From 8b37eeaddf48ea2efc2dfc1c607abea9abb1e7ee Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Sat, 29 Apr 2023 12:20:04 +0900
Subject: [PATCH] Add car sprites

---
 src/helpers.rs | 19 ++++++++++++++++
 src/lib.rs     | 21 ++++++++++++++++++
 src/sprites.rs | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+)
 create mode 100644 src/sprites.rs

diff --git a/src/helpers.rs b/src/helpers.rs
index 3047e78..9b448d0 100644
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -1,3 +1,7 @@
+static mut car_state: u8 = 0;
+static mut car_state_frames: u8 = 0;
+const CAR_FRAMES: u8 = 10;
+
 pub fn fill(color: u8) {
     if color > 3 {
         crate::trace("ERROR: Invalid value passed to helper \"fill\"");
@@ -22,3 +26,18 @@ pub fn draw_mouse() -> Option<(i16, i16)> {
         None
     }
 }
+
+pub fn toggle_car_state() -> bool {
+    unsafe {
+        car_state_frames += 1;
+        if car_state_frames >= CAR_FRAMES {
+            car_state_frames = 0;
+            if car_state == 0 {
+                car_state = 1;
+            } else {
+                car_state = 0;
+            }
+        }
+        car_state != 0
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 86c1fd6..6c038d6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,7 @@ mod wasm4;
 use wasm4::*;
 
 mod helpers;
+mod sprites;
 
 #[rustfmt::skip]
 const SMILEY: [u8; 8] = [
@@ -32,5 +33,25 @@ fn update() {
     blit(&SMILEY, 76, 76, 8, 8, BLIT_1BPP);
     text("Press X to blink", 16, 90);
 
+    unsafe { *DRAW_COLORS = 0x312 }
+    if helpers::toggle_car_state() {
+        blit(
+            &sprites::CAR0,
+            50,
+            40,
+            sprites::CAR0_WIDTH,
+            sprites::CAR0_HEIGHT,
+            sprites::CAR0_FLAGS,
+        );
+    } else {
+        blit(
+            &sprites::CAR1,
+            50,
+            40,
+            sprites::CAR1_WIDTH,
+            sprites::CAR1_HEIGHT,
+            sprites::CAR1_FLAGS,
+        );
+    }
     if let Some((x, y)) = helpers::draw_mouse() {}
 }
diff --git a/src/sprites.rs b/src/sprites.rs
new file mode 100644
index 0000000..551ef18
--- /dev/null
+++ b/src/sprites.rs
@@ -0,0 +1,60 @@
+// car0
+pub const CAR0_WIDTH: u32 = 48;
+pub const CAR0_HEIGHT: u32 = 32;
+pub const CAR0_FLAGS: u32 = 1; // BLIT_2BPP
+pub const CAR0: [u8; 384] = [
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x3f, 0xff, 0xff, 0xfc, 0xa8, 0x0a, 0xaa, 0xaa, 0x00, 0x00, 0xaa, 0xaa, 0x1f, 0xff, 0xff,
+    0xf0, 0x00, 0x0a, 0xaa, 0xaa, 0x80, 0x02, 0xaa, 0xaa, 0x1f, 0xff, 0xff, 0xf2, 0xa8, 0x0a, 0xaa,
+    0xaa, 0x80, 0x02, 0xaa, 0xaa, 0x17, 0xff, 0xff, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x15, 0xff, 0xff, 0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0xff, 0xff,
+    0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x7f, 0xff, 0xca, 0xa8, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x5f, 0xff, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x15, 0x5f, 0xff, 0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x57, 0xff,
+    0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x55, 0xff, 0xca, 0xa8, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x55, 0xff, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x05, 0x55, 0x7f, 0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x05, 0x55, 0x5f,
+    0xc0, 0x00, 0x0a, 0xaa, 0xa0, 0x20, 0x08, 0x0a, 0xaa, 0x00, 0x15, 0x5f, 0xca, 0xa8, 0x0a, 0xaa,
+    0xaa, 0x20, 0x08, 0xaa, 0xaa, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x00, 0xaa, 0xa3, 0xca, 0xa0, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0x00, 0x03,
+    0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0xaa, 0xa3, 0xca, 0xa0, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x00, 0x2a, 0xa3, 0xca, 0x80, 0x00, 0x0a, 0xaa, 0xa0, 0x0a, 0xaa, 0x00, 0x00, 0x00, 0x03,
+    0xc0, 0x00, 0xaa, 0x82, 0xaa, 0xa0, 0x0a, 0xa8, 0x2a, 0xa0, 0x2a, 0xa3, 0xca, 0x02, 0xff, 0xe0,
+    0xaa, 0xa0, 0x0a, 0xa0, 0xbf, 0xf8, 0x00, 0x03, 0xc0, 0x0b, 0x00, 0x38, 0x00, 0x00, 0x00, 0x02,
+    0xc0, 0x0e, 0x0a, 0xa3, 0xc0, 0x2c, 0x40, 0x4e, 0x00, 0x00, 0x00, 0x0b, 0x10, 0x13, 0x80, 0x03,
+    0xc0, 0xb1, 0x00, 0x13, 0x80, 0x00, 0x00, 0x2c, 0x40, 0x04, 0xe2, 0xa3, 0xc0, 0xb1, 0x00, 0x13,
+    0x80, 0x00, 0x00, 0x2c, 0x40, 0x04, 0xe0, 0x03, 0xff, 0xfc, 0x40, 0x4f, 0xff, 0xff, 0xff, 0xff,
+    0x10, 0x13, 0xff, 0xff, 0xff, 0xff, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x0f, 0xff, 0xff,
+];
+// car1
+pub const CAR1_WIDTH: u32 = 48;
+pub const CAR1_HEIGHT: u32 = 32;
+pub const CAR1_FLAGS: u32 = 1; // BLIT_2BPP
+pub const CAR1: [u8; 384] = [
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xfc, 0xa8, 0x0a, 0xaa, 0xaa, 0x00, 0x00, 0xaa,
+    0xaa, 0x1f, 0xff, 0xff, 0xf0, 0x00, 0x0a, 0xaa, 0xaa, 0x80, 0x02, 0xaa, 0xaa, 0x1f, 0xff, 0xff,
+    0xf2, 0xa8, 0x0a, 0xaa, 0xaa, 0x80, 0x02, 0xaa, 0xaa, 0x17, 0xff, 0xff, 0xc0, 0x00, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0xff, 0xff, 0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x15, 0xff, 0xff, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x7f, 0xff,
+    0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x5f, 0xff, 0xc0, 0x00, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x5f, 0xff, 0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x15, 0x57, 0xff, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x55, 0xff,
+    0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x15, 0x55, 0xff, 0xc0, 0x00, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x05, 0x55, 0x7f, 0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x05, 0x55, 0x5f, 0xc0, 0x00, 0x0a, 0xaa, 0xa0, 0x20, 0x08, 0x0a, 0xaa, 0x00, 0x15, 0x5f,
+    0xca, 0xa8, 0x0a, 0xaa, 0xaa, 0x20, 0x08, 0xaa, 0xaa, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0xaa, 0xa3, 0xca, 0xa0, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa,
+    0xaa, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0xaa, 0xa3,
+    0xca, 0xa0, 0x0a, 0xaa, 0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x0a, 0xaa,
+    0xaa, 0xa0, 0x0a, 0xaa, 0xaa, 0x00, 0x2a, 0xa3, 0xca, 0x80, 0x00, 0x0a, 0xaa, 0xa0, 0x0a, 0xaa,
+    0x00, 0x00, 0x00, 0x03, 0xc0, 0x00, 0xaa, 0x82, 0xaa, 0xa0, 0x0a, 0xa8, 0x2a, 0xa0, 0x2a, 0xa3,
+    0xca, 0x02, 0xff, 0xe0, 0xaa, 0xa0, 0x0a, 0xa0, 0xbf, 0xf8, 0x00, 0x03, 0xc0, 0x0b, 0xff, 0xf8,
+    0x00, 0x00, 0x00, 0x02, 0xff, 0xfe, 0x0a, 0xa3, 0xc0, 0x2f, 0x04, 0x3e, 0x00, 0x00, 0x00, 0x0b,
+    0xc1, 0x0f, 0x80, 0x03, 0xc0, 0xbc, 0x51, 0x4f, 0x80, 0x00, 0x00, 0x2f, 0x14, 0x53, 0xe2, 0xa3,
+    0xc0, 0xb0, 0x00, 0x03, 0x80, 0x00, 0x00, 0x2c, 0x00, 0x00, 0xe0, 0x03, 0xff, 0xf0, 0x00, 0x03,
+    0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0xff, 0xff, 0xff, 0xfc, 0x51, 0x4f, 0xff, 0xff, 0xff, 0xff,
+    0x14, 0x53, 0xff, 0xff, 0xff, 0xff, 0x04, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xc1, 0x0f, 0xff, 0xff,
+];