# HG changeset patch
# User unc0rr
# Date 1540765444 -3600
# Node ID 3b3d97ed2286248cb58c496f2730e7bd16592936
# Parent  bb2f4636787fe5ffe5663b62bde6f0827e98f3a5
Start land generators implementation

diff -r bb2f4636787f -r 3b3d97ed2286 rust/landgen/Cargo.toml
--- a/rust/landgen/Cargo.toml	Sun Oct 28 23:09:35 2018 +0100
+++ b/rust/landgen/Cargo.toml	Sun Oct 28 23:24:04 2018 +0100
@@ -5,3 +5,4 @@
 
 [dependencies]
 integral-geometry = { path = "../integral-geometry" }
+land2d = { path = "../land2d" }
diff -r bb2f4636787f -r 3b3d97ed2286 rust/landgen/src/lib.rs
--- a/rust/landgen/src/lib.rs	Sun Oct 28 23:09:35 2018 +0100
+++ b/rust/landgen/src/lib.rs	Sun Oct 28 23:24:04 2018 +0100
@@ -1,6 +1,20 @@
-mod outline;
+mod template_based;
 
 extern crate integral_geometry;
+extern crate land2d;
+
+struct LandGenerationParameters<T> {
+    zero: T,
+    basic: T,
+}
+
+trait LandGenerator {
+    fn generate_land<T: Copy + PartialEq, I: Iterator<Item = u32>>(
+        &self,
+        parameters: LandGenerationParameters<T>,
+        random_numbers: &mut I,
+    ) -> land2d::Land2D<T>;
+}
 
 #[cfg(test)]
 mod tests {
diff -r bb2f4636787f -r 3b3d97ed2286 rust/landgen/src/outline.rs
--- a/rust/landgen/src/outline.rs	Sun Oct 28 23:09:35 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,91 +0,0 @@
-use integral_geometry::Point;
-
-pub struct Outline {
-    points: Vec<Point>,
-}
-
-fn check_intersect(
-    segment1_start: &Point,
-    segment1_end: &Point,
-    segment2_start: &Point,
-    segment2_end: &Point,
-) -> bool {
-    let dm: i32 = (segment2_end.y - segment2_start.y) * (segment1_end.x - segment1_start.x)
-        - (segment2_end.x - segment2_start.x) * (segment1_end.y - segment1_start.y);
-
-    if dm == 0 {
-        return false;
-    }
-
-    let c1: i32 = (segment2_end.x - segment2_start.x) * (segment1_start.y - segment2_start.y)
-        - (segment2_end.y - segment2_start.y) * (segment1_start.x - segment2_start.x);
-
-    if dm > 0 {
-        if (c1 < 0) || (c1 > dm) {
-            return false;
-        }
-    } else {
-        if (c1 > 0) || (c1 < dm) {
-            return false;
-        }
-    }
-
-    let c2: i32 = (segment1_end.x - segment2_start.x) * (segment1_start.y - segment2_start.y)
-        - (segment1_end.y - segment2_start.y) * (segment1_start.x - segment2_start.x);
-
-    if dm > 0 {
-        if (c2 < 0) || (c2 > dm) {
-            return false;
-        }
-    } else {
-        if (c2 > 0) || (c2 < dm) {
-            return false;
-        }
-    }
-
-    true
-}
-
-impl Outline {
-    fn check_intersects_self_at_index(&self, index: usize) -> bool {
-        if index <= 0 || index > self.points.len() {
-            return false;
-        }
-
-        for i in 1..=self.points.len() - 3 {
-            if i <= index - 1 || i >= index + 2 {
-                if i != index - 1 && check_intersect(
-                    &self.points[index],
-                    &self.points[index - 1],
-                    &self.points[i],
-                    &self.points[i - 1],
-                ) {
-                    return true;
-                }
-                if i != index + 2 && check_intersect(
-                    &self.points[index],
-                    &self.points[index + 1],
-                    &self.points[i],
-                    &self.points[i - 1],
-                ) {
-                    return true;
-                }
-            }
-        }
-
-        false
-    }
-}
-
-#[cfg(test)]
-#[test]
-fn intersection() {
-    let p1 = Point { x: 0, y: 0 };
-    let p2 = Point { x: 0, y: 10 };
-    let p3 = Point { x: -5, y: 5 };
-    let p4 = Point { x: 5, y: 5 };
-    let p5 = Point { x: 5, y: 16 };
-
-    assert!(check_intersect(&p1, &p2, &p3, &p4));
-    assert!(!check_intersect(&p1, &p2, &p3, &p5));
-}
diff -r bb2f4636787f -r 3b3d97ed2286 rust/landgen/src/template_based.rs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/landgen/src/template_based.rs	Sun Oct 28 23:24:04 2018 +0100
@@ -0,0 +1,55 @@
+use integral_geometry::Point;
+use land2d::Land2D;
+use LandGenerationParameters;
+use LandGenerator;
+
+struct OutlineTemplate {
+    islands: Vec<Vec<Point>>,
+    fill_points: Vec<Point>,
+    width: usize,
+    height: usize,
+    can_flip: bool,
+    can_invert: bool,
+    can_mirror: bool,
+    is_negative: bool,
+}
+
+struct TemplatedLandGenerator {
+    outline_template: OutlineTemplate,
+}
+
+impl OutlineTemplate {}
+
+impl TemplatedLandGenerator {
+    fn new(outline_template: OutlineTemplate) -> Self {
+        Self { outline_template }
+    }
+}
+
+impl LandGenerator for TemplatedLandGenerator {
+    fn generate_land<T: Copy + PartialEq, I: Iterator<Item = u32>>(
+        &self,
+        parameters: LandGenerationParameters<T>,
+        random_numbers: &mut I,
+    ) -> Land2D<T> {
+        let mut pa = Vec::new();
+
+        for island in &self.outline_template.islands {
+            let mut island_points = Vec::new();
+
+            for p in island {
+                island_points.push(p);
+            }
+
+            pa.push(island_points);
+        }
+
+        let mut land = Land2D::new(
+            self.outline_template.width,
+            self.outline_template.height,
+            parameters.basic,
+        );
+
+        land
+    }
+}