
uniform mat4 mWorldViewProj; uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld; uniform mat4 mInvWorld;
uniform mat4 mTransWorld; uniform mat4 mTransWorld;
uniform mat4 mWorld;
uniform float dayNightRatio; uniform float dayNightRatio;
uniform float animationTimer; uniform float animationTimer;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 worldPosition;
varying vec3 eyeVec; varying vec3 eyeVec;
varying vec3 lightVec;
const float BS = 10.0;
#ifdef ENABLE_WAVING_PLANTS #ifdef ENABLE_WAVING_PLANTS
float smoothCurve( float x ) { float smoothCurve( float x ) {
@ -23,12 +30,11 @@ float smoothTriangleWave( float x ) {
void main(void) void main(void)
{ {
gl_TexCoord[0] = gl_MultiTexCoord0; gl_TexCoord[0] = gl_MultiTexCoord0;
#ifdef ENABLE_WAVING_PLANTS #ifdef ENABLE_WAVING_PLANTS
vec4 pos = gl_Vertex; vec4 pos = gl_Vertex;
vec4 pos2 = mTransWorld * gl_Vertex; vec4 pos2 = mWorld * gl_Vertex;
if (gl_TexCoord[0].y < 0.05) { 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.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; pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2.x * -0.5 + pos2.z * -0.5) * 2.0 - 1.0) * 0.4;
@ -38,9 +44,13 @@ void main(void)
gl_Position = mWorldViewProj * gl_Vertex; gl_Position = mWorldViewProj * gl_Vertex;
#endif #endif
vPosition = (mWorldViewProj * gl_Vertex).xyz; vPosition = gl_Position.xyz;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).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; vec4 color;
//color = vec4(1.0, 1.0, 1.0, 1.0); //color = vec4(1.0, 1.0, 1.0, 1.0);
@ -76,11 +86,8 @@ void main(void)
color = color * color; // SRGB -> Linear color = color * color; // SRGB -> Linear
if(gl_Normal.y <= 0.5) if(gl_Normal.y <= 0.5)
color *= 0.6; color *= 0.6;
//color *= 0.7;
color = sqrt(color); // Linear -> SRGB color = sqrt(color); // Linear -> SRGB
color.a = gl_Color.a; color.a = gl_Color.a;
gl_FrontColor = gl_BackColor = color; gl_FrontColor = gl_BackColor = color;
} }

200
client/shaders/solids_shader/opengl_fragment.glsl
View File

@ -1,90 +1,110 @@
uniform sampler2D baseTexture; uniform sampler2D baseTexture;
uniform sampler2D normalTexture; uniform sampler2D normalTexture;
uniform sampler2D useNormalmap; uniform sampler2D useNormalmap;
uniform vec4 skyBgColor; uniform vec4 skyBgColor;
uniform float fogDistance; uniform float fogDistance;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
#ifdef ENABLE_PARALLAX_OCCLUSION varying vec3 eyeVec;
varying vec3 tsEyeVec; varying vec3 tsEyeVec;
#endif varying vec3 lightVec;
varying vec3 tsLightVec;
const float e = 2.718281828459;
bool normalTexturePresent = false;
void main (void)
{ const float e = 2.718281828459;
vec3 color;
vec2 uv = gl_TexCoord[0].st; float intensity (vec3 color){
return (color.r + color.g + color.b) / 3.0;
#ifdef USE_NORMALMAPS }
float use_normalmap = texture2D(useNormalmap,vec2(1.0,1.0)).r;
#endif float get_rgb_height (vec2 uv){
return intensity(texture2D(baseTexture,uv).rgb);
#ifdef ENABLE_PARALLAX_OCCLUSION }
float height;
vec2 tsEye = vec2(tsEyeVec.x,-tsEyeVec.y); vec4 get_normal_map(vec2 uv){
vec4 bump = texture2D(normalTexture, uv).rgba;
if (use_normalmap > 0.0) { bump.xyz = normalize(bump.xyz * 2.0 -1.0);
float map_height = texture2D(normalTexture, uv).a; bump.y = -bump.y;
if (map_height < 1.0){ return bump;
float height = PARALLAX_OCCLUSION_SCALE * map_height - PARALLAX_OCCLUSION_BIAS; }
uv = uv + height * tsEye;
} void main (void)
} {
#endif vec3 color;
vec4 bump;
/* Steep parallax code, for future use vec2 uv = gl_TexCoord[0].st;
if ((parallaxMappingMode == 2.0) && (use_normalmap > 0.0)) { bool use_normalmap = false;
const float numSteps = 40.0;
float height = 1.0; #ifdef USE_NORMALMAPS
float step = 1.0 / numSteps; if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){
vec4 NB = texture2D(normalTexture, uv); normalTexturePresent = true;
vec2 delta = tsEye * parallaxMappingScale / numSteps; }
for (float i = 0.0; i < numSteps; i++) { #endif
if (NB.a < height) {
height -= step; #ifdef ENABLE_PARALLAX_OCCLUSION
uv += delta; if (normalTexturePresent){
NB = texture2D(normalTexture, uv); vec3 tsEye = normalize(tsEyeVec);
} else { float height = PARALLAX_OCCLUSION_SCALE * texture2D(normalTexture, uv).a - PARALLAX_OCCLUSION_BIAS;
break; uv = uv + texture2D(normalTexture, uv).z * height * vec2(tsEye.x,-tsEye.y);
} }
} #endif
}
*/ #ifdef USE_NORMALMAPS
if (normalTexturePresent){
#ifdef ENABLE_BUMPMAPPING bump = get_normal_map(uv);
if (use_normalmap > 0.0) { use_normalmap = true;
vec3 base = texture2D(baseTexture, uv).rgb; }
vec3 vVec = normalize(eyeVec); #endif
vec3 bump = normalize(texture2D(normalTexture, uv).xyz * 2.0 - 1.0);
vec3 R = reflect(-vVec, bump); #ifdef GENERATE_NORMALMAPS
vec3 lVec = normalize(vVec); if (use_normalmap == false){
float diffuse = max(dot(lVec, bump), 0.0); float tl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y+SAMPLE_STEP));
float specular = pow(clamp(dot(R, lVec), 0.0, 1.0),1.0); float t = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
color = mix (base,diffuse*base,1.0) + 0.1 * specular * diffuse; float tr = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y+SAMPLE_STEP));
} else { float r = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y));
color = texture2D(baseTexture, uv).rgb; float br = get_rgb_height (vec2(uv.x+SAMPLE_STEP,uv.y-SAMPLE_STEP));
} float b = get_rgb_height (vec2(uv.x,uv.y-SAMPLE_STEP));
#else float bl = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y-SAMPLE_STEP));
color = texture2D(baseTexture, uv).rgb; float l = get_rgb_height (vec2(uv.x-SAMPLE_STEP,uv.y));
#endif float dX = (tr + 2.0 * r + br) - (tl + 2.0 * l + bl);
float dY = (bl + 2.0 * b + br) - (tl + 2.0 * t + tr);
float alpha = texture2D(baseTexture, uv).a; bump = vec4 (normalize(vec3 (dX, -dY, NORMALMAPS_STRENGTH)),1.0);
vec4 col = vec4(color.r, color.g, color.b, alpha); use_normalmap = true;
col *= gl_Color; }
col = col * col; // SRGB -> Linear #endif
col *= 1.8;
col.r = 1.0 - exp(1.0 - col.r) / e; vec4 base = texture2D(baseTexture, uv).rgba;
col.g = 1.0 - exp(1.0 - col.g) / e;
col.b = 1.0 - exp(1.0 - col.b) / e; #ifdef ENABLE_BUMPMAPPING
col = sqrt(col); // Linear -> SRGB if (use_normalmap){
if(fogDistance != 0.0){ vec3 L = normalize(lightVec);
float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); vec3 E = normalize(eyeVec);
col = mix(col, skyBgColor, d); float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0),0.5);
} float diffuse = dot(E,bump.xyz);
gl_FragColor = vec4(col.r, col.g, col.b, alpha); color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb;
} } else {
color = base.rgb;
}
#else
color = base.rgb;
#endif
vec4 col = vec4(color.rgb, base.a);
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
col *= gl_Color;
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.rgb, base.a);
}

40
client/shaders/solids_shader/opengl_vertex.glsl
View File

@ -1,27 +1,33 @@
uniform mat4 mWorldViewProj; uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld; uniform mat4 mInvWorld;
uniform mat4 mTransWorld; uniform mat4 mTransWorld;
uniform mat4 mWorld;
uniform float dayNightRatio; uniform float dayNightRatio;
uniform vec3 eyePosition; uniform vec3 eyePosition;
varying vec3 vPosition; varying vec3 vPosition;
varying vec3 eyeVec; varying vec3 worldPosition;
varying vec3 eyeVec;
varying vec3 lightVec;
#ifdef ENABLE_PARALLAX_OCCLUSION
varying vec3 tsEyeVec; varying vec3 tsEyeVec;
#endif varying vec3 tsLightVec;
const float BS = 10.0;
void main(void) void main(void)
{ {
gl_TexCoord[0] = gl_MultiTexCoord0;
gl_Position = mWorldViewProj * gl_Vertex; gl_Position = mWorldViewProj * gl_Vertex;
vPosition = (mWorldViewProj * gl_Vertex).xyz; vPosition = gl_Position.xyz;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz; worldPosition = (mWorld * gl_Vertex).xyz;
vec3 sunPosition = vec3 (0.0, eyePosition.y * BS + 900.0, 0.0);
#ifdef ENABLE_PARALLAX_OCCLUSION vec3 normal, tangent, binormal;
vec3 normal,tangent,binormal;
normal = normalize(gl_NormalMatrix * gl_Normal); normal = normalize(gl_NormalMatrix * gl_Normal);
if (gl_Normal.x > 0.5) { if (gl_Normal.x > 0.5) {
// 1.0, 0.0, 0.0 // 1.0, 0.0, 0.0
tangent = normalize(gl_NormalMatrix * vec3( 0.0, 0.0, -1.0)); tangent = normalize(gl_NormalMatrix * vec3( 0.0, 0.0, -1.0));
@ -47,25 +53,20 @@ void main(void)
tangent = normalize(gl_NormalMatrix * vec3(-1.0, 0.0, 0.0)); tangent = normalize(gl_NormalMatrix * vec3(-1.0, 0.0, 0.0));
binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0, 0.0)); binormal = normalize(gl_NormalMatrix * vec3( 0.0, -1.0, 0.0));
} }
mat3 tbnMatrix = mat3( tangent.x, binormal.x, normal.x, mat3 tbnMatrix = mat3( tangent.x, binormal.x, normal.x,
tangent.y, binormal.y, normal.y, tangent.y, binormal.y, normal.y,
tangent.z, binormal.z, normal.z); tangent.z, binormal.z, normal.z);
tsEyeVec = normalize(eyeVec * tbnMatrix); lightVec = sunPosition - worldPosition;
#endif tsLightVec = lightVec * tbnMatrix;
eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
tsEyeVec = eyeVec * tbnMatrix;
vec4 color; vec4 color;
//color = vec4(1.0, 1.0, 1.0, 1.0);
float day = gl_Color.r; float day = gl_Color.r;
float night = gl_Color.g; float night = gl_Color.g;
float light_source = gl_Color.b; 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); float rg = mix(night, day, dayNightRatio);
rg += light_source * 2.5; // Make light sources brighter rg += light_source * 2.5; // Make light sources brighter
float b = rg; float b = rg;
@ -90,13 +91,8 @@ void main(void)
color = color * color; // SRGB -> Linear color = color * color; // SRGB -> Linear
if(gl_Normal.y <= 0.5) if(gl_Normal.y <= 0.5)
color *= 0.6; color *= 0.6;
//color *= 0.7;
color = sqrt(color); // Linear -> SRGB color = sqrt(color); // Linear -> SRGB
color.a = gl_Color.a; color.a = gl_Color.a;
gl_FrontColor = gl_BackColor = color; gl_FrontColor = gl_BackColor = color;
gl_TexCoord[0] = gl_MultiTexCoord0;
} }

8
minetest.conf.example
View File

@ -173,6 +173,14 @@
# Set to true to enable textures bumpmapping. Requires shaders enabled. # Set to true to enable textures bumpmapping. Requires shaders enabled.
#enable_bumpmapping = false #enable_bumpmapping = false
# Set to true enables parallax occlusion mapping. Requires shaders enabled. # Set to true enables parallax occlusion mapping. Requires shaders enabled.
#generate_normalmaps = false
# Set to true enables on the fly normalmap generation (Emboss effect).
# Requires bumpmapping enabled.
#normalmaps_strength = 0.6
# Strength of generated normalmaps
#normalmaps_smooth = 1
# Defines sampling step of texture (0 - 2)
# Higher the value normal maps will be smoother
#enable_parallax_occlusion = false #enable_parallax_occlusion = false
# Scale of parallax occlusion effect # Scale of parallax occlusion effect
#parallax_occlusion_scale = 0.08 #parallax_occlusion_scale = 0.08

7
src/defaultsettings.cpp
View File

@ -130,8 +130,11 @@ void set_default_settings(Settings *settings)
settings->setDefault("preload_item_visuals", "true"); settings->setDefault("preload_item_visuals", "true");
settings->setDefault("enable_bumpmapping", "false"); settings->setDefault("enable_bumpmapping", "false");
settings->setDefault("enable_parallax_occlusion", "false"); settings->setDefault("enable_parallax_occlusion", "false");
settings->setDefault("parallax_occlusion_scale", "0.08"); settings->setDefault("generate_normalmaps", "false");
settings->setDefault("parallax_occlusion_bias", "0.04"); settings->setDefault("normalmaps_strength", "0.6");
settings->setDefault("normalmaps_smooth", "1");
settings->setDefault("parallax_occlusion_scale", "0.06");
settings->setDefault("parallax_occlusion_bias", "0.03");
settings->setDefault("enable_waving_water", "false"); settings->setDefault("enable_waving_water", "false");
settings->setDefault("water_wave_height", "1.0"); settings->setDefault("water_wave_height", "1.0");
settings->setDefault("water_wave_length", "20.0"); settings->setDefault("water_wave_length", "20.0");

5
src/game.cpp
View File

@ -858,14 +858,17 @@ public:
services->setPixelShaderConstant("eyePosition", (irr::f32*)&eye_position, 3); services->setPixelShaderConstant("eyePosition", (irr::f32*)&eye_position, 3);
services->setVertexShaderConstant("eyePosition", (irr::f32*)&eye_position, 3); services->setVertexShaderConstant("eyePosition", (irr::f32*)&eye_position, 3);
// Normal map texture layer // Uniform sampler layers
int layer0 = 0;
int layer1 = 1; int layer1 = 1;
int layer2 = 2; int layer2 = 2;
// before 1.8 there isn't a "integer interface", only float // before 1.8 there isn't a "integer interface", only float
#if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8) #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
services->setPixelShaderConstant("baseTexture" , (irr::f32*)&layer0, 1);
services->setPixelShaderConstant("normalTexture" , (irr::f32*)&layer1, 1); services->setPixelShaderConstant("normalTexture" , (irr::f32*)&layer1, 1);
services->setPixelShaderConstant("useNormalmap" , (irr::f32*)&layer2, 1); services->setPixelShaderConstant("useNormalmap" , (irr::f32*)&layer2, 1);
#else #else
services->setPixelShaderConstant("baseTexture" , (irr::s32*)&layer0, 1);
services->setPixelShaderConstant("normalTexture" , (irr::s32*)&layer1, 1); services->setPixelShaderConstant("normalTexture" , (irr::s32*)&layer1, 1);
services->setPixelShaderConstant("useNormalmap" , (irr::s32*)&layer2, 1); services->setPixelShaderConstant("useNormalmap" , (irr::s32*)&layer2, 1);
#endif #endif

56
src/mapblock_mesh.cpp
View File

@ -1212,20 +1212,25 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
ITextureSource *tsrc = data->m_gamedef->tsrc(); ITextureSource *tsrc = data->m_gamedef->tsrc();
material.setTexture(2, tsrc->getTexture("disable_img.png")); material.setTexture(2, tsrc->getTexture("disable_img.png"));
if (enable_bumpmapping || enable_parallax_occlusion) { if (enable_bumpmapping || enable_parallax_occlusion) {
std::string fname_base = tsrc->getTextureName(p.tile.texture_id); if (tsrc->isKnownSourceImage("override_normal.png")){
std::string normal_ext = "_normal.png"; material.setTexture(1, tsrc->getTexture("override_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;
while ((i = fname_base.find(".", i)) != std::string::npos) {
fname_base.replace(i, 4, normal_ext);
i += normal_ext.length();
}
material.setTexture(1, tsrc->getTexture(fname_base));
material.setTexture(2, tsrc->getTexture("enable_img.png")); material.setTexture(2, tsrc->getTexture("enable_img.png"));
} else {
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;
while ((i = fname_base.find(".", i)) != std::string::npos) {
fname_base.replace(i, 4, normal_ext);
i += normal_ext.length();
}
material.setTexture(1, tsrc->getTexture(fname_base));
material.setTexture(2, tsrc->getTexture("enable_img.png"));
}
} }
} }
p.tile.applyMaterialOptionsWithShaders(material, p.tile.applyMaterialOptionsWithShaders(material,
@ -1368,17 +1373,22 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
buf->getMaterial().setTexture(2, tsrc->getTexture("disable_img.png")); buf->getMaterial().setTexture(2, tsrc->getTexture("disable_img.png"));
if (enable_shaders && (enable_bumpmapping || enable_parallax_occlusion)) if (enable_shaders && (enable_bumpmapping || enable_parallax_occlusion))
{ {
std::string fname_base,fname_normal; if (tsrc->isKnownSourceImage("override_normal.png")){
fname_base = tsrc->getTextureName(tile.texture_id); buf->getMaterial().setTexture(1, tsrc->getTexture("override_normal.png"));
unsigned pos;
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")); buf->getMaterial().setTexture(2, tsrc->getTexture("enable_img.png"));
} else {
std::string fname_base,fname_normal;
fname_base = tsrc->getTextureName(tile.texture_id);
unsigned pos;
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"));
}
} }
} }
} }

44
src/shader.cpp
View File

@ -240,12 +240,20 @@ public:
services->setVertexShaderConstant(worldViewProj.pointer(), 4, 4); services->setVertexShaderConstant(worldViewProj.pointer(), 4, 4);
// set transposed world matrix // set transposed world matrix
core::matrix4 world = driver->getTransform(video::ETS_WORLD); core::matrix4 transWorld = driver->getTransform(video::ETS_WORLD);
world = world.getTransposed(); transWorld = transWorld.getTransposed();
if(is_highlevel) if(is_highlevel)
services->setVertexShaderConstant("mTransWorld", world.pointer(), 16); services->setVertexShaderConstant("mTransWorld", transWorld.pointer(), 16);
else
services->setVertexShaderConstant(transWorld.pointer(), 8, 4);
// set world matrix
core::matrix4 world = driver->getTransform(video::ETS_WORLD);
if(is_highlevel)
services->setVertexShaderConstant("mWorld", world.pointer(), 16);
else else
services->setVertexShaderConstant(world.pointer(), 8, 4); services->setVertexShaderConstant(world.pointer(), 8, 4);
} }
private: private:
@ -673,7 +681,33 @@ ShaderInfo generate_shader(std::string name, IrrlichtDevice *device,
// Create shaders header // Create shaders header
std::string shaders_header = "#version 120\n"; std::string shaders_header = "#version 120\n";
if (g_settings->getBool("generate_normalmaps")){
shaders_header += "#define GENERATE_NORMALMAPS\n";
shaders_header += "#define NORMALMAPS_STRENGTH ";
shaders_header += ftos(g_settings->getFloat("normalmaps_strength"));
shaders_header += "\n";
float sample_step;
int smooth = (int)g_settings->getFloat("normalmaps_smooth");
switch (smooth){
case 0:
sample_step = 0.0078125; // 1.0 / 128.0
break;
case 1:
sample_step = 0.00390625; // 1.0 / 256.0
break;
case 2:
sample_step = 0.001953125; // 1.0 / 512.0
break;
default:
sample_step = 0.0078125;
break;
}
shaders_header += "#define SAMPLE_STEP ";
shaders_header += ftos(sample_step);
shaders_header += "\n";
}
if (g_settings->getBool("enable_bumpmapping")) if (g_settings->getBool("enable_bumpmapping"))
shaders_header += "#define ENABLE_BUMPMAPPING\n"; shaders_header += "#define ENABLE_BUMPMAPPING\n";
@ -685,7 +719,7 @@ ShaderInfo generate_shader(std::string name, IrrlichtDevice *device,
shaders_header += "#define PARALLAX_OCCLUSION_BIAS "; shaders_header += "#define PARALLAX_OCCLUSION_BIAS ";
shaders_header += ftos(g_settings->getFloat("parallax_occlusion_bias")); shaders_header += ftos(g_settings->getFloat("parallax_occlusion_bias"));
shaders_header += "\n"; shaders_header += "\n";
} }
if (g_settings->getBool("enable_bumpmapping") || g_settings->getBool("enable_parallax_occlusion")) if (g_settings->getBool("enable_bumpmapping") || g_settings->getBool("enable_parallax_occlusion"))
shaders_header += "#define USE_NORMALMAPS\n"; shaders_header += "#define USE_NORMALMAPS\n";