From 35e6905ed8319d083c29f2eac0cfd63e59fcf694 Mon Sep 17 00:00:00 2001
From: Peter Li <peterino>
Date: Fri, 2 May 2025 23:05:36 -0700
Subject: [PATCH] videoplay

---
 README.md                                     |   2 +
 engine/core/src/scene.zig                     |   4 +-
 engine/rend/shaders/lit_mesh.frag.hlsl        |  47 +++-----
 engine/rend/shaders/lit_mesh.frag.json        |  55 +++++++--
 engine/rend/shaders/meshes.vert.hlsl          |   4 +
 engine/rend/shaders/meshes.vert.json          |  15 +++
 engine/rend/src/meshes/MeshComponent.zig      |   8 +-
 engine/rend/src/sgpu/embedded/plane.obj       |  14 +++
 engine/rend/src/sgpu/mesh-pool.zig            |   6 +-
 engine/rend/src/sgpu/renderer.zig             |  24 +++-
 extras/videoplayer/src/videoplayer.zig        |  51 ++++++++-
 .../content/_shaders/dxil/lit_mesh.frag.dxil  | Bin 6896 -> 7436 bytes
 .../content/_shaders/msl/lit_mesh.frag.msl    | 107 +++++++++---------
 projects/content/_shaders/msl/meshes.vert.msl |   4 +-
 .../content/_shaders/spv/lit_mesh.frag.spv    | Bin 5708 -> 6740 bytes
 projects/content/_shaders/spv/meshes.vert.spv | Bin 2200 -> 2332 bytes
 projects/content/meshes/plane.obj             |  14 +++
 projects/sampleGame/main.zig                  |  35 +++---
 18 files changed, 267 insertions(+), 123 deletions(-)
 create mode 100644 engine/rend/src/sgpu/embedded/plane.obj
 create mode 100644 projects/content/meshes/plane.obj

diff --git a/README.md b/README.md
index 198500b..bff8d17 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,5 @@ zig version: 0.14
 Backlog Labs Game Engine.
 
 run tools/scripts/first-time-setup.py
+
+ffmpeg -i INPUT.mp4 -c:v libtheora -q:v 7 -c:a libvorbis -q:a 4 OUTPUT.ogv
diff --git a/engine/core/src/scene.zig b/engine/core/src/scene.zig
index 8c6ca97..95323ca 100644
--- a/engine/core/src/scene.zig
+++ b/engine/core/src/scene.zig
@@ -30,8 +30,8 @@ pub const SceneObjectPosRot = struct {
 
     pub inline fn toTransform(self: @This()) core.Transform {
         var transform = core.zm.mul(
-            core.zm.scalingV(self.scale.toZm()),
             core.zm.matFromQuat(self.rotation.quat),
+            core.zm.scalingV(self.scale.toZm()),
         );
 
         transform = core.zm.mul(
@@ -317,8 +317,8 @@ pub const SceneSystem = struct {
             core.zm.mul(
                 core.zm.translationV(posRot.position.toZm()),
                 core.zm.mul(
-                    core.zm.matFromQuat(posRot.rotation.quat),
                     core.zm.scalingV(posRot.scale.toZm()),
+                    core.zm.matFromQuat(posRot.rotation.quat),
                 ),
             ),
             final,
diff --git a/engine/rend/shaders/lit_mesh.frag.hlsl b/engine/rend/shaders/lit_mesh.frag.hlsl
index 1a3a020..8493587 100644
--- a/engine/rend/shaders/lit_mesh.frag.hlsl
+++ b/engine/rend/shaders/lit_mesh.frag.hlsl
@@ -26,9 +26,12 @@ struct Scene
 
     uint textureMode;    // 0 = regular triple, 
                         // 0x10 = video yuv,
+    uint pad0;    // 0 = regular triple, 
+    uint pad1;    // 0 = regular triple, 
+    uint pad2;    // 0 = regular triple, 
 };
 
-StructuredBuffer<Scene> scene: register(t0, space0);
+StructuredBuffer<Scene> scene: register(t4, space2);
 
 // from learnopengl.com
 float3 BlinnPhong(float3 normal, float3 fragPos, float3 lightPos, float3 lightColor)
@@ -186,7 +189,6 @@ float4 main(
 
 
     float4 s; 
-    float alpha = s.w;
 
     int texMode = scene[Instance].textureMode;
     if (texMode == 0x10) // YUV
@@ -196,44 +198,27 @@ float4 main(
         float3 Gcoeff = float3(1.164, -0.213, -0.533);
         float3 Bcoeff = float3(1.164,  2.112,  0.000);
 
-        float3 yuv, rgb;
-
-        yuv.x =Texture0.Sample(Sampler0, UV).r;
-        yuv.y =Texture1.Sample(Sampler1, UV).r;
-        yuv.z =Texture2.Sample(Sampler2, UV).r;
+        float3 yuv; 
+        float3 rgb;
+        float2 uv = UV;
 
+        yuv.x = Texture0.Sample(Sampler0, uv).r;
+        yuv.y = Texture1.Sample(Sampler1, uv).r;
+        yuv.z = Texture2.Sample(Sampler2, uv).r;
         yuv += offset;
-        rgb.r = dot(yuv, Rcoeff);
-        rgb.g = dot(yuv, Gcoeff);
-        rgb.b = dot(yuv, Bcoeff);
 
-        // "	gl_FragColor = vec4(rgb, 1.0);\n"
-        // "uniform sampler2D samp0;\n"
-        // "uniform sampler2D samp1;\n"
-        // "uniform sampler2D samp2;\n"
-        // "const vec3 offset = vec3(-0.0625, -0.5, -0.5);\n"
-        // "const vec3 Rcoeff = vec3(1.164,  0.000,  1.793);\n"
-        // "const vec3 Gcoeff = vec3(1.164, -0.213, -0.533);\n"
-        // "const vec3 Bcoeff = vec3(1.164,  2.112,  0.000);\n"
-        // "void main() {\n"
-        // "	vec2 tcoord;\n"
-        // "	vec3 yuv, rgb;\n"
-        // "	tcoord = gl_TexCoord[0].xy;\n"
-        // "	yuv.x = texture2D(samp0, tcoord).r;\n"
-        // "	yuv.y = texture2D(samp1, tcoord).r;\n"
-        // "	yuv.z = texture2D(samp2, tcoord).r;\n"
-        // "	yuv += offset;\n"
-        // "	rgb.r = dot(yuv, Rcoeff);\n"
-        // "	rgb.g = dot(yuv, Gcoeff);\n"
-        // "	rgb.b = dot(yuv, Bcoeff);\n"
-        // "	gl_FragColor = vec4(rgb, 1.0);\n"
-        // "}\n";
+        rgb.x = dot(yuv, Rcoeff);
+        rgb.y = dot(yuv, Gcoeff);
+        rgb.z = dot(yuv, Bcoeff);
+
+        s = float4(rgb, 1.0); 
     }
     else if(texMode == 0)
     {
         s = Texture0.Sample(Sampler0, UV);
     }
 
+    float alpha = s.w;
     if(alpha < 0.01)
     {
         discard;
diff --git a/engine/rend/shaders/lit_mesh.frag.json b/engine/rend/shaders/lit_mesh.frag.json
index d242f78..3d4f16b 100644
--- a/engine/rend/shaders/lit_mesh.frag.json
+++ b/engine/rend/shaders/lit_mesh.frag.json
@@ -6,7 +6,7 @@
         }
     ],
     "types" : {
-        "_15" : {
+        "_19" : {
             "name" : "type.Uniforms",
             "members" : [
                 {
@@ -41,7 +41,7 @@
                 }
             ]
         },
-        "_18" : {
+        "_22" : {
             "name" : "Scene",
             "members" : [
                 {
@@ -55,15 +55,30 @@
                     "name" : "textureMode",
                     "type" : "uint",
                     "offset" : 64
+                },
+                {
+                    "name" : "pad0",
+                    "type" : "uint",
+                    "offset" : 68
+                },
+                {
+                    "name" : "pad1",
+                    "type" : "uint",
+                    "offset" : 72
+                },
+                {
+                    "name" : "pad2",
+                    "type" : "uint",
+                    "offset" : 76
                 }
             ]
         },
-        "_17" : {
+        "_21" : {
             "name" : "type.StructuredBuffer.Scene",
             "members" : [
                 {
                     "name" : "_m0",
-                    "type" : "_18",
+                    "type" : "_22",
                     "array" : [
                         0
                     ],
@@ -117,6 +132,18 @@
             "set" : 2,
             "binding" : 0
         },
+        {
+            "type" : "texture2D",
+            "name" : "Texture1",
+            "set" : 2,
+            "binding" : 1
+        },
+        {
+            "type" : "texture2D",
+            "name" : "Texture2",
+            "set" : 2,
+            "binding" : 2
+        },
         {
             "type" : "texture2D",
             "name" : "DirectionalShadowDepthMap",
@@ -131,6 +158,18 @@
             "set" : 2,
             "binding" : 0
         },
+        {
+            "type" : "sampler",
+            "name" : "Sampler1",
+            "set" : 2,
+            "binding" : 1
+        },
+        {
+            "type" : "sampler",
+            "name" : "Sampler2",
+            "set" : 2,
+            "binding" : 2
+        },
         {
             "type" : "sampler",
             "name" : "DirectionalShadowSampler",
@@ -140,17 +179,17 @@
     ],
     "ssbos" : [
         {
-            "type" : "_17",
+            "type" : "_21",
             "name" : "scene",
             "readonly" : true,
             "block_size" : 0,
-            "set" : 0,
-            "binding" : 0
+            "set" : 2,
+            "binding" : 4
         }
     ],
     "ubos" : [
         {
-            "type" : "_15",
+            "type" : "_19",
             "name" : "type.Uniforms",
             "block_size" : 76,
             "set" : 3,
diff --git a/engine/rend/shaders/meshes.vert.hlsl b/engine/rend/shaders/meshes.vert.hlsl
index 6025cc7..7760044 100644
--- a/engine/rend/shaders/meshes.vert.hlsl
+++ b/engine/rend/shaders/meshes.vert.hlsl
@@ -29,6 +29,10 @@ struct Scene
 
     uint textureMode; // 0 = regular triple, 
                      // 0x10 = video yuv,
+
+    uint pad0;    // 0 = regular triple, 
+    uint pad1;    // 0 = regular triple, 
+    uint pad2;    // 0 = regular triple, 
 };
 
 StructuredBuffer<Scene> scene: register(t0, space0);
diff --git a/engine/rend/shaders/meshes.vert.json b/engine/rend/shaders/meshes.vert.json
index 8437d7c..78f7a09 100644
--- a/engine/rend/shaders/meshes.vert.json
+++ b/engine/rend/shaders/meshes.vert.json
@@ -20,6 +20,21 @@
                     "name" : "textureMode",
                     "type" : "uint",
                     "offset" : 64
+                },
+                {
+                    "name" : "pad0",
+                    "type" : "uint",
+                    "offset" : 68
+                },
+                {
+                    "name" : "pad1",
+                    "type" : "uint",
+                    "offset" : 72
+                },
+                {
+                    "name" : "pad2",
+                    "type" : "uint",
+                    "offset" : 76
                 }
             ]
         },
diff --git a/engine/rend/src/meshes/MeshComponent.zig b/engine/rend/src/meshes/MeshComponent.zig
index 23a574c..b184590 100644
--- a/engine/rend/src/meshes/MeshComponent.zig
+++ b/engine/rend/src/meshes/MeshComponent.zig
@@ -11,7 +11,8 @@ entity: core.Entity = undefined,
 
 textureMode: u32 = 0,
 // DEBUG for-fun function, completely override what happens when the renderer tries to render this mesh.
-cmrf: ?*rend.renderer.CustomMeshRenderFunc = null,
+cmrf: ?rend.renderer.CustomMeshRenderFunc = null,
+cmrf_ctx: ?*anyopaque = null,
 
 pub const textureMode_default = 0;
 pub const textureMode_videoYUV = 0x10;
@@ -41,13 +42,16 @@ pub fn updateMesh(self: *@This()) void {
 
 pub fn updateTexture(self: *@This()) void {
     if (self.textureName.handle() != 0) {
-        self.setMeshByName(&self.textureName);
+        self.setTextureByName(&self.textureName);
     }
 }
 
 pub fn setMeshByName(self: *@This(), meshName: *core.Name) void {
     self.mesh = rend.getMeshByName(meshName);
     self.meshName = meshName.*;
+
+    core.engine_log("getMeshByName {d} {s}", .{ meshName.handle(), meshName.utf8() });
+    // core.engine_log("late bind of mesh {s}", .{meshName.utf8()});
 }
 
 // script function
diff --git a/engine/rend/src/sgpu/embedded/plane.obj b/engine/rend/src/sgpu/embedded/plane.obj
new file mode 100644
index 0000000..b23ed94
--- /dev/null
+++ b/engine/rend/src/sgpu/embedded/plane.obj
@@ -0,0 +1,14 @@
+# Blender 4.4.3
+# www.blender.org
+o Plane
+v -1.000000 0.000000 1.000000
+v 1.000000 0.000000 1.000000
+v -1.000000 0.000000 -1.000000
+v 1.000000 0.000000 -1.000000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+s 0
+f 1/1/1 2/2/1 4/3/1 3/4/1
diff --git a/engine/rend/src/sgpu/mesh-pool.zig b/engine/rend/src/sgpu/mesh-pool.zig
index 2002631..ad89fa8 100644
--- a/engine/rend/src/sgpu/mesh-pool.zig
+++ b/engine/rend/src/sgpu/mesh-pool.zig
@@ -69,14 +69,14 @@ pub const MeshPool = struct {
             switch (u) {
                 .new => |new| {
                     var name = new.name;
-                    // core.engine_log("uploading mesh => {s}", .{name.utf8()});
+                    core.engine_log("uploading mesh => {s}", .{name.utf8()});
 
                     const indexSpan = try self.addTransfer(copyPass, self.indexBuffer, u32, &self.indexSpans, new.indices);
                     const vertexSpan = try self.addTransfer(copyPass, self.vertexBuffer, meshes.MeshVertex, &self.vertexSpans, new.vertices);
 
-                    // core.graphics_log("uploading {d} vertices and {d} indices", .{ vertexSpan.size, indexSpan.size });
+                    core.graphics_log("uploading {d} vertices and {d} indices", .{ vertexSpan.size, indexSpan.size });
 
-                    // core.engine_log("install mesh by name {d}", .{name.handle()});
+                    core.engine_log("install mesh by name {d}", .{name.handle()});
                     try self.installedMeshes.put(self.allocator, name.handle(), .{
                         .vertex = vertexSpan,
                         .index = indexSpan,
diff --git a/engine/rend/src/sgpu/renderer.zig b/engine/rend/src/sgpu/renderer.zig
index 41089bc..dd6f7c5 100644
--- a/engine/rend/src/sgpu/renderer.zig
+++ b/engine/rend/src/sgpu/renderer.zig
@@ -360,7 +360,10 @@ pub const Renderer = struct {
 
         // todo.. sparse uploads
         self.ssboScene = self.device.createGPUBuffer(&.{
-            .usage = .{ .bufferusageGraphicsStorageRead = true, .bufferusageVertex = true },
+            .usage = .{
+                .bufferusageGraphicsStorageRead = true,
+                .bufferusageVertex = true,
+            },
             .size = MaxObjectCount * @sizeOf(meshes_vert.Scene),
             .props = 0,
         });
@@ -638,8 +641,11 @@ pub const Renderer = struct {
             self.state.pass = cmd.beginGPURenderPass(&targetInfo, 1, &depthTarget);
             const renderpass = self.state.pass.?;
             //renderpass.bindGPUGraphicsPipeline(self.testPipeline);
+            renderpass.bindGPUFragmentSamplers(1, &.{ .sampler = self.blockySampler, .texture = self.defaultTexture.texture }, 1);
+            renderpass.bindGPUFragmentSamplers(2, &.{ .sampler = self.blockySampler, .texture = self.defaultTexture.texture }, 1);
 
             renderpass.bindGPUVertexStorageBuffers(0, &self.ssboScene, 1);
+            renderpass.bindGPUFragmentStorageBuffers(0, &self.ssboScene, 1);
             renderpass.bindGPUVertexBuffers(0, &.{ .buffer = self.meshPool.vertexBuffer, .offset = 0 }, 1);
             renderpass.bindGPUIndexBuffer(&.{ .buffer = self.meshPool.indexBuffer, .offset = 0 }, .indexelementsize32bit);
 
@@ -653,6 +659,8 @@ pub const Renderer = struct {
             try self.uploadUniforms(cmd);
             //rendering each mesh
             {
+                // placeholder textures
+
                 const container = rend.MeshComponent.BaseContainer;
                 const uploadCount: usize = @min(container.dense.items.len, MaxObjectCount);
                 for (0..uploadCount) |i| {
@@ -663,11 +671,15 @@ pub const Renderer = struct {
                         t = self.defaultTexture;
                     }
 
-                    renderpass.bindGPUFragmentSamplers(0, &.{ .texture = t.?.texture, .sampler = self.blockySampler }, 1);
-
                     if (component.mesh) |mesh| {
+                        renderpass.bindGPUFragmentSamplers(0, &.{ .texture = t.?.texture, .sampler = self.blockySampler }, 1);
+
+                        if (component.cmrf) |cmrf| {
+                            cmrf(component.cmrf_ctx);
+                        }
+
                         renderpass.drawGPUIndexedPrimitives(mesh.index.size, 1, mesh.index.start, @intCast(mesh.vertex.start), @intCast(i));
-                    }
+                    } else {}
                 }
             }
 
@@ -792,7 +804,7 @@ pub const RendererState = struct {
     swapchainTexture: ?*gpu.GPUTexture = null,
 };
 
-pub const CustomMeshRenderFunc = *const fn (mesh: *rend.MeshComponent, renderState: *RendererState) void;
+pub const CustomMeshRenderFunc = *const fn (?*anyopaque) void;
 pub const GPUTextureType = gpu.GPUTexture;
 
-const skybox_mesh_obj align(8) = @embedFile("embedded/plane.obj").*;
+const plane_obj align(8) = @embedFile("embedded/plane.obj").*;
diff --git a/extras/videoplayer/src/videoplayer.zig b/extras/videoplayer/src/videoplayer.zig
index aec028c..030a265 100644
--- a/extras/videoplayer/src/videoplayer.zig
+++ b/extras/videoplayer/src/videoplayer.zig
@@ -36,6 +36,10 @@ yTexture: *gpu.GPUTexture = undefined,
 uTexture: *gpu.GPUTexture = undefined,
 vTexture: *gpu.GPUTexture = undefined,
 
+ySampler: *gpu.GPUSampler = undefined,
+uSampler: *gpu.GPUSampler = undefined,
+vSampler: *gpu.GPUSampler = undefined,
+
 gpuTransferBuffer: *gpu.GPUTransferBuffer = undefined,
 
 fn log(comptime fmt: []const u8, args: anytype) void {
@@ -134,7 +138,7 @@ fn releaseAndUploadFrameBuffer(self: *@This(), cmd: *gpu.GPUCommandBuffer) void
             .rows_per_layer = @intCast(self.uvHeight),
         },
         &std.mem.zeroInit(gpu.GPUTextureRegion, .{
-            .texture = self.yTexture,
+            .texture = self.uTexture,
             .w = @as(u32, @intCast(self.uvWidth)),
             .h = @as(u32, @intCast(self.uvHeight)),
             .d = 1,
@@ -151,7 +155,7 @@ fn releaseAndUploadFrameBuffer(self: *@This(), cmd: *gpu.GPUCommandBuffer) void
             .rows_per_layer = @intCast(self.uvHeight),
         },
         &std.mem.zeroInit(gpu.GPUTextureRegion, .{
-            .texture = self.yTexture,
+            .texture = self.vTexture,
             .w = @as(u32, @intCast(self.uvWidth)),
             .h = @as(u32, @intCast(self.uvHeight)),
             .d = 1,
@@ -189,6 +193,10 @@ pub fn createTextures(self: *@This()) !void {
         .size = @as(u32, @intCast(self.width * self.height * 2)),
         .props = 0,
     });
+
+    self.ySampler = createVideoSampler();
+    self.uSampler = createVideoSampler();
+    self.vSampler = createVideoSampler();
 }
 
 pub fn tick(self: *@This(), dt: f64) void {
@@ -225,8 +233,45 @@ pub fn tick(self: *@This(), dt: f64) void {
     }
 }
 
+fn bindVideoTextures(p: ?*anyopaque) void {
+    const self: *@This() = @ptrCast(@alignCast(p));
+    const ctx = rend.context();
+    const renderpass: *gpu.GPURenderPass = ctx.state.pass.?;
+    renderpass.bindGPUFragmentSamplers(0, &.{ .sampler = self.ySampler, .texture = self.yTexture }, 1);
+    renderpass.bindGPUFragmentSamplers(1, &.{ .sampler = self.uSampler, .texture = self.uTexture }, 1);
+    renderpass.bindGPUFragmentSamplers(2, &.{ .sampler = self.vSampler, .texture = self.vTexture }, 1);
+}
+
+fn createVideoSampler() *gpu.GPUSampler {
+    return rend.context().device.createGPUSampler(&std.mem.zeroInit(gpu.GPUSamplerCreateInfo, .{
+        .min_filter = .filterLinear,
+        .mag_filter = .filterLinear,
+        .mipmap_mode = .samplermipmapmodeNearest,
+        .address_mode_u = .sampleraddressmodeRepeat,
+        .address_mode_v = .sampleraddressmodeRepeat,
+        .address_mode_w = .sampleraddressmodeRepeat,
+    }));
+}
+
 // creates a video player entity
-pub fn createVideoPlayerEntity() !core.Entity {}
+pub fn createVideoPlayerEntity(self: *@This()) !core.Entity {
+    const entity = try core.createEntity();
+    const scene = entity.addComponent(core.Scene).?;
+    const size = 5.0;
+    const h: f32 = @floatFromInt(self.height);
+    const w: f32 = @floatFromInt(self.width);
+
+    scene.setScale(size, size, size * (h / w));
+    scene.setRotation(core.Rotation.eulerX(core.radians(90.0)));
+
+    if (entity.addComponent(rend.MeshComponent)) |mesh| {
+        mesh.cmrf = bindVideoTextures;
+        mesh.cmrf_ctx = self;
+        mesh.textureMode = 0x10;
+        mesh.setMesh("m_plane");
+    }
+    return entity;
+}
 
 pub fn destroy(self: *@This()) void {
     core.engine_logs("[Videoplayer] destroying player");
diff --git a/projects/content/_shaders/dxil/lit_mesh.frag.dxil b/projects/content/_shaders/dxil/lit_mesh.frag.dxil
index 3a5c3ace158f02bdb461f8e8baa3a397a1fcb672..603e43070dda9a47846c0b5ba1e6d081bcf900a7 100644
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delta 3252
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diff --git a/projects/content/_shaders/msl/lit_mesh.frag.msl b/projects/content/_shaders/msl/lit_mesh.frag.msl
index b82398b..e9c4bca 100644
--- a/projects/content/_shaders/msl/lit_mesh.frag.msl
+++ b/projects/content/_shaders/msl/lit_mesh.frag.msl
@@ -17,7 +17,9 @@ struct Scene
 {
     float4x4 Model;
     uint textureMode;
-    char _m0_final_padding[12];
+    uint pad0;
+    uint pad1;
+    uint pad2;
 };
 
 struct type_StructuredBuffer_Scene
@@ -25,8 +27,8 @@ struct type_StructuredBuffer_Scene
     Scene _m0[1];
 };
 
-constant float4 _68 = {};
-constant float3 _70 = {};
+constant float4 _83 = {};
+constant float3 _85 = {};
 
 struct main0_out
 {
@@ -42,93 +44,94 @@ struct main0_in
     uint in_var_TEXCOORD4 [[user(locn4)]];
 };
 
-fragment main0_out main0(main0_in in [[stage_in]], constant type_Uniforms& Uniforms [[buffer(0)]], const device type_StructuredBuffer_Scene& scene [[buffer(4294967295)]], texture2d<float> Texture0 [[texture(0)]], texture2d<float> DirectionalShadowDepthMap [[texture(3)]], sampler Sampler0 [[sampler(0)]], sampler DirectionalShadowSampler [[sampler(3)]])
+fragment main0_out main0(main0_in in [[stage_in]], constant type_Uniforms& Uniforms [[buffer(0)]], const device type_StructuredBuffer_Scene& scene [[buffer(1)]], texture2d<float> Texture0 [[texture(0)]], texture2d<float> Texture1 [[texture(1)]], texture2d<float> Texture2 [[texture(2)]], texture2d<float> DirectionalShadowDepthMap [[texture(3)]], sampler Sampler0 [[sampler(0)]], sampler Sampler1 [[sampler(1)]], sampler Sampler2 [[sampler(2)]], sampler DirectionalShadowSampler [[sampler(3)]])
 {
     main0_out out = {};
-    int _80 = int(scene._m0[in.in_var_TEXCOORD4].textureMode);
-    float4 _93;
-    if (_80 == 16)
+    int _94 = int(scene._m0[in.in_var_TEXCOORD4].textureMode);
+    float4 _128;
+    if (_94 == 16)
     {
-        _93 = _68;
+        float3 _115 = float3(Texture0.sample(Sampler0, in.in_var_TEXCOORD0).x, Texture1.sample(Sampler1, in.in_var_TEXCOORD0).x, Texture2.sample(Sampler2, in.in_var_TEXCOORD0).x) + float3(-0.0625, -0.5, -0.5);
+        _128 = float4(dot(_115, float3(1.164000034332275390625, 0.0, 1.7929999828338623046875)), dot(_115, float3(1.164000034332275390625, -0.212999999523162841796875, -0.53299999237060546875)), dot(_115, float3(1.164000034332275390625, 2.111999988555908203125, 0.0)), 1.0);
     }
     else
     {
-        float4 _92;
-        if (_80 == 0)
+        float4 _127;
+        if (_94 == 0)
         {
-            _92 = Texture0.sample(Sampler0, in.in_var_TEXCOORD0);
+            _127 = Texture0.sample(Sampler0, in.in_var_TEXCOORD0);
         }
         else
         {
-            _92 = _68;
+            _127 = _83;
         }
-        _93 = _92;
+        _128 = _127;
     }
-    if (_68.w < 0.00999999977648258209228515625)
+    if (_128.w < 0.00999999977648258209228515625)
     {
         discard_fragment();
     }
-    float3 _146;
+    float3 _182;
     do
     {
-        float3 _103 = Uniforms.lightPosition.xyz - in.in_var_TEXCOORD1;
-        float _104 = length(_103);
-        float _105 = _104 * _104;
-        float _111;
-        if (_104 > 2.0)
+        float3 _139 = Uniforms.lightPosition.xyz - in.in_var_TEXCOORD1;
+        float _140 = length(_139);
+        float _141 = _140 * _140;
+        float _147;
+        if (_140 > 2.0)
         {
-            _111 = 0.5 / _105;
+            _147 = 0.5 / _141;
         }
         else
         {
-            _111 = 1.0 / _105;
+            _147 = 1.0 / _141;
         }
-        float _116;
-        if (_104 > 4.0)
+        float _152;
+        if (_140 > 4.0)
         {
-            _116 = _111 * 0.5;
+            _152 = _147 * 0.5;
         }
         else
         {
-            _116 = _111;
+            _152 = _147;
         }
-        float _118 = (_104 > 15.0) ? 0.0 : _116;
-        float _120 = (_118 > 1.0) ? 1.0 : _118;
+        float _154 = (_140 > 15.0) ? 0.0 : _152;
+        float _156 = (_154 > 1.0) ? 1.0 : _154;
         if (length(in.in_var_TEXCOORD2) < 0.100000001490116119384765625)
         {
-            _146 = (in.in_var_TEXCOORD1 * float3(0.800000011920928955078125, 0.800000011920928955078125, 0.5)) * _120;
+            _182 = (in.in_var_TEXCOORD1 * float3(0.800000011920928955078125, 0.800000011920928955078125, 0.5)) * _156;
             break;
         }
-        float3 _127 = fast::normalize(_103);
-        _146 = ((float3(0.800000011920928955078125, 0.800000011920928955078125, 0.5) * precise::max(dot(_127, in.in_var_TEXCOORD2), 0.0)) * _120) + (((float3(0.800000011920928955078125, 0.800000011920928955078125, 0.5) * powr(precise::max(dot(in.in_var_TEXCOORD2, fast::normalize(_127 + fast::normalize(in.in_var_TEXCOORD1 - Uniforms.viewPos.xyz))), 0.0), 30.0)) * 2.0) * _120);
+        float3 _163 = fast::normalize(_139);
+        _182 = ((float3(0.800000011920928955078125, 0.800000011920928955078125, 0.5) * precise::max(dot(_163, in.in_var_TEXCOORD2), 0.0)) * _156) + (((float3(0.800000011920928955078125, 0.800000011920928955078125, 0.5) * powr(precise::max(dot(in.in_var_TEXCOORD2, fast::normalize(_163 + fast::normalize(in.in_var_TEXCOORD1 - Uniforms.viewPos.xyz))), 0.0), 30.0)) * 2.0) * _156);
         break;
     } while(false);
-    float3 _163 = ((in.in_var_TEXCOORD3.xyz / float3(in.in_var_TEXCOORD3.w)) * 0.5) + float3(0.5);
-    float3 _165;
-    _165.x = _163.x;
-    float2 _166 = _165.xy;
-    _166.y = -_163.y;
-    float _173;
-    int _176;
-    int _178;
-    _173 = 0.0;
-    _176 = 0;
-    _178 = -4;
-    float _174;
-    int _177;
-    for (; _178 <= 4; _173 = _174, _176 = _177, _178++)
+    float3 _199 = ((in.in_var_TEXCOORD3.xyz / float3(in.in_var_TEXCOORD3.w)) * 0.5) + float3(0.5);
+    float3 _201;
+    _201.x = _199.x;
+    float2 _202 = _201.xy;
+    _202.y = -_199.y;
+    float _209;
+    int _212;
+    int _214;
+    _209 = 0.0;
+    _212 = 0;
+    _214 = -4;
+    float _210;
+    int _213;
+    for (; _214 <= 4; _209 = _210, _212 = _213, _214++)
     {
-        _177 = _176;
-        _174 = _173;
-        for (int _187 = -4; _187 <= 4; )
+        _213 = _212;
+        _210 = _209;
+        for (int _223 = -4; _223 <= 4; )
         {
-            _177++;
-            _174 += float((in.in_var_TEXCOORD3.z - 0.004999999888241291046142578125) > DirectionalShadowDepthMap.sample(DirectionalShadowSampler, (_166 + float2(float(_187) * 0.000244140625, float(_178) * 0.000244140625))).x);
-            _187++;
+            _213++;
+            _210 += float((in.in_var_TEXCOORD3.z - 0.004999999888241291046142578125) > DirectionalShadowDepthMap.sample(DirectionalShadowSampler, (_202 + float2(float(_223) * 0.000244140625, float(_214) * 0.000244140625))).x);
+            _223++;
             continue;
         }
     }
-    out.out_var_SV_Target0 = float4(powr(_93.xyz * ((float3(0.100000001490116119384765625) + _146) + ((Uniforms.directionalLightColor.xyz * precise::max(dot(Uniforms.directionalLight.xyz, in.in_var_TEXCOORD2), 0.0)) * (1.0 - (_173 / float(_176))))), float3(0.4545454680919647216796875)), _68.w);
+    out.out_var_SV_Target0 = float4(powr(_128.xyz * ((float3(0.100000001490116119384765625) + _182) + ((Uniforms.directionalLightColor.xyz * precise::max(dot(Uniforms.directionalLight.xyz, in.in_var_TEXCOORD2), 0.0)) * (1.0 - (_209 / float(_212))))), float3(0.4545454680919647216796875)), _128.w);
     return out;
 }
 
diff --git a/projects/content/_shaders/msl/meshes.vert.msl b/projects/content/_shaders/msl/meshes.vert.msl
index cadffb3..f98d6ae 100644
--- a/projects/content/_shaders/msl/meshes.vert.msl
+++ b/projects/content/_shaders/msl/meshes.vert.msl
@@ -7,7 +7,9 @@ struct Scene
 {
     float4x4 Model;
     uint textureMode;
-    char _m0_final_padding[12];
+    uint pad0;
+    uint pad1;
+    uint pad2;
 };
 
 struct type_StructuredBuffer_Scene
diff --git a/projects/content/_shaders/spv/lit_mesh.frag.spv b/projects/content/_shaders/spv/lit_mesh.frag.spv
index 0a38e131bac67b1911c14545ea80eb7e406086ad..7eb41f0f8db29b6644e69f317e7767bc7b76a000 100644
GIT binary patch
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literal 5708
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diff --git a/projects/content/_shaders/spv/meshes.vert.spv b/projects/content/_shaders/spv/meshes.vert.spv
index 27f8e9d2c085f3a88df120c67c2330df883922d5..954489e4a3d7042f5d11273a0c131d20dbe7a300 100644
GIT binary patch
delta 158
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sGEmS3h&`ZYg7kyLJdngd`axnon;V$}8HL%wmP-HyBw={-O_u%40HC}O{Qv*}

delta 29
lcmbOuG(&L0h0Q#STbMTgVfJHWXJO!FU|^8g9Lu_&832&I2sQu!

diff --git a/projects/content/meshes/plane.obj b/projects/content/meshes/plane.obj
new file mode 100644
index 0000000..b23ed94
--- /dev/null
+++ b/projects/content/meshes/plane.obj
@@ -0,0 +1,14 @@
+# Blender 4.4.3
+# www.blender.org
+o Plane
+v -1.000000 0.000000 1.000000
+v 1.000000 0.000000 1.000000
+v -1.000000 0.000000 -1.000000
+v 1.000000 0.000000 -1.000000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+s 0
+f 1/1/1 2/2/1 4/3/1 3/4/1
diff --git a/projects/sampleGame/main.zig b/projects/sampleGame/main.zig
index c4c650d..9389091 100644
--- a/projects/sampleGame/main.zig
+++ b/projects/sampleGame/main.zig
@@ -16,6 +16,7 @@ showWindow: bool = true,
 fpcamera: *FpCamera = undefined,
 
 videoplayer: *VideoPlayer = undefined,
+videoplayerObject: core.Entity = undefined,
 
 pub var NeonObjectTable: core.EngineObjectVTable = core.EngineObjectVTable.from(@This());
 
@@ -48,11 +49,11 @@ const assetReferences = [_]assets.AssetImportReference{
     //     "t_fox",
     //     .{ .path = "gltf-samples/Fox/glTF/Texture.png" },
     // ),
-    // assets.MakeImportRefOptions(
-    //     "Texture",
-    //     "t_empire",
-    //     .{ .path = "textures/lost_empire-RGBA.png" },
-    // ),
+    assets.MakeImportRefOptions(
+        "Texture",
+        "t_empire",
+        .{ .path = "textures/lost_empire-RGBA.png" },
+    ),
     // assets.MakeImportRefOptions(
     //     "Texture",
     //     "t_skybox",
@@ -80,7 +81,9 @@ pub fn prepare(self: *@This()) !void {
 
     try assets.loadList(assetReferences);
     self.videoplayer = try VideoPlayer.create(self.allocator);
-    try self.videoplayer.startPlayback("OUTPUT3.ogv");
+    try self.videoplayer.startPlayback("LAPWING2.ogv");
+
+    self.videoplayerObject = try self.videoplayer.createVideoPlayerEntity();
 
     // rend.setSkyboxTexture("t_skybox");
 
@@ -98,16 +101,18 @@ pub fn prepare(self: *@This()) !void {
     }
 
     self.fpcamera = try FpCamera.create(self.allocator);
-    self.fpcamera.setPosition(.{ .z = -15, .y = 20 });
+    self.fpcamera.setPosition(.{ .z = 15 });
     self.fpcamera.activateCamera();
 
     {
+        core.engine_log("creating empire", .{});
+
         const lostEmpire = try core.createEntity();
         const scene = lostEmpire.addComponent(core.Scene).?;
         scene.setPosition(.{ .y = -20 });
         const empireMesh = lostEmpire.addComponent(rend.MeshComponent).?;
         empireMesh.setMesh("m_empire");
-        // empireMesh.setTexture("t_empire");
+        empireMesh.setTexture("t_empire");
     }
 
     {
@@ -121,13 +126,13 @@ pub fn prepare(self: *@This()) !void {
     }
 
     {
-        const lightbox = try core.createEntity();
-        const scene = lightbox.addComponent(core.Scene).?;
-        scene.setPosition(.{ .y = 2 });
-        scene.setScale(0.1, 0.1, 0.1);
-        const mesh = lightbox.addComponent(rend.MeshComponent).?;
-        mesh.setMesh("m_default_cube");
-        mesh.setTexture("t_default");
+        // const lightbox = try core.createEntity();
+        // const scene = lightbox.addComponent(core.Scene).?;
+        // scene.setPosition(.{ .z = 20 });
+        // scene.setScale(0.1, 0.1, 0.1);
+        // const mesh = lightbox.addComponent(rend.MeshComponent).?;
+        // mesh.setMesh("m_default_cube");
+        // mesh.setTexture("t_default");
     }
 
     const moveInput = try core.Axis2dBinding.create(core.MakeName("movement"));