2018-06-17 02:59:23 +00:00
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package doodle
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import (
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"fmt"
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2018-10-19 20:31:58 +00:00
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"strings"
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2018-06-17 02:59:23 +00:00
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2018-10-19 20:31:58 +00:00
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"git.kirsle.net/apps/doodle/balance"
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2018-07-25 03:57:22 +00:00
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"git.kirsle.net/apps/doodle/doodads"
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2018-06-17 02:59:23 +00:00
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"git.kirsle.net/apps/doodle/render"
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2018-10-19 20:31:58 +00:00
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"git.kirsle.net/apps/doodle/ui"
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2018-06-17 02:59:23 +00:00
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)
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// Frames to cache for FPS calculation.
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const maxSamples = 100
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2018-07-26 02:38:54 +00:00
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// Debug mode options, these can be enabled in the dev console
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// like: boolProp DebugOverlay true
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var (
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2018-09-23 22:20:45 +00:00
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DebugOverlay = true
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2018-07-26 02:38:54 +00:00
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DebugCollision = true
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2018-10-19 20:31:58 +00:00
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DebugTextPadding int32 = 8
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DebugTextSize = 24
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DebugTextColor = render.SkyBlue
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DebugTextStroke = render.Grey
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DebugTextShadow = render.Black
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2018-07-26 02:38:54 +00:00
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)
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2018-06-17 02:59:23 +00:00
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var (
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fpsCurrentTicks uint32 // current time we get sdl.GetTicks()
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fpsLastTime uint32 // last time we printed the fpsCurrentTicks
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fpsCurrent int
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fpsFrames int
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fpsSkipped uint32
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fpsInterval uint32 = 1000
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2018-10-19 20:31:58 +00:00
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// XXX: some opt-in WorldIndex variables for the debug overlay.
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// This is the world pixel that the mouse cursor is over,
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// the Cursor + Scroll position of the canvas.
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debugWorldIndex render.Point
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2018-06-17 02:59:23 +00:00
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)
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// DrawDebugOverlay draws the debug FPS text on the SDL canvas.
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func (d *Doodle) DrawDebugOverlay() {
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2018-10-21 02:49:59 +00:00
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if !DebugOverlay {
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2018-06-17 02:59:23 +00:00
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return
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}
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2018-10-19 20:31:58 +00:00
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var (
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darken = balance.DebugStrokeDarken
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Yoffset int32 = 20 // leave room for the menu bar
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Xoffset int32 = 5
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keys = []string{
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" FPS:",
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"Scene:",
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"Pixel:",
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"Mouse:",
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}
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values = []string{
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fmt.Sprintf("%d (skip: %dms)", fpsCurrent, fpsSkipped),
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d.Scene.Name(),
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debugWorldIndex.String(),
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fmt.Sprintf("%d,%d", d.event.CursorX.Now, d.event.CursorY.Now),
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}
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2018-06-17 02:59:23 +00:00
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)
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2018-07-22 00:12:22 +00:00
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2018-10-19 20:31:58 +00:00
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key := ui.NewLabel(ui.Label{
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Text: strings.Join(keys, "\n"),
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Font: render.Text{
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Size: balance.DebugFontSize,
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FontFilename: balance.ShellFontFilename,
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Color: balance.DebugLabelColor,
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Stroke: balance.DebugLabelColor.Darken(darken),
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2018-07-22 00:12:22 +00:00
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},
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2018-10-19 20:31:58 +00:00
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})
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key.Compute(d.Engine)
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key.Present(d.Engine, render.NewPoint(
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DebugTextPadding+Xoffset,
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DebugTextPadding+Yoffset,
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))
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value := ui.NewLabel(ui.Label{
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Text: strings.Join(values, "\n"),
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Font: render.Text{
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Size: balance.DebugFontSize,
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FontFilename: balance.DebugFontFilename,
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Color: balance.DebugValueColor,
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Stroke: balance.DebugValueColor.Darken(darken),
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2018-07-22 00:12:22 +00:00
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},
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2018-10-19 20:31:58 +00:00
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})
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value.Compute(d.Engine)
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value.Present(d.Engine, render.NewPoint(
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DebugTextPadding+Xoffset+key.Size().W+DebugTextPadding,
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DebugTextPadding+Yoffset, // padding to not overlay menu bar
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))
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2018-06-17 02:59:23 +00:00
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}
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2018-07-25 03:57:22 +00:00
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// DrawCollisionBox draws the collision box around a Doodad.
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2018-09-26 17:04:46 +00:00
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func (d *Doodle) DrawCollisionBox(actor doodads.Actor) {
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2018-10-21 02:49:59 +00:00
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if !DebugCollision {
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2018-07-26 02:38:54 +00:00
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return
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}
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2018-07-25 03:57:22 +00:00
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var (
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rect = doodads.GetBoundingRect(actor)
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box = doodads.GetCollisionBox(rect)
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)
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d.Engine.DrawLine(render.DarkGreen, box.Top[0], box.Top[1])
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d.Engine.DrawLine(render.DarkBlue, box.Bottom[0], box.Bottom[1])
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d.Engine.DrawLine(render.DarkYellow, box.Left[0], box.Left[1])
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d.Engine.DrawLine(render.Red, box.Right[0], box.Right[1])
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}
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2018-06-17 02:59:23 +00:00
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// TrackFPS shows the current FPS once per second.
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func (d *Doodle) TrackFPS(skipped uint32) {
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fpsFrames++
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2018-07-22 00:12:22 +00:00
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fpsCurrentTicks = d.Engine.GetTicks()
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2018-06-17 02:59:23 +00:00
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// Skip the first second.
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if fpsCurrentTicks < fpsInterval {
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return
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}
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if fpsLastTime < fpsCurrentTicks-fpsInterval {
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fpsLastTime = fpsCurrentTicks
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fpsCurrent = fpsFrames
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fpsFrames = 0
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fpsSkipped = skipped
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}
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}
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