fog

doc/Modding.md

@@ -52,7 +52,7 @@ In the root folder of your jar file (the mod) must be a file called `mod.json`.
 - `version_name`, `authors` and `name` is the classic implementation of metadata. Can be anything, will be displayed in the mod list. **Required**
 - `modding_api_version` Modding API version of minosoft. Currently `1` **Required**
 - `resource_namespace` is the prefix of items (for Minecraft it is `minecraft`). Aka the thing before the `:`.  **Required**
-- `main_class` the Main class of your mod (self explaining). The main class needs to extent the abstract class `MinosoftMod`. **Required**
+- `main_class` the Main class of your mod (self explaining). The main class needs to extend the abstract class `MinosoftMod`. **Required**
 - `loading` Loading attributes. **Optional**
   - `priority` should the mod be loaded at the beginning or at the end. Possible values are `LOWEST`, `LOW`, `NORMAL`, `HIGH`, `HIGHEST` **Optional**
 - `dependencies` Used if you need another mod to work **Optional**

src/main/java/de/bixilon/minosoft/config/key/KeyActions.kt

@@ -34,7 +34,7 @@ enum class KeyAction {
     // custom ones
 
     /**
-     * Key must be hold in addition to a other action
+     * Key must be hold in addition to another action
      */
     MODIFIER,
 

src/main/java/de/bixilon/minosoft/gui/rendering/camera/MatrixHandler.kt

@@ -75,7 +75,7 @@ class MatrixHandler(
     }
 
     private fun calculateProjectionMatrix(screenDimensions: Vec2 = renderWindow.window.sizef) {
-        projectionMatrix = glm.perspective(fov.rad.toFloat(), screenDimensions.x / screenDimensions.y, 0.01f, 10000.0f)
+        projectionMatrix = glm.perspective(fov.rad.toFloat(), screenDimensions.x / screenDimensions.y, 0.01f, 1000.0f)
     }
 
     fun init() {

src/main/java/de/bixilon/minosoft/gui/rendering/system/opengl/buffer/frame/texture/OpenGLFramebufferDepthTexture.kt

@@ -13,9 +13,12 @@ class OpenGLFramebufferDepthTexture(
         id = glGenTextures()
         glBindTexture(GL_TEXTURE_2D, id)
         glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, size.x, size.y, 0, GL_DEPTH_COMPONENT, GL_FLOAT, null as ByteBuffer?)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL)
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE)
+
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)
+
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
     }

src/main/resources/assets/minosoft/rendering/shader/framebuffer/world/world.fsh

@@ -20,16 +20,34 @@ out vec4 foutColor;
 uniform sampler2D uColor;
 uniform sampler2D uDepth;
 
+uniform float uFogStart = 60.0f;
+uniform float uFogEnd = 75.0f;
+
+#define NEAR_PLANE 0.01f
+#define FAR_PLANE 1000.0f
+
+float linearize_depth(float depth) {
+    return (2.0f * NEAR_PLANE * FAR_PLANE) / (FAR_PLANE + NEAR_PLANE - (depth * 2.0f - 1.0f) * (FAR_PLANE - NEAR_PLANE));
+}
+
+float calulate_fog_alpha(float depth) {
+    if (depth < uFogStart){
+        return 1.0f;
+    }
+    if (depth > uFogEnd){
+        discard;
+    }
+
+    return pow(1.0f - (depth - uFogStart) / (uFogEnd - uFogStart), 2);
+}
 
 void main() {
     vec4 color = texture(uColor, finUV);
     if (color.a == 0.0f) {
         discard;
     }
-    float depth = texture(uDepth, finUV).r;
-    foutColor = vec4(color.xyz, depth);
+    float depth = linearize_depth(texture(uDepth, finUV).x);
+    float alpha = calulate_fog_alpha(depth);
 
-    if (foutColor.a == 0.0f) {
-        discard;
-    }
+    foutColor = vec4(color.xyz, alpha);
 }

src/main/resources/assets/minosoft/rendering/shader/includes/texture.glsl

@@ -14,7 +14,7 @@
 
 uniform sampler2DArray uTextures[7];
 
-vec4 getTexture(uint textureId, vec3 uv) { // ToDo: This method is just stupid and workarounds a opengl crash with mesa drivers
+vec4 getTexture(uint textureId, vec3 uv) { // ToDo: This method is just stupid and workarounds an opengl crash with mesa drivers
     #if defined __NVIDIA || defined __AMD
     return texture(uTextures[textureId], uv);
     #else
@@ -30,7 +30,7 @@ vec4 getTexture(uint textureId, vec3 uv) { // ToDo: This method is just stupid a
     #endif
 }
 
-vec4 getTexture(uint textureId, vec3 uv, float mipmapLevel) { // ToDo: This method is just stupid and workarounds a opengl crash with mesa drivers
+vec4 getTexture(uint textureId, vec3 uv, float mipmapLevel) { // ToDo: This method is just stupid and workarounds an opengl crash with mesa drivers
     #if defined __NVIDIA || defined __AMD
     return textureLod(uTextures[textureId], uv, mipmapLevel);
     #else