chore: add tests for techset and technique compilation

src/Common/Game/T6/T6_Assets.h

@@ -5760,9 +5760,13 @@ namespace T6
         STREAM_SRC_TEXCOORD_0 = 0x2,
         STREAM_SRC_NORMAL = 0x3,
         STREAM_SRC_TANGENT = 0x4,
-        STREAM_SRC_TEXCOORD_1 = 0x5,
+
-        STREAM_SRC_OPTIONAL_BEGIN = 0x6,
         STREAM_SRC_PRE_OPTIONAL_BEGIN = 0x5,
+
+        STREAM_SRC_TEXCOORD_1 = 0x5,
+
+        STREAM_SRC_OPTIONAL_BEGIN = 0x6,
+
         STREAM_SRC_TEXCOORD_2 = 0x6,
         STREAM_SRC_TEXCOORD_3 = 0x7,
         STREAM_SRC_NORMAL_TRANSFORM_0 = 0x8,

src/ObjWriting/Game/T6/Material/MaterialConstantZoneStateT6.cpp

@@ -409,6 +409,7 @@ namespace
         "colorMap",
         "colorMap1",
         "colorMap2",
+        "colorMap3",
         "colorMap2D",
         "colorMapPostSun",
         "colorMapPostSunSampler",

test/ObjCompilingTests/Game/T6/Techset/TechniqueCompilerT6Test.cpp

@@ -0,0 +1,328 @@
+#include "Game/T6/Techset/TechniqueCompilerT6.h"
+
+#include "Game/T6/T6.h"
+#include "Game/T6/Techset/PixelShaderLoaderT6.h"
+#include "Game/T6/Techset/VertexDeclCompilerT6.h"
+#include "Game/T6/Techset/VertexShaderLoaderT6.h"
+#include "OatTestPaths.h"
+#include "SearchPath/MockSearchPath.h"
+#include "Shader/ShaderCommon.h"
+#include "Utils/MemoryManager.h"
+
+#include <catch2/catch_test_macros.hpp>
+#include <filesystem>
+#include <fstream>
+#include <string>
+
+using namespace T6;
+using namespace Catch;
+using namespace std::literals;
+namespace fs = std::filesystem;
+
+namespace
+{
+    void GivenVertexShaderFile(const std::string& name, MockSearchPath& searchPath)
+    {
+        const auto filePath = oat::paths::GetTestDirectory() / "ObjCompilingTests/Game/T6/Techset" / std::format("vs_{}.cso", name);
+        const auto fileSize = static_cast<size_t>(fs::file_size(filePath));
+
+        std::ifstream file(filePath, std::ios::binary);
+        REQUIRE(file.is_open());
+
+        std::string data(fileSize, '\0');
+        file.read(data.data(), fileSize);
+        REQUIRE(file.gcount() == static_cast<std::streamsize>(fileSize));
+
+        searchPath.AddFileData(shader::GetFileNameForVertexShaderAssetName(name), std::move(data));
+    }
+
+    void GivenPixelShaderFile(const std::string& name, MockSearchPath& searchPath)
+    {
+        const auto filePath = oat::paths::GetTestDirectory() / "ObjCompilingTests/Game/T6/Techset" / std::format("ps_{}.cso", name);
+        const auto fileSize = static_cast<size_t>(fs::file_size(filePath));
+
+        std::ifstream file(filePath, std::ios::binary);
+        REQUIRE(file.is_open());
+
+        std::string data(fileSize, '\0');
+        file.read(data.data(), fileSize);
+        REQUIRE(file.gcount() == static_cast<std::streamsize>(fileSize));
+
+        searchPath.AddFileData(shader::GetFileNameForPixelShaderAssetName(name), std::move(data));
+    }
+} // namespace
+
+TEST_CASE("TechniqueCompilerT6", "[t6][techset][compiler]")
+{
+
+    Zone zone("MockZone", 0, GameId::T6, GamePlatform::PC);
+    zone.Register();
+
+    MemoryManager memory;
+    AssetCreatorCollection creatorCollection(zone);
+    IgnoredAssetLookup ignoredAssetLookup;
+    AssetCreationContext context(zone, &creatorCollection, &ignoredAssetLookup);
+    MockSearchPath searchPath;
+
+    creatorCollection.AddSubAssetCreator(techset::CreateVertexDeclCompilerT6(memory));
+    creatorCollection.AddSubAssetCreator(techset::CreateVertexShaderLoaderT6(memory, searchPath));
+    creatorCollection.AddSubAssetCreator(techset::CreatePixelShaderLoaderT6(memory, searchPath));
+
+    auto loader = techset::CreateTechniqueCompilerT6(memory, searchPath);
+
+    SECTION("Can compile simple technique")
+    {
+        searchPath.AddFileData("techniques/example_zprepass.tech", R"TECHNIQUE(
+{
+  stateMap "passthrough";
+
+  vertexShader 4.0 "simple.hlsl"
+  {
+  }
+
+  pixelShader 4.0 "simple.hlsl"
+  {
+  }
+
+  vertex.position = code.position;
+}
+)TECHNIQUE");
+
+        GivenVertexShaderFile("simple.hlsl", searchPath);
+        GivenPixelShaderFile("simple.hlsl", searchPath);
+
+        auto result = loader->CreateSubAsset("example_zprepass", context);
+        REQUIRE(result.HasBeenSuccessful());
+
+        const auto* assetInfo = reinterpret_cast<XAssetInfo<MaterialTechnique>*>(result.GetAssetInfo());
+        const auto* technique = assetInfo->Asset();
+
+        CHECK(technique->name == "example_zprepass"s);
+        CHECK(technique->flags == 0x84);
+
+        REQUIRE(technique->passCount == 1);
+        auto& pass = technique->passArray[0];
+        CHECK(pass.customSamplerFlags == 0);
+
+        // idk
+        // CHECK(pass.precompiledIndex == VERTEX_SHADER_MODEL_UNLIT);
+
+        // Set from techset
+        // CHECK(pass.materialType == MTL_TYPE_MODEL_VERTCOL);
+
+        REQUIRE(pass.vertexShader);
+        CHECK(pass.vertexShader->name == "simple.hlsl"s);
+        REQUIRE(pass.pixelShader);
+        CHECK(pass.pixelShader->name == "simple.hlsl"s);
+
+        REQUIRE(pass.vertexDecl);
+        auto& vertexDecl = *pass.vertexDecl;
+        CHECK(vertexDecl.hasOptionalSource == false);
+        CHECK(vertexDecl.isLoaded == false);
+        REQUIRE(vertexDecl.streamCount == 1);
+        CHECK(vertexDecl.routing.data[0].source == STREAM_SRC_POSITION);
+        CHECK(vertexDecl.routing.data[0].dest == STREAM_DST_POSITION);
+
+        REQUIRE(pass.perPrimArgCount == 1);
+        REQUIRE(pass.perObjArgCount == 1);
+        REQUIRE(pass.stableArgCount == 0);
+        CHECK(pass.args[0].type == MTL_ARG_CODE_VERTEX_CONST);
+        CHECK(pass.args[0].location.offset == 0);
+        CHECK(pass.args[0].size == 0x40);
+        CHECK(pass.args[0].buffer == 3);
+        CHECK(pass.args[0].u.codeConst.index == CONST_SRC_CODE_TRANSPOSE_WORLD_MATRIX);
+        CHECK(pass.args[0].u.codeConst.firstRow == 0);
+        CHECK(pass.args[0].u.codeConst.rowCount == 4);
+
+        CHECK(pass.args[1].type == MTL_ARG_CODE_VERTEX_CONST);
+        CHECK(pass.args[1].location.offset == 0x240);
+        CHECK(pass.args[1].size == 0x40);
+        CHECK(pass.args[1].buffer == 0);
+        CHECK(pass.args[1].u.codeConst.index == CONST_SRC_CODE_TRANSPOSE_VIEW_PROJECTION_MATRIX);
+        CHECK(pass.args[1].u.codeConst.firstRow == 0);
+        CHECK(pass.args[1].u.codeConst.rowCount == 4);
+    }
+
+    SECTION("Can compile advanced technique")
+    {
+        searchPath.AddFileData("techniques/example_lit_sun_shadow.tech", R"TECHNIQUE(
+{
+  stateMap "passthrough";
+
+  vertexShader 4.0 "advanced.hlsl"
+  {
+  }
+
+  pixelShader 4.0 "advanced.hlsl"
+  {
+    normalMapSampler = material.normalMap;
+    normalMapSampler1 = material.normalMap1;
+    colorMapSampler = material.colorMap;
+    colorMapSampler1 = material.colorMap1;
+    colorMapSampler3 = material.colorMap3;
+    colorMapSampler2 = material.colorMap2;
+    alphaRevealParms1 = material.alphaRevealParms1;
+  }
+
+  vertex.position = code.position;
+  vertex.color[0] = code.color;
+  vertex.texcoord[0] = code.texcoord[0];
+  vertex.normal = code.normal;
+  vertex.texcoord[2] = code.tangent;
+  vertex.texcoord[1] = code.texcoord[1];
+  vertex.texcoord[3] = code.texcoord[2];
+  vertex.texcoord[4] = code.texcoord[3];
+  vertex.texcoord[5] = code.normalTransform[0];
+}
+)TECHNIQUE");
+
+        GivenVertexShaderFile("advanced.hlsl", searchPath);
+        GivenPixelShaderFile("advanced.hlsl", searchPath);
+
+        auto result = loader->CreateSubAsset("example_lit_sun_shadow", context);
+        REQUIRE(result.HasBeenSuccessful());
+
+        const auto* assetInfo = reinterpret_cast<XAssetInfo<MaterialTechnique>*>(result.GetAssetInfo());
+        const auto* technique = assetInfo->Asset();
+
+        CHECK(technique->name == "example_lit_sun_shadow"s);
+        CHECK(technique->flags == 0x88);
+
+        REQUIRE(technique->passCount == 1);
+        auto& pass = technique->passArray[0];
+        CHECK(pass.customSamplerFlags == 3);
+
+        // idk
+        // CHECK(pass.precompiledIndex == VERTEX_SHADER_NONE);
+
+        // Set from techset
+        // CHECK(pass.materialType == MTL_TYPE_DEFAULT);
+
+        REQUIRE(pass.vertexShader);
+        CHECK(pass.vertexShader->name == "advanced.hlsl"s);
+        REQUIRE(pass.pixelShader);
+        CHECK(pass.pixelShader->name == "advanced.hlsl"s);
+
+        REQUIRE(pass.vertexDecl);
+        auto& vertexDecl = *pass.vertexDecl;
+        CHECK(vertexDecl.hasOptionalSource == true);
+        CHECK(vertexDecl.isLoaded == false);
+        REQUIRE(vertexDecl.streamCount == 9);
+        CHECK(vertexDecl.routing.data[0].source == STREAM_SRC_POSITION);
+        CHECK(vertexDecl.routing.data[0].dest == STREAM_DST_POSITION);
+        CHECK(vertexDecl.routing.data[1].source == STREAM_SRC_COLOR);
+        CHECK(vertexDecl.routing.data[1].dest == STREAM_DST_COLOR_0);
+        CHECK(vertexDecl.routing.data[2].source == STREAM_SRC_TEXCOORD_0);
+        CHECK(vertexDecl.routing.data[2].dest == STREAM_DST_TEXCOORD_0);
+        CHECK(vertexDecl.routing.data[3].source == STREAM_SRC_NORMAL);
+        CHECK(vertexDecl.routing.data[3].dest == STREAM_DST_NORMAL);
+        CHECK(vertexDecl.routing.data[4].source == STREAM_SRC_TANGENT);
+        CHECK(vertexDecl.routing.data[4].dest == STREAM_DST_TEXCOORD_2);
+        CHECK(vertexDecl.routing.data[5].source == STREAM_SRC_TEXCOORD_1);
+        CHECK(vertexDecl.routing.data[5].dest == STREAM_DST_TEXCOORD_1);
+        CHECK(vertexDecl.routing.data[6].source == STREAM_SRC_TEXCOORD_2);
+        CHECK(vertexDecl.routing.data[6].dest == STREAM_DST_TEXCOORD_3);
+        CHECK(vertexDecl.routing.data[7].source == STREAM_SRC_TEXCOORD_3);
+        CHECK(vertexDecl.routing.data[7].dest == STREAM_DST_TEXCOORD_4);
+        CHECK(vertexDecl.routing.data[8].source == STREAM_SRC_NORMAL_TRANSFORM_0);
+        CHECK(vertexDecl.routing.data[8].dest == STREAM_DST_TEXCOORD_5);
+
+        REQUIRE(pass.perPrimArgCount == 1);
+        REQUIRE(pass.perObjArgCount == 1);
+        REQUIRE(pass.stableArgCount == 11);
+        CHECK(pass.args[0].type == MTL_ARG_CODE_VERTEX_CONST);
+        CHECK(pass.args[0].location.offset == 0);
+        CHECK(pass.args[0].size == 0x40);
+        CHECK(pass.args[0].buffer == 3);
+        CHECK(pass.args[0].u.codeConst.index == CONST_SRC_CODE_TRANSPOSE_WORLD_MATRIX);
+        CHECK(pass.args[0].u.codeConst.firstRow == 0);
+        CHECK(pass.args[0].u.codeConst.rowCount == 4);
+
+        CHECK(pass.args[1].type == MTL_ARG_CODE_VERTEX_CONST);
+        CHECK(pass.args[1].location.offset == 0x240);
+        CHECK(pass.args[1].size == 0x40);
+        CHECK(pass.args[1].buffer == 0);
+        CHECK(pass.args[1].u.codeConst.index == CONST_SRC_CODE_TRANSPOSE_VIEW_PROJECTION_MATRIX);
+        CHECK(pass.args[1].u.codeConst.firstRow == 0);
+        CHECK(pass.args[1].u.codeConst.rowCount == 4);
+
+        CHECK(pass.args[2].type == MTL_ARG_MATERIAL_PIXEL_SAMPLER);
+        CHECK(pass.args[2].location.textureIndex == 1);
+        CHECK(pass.args[2].location.samplerIndex == 1);
+        CHECK(pass.args[2].size == 1);
+        CHECK(pass.args[2].buffer == 0);
+        CHECK(pass.args[2].u.nameHash == 0x59d30d0f);
+
+        CHECK(pass.args[3].type == MTL_ARG_MATERIAL_PIXEL_SAMPLER);
+        CHECK(pass.args[3].location.textureIndex == 3);
+        CHECK(pass.args[3].location.samplerIndex == 5);
+        CHECK(pass.args[3].size == 1);
+        CHECK(pass.args[3].buffer == 0);
+        CHECK(pass.args[3].u.nameHash == 0x9434aede);
+
+        CHECK(pass.args[4].type == MTL_ARG_MATERIAL_PIXEL_SAMPLER);
+        CHECK(pass.args[4].location.textureIndex == 0);
+        CHECK(pass.args[4].location.samplerIndex == 0);
+        CHECK(pass.args[4].size == 1);
+        CHECK(pass.args[4].buffer == 0);
+        CHECK(pass.args[4].u.nameHash == 0xa0ab1041);
+
+        CHECK(pass.args[5].type == MTL_ARG_MATERIAL_PIXEL_SAMPLER);
+        CHECK(pass.args[5].location.textureIndex == 2);
+        CHECK(pass.args[5].location.samplerIndex == 2);
+        CHECK(pass.args[5].size == 1);
+        CHECK(pass.args[5].buffer == 0);
+        CHECK(pass.args[5].u.nameHash == 0xb60d1850);
+
+        CHECK(pass.args[6].type == MTL_ARG_MATERIAL_PIXEL_SAMPLER);
+        CHECK(pass.args[6].location.textureIndex == 5);
+        CHECK(pass.args[6].location.samplerIndex == 4);
+        CHECK(pass.args[6].size == 1);
+        CHECK(pass.args[6].buffer == 0);
+        CHECK(pass.args[6].u.nameHash == 0xb60d1852);
+
+        CHECK(pass.args[7].type == MTL_ARG_MATERIAL_PIXEL_SAMPLER);
+        CHECK(pass.args[7].location.textureIndex == 4);
+        CHECK(pass.args[7].location.samplerIndex == 3);
+        CHECK(pass.args[7].size == 1);
+        CHECK(pass.args[7].buffer == 0);
+        CHECK(pass.args[7].u.nameHash == 0xb60d1853);
+
+        CHECK(pass.args[8].type == MTL_ARG_CODE_VERTEX_CONST);
+        CHECK(pass.args[8].location.offset == 0x300);
+        CHECK(pass.args[8].size == 0x40);
+        CHECK(pass.args[8].buffer == 0);
+        CHECK(pass.args[8].u.codeConst.index == CONST_SRC_CODE_TRANSPOSE_SHADOW_LOOKUP_MATRIX);
+        CHECK(pass.args[8].u.codeConst.firstRow == 0);
+        CHECK(pass.args[8].u.codeConst.rowCount == 4);
+
+        CHECK(pass.args[9].type == MTL_ARG_CODE_PIXEL_SAMPLER);
+        CHECK(pass.args[9].location.textureIndex == 9);
+        CHECK(pass.args[9].location.samplerIndex == 9);
+        CHECK(pass.args[9].size == 1);
+        CHECK(pass.args[9].buffer == 0);
+        CHECK(pass.args[9].u.codeSampler == TEXTURE_SRC_CODE_SHADOWMAP_SUN);
+
+        CHECK(pass.args[10].type == MTL_ARG_CODE_PIXEL_CONST);
+        CHECK(pass.args[10].location.offset == 0x610);
+        CHECK(pass.args[10].size == 0x10);
+        CHECK(pass.args[10].buffer == 0);
+        CHECK(pass.args[10].u.codeConst.index == CONST_SRC_CODE_SHADOWMAP_SWITCH_PARTITION);
+        CHECK(pass.args[10].u.codeConst.firstRow == 0);
+        CHECK(pass.args[10].u.codeConst.rowCount == 1);
+
+        CHECK(pass.args[11].type == MTL_ARG_CODE_PIXEL_CONST);
+        CHECK(pass.args[11].location.offset == 0x630);
+        CHECK(pass.args[11].size == 0x10);
+        CHECK(pass.args[11].buffer == 0);
+        CHECK(pass.args[11].u.codeConst.index == CONST_SRC_CODE_SUNSHADOWMAP_PIXEL_SIZE);
+        CHECK(pass.args[11].u.codeConst.firstRow == 0);
+        CHECK(pass.args[11].u.codeConst.rowCount == 1);
+
+        CHECK(pass.args[12].type == MTL_ARG_MATERIAL_PIXEL_CONST);
+        CHECK(pass.args[12].location.offset == 0x3b0);
+        CHECK(pass.args[12].size == 0x10);
+        CHECK(pass.args[12].buffer == 1);
+        CHECK(pass.args[12].u.nameHash == 0x88befc31);
+    }
+}

test/ObjCompilingTests/Game/T6/Techset/TechsetCompilerT6Test.cpp

@@ -2,6 +2,7 @@
 
 #include "Game/T6/T6.h"
 #include "SearchPath/MockSearchPath.h"
+#include "Techset/TechsetCommon.h"
 #include "Utils/TestMemoryManager.h"
 
 #include <catch2/catch_test_macros.hpp>
@@ -12,7 +13,20 @@
 using namespace T6;
 using namespace std::string_literals;
 
-TEST_CASE("Game::T6::Techset::TechsetCompilerT6", "[techset][t6]")
+namespace
+{
+    MaterialTechnique* GivenTechnique(const std::string& name, AssetCreationContext& context, MemoryManager& memory)
+    {
+        auto* technique = memory.Alloc<MaterialTechnique>();
+        technique->name = memory.Dup(name.c_str());
+
+        context.AddSubAsset<SubAssetTechnique>(name, technique);
+
+        return technique;
+    }
+} // namespace
+
+TEST_CASE("TechsetCompilerT6", "[techset][t6][compiler]")
 {
     Zone zone("test", 0, GameId::T6, GamePlatform::PC);
     AssetCreatorCollection creators(zone);
@@ -20,7 +34,7 @@ TEST_CASE("Game::T6::Techset::TechsetCompilerT6", "[techset][t6]")
     AssetCreationContext context(zone, &creators, &ignoredAssets);
     MockSearchPath searchPath;
     TestMemoryManager memory;
-    const auto sut = ::techset::CreateCompilerT6(memory, searchPath);
+    const auto sut = techset::CreateCompilerT6(memory, searchPath);
 
     SECTION("Sets correct worldVertFormat")
     {
@@ -54,7 +68,7 @@ TEST_CASE("Game::T6::Techset::TechsetCompilerT6", "[techset][t6]")
         }));
 
         CAPTURE(techsetName);
-        searchPath.AddFileData(std::format("techsets/{}.techset", techsetName), "");
+        searchPath.AddFileData(techset::GetFileNameForTechsetName(techsetName), "");
 
         const auto result = sut->CreateAsset(techsetName, context);
         REQUIRE(result.HasBeenSuccessful());
@@ -62,4 +76,74 @@ TEST_CASE("Game::T6::Techset::TechsetCompilerT6", "[techset][t6]")
         const auto* techset = static_cast<MaterialTechniqueSet*>(result.GetAssetInfo()->m_ptr);
         CHECK(techset->worldVertFormat == expectedWorldVertFormat);
     }
+
+    SECTION("Can parse simple techset")
+    {
+        searchPath.AddFileData(techset::GetFileNameForTechsetName("simple"), R"TECHSET(
+"depth prepass":
+  example_zprepass;
+
+"lit sun shadow":
+  example_lit_sun_shadow;
+)TECHSET");
+
+        auto* exampleZPrepass = GivenTechnique("example_zprepass", context, memory);
+        auto* exampleLitSunShadow = GivenTechnique("example_lit_sun_shadow", context, memory);
+
+        const auto result = sut->CreateAsset("simple", context);
+        REQUIRE(result.HasBeenSuccessful());
+
+        const auto* techset = static_cast<MaterialTechniqueSet*>(result.GetAssetInfo()->m_ptr);
+        CHECK(techset->name == "simple"s);
+        CHECK(techset->worldVertFormat == MTL_WORLDVERT_TEX_1_NRM_1);
+
+        size_t techniqueCount = 0;
+        for (auto* technique : techset->techniques)
+        {
+            if (technique)
+                techniqueCount++;
+        }
+
+        CHECK(techniqueCount == 2);
+        CHECK(techset->techniques[TECHNIQUE_DEPTH_PREPASS] == exampleZPrepass);
+        CHECK(techset->techniques[TECHNIQUE_LIT_SUN_SHADOW] == exampleLitSunShadow);
+    }
+
+    SECTION("Can parse techset with same technique used multiple times")
+    {
+        searchPath.AddFileData(techset::GetFileNameForTechsetName("simple"), R"TECHSET(
+"depth prepass":
+"build shadowmap depth":
+  example_zprepass;
+
+"lit":
+"lit sun":
+"lit sun shadow":
+  example_lit_sun_shadow;
+)TECHSET");
+
+        auto* exampleZPrepass = GivenTechnique("example_zprepass", context, memory);
+        auto* exampleLitSunShadow = GivenTechnique("example_lit_sun_shadow", context, memory);
+
+        const auto result = sut->CreateAsset("simple", context);
+        REQUIRE(result.HasBeenSuccessful());
+
+        const auto* techset = static_cast<MaterialTechniqueSet*>(result.GetAssetInfo()->m_ptr);
+        CHECK(techset->name == "simple"s);
+        CHECK(techset->worldVertFormat == MTL_WORLDVERT_TEX_1_NRM_1);
+
+        size_t techniqueCount = 0;
+        for (auto* technique : techset->techniques)
+        {
+            if (technique)
+                techniqueCount++;
+        }
+
+        CHECK(techniqueCount == 5);
+        CHECK(techset->techniques[TECHNIQUE_DEPTH_PREPASS] == exampleZPrepass);
+        CHECK(techset->techniques[TECHNIQUE_BUILD_SHADOWMAP_DEPTH] == exampleZPrepass);
+        CHECK(techset->techniques[TECHNIQUE_LIT] == exampleLitSunShadow);
+        CHECK(techset->techniques[TECHNIQUE_LIT_SUN] == exampleLitSunShadow);
+        CHECK(techset->techniques[TECHNIQUE_LIT_SUN_SHADOW] == exampleLitSunShadow);
+    }
 }

test/ObjCompilingTests/Game/T6/Techset/VertexDeclCompilerT6Test.cpp

@@ -0,0 +1,63 @@
+#include "Game/T6/Techset/VertexDeclCompilerT6.h"
+
+#include "Game/T6/T6.h"
+#include "Utils/MemoryManager.h"
+
+#include <catch2/catch_test_macros.hpp>
+
+using namespace T6;
+using namespace Catch;
+using namespace std::literals;
+
+TEST_CASE("VertexDeclCompilerT6", "[t6][techset][compiler]")
+{
+    Zone zone("MockZone", 0, GameId::T6, GamePlatform::PC);
+    zone.Register();
+
+    MemoryManager memory;
+    AssetCreatorCollection creatorCollection(zone);
+    IgnoredAssetLookup ignoredAssetLookup;
+    AssetCreationContext context(zone, &creatorCollection, &ignoredAssetLookup);
+
+    auto loader = techset::CreateVertexDeclCompilerT6(memory);
+
+    SECTION("Can create simple vertex decl")
+    {
+        auto result = loader->CreateSubAsset("pp", context);
+        REQUIRE(result.HasBeenSuccessful());
+
+        const auto* assetInfo = reinterpret_cast<XAssetInfo<MaterialVertexDeclaration>*>(result.GetAssetInfo());
+        const auto* decl = assetInfo->Asset();
+
+        CHECK(decl->hasOptionalSource == false);
+        CHECK(decl->isLoaded == false);
+
+        REQUIRE(decl->streamCount == 1);
+        CHECK(decl->routing.data[0].source == STREAM_SRC_POSITION);
+        CHECK(decl->routing.data[0].dest == STREAM_DST_POSITION);
+    }
+
+    SECTION("Can create advanced vertex decl")
+    {
+        auto result = loader->CreateSubAsset("pbcc1tt10t1t1n1n", context);
+        REQUIRE(result.HasBeenSuccessful());
+
+        const auto* assetInfo = reinterpret_cast<XAssetInfo<MaterialVertexDeclaration>*>(result.GetAssetInfo());
+        const auto* decl = assetInfo->Asset();
+
+        CHECK(decl->hasOptionalSource == true);
+        CHECK(decl->isLoaded == false);
+
+        REQUIRE(decl->streamCount == 5);
+        CHECK(decl->routing.data[0].source == STREAM_SRC_POSITION);
+        CHECK(decl->routing.data[0].dest == STREAM_DST_BLENDWEIGHT);
+        CHECK(decl->routing.data[1].source == STREAM_SRC_COLOR);
+        CHECK(decl->routing.data[1].dest == STREAM_DST_COLOR_1);
+        CHECK(decl->routing.data[2].source == STREAM_SRC_TANGENT);
+        CHECK(decl->routing.data[2].dest == STREAM_DST_TEXCOORD_10);
+        CHECK(decl->routing.data[3].source == STREAM_SRC_TEXCOORD_1);
+        CHECK(decl->routing.data[3].dest == STREAM_DST_TEXCOORD_1);
+        CHECK(decl->routing.data[4].source == STREAM_SRC_NORMAL_TRANSFORM_1);
+        CHECK(decl->routing.data[4].dest == STREAM_DST_NORMAL);
+    }
+}

test/ObjWritingTests/Game/T6/Techset/TechsetDumperT6Test.cpp

@@ -0,0 +1,382 @@
+#include "Game/T6/Techset/TechsetDumperT6.h"
+
+#include "Asset/AssetRegistration.h"
+#include "Game/T6/GameT6.h"
+#include "OatTestPaths.h"
+#include "SearchPath/MockOutputPath.h"
+#include "SearchPath/MockSearchPath.h"
+#include "Utils/MemoryManager.h"
+
+#include <catch2/catch_test_macros.hpp>
+#include <filesystem>
+#include <format>
+#include <fstream>
+#include <string>
+
+using namespace T6;
+using namespace Catch;
+using namespace std::literals;
+namespace fs = std::filesystem;
+
+namespace
+{
+    std::string Trimmed(const std::string& input)
+    {
+        auto start = input.find_first_not_of(" \r\n");
+        if (start == std::string::npos)
+            start = 0;
+
+        auto end = input.find_last_not_of(" \r\n");
+        if (end == std::string::npos)
+            end = input.length();
+        else
+            end = end + 1;
+
+        return input.substr(start, end - start);
+    }
+
+    MaterialVertexShader* GivenVertexShader(const std::string& name, MemoryManager& memory)
+    {
+        const auto filePath = oat::paths::GetTestDirectory() / "ObjWritingTests/Game/T6/Techset" / std::format("vs_{}.cso", name);
+        const auto fileSize = static_cast<size_t>(fs::file_size(filePath));
+
+        std::ifstream file(filePath, std::ios::binary);
+        REQUIRE(file.is_open());
+
+        auto* shader = memory.Alloc<MaterialVertexShader>();
+        shader->name = memory.Dup(name.c_str());
+        shader->prog.loadDef.program = memory.Alloc<char>(fileSize);
+        shader->prog.loadDef.programSize = static_cast<decltype(GfxVertexShaderLoadDef::programSize)>(fileSize);
+        file.read(shader->prog.loadDef.program, fileSize);
+        REQUIRE(file.gcount() == static_cast<std::streamsize>(fileSize));
+
+        return shader;
+    }
+
+    MaterialPixelShader* GivenPixelShader(const std::string& name, MemoryManager& memory)
+    {
+        const auto filePath = oat::paths::GetTestDirectory() / "ObjWritingTests/Game/T6/Techset" / std::format("ps_{}.cso", name);
+        const auto fileSize = static_cast<size_t>(fs::file_size(filePath));
+
+        std::ifstream file(filePath, std::ios::binary);
+        REQUIRE(file.is_open());
+
+        auto* shader = memory.Alloc<MaterialPixelShader>();
+        shader->name = memory.Dup(name.c_str());
+        shader->prog.loadDef.program = memory.Alloc<char>(fileSize);
+        shader->prog.loadDef.programSize = static_cast<decltype(GfxPixelShaderLoadDef::programSize)>(fileSize);
+        file.read(shader->prog.loadDef.program, fileSize);
+        REQUIRE(file.gcount() == static_cast<std::streamsize>(fileSize));
+
+        return shader;
+    }
+
+    MaterialTechnique* GivenDepthPrepassTechnique(MemoryManager& memory)
+    {
+        auto* technique = memory.Alloc<MaterialTechnique>();
+        technique->name = "example_zprepass";
+        technique->flags = 0x84;
+        technique->passCount = 1;
+
+        auto& pass = technique->passArray[0];
+        pass.perPrimArgCount = 1;
+        pass.perObjArgCount = 1;
+        pass.stableArgCount = 0;
+        pass.customSamplerFlags = 0;
+        pass.precompiledIndex = VERTEX_SHADER_MODEL_UNLIT;
+        pass.materialType = MTL_TYPE_MODEL_VERTCOL;
+
+        pass.vertexShader = GivenVertexShader("simple.hlsl", memory);
+        pass.pixelShader = GivenPixelShader("simple.hlsl", memory);
+
+        pass.vertexDecl = memory.Alloc<MaterialVertexDeclaration>();
+        auto& vertexDecl = *pass.vertexDecl;
+        vertexDecl.streamCount = 1;
+        vertexDecl.hasOptionalSource = false;
+        vertexDecl.isLoaded = false;
+        vertexDecl.routing.data[0].source = STREAM_SRC_POSITION;
+        vertexDecl.routing.data[0].dest = STREAM_DST_POSITION;
+
+        pass.args = memory.Alloc<MaterialShaderArgument>(2);
+        pass.args[0].type = MTL_ARG_CODE_VERTEX_CONST;
+        pass.args[0].location.offset = 0;
+        pass.args[0].size = 0x40;
+        pass.args[0].buffer = 3;
+        pass.args[0].u.codeConst.index = CONST_SRC_CODE_TRANSPOSE_WORLD_MATRIX;
+        pass.args[0].u.codeConst.firstRow = 0;
+        pass.args[0].u.codeConst.rowCount = 4;
+
+        pass.args[1].type = MTL_ARG_CODE_VERTEX_CONST;
+        pass.args[1].location.offset = 0x240;
+        pass.args[1].size = 0x40;
+        pass.args[1].buffer = 0;
+        pass.args[1].u.codeConst.index = CONST_SRC_CODE_TRANSPOSE_VIEW_PROJECTION_MATRIX;
+        pass.args[1].u.codeConst.firstRow = 0;
+        pass.args[1].u.codeConst.rowCount = 4;
+
+        return technique;
+    }
+
+    MaterialTechnique* GivenLitSunShadowTechnique(MemoryManager& memory)
+    {
+        auto* technique = memory.Alloc<MaterialTechnique>();
+        technique->name = "example_lit_sun_shadow";
+        technique->flags = 0x88;
+        technique->passCount = 1;
+
+        auto& pass = technique->passArray[0];
+        pass.perPrimArgCount = 1;
+        pass.perObjArgCount = 1;
+        pass.stableArgCount = 11;
+        pass.customSamplerFlags = 3;
+        pass.precompiledIndex = VERTEX_SHADER_NONE;
+        pass.materialType = MTL_TYPE_DEFAULT;
+
+        pass.vertexShader = GivenVertexShader("advanced.hlsl", memory);
+        pass.pixelShader = GivenPixelShader("advanced.hlsl", memory);
+
+        pass.vertexDecl = memory.Alloc<MaterialVertexDeclaration>();
+        auto& vertexDecl = *pass.vertexDecl;
+        vertexDecl.streamCount = 9;
+        vertexDecl.hasOptionalSource = true;
+        vertexDecl.isLoaded = false;
+        vertexDecl.routing.data[0].source = STREAM_SRC_POSITION;
+        vertexDecl.routing.data[0].dest = STREAM_DST_POSITION;
+        vertexDecl.routing.data[1].source = STREAM_SRC_COLOR;
+        vertexDecl.routing.data[1].dest = STREAM_DST_COLOR_0;
+        vertexDecl.routing.data[2].source = STREAM_SRC_TEXCOORD_0;
+        vertexDecl.routing.data[2].dest = STREAM_DST_TEXCOORD_0;
+        vertexDecl.routing.data[3].source = STREAM_SRC_NORMAL;
+        vertexDecl.routing.data[3].dest = STREAM_DST_NORMAL;
+        vertexDecl.routing.data[4].source = STREAM_SRC_TANGENT;
+        vertexDecl.routing.data[4].dest = STREAM_DST_TEXCOORD_2;
+        vertexDecl.routing.data[5].source = STREAM_SRC_TEXCOORD_1;
+        vertexDecl.routing.data[5].dest = STREAM_DST_TEXCOORD_1;
+        vertexDecl.routing.data[6].source = STREAM_SRC_TEXCOORD_2;
+        vertexDecl.routing.data[6].dest = STREAM_DST_TEXCOORD_3;
+        vertexDecl.routing.data[7].source = STREAM_SRC_TEXCOORD_3;
+        vertexDecl.routing.data[7].dest = STREAM_DST_TEXCOORD_4;
+        vertexDecl.routing.data[8].source = STREAM_SRC_NORMAL_TRANSFORM_0;
+        vertexDecl.routing.data[8].dest = STREAM_DST_TEXCOORD_5;
+
+        pass.args = memory.Alloc<MaterialShaderArgument>(13);
+        pass.args[0].type = MTL_ARG_CODE_VERTEX_CONST;
+        pass.args[0].location.offset = 0;
+        pass.args[0].size = 0x40;
+        pass.args[0].buffer = 3;
+        pass.args[0].u.codeConst.index = CONST_SRC_CODE_TRANSPOSE_WORLD_MATRIX;
+        pass.args[0].u.codeConst.firstRow = 0;
+        pass.args[0].u.codeConst.rowCount = 4;
+
+        pass.args[1].type = MTL_ARG_CODE_VERTEX_CONST;
+        pass.args[1].location.offset = 0x240;
+        pass.args[1].size = 0x40;
+        pass.args[1].buffer = 0;
+        pass.args[1].u.codeConst.index = CONST_SRC_CODE_TRANSPOSE_VIEW_PROJECTION_MATRIX;
+        pass.args[1].u.codeConst.firstRow = 0;
+        pass.args[1].u.codeConst.rowCount = 4;
+
+        pass.args[2].type = MTL_ARG_MATERIAL_PIXEL_SAMPLER;
+        pass.args[2].location.textureIndex = 1;
+        pass.args[2].location.samplerIndex = 1;
+        pass.args[2].size = 1;
+        pass.args[2].buffer = 0;
+        pass.args[2].u.nameHash = 0x59d30d0f;
+
+        pass.args[3].type = MTL_ARG_MATERIAL_PIXEL_SAMPLER;
+        pass.args[3].location.textureIndex = 3;
+        pass.args[3].location.samplerIndex = 5;
+        pass.args[3].size = 1;
+        pass.args[3].buffer = 0;
+        pass.args[3].u.nameHash = 0x9434aede;
+
+        pass.args[4].type = MTL_ARG_MATERIAL_PIXEL_SAMPLER;
+        pass.args[4].location.textureIndex = 0;
+        pass.args[4].location.samplerIndex = 0;
+        pass.args[4].size = 1;
+        pass.args[4].buffer = 0;
+        pass.args[4].u.nameHash = 0xa0ab1041;
+
+        pass.args[5].type = MTL_ARG_MATERIAL_PIXEL_SAMPLER;
+        pass.args[5].location.textureIndex = 2;
+        pass.args[5].location.samplerIndex = 2;
+        pass.args[5].size = 1;
+        pass.args[5].buffer = 0;
+        pass.args[5].u.nameHash = 0xb60d1850;
+
+        pass.args[6].type = MTL_ARG_MATERIAL_PIXEL_SAMPLER;
+        pass.args[6].location.textureIndex = 5;
+        pass.args[6].location.samplerIndex = 4;
+        pass.args[6].size = 1;
+        pass.args[6].buffer = 0;
+        pass.args[6].u.nameHash = 0xb60d1852;
+
+        pass.args[7].type = MTL_ARG_MATERIAL_PIXEL_SAMPLER;
+        pass.args[7].location.textureIndex = 4;
+        pass.args[7].location.samplerIndex = 3;
+        pass.args[7].size = 1;
+        pass.args[7].buffer = 0;
+        pass.args[7].u.nameHash = 0xb60d1853;
+
+        pass.args[8].type = MTL_ARG_CODE_VERTEX_CONST;
+        pass.args[8].location.offset = 0x300;
+        pass.args[8].size = 0x40;
+        pass.args[8].buffer = 0;
+        pass.args[8].u.codeConst.index = CONST_SRC_CODE_TRANSPOSE_SHADOW_LOOKUP_MATRIX;
+        pass.args[8].u.codeConst.firstRow = 0;
+        pass.args[8].u.codeConst.rowCount = 4;
+
+        pass.args[9].type = MTL_ARG_CODE_PIXEL_SAMPLER;
+        pass.args[9].location.textureIndex = 9;
+        pass.args[9].location.samplerIndex = 9;
+        pass.args[9].size = 1;
+        pass.args[9].buffer = 0;
+        pass.args[9].u.codeSampler = TEXTURE_SRC_CODE_SHADOWMAP_SUN;
+
+        pass.args[10].type = MTL_ARG_CODE_PIXEL_CONST;
+        pass.args[10].location.offset = 0x610;
+        pass.args[10].size = 0x10;
+        pass.args[10].buffer = 0;
+        pass.args[10].u.codeConst.index = CONST_SRC_CODE_SHADOWMAP_SWITCH_PARTITION;
+        pass.args[10].u.codeConst.firstRow = 0;
+        pass.args[10].u.codeConst.rowCount = 1;
+
+        pass.args[11].type = MTL_ARG_CODE_PIXEL_CONST;
+        pass.args[11].location.offset = 0x630;
+        pass.args[11].size = 0x10;
+        pass.args[11].buffer = 0;
+        pass.args[11].u.codeConst.index = CONST_SRC_CODE_SUNSHADOWMAP_PIXEL_SIZE;
+        pass.args[11].u.codeConst.firstRow = 0;
+        pass.args[11].u.codeConst.rowCount = 1;
+
+        pass.args[12].type = MTL_ARG_MATERIAL_PIXEL_CONST;
+        pass.args[12].location.offset = 0x3b0;
+        pass.args[12].size = 0x10;
+        pass.args[12].buffer = 1;
+        pass.args[12].u.nameHash = 0x88befc31;
+
+        return technique;
+    }
+
+    MaterialTechniqueSet* GivenTechset(Zone& zone, MemoryManager& memory)
+    {
+        auto* techset = memory.Alloc<MaterialTechniqueSet>();
+        techset->name = "example_techset";
+        techset->worldVertFormat = MTL_WORLDVERT_TEX_4_NRM_2;
+
+        techset->techniques[TECHNIQUE_DEPTH_PREPASS] = GivenDepthPrepassTechnique(memory);
+        techset->techniques[TECHNIQUE_LIT_SUN_SHADOW] = GivenLitSunShadowTechnique(memory);
+
+        zone.m_pools.AddAsset(std::make_unique<XAssetInfo<MaterialTechniqueSet>>(ASSET_TYPE_TECHNIQUE_SET, techset->name, techset));
+        return techset;
+    }
+} // namespace
+
+TEST_CASE("TechsetDumperT6", "[t6][techset][dumper]")
+{
+    Zone zone("MockZone", 0, GameId::T6, GamePlatform::PC);
+    zone.Register();
+
+    MemoryManager memory;
+    MockSearchPath mockObjPath;
+    MockOutputPath mockOutput;
+    AssetDumpingContext context(zone, "", mockOutput, mockObjPath, std::nullopt);
+
+    GivenTechset(zone, memory);
+
+    techset::DumperT6 dumper(true);
+
+    SECTION("Can dump techset")
+    {
+        std::string expected(R"TECHSET(
+"depth prepass":
+  example_zprepass;
+
+"lit sun shadow":
+  example_lit_sun_shadow;
+)TECHSET");
+
+        dumper.Dump(context);
+
+        const auto* file = mockOutput.GetMockedFile("techsets/example_techset.techset");
+        REQUIRE(file);
+        REQUIRE(Trimmed(file->AsString()) == Trimmed(expected));
+    }
+
+    SECTION("Can dump simple technique")
+    {
+        std::string expected(R"TECHNIQUE(
+// TECHNIQUE FLAGS: 0x4
+// TECHNIQUE FLAGS: 0x80
+{
+  stateMap "passthrough"; // TODO
+
+  vertexShader 4.0 "simple.hlsl"
+  {
+    // Omitted due to matching accessors: worldMatrix = constant.worldMatrix;
+    // Omitted due to matching accessors: viewProjectionMatrix = constant.viewProjectionMatrix;
+  }
+
+  pixelShader 4.0 "simple.hlsl"
+  {
+  }
+
+  vertex.position = code.position;
+}
+)TECHNIQUE");
+        dumper.Dump(context);
+
+        const auto* file = mockOutput.GetMockedFile("techniques/example_zprepass.tech");
+        REQUIRE(file);
+        REQUIRE(Trimmed(file->AsString()) == Trimmed(expected));
+    }
+
+    SECTION("Can dump advanced technique")
+    {
+        std::string expected(R"TECHNIQUE(
+// TECHNIQUE FLAGS: 0x8
+// TECHNIQUE FLAGS: 0x80
+{
+  // CUSTOM SAMPLER FLAGS: 0x1
+  // CUSTOM SAMPLER FLAGS: 0x2
+  stateMap "passthrough"; // TODO
+
+  vertexShader 4.0 "advanced.hlsl"
+  {
+    // Omitted due to matching accessors: worldMatrix = constant.worldMatrix;
+    // Omitted due to matching accessors: viewProjectionMatrix = constant.viewProjectionMatrix;
+    // Omitted due to matching accessors: shadowLookupMatrix = constant.shadowLookupMatrix;
+  }
+
+  pixelShader 4.0 "advanced.hlsl"
+  {
+    normalMapSampler = material.normalMap;
+    normalMapSampler1 = material.normalMap1;
+    colorMapSampler = material.colorMap;
+    colorMapSampler1 = material.colorMap1;
+    colorMapSampler3 = material.colorMap3;
+    colorMapSampler2 = material.colorMap2;
+    // Omitted due to matching accessors: shadowmapSamplerSun = sampler.shadowmapSamplerSun;
+    // Omitted due to matching accessors: shadowmapSwitchPartition = constant.shadowmapSwitchPartition;
+    // Omitted due to matching accessors: sunShadowmapPixelSize = constant.sunShadowmapPixelSize;
+    alphaRevealParms1 = material.alphaRevealParms1;
+  }
+
+  vertex.position = code.position;
+  vertex.color[0] = code.color;
+  vertex.texcoord[0] = code.texcoord[0];
+  vertex.normal = code.normal;
+  vertex.texcoord[2] = code.tangent;
+  vertex.texcoord[1] = code.texcoord[1];
+  vertex.texcoord[3] = code.texcoord[2];
+  vertex.texcoord[4] = code.texcoord[3];
+  vertex.texcoord[5] = code.normalTransform[0];
+}
+)TECHNIQUE");
+        dumper.Dump(context);
+
+        const auto* file = mockOutput.GetMockedFile("techniques/example_lit_sun_shadow.tech");
+        REQUIRE(file);
+        REQUIRE(Trimmed(file->AsString()) == Trimmed(expected));
+    }
+}