Add ‘gl_partstyle’ variable.

savvykms · Nov 29, 2012 · f367840 · f367840
1 parent 2c327f4
commit f367840
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Showing 4 changed files with 15 additions and 1 deletion.
diff --git a/doc/client.txt b/doc/client.txt
@@ -533,6 +533,11 @@ gl_drawsky::
 gl_partscale::
     Specifies minimum size of particles. Default value is 2.
 
+gl_partstyle::
+    Specifies drawing style of particles. Default value is 0.
+      - 0 — blend colors
+      - 1 — saturate colors
+
 gl_celshading::
     Enables drawing black contour lines around 3D models (aka ‘celshading’).
     Value of this variable specifies thickness of the lines drawn. Default

diff --git a/src/refresh/gl/gl.h b/src/refresh/gl/gl.h
@@ -120,6 +120,7 @@ extern statCounters_t c;
 
 // regular variables
 extern cvar_t *gl_partscale;
+extern cvar_t *gl_partstyle;
 extern cvar_t *gl_celshading;
 extern cvar_t *gl_dotshading;
 extern cvar_t *gl_shadows;

diff --git a/src/refresh/gl/main.c b/src/refresh/gl/main.c
@@ -34,6 +34,7 @@ int registration_sequence;
 
 // regular variables
 cvar_t *gl_partscale;
+cvar_t *gl_partstyle;
 cvar_t *gl_celshading;
 cvar_t *gl_dotshading;
 cvar_t *gl_shadows;
@@ -736,6 +737,7 @@ static void GL_Register(void)
 {
     // regular variables
     gl_partscale = Cvar_Get("gl_partscale", "2", 0);
+    gl_partstyle = Cvar_Get("gl_partstyle", "0", 0);
     gl_celshading = Cvar_Get("gl_celshading", "0", 0);
     gl_dotshading = Cvar_Get("gl_dotshading", "1", 0);
     gl_shadows = Cvar_Get("gl_shadows", "0", CVAR_ARCHIVE);

diff --git a/src/refresh/gl/tess.c b/src/refresh/gl/tess.c
@@ -92,14 +92,20 @@ void GL_DrawParticles(void)
     int numverts;
     vec_t *dst_vert;
     uint32_t *dst_color;
+    int blend;
 
     if (!glr.fd.num_particles) {
         return;
     }
 
+    if (gl_partstyle->integer)
+        blend = GLS_BLEND_ADD;
+    else
+        blend = GLS_BLEND_BLEND;
+
     GL_BindTexture(TEXNUM_PARTICLE);
     GL_TexEnv(GL_MODULATE);
-    GL_Bits(GLS_BLEND_BLEND | GLS_DEPTHMASK_FALSE);
+    GL_Bits(blend | GLS_DEPTHMASK_FALSE);
 
     qglEnableClientState(GL_COLOR_ARRAY);
     qglColorPointer(4, GL_UNSIGNED_BYTE, 0, tess.colors);