From eef254e2bed8ab849ea7da7da18cfedbd63cf3a7 Mon Sep 17 00:00:00 2001
From: "Timothy J. Warren" <tim@timshomepage.net>
Date: Fri, 28 Jan 2022 12:28:42 -0500
Subject: [PATCH] Implement start of Mushroom Forest entrance

---
 src/colors.rs                       |  6 +++---
 src/map/themes.rs                   | 29 ++++++++++++++++++++++++++++-
 src/map_builders.rs                 |  3 +++
 src/map_builders/mushroom_forest.rs | 26 ++++++++++++++++++++++++++
 4 files changed, 60 insertions(+), 4 deletions(-)
 create mode 100644 src/map_builders/mushroom_forest.rs

diff --git a/src/colors.rs b/src/colors.rs
index 6c36b33..126e734 100644
--- a/src/colors.rs
+++ b/src/colors.rs
@@ -15,6 +15,9 @@ pub const BLACK: RGB = new(0., 0., 0.);
 /// RGB: (102, 102, 102)
 pub const DARK_GRAY: RGB = new(0.4, 0.4, 0.4);
 
+/// RGB: (128, 128, 128)
+pub const MID_GRAY: RGB = new(0.5, 0.5, 0.5);
+
 /// HEX: #999
 /// RGB: (153, 153, 153)
 pub const BOX_GRAY: RGB = new(0.6, 0.6, 0.6);
@@ -70,9 +73,6 @@ pub const GREEN: RGB = new(0., 1., 0.);
 /// RGB: (255, 0, 255)
 pub const MAGENTA: RGB = new(1., 0., 1.);
 
-/// RGB: (128, 128, 128)
-pub const MID_GRAY: RGB = new(0.5, 0.5, 0.5);
-
 /// RGB: (255, 165, 0)
 pub const ORANGE: RGB = new(1., 0.647, 0.);
 
diff --git a/src/map/themes.rs b/src/map/themes.rs
index 165a194..ff1ca4a 100644
--- a/src/map/themes.rs
+++ b/src/map/themes.rs
@@ -6,6 +6,14 @@ use crate::colors;
 
 pub fn tile_glyph(idx: usize, map: &Map) -> (FontCharType, RGB, RGB) {
     let (glyph, mut fg, mut bg) = match map.depth {
+        7 => {
+            let x = idx as i32 % map.width;
+            if x > map.width - 16 {
+                get_tile_glyph_default(idx, map)
+            } else {
+                get_mushroom_glyph(idx, map)
+            }
+        }
         5 => {
             let x = idx as i32 % map.width;
             if x < map.width / 2 {
@@ -74,7 +82,26 @@ fn get_forest_glyph(idx: usize, map: &Map) -> (FontCharType, RGB, RGB) {
     (glyph, fg, bg)
 }
 
-fn get_tile_glyph_default(idx: usize, map: &Map) -> (rltk::FontCharType, RGB, RGB) {
+fn get_mushroom_glyph(idx: usize, map: &Map) -> (FontCharType, RGB, RGB) {
+    let bg = colors::BLACK;
+
+    let (glyph, fg) = match map.tiles[idx] {
+        TileType::Wall => (to_cp437('♠'), colors::MAGENTA),
+        TileType::Bridge => (to_cp437('.'), colors::GREEN),
+        TileType::Road => (to_cp437('≡'), colors::CHOCOLATE),
+        TileType::Grass => (to_cp437('"'), colors::GREEN),
+        TileType::ShallowWater => (to_cp437('~'), colors::CYAN),
+        TileType::DeepWater => (to_cp437('~'), colors::BLUE),
+        TileType::Gravel => (to_cp437(';'), colors::MID_GRAY),
+        TileType::DownStairs => (to_cp437('>'), colors::CYAN),
+        TileType::UpStairs => (to_cp437('<'), colors::CYAN),
+        _ => (to_cp437('"'), colors::FOREST_GREEN),
+    };
+
+    (glyph, fg, bg)
+}
+
+fn get_tile_glyph_default(idx: usize, map: &Map) -> (FontCharType, RGB, RGB) {
     let mut bg = colors::BLACK;
 
     let (glyph, mut fg) = match map.tiles[idx] {
diff --git a/src/map_builders.rs b/src/map_builders.rs
index f0b38fb..35dede0 100644
--- a/src/map_builders.rs
+++ b/src/map_builders.rs
@@ -13,6 +13,7 @@ mod dwarf_fort;
 mod forest;
 mod limestone_cavern;
 mod maze;
+mod mushroom_forest;
 mod prefab_builder;
 mod room_based_spawner;
 mod room_based_stairs;
@@ -50,6 +51,7 @@ use limestone_cavern::{
     limestone_cavern_builder, limestone_deep_cavern_builder, limestone_transition_builder,
 };
 use maze::MazeBuilder;
+use mushroom_forest::*;
 use prefab_builder::PrefabBuilder;
 use room_based_spawner::RoomBasedSpawner;
 use room_based_stairs::RoomBasedStairs;
@@ -357,6 +359,7 @@ pub fn level_builder(
         4 => limestone_deep_cavern_builder(new_depth, rng, width, height),
         5 => limestone_transition_builder(new_depth, rng, width, height),
         6 => dwarf_fort_builder(new_depth, rng, width, height),
+        7 => mushroom_entrance(new_depth, rng, width, height),
         _ => random_builder(new_depth, rng, width, height),
     }
 }
diff --git a/src/map_builders/mushroom_forest.rs b/src/map_builders/mushroom_forest.rs
new file mode 100644
index 0000000..a169c7b
--- /dev/null
+++ b/src/map_builders/mushroom_forest.rs
@@ -0,0 +1,26 @@
+use super::prefab_builder::prefab_sections::UNDERGROUND_FORT;
+use super::{
+    AreaEndingPosition, AreaStartingPosition, BuilderChain, CellularAutomataBuilder,
+    CullUnreachable, PrefabBuilder, VoronoiSpawning, WaveformCollapseBuilder, XEnd, XStart, YEnd,
+    YStart,
+};
+
+pub fn mushroom_entrance(
+    new_depth: i32,
+    _rng: &mut ::rltk::RandomNumberGenerator,
+    width: i32,
+    height: i32,
+) -> BuilderChain {
+    let mut chain = BuilderChain::new(new_depth, width, height, "Into the Mushroom Grove");
+    chain
+        .start_with(CellularAutomataBuilder::new())
+        .with(WaveformCollapseBuilder::new())
+        .with(AreaStartingPosition::new(XStart::Center, YStart::Center))
+        .with(CullUnreachable::new())
+        .with(AreaStartingPosition::new(XStart::Right, YStart::Center))
+        .with(AreaEndingPosition::new(XEnd::Left, YEnd::Center))
+        .with(VoronoiSpawning::new())
+        .with(PrefabBuilder::sectional(UNDERGROUND_FORT));
+
+    chain
+}