refactor layout.h into single file per Node* classes

2017-05-13 21:58:04 +01:00
parent 51e355d039
commit 1f6c688258
55 changed files with 3600 additions and 2675 deletions
--- a/engine/node_image.cpp
+++ b/engine/node_image.cpp
@@ -0,0 +1,96 @@
+#include "pch.h"
+#include "log.h"
+#include "node_image.h"
+#include "shader.h"
+
+ui::Plane NodeImage::m_plane;
+Sampler NodeImage::m_sampler;
+
+void NodeImage::static_init()
+{
+    m_plane.create<1>(1, 1);
+    m_sampler.create();
+}
+
+Node* NodeImage::clone_instantiate() const
+{
+    return new NodeImage();
+}
+
+void NodeImage::clone_copy(Node* dest) const
+{
+    Node::clone_copy(dest);
+    NodeImage* n = static_cast<NodeImage*>(dest);
+    n->m_use_atlas = m_use_atlas;
+    n->m_region = m_region;
+    n->m_off = m_off;
+    n->m_sz = m_sz;
+    n->m_path = m_path;
+    n->m_tex_id = m_tex_id;
+}
+
+void NodeImage::create()
+{
+    if (!m_path.empty() && TextureManager::load(m_path.c_str()))
+    {
+        //LOG("load image node %s", m_path.c_str());
+        auto tex_sz = TextureManager::get(m_tex_id).size();
+        m_off = m_region.xy / tex_sz;
+        m_sz = (m_region.zw - m_region.xy) / tex_sz;
+    }
+}
+
+void NodeImage::restore_context()
+{
+    Node::restore_context();
+    create();
+}
+
+void NodeImage::parse_attributes(kAttribute ka, const tinyxml2::XMLAttribute* attr)
+{
+    Node::parse_attributes(ka, attr);
+    switch (ka)
+    {
+    case kAttribute::Path:
+        m_path = attr->Value();
+        m_tex_id = const_hash(attr->Value());
+        break;
+    case kAttribute::Region:
+    {
+        glm::vec4 v;
+        int n = sscanf(attr->Value(), "%f %f %f %f", &v.x, &v.y, &v.z, &v.w);
+        if (n == 4)
+        {
+            m_region = v;
+            m_use_atlas = true;
+        }
+        break;
+    }
+    default:
+        break;
+    }
+}
+
+void NodeImage::draw()
+{
+    using namespace ui;
+    TextureManager::get(m_tex_id).bind();
+    m_sampler.bind(0);
+    glEnable(GL_BLEND);
+    if (m_use_atlas)
+    {
+        ui::ShaderManager::use(kShader::Atlas);
+        ui::ShaderManager::u_vec2(kShaderUniform::Tof, m_off);
+        ui::ShaderManager::u_vec2(kShaderUniform::Tsz, m_sz);
+    }
+    else
+    {
+        ui::ShaderManager::use(kShader::Texture);
+    }
+    ui::ShaderManager::u_int(kShaderUniform::Tex, 0);
+    ui::ShaderManager::u_mat4(kShaderUniform::MVP, m_mvp);
+    m_plane.draw_fill();
+    m_sampler.unbind();
+    TextureManager::get(m_tex_id).unbind();
+    glDisable(GL_BLEND);
+}