add GuiImage as gui component

engine/gui/GuiImage.h

@@ -0,0 +1,129 @@
+/*
+Copyright (c) 2013 Daniele Bartolini, Michele Rossi
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#pragma once
+
+#include "Matrix4x4.h"
+#include "RendererTypes.h"
+
+// FIXME FIXME FIXME
+// #include "Device.h"
+// #include "ResourceManager.h"
+// #include "Material.h"
+
+namespace crown
+{
+
+struct GuiImage
+{
+	//-------------------------------------------------------------------------
+	GuiImage(RenderWorld& render_world, Renderer& r, ResourceId material, const Vector3& pos, const Vector2& size)
+		: m_render_world(render_world)
+		, m_r(r)
+	{
+		update(pos, size);
+
+		// FIXME FIXME FIXME
+/*		MaterialResource* mat = (MaterialResource*) device()->resource_manager()->data(material);
+		m_material = m_render_world.create_material(mat);*/
+
+		m_vb = m_r.create_vertex_buffer(4, VertexFormat::P2_C4, m_vertices);
+		m_ib = m_r.create_index_buffer(8, m_indices);
+	}
+
+	//-------------------------------------------------------------------------
+	~GuiImage()
+	{
+		m_r.destroy_vertex_buffer(m_vb);
+		m_r.destroy_index_buffer(m_ib);
+
+		// m_render_world.destroy_material(m_material);
+	}
+
+	//-------------------------------------------------------------------------
+	void update(const Vector3& pos, const Vector2& size)
+	{
+		// m_vertices[0] = pos.x; m_vertices[1] = pos.y;
+		// m_vertices[2] = 0; m_vertices[3] = 0;
+
+		// m_vertices[4] = pos.x + size.x; m_vertices[5] = pos.y;
+		// m_vertices[6] = 1; m_vertices[7] = 0;
+
+		// m_vertices[8] = pos.x + size.x; m_vertices[9] = pos.y - size.y;
+		// m_vertices[10] = 1;	m_vertices[11] = 1;
+
+		// m_vertices[12] = pos.x; m_vertices[13] = pos.y - size.y;
+		// m_vertices[14] = 0;	m_vertices[15] = 1;
+
+		// m_indices[0] = 0; m_indices[1] = 1;
+		// m_indices[2] = 1; m_indices[3] = 2;
+		// m_indices[4] = 2; m_indices[5] = 3;
+		// m_indices[6] = 3; m_indices[7] = 0;
+
+		m_vertices[0] = pos.x; m_vertices[1] = pos.y;
+		m_vertices[2] = 1.0f; m_vertices[3] = 0.0f;
+		m_vertices[4] = 1.0f; m_vertices[5] = 1.0f;
+		m_vertices[6] = pos.x + size.x; m_vertices[7] = pos.y;
+		m_vertices[8] = 1.0f; m_vertices[9] = 0.0f;
+		m_vertices[10] = 0.0f; m_vertices[11] = 1.0f;
+		m_vertices[12] = pos.x + size.x; m_vertices[13] = pos.y - size.y;
+		m_vertices[14] = 1.0f; m_vertices[15] = 0.0f;
+		m_vertices[16] = 0.0f; m_vertices[17] = 1.0f;
+		m_vertices[18] = pos.x; m_vertices[19] = pos.y - size.y;
+		m_vertices[20] = 1.0f; m_vertices[21] = 0.0f;
+		m_vertices[22] = 0.0f; m_vertices[23] = 1.0f;
+
+		m_indices[0] = 0; m_indices[1] = 1;
+		m_indices[2] = 1; m_indices[3] = 2;
+		m_indices[4] = 2; m_indices[5] = 3;
+		m_indices[6] = 3; m_indices[7] = 0;
+	}
+
+	//-------------------------------------------------------------------------
+	void render(UniformId /*uniform*/)
+	{
+		// Material* material = m_render_world.lookup_material(m_material);
+		// material->bind(m_r, uniform);
+
+		m_r.set_vertex_buffer(m_vb);
+		m_r.set_index_buffer(m_ib);
+		m_r.commit(1);
+	}
+
+public:
+
+	RenderWorld& m_render_world;
+	Renderer& m_r;
+
+	float m_vertices[/*4*4*/6*4];
+	uint16_t m_indices[2*4];
+
+	// MaterialId m_material;
+	VertexBufferId m_vb;
+	IndexBufferId m_ib;
+};
+
+} // namespace crown