X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fg_textures.pas;h=12072bb52944ea015b546f50fc605011be3b9cf1;hb=4c4a0406b07cdfd5051e388e8b00f02e008ed140;hp=93d8c63d056e93ad0fc5fef015b1b637173b6ad6;hpb=8558702f560e3faf9be93f96dfffbf4b6ba34c90;p=d2df-sdl.git

diff --git a/src/game/g_textures.pas b/src/game/g_textures.pas
index 93d8c63..12072bb 100644
--- a/src/game/g_textures.pas
+++ b/src/game/g_textures.pas
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *)
-{$MODE DELPHI}
+{$INCLUDE ../shared/a_modes.inc}
 unit g_textures;
 
 interface
@@ -108,11 +108,13 @@ procedure g_Frames_DeleteAll();
 
 procedure DumpTextureNames();
 
+function g_Texture_Light(): Integer;
+
 implementation
 
 uses
   g_game, e_log, g_basic, SysUtils, g_console, wadreader,
-  g_language;
+  g_language, GL;
 
 type
   _TTexture = record
@@ -843,4 +845,64 @@ begin
   Mem.ReadBoolean(FRevert);
 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;
+
 end.