X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fopengl%2Fr_game.pas;h=641544f8e5978e35226f063bb8d953766c18725f;hb=04a627f372ad5aa1faf4b4b04b3f400c6f37329f;hp=ef03b2da7f7bfb90bef7dc7bef2a96f66aa8ec88;hpb=53a532345838de82821c8711ae5e2e35d34892c4;p=d2df-sdl.git

diff --git a/src/game/opengl/r_game.pas b/src/game/opengl/r_game.pas
index ef03b2d..641544f 100644
--- a/src/game/opengl/r_game.pas
+++ b/src/game/opengl/r_game.pas
@@ -33,7 +33,7 @@ implementation
     g_system, g_touch,
     MAPDEF, xprofiler, utils, wadreader,
     g_textures, e_input, e_sound,
-    g_language, g_console, g_menu, g_triggers, g_player, g_options, g_monsters, g_map, g_panel, g_window,
+    g_language, g_console, g_menu, g_triggers, g_player, g_options, g_monsters, g_map, g_panel,
     g_items, g_weapons, g_gfx, g_phys, g_net, g_gui, g_netmaster,
     g_game, r_console, r_gfx, r_items, r_map, r_panel, r_monsters, r_weapons, r_netmaster, r_player
   ;
@@ -1028,6 +1028,65 @@ begin
   e_AmbientQuad(sX, sY, sWidth, sHeight, ambColor.r, ambColor.g, ambColor.b, ambColor.a);
 end;
 
+// ////////////////////////////////////////////////////////////////////////// //
+var
+  ltexid: GLuint = 0;
+
+function g_Texture_Light (): Integer;
+const
+  Radius: Integer = 128;
+var
+  tex, tpp: PByte;
+  x, y, a: Integer;
+  dist: Double;
+begin
+  if ltexid = 0 then
+  begin
+    GetMem(tex, (Radius*2)*(Radius*2)*4);
+    tpp := tex;
+    for y := 0 to Radius*2-1 do
+    begin
+      for x := 0 to Radius*2-1 do
+      begin
+        dist := 1.0-sqrt((x-Radius)*(x-Radius)+(y-Radius)*(y-Radius))/Radius;
+        if (dist < 0) then
+        begin
+          tpp^ := 0; Inc(tpp);
+          tpp^ := 0; Inc(tpp);
+          tpp^ := 0; Inc(tpp);
+          tpp^ := 0; Inc(tpp);
+        end
+        else
+        begin
+          //tc.setPixel(x, y, Color(cast(int)(dist*255), cast(int)(dist*255), cast(int)(dist*255)));
+          if (dist > 0.5) then dist := 0.5;
+          a := round(dist*255);
+          if (a < 0) then a := 0 else if (a > 255) then a := 255;
+          tpp^ := 255; Inc(tpp);
+          tpp^ := 255; Inc(tpp);
+          tpp^ := 255; Inc(tpp);
+          tpp^ := Byte(a); Inc(tpp);
+        end;
+      end;
+    end;
+
+    glGenTextures(1, @ltexid);
+    //if (tid == 0) assert(0, "VGL: can't create screen texture");
+
+    glBindTexture(GL_TEXTURE_2D, ltexid);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+    //GLfloat[4] bclr = 0.0;
+    //glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, bclr.ptr);
+
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Radius*2, Radius*2, 0, GL_RGBA{gltt}, GL_UNSIGNED_BYTE, tex);
+  end;
+
+  result := ltexid;
+end;
 
 // setup sX, sY, sWidth, sHeight, and transformation matrix before calling this!
 //FIXME: broken for splitscreen mode