X-Git-Url: http://deadsoftware.ru/gitweb?p=d2df-sdl.git;a=blobdiff_plain;f=src%2Fgame%2Fg_textures.pas;h=9d9720c9b753e436dc0891dbf9a7e6ff920d676b;hp=93d8c63d056e93ad0fc5fef015b1b637173b6ad6;hb=ebb13957295d3f50ba51ff5b871310570d0d4dfe;hpb=0cf82d25f7ffee01d662d9d11793077805a263cb

diff --git a/src/game/g_textures.pas b/src/game/g_textures.pas
index 93d8c63..9d9720c 100644
--- a/src/game/g_textures.pas
+++ b/src/game/g_textures.pas
@@ -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: Integer = 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.