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#ifndef UNIT_H
#define UNIT_H
#include <camera.h>
#include <gfx.h>
#include <sfx.h>
#include <instance.h>
#include <unit_type.h>
#include <util.h>
#include <fixmath.h>
#include <stdbool.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C"
{
#endif
enum unit_state
{
UNIT_STATE_IDLE_MOVING
};
struct unit_target
{
struct instance *ins;
enum unit_state state;
instance_done_cb done;
void *op;
};
struct unit
{
struct instance instance;
enum unit_type type;
const char *name;
enum unit_dir
{
UNIT_DIR_W,
UNIT_DIR_S,
UNIT_DIR_N,
UNIT_DIR_E
} dir;
enum unit_state state;
struct
{
unsigned char t, i;
} frame;
fix16_t rx, ry, tx, ty;
struct unit_target target;
};
UTIL_STATIC_ASSERT(!offsetof(struct unit, instance), "must be at offset zero");
struct unit_cfg
{
enum
{
UNIT_CFG_TYPE_WALKER,
UNIT_CFG_TYPE_CAR
} type;
unsigned long x, y;
};
void unit_create(const struct unit_cfg *cfg, struct unit *u);
int unit_render(const struct unit *u, const struct camera *cam, bool sel);
bool unit_can_harvest(const struct unit *u);
bool unit_target_valid(const struct unit *u, const struct unit_target *t);
void unit_set_target(struct unit *u, const struct unit_target *t);
void unit_move_to(struct unit *u, unsigned long x, unsigned long y);
void unit_update(struct unit *u);
enum
{
UNIT_1_SPRITE,
UNIT_2_SPRITE,
UNIT_3_SPRITE,
UNIT_4_SPRITE,
UNIT_5_SPRITE,
UNIT_6_SPRITE,
UNIT_CAR_1_SPRITE,
UNIT_CAR_2_SPRITE,
MAX_UNIT_SPRITES
};
extern struct sprite unit_sprites[MAX_UNIT_SPRITES];
enum unit_sound
{
UNIT_SOUND_SELECTED,
UNIT_SOUND_MOVE,
UNIT_SOUND_MOVE_2,
MAX_UNIT_SOUNDS
};
extern struct sound unit_sounds[MAX_UNIT_SOUNDS];
#ifdef __cplusplus
}
#endif
#endif /* UNIT_H */
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