optimized SHOWLMP code (only used by Nehahra) to not eat any CPU time

[xonotic/darkplaces.git] / cl_screen.c

diff --git a/cl_screen.c b/cl_screen.c
index c157602dbd7eb3490bc6b5e4c115554c7d9d6092..ab5bafc644bc67ae2e466fb8693e9b33db39028c 100644 (file)
--- a/cl_screen.c
+++ b/cl_screen.c
@@ -1707,36 +1707,22 @@ static void R_Envmap_f (void)
 
 //=============================================================================
 
-// LordHavoc: SHOWLMP stuff
-#define SHOWLMP_MAXLABELS 256
-typedef struct showlmp_s
-{
-       qboolean        isactive;
-       float           x;
-       float           y;
-       char            label[32];
-       char            pic[128];
-}
-showlmp_t;
-
-showlmp_t showlmp[SHOWLMP_MAXLABELS];
-
 void SHOWLMP_decodehide(void)
 {
        int i;
        char *lmplabel;
        lmplabel = MSG_ReadString();
-       for (i = 0;i < SHOWLMP_MAXLABELS;i++)
-               if (showlmp[i].isactive && strcmp(showlmp[i].label, lmplabel) == 0)
+       for (i = 0;i < cl.num_showlmps;i++)
+               if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
                {
-                       showlmp[i].isactive = false;
+                       cl.showlmps[i].isactive = false;
                        return;
                }
 }
 
 void SHOWLMP_decodeshow(void)
 {
-       int i, k;
+       int k;
        char lmplabel[256], picname[256];
        float x, y;
        strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
@@ -1751,41 +1737,37 @@ void SHOWLMP_decodeshow(void)
                x = MSG_ReadShort();
                y = MSG_ReadShort();
        }
-       k = -1;
-       for (i = 0;i < SHOWLMP_MAXLABELS;i++)
-               if (showlmp[i].isactive)
-               {
-                       if (strcmp(showlmp[i].label, lmplabel) == 0)
-                       {
-                               k = i;
-                               break; // drop out to replace it
-                       }
-               }
-               else if (k < 0) // find first empty one to replace
-                       k = i;
-       if (k < 0)
-               return; // none found to replace
-       // change existing one
-       showlmp[k].isactive = true;
-       strlcpy (showlmp[k].label, lmplabel, sizeof (showlmp[k].label));
-       strlcpy (showlmp[k].pic, picname, sizeof (showlmp[k].pic));
-       showlmp[k].x = x;
-       showlmp[k].y = y;
+       if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
+       {
+               showlmp_t *oldshowlmps = cl.showlmps;
+               cl.max_showlmps += 16;
+               cl.showlmps = Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
+               if (cl.num_showlmps)
+                       memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
+               if (oldshowlmps)
+                       Mem_Free(oldshowlmps);
+       }
+       for (k = 0;k < cl.max_showlmps;k++)
+               if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
+                       break;
+       if (k == cl.max_showlmps)
+               for (k = 0;k < cl.max_showlmps;k++)
+                       if (!cl.showlmps[k].isactive)
+                               break;
+       cl.showlmps[k].isactive = true;
+       strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
+       strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
+       cl.showlmps[k].x = x;
+       cl.showlmps[k].y = y;
+       cl.num_showlmps = max(cl.num_showlmps, k + 1);
 }
 
 void SHOWLMP_drawall(void)
 {
        int i;
-       for (i = 0;i < SHOWLMP_MAXLABELS;i++)
-               if (showlmp[i].isactive)
-                       DrawQ_Pic(showlmp[i].x, showlmp[i].y, Draw_CachePic(showlmp[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
-}
-
-void SHOWLMP_clear(void)
-{
-       int i;
-       for (i = 0;i < SHOWLMP_MAXLABELS;i++)
-               showlmp[i].isactive = false;
+       for (i = 0;i < cl.num_showlmps;i++)
+               if (cl.showlmps[i].isactive)
+                       DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic(cl.showlmps[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
 }
 
 /*
@@ -1875,7 +1857,7 @@ void SCR_DrawScreen (void)
        R_Mesh_Start();
 
        if (r_timereport_active)
-               R_TimeReport("setup");
+               R_TimeReport("screensetup");
 
        R_UpdateVariables();
 
@@ -2139,7 +2121,8 @@ void CL_UpdateScreen(void)
        qglDepthMask(1);CHECKGLERROR
        qglColorMask(1,1,1,1);CHECKGLERROR
        qglClearColor(0,0,0,0);CHECKGLERROR
-       qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
+       R_ClearScreen();
+       r_view.clear = false;
 
        if(scr_stipple.integer)
        {
@@ -2164,7 +2147,7 @@ void CL_UpdateScreen(void)
                qglDisable(GL_POLYGON_STIPPLE);
 
        if (r_timereport_active)
-               R_TimeReport("clear");
+               R_TimeReport("screenclear");
 
        qglDrawBuffer(GL_BACK);
 
@@ -2222,5 +2205,4 @@ void CL_UpdateScreen(void)
 
 void CL_Screen_NewMap(void)
 {
-       SHOWLMP_clear();
 }