Add light visualization (requires custom models)

Runtime/CStateManager.cpp

@@ -543,8 +543,15 @@ void CStateManager::DrawDebugStuff() const {
       if (CPathFindSearch* path = ai->GetSearchPath()) {
         path->DebugDraw();
       }
+    } else if (const TCastToPtr<CGameLight> light = ent) {
+      light->DebugDraw();
     }
   }
+
+  auto* gameArea = x850_world->GetArea(x850_world->GetCurrentAreaId());
+  if (gameArea != nullptr) {
+    gameArea->DebugDraw();
+  }
   if (xf70_currentMaze) {
     xf70_currentMaze->DebugRender();
   }

Runtime/World/CGameArea.cpp

@@ -306,9 +306,9 @@ CDummyGameArea::CDummyGameArea(CInputStream& in, int idx, int mlvlVersion) {
   aabb.readBoundingBoxBig(in);
   xc_mrea = in.readUint32Big();
   if (mlvlVersion > 15) {
-      x10_areaId = in.readUint32Big();
+    x10_areaId = in.readUint32Big();
   } else {
-      x10_areaId = -1;
+    x10_areaId = -1;
   }
 
   u32 attachAreaCount = in.readUint32Big();
@@ -1199,10 +1199,69 @@ void CGameArea::SetAreaAttributes(const CScriptAreaAttributes* areaAttributes) {
   x12c_postConstructed->x1128_worldLightingLevel = areaAttributes->GetWorldLightingLevel();
 }
 
-bool CGameArea::CAreaObjectList::IsQualified(const CEntity& ent) const { return (ent.GetAreaIdAlways() == x200c_areaIdx); }
+bool CGameArea::CAreaObjectList::IsQualified(const CEntity& ent) const {
+  return (ent.GetAreaIdAlways() == x200c_areaIdx);
+}
 void CGameArea::WarmupShaders(const SObjectTag& mreaTag) {
   // Calling this version of the constructor performs warmup implicitly
   [[maybe_unused]] CGameArea area(mreaTag.id);
 }
 
+void CGameArea::DebugDraw() {
+  if (!m_debugSphereRes) {
+    const auto* tok = g_ResFactory->GetResourceIdByName("CMDL_DebugSphere");
+    if (tok != nullptr && tok->type == FOURCC('CMDL')) {
+      m_debugSphereRes = CStaticRes(tok->id, zeus::skOne3f);
+    }
+  }
+
+  if (m_debugSphereRes && !m_debugSphereModel) {
+    m_debugSphereModel = std::make_unique<CModelData>(*m_debugSphereRes);
+  }
+
+  if (!m_debugConeRes) {
+    const auto* tok = g_ResFactory->GetResourceIdByName("CMDL_DebugLightCone");
+    if (tok != nullptr && tok->type == FOURCC('CMDL')) {
+      m_debugConeRes = CStaticRes(tok->id, zeus::skOne3f);
+    }
+  }
+
+  if (m_debugConeRes && !m_debugConeModel) {
+    m_debugConeModel = std::make_unique<CModelData>(*m_debugConeRes);
+  }
+
+  if (IsPostConstructed()) {
+    for (const auto& light : x12c_postConstructed->x70_gfxLightsA) {
+      DebugDrawLight(light);
+    }
+    for (const auto& light : x12c_postConstructed->x90_gfxLightsB) {
+      DebugDrawLight(light);
+    }
+  }
+}
+
+void CGameArea::DebugDrawLight(const CLight& light) {
+  if (light.GetType() == ELightType::LocalAmbient) {
+    return;
+  }
+  g_Renderer->SetGXRegister1Color(light.GetColor());
+  CModelFlags modelFlags;
+  modelFlags.x0_blendMode = 5;
+  modelFlags.x4_color = zeus::skWhite;
+  modelFlags.x4_color.a() = 0.5f;
+  if ((light.GetType() == ELightType::Spot || light.GetType() == ELightType::Directional) && m_debugConeModel) {
+    m_debugConeModel->Render(CModelData::EWhichModel::Normal,
+                             zeus::lookAt(light.GetPosition(), light.GetPosition() + light.GetDirection()) *
+                                 zeus::CTransform::Scale(zeus::clamp(-90.f, light.GetRadius(), 90.f)),
+                             nullptr, modelFlags);
+  } else if (m_debugSphereModel) {
+    m_debugSphereModel->Render(CModelData::EWhichModel::Normal, zeus::CTransform::Translate(light.GetPosition()),
+                               nullptr, modelFlags);
+    m_debugSphereModel->Render(CModelData::EWhichModel::Normal,
+                               zeus::CTransform::Translate(light.GetPosition()) *
+                                   zeus::CTransform::Scale(light.GetRadius()),
+                               nullptr, modelFlags);
+  }
+}
+
 } // namespace urde

Runtime/World/CGameArea.hpp

@@ -15,7 +15,7 @@
 #include "Runtime/World/CPathFindArea.hpp"
 #include "Runtime/World/CWorldLight.hpp"
 #include "Runtime/World/IGameArea.hpp"
-
+#include "Runtime/Character/CModelData.hpp"
 #include <hecl/ClientProcess.hpp>
 
 #include <zeus/CAABox.hpp>
@@ -268,6 +268,10 @@ private:
   void UpdateThermalVisor(float dt);
   void UpdateWeaponWorldLighting(float dt);
 
+  std::optional<CStaticRes> m_debugSphereRes;
+  std::unique_ptr<CModelData> m_debugSphereModel;
+  std::optional<CStaticRes> m_debugConeRes;
+  std::unique_ptr<CModelData> m_debugConeModel;
 public:
   explicit CGameArea(CInputStream& in, int idx, int mlvlVersion);
   explicit CGameArea(CAssetId mreaId); // Warmup constructor
@@ -362,6 +366,8 @@ public:
   CGameArea* GetNext() const { return x130_next; }
 
   static void WarmupShaders(const SObjectTag& mreaTag);
+  void DebugDraw();
+  void DebugDrawLight(const CLight& light);
 };
 
 } // namespace urde

Runtime/World/CGameLight.cpp

@@ -2,6 +2,9 @@
 
 #include "Runtime/CStateManager.hpp"
 #include "Runtime/World/CActorParameters.hpp"
+#include "Runtime/GameGlobalObjects.hpp"
+#include "Runtime/CSimplePool.hpp"
+#include "Graphics/CBooRenderer.hpp"
 
 #include "TCastTo.hpp" // Generated file, do not modify include path
 
@@ -53,4 +56,30 @@ CLight CGameLight::GetLight() const {
 
   return ret;
 }
+
+void CGameLight::DebugDraw() {
+  if (!m_debugRes) {
+    const auto* tok = (xec_light.GetType() == ELightType::Spot || xec_light.GetType() == ELightType::Directional)
+                          ? g_ResFactory->GetResourceIdByName("CMDL_DebugLightCone")
+                          : g_ResFactory->GetResourceIdByName("CMDL_DebugSphere");
+    if (tok != nullptr && tok->type == FOURCC('CMDL')) {
+      m_debugRes = CStaticRes(tok->id, zeus::skOne3f);
+    }
+  }
+
+  if (m_debugRes && !m_debugModel) {
+    m_debugModel = std::make_unique<CModelData>(*m_debugRes);
+  }
+
+  if (m_debugModel) {
+    g_Renderer->SetGXRegister1Color(xec_light.GetColor());
+    CModelFlags modelFlags;
+    modelFlags.x0_blendMode = 5;
+    modelFlags.x4_color = zeus::skWhite;
+    modelFlags.x4_color.a() = 0.5f;
+    m_debugModel->Render(CModelData::EWhichModel::Normal, zeus::CTransform::Translate(xec_light.GetPosition()), nullptr,
+                         modelFlags);
+    m_debugModel->Render(CModelData::EWhichModel::Normal, x34_transform, nullptr, modelFlags);
+  }
+}
 } // namespace urde

Runtime/World/CGameLight.hpp

@@ -14,6 +14,9 @@ class CGameLight : public CActor {
   u32 x140_priority;
   float x144_lifeTime;
 
+
+  std::optional<CStaticRes> m_debugRes;
+  std::unique_ptr<CModelData> m_debugModel;
 public:
   CGameLight(TUniqueId uid, TAreaId aid, bool active, std::string_view name, const zeus::CTransform& xf,
              TUniqueId parentId, const CLight& light, u32 sourceId, u32 priority, float lifeTime);
@@ -24,5 +27,7 @@ public:
   void SetLight(const CLight& light);
   CLight GetLight() const;
   TUniqueId GetParentId() const { return xe8_parentId; }
+
+  void DebugDraw();
 };
 } // namespace urde