generic.h

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#ifndef _GENERIC_H_
#define _GENERIC_H_

#include "anim/animplay.h"
#include "bmpman/bmpman.h"
#include "cfile/cfile.h"
#include "globalincs/pstypes.h"

#define GENERIC_ANIM_DIRECTION_FORWARDS         0
#define GENERIC_ANIM_DIRECTION_BACKWARDS        1
#define GENERIC_ANIM_DIRECTION_NOLOOP           2
#define GENERIC_ANIM_DIRECTION_PAUSED           4

// Goober5000
typedef struct generic_anim {
        char filename[MAX_FILENAME_LEN];
        int     first_frame;
        int     num_frames;
        int     keyframe;
        int keyoffset;
        int current_frame;
        int previous_frame;
        unsigned char direction;
        unsigned char done_playing;
        float total_time;               // in seconds
        float anim_time;        // current animation time

        //we only care about the stuff below if we're streaming
        union {
                struct {
                        anim *animation;
                        anim_instance *instance;
                        BM_TYPE bg_type;        //to store background type to avoid messed up colours
                } ani;
                struct {
                        int next_frame;
                } eff;
        };
        ubyte type;
        unsigned char streaming;
        ubyte *buffer;
        int height;
        int width;
        int bitmap_id;
        bool use_hud_color;
} generic_anim;

// Goober5000
typedef struct generic_bitmap {
        char filename[MAX_FILENAME_LEN];
        int bitmap_id;
} generic_bitmap;

bool generic_bitmap_exists(const char *filename);
bool generic_anim_exists(const char *filename);
int generic_anim_init_and_stream(generic_anim *ga, const char *anim_filename, BM_TYPE bg_type, bool attempt_hi_res);
void generic_anim_init(generic_anim *ga);
void generic_anim_init(generic_anim *ga, const char *filename);
void generic_anim_init(generic_anim *ga, const SCP_string& filename);
void generic_bitmap_init(generic_bitmap *gb, const char *filename = NULL);
int generic_anim_load(generic_anim *ga);
int generic_anim_stream(generic_anim *ga);
int generic_bitmap_load(generic_bitmap *gb);
void generic_anim_unload(generic_anim *ga);
void generic_anim_render(generic_anim *ga, float frametime, int x, int y, bool menu = false);

#endif