tutorials/roguelike-game
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Add ability to load string map in the prefab map builder

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This commit is contained in:
Timothy Warren 2021-12-10 15:17:51 -05:00
parent db168dc01a
commit 8bf63ad876
2 changed files with 155 additions and 57 deletions
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152
src/map_builders/prefab_builder.rs
View File

@ -9,6 +9,7 @@ use specs::prelude::*;
#[allow(dead_code)] #[allow(dead_code)]
pub enum PrefabMode { pub enum PrefabMode {
RexLevel { template: &'static str }, RexLevel { template: &'static str },
Constant { level: prefab_levels::PrefabLevel },
} }
pub struct PrefabBuilder { pub struct PrefabBuilder {
@ -62,71 +63,17 @@ impl PrefabBuilder {
starting_position: Position { x: 0, y: 0 }, starting_position: Position { x: 0, y: 0 },
depth: new_depth, depth: new_depth,
history: Vec::new(), history: Vec::new(),
mode: PrefabMode::RexLevel { mode: PrefabMode::Constant {
template: "../resources/wfc-demo1.xp", level: prefab_levels::WFC_POPULATED,
}, },
spawns: Vec::new(), spawns: Vec::new(),
} }
} }
#[allow(dead_code)]
fn load_rex_map(&mut self, path: &str) {
let xp_file = rltk::rex::XpFile::from_resource(path).unwrap();
for layer in &xp_file.layers {
for y in 0..layer.height {
for x in 0..layer.width {
let cell = layer.get(x, y).unwrap();
if x < self.map.width as usize && y < self.map.height as usize {
let idx = self.map.xy_idx(x as i32, y as i32);
// We're doing some nasty casting to make it easier to type things like '#' in the match
match (cell.ch as u8) as char {
' ' => self.map.tiles[idx] = TileType::Floor, // space
'#' => self.map.tiles[idx] = TileType::Wall, // #
'@' => {
self.map.tiles[idx] = TileType::Floor;
self.starting_position = Position {
x: x as i32,
y: y as i32,
};
}
'>' => self.map.tiles[idx] = TileType::DownStairs,
'g' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Goblin".to_string()));
}
'o' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Orc".to_string()));
}
'^' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Bear Trap".to_string()));
}
'%' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Rations".to_string()));
}
'!' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Health Potion".to_string()));
}
_ => {
rltk::console::log(format!(
"Unknown glyph loading map: {}",
(cell.ch as u8) as char
));
}
}
}
}
}
}
}
fn build(&mut self) { fn build(&mut self) {
match self.mode { match self.mode {
PrefabMode::RexLevel { template } => self.load_rex_map(&template), PrefabMode::RexLevel { template } => self.load_rex_map(&template),
PrefabMode::Constant { level } => self.load_ascii_map(&level),
} }
self.take_snapshot(); self.take_snapshot();
@ -157,4 +104,95 @@ impl PrefabBuilder {
self.take_snapshot(); self.take_snapshot();
} }
} }
fn char_to_map(&mut self, ch: char, idx: usize) {
match ch {
' ' => self.map.tiles[idx] = TileType::Floor,
'#' => self.map.tiles[idx] = TileType::Wall,
'@' => {
let x = idx as i32 % self.map.width;
let y = idx as i32 / self.map.width;
self.map.tiles[idx] = TileType::Floor;
self.starting_position = Position {
x: x as i32,
y: y as i32,
};
}
'>' => self.map.tiles[idx] = TileType::DownStairs,
'g' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Goblin".to_string()));
}
'o' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Orc".to_string()));
}
'^' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Bear Trap".to_string()));
}
'%' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Rations".to_string()));
}
'!' => {
self.map.tiles[idx] = TileType::Floor;
self.spawns.push((idx, "Health Potion".to_string()));
}
_ => {
rltk::console::log(format!("Unknown glyph loading map: {}", (ch as u8) as char));
}
}
}
#[allow(dead_code)]
fn load_rex_map(&mut self, path: &str) {
let xp_file = rltk::rex::XpFile::from_resource(path).unwrap();
for layer in &xp_file.layers {
for y in 0..layer.height {
for x in 0..layer.width {
let cell = layer.get(x, y).unwrap();
if x < self.map.width as usize && y < self.map.height as usize {
let idx = self.map.xy_idx(x as i32, y as i32);
// We're doing some nasty casting to make it easier to type things like '#' in the match
self.char_to_map(cell.ch as u8 as char, idx);
}
}
}
}
}
fn read_ascii_to_vec(template: &str) -> Vec<char> {
let mut string_vec: Vec<char> = template
.chars()
.filter(|a| *a != '\r' && *a != '\n')
.collect();
for c in string_vec.iter_mut() {
if *c as u8 == 160_u8 {
*c = ' ';
}
}
string_vec
}
#[allow(dead_code)]
fn load_ascii_map(&mut self, level: &prefab_levels::PrefabLevel) {
// Start by converting to a vector, with newlines removed
let string_vec = Self::read_ascii_to_vec(level.template);
let mut i = 0;
for ty in 0..level.height {
for tx in 0..level.width {
if tx < self.map.width as usize && ty < self.map.height as usize {
let idx = self.map.xy_idx(tx as i32, ty as i32);
self.char_to_map(string_vec[i], idx);
}
i += 1;
}
}
}
} }

60
src/map_builders/prefab_builder/prefab_levels.rs
View File

@ -0,0 +1,60 @@
#[derive(PartialEq, Copy, Clone)]
pub struct PrefabLevel {
pub template: &'static str,
pub width: usize,
pub height: usize,
}
#[allow(dead_code)]
pub const WFC_POPULATED: PrefabLevel = PrefabLevel {
template: LEVEL_MAP,
width: 80,
height: 43,
};
#[allow(dead_code)]
const LEVEL_MAP: &str = "
################################################################################
# ######################################################## #########
# @ ###### ######### #### ################### #######
# #### g # ############### #####
# #### # # ####### #### ############# ###
##### ######### # # ####### ######### #### ##### ###
##### ######### ###### ####### o ######### #### ## ##### ###
## #### ######### ### ## o ###
##### ######### ### #### ####### ## ##### ###
##### ######### ### #### ####### # ### ## ##### ###
##### ######### ### #### ####### ####### ##### o ###
### ## ### #### ####### ################ ###
### ## ### o ###### ########### # ############ ###
### ## ### ###### ########### ### ###
### % ###### ########### # ### ! ## ###
### ## ### ###### ## ####### ## ###
### ## ### ## ### ##### # ######################## #####
### ## ### ## ### ##### # # ###################### #####
#### ## ####### ###### ##### ### #### o ########### ###### #####
#### ## ####### ###### #### ## #### # ######### ###### ######
# ## ####### ###### #### ## #### ############ ##### ######
# g ## ####### ###### #### ## % ########### o o #### # #
# ## ### #### ## #### # ####### ## ## #### g #
####### ####### #### ###### ! ! ### # #
###### ##### #### # ###### ### ######
##### ##### # ########## ### ######
##### ! ### ###### # ########## o##o ### # ##
##### ### ####### ## # ###### ### g ##
# ## #### ######## ### o ####### ^########^ #### # ##
# g # ###### ######## ##### ####### ^ ^ #### ######
# ##g#### ###### ######## ################ ##### ######
# ## ########## ########## ######## ################# ###### #
##### ######### ########## % ######## ################### ######## ## #
#### ### ######## ########## ######## #################### ########## # #
### ##### ###### ######### ######## ########### ####### # g# #
### ##### ############### ### ########### ####### #### #
### ##### #### ############## ######## g g ########### #### # ^ #
#### ###^#### ############# ######## ##### #### # g# #
##### ###### ### ######## ##### g #### ! ####^^ #
#!%^## ### ## ########## ######## gg g # > #
#!%^ ### ### ############### ######## ##### g #### # g# #
# %^## ^ ### ############### ######## ##### ##################
################################################################################
";