From c775ca6133d93ed97359a6a50bd94a5563c740de Mon Sep 17 00:00:00 2001
From: fschildt <florian.schildt@protonmail.com>
Date: Wed, 1 Oct 2025 14:08:24 +0200
Subject: general refactoring, prepare breakout game

---
 src/common/Font.cpp   |  4 +--
 src/common/Font.hpp   |  4 +--
 src/common/defs.hpp   | 14 ++++++++
 src/common/math.cpp   | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/common/math.hpp   | 61 +++++++++++++++++++++++++++++++++
 src/common/shapes.hpp | 16 +++++++++
 6 files changed, 190 insertions(+), 4 deletions(-)
 create mode 100644 src/common/defs.hpp
 create mode 100644 src/common/math.cpp
 create mode 100644 src/common/math.hpp
 create mode 100644 src/common/shapes.hpp

(limited to 'src/common')

diff --git a/src/common/Font.cpp b/src/common/Font.cpp
index 31a6720..b5b177c 100644
--- a/src/common/Font.cpp
+++ b/src/common/Font.cpp
@@ -86,8 +86,8 @@ Font::LoadGlyph(Glyph& glyph, uint32_t codepoint)
     }
     delete[] bitmap_flipped;
 
-    glyph.bitmap.width = width;
-    glyph.bitmap.height = height;
+    glyph.bitmap.w = width;
+    glyph.bitmap.h = height;
     glyph.bitmap.pixels = std::unique_ptr<uint8_t>(bitmap_correct);
 
 
diff --git a/src/common/Font.hpp b/src/common/Font.hpp
index a594add..91afe06 100644
--- a/src/common/Font.hpp
+++ b/src/common/Font.hpp
@@ -5,8 +5,8 @@
 
 
 struct MonoBitmap {
-    int32_t width;
-    int32_t height;
+    int32_t w;
+    int32_t h;
     std::unique_ptr<uint8_t> pixels;
 };
 
diff --git a/src/common/defs.hpp b/src/common/defs.hpp
new file mode 100644
index 0000000..007d560
--- /dev/null
+++ b/src/common/defs.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <cassert>
+#include <cstdint>
+
+
+#define ARRAY_COUNT(x) (sizeof(x) / sizeof(x[0]))
+
+#define InvalidDefaultCase assert(0)
+
+#define KIBIBYTES(x) ((x)*1024)
+#define MEBIBYTES(x) ((x)*KIBIBYTES(1024))
+#define GIBIBYTES(x) ((x)*MEBIBYTES(1024))
+
diff --git a/src/common/math.cpp b/src/common/math.cpp
new file mode 100644
index 0000000..ba54f3a
--- /dev/null
+++ b/src/common/math.cpp
@@ -0,0 +1,95 @@
+#include <common/math.hpp>
+
+
+/* V2ST */
+
+bool
+V2ST::operator==(V2ST& b)
+{
+    bool result = this->x == b.x && this->y == b.y;
+    return result;
+}
+
+
+
+/* V2F32 */
+
+V2F32
+V2F32::operator/(float scalar)
+{
+    V2F32 result {};
+    result.x = this->x / scalar;
+    result.y = this->y / scalar;
+    return result;
+}
+
+V2F32
+V2F32::operator*(float scalar)
+{
+    V2F32 result {};
+    result.x = this->x * scalar;
+    result.y = this->y * scalar;
+    return result;
+}
+
+V2F32 V2F32::operator+(V2F32 other) {
+    V2F32 result {};
+    result.x = this->x + other.x;
+    result.y = this->y + other.y;
+    return result;
+}
+
+
+/* V3F32 */
+
+V3F32 V3F32::operator/(float scalar) {
+    V3F32 result = {};
+    result.x = this->x / scalar;
+    result.y = this->y / scalar;
+    result.z = this->z / scalar;
+    return result;
+}
+
+V3F32 V3F32::operator*(float scalar) {
+    V3F32 result = {};
+    result.x = this->x * scalar;
+    result.y = this->y * scalar;
+    result.z = this->z * scalar;
+    return result;
+}
+
+
+/* V4F32 */
+
+V4F32
+V4F32::operator/(float scalar)
+{
+    V4F32 result {};
+    result.x = this->x / scalar;
+    result.y = this->y / scalar;
+    result.z = this->z / scalar;
+    result.w = this->w / scalar;
+    return result;
+}
+
+V4F32
+V4F32::operator*(float scalar)
+{
+    V4F32 result {};
+    result.x = this->x * scalar;
+    result.y = this->y * scalar;
+    result.z = this->z * scalar;
+    result.w = this->z * scalar;
+    return result;
+}
+
+
+/* V2I32 */
+
+bool
+V2I32::operator==(V2I32 other)
+{
+    bool result = x == other.x && y == other.y;
+    return result;
+}
+
diff --git a/src/common/math.hpp b/src/common/math.hpp
new file mode 100644
index 0000000..de856e8
--- /dev/null
+++ b/src/common/math.hpp
@@ -0,0 +1,61 @@
+#pragma once
+
+
+#include <common/defs.hpp>
+
+#include <cstddef>
+#include <cstdint>
+
+
+struct V2ST {
+    size_t x;
+    size_t y;
+
+    bool operator==(V2ST &b);
+    bool operator==(const V2ST& other) const {
+        return x == other.x && y == other.y;
+    }
+};
+
+struct V2F32 {
+    float x;
+    float y;
+
+    V2F32 operator/(float scalar);
+    V2F32 operator*(float scalar);
+    V2F32 operator+(V2F32 other);
+};
+
+struct V3F32 {
+    float x;
+    float y;
+    float z;
+
+    V3F32 operator/(float scalar);
+    V3F32 operator*(float scalar);
+};
+
+struct V4F32 {
+    float x;
+    float y;
+    float z;
+    float w;
+
+    V4F32 operator/(float scalar);
+    V4F32 operator*(float scalar);
+};
+
+struct V2I32 {
+    int32_t x;
+    int32_t y;
+
+    bool operator==(V2I32 other);
+};
+
+struct Color {
+    float r;
+    float g;
+    float b;
+    float a;
+};
+
diff --git a/src/common/shapes.hpp b/src/common/shapes.hpp
new file mode 100644
index 0000000..b556b2b
--- /dev/null
+++ b/src/common/shapes.hpp
@@ -0,0 +1,16 @@
+#pragma once
+
+
+struct Rectangle {
+    float x0;
+    float y0;
+    float x1;
+    float y1;
+};
+
+struct Circle {
+    float x;
+    float y;
+    float r;
+};
+
-- 
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