missed this one...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@187 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/cl_effects.c b/cl_effects.c
new file mode 100644 (file)
index 0000000..61630a2
--- /dev/null
+++ b/cl_effects.c
@@ -0,0 +1,133 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "quakedef.h"
+
+#define MAX_EFFECTS 256
+
+typedef struct effect_s
+{
+       int active;
+       vec3_t origin;
+       float starttime;
+       float framerate;
+       int modelindex;
+       int startframe;
+       int endframe;
+       // these are for interpolation
+       int frame;
+       double frame1start;
+       double frame2start;
+}
+effect_t;
+
+effect_t effect[MAX_EFFECTS];
+
+cvar_t r_draweffects = {"r_draweffects", "1"};
+
+void r_effects_start()
+{
+       memset(effect, 0, sizeof(effect));
+}
+
+void r_effects_shutdown()
+{
+}
+
+void CL_Effects_Init()
+{
+       Cvar_RegisterVariable(&r_draweffects);
+
+       R_RegisterModule("R_Effects", r_effects_start, r_effects_shutdown);
+}
+
+void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
+{
+       int i;
+       effect_t *e;
+       if (!modelindex) // sanity check
+               return;
+       for (i = 0, e = effect;i < MAX_EFFECTS;i++, e++)
+       {
+               if (e->active)
+                       continue;
+               e->active = true;
+               VectorCopy(org, e->origin);
+               e->modelindex = modelindex;
+               e->starttime = cl.time;
+               e->startframe = startframe;
+               e->endframe = startframe + framecount;
+               e->framerate = framerate;
+
+               e->frame = 0;
+               e->frame1start = cl.time;
+               e->frame2start = cl.time;
+               break;
+       }
+}
+
+void CL_DoEffects()
+{
+       int i, intframe;
+       effect_t *e;
+       entity_t *vis;
+       float frame;
+
+       for (i = 0, e = effect;i < MAX_EFFECTS;i++, e++)
+       {
+               if (e->active)
+               {
+                       frame = (cl.time - e->starttime) * e->framerate + e->startframe;
+                       intframe = frame;
+                       if (intframe < 0 || intframe >= e->endframe)
+                       {
+                               e->active = false;
+                               memset(e, 0, sizeof(*e));
+                               continue;
+                       }
+
+                       if (intframe != e->frame)
+                       {
+                               e->frame = intframe;
+                               e->frame1start = e->frame2start;
+                               e->frame2start = cl.time;
+                       }
+
+                       vis = CL_NewTempEntity();
+                       if (!vis)
+                               continue;
+                       VectorCopy(e->origin, vis->origin);
+                       vis->lerp_model = vis->model = cl.model_precache[e->modelindex];
+                       vis->frame1 = e->frame;
+                       vis->frame2 = e->frame + 1;
+                       if (vis->frame2 >= e->endframe)
+                               vis->frame2 = -1; // disappear
+                       vis->frame = vis->frame2;
+                       vis->framelerp = frame - vis->frame1;
+                       vis->frame1start = e->frame1start;
+                       vis->frame2start = e->frame2start;
+                       vis->lerp_starttime = -1;
+                       vis->colormap = -1; // no special coloring
+                       vis->scale = 1;
+                       vis->alpha = 1;
+                       vis->colormod[0] = vis->colormod[1] = vis->colormod[2] = 1;
+               }
+       }
+}