kcamera_system.h

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#pragma once
 
#include "defines.h"
#include "math/math_types.h"
 
typedef struct kcamera_system_config {
    u8 max_camera_count;
 
} kcamera_system_config;
 
typedef u8 kcamera;
 
typedef enum kcamera_type {
    // Will use orthographic projection
    KCAMERA_TYPE_2D,
    // Will use perspective projection.
    KCAMERA_TYPE_3D
} kcamera_type;
 
#define DEFAULT_KCAMERA 0
#define INVALID_KCAMERA INVALID_ID_U8
 
b8 kcamera_system_initialize(u64* memory_requirement, void* state, void* config);
 
void kcamera_system_shutdown(void* state);
 
KAPI kcamera kcamera_create(kcamera_type type, rect_2di vp_rect, vec3 position, vec3 euler_rotation, f32 fov_radians, f32 near_clip, f32 far_clip);
 
KAPI kcamera kcamera_clone(kcamera camera);
 
KAPI void kcamera_destroy(kcamera camera);
 
KAPI kcamera kcamera_system_get_default(void);
 
KAPI vec3 kcamera_get_position(kcamera camera);
KAPI void kcamera_set_position(kcamera camera, vec3 position);
KAPI vec3 kcamera_get_euler_rotation(kcamera camera);
KAPI void kcamera_set_euler_rotation(kcamera camera, vec3 euler_rotation);
KAPI void kcamera_set_euler_rotation_radians(kcamera camera, vec3 euler_rotation_radians);
KAPI f32 kcamera_get_fov(kcamera camera);
KAPI void kcamera_set_fov(kcamera camera, f32 fov);
KAPI f32 kcamera_get_near_clip(kcamera camera);
KAPI void kcamera_set_near_clip(kcamera camera, f32 near_clip);
KAPI f32 kcamera_get_far_clip(kcamera camera);
KAPI void kcamera_set_far_clip(kcamera camera, f32 far_clip);
KAPI rect_2di kcamera_get_vp_rect(kcamera camera);
KAPI void kcamera_set_vp_rect(kcamera camera, rect_2di vp_rect);
 
KAPI kfrustum kcamera_get_frustum(kcamera camera);
KAPI mat4 kcamera_get_view(kcamera camera);
KAPI mat4 kcamera_get_transform(kcamera camera);
KAPI mat4 kcamera_get_projection(kcamera camera);
KAPI mat4 kcamera_get_projection_far_clipped(kcamera camera, f32 far);
 
KAPI vec3 kcamera_forward(kcamera camera);
 
KAPI vec3 kcamera_backward(kcamera camera);
 
KAPI vec3 kcamera_left(kcamera camera);
 
KAPI vec3 kcamera_right(kcamera camera);
 
KAPI vec3 kcamera_up(kcamera camera);
 
KAPI vec3 kcamera_down(kcamera camera);
 
KAPI void kcamera_move_direction(kcamera camera, vec3 direction, b8 normalize_dir, f32 amount);
 
KAPI void kcamera_move_forward(kcamera camera, f32 amount);
 
KAPI void kcamera_move_backward(kcamera camera, f32 amount);
 
KAPI void kcamera_move_left(kcamera camera, f32 amount);
 
KAPI void kcamera_move_right(kcamera camera, f32 amount);
 
KAPI void kcamera_move_up(kcamera camera, f32 amount);
 
KAPI void kcamera_move_down(kcamera camera, f32 amount);
 
KAPI void kcamera_yaw(kcamera camera, f32 amount);
 
KAPI void kcamera_pitch(kcamera camera, f32 amount);