From c62e2cd49649109f0135e56ee8add0dab2254d01 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sun, 20 Aug 2017 20:21:29 +0500
Subject: 2017-08-20

---
 cwd/shaders/entity.fs |  2 +-
 cwd/shaders/face.fs   |  4 ++++
 cwd/shaders/face.vs   |  3 +++
 cwd/shaders/sky.fs    | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 cwd/shaders/sky.vs    | 17 +++++++++++++++++
 5 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 cwd/shaders/sky.fs
 create mode 100644 cwd/shaders/sky.vs

(limited to 'cwd/shaders')

diff --git a/cwd/shaders/entity.fs b/cwd/shaders/entity.fs
index 6935d1b..f0bb42f 100644
--- a/cwd/shaders/entity.fs
+++ b/cwd/shaders/entity.fs
@@ -4,6 +4,6 @@ uniform vec3 color;
 in vec2 uvPos;
 
 void main(){
-    if (uvPos.x < 0.9 && uvPos.x > 0.1 && uvPos.y < 0.9 && uvPos.y > 0.1) discard;
+    //if (uvPos.x < 0.9 && uvPos.x > 0.1 && uvPos.y < 0.9 && uvPos.y > 0.1) discard;
     gl_FragColor = vec4(color,1);
 }
\ No newline at end of file
diff --git a/cwd/shaders/face.fs b/cwd/shaders/face.fs
index 4710f90..6e9d8f0 100644
--- a/cwd/shaders/face.fs
+++ b/cwd/shaders/face.fs
@@ -4,6 +4,7 @@ in VS_OUT {
     vec2 UvPosition;
     vec4 Texture;
     vec3 Color;
+    vec2 Light;
 } fs_in;
 
 uniform sampler2D textureAtlas;
@@ -44,4 +45,7 @@ void main() {
     vec3 hsvColor = rgb2hsv(gl_FragColor.xyz);
     hsvColor+=fs_in.Color;
     gl_FragColor = vec4(hsv2rgb(hsvColor),1);
+//    gl_FragColor = vec4(fs_in.Light.x / 16.0,0,fs_in.Light.y / 16.0,1);
+    float faceLight = clamp((fs_in.Light.x + fs_in.Light.y) / 16.0,0,16);
+    gl_FragColor = vec4(gl_FragColor.rgb * faceLight,gl_FragColor.a);
 }
\ No newline at end of file
diff --git a/cwd/shaders/face.vs b/cwd/shaders/face.vs
index 95818ef..9bf2639 100644
--- a/cwd/shaders/face.vs
+++ b/cwd/shaders/face.vs
@@ -4,11 +4,13 @@ layout (location = 2) in vec2 UvCoordinates;
 layout (location = 7) in vec4 Texture;
 layout (location = 8) in mat4 model;
 layout (location = 12) in vec3 color;
+layout (location = 13) in vec2 light;
 
 out VS_OUT {
     vec2 UvPosition;
     vec4 Texture;
     vec3 Color;
+    vec2 Light;
 } vs_out;
 
 uniform  mat4 view;
@@ -22,4 +24,5 @@ void main()
     vs_out.UvPosition = vec2(UvCoordinates.x,UvCoordinates.y);
     vs_out.Texture = Texture;
     vs_out.Color = color;
+    vs_out.Light = light;
 }
diff --git a/cwd/shaders/sky.fs b/cwd/shaders/sky.fs
new file mode 100644
index 0000000..549d463
--- /dev/null
+++ b/cwd/shaders/sky.fs
@@ -0,0 +1,49 @@
+#version 330 core
+
+in vec2 uvPos;
+in vec3 pos;
+
+uniform sampler2D textureAtlas;
+uniform vec4 skyTexture;
+uniform float DayTime;
+uniform vec4 sunTexture;
+uniform vec4 moonTexture;
+
+const vec4 DaySkyColor = vec4(0.49,0.66,1, 1);
+
+const vec3 SunPos = vec3(0,0.1,0.5);
+
+const vec3 MoonPos = vec3(0,0.1,-0.5);
+
+vec2 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords) {
+    float x = TextureAtlasCoords.x;
+    float y = TextureAtlasCoords.y;
+    float w = TextureAtlasCoords.z;
+    float h = TextureAtlasCoords.w;
+    vec2 A = vec2(x, 1 - y - h);
+    vec2 B = vec2(x + w, 1 - y);
+    return A + UvCoords * (B - A);
+}
+
+vec4 Sun() {
+    vec3 sunDelta = (pos - SunPos)*3.0f;
+    float distanceToSun = length(sunDelta);
+    vec4 sunColor = texture(textureAtlas,TransformTextureCoord(sunTexture,(vec2(sunDelta.xy)+0.5f)));
+    vec4 sun = mix(vec4(0,0,0,1),sunColor,clamp(1-distanceToSun*2.0f,0,1));
+    return sun;
+}
+
+vec4 Moon() {
+    vec3 moonDelta = (pos - MoonPos)*4.5f;
+    float distanceToMoon = length(moonDelta);
+    vec4 moonColor = texture(textureAtlas,TransformTextureCoord(moonTexture,(vec2(moonDelta.xy)+0.5f)));
+    vec4 moon = mix(vec4(0,0,0,1),moonColor,clamp(1-distanceToMoon*2.0f,0,1));
+    return moon;
+}
+
+void main() {
+    vec4 starColor = texture(textureAtlas,TransformTextureCoord(skyTexture,uvPos));
+    gl_FragColor = mix(starColor, DaySkyColor, DayTime);
+    gl_FragColor += Sun();
+    gl_FragColor += Moon();
+}
\ No newline at end of file
diff --git a/cwd/shaders/sky.vs b/cwd/shaders/sky.vs
new file mode 100644
index 0000000..983e1f3
--- /dev/null
+++ b/cwd/shaders/sky.vs
@@ -0,0 +1,17 @@
+#version 330 core
+
+uniform  mat4 view;
+uniform  mat4 projection;
+uniform  mat4 model;
+
+layout (location = 0) in vec3 position;
+layout (location = 1) in vec2 uvPosition;
+
+out vec2 uvPos;
+out vec3 pos;
+
+void main(){
+    uvPos = uvPosition;
+    pos = position;
+    gl_Position = projection*view*model*vec4(position,1);
+}
\ No newline at end of file
-- 
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