From 9b1b040fdd9cab23c6a3d074bfd0dcd29eb8a8eb Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Sat, 13 Jul 2019 09:38:02 -0500
Subject: frame delay can now be randomized

---
 src/animations.rs | 25 +++++++++++--------------
 src/tile.rs       | 49 ++++++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 55 insertions(+), 19 deletions(-)

(limited to 'src')

diff --git a/src/animations.rs b/src/animations.rs
index d19a8ff..e2cc009 100644
--- a/src/animations.rs
+++ b/src/animations.rs
@@ -1,9 +1,9 @@
-use ggez::graphics::{spritebatch::SpriteBatch, DrawParam};
-use ggez::nalgebra::{Point2, Vector2};
+use ggez::graphics::spritebatch::SpriteBatch;
+use ggez::nalgebra::Point2;
+use rand::Rng;
 use std::collections::HashMap;
 use std::time::Instant;
 
-use crate::constants;
 use crate::entity::Action;
 use crate::tile::{flip, Tile};
 use crate::tileset::Tileset;
@@ -30,7 +30,13 @@ impl Animation {
 
     pub fn update(&mut self) {
         if let Some(mut i) = self.frames.iter().position(|a| a == &self.current) {
-            if let Some(delay) = self.current.properties.delay {
+            if let Some(mut delay) = self.current.properties.delay {
+                if let Some(scramble_delay) = self.current.properties.scramble_delay {
+                    if scramble_delay {
+                        delay = rand::thread_rng().gen_range(delay as f32 * 0.6, delay as f32 * 1.4)
+                            as usize;
+                    }
+                }
                 if self.timer.elapsed().as_millis() > delay as u128 {
                     i = if i == self.frames.len() - 1 { 0 } else { i + 1 };
                     self.current = self.frames[i].clone();
@@ -43,16 +49,7 @@ impl Animation {
     }
 
     pub fn draw(&self, spritebatch: &mut SpriteBatch, position: Point2<f32>) {
-        if self.current.properties.visible.is_none() {
-            spritebatch.add(
-                DrawParam::default()
-                    .src(self.current.source)
-                    .rotation(self.current.properties.rotation)
-                    .offset(Point2::new(0.5, 0.5))
-                    .dest(position)
-                    .scale(Vector2::new(constants::TILE_SCALE, constants::TILE_SCALE)),
-            );
-        }
+        self.current.draw(spritebatch, position);
     }
 }
 
diff --git a/src/tile.rs b/src/tile.rs
index 9e92fef..c86706f 100644
--- a/src/tile.rs
+++ b/src/tile.rs
@@ -1,7 +1,9 @@
-use ggez::graphics::Rect;
+use ggez::graphics::{spritebatch::SpriteBatch, DrawParam, Rect};
+use ggez::nalgebra::{Point2, Vector2};
 use std::f32::consts::PI;
 use xml::reader::XmlEvent;
 
+use crate::constants;
 use crate::xmlelements::XMLElements;
 
 #[derive(Clone, Debug, PartialEq)]
@@ -14,6 +16,24 @@ impl Tile {
     pub fn new(source: Rect, properties: Properties) -> Tile {
         Tile { source, properties }
     }
+
+    pub fn draw(&self, spritebatch: &mut SpriteBatch, position: Point2<f32>) {
+        let draw = match self.properties.visible {
+            Some(draw) => draw,
+            None => true,
+        };
+
+        if draw {
+            spritebatch.add(
+                DrawParam::default()
+                    .src(self.source)
+                    .rotation(self.properties.rotation)
+                    .offset(Point2::new(0.5, 0.5))
+                    .dest(position)
+                    .scale(Vector2::new(constants::TILE_SCALE, constants::TILE_SCALE)),
+            );
+        }
+    }
 }
 
 impl Default for Tile {
@@ -28,6 +48,7 @@ pub struct Properties {
     pub rotation: f32,
     pub keyframe: Option<usize>,
     pub delay: Option<usize>,
+    pub scramble_delay: Option<bool>,
     pub spawn: Option<String>,
     pub visible: Option<bool>,
 }
@@ -42,21 +63,38 @@ impl Properties {
             Ok(keyframe) => keyframe.parse().ok(),
             Err(_) => None,
         };
-        let delay = match XMLElements::get_attribute_value(&properties_elements, "delay") {
-            Ok(delay) => delay.parse().ok(),
-            Err(_) => None,
-        };
         let spawn = XMLElements::get_attribute_value(&properties_elements, "spawn").ok();
         let visible = match XMLElements::get_attribute_value(&properties_elements, "visible") {
             Ok(visible) => visible.parse().ok(),
             Err(_) => None,
         };
+        let delay = match XMLElements::get_attribute_value(&properties_elements, "delay") {
+            Ok(delay) => delay.parse().ok(),
+            Err(_) => None,
+        };
+        let scramble_delay =
+            match XMLElements::get_attribute_value(&properties_elements, "scramble_delay") {
+                Ok(scramble_delay) => scramble_delay.parse().ok(),
+                Err(_) => None,
+            };
+
+        /*
+        if scramble_delay {
+            println!("in");
+            let mut rng = rand::thread_rng();
+            let d = delay.unwrap() as f32;
+            let normal = Normal::new(d, d * 0.50).unwrap();
+            delay = Some(normal.sample(&mut rng) as usize);
+            println!("{:?}", delay);
+        }
+        */
 
         Properties {
             rotation: 0.0,
             entity,
             keyframe,
             delay,
+            scramble_delay,
             spawn,
             visible,
         }
@@ -70,6 +108,7 @@ impl Default for Properties {
             entity: None,
             keyframe: None,
             delay: None,
+            scramble_delay: None,
             spawn: None,
             visible: None,
         }
-- 
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