removed all mentions of dynaabb tree from the sources; WARNING! EVERYTHING IS BROKEN!

[d2df-sdl.git] / src / game / g_textures.pas

diff --git a/src/game/g_textures.pas b/src/game/g_textures.pas
index 613419e21e451e1f0793126bdbf9c67fe174eaf3..0688391518db7252157ff16858960d6636178899 100644 (file)
--- a/src/game/g_textures.pas
+++ b/src/game/g_textures.pas
@@ -1,4 +1,19 @@
-{$MODE DELPHI}
+(* Copyright (C)  DooM 2D:Forever Developers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *)
+{$INCLUDE ../shared/a_modes.inc}
 unit g_textures;
 
 interface
@@ -84,8 +99,8 @@ function g_Frames_CreateFile(ID: PDWORD; Name: ShortString; FileName: String;
 function g_Frames_CreateMemory(ID: PDWORD; Name: ShortString; pData: Pointer; dataSize: LongInt;
                                FWidth, FHeight, FCount: Word; BackAnimation: Boolean = False): Boolean;
 //function g_Frames_CreateRevert(ID: PDWORD; Name: ShortString; Frames: string): Boolean;
-function g_Frames_Get(var ID: DWORD; FramesName: ShortString): Boolean;
-function g_Frames_GetTexture(var ID: DWORD; FramesName: ShortString; Frame: Word): Boolean;
+function g_Frames_Get(out ID: DWORD; FramesName: ShortString): Boolean;
+function g_Frames_GetTexture(out ID: DWORD; FramesName: ShortString; Frame: Word): Boolean;
 function g_Frames_Exists(FramesName: String): Boolean;
 procedure g_Frames_DeleteByName(FramesName: ShortString);
 procedure g_Frames_DeleteByID(ID: DWORD);
@@ -93,11 +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
@@ -367,7 +384,7 @@ begin
     if not e_CreateTextureMemEx(pData, dataSize, FramesArray[find_id].TexturesID[a],
                                 a*FWidth, 0, FWidth, FHeight) then
     begin
-      FreeMem(pData);
+      //!!!FreeMem(pData);
       Exit;
     end;
 
@@ -555,7 +572,7 @@ begin
   FramesArray := nil;
 end;
 
-function g_Frames_Get(var ID: DWORD; FramesName: ShortString): Boolean;
+function g_Frames_Get(out ID: DWORD; FramesName: ShortString): Boolean;
 var
   a: DWORD;
 begin
@@ -578,7 +595,7 @@ begin
     g_FatalError(Format(_lc[I_GAME_ERROR_FRAMES], [FramesName]));
 end;
 
-function g_Frames_GetTexture(var ID: DWORD; FramesName: ShortString; Frame: Word): Boolean;
+function g_Frames_GetTexture(out ID: DWORD; FramesName: ShortString; Frame: Word): Boolean;
 var
   a: DWORD;
 begin
@@ -828,4 +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.