Lots of HUD-related implementations

Runtime/Graphics/Shaders/CEnergyBarShader.cpp

@@ -0,0 +1,82 @@
+#include "CEnergyBarShader.hpp"
+
+namespace urde
+{
+
+void CEnergyBarShader::updateModelMatrix()
+{
+    m_uniform.m_matrix = CGraphics::GetPerspectiveProjectionMatrix(true) * CGraphics::g_GXModelView.toMatrix4f();
+}
+
+void CEnergyBarShader::draw(const zeus::CColor& color0, const std::vector<Vertex>& verts0,
+                            const zeus::CColor& color1, const std::vector<Vertex>& verts1,
+                            const zeus::CColor& color2, const std::vector<Vertex>& verts2,
+                            const CTexture* tex)
+{
+    size_t totalVerts = verts0.size() + verts1.size() + verts2.size();
+    if (!totalVerts)
+        return;
+
+    if (totalVerts > m_maxVerts)
+    {
+        m_maxVerts = totalVerts;
+        m_tex = tex;
+        m_token = CGraphics::CommitResources([this](boo::IGraphicsDataFactory::Context& ctx)
+        {
+            m_vbo = ctx.newDynamicBuffer(boo::BufferUse::Vertex, sizeof(Vertex), m_maxVerts);
+            for (int i=0 ; i<3 ; ++i)
+                m_uniBuf[i] = ctx.newDynamicBuffer(boo::BufferUse::Uniform, sizeof(Uniform), 1);
+            TShader<CEnergyBarShader>::BuildShaderDataBinding(ctx, *this);
+            return true;
+        });
+    }
+
+    size_t vertIter = 0;
+    Vertex* verts = reinterpret_cast<Vertex*>(m_vbo->map(sizeof(Vertex) * totalVerts));
+    if (verts0.size())
+    {
+        memmove(verts, verts0.data(), sizeof(Vertex) * verts0.size());
+        vertIter += verts0.size();
+    }
+    if (verts1.size())
+    {
+        memmove(verts + vertIter, verts1.data(), sizeof(Vertex) * verts1.size());
+        vertIter += verts1.size();
+    }
+    if (verts2.size())
+    {
+        memmove(verts + vertIter, verts2.data(), sizeof(Vertex) * verts2.size());
+    }
+    m_vbo->unmap();
+
+    vertIter = 0;
+    if (verts0.size())
+    {
+        m_uniform.m_color = color0;
+        m_uniBuf[0]->load(&m_uniform, sizeof(Uniform));
+        CGraphics::SetShaderDataBinding(m_dataBind[0]);
+        CGraphics::DrawArray(0, verts0.size());
+        vertIter += verts0.size();
+    }
+    if (verts1.size())
+    {
+        m_uniform.m_color = color1;
+        m_uniBuf[1]->load(&m_uniform, sizeof(Uniform));
+        CGraphics::SetShaderDataBinding(m_dataBind[1]);
+        CGraphics::DrawArray(vertIter, verts1.size());
+        vertIter += verts1.size();
+    }
+    if (verts2.size())
+    {
+        m_uniform.m_color = color2;
+        m_uniBuf[2]->load(&m_uniform, sizeof(Uniform));
+        CGraphics::SetShaderDataBinding(m_dataBind[2]);
+        CGraphics::DrawArray(vertIter, verts2.size());
+    }
+}
+
+URDE_SPECIALIZE_SHADER(CEnergyBarShader)
+
+void CEnergyBarShader::Shutdown() {}
+
+}