Change of paths in src/graphics

- moved abstract core to src/graphics/core
- moved proper graphics engine to src/graphics/engine

1 files changed, 91 insertions, 0 deletions

diff --git a/src/graphics/core/light.h b/src/graphics/core/light.h
new file mode 100644
index 0000000..b787cb2
--- /dev/null
+++ b/src/graphics/core/light.h
@@ -0,0 +1,91 @@
+// * This file is part of the COLOBOT source code
+// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
+// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
+// *
+// * This program is free software: you can redistribute it and/or modify
+// * it under the terms of the GNU General Public License as published by
+// * the Free Software Foundation, either version 3 of the License, or
+// * (at your option) any later version.
+// *
+// * This program is distributed in the hope that it will be useful,
+// * but WITHOUT ANY WARRANTY; without even the implied warranty of
+// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// * GNU General Public License for more details.
+// *
+// * You should have received a copy of the GNU General Public License
+// * along with this program. If not, see  http://www.gnu.org/licenses/.
+
+// light.h
+
+#pragma once
+
+
+#include "graphics/core/color.h"
+#include "math/vector.h"
+
+
+namespace Gfx {
+
+/**
+  \enum LightType
+  \brief Type of light in 3D scene */
+enum LightType
+{
+    LIGHT_POINT,
+    LIGHT_SPOT,
+    LIGHT_DIRECTIONAL
+};
+
+/**
+  \struct Light
+  \brief Properties of light in 3D scene
+
+  This structure was created as analog to DirectX's D3DLIGHT. */
+struct Light
+{
+    //! Type of light source
+    Gfx::LightType  type;
+    //! Color of ambient light
+    Gfx::Color      ambient;
+    //! Color of diffuse light
+    Gfx::Color      diffuse;
+    //! Color of specular light
+    Gfx::Color      specular;
+    //! Position in world space (for point & spot lights)
+    Math::Vector    position;
+    //! Direction in world space (for directional & spot lights)
+    Math::Vector    direction;
+    //! Constant attenuation factor
+    float           attenuation0;
+    //! Linear attenuation factor
+    float           attenuation1;
+    //! Quadratic attenuation factor
+    float           attenuation2;
+    //! Angle of spotlight cone (0-90 degrees)
+    float           spotAngle;
+    //! Intensity of spotlight (0 = uniform; 128 = most intense)
+    float           spotIntensity;
+
+    //! Constructor; calls LoadDefault()
+    Light()
+    {
+        LoadDefault();
+    }
+
+    //! Loads default values
+    void LoadDefault()
+    {
+        type = LIGHT_POINT;
+        ambient = Gfx::Color(0.4f, 0.4f, 0.4f);
+        diffuse = Gfx::Color(0.8f, 0.8f, 0.8f);
+        specular = Gfx::Color(1.0f, 1.0f, 1.0f);
+        position = Math::Vector(0.0f, 0.0f, 0.0f);
+        direction = Math::Vector(0.0f, 0.0f, 1.0f);
+        attenuation0 = 1.0f;
+        attenuation1 = attenuation2 = 0.0f;
+        spotAngle = 90.0f;
+        spotIntensity = 0.0f;
+    }
+};
+
+}; // namespace Gfx