ShibaGit/khaotic-engine-Reborn
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 15 Wiki Activity

Minor update - frustum rework

Browse Source 
Complete overhaul of frustum culling
This commit is contained in:
CatChow0
2025-01-12 00:59:43 +01:00
parent ab0355ed97
commit 01a9c940f0
10 changed files with 201 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files

110
enginecustom/applicationclass.cpp
View File

@@ -17,7 +17,6 @@ ApplicationClass::ApplicationClass() : m_ShouldQuit(false)
m_RenderCountString = 0;
m_ModelList = 0;
m_Position = 0;
m_Frustum = 0;
m_DisplayPlane = 0;
m_BathModel = 0;
m_WaterModel = 0;
@@ -382,9 +381,6 @@ bool ApplicationClass::Initialize(int screenWidth, int screenHeight, HWND hwnd)
// Create the position class object.
m_Position = new PositionClass;
// Create the frustum class object.
m_Frustum = new FrustumClass;
// Create and initialize the fps object.
m_Fps = new FpsClass();
@@ -472,17 +468,6 @@ void ApplicationClass::Shutdown()
m_Physics = 0;
}
// Release the frustum class object.
if (m_Frustum)
{
Logger::Get().Log("Releasing the frustum class object", __FILE__, __LINE__, Logger::LogLevel::Shutdown);
delete m_Frustum;
m_Frustum = 0;
Logger::Get().Log("Frustum class object released", __FILE__, __LINE__, Logger::LogLevel::Shutdown);
}
// Release the display plane object.
if (m_DisplayPlane)
{
@@ -1087,6 +1072,15 @@ bool ApplicationClass::Render(float rotation, float x, float y, float z, float t
return false;
}
// Update the render count text.
result = UpdateRenderCountString(GetRenderCount());
if (!result)
{
Logger::Get().Log("Could not update the render count string", __FILE__, __LINE__, Logger::LogLevel::Error);
return false;
}
// Translate to where the bath model will be rendered.
worldMatrix = XMMatrixTranslation(0.0f, -10.0f, 0.0f);
@@ -1164,57 +1158,6 @@ bool ApplicationClass::Render(float rotation, float x, float y, float z, float t
return false;
}
// Construct the frustum.
m_Frustum->ConstructFrustum(viewMatrix, projectionMatrix, SCREEN_DEPTH);
// Get the number of models that will be rendered.
modelCount = m_ModelList->GetModelCount();
// Initialize the count of models that have been rendered.
renderCount = 0;
// Go through all the models and render them only if they can be seen by the camera view.
for (i = 0; i < modelCount; i++)
{
// Get the position and color of the sphere model at this index.
m_ModelList->GetData(i, positionX, positionY, positionZ);
// Set the radius of the sphere to 1.0 since this is already known.
radius = 1.0f;
// Check if the sphere model is in the view frustum.
renderModel = m_Frustum->CheckSphere(positionX, positionY, positionZ, radius);
// If it can be seen then render it, if not skip this model and check the next sphere.
if (renderModel)
{
// Move the model to the location it should be rendered at.
worldMatrix = XMMatrixTranslation(positionX, positionY, positionZ);
// Render the model using the light shader.
m_Model->Render(m_Direct3D->GetDeviceContext());
result = m_ShaderManager->RenderlightShader(m_Direct3D->GetDeviceContext(), m_Model->GetIndexCount(), worldMatrix, viewMatrix, projectionMatrix, m_Model->GetTexture(0),
diffuseColor, lightPosition, ambientColor);
if (!result)
{
Logger::Get().Log("Could not render the model using the light shader", __FILE__, __LINE__, Logger::LogLevel::Error);
return false;
}
// Since this model was rendered then increase the count for this frame.
renderCount++;
}
}
// Update the render count text.
result = UpdateRenderCountString(renderCount);
if (!result)
{
Logger::Get().Log("Could not update the render count string", __FILE__, __LINE__, Logger::LogLevel::Error);
return false;
}
// Disable the Z buffer and enable alpha blending for 2D rendering.
m_Direct3D->TurnZBufferOff();
m_Direct3D->EnableAlphaBlending();
@@ -1560,10 +1503,10 @@ void ApplicationClass::AddKobject(WCHAR* filepath)
// Liste des fichiers de texture
std::vector<std::wstring> kobjTexture = {
L"assets/Texture/Bricks2K.png"
L"assets/Texture/Bricks2K.png",
L"assets/Texture/EmptyTexture.png"
};
textures.clear();
for (const auto& textureFilename : kobjTexture)
{
@@ -1917,6 +1860,11 @@ bool ApplicationClass::RenderPass(const std::vector<std::reference_wrapper<std::
XMMATRIX worldMatrix, scaleMatrix, rotateMatrix, translateMatrix, srMatrix;
bool result;
int renderCount = 0;
ConstructFrustum();
for (const auto& RenderQueue : RenderQueues)
{
for (auto& object : RenderQueue.get())
@@ -1927,6 +1875,21 @@ bool ApplicationClass::RenderPass(const std::vector<std::reference_wrapper<std::
return false;
}
XMVECTOR objposition = object->GetPosition();
float x = XMVectorGetX(objposition);
float y = XMVectorGetY(objposition);
float z = XMVectorGetZ(objposition);
float radius = object->GetBoundingRadius();
// V<>rifie si l'objet est dans le frustum
if (!m_FrustumCulling.CheckCube(x, y, z, radius, GetFrustumTolerance()))
{
continue;
}
renderCount++;
scaleMatrix = object->GetScaleMatrix();
rotateMatrix = object->GetRotateMatrix();
translateMatrix = object->GetTranslateMatrix();
@@ -1981,5 +1944,16 @@ bool ApplicationClass::RenderPass(const std::vector<std::reference_wrapper<std::
}
}
SetRenderCount(renderCount);
return true;
}
void ApplicationClass::ConstructFrustum()
{
XMMATRIX projectionMatrix = m_Direct3D->GetProjectionMatrix();
XMMATRIX viewMatrix;
m_Camera->GetViewMatrix(viewMatrix);
m_FrustumCulling.ConstructFrustum(SCREEN_DEPTH, projectionMatrix, viewMatrix);
}