Commit Graph

134 Commits

Author SHA1 Message Date
d6acee5a66 Adjust Gravity and Prevent Moonwalking
* Tweak max gravity speed to match player max velocity.
* Boy's script watches for his velocity to flip suddenly and stops
  animations, limiting the moonwalking a bit.
* JS API: Self.GetVelocity() added.
2021-10-07 18:49:09 -07:00
a24c94a161 Multitouch Level Panning
Add multi-touch gesture support so that the player can scroll the level
in the editor (and title screen) by treating a two finger swipe to be
equivalent to a middle click drag.

Fun quirks found with SDL2's MultiGestureEvent:

* They don't begin sending us the event until motion is detected after
  two fingers have touched the screen; not the moment the second finger
  touches it.
* It spams us with events when it detects any tiny change and a lot of
  cool details like rotate/pinch deltas, but it never tells us when the
  multitouch STOPS! The game has to block left clicks while multitouch
  happens so the user doesn't draw all over their level, so it needs to
  know when touch has ended.
* The workaround is to track the mouse cursor position at the first
  touch and each delta thereafter; if the deltas stop changing tick to
  tick, unset the "is touching" variable.
2021-10-06 20:02:09 -07:00
c2c91e45a9 Middle-click to Pan + Remember Scroll Position
In the editor, clicking and dragging with the middle mouse button
will scroll the view of the editor in place of the arrow keys.

When entering Play Mode, the original scroll position in the level
editor is remembered for when you come back - no more having to
scroll from 0,0 each time to get back to where you were working!
2021-10-04 20:49:11 -07:00
97e179716c Add Technical Doodads + UI Fixes
New category for the Doodad Dropper: "Technical"

Technical doodads have a dashed outline and label for now, and they
turn invisible on level start, and are for hidden technical effects on
your level.

The doodads include:

* Goal Region: acts like an invisible Exit Flag (128x128), the level is
  won when the player character touches this region.
* Fire Region: acts like a death barrier (128x128), kills the player
  when a generic "You have died!" message.
* Power Source: on level start, acts like a switch and emits a
  power(true) signal to all linked doodads. Link it to your Electric
  Door for it to be open by default in your level!
* Stall Player (250ms): The player is paused for a moment the first time
  it touches this region. Useful to work around timing issues, e.g.
  help prevent the player from winning a race against another character.

There are some UI improvements to the Doodad Dropper window:

* If the first page of doodads is short, extra spacers are added so the
  alignment and size shows correctly.
* Added a 'background pattern' to the window: any unoccupied icon space
  has an inset rectangle slot.
* "Last pages" which are short still render weirdly without reserving
  the correct height in the TabFrame.

Doodad scripting engine updates:

* Self.Hide() and Self.Show() available.
* Subscribe to "broadcast:ready" to know when the level is ready, so you
  can safely Publish messages without deadlocks!
2021-10-02 20:52:16 -07:00
0a1d86e1f5 Bugfix: Scroll constraint favors top/left edge
For levels having a top/left scroll boundary, the top/left point takes
higher priority for resolving out-of-bounds scroll ranges instead of the
bottom/right.

This fixes a bug where you Zoom Out of a level far enough that the
entire boundaries of a Bounded level are smaller than the viewport into
the level. It could happen if playing normal levels in Play Mode on a
very high-resolution monitor. Previously, the level would anchor to the
bottom/right corner of your screen.

With the Zoom In/Out Feature this broke the ability to scroll well on
the level; so the easy fix is to put the X>0, Y>0 bounds check after the
above, so the level will hug the top/left corner of the screen which
fixes both problems.
2021-09-12 15:59:40 -07:00
21520e71e9 Zoom: Fix scrolling into negative coordinates
* If you open a wide unbounded level like Castle.level and zoom out and
  scroll left (into negative world coordinates), the level chunks
  display correctly now.
2021-09-12 15:47:16 -07:00
fd730483b0 Zoom Improvements
* Doodad outline while dragging is now sized properly for the zoom level
* Make doodad hitboxes for Actor/Link Tool more accurate while zoomed
* Fix chunks low on the level not loading while zoomed in
* Fix Link lines drawn between doodads while zoomed - they point to the
  correct position and their DrawLine calls have been optimized so they
  don't lag out the level when lots of them are drawn at once.
2021-09-12 15:27:37 -07:00
6f5bd910c8 Zoom Progress: Actor/Link Tool Hitboxes
* When the Actor Tool or Link Tool is active, mouse-over hitboxes on the
  level's actors now works correctly while zoomed and scrolling in the
  level.
* Regression: Level chunks don't appear outside a certain range from
  origin while zoomed in.
* Regression: Actors don't draw their sprite while zoomed in, but do
  when zoomed out.
2021-09-12 14:42:39 -07:00
731d142dd6 WIP Zoom hell 2021-09-11 22:30:45 -07:00
0a8bce708e Actor Zoom + Experimental Settings GUI
Improvements to the Zoom feature:
* Actor position and size within your level scales up and down
  appropriately. The canvas size of the actor is scaled and its canvas
  is told the Zoom number of the parent so it will render its own
  graphic scaled correctly too.

Other features:
* "Experimental" tab added to the Settings window as a UI version of the
  --experimental CLI option. The option saves persistently to disk.
* The "Replace Palette" experimental feature now works better. Debating
  whether it's a useful feature to even have.
2021-09-11 21:18:22 -07:00
ecdfc46358 Zoom And Edit
Progress on the Zoom feature: when you zoom in and out, you can draw
shapes accurately onto the level. Seems a little buggy if you edit
while scrolling (as in drawing a very long line).

The title screen buttons are now more colorful.
2021-09-11 17:02:01 -07:00
7866f618da First-class Doodad Hitboxes + Generic Item Script
A new property is added to the Doodad struct: Hitbox (Rect).

The uix.Actor for Play Mode will defer to the Doodad.Hitbox until the
JavaScript has manually set its own via Self.SetHitbox(). So in effect,
scripts no longer need to worry about their hitbox! The one assigned to
the Doodad will be the default.

Scripts can check if their hitbox is zero before setting a default:

  if (Self.Hitbox().IsZero()) {
    var size = Self.Size()           // get doodad canvas size
    Self.SetHitbox(0, 0, size, size) // the full square
  }

The built-in generic doodad scripts have made this change, so that your
simple doodad can have a custom hitbox defined easily using in-game
tools.

Other changes:

* New script: Generic Collectible Item. Selecting it will add a
  "quantity" tag to your doodad, to easily configure the script.
* JavaScript API: "Self.Hitbox()" returns your doodad's current hitbox.
  You can check "Self.Hitbox.IsZero()" to check if it's empty.
2021-09-03 20:39:44 -07:00
7ea86b4ffc Generic Doodad Script Selection
In the Doodad Properties window, instead of browsing to select a .js
file to install your script, a SelectBox of built-in generic scripts are
available. These scripts implement simple behaviors and adapt to the
full canvas size of the doodad.

Built-in scripts so far include:

* generic-anvil.js: behaves just like the Anvil.
* generic-fire.js: the entire canvas hitbox acts like fire pixels,
  "burning" mobile doodads and failing the level for the player.
* generic-solid.js: the entire canvas hitbox acts solid
2021-09-02 22:33:28 -07:00
1ac85c9297 Checkpoint Flag & Retry from Checkpoint
* New Doodad: Checkpoint Flag. They update the player's spawn point
  whenever the player passes one. The most recently activated
  checkpoint is rendered brighter than the others.
* End Level Modal: the fake alert box window drawn by the Play Mode
  is replaced with a fancy modal widget (similar to Alert and Confirm).
  It handles level victory or failure conditions and can show or hide
  all the buttons as needed.
* Gameplay: There is a "Retry from Checkpoint" option added, which
  appears in the level failure modal. It will teleport you back to
  the Start Flag or the last Checkpoint Flag you had touched, without
  resetting the level -- your keys, unlocked doors, etc. will be
  preserved so you can retry.
* Set a maximum speed on the "Camera Follows Actor" logic of 64
  pixels per tick. This results in a smoother scrolling transition
  when the player jumps to a new location on the map, such as by
  a Warp Door.
* Update the default color palettes:
    * All: Add a "hint" magenta color.
    * Colored Pencil: Add a "darkstone" solid color.

Updates to the Doodads JavaScript API:

* SetCheckpoint(Point(x, y)): set the player character's spawn
  position. Giving it Self.Position() is an easy way to set the
  player spawn to your doodad's location.
2021-08-15 20:17:53 -07:00
405aaf509d Link Start Flags to Change Characters
New feature: link a Start Flag to another doodad in your level
and you will play as that doodad instead of Boy. All Creatures
are designed to be playable. Playing as "other" doodads leads
to interesting effects, like not being able to activate buttons,
switches, or warp doors and not having an inventory to pick up
keys. The Anvil is fun: it can destroy other mobile doodads by
jumping on them.

If the actor does not specify that it has gravity, the gameplay
starts in antigravity mode. This will be the vast majority of
non-mobile doodads and the Bird.

Other changes:

* The Blue and Red Azulians now share a doodad script.
* The Azulians AI is still to walk back and forth, pickup keys and
  press buttons. The Blue Azulian walks slower than the red one.
* The Blue Azulian is no longer hidden from the doodads list.
* Actor UUID values in levels are now V1 UUIDs (time-ordered).
  This will help to reliably resolve conflicts in draw order
  of overlapping doodads (newest added to level wins).
* Link Tool: clicking on a pair of already-linked doodads will
  now unlink them, so you don't have to delete one to delete
  the link.
* Actor Tool: deleting an actor immediately calls PruneLinks()
  to clean up any links that the deleted doodad might have.
2021-08-11 20:40:31 -07:00
d7a96d1770 Thief and Inventory APIs
This commit adds the Thief character with starter graphics
(no animations).

The Thief walks back and forth and will steal items from other
doodads, including the player. For singleton items that have no
quantity, like the Colored Keys, the Thief will only steal one
if he does not already have it. Quantitied items like the
Small Key are always stolen.

Flexibility in the playable character is introduced: Boy,
Azulian, Bird, and Thief all respond to playable controls.
There is not currently a method to enable these apart from
modifying balance.PlayerCharacterDoodad at compile time.

New and Changed Doodads

* Thief: new doodad that walks back and forth and will steal
  items from other characters inventory.
* Bird: has no inventory and cannot pick up items, unless player
  controlled. Its hitbox has also been fixed so it collides with
  floors correctly - not something normally seen in the Bird.
* Boy: opts in to have inventory.
* Keys (all): only gives themselves to actors having inventories.

JavaScript API - New functions available

* Self.IsPlayer() - returns if the current actor IS the player.
* Self.SetInventory(bool) - doodads must opt-in to having an
  inventory. Keys should only give themselves to doodads having
  an inventory.
* Self.HasInventory() bool
* Self.AddItem(filename, qty)
* Self.RemoveItem(filename, qty)
* Self.HasItem(filename)
* Self.Inventory() - returns map[string]int
* Self.ClearInventory()
* Self.OnLeave(func(e)) now receives a CollideEvent as parameter
  instead of the useless actor ID. Notably, e.Actor is the
  leaving actor and e.Settled is always true.

Other Changes

* Play Mode: if playing as a character which doesn't obey gravity,
  such as the bird, antigravity controls are enabled by default.
  If you `import antigravity` you can turn gravity back on.
* Doodad collision scripts are no longer run in parallel
  goroutines. It made the Thief's job difficult trying to steal
  items in many threads simultaneously!
2021-08-09 22:42:22 -07:00
0518df226c New Doodad: Anvil
* The Anvil doodad is affected by gravity and becomes dangerous when
  falling. If it lands on the player character, you die! If it lands on
  any other mobile doodad, it destroys it! It can land on solid doodads
  such as the Electric Trapdoor and the Crumbly Floor. It will activate
  a Crumbly Floor if it lands on one, and can activate buttons and
  switches that it passes.
* JavaScript API: FailLevel(message) can be called from a doodad to kill
  the player character. The Anvil does this if it collides with the
  player while it's been falling.
2021-08-08 21:57:41 -07:00
810ba193d9 Doodads: Electric Trapdoor and Resettable Box
* New doodad: Electric Trapdoor. It is a horizontal version of the
  Electric Door. Opens while powered by a button or a switch and closes
  when it loses power.
* The Box doodad will reset to its original location if it receives a
  power signal from a linked Button or Switch. So for box pushing
  puzzles you can add a reset button in case the boxes get stuck.
* Refactored the Doodad build scripts into many Makefiles for easier
  iteration (don't need to compile ALL doodads to test one).

Updates to the JavaScript API for doodads:

* Self.MoveTo(Point) is now available to set the actor's position in
  world coordinates.
2021-08-08 20:10:42 -07:00
215ed5c847 Stabilize Load Screen by Deferring SDL2 Calls
* The loading screen for Edit and Play modes is stable and the risk of
  game crash is removed. The root cause was the setupAsync() functions
  running on a background goroutine, and running SDL2 draw functions
  while NOT on the main thread, which causes problems.
* The fix is all SDL2 Texture draws become lazy loaded: when the main
  thread is presenting, any Wallpaper or ui.Image that has no texture
  yet gets one created at that time from the cached image.Image.
* All internal game logic then uses image.Image types, to cache bitmaps
  of Level Chunks, Wallpaper images, Sprite icons, etc. and the game is
  free to prepare these asynchronously; only the main thread ever
  Presents and the SDL2 textures initialize on first appearance.
* Several functions had arguments cleaned up: Canvas.LoadLevel() does
  not need the render.Engine as (e.g. wallpaper) textures don't render
  at that stage.
2021-07-19 17:14:00 -07:00
26b1ac88dd Shift to scroll slowly + Doodads on Q
* Holding Shift while pressing arrow keys in the editor will scroll by
  just 1 pixel per tick to aid in precise debugging with the Zoom In/Out
  feature.
* The keybinds used in canvas_editable.go to catch the arrow keys are
  updated to use our nice keybind package. As a consequence, the WASD
  keys will also scroll the level.
* The "d for Doodads" keybind is renamed "q" so as not to open the
  Doodads window whenever scrolling right using the WASD keys.
2021-07-13 18:04:25 -07:00
37f6177a17 Zoom In/Out Feature: WorldIndexAt Fixed
WorldIndexAt() translates the pixel below the mouse cursor in screen
space (0,0 at top-left corner of the application window) into a world
coordinate in the level shown inside the canvas, taking into account the
canvas's position on the window and the scroll position.

It now translates correctly when zoom In or Out, so the "Abs:" mouse
position level in the status bar shows correctly.

Zoom features that are still jank:

- Scrolling while zoomed in, the chunks to the top/left start unloading
  too rapidly and outpacing the scroll, eventually level is invisible
- Drawing and committing pixels to the image while zoomed in/out is
  unpredictable where the pixels actually land.
- Actors in the level don't move or zoom at all.
2021-07-13 18:04:25 -07:00
ed492a4451 Progress on the Zoom In/Out Feature
* Got the level chunks AND the wallpaper to both scale UP and DOWN
  consistently together.
* Trying to draw new pixels while zoomed in/out ends up offsetting the
  pixels by 2X still. Still seems an issue between screen coordinates
  and world coordinates. Zoom in 2X and try and draw a line 64px from
  the corners of the screen? The committed line appropriately lands at
  the 64px coord on the level data but, zoomed in, it appears 2X to the
  right on the screen from where I dropped the cursor!
* When zooming OUT, the limit on number of chunks the viewport will try
  and render is not increased, leaving dead space in the screen; more
  chunks should render when there's room.
2021-07-11 21:54:28 -07:00
1105d9312a Updater: Better SemVer version checks for updates
* Instead of a simple "cur. ver != latest ver" check, parse the Major,
  Minor and Patch components and do a detailed check.
* So a x.x.1 release could be made for a specific platform that had a
  bad build, and it won't mind when it sees the latest version is the
  older x.x.0 build that other platforms had working fine.
2021-07-11 14:09:18 -07:00
dce32ea14b Diverge Free vs. Paid Features
* Free (shareware) versions of the game will not be able to Publish
  Levels (attach custom doodads to the level file) and they will not be
  able to load a level which relies on embedded doodads.
* The UI for the Publish Level window is still available, but clicking
  on the confirm button will just open the Register (License) window.
* When loading a level containing embedded doodads: if some can't load
  because they're embedded and you're using the free version of the
  game, the error message is customized to reflect that.
2021-06-16 22:35:01 -07:00
e6b71f5512 Fix Scroll-Follow-Actor Behavior
* The scrollbox by which the game follows the player character has been
  revised, it is now an offset away from the window's center instead of
  fixed pixel distances from the window's edges.
* Mobile form-factor (Pinephone) now scrolls OK instead of jerking back
  and forth rapidly when moving left.
2021-06-13 20:25:42 -07:00
7093b102e3 Embeddable Doodads In Levels
* The Publisher is all hooked up. No native Save File dialogs yet, so
  uses the dev shell Prompt() to ask for output filename.
* Custom-only or builtin doodads too can be stored in the level's file
  data, at "assets/doodads/*.doodad"
* When loading the embedded level in the Editor: it gets its custom
  doodads out of its file, and you can drag and drop them elsehwere,
  link them, Play Mode can use them, etc. but they won't appear in the
  Doodad Dropper if they are not installed in your local doodads
  directory.
* Fleshed out serialization API for the Doodad files:
  - LoadFromEmbeddable() looks to load a doodad from embeddable file
    data in addition to the usual places.
  - Serialize() returns the doodad in bytes, for easy access to embed
    into level data.
  - Deserialize() to parse and return from bytes.
* When loading a level that references doodads not found in its embedded
  data or the filesystem: an Alert modal appears listing the missing
  doodads. The rest of the level loads fine, but the actors referenced
  by these doodads don't load.
2021-06-13 14:59:03 -07:00
eb24858830 Brush Pattern Textures
Palette swatches gain a new property: Pattern.

Patterns are grayscale textures that the swatch color will sample
against when drawing pixels to the level, by taking the world coordinate
modulo a value inside the texture.

A few algorithms were tried (Screen, Overlay), this branch lands on one
that tries to cast the color from grayscale which comes out rather dark;
to get a patterned color to look black while still seeing the pattern,
the color needs to be as bright as #777 to get the effect.
2021-06-09 22:36:32 -07:00
640e75ba4d Custom Wallpapers for Levels
* You can now browse for a custom wallpaper image to use with your
  levels. A platform-native file picker dialog is used (no WASM support)
* In the New/Edit Level Properties dialog, the Wallpaper drop-down
  includes an option to browse for a custom map.
* When editing an existing level: the wallpaper takes effect immediately
  in your level once the file is picked. For NEW levels, the wallpaper
  will appear once the "Continue" button is pressed.
* All common image types supported: png, jpeg, gif.
* The wallpaper is embedded in the level using the filepath
  "assets/wallpapers/custom.b64img" as a Base64-encoded blob of the
  image data.
* The `doodad show` command will list the names and sizes of files
  embedded in levels. `doodad show --attachment <name>` will get an
  attachment and print it to the console window.
* To extract a wallpaper image from a level:
  `doodad show -a assets/wallpapers/custom.b64img | base64 -d > out.png`
2021-06-06 18:59:04 -07:00
be47dc21c7 Decouple gravity from player velocities 2021-06-02 22:18:25 -07:00
d14eaf7df2 Collision Box Updates
* The F4 key to draw collision boxes works reliably again: it draws the
  player's hitbox in world-space using the canvas.DrawStrokes()
  function, rather than in screen-space so it follows the player
  reliably.
* The F4 key also draws hitboxes for ALL other actors in the level:
  buttons, enemies, doors, etc.
* The level geometry collision function is updated to respect a doodad's
  declared Hitbox from their script, which may result in a smaller box
  than their raw Canvas size. The result is tighter collision between
  doodads, and Boy's sprite is rather narrow for its square Canvas so
  collision on rightward geometry is tighter for the player character.
* Collision checks between actors also respect the actor's declared
  hitboxes now, allowing for Boy to get even closer to a locked door
  before being blocked.
2021-06-02 20:50:28 -07:00
76b7dfa4f8 Various updates
New doodad interactions:
* Sticky Buttons will emit a "sticky:down" event to linked doodads, with
  a boolean value showing the Sticky Button's state.
* Normal Buttons will listen for "sticky:down" -- when a linked Sticky
  Button is pressed, the normal Button presses in as well, and stays
  pressed while the sticky:down signal is true.
* When the Sticky Button is released (e.g. because it received power
  from another doodad), any linked buttons which were sticky:down
  release as well.
* Switch doodads emit a new "switch:toggle" event JUST BEFORE sending
  the "power" event. Sensitive Doodads can listen for switches in
  particular this way.
* The Electric Door listens for switch:toggle; if a Switch is activated,
  the Electric Door always flips its current state (open to close, or
  vice versa) and ignores the immediately following power event. This
  allows doors to toggle on/off regardless of sync with a Switch.

Other changes:
* When the player character dies by fire, instead of the message saying
  "Watch out for fire!" it will use the name of the fire swatch that
  hurt the player. This way levels could make it say "Watch out for
  spikes!" or "lava" or whatever they want. The "Fire" attribute now
  just means "instantly kills the player."
* Level Editor: You can now edit the Title and Author name of your level
  in the Page Settings window.
* Bugfix: only the player character ends the game by dying in fire.
  Other mobile doodads just turn dark but don't end the game.
* Increase the size of Trapdoor doodad sprites by 150% as they were a
  bit small for the player character.
* Rename the game from "Project: Doodle" to "Sketchy Maze"
2021-03-30 23:40:41 -07:00
837960c477 Doodads: Small Key Door + Bigger Crumbly Floor
* The crumbly floor doodad was made 50% larger.
* New doodad: Small Key and Small Key Door. These work like the colored
  doors and locks except each Small Key is consumed when it unlocks a
  door. The door's appearance is of iron bars.
* The inventory HUD displays a small quantity label in the lower-right
  corner of items that have a quantity, such as the Small Key. This is
  done as a Canvas.CornerLabel string attribute on uix.Canvas.
* The "give all keys" cheat adds 99 Small Keys to your inventory.
2021-01-03 17:06:33 -08:00
3892087932 Doodads: Use Key and Working Warp Doors
* The "Use Key" (Q or Spacebar) now activates the Warp Door instead of a
  collision event doing so.
* Warp Doors are now functional: the player opens a door, disappears,
  the door closes; player is teleported to the linked door which opens,
  appears the player and closes.
* If the player exits thru a Blue or Orange door which is disabled
  (dotted outline), the door still opens and drops the player off but
  returns to a Disabled state, acting as a one-way door.
* Clean up several debug log lines from Doodle and doodad scripts.
2021-01-03 15:19:21 -08:00
2c1185cc9f Doodads: Warp Doors, Bird, Larger State Blocks
* The blue and orange ON/OFF state blocks have all been increased in
  size to better match the player character (42x42 up from 33x33)
* Added a new mob: the Red Bird. It flies back and forth while
  maintaining its altitude, similar to the Red Azulian. Planned AI
  behavior is to divebomb the player when it gets close. Dive sprites
  are included but not yet hooked up in JavaScript.
* Warp Doors! (WIP). They have a golden "W" on them and come in three
  varieties: Brown, Blue and Orange. The blue and orange ones are
  sensitive to the State Block and will become dotted outlines when
  inactive (and can not be entered in this state). The door opens for
  the player character, makes him disappear, then closes again. The plan
  is it will then warp you to the location of a linked Warp Door
  elsewhere on the level, but for now it will just make the player
  re-appear after completing the Close Door animation.
2020-12-29 20:31:35 -08:00
6cd5f17e9b Prepare v0.4.0 for release 2020-11-19 20:51:02 -08:00
6e40d58010 WIP Zoom Tool
* Added Feature Flag support, run doodle with --experimental to enable
  all flags. Eraser Tool is behind a feature flag now.
* + and - on the top row of keyboard keys will zoom the drawing in and
  out in Edit Mode. The wallpaper zooms nicely enough, but level
  chunkers need work.
* A View menu is added with Zoom in/out, reset zoom, and scroll to
  origin options. The whole menu is behind the Zoom feature flag.
* Update README with lots of details for fun debug mode options to play
  around with.
2020-11-19 20:09:15 -08:00
190d4be1b6 Layer Selection Window for Doodad Editor
* When editing a doodad in the Editor Mode, the toolbar has a "Lyr."
  button that opens the Layers window.
* The Layers window allows switching the active doodad layer that you
  are drawing on, as well as create and rename layers.
* With this feature, Doodads may be fully drawn in-game, including
  adding alternate named layers for animations and multiple-state
  doodads.
* Update the Pager component to have a configurable MaxPageButtons.
  Controls that have more pages than this limit will stop having buttons
  drawn after the limit. The "Forward" and "Next" buttons can still
  navigate into the extra pages.
* Refactored and centralized the various popup windows in Editor Mode
  into editor_ui_popups.go; the SetupPopups() and various methods such
  as ShowPaletteWindow() and ShowDoodadDropper() make management of
  popups simple for the editor_ui!
* The Menu Bar in Editor Mode now has context-specific tools in the
  Tools menu: the Doodad Dropper for levels and Layers for doodads.
* Bugfix the Palette Editor window to work equally between Levels and
  Doodads, by only having it care about the Palette and not the Level
  that owns it.
2020-11-16 23:23:21 -08:00
336a949ed0 Global UI Popup Modals
* Adds global modal support in the pkg/modal/ package. It has easy
  Alert() and Confirm() methods to prompt the user before calling a
  callback function on affirmative response.
* Modals have global app state: they're processed in the main loop in
  pkg/doodle.go similar to the global command shell.
* When a modal is active, a semitransparent black frame covers the
  screen (gameplay loop paused, last game frame rendered below) and the
  modal window appears on top.
* The developer console retains higher priority than the modal system
  and always renders on top.
* Editor Mode: track when the level pixels have been modified, and
  confirm the user about unsaved changes when they attempt to close the
  level (New, Open, Close, etc.)
* Global: the Escape key no longer immediately shuts down the game, but
  will confirm the user's intent via a modal.
* File->Quit in the Editor Mode also invokes the confirm shutdown modal.
2020-11-15 18:02:35 -08:00
47cca8c7c6 Palette Editor and Doodad Dropper Windows
* Start the program window maximized with the `-w maximized` CLI option.
* Move the Doodad Palette off the right-side dock of the Editor Scene and
  into its own pop-up window: the DoodadDropper.
* Shrink the width of the Color Palette panel and show only the colors in
  the buttons. The name of the swatch is available in the mouse-over tooltip.
* Added an "Edit" button to the Color Palette. It opens a Palette Editor
  window where you can rename, change colors and attributes of existing colors
  OR insert new colors into your palette. (Deleting colors not yet supported).
* level.Chunker gets a Redraw method: invalidates all cached textures of all
  chunks forcing the level to redraw itself, possibly with an updated palette.
2020-07-09 19:38:37 -07:00
38614ee280 Tighten Doodad JavaScript API, User Documentation
* Tightens up the surface area of API methods available to the
  JavaScript VMs for doodads. Variables and functions are carefully
  passed in one-by-one so the doodad script can only access intended
  functions and not snoop on undocumented APIs.
* Wrote tons of user documentation for Doodad Scripts: documented the
  full surface area of the exposed JavaScript API now that the surface
  area is known and limited.
* Early WIP code for the Campaign JSON
2020-04-21 23:50:45 -07:00
f0101ba048 The Window Manager Update
* Take advantage of the new Window Manager feature of the UI toolkit.
* Move the MenuScene's "New Level" and "Play/Edit Level" windows into
  stand-alone functions in new pkg/windows/ package. The 'windows'
  package is isolated from the rest of Doodle and communicates using
  config variables and callback functions to avoid circular dependency.
* MenuScene calls the window constructors from the new package.
* Add an "Options" button to the Menu Bar in the Editor Scene, which
  opens the "New Level" window to allow changing the wallpaper or
  bounding type of the level currently being edited.
* Move the cheat codes into their own file, cheats.go
2020-04-06 23:21:17 -07:00
2bd420ff54 Fix getting stuck atop solid doodads
The platformer physics change introduced a regression where the player
character got "stuck" when standing on top of solid doodads.

Fixes #21
2020-04-04 21:21:11 -07:00
08e65c32b5 Overhaul the Platformer Physics System
* Player character now experiences acceleration and friction when
  walking around the map!
* Actor position and movement had to be converted from int's
  (render.Point) to float64's to support fine-grained acceleration
  steps.
* Added "physics" package and physics.Vector to be a float64 counterpart
  for render.Point. Vector is used for uix.Actor.Position() for the sake
  of movement math. Vector is flattened back to a render.Point for
  collision purposes, since the levels and hitboxes are pixel-bound.
* Refactor the uix.Actor to no longer extend the doodads.Drawing (so it
  can have a Position that's a Vector instead of a Point). This broke
  some code that expected `.Doodad` to directly reference the
  Drawing.Doodad: now you had to refer to it as `a.Drawing.Doodad` which
  was ugly. Added convenience method .Doodad() for a shortcut.
* Moved functions like GetBoundingRect() from doodads package to
  collision, where it uses its own slimmer Actor interface for just the
  relevant methods it needs.
2020-04-04 21:00:32 -07:00
c3d7348843 Inventory System for Level Actors
* Added an inventory system for actors as a replacement to the arbitrary
  key/value data store. Colored keys now add themselves to the player's
  inventory, and colored doors check the inventory.
* Inventory is a map[string]int between doodad filenames
  (red-key.doodad) and quantity (0 for key items/unlimited qty).
* API methods to add and remove inventory.
* Items HUD appears in Play Mode in lower-left corner showing doodad
  sprites of all the items in the Player's inventory.
2020-04-02 23:09:46 -07:00
0e3a30e633 Fix Actor Collision Checks Again
* Recent collision update caused a regression where the player would get
  "stuck" while standing on top of a solid doodad, unable to walk left
  or right.
* When deciding if the actor is on top of a doodad, use the doodad's
  Hitbox (if available) instead of the bounding box. This fixes the
  upside-down trapdoor acting solid when landed on from the top, since
  its Hitbox Y coordinate is not the same as the top of its sprite.
* Cheats: when using the noclip cheat in Play Mode, you can hold down
  the Shift key while moving to only move one pixel at a time.
2020-01-02 22:05:49 -08:00
a43e45fad0 Level Collision and Scrolling Fixes
* Fix the level collision bug that allowed clipping thru a ceiling while
  climbing up a wall.
* Fix the scrolling behavior to keep the character on-screen no matter
  how fast the character is moving, especially downwards.
* Increase player speed and gravity.
* New cheat: "ghost mode" disables clipping for the player character.
* Mark an actor as "grounded" if they fall and are stopped by the lower
  level border, so they may jump again.
2020-01-02 20:23:27 -08:00
7b3aec0fef Fix Two-State Blocks & Collision Detection
* Two-state Buttons now also subscribe to the state change message, so
  other on/off buttons in the same level update to match the state of
  the button that was hit.
* Add lock mutexes around the scripting engine to protect from
  concurrent event handlers.
2020-01-02 17:58:22 -08:00
8965a7d86a Doodads: Crumbly Floor, Start Flag & State Blocks
Add new doodads:

* Start Flag: place this in a level to set the spawn point of the player
  character. If no flag is found, the player spawns at 0,0 in the top
  corner of the map. Only use one Start Flag per level, otherwise the
  player will randomly spawn at one of them.
* Crumbly Floor: a solid floor that begins to shake and then fall apart
  after a moment when a mobile character steps on it. The floor respawns
  after 5 seconds.
* State Blocks: blue and orange blocks that toggle between solid and
  pass-thru whenever a State Button is activated.
* State Button: a solid "ON/OFF" block that toggles State Blocks back
  and forth when touched. Only activates if touched on the side or bottom;
  acts as a solid floor when walked on from the top.

New features for doodad scripts:

* Actor scripts: call SetMobile(true) to mark an actor as a mobile mob
  (i.e. player character or enemy). Other doodads can check if the actor
  colliding with them IsMobile so they don't activate if placed too close
  to other (non-mobile) doodads in a level. The Blue and Red Azulians
  are the only mobile characters so far.
* Message.Broadcast allows sending a pub/sub message out to ALL doodads
  in the level, instead of only to linked doodads as Message.Publish does.
  This is used for the State Blocks to globally communicate on/off status
  without needing to link them all together manually.
2019-12-30 18:13:28 -08:00
0437adfbf8 Change types int32 -> int per upstream render and ui library 2019-12-27 19:16:34 -08:00
a060330450 Switch to external git.kirsle.net/go/ui package 2019-12-27 16:31:58 -08:00
ea0b41a781 Cut lib/render into its own package, change all imports 2019-12-22 18:21:58 -08:00
7355778a39 render: Refactor Events System to Make Module Standalone
* Refactor the events used in lib/render/sdl to be more general-purpose
  to make librender a stand-alone library separate from Doodle.
2019-12-22 14:11:01 -08:00
6af60f1128 Improve Collision Detection: More Active w/ Actors
* Improve the collision detection algorithm so that Actor OnCollide
  scripts get called more often WHILE an actor is moving, to prevent a
  fast-moving actor from zipping right through the "solid" hitbox and
  not giving the subject actor time to protest the movement.
* It's implemented by adding a `Settled` boolean to the OnCollide event
  object. When the game is testing out movement, Settled=false to give
  the actor a chance to say "I'm solid!" and have the moving party be
  stopped early.
* After all this is done, for any pair of actors still with overlapping
  hitboxes, OnCollide is called one last time with Settled=true. This is
  when the actor should run its actions (like publishing messages to
  other actors, changing state as in a trapdoor, etc.)
* The new collision detection algorithm works as follows:
  * Stage 1 is the same as before, all mobile actors are moved and
    tested against level geometry. They record their Original and New
    position during this phase.
  * Stage 2 is where we re-run that movement but ping actors being
    intersected each step of the way. We trace the steps between
    Original and New position, test OnCollide handler, and if it returns
    false we move the mobile actor to the Last Good Position along the
    trace.
  * Stage 3 we run the final OnCollide(Settled=true) to let actors run
    actions they wanted to for their collide handler, WITHOUT spamming
    those actions during Stage 2.
* This should now allow for tweaking of gravity speed and player speed
  without breaking all actor collision checking.
2019-07-16 21:07:38 -07:00
0c6c77a423 Lemon-shaped Ellipse Tool (WIP)
* Add initial Ellipse Tool to the Editor Mode. Currently there's
  something wrong with the algorithm and the ellipses have a sort of
  'lemon shape' to them.
* Refactor the IterLine/IterLine2 functions to be more consistent.
  IterLine used to be the raw algorithm that took a bunch of coordinate
  numbers and IterLine2 took two render.Point's and was the main one
  used throughout the app. Now, IterLine takes the two Points and the
  raw algorithm function removed.
2019-07-14 14:18:44 -07:00
cc1e441232 Eraser Tool, Brush Sizes
* Implement Brush Sizes for drawtool.Stroke and add a UI to the tools panel
  to control the brush size.
  * Brush sizes: 1, 2, 4, 8, 16, 24, 32, 48, 64
* Add the Eraser Tool to editor mode. It uses a default brush size of 16
  and a max size of 32 due to some performance issues.
* The Undo/Redo system now remembers the original color of pixels when
  you change them, so that Undo will set them back how they were instead
  of deleting the pixel entirely. Due to performance issues, this only
  happens when your Brush Size is 0 (drawing single-pixel shapes).
* UI: Add an IntVariable option to ui.Label to bind showing the value of
  an int reference.

Aforementioned performance issues:

* When we try to remember whole rects of pixels for drawing thick
  shapes, it requires a ton of scanning for each step of the shape. Even
  de-duplicating pixel checks, tons of extra reads are constantly
  checked.
* The Eraser is the only tool that absolutely needs to be able to
  remember wiped pixels AND have large brush sizes. The performance
  sucks and lags a bit if you erase a lot all at once, but it's a
  trade-off for now.
* So pixels aren't remembered when drawing lines in your level with
  thick brushes, so the Undo action will simply delete your pixels and not
  reset them. Only the Eraser can bring back pixels.
2019-07-11 19:07:46 -07:00
fd649b7ab1 Doodad CLI Tool Features; Write Lock and Hidden
* The `doodad` CLI tool got a lot of new commands:
  * `doodad show` to verbosely print details about Levels and Doodads.
  * `edit-level` and `edit-doodad` to update details about Levels and
    Doodads, such as their Title, Author, page type and size, etc.
* Doodads gain a `Hidden bool` that hides them from the palette in
  Editor Mode. The player character (Blue Azulian) is Hidden.
* Add some boolProps to the balance/ package and made a dynamic system
  to easily configure these with the in-game dev console.
  * Command: `boolProp list` returns available balance.boolProps
  * `boolProp <name>` returns the current value.
  * `boolProp <name> <true or false>` sets the value.
* The new boolProps are:
  * showAllDoodads: enable Hidden doodads on the palette UI (NOTE:
    reload the editor to take effect)
  * writeLockOverride: edit files that are write locked anyway
  * prettyJSON: pretty-format the JSON files saved by the game.
2019-07-06 23:28:11 -07:00
6476a67faf Make Fire Deadly
* Touching "fire" pixels in a level will pop up the End Level alert box
  saying you've died by fire and can restart the level.
* Update level.WriteFile() to prune broken links between actors before
  save. So when a linked actor is deleted, the leftover link data is
  cleaned up.
* Slight optimization in Canvas.drawStrokes: if either end of the stroke
  is not within view of the screen, don't show the stroke.
2019-07-06 20:31:50 -07:00
cb02feff1d Add Switches, Fire/Water Collision and Play Menu
* New doodads: Switches.
  * They come in four varieties: wall switch (background element, with
    "ON/OFF" text) and three side-profile switches for the floor, left
    or right walls.
  * On collision with the player, they flip their state from "OFF" to
    "ON" or vice versa. If the player walks away and then collides
    again, the switch flips again.
  * Can be used to open/close Electric Doors when turned on/off. Their
    default state is "off"
  * If a switch receives a power signal from another linked switch, it
    sets its own state to match. So, two "on/off" switches that are
    connected to a door AND to each other will both flip on/off when one
    of them flips.
* Update the Level Collision logic to support Decoration, Fire and Water
  pixel collisions.
  * Previously, ALL pixels in the level were acting as though solid.
  * Non-solid pixels don't count for collision detection, but their
    attributes (fire and water) are collected and returned.
* Updated the MenuScene to support loading a map file in Play Mode
  instead of Edit Mode. Updated the title screen menu to add a button
  for playing levels instead of editing them.
* Wrote some documentation.
2019-07-06 18:30:03 -07:00
a504658055 Centralized Tick Counter, Fix Actor Dragging Bug
* The game's tick counter was moved from Doodle.ticks to shmem.Tick
  where it is more easily available from every corner of the code.
* Fix a bug in the Level Editor where dragging an already-existing actor
  from one part of your map to another, would cause it to lose all its
  data (especially its UUID), breaking links to other doodads. Now the
  existing Actor catches a ride on the drag object to be reinserted
  later.
* Animate the Link Line visualizers between actors. They now animate a
  blinking color between magenta and grey-ish.
2019-07-05 16:04:36 -07:00
dc2695cfc9 Add More Trapdoor Doodads
* Add the other trapdoor directions: Left, Right and Up.
* UI: Show a color square in each Palette Swatch button in Edit Mode.
  * Instead of just the label like "solid", "fire", "decoration" it also
    shows a square box colored as the swatch color. The label and box
    are left-aligned in the button.
* Minor Play Mode physics update:
  * The player jump is now limited: they may only continue to move
    upwards for 20 ticks, after which they must touch ground before
    jumping again.
  * Remove the "press Down to move down" button. Only gravity moves you
    down.
* Fix a crash in the Editor Mode when you dragged doodads on top of each
  other. Source of bug was the loopActorCollision() function, which only
  should be useful to Play Mode, and it expected the scripting engine to
  be attached to the Canvas. In EditorMode there is no scripting engine.
2019-07-05 15:02:22 -07:00
5a1ec156ca Editor Mode: Line Tool and Rectangle Tool
* Add support for the LineTool and RectTool while in the EditorMode to
  easily draw straight lines and rectangle outlines.
* Key bindings were added to toggle tools in lieu of a proper UI to
  select the tool from a toolbar.
  * "F" for Pencil (Freehand) Tool (since "P" is for "Playtest")
  * "L" for Line Tool
  * "R" for Rectangle Tool
2019-07-03 17:19:25 -07:00
5d8c5510d8 Draw Lines Visualizing Doodad Links in Edit Mode
* If the current edit tool is Actor or Link, use the new drawtool.Stroke
  object to draw visual lines connecting every pair of linked actors in
  the level. The lines are hidden during normal editing and gameplay and
  only appear when you're possibly manipulating your actors and links.
2019-07-03 16:51:23 -07:00
c8620f871e Drawing Strokes and Undo/Redo Functionality
* Add new pkg/drawtool with utilities to abstract away drawing actions
  into Strokes and track undo/redo History for them.
* The freehand Pencil tool in EditorMode has been refactored to create a
  Stroke of Shape=Freehand and queue up its world pixels there instead
  of directly modifying the level chunker in real time. When the mouse
  button is released, the freehand Stroke is committed to the level
  chunker and added to the UndoHistory.
* UndoHistory is (temporarily) stored with the level.Level so it can
  survive trips to PlayScene and back, but is not stored as JSON on
  disk.
* Ctrl-Z and Ctrl-Y in EditorMode for undo and redo, respectively.
2019-07-03 16:25:23 -07:00
3d08291bc5 Demo Running Level as Title Screen Wallpaper
* Load SDL2 fonts from go-bindata storage so we don't have to ship
  external font files on disk.
* Dedupe names of doodads so we don't show double on the front-end
  (go-bindata bundled doodads + those on local filesystem)
* Use go-bindata for accessing wallpaper images.
* Better flashed messages walking you through the Link Tool.
* Stylize the title screen (MainScene) by rendering a live example level
  as the background wallpaper, with mobile doodads in motion.
2019-06-27 22:59:36 -07:00
48fc40ade4 Texture Caching for WASM Canvas Engine
* Add RGBA color blending support in WASM build.
* Initial texture caching API for Canvas renderer engine. The WASM build
  writes the chunk caches as a "data:image/png" base64 URL on the
  browser's sessionStorage, for access to copy into the Canvas.
* Separated the ClickEvent from the MouseEvent (motion) in the WASM
  event queue system, to allow clicking and dragging.
* Added the EscapeKey handler, which will abruptly terminate the WASM
  application, same as it kills the window in the desktop build.
* Optimization fix: I discovered that if the user clicks and holds over
  a single pixel when drawing a level, repeated Set() operations were
  firing meaning multiple cache invalidations. Not noticeable on PC but
  on WebAssembly it crippled the browser. Now if the cursor isn't moving
  it doesn't do anything.
2019-06-26 22:44:08 -07:00
af67b20d9b Initial WebAssembly Build Target
* Initial WebAssembly build target for Doodle in the wasm/ folder.
* Add a new render.Engine implementation, lib/render/canvas that uses
  the HTML 5 Canvas API instead of SDL2 for the WebAssembly target.
  * Ported the basic DrawLine(), DrawBox() etc. functions from SDL2 to
    Canvas context2d API.
  * Fonts are handled with CSS embedded fonts named after the font
    filename and defined in wasm/index.html
* `make wasm` builds the WASM program, and `make wasm-serve` runs a dev
  Go server that hosts the WASM file for development. The server also
  watches the dev tree for *.go files and rebuilds the WASM binary
  automatically on change.
* This build "basically" runs the game. UI and fonts all work and mouse
  movements and clicks are detected. No wallpaper support yet or texture
  caching (which will crash the game as soon as you click and draw a
  pixel in your map!)
2019-06-26 18:40:40 -07:00
4dd1bebc5f Add MenuScene with New Level UI
* Debug mode: no longer enables the DebugOverlay (F3) by default, but
  does now insert the current FPS counter into the window title bar.
* ui.Frame: set a default "mostly transparent" BG color so the frame
  background doesn't render as white.
* Add the MenuScene which will house the game's main menus.
* The "New Level" menu is first to be added.
  * UI lets you pick Page Type and Wallpaper using radio buttons.
  * Page Type: Unbounded, Bounded (default), No Negative Space, Bordered
  * Fix bugs in uix.Canvas to fully support all these page types.
2019-06-25 15:01:37 -07:00
87416f9740 Link Tool UX
* On the Doodads tab is the Link button to enter the Link Tool.
* Click Link, then click the 1st doodad on the level, then click the 2nd
  doodad to complete the link.
* The actors struct in the Level holds the link IDs for each actor.
2019-06-23 16:15:09 -07:00
567b3158f1 Minor Tweaks 2019-06-08 17:02:28 -07:00
1523deeb9c Return False: Solid Collision Between Actors
* Implement the handler code for `return false` when actors are
  colliding with each other and wish to act like solid walls.
* The locked doors will `return false` when they're closed and the
  colliding actor does not have the matching key.
* Add arbitrary key/value storage to Actors. The colored keys will set
  an actor value "key:%TITLE%" on the one who touched the key before
  destroying itself. The colored doors check that key when touched to
  decide whether to open.
* The trapdoor now only opens if you're touching it from the top (your
  overlap box Y value is 0), but if you touch it from below and the door
  is closed, it acts like a solid object.
2019-05-28 21:43:30 -07:00
a2e1bd1ccb Improve OnCollide Doodad Script Handling
* Events.OnCollide now receives a CollideEvent object, which makes
  available the .Actor who collided and the .Overlap rect which is
  zero-relative to the target actor. Doodad scripts can use the .Overlap
  to see WHERE in their own box the other actor has intruded.
  * Update the LockedDoor and ElectricDoor doodads to detect when the
    player has entered their inner rect (since their doors are narrower
    than their doodad size)
  * Update the Button doodads to only press in when the player actually
    touches them (because their sizes are shorter than their doodad
    height)
  * Update the Trapdoor to only trigger its animation when the board
    along its top has been touched, not when the empty space below was
    touched from the bottom.
* Events.OnLeave now implemented and fires when an actor who was
  previously intersecting your doodad has left.
* The engine detects when an event JS callback returns false.
  Eventually, the OnCollide can return false to signify the collision is
  not accepted and the actor should be bumped away as if they hit solid
  geometry.
2019-05-06 22:58:09 -07:00
61af068b80 Load Balance Collision and Actor Loop Across CPU Cores
* Add sync.WaitGroup to some parts of the level collision detection
  function and Canvas.Loop() to speed up the frame rate by load
  balancing some work in parallel across multiple cores.
* Improves FPS from 30 to 55+ even for busy scenes with lots of mobile
  enemies walking around.
* Before the level collision optimization, framerate would sometimes dip
  to 30 FPS simply to move the player character on a completely blank
  map!
2019-05-06 17:06:40 -07:00
d28745f89e Mobile Enemy Doodad Test
* Add a Red Azulian as a test for mobile enemies.
  * Its A.I. has it walk back and forth, changing directions when it
    comes up against an obstacle for a few moments.
  * It plays walking animations and can trigger collision events with
    other Doodads, such as the Electric Door and Trapdoor.
* Move Gravity responsibility to the doodad scripts themselves.
  * Call `Self.SetGravity(true)` to opt the Doodad in to gravity.
  * The canvas.Loop() adds gravity to any doodad that has it enabled.
2019-05-06 16:30:45 -07:00
a73dec9f31 Doodad Animations Managed In-Engine
* Add animation support for Doodad actors (Play Mode) into the core
  engine, so that the Doodad script can register named animations and
  play them without managing all the details themselves.
  * Doodad API functions on Self: AddAnimation, PlayAnimation,
    StopAnimation, IsAnimating
* CLI: the `doodad convert` command will name each layer after the
  filename used as the input image.
* CLI: fix the `doodad convert` command creating duplicate Palette
  colors when converting a series of input images into a Doodad.
2019-05-06 15:30:43 -07:00
ac490473b3 Load Doodads from System Path as well as User Path 2019-05-06 13:35:08 -07:00
d042457365 Use Azulian doodad as player character instead of empty dummy 2019-05-01 18:30:30 -07:00
52a2545692 Remove ScreenshotKey Event, Add F* Key Handlers
* The F3 key now toggles the Debug Overlay, which is now OFF by default.
* The F4 key now toggles the Debug Collision Boxes feature.
2019-04-19 16:21:04 -07:00
35d96b714d Add JavaScript panic catcher to doodads
* Add example mischievous doodad script that alters the logger date
  format and animates its canvas's mask color.
2019-04-18 22:02:59 -07:00
258b2eb285 Script Timers, Multiple Doodad Frames
* CLI: fix the `doodad convert` command to share the same Palette when
  converting each frame (layer) of a doodad so subsequent layers find
  the correct color swatches for serialization.
* Scripting: add timers and intervals to Doodad scripts to allow them to
  animate themselves or add delayed callbacks. The timers have the same
  API as a web browser: setTimeout(), setInterval(), clearTimeout(),
  clearInterval().
* Add support for uix.Actor to change its currently rendered layer in
  the level. For example a Button Doodad can set its image to Layer 1
  (pressed) when touched by the player, and Trapdoors can cycle through
  their layers to animate opening and closing.
  * Usage from a Doodad script: Self.ShowLayer(1)
* Default Doodads: added scripts for all Buttons, Doors, Keys and the
  Trapdoor to run their various animations when touched (in the case of
  Keys, destroy themselves when touched, because there is no player
  inventory yet)
2019-04-18 18:15:05 -07:00
1e80304061 Initial Doodad JavaScript System
* Add the JavaScript system for Doodads to run their scripts in levels,
  and wire initial OnCollide() handler support.
* CLI: Add a `doodad install-script` command to the doodad tool.
  * Usage: `doodad install-script <index.js> <filename.doodad>`
* Add dev-assets folder for storing source files for the official
  default doodads, sprites, levels, etc. and for now add a JavaScript
  for the first test doodad.
2019-04-15 23:07:40 -07:00
f8a83cbad9 Detect Collision Between Actors
* Move all collision code into the pkg/collision package.
  * pkg/doodads/collision.go -> pkg/collision/collide_level.go
  * pkg/doodads/collide_actors.go for new Actor collide support
* Add initial collision detection code between actors in Play Mode.
2019-04-15 19:17:25 -07:00
241186209c Play Mode: Fix Level Collision w/ Scrolling
Fixes:
* Move the call to CollidesWithGrid() inside the Canvas instead of
  outside in the PlayScene.movePlayer() so it can apply to all Actors
  in motion.
* PlayScene.movePlayer() in turn just sets the player's Velocity so the
  Canvas.Loop() can move the actor itself.
* When keeping the player inside the level boundaries: previously it was
  assuming the player Position was relative to the window, and was
  checking the WorldIndexAt and getting wrong results.
* Canvas scrolling (loopFollowActor): check that the actor is getting
  close to the screen edge using the Viewport into the world, NOT the
  screen-relative coordinates of the Canvas bounding boxes.
2019-04-14 15:25:03 -07:00
5c08577214 Port over code from old collision dev PR 2019-04-09 19:17:56 -07:00
2b42a072a0 Code Layout Refactor
* All private Doodle source code into the pkg/ folder.
* Potentially public code into the lib/ folder.
* Centralize the logger into a subpackage.
2019-04-09 17:35:44 -07:00