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Fix teeth behavior to match CC2

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This commit is contained in:
Eevee (Evelyn Woods) 2020-09-03 10:11:26 -06:00
parent 2df8607243
commit 4972b0bc82
2 changed files with 31 additions and 18 deletions
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45
js/main.js
View File

@ -170,6 +170,12 @@ class Level {
}
this.bonus_points = 0;
this.tic_counter = 0;
// 0 to 7, indicating the first tic that teeth can move on.
// 0 is equivalent to even step; 4 is equivalent to odd step.
// 5 is the default in CC2. Lynx can use any of the 8. MSCC uses
// either 0 or 4, and defaults to 0, but which you get depends on the
// global clock which doesn't get reset between levels (!).
this.step_parity = 5;
this.hint_shown = null;
// TODO in lynx/steam, this carries over between levels; in tile world, you can set it manually
@ -335,6 +341,11 @@ class Level {
if (actor.stuck)
continue;
// Teeth can only move the first 4 of every 8 tics, though "first"
// can be adjusted
if (actor.type.uses_teeth_hesitation && (this.tic_counter + this.step_parity) % 8 >= 4)
continue;
let direction_preference;
// Actors can't make voluntary moves on ice, so they're stuck with
// whatever they've got
@ -413,24 +424,27 @@ class Level {
// teeth behavior: always move towards the player
let dx = actor.cell.x - this.player.cell.x;
let dy = actor.cell.y - this.player.cell.y;
let preferred_horizontal, preferred_vertical;
if (dx > 0) {
preferred_horizontal = 'west';
}
else if (dx < 0) {
preferred_horizontal = 'east';
}
if (dy > 0) {
preferred_vertical = 'north';
}
else if (dy < 0) {
preferred_vertical = 'south';
}
// Chooses the furthest direction, vertical wins ties
if (Math.abs(dx) > Math.abs(dy)) {
// Horizontal
if (dx > 0) {
direction_preference = ['west'];
}
else {
direction_preference = ['east'];
}
// Horizontal first
direction_preference = [preferred_horizontal, preferred_vertical].filter(x => x);
}
else {
// Vertical
if (dy > 0) {
direction_preference = ['north'];
}
else {
direction_preference = ['south'];
}
// Vertical first
direction_preference = [preferred_vertical, preferred_horizontal].filter(x => x);
}
}
else if (actor.type.movement_mode === 'random') {
@ -465,8 +479,7 @@ class Level {
});
this.tic_counter++;
while (this.tic_counter > 20) {
this.tic_counter -= 20;
if (this.tic_counter % 20 === 0) {
this.time_remaining -= 1;
if (this.time_remaining <= 0) {
this.fail("Time's up!");

4
js/tiletypes.js
View File

@ -452,8 +452,8 @@ const TILE_TYPES = {
is_monster: true,
blocks_monsters: true,
movement_mode: 'pursue',
// TODO actually 4 with deliberate pauses but i have no way to model that atm
movement_speed: 8,
movement_speed: 4,
uses_teeth_hesitation: true,
},
fireball: {
is_actor: true,