X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fsky.h;h=f1989177351a7c9420459353b5165851ac1e9789;hb=bb9fe6eb2b32548e66d62b64e949b058ec7856fc;hp=39e5923938780a54ae2d1d4ad31b84211f66ae8c;hpb=2e90ed07acd295387c0da6c0689d14665b6c125d;p=dragonfireclient.git

diff --git a/src/sky.h b/src/sky.h
index 39e592393..f19891773 100644
--- a/src/sky.h
+++ b/src/sky.h
@@ -1,44 +1,49 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 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 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "common_irrlicht.h"
+#include "irrlichttypes_extrabloated.h"
 #include <ISceneNode.h>
+#include "camera.h"
 
 #ifndef SKY_HEADER
 #define SKY_HEADER
 
-#define SKY_MATERIAL_COUNT 3
+#define SKY_MATERIAL_COUNT 5
 #define SKY_STAR_COUNT 200
 
+class ITextureSource;
+
 // Skybox, rendered with zbuffer turned off, before all other nodes.
 class Sky : public scene::ISceneNode
 {
 public:
 	//! constructor
-	Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id);
+	Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id,
+			ITextureSource *tsrc);
 
 	virtual void OnRegisterSceneNode();
 
 	//! renders the node.
 	virtual void render();
 
-	virtual const core::aabbox3d<f32>& getBoundingBox() const;
+	virtual const aabb3f &getBoundingBox() const
+	{ return m_box; }
 
 	// Used by Irrlicht for optimizing rendering
 	virtual video::SMaterial& getMaterial(u32 i)
@@ -49,19 +54,68 @@ class Sky : public scene::ISceneNode
 	{ return SKY_MATERIAL_COUNT; }
 
 	void update(float m_time_of_day, float time_brightness,
-			float direct_brightness, bool sunlight_seen);
+			float direct_brightness, bool sunlight_seen, CameraMode cam_mode,
+			float yaw, float pitch);
 	
 	float getBrightness(){ return m_brightness; }
-	video::SColor getBgColor(){ return m_bgcolor; }
-	video::SColor getSkyColor(){ return m_skycolor; }
+
+	video::SColor getBgColor(){
+		return m_visible ? m_bgcolor : m_fallback_bg_color;
+	}
+	video::SColor getSkyColor(){
+		return m_visible ? m_skycolor : m_fallback_bg_color;
+	}
 	
-	bool getCloudsVisible(){ return m_clouds_visible; }
+	bool getCloudsVisible(){ return m_clouds_visible && m_visible; }
 	video::SColorf getCloudColor(){ return m_cloudcolor_f; }
 
+	void setVisible(bool visible){ m_visible = visible; }
+	void setFallbackBgColor(const video::SColor &fallback_bg_color){
+		m_fallback_bg_color = fallback_bg_color;
+	}
+
 private:
-	core::aabbox3d<f32> Box;
+	aabb3f m_box;
 	video::SMaterial m_materials[SKY_MATERIAL_COUNT];
-	
+
+	// How much sun & moon transition should affect horizon color
+	float m_horizon_blend()
+	{
+		if (!m_sunlight_seen)
+			return 0;
+		float x = m_time_of_day >= 0.5 ? (1 - m_time_of_day) * 2 : m_time_of_day * 2;
+
+		if (x <= 0.3)
+			return 0;
+		if (x <= 0.4) // when the sun and moon are aligned
+			return (x - 0.3) * 10;
+		if (x <= 0.5)
+			return (0.5 - x) * 10;
+		return 0;
+	}
+
+	// Mix two colors by a given amount
+	video::SColor m_mix_scolor(video::SColor col1, video::SColor col2, f32 factor)
+	{
+		video::SColor result = video::SColor(
+			col1.getAlpha() * (1 - factor) + col2.getAlpha() * factor,
+			col1.getRed() * (1 - factor) + col2.getRed() * factor,
+			col1.getGreen() * (1 - factor) + col2.getGreen() * factor,
+			col1.getBlue() * (1 - factor) + col2.getBlue() * factor);
+		return result;
+	}
+	video::SColorf m_mix_scolorf(video::SColorf col1, video::SColorf col2, f32 factor)
+	{
+		video::SColorf result = video::SColorf(
+			col1.r * (1 - factor) + col2.r * factor,
+			col1.g * (1 - factor) + col2.g * factor,
+			col1.b * (1 - factor) + col2.b * factor,
+			col1.a * (1 - factor) + col2.a * factor);
+		return result;
+	}
+
+	bool m_visible;
+	video::SColor m_fallback_bg_color; // Used when m_visible=false
 	bool m_first_update;
 	float m_time_of_day;
 	float m_time_brightness;
@@ -69,6 +123,7 @@ class Sky : public scene::ISceneNode
 	float m_brightness;
 	float m_cloud_brightness;
 	bool m_clouds_visible;
+	bool m_directional_colored_fog;
 	video::SColorf m_bgcolor_bright_f;
 	video::SColorf m_skycolor_bright_f;
 	video::SColorf m_cloudcolor_bright_f;
@@ -76,8 +131,11 @@ class Sky : public scene::ISceneNode
 	video::SColor m_skycolor;
 	video::SColorf m_cloudcolor_f;
 	v3f m_stars[SKY_STAR_COUNT];
-	u16 m_star_indices[SKY_STAR_COUNT*4];
 	video::S3DVertex m_star_vertices[SKY_STAR_COUNT*4];
+	video::ITexture* m_sun_texture;
+	video::ITexture* m_moon_texture;
+	video::ITexture* m_sun_tonemap;
+	video::ITexture* m_moon_tonemap;
 };
 
 #endif