initial commit

HydraEngine/source/buffer/HydraLightBufferManager.cpp

@@ -0,0 +1,47 @@
+#include "HydraLightBufferManager.h"
+
+void HydraLightBufferManager::Initialise()
+{
+    m_light_lookup.resize(MAX_LIGHTS);
+    m_lights.resize(MAX_LIGHTS);
+    for(uint32_t i = 0; i < MAX_LIGHTS; i ++)
+    {
+        m_available_lights.push(i);
+    }
+}
+
+void HydraLightBufferManager::Shutdown()
+{
+}
+
+HydraID HydraLightBufferManager::CreateLight(HydraLightBuffer light_buffer)
+{
+    std::lock_guard<std::mutex> lock(m_mutex);
+    if(m_available_lights.size() > 0)
+    {
+        HydraID light_id = m_available_lights.front();
+        m_available_lights.pop();
+        m_lights[m_light_count] = light_buffer;
+        m_light_lookup[light_id] = m_light_count;
+        m_light_count++;
+        return light_id;
+    }
+
+    return INVALID_HYDRA_ID;
+}
+
+HydraLightBuffer *const HydraLightBufferManager::GetLightBufferBase()
+{
+    return &m_lights[0];
+}
+
+HydraLightBuffer &HydraLightBufferManager::GetLightBuffer(HydraID light_id)
+{
+    HydraID light_idx = m_light_lookup[light_id];
+    return m_lights[light_idx];
+}
+
+uint32_t HydraLightBufferManager::GetLightCount()
+{
+    return m_light_count;
+}