diff options
Diffstat (limited to 'src/parsec/m_logo.cpp')
| -rw-r--r-- | src/parsec/m_logo.cpp | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/src/parsec/m_logo.cpp b/src/parsec/m_logo.cpp new file mode 100644 index 0000000..9cdcbfb --- /dev/null +++ b/src/parsec/m_logo.cpp @@ -0,0 +1,343 @@ +/* + * PARSEC - Rotating Logo + * + * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:26 $ + * + * Orginally written by: + * Copyright (c) Markus Hadwiger <msh@parsec.org> 1998-2000 + * Copyright (c) Andreas Varga <sid@parsec.org> 1999-2000 + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +// C library +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +// compilation flags/debug support +#include "config.h" +#include "debug.h" + +// general definitions +#include "general.h" +#include "objstruc.h" + +// global externals +#include "globals.h" + +// subsystem headers +#include "sys_defs.h" +#include "vid_defs.h" + +// local module header +#include "m_logo.h" + +// proprietary module headers +#include "con_aux.h" +#include "e_draw.h" +#include "e_supp.h" +#include "m_main.h" + + +// flags +#define FPS_INDEPENDENT_FLOATLOGO_ROTATION + + + +// logo animation frame info -------------------------------------------------- +// +struct logo_anim_info_s { + + const char* texname; + TextureMap* texmap; +}; + +static logo_anim_info_s logo_anim_info[] = { + + { "logani00", NULL }, + { "logani01", NULL }, + { "logani02", NULL }, + { "logani03", NULL }, + { "logani04", NULL }, + { "logani05", NULL }, + { "logani06", NULL }, + { "logani07", NULL }, + { "logani08", NULL }, + { "logani09", NULL }, + { "logani10", NULL }, + { "logani11", NULL }, + { "logani12", NULL }, + { "logani13", NULL }, + { "logani14", NULL }, + { "logani15", NULL }, + { "logani16", NULL }, + { "logani17", NULL }, + { "logani18", NULL }, + { "logani19", NULL }, + { "logani20", NULL }, + { "logani21", NULL }, + { "logani22", NULL }, + { "logani23", NULL }, + { "logani24", NULL }, + { "logani25", NULL }, + { "logani26", NULL }, + { "logani27", NULL }, + { "logani28", NULL }, + { "logani29", NULL }, + + { NULL, NULL } +}; + + +static int logo_anim_valid = FALSE; +static int logo_anim_frame = 0; +static refframe_t logo_anim_count = REFFRAME_INVALID; + + +// logo geometry and timing --------------------------------------------------- +// +#define LOGO_WIDTH 256 +#define LOGO_HEIGHT 114 //128 +#define LOGO_XOFS -5 +#define LOGO_YOFS 15 +#define LOGO_ALPHA 255 + +#define LOGO_ANIM_LEN 30 +#define LOGO_ANIM_SPEED 40 + +#define LOGO_POS_RIGHT 0 +#define LOGO_POS_LEFT ( m_sintab_size - 1 ) + +#define LOGO_SLIDE_SPEED 12 + + +// try to acquire textures for logo animation --------------------------------- +// +PRIVATE +int AcquireLogoTextures() +{ + if ( logo_anim_valid ) + return TRUE; + + logo_anim_valid = TRUE; + + for ( int tid = 0; logo_anim_info[ tid ].texname; tid++ ) { + + TextureMap *texmap = FetchTextureMap( logo_anim_info[ tid ].texname ); + logo_anim_info[ tid ].texmap = texmap; + + if ( texmap == NULL ) { + logo_anim_valid = FALSE; + } + } + + return logo_anim_valid; +} + + +// logo sliding --------------------------------------------------------------- +// +static int logo_slidepos = LOGO_POS_RIGHT; +static int logo_slidetarget = LOGO_POS_LEFT; +static refframe_t logo_lastref = REFFRAME_INVALID; + + +// slide the logo to its specifed target x position --------------------------- +// +PRIVATE +void DoLogoSliding() +{ + if ( logo_slidepos == logo_slidetarget ) { + logo_lastref = REFFRAME_INVALID; + return; + } + + if ( logo_slidepos < logo_slidetarget ) { + + // slide right + refframe_t refframecount = SYSs_GetRefFrameCount(); + if ( logo_lastref == REFFRAME_INVALID ) { + logo_lastref = refframecount; + } else { + refframe_t delta = refframecount - logo_lastref; + for ( ; delta >= LOGO_SLIDE_SPEED; delta -= LOGO_SLIDE_SPEED ) { + logo_slidepos++; + if ( logo_slidepos >= logo_slidetarget ) { + logo_slidepos = logo_slidetarget; + logo_lastref = REFFRAME_INVALID; + break; + } + logo_lastref += LOGO_SLIDE_SPEED; + } + } + + } else { + + // slide left + refframe_t refframecount = SYSs_GetRefFrameCount(); + if ( logo_lastref == REFFRAME_INVALID ) { + logo_lastref = refframecount; + } else { + refframe_t delta = refframecount - logo_lastref; + for ( ; delta >= LOGO_SLIDE_SPEED; delta -= LOGO_SLIDE_SPEED ) { + logo_slidepos--; + if ( logo_slidepos <= logo_slidetarget ) { + logo_slidepos = logo_slidetarget; + logo_lastref = REFFRAME_INVALID; + break; + } + logo_lastref += LOGO_SLIDE_SPEED; + } + } + } +} + + +// let the logo rotate (texture frame animation) ------------------------------ +// +PRIVATE +void DoLogoRotation() +{ + +#ifdef FPS_INDEPENDENT_FLOATLOGO_ROTATION + + // determine next animation frame + if ( AUX_DISABLE_FLOATLOGO_ROTATION ) { + + logo_anim_count = REFFRAME_INVALID; + logo_anim_frame = 0; + + } else { + + refframe_t refframecount = SYSs_GetRefFrameCount(); + if ( logo_anim_count == REFFRAME_INVALID ) { + logo_anim_count = refframecount; + } else { + refframe_t delta = refframecount - logo_anim_count; + if ( delta > LOGO_ANIM_SPEED * 5 ) { + delta = LOGO_ANIM_SPEED; + logo_anim_count = refframecount - LOGO_ANIM_SPEED; + } + for ( ; delta >= LOGO_ANIM_SPEED; delta -= LOGO_ANIM_SPEED ) { + logo_anim_frame++; + if ( logo_anim_frame >= LOGO_ANIM_LEN ) + logo_anim_frame -= LOGO_ANIM_LEN; + logo_anim_count += LOGO_ANIM_SPEED; + } + } + } + +#else + + //NOTE: + // this logo animation is not totally frame rate independent. + // there will never be any frames dropped due to a very + // low frame rate. if the frame rate is very low, the logo + // will rotate with one logo-frame per screen-frame. + + int incframe = 1; + refframe_t refframecount = SYSs_GetRefFrameCount(); + + if ( logo_anim_count == REFFRAME_INVALID ) { + logo_anim_count = refframecount; + incframe = 0; + } + + if ( refframecount - logo_anim_count <= LOGO_ANIM_SPEED ) + incframe = 0; + else + logo_anim_count = refframecount; + + if ( incframe ) + logo_anim_frame++; + + if ( ( logo_anim_frame >= LOGO_ANIM_LEN ) || AUX_DISABLE_FLOATLOGO_ROTATION ) { + logo_anim_frame = 0; + } + +#endif + +} + + +// draw animated logo --------------------------------------------------------- +// +void DrawMenuLogo() +{ + // make sure textures are available + if ( !AcquireLogoTextures() ) + return; + + DoLogoSliding(); + DoLogoRotation(); + + // check whether actual drawing disabled + if ( AUX_DISABLE_FLOATING_MENU_DRAWING ) + return; + + texscreenrect_s rect; + + rect.x = Screen_Width - LOGO_WIDTH + LOGO_XOFS; + if ( logo_slidepos != -1 ) + rect.x += m_sintab[ logo_slidepos ]; + rect.y = Screen_Height - LOGO_HEIGHT + LOGO_YOFS; + rect.w = rect.scaled_w = LOGO_WIDTH; + rect.h = rect.scaled_h = LOGO_HEIGHT; + rect.texofsx = 0; + rect.texofsy = 0; + rect.itertype = iter_texrgba | iter_premulblend; + rect.texmap = logo_anim_info[ logo_anim_frame ].texmap; + rect.alpha = LOGO_ALPHA; + + DRAW_TexturedScreenRect( &rect, NULL ); +} + + +// set slide target for logo to left (in) ------------------------------------- +// +void SlideInLogo() +{ + logo_slidetarget = LOGO_POS_LEFT; +} + + +// set slide target for logo to right (out) ----------------------------------- +// +void SlideOutLogo() +{ + logo_slidetarget = LOGO_POS_RIGHT; +} + + +// set position and slide target for logo to left (in) ------------------------ +// +void MoveInLogo() +{ + logo_slidepos = LOGO_POS_LEFT; + logo_slidetarget = logo_slidepos; +} + + +// set position and slide target for logo to right (out) ---------------------- +// +void MoveOutLogo() +{ + logo_slidepos = LOGO_POS_RIGHT; + logo_slidetarget = logo_slidepos; +} + + + |