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First shadow mapping commit

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Former-commit-id: 7465a7c3297626f8db8c1ff48a20c0e0d9feb765
This commit is contained in:
Lynix
2015-06-16 14:21:20 +02:00
parent c879bd1656
commit 974df4288f
6 changed files with 190 additions and 28 deletions
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4
SDK/include/NDK/Systems/RenderSystem.hpp
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@@ -8,6 +8,7 @@
#define NDK_SYSTEMS_RENDERSYSTEM_HPP
#include <Nazara/Graphics/ForwardRenderTechnique.hpp>
#include <Nazara/Renderer/RenderTexture.hpp>
#include <NDK/EntityList.hpp>
#include <NDK/System.hpp>
#include <unordered_map>
@@ -31,11 +32,14 @@ namespace Ndk
private:
void OnEntityRemoved(Entity* entity) override;
void OnEntityValidation(Entity* entity, bool justAdded) override;
void UpdateShadowMaps();
EntityList m_cameras;
EntityList m_drawables;
EntityList m_lights;
NzForwardRenderTechnique m_renderTechnique;
NzForwardRenderTechnique m_shadowTechnique;
NzRenderTexture m_shadowRT;
};
}

64
SDK/src/NDK/Systems/RenderSystem.cpp
View File

@@ -3,7 +3,9 @@
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#include <NDK/Systems/RenderSystem.hpp>
#include <Nazara/Graphics/Camera.hpp>
#include <Nazara/Graphics/ColorBackground.hpp>
#include <Nazara/Renderer/Renderer.hpp>
#include <NDK/Components/CameraComponent.hpp>
#include <NDK/Components/GraphicsComponent.hpp>
#include <NDK/Components/LightComponent.hpp>
@@ -17,6 +19,8 @@ namespace Ndk
void RenderSystem::Update(float elapsedTime)
{
UpdateShadowMaps();
for (const Ndk::EntityHandle& camera : m_cameras)
{
CameraComponent& camComponent = camera->GetComponent<CameraComponent>();
@@ -25,10 +29,10 @@ namespace Ndk
NzAbstractRenderQueue* renderQueue = m_renderTechnique.GetRenderQueue();
renderQueue->Clear();
for (const Ndk::EntityHandle& light : m_drawables)
for (const Ndk::EntityHandle& drawable : m_drawables)
{
GraphicsComponent& graphicsComponent = light->GetComponent<GraphicsComponent>();
NodeComponent& drawableNode = light->GetComponent<NodeComponent>();
GraphicsComponent& graphicsComponent = drawable->GetComponent<GraphicsComponent>();
NodeComponent& drawableNode = drawable->GetComponent<NodeComponent>();
graphicsComponent.AddToRenderQueue(renderQueue);
}
@@ -36,9 +40,9 @@ namespace Ndk
for (const Ndk::EntityHandle& light : m_lights)
{
LightComponent& lightComponent = light->GetComponent<LightComponent>();
NodeComponent& drawableNode = light->GetComponent<NodeComponent>();
NodeComponent& lightNode = light->GetComponent<NodeComponent>();
lightComponent.AddToRenderQueue(renderQueue, drawableNode.GetTransformMatrix());
lightComponent.AddToRenderQueue(renderQueue, lightNode.GetTransformMatrix());
}
NzColorBackground background;
@@ -83,5 +87,55 @@ namespace Ndk
m_lights.Remove(entity);
}
void RenderSystem::UpdateShadowMaps()
{
if (!m_shadowRT.IsValid())
m_shadowRT.Create();
for (const Ndk::EntityHandle& light : m_lights)
{
LightComponent& lightComponent = light->GetComponent<LightComponent>();
NodeComponent& lightNode = light->GetComponent<NodeComponent>();
if (!lightComponent.IsShadowCastingEnabled() || lightComponent.GetLightType() != nzLightType_Spot)
continue;
/// HACKY
NzCamera lightPOV;
lightPOV.SetPosition(lightNode.GetPosition());
lightPOV.SetFOV(lightComponent.GetOuterAngle());
lightPOV.SetRotation(lightNode.GetRotation());
lightPOV.SetZFar(1000.f);
lightPOV.SetTarget(&m_shadowRT);
NzVector2ui shadowMapSize(lightComponent.GetShadowMap()->GetSize());
m_shadowRT.AttachTexture(nzAttachmentPoint_Depth, 0, lightComponent.GetShadowMap());
NzRenderer::SetMatrix(nzMatrixType_Projection, lightPOV.GetProjectionMatrix());
NzRenderer::SetMatrix(nzMatrixType_View, lightPOV.GetViewMatrix());
NzRenderer::SetTarget(&m_shadowRT);
NzRenderer::SetViewport(NzRecti(0, 0, shadowMapSize.x, shadowMapSize.y));
NzAbstractRenderQueue* renderQueue = m_renderTechnique.GetRenderQueue();
renderQueue->Clear();
for (const Ndk::EntityHandle& drawable : m_drawables)
{
GraphicsComponent& graphicsComponent = drawable->GetComponent<GraphicsComponent>();
NodeComponent& drawableNode = drawable->GetComponent<NodeComponent>();
graphicsComponent.AddToRenderQueue(renderQueue);
}
NzSceneData sceneData;
sceneData.ambientColor = NzColor(0, 0, 0);
sceneData.background = nullptr;
sceneData.viewer = &lightPOV;
m_renderTechnique.Draw(sceneData);
}
}
SystemIndex RenderSystem::systemIndex;
}