diff options
Diffstat (limited to 'src/engine/explosion.h')
| -rw-r--r-- | src/engine/explosion.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/engine/explosion.h b/src/engine/explosion.h deleted file mode 100644 index 819b0a3..0000000 --- a/src/engine/explosion.h +++ /dev/null @@ -1,179 +0,0 @@ -namespace sphere -{ - struct vert - { - vec pos; - ushort s, t; - } *verts = NULL; - GLushort *indices = NULL; - int numverts = 0, numindices = 0; - GLuint vbuf = 0, ebuf = 0; - - void init(int slices, int stacks) - { - numverts = (stacks+1)*(slices+1); - verts = new vert[numverts]; - float ds = 1.0f/slices, dt = 1.0f/stacks, t = 1.0f; - loopi(stacks+1) - { - float rho = M_PI*(1-t), s = 0.0f, sinrho = i && i < stacks ? sin(rho) : 0, cosrho = !i ? 1 : (i < stacks ? cos(rho) : -1); - loopj(slices+1) - { - float theta = j==slices ? 0 : 2*M_PI*s; - vert &v = verts[i*(slices+1) + j]; - v.pos = vec(-sin(theta)*sinrho, cos(theta)*sinrho, cosrho); - v.s = ushort(s*0xFFFF); - v.t = ushort(t*0xFFFF); - s += ds; - } - t -= dt; - } - - numindices = (stacks-1)*slices*3*2; - indices = new ushort[numindices]; - GLushort *curindex = indices; - loopi(stacks) - { - loopk(slices) - { - int j = i%2 ? slices-k-1 : k; - if(i) - { - *curindex++ = i*(slices+1)+j; - *curindex++ = (i+1)*(slices+1)+j; - *curindex++ = i*(slices+1)+j+1; - } - if(i+1 < stacks) - { - *curindex++ = i*(slices+1)+j+1; - *curindex++ = (i+1)*(slices+1)+j; - *curindex++ = (i+1)*(slices+1)+j+1; - } - } - } - - if(!vbuf) glGenBuffers_(1, &vbuf); - gle::bindvbo(vbuf); - glBufferData_(GL_ARRAY_BUFFER, numverts*sizeof(vert), verts, GL_STATIC_DRAW); - DELETEA(verts); - - if(!ebuf) glGenBuffers_(1, &ebuf); - gle::bindebo(ebuf); - glBufferData_(GL_ELEMENT_ARRAY_BUFFER, numindices*sizeof(GLushort), indices, GL_STATIC_DRAW); - DELETEA(indices); - } - - void enable() - { - if(!vbuf) init(12, 6); - - gle::bindvbo(vbuf); - gle::bindebo(ebuf); - - gle::vertexpointer(sizeof(vert), &verts->pos); - gle::texcoord0pointer(sizeof(vert), &verts->s, GL_UNSIGNED_SHORT, 2, GL_TRUE); - gle::enablevertex(); - gle::enabletexcoord0(); - } - - void draw() - { - glDrawRangeElements_(GL_TRIANGLES, 0, numverts-1, numindices, GL_UNSIGNED_SHORT, indices); - xtraverts += numindices; - glde++; - } - - void disable() - { - gle::disablevertex(); - gle::disabletexcoord0(); - - gle::clearvbo(); - gle::clearebo(); - } - - void cleanup() - { - if(vbuf) { glDeleteBuffers_(1, &vbuf); vbuf = 0; } - if(ebuf) { glDeleteBuffers_(1, &ebuf); ebuf = 0; } - } -} - -static const float WOBBLE = 1.25f; - -struct fireballrenderer : listrenderer -{ - fireballrenderer(const char *texname) - : listrenderer(texname, 0, PT_FIREBALL|PT_GLARE|PT_SHADER) - {} - - void startrender() - { - SETSHADER(explosion); - sphere::enable(); - } - - void endrender() - { - sphere::disable(); - } - - void cleanup() - { - sphere::cleanup(); - } - - void seedemitter(particleemitter &pe, const vec &o, const vec &d, int fade, float size, int gravity) - { - pe.maxfade = max(pe.maxfade, fade); - pe.extendbb(o, (size+1+pe.ent->attr2)*WOBBLE); - } - - void renderpart(listparticle *p, const vec &o, const vec &d, int blend, int ts) - { - float pmax = p->val, size = p->fade ? float(ts)/p->fade : 1, psize = p->size + pmax * size; - - vec dir = vec(o).sub(camera1->o), s, t; - float dist = dir.magnitude(); - bool inside = dist <= psize*WOBBLE; - if(inside) - { - s = camright; - t = camup; - } - else - { - float mag2 = dir.magnitude2(); - dir.x /= mag2; - dir.y /= mag2; - dir.z /= dist; - s = vec(dir.y, -dir.x, 0); - t = vec(dir.x*dir.z, dir.y*dir.z, -mag2/dist); - } - - matrix3 rot(lastmillis/1000.0f*143*RAD, vec(1/SQRT3, 1/SQRT3, 1/SQRT3)); - LOCALPARAM(texgenS, rot.transposedtransform(s)); - LOCALPARAM(texgenT, rot.transposedtransform(t)); - - matrix4 m(rot, o); - m.scale(psize, psize, inside ? -psize : psize); - m.mul(camprojmatrix, m); - LOCALPARAM(explosionmatrix, m); - - LOCALPARAM(center, o); - LOCALPARAMF(millis, lastmillis/1000.0f); - LOCALPARAMF(blendparams, inside ? 0.5f : 4, inside ? 0.25f : 0); - - int passes = inside ? 2 : 1; - loopi(passes) - { - gle::color(p->color, i ? blend/2 : blend); - if(i) glDepthFunc(GL_GEQUAL); - sphere::draw(); - if(i) glDepthFunc(GL_LESS); - } - } -}; - -static fireballrenderer fireballs("packages/particles/explosion.png"), bluefireballs("packages/particles/plasma.png"); - |