Initial CFont implementation, proper CTexture/CGraphicsPalette structures

Runtime/Graphics/CCubeMaterial.cpp

@@ -54,7 +54,7 @@ void CCubeMaterial::SetCurrent(const CModelFlags& flags, const CCubeSurface& sur
     materialDataCur += 8;
     for (u32 i = 0; i < texCount; ++i) {
       u32 texIdx = SBig(*reinterpret_cast<const u32*>(materialDataCur));
-      sRenderingModel->GetTexture(texIdx)->Load(i, CTexture::EClampMode::One);
+      sRenderingModel->GetTexture(texIdx)->Load(i, CTexture::EClampMode::Repeat);
       materialDataCur += 4;
     }
   }

Runtime/Graphics/CCubeRenderer.cpp

@@ -232,8 +232,11 @@ void CCubeRenderer::PrimColor(float, float, float, float) {}
 void CCubeRenderer::PrimColor(const zeus::CColor&) {}
 void CCubeRenderer::EndPrimitive() {}
 void CCubeRenderer::SetAmbientColor(const zeus::CColor& color) {}
-void CCubeRenderer::DrawString(const char* string, int, int) {}
-u32 CCubeRenderer::GetFPS() { return 0; }
+void CCubeRenderer::DrawString(const char* string, int x, int y) {
+  x10_font.DrawString(string, x, y, zeus::skWhite);
+}
+
+u32 CCubeRenderer::GetFPS() { return CGraphics::GetFPS(); }
 void CCubeRenderer::CacheReflection(IRenderer::TReflectionCallback cb, void* ctx, bool clearAfter) {}
 void CCubeRenderer::DrawSpaceWarp(const zeus::CVector3f& pt, float strength) {}
 void CCubeRenderer::DrawThermalModel(const CModel& model, const zeus::CColor& multCol, const zeus::CColor& addCol,

Runtime/Graphics/CCubeRenderer.hpp

@@ -1,10 +1,11 @@
 #pragma once
 
-#include "Graphics/CCubeModel.hpp"
-#include "Graphics/CPVSVisSet.hpp"
-#include "Graphics/CTexture.hpp"
-#include "IRenderer.hpp"
-#include "CRandom16.hpp"
+#include "Runtime/Graphics/CCubeModel.hpp"
+#include "Runtime/Graphics/CPVSVisSet.hpp"
+#include "Runtime/Graphics/CTexture.hpp"
+#include "Runtime/Graphics/IRenderer.hpp"
+#include "Runtime/CRandom16.hpp"
+#include "Runtime/Graphics/CFont.hpp"
 
 #include <list>
 
@@ -51,7 +52,7 @@ class CCubeRenderer final : public IRenderer {
 private:
   IFactory& x8_factory;
   IObjectStore& xc_store;
-  // CFont x10_font{1.f};
+  CFont x10_font{1.f};
   // u32 x18_ = 0;
   std::list<CAreaListItem> x1c_areaListItems;
   // TODO x34...x40

Runtime/Graphics/CFont.cpp

@@ -0,0 +1,82 @@
+#include "Runtime/Graphics/CFont.hpp"
+
+#include "Runtime/Graphics/CGraphics.hpp"
+
+namespace metaforce {
+/* TODO: Custom I8 font */
+std::array<u8, 65536> CFont::sSystemFont = {
+    /* Omitted due to copyright issues */};
+
+u32 CFont::sNumInstances = 0;
+std::unique_ptr<CTexture> CFont::mpTexture;
+
+CFont::CFont(float scale) : x0_fontSize(16.f * scale), x4_scale(scale) {
+  if (sNumInstances == 0) {
+    mpTexture = std::make_unique<CTexture>(ETexelFormat::I8, 256, 256, 1);
+    u8* fontData = new u8[(mpTexture->GetBitsPerPixel() * mpTexture->GetWidth() * mpTexture->GetHeight()) / 8];
+    memcpy(fontData, sSystemFont.data(), sSystemFont.size());
+    // u8* textureData = mpTexture->GetBitMapData();
+    // LinearToTile8(textureData, fontData);
+    delete[] fontData;
+    // mpTexture->UnLock();
+  }
+  ++sNumInstances;
+}
+
+void CFont::TileCopy8(u8* dest, const u8* src) {
+  for (u32 i = 0; i < 4; ++i) {
+    dest[0] = src[0];
+    dest[1] = src[1];
+    dest[2] = src[2];
+    dest[3] = src[3];
+    dest[4] = src[4];
+    dest[5] = src[5];
+    dest[6] = src[6];
+    dest[7] = src[7];
+    src += 256;
+    dest += 8;
+  }
+}
+
+void CFont::LinearToTile8(u8* dest, const u8* src) {
+  int iVar1 = 0;
+  int iVar2 = 0;
+  for (size_t y = 0; y < 256; y += 4) {
+    iVar2 = iVar1;
+    for (size_t x = 0; x < 256; x += 8) {
+      TileCopy8(dest, src + iVar2);
+      dest += 32;
+      iVar2 += 8;
+    }
+    iVar1 += 1024;
+  }
+}
+
+void CFont::DrawString(const char* str, int x, int y, const zeus::CColor& col) {
+  bool bVar2 = CGraphics::BeginRender2D(*mpTexture.get());
+  char chr = *str;
+  while (chr != 0) {
+    u32 cellSize = static_cast<u32>(16.f * x4_scale);
+    ++str;
+    CGraphics::DoRender2D(*mpTexture, x, y, (chr & 0xf) * 16, 0xf0, 0x10, cellSize, cellSize, col);
+    chr = *str;
+  }
+  CGraphics::EndRender2D(bVar2);
+}
+
+u32 CFont::StringWidth(const char* str) const {
+  u32 width = 0;
+  char chr = *str;
+  while (chr != 0) {
+    ++str;
+    width += static_cast<u32>(15.f * x4_scale);
+    chr = *str;
+  }
+
+  return width;
+}
+
+u32 CFont::CharsWidth(const char* str, u32 len) const { return len * (15.f * x4_scale); }
+
+u32 CFont::CharWidth(const char chr) const { return 15.f * x4_scale; }
+} // namespace metaforce

Runtime/Graphics/CFont.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "Runtime/GCNTypes.hpp"
+#include "Runtime/Graphics/CTexture.hpp"
+
+#include <zeus/CColor.hpp>
+
+#include <memory>
+#include <array>
+
+namespace metaforce {
+class CFont {
+  static std::array<u8, 65536> sSystemFont;
+  static u32 sNumInstances;
+  static std::unique_ptr<CTexture> mpTexture;
+  float x0_fontSize;
+  float x4_scale;
+  void TileCopy8(u8* dest, const u8* src);
+  void LinearToTile8(u8* dest, const u8* src);
+public:
+  explicit CFont(float scale);
+
+  void DrawString(const char* str, int x, int y, const zeus::CColor& color);
+  u32 StringWidth(const char* str) const;
+  u32 CharsWidth(const char* str, u32 len) const;
+  u32 CharWidth(const char chr) const;
+};
+}

Runtime/Graphics/CGraphics.cpp

@@ -3,6 +3,7 @@
 #include "Runtime/CTimeProvider.hpp"
 #include "Runtime/Graphics/CLight.hpp"
 #include "Runtime/Graphics/CLineRenderer.hpp"
+#include "Runtime/Graphics/CTexture.hpp"
 #include "Runtime/Graphics/Shaders/CTextSupportShader.hpp"
 #include "Runtime/GuiSys/CGuiSys.hpp"
 
@@ -145,6 +146,12 @@ void CGraphics::EndScene() {
   UpdateFPSCounter();
 }
 
+bool CGraphics::BeginRender2D(const CTexture& tex) { return false; }
+
+void CGraphics::DoRender2D(const CTexture& tex, s32 x, s32 y, s32 w1, s32 w2, s32 w3, s32 w4, s32 w5,
+                           const zeus::CColor& col) {}
+void CGraphics::EndRender2D(bool v) {}
+
 void CGraphics::SetAlphaCompare(ERglAlphaFunc comp0, u8 ref0, ERglAlphaOp op, ERglAlphaFunc comp1, u8 ref1) {}
 
 void CGraphics::SetViewPointMatrix(const zeus::CTransform& xf) {

Runtime/Graphics/CGraphics.hpp

@@ -1,26 +1,28 @@
 #pragma once
 
 #include <array>
-#include <vector>
 #include <chrono>
+#include <vector>
+
 #include "optick.h"
 
 #include "Runtime/RetroTypes.hpp"
 
-#include "GX.hpp"
+#include "Runtime/Graphics/GX.hpp"
 
-#include "ConsoleVariables/CVar.hpp"
+#include "Runtime/ConsoleVariables/CVar.hpp"
 
 #include <zeus/CColor.hpp>
 #include <zeus/CTransform.hpp>
-#include <zeus/CVector2i.hpp>
 #include <zeus/CVector2f.hpp>
+#include <zeus/CVector2i.hpp>
 
 #include <aurora/gfx.hpp>
 
 using frame_clock = std::chrono::high_resolution_clock;
 
 namespace metaforce {
+class CTexture;
 extern CVar* g_disableLighting;
 class CLight;
 class CTimeProvider;
@@ -212,6 +214,10 @@ public:
   static void SetCullMode(ERglCullMode);
   static void BeginScene();
   static void EndScene();
+  static bool BeginRender2D(const CTexture& tex);
+  static void DoRender2D(const CTexture& tex, s32 x, s32 y, s32 w1, s32 w2, s32 w3, s32 w4, s32 w5,
+                         const zeus::CColor& col);
+  static void EndRender2D(bool v);
   static void SetAlphaCompare(ERglAlphaFunc comp0, u8 ref0, ERglAlphaOp op, ERglAlphaFunc comp1, u8 ref1);
   static void SetViewPointMatrix(const zeus::CTransform& xf);
   static void SetViewMatrix();

Runtime/Graphics/CGraphicsPalette.cpp

@@ -0,0 +1,22 @@
+#include "Runtime/Graphics/CGraphicsPalette.hpp"
+#include "Runtime/Streams/CInputStream.hpp"
+
+namespace metaforce {
+u32 CGraphicsPalette::sCurrentFrameCount = 0;
+
+CGraphicsPalette::CGraphicsPalette(EPaletteFormat fmt, int count)
+: x0_fmt(fmt), x8_entryCount(count), xc_entries(new u8[count * 2]) {
+  //GXInitTlutObj(&x10_tlutObj, xc_entries.get(), x8_entryCount);
+}
+
+CGraphicsPalette::CGraphicsPalette(CInputStream& in) : x0_fmt(EPaletteFormat(in.ReadLong())) {
+  u16 w = in.ReadShort();
+  u16 h = in.ReadShort();
+  x8_entryCount = w * h;
+  xc_entries.reset(new u8[x8_entryCount * 2]);
+  in.Get(xc_entries.get(), x8_entryCount * 2);
+  //GXInitTlutObj(&x10_tlutObj, xc_entries.get(), x8_entryCount);
+  //DCFlushRange(xc_entries.get(), x8_entryCount * 2);
+}
+
+} // namespace metaforce

Runtime/Graphics/CGraphicsPalette.hpp

@@ -4,6 +4,7 @@
 #include "Runtime/RetroTypes.hpp"
 
 namespace metaforce {
+class CInputStream;
 
 enum class EPaletteFormat {
   IA8 = 0x0,
@@ -12,24 +13,19 @@ enum class EPaletteFormat {
 };
 
 class CGraphicsPalette {
+  static u32 sCurrentFrameCount;
   friend class CTextRenderBuffer;
   EPaletteFormat x0_fmt;
-  u32 x4_;
-  int x8_entryCount;
-  std::unique_ptr<u16[]> xc_entries;
-  /* x10_ GXTlutObj here */
-  bool x1c_ = false;
+  u32 x4_frameLoaded{};
+  u32 x8_entryCount;
+  std::unique_ptr<u8[]> xc_entries;
+  /* GXTlutObj x10_; */
+  bool x1c_locked = false;
 
 public:
-  explicit CGraphicsPalette(EPaletteFormat fmt, int count)
-  : x0_fmt(fmt), x8_entryCount(count), xc_entries(new u16[count]) {}
-  explicit CGraphicsPalette(CInputStream& in) : x0_fmt(EPaletteFormat(in.ReadLong())) {
-    u16 w = in.ReadShort();
-    u16 h = in.ReadShort();
-    x8_entryCount = w * h;
+  explicit CGraphicsPalette(EPaletteFormat fmt, int count);
 
-    /* GX Tlut init here */
-  }
+  explicit CGraphicsPalette(CInputStream& in);
 };
 
 } // namespace metaforce

Runtime/Graphics/CMakeLists.txt

@@ -15,13 +15,14 @@ set(GRAPHICS_SOURCES
         CSkinnedModel.hpp CSkinnedModel.cpp
         CVertexMorphEffect.hpp CVertexMorphEffect.cpp
         CMoviePlayer.hpp CMoviePlayer.cpp
-        CGraphicsPalette.hpp
+        CGraphicsPalette.hpp CGraphicsPalette.cpp
         CPVSVisSet.hpp CPVSVisSet.cpp
         CPVSVisOctree.hpp CPVSVisOctree.cpp
         CPVSAreaSet.hpp CPVSAreaSet.cpp
         CGraphics.hpp CGraphics.cpp
         CSimpleShadow.hpp CSimpleShadow.cpp
         CRainSplashGenerator.hpp CRainSplashGenerator.cpp
+        CFont.hpp CFont.cpp
         Shaders/CLineRendererShaders.hpp Shaders/CLineRendererShaders.cpp
         Shaders/CTexturedQuadFilter.hpp Shaders/CTexturedQuadFilter.cpp
         Shaders/CColoredQuadFilter.hpp Shaders/CColoredQuadFilter.cpp

Runtime/Graphics/CTexture.hpp

@@ -5,16 +5,33 @@
 
 #include "Runtime/CFactoryMgr.hpp"
 #include "Runtime/GCNTypes.hpp"
+#include "Runtime/Graphics/CGraphics.hpp"
 #include "Runtime/IObj.hpp"
 #include "Runtime/Streams/IOStreams.hpp"
-#include "Runtime/Graphics/CGraphics.hpp"
+#include "Runtime/Graphics/CGraphicsPalette.hpp"
 
 namespace metaforce {
 class CVParamTransfer;
 class CTextureInfo;
 
 class CTexture {
+  class CDumpedBitmapDataReloader {
+    int x0_;
+    u32 x4_;
+    int x8_;
+    u32 xc_;
+    bool x10_;
+    int x14_;
+    void* x18_;
+  };
+
 public:
+  enum class EClampMode {
+    Clamp,
+    Repeat,
+    Mirror,
+  };
+
   enum class EFontType {
     None = -1,
     OneLayer = 0,        /* Fill bit0 */
@@ -29,8 +46,16 @@ private:
   ETexelFormat x0_fmt;
   u16 x4_w;
   u16 x6_h;
-  u32 x8_mips;
-//  boo::ObjToken<boo::ITexture> m_booTex;
+  u8 x8_mips;
+  u8 x9_bitsPerPixel;
+  u32 xc_memoryAllocated;
+  std::unique_ptr<CGraphicsPalette> x10_graphicsPalette;
+  std::unique_ptr<CDumpedBitmapDataReloader> x14_bitmapReloader;
+  u32 x18_gxFormat;
+  u32 x1c_gxCIFormat;
+  /* GXTexObj x20_texObj */
+  EClampMode x40_clampMode;
+
   aurora::gfx::TextureHandle m_tex;
   aurora::gfx::TextureHandle m_paletteTex;
   std::unique_ptr<u8[]> m_otex;
@@ -56,10 +81,11 @@ private:
   void BuildDXT1(const void* data, size_t length, aurora::zstring_view label);
   void BuildDXT3(const void* data, size_t length, aurora::zstring_view label);
 
+  void InitBitmapBuffers(ETexelFormat fmt, s16 width, s16 height, s32 mips);
+
 public:
   CTexture(ETexelFormat, s16, s16, s32);
   CTexture(std::unique_ptr<u8[]>&& in, u32 length, bool otex, const CTextureInfo* inf, CAssetId id);
-  enum class EClampMode { None, One };
   ETexelFormat GetTexelFormat() const { return x0_fmt; }
   ETexelFormat GetMemoryCardTexelFormat() const {
     return x0_fmt == ETexelFormat::C8PC ? ETexelFormat::C8 : ETexelFormat::RGB5A3;
@@ -67,6 +93,7 @@ public:
   u16 GetWidth() const { return x4_w; }
   u16 GetHeight() const { return x6_h; }
   u32 GetNumMips() const { return x8_mips; }
+  u8 GetBitsPerPixel() const { return x9_bitsPerPixel; }
   void Load(int slot, EClampMode clamp) const;
   const aurora::gfx::TextureHandle& GetTexture() const { return m_tex; }
   //  const boo::ObjToken<boo::ITexture>& GetBooTexture() const { return m_booTex; }
@@ -75,6 +102,8 @@ public:
   const aurora::gfx::TextureHandle& GetFontTexture(EFontType tp);
 
   const CTextureInfo* GetTextureInfo() const { return m_textureInfo; }
+
+  static u32 TexelFormatBitsPerPixel(ETexelFormat fmt);
 };
 
 CFactoryFnReturn FTextureFactory(const metaforce::SObjectTag& tag, std::unique_ptr<u8[]>&& in, u32 len,

Runtime/Graphics/CTextureBoo.cpp

@@ -707,12 +707,36 @@ static std::string_view TextureFormatString(ETexelFormat format) {
   }
 }
 
-CTexture::CTexture(ETexelFormat fmt, s16 w, s16 h, s32 mips) : x0_fmt(fmt), x4_w(w), x6_h(h), x8_mips(mips) {
-  /*
-  x64_ = sMangleMipmaps;
+u32 CTexture::TexelFormatBitsPerPixel(ETexelFormat fmt) {
+  switch(fmt) {
+  case ETexelFormat::I4:
+  case ETexelFormat::C4:
+  case ETexelFormat::CMPR:
+    return 4;
+  case ETexelFormat::I8:
+  case ETexelFormat::IA4:
+  case ETexelFormat::C8:
+    return 8;
+  case ETexelFormat::IA8:
+  case ETexelFormat::C14X2:
+  case ETexelFormat::RGB565:
+  case ETexelFormat::RGB5A3:
+    return 16;
+  case ETexelFormat::RGBA8:
+    return 32;
+  default:
+    return 0;
+  }
+}
+
+
+CTexture::CTexture(ETexelFormat fmt, s16 w, s16 h, s32 mips)
+: x0_fmt(fmt), x4_w(w), x6_h(h), x8_mips(mips), x9_bitsPerPixel(TexelFormatBitsPerPixel(fmt)) {
+#if 0
+  x64_ = sCurrentFrameCount;
   InitBitmapBuffers(fmt, w, h, mips);
   InitTextureObjs();
-  */
+#endif
 }
 
 CTexture::CTexture(std::unique_ptr<u8[]>&& in, u32 length, bool otex, const CTextureInfo* inf, CAssetId id)
@@ -723,6 +747,7 @@ CTexture::CTexture(std::unique_ptr<u8[]>&& in, u32 length, bool otex, const CTex
   x4_w = r.ReadShort();
   x6_h = r.ReadShort();
   x8_mips = r.ReadLong();
+  x9_bitsPerPixel = TexelFormatBitsPerPixel(x0_fmt);
 
   auto label = fmt::format(FMT_STRING("TXTR {:08X} ({})"), id.Value(), TextureFormatString(x0_fmt));
   switch (x0_fmt) {
@@ -826,7 +851,8 @@ std::unique_ptr<u8[]> CTexture::BuildMemoryCardTex(u32& sizeOut, ETexelFormat& f
           const RGBA8* source = sourceMip + (x6_h - (baseY + y) - 1) * w + baseX;
           for (int x = 0; x < 4; ++x) {
             if (source[x].a == 0xff) {
-              *texel++ = CBasics::SwapBytes(u16((source[x].r >> 3 << 10) | (source[x].g >> 3 << 5) | (source[x].b >> 3)));
+              *texel++ =
+                  CBasics::SwapBytes(u16((source[x].r >> 3 << 10) | (source[x].g >> 3 << 5) | (source[x].b >> 3)));
             } else {
               *texel++ = CBasics::SwapBytes(u16((source[x].r >> 4 << 8) | (source[x].g >> 4 << 4) | (source[x].b >> 4) |
                                                 (source[x].a >> 5 << 12)));

Runtime/Particle/CElementGen.cpp

@@ -918,7 +918,7 @@ void CElementGen::RenderModels(const CActorLights* actorLights) {
       CParticle& target = x30_particles[0];
       int partFrame = x74_curFrame - target.x28_startFrame;
       cachedTex = texr->GetValueTexture(partFrame).GetObj();
-      cachedTex->Load(0, CTexture::EClampMode::One);
+      cachedTex->Load(0, CTexture::EClampMode::Repeat);
       /* Shade as TEXC * RASC and TEXA * RASA */
       if (moveRedToAlphaBuffer) {
         /* Color = Prev.rgb * Prev.a */
@@ -1043,7 +1043,7 @@ void CElementGen::RenderModels(const CActorLights* actorLights) {
       if (!texConst) {
         CTexture* tex = texr->GetValueTexture(x74_curFrame - particle.x28_startFrame).GetObj();
         if (tex != cachedTex) {
-          tex->Load(0, CTexture::EClampMode::One);
+          tex->Load(0, CTexture::EClampMode::Repeat);
           cachedTex = tex;
         }
       }
@@ -1157,7 +1157,7 @@ void CElementGen::RenderLines() {
     CParticle& target = x30_particles[0];
     int partFrame = x74_curFrame - target.x28_startFrame;
     cachedTex = texr->GetValueTexture(partFrame).GetObj();
-    cachedTex->Load(0, CTexture::EClampMode::One);
+    cachedTex->Load(0, CTexture::EClampMode::Repeat);
 
     /* Set TEXC * RASC */
 
@@ -1187,7 +1187,7 @@ void CElementGen::RenderLines() {
     if (!constTexr) {
       CTexture* tex = texr->GetValueTexture(partFrame).GetObj();
       if (tex != cachedTex) {
-        tex->Load(0, CTexture::EClampMode::One);
+        tex->Load(0, CTexture::EClampMode::Repeat);
         cachedTex = tex;
       }
     }
@@ -1264,7 +1264,7 @@ void CElementGen::RenderParticles() {
     CParticle& target = x30_particles[0];
     int partFrame = x74_curFrame - target.x28_startFrame;
     cachedTex = texr->GetValueTexture(partFrame).GetObj();
-    cachedTex->Load(0, CTexture::EClampMode::One);
+    cachedTex->Load(0, CTexture::EClampMode::Repeat);
 
     if (x338_moduColor != zeus::skBlack) {
       /* Add RASC * PREVC pass for MODU color loaded into channel mat-color */
@@ -1678,7 +1678,7 @@ void CElementGen::RenderParticlesIndirectTexture() {
   CParticle& firstParticle = x30_particles[0];
   int partFrame = x74_curFrame - firstParticle.x28_startFrame;
   CTexture* cachedTex = texr->GetValueTexture(partFrame).GetObj();
-  cachedTex->Load(0, CTexture::EClampMode::One);
+  cachedTex->Load(0, CTexture::EClampMode::Repeat);
 
   SUVElementSet uvs = {0.f, 0.f, 1.f, 1.f};
   bool constTexr = texr->HasConstantTexture();
@@ -1687,7 +1687,7 @@ void CElementGen::RenderParticlesIndirectTexture() {
 
   CUVElement* tind = desc->x58_x44_TIND.get();
   CTexture* cachedIndTex = tind->GetValueTexture(partFrame).GetObj();
-  cachedIndTex->Load(2, CTexture::EClampMode::One);
+  cachedIndTex->Load(2, CTexture::EClampMode::Repeat);
 
   SUVElementSet uvsInd = {0.f, 0.f, 1.f, 1.f};
   bool constIndTexr = tind->HasConstantTexture();
@@ -1734,7 +1734,7 @@ void CElementGen::RenderParticlesIndirectTexture() {
     if (!constTexr) {
       CTexture* tex = texr->GetValueTexture(thisPartFrame).GetObj();
       if (tex != cachedTex) {
-        tex->Load(0, CTexture::EClampMode::One);
+        tex->Load(0, CTexture::EClampMode::Repeat);
         cachedTex = tex;
       }
     }
@@ -1742,7 +1742,7 @@ void CElementGen::RenderParticlesIndirectTexture() {
     if (!constIndTexr) {
       CTexture* tex = tind->GetValueTexture(thisPartFrame).GetObj();
       if (tex != cachedIndTex) {
-        tex->Load(2, CTexture::EClampMode::One);
+        tex->Load(2, CTexture::EClampMode::Repeat);
         cachedIndTex = tex;
       }
     }

Runtime/World/CPathFindArea.cpp

@@ -48,8 +48,9 @@ u32 CPFAreaOctree::GetChildIndex(const zeus::CVector3f& point) const {
 }
 
 rstl::prereserved_vector<CPFRegion*>* CPFAreaOctree::GetRegionList(const zeus::CVector3f& point) {
-  if (x0_isLeaf)
+  if (x0_isLeaf != 0u) {
     return &x48_regions;
+  }
   return x28_children[GetChildIndex(point)]->GetRegionList(point);
 }