SectrPrototype/code/tick_render.odin
2024-03-19 08:36:58 -04:00

313 lines
8.6 KiB
Odin

package sectr
import "core:fmt"
import rl "vendor:raylib"
//@(optimization_mode="speed")
render :: proc()
{
profile(#procedure)
state := get_state(); using state
render_mode_3d()
rl.BeginDrawing()
rl.ClearBackground( Color_BG )
render_mode_2d()
render_mode_screenspace()
rl.EndDrawing()
}
render_mode_screenspace :: proc ()
{
state := get_state(); using state
replay := & Memory_App.replay
cam := & project.workspace.cam
win_extent := state.app_window.extent
screen_top_left : Vec2 = {
-win_extent.x + cam.target.x,
-win_extent.y + cam.target.y,
}
profile("Render Screenspace")
fps_msg := str_fmt_tmp( "FPS: %f", fps_avg)
fps_msg_width := measure_text_size( fps_msg, default_font, 16.0, 0.0 ).x
fps_msg_pos := screen_get_corners().top_right - { fps_msg_width, 0 }
debug_draw_text( fps_msg, fps_msg_pos, 16.0, color = rl.GREEN )
debug_text :: proc( format : string, args : ..any )
{
@static draw_text_scratch : [Kilobyte * 64]u8
state := get_state(); using state
if debug.draw_debug_text_y > 800 {
debug.draw_debug_text_y = 50
}
cam := & project.workspace.cam
screen_corners := screen_get_corners()
position := screen_corners.top_right
position.x -= 800
position.y += debug.draw_debug_text_y
content := str_fmt_buffer( draw_text_scratch[:], format, ..args )
debug_draw_text( content, position, 14.0 )
debug.draw_debug_text_y += 14
}
// Debug Text
{
// debug_text( "Screen Width : %v", rl.GetScreenWidth () )
// debug_text( "Screen Height: %v", rl.GetScreenHeight() )
debug_text( "frametime_target_ms : %f ms", frametime_target_ms )
debug_text( "frametime : %f ms", frametime_delta_ms )
// debug_text( "frametime_last_elapsed_ms : %f ms", frametime_elapsed_ms )
if replay.mode == ReplayMode.Record {
debug_text( "Recording Input")
}
if replay.mode == ReplayMode.Playback {
debug_text( "Replaying Input")
}
}
debug_text("Zoom Target: %v", project.workspace.zoom_target)
if debug.mouse_vis {
debug_text( "Mouse Vertical Wheel: %v", input.mouse.vertical_wheel )
debug_text( "Mouse Position (Screen): %v", input.mouse.pos )
debug_text("Mouse Position (World): %v", screen_to_world(input.mouse.pos) )
cursor_pos := transmute(Vec2) state.app_window.extent + input.mouse.pos
rl.DrawCircleV( cursor_pos, 10, Color_White_A125 )
}
ui := project.workspace.ui
// debug_text("Box Count: %v", ui.built_box_count )
hot_box := ui_box_from_key( ui.curr_cache, ui.hot )
active_box := ui_box_from_key( ui.curr_cache, ui.active )
if hot_box != nil {
debug_text("Hot Box : %v", hot_box.label.str )
// debug_text("Hot Range2: %v", hot_box.computed.bounds.pts)
}
if active_box != nil{
// debug_text("Active Box: %v", active_box.label.str )
}
// debug_text("Active Resizing: %v", ui.active_start_signal.resizing)
view := view_get_bounds()
// debug_text("View Bounds (World): %v", view.pts )
debug.draw_debug_text_y = 50
}
render_mode_2d :: proc()
{
profile(#procedure)
state := get_state(); using state
cam := & project.workspace.cam
win_extent := state.app_window.extent
rl.BeginMode2D( project.workspace.cam )
// Draw 3D Viewport
{
viewport_size := Vec2 { 1280.0, 720.0 }
vp_half_size := viewport_size * 0.5
viewport_box := range2( -vp_half_size, vp_half_size )
viewport_render := range2(
world_to_screen_pos( viewport_box.min),
world_to_screen_pos( viewport_box.max),
)
viewport_rect := range2_to_rl_rect( viewport_render )
rl.DrawTextureRec( debug.viewport_rt.texture, viewport_rect, -vp_half_size, Color_White )
}
// draw_text( "This is text in world space", { 0, 200 }, 16.0 )
cam_zoom_ratio := 1.0 / cam.zoom
view_bounds := view_get_bounds()
when false
{
render_view := Range2 { pts = {
world_to_screen_pos(view_bounds.min),
world_to_screen_pos(view_bounds.max),
}}
view_rect := rl.Rectangle {
render_view.min.x,
render_view.max.y,
abs(render_view.max.x - render_view.min.x),
abs(render_view.max.y - render_view.min.y),
}
rl.DrawRectangleRounded( view_rect, 0.3, 9, { 255, 0, 0, 20 } )
}
ImguiRender:
{
profile("Imgui Render")
ui := & state.project.workspace.ui
root := ui.root
if root.num_children == 0 {
break ImguiRender
}
current := root.first
for ; current != nil; current = ui_box_tranverse_next( current )
{
// profile("Box")
parent := current.parent
style := current.style
computed := & current.computed
computed_size := computed.bounds.p1 - computed.bounds.p0
if ! intersects_range2( view_bounds, computed.bounds ) {
continue
}
// TODO(Ed) : Render Borders
// profile_begin("Calculating Raylib rectangles")
render_anchors := range2(
world_to_screen_pos(computed.anchors.min),
world_to_screen_pos(computed.anchors.max),
)
render_margins := range2(
world_to_screen_pos(computed.margins.min),
world_to_screen_pos(computed.margins.max),
)
render_bounds := range2(
world_to_screen_pos(computed.bounds.min),
world_to_screen_pos(computed.bounds.max),
)
render_padding := range2(
world_to_screen_pos(computed.padding.min),
world_to_screen_pos(computed.padding.max),
)
render_content := range2(
world_to_screen_pos(computed.content.min),
world_to_screen_pos(computed.content.max),
)
rect_anchors := range2_to_rl_rect( render_anchors )
rect_margins := range2_to_rl_rect( render_margins )
rect_bounds := range2_to_rl_rect( render_bounds )
rect_padding := range2_to_rl_rect( render_padding )
rect_content := range2_to_rl_rect( render_content )
// profile_end()
draw_rectangle :: #force_inline proc "contextless" ( rect : rl.Rectangle, style : UI_Style ) {
if style.layout.corner_radii[0] > 0 {
rl.DrawRectangleRounded( rect, style.layout.corner_radii[0], 9, style.bg_color )
}
else {
rl.DrawRectangleRec( rect, style.bg_color )
}
}
draw_rectangle_lines :: #force_inline proc "contextless" ( rect : rl.Rectangle, style : UI_Style, color : Color, thickness : f32 ) {
if style.layout.corner_radii[0] > 0 {
rl.DrawRectangleRoundedLines( rect, style.layout.corner_radii[0], 9, thickness, color )
}
else {
rl.DrawRectangleLinesEx( rect, thickness, color )
}
}
// profile_begin("rl.DrawRectangleRounded( rect_bounds, style.layout.corner_radii[0], 9, style.bg_color )")
if style.bg_color.a != 0
{
draw_rectangle( rect_bounds, style )
}
// profile_end()
line_thickness := 1 * cam_zoom_ratio
// profile_begin("rl.DrawRectangleRoundedLines: padding & content")
if equal_range2(computed.content, computed.padding) {
draw_rectangle_lines( rect_padding, style, Color_Debug_UI_Padding_Bounds, line_thickness )
}
else {
draw_rectangle_lines( rect_content, style, Color_Debug_UI_Content_Bounds, line_thickness )
}
// profile_end()
if .Mouse_Resizable in current.flags
{
// profile("Resize Bounds")
resize_border_width := cast(f32) get_state().config.ui_resize_border_width
resize_percent_width := computed_size * (resize_border_width * 1.0/ 200.0)
resize_border_non_range := add(current.computed.bounds, range2(
{ resize_percent_width.x, -resize_percent_width.x },
{ -resize_percent_width.x, resize_percent_width.x }))
render_resize := range2(
world_to_screen_pos(resize_border_non_range.min),
world_to_screen_pos(resize_border_non_range.max),
)
rect_resize := rl.Rectangle {
render_resize.min.x,
render_resize.min.y,
render_resize.max.x - render_resize.min.x,
render_resize.max.y - render_resize.min.y,
}
draw_rectangle_lines( rect_padding, style, Color_Red, line_thickness )
}
point_radius := 3 * cam_zoom_ratio
// profile_begin("circles")
// center := Vec2 {
// render_bounds.p0.x + computed_size.x * 0.5,
// render_bounds.p0.y - computed_size.y * 0.5,
// }
// rl.DrawCircleV( center, point_radius, Color_White )
rl.DrawCircleV( render_bounds.p0, point_radius, Color_Red )
rl.DrawCircleV( render_bounds.p1, point_radius, Color_Blue )
// profile_end()
if len(current.text.str) > 0 {
draw_text( current.text, world_to_screen_pos(computed.text_pos), style.font_size, style.text_color )
}
}
}
//endregion Imgui Render
if debug.mouse_vis {
cursor_world_pos := screen_to_world(input.mouse.pos)
rl.DrawCircleV( world_to_screen_pos(cursor_world_pos), 5, Color_GreyRed )
}
// rl.DrawCircleV( { 0, 0 }, 1 * cam_zoom_ratio, Color_White )
rl.EndMode2D()
}
render_mode_3d :: proc()
{
profile(#procedure)
state := get_state(); using state
rl.BeginDrawing()
rl.BeginTextureMode( debug.viewport_rt )
rl.BeginMode3D( debug.cam_vp )
rl.ClearBackground( Color_3D_BG )
rl.EndMode3D()
rl.EndTextureMode()
rl.EndDrawing()
}