diff options
Diffstat (limited to '')
| -rw-r--r-- | Game/Code/SMpeg/USmpeg.alt.pas | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/Game/Code/SMpeg/USmpeg.alt.pas b/Game/Code/SMpeg/USmpeg.alt.pas new file mode 100644 index 00000000..94ad69c8 --- /dev/null +++ b/Game/Code/SMpeg/USmpeg.alt.pas @@ -0,0 +1,292 @@ +unit USmpeg;
+
+interface
+uses SDL, smpeg, OpenGL12, SysUtils, UIni;
+
+procedure OpenSmpeg(FileName: string);
+procedure SkipSmpeg(Time: single);
+procedure PlaySmpeg;
+procedure UpdateSmpeg;
+procedure CloseSmpeg;
+function glmovie_init(Width : GLuint; Height : TGLuint ) : TGLenum;
+procedure glmpeg_update(surface: PSDL_Surface; x: Sint32; y: Sint32; w: Uint32; h: Uint32); cdecl;
+procedure DrawSmpeg(frame: PGLubyte);
+procedure glmovie_resize( width : GLuint; height : GLuint );
+procedure glmovie_quit;
+
+var
+ mpeg: PSMPEG;
+ mpeg_info: TSMPEG_Info;
+ surface: PSDL_Surface;
+
+type
+ { Some data is redundant at this stage. }
+ PGLMovieTexture = ^TGLMovieTexture;
+ TGLMovieTexture = record
+ id : TGLuint; (* OpenGL texture id. *)
+ poly_width : TGLuint; (* Quad width for tile. *)
+ poly_height : TGLuint; (* Quad height for tile. *)
+ movie_width : TGLuint; (* Width of movie inside tile. *)
+ movie_height : TGLuint; (* Height of movie inside tile. *)
+ skip_rows : TGLuint; (* Number of rows of movie to skip *)
+ skip_pixels : TGLuint; (* Number of columns of movie to skip *)
+ row : TGLuint; (* Row number of tile in scheme. *)
+ col : TGLuint; (* Column number of tile in scheme. *)
+ end;
+
+type
+ TGLuintArray = array of TGLuint;
+ PGLuintArray = ^TGLuintArray;
+ TGLMovieTextureArray = array of TGLMovieTexture;
+ PGLMovieTextureArray = ^TGLMovieTextureArray;
+
+var
+ (* Our evil maximum texture size. Boo 3Dfxnot *)
+ texture_size : TGLuint = 1024;//512;
+ texture_ids : TGLuint;
+ textures: TGLMovieTexture;
+ tiled_width : TGLuint = 0;
+ tiled_height : TGLuint = 0;
+ movie_width : TGLuint = 0;
+ movie_height : TGLuint = 0;
+
+implementation
+
+procedure OpenSmpeg(FileName: string);
+begin
+ mpeg := SMPEG_new(PChar(FileName), @mpeg_info, 0); // audio
+ if ( mpeg = nil ) then begin
+ SDL_Quit;
+ Exit;
+ end;
+
+// SMPEG_setvolume(mpeg, 50);
+ SMPEG_enableaudio(mpeg, 0);
+
+ (* Everything needs to be in RGB for GL, but needs to be 32-bit for SMPEG. *)
+ surface := SDL_AllocSurface( SDL_SWSURFACE,
+ mpeg_info.width,
+ mpeg_info.height,
+ 32,
+ $000000FF,
+ $0000FF00,
+ $00FF0000,
+ $FF000000 );
+
+ if ( surface = nil ) then begin
+ SDL_Quit;
+ Exit;
+ end;
+
+ (* *Initialize* with mpeg size. *)
+ if (glmovie_init( mpeg_info.width, mpeg_info.height ) <> GL_NO_ERROR ) then begin
+ SDL_Quit;
+ Exit;
+ end;
+
+ SMPEG_setdisplay(mpeg, surface, nil, @glmpeg_update);
+end;
+
+procedure SkipSmpeg(Time: single);
+begin
+ SMPEG_skip(mpeg, Time);
+end;
+
+procedure PlaySmpeg;
+begin
+ SMPEG_play(mpeg);
+end;
+
+procedure UpdateSmpeg;
+begin
+// glmpeg_update(surface,0,0,0,0);
+ DrawSmpeg( PGLubyte( surface.pixels ) );
+end;
+
+procedure CloseSmpeg;
+begin
+// glmovie_quit;
+ SMPEG_delete(mpeg);
+end;
+
+function glmovie_init( Width : GLuint; Height : TGLuint ) : TGLenum;
+type
+ PGLubyteArray = ^TGLubyteArray;
+ TGLubyteArray = array of TGLubyte;
+var
+ (* Initial black texels. *)
+ pixels : TGLubyteArray;
+ (* Absolute offsets from within tiled frame. *)
+ //offset_x: GLuint;
+ //offset_y: GLuint;
+ skip_rows : GLuint;
+ skip_pixels : GLuint;
+ i, j, current : GLuint;
+begin
+ skip_rows := 0;
+ current := 0;
+ (* Save original movie dimensions. *)
+ movie_width := width;
+ movie_height := height;
+
+ (* Get the power of 2 dimensions. *)
+ tiled_width := 1024{512};
+ tiled_height := 1024{512};
+
+ texture_size := 1024{512};
+
+ (* Time for fun with data type = record *)
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_DITHER);
+
+ glGenTextures(1, @texture_ids);
+
+ current := 0;
+ (* Setup texture. *)
+ textures.id := texture_ids;
+ textures.poly_width := texture_size;
+ textures.poly_height := texture_size;
+ textures.movie_width := movie_width - 2;
+ textures.movie_height := movie_height - 2;
+ textures.row := i;
+ textures.col := j;
+ textures.skip_pixels := skip_pixels;
+ textures.skip_rows := skip_rows;
+
+ SetLength( pixels, textures.poly_width * textures.poly_height * 4 );
+ if ( pixels = nil ) then
+ begin
+ glDeleteTextures(1, @texture_ids);
+ result := GL_OUT_OF_MEMORY;
+ exit;
+ end;
+ //FillChar( pixels^, textures[ current ].poly_width * textures[ current ].poly_height * 4, 0 );
+
+ (* Do all of our useful binding. *)
+ glBindTexture(GL_TEXTURE_2D, texture_ids);
+// glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ (* Specify our 256x256 black texture. *)
+ glTexImage2D( GL_TEXTURE_2D,
+ 0,
+ GL_RGB,
+ 1024{512},//textures.poly_width,
+ 1024{512},//textures.poly_height,
+ 0,
+ GL_RGBA,
+ GL_UNSIGNED_BYTE,
+ @pixels[0] );
+ SetLength( pixels, 0 );
+
+
+ (* Simple state setup at the end. *)
+ result := glGetError( );
+end;
+
+procedure glmpeg_update( surface : PSDL_Surface; x : Sint32; y : Sint32; w : Uint32;
+ h : Uint32 ); cdecl;
+var
+ error : TGLenum;
+begin
+ glClear( GL_COLOR_BUFFER_BIT );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity;
+ DrawSmpeg( PGLubyte( surface.pixels ) );
+ error := glGetError( );
+ if ( error <> GL_NO_ERROR ) then Exit;
+ SDL_GL_SwapBuffers;
+end;
+
+procedure DrawSmpeg(frame: PGLubyte);
+var
+ Shift: TGLdouble;
+ CropT: real;
+ CropB: real;
+ TexT: real;
+ TexB: real;
+ TexL: real;
+ TexR: real;
+ Wide: boolean;
+begin
+ (* full screen mpeg *)
+{ CropT := 0;
+ CropB := 600;
+ TexT := 0;
+ TexB := 1;
+ TexL := 0;
+ TexW := 1;}
+
+ // set movie texture crop
+ Wide := false;
+ if (textures.movie_width = 720-2) and (textures.movie_height = 344-2) then begin
+ TexT := 0;
+ TexB := 342/1024;
+ Wide := true;
+ end;
+ if textures.movie_height = 304-2 then begin
+ TexT := 0;
+ TexB := 304/1024;
+ Wide := true;
+ end;
+ if textures.movie_height = 152-2 then begin
+ TexT := 0;
+ TexB := 152/1024;
+ Wide := true;
+ end;
+
+ CropT := 110; // (110/800 = 13,75% max crop)
+ CropB := 490; // (110/800 = 13,75% max crop)
+
+ if (textures.movie_height <> 304-2) and (textures.movie_height <> 152-2) and (textures.movie_height <> 344-2) then begin
+ TexT := 110 / 600 * (textures.movie_height / 1024{512});
+ TexB := 490 / 600 * (textures.movie_height / 1024{512});
+
+ if Ini.MovieSize = 1 then begin
+ // full screen size
+ CropT := 0;
+ CropB := 600;
+ TexT := 0;
+ TexB := textures.movie_height / 1024{512};
+ end;
+ end;
+
+ TexL := {10}0/600 * (textures.movie_width / 1024{512});
+ TexR := {590}600/600 * (textures.movie_width / 1024{512});
+
+ glEnable(GL_TEXTURE_2D);
+ glDisable(GL_BLEND);
+ glColor3f(1, 1, 1);
+ glBindTexture( GL_TEXTURE_2D, texture_ids );
+// glPixelStorei( GL_UNPACK_ROW_LENGTH, movie_width );
+ glPixelStorei( GL_UNPACK_SKIP_ROWS, 0);
+ glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0);
+ glTexSubImage2D( GL_TEXTURE_2D, 0, 0, (* offset_x *) 0, (* offset_y *) textures.movie_width + 2, textures.movie_height + 2, GL_RGBA, GL_UNSIGNED_BYTE, frame );
+
+ // draw
+ glBegin( GL_QUADS );
+ glTexCoord2f(TexL, TexT); glVertex2f(0, CropT);
+ glTexCoord2f(TexL, TexB); glVertex2f(0, CropB);
+ glTexCoord2f(TexR, TexB); glVertex2f(800, CropB);
+ glTexCoord2f(TexR, TexT); glVertex2f(800, CropT);
+ glEnd;
+ glDisable(GL_TEXTURE_2D);
+end;
+
+procedure glmovie_resize( width : GLuint; height : GLuint );
+begin
+ glViewport(0, 0, width, height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity;
+ gluOrtho2D(0, 800, 600, 0);
+end;
+
+procedure glmovie_quit;
+begin
+ glDeleteTextures(1, @texture_ids);
+end;
+
+end.
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