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Diffstat (limited to 'hacks/glx/flurry.h')
| -rw-r--r-- | hacks/glx/flurry.h | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/hacks/glx/flurry.h b/hacks/glx/flurry.h deleted file mode 100644 index dd66a12..0000000 --- a/hacks/glx/flurry.h +++ /dev/null @@ -1,286 +0,0 @@ -/* - -Copyright (c) 2002, Calum Robinson -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - -* Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - -* Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -* Neither the name of the author nor the names of its contributors may be used - to endorse or promote products derived from this software without specific - prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - -/* -*- Mode: C; tab-width: 4 c-basic-offset: 4 indent-tabs-mode: t -*- */ -/* flurry */ -#ifndef __GLCODE__ -#define __GLCODE__ - -#include "xlockmoreI.h" -#include "yarandom.h" -#include "rotator.h" -#include "gltrackball.h" - -#include <stdlib.h> -#include <math.h> - -typedef struct _global_info_t global_info_t; -typedef struct _flurry_info_t flurry_info_t; - -#define sqr(X) ((X) * (X)) -#define PI M_PI -#define DEG2RAD(X) (PI*(X)/180.0) -#define RAD2DEG(X) ((X)*180.0/PI) -#define rnd() (frand(1.0)) - -/* fabs: Absolute function. */ -/* #undef abs */ -/* #define abs(a) ( (a) > 0 ? (a) : -(a) ) */ - -/* Force sign clamping to (-1;0;1) */ -#define sgn(a) ((a)<0?-1:((a)?1:0)) - -/* used to compute the min and max of two expresions */ -#define MIN_(a, b) (((a) < (b)) ? (a) : (b)) -#define MAX_(a, b) (((a) > (b)) ? (a) : (b)) - -typedef union { - float f[4]; -#if 0 -#if __VEC__ - vector float v; -#endif -#endif /* 0 */ -} floatToVector; - -typedef union { - unsigned int i[4]; -#if 0 -#if __VEC__ - vector unsigned int v; -#endif -#endif /* 0 */ -} intToVector; - -typedef struct SmokeParticleV -{ - floatToVector color[4]; - floatToVector position[3]; - floatToVector oldposition[3]; - floatToVector delta[3]; - intToVector dead; - floatToVector time; - intToVector animFrame; -} SmokeParticleV; - -#define NUMSMOKEPARTICLES 3600 - -typedef struct SmokeV -{ - SmokeParticleV p[NUMSMOKEPARTICLES/4]; - int nextParticle; - int nextSubParticle; - float lastParticleTime; - int firstTime; - long frame; - float old[3]; - floatToVector seraphimVertices[NUMSMOKEPARTICLES*2+1]; - floatToVector seraphimColors[NUMSMOKEPARTICLES*4+1]; - float seraphimTextures[NUMSMOKEPARTICLES*2*4]; -} SmokeV; - -void InitSmoke(SmokeV *s); - -void UpdateSmoke_ScalarBase(global_info_t *global, flurry_info_t *flurry, SmokeV *s); -#if 0 -#ifdef __ppc__ -void UpdateSmoke_ScalarFrsqrte(global_info_t *global, flurry_info_t *flurry, SmokeV *s); -#endif -#ifdef __VEC__ -void UpdateSmoke_VectorBase(global_info_t *global, flurry_info_t *flurry, SmokeV *s); -void UpdateSmoke_VectorUnrolled(global_info_t *global, flurry_info_t *flurry, SmokeV *s); -#endif -#endif /* 0 */ - -void DrawSmoke_Scalar(global_info_t *global, flurry_info_t *flurry, SmokeV *s, float); -void DrawSmoke_Vector(global_info_t *global, flurry_info_t *flurry, SmokeV *s, float); - -typedef struct Star -{ - float position[3]; - float mystery; - float rotSpeed; - int ate; -} Star; - -void UpdateStar(global_info_t *global, flurry_info_t *flurry, Star *s); -void InitStar(Star *s); - -typedef struct Spark -{ - float position[3]; - int mystery; - float delta[3]; - float color[4]; -} Spark; - -void UpdateSparkColour(global_info_t *info, flurry_info_t *flurry, Spark *s); -void InitSpark(Spark *s); -void UpdateSpark(global_info_t *info, flurry_info_t *flurry, Spark *s); -void DrawSpark(global_info_t *info, flurry_info_t *flurry, Spark *s); - -/* #define FastDistance2D(x,y) hypot(x,y) */ - -/* UInt8 sys_glBPP=32; */ -/* int SSMODE = FALSE; */ -/* int currentVideoMode = 0; */ -/* int cohesiveness = 7; */ -/* int fieldStrength; */ -/* int colorCoherence = 7; */ -/* int fieldIncoherence = 0; */ -/* int ifieldSpeed = 120; */ - -static inline float FastDistance2D(float x, float y) -{ - /* this function computes the distance from 0,0 to x,y with ~3.5% error */ - float mn; - /* first compute the absolute value of x,y */ - x = (x < 0.0f) ? -x : x; - y = (y < 0.0f) ? -y : y; - - /* compute the minimum of x,y */ - mn = x<y?x:y; - - /* return the distance */ - return(x+y-(mn*0.5f)-(mn*0.25f)+(mn*0.0625f)); -} - -#if 0 -#ifdef __VEC__ - -static vector float FastDistance2DV(vector float x, vector float y) { - vector float mn, temp; - - x = vec_abs(x); - y = vec_abs(y); - mn = vec_min(x,y); - temp = vec_add(x,y); - temp = vec_madd(mn, (vector float)(-0.6875), temp); - return temp; -} - -#endif -#endif /* 0 */ - -#define RandFlt(min, max) ((min) + frand((max) - (min))) - -#define RandBell(scale) ((scale) * (-(frand(.5) + frand(.5) + frand(.5)))) - -extern GLuint theTexture; - -GLuint MakeTexture(void); - -#define OPT_MODE_SCALAR_BASE 0x0 - -#if 0 -#ifdef __ppc__ -#define OPT_MODE_SCALAR_FRSQRTE 0x1 -#endif - -#ifdef __VEC__ -#define OPT_MODE_VECTOR_SIMPLE 0x2 -#define OPT_MODE_VECTOR_UNROLLED 0x3 -#endif -#endif /* 0 */ - -typedef enum _ColorModes -{ - redColorMode = 0, - magentaColorMode, - blueColorMode, - cyanColorMode, - greenColorMode, - yellowColorMode, - slowCyclicColorMode, - cyclicColorMode, - tiedyeColorMode, - rainbowColorMode, - whiteColorMode, - multiColorMode, - darkColorMode -} ColorModes; - -#define gravity 1500000.0f - -#define incohesion 0.07f -#define colorIncoherence 0.15f -#define streamSpeed 450.0 -#define fieldCoherence 0 -#define fieldSpeed 12.0f -#define numParticles 250 -#define starSpeed 50 -#define seraphDistance 2000.0f -#define streamSize 25000.0f -#define fieldRange 1000.0f -#define streamBias 7.0f - -#define MAX_SPARKS 64 - -struct _flurry_info_t { - flurry_info_t *next; - ColorModes currentColorMode; - SmokeV *s; - Star *star; - Spark *spark[MAX_SPARKS]; - float streamExpansion; - int numStreams; - double flurryRandomSeed; - double fTime; - double fOldTime; - double fDeltaTime; - double briteFactor; - float drag; - int dframe; -}; - -struct _global_info_t { - /* system values */ - GLXContext *glx_context; - Window window; - int optMode; - - float sys_glWidth; - float sys_glHeight; - - double gTimeCounter; - int first; - double oldFrameTime; - - flurry_info_t *flurry; - GLuint texid; -}; - -#define kNumSpectrumEntries 512 - -double TimeInSecondsSinceStart(const global_info_t *global); - -#endif /* Include/Define */ |