diff options
Diffstat (limited to 'client')
-rw-r--r-- | client/shaders/minimap_shader/opengl_fragment.glsl | 32 | ||||
-rw-r--r-- | client/shaders/minimap_shader/opengl_vertex.glsl | 11 | ||||
-rw-r--r-- | client/shaders/nodes_shader/opengl_fragment.glsl | 144 | ||||
-rw-r--r-- | client/shaders/nodes_shader/opengl_vertex.glsl | 83 | ||||
-rw-r--r-- | client/shaders/water_surface_shader/opengl_fragment.glsl | 62 | ||||
-rw-r--r-- | client/shaders/water_surface_shader/opengl_vertex.glsl | 17 | ||||
-rw-r--r-- | client/shaders/wielded_shader/opengl_fragment.glsl | 114 | ||||
-rw-r--r-- | client/shaders/wielded_shader/opengl_vertex.glsl | 35 |
8 files changed, 380 insertions, 118 deletions
diff --git a/client/shaders/minimap_shader/opengl_fragment.glsl b/client/shaders/minimap_shader/opengl_fragment.glsl new file mode 100644 index 000000000..fa4f9cb1a --- /dev/null +++ b/client/shaders/minimap_shader/opengl_fragment.glsl @@ -0,0 +1,32 @@ +uniform sampler2D baseTexture; +uniform sampler2D normalTexture; +uniform vec3 yawVec; + +void main (void) +{ + vec2 uv = gl_TexCoord[0].st; + + //texture sampling rate + const float step = 1.0 / 256.0; + float tl = texture2D(normalTexture, vec2(uv.x - step, uv.y + step)).r; + float t = texture2D(normalTexture, vec2(uv.x - step, uv.y - step)).r; + float tr = texture2D(normalTexture, vec2(uv.x + step, uv.y + step)).r; + float r = texture2D(normalTexture, vec2(uv.x + step, uv.y)).r; + float br = texture2D(normalTexture, vec2(uv.x + step, uv.y - step)).r; + float b = texture2D(normalTexture, vec2(uv.x, uv.y - step)).r; + float bl = texture2D(normalTexture, vec2(uv.x - step, uv.y - step)).r; + float l = texture2D(normalTexture, vec2(uv.x - step, uv.y)).r; + float dX = (tr + 2.0 * r + br) - (tl + 2.0 * l + bl); + float dY = (bl + 2.0 * b + br) - (tl + 2.0 * t + tr); + vec4 bump = vec4 (normalize(vec3 (dX, dY, 0.1)),1.0); + float height = 2.0 * texture2D(normalTexture, vec2(uv.x, uv.y)).r - 1.0; + vec4 base = texture2D(baseTexture, uv).rgba; + vec3 L = normalize(vec3(0.0, 0.75, 1.0)); + float specular = pow(clamp(dot(reflect(L, bump.xyz), yawVec), 0.0, 1.0), 1.0); + float diffuse = dot(yawVec, bump.xyz); + + vec3 color = (1.1 * diffuse + 0.05 * height + 0.5 * specular) * base.rgb; + vec4 col = vec4(color.rgb, base.a); + col *= gl_Color; + gl_FragColor = vec4(col.rgb, base.a); +} diff --git a/client/shaders/minimap_shader/opengl_vertex.glsl b/client/shaders/minimap_shader/opengl_vertex.glsl new file mode 100644 index 000000000..06df5a3cf --- /dev/null +++ b/client/shaders/minimap_shader/opengl_vertex.glsl @@ -0,0 +1,11 @@ +uniform mat4 mWorldViewProj; +uniform mat4 mInvWorld; +uniform mat4 mTransWorld; +uniform mat4 mWorld; + +void main(void) +{ + gl_TexCoord[0] = gl_MultiTexCoord0; + gl_Position = mWorldViewProj * gl_Vertex; + gl_FrontColor = gl_BackColor = gl_Color; +} diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl index 6dc96eb48..424d32177 100644 --- a/client/shaders/nodes_shader/opengl_fragment.glsl +++ b/client/shaders/nodes_shader/opengl_fragment.glsl @@ -1,6 +1,6 @@ uniform sampler2D baseTexture; uniform sampler2D normalTexture; -uniform sampler2D useNormalmap; +uniform sampler2D textureFlags; uniform vec4 skyBgColor; uniform float fogDistance; @@ -8,91 +8,137 @@ uniform vec3 eyePosition; varying vec3 vPosition; varying vec3 worldPosition; +varying float area_enable_parallax; varying vec3 eyeVec; varying vec3 tsEyeVec; varying vec3 lightVec; varying vec3 tsLightVec; -bool normalTexturePresent = false; +bool normalTexturePresent = false; const float e = 2.718281828459; const float BS = 10.0; - -float intensity (vec3 color){ + +void get_texture_flags() +{ + vec4 flags = texture2D(textureFlags, vec2(0.0, 0.0)); + if (flags.r > 0.5) { + normalTexturePresent = true; + } +} + +float intensity(vec3 color) +{ return (color.r + color.g + color.b) / 3.0; } -float get_rgb_height (vec2 uv){ - return intensity(texture2D(baseTexture,uv).rgb); +float get_rgb_height(vec2 uv) +{ + return intensity(texture2D(baseTexture, uv).rgb); } -vec4 get_normal_map(vec2 uv){ +vec4 get_normal_map(vec2 uv) +{ vec4 bump = texture2D(normalTexture, uv).rgba; - bump.xyz = normalize(bump.xyz * 2.0 -1.0); - bump.y = -bump.y; + bump.xyz = normalize(bump.xyz * 2.0 - 1.0); return bump; } -void main (void) +float find_intersection(vec2 dp, vec2 ds) +{ + const float depth_step = 1.0 / 24.0; + float depth = 1.0; + for (int i = 0 ; i < 24 ; i++) { + float h = texture2D(normalTexture, dp + ds * depth).a; + if (h >= depth) + break; + depth -= depth_step; + } + return depth; +} + +float find_intersectionRGB(vec2 dp, vec2 ds) +{ + const float depth_step = 1.0 / 24.0; + float depth = 1.0; + for (int i = 0 ; i < 24 ; i++) { + float h = get_rgb_height(dp + ds * depth); + if (h >= depth) + break; + depth -= depth_step; + } + return depth; +} + +void main(void) { vec3 color; vec4 bump; vec2 uv = gl_TexCoord[0].st; bool use_normalmap = false; - -#ifdef USE_NORMALMAPS - if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){ - normalTexturePresent = true; - } -#endif + get_texture_flags(); #ifdef ENABLE_PARALLAX_OCCLUSION - if (normalTexturePresent){ - vec3 tsEye = normalize(tsEyeVec); - float height = PARALLAX_OCCLUSION_SCALE * texture2D(normalTexture, uv).a - PARALLAX_OCCLUSION_BIAS; - uv = uv + texture2D(normalTexture, uv).z * height * vec2(tsEye.x,-tsEye.y); + vec2 eyeRay = vec2 (tsEyeVec.x, -tsEyeVec.y); + const float scale = PARALLAX_OCCLUSION_SCALE / PARALLAX_OCCLUSION_ITERATIONS; + const float bias = PARALLAX_OCCLUSION_BIAS / PARALLAX_OCCLUSION_ITERATIONS; + +#if PARALLAX_OCCLUSION_MODE == 0 + // Parallax occlusion with slope information + if (normalTexturePresent && area_enable_parallax > 0.0) { + for (int i = 0; i < PARALLAX_OCCLUSION_ITERATIONS; i++) { + vec4 normal = texture2D(normalTexture, uv.xy); + float h = normal.a * scale - bias; + uv += h * normal.z * eyeRay; + } +#endif + +#if PARALLAX_OCCLUSION_MODE == 1 + // Relief mapping + if (normalTexturePresent && area_enable_parallax > 0.0) { + vec2 ds = eyeRay * PARALLAX_OCCLUSION_SCALE; + float dist = find_intersection(uv, ds); + uv += dist * ds; +#endif + } else if (GENERATE_NORMALMAPS == 1 && area_enable_parallax > 0.0) { + vec2 ds = eyeRay * PARALLAX_OCCLUSION_SCALE; + float dist = find_intersectionRGB(uv, ds); + uv += dist * ds; } #endif -#ifdef USE_NORMALMAPS - if (normalTexturePresent){ +#if USE_NORMALMAPS == 1 + if (normalTexturePresent) { bump = get_normal_map(uv); use_normalmap = true; - } + } #endif - -#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)); + + if (GENERATE_NORMALMAPS == 1 && normalTexturePresent == 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); + bump = vec4(normalize(vec3 (dX, dY, NORMALMAPS_STRENGTH)), 1.0); use_normalmap = true; } -#endif -vec4 base = texture2D(baseTexture, uv).rgba; - + vec4 base = texture2D(baseTexture, uv).rgba; + #ifdef ENABLE_BUMPMAPPING - if (use_normalmap){ + 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); - /* Mathematic optimization - * Original: color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb; - * This optimization save 2 multiplications (orig: 4 multiplications + 3 additions - * end: 2 multiplications + 3 additions) - */ - color = (0.05 + diffuse + 0.2 * specular) * base.rgb; + float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0), 1.0); + float diffuse = dot(-E,bump.xyz); + color = (diffuse + 0.1 * specular) * base.rgb; } else { color = base.rgb; } @@ -104,7 +150,7 @@ vec4 base = texture2D(baseTexture, uv).rgba; float alpha = gl_Color.a; vec4 col = vec4(color.rgb, alpha); col *= gl_Color; - if(fogDistance != 0.0){ + 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); } @@ -112,7 +158,7 @@ vec4 base = texture2D(baseTexture, uv).rgba; #else vec4 col = vec4(color.rgb, base.a); col *= gl_Color; - if(fogDistance != 0.0){ + if (fogDistance != 0.0) { float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); col = mix(col, skyBgColor, d); } diff --git a/client/shaders/nodes_shader/opengl_vertex.glsl b/client/shaders/nodes_shader/opengl_vertex.glsl index 07684f616..53d5c92d0 100644 --- a/client/shaders/nodes_shader/opengl_vertex.glsl +++ b/client/shaders/nodes_shader/opengl_vertex.glsl @@ -14,25 +14,40 @@ varying vec3 eyeVec; varying vec3 lightVec;
varying vec3 tsEyeVec;
varying vec3 tsLightVec;
+varying float area_enable_parallax; const float e = 2.718281828459;
const float BS = 10.0;
-float smoothCurve( float x ) {
- return x * x *( 3.0 - 2.0 * x );
+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 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;
+float smoothTriangleWave(float x) +{ + return smoothCurve(triangleWave(x)) * 2.0 - 1.0; }
void main(void)
{
gl_TexCoord[0] = gl_MultiTexCoord0;
-
-#if (MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT || MATERIAL_TYPE == TILE_MATERIAL_LIQUID_OPAQUE) && ENABLE_WAVING_WATER
+ //TODO: make offset depending on view angle and parallax uv displacement
+ //thats for textures that doesnt align vertically, like dirt with grass
+ //gl_TexCoord[0].y += 0.008; +
+ //Allow parallax/relief mapping only for certain kind of nodes
+ //Variable is also used to control area of the effect +#if (DRAW_TYPE == NDT_NORMAL || DRAW_TYPE == NDT_LIQUID || DRAW_TYPE == NDT_FLOWINGLIQUID) + area_enable_parallax = 1.0; +#else + area_enable_parallax = 0.0; +#endif + +#if ((MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT || MATERIAL_TYPE == TILE_MATERIAL_LIQUID_OPAQUE) && ENABLE_WAVING_WATER) vec4 pos = gl_Vertex;
pos.y -= 2.0;
@@ -76,43 +91,33 @@ void main(void) vPosition = gl_Position.xyz;
worldPosition = (mWorld * gl_Vertex).xyz;
+ + // Don't generate heightmaps when too far from the eye + float dist = distance (vec3(0.0, 0.0 ,0.0), vPosition); + if (dist > 150.0) { + area_enable_parallax = 0.0; + } + 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);
+ tangent = normalize(gl_NormalMatrix * gl_MultiTexCoord1.xyz); + binormal = normalize(gl_NormalMatrix * gl_MultiTexCoord2.xyz); + + vec3 v; lightVec = sunPosition - worldPosition;
- tsLightVec = lightVec * tbnMatrix;
- eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
- tsEyeVec = eyeVec * tbnMatrix;
+ v.x = dot(lightVec, tangent); + v.y = dot(lightVec, binormal); + v.z = dot(lightVec, normal); + tsLightVec = normalize (v); + + eyeVec = -(gl_ModelViewMatrix * gl_Vertex).xyz; + v.x = dot(eyeVec, tangent); + v.y = dot(eyeVec, binormal); + v.z = dot(eyeVec, normal); + tsEyeVec = normalize (v); vec4 color;
float day = gl_Color.r;
diff --git a/client/shaders/water_surface_shader/opengl_fragment.glsl b/client/shaders/water_surface_shader/opengl_fragment.glsl index 6dc96eb48..75751e243 100644 --- a/client/shaders/water_surface_shader/opengl_fragment.glsl +++ b/client/shaders/water_surface_shader/opengl_fragment.glsl @@ -1,6 +1,6 @@ uniform sampler2D baseTexture; uniform sampler2D normalTexture; -uniform sampler2D useNormalmap; +uniform sampler2D textureFlags; uniform vec4 skyBgColor; uniform float fogDistance; @@ -14,41 +14,59 @@ varying vec3 tsEyeVec; varying vec3 lightVec; varying vec3 tsLightVec; -bool normalTexturePresent = false; +bool normalTexturePresent = false; +bool texTileableHorizontal = false; +bool texTileableVertical = false; +bool texSeamless = false; const float e = 2.718281828459; const float BS = 10.0; - -float intensity (vec3 color){ + +void get_texture_flags() +{ + vec4 flags = texture2D(textureFlags, vec2(0.0, 0.0)); + if (flags.r > 0.5) { + normalTexturePresent = true; + } + if (flags.g > 0.5) { + texTileableHorizontal = true; + } + if (flags.b > 0.5) { + texTileableVertical = true; + } + if (texTileableHorizontal && texTileableVertical) { + texSeamless = true; + } +} + +float intensity(vec3 color) +{ return (color.r + color.g + color.b) / 3.0; } -float get_rgb_height (vec2 uv){ +float get_rgb_height(vec2 uv) +{ return intensity(texture2D(baseTexture,uv).rgb); } -vec4 get_normal_map(vec2 uv){ +vec4 get_normal_map(vec2 uv) +{ vec4 bump = texture2D(normalTexture, uv).rgba; bump.xyz = normalize(bump.xyz * 2.0 -1.0); bump.y = -bump.y; return bump; } -void main (void) +void main(void) { vec3 color; vec4 bump; vec2 uv = gl_TexCoord[0].st; bool use_normalmap = false; - -#ifdef USE_NORMALMAPS - if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0){ - normalTexturePresent = true; - } -#endif + get_texture_flags(); #ifdef ENABLE_PARALLAX_OCCLUSION - if (normalTexturePresent){ + if (normalTexturePresent) { vec3 tsEye = normalize(tsEyeVec); float height = PARALLAX_OCCLUSION_SCALE * texture2D(normalTexture, uv).a - PARALLAX_OCCLUSION_BIAS; uv = uv + texture2D(normalTexture, uv).z * height * vec2(tsEye.x,-tsEye.y); @@ -56,14 +74,13 @@ void main (void) #endif #ifdef USE_NORMALMAPS - if (normalTexturePresent){ + if (normalTexturePresent) { bump = get_normal_map(uv); use_normalmap = true; } #endif - -#ifdef GENERATE_NORMALMAPS - if (use_normalmap == false){ + + if (GENERATE_NORMALMAPS == 1 && 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)); @@ -77,16 +94,15 @@ void main (void) 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){ + 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); + float specular = pow(clamp(dot(reflect(L, bump.xyz), E), 0.0, 1.0),0.5); + float diffuse = dot(E,bump.xyz); /* Mathematic optimization * Original: color = 0.05*base.rgb + diffuse*base.rgb + 0.2*specular*base.rgb; * This optimization save 2 multiplications (orig: 4 multiplications + 3 additions diff --git a/client/shaders/water_surface_shader/opengl_vertex.glsl b/client/shaders/water_surface_shader/opengl_vertex.glsl index 6e70bbc36..7ae517d8a 100644 --- a/client/shaders/water_surface_shader/opengl_vertex.glsl +++ b/client/shaders/water_surface_shader/opengl_vertex.glsl @@ -18,20 +18,23 @@ varying vec3 tsLightVec; const float e = 2.718281828459;
const float BS = 10.0;
-float smoothCurve( float x ) {
- return x * x *( 3.0 - 2.0 * x );
+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 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;
+float smoothTriangleWave(float x) +{ + return smoothCurve(triangleWave( x )) * 2.0 - 1.0; }
void main(void)
{
gl_TexCoord[0] = gl_MultiTexCoord0;
-
+ #if (MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT || MATERIAL_TYPE == TILE_MATERIAL_LIQUID_OPAQUE) && ENABLE_WAVING_WATER
vec4 pos = gl_Vertex;
pos.y -= 2.0;
diff --git a/client/shaders/wielded_shader/opengl_fragment.glsl b/client/shaders/wielded_shader/opengl_fragment.glsl new file mode 100644 index 000000000..75dd1b674 --- /dev/null +++ b/client/shaders/wielded_shader/opengl_fragment.glsl @@ -0,0 +1,114 @@ +uniform sampler2D baseTexture; +uniform sampler2D normalTexture; +uniform sampler2D textureFlags; + +uniform vec4 skyBgColor; +uniform float fogDistance; +uniform vec3 eyePosition; + +varying vec3 vPosition; +varying vec3 worldPosition; + +varying vec3 eyeVec; +varying vec3 lightVec; + +bool normalTexturePresent = false; +bool texTileableHorizontal = false; +bool texTileableVertical = false; +bool texSeamless = false; + +const float e = 2.718281828459; +const float BS = 10.0; + +void get_texture_flags() +{ + vec4 flags = texture2D(textureFlags, vec2(0.0, 0.0)); + if (flags.r > 0.5) { + normalTexturePresent = true; + } + if (flags.g > 0.5) { + texTileableHorizontal = true; + } + if (flags.b > 0.5) { + texTileableVertical = true; + } + if (texTileableHorizontal && texTileableVertical) { + texSeamless = true; + } +} + +float intensity(vec3 color) +{ + return (color.r + color.g + color.b) / 3.0; +} + +float get_rgb_height(vec2 uv) +{ + if (texSeamless) { + return intensity(texture2D(baseTexture, uv).rgb); + } else { + return intensity(texture2D(baseTexture, clamp(uv, 0.0, 0.999)).rgb); + } +} + +vec4 get_normal_map(vec2 uv) +{ + vec4 bump = texture2D(normalTexture, uv).rgba; + bump.xyz = normalize(bump.xyz * 2.0 - 1.0); + return bump; +} + +void main(void) +{ + vec3 color; + vec4 bump; + vec2 uv = gl_TexCoord[0].st; + bool use_normalmap = false; + get_texture_flags(); + +#if USE_NORMALMAPS == 1 + if (normalTexturePresent) { + bump = get_normal_map(uv); + use_normalmap = true; + } +#endif + + if (GENERATE_NORMALMAPS == 1 && normalTexturePresent == 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; + } + + 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), 1.0); + float diffuse = dot(-E,bump.xyz); + color = (diffuse + 0.1 * specular) * base.rgb; + } else { + color = base.rgb; + } +#else + color = base.rgb; +#endif + + vec4 col = vec4(color.rgb, base.a); + 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); +} diff --git a/client/shaders/wielded_shader/opengl_vertex.glsl b/client/shaders/wielded_shader/opengl_vertex.glsl new file mode 100644 index 000000000..a2ab9fa5f --- /dev/null +++ b/client/shaders/wielded_shader/opengl_vertex.glsl @@ -0,0 +1,35 @@ +uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+uniform mat4 mWorld;
+
+uniform float dayNightRatio;
+uniform vec3 eyePosition;
+uniform float animationTimer;
+
+varying vec3 vPosition;
+varying vec3 worldPosition;
+
+varying vec3 eyeVec;
+varying vec3 lightVec;
+varying vec3 tsEyeVec;
+varying vec3 tsLightVec;
+
+const float e = 2.718281828459;
+const float BS = 10.0;
+
+void main(void)
+{
+ gl_TexCoord[0] = gl_MultiTexCoord0;
+ gl_Position = mWorldViewProj * gl_Vertex;
+
+ 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; +
+ gl_FrontColor = gl_BackColor = gl_Color;
+}
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