Prepping to add matrices part 2

This commit is contained in:
Synthasmagoria 2026-08-02 13:06:41 +02:00
commit 9154823436
2 changed files with 103 additions and 80 deletions

View file

@ -91,23 +91,16 @@ ProgramMessageType :: enum {
.ChangeMatrixTypeClearData = "Changing the matrix type will delete all current matrices.\nAre you sure you want to do this?",
}
program_set_message_state :: proc(program: ^Program, message: ProgramMessageType) {
program.state = .Message
program.message_type = message
}
program: Program
InputFloatField :: [32]byte
MATRIX_POOL_SIZE :: 4096
input_float_field_as_cstring :: proc(field: ^InputFloatField) -> cstring {
return cstring(&field[0])
}
Program :: struct {
ui_context: ui.Context,
ui_element_focus: ui.ElementId,
ui_overlay_context: ui.Context,
ui_overlay_element_focus: ui.ElementId,
matrix_float_pool: []f32,
matrix_value_string_pool: []InputFloatField,
matrix_create_dropdown_value: MatrixTypes,
@ -119,6 +112,7 @@ Program :: struct {
font_style: FontStyle,
state: ProgramState,
message_type: ProgramMessageType,
dialog_type: ProgramDialogType,
}
Grid :: struct {
@ -138,6 +132,16 @@ matrix_pool_get_mat3 :: proc() -> ^mat3 {
return mat
}
program_show_dialog :: proc(program: ^Program, dialog_type: ProgramDialogType) {
program.state = .Dialog
program.dialog_type = dialog_type
}
program_show_mesasge :: proc(program: ^Program, message: ProgramMessageType) {
program.state = .Message
program.message_type = message
}
program_init :: proc(allocator := context.allocator) {
program.matrix_float_pool = make(type_of(program.matrix_float_pool), MATRIX_POOL_SIZE)
program.matrix_value_string_pool = make(type_of(program.matrix_value_string_pool), MATRIX_POOL_SIZE)
@ -153,16 +157,10 @@ program_init :: proc(allocator := context.allocator) {
zoom = 1.0,
}
ui.init(&program.ui_context, 4000, allocator)
ui.init(&program.ui_context, 4000, ui_measure_text, &program.font_style, allocator)
program.ui_element_focus = ui.element_id_invalid()
}
world_to_grid_matrix :: proc(grid: Grid) -> mat3 {
return matrix3_translate2(-rect_get_tl(grid.inner_area))
}
grid_to_world_matrix :: proc(grid: Grid) -> mat3 {
return {}
ui.init(&program.ui_overlay_context, 200, ui_measure_text, &program.font_style, allocator)
program.ui_overlay_element_focus = ui.element_id_invalid()
}
program_update :: proc() {
@ -174,25 +172,7 @@ program_update :: proc() {
switch program.state {
case .Normal:
mouse := rl.GetMousePosition()
switch program.mouse_state {
case .Hover:
if rl.IsMouseButtonPressed(.LEFT) {
program.mouse_state = .DraggingGrid
} else if rect_has_point(rect2(matrix_container.area), mouse) {
program.mouse_state = .HoverMatrices
}
case .DraggingGrid:
program.grid.inner_area = rect_translate(program.grid.inner_area, rl.GetMouseDelta())
if !rl.IsMouseButtonDown(.LEFT) {
program.mouse_state = .Hover
}
case .HoverMatrices:
program.matrix_scroll = max(0, program.matrix_scroll - rl.GetMouseWheelMove() * program.matrix_scroll_speed)
if !rect_has_point(rect2(matrix_container.area), mouse) {
program.mouse_state = .Hover
}
}
program.mouse_state = program_handle_mouse_workspace(program.mouse_state, matrix_container)
if rl.IsKeyPressed(.TAB) {
program.ui_element_focus = ui.focus_next_element(program.ui_element_focus, ui_elements, {.InputFloat})
}
@ -200,7 +180,6 @@ program_update :: proc() {
case .Dialog:
}
grid := program.grid
grid_inner_position := rect_get_tl(grid.inner_area)
draw_grid(grid.area, {32.0, 32.0}, rl.GRAY)
@ -208,14 +187,27 @@ program_update :: proc() {
program_render_ui(&program.ui_context, ui_elements)
}
draw_grid :: proc(area: rect2, line_interval: v2, color: rl.Color) {
br := rect_get_br(area)
for x := area.x; x < br.x; x += line_interval.x {
rl.DrawLineV({x, area.y}, {x, br.y}, color)
}
for y := area.y; y < br.y; y += line_interval.y {
rl.DrawLineV({area.x, y}, {br.x, y}, color)
program_handle_mouse_workspace :: proc(mouse_state: MouseState, matrix_container: ^ui.Element) -> MouseState {
mouse := rl.GetMousePosition()
switch mouse_state {
case .Hover:
if rl.IsMouseButtonPressed(.LEFT) {
return .DraggingGrid
} else if rect_has_point(rect2(matrix_container.area), mouse) {
return .HoverMatrices
}
case .DraggingGrid:
program.grid.inner_area = rect_translate(program.grid.inner_area, rl.GetMouseDelta())
if !rl.IsMouseButtonDown(.LEFT) {
return .Hover
}
case .HoverMatrices:
program.matrix_scroll = max(0, program.matrix_scroll - rl.GetMouseWheelMove() * program.matrix_scroll_speed)
if !rect_has_point(rect2(matrix_container.area), mouse) {
return .Hover
}
}
return mouse_state
}
program_build_ui :: proc() -> (elements: []ui.Element, matrix_container: ^ui.Element) {
@ -261,25 +253,6 @@ program_build_ui :: proc() -> (elements: []ui.Element, matrix_container: ^ui.Ele
return
}
ui_mat3 :: proc(mat: []f32, value_strings: []InputFloatField, dimensions: ui.Dimensions, config: ui.ElementConfiguration, allocator := context.temp_allocator) {
container_data := new(UiElementData_Container, allocator)
container_data^ = {type = .Matrix, thickness = 2.0}
ui.container_begin(dimensions, config, container_data)
matrix_input_config := ui.ElementConfiguration {margin = V2_ONE * 4.0}
matrix_input_dimensions := ui.Dimensions {ui.Size_Percentage(1.0 / 3.0), ui.Size_Percentage(1.0 / 3.0)}
#unroll for i in 0..<3 {
#unroll for j in 0..<3 {
data := new(UiElementData_FloatInput, allocator)
index := i * 3 + j
data^ = {value = &mat[index], value_string = input_float_field_as_cstring(&value_strings[index])}
ui.element(.InputFloat, matrix_input_dimensions, matrix_input_config, data)
ui.same_line()
}
program.ui_context.same_line = false
}
ui.container_end()
}
program_render_ui :: proc(ctx: ^ui.Context, elements: []ui.Element) {
scissor_container: ^ui.Element
render_above: ui.Element
@ -375,3 +348,37 @@ program_render_ui :: proc(ctx: ^ui.Context, elements: []ui.Element) {
}
}
}
ui_measure_text :: proc(str: cstring, font_data: rawptr) -> ui.v2 {
style := cast(^FontStyle)font_data
return rl.MeasureTextEx(style.font, str, style.size, style.spacing)
}
ui_mat3 :: proc(mat: []f32, value_strings: []InputFloatField, dimensions: ui.Dimensions, config: ui.ElementConfiguration, allocator := context.temp_allocator) {
container_data := new(UiElementData_Container, allocator)
container_data^ = {type = .Matrix, thickness = 2.0}
ui.container_begin(dimensions, config, container_data)
matrix_input_config := ui.ElementConfiguration {margin = V2_ONE * 4.0}
matrix_input_dimensions := ui.Dimensions {ui.Size_Percentage(1.0 / 3.0), ui.Size_Percentage(1.0 / 3.0)}
#unroll for i in 0..<3 {
#unroll for j in 0..<3 {
data := new(UiElementData_FloatInput, allocator)
index := i * 3 + j
data^ = {value = &mat[index], value_string = cstring(&value_strings[index][0])}
ui.element(.InputFloat, matrix_input_dimensions, matrix_input_config, data)
ui.same_line()
}
program.ui_context.same_line = false
}
ui.container_end()
}
draw_grid :: proc(area: rect2, line_interval: v2, color: rl.Color) {
br := rect_get_br(area)
for x := area.x; x < br.x; x += line_interval.x {
rl.DrawLineV({x, area.y}, {x, br.y}, color)
}
for y := area.y; y < br.y; y += line_interval.y {
rl.DrawLineV({area.x, y}, {br.x, y}, color)
}
}