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taylor
8cff897180
make use of VALID_FNAME() where possible fix an animation time issue (sub-second animation playback caused div-by-0)
90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
/*
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* $Logfile: /Freespace2/code/graphics/generic.cpp $
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* $Revision: 1.1.2.3 $
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* $Date: 2007-02-12 00:22:05 $
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* $Author: taylor $
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*
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* Generic graphics functions
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*
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* $Log: not supported by cvs2svn $
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* Revision 1.1.2.2 2006/12/26 05:15:40 taylor
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* support both "none" and "<none>" on filenames to skip (will do this better later, ran out of time)
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*
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* Revision 1.1.2.1 2006/10/07 02:43:46 Goober5000
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* bypass annoying warnings for nonexistent bitmaps
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*
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* Revision 1.1 2005/11/21 23:55:00 taylor
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* add generic.cpp and generic.h
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*
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*
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* $NoKeywords: $
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*/
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#include "globalincs/pstypes.h"
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#include "bmpman/bmpman.h"
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#include "graphics/generic.h"
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// Goober5000
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void generic_anim_init(generic_anim *ga, char *filename)
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{
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if (filename == NULL) {
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ga->filename[0] = '\0';
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} else {
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strncpy(ga->filename, filename, MAX_FILENAME_LEN - 1);
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ga->filename[strlen(ga->filename)] = '\0';
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}
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ga->first_frame = -1;
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ga->num_frames = 0;
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ga->total_time = 1.0f;
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}
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// Goober5000
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void generic_bitmap_init(generic_bitmap *gb, char *filename)
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{
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if (filename == NULL) {
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gb->filename[0] = '\0';
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} else {
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strncpy(gb->filename, filename, MAX_FILENAME_LEN - 1);
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gb->filename[strlen(gb->filename)] = '\0';
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}
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gb->bitmap_id = -1;
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}
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// Goober5000
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// load a generic_anim
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// return 0 is successful, otherwise return -1
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int generic_anim_load(generic_anim *ga)
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{
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int fps;
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if ( !VALID_FNAME(ga->filename) )
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return -1;
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ga->first_frame = bm_load_animation(ga->filename, &ga->num_frames, &fps);
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if (ga->first_frame < 0)
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return -1;
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Assert(fps != 0);
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ga->total_time = ga->num_frames / (float)fps;
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return 0;
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}
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int generic_bitmap_load(generic_bitmap *gb)
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{
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if ( !VALID_FNAME(gb->filename) )
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return -1;
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gb->bitmap_id = bm_load(gb->filename);
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if (gb->bitmap_id < 0)
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return -1;
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return 0;
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}
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