Runtime/Particle: Replace bitfield unions with constructor initializers

Runtime/Particle/CDecal.cpp

@@ -9,7 +9,7 @@ CRandom16 CDecal::sDecalRandom;
 bool CDecal::sMoveRedToAlphaBuffer = false;
 
 CDecal::CDecal(const TToken<CDecalDescription>& desc, const zeus::CTransform& xf)
-: x0_description(desc), xc_transform(xf) {
+: x0_description(desc), xc_transform(xf), x5c_29_modelInvalid(false) {
   CGlobalRandom gr(sDecalRandom);
 
   CDecalDescription& desco = *x0_description;

Runtime/Particle/CDecal.hpp

@@ -13,17 +13,12 @@
 namespace urde {
 struct SQuadDescr;
 struct CQuadDecal {
-  union {
-    struct {
   bool x0_24_invalid : 1;
-    };
-    u32 _dummy = 0;
-  };
   s32 x4_lifetime = 0;
   float x8_rotation = 0.f;
   const SQuadDescr* m_desc = nullptr;
-  CQuadDecal() = default;
+  CQuadDecal() : x0_24_invalid(true) {}
-  CQuadDecal(s32 i, float f) : x4_lifetime(i), x8_rotation(f) { x0_24_invalid = true; }
+  CQuadDecal(s32 i, float f) : x0_24_invalid(true), x4_lifetime(i), x8_rotation(f) {}
 
   boo::ObjToken<boo::IGraphicsBufferD> m_instBuf;
   boo::ObjToken<boo::IGraphicsBufferD> m_uniformBuf;
@@ -41,14 +36,9 @@ class CDecal {
   std::array<CQuadDecal, 2> x3c_decalQuads;
   s32 x54_modelLifetime = 0;
   s32 x58_frameIdx = 0;
-  union {
-    struct {
   bool x5c_31_quad1Invalid : 1;
   bool x5c_30_quad2Invalid : 1;
   bool x5c_29_modelInvalid : 1;
-    };
-    u32 x5c_dummy = 0;
-  };
   zeus::CVector3f x60_rotation;
   bool InitQuad(CQuadDecal& quad, const SQuadDescr& desc);
 

Runtime/Particle/CDecalDescription.hpp

@@ -23,6 +23,8 @@ struct SQuadDescr {
 
 class CDecalDescription {
 public:
+  CDecalDescription() : x5c_24_DMAB(false), x5c_25_DMOO(false) {}
+
   SQuadDescr x0_Quads[2];
   SParticleModel x38_DMDL;
   std::unique_ptr<CIntElement> x48_DLFT;
@@ -30,13 +32,8 @@ public:
   std::unique_ptr<CVectorElement> x50_DMRT;
   std::unique_ptr<CVectorElement> x54_DMSC;
   std::unique_ptr<CColorElement> x58_DMCL;
-  union {
-    struct {
   bool x5c_24_DMAB : 1;
   bool x5c_25_DMOO : 1;
 };
-    u32 dummy = 0;
-  };
-};
 
 } // namespace urde

Runtime/Particle/CElementGen.cpp

@@ -54,12 +54,25 @@ void CElementGen::Initialize() {
 void CElementGen::Shutdown() { CElementGenShaders::Shutdown(); }
 
 CElementGen::CElementGen(TToken<CGenDescription> gen, EModelOrientationType orientType, EOptionalSystemFlags flags)
-: x1c_genDesc(std::move(gen)), x2c_orientType(orientType), x27c_randState(x94_randomSeed) {
+: x1c_genDesc(std::move(gen))
+, x2c_orientType(orientType)
+, x26c_24_translationDirty(false)
+, x26c_25_LIT_(false)
+, x26c_26_AAPH(false)
+, x26c_27_ZBUF(false)
+, x26c_28_zTest(false)
+, x26c_29_ORNT(false)
+, x26c_30_MBLR(false)
+, x26c_31_LINE(false)
+, x26d_24_FXLL(false)
+, x26d_25_warmedUp(false)
+, x26d_26_modelsUseLights(false)
+, x26d_27_enableOPTS(True(flags & EOptionalSystemFlags::Two))
+, x26d_28_enableADV(false)
+, x27c_randState(x94_randomSeed) {
   CGenDescription* desc = x1c_genDesc.GetObj();
   x28_loadedGenDesc = desc;
 
-  x26d_27_enableOPTS = True(flags & EOptionalSystemFlags::Two);
-
   if (desc->x54_x40_TEXR)
     desc->x54_x40_TEXR->GetValueTexture(0).GetObj();
   if (desc->x58_x44_TIND)

Runtime/Particle/CElementGen.hpp

@@ -87,9 +87,6 @@ private:
   u32 x260_cumulativeParticles = 0;
   u32 x264_recursiveParticleCount = 0;
   int x268_PSLT;
-
-  union {
-    struct {
   bool x26c_24_translationDirty : 1;
   bool x26c_25_LIT_ : 1;
   bool x26c_26_AAPH : 1;
@@ -103,10 +100,6 @@ private:
   bool x26d_26_modelsUseLights : 1;
   bool x26d_27_enableOPTS : 1;
   bool x26d_28_enableADV : 1;
-    };
-    u32 _dummy = 0;
-  };
-
   int x270_MBSP = 0;
   int m_maxMBSP = 0;
   ERglLightBits x274_backupLightActive = ERglLightBits::None;

Runtime/Particle/CGenDescription.hpp

@@ -39,8 +39,6 @@ public:
   // std::unique_ptr<CVectorElement> x38_ILOC;
   // std::unique_ptr<CVectorElement> x3c_IVEC;
   std::unique_ptr<CEmitterElement> x40_x2c_EMTR;
-  union {
-    struct {
   bool x44_28_x30_28_SORT : 1;
   bool x44_30_x31_24_MBLR : 1;
   bool x44_24_x30_24_LINE : 1;
@@ -60,9 +58,6 @@ public:
   /* 0-00 additions */
   bool x30_30_ORNT : 1;
   bool x30_31_RSOP : 1;
-    };
-    u32 dummy1 = 0;
-  };
   std::unique_ptr<CIntElement> x48_x34_MBSP;
   std::unique_ptr<CRealElement> x4c_x38_SIZE;
   std::unique_ptr<CRealElement> x50_x3c_ROTA;
@@ -112,7 +107,25 @@ public:
   /* Custom additions */
   std::unique_ptr<CColorElement> m_bevelGradient; /* FourCC BGCL */
 
-  CGenDescription() { x45_25_x31_27_PMOO = true; }
+  CGenDescription()
+  : x44_28_x30_28_SORT(false)
+  , x44_30_x31_24_MBLR(false)
+  , x44_24_x30_24_LINE(false)
+  , x44_29_x30_29_LIT_(false)
+  , x44_26_x30_26_AAPH(false)
+  , x44_27_x30_27_ZBUF(false)
+  , x44_25_x30_25_FXLL(false)
+  , x44_31_x31_25_PMAB(false)
+  , x45_29_x31_31_VMD4(false)
+  , x45_28_x31_30_VMD3(false)
+  , x45_27_x31_29_VMD2(false)
+  , x45_26_x31_28_VMD1(false)
+  , x45_31_x32_25_OPTS(false)
+  , x45_24_x31_26_PMUS(false)
+  , x45_25_x31_27_PMOO(true)
+  , x45_30_x32_24_CIND(false)
+  , x30_30_ORNT(false)
+  , x30_31_RSOP(false) {}
 };
 
 } // namespace urde

Runtime/Particle/CParticleElectric.cpp

@@ -19,11 +19,16 @@ namespace urde {
 u16 CParticleElectric::g_GlobalSeed = 99;
 
 CParticleElectric::CParticleElectric(const TToken<CElectricDescription>& token)
-: x1c_elecDesc(token), x14c_randState(g_GlobalSeed++) {
+: x1c_elecDesc(token)
+, x14c_randState(g_GlobalSeed++)
+, x450_24_emitting(true)
+, x450_25_haveGPSM(false)
+, x450_26_haveEPSM(false)
+, x450_27_haveSSWH(false)
+, x450_28_haveLWD(false)
+, x450_29_transformDirty(true) {
   x1bc_allocated.resize(32);
 
-  x450_24_emitting = true;
-  x450_29_transformDirty = true;
   CElectricDescription* desc = x1c_elecDesc.GetObj();
 
   if (CIntElement* sseg = desc->x10_SSEG.get())

Runtime/Particle/CParticleElectric.hpp

@@ -85,21 +85,15 @@ private:
   std::vector<zeus::CVector3f> x420_calculatedVerts;
   std::vector<float> x430_fractalMags;
   std::vector<zeus::CVector3f> x440_fractalOffsets;
-
-  size_t m_nextLineRenderer = 0;
-  std::vector<std::unique_ptr<CLineRenderer>> m_lineRenderers;
-
-  union {
-    struct {
   bool x450_24_emitting : 1;
   bool x450_25_haveGPSM : 1;
   bool x450_26_haveEPSM : 1;
   bool x450_27_haveSSWH : 1;
   bool x450_28_haveLWD : 1;
   bool x450_29_transformDirty : 1;
-    };
+
-    u32 dummy = 0;
+  size_t m_nextLineRenderer = 0;
-  };
+  std::vector<std::unique_ptr<CLineRenderer>> m_lineRenderers;
 
   void SetupLineGXMaterial();
   void DrawLineStrip(const std::vector<zeus::CVector3f>& verts, float width, const zeus::CColor& color);

Runtime/Particle/CParticleSwoosh.cpp

@@ -16,8 +16,16 @@ CParticleSwoosh::CParticleSwoosh(const TToken<CSwooshDescription>& desc, int len
 , x1c0_rand(x1c_desc->x45_26_CRND ? std::chrono::duration_cast<std::chrono::microseconds>(
                                         std::chrono::steady_clock::now().time_since_epoch())
                                         .count()
-                                  : 99) {
+                                  : 99)
-  x1d0_24_emitting = true;
+, x1d0_24_emitting(true)
+, x1d0_25_AALP(false)
+, x1d0_26_forceOneUpdate(false)
+, x1d0_27_renderGaps(false)
+, x1d0_28_LLRD(false)
+, x1d0_29_VLS1(false)
+, x1d0_30_VLS2(false)
+, x1d0_31_constantTex(false)
+, x1d1_24_constantUv(false) {
   ++g_ParticleSystemAliveCount;
 
   if (leng > 0)

Runtime/Particle/CParticleSwoosh.hpp

@@ -83,9 +83,6 @@ class CParticleSwoosh : public CParticleGen {
   float x1c4_ = 0.f;
   float x1c8_ = 0.f;
   float x1cc_TSPN;
-
-  union {
-    struct {
   bool x1d0_24_emitting : 1;
   bool x1d0_25_AALP : 1;
   bool x1d0_26_forceOneUpdate : 1;
@@ -95,9 +92,6 @@ class CParticleSwoosh : public CParticleGen {
   bool x1d0_30_VLS2 : 1;
   bool x1d0_31_constantTex : 1;
   bool x1d1_24_constantUv : 1;
-    };
-    u32 _dummy = 0;
-  };
 
   SUVElementSet x1d4_uvs = {};
   CTexture* x1e4_tex = nullptr;

Runtime/Particle/CSwooshDescription.hpp

@@ -31,8 +31,6 @@ public:
   std::unique_ptr<CIntElement> x38_SPLN;
   std::unique_ptr<CUVElement> x3c_TEXR;
   std::unique_ptr<CIntElement> x40_TSPN;
-  union {
-    struct {
   bool x44_24_LLRD : 1;
   bool x44_25_CROS : 1;
   bool x44_26_VLS1 : 1;
@@ -44,10 +42,18 @@ public:
   bool x45_24_ZBUF : 1;
   bool x45_25_ORNT : 1;
   bool x45_26_CRND : 1;
-    };
-    u32 dummy = 0;
-  };
 
-  CSwooshDescription() { x44_25_CROS = true; }
+  CSwooshDescription()
+  : x44_24_LLRD(false)
+  , x44_25_CROS(true)
+  , x44_26_VLS1(false)
+  , x44_27_VLS2(false)
+  , x44_28_SROT(false)
+  , x44_29_WIRE(false)
+  , x44_30_TEXW(false)
+  , x44_31_AALP(false)
+  , x45_24_ZBUF(false)
+  , x45_25_ORNT(false)
+  , x45_26_CRND(false) {}
 };
 } // namespace urde