From d980dcd2b66e4879989ce18291d044d5a4ffc902 Mon Sep 17 00:00:00 2001
From: talha <talha@talhaamir.xyz>
Date: Wed, 30 Aug 2023 11:04:00 +0500
Subject: setting up font-rendering repo

---
 code/game_main.h | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 code/game_main.h

(limited to 'code/game_main.h')

diff --git a/code/game_main.h b/code/game_main.h
new file mode 100644
index 0000000..91c3054
--- /dev/null
+++ b/code/game_main.h
@@ -0,0 +1,75 @@
+#ifndef GAME_MAIN_H
+#define GAME_MAIN_H
+
+#define KB(b) (((u64)1024)*(b))
+#define MB(b) (((u64)1024)*(KB(b)))
+#define GB(b) (((u64)1024)*(MB(b)))
+
+typedef struct GameInput {
+  r32 LastMouseX;
+  r32 LastMouseY;
+  r64 MouseX;
+  r64 MouseY;
+  r32 Sensitivity;
+} GameInput;
+
+typedef struct GameCamera {
+  r32 MoveSpeed;
+  r32 PitchAngle;
+  r32 YawAngle;
+  Vec3 Pos;
+  Vec3 Front;
+  Vec3 Up;
+} GameCamera;
+
+typedef struct BufferO {
+  u32 VAO; // Vertex Array Object
+  u32 VBO; // Vertex Buffer Object
+  u32 EBO; // Element Buffer Object
+  u32 TexO; // Texture Buffer Object
+} BufferO;
+
+typedef struct Texture2D {
+  i32 width;
+  i32 height;
+  i32 nrChannels;
+  unsigned char* data;
+} Texture2D;
+
+typedef struct GameMemory {
+  void *PermanentStorage;
+  u64 PermanentStorageSize;
+  DebugArena Arena;
+} GameMemory;
+
+typedef struct Rect2 {
+  Vec2 tl;
+  Vec2 br;
+} Rect2;
+
+typedef struct debug_font_details {
+  i32 advance;
+  i32 lsb;
+  i32 x0, y0, x1, y1;
+  i32 kern;
+  r32 lx;
+  r32 ly;
+  i32 byte_offset;
+  i32 baseline;
+} debug_font_details;
+
+typedef struct GameState {
+  GameCamera Camera;
+  GameInput Input;
+  GameMemory Memory;
+  Vec2 WinDimsPx;
+  Vec2 FieldDimsPx; // play field dimensions
+  // screen placement management things
+  Vec2 px_ratio;
+  Vec2 ScrMidCoords;
+  Rect2 ScreenCoords;
+  Rect2 FieldCoords;
+} GameState;
+
+
+#endif
-- 
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