8 files changed, 102 insertions, 28 deletions

diff --git a/cwd/assets/altcraft/scripts/blocks.lua b/cwd/assets/altcraft/scripts/blocks.lua
index 5678677..dde4b57 100644
--- a/cwd/assets/altcraft/scripts/blocks.lua
+++ b/cwd/assets/altcraft/scripts/blocks.lua
@@ -33,13 +33,11 @@ local function RegisterBlocks()
 
     AC.RegisterBlock(BlockId.new(7,0), true, "bedrock", "normal")
 
-    AC.RegisterBlock(BlockId.new(8,0), true, "water", "normal")
+    AC.RegisterLiquid(BlockId.new(8,0), "blocks/water_flow", "blocks/water_still")
+    AC.RegisterLiquid(BlockId.new(9,0), "blocks/water_flow", "blocks/water_still")
 
-    AC.RegisterBlock(BlockId.new(9,0), true, "water", "normal")
-
-    AC.RegisterBlock(BlockId.new(10,0), true, "lava", "normal")
-
-    AC.RegisterBlock(BlockId.new(11,0), true, "lava", "normal")
+    AC.RegisterLiquid(BlockId.new(10,0), "blocks/lava_flow", "blocks/lava_still")
+    AC.RegisterLiquid(BlockId.new(11,0), "blocks/lava_flow", "blocks/lava_still")
 
     AC.RegisterBlock(BlockId.new(12,0), true, "sand", "normal")
     AC.RegisterBlock(BlockId.new(12,1), true, "red_sand", "normal")
diff --git a/cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs b/cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs
new file mode 100644
index 0000000..f8d9376
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/fwd_liquid_face.fs
@@ -0,0 +1,38 @@
+#version 330 core
+
+in vec4 faceWorldPos;
+in vec3 faceTextureUv;
+in vec3 faceAddColor;
+in vec3 faceNormal;
+in vec2 faceLight;
+
+out vec4 fragColor;
+
+uniform sampler2DArray textureAtlas;
+
+layout (std140) uniform Globals {
+    mat4 projView;
+    mat4 proj;
+    mat4 invProj;
+    mat4 view;
+    uvec2 viewportSize;
+    vec4 ssaoKernels[64];
+    float globalTime;
+    float dayTime;
+    float gamma;
+};
+
+void main() {
+    vec4 col = texture(textureAtlas, faceTextureUv);
+
+    float localLight = faceLight.r / 15.0f;
+    float skyLight = faceLight.g / 15.0f;
+    float lightLevel = clamp(localLight + skyLight * dayTime, 0.01f, 1.0f);
+    lightLevel = pow(lightLevel, 3);
+    lightLevel = clamp(lightLevel, 0.005f, 1.0f);
+
+    fragColor = vec4(col.rgb * faceAddColor.rgb * lightLevel, 1.0f);
+
+    fragColor.rgb = pow(fragColor.rgb, vec3(1.0f / gamma));
+    fragColor.a = col.a;
+}
diff --git a/cwd/assets/altcraft/shaders/frag/liquid_face.fs b/cwd/assets/altcraft/shaders/frag/liquid_face.fs
new file mode 100644
index 0000000..3e5c0d4
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/liquid_face.fs
@@ -0,0 +1,22 @@
+#version 330 core
+
+in vec3 faceTextureUv;
+in vec3 faceAddColor;
+in vec3 faceNormal;
+in vec2 faceLight;
+in float faceAmbientOcclusion;
+
+layout (location = 0) out vec4 color;
+layout (location = 1) out vec4 normal;
+layout (location = 2) out vec4 light;
+
+uniform sampler2DArray textureAtlas;
+
+void main() {
+    vec4 col = texture(textureAtlas, faceTextureUv);
+
+    color = vec4(col.rgb * faceAddColor.rgb, 1.0f);
+    normal = vec4(faceNormal, 1.0f);
+    light = vec4(faceLight / 15.0f, faceAmbientOcclusion, 1.0f);
+    color.a = col.a;
+}
diff --git a/cwd/assets/altcraft/shaders/vert/liquid_face.vs b/cwd/assets/altcraft/shaders/vert/liquid_face.vs
new file mode 100644
index 0000000..101e4d0
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/vert/liquid_face.vs
@@ -0,0 +1,38 @@
+#version 330 core
+
+in vec3 pos[4];
+in vec2 uv[4];
+in vec2 light[4];
+in vec3 normal;
+in vec3 color;
+in vec3 layerAnimationAo;
+
+out vec3 faceTextureUv;
+out vec3 faceNormal;
+out vec3 faceAddColor;
+out vec2 faceLight;
+out float faceAmbientOcclusion;
+
+layout (std140) uniform Globals {
+    mat4 projView;
+    mat4 proj;
+    mat4 invProj;
+    mat4 view;
+    uvec2 viewportSize;
+    vec4 ssaoKernels[64];
+    float globalTime;
+    float dayTime;
+    float gamma;
+};
+
+void main() {
+    gl_Position = projView * vec4(pos[gl_VertexID], 1.0f);
+
+    faceTextureUv = vec3(uv[gl_VertexID], layerAnimationAo.r);
+    faceTextureUv.y -= (uv[2].y - uv[0].y) * trunc(mod(globalTime * 4.0f, layerAnimationAo.g));
+
+    faceNormal = (view * vec4(normal, 0.0f)).xyz;
+    faceAddColor = color;
+    faceLight = light[gl_VertexID];
+    faceAmbientOcclusion = layerAnimationAo.b;
+}
diff --git a/cwd/assets/minecraft/blockstates/lava.json b/cwd/assets/minecraft/blockstates/lava.json
deleted file mode 100644
index 97b01d3..0000000
--- a/cwd/assets/minecraft/blockstates/lava.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "variants": {
-        "normal": { "model": "lava" }
-    }
-}
diff --git a/cwd/assets/minecraft/blockstates/water.json b/cwd/assets/minecraft/blockstates/water.json
deleted file mode 100644
index 683334a..0000000
--- a/cwd/assets/minecraft/blockstates/water.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "variants": {
-        "normal": { "model": "water" }
-    }
-}
diff --git a/cwd/assets/minecraft/models/block/lava.json b/cwd/assets/minecraft/models/block/lava.json
deleted file mode 100644
index 714d0b2..0000000
--- a/cwd/assets/minecraft/models/block/lava.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-    "parent": "block/cube_all",
-    "textures": {
-        "all": "blocks/lava_flow"
-    }
-}
diff --git a/cwd/assets/minecraft/models/block/water.json b/cwd/assets/minecraft/models/block/water.json
deleted file mode 100644
index 860815a..0000000
--- a/cwd/assets/minecraft/models/block/water.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-    "parent": "block/cube_all",
-    "textures": {
-        "all": "blocks/water_flow"
-    }
-}