index e4eb35a89ed96385e90571c40c9d4d8d6959f5bc..63a9e5bc113c6569f0cda0a65bcf5bc5d63c9bd6 100644 (file)
+(* 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/>.
+ *)
+{$MODE DELPHI}
unit e_graphics;
interface
uses
- windows, SysUtils, Math, e_log, e_textures, dglOpenGL;
+ SysUtils, Classes, Math, e_log, e_textures, GL, GLExt, MAPDEF,
+ ImagingTypes, Imaging, ImagingUtility;
type
TMirrorType=(M_NONE, M_HORIZONTAL, M_VERTICAL);
X, Y: Integer;
end;
+ TPoint = MAPDEF.TPoint; // TODO: create an utiltypes.pas or something
+ // for other types like rect as well
+
TPoint2f = record
X, Y: Double;
end;
- TRect = windows.TRect;
+ TRect = record
+ Left, Top, Right, Bottom: Integer;
+ end;
TRectWH = record
X, Y: Integer;
//------------------------------------------------------------------
// ïðîòîòèïû ôóíêöèé
//------------------------------------------------------------------
-procedure e_InitGL(VSync: Boolean);
+procedure e_InitGL();
procedure e_SetViewPort(X, Y, Width, Height: Word);
procedure e_ResizeWindow(Width, Height: Integer);
@@ -57,22 +79,16 @@ procedure e_DrawQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byt
procedure e_DrawFillQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue, Alpha: Byte;
Blending: TBlending = B_NONE);
+function e_CreateTextureImg (var img: TImageData; var ID: DWORD): Boolean;
function e_CreateTexture(FileName: string; var ID: DWORD): Boolean;
function e_CreateTextureEx(FileName: string; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
-function e_CreateTextureMem(pData: Pointer; var ID: DWORD): Boolean;
-function e_CreateTextureMemEx(pData: Pointer; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
+function e_CreateTextureMem(pData: Pointer; dataSize: LongInt; var ID: DWORD): Boolean;
+function e_CreateTextureMemEx(pData: Pointer; dataSize: LongInt; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
procedure e_GetTextureSize(ID: DWORD; Width, Height: PWord);
function e_GetTextureSize2(ID: DWORD): TRectWH;
procedure e_DeleteTexture(ID: DWORD);
procedure e_RemoveAllTextures();
-// SimpleFont
-function e_SimpleFontCreate(FontName: PChar; Size: Byte; Weight: Word; DC: HDC): DWORD;
-procedure e_SimpleFontFree(Font: DWORD);
-procedure e_SimpleFontPrint(X, Y: SmallInt; Text: PChar; Font: Integer; Red, Green, Blue: Byte);
-procedure e_SimpleFontPrintEx(X, Y: SmallInt; Text: PChar; Font: DWORD; Red, Green, Blue,
- sRed, sGreen, sBlue, sWidth: Byte);
-
// CharFont
function e_CharFont_Create(sp: ShortInt=0): DWORD;
procedure e_CharFont_AddChar(FontID: DWORD; Texture: Integer; c: Char; w: Byte);
procedure e_CharFont_RemoveAll();
// TextureFont
-procedure e_TextureFontBuild(Texture: DWORD; var FontID: DWORD; XCount, YCount: Word;
+procedure e_TextureFontBuild(Tex: DWORD; var FontID: DWORD; XCount, YCount: Word;
Space: ShortInt=0);
procedure e_TextureFontKill(FontID: DWORD);
procedure e_TextureFontPrint(X, Y: GLint; Text: string; FontID: DWORD);
@@ -98,38 +114,46 @@ procedure e_TextureFontPrintFmt(X, Y: GLint; Text: string; FontID: DWORD; Shadow
procedure e_TextureFontGetSize(ID: DWORD; var CharWidth, CharHeight: Byte);
procedure e_RemoveAllTextureFont();
+function e_TextureFontCharWidth (ch: Char; FontID: DWORD): Integer;
+procedure e_TextureFontPrintCharEx (X, Y: Integer; Ch: Char; FontID: DWORD; Shadow: Boolean = False);
+
procedure e_ReleaseEngine();
procedure e_BeginRender();
-procedure e_Clear(Mask: TGLbitfield; Red, Green, Blue: Single);
+procedure e_Clear(Mask: TGLbitfield; Red, Green, Blue: Single); overload;
+procedure e_Clear(); overload;
procedure e_EndRender();
-function e_GetGamma(DC: HDC): Byte;
-procedure e_SetGamma(Gamma: Byte; DC: HDC);
-
-procedure e_MakeScreenshot(FileName: string; Width, Height: Word);
-
function _RGB(Red, Green, Blue: Byte): TRGB;
function _Point(X, Y: Integer): TPoint2i;
function _Rect(X, Y: Integer; Width, Height: Word): TRectWH;
+function _TRect(L, T, R, B: LongInt): TRect;
+//function e_getTextGLId (ID: DWORD): GLuint;
var
e_Colors: TRGB;
+ e_NoGraphics: Boolean = False;
+ e_FastScreenshots: Boolean = true; // it's REALLY SLOW with `false`
+
implementation
+uses
+ paszlib, crc, utils;
+
+
type
TTexture = record
- ID: DWORD;
- Width: Word;
- Height: Word;
+ tx: GLTexture;
end;
TTextureFont = record
- TextureID: DWORD;
- Base: GLuint;
- CharWidth: Byte;
- CharHeight: Byte;
+ Texture: DWORD;
+ TextureID: DWORD;
+ Base: Uint32;
+ CharWidth: Byte;
+ CharHeight: Byte;
+ XC, YC, SPC: Word;
end;
TCharFont = record
Live: Boolean;
end;
+ TSavedTexture = record
+ TexID: DWORD;
+ OldID: DWORD;
+ Pixels: Pointer;
+ end;
+
var
e_Textures: array of TTexture = nil;
e_TextureFonts: array of TTextureFont = nil;
e_CharFonts: array of TCharFont;
+ //e_SavedTextures: array of TSavedTexture;
+
+//function e_getTextGLId (ID: DWORD): GLuint; begin result := e_Textures[ID].tx.id; end;
//------------------------------------------------------------------
// Èíèöèàëèçèðóåò OpenGL
//------------------------------------------------------------------
-procedure e_InitGL(VSync: Boolean);
+procedure e_InitGL();
begin
- if VSync then
- wglSwapIntervalEXT(1)
- else
- wglSwapIntervalEXT(0);
- glDisable(GL_DEPTH_TEST);
- glEnable(GL_SCISSOR_TEST);
+ if e_NoGraphics then
+ begin
+ e_DummyTextures := True;
+ Exit;
+ end;
e_Colors.R := 255;
e_Colors.G := 255;
e_Colors.B := 255;
+ glDisable(GL_DEPTH_TEST);
+ glEnable(GL_SCISSOR_TEST);
glClearColor(0, 0, 0, 0);
end;
mat: Array [0..15] of GLDouble;
begin
+ if e_NoGraphics then Exit;
glLoadIdentity();
glScissor(X, Y, Width, Height);
glViewport(X, Y, Width, Height);
glLoadMatrixd(@mat[0]);
glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
+ glLoadIdentity();
end;
//------------------------------------------------------------------
begin
if e_Textures <> nil then
for i := 0 to High(e_Textures) do
- if e_Textures[i].Width = 0 then
+ if e_Textures[i].tx.Width = 0 then
begin
Result := i;
Exit;
function e_CreateTexture(FileName: String; var ID: DWORD): Boolean;
var
find_id: DWORD;
+ fmt: Word;
begin
Result := False;
find_id := FindTexture();
- if not LoadTexture(FileName, e_Textures[find_id].ID, e_Textures[find_id].Width,
- e_Textures[find_id].Height) then Exit;
+ if not LoadTexture(FileName, e_Textures[find_id].tx, e_Textures[find_id].tx.Width,
+ e_Textures[find_id].tx.Height, @fmt) then Exit;
ID := find_id;
function e_CreateTextureEx(FileName: String; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
var
find_id: DWORD;
+ fmt: Word;
begin
Result := False;
find_id := FindTexture();
- if not LoadTextureEx(FileName, e_Textures[find_id].ID, fX, fY, fWidth, fHeight) then Exit;
-
- e_Textures[find_id].Width := fWidth;
- e_Textures[find_id].Height := fHeight;
+ if not LoadTextureEx(FileName, e_Textures[find_id].tx, fX, fY, fWidth, fHeight, @fmt) then exit;
ID := find_id;
Result := True;
end;
-function e_CreateTextureMem(pData: Pointer; var ID: DWORD): Boolean;
+function e_CreateTextureMem(pData: Pointer; dataSize: LongInt; var ID: DWORD): Boolean;
var
find_id: DWORD;
+ fmt: Word;
begin
Result := False;
find_id := FindTexture;
- if not LoadTextureMem(pData, e_Textures[find_id].ID, e_Textures[find_id].Width,
- e_Textures[find_id].Height) then Exit;
+ if not LoadTextureMem(pData, dataSize, e_Textures[find_id].tx, e_Textures[find_id].tx.Width, e_Textures[find_id].tx.Height, @fmt) then exit;
id := find_id;
Result := True;
end;
-function e_CreateTextureMemEx(pData: Pointer; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
+function e_CreateTextureMemEx(pData: Pointer; dataSize: LongInt; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
var
find_id: DWORD;
+ fmt: Word;
begin
Result := False;
find_id := FindTexture();
- if not LoadTextureMemEx(pData, e_Textures[find_id].ID, fX, fY, fWidth, fHeight) then Exit;
-
- e_Textures[find_id].Width := fWidth;
- e_Textures[find_id].Height := fHeight;
+ if not LoadTextureMemEx(pData, dataSize, e_Textures[find_id].tx, fX, fY, fWidth, fHeight, @fmt) then exit;
ID := find_id;
Result := True;
end;
+function e_CreateTextureImg (var img: TImageData; var ID: DWORD): Boolean;
+var
+ find_id: DWORD;
+ fmt, tw, th: Word;
+begin
+ result := false;
+ find_id := FindTexture();
+ if not LoadTextureImg(img, e_Textures[find_id].tx, tw, th, @fmt) then exit;
+ ID := find_id;
+ result := True;
+end;
+
procedure e_GetTextureSize(ID: DWORD; Width, Height: PWord);
begin
- if Width <> nil then Width^ := e_Textures[ID].Width;
- if Height <> nil then Height^ := e_Textures[ID].Height;
+ if Width <> nil then Width^ := e_Textures[ID].tx.Width;
+ if Height <> nil then Height^ := e_Textures[ID].tx.Height;
end;
function e_GetTextureSize2(ID: DWORD): TRectWH;
var
- data: Pointer;
+ data: PChar;
x, y: Integer;
w, h: Word;
a: Boolean;
lastline: Integer;
begin
- w := e_Textures[ID].Width;
- h := e_Textures[ID].Height;
- data := GetMemory(w*h*4);
- glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].ID);
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ w := e_Textures[ID].tx.Width;
+ h := e_Textures[ID].tx.Height;
Result.Y := 0;
Result.X := 0;
Result.Width := w;
Result.Height := h;
+ if e_NoGraphics then Exit;
+
+ data := GetMemory(w*h*4);
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+
for y := h-1 downto 0 do
begin
lastline := y;
for x := 1 to w-4 do
begin
- a := Byte(Pointer(Integer(data)+y*w*4+x*4+3)^) <> 0;
+ a := Byte((data+y*w*4+x*4+3)^) <> 0;
if a then Break;
end;
for x := 1 to w-4 do
begin
- a := Byte(Pointer(Integer(data)+y*w*4+x*4+3)^) <> 0;
+ a := Byte((data+y*w*4+x*4+3)^) <> 0;
if a then Break;
end;
for y := 1 to h-4 do
begin
- a := Byte(Pointer(Integer(data)+y*w*4+x*4+3)^) <> 0;
+ a := Byte((data+y*w*4+x*4+3)^) <> 0;
if a then Break;
end;
for y := 1 to h-4 do
begin
- a := Byte(Pointer(Integer(data)+y*w*4+x*4+3)^) <> 0;
+ a := Byte((data+y*w*4+x*4+3)^) <> 0;
if a then Break;
end;
e_SetViewPort(0, 0, Width, Height);
end;
+procedure drawTxQuad (x0, y0, w, h: Integer; u, v: single; Mirror: TMirrorType);
+var
+ x1, y1, tmp: Integer;
+begin
+ if (w < 1) or (h < 1) then exit;
+ x1 := x0+w;
+ y1 := y0+h;
+ if Mirror = M_HORIZONTAL then begin tmp := x1; x1 := x0; x0 := tmp; end
+ else if Mirror = M_VERTICAL then begin tmp := y1; y1 := y0; y0 := tmp; end;
+ glTexCoord2f(0, v); glVertex2i(x0, y0);
+ glTexCoord2f(0, 0); glVertex2i(x0, y1);
+ glTexCoord2f(u, 0); glVertex2i(x1, y1);
+ glTexCoord2f(u, v); glVertex2i(x1, y0);
+end;
+
procedure e_Draw(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
Blending: Boolean; Mirror: TMirrorType = M_NONE);
-begin
+begin
+ if e_NoGraphics then Exit;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
-
+
if (Alpha > 0) or (AlphaChannel) or (Blending) then
glEnable(GL_BLEND)
else
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].ID);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
glBegin(GL_QUADS);
+ drawTxQuad(X, Y, e_Textures[id].tx.width, e_Textures[id].tx.height, e_Textures[ID].tx.u, e_Textures[ID].tx.v, Mirror);
+
+ //u := e_Textures[ID].tx.u;
+ //v := e_Textures[ID].tx.v;
+
+ {
if Mirror = M_NONE then
begin
- glTexCoord2i(1, 0); glVertex2i(X + e_Textures[id].Width, Y);
- glTexCoord2i(0, 0); glVertex2i(X, Y);
- glTexCoord2i(0, -1); glVertex2i(X, Y + e_Textures[id].Height);
- glTexCoord2i(1, -1); glVertex2i(X + e_Textures[id].Width, Y + e_Textures[id].Height);
+ glTexCoord2f(u, 0); glVertex2i(X + e_Textures[id].tx.Width, Y);
+ glTexCoord2f(0, 0); glVertex2i(X, Y);
+ glTexCoord2f(0, -v); glVertex2i(X, Y + e_Textures[id].tx.Height);
+ glTexCoord2f(u, -v); glVertex2i(X + e_Textures[id].tx.Width, Y + e_Textures[id].tx.Height);
end
else
if Mirror = M_HORIZONTAL then
begin
- glTexCoord2i(1, 0); glVertex2i(X, Y);
- glTexCoord2i(0, 0); glVertex2i(X + e_Textures[id].Width, Y);
- glTexCoord2i(0, -1); glVertex2i(X + e_Textures[id].Width, Y + e_Textures[id].Height);
- glTexCoord2i(1, -1); glVertex2i(X, Y + e_Textures[id].Height);
+ glTexCoord2f(u, 0); glVertex2i(X, Y);
+ glTexCoord2f(0, 0); glVertex2i(X + e_Textures[id].tx.Width, Y);
+ glTexCoord2f(0, -v); glVertex2i(X + e_Textures[id].tx.Width, Y + e_Textures[id].tx.Height);
+ glTexCoord2f(u, -v); glVertex2i(X, Y + e_Textures[id].tx.Height);
end
else
if Mirror = M_VERTICAL then
begin
- glTexCoord2i(1, -1); glVertex2i(X + e_Textures[id].Width, Y);
- glTexCoord2i(0, -1); glVertex2i(X, Y);
- glTexCoord2i(0, 0); glVertex2i(X, Y + e_Textures[id].Height);
- glTexCoord2i(1, 0); glVertex2i(X + e_Textures[id].Width, Y + e_Textures[id].Height);
+ glTexCoord2f(u, -v); glVertex2i(X + e_Textures[id].tx.Width, Y);
+ glTexCoord2f(0, -v); glVertex2i(X, Y);
+ glTexCoord2f(0, 0); glVertex2i(X, Y + e_Textures[id].tx.Height);
+ glTexCoord2f(u, 0); glVertex2i(X + e_Textures[id].tx.Width, Y + e_Textures[id].tx.Height);
end;
+ }
glEnd();
procedure e_DrawSize(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
Blending: Boolean; Width, Height: Word; Mirror: TMirrorType = M_NONE);
+var
+ u, v: Single;
begin
+ if e_NoGraphics then Exit;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
if (Alpha > 0) or (AlphaChannel) or (Blending) then
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].ID);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
+
+ u := e_Textures[ID].tx.u;
+ v := e_Textures[ID].tx.v;
glBegin(GL_QUADS);
- glTexCoord2i(0, 1); glVertex2i(X, Y);
- glTexCoord2i(1, 1); glVertex2i(X + Width, Y);
- glTexCoord2i(1, 0); glVertex2i(X + Width, Y + Height);
- glTexCoord2i(0, 0); glVertex2i(X, Y + Height);
+ glTexCoord2f(0, v); glVertex2i(X, Y);
+ glTexCoord2f(u, v); glVertex2i(X + Width, Y);
+ glTexCoord2f(u, 0); glVertex2i(X + Width, Y + Height);
+ glTexCoord2f(0, 0); glVertex2i(X, Y + Height);
glEnd();
glDisable(GL_BLEND);
procedure e_DrawSizeMirror(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
Blending: Boolean; Width, Height: Word; Mirror: TMirrorType = M_NONE);
begin
+ if e_NoGraphics then Exit;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
if (Alpha > 0) or (AlphaChannel) or (Blending) then
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].ID);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
glBegin(GL_QUADS);
-
- if Mirror = M_NONE then
- begin
- glTexCoord2i(1, 0); glVertex2i(X + Width, Y);
- glTexCoord2i(0, 0); glVertex2i(X, Y);
- glTexCoord2i(0, -1); glVertex2i(X, Y + Height);
- glTexCoord2i(1, -1); glVertex2i(X + Width, Y + Height);
- end
- else
- if Mirror = M_HORIZONTAL then
- begin
- glTexCoord2i(1, 0); glVertex2i(X, Y);
- glTexCoord2i(0, 0); glVertex2i(X + Width, Y);
- glTexCoord2i(0, -1); glVertex2i(X + Width, Y + Height);
- glTexCoord2i(1, -1); glVertex2i(X, Y + Height);
- end
- else
- if Mirror = M_VERTICAL then
- begin
- glTexCoord2i(1, -1); glVertex2i(X + Width, Y);
- glTexCoord2i(0, -1); glVertex2i(X, Y);
- glTexCoord2i(0, 0); glVertex2i(X, Y + Height);
- glTexCoord2i(1, 0); glVertex2i(X + Width, Y + Height);
- end;
-
+ drawTxQuad(X, Y, Width, Height, e_Textures[ID].tx.u, e_Textures[ID].tx.v, Mirror);
glEnd();
glDisable(GL_BLEND);
procedure e_DrawFill(ID: DWORD; X, Y: Integer; XCount, YCount: Word; Alpha: Integer;
AlphaChannel: Boolean; Blending: Boolean);
var
- X2, Y2: Integer;
-
+ X2, Y2, dx, w, h: Integer;
+ u, v: Single;
begin
+ if e_NoGraphics then Exit;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
if (Alpha > 0) or (AlphaChannel) or (Blending) then
YCount := 1;
glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].ID);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
- X2 := X + e_Textures[ID].Width * XCount;
- Y2 := Y + e_Textures[ID].Height * YCount;
-
- glBegin(GL_QUADS);
- glTexCoord2i(0, YCount); glVertex2i(X, Y);
- glTexCoord2i(XCount, YCount); glVertex2i(X2, Y);
- glTexCoord2i(XCount, 0); glVertex2i(X2, Y2);
- glTexCoord2i(0, 0); glVertex2i(X, Y2);
- glEnd();
+ X2 := X + e_Textures[ID].tx.width * XCount;
+ Y2 := Y + e_Textures[ID].tx.height * YCount;
+
+ //k8: this SHOULD work... i hope
+ if (e_Textures[ID].tx.width = e_Textures[ID].tx.glwidth) and (e_Textures[ID].tx.height = e_Textures[ID].tx.glheight) then
+ begin
+ glBegin(GL_QUADS);
+ glTexCoord2i(0, YCount); glVertex2i(X, Y);
+ glTexCoord2i(XCount, YCount); glVertex2i(X2, Y);
+ glTexCoord2i(XCount, 0); glVertex2i(X2, Y2);
+ glTexCoord2i(0, 0); glVertex2i(X, Y2);
+ glEnd();
+ end
+ else
+ begin
+ glBegin(GL_QUADS);
+ // hard day's night
+ u := e_Textures[ID].tx.u;
+ v := e_Textures[ID].tx.v;
+ w := e_Textures[ID].tx.width;
+ h := e_Textures[ID].tx.height;
+ while YCount > 0 do
+ begin
+ dx := XCount;
+ x2 := X;
+ while dx > 0 do
+ begin
+ glTexCoord2f(0, v); glVertex2i(X, Y);
+ glTexCoord2f(u, v); glVertex2i(X+w, Y);
+ glTexCoord2f(u, 0); glVertex2i(X+w, Y+h);
+ glTexCoord2f(0, 0); glVertex2i(X, Y+h);
+ Inc(X, w);
+ Dec(dx);
+ end;
+ X := x2;
+ Inc(Y, h);
+ Dec(YCount);
+ end;
+ glEnd();
+ end;
glDisable(GL_BLEND);
end;
procedure e_DrawAdv(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
Blending: Boolean; Angle: Single; RC: PPoint; Mirror: TMirrorType = M_NONE);
-begin
+begin
+ if e_NoGraphics then Exit;
+
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
if (Alpha > 0) or (AlphaChannel) or (Blending) then
glEnable(GL_BLEND)
else
glDisable(GL_BLEND);
-
+
if (AlphaChannel) or (Alpha > 0) then
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
end;
glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[id].ID);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[id].tx.id);
glBegin(GL_QUADS); //0-1 1-1
//00 10
- if Mirror = M_NONE then
- begin
- glTexCoord2i(1, 0); glVertex2i(X + e_Textures[id].Width, Y);
- glTexCoord2i(0, 0); glVertex2i(X, Y);
- glTexCoord2i(0, -1); glVertex2i(X, Y + e_Textures[id].Height);
- glTexCoord2i(1, -1); glVertex2i(X + e_Textures[id].Width, Y + e_Textures[id].Height);
- end
- else
- if Mirror = M_HORIZONTAL then
- begin
- glTexCoord2i(1, 0); glVertex2i(X, Y);
- glTexCoord2i(0, 0); glVertex2i(X + e_Textures[id].Width, Y);
- glTexCoord2i(0, -1); glVertex2i(X + e_Textures[id].Width, Y + e_Textures[id].Height);
- glTexCoord2i(1, -1); glVertex2i(X, Y + e_Textures[id].Height);
- end
- else
- if Mirror = M_VERTICAL then
- begin
- glTexCoord2i(1, -1); glVertex2i(X + e_Textures[id].Width, Y);
- glTexCoord2i(0, -1); glVertex2i(X, Y);
- glTexCoord2i(0, 0); glVertex2i(X, Y + e_Textures[id].Height);
- glTexCoord2i(1, 0); glVertex2i(X + e_Textures[id].Width, Y + e_Textures[id].Height);
- end;
-
+ drawTxQuad(X, Y, e_Textures[id].tx.width, e_Textures[id].tx.height, e_Textures[ID].tx.u, e_Textures[ID].tx.v, Mirror);
glEnd();
if Angle <> 0 then
procedure e_DrawPoint(Size: Byte; X, Y: Integer; Red, Green, Blue: Byte);
begin
+ if e_NoGraphics then Exit;
glDisable(GL_TEXTURE_2D);
glColor3ub(Red, Green, Blue);
glPointSize(Size);
-
+
if (Size = 2) or (Size = 4) then
X := X + 1;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
end;
-procedure e_LineCorrection(var X1, Y1, X2, Y2: Integer);
-begin
- // Make lines only top-left/bottom-right and top-right/bottom-left
- if Y2 < Y1 then
- begin
- X1 := X1 xor X2;
- X2 := X1 xor X2;
- X1 := X1 xor X2;
-
- Y1 := Y1 xor Y2;
- Y2 := Y1 xor Y2;
- Y1 := Y1 xor Y2;
- end;
-
- // Pixel-perfect hack
- if X1 < X2 then
- Inc(X2)
- else
- Inc(X1);
- Inc(Y2);
-end;
-
procedure e_DrawQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byte = 0);
-var
- nX1, nY1, nX2, nY2: Integer;
begin
- // Only top-left/bottom-right quad
- if X1 > X2 then
- begin
- X1 := X1 xor X2;
- X2 := X1 xor X2;
- X1 := X1 xor X2;
- end;
- if Y1 > Y2 then
- begin
- Y1 := Y1 xor Y2;
- Y2 := Y1 xor Y2;
- Y1 := Y1 xor Y2;
- end;
+ if e_NoGraphics then Exit;
if Alpha > 0 then
begin
glColor4ub(Red, Green, Blue, 255-Alpha);
glLineWidth(1);
- glBegin(GL_LINES);
- nX1 := X1; nY1 := Y1;
- nX2 := X2; nY2 := Y1;
- e_LineCorrection(nX1, nY1, nX2, nY2); // Pixel-perfect lines
- glVertex2i(nX1, nY1);
- glVertex2i(nX2, nY2);
-
- nX1 := X2; nY1 := Y1;
- nX2 := X2; nY2 := Y2;
- e_LineCorrection(nX1, nY1, nX2, nY2);
- glVertex2i(nX1, nY1);
- glVertex2i(nX2, nY2);
-
- nX1 := X2; nY1 := Y2;
- nX2 := X1; nY2 := Y2;
- e_LineCorrection(nX1, nY1, nX2, nY2);
- glVertex2i(nX1, nY1);
- glVertex2i(nX2, nY2);
-
- nX1 := X1; nY1 := Y2;
- nX2 := X1; nY2 := Y1;
- e_LineCorrection(nX1, nY1, nX2, nY2);
- glVertex2i(nX1, nY1);
- glVertex2i(nX2, nY2);
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(X1 + 0.5, Y1 + 0.5);
+ glVertex2f(X2 + 0.5, Y1 + 0.5);
+ glVertex2f(X2 + 0.5, Y2 + 0.5);
+ glVertex2f(X1 + 0.5, Y2 + 0.5);
glEnd();
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
procedure e_DrawFillQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue, Alpha: Byte;
Blending: TBlending = B_NONE);
begin
+ if e_NoGraphics then Exit;
if (Alpha > 0) or (Blending <> B_NONE) then
glEnable(GL_BLEND)
else
procedure e_DrawLine(Width: Byte; X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byte = 0);
begin
+ if e_NoGraphics then Exit;
// Pixel-perfect lines
- if Width = 1 then
- e_LineCorrection(X1, Y1, X2, Y2);
+ //if Width = 1 then
+ // e_LineCorrection(X1, Y1, X2, Y2);
if Alpha > 0 then
begin
//------------------------------------------------------------------
procedure e_DeleteTexture(ID: DWORD);
begin
- glDeleteTextures(1, @e_Textures[ID].ID);
- e_Textures[ID].ID := 0;
- e_Textures[ID].Width := 0;
- e_Textures[ID].Height := 0;
+ if not e_NoGraphics then
+ glDeleteTextures(1, @e_Textures[ID].tx.id);
+ e_Textures[ID].tx.id := 0;
+ e_Textures[ID].tx.Width := 0;
+ e_Textures[ID].tx.Height := 0;
end;
//------------------------------------------------------------------
if e_Textures = nil then Exit;
for i := 0 to High(e_Textures) do
- if e_Textures[i].Width <> 0 then e_DeleteTexture(i);
+ if e_Textures[i].tx.Width <> 0 then e_DeleteTexture(i);
e_Textures := nil;
end;
procedure e_BeginRender();
begin
+ if e_NoGraphics then Exit;
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0);
end;
-procedure e_Clear(Mask: TGLbitfield; Red, Green, Blue: Single);
-begin
- glClearColor(Red, Green, Blue, 0);
- glClear(Mask);
-end;
-
-procedure e_EndRender();
-begin
- glPopMatrix();
-end;
-
-procedure e_MakeScreenshot(FileName: String; Width, Height: Word);
-type
- aRGB = Array [0..1] of TRGB;
- PaRGB = ^aRGB;
-
- TByteArray = Array [0..1] of Byte;
- PByteArray = ^TByteArray;
-
-var
- FILEHEADER: BITMAPFILEHEADER;
- INFOHEADER: BITMAPINFOHEADER;
- pixels: PByteArray;
- tmp: Byte;
- i: Integer;
- F: File of Byte;
-
-begin
- if (Width mod 4) > 0 then
- Width := Width + 4 - (Width mod 4);
-
- GetMem(pixels, Width*Height*3);
- glReadPixels(0, 0, Width, Height, GL_RGB, GL_UNSIGNED_BYTE, pixels);
-
- {$R-}
- for i := 0 to Width * Height - 1 do
- with PaRGB(pixels)[i] do
- begin
- tmp := R;
- R := B;
- B := tmp;
- end;
- {$R+}
-
- with FILEHEADER do
- begin
- bfType := $4D42; // "BM"
- bfSize := Width*Height*3 + SizeOf(BITMAPFILEHEADER) + SizeOf(BITMAPINFOHEADER);
- bfReserved1 := 0;
- bfReserved2 := 0;
- bfOffBits := SizeOf(BITMAPFILEHEADER) + SizeOf(BITMAPINFOHEADER);
- end;
-
- with INFOHEADER do
- begin
- biSize := SizeOf(BITMAPINFOHEADER);
- biWidth := Width;
- biHeight := Height;
- biPlanes := 1;
- biBitCount := 24;
- biCompression := 0;
- biSizeImage := Width*Height*3;
- biXPelsPerMeter := 0;
- biYPelsPerMeter := 0;
- biClrUsed := 0;
- biClrImportant := 0;
- end;
-
- AssignFile(F, FileName);
- Rewrite(F);
-
- BlockWrite(F, FILEHEADER, SizeOf(FILEHEADER));
- BlockWrite(F, INFOHEADER, SizeOf(INFOHEADER));
- BlockWrite(F, pixels[0], Width*Height*3);
-
- CloseFile(F);
-
- FreeMem(pixels);
-end;
-
-function e_GetGamma(DC: HDC): Byte;
-var
- ramp: array [0..256*3-1] of Word;
- rgb: array [0..2] of Double;
- sum: double;
- count: integer;
- min: integer;
- max: integer;
- A, B: double;
- i, j: integer;
-begin
- rgb[0] := 1.0;
- rgb[1] := 1.0;
- rgb[2] := 1.0;
-
- GetDeviceGammaRamp(DC, ramp);
-
- for i := 0 to 2 do
- begin
- sum := 0;
- count := 0;
- min := 256 * i;
- max := min + 256;
-
- for j := min to max - 1 do
- if ramp[j] > 0 then
- begin
- B := (j mod 256)/256;
- A := ramp[j]/65536;
- sum := sum + ln(A)/ln(B);
- inc(count);
- end;
- rgb[i] := sum / count;
- end;
-
- Result := 100 - Trunc(((rgb[0] + rgb[1] + rgb[2])/3 - 0.23) * 100/(2.7 - 0.23));
-end;
-
-procedure e_SetGamma(Gamma: Byte; DC: HDC);
-var
- ramp: array [0..256*3-1] of Word;
- i: integer;
- r: double;
- g: double;
-begin
- g := (100 - Gamma)*(2.7 - 0.23)/100 + 0.23;
-
- for i := 0 to 255 do
- begin
- r := Exp(g * ln(i/256))*65536;
- if r < 0 then r := 0
- else if r > 65535 then r := 65535;
- ramp[i] := trunc(r);
- ramp[i + 256] := trunc(r);
- ramp[i + 512] := trunc(r);
- end;
-
- SetDeviceGammaRamp(DC, ramp);
-end;
-
-function e_SimpleFontCreate(FontName: PChar; Size: Byte; Weight: Word; DC: HDC): DWORD;
-var
- font: HFONT;
-begin
- Result := glGenLists(96); // Generate enough display lists to hold
- font := CreateFont(-Size, // height of font
- 0, // average character width
- 0, // angle of escapement
- 0, // base-line orientation angle
- Weight, // font weight
- 0, // italic
- 0, // underline
- 0, // strikeout
- RUSSIAN_CHARSET, // character set
- OUT_TT_PRECIS, // output precision
- CLIP_DEFAULT_PRECIS, // clipping precision
- ANTIALIASED_QUALITY, // output quality
- FF_DONTCARE or DEFAULT_PITCH, // pitch and family
- FontName); // font
- SelectObject(DC, font); // Sets the new font as the current font in the device context
- wglUseFontBitmaps(DC, 32, 224, Result); // Creates a set display lists containing the bitmap fonts
-end;
-
-procedure e_SimpleFontFree(Font: DWORD);
+procedure e_Clear(Mask: TGLbitfield; Red, Green, Blue: Single); overload;
begin
- glDeleteLists(Font, 223); // Delete the font display lists, returning used memory
+ if e_NoGraphics then Exit;
+ glClearColor(Red, Green, Blue, 0);
+ glClear(Mask);
end;
-procedure e_SimpleFontPrint(X, Y: SmallInt; Text: PChar; Font: Integer; Red, Green, Blue: Byte);
+procedure e_Clear(); overload;
begin
- glPopAttrib(); // Rendering bug workaround
-
- glColor3ub(Red, Green, Blue);
- glDisable(GL_TEXTURE_2D); // Turn off textures, don't want our text textured
- glRasterPos2i(X, Y); // Position the Text
- glPushAttrib(GL_LIST_BIT); // Save's the current base list
- glListBase(DWORD(Font-32)); // Set the base list to our character list
- glCallLists(Length(Text), GL_UNSIGNED_BYTE, Text); // Display the text
- glPopAttrib(); // Restore the old base list
+ if e_NoGraphics then Exit;
+ glClearColor(0, 0, 0, 0);
+ glClear(GL_COLOR_BUFFER_BIT);
end;
-procedure e_SimpleFontPrintEx(X, Y: SmallInt; Text: PChar; Font: DWORD; Red, Green, Blue,
- sRed, sGreen, sBlue, sWidth: Byte);
+procedure e_EndRender();
begin
- e_SimpleFontPrint(X, Y, Text, Font, Red, Green, Blue);
- e_SimpleFontPrint(X+sWidth, Y+sWidth, Text, Font, sRed, sGreen, sBlue);
+ if e_NoGraphics then Exit;
+ glPopMatrix();
end;
function e_CharFont_Create(sp: ShortInt=0): DWORD;
var
a: Integer;
begin
+ if e_NoGraphics then Exit;
if Text = '' then Exit;
if e_CharFonts = nil then Exit;
if Integer(FontID) > High(e_CharFonts) then Exit;
a: Integer;
c: TRGB;
begin
+ if e_NoGraphics then Exit;
if Text = '' then Exit;
if e_CharFonts = nil then Exit;
if Integer(FontID) > High(e_CharFonts) then Exit;
tc, c: TRGB;
w, h: Word;
begin
+ if e_NoGraphics then Exit;
if Text = '' then Exit;
if e_CharFonts = nil then Exit;
if Integer(FontID) > High(e_CharFonts) then Exit;
if e_CharFonts = nil then Exit;
for a := 0 to High(e_CharFonts) do
- e_CharFont_Remove(a);
+ e_CharFont_Remove(a);
e_CharFonts := nil;
end;
-procedure e_TextureFontBuild(Texture: DWORD; var FontID: DWORD; XCount, YCount: Word;
+procedure e_TextureFontBuild(Tex: DWORD; var FontID: DWORD; XCount, YCount: Word;
Space: ShortInt=0);
var
loop1 : GLuint;
cx, cy : real;
i, id: DWORD;
begin
+ if e_NoGraphics then Exit;
e_WriteLog('Creating texture font...', MSG_NOTIFY);
id := DWORD(-1);
with e_TextureFonts[id] do
begin
Base := glGenLists(XCount*YCount);
- TextureID := e_Textures[Texture].ID;
- CharWidth := (e_Textures[Texture].Width div XCount)+Space;
- CharHeight := e_Textures[Texture].Height div YCount;
+ TextureID := e_Textures[Tex].tx.id;
+ CharWidth := (e_Textures[Tex].tx.Width div XCount)+Space;
+ CharHeight := e_Textures[Tex].tx.Height div YCount;
+ XC := XCount;
+ YC := YCount;
+ Texture := Tex;
+ SPC := Space;
end;
-
- glBindTexture(GL_TEXTURE_2D, e_Textures[Texture].ID);
+
+ glBindTexture(GL_TEXTURE_2D, e_Textures[Tex].tx.id);
for loop1 := 0 to XCount*YCount-1 do
begin
cx := (loop1 mod XCount)/XCount;
- cy := (loop1 div YCount)/YCount;
+ cy := (loop1 div YCount)/YCount;
- glNewList(e_TextureFonts[id].Base+loop1, GL_COMPILE);
- glBegin(GL_QUADS);
+ glNewList(e_TextureFonts[id].Base+loop1, GL_COMPILE);
+ glBegin(GL_QUADS);
glTexCoord2f(cx, 1.0-cy-1/YCount);
- glVertex2d(0, e_Textures[Texture].Height div YCount);
+ glVertex2d(0, e_Textures[Tex].tx.Height div YCount);
- glTexCoord2f(cx+1/XCount, 1.0-cy-1/YCount);
- glVertex2i(e_Textures[Texture].Width div XCount, e_Textures[Texture].Height div YCount);
+ glTexCoord2f(cx+1/XCount, 1.0-cy-1/YCount);
+ glVertex2i(e_Textures[Tex].tx.Width div XCount, e_Textures[Tex].tx.Height div YCount);
- glTexCoord2f(cx+1/XCount, 1.0-cy);
- glVertex2i(e_Textures[Texture].Width div XCount, 0);
+ glTexCoord2f(cx+1/XCount, 1.0-cy);
+ glVertex2i(e_Textures[Tex].tx.Width div XCount, 0);
- glTexCoord2f(cx, 1.0-cy);
+ glTexCoord2f(cx, 1.0-cy);
glVertex2i(0, 0);
glEnd();
- glTranslated((e_Textures[Texture].Width div XCount)+Space, 0, 0);
- glEndList();
+ glTranslated((e_Textures[Tex].tx.Width div XCount)+Space, 0, 0);
+ glEndList();
end;
FontID := id;
procedure e_TextureFontKill(FontID: DWORD);
begin
- glDeleteLists(e_TextureFonts[FontID].Base, 256);
+ if e_NoGraphics then Exit;
+ glDeleteLists(e_TextureFonts[FontID].Base, 256);
e_TextureFonts[FontID].Base := 0;
end;
procedure e_TextureFontPrint(X, Y: GLint; Text: string; FontID: DWORD);
begin
+ if e_NoGraphics then Exit;
if Integer(FontID) > High(e_TextureFonts) then Exit;
if Text = '' then Exit;
// god forgive me for this, but i cannot figure out how to do it without lists
procedure e_TextureFontPrintChar(X, Y: Integer; Ch: Char; FontID: DWORD; Shadow: Boolean = False);
begin
+ if e_NoGraphics then Exit;
glPushMatrix;
if Shadow then
glPopMatrix;
end;
+procedure e_TextureFontPrintCharEx (X, Y: Integer; Ch: Char; FontID: DWORD; Shadow: Boolean = False);
+begin
+ glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
+ glEnable(GL_TEXTURE_2D);
+ //glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glEnable(GL_BLEND);
+ e_TextureFontPrintChar(X, Y, Ch, FontID, Shadow);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_BLEND);
+end;
+
+function e_TextureFontCharWidth (ch: Char; FontID: DWORD): Integer;
+begin
+ result := e_TextureFonts[FontID].CharWidth;
+end;
+
procedure e_TextureFontPrintFmt(X, Y: Integer; Text: string; FontID: DWORD; Shadow: Boolean = False);
var
a, TX, TY, len: Integer;
tc, c: TRGB;
w: Word;
begin
+ if e_NoGraphics then Exit;
if Text = '' then Exit;
if e_TextureFonts = nil then Exit;
if Integer(FontID) > High(e_TextureFonts) then Exit;
procedure e_TextureFontPrintEx(X, Y: GLint; Text: string; FontID: DWORD; Red, Green,
Blue: Byte; Scale: Single; Shadow: Boolean = False);
begin
+ if e_NoGraphics then Exit;
if Text = '' then Exit;
glPushMatrix;
procedure e_TextureFontGetSize(ID: DWORD; var CharWidth, CharHeight: Byte);
begin
+ CharWidth := 16;
+ CharHeight := 16;
+ if e_NoGraphics then Exit;
if Integer(ID) > High(e_TextureFonts) then
Exit;
CharWidth := e_TextureFonts[ID].CharWidth;
var
i: integer;
begin
+ if e_NoGraphics then Exit;
if e_TextureFonts = nil then Exit;
for i := 0 to High(e_TextureFonts) do
Result.Height := Height;
end;
+function _TRect(L, T, R, B: LongInt): TRect;
+begin
+ Result.Top := T;
+ Result.Left := L;
+ Result.Right := R;
+ Result.Bottom := B;
+end;
end.
-