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DearImGui is back again

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This commit is contained in:
Daniel Bross
2025-03-22 17:33:10 +01:00
parent 9a8ab7853a
commit 2208a7200f
6 changed files with 172 additions and 49 deletions
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102
metaprogram.jai
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@@ -44,6 +44,10 @@ build :: (build_release: bool, main_path: string, game_name: string, working_dir
entity_serialize_proc_string: [..] string;
should_serialize :: (type: *Type_Info_Struct, member: Type_Info_Struct_Member) -> bool {
if type.name == "Color" {
return true;
}
if type != null {
if type.name == {
case "Vector2"; {
@@ -62,6 +66,7 @@ should_serialize :: (type: *Type_Info_Struct, member: Type_Info_Struct_Member) -
}
}
case "Vector4"; #through;
case "Color"; #through;
case "Quaternion"; {
if member.name == {
case "x"; #through;
@@ -91,7 +96,7 @@ should_make_ui :: (type: *Type_Info_Struct, member: Type_Info_Struct_Member) ->
if to_lower_copy(it,, allocator = temp) == "hide" return false;
}
if type!= null {
if type != null {
if type.name == {
case "Vector2"; {
if member.name == {
@@ -118,6 +123,7 @@ should_make_ui :: (type: *Type_Info_Struct, member: Type_Info_Struct_Member) ->
case; return false;
}
}
case "Color"; return true;
}
}
@@ -190,6 +196,64 @@ generate_member_ui :: (type: *Type_Info_Struct, builder: *String_Builder, path:
}
}
generate_member_ui_imgui :: (type: *Type_Info_Struct, builder: *String_Builder, path: string = "") {
for type.members {
readonly := is_readonly(type, it);
if should_make_ui(type, it) && (should_serialize(type, it) || readonly) {
new_path : string;
if it.name != "entity" {
if path.count == 0 {
new_path = it.name;
} else {
new_path = tprint("%1.%2", path, it.name);
}
}
tag : Type_Info_Tag;
if it.type.type == .VARIANT {
info_variant := cast(*Type_Info_Variant)it.type;
tag = info_variant.variant_of.type;
} else {
tag = it.type.type;
}
if readonly {
print_to_builder(builder, "\tImGui.Text(\"%\", e.%);\n", new_path, new_path);
} else {
if tag == {
case .STRUCT; {
info_struct := cast(*Type_Info_Struct) it.type;
if info_struct.name == "Transform" {
print_to_builder(builder, TRANSFORM_UI_IMGUI);
} else if info_struct.name == "Vector3" {
print_to_builder(builder, "\tImGui.DragFloat3(tprint_c(\"%\"), *e.%.component);\n", new_path, new_path);
} else if info_struct.name == "Color" || info_struct.name == "Vector4" {
print_to_builder(builder, "\tImGui.ColorEdit4(tprint_c(\"%\"), *e.%.component);\n", new_path, new_path);
} else {
generate_member_ui_imgui(info_struct, builder, new_path);
}
}
case .BOOL; {
print_to_builder(builder, "\tImGui.Checkbox(tprint_c(\"%\"), *e.%);\n", new_path, new_path);
}
case .STRING; {
print_to_builder(builder, "\timgui_input_text(tprint(\"%\"), *e.%);\n", new_path, new_path);
//ui_textfield :: (label: string, text: *string, identifier: s64 = 0, loc := #caller_location) {
}
case .FLOAT; {
print_to_builder(builder, "\tImGui.DragFloat(tprint_c(\"%\"), *e.%);\n", new_path, new_path);
}
//case .ENUM; #through;
case .INTEGER; {
print_to_builder(builder, "\t{val := cast(int)e.%;\n", new_path);
print_to_builder(builder, "\timgui_input_int(tprint(\"%\"), *val);\n", new_path);
print_to_builder(builder, "\te.% = xx val;}\n", new_path);
}
}
}
}
}
}
TRANSFORM_UI :: #string DONE
updated := ui_vector_field("Position", *e.transform.position);
@@ -205,6 +269,20 @@ if updated {
}
DONE
TRANSFORM_UI_IMGUI :: #string DONE
updated := ImGui.DragFloat3("Position", *e.transform.position.component);
euler_rotation := quaternion_to_euler_v3(e.transform.orientation);
euler_rotation *= RADIANS_TO_DEGREES;
updated |= ImGui.DragFloat3("Rotation", *euler_rotation.component);
euler_rotation *= DEGREES_TO_RADIANS;
e.transform.orientation = euler_to_quaternion(euler_rotation);
updated |= ImGui.DragFloat3("Scale", *e.transform.scale.component);
if updated {
update_matrix(*e.transform);
}
DONE
generate_member_serialization :: (struct_type: *Type_Info_Struct, builder: *String_Builder, path: string = "") {
for struct_type.members {
if should_serialize(struct_type, it) {
@@ -335,6 +413,20 @@ generate_ui_procedure_for_entity :: (code_struct: *Code_Struct) {
array_add(*entity_serialize_proc_string, builder_to_string(*ui));
}
generate_ui_procedure_for_entity_imgui :: (code_struct: *Code_Struct) {
name := code_struct.defined_type.name;
// Serialize
ui : String_Builder;
print_to_builder(*ui, "#if EDITOR {");
print_to_builder(*ui, "entity_ui_proc_imgui :: (e: *%) {\n", name);
generate_member_ui_imgui(code_struct.defined_type, *ui);
print_to_builder(*ui, "}\n");
print_to_builder(*ui, "}");
array_add(*entity_serialize_proc_string, builder_to_string(*ui));
}
generate_serialize_procedure_for_entity :: (code_struct: *Code_Struct) {
name := code_struct.defined_type.name;
@@ -389,7 +481,7 @@ note_struct :: (code_struct: *Code_Struct) {
print("Detected entity '%'.\n", name);
generate_serialize_procedure_for_entity(code_struct);
generate_ui_procedure_for_entity(code_struct);
generate_ui_procedure_for_entity_imgui(code_struct);
}
}
}
@@ -484,11 +576,11 @@ generate_code :: (w: Workspace) {
for entity_type_names {
lower := to_lower_copy (it,, allocator=temp);
print_to_builder(*builder, "if ui_clickable_label(\"New %1\") return new_%2();", it, lower);
print_to_builder(*builder, "if ImGui.Button(\"New %1\") return new_%2();", it, lower);
}
for new_entity_procs {
print_to_builder(*builder, "if ui_clickable_label(\"%1\") return %1();", it);
print_to_builder(*builder, "if ImGui.Button(\"%1\") return %1();", it);
}
build_string := sprint(EDITOR_UI_ENTITY_CREATION, builder_to_string(*builder));
@@ -543,7 +635,7 @@ generate_code :: (w: Workspace) {
builder: String_Builder;
for entity_type_names {
print_to_builder(*builder, "\tcase %1; entity_ui_proc(cast(*%1)e);\n", it);
print_to_builder(*builder, "\tcase %1; entity_ui_proc_imgui(cast(*%1)e);\n", it);
}
build_string := sprint(ENTITY_UI, builder_to_string(*builder));