added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / dsys / fx.hpp

diff --git a/src/3dengfx/src/dsys/fx.hpp b/src/3dengfx/src/dsys/fx.hpp
new file mode 100644 (file)
index 0000000..04b6360
--- /dev/null
+++ b/src/3dengfx/src/dsys/fx.hpp
@@ -0,0 +1,112 @@
+/*
+This file is part of the 3dengfx demo system.
+
+Copyright (c) 2004, 2005 John Tsiombikas <nuclear@siggraph.org>
+
+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
+(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, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+#ifndef _FX_HPP_
+#define _FX_HPP_
+
+#include "n3dmath2/n3dmath2.hpp"
+#include "gfx/color.hpp"
+#include "3dengfx/3denginefx_types.hpp"
+
+class Texture;
+
+namespace dsys {
+
+       enum {BLUR_DIR_X, BLUR_DIR_Y};
+       
+       // effects
+       void radial_blur(Texture *tex, float ammount, const Vector2 &origin = Vector2(0.5f, 0.5f), bool additive = false);
+       void dir_blur(Texture *tex, float ammount, int dir);
+       //void blur(Texture *tex, float ammount, bool additive = false);
+       void overlay(Texture *tex, const Vector2 &corner1, const Vector2 &corner2, const Color &color, GfxProg *pprog=0, bool handle_blending = true);
+       void negative(const Vector2 &corner1 = Vector2(0,0), const Vector2 &corner2 = Vector2(1,1));
+       void flash(unsigned long time, unsigned long when, unsigned long dur, const Color &col = Color(1,1,1));
+       
+       // integration with the scripting system
+       
+       class ImageFx;
+
+       void add_image_fx(ImageFx *fx);
+       void remove_image_fx(ImageFx *fx);
+       void apply_image_fx(unsigned long time);
+
+       class ImageFx {
+       protected:
+               unsigned long time, duration;
+
+       public:
+               ImageFx();
+               virtual ~ImageFx();
+               virtual bool parse_script_args(const char **args);
+
+               virtual void set_time(unsigned long time);
+               virtual void set_duration(unsigned long dur);
+
+               virtual void apply(unsigned long time) = 0;
+       };
+
+       class FxNegative : public ImageFx {
+       public:
+               virtual ~FxNegative();
+               virtual void apply(unsigned long time);
+       };
+
+       class FxFlash : public ImageFx {
+       protected:
+               Color color;
+
+       public:
+               FxFlash();
+               virtual ~FxFlash();
+               virtual bool parse_script_args(const char **args);
+               
+               virtual void set_color(const Color &col);
+               virtual void apply(unsigned long time);
+       };
+
+       class FxFade : public ImageFx {
+       protected:
+               Color color1, color2;
+               Texture *tex1, *tex2;
+
+       public:
+               FxFade();
+               virtual ~FxFade();
+               virtual bool parse_script_args(const char **args);
+
+               virtual void apply(unsigned long time);
+       };
+
+       class FxOverlay : public ImageFx {
+       protected:
+               Texture *tex;
+               GfxProg *shader;
+
+       public:
+               FxOverlay();
+               virtual ~FxOverlay();
+               virtual bool parse_script_args(const char **args);
+
+               virtual void set_texture(Texture *tex);
+               virtual void set_shader(GfxProg *sdr);
+               virtual void apply(unsigned long time);
+       };
+}
+
+#endif // _FX_HPP_