mirror of
https://github.com/minetest/minetest.git
synced 2024-08-19 04:54:18 +02:00
Fix relief mapping issues
This commit is contained in:
parent
b30e8d8ec6
commit
655fc6010f
@ -1,6 +1,6 @@
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uniform sampler2D baseTexture;
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uniform sampler2D normalTexture;
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uniform sampler2D useNormalmap;
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uniform sampler2D textureFlags;
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uniform vec4 skyBgColor;
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uniform float fogDistance;
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@ -15,19 +15,73 @@ varying vec3 tsEyeVec;
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varying vec3 lightVec;
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varying vec3 tsLightVec;
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bool normalTexturePresent = false;
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bool normalTexturePresent = false;
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bool texTileableHorizontal = false;
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bool texTileableVertical = false;
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bool texSeamless = false;
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const float e = 2.718281828459;
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const float BS = 10.0;
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float intensity (vec3 color)
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void get_texture_flags()
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{
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vec4 flags = texture2D(textureFlags, vec2(0.0, 0.0));
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if (flags.r > 0.5) {
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normalTexturePresent = true;
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}
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if (flags.g > 0.5) {
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texTileableHorizontal = true;
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}
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if (flags.b > 0.5) {
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texTileableVertical = true;
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}
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if (texTileableHorizontal && texTileableVertical) {
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texSeamless = true;
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}
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}
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vec2 validate_displacement(vec2 uv, vec2 ds, float dist)
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{
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if (texSeamless) {
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uv += dist * ds;
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} else if (texTileableVertical == false) {
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vec2 uv2 = uv + dist * ds;
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// limit vertical texure displacement
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if ((uv.y + uv2.y) < 0.0) {
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uv.y = 0.0;
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} else if ((uv.y + uv2.y) > 1.999) {
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uv.y = 0.999;
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} else {
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uv.y = uv2.y;
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}
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uv.x = uv2.x;
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} else {
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vec2 uv2 = uv + dist * ds;
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// limit horizontal texure displacement
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if ((uv.x + uv2.x) < 0.0) {
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uv.x = 0.0;
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} else if ((uv.x + uv2.x) > 1.999) {
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uv.x = 0.999;
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} else {
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uv.x = uv2.x;
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}
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uv.y = uv2.y;
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}
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return uv;
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}
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float intensity(vec3 color)
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{
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return (color.r + color.g + color.b) / 3.0;
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}
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float get_rgb_height (vec2 uv)
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float get_rgb_height(vec2 uv)
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{
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return intensity(texture2D(baseTexture,uv).rgb);
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if (texSeamless) {
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return intensity(texture2D(baseTexture, uv).rgb);
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} else {
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return intensity(texture2D(baseTexture, clamp(uv, 0.0, 0.999)).rgb);
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}
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}
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vec4 get_normal_map(vec2 uv)
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@ -50,7 +104,8 @@ float find_intersection(vec2 dp, vec2 ds)
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return depth;
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}
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float find_intersectionRGB(vec2 dp, vec2 ds) {
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float find_intersectionRGB(vec2 dp, vec2 ds)
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{
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const float depth_step = 1.0 / 24.0;
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float depth = 1.0;
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for (int i = 0 ; i < 24 ; i++) {
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@ -62,24 +117,19 @@ float find_intersectionRGB(vec2 dp, vec2 ds) {
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return depth;
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}
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void main (void)
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void main(void)
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{
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vec3 color;
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vec4 bump;
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vec2 uv = gl_TexCoord[0].st;
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bool use_normalmap = false;
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#if USE_NORMALMAPS == 1
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if (texture2D(useNormalmap,vec2(1.0, 1.0)).r > 0.0) {
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normalTexturePresent = true;
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}
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#endif
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get_texture_flags();
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#ifdef ENABLE_PARALLAX_OCCLUSION
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vec2 eyeRay = vec2 (tsEyeVec.x, -tsEyeVec.y);
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const float scale = PARALLAX_OCCLUSION_SCALE / PARALLAX_OCCLUSION_ITERATIONS;
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const float bias = PARALLAX_OCCLUSION_BIAS / PARALLAX_OCCLUSION_ITERATIONS;
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#if PARALLAX_OCCLUSION_MODE == 0
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// Parallax occlusion with slope information
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if (normalTexturePresent && area_enable_parallax > 0.0) {
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@ -89,17 +139,23 @@ void main (void)
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uv += h * normal.z * eyeRay;
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}
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#endif
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#if PARALLAX_OCCLUSION_MODE == 1
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// Relief mapping
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if (normalTexturePresent && area_enable_parallax > 0.0) {
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vec2 ds = eyeRay * PARALLAX_OCCLUSION_SCALE;
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// offset the texture by maximum possible displacement,
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// this will help align seamless and non seamless textures
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uv -= ds;
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float dist = find_intersection(uv, ds);
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uv += dist * ds;
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uv = validate_displacement(uv, ds, dist);
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#endif
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} else if (GENERATE_NORMALMAPS == 1 && area_enable_parallax > 0.0) {
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vec2 ds = eyeRay * PARALLAX_OCCLUSION_SCALE;
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uv -= ds;
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float dist = find_intersectionRGB(uv, ds);
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uv += dist * ds;
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uv = validate_displacement(uv, ds, dist);
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}
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#endif
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@ -107,10 +163,10 @@ void main (void)
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if (normalTexturePresent) {
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bump = get_normal_map(uv);
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use_normalmap = true;
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}
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}
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#endif
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if (GENERATE_NORMALMAPS == 1 && use_normalmap == false) {
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if (GENERATE_NORMALMAPS == 1 && normalTexturePresent == false) {
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float tl = get_rgb_height(vec2(uv.x - SAMPLE_STEP, uv.y + SAMPLE_STEP));
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float t = get_rgb_height(vec2(uv.x - SAMPLE_STEP, uv.y - SAMPLE_STEP));
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float tr = get_rgb_height(vec2(uv.x + SAMPLE_STEP, uv.y + SAMPLE_STEP));
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@ -94,7 +94,7 @@ void main(void)
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// Don't generate heightmaps when too far from the eye
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float dist = distance (vec3(0.0, 0.0 ,0.0), vPosition);
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if (dist > 120.0) {
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if (dist > 300.0) {
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area_enable_parallax = 0.0;
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}
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@ -1,6 +1,6 @@
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uniform sampler2D baseTexture;
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uniform sampler2D normalTexture;
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uniform sampler2D useNormalmap;
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uniform sampler2D textureFlags;
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uniform vec4 skyBgColor;
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uniform float fogDistance;
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@ -15,37 +15,55 @@ varying vec3 lightVec;
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varying vec3 tsLightVec;
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bool normalTexturePresent = false;
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bool texTileableHorizontal = false;
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bool texTileableVertical = false;
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bool texSeamless = false;
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const float e = 2.718281828459;
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const float BS = 10.0;
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float intensity (vec3 color){
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void get_texture_flags()
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{
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vec4 flags = texture2D(textureFlags, vec2(0.0, 0.0));
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if (flags.r > 0.5) {
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normalTexturePresent = true;
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}
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if (flags.g > 0.5) {
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texTileableHorizontal = true;
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}
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if (flags.b > 0.5) {
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texTileableVertical = true;
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}
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if (texTileableHorizontal && texTileableVertical) {
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texSeamless = true;
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}
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}
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float intensity(vec3 color)
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{
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return (color.r + color.g + color.b) / 3.0;
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}
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float get_rgb_height (vec2 uv){
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float get_rgb_height(vec2 uv)
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{
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return intensity(texture2D(baseTexture,uv).rgb);
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}
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vec4 get_normal_map(vec2 uv){
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vec4 get_normal_map(vec2 uv)
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{
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vec4 bump = texture2D(normalTexture, uv).rgba;
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bump.xyz = normalize(bump.xyz * 2.0 -1.0);
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bump.y = -bump.y;
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return bump;
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}
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void main (void)
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void main(void)
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{
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vec3 color;
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vec4 bump;
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vec2 uv = gl_TexCoord[0].st;
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bool use_normalmap = false;
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#ifdef USE_NORMALMAPS
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if (texture2D(useNormalmap,vec2(1.0,1.0)).r > 0.0) {
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normalTexturePresent = true;
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}
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#endif
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get_texture_flags();
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#ifdef ENABLE_PARALLAX_OCCLUSION
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if (normalTexturePresent) {
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@ -3058,8 +3058,13 @@ Definition tables
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### Tile definition
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* `"image.png"`
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* `{name="image.png", animation={Tile Animation definition}}`
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* `{name="image.png", backface_culling=bool}`
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* backface culling only supported in special tiles
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* `{name="image.png", backface_culling=bool, tileable_vertical=bool,
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tileable_horizontal=bool}`
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* backface culling only supported in special tiles.
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* tileable flags are info for shaders, how they should treat texture
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when displacement mapping is used
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Directions are from the point of view of the tile texture,
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not the node it's on
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* deprecated, yet still supported field names:
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* `image` (name)
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@ -722,7 +722,9 @@ minetest.register_node("default:stone_with_iron", {
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minetest.register_node("default:dirt_with_grass", {
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description = "Dirt with grass",
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tiles ={"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
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tiles ={"default_grass.png", "default_dirt.png",
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{name = "default_dirt.png^default_grass_side.png",
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tileable_vertical = false}},
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groups = {crumbly=3, soil=1},
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drop = 'default:dirt',
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sounds = default.node_sound_dirt_defaults({
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@ -732,7 +734,9 @@ minetest.register_node("default:dirt_with_grass", {
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minetest.register_node("default:dirt_with_grass_footsteps", {
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description = "Dirt with grass and footsteps",
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tiles ={"default_grass_footsteps.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
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tiles ={"default_grass_footsteps.png", "default_dirt.png",
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{name = "default_dirt.png^default_grass_side.png",
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tileable_vertical = false}},
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groups = {crumbly=3, soil=1},
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drop = 'default:dirt',
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sounds = default.node_sound_dirt_defaults({
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@ -35,6 +35,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "util/string.h" // for parseColorString()
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#include "imagefilters.h"
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#include "guiscalingfilter.h"
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#include "nodedef.h"
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#ifdef __ANDROID__
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#include <GLES/gl.h>
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@ -330,7 +332,7 @@ public:
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*/
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video::ITexture* getTexture(u32 id);
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video::ITexture* getTexture(const std::string &name, u32 *id);
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video::ITexture* getTexture(const std::string &name, u32 *id = NULL);
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/*
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Get a texture specifically intended for mesh
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@ -383,6 +385,7 @@ public:
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video::ITexture* getNormalTexture(const std::string &name);
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video::SColor getTextureAverageColor(const std::string &name);
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video::ITexture *getShaderFlagsTexture(TileDef *tiledef, TileSpec *tile);
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private:
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@ -1992,9 +1995,8 @@ void imageTransform(u32 transform, video::IImage *src, video::IImage *dst)
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video::ITexture* TextureSource::getNormalTexture(const std::string &name)
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{
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u32 id;
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if (isKnownSourceImage("override_normal.png"))
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return getTexture("override_normal.png", &id);
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return getTexture("override_normal.png");
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std::string fname_base = name;
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std::string normal_ext = "_normal.png";
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size_t pos = fname_base.find(".");
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@ -2006,7 +2008,7 @@ video::ITexture* TextureSource::getNormalTexture(const std::string &name)
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fname_base.replace(i, 4, normal_ext);
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i += normal_ext.length();
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}
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return getTexture(fname_base, &id);
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return getTexture(fname_base);
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}
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return NULL;
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}
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@ -2015,8 +2017,7 @@ video::SColor TextureSource::getTextureAverageColor(const std::string &name)
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{
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video::IVideoDriver *driver = m_device->getVideoDriver();
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video::SColor c(0, 0, 0, 0);
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u32 id;
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video::ITexture *texture = getTexture(name, &id);
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video::ITexture *texture = getTexture(name);
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video::IImage *image = driver->createImage(texture,
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core::position2d<s32>(0, 0),
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texture->getOriginalSize());
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@ -2048,3 +2049,31 @@ video::SColor TextureSource::getTextureAverageColor(const std::string &name)
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c.setAlpha(255);
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return c;
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}
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video::ITexture *TextureSource::getShaderFlagsTexture(TileDef *tiledef, TileSpec *tile)
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{
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std::string tname = "__shaderFlagsTexture";
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bool normalmap_present = tile->normal_texture ? true : false;
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tname += normalmap_present ? "1" : "0";
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tname += tiledef->tileable_horizontal ? "1" : "0";
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tname += tiledef->tileable_vertical ? "1" : "0";
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if (isKnownSourceImage(tname)) {
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return getTexture(tname);
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} else {
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video::IVideoDriver *driver = m_device->getVideoDriver();
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video::IImage *flags_image = driver->createImage(
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video::ECF_A8R8G8B8, core::dimension2d<u32>(1, 1));
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sanity_check(flags_image != NULL);
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video::SColor c(
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255,
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normalmap_present ? 255 : 0,
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tiledef->tileable_horizontal ? 255 : 0,
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tiledef->tileable_vertical ? 255 : 0);
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flags_image->setPixel(0, 0, c);
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insertSourceImage(tname, flags_image);
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flags_image->drop();
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return getTexture(tname);
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}
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}
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@ -31,6 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "util/numeric.h"
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class IGameDef;
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struct TileSpec;
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struct TileDef;
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/*
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tile.{h,cpp}: Texture handling stuff.
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@ -111,6 +113,7 @@ public:
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const TextureFromMeshParams ¶ms)=0;
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virtual video::ITexture* getNormalTexture(const std::string &name)=0;
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virtual video::SColor getTextureAverageColor(const std::string &name)=0;
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virtual video::ITexture *getShaderFlagsTexture(TileDef *tiledef, TileSpec *tile)=0;
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};
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class IWritableTextureSource : public ITextureSource
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@ -133,6 +136,7 @@ public:
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virtual void rebuildImagesAndTextures()=0;
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virtual video::ITexture* getNormalTexture(const std::string &name)=0;
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virtual video::SColor getTextureAverageColor(const std::string &name)=0;
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virtual video::ITexture *getShaderFlagsTexture(TileDef *tiledef, TileSpec *tile)=0;
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};
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IWritableTextureSource* createTextureSource(IrrlichtDevice *device);
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@ -172,12 +176,14 @@ struct FrameSpec
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FrameSpec():
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texture_id(0),
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texture(NULL),
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normal_texture(NULL)
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normal_texture(NULL),
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flags_texture(NULL)
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{
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}
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u32 texture_id;
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video::ITexture *texture;
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video::ITexture *normal_texture;
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video::ITexture *flags_texture;
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};
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struct TileSpec
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@ -186,6 +192,7 @@ struct TileSpec
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texture_id(0),
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texture(NULL),
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normal_texture(NULL),
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flags_texture(NULL),
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alpha(255),
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material_type(TILE_MATERIAL_BASIC),
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material_flags(
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@ -252,6 +259,7 @@ struct TileSpec
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u32 texture_id;
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video::ITexture *texture;
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video::ITexture *normal_texture;
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video::ITexture *flags_texture;
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// Vertex alpha (when MATERIAL_ALPHA_VERTEX is used)
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u8 alpha;
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@ -266,5 +274,4 @@ struct TileSpec
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u8 rotation;
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};
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#endif
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14
src/game.cpp
14
src/game.cpp
@ -878,11 +878,11 @@ public:
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#if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
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services->setPixelShaderConstant("baseTexture" , (irr::f32 *)&layer0, 1);
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services->setPixelShaderConstant("normalTexture" , (irr::f32 *)&layer1, 1);
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services->setPixelShaderConstant("useNormalmap" , (irr::f32 *)&layer2, 1);
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services->setPixelShaderConstant("textureFlags" , (irr::f32 *)&layer2, 1);
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#else
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services->setPixelShaderConstant("baseTexture" , (irr::s32 *)&layer0, 1);
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services->setPixelShaderConstant("normalTexture" , (irr::s32 *)&layer1, 1);
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services->setPixelShaderConstant("useNormalmap" , (irr::s32 *)&layer2, 1);
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services->setPixelShaderConstant("textureFlags" , (irr::s32 *)&layer2, 1);
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#endif
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}
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};
|
||||
@ -4352,13 +4352,9 @@ void the_game(bool *kill,
|
||||
}
|
||||
|
||||
} catch (SerializationError &e) {
|
||||
error_message = strgettext("A serialization error occurred:")
|
||||
+ "\n" + e.what();
|
||||
if (!simple_singleplayer_mode) {
|
||||
error_message += "\n\n"
|
||||
+ strgettext("The server is probably running a different version of")
|
||||
+ " " PROJECT_NAME_C ".";
|
||||
}
|
||||
error_message = std::string("A serialization error occurred:\n")
|
||||
+ e.what() + "\n\nThe server is probably "
|
||||
" running a different version of " PROJECT_NAME_C ".";
|
||||
errorstream << error_message << std::endl;
|
||||
} catch (ServerError &e) {
|
||||
error_message = e.what();
|
||||
|
@ -1213,10 +1213,8 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
|
||||
p.tile.applyMaterialOptionsWithShaders(material);
|
||||
if (p.tile.normal_texture) {
|
||||
material.setTexture(1, p.tile.normal_texture);
|
||||
material.setTexture(2, m_tsrc->getTextureForMesh("enable_img.png"));
|
||||
} else {
|
||||
material.setTexture(2, m_tsrc->getTextureForMesh("disable_img.png"));
|
||||
}
|
||||
material.setTexture(2, p.tile.flags_texture);
|
||||
} else {
|
||||
p.tile.applyMaterialOptions(material);
|
||||
}
|
||||
@ -1349,10 +1347,8 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
|
||||
if (m_enable_shaders) {
|
||||
if (animation_frame.normal_texture) {
|
||||
buf->getMaterial().setTexture(1, animation_frame.normal_texture);
|
||||
buf->getMaterial().setTexture(2, m_tsrc->getTextureForMesh("enable_img.png"));
|
||||
} else {
|
||||
buf->getMaterial().setTexture(2, m_tsrc->getTextureForMesh("disable_img.png"));
|
||||
}
|
||||
buf->getMaterial().setTexture(2, animation_frame.flags_texture);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -130,6 +130,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
presentation
|
||||
Add TOCLIENT_AUTH_ACCEPT to accept connection from client
|
||||
Rename GENERIC_CMD_SET_ATTACHMENT to GENERIC_CMD_ATTACH_TO
|
||||
PROTOCOL_VERSION 26:
|
||||
Add TileDef tileable_horizontal, tileable_vertical flags
|
||||
*/
|
||||
|
||||
#define LATEST_PROTOCOL_VERSION 25
|
||||
|
@ -120,7 +120,9 @@ void NodeBox::deSerialize(std::istream &is)
|
||||
|
||||
void TileDef::serialize(std::ostream &os, u16 protocol_version) const
|
||||
{
|
||||
if(protocol_version >= 17)
|
||||
if (protocol_version >= 26)
|
||||
writeU8(os, 2);
|
||||
else if (protocol_version >= 17)
|
||||
writeU8(os, 1);
|
||||
else
|
||||
writeU8(os, 0);
|
||||
@ -129,8 +131,12 @@ void TileDef::serialize(std::ostream &os, u16 protocol_version) const
|
||||
writeU16(os, animation.aspect_w);
|
||||
writeU16(os, animation.aspect_h);
|
||||
writeF1000(os, animation.length);
|
||||
if(protocol_version >= 17)
|
||||
if (protocol_version >= 17)
|
||||
writeU8(os, backface_culling);
|
||||
if (protocol_version >= 26) {
|
||||
writeU8(os, tileable_horizontal);
|
||||
writeU8(os, tileable_vertical);
|
||||
}
|
||||
}
|
||||
|
||||
void TileDef::deSerialize(std::istream &is)
|
||||
@ -141,10 +147,15 @@ void TileDef::deSerialize(std::istream &is)
|
||||
animation.aspect_w = readU16(is);
|
||||
animation.aspect_h = readU16(is);
|
||||
animation.length = readF1000(is);
|
||||
if(version >= 1)
|
||||
if (version >= 1)
|
||||
backface_culling = readU8(is);
|
||||
if (version >= 2) {
|
||||
tileable_horizontal = readU8(is);
|
||||
tileable_vertical = readU8(is);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
SimpleSoundSpec serialization
|
||||
*/
|
||||
@ -183,6 +194,7 @@ void ContentFeatures::reset()
|
||||
solidness = 2;
|
||||
visual_solidness = 0;
|
||||
backface_culling = true;
|
||||
|
||||
#endif
|
||||
has_on_construct = false;
|
||||
has_on_destruct = false;
|
||||
@ -996,9 +1008,11 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
|
||||
tile->alpha = alpha;
|
||||
tile->material_type = material_type;
|
||||
|
||||
// Normal texture
|
||||
if (use_normal_texture)
|
||||
// Normal texture and shader flags texture
|
||||
if (use_normal_texture) {
|
||||
tile->normal_texture = tsrc->getNormalTexture(tiledef->name);
|
||||
}
|
||||
tile->flags_texture = tsrc->getShaderFlagsTexture(tiledef, tile);
|
||||
|
||||
// Material flags
|
||||
tile->material_flags = 0;
|
||||
@ -1038,6 +1052,7 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
|
||||
frame.texture = tsrc->getTextureForMesh(os.str(), &frame.texture_id);
|
||||
if (tile->normal_texture)
|
||||
frame.normal_texture = tsrc->getNormalTexture(os.str());
|
||||
frame.flags_texture = tile->flags_texture;
|
||||
tile->frames[i] = frame;
|
||||
}
|
||||
}
|
||||
|
@ -113,6 +113,8 @@ struct TileDef
|
||||
{
|
||||
std::string name;
|
||||
bool backface_culling; // Takes effect only in special cases
|
||||
bool tileable_horizontal;
|
||||
bool tileable_vertical;
|
||||
struct{
|
||||
enum TileAnimationType type;
|
||||
int aspect_w; // width for aspect ratio
|
||||
@ -124,6 +126,8 @@ struct TileDef
|
||||
{
|
||||
name = "";
|
||||
backface_culling = true;
|
||||
tileable_horizontal = true;
|
||||
tileable_vertical = true;
|
||||
animation.type = TAT_NONE;
|
||||
animation.aspect_w = 1;
|
||||
animation.aspect_h = 1;
|
||||
|
@ -277,20 +277,24 @@ TileDef read_tiledef(lua_State *L, int index)
|
||||
getstringfield(L, index, "name", tiledef.name);
|
||||
getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
|
||||
tiledef.backface_culling = getboolfield_default(
|
||||
L, index, "backface_culling", true);
|
||||
L, index, "backface_culling", true);
|
||||
tiledef.tileable_horizontal = getboolfield_default(
|
||||
L, index, "tileable_horizontal", true);
|
||||
tiledef.tileable_vertical = getboolfield_default(
|
||||
L, index, "tileable_vertical", true);
|
||||
// animation = {}
|
||||
lua_getfield(L, index, "animation");
|
||||
if(lua_istable(L, -1)){
|
||||
// {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
|
||||
tiledef.animation.type = (TileAnimationType)
|
||||
getenumfield(L, -1, "type", es_TileAnimationType,
|
||||
TAT_NONE);
|
||||
getenumfield(L, -1, "type", es_TileAnimationType,
|
||||
TAT_NONE);
|
||||
tiledef.animation.aspect_w =
|
||||
getintfield_default(L, -1, "aspect_w", 16);
|
||||
getintfield_default(L, -1, "aspect_w", 16);
|
||||
tiledef.animation.aspect_h =
|
||||
getintfield_default(L, -1, "aspect_h", 16);
|
||||
getintfield_default(L, -1, "aspect_h", 16);
|
||||
tiledef.animation.length =
|
||||
getfloatfield_default(L, -1, "length", 1.0);
|
||||
getfloatfield_default(L, -1, "length", 1.0);
|
||||
}
|
||||
lua_pop(L, 1);
|
||||
}
|
||||
|
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Loading…
Reference in New Issue
Block a user