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chore: handle iw4 technique flags

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This commit is contained in:
Jan Laupetin
2026-03-09 00:01:35 +01:00
parent 503fe89251
commit 161ab45306
8 changed files with 112 additions and 54 deletions
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43
src/ObjCompiling/Techset/TechniqueCompiler.cpp.template
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@@ -35,6 +35,7 @@
#include TECHSET_CONSTANTS_HEADER
#include "Techset/CommonShaderArgCreator.h"
#include "Techset/CommonTechniqueLoader.h"
#include "Techset/CommonVertexDeclCreator.h"
#include "Techset/LiteralConstsZoneState.h"
#include "Utils/StringUtils.h"
@@ -211,7 +212,7 @@ namespace
pass.customSamplerFlags = static_cast<decltype(MaterialPass::customSamplerFlags)>(commonPass.m_sampler_flags);
}
bool AnyDeclHasOptionalSource(const MaterialTechnique& technique)
bool AnyDeclHasOptionalSource(const MaterialTechnique& technique, AssetCreationContext& context)
{
for (auto passIndex = 0u; passIndex < technique.passCount; passIndex++)
{
@@ -219,36 +220,52 @@ namespace
if (!pass.vertexDecl)
continue;
#if defined(SHADERS_ARE_SUBASSETS)
if (pass.vertexDecl->hasOptionalSource)
return true;
#else
if (pass.vertexDecl->name && pass.vertexDecl->name[0] == ',')
{
if (techset::HasOptionalSourceByName(&pass.vertexDecl->name[1], commonRoutingInfos).value_or(false))
return true;
}
else if (pass.vertexDecl->hasOptionalSource)
return true;
#endif
}
return false;
}
void UpdateTechniqueFlags(MaterialTechnique& technique, const techset::CommonTechnique& commonTechnique)
void UpdateTechniqueFlags(MaterialTechnique& technique, const techset::CommonTechnique& commonTechnique, AssetCreationContext& context)
{
#if defined(FEATURE_IW4)
// TODO
#elif defined(FEATURE_T6)
std::string lowerTechniqueName(commonTechnique.m_name);
utils::MakeStringLowerCase(lowerTechniqueName);
#if defined(FEATURE_IW4)
// Not a particularly cool way to do this but...
// the game actually does this :shrug:
if (lowerTechniqueName == "zprepass")
technique.flags |= MTL_TECHFLAG_ZPREPASS;
else if (lowerTechniqueName == "build_floatz")
technique.flags |= MTL_TECHFLAG_BUILD_FLOATZ;
else if (lowerTechniqueName == "build_shadowmap_depth" || lowerTechniqueName == "build_shadowmap_model")
technique.flags |= MTL_TECHFLAG_BUILD_SHADOW_MAP_DEPTH_OR_MODEL;
if (technique.flags & MTL_TECHFLAG_USES_FLOATZ && lowerTechniqueName.starts_with("distortion_"))
technique.flags = (technique.flags & ~MTL_TECHFLAG_USES_FLOATZ) | MTL_TECHFLAG_USES_DISTORTION_FLOATZ;
#elif defined(FEATURE_T6)
// Not a particularly cool way to do this but...
// the game actually does this :shrug:
if (lowerTechniqueName == "zprepass" || lowerTechniqueName.starts_with("pimp_technique_zprepass_")
|| lowerTechniqueName.starts_with("pimp_technique_layer_zprepass_") || lowerTechniqueName.starts_with("pimp_technique_buildshadowmap_"))
{
technique.flags |= TECHNIQUE_FLAG_4;
technique.flags |= MTL_TECHFLAG_ZPREPASS;
}
#endif
if (AnyDeclHasOptionalSource(technique))
#if defined(FEATURE_IW4)
technique.flags |= TECHNIQUE_FLAG_20;
#elif defined(FEATURE_T6)
technique.flags |= TECHNIQUE_FLAG_8;
#endif
if (AnyDeclHasOptionalSource(technique, context))
technique.flags |= MTL_TECHFLAG_DECL_HAS_OPTIONAL_SOURCE;
}
MaterialTechnique* ConvertTechnique(const techset::CommonTechnique& commonTechnique, AssetCreationContext& context, MemoryManager& memory)
@@ -267,7 +284,7 @@ namespace
// Take common flags and apply further logic
technique->flags = static_cast<decltype(MaterialTechnique::flags)>(commonTechnique.m_flags);
UpdateTechniqueFlags(*technique, commonTechnique);
UpdateTechniqueFlags(*technique, commonTechnique, context);
return technique;
}