From e83671f494247501793c9631fe2816e6c0357464 Mon Sep 17 00:00:00 2001 From: Martin Vorbrodt Date: Wed, 24 Apr 2019 18:35:14 -0400 Subject: [PATCH 1/3] Generate attenuation constants if non are privded in the Blender file. Using: https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/ --- code/BlenderLoader.cpp | 27 +++++++++++++++++++++++++++ code/BlenderScene.cpp | 5 ++++- code/BlenderScene.h | 4 ++++ 3 files changed, 35 insertions(+), 1 deletion(-) diff --git a/code/BlenderLoader.cpp b/code/BlenderLoader.cpp index 90065ceee..d39cb9699 100644 --- a/code/BlenderLoader.cpp +++ b/code/BlenderLoader.cpp @@ -1225,6 +1225,16 @@ aiLight* BlenderImporter::ConvertLight(const Scene& /*in*/, const Object* obj, c case Lamp::Type_Local: out->mType = aiLightSource_POINT; break; + case Lamp::Type_Spot: + out->mType = aiLightSource_SPOT; + + // blender orients directional lights as facing toward -z + out->mDirection = aiVector3D(0.f, 0.f, -1.f); + out->mUp = aiVector3D(0.f, 1.f, 0.f); + + out->mAngleInnerCone = lamp->spotsize * (1.0f - lamp->spotblend); + out->mAngleOuterCone = lamp->spotsize; + break; case Lamp::Type_Sun: out->mType = aiLightSource_DIRECTIONAL; @@ -1255,6 +1265,23 @@ aiLight* BlenderImporter::ConvertLight(const Scene& /*in*/, const Object* obj, c out->mColorAmbient = aiColor3D(lamp->r, lamp->g, lamp->b) * lamp->energy; out->mColorSpecular = aiColor3D(lamp->r, lamp->g, lamp->b) * lamp->energy; out->mColorDiffuse = aiColor3D(lamp->r, lamp->g, lamp->b) * lamp->energy; + + // If default values are supplied, compute the coefficients from light's max distance + // Read this: https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/ + // + if (lamp->constant_coefficient == 1.0f && lamp->linear_coefficient == 0.0f && lamp->quadratic_coefficient == 0.0f && lamp->dist > 0.0f) + { + out->mAttenuationConstant = 1.0f; + out->mAttenuationLinear = 2.0f / lamp->dist; + out->mAttenuationQuadratic = 1.0f / (lamp->dist * lamp->dist); + } + else + { + out->mAttenuationConstant = lamp->constant_coefficient; + out->mAttenuationLinear = lamp->linear_coefficient; + out->mAttenuationQuadratic = lamp->quadratic_coefficient; + } + return out.release(); } diff --git a/code/BlenderScene.cpp b/code/BlenderScene.cpp index 4fc353b15..39c2793d5 100644 --- a/code/BlenderScene.cpp +++ b/code/BlenderScene.cpp @@ -211,9 +211,12 @@ template <> void Structure :: Convert ( ReadField(dest.b,"b",db); ReadField(dest.k,"k",db); ReadField(dest.energy,"energy",db); - ReadField(dest.dist,"dist",db); + ReadField(dest.dist,"dist",db); ReadField(dest.spotsize,"spotsize",db); ReadField(dest.spotblend,"spotblend",db); + ReadField(dest.constant_coefficient, "coeff_const", db); + ReadField(dest.linear_coefficient, "coeff_lin", db); + ReadField(dest.quadratic_coefficient, "coeff_quad", db); ReadField(dest.att1,"att1",db); ReadField(dest.att2,"att2",db); ReadField(temp,"falloff_type",db); diff --git a/code/BlenderScene.h b/code/BlenderScene.h index 8e4223eb1..dd3f1444c 100644 --- a/code/BlenderScene.h +++ b/code/BlenderScene.h @@ -538,6 +538,10 @@ struct Lamp : ElemBase { float energy, dist, spotsize, spotblend; //float haint; + float constant_coefficient; + float linear_coefficient; + float quadratic_coefficient; + float att1, att2; //struct CurveMapping *curfalloff; FalloffType falloff_type; From cb0c47764ab1360b06f7db9e8610b741c59d0afd Mon Sep 17 00:00:00 2001 From: Jack Andersen Date: Sat, 11 May 2019 11:56:28 -1000 Subject: [PATCH 2/3] Set directory and name properties for installing static lib PDB --- code/CMakeLists.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt index 5a7838515..df12695d2 100644 --- a/code/CMakeLists.txt +++ b/code/CMakeLists.txt @@ -1138,6 +1138,16 @@ if (ASSIMP_ANDROID_JNIIOSYSTEM) ENDIF(ASSIMP_ANDROID_JNIIOSYSTEM) if(MSVC AND ASSIMP_INSTALL_PDB) + # When only the static library is built, these properties must + # be set to ensure the static lib .pdb is staged for installation. + IF(NOT BUILD_SHARED_LIBS) + SET_TARGET_PROPERTIES( assimp PROPERTIES + COMPILE_PDB_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + COMPILE_PDB_NAME assimp${LIBRARY_SUFFIX} + COMPILE_PDB_NAME_DEBUG assimp${LIBRARY_SUFFIX}${CMAKE_DEBUG_POSTFIX} + ) + ENDIF() + IF(CMAKE_GENERATOR MATCHES "^Visual Studio") install(FILES ${Assimp_BINARY_DIR}/code/Debug/assimp${LIBRARY_SUFFIX}${CMAKE_DEBUG_POSTFIX}.pdb DESTINATION ${ASSIMP_LIB_INSTALL_DIR} From 815730c92d432a9535afa526929435b6901649db Mon Sep 17 00:00:00 2001 From: Kim Kulling Date: Mon, 13 May 2019 21:49:50 +0200 Subject: [PATCH 3/3] Update CMakeLists.txt closes https://github.com/assimp/assimp/issues/2449: fix uwp handling --- code/CMakeLists.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt index 5a7838515..455549c6a 100644 --- a/code/CMakeLists.txt +++ b/code/CMakeLists.txt @@ -1077,7 +1077,9 @@ if( MSVC ) endif() if (${CMAKE_SYSTEM_NAME} MATCHES "WindowsStore") - set(WindowsStore TRUE) + target_compile_definitions(assimp PUBLIC WindowsStore) + TARGET_LINK_LIBRARIES(assimp advapi32) + #set(WindowsStore TRUE) endif() SET_TARGET_PROPERTIES( assimp PROPERTIES VERSION ${ASSIMP_VERSION}