transformation_visualizer/program.odin

133 lines
4.1 KiB
Odin

package main
import rl "libraries/raylib"
import ui "libraries/snths_ui"
import "libraries/fixed_pool"
import "core:fmt"
FontStyle :: struct {
font: rl.Font,
size, spacing: f32
}
ProgramState :: enum {
Normal,
Message,
}
ProgramMessageType :: enum {
ChangeMatrixTypeClearData,
}
@rodata program_messages := [ProgramMessageType]cstring {
.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
Program :: struct {
ui_context: ui.Context,
matrix_field_pool: FieldPool(f32),
matrix_count: int,
grid: Grid,
font_style: FontStyle,
state: ProgramState,
message_type: ProgramMessageType,
}
Grid :: struct {
area: rect2,
inner_area: rect2,
zoom: f32,
}
program_init :: proc(allocator := context.allocator) {
field_pool_init(&program.matrix_field_pool, 4096, allocator)
program.font_style = {
font = rl.GetFontDefault(),
size = 16.0,
spacing = 1.0
}
program.grid = {
area = {0, 0, WINDOW_WIDTH, WINDOW_HEIGHT},
inner_area = {-1, -1, 2, 2},
zoom = 1.0,
}
ui.init(&program.ui_context, 4000, allocator)
}
program_update :: proc() {
ui_elements := program_build_ui()
program_render_ui(ui_elements)
}
program_build_ui :: proc() -> []ui.Element {
container_margin: f32 = 4.0
container_config := ui.ElementConfiguration {
margin = V2_ONE * container_margin,
}
ui.start(&program.ui_context, {0, 0}, {WINDOW_WIDTH, WINDOW_HEIGHT})
top_bar_container := ui.container_begin({ui.Size_Percentage(1.0), ui.Size_Pixels(48.0)}, container_config)
top_bar_inner_height := ui.get_element_inner_area(top_bar_container^).height
top_bar_button_dimensions := ui.Dimensions {ui.Size_Pixels(top_bar_inner_height), ui.Size_Pixels(top_bar_inner_height)}
top_bar_button_config := ui.ElementConfiguration {margin = V2_ONE * 4}
{
config := top_bar_button_config
config.label = "+"
ui.button(top_bar_button_dimensions, config)
config.label = "-"
ui.same_line()
ui.button(top_bar_button_dimensions, config)
}
ui.container_end()
ui.container_begin({ui.Size_Percentage(0.2), ui.Size_PercentageRemainder(1.0)}, container_config)
for i in 0..<program.matrix_count {
container_config := ui.ElementConfiguration{margin = V2_ONE * 4.0, label = fmt.ctprintf("Matrix %d", i)}
container_dimensions := ui.Dimensions {ui.SIZE_AUTO, ui.SIZE_AUTO}
mat := cast(^mat3)&program.matrix_field_pool.values.pool[i * 9]
value_strings := program.matrix_field_pool.inputs.pool[i * 9 : i * 9 + 9]
ui_mat3(mat, value_strings, container_dimensions, container_config)
}
ui.container_end()
return ui.end()
}
ui_mat3 :: proc(mat: ^mat3, value_strings: []FieldInput, dimensions: ui.Dimensions, config: ui.ElementConfiguration) {
ui.container_begin(dimensions, config)
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 {
ui.input_float(matrix_input_dimensions, matrix_input_config, {value = &mat[i, 0], value_string = field_input_as_cstring(&value_strings[i * 3 + 0])})
ui.same_line()
ui.input_float(matrix_input_dimensions, matrix_input_config, {value = &mat[i, 1], value_string = field_input_as_cstring(&value_strings[i * 3 + 1])})
ui.same_line()
ui.input_float(matrix_input_dimensions, matrix_input_config, {value = &mat[i, 2], value_string = field_input_as_cstring(&value_strings[i * 3 + 2])})
}
ui.container_end()
}
program_render_ui :: proc(elements: []ui.Element) {
for element in elements {
area := rl.Rectangle(element.area)
switch element.type {
case .Container:
rl.GuiGroupBox(area, element.label)
case .Button:
rl.GuiButton(area, element.label)
case .Slider:
data := element.data
rl.GuiSlider(area, element.label, "", data.value, data.min, data.max)
case .InputFloat:
data := element.data
str: cstring = " "
rl.GuiTextBox(area, str, i32(len(str) - 1), false)
}
}
}