Two new cvars for blood particles: decal alpha, decal random scaling (min/max)

Protect against float values on stain colors in DP_CSQC_SPAWNPARTICLE

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9837 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/cl_particles.c b/cl_particles.c
index 5229124a170cdbb7343fd97d250c3c7ec7398100..eb850f069b819035f41a02db29ff704b9118ee21 100644 (file)
--- a/cl_particles.c
+++ b/cl_particles.c
@@ -194,7 +194,10 @@ cvar_t cl_particles_alpha = {CVAR_SAVE, "cl_particles_alpha", "1", "multiplies o
 cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1", "multiplies particle size"};
 cvar_t cl_particles_quake = {CVAR_SAVE, "cl_particles_quake", "0", "makes particle effects look mostly like the ones in Quake"};
 cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1", "enables blood effects"};
-cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "1", "opacity of blood"};
+cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "1", "opacity of blood, does not affect decals"};
+cvar_t cl_particles_blood_decal_alpha = {CVAR_SAVE, "cl_particles_blood_decal_alpha", "1", "opacity of blood decal"};
+cvar_t cl_particles_blood_decal_scalemin = {CVAR_SAVE, "cl_particles_blood_decal_scalemin", "1.5", "minimal random scale of decal"};
+cvar_t cl_particles_blood_decal_scalemax = {CVAR_SAVE, "cl_particles_blood_decal_scalemax", "2", "maximal random scale of decal"};
 cvar_t cl_particles_blood_bloodhack = {CVAR_SAVE, "cl_particles_blood_bloodhack", "1", "make certain quake particle() calls create blood effects instead"};
 cvar_t cl_particles_bulletimpacts = {CVAR_SAVE, "cl_particles_bulletimpacts", "1", "enables bulletimpact effects"};
 cvar_t cl_particles_explosions_sparks = {CVAR_SAVE, "cl_particles_explosions_sparks", "1", "enables sparks from explosions"};
@@ -490,6 +493,9 @@ void CL_Particles_Init (void)
        Cvar_RegisterVariable (&cl_particles_quake);
        Cvar_RegisterVariable (&cl_particles_blood);
        Cvar_RegisterVariable (&cl_particles_blood_alpha);
+       Cvar_RegisterVariable (&cl_particles_blood_decal_alpha);
+       Cvar_RegisterVariable (&cl_particles_blood_decal_scalemin);
+       Cvar_RegisterVariable (&cl_particles_blood_decal_scalemax);
        Cvar_RegisterVariable (&cl_particles_blood_bloodhack);
        Cvar_RegisterVariable (&cl_particles_explosions_sparks);
        Cvar_RegisterVariable (&cl_particles_explosions_shell);
@@ -2702,7 +2708,7 @@ void R_DrawParticles (void)
                                                                if (cl_decals.integer)
                                                                {
                                                                        // create a decal for the blood splat
-                                                                       CL_SpawnDecalParticleForSurface(hitent, p->org, trace.plane.normal, p->color[0] * 65536 + p->color[1] * 256 + p->color[2], p->color[0] * 65536 + p->color[1] * 256 + p->color[2], tex_blooddecal[rand()&7], p->size * 2, p->alpha);
+                                                                       CL_SpawnDecalParticleForSurface(hitent, p->org, trace.plane.normal, p->color[0] * 65536 + p->color[1] * 256 + p->color[2], p->color[0] * 65536 + p->color[1] * 256 + p->color[2], tex_blooddecal[rand()&7], p->size * lhrandom(cl_particles_blood_decal_scalemin.value, cl_particles_blood_decal_scalemax.value), cl_particles_blood_decal_alpha.value * 768);
                                                                }
                                                        }
                                                        goto killparticle;

diff --git a/client.h b/client.h
index 07945307cbe3c28d1c34f9ce26c037e94f6e9c3b..e67d827a1ddc2a40c0149a017903d61c942a6ead 100644 (file)
--- a/client.h
+++ b/client.h
@@ -1396,6 +1396,9 @@ extern cvar_t cl_particles_size;
 extern cvar_t cl_particles_quake;
 extern cvar_t cl_particles_blood;
 extern cvar_t cl_particles_blood_alpha;
+extern cvar_t cl_particles_blood_decal_alpha;
+extern cvar_t cl_particles_blood_decal_scalemin;
+extern cvar_t cl_particles_blood_decal_scalemax;
 extern cvar_t cl_particles_blood_bloodhack;
 extern cvar_t cl_particles_bulletimpacts;
 extern cvar_t cl_particles_explosions_sparks;

diff --git a/clvm_cmds.c b/clvm_cmds.c
index 393531ea7069628c5f1d11ea568e35d9d1543cec..32e0300f4010e333075bc8ea7b58ed1b0a5e0c38 100644 (file)
--- a/clvm_cmds.c
+++ b/clvm_cmds.c
@@ -2655,12 +2655,12 @@ void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme)
        *vmpartspawner.particle_velocityjitter = theme->velocityjitter;
        *vmpartspawner.particle_qualityreduction = theme->qualityreduction;
        *vmpartspawner.particle_stretch = theme->stretch;
-       vmpartspawner.particle_staincolor1[0] = (theme->staincolor1 >> 16) & 0xFF;
-       vmpartspawner.particle_staincolor1[1] = (theme->staincolor1 >> 8) & 0xFF;
-       vmpartspawner.particle_staincolor1[2] = (theme->staincolor1 >> 0) & 0xFF;
-       vmpartspawner.particle_staincolor2[0] = (theme->staincolor2 >> 16) & 0xFF;
-       vmpartspawner.particle_staincolor2[1] = (theme->staincolor2 >> 8) & 0xFF;
-       vmpartspawner.particle_staincolor2[2] = (theme->staincolor2 >> 0) & 0xFF;
+       vmpartspawner.particle_staincolor1[0] = ((int)theme->staincolor1 >> 16) & 0xFF;
+       vmpartspawner.particle_staincolor1[1] = ((int)theme->staincolor1 >> 8) & 0xFF;
+       vmpartspawner.particle_staincolor1[2] = ((int)theme->staincolor1 >> 0) & 0xFF;
+       vmpartspawner.particle_staincolor2[0] = ((int)theme->staincolor2 >> 16) & 0xFF;
+       vmpartspawner.particle_staincolor2[1] = ((int)theme->staincolor2 >> 8) & 0xFF;
+       vmpartspawner.particle_staincolor2[2] = ((int)theme->staincolor2 >> 0) & 0xFF;
        *vmpartspawner.particle_staintex = (float)theme->staintex;
        *vmpartspawner.particle_delayspawn = theme->delayspawn;
        *vmpartspawner.particle_delaycollision = theme->delaycollision;
@@ -2688,8 +2688,8 @@ void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme)
        theme->velocityjitter = *vmpartspawner.particle_velocityjitter;
        theme->qualityreduction = (*vmpartspawner.particle_qualityreduction) ? true : false;
        theme->stretch = *vmpartspawner.particle_stretch;
-       theme->staincolor1 = vmpartspawner.particle_staincolor1[0]*65536 + vmpartspawner.particle_staincolor1[1]*256 + vmpartspawner.particle_staincolor1[2];
-       theme->staincolor2 = vmpartspawner.particle_staincolor2[0]*65536 + vmpartspawner.particle_staincolor2[1]*256 + vmpartspawner.particle_staincolor2[2];
+       theme->staincolor1 = ((int)vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]);
+       theme->staincolor2 = (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]);
        theme->staintex =(int)*vmpartspawner.particle_staintex;
        theme->delayspawn = *vmpartspawner.particle_delayspawn;
        theme->delaycollision = *vmpartspawner.particle_delaycollision;
@@ -2839,7 +2839,7 @@ void VM_CL_SpawnParticle (void)
        
        if (prog->argc < 3) // global-set particle
        {
-               part = CL_NewParticle((unsigned short)*vmpartspawner.particle_type, ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]), ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]), (int)*vmpartspawner.particle_tex, *vmpartspawner.particle_size, *vmpartspawner.particle_sizeincrease, (int)(*vmpartspawner.particle_alpha*256), (int)(*vmpartspawner.particle_alphafade*256), *vmpartspawner.particle_gravity, *vmpartspawner.particle_bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], *vmpartspawner.particle_airfriction, *vmpartspawner.particle_liquidfriction, *vmpartspawner.particle_originjitter, *vmpartspawner.particle_velocityjitter, (*vmpartspawner.particle_qualityreduction) ? true : false, *vmpartspawner.particle_time, *vmpartspawner.particle_stretch, (pblend_t)*vmpartspawner.particle_blendmode, (porientation_t)*vmpartspawner.particle_orientation, ((int)vmpartspawner.particle_staincolor1[0] << 16) + ((int)vmpartspawner.particle_staincolor1[1] << 8) + ((int)vmpartspawner.particle_staincolor1[2]), ((int)vmpartspawner.particle_staincolor2[0] << 16) + ((int)vmpartspawner.particle_staincolor2[1] << 8) + ((int)vmpartspawner.particle_staincolor2[2]), (int)*vmpartspawner.particle_staintex);
+               part = CL_NewParticle((unsigned short)*vmpartspawner.particle_type, ((int)(vmpartspawner.particle_color1[0]) << 16) + ((int)(vmpartspawner.particle_color1[1]) << 8) + ((int)(vmpartspawner.particle_color1[2])), ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]), (int)*vmpartspawner.particle_tex, *vmpartspawner.particle_size, *vmpartspawner.particle_sizeincrease, (int)(*vmpartspawner.particle_alpha*256), (int)(*vmpartspawner.particle_alphafade*256), *vmpartspawner.particle_gravity, *vmpartspawner.particle_bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], *vmpartspawner.particle_airfriction, *vmpartspawner.particle_liquidfriction, *vmpartspawner.particle_originjitter, *vmpartspawner.particle_velocityjitter, (*vmpartspawner.particle_qualityreduction) ? true : false, *vmpartspawner.particle_time, *vmpartspawner.particle_stretch, (pblend_t)*vmpartspawner.particle_blendmode, (porientation_t)*vmpartspawner.particle_orientation, (int)(vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]), (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]), (int)*vmpartspawner.particle_staintex);
                if (!part)
                {
                        PRVM_G_FLOAT(OFS_RETURN) = 0;