editor.h

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#pragma once
 
#include "kui_types.h"
#include <core/frame_data.h>
#include <core/keymap.h>
#include <kui_system.h>
#include <platform/platform.h>
#include <renderer/kforward_renderer.h>
#include <world/world_types.h>
 
#define EDITOR_AXIS_COLOUR_R \
    (colour4){1.0f, 0.5f, 0.5f, 1.0f}
#define EDITOR_AXIS_COLOUR_G \
    (colour4){0.5f, 1.0f, 0.5f, 1.0f}
#define EDITOR_AXIS_COLOUR_B \
    (colour4){0.5f, 0.5f, 1.0f, 1.0f}
 
#include "editor/editor_gizmo.h"
 
typedef struct keditor_gizmo_pass_render_data {
    mat4 projection;
    mat4 view;
 
    b8 visible;
 
    kdebug_geometry_render_data geometry;
 
    mat4 gizmo_transform;
 
    b8 do_pass;
} keditor_gizmo_pass_render_data;
 
typedef enum editor_mode {
    EDITOR_MODE_SCENE,
    EDITOR_MODE_ENTITY,
    EDITOR_MODE_TREE,
    EDITOR_MODE_ASSETS
} editor_mode;
 
typedef struct keditor_gizmo_pass_data {
    kshader gizmo_shader;
    u32 set0_instance_id;
} keditor_gizmo_pass_data;
 
typedef struct editor_state {
    // Editor camera
    kcamera editor_camera;
    f32 editor_camera_forward_move_speed;
    f32 editor_camera_backward_move_speed;
    editor_gizmo gizmo;
    b8 using_gizmo;
    // Editor state
    // Darray of selected entities.
    kentity* selection_list;
    keymap editor_keymap;
 
    b8 is_running;
 
    // Pointer to the scene currently owned by the editor (NOT necessarily the scene owned by the game code currently!)
    struct kscene* edit_scene;
    kname scene_asset_name;
    kname scene_package_name;
 
    keditor_gizmo_pass_data editor_gizmo_pass;
    struct renderer_system_state* renderer;
    krenderbuffer standard_vertex_buffer;
    krenderbuffer index_buffer;
 
    keditor_gizmo_pass_render_data* editor_gizmo_render_data;
 
    editor_mode mode;
 
    u16 font_size;
    kname font_name;
    u16 textbox_font_size;
    kname textbox_font_name;
 
    // UI elements
    kui_state* kui_state;
    kui_control editor_root;
 
    // Main window
    kui_control main_bg_panel;
    kui_control save_button;
    kui_control mode_entity_button;
    kui_control mode_scene_button;
    kui_control mode_tree_button;
    kui_control view_debug_checkbox;
    kui_control view_bvh_checkbox;
    kui_control view_grid_checkbox;
 
    // Scene Inspector window
    f32 scene_inspector_width;
    // Beginning position of the entity inspector right column.
    f32 scene_inspector_right_col_x;
    kui_control scene_inspector_bg_panel;
    kui_control scene_inspector_title;
    kui_control scene_name_label;
    kui_control scene_name_textbox;
    kui_control scene_fog_colour_label;
    kui_control scene_fog_colour_r_textbox;
    kui_control scene_fog_colour_g_textbox;
    kui_control scene_fog_colour_b_textbox;
 
    // Entity Inspector window
    f32 entity_inspector_width;
    // Beginning position of the entity inspector right column.
    f32 entity_inspector_right_col_x;
    kui_control entity_inspector_bg_panel;
    kui_control entity_inspector_title;
    kui_control entity_name_label;
    kui_control entity_name_textbox;
    kui_control entity_position_label;
    kui_control entity_position_x_textbox;
    kui_control entity_position_y_textbox;
    kui_control entity_position_z_textbox;
 
    kui_control entity_orientation_label;
    kui_control entity_orientation_x_textbox;
    kui_control entity_orientation_y_textbox;
    kui_control entity_orientation_z_textbox;
    kui_control entity_orientation_w_textbox;
 
    kui_control entity_scale_label;
    kui_control entity_scale_x_textbox;
    kui_control entity_scale_y_textbox;
    kui_control entity_scale_z_textbox;
 
    // Tree window
    b8 trigger_tree_refresh;
    f32 tree_inspector_width;
    // Beginning position of the entity inspector right column.
    f32 tree_inspector_right_col_x;
    kui_control tree_inspector_bg_panel;
    kui_control tree_inspector_title;
    kui_control tree_scrollable_control;
    kui_control tree_content_container;
 
} editor_state;
 
KAPI b8 editor_initialize(u64* memory_requirement, struct editor_state* state);
KAPI void editor_shutdown(struct editor_state* state);
 
KAPI b8 editor_open(struct editor_state* state, kname scene_name, kname scene_package_name);
KAPI b8 editor_close(struct editor_state* state);
KAPI void editor_set_mode(struct editor_state* state, editor_mode mode);
 
KAPI void editor_clear_selected_entities(struct editor_state* state);
KAPI void editor_select_entities(struct editor_state* state, u32 count, kentity* entities);
KAPI void editor_add_to_selected_entities(struct editor_state* state, u32 count, kentity* entities);
KAPI void editor_select_parent(struct editor_state* state);
KAPI b8 editor_selection_contains(struct editor_state* state, kentity entity);
 
KAPI void editor_update(struct editor_state* state, frame_data* p_frame_data);
KAPI void editor_frame_prepare(struct editor_state* state, frame_data* p_frame_data, b8 draw_gizmo, keditor_gizmo_pass_render_data* gizmo_pass_render_data);
KAPI b8 editor_render(struct editor_state* state, frame_data* p_frame_data, ktexture colour_buffer_target, b8 draw_gizmo, keditor_gizmo_pass_render_data* gizmo_pass_render_data);
 
KAPI void editor_on_window_resize(struct editor_state* state, const struct kwindow* window);
 
KAPI void editor_setup_keymaps(struct editor_state* state);
KAPI void editor_destroy_keymaps(struct editor_state* state);
 
KAPI void editor_on_lib_load(struct editor_state* state);
KAPI void editor_on_lib_unload(struct editor_state* state);