#include "quakedef.h"
#include "cl_collision.h"
#include "cl_video.h"
+#include "image.h"
// we need to declare some mouse variables here, because the menu system
// references them even when on a unix system.
cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
+cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
}
}
- if (b->lightning && cl_beams_polygons.integer)
- continue;
+ if (b->lightning)
+ {
+ if (cl_beams_lightatend.integer)
+ CL_AllocDlight (NULL, b->end, 200, 0.3, 0.7, 1, 0, 0);
+ if (cl_beams_polygons.integer)
+ continue;
+ }
// calculate pitch and yaw
VectorSubtract (b->end, b->start, dist);
cvar_t r_lightningbeam_color_red = {CVAR_SAVE, "r_lightningbeam_color_red", "1"};
cvar_t r_lightningbeam_color_green = {CVAR_SAVE, "r_lightningbeam_color_green", "1"};
cvar_t r_lightningbeam_color_blue = {CVAR_SAVE, "r_lightningbeam_color_blue", "1"};
+cvar_t r_lightningbeam_qmbtexture = {CVAR_SAVE, "r_lightningbeam_qmbtexture", "0"};
rtexture_t *r_lightningbeamtexture;
+rtexture_t *r_lightningbeamqmbtexture;
rtexturepool_t *r_lightningbeamtexturepool;
int r_lightningbeamelements[18] = {0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11};
void r_lightningbeams_start(void)
{
+ r_lightningbeamtexturepool = R_AllocTexturePool();
+ r_lightningbeamtexture = NULL;
+ r_lightningbeamqmbtexture = NULL;
+}
+
+void r_lightningbeams_setupqmbtexture(void)
+{
+ r_lightningbeamqmbtexture = loadtextureimage(r_lightningbeamtexturepool, "textures/particles/lightning.pcx", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
+ if (r_lightningbeamqmbtexture == NULL)
+ Cvar_SetValueQuick(&r_lightningbeam_qmbtexture, false);
+}
+
+void r_lightningbeams_setuptexture(void)
+{
+#if 0
+#define BEAMWIDTH 128
+#define BEAMHEIGHT 64
+#define PATHPOINTS 8
+ int i, j, px, py, nearestpathindex, imagenumber;
+ float particlex, particley, particlexv, particleyv, dx, dy, s, maxpathstrength;
+ qbyte *pixels;
+ int *image;
+ struct {float x, y, strength;} path[PATHPOINTS], temppath;
+
+ image = Mem_Alloc(tempmempool, BEAMWIDTH * BEAMHEIGHT * sizeof(int));
+ pixels = Mem_Alloc(tempmempool, BEAMWIDTH * BEAMHEIGHT * sizeof(qbyte[4]));
+
+ for (imagenumber = 0, maxpathstrength = 0.0339476;maxpathstrength < 0.5;imagenumber++, maxpathstrength += 0.01)
+ {
+ 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++)
+ {
+ if (path[j].x < path[i].x)
+ {
+ temppath = path[j];
+ path[j] = path[i];
+ path[i] = temppath;
+ }
+ }
+ }
+ 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;
+ }
+
+ for (py = 0;py < BEAMHEIGHT;py++)
+ {
+ for (px = 0;px < BEAMWIDTH;px++)
+ {
+ 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;
+ }
+ }
+
+ Image_WriteTGARGBA(va("lightningbeam%i.tga", imagenumber), BEAMWIDTH, BEAMHEIGHT, pixels);
+ }
+
+ r_lightningbeamtexture = R_LoadTexture2D(r_lightningbeamtexturepool, "lightningbeam", BEAMWIDTH, BEAMHEIGHT, pixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+
+ Mem_Free(pixels);
+ Mem_Free(image);
+#else
+#define BEAMWIDTH 64
+#define BEAMHEIGHT 128
float r, g, b, intensity, fx, width, center;
int x, y;
qbyte *data, *noise1, *noise2;
- data = Mem_Alloc(tempmempool, 32 * 512 * 4);
- noise1 = Mem_Alloc(tempmempool, 512 * 512);
- noise2 = Mem_Alloc(tempmempool, 512 * 512);
- fractalnoise(noise1, 512, 8);
- fractalnoise(noise2, 512, 16);
- for (y = 0;y < 512;y++)
+ data = Mem_Alloc(tempmempool, BEAMWIDTH * BEAMHEIGHT * 4);
+ noise1 = Mem_Alloc(tempmempool, BEAMHEIGHT * BEAMHEIGHT);
+ noise2 = Mem_Alloc(tempmempool, BEAMHEIGHT * BEAMHEIGHT);
+ fractalnoise(noise1, BEAMHEIGHT, BEAMHEIGHT / 8);
+ fractalnoise(noise2, BEAMHEIGHT, BEAMHEIGHT / 16);
+
+ for (y = 0;y < BEAMHEIGHT;y++)
{
- width = noise1[y * 512] * (1.0f / 256.0f) * 3.0f + 3.0f;
- center = (noise1[y * 512 + 64] / 256.0f) * (32.0f - (width + 1.0f) * 2.0f) + (width + 1.0f);
- for (x = 0;x < 32;x++, fx++)
+ width = 0.15;//((noise1[y * BEAMHEIGHT] * (1.0f / 256.0f)) * 0.1f + 0.1f);
+ center = (noise1[y * BEAMHEIGHT + (BEAMHEIGHT / 2)] / 256.0f) * (1.0f - width * 2.0f) + width;
+ for (x = 0;x < BEAMWIDTH;x++, fx++)
{
- fx = (x - center) / width;
- intensity = (1.0f - fx * fx) * (noise2[y*512+x] * (1.0f / 256.0f) * 0.33f + 0.66f);
+ fx = (((float) x / BEAMWIDTH) - center) / width;
+ intensity = 1.0f - sqrt(fx * fx);
+ if (intensity > 0)
+ intensity = pow(intensity, 2) * ((noise2[y * BEAMHEIGHT + x] * (1.0f / 256.0f)) * 0.33f + 0.66f);
intensity = bound(0, intensity, 1);
- r = intensity * 2.0f - 1.0f;
- g = intensity * 3.0f - 1.0f;
- b = intensity * 3.0f;
- data[(y * 32 + x) * 4 + 0] = (qbyte)(bound(0, r, 1) * 255.0f);
- data[(y * 32 + x) * 4 + 1] = (qbyte)(bound(0, g, 1) * 255.0f);
- data[(y * 32 + x) * 4 + 2] = (qbyte)(bound(0, b, 1) * 255.0f);
- data[(y * 32 + x) * 4 + 3] = (qbyte)255;
+ r = intensity * 1.0f;
+ g = intensity * 1.0f;
+ b = intensity * 1.0f;
+ data[(y * BEAMWIDTH + x) * 4 + 0] = (qbyte)(bound(0, r, 1) * 255.0f);
+ data[(y * BEAMWIDTH + x) * 4 + 1] = (qbyte)(bound(0, g, 1) * 255.0f);
+ data[(y * BEAMWIDTH + x) * 4 + 2] = (qbyte)(bound(0, b, 1) * 255.0f);
+ data[(y * BEAMWIDTH + x) * 4 + 3] = (qbyte)255;
}
}
- r_lightningbeamtexturepool = R_AllocTexturePool();
- r_lightningbeamtexture = R_LoadTexture2D(r_lightningbeamtexturepool, "lightningbeam", 32, 512, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ r_lightningbeamtexture = R_LoadTexture2D(r_lightningbeamtexturepool, "lightningbeam", BEAMWIDTH, BEAMHEIGHT, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
Mem_Free(noise1);
Mem_Free(noise2);
Mem_Free(data);
+#endif
}
void r_lightningbeams_shutdown(void)
{
r_lightningbeamtexture = NULL;
+ r_lightningbeamqmbtexture = NULL;
R_FreeTexturePool(&r_lightningbeamtexturepool);
}
Cvar_RegisterVariable(&r_lightningbeam_color_red);
Cvar_RegisterVariable(&r_lightningbeam_color_green);
Cvar_RegisterVariable(&r_lightningbeam_color_blue);
+ Cvar_RegisterVariable(&r_lightningbeam_qmbtexture);
R_RegisterModule("R_LightningBeams", r_lightningbeams_start, r_lightningbeams_shutdown, r_lightningbeams_newmap);
}
-void R_CalcLightningBeamPolygonVertices(float *v, float *tc, const float *start, const float *end, const float *offset, float t1, float t2)
+void R_CalcLightningBeamPolygonVertex3f(float *v, const float *start, const float *end, const float *offset)
{
// near right corner
- VectorAdd (start, offset, (v + 0));tc[ 0] = 0;tc[ 1] = t1;
+ VectorAdd (start, offset, (v + 0));
// near left corner
- VectorSubtract(start, offset, (v + 4));tc[ 4] = 1;tc[ 5] = t1;
+ VectorSubtract(start, offset, (v + 3));
// far left corner
- VectorSubtract(end , offset, (v + 8));tc[ 8] = 1;tc[ 9] = t2;
+ VectorSubtract(end , offset, (v + 6));
// far right corner
- VectorAdd (end , offset, (v + 12));tc[12] = 0;tc[13] = t2;
+ VectorAdd (end , offset, (v + 9));
}
-void R_FogLightningBeamColors(const float *v, float *c, int numverts, float r, float g, float b, float a)
+void R_CalcLightningBeamPolygonTexCoord2f(float *tc, float t1, float t2)
+{
+ if (r_lightningbeam_qmbtexture.integer)
+ {
+ // near right corner
+ tc[0] = t1;tc[1] = 0;
+ // near left corner
+ tc[2] = t1;tc[3] = 1;
+ // far left corner
+ tc[4] = t2;tc[5] = 1;
+ // far right corner
+ tc[6] = t2;tc[7] = 0;
+ }
+ else
+ {
+ // near right corner
+ tc[0] = 0;tc[1] = t1;
+ // near left corner
+ tc[2] = 1;tc[3] = t1;
+ // far left corner
+ tc[4] = 1;tc[5] = t2;
+ // far right corner
+ tc[6] = 0;tc[7] = t2;
+ }
+}
+
+void R_FogLightningBeam_Vertex3f_Color4f(const float *v, float *c, int numverts, float r, float g, float b, float a)
{
int i;
vec3_t fogvec;
float ifog;
- for (i = 0;i < numverts;i++, v += 4, c += 4)
+ for (i = 0;i < numverts;i++, v += 3, c += 4)
{
VectorSubtract(v, r_origin, fogvec);
ifog = 1 - exp(fogdensity/DotProduct(fogvec,fogvec));
memset(&m, 0, sizeof(m));
m.blendfunc1 = GL_SRC_ALPHA;
m.blendfunc2 = GL_ONE;
- m.tex[0] = R_GetTexture(r_lightningbeamtexture);
+ 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)
+ m.tex[0] = R_GetTexture(r_lightningbeamqmbtexture);
+ else
+ m.tex[0] = R_GetTexture(r_lightningbeamtexture);
R_Mesh_State(&m);
R_Mesh_Matrix(&r_identitymatrix);
CrossProduct(beamdir, up, right);
// calculate T coordinate scrolling (start and end texcoord along the beam)
- t1 = cl.time * -r_lightningbeam_scroll.value + beamrepeatscale * DotProduct(b->start, beamdir);
+ t1 = cl.time * -r_lightningbeam_scroll.value;// + beamrepeatscale * DotProduct(b->start, beamdir);
t1 = t1 - (int) t1;
t2 = t1 + beamrepeatscale * length;
// polygon 1, verts 0-3
VectorScale(right, r_lightningbeam_thickness.value, offset);
- R_CalcLightningBeamPolygonVertices(varray_vertex, varray_texcoord[0], b->start, b->end, offset, t1, t2);
+ R_CalcLightningBeamPolygonVertex3f(varray_vertex3f, b->start, b->end, offset);
+ R_CalcLightningBeamPolygonTexCoord2f(varray_texcoord2f[0], t1, t2);
// polygon 2, verts 4-7
VectorAdd(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
- R_CalcLightningBeamPolygonVertices(varray_vertex + 16, varray_texcoord[0] + 16, b->start, b->end, offset, t1 + 0.33, t2 + 0.33);
+ R_CalcLightningBeamPolygonVertex3f(varray_vertex3f + 12, b->start, b->end, offset);
+ R_CalcLightningBeamPolygonTexCoord2f(varray_texcoord2f[0] + 8, t1 + 0.33, t2 + 0.33);
// polygon 3, verts 8-11
VectorSubtract(right, up, offset);
VectorScale(offset, r_lightningbeam_thickness.value * 0.70710681f, offset);
- R_CalcLightningBeamPolygonVertices(varray_vertex + 32, varray_texcoord[0] + 32, b->start, b->end, offset, t1 + 0.66, t2 + 0.66);
+ R_CalcLightningBeamPolygonVertex3f(varray_vertex3f + 24, b->start, b->end, offset);
+ R_CalcLightningBeamPolygonTexCoord2f(varray_texcoord2f[0] + 16, t1 + 0.66, t2 + 0.66);
if (fogenabled)
{
// per vertex colors if fog is used
GL_UseColorArray();
- R_FogLightningBeamColors(varray_vertex, varray_color, 12, r_lightningbeam_color_red.value, r_lightningbeam_color_green.value, r_lightningbeam_color_blue.value, 1);
+ R_FogLightningBeam_Vertex3f_Color4f(varray_vertex3f, varray_color4f, 12, r_lightningbeam_color_red.value, r_lightningbeam_color_green.value, r_lightningbeam_color_blue.value, 1);
}
else
{
Cvar_RegisterVariable(&cl_stainmaps);
Cvar_RegisterVariable(&cl_beams_polygons);
Cvar_RegisterVariable(&cl_beams_relative);
+ Cvar_RegisterVariable(&cl_beams_lightatend);
Cvar_RegisterVariable(&cl_noplayershadow);
R_LightningBeams_Init();
projects / xonotic / darkplaces.git / blobdiff