scubywasm_engine.h

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#ifndef SCUBYWASM_ENGINE_H
#define SCUBYWASM_ENGINE_H
 
#ifndef FREESTANDING
#    define FREESTANDING 1
#endif
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
enum ActionFlags : unsigned int
{
    ACTION_NONE = 0U,
 
    ACTION_THRUST = 1U,
 
    ACTION_TURN_LEFT = 2U,
 
    ACTION_TURN_RIGHT = 4U,
 
    ACTION_FIRE = 8U,
};
 
struct Config
{
    float ship_max_turn_rate;
 
    float ship_max_velocity;
 
    float ship_hit_radius;
 
    float shot_velocity;
 
    int32_t shot_lifetime;
};
 
struct Pose
{
    float x;
 
    float y;
 
    float heading;
};
 
struct Context;
 
#if FREESTANDING
[[nodiscard]] struct Config *get_config_buffer(void);
#endif
 
void set_default_config(struct Config *cfg);
 
[[nodiscard]] struct Context *create_context(const struct Config *cfg);
 
void free_context(struct Context *ctx);
 
#if FREESTANDING
[[nodiscard]] struct Pose *get_pose_buffer(void);
#endif
 
[[nodiscard]] uint32_t add_agent(struct Context *ctx, const struct Pose *pose);
 
int32_t
set_action(struct Context *ctx, uint32_t agent_id, enum ActionFlags flags);
 
uint32_t tick(struct Context *ctx, uint32_t n_times);
 
void get_ship_pose(const struct Context *ctx,
                   uint32_t agent_id,
                   struct Pose *pose);
 
int32_t
get_shot_pose(const struct Context *ctx, uint32_t agent_id, struct Pose *pose);
 
[[nodiscard]] int32_t is_alive(const struct Context *ctx, uint32_t agent_id);
 
[[nodiscard]] int32_t get_score(const struct Context *ctx, uint32_t agent_id);
 
#ifdef __cplusplus
}
#endif
#endif // SCUBYWASM_ENGINE_H