cvar_t r_lightningbeam_color_blue = {CVAR_SAVE, "r_lightningbeam_color_blue", "1", "color of the lightning beam effect"};
cvar_t r_lightningbeam_qmbtexture = {CVAR_SAVE, "r_lightningbeam_qmbtexture", "0", "load the qmb textures/particles/lightning.pcx texture instead of generating one, can look better"};
cvar_t r_lightningbeam_color_blue = {CVAR_SAVE, "r_lightningbeam_color_blue", "1", "color of the lightning beam effect"};
cvar_t r_lightningbeam_qmbtexture = {CVAR_SAVE, "r_lightningbeam_qmbtexture", "0", "load the qmb textures/particles/lightning.pcx texture instead of generating one, can look better"};
-int r_lightningbeamelements[18] = {0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11};
+int r_lightningbeamelement3i[18] = {0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11};
+unsigned short r_lightningbeamelement3s[18] = {0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11};
- for (i = 0;i < PATHPOINTS;i++)
- {
- path[i].x = lhrandom(0, 1);
- path[i].y = lhrandom(0.2, 0.8);
- path[i].strength = lhrandom(0, 1);
- }
- for (i = 0;i < PATHPOINTS;i++)
- {
- for (j = i + 1;j < PATHPOINTS;j++)
+ for (i = 0;i < PATHPOINTS;i++)
+ {
+ path[i].x = lhrandom(0, 1);
+ path[i].y = lhrandom(0.2, 0.8);
+ path[i].strength = lhrandom(0, 1);
+ }
+ for (i = 0;i < PATHPOINTS;i++)
- }
- particlex = path[0].x;
- particley = path[0].y;
- particlexv = lhrandom(0, 0.02);
- particlexv = lhrandom(-0.02, 0.02);
- memset(image, 0, BEAMWIDTH * BEAMHEIGHT * sizeof(int));
- for (i = 0;i < 65536;i++)
- {
- for (nearestpathindex = 0;nearestpathindex < PATHPOINTS;nearestpathindex++)
- if (path[nearestpathindex].x > particlex)
- break;
- nearestpathindex %= PATHPOINTS;
- dx = path[nearestpathindex].x + lhrandom(-0.01, 0.01);dx = bound(0, dx, 1) - particlex;if (dx < 0) dx += 1;
- dy = path[nearestpathindex].y + lhrandom(-0.01, 0.01);dy = bound(0, dy, 1) - particley;
- s = path[nearestpathindex].strength / sqrt(dx*dx+dy*dy);
- particlexv = particlexv /* (1 - lhrandom(0.08, 0.12))*/ + dx * s;
- particleyv = particleyv /* (1 - lhrandom(0.08, 0.12))*/ + dy * s;
- particlex += particlexv * maxpathstrength;particlex -= (int) particlex;
- particley += particleyv * maxpathstrength;particley = bound(0, particley, 1);
- px = particlex * BEAMWIDTH;
- py = particley * BEAMHEIGHT;
- if (px >= 0 && py >= 0 && px < BEAMWIDTH && py < BEAMHEIGHT)
- image[py*BEAMWIDTH+px] += 16;
- }
+ particlex = path[0].x;
+ particley = path[0].y;
+ particlexv = lhrandom(0, 0.02);
+ particlexv = lhrandom(-0.02, 0.02);
+ memset(image, 0, BEAMWIDTH * BEAMHEIGHT * sizeof(int));
+ for (i = 0;i < 65536;i++)
+ {
+ for (nearestpathindex = 0;nearestpathindex < PATHPOINTS;nearestpathindex++)
+ if (path[nearestpathindex].x > particlex)
+ break;
+ nearestpathindex %= PATHPOINTS;
+ dx = path[nearestpathindex].x + lhrandom(-0.01, 0.01);dx = bound(0, dx, 1) - particlex;if (dx < 0) dx += 1;
+ dy = path[nearestpathindex].y + lhrandom(-0.01, 0.01);dy = bound(0, dy, 1) - particley;
+ s = path[nearestpathindex].strength / sqrt(dx*dx+dy*dy);
+ particlexv = particlexv /* (1 - lhrandom(0.08, 0.12))*/ + dx * s;
+ particleyv = particleyv /* (1 - lhrandom(0.08, 0.12))*/ + dy * s;
+ particlex += particlexv * maxpathstrength;particlex -= (int) particlex;
+ particley += particleyv * maxpathstrength;particley = bound(0, particley, 1);
+ px = particlex * BEAMWIDTH;
+ py = particley * BEAMHEIGHT;
+ if (px >= 0 && py >= 0 && px < BEAMWIDTH && py < BEAMHEIGHT)
+ image[py*BEAMWIDTH+px] += 16;
+ }
- pixels[(py*BEAMWIDTH+px)*4+0] = bound(0, image[py*BEAMWIDTH+px] * 1.0f, 255.0f);
- pixels[(py*BEAMWIDTH+px)*4+1] = bound(0, image[py*BEAMWIDTH+px] * 1.0f, 255.0f);
- pixels[(py*BEAMWIDTH+px)*4+2] = bound(0, image[py*BEAMWIDTH+px] * 1.0f, 255.0f);
- pixels[(py*BEAMWIDTH+px)*4+3] = 255;
+ for (px = 0;px < BEAMWIDTH;px++)
+ {
+ pixels[(py*BEAMWIDTH+px)*4+2] = bound(0, image[py*BEAMWIDTH+px] * 1.0f, 255.0f);
+ pixels[(py*BEAMWIDTH+px)*4+1] = bound(0, image[py*BEAMWIDTH+px] * 1.0f, 255.0f);
+ pixels[(py*BEAMWIDTH+px)*4+0] = bound(0, image[py*BEAMWIDTH+px] * 1.0f, 255.0f);
+ pixels[(py*BEAMWIDTH+px)*4+3] = 255;
+ }
- Image_WriteTGARGBA(va("lightningbeam%i.tga", imagenumber), BEAMWIDTH, BEAMHEIGHT, pixels);
+ Image_WriteTGABGRA(va(vabuf, sizeof(vabuf), "lightningbeam%i.tga", imagenumber), BEAMWIDTH, BEAMHEIGHT, pixels);
- r_lightningbeamtexture = R_LoadTexture2D(r_lightningbeamtexturepool, "lightningbeam", BEAMWIDTH, BEAMHEIGHT, pixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ r_lightningbeamtexture = R_LoadTexture2D(r_lightningbeamtexturepool, "lightningbeam", BEAMWIDTH, BEAMHEIGHT, pixels, TEXTYPE_BGRA, TEXF_FORCELINEAR, NULL);
- r_lightningbeamtexture = R_LoadTexture2D(r_lightningbeamtexturepool, "lightningbeam", BEAMWIDTH, BEAMHEIGHT, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ r_lightningbeamtexture = R_SkinFrame_LoadInternalBGRA("lightningbeam", TEXF_FORCELINEAR, data, BEAMWIDTH, BEAMHEIGHT, false);
-void R_FogLightningBeam_Vertex3f_Color4f(const float *v, float *c, int numverts, float r, float g, float b, float a)
-{
- int i;
- float ifog;
- for (i = 0;i < numverts;i++, v += 3, c += 4)
- {
- ifog = 1 - VERTEXFOGTABLE(VectorDistance(v, r_view.origin));
- c[0] = r * ifog;
- c[1] = g * ifog;
- c[2] = b * ifog;
- c[3] = a;
- }
-}
-
- float color4f[12*4];
- R_Mesh_Matrix(&identitymatrix);
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- GL_DepthTest(true);
+
+ RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, 0, 0, r_lightningbeam_color_red.value, r_lightningbeam_color_green.value, r_lightningbeam_color_blue.value, 1, 12, vertex3f, texcoord2f, NULL, NULL, NULL, NULL, 6, r_lightningbeamelement3i, r_lightningbeamelement3s, false, false);
+
if (r_lightningbeam_qmbtexture.integer && r_lightningbeamqmbtexture == NULL)
r_lightningbeams_setupqmbtexture();
if (!r_lightningbeam_qmbtexture.integer && r_lightningbeamtexture == NULL)
r_lightningbeams_setuptexture();
if (r_lightningbeam_qmbtexture.integer && r_lightningbeamqmbtexture == NULL)
r_lightningbeams_setupqmbtexture();
if (!r_lightningbeam_qmbtexture.integer && r_lightningbeamtexture == NULL)
r_lightningbeams_setuptexture();
- R_Mesh_VertexPointer(vertex3f);
- if (r_refdef.fogenabled)
- {
- // per vertex colors if fog is used
- R_Mesh_ColorPointer(color4f);
- R_FogLightningBeam_Vertex3f_Color4f(vertex3f, color4f, 12, r_lightningbeam_color_red.value, r_lightningbeam_color_green.value, r_lightningbeam_color_blue.value, 1);
- }
- else
- {
- // solid color if fog is not used
- R_Mesh_ColorPointer(NULL);
- GL_Color(r_lightningbeam_color_red.value, r_lightningbeam_color_green.value, r_lightningbeam_color_blue.value, 1);
- }
- memset(&m, 0, sizeof(m));
- if (r_lightningbeam_qmbtexture.integer)
- m.tex[0] = R_GetTexture(r_lightningbeamqmbtexture);
- else
- m.tex[0] = R_GetTexture(r_lightningbeamtexture);
- m.pointer_texcoord[0] = texcoord2f;
- R_Mesh_TextureState(&m);
-
// find length of difference vector
length = sqrt(DotProduct(beamdir, beamdir));
// calculate scale to make beamdir a unit vector (normalized)
// find length of difference vector
length = sqrt(DotProduct(beamdir, beamdir));
// calculate scale to make beamdir a unit vector (normalized)
// remove the portion of the vector that moves along the beam
// (this leaves only a vector pointing directly away from the beam)
t1 = -DotProduct(up, beamdir);
// remove the portion of the vector that moves along the beam
// (this leaves only a vector pointing directly away from the beam)
t1 = -DotProduct(up, beamdir);
// polygon 2, verts 4-7
VectorAdd(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
// polygon 2, verts 4-7
VectorAdd(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
// polygon 3, verts 8-11
VectorSubtract(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
// polygon 3, verts 8-11
VectorSubtract(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 0, t1, t2);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 8, t1 + 0.33, t2 + 0.33);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 16, t1 + 0.66, t2 + 0.66);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 0, t1, t2);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 8, t1 + 0.33, t2 + 0.33);
R_CalcLightningBeamPolygonTexCoord2f(texcoord2f + 16, t1 + 0.66, t2 + 0.66);
- GL_LockArrays(0, 12);
- R_Mesh_Draw(0, 12, 6, r_lightningbeamelements);
- GL_LockArrays(0, 0);
+ R_DrawCustomSurface(r_lightningbeam_qmbtexture.integer ? r_lightningbeamqmbtexture : r_lightningbeamtexture, &identitymatrix, MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 12, 0, 6, false, false);
- VectorAdd(b->start, b->end, org);
- VectorScale(org, 0.5f, org);
- R_MeshQueue_AddTransparent(org, R_DrawLightningBeam_TransparentCallback, NULL, i, NULL);
+ vec3_t org, start, end, dir;
+ vec_t dist;
+ CL_Beam_CalculatePositions(b, start, end);
+ // calculate the nearest point on the line (beam) for depth sorting
+ VectorSubtract(end, start, dir);
+ dist = (DotProduct(r_refdef.view.origin, dir) - DotProduct(start, dir)) / (DotProduct(end, dir) - DotProduct(start, dir));
+ dist = bound(0, dist, 1);
+ VectorLerp(start, dist, end, org);
+ // now we have the nearest point on the line, so sort with it
+ R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, org, R_DrawLightningBeam_TransparentCallback, NULL, i, NULL);