Copy text strings into memory arena for UI

engine/breeze/defines.h

@@ -22,7 +22,7 @@ typedef double f64;
 #define BZ_ASSERT(e) assert(e)
 
 #define BZ_MAX(a, b) (((a) > (b)) ? (a) : (b))
-#define BZ_MIN(a, b) BZ_MAX(b, a)
+#define BZ_MIN(a, b) (((a) < (b)) ? (a) : (b))
 #define BZ_ABS(a) ((a >= 0) ? (a) : (-(a)))
 
 #define DEBUG_MODE

engine/breeze/ui/ui.c

@@ -1,6 +1,7 @@
 #include "ui.h"
 #include "../core/logger.h"
 #include "../memory/memory.h"
+#include "../memory/stack_alloc.h"
 #include "../util/object_pool.h"
 #include "../util/string.h"
 #include "../util/array.h"
@@ -58,6 +59,9 @@ typedef struct BzUI {
     BzUITextShadowStyle *textShadowStyles;
     BzUIBorderStyle     *borderStyles;
 
+    // TODO: Use arena (when implemented) instead of stack allocator.
+    BzStackAlloc strArena;
+
     u64 currFrame;
     u64 keyIdCount; // Per-frame
 } BzUI;
@@ -108,6 +112,9 @@ BzUI *bzUICreate() {
     ui->textShadowStyles = bzArrayCreate(BzUITextShadowStyle, 10);
     ui->borderStyles     = bzArrayCreate(BzUIBorderStyle, 10);
 
+    // 10kb should be enough
+    ui->strArena = bzStackAllocCreate(10240);
+
     hmput(ui->nodeMap, ui->root->key, ui->root);
     return ui;
 }
@@ -123,6 +130,8 @@ void bzUIDestroy(BzUI *ui) {
     bzArrayDestroy(ui->textShadowStyles);
     bzArrayDestroy(ui->borderStyles);
 
+    bzStackAllocDestroy(&ui->strArena);
+
     bzFree(ui);
 }
 
@@ -148,6 +157,8 @@ void bzUIBegin(BzUI *ui, i32 width, i32 height) {
     bzArrayClear(ui->textShadowStyles);
     bzArrayClear(ui->borderStyles);
 
+    bzStackAllocReset(&ui->strArena);
+
     ui->currFrame++;
     ui->root->lastFrame = ui->currFrame;
     ui->keyIdCount = 1;
@@ -568,6 +579,23 @@ void bzUISetBoxShadowStyle(BzUI *ui, BzUINode *node, BzUIBoxShadowStyle style) {
 void bzUISetTextStyle(BzUI *ui, BzUINode *node, BzUITextStyle style) {
     BZ_ASSERT(ui && node);
     BZ_ASSERT(node->flags & BZ_UI_DRAW_TEXT);
+    BZ_ASSERT(style.text);
+    char *str = style.text;
+    char prev = '\0';
+    while (*str) {
+        if (*str == '#' && prev == '#') {
+            str--;
+            break;
+        }
+        prev = *str;
+        str++;
+    }
+    size_t strLen = str - style.text;
+    char *text = bzStackAlloc(&ui->strArena, strLen + 1);
+    bzMemMove(text, style.text, strLen);
+    text[strLen] = '\0';
+    style.text = text;
+
     BZ_UI_SET_STYLE(ui, node, textStyleIdx, textStyles, style);
 }
 void bzUISetTextShadowStyle(BzUI *ui, BzUINode *node, BzUITextShadowStyle style) {

engine/breeze/ui/ui.h

@@ -126,8 +126,7 @@ typedef struct BzUIBorderStyle {
 } BzUIBorderStyle;
 
 typedef struct BzUITextStyle {
-    const char *text;
-
+    char *text;
     Font  font;
     f32   fontSize;
     f32   fontSpacing;