Start implementing I/O for level data.

src/main.c

@@ -1,135 +0,0 @@
-/* Collision groups: */
-/*   0x1 - top and bottom walls */
-/*   0x2 - player */
-/*   0x4 - enemies */
-/*   0x8 - side walls */
-/*   0x10 - bullets */
-
-#include "pd_api.h"
-
-#include "kani.h"
-#include "enemies.h"
-#include "wave.h"
-
-/* local player = nil */
-/* local ui = nil */
-/* local currentWave = nil */
-
-/* function playdate.update() */
-/*    gfx.sprite.update() */
-/*    if currentWave:update() then */
-/*       -- fight forever lol */
-/*       currentWave = newWave() */
-/*       playdate.timer.performAfterDelay(1000, Wave.add, currentWave) */
-/*    end */
-/*    playdate.timer.updateTimers() */
-/* end */
-
-Kani* player = NULL;
-UI* ui = NULL;
-Wave* currentWave = NULL;
-
-int update(void* userdata) {
-  PlaydateAPI* pd = userdata;
-
-  pd->sprite->updateAndDrawSprites();
-
-  if (currentWave->update()) {
-    currentWave = newWave(pd); // TODO: this is a stub that just repeats the same wave over and over
-    currentWave->add();
-  }
-}
-
-int eventHandler(PlaydateAPI* pd, PDSystemEvent event, uint32_t arg) {
-  if (event == kEventInit) {
-    pd->system->setUpdateCallback(update, pd);
-
-    currentWave = newWave(); // TODO: this is a stub that just repeats the same wave over and over
-    currentWave->add();
-
-    ui = newUI(pd);
-    player = newKani(pd);
-  }
-}
-
-Wave* newWave() {
-  
-}
-
-/* function setup() */
-/*    ui = UI() */
-/*    player = Kani(ui) */
-/*    player:moveTo(16, 120) */
-/*    player:add() */
-/*    ui:add() */
-
-/*    makeWalls() */
-/*    drawBackground() */
-/* end */
-
-/* function makeWalls() */
-/*    makeWall(200, 0, 400, 1, 0x1) */
-/*    makeWall(0, 120, 1, 240, 0x8) */
-/*    makeWall(200, 240, 400, 1, 0x1) */
-/*    makeWall(400, 120, 1, 240, 0x8) */
-/* end */
-
-/* function makeWall(x, y, w, h, mask) */
-/*    local wall = gfx.sprite.new() */
-/*    wall:setSize(w, h) */
-/*    wall:setCollideRect(0, 0, wall:getSize()) */
-/*    wall:moveTo(x, y) */
-/*    wall:setGroupMask(mask) */
-/*    wall:add() */
-/* end */
-
-/* function drawBackground() */
-/*    local backgroundImage = gfx.image.new(400, 240, gfx.kColorWhite) */
-/*    gfx.sprite.setBackgroundDrawingCallback( */
-/*       function(x, y, width, height) */
-/*          backgroundImage:draw(0, 0) */
-/*       end */
-/*    ) */
-/* end */
-
-/* -- Right now we only have a single wave and we repeat it forever */
-/* function newWave() */
-/*    wave = Wave.new() */
-
-/*    local startPosition = geom.point.new(410,120) */
-
-/*    local enemy = Ika(player) */
-/*    enemy.introAnimator = gfx.animator.new( */
-/*       5000, */
-/*       startPosition, */
-/*       geom.point.new(350,120) */
-/*    ) */
-
-/*    wave:addEntity(enemy) */
-
-/*    local y = 50 */
-/*    for x=270, 300, 10 do */
-/*       local dir = 1 */
-/*       if math.random(2) == 1 then */
-/*          dir = -1 */
-/*       end */
-/*       local vector = geom.vector2D.new(0, dir) */
-
-/*       enemy = Ebi() */
-/*       enemy.vector = vector */
-/*       enemy.introAnimator = gfx.animator.new( */
-/*          2500, */
-/*          startPosition, */
-/*          geom.point.new(x,y) */
-/*       ) */
-
-/*       wave:addEntity(enemy) */
-
-/*       y += 50 */
-/*    end */
-
-/*    return wave */
-/* end */
-
-
-/* setup() */

src/wave.lua

@@ -4,13 +4,24 @@
 import "CoreLibs/object"
 import "entity"
 
+local yaml = import "lib/lyaml"
 local gfx <const> = playdate.graphics
 local geom <const> = playdate.geometry
 
 class("Wave").extends()
 
-function Wave.new()
+-- returns a new Wave by loading in and parsing the wave data at path
+function Wave.new(path)
    local w = Wave()
+
+   local file = io.open(path)
+   if not file then return nil end
+   local data = yaml.load(file.read("*a"))
+
+   for e in data.entities do
+      -- tk
+   end
+
    return w
 end