diff options
Diffstat (limited to 'client/shaders')
-rw-r--r-- | client/shaders/nodes_shader/opengl_fragment.glsl | 99 | ||||
-rw-r--r-- | client/shaders/nodes_shader/opengl_vertex.glsl | 45 | ||||
-rw-r--r-- | client/shaders/object_shader/opengl_fragment.glsl | 54 | ||||
-rw-r--r-- | client/shaders/object_shader/opengl_vertex.glsl | 5 |
4 files changed, 2 insertions, 201 deletions
diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl index 437b325d3..36d47d1f5 100644 --- a/client/shaders/nodes_shader/opengl_fragment.glsl +++ b/client/shaders/nodes_shader/opengl_fragment.glsl @@ -1,6 +1,4 @@ uniform sampler2D baseTexture; -uniform sampler2D normalTexture; -uniform sampler2D textureFlags; uniform vec4 skyBgColor; uniform float fogDistance; @@ -17,17 +15,9 @@ varying vec3 vPosition; // cameraOffset + worldPosition (for large coordinates the limits of float // precision must be considered). varying vec3 worldPosition; -varying float area_enable_parallax; varying vec3 eyeVec; -varying vec3 tsEyeVec; -varying vec3 lightVec; -varying vec3 tsLightVec; -bool normalTexturePresent = false; - -const float e = 2.718281828459; -const float BS = 10.0; const float fogStart = FOG_START; const float fogShadingParameter = 1 / ( 1 - fogStart); @@ -63,87 +53,10 @@ vec4 applyToneMapping(vec4 color) } #endif -void get_texture_flags() -{ - vec4 flags = texture2D(textureFlags, vec2(0.0, 0.0)); - if (flags.r > 0.5) { - normalTexturePresent = true; - } -} - -vec4 get_normal_map(vec2 uv) -{ - vec4 bump = texture2D(normalTexture, uv).rgba; - bump.xyz = normalize(bump.xyz * 2.0 - 1.0); - return bump; -} - -float find_intersection(vec2 dp, vec2 ds) -{ - float depth = 1.0; - float best_depth = 0.0; - float size = 0.0625; - for (int i = 0; i < 15; i++) { - depth -= size; - float h = texture2D(normalTexture, dp + ds * depth).a; - if (depth <= h) { - best_depth = depth; - break; - } - } - depth = best_depth; - for (int i = 0; i < 4; i++) { - size *= 0.5; - float h = texture2D(normalTexture,dp + ds * depth).a; - if (depth <= h) { - best_depth = depth; - depth += size; - } else { - depth -= size; - } - } - return best_depth; -} - void main(void) { vec3 color; - vec4 bump; vec2 uv = gl_TexCoord[0].st; - bool use_normalmap = false; - get_texture_flags(); - -#ifdef ENABLE_PARALLAX_OCCLUSION - 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 -#endif - -#if USE_NORMALMAPS == 1 - if (normalTexturePresent) { - bump = get_normal_map(uv); - use_normalmap = true; - } -#endif vec4 base = texture2D(baseTexture, uv).rgba; @@ -155,19 +68,7 @@ void main(void) } #endif -#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 * gl_Color.rgb, 1.0); diff --git a/client/shaders/nodes_shader/opengl_vertex.glsl b/client/shaders/nodes_shader/opengl_vertex.glsl index 0d8d0a2a5..56bff09a8 100644 --- a/client/shaders/nodes_shader/opengl_vertex.glsl +++ b/client/shaders/nodes_shader/opengl_vertex.glsl @@ -18,10 +18,6 @@ varying vec3 vPosition; varying vec3 worldPosition; varying vec3 eyeVec; -varying vec3 lightVec; -varying vec3 tsEyeVec; -varying vec3 tsLightVec; -varying float area_enable_parallax; // Color of the light emitted by the light sources. const vec3 artificialLight = vec3(1.04, 1.04, 1.04); @@ -86,21 +82,9 @@ float snoise(vec3 p) void main(void) { gl_TexCoord[0] = gl_MultiTexCoord0; - //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 - -float disp_x; -float disp_z; + float disp_x; + float disp_z; // OpenGL < 4.3 does not support continued preprocessor lines #if (MATERIAL_TYPE == TILE_MATERIAL_WAVING_LEAVES && ENABLE_WAVING_LEAVES) || (MATERIAL_TYPE == TILE_MATERIAL_WAVING_PLANTS && ENABLE_WAVING_PLANTS) vec4 pos2 = mWorld * gl_Vertex; @@ -148,32 +132,7 @@ float disp_z; vPosition = gl_Position.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); - tangent = normalize(gl_NormalMatrix * gl_MultiTexCoord1.xyz); - binormal = normalize(gl_NormalMatrix * gl_MultiTexCoord2.xyz); - - vec3 v; - - lightVec = sunPosition - worldPosition; - 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); // Calculate color. // Red, green and blue components are pre-multiplied with diff --git a/client/shaders/object_shader/opengl_fragment.glsl b/client/shaders/object_shader/opengl_fragment.glsl index a8a43e1e2..86d5c1c92 100644 --- a/client/shaders/object_shader/opengl_fragment.glsl +++ b/client/shaders/object_shader/opengl_fragment.glsl @@ -1,6 +1,4 @@ uniform sampler2D baseTexture; -uniform sampler2D normalTexture; -uniform sampler2D textureFlags; uniform vec4 emissiveColor; uniform vec4 skyBgColor; @@ -12,14 +10,8 @@ varying vec3 vPosition; varying vec3 worldPosition; varying vec3 eyeVec; -varying vec3 lightVec; varying float vIDiff; -bool normalTexturePresent = false; -bool texTileableHorizontal = false; -bool texTileableVertical = false; -bool texSeamless = false; - const float e = 2.718281828459; const float BS = 10.0; const float fogStart = FOG_START; @@ -57,44 +49,10 @@ vec4 applyToneMapping(vec4 color) } #endif -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; - } -} - -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 vec4 base = texture2D(baseTexture, uv).rgba; @@ -106,19 +64,7 @@ void main(void) } #endif -#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); diff --git a/client/shaders/object_shader/opengl_vertex.glsl b/client/shaders/object_shader/opengl_vertex.glsl index 968a07e22..f8c1cd932 100644 --- a/client/shaders/object_shader/opengl_vertex.glsl +++ b/client/shaders/object_shader/opengl_vertex.glsl @@ -9,7 +9,6 @@ varying vec3 vPosition; varying vec3 worldPosition; varying vec3 eyeVec; -varying vec3 lightVec; varying float vIDiff; const float e = 2.718281828459; @@ -33,10 +32,6 @@ void main(void) vPosition = gl_Position.xyz; vNormal = gl_Normal; 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; #if (MATERIAL_TYPE == TILE_MATERIAL_PLAIN) || (MATERIAL_TYPE == TILE_MATERIAL_PLAIN_ALPHA) |