Work on HUD interfaces

Runtime/Graphics/Shaders/CRadarPaintShader.cpp

@@ -0,0 +1,40 @@
+#include "CRadarPaintShader.hpp"
+
+namespace urde
+{
+
+void CRadarPaintShader::draw(const std::vector<Instance>& instances, const CTexture* tex)
+{
+    if (!instances.size())
+        return;
+
+    if (instances.size() > m_maxInsts)
+    {
+        m_maxInsts = instances.size();
+        m_tex = tex;
+        m_token = CGraphics::CommitResources([this](boo::IGraphicsDataFactory::Context& ctx)
+        {
+            m_vbo = ctx.newDynamicBuffer(boo::BufferUse::Vertex, sizeof(Instance), m_maxInsts);
+            m_uniBuf = ctx.newDynamicBuffer(boo::BufferUse::Uniform, sizeof(zeus::CMatrix4f), 1);
+            TShader<CRadarPaintShader>::BuildShaderDataBinding(ctx, *this);
+            return true;
+        });
+    }
+
+    zeus::CMatrix4f uniMtx = CGraphics::GetPerspectiveProjectionMatrix(true) * CGraphics::g_GXModelView.toMatrix4f();
+    m_uniBuf->load(&uniMtx, sizeof(zeus::CMatrix4f));
+
+    size_t mapSz = sizeof(Instance) * instances.size();
+    Instance* insts = reinterpret_cast<Instance*>(m_vbo->map(mapSz));
+    memmove(insts, instances.data(), mapSz);
+    m_vbo->unmap();
+
+    CGraphics::SetShaderDataBinding(m_dataBind);
+    CGraphics::DrawInstances(0, 4, instances.size());
+}
+
+URDE_SPECIALIZE_SHADER(CRadarPaintShader)
+
+void CRadarPaintShader::Shutdown() {}
+
+}