From 9d5d8ba4eaea5c0ec9e4e24cedad51fa727bf2c3 Mon Sep 17 00:00:00 2001
From: jesse <jesse.coyle@tutanota.com>
Date: Sat, 31 May 2025 16:31:10 -0700
Subject: [PATCH] made type Rect and added rect_cut procedures

---
 math/module.jai | 34 ++++++++++++++++++++++++++++++++-
 math/shape.jai  | 51 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 math/shape.jai

diff --git a/math/module.jai b/math/module.jai
index b1d50e2..c81a075 100644
--- a/math/module.jai
+++ b/math/module.jai
@@ -1,8 +1,12 @@
 #module_parameters(
    UNITS: enum { radians; degrees; turns; } = .turns,
+   RECT_TYPE: Type = float,
+   // RECT_METHOD: enum { dimension; absolute; } = absolute, // Note(Jesse): Maybe at a later point we can do this
    RUN_TESTS := false
 );
 
+#assert meta.type_is_scalar(RECT_TYPE);
+
 // @todo(judah): dumb we can't use meta.range_for here.
 
 U8_Min,  U8_Max  :: #run meta.lo_for(u8),  #run meta.hi_for(u8);
@@ -18,10 +22,11 @@ S64_Min, S64_Max :: #run meta.lo_for(s64), #run meta.hi_for(s64);
 F32_Min, F32_Max :: #run meta.lo_for(float32), #run meta.hi_for(float32);
 F64_Min, F64_Max :: #run meta.lo_for(float64), #run meta.hi_for(float64);
 
+#load "common.jai";
 #load "vec.jai";
 #load "mat.jai";
 #load "ease.jai";
-#load "common.jai";
+#load "shape.jai";
 
 #scope_module;
 
@@ -35,6 +40,7 @@ F64_Min, F64_Max :: #run meta.lo_for(float64), #run meta.hi_for(float64);
    mat2_tests();
    mat4_tests();
    quat_tests();
+   rect_cut_tests();
 }
 
 #scope_file;
@@ -338,6 +344,32 @@ quat_tests :: () {
    }
 }
 
+rect_cut_tests :: () {
+   r := make_rect(0, 0, 1920, 1080);
+   menu_ribbon := cut_top(*r, 28);
+   basic.print("menu_ribbon:             %\n", menu_ribbon);
+   basic.print("r':                      %\n", r);
+
+   status_bar := cut_bottom(*r, 16);
+   basic.print("status_bar:              %\n", status_bar);
+   basic.print("r':                      %\n", r);
+
+   character_preview_panel := cut_right(*r, r.width/3);
+   basic.print("character_preview_panel: %\n", character_preview_panel);
+   basic.print("r':                      %\n", r);
+
+   text_box := cut_top(*r, r.height/2);
+   basic.print("text_box:                %\n", text_box);
+   basic.print("r':                      %\n", r);
+
+   dialogue_choices := cut_left(*r, r.width/2);
+   basic.print("dialogue_choices:        %\n", dialogue_choices);
+   basic.print("r':                      %\n", r);
+
+   dialogue_history := r;
+   basic.print("dialogue_history:        %\n", dialogue_history);
+}
+
 dot_print :: (fmt: string, args: ..Any, width: int = 30) {
    dots := ".................................................................";
    str := basic.tprint(fmt, args);
diff --git a/math/shape.jai b/math/shape.jai
new file mode 100644
index 0000000..e6fde84
--- /dev/null
+++ b/math/shape.jai
@@ -0,0 +1,51 @@
+
+Rect :: #type,distinct Vec(4, RECT_TYPE);
+
+make_rect :: (x: RECT_TYPE, y: RECT_TYPE, w: RECT_TYPE, h: RECT_TYPE) -> Rect {
+	r: Rect = ---;
+	r.x = x;
+	r.y = y;
+	r.width = w;
+	r.height = h;
+	return r;
+}
+
+cut_left :: (rect: *Rect, want: RECT_TYPE) -> Rect {
+	amnt := basic.min(want, rect.width);
+	r := rect.*;
+	r.width = amnt;
+	rect.x += amnt;
+	rect.width -= amnt;
+	return r;
+}
+
+cut_right :: (rect: *Rect, want: RECT_TYPE) -> Rect {
+	amnt := basic.min(want, rect.width);
+	r := rect.*;
+	r.x += rect.width - amnt;
+	r.width = amnt;
+	rect.width -= r.width;
+	return r;
+}
+
+cut_top :: (rect: *Rect, want: RECT_TYPE) -> Rect {
+	amnt := basic.min(rect.height, want);
+	r := rect.*;
+	r.height -= amnt;
+	rect.y += amnt;
+	rect.height -= amnt;
+	return r;
+}
+
+cut_bottom :: (rect: *Rect, want: RECT_TYPE) -> Rect {
+	amnt := basic.min(want, rect.height);
+	r := rect.*;
+	r.y += r.height - amnt;
+	r.height = amnt;
+	rect.height -= amnt;
+	return r;
+}
+
+#scope_file
+
+basic :: #import "Basic";