moved ixtable definition and initialization code to mathlib (and added Mathlib_Init...
[xonotic/darkplaces.git] / gl_rmain.c
index 0214b507e1f1abf8adb6bc2b096e6cf2504949f0..f11072eb68f8b08172ad354c7dd510e7c50c0c52 100644 (file)
@@ -21,8 +21,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
-entity_t       r_worldentity;
-
 qboolean       r_cache_thrash;         // compatability
 
 vec3_t         modelorg, r_entorigin;
@@ -34,7 +32,7 @@ mplane_t      frustum[4];
 
 int                    c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
 
-qboolean       envmap;                         // true during envmap command capture 
+qboolean       envmap;                         // true during envmap command capture
 
 // LordHavoc: moved all code related to particles into r_part.c
 //int                  particletexture;        // little dot for particles
@@ -60,57 +58,60 @@ mleaf_t             *r_viewleaf, *r_oldviewleaf;
 
 unsigned short d_lightstylevalue[256]; // 8.8 fraction of base light value
 
-
 void R_MarkLeaves (void);
 
-//cvar_t       r_norefresh = {"r_norefresh","0"};
-cvar_t r_drawentities = {"r_drawentities","1"};
-cvar_t r_drawviewmodel = {"r_drawviewmodel","1"};
-cvar_t r_speeds = {"r_speeds","0"};
-cvar_t r_speeds2 = {"r_speeds2","0"};
-cvar_t r_fullbright = {"r_fullbright","0"};
-//cvar_t       r_lightmap = {"r_lightmap","0"};
-cvar_t r_wateralpha = {"r_wateralpha","1"};
-cvar_t r_dynamic = {"r_dynamic","1"};
-cvar_t r_waterripple = {"r_waterripple","0"};
-cvar_t r_fullbrights = {"r_fullbrights", "1"};
-
-cvar_t gl_lightmode = {"gl_lightmode", "1", true}; // LordHavoc: overbright lighting
-//cvar_t       r_dynamicbothsides = {"r_dynamicbothsides", "1"}; // LordHavoc: can disable dynamic lighting of backfaces, but quake maps are weird so it doesn't always work right...
-cvar_t r_farclip = {"r_farclip", "6144"};
-
-cvar_t gl_fogenable = {"gl_fogenable", "0"};
-cvar_t gl_fogdensity = {"gl_fogdensity", "0.25"};
-cvar_t gl_fogred = {"gl_fogred","0.3"};
-cvar_t gl_foggreen = {"gl_foggreen","0.3"};
-cvar_t gl_fogblue = {"gl_fogblue","0.3"};
-cvar_t gl_fogstart = {"gl_fogstart", "0"};
-cvar_t gl_fogend = {"gl_fogend","0"};
-cvar_t glfog = {"glfog", "0"};
+//cvar_t       r_norefresh = {0, "r_norefresh","0"};
+cvar_t r_drawentities = {0, "r_drawentities","1"};
+cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1"};
+cvar_t r_speeds = {0, "r_speeds","0"};
+cvar_t r_speeds2 = {0, "r_speeds2","0"};
+cvar_t r_fullbright = {0, "r_fullbright","0"};
+//cvar_t       r_lightmap = {0, "r_lightmap","0"};
+cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
+cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1"};
+cvar_t r_waterripple = {CVAR_SAVE, "r_waterripple","0"};
+cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1"};
+
+cvar_t gl_lightmode = {CVAR_SAVE, "gl_lightmode", "1"}; // LordHavoc: overbright lighting
+//cvar_t       r_dynamicbothsides = {CVAR_SAVE, "r_dynamicbothsides", "1"}; // LordHavoc: can disable dynamic lighting of backfaces, but quake maps are weird so it doesn't always work right...
+cvar_t r_farclip = {0, "r_farclip", "6144"}; // FIXME: make this go away (calculate based on farthest visible object/polygon)
+
+cvar_t gl_fogenable = {0, "gl_fogenable", "0"};
+cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25"};
+cvar_t gl_fogred = {0, "gl_fogred","0.3"};
+cvar_t gl_foggreen = {0, "gl_foggreen","0.3"};
+cvar_t gl_fogblue = {0, "gl_fogblue","0.3"};
+cvar_t gl_fogstart = {0, "gl_fogstart", "0"};
+cvar_t gl_fogend = {0, "gl_fogend","0"};
+cvar_t glfog = {0, "glfog", "0"};
+
+cvar_t r_ser = {CVAR_SAVE, "r_ser", "1"};
 
+/*
 int R_VisibleCullBox (vec3_t mins, vec3_t maxs)
 {
        int sides;
        mnode_t *nodestack[8192], *node;
        int stack = 0;
 
-       if (R_CullBox(mins, maxs))
-               return true;
-
        node = cl.worldmodel->nodes;
 loc0:
        if (node->contents < 0)
        {
                if (((mleaf_t *)node)->visframe == r_framecount)
+               {
+                       if (R_CullBox(mins, maxs))
+                               return true;
                        return false;
+               }
                if (!stack)
                        return true;
                node = nodestack[--stack];
                goto loc0;
        }
-       
+
        sides = BOX_ON_PLANE_SIDE(mins, maxs, node->plane);
-       
+
 // recurse down the contacted sides
        if (sides & 1)
        {
@@ -131,6 +132,7 @@ loc0:
        node = node->children[1];
        goto loc0;
 }
+*/
 
 qboolean lighthalf;
 
@@ -242,7 +244,7 @@ void FOG_registercvars(void)
                Cvar_RegisterVariable (&gl_fogenable);
                Cvar_RegisterVariable (&gl_fogdensity);
                Cvar_RegisterVariable (&gl_fogred);
-               Cvar_RegisterVariable (&gl_foggreen); 
+               Cvar_RegisterVariable (&gl_foggreen);
                Cvar_RegisterVariable (&gl_fogblue);
                Cvar_RegisterVariable (&gl_fogstart);
                Cvar_RegisterVariable (&gl_fogend);
@@ -274,12 +276,14 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable (&r_fullbrights);
        Cvar_RegisterVariable (&r_wateralpha);
        Cvar_RegisterVariable (&r_dynamic);
-       Cvar_RegisterVariable (&r_waterripple); // LordHavoc: added waterripple
+       Cvar_RegisterVariable (&r_waterripple);
+       Cvar_RegisterVariable (&r_farclip);
        if (nehahra)
                Cvar_SetValue("r_fullbrights", 0);
 //     if (gl_vendor && strstr(gl_vendor, "3Dfx"))
 //             gl_lightmode.value = 0;
        Cvar_RegisterVariable (&r_fullbright);
+       Cvar_RegisterVariable (&r_ser);
        R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
 }
 
@@ -295,10 +299,13 @@ extern void R_Light_Init(void);
 extern void R_Particles_Init(void);
 extern void R_Explosion_Init(void);
 extern void CL_Effects_Init(void);
+extern void R_Clip_Init(void);
+extern void ui_init(void);
 
 void Render_Init(void)
 {
        R_Modules_Shutdown();
+       R_Clip_Init();
        GL_Draw_Init();
        GL_Main_Init();
        GL_Models_Init();
@@ -312,6 +319,7 @@ void Render_Init(void)
        R_Explosion_Init();
        CL_Effects_Init();
        R_Decals_Init();
+       ui_init();
        R_Modules_Start();
 }
 
@@ -371,9 +379,6 @@ float       modelalpha;
 
 //==================================================================================
 
-void R_DrawBrushModel (entity_t *e);
-void R_DrawSpriteModel (entity_t *e, frameblend_t *blend);
-
 void R_LerpUpdate(entity_t *ent)
 {
        int frame;
@@ -441,12 +446,62 @@ void R_PrepareEntities (void)
        }
 }
 
+void R_Entity_Callback(void *data, void *junk)
+{
+       ((entity_t *)data)->render.visframe = r_framecount;
+}
+
+void R_AddModelEntities (void)
+{
+       int             i;
+       vec3_t  mins, maxs;
+       frameblend_t blend[4];
+
+       if (!r_drawentities.value)
+               return;
+
+       for (i = 0;i < cl_numvisedicts;i++)
+       {
+               currententity = cl_visedicts[i];
+               if (currententity->render.model->type == mod_brush)
+               {
+                       modelalpha = currententity->render.alpha;
+                       R_DrawBrushModel (currententity);
+               }
+               else if (currententity->render.model->type == mod_alias)
+               {
+                       VectorAdd(currententity->render.origin, currententity->render.model->mins, mins);
+                       VectorAdd(currententity->render.origin, currententity->render.model->maxs, maxs);
+                       if (r_ser.value)
+                               R_Clip_AddBox(mins, maxs, R_Entity_Callback, currententity, NULL);
+                       else if (R_NotCulledBox(mins, maxs))
+                               currententity->render.visframe = r_framecount;
+               }
+               else if (currententity->render.model->type == mod_sprite)
+               {
+                       R_LerpUpdate(currententity);
+                       if (r_ser.value)
+                       {
+                               R_LerpAnimation(currententity->render.model, currententity->render.frame1, currententity->render.frame2, currententity->render.frame1start, currententity->render.frame2start, currententity->render.framelerp, blend);
+                               R_ClipSprite(currententity, blend);
+                       }
+                       else
+                       {
+                               VectorAdd(currententity->render.origin, currententity->render.model->mins, mins);
+                               VectorAdd(currententity->render.origin, currententity->render.model->maxs, maxs);
+                               if (R_NotCulledBox(mins, maxs))
+                                       currententity->render.visframe = r_framecount;
+                       }
+               }
+       }
+}
+
 /*
 =============
 R_DrawEntitiesOnList
 =============
 */
-// LordHavoc: split so bmodels are rendered before any other objects
+/*
 void R_DrawEntitiesOnList1 (void)
 {
        int             i;
@@ -456,6 +511,8 @@ void R_DrawEntitiesOnList1 (void)
 
        for (i = 0;i < cl_numvisedicts;i++)
        {
+               if (cl_visedicts[i]->render.visframe != r_framecount)
+                       continue;
                if (cl_visedicts[i]->render.model->type != mod_brush)
                        continue;
                currententity = cl_visedicts[i];
@@ -464,37 +521,55 @@ void R_DrawEntitiesOnList1 (void)
                R_DrawBrushModel (currententity);
        }
 }
+*/
 
-void R_DrawEntitiesOnList2 (void)
+void R_DrawModels (void)
 {
        int             i;
        frameblend_t blend[4];
+//     vec3_t  mins, maxs;
 
        if (!r_drawentities.value)
                return;
 
        for (i = 0;i < cl_numvisedicts;i++)
        {
+               if (cl_visedicts[i]->render.visframe != r_framecount)
+                       continue;
                currententity = cl_visedicts[i];
+               if (currententity->render.model->type != mod_alias && currententity->render.model->type != mod_sprite)
+                       continue;
+
                modelalpha = currententity->render.alpha;
 
-               switch (currententity->render.model->type)
+               if (currententity->render.model->type == mod_alias)
                {
-               case mod_alias:
+                       // only lerp models here because sprites were already lerped for their clip polygon
                        R_LerpUpdate(currententity);
                        R_LerpAnimation(currententity->render.model, currententity->render.frame1, currententity->render.frame2, currententity->render.frame1start, currententity->render.frame2start, currententity->render.framelerp, blend);
                        R_DrawAliasModel (currententity, true, modelalpha, currententity->render.model, blend, currententity->render.skinnum, currententity->render.origin, currententity->render.angles, currententity->render.scale, currententity->render.effects, currententity->render.model->flags, currententity->render.colormap);
-                       break;
-
-               case mod_sprite:
-                       R_LerpUpdate(currententity);
+               }
+               else //if (currententity->render.model->type == mod_sprite)
+               {
+                       // build blend array
                        R_LerpAnimation(currententity->render.model, currententity->render.frame1, currententity->render.frame2, currententity->render.frame1start, currententity->render.frame2start, currententity->render.framelerp, blend);
                        R_DrawSpriteModel (currententity, blend);
-                       break;
+               }
 
-               default:
+               /*
+               VectorAdd(cl_visedicts[i]->render.origin, cl_visedicts[i]->render.model->mins, mins);
+               VectorAdd(cl_visedicts[i]->render.origin, cl_visedicts[i]->render.model->maxs, maxs);
+
+               switch (cl_visedicts[i]->render.model->type)
+               {
+               case mod_alias:
+                       R_Clip_AddBox(mins, maxs, R_DrawModelCallback, cl_visedicts[i], NULL);
+                       break;
+               case mod_sprite:
+                       R_Clip_AddBox(mins, maxs, R_DrawSpriteCallback, cl_visedicts[i], NULL);
                        break;
                }
+               */
        }
 }
 
@@ -533,7 +608,11 @@ void R_SetFrustum (void)
 {
        int             i;
 
-       if (r_refdef.fov_x == 90) 
+       // LordHavoc: note to all quake engine coders, this code was making the
+       // view frustum taller than it should have been (it assumed the view is
+       // square; it is not square), so I disabled it
+       /*
+       if (r_refdef.fov_x == 90)
        {
                // front side is visible
 
@@ -545,6 +624,7 @@ void R_SetFrustum (void)
        }
        else
        {
+       */
                // rotate VPN right by FOV_X/2 degrees
                RotatePointAroundVector( frustum[0].normal, vup, vpn, -(90-r_refdef.fov_x / 2 ) );
                // rotate VPN left by FOV_X/2 degrees
@@ -553,14 +633,14 @@ void R_SetFrustum (void)
                RotatePointAroundVector( frustum[2].normal, vright, vpn, 90-r_refdef.fov_y / 2 );
                // rotate VPN down by FOV_X/2 degrees
                RotatePointAroundVector( frustum[3].normal, vright, vpn, -( 90 - r_refdef.fov_y / 2 ) );
-       }
+       //}
 
        for (i=0 ; i<4 ; i++)
        {
                frustum[i].type = PLANE_ANYZ;
                frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
 //             frustum[i].signbits = SignbitsForPlane (&frustum[i]);
-               BoxOnPlaneSideClassify(&frustum[i]);
+               PlaneClassify(&frustum[i]);
        }
 }
 
@@ -782,16 +862,6 @@ void GL_BlendView(void)
        glEnable(GL_TEXTURE_2D);
 }
 
-#define TIMEREPORT(VAR) \
-       if (r_speeds2.value)\
-       {\
-               temptime = currtime;\
-               currtime = Sys_DoubleTime();\
-               VAR = (int) ((currtime - temptime) * 1000000.0);\
-       }\
-       else\
-               VAR = 0;
-
 /*
 ================
 R_RenderView
@@ -801,33 +871,88 @@ r_refdef must be set before the first call
 */
 extern void R_Sky(void);
 extern void UploadLightmaps(void);
-char r_speeds2_string1[81], r_speeds2_string2[81], r_speeds2_string3[81], r_speeds2_string4[81], r_speeds2_string5[81], r_speeds2_string6[81], r_speeds2_string7[81];
+extern void R_DrawSurfaces(void);
+extern void R_DrawPortals(void);
+char r_speeds2_string[1024];
+int speedstringcount;
+
+void timestring(int t, char *desc)
+{
+       char tempbuf[256];
+       int length;
+       if (t < 1000000)
+               sprintf(tempbuf, " %6ius %s", t, desc);
+       else
+               sprintf(tempbuf, " %6ims %s", t / 1000, desc);
+       length = strlen(tempbuf);
+//     while (length < 20)
+//             tempbuf[length++] = ' ';
+//     tempbuf[length] = 0;
+       if (speedstringcount + length > 80)
+       {
+               strcat(r_speeds2_string, "\n");
+               speedstringcount = 0;
+       }
+       // skip the space at the beginning if it's the first on the line
+       if (speedstringcount == 0)
+       {
+               strcat(r_speeds2_string, tempbuf + 1);
+               speedstringcount = length - 1;
+       }
+       else
+       {
+               strcat(r_speeds2_string, tempbuf);
+               speedstringcount += length;
+       }
+}
+
+#define TIMEREPORT(NAME) \
+       if (r_speeds2.value)\
+       {\
+               temptime = currtime;\
+               currtime = Sys_DoubleTime();\
+               timestring((int) ((currtime - temptime) * 1000000.0), NAME);\
+       }
+
 void R_RenderView (void)
 {
        double starttime, currtime, temptime;
-       int time_clear, time_setup, time_world, time_bmodels, time_upload, time_sky, time_wall, time_models, time_moveparticles, time_drawparticles, time_moveexplosions, time_drawexplosions, time_drawdecals, time_transpoly, time_blend, time_total;
 //     if (r_norefresh.value)
 //             return;
 
-       if (!r_worldentity.render.model || !cl.worldmodel)
+       if (!cl.worldmodel)
                Host_Error ("R_RenderView: NULL worldmodel");
 
-       lighthalf = gl_lightmode.value;
-
-       FOG_framebegin();
-
        if (r_speeds2.value)
+       {
                starttime = currtime = Sys_DoubleTime();
+
+               speedstringcount = 0;
+               sprintf(r_speeds2_string, "org:'%c%6.2f %c%6.2f %c%6.2f' ang:'%c%3.0f %c%3.0f %c%3.0f' dir:'%c%2.3f %c%2.3f %c%2.3f'\n%6i walls %6i dlitwalls %7i modeltris %7i transpoly\nBSP: %6i faces %6i nodes %6i leafs\n%4i models %4i bmodels %4i sprites %5i particles %3i dlights\n",
+                       r_origin[0] < 0 ? '-' : ' ', fabs(r_origin[0]), r_origin[1] < 0 ? '-' : ' ', fabs(r_origin[1]), r_origin[2] < 0 ? '-' : ' ', fabs(r_origin[2]), r_refdef.viewangles[0] < 0 ? '-' : ' ', fabs(r_refdef.viewangles[0]), r_refdef.viewangles[1] < 0 ? '-' : ' ', fabs(r_refdef.viewangles[1]), r_refdef.viewangles[2] < 0 ? '-' : ' ', fabs(r_refdef.viewangles[2]), vpn[0] < 0 ? '-' : ' ', fabs(vpn[0]), vpn[1] < 0 ? '-' : ' ', fabs(vpn[1]), vpn[2] < 0 ? '-' : ' ', fabs(vpn[2]),
+                       c_brush_polys, c_light_polys, c_alias_polys, currenttranspoly,
+                       c_faces, c_nodes, c_leafs,
+                       c_models, c_bmodels, c_sprites, c_particles, c_dlights);
+       }
        else
                starttime = currtime = 0;
+
+       R_MoveParticles ();
+       R_MoveExplosions();
+
+       lighthalf = gl_lightmode.value;
+
+       FOG_framebegin();
+
        R_Clear();
-       TIMEREPORT(time_clear)
+       TIMEREPORT("clear     ")
 
        // render normal view
 
        R_SetupFrame ();
        R_SetFrustum ();
        R_SetupGL ();
+       R_Clip_StartFrame();
 
        R_PrepareEntities();
 
@@ -835,60 +960,62 @@ void R_RenderView (void)
        wallpolyclear();
        transpolyclear();
 
-       TIMEREPORT(time_setup)
+       TIMEREPORT("setup     ")
 
        R_DrawWorld ();
-       TIMEREPORT(time_world)
-       R_DrawEntitiesOnList1 (); // BSP models
-       TIMEREPORT(time_bmodels)
+       TIMEREPORT("world     ")
+
+       R_AddModelEntities();
+       TIMEREPORT("addmodels")
+
+       R_Clip_EndFrame();
+       TIMEREPORT("scanedge  ")
+
+       // now mark the lit surfaces
+       R_PushDlights ();
+       // yes this does add the world surfaces after the brush models
+       R_DrawSurfaces ();
+       R_DrawPortals ();
+       TIMEREPORT("surfaces  ");
 
        UploadLightmaps();
-       TIMEREPORT(time_upload)
+       TIMEREPORT("uploadlmap")
 
-       skypolyrender(); // fogged sky polys, affects depth
+       // fogged sky polys, affects depth
+       skypolyrender();
 
+       // does not affect depth, draws over the sky polys
        if (currentskypoly)
-               R_Sky(); // does not affect depth, draws over the sky polys
-       TIMEREPORT(time_sky)
+               R_Sky();
+       TIMEREPORT("skypoly   ")
 
        wallpolyrender();
-       TIMEREPORT(time_wall)
+       TIMEREPORT("wallpoly  ")
 
        GL_DrawDecals();
-       TIMEREPORT(time_drawdecals)
+       TIMEREPORT("ddecal    ")
 
+       // don't let sound skip if going slow
        if (!intimerefresh && !r_speeds2.value)
-               S_ExtraUpdate ();       // don't let sound get messed up if going slow
+               S_ExtraUpdate ();
 
-       R_DrawEntitiesOnList2 (); // other models
-//     R_RenderDlights ();
        R_DrawViewModel ();
-       TIMEREPORT(time_models)
-       R_MoveParticles ();
-       TIMEREPORT(time_moveparticles)
+       R_DrawModels ();
+       TIMEREPORT("models    ")
+
        R_DrawParticles ();
-       TIMEREPORT(time_drawparticles)
-       R_MoveExplosions();
-       TIMEREPORT(time_moveexplosions)
+       TIMEREPORT("dparticles")
        R_DrawExplosions();
-       TIMEREPORT(time_drawexplosions)
+       TIMEREPORT("dexplosion")
 
        transpolyrender();
-       TIMEREPORT(time_transpoly)
+       TIMEREPORT("transpoly ")
 
        FOG_frameend();
 
        GL_BlendView();
-       TIMEREPORT(time_blend)
+       TIMEREPORT("blend     ")
+
        if (r_speeds2.value)
-       {
-               time_total = (int) ((Sys_DoubleTime() - starttime) * 1000000.0);
-               sprintf(r_speeds2_string1, "%6i walls %6i dlitwalls %7i modeltris %7i transpoly\n", c_brush_polys, c_light_polys, c_alias_polys, currenttranspoly);
-               sprintf(r_speeds2_string2, "BSP: %6i faces %6i nodes %6i leafs\n", c_faces, c_nodes, c_leafs);
-               sprintf(r_speeds2_string3, "%4i models %4i bmodels %4i sprites %5i particles %3i dlights\n", c_models, c_bmodels, c_sprites, c_particles, c_dlights);
-               sprintf(r_speeds2_string4, "%6ius clear  %6ius setup  %6ius world  %6ius bmodel %6ius upload", time_clear, time_setup, time_world, time_bmodels, time_upload);
-               sprintf(r_speeds2_string5, "%6ius sky    %6ius wall   %6ius models %6ius mpart  %6ius dpart ", time_sky, time_wall, time_models, time_moveparticles, time_drawparticles);
-               sprintf(r_speeds2_string6, "%6ius mexplo %6ius dexplo %6ius decals %6ius trans  %6ius blend ", time_moveexplosions, time_drawexplosions, time_drawdecals, time_transpoly, time_blend);
-               sprintf(r_speeds2_string7, "%6ius permdl %6ius total ", time_models / max(c_models, 1), time_total);
-       }
+               timestring((int) ((Sys_DoubleTime() - starttime) * 1000000.0), "total    ");
 }