12 files changed, 243 insertions, 0 deletions
diff --git a/cwd/assets/altcraft/shaders/entity.json b/cwd/assets/altcraft/shaders/entity.json
new file mode 100644
index 0000000..0b65c72
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/entity.json
@@ -0,0 +1,10 @@
+{
+  "vert": "/altcraft/shaders/vert/entity",
+  "frag": "/altcraft/shaders/frag/entity",
+  "uniforms": [
+    "color",
+    "view",
+    "projection",
+    "model"
+  ]
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/face.json b/cwd/assets/altcraft/shaders/face.json
new file mode 100644
index 0000000..1454dcf
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/face.json
@@ -0,0 +1,10 @@
+{
+  "vert": "/altcraft/shaders/vert/face",
+  "frag": "/altcraft/shaders/frag/face",
+  "uniforms": [
+    "projView",
+    "textureAtlas",
+    "DayTime",
+    "MinLightLevel"
+  ]
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/fbo.json b/cwd/assets/altcraft/shaders/fbo.json
new file mode 100644
index 0000000..d9f8734
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/fbo.json
@@ -0,0 +1,7 @@
+{
+  "vert": "/altcraft/shaders/vert/fbo",
+  "frag": "/altcraft/shaders/frag/fbo",
+  "uniforms": [
+    "inputTexture"
+  ]
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/frag/entity.fs b/cwd/assets/altcraft/shaders/frag/entity.fs
new file mode 100644
index 0000000..f0bb42f
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/entity.fs
@@ -0,0 +1,9 @@
+#version 330 core
+
+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;
+    gl_FragColor = vec4(color,1);
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/frag/face.fs b/cwd/assets/altcraft/shaders/frag/face.fs
new file mode 100644
index 0000000..98b389a
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/face.fs
@@ -0,0 +1,48 @@
+#version 330 core
+
+in VS_OUT {
+    vec2 UvPosition;
+    vec3 Texture;
+    vec3 Color;
+    vec2 Light;
+} fs_in;
+
+uniform sampler2DArray textureAtlas;
+uniform float DayTime;
+uniform float MinLightLevel;
+
+vec3 rgb2hsv(vec3 c)
+{
+    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+
+    float d = q.x - min(q.w, q.y);
+    float e = 1.0e-10;
+    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+}
+
+vec3 hsv2rgb(vec3 c)
+{
+    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+    vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+    return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+
+void main() {
+	vec4 color = texture(textureAtlas,fs_in.Texture);
+    if (color.a < 0.3)
+        discard;
+
+    vec3 hsvColor = rgb2hsv(color.xyz);
+    hsvColor+=fs_in.Color;
+	color = vec4(hsv2rgb(hsvColor),1);
+
+	float light = fs_in.Light.x / 15.0;
+	float skyLight = (fs_in.Light.y / 15.0) * DayTime;
+
+    float faceLight = clamp(light + skyLight,MinLightLevel,1.0);
+
+    color = vec4(color.rgb * faceLight, color.a);
+	gl_FragColor = color;
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/frag/fbo.fs b/cwd/assets/altcraft/shaders/frag/fbo.fs
new file mode 100644
index 0000000..df624b3
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/fbo.fs
@@ -0,0 +1,11 @@
+#version 330 core
+
+out vec4 FragColor;
+in vec2 TexCoords;
+
+uniform sampler2D inputTexture;
+
+void main()
+{
+    FragColor = texture(inputTexture, TexCoords);
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/frag/sky.fs b/cwd/assets/altcraft/shaders/frag/sky.fs
new file mode 100644
index 0000000..36d65a5
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/sky.fs
@@ -0,0 +1,51 @@
+#version 330 core
+
+in vec2 uvPos;
+in vec3 pos;
+
+uniform sampler2DArray textureAtlas;
+uniform float DayTime;
+uniform vec4 sunTexture;
+uniform float sunTextureLayer;
+uniform vec4 moonTexture;
+uniform float moonTextureLayer;
+
+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);
+
+vec3 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords, float Layer) {
+    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);
+	vec2 transformed = A + UvCoords * (B - A);
+    return vec3(transformed.x, transformed.y, Layer);
+}
+
+vec4 Sun() {
+    vec3 sunDelta = (pos - SunPos)*3.0f;
+    float distanceToSun = length(sunDelta);
+    vec4 sunColor = texture(textureAtlas,TransformTextureCoord(sunTexture,(vec2(sunDelta.xy)+0.5f),sunTextureLayer));
+    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),moonTextureLayer));
+    vec4 moon = mix(vec4(0,0,0,1),moonColor,clamp(1-distanceToMoon*2.0f,0,1));
+    return moon;
+}
+
+void main() {
+    vec4 starColor = vec4(0.0f, 0.04f, 0.06f, 1.0f);
+    gl_FragColor = mix(starColor, DaySkyColor, DayTime);
+    gl_FragColor += Sun();
+    gl_FragColor += Moon();
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/sky.json b/cwd/assets/altcraft/shaders/sky.json
new file mode 100644
index 0000000..6e53db6
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/sky.json
@@ -0,0 +1,15 @@
+{
+  "vert": "/altcraft/shaders/vert/sky",
+  "frag": "/altcraft/shaders/frag/sky",
+  "uniforms": [
+    "view",
+    "projection",
+    "model",
+    "textureAtlas",
+    "DayTime",
+    "sunTexture",
+    "sunTextureLayer",
+    "moonTexture",
+    "moonTextureLayer"
+  ]
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/vert/entity.vs b/cwd/assets/altcraft/shaders/vert/entity.vs
new file mode 100644
index 0000000..baa25e5
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/vert/entity.vs
@@ -0,0 +1,13 @@
+#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;
+
+void main(){
+    uvPos = uvPosition;
+    gl_Position = projection*view*model*vec4(position,1);
+}
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/vert/face.vs b/cwd/assets/altcraft/shaders/vert/face.vs
new file mode 100644
index 0000000..9c40846
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/vert/face.vs
@@ -0,0 +1,41 @@
+#version 330 core
+layout (location = 0) in vec3 position;
+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;
+layout (location = 14) in float TextureLayer;
+
+out VS_OUT {
+    vec2 UvPosition;
+    vec3 Texture;
+    vec3 Color;
+    vec2 Light;
+} vs_out;
+
+//uniform  mat4 view;
+//uniform  mat4 projection;
+uniform mat4 projView;
+
+vec3 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords, float Layer) {
+    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);
+	vec2 transformed = A + UvCoords * (B - A);
+    return vec3(transformed.x, transformed.y, Layer);
+}
+
+void main()
+{
+    vec4 sourcePosition = vec4(position,1.0f);
+    gl_Position = projView * model * sourcePosition;
+
+    vs_out.UvPosition = vec2(UvCoordinates.x,UvCoordinates.y);
+    vs_out.Texture = TransformTextureCoord(Texture,UvCoordinates,TextureLayer);
+    vs_out.Color = color;
+    vs_out.Light = light;
+}
diff --git a/cwd/assets/altcraft/shaders/vert/fbo.vs b/cwd/assets/altcraft/shaders/vert/fbo.vs
new file mode 100644
index 0000000..e1e8966
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/vert/fbo.vs
@@ -0,0 +1,11 @@
+#version 330 core
+layout (location = 0) in vec2 Pos;
+layout (location = 1) in vec2 TextureCoords;
+
+out vec2 TexCoords;
+
+void main()
+{
+    gl_Position = vec4(Pos.x, Pos.y, 0.0, 1.0); 
+    TexCoords = TextureCoords;
+}  
+\ No newline at end of file
diff --git a/cwd/assets/altcraft/shaders/vert/sky.vs b/cwd/assets/altcraft/shaders/vert/sky.vs
new file mode 100644
index 0000000..983e1f3
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/vert/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