Light priority system.

git-svn-id: https://svn.eduke32.com/eduke32@1305 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/include/polymer.h

@@ -148,11 +148,12 @@ typedef struct      s_prprogrambit {
 // LIGHTS
 #define             PR_MAXLIGHTS            128
 #define             SHADOW_DEPTH_OFFSET     30
+#define             PR_MAXLIGHTPRIORITY     3
 
 typedef struct      s_prlight {
     int32_t         x, y, z, horiz, range;
     int16_t         angle, faderadius, radius, sector;
-    char            color[3];
+    char            color[3], priority;
     int8_t          minshade, maxshade;
     GLfloat         proj[16];
     GLfloat         transform[16];
@@ -324,7 +325,7 @@ static void         polymer_addlight(_prlight light);
 static int32_t      polymer_planeinlight(_prplane* plane, _prlight* light);
 static void         polymer_culllight(char lightindex);
 static void         polymer_prepareshadows(void);
-static void         polymer_dostaticlights(void);
+static void         polymer_applylights(void);
 // RENDER TARGETS
 static void         polymer_initrendertargets(int32_t count);
 

polymer/eduke32/build/src/engine.c

@@ -7526,7 +7526,7 @@ int32_t loadmaphack(char *filename)
             }
             spriteext[whichsprite].flags |= SPREXT_AWAY2;
             break;
-        case T_LIGHT:      // light sector x y z range r g b radius faderadius angle horiz minshade maxshade
+        case T_LIGHT:      // light sector x y z range r g b radius faderadius angle horiz minshade maxshade priority
         {
             int32_t value;
 
@@ -7558,6 +7558,8 @@ int32_t loadmaphack(char *filename)
             staticlights[staticlightcount].minshade = value;
             scriptfile_getnumber(script, &value);
             staticlights[staticlightcount].maxshade = value;
+            scriptfile_getnumber(script, &value);
+            staticlights[staticlightcount].priority = value;
 
             staticlightcount++;
             break;

polymer/eduke32/build/src/polymer.c

@@ -7,6 +7,7 @@
 
 // CVARS
 int32_t         pr_maxlightpasses = 5;
+int32_t         pr_maxlightpriority = PR_MAXLIGHTPRIORITY;
 int32_t         pr_fov = 426;           // appears to be the classic setting.
 int32_t         pr_billboardingmode = 1;
 int32_t         pr_verbosity = 1;       // 0: silent, 1: errors and one-times, 2: multiple-times, 3: flood
@@ -704,21 +705,7 @@ void                polymer_drawrooms(int32_t daposx, int32_t daposy, int32_t da
 
     polymer_resetlights();
 
-    polymer_dostaticlights();
-
-    i = 0;
-    while (i < gamelightcount)
-    {
-        polymer_addlight(gamelights[i]);
-        i++;
-    }
-
-    i = 0;
-    while (i < framelightcount)
-    {
-        polymer_addlight(framelights[i]);
-        i++;
-    }
+    polymer_applylights();
 
     depth = 0;
     polymer_prepareshadows();
@@ -3996,15 +3983,25 @@ static void         polymer_prepareshadows(void)
     sinviewingrangeglobalang = osinviewingrangeglobalang;
 }
 
-static void         polymer_dostaticlights(void)
+static void         polymer_applylights(void)
 {
-    int32_t         i;
+    int32_t         i, curpriority;
     _prlight        light;
     float           fade;
 
+    curpriority = 0;
+    while (curpriority < PR_MAXLIGHTPRIORITY)
+    {
         i = 0;
         while (i < staticlightcount)
         {
+            if ((staticlights[i].priority != curpriority) ||
+                (staticlights[i].priority > pr_maxlightpriority))
+            {
+                i++;
+                continue;
+            }
+
             if (staticlights[i].minshade == staticlights[i].maxshade)
                 polymer_addlight(staticlights[i]);
             else {
@@ -4027,6 +4024,36 @@ static void         polymer_dostaticlights(void)
             }
             i++;
         }
+
+        i = 0;
+        while (i < gamelightcount)
+        {
+            if ((gamelights[i].priority != curpriority) ||
+                (gamelights[i].priority > pr_maxlightpriority))
+            {
+                i++;
+                continue;
+            }
+
+            polymer_addlight(gamelights[i]);
+            i++;
+        }
+
+        i = 0;
+        while (i < framelightcount)
+        {
+            if ((framelights[i].priority != curpriority) ||
+                (framelights[i].priority > pr_maxlightpriority))
+            {
+                i++;
+                continue;
+            }
+
+            polymer_addlight(framelights[i]);
+            i++;
+        }
+        curpriority++;
+    }
 }
 
 // RENDER TARGETS

polymer/eduke32/source/actors.c

@@ -3583,6 +3583,8 @@ static void G_MoveActors(void)
             gamelights[gamelightcount].color[1] = 255;
             gamelights[gamelightcount].color[2] = 255;
 
+            gamelights[gamelightcount].priority = 0;
+
             gamelightcount++;
 
             if (ud.multimode < 2)

polymer/eduke32/source/game.c

@@ -7383,6 +7383,8 @@ PALONLY:
             framelights[framelightcount].color[1] = 80;
             framelights[framelightcount].color[2] = 0;
 
+            framelights[framelightcount].priority = 0;
+
             if ((DynamicTileMap[s->picnum] == ATOMICHEALTH__STATIC) ||
                 (DynamicTileMap[s->picnum] == FREEZEBLAST__STATIC))
             {
@@ -7430,6 +7432,8 @@ PALONLY:
             framelights[framelightcount].color[1] = 80;
             framelights[framelightcount].color[2] = 0;
 
+            framelights[framelightcount].priority = 0;
+
             framelightcount++;
 #endif
             break;
@@ -7451,6 +7455,8 @@ PALONLY:
             framelights[framelightcount].color[1] = 0;
             framelights[framelightcount].color[2] = 255;
 
+            framelights[framelightcount].priority = 0;
+
             framelightcount++;
 #endif
             break;