Big Graphics update

Separated LightManager Added Sprite class Added View class Camera is no longer a SceneNode Fixed Material not invalidating programs Renamed CameraPosition uniform to EyePosition Renamed VisibilityTest to FrustumCull Former-commit-id: ff7fbe4d9b31a3c269baab0b48c6faa347a12161
2013-08-21 20:05:33 +02:00
parent 09e3027129
commit c8414a39d8
39 changed files with 1772 additions and 556 deletions
--- a/src/Nazara/Graphics/LightManager.cpp
+++ b/src/Nazara/Graphics/LightManager.cpp
@@ -0,0 +1,160 @@
+// Copyright (C) 2013 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Graphics/LightManager.hpp>
+#include <Nazara/Graphics/Light.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+NzLightManager::NzLightManager() :
+m_lightCount(0)
+{
+}
+
+NzLightManager::NzLightManager(const NzLight** lights, unsigned int lightCount)
+{
+	SetLights(lights, lightCount);
+}
+
+void NzLightManager::AddLights(const NzLight** lights, unsigned int lightCount)
+{
+	m_lights.push_back(std::make_pair(lights, lightCount));
+	m_lightCount += lightCount;
+}
+
+void NzLightManager::Clear()
+{
+	m_lights.clear();
+	m_lightCount = 0;
+}
+
+unsigned int NzLightManager::ComputeClosestLights(const NzVector3f& position, float squaredRadius, unsigned int maxResults)
+{
+	m_results.resize(maxResults);
+	for (Light& light : m_results)
+	{
+		light.light = nullptr;
+		light.score = std::numeric_limits<unsigned int>::max(); // Nous jouons au Golf
+	}
+
+	for (unsigned int i = 0; i < m_lights.size(); ++i)
+	{
+		const NzLight** lights = m_lights[i].first;
+		unsigned int lightCount = m_lights[i].second;
+
+		for (unsigned int j = 0; j < lightCount; ++j)
+		{
+			const NzLight* light = *lights++;
+
+			unsigned int score = std::numeric_limits<unsigned int>::max();
+			switch (light->GetLightType())
+			{
+				case nzLightType_Directional:
+					score = 0; // Lumière choisie d'office
+					break;
+
+				case nzLightType_Point:
+				{
+					float lightRadius = light->GetRadius();
+
+					float squaredDistance = position.SquaredDistance(light->GetPosition());
+					if (squaredDistance - squaredRadius <= lightRadius*lightRadius)
+						score = static_cast<unsigned int>(squaredDistance*1000.f);
+
+					break;
+				}
+
+				case nzLightType_Spot:
+				{
+					float lightRadius = light->GetRadius();
+
+					///TODO: Attribuer bonus/malus selon l'angle du spot ?
+					float squaredDistance = position.SquaredDistance(light->GetPosition());
+					if (squaredDistance - squaredRadius <= lightRadius*lightRadius)
+						score = static_cast<unsigned int>(squaredDistance*1000.f);
+
+					break;
+				}
+			}
+
+			if (score < m_results[0].score)
+			{
+				unsigned int k;
+				for (k = 1; k < maxResults; ++k)
+				{
+					if (score > m_results[k].score)
+						break;
+				}
+
+				k--; // Position de la nouvelle lumière
+
+				// Décalage
+				std::memcpy(&m_results[0], &m_results[1], k*sizeof(Light));
+
+				m_results[k].light = light;
+				m_results[k].score = score;
+			}
+		}
+	}
+
+	unsigned int i;
+	for (i = 0; i < maxResults; ++i)
+	{
+		if (m_results[i].light)
+			break;
+	}
+
+	return maxResults-i;
+}
+
+const NzLight* NzLightManager::GetLight(unsigned int index) const
+{
+	#if NAZARA_GRAPHICS_SAFE
+	if (index >= m_lightCount)
+	{
+		NazaraError("Light index out of range (" + NzString::Number(index) + " >= " + NzString::Number(m_lightCount) + ')');
+		return nullptr;
+	}
+	#endif
+
+	for (unsigned int i = 0; i < m_lights.size(); ++i)
+	{
+		unsigned int lightCount = m_lights[i].second;
+		if (index > lightCount)
+			index -= lightCount;
+		else
+		{
+			const NzLight** lights = m_lights[i].first;
+			return lights[i];
+		}
+	}
+
+	#if NAZARA_GRAPHICS_SAFE
+	NazaraInternalError("Light not found");
+	#else
+	NazaraError("Light not found");
+	#endif
+
+	return nullptr;
+}
+
+unsigned int NzLightManager::GetLightCount() const
+{
+	return m_lightCount;
+}
+
+const NzLight* NzLightManager::GetResult(unsigned int i) const
+{
+	return m_results[i].light;
+}
+
+bool NzLightManager::IsEmpty() const
+{
+	return m_lightCount == 0;
+}
+
+void NzLightManager::SetLights(const NzLight** lights, unsigned int lightCount)
+{
+	Clear();
+	AddLights(lights, lightCount);
+}