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trueno/src/editor/trile_editor.jai

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#scope_file
rotation : float = 0.0;
tilt : float = 0.0;
zoom : float = 3.0;
brush_radius : int = 5;
roughness : int = 0;
metallic : int = 0;
emittance : int = 0;
hovered_trixel_x : int = -1;
hovered_trixel_y : int = -1;
hovered_trixel_z : int = -1;
TRILE_ROTATION_SPEED :: 2.0;
Trile_Editor_Tab :: enum {
TOOLSET;
METADATA;
MATERIAL;
};
Trile_Editor_Tool :: enum {
PAINT;
ADD;
REMOVE;
}
Trile_Editor_Tool_Mode :: enum {
POINT;
BRUSH;
AREA;
}
current_tab : Trile_Editor_Tab = .TOOLSET;
current_tool : Trile_Editor_Tool = .PAINT;
current_mode : Trile_Editor_Tool_Mode = .AREA;
current_trile : Trile;
#scope_file
apply_tool_to_trixel :: (x: s64, y: s64, z: s64) {
if current_tool == .PAINT {
current_trile.trixels[x][y][z].material.color = current_color;
}
if current_tool == .ADD {
current_trile.trixels[x][y][z].empty = false;
}
if current_tool == .REMOVE {
current_trile.trixels[x][y][z].empty = true;
}
}
area_start_x : int;
area_start_y : int;
area_start_z : int;
area_active : bool;
handle_tool_click :: () {
if hovered_trixel_x < 0 && hovered_trixel_y < 0 && hovered_trixel_z < 0 then return;
if current_mode == .POINT {
apply_tool_to_trixel(hovered_trixel_x, hovered_trixel_y, hovered_trixel_z);
}
if current_mode == .BRUSH {
is_in_radius :: (point : Vector3, radius: float) -> bool {
center : Vector3 = .{xx hovered_trixel_x, xx hovered_trixel_y, xx hovered_trixel_z};
return length(point - center) <= radius;
}
for x: 0..15 {
for y: 0..15 {
for z: 0..15 {
if is_in_radius(.{xx x, xx y, xx z}, xx brush_radius) {
apply_tool_to_trixel(x,y,z);
}
}
}
}
}
if current_mode == .AREA {
if area_active {
// Apply tool to all trixels in the area.
for x: min(area_start_x, hovered_trixel_x)..max(hovered_trixel_x, area_start_x) {
for y: min(area_start_y, hovered_trixel_y)..max(hovered_trixel_y, area_start_y) {
for z: min(area_start_z, hovered_trixel_z)..max(hovered_trixel_z, area_start_z) {
apply_tool_to_trixel(x,y,z);
}
}
}
area_active = false;
} else {
area_active = true;
area_start_x = hovered_trixel_x;
area_start_y = hovered_trixel_y;
area_start_z = hovered_trixel_z;
}
}
}
#scope_export
current_color : Vector3 = .{1.0, 0.0, 0.0};
tick_trile_editor :: () {
if input_button_states[Key_Code.MOUSE_BUTTON_LEFT] & .START {
handle_tool_click();
}
if !input_button_states[Key_Code.CTRL] & .DOWN {
if input_button_states[#char "D"] & .DOWN {
rotation += TRILE_ROTATION_SPEED * cast(float) delta_time;
}
if input_button_states[#char "A"] & .DOWN {
rotation -= TRILE_ROTATION_SPEED * cast(float) delta_time;
}
if input_button_states[#char "W"] & .DOWN {
tilt += TRILE_ROTATION_SPEED * cast(float) delta_time;
}
if input_button_states[#char "S"] & .DOWN {
tilt -= TRILE_ROTATION_SPEED * cast(float) delta_time;
}
}
trile_editor_shortcuts();
tilt = clamp(tilt, -(PI/2.0) + 0.01, PI/2.0 - 0.01);
zoom = clamp(zoom + mouse_delta_z * -0.2, 1.0, 3.0);
cam := get_trile_editor_camera();
ray := get_mouse_ray(*cam);
}
get_trile_editor_camera :: () -> Camera {
camera: Camera;
camera.near = 0.1;
camera.far = 100;
cameraDir : Vector3 = .{1, 0, 0};
qrotation : Quaternion = .{cos(rotation/2.0),0,sin(rotation/2.0),0};
qtilt : Quaternion = .{cos(tilt/2.0),sin(tilt/2.0), 0, 0};
rotate(*cameraDir, qrotation * qtilt);
camera.position = .{0.5, 0.5, 0.5};
camera.position += cameraDir * zoom;
camera.target = .{0.5, 0.5, 0.5};
return camera;
}
global_palette_scroll : float = 0.0;
trile_palette_scroll : float = 0.0;
draw_tool_tab :: (theme: *GR.Overall_Theme, area: GR.Rect) {
r := area;
r.h = ui_h(4, 0);
if GR.button(r, "Paint (P)", *t_button_selectable(theme, current_tool == .PAINT)) {
current_tool = .PAINT;
}
r.y += r.h;
if GR.button(r, "Add (+)", *t_button_selectable(theme, current_tool == .ADD)) {
current_tool = .ADD;
}
r.y += r.h;
if GR.button(r, "Remove (-)", *t_button_selectable(theme, current_tool == .REMOVE)) {
current_tool = .REMOVE;
}
r.y += r.h * 3;
if GR.button(r, "Point (c-P)", *t_button_selectable(theme, current_mode == .POINT)) {
current_mode = .POINT;
}
r.y += r.h;
if GR.button(r, "Area (c-A)", *t_button_selectable(theme, current_mode == .AREA)) {
current_mode = .AREA;
}
r.y += r.h;
if GR.button(r, "Brush (c-B)", *t_button_selectable(theme, current_mode == .BRUSH)) {
current_mode = .BRUSH;
}
r.y += r.h;
GR.slider(r, *brush_radius, 0, 12, 1, *theme.slider_theme);
r.y += r.h * 2;
if GR.button(r, "Save and gen", *theme.button_theme) {
//temptest:
print("Testing meshgen!\n");
set_trile("test", generate_mesh_matias(*current_trile));
};
}
draw_material_tab :: (theme: *GR.Overall_Theme, area: GR.Rect) {
r := area;
r.h = ui_h(42, 0);
GR.color_picker(r, *current_color, *theme.color_picker_theme);
r.y += r.h;
r.h = ui_h(100,0) - r.y;
r.h -= ui_h(18,0);
r.h /= 2;
region, inside := GR.begin_scrollable_region(r, *theme.scrollable_region_theme);
s := inside;
GR.end_scrollable_region(region, s.x + s.w, s.y + s.h, *global_palette_scroll);
r.y += r.h;
region, inside = GR.begin_scrollable_region(r, *theme.scrollable_region_theme);
s = inside;
GR.end_scrollable_region(region, s.x + s.w, s.y + s.h, *trile_palette_scroll);
r.y += r.h;
r.h = ui_h(3,2);
GR.label(r, "Roughness", *t_label_left(theme));
r.y += r.h;
GR.slider(r, *roughness, 0, 7, 1, *theme.slider_theme);
r.y += r.h;
GR.label(r, "Metallic", *t_label_left(theme));
r.y += r.h;
GR.slider(r, *metallic, 0, 3, 1, *theme.slider_theme);
r.y += r.h;
GR.label(r, "Emittance", *t_label_left(theme));
r.y += r.h;
GR.slider(r, *emittance, 0, 2, 1, *theme.slider_theme);
}
draw_trile_editor :: () {
draw_sky(*get_trile_editor_camera());
draw_trile();
}
draw_trile :: () {
cam := get_trile_editor_camera();
mvp := create_viewproj(*cam);
vs_params : Vs_Params;
vs_params.mvp = mvp.floats;
trixels : [4096]Position_Color;
min_distance : float = 999.0;
ray := get_mouse_ray(*cam);
hovered_trixel_x = -1;
hovered_trixel_y = -1;
hovered_trixel_z = -1;
for x: 0..15 {
for y: 0..15 {
for z: 0..15 {
if current_trile.trixels[x][y][z].empty then continue;
hit := does_ray_hit_cube(ray, .{ .{x * TRIXEL_SIZE, y * TRIXEL_SIZE, z * TRIXEL_SIZE}, .{TRIXEL_SIZE, TRIXEL_SIZE, TRIXEL_SIZE}});
if hit.hit && hit.distance < min_distance {
hovered_trixel_x = x;
hovered_trixel_y = y;
hovered_trixel_z = z;
min_distance = hit.distance;
}
}
}
}
trixel_count : s32 = 0;
for x: 0..15 {
for y: 0..15 {
for z: 0..15 {
if current_trile.trixels[x][y][z].empty then continue;
hit := does_ray_hit_cube(ray, .{ .{x * TRIXEL_SIZE, y * TRIXEL_SIZE, z * TRIXEL_SIZE}, .{TRIXEL_SIZE, TRIXEL_SIZE, TRIXEL_SIZE}});
trixels[trixel_count].pos.x = x * (1.0 / 16.0) + TRIXEL_SIZE_HALF;
trixels[trixel_count].pos.y = y * (1.0 / 16.0) + TRIXEL_SIZE_HALF;
trixels[trixel_count].pos.z = z * (1.0 / 16.0) + TRIXEL_SIZE_HALF;
trixels[trixel_count].pos.w = 1.0;
trixel_color := current_trile.trixels[x][y][z].material.color;
if hovered_trixel_x == x &&
hovered_trixel_y == y &&
hovered_trixel_z == z {
trixel_color = .{1.0, 0.0, 0.0};
}
trixels[trixel_count].col = .{trixel_color.x, trixel_color.y, trixel_color.z, 1.0};
trixel_count += 1;
}
}
}
sg_update_buffer(gPipelines.trixel.bind.vertex_buffers[2], *(sg_range.{
ptr = trixels.data,
size = size_of(type_of(trixels)),
}));
sg_apply_pipeline(gPipelines.trixel.pipeline);
sg_apply_bindings(*gPipelines.trixel.bind);
sg_apply_uniforms(UB_vs_params, *(sg_range.{ ptr = *vs_params, size = size_of(type_of(vs_params)) }));
sg_draw(0, 36, trixel_count);
}
trile_editor_shortcuts :: () {
if input_button_states[Key_Code.CTRL] & .DOWN {
if input_button_states[#char "A"] & .START {
current_mode = .AREA;
}
if input_button_states[#char "P"] & .START {
current_mode = .POINT;
}
if input_button_states[#char "B"] & .START {
current_mode = .BRUSH;
}
} else {
if input_button_states[#char "T"] & .START {
current_tab = .TOOLSET;
}
if input_button_states[#char "M"] & .START {
current_tab = .MATERIAL;
}
if input_button_states[#char "I"] & .START {
current_tab = .METADATA;
}
if input_button_states[#char "P"] & .START {
current_tool = .PAINT;
}
// Hack: These will only work on nordic keyboards as expected...
if input_button_states[#char "-"] & .START {
current_tool = .ADD;
}
if input_button_states[#char "/"] & .START {
current_tool = .REMOVE;
}
}
}
draw_trile_editor_ui :: (theme: *GR.Overall_Theme) {
r := GR.get_rect(0, ui_h(5,0), ui_w(20, 20), ui_h(95, 0));
draw_bg_rectangle(r, theme);
tab_r := r;
tab_r.h = ui_h(3,0);
tab_r.w = ui_w(20, 20) / 3;
if GR.button(tab_r, "Tool (T)", *t_button_tab(theme, current_tab == .TOOLSET)) {
current_tab = .TOOLSET;
}
tab_r.x += tab_r.w;
if GR.button(tab_r, "Material (M)", *t_button_tab(theme, current_tab == .MATERIAL)) {
current_tab = .MATERIAL;
}
tab_r.x += tab_r.w;
if GR.button(tab_r, "Meta (I)", *t_button_tab(theme, current_tab == .METADATA)) {
current_tab = .METADATA;
}
r.y += tab_r.h;
if current_tab == {
case .MATERIAL;
draw_material_tab(theme, r);
case .TOOLSET;
draw_tool_tab(theme, r);
}
}
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