From 0b1a4b61e6d1f7e88d12599853beeb12d0472c53 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 23 Aug 2023 03:38:49 +0200
Subject: wip

---
 editor/imgui.cpp      | 4 +---
 shaders/lightmap.cpp  | 8 +++-----
 shaders/lightmap.frag | 2 --
 shaders/lightmap.vert | 2 --
 4 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/editor/imgui.cpp b/editor/imgui.cpp
index e0838d1c..ea76cc76 100644
--- a/editor/imgui.cpp
+++ b/editor/imgui.cpp
@@ -232,9 +232,7 @@ void app::draw_lightmap_test()
         {
             _testing_light = true;
             shader.begin_occlusion();
-#if 0
-            shader.add_chunk(chunk_offset, e_->chunk());
-#endif
+            shader.add_chunk(Vector2{}, e_->chunk()); // todo add neighbors
             shader.end_occlusion();
             shader.bind();
             shader.add_light(L);
diff --git a/shaders/lightmap.cpp b/shaders/lightmap.cpp
index 77c5bd6c..bd4d2ec6 100644
--- a/shaders/lightmap.cpp
+++ b/shaders/lightmap.cpp
@@ -256,14 +256,12 @@ void lightmap_shader::add_light(const light_s& light)
     auto center_clip = clip_start + center_fragcoord * clip_scale; // clip coordinates
 
     float alpha = light.color.a() / 255.f;
-    auto color = Vector3{light.color.rgb()} / 255.f;
+    auto color = (Vector3{light.color.rgb()} / 255.f) * alpha;
 
     setUniform(SamplerUniform, TextureSampler);
-    //setUniform(LightColorUniform, color * alpha);
-    setUniform(LightColorUniform, Vector3{1});
+    setUniform(LightColorUniform, color * alpha);
     setUniform(SizeUniform, 1 / chunk_size);
-    //setUniform(CenterFragcoordUniform, center_fragcoord);
-    setUniform(CenterFragcoordUniform, Vector2{512});
+    setUniform(CenterFragcoordUniform, center_fragcoord);
     setUniform(CenterClipUniform, center_clip);
     setUniform(IntensityUniform, I);
     setUniform(FalloffUniform, (uint32_t)light.falloff);
diff --git a/shaders/lightmap.frag b/shaders/lightmap.frag
index 6cf1d841..1f8c5e01 100644
--- a/shaders/lightmap.frag
+++ b/shaders/lightmap.frag
@@ -28,8 +28,6 @@ void main() {
             A = tmp*tmp / (L*L);
         }
         color = vec4(light_color.rgb, A);
-        //A += 0.2;
-        //color = vec4(vec3(A), 1);
     }
     else if (mode == 2) // blend
     {
diff --git a/shaders/lightmap.vert b/shaders/lightmap.vert
index 6c1e3d73..900038c4 100644
--- a/shaders/lightmap.vert
+++ b/shaders/lightmap.vert
@@ -16,7 +16,6 @@ layout (location = 0) in vec3 position;
 
 void main() {
     vec2 pos = position.xy;
-    /*
     if (mode == 0)
     {
         vec2 dir = pos - center_clip;
@@ -27,6 +26,5 @@ void main() {
             pos += dir_norm * position.z * 4;
         }
     }
-    */
     gl_Position = vec4(pos, 0, 1);
 }
-- 
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