+++ /dev/null
-static struct flaretype
-{
- int type; /* flaretex index, 0..5, -1 for 6+random shine */
- float loc; /* postion on axis */
- float scale; /* texture scaling */
- uchar alpha; /* color alpha */
-} flaretypes[] =
-{
- {2, 1.30f, 0.04f, 153}, //flares
- {3, 1.00f, 0.10f, 102},
- {1, 0.50f, 0.20f, 77},
- {3, 0.20f, 0.05f, 77},
- {0, 0.00f, 0.04f, 77},
- {5, -0.25f, 0.07f, 127},
- {5, -0.40f, 0.02f, 153},
- {5, -0.60f, 0.04f, 102},
- {5, -1.00f, 0.03f, 51},
- {-1, 1.00f, 0.30f, 255}, //shine - red, green, blue
- {-2, 1.00f, 0.20f, 255},
- {-3, 1.00f, 0.25f, 255}
-};
-
-struct flare
-{
- vec o, center;
- float size;
- bvec color;
- bool sparkle;
-};
-
-VAR(flarelights, 0, 0, 1);
-VARP(flarecutoff, 0, 1000, 10000);
-VARP(flaresize, 20, 100, 500);
-
-struct flarerenderer : partrenderer
-{
- int maxflares, numflares;
- unsigned int shinetime;
- flare *flares;
-
- flarerenderer(const char *texname, int maxflares)
- : partrenderer(texname, 3, PT_FLARE|PT_SHADER), maxflares(maxflares), numflares(0), shinetime(0)
- {
- flares = new flare[maxflares];
- }
- ~flarerenderer()
- {
- delete[] flares;
- }
-
- void reset()
- {
- numflares = 0;
- }
-
- void newflare(vec &o, const vec ¢er, uchar r, uchar g, uchar b, float mod, float size, bool sun, bool sparkle)
- {
- if(numflares >= maxflares) return;
- vec target; //occlusion check (neccessary as depth testing is turned off)
- if(!raycubelos(o, camera1->o, target)) return;
- flare &f = flares[numflares++];
- f.o = o;
- f.center = center;
- f.size = size;
- f.color = bvec(uchar(r*mod), uchar(g*mod), uchar(b*mod));
- f.sparkle = sparkle;
- }
-
- void addflare(vec &o, uchar r, uchar g, uchar b, bool sun, bool sparkle)
- {
- //frustrum + fog check
- if(isvisiblesphere(0.0f, o) > (sun?VFC_FOGGED:VFC_FULL_VISIBLE)) return;
- //find closest point between camera line of sight and flare pos
- vec flaredir = vec(o).sub(camera1->o);
- vec center = vec(camdir).mul(flaredir.dot(camdir)).add(camera1->o);
- float mod, size;
- if(sun) //fixed size
- {
- mod = 1.0;
- size = flaredir.magnitude() * flaresize / 100.0f;
- }
- else
- {
- mod = (flarecutoff-vec(o).sub(center).squaredlen())/flarecutoff;
- if(mod < 0.0f) return;
- size = flaresize / 5.0f;
- }
- newflare(o, center, r, g, b, mod, size, sun, sparkle);
- }
-
- void makelightflares()
- {
- numflares = 0; //regenerate flarelist each frame
- shinetime = lastmillis/10;
-
- if(editmode || !flarelights) return;
-
- const vector<extentity *> &ents = entities::getents();
- extern const vector<int> &checklightcache(int x, int y);
- const vector<int> &lights = checklightcache(int(camera1->o.x), int(camera1->o.y));
- loopv(lights)
- {
- entity &e = *ents[lights[i]];
- if(e.type != ET_LIGHT) continue;
- bool sun = (e.attr1==0);
- float radius = float(e.attr1);
- vec flaredir = vec(e.o).sub(camera1->o);
- float len = flaredir.magnitude();
- if(!sun && (len > radius)) continue;
- if(isvisiblesphere(0.0f, e.o) > (sun?VFC_FOGGED:VFC_FULL_VISIBLE)) continue;
- vec center = vec(camdir).mul(flaredir.dot(camdir)).add(camera1->o);
- float mod, size;
- if(sun) //fixed size
- {
- mod = 1.0;
- size = len * flaresize / 100.0f;
- }
- else
- {
- mod = (radius-len)/radius;
- size = flaresize / 5.0f;
- }
- newflare(e.o, center, e.attr2, e.attr3, e.attr4, mod, size, sun, sun);
- }
- }
-
- int count()
- {
- return numflares;
- }
-
- bool haswork()
- {
- return (numflares != 0) && !glaring && !reflecting && !refracting;
- }
-
- void render()
- {
- textureshader->set();
- glDisable(GL_DEPTH_TEST);
- if(!tex) tex = textureload(texname);
- glBindTexture(GL_TEXTURE_2D, tex->id);
- gle::defattrib(gle::ATTRIB_VERTEX, 3, GL_FLOAT);
- gle::defattrib(gle::ATTRIB_TEXCOORD0, 2, GL_FLOAT);
- gle::defattrib(gle::ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE);
- gle::begin(GL_QUADS);
- loopi(numflares)
- {
- const flare &f = flares[i];
- vec center = f.center;
- vec axis = vec(f.o).sub(center);
- bvec4 color(f.color, 255);
- loopj(f.sparkle?12:9)
- {
- const flaretype &ft = flaretypes[j];
- vec o = vec(axis).mul(ft.loc).add(center);
- float sz = ft.scale * f.size;
- int tex = ft.type;
- if(ft.type < 0) //sparkles - always done last
- {
- shinetime = (shinetime + 1) % 10;
- tex = 6+shinetime;
- color.r = 0;
- color.g = 0;
- color.b = 0;
- color[-ft.type-1] = f.color[-ft.type-1]; //only want a single channel
- }
- color.a = ft.alpha;
- const float tsz = 0.25; //flares are aranged in 4x4 grid
- float tx = tsz*(tex&0x03), ty = tsz*((tex>>2)&0x03);
- gle::attribf(o.x+(-camright.x+camup.x)*sz, o.y+(-camright.y+camup.y)*sz, o.z+(-camright.z+camup.z)*sz);
- gle::attribf(tx, ty+tsz);
- gle::attrib(color);
- gle::attribf(o.x+( camright.x+camup.x)*sz, o.y+( camright.y+camup.y)*sz, o.z+( camright.z+camup.z)*sz);
- gle::attribf(tx+tsz, ty+tsz);
- gle::attrib(color);
- gle::attribf(o.x+( camright.x-camup.x)*sz, o.y+( camright.y-camup.y)*sz, o.z+( camright.z-camup.z)*sz);
- gle::attribf(tx+tsz, ty);
- gle::attrib(color);
- gle::attribf(o.x+(-camright.x-camup.x)*sz, o.y+(-camright.y-camup.y)*sz, o.z+(-camright.z-camup.z)*sz);
- gle::attribf(tx, ty);
- gle::attrib(color);
- }
- }
- gle::end();
- glEnable(GL_DEPTH_TEST);
- }
-
- //square per round hole - use addflare(..) instead
- particle *addpart(const vec &o, const vec &d, int fade, int color, float size, int gravity = 0) { return NULL; }
-};
-static flarerenderer flares("<grey>packages/particles/lensflares.png", 64);
-
projects / xolatile-badassbug.git / commitdiff