113 lines
2.7 KiB
Zig
113 lines
2.7 KiB
Zig
const w4 = @import("wasm4.zig");
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const sh0rk = @import("sh0rk.zig");
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const sprites = @import("sprites.zig");
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const palette = @import("palette.zig");
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const Direction = sh0rk.Direction;
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const Point = sh0rk.Point;
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const Rect = sh0rk.Rect;
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var frame_count: u32 = 0;
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var mara_direction: Direction = Direction.Right;
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var mara_frame: bool = false;
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var mara_box: Rect = Rect{.base = Point{.x = 60, .y = 60}, .width = 16, .height = 16};
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var mara_speed: i32 = 0;
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var screen = Rect{.base = Point{.x = 0, .y = 0}, .width = 160, .height = 160};
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export fn start() void {
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palette.tamtam();
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}
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export fn update() void {
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w4.m.colors._0 = .p3;
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w4.m.colors._1 = .p0;
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w4.text("Mara 2:\nTamamo's Fury", 10, 10);
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const gamepad = w4.m.gamepads[0];
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if (gamepad.a) {
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w4.m.colors._0 = .p2;
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}
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w4.text("Press X to blink", 16, 90);
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var old_speed = mara_speed;
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mara_speed -= 1;
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if (mara_speed < 0) {
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mara_speed = 0;
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}
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if (gamepad.up) {
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mara_direction = Direction.Up;
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mara_speed = 2;
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} else if (gamepad.down) {
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mara_direction = Direction.Down;
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mara_speed = 2;
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} else if (gamepad.left) {
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mara_direction = Direction.Left;
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mara_speed = 2;
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} else if (gamepad.right) {
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mara_direction = Direction.Right;
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mara_speed = 2;
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}
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switch (mara_direction) {
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.Up => {
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mara_box.base.y -= mara_speed;
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},
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.Down => {
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mara_box.base.y += mara_speed;
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},
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.Left => {
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mara_box.base.x -= mara_speed;
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},
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.Right => {
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mara_box.base.x += mara_speed;
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},
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}
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if (mara_box.base.x < 0) {
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mara_box.base.x = 0;
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} else if (mara_box.base.x > 160 - mara_box.width) {
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mara_box.base.x = 160 - mara_box.width;
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}
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if (mara_box.base.y < 0) {
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mara_box.base.y = 0;
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} else if (mara_box.base.y > 160 - mara_box.height) {
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mara_box.base.y = 160 - mara_box.height;
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}
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w4.m.colors._0 = .transparent;
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w4.m.colors._1 = .p0;
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w4.m.colors._2 = .p1;
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w4.m.colors._3 = .p3;
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var flags: w4.BlitFlags = w4.BlitFlags {
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.two_bits = true,
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};
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if (mara_direction == Direction.Left) {
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flags.flip_x = true;
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}
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if (frame_count % 15 == 0 and mara_speed > 0) {
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mara_frame = !mara_frame;
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}
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if (old_speed != mara_speed) {
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mara_frame = !mara_frame;
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}
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var frame: u32 = switch (mara_direction) {
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.Left => 4,
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.Right => 4,
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.Up => 2,
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.Down => 0,
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};
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var step: u32 = if (mara_frame) 1 else 0;
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w4.blitSub(&sprites.Mara, @intCast(u32, mara_box.base.x), @intCast(u32, mara_box.base.y), 16, 16, 16 * (frame + step), 0, 96, flags);
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frame_count += 1;
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}
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