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-rw-r--r--code/amr_memory.c113
-rw-r--r--code/amr_memory.h26
-rw-r--r--code/game_main.h36
-rw-r--r--code/gl_graphics.cpp46
-rw-r--r--code/gl_graphics.h29
-rw-r--r--code/math.h130
-rw-r--r--code/win32_main.cpp205
-rw-r--r--include/stb_rect_pack.h (renamed from code/stb_rect_pack.h)0
-rw-r--r--include/stb_truetype.h (renamed from code/stb_truetype.h)0
9 files changed, 308 insertions, 277 deletions
diff --git a/code/amr_memory.c b/code/amr_memory.c
new file mode 100644
index 0000000..f92f14a
--- /dev/null
+++ b/code/amr_memory.c
@@ -0,0 +1,113 @@
+#include "amr_memory.h"
+
+bool amr_IsPowerOfTwo(uintptr_t x)
+{
+ return (x & (x-1)) == 0;
+}
+
+uintptr_t amr_AlignForward(uintptr_t ptr, size_t align)
+{
+ uintptr_t p, a, modulo;
+
+ assert(amr_IsPowerOfTwo(align));
+
+ p = ptr;
+ a = (uintptr_t)align;
+ modulo = p & (a-1);
+
+ if (modulo != 0)
+ {
+ p += a - modulo;
+ }
+ return p;
+}
+
+void *amr_ArenaAllocAlign(amr_DebugArena *Alloc, size_t Size, size_t Align)
+{
+ uintptr_t CurrOffset = (uintptr_t)Alloc->Buffer + (uintptr_t)Alloc->CurrOffset;
+ uintptr_t AlignedOffset = amr_AlignForward(CurrOffset, Align);
+ AlignedOffset -= (uintptr_t)(Alloc->Buffer);
+
+ if (AlignedOffset + Size < Alloc->Size)
+ {
+ void *Ptr = &Alloc->Buffer[AlignedOffset];
+ Alloc->PrevOffset = AlignedOffset;
+ Alloc->CurrOffset = AlignedOffset + Size;
+
+ PlatformZeroMemory(Ptr, Size);
+ return Ptr;
+ }
+ return NULL;
+}
+
+void amr_ArenaInit(amr_DebugArena *Alloc, void* BackingBuffer, size_t Size)
+{
+ Alloc->Buffer = (u8 *)BackingBuffer;
+ Alloc->Size = Size;
+ Alloc->CurrOffset = 0;
+ Alloc->PrevOffset = 0;
+}
+
+void *amr_ArenaAlloc(amr_DebugArena *Alloc, size_t Size)
+{
+ return amr_ArenaAllocAlign(Alloc, Size, DEFAULT_ALIGNMENT);
+}
+
+void amr_ArenaFree(amr_DebugArena *Alloc, void *Ptr)
+{
+ // @note: Arenas do not support freeing memory
+ // this is here to let me know I have not forgotten to implement it
+ return;
+}
+
+void *amr_ArenaResizeAlign(amr_DebugArena *Alloc, void *OldMem, size_t OldSize,
+ size_t NewSize, size_t Align)
+{
+ assert(amr_IsPowerOfTwo(Align));
+ if (OldMem == NULL || OldSize == 0)
+ {
+ return amr_ArenaAllocAlign(Alloc, NewSize, Align);
+ }
+ else if (Alloc->Buffer < OldMem && OldMem < Alloc->Buffer + Alloc->Size)
+ {
+ // check if old_memory falls on prev_offset
+ if (Alloc->Buffer + Alloc->PrevOffset == OldMem)
+ {
+ // re-use prev_offset and resize from there
+ size_t _CurrOffset = Alloc->CurrOffset;
+ Alloc->CurrOffset = Alloc->PrevOffset + NewSize;
+ if (NewSize > OldSize)
+ {
+ PlatformZeroMemory(&Alloc->Buffer[_CurrOffset], NewSize - OldSize);
+ }
+ return OldMem;
+ }
+ else
+ {
+ // generate new memory
+ // will have some fragmentation
+ void *NewMem = amr_ArenaAllocAlign(Alloc, NewSize, Align);
+ size_t CopySize = OldSize < NewSize ? OldSize : NewSize;
+
+ // copy old memory to new memory location
+ PlatformCopyMemory(NewMem, OldMem, CopySize);
+ return NewMem;
+ }
+ }
+ else
+ {
+ assert(0 && "Memory is out of bounds of the buffer in this arena");
+ return NULL;
+ }
+}
+
+void *amr_ArenaResize(amr_DebugArena *Alloc, void *OldMem, size_t OldSize, size_t NewSize)
+{
+ return amr_ArenaResizeAlign(Alloc, OldMem, OldSize, NewSize, DEFAULT_ALIGNMENT);
+}
+
+void amr_ArenaFreeAll(amr_DebugArena *Alloc)
+{
+ Alloc->CurrOffset = 0;
+ Alloc->PrevOffset = 0;
+}
diff --git a/code/amr_memory.h b/code/amr_memory.h
new file mode 100644
index 0000000..f7638b3
--- /dev/null
+++ b/code/amr_memory.h
@@ -0,0 +1,26 @@
+#ifndef AMR_MEMORY_H
+#define AMR_MEMORY_H
+
+#ifndef DEFAULT_ALIGNMENT
+#define DEFAULT_ALIGNMENT (2*sizeof(void *))
+#endif
+
+typedef struct amr_DebugArena {
+ u8 *Buffer;
+ size_t Size;
+ size_t CurrOffset;
+ size_t PrevOffset;
+} amr_DebugArena;
+
+bool amr_IsPowerOfTwo(uintptr_t x);
+uintptr_t amr_AlignForward(uintptr_t ptr, size_t align);
+void *amr_ArenaAllocAlign(amr_DebugArena *Alloc, size_t Size, size_t Align);
+void amr_ArenaInit(amr_DebugArena *Alloc, void* BackingBuffer, size_t Size);
+void *amr_ArenaAlloc(amr_DebugArena *Alloc, size_t Size);
+void amr_ArenaFree(amr_DebugArena *Alloc, void *Ptr);
+void *amr_ArenaResizeAlign(amr_DebugArena *Alloc, void *OldMem, size_t OldSize,
+ size_t NewSize, size_t Align);
+void *amr_ArenaResize(amr_DebugArena *Alloc, void *OldMem, size_t OldSize, size_t NewSize);
+void amr_ArenaFreeAll(amr_DebugArena *Alloc);
+
+#endif
diff --git a/code/game_main.h b/code/game_main.h
index 91c3054..2194e27 100644
--- a/code/game_main.h
+++ b/code/game_main.h
@@ -6,40 +6,26 @@
#define GB(b) (((u64)1024)*(MB(b)))
typedef struct GameInput {
- r32 LastMouseX;
- r32 LastMouseY;
- r64 MouseX;
- r64 MouseY;
- r32 Sensitivity;
+ f32 LastMouseX;
+ f32 LastMouseY;
+ f64 MouseX;
+ f64 MouseY;
+ f32 Sensitivity;
} GameInput;
typedef struct GameCamera {
- r32 MoveSpeed;
- r32 PitchAngle;
- r32 YawAngle;
+ f32 MoveSpeed;
+ f32 PitchAngle;
+ f32 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;
+ amr_DebugArena Arena;
} GameMemory;
typedef struct Rect2 {
@@ -52,8 +38,8 @@ typedef struct debug_font_details {
i32 lsb;
i32 x0, y0, x1, y1;
i32 kern;
- r32 lx;
- r32 ly;
+ f32 lx;
+ f32 ly;
i32 byte_offset;
i32 baseline;
} debug_font_details;
diff --git a/code/gl_graphics.cpp b/code/gl_graphics.cpp
index 91730ec..0c2aa62 100644
--- a/code/gl_graphics.cpp
+++ b/code/gl_graphics.cpp
@@ -9,7 +9,7 @@ void LoadUniformInt(u32 SP, const char *Uniform, i32 Val)
glUniform1i(glGetUniformLocation(SP, Uniform), Val);
}
-void LoadUniformFloat(u32 SP, const char *Uniform, r32 Val)
+void LoadUniformFloat(u32 SP, const char *Uniform, f32 Val)
{
glUniform1f(glGetUniformLocation(SP, Uniform), Val);
}
@@ -19,7 +19,7 @@ void LoadUniformVec3(u32 SP, const char *Uniform, Vec3 Val)
glUniform3f(glGetUniformLocation(SP, Uniform), Val.x, Val.y, Val.z);
}
-void LoadUniformMat4(u32 SP, const char *Uniform, const r32 *Val)
+void LoadUniformMat4(u32 SP, const char *Uniform, const f32 *Val)
{
glUniformMatrix4fv(glGetUniformLocation(SP, Uniform), 1, GL_TRUE, Val);
}
@@ -94,7 +94,7 @@ u32 CreateShaderProgram(unsigned int VertexShader, unsigned int FragmentShader)
// ---------------------------------------------------------------------------
-u32 CreateTriangle(r32 vertices[], i32 sz)
+u32 CreateTriangle(f32 vertices[], i32 sz)
{
u32 VAO;
glGenVertexArrays(1, &VAO);
@@ -107,11 +107,11 @@ u32 CreateTriangle(r32 vertices[], i32 sz)
glBufferData(GL_ARRAY_BUFFER, sz, vertices, GL_STATIC_DRAW);
// position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(r32), (void*)0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(f32), (void*)0);
glEnableVertexAttribArray(0);
// color attribute
- glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(r32), (void*)(3*sizeof(r32)));
+ glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(f32), (void*)(3*sizeof(f32)));
glEnableVertexAttribArray(1);
// unbind post setup
@@ -127,7 +127,7 @@ void DrawTriangle(u32 VAO)
glBindVertexArray(0);
}
-u32 CreateRectangle(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz)
+u32 CreateRectangle(f32 vertices[], i32 v_sz, u32 indices[], i32 i_sz)
{
u32 VAO;
glGenVertexArrays(1, &VAO);
@@ -145,11 +145,11 @@ u32 CreateRectangle(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, i_sz, indices, GL_STATIC_DRAW);
// position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(r32), (void*)0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(f32), (void*)0);
glEnableVertexAttribArray(0);
// color attribute
- glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(r32), (void*)(3*sizeof(float)));
+ glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(f32), (void*)(3*sizeof(float)));
glEnableVertexAttribArray(1);
// unbind post setup
@@ -159,7 +159,7 @@ u32 CreateRectangle(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz)
}
-BufferO CreateRectangleTextured(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr)
+BufferO CreateRectangleTextured(f32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr)
{
/*
* This will setup options and buffer objects to create a rectangle based on a texture
@@ -197,13 +197,13 @@ BufferO CreateRectangleTextured(r32 vertices[], i32 v_sz, u32 indices[], i32 i_s
u8 attr_pos = 1;
// position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride*sizeof(r32), (void*)0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride*sizeof(f32), (void*)0);
glEnableVertexAttribArray(0);
if (attr & ATTR_COLOR)
{
// color attribute
- glVertexAttribPointer(attr_pos, 3, GL_FLOAT, GL_FALSE, stride*sizeof(r32), (void*)(color_offset*sizeof(r32)));
+ glVertexAttribPointer(attr_pos, 3, GL_FLOAT, GL_FALSE, stride*sizeof(f32), (void*)(color_offset*sizeof(f32)));
glEnableVertexAttribArray(attr_pos);
attr_pos += 1;
}
@@ -211,7 +211,7 @@ BufferO CreateRectangleTextured(r32 vertices[], i32 v_sz, u32 indices[], i32 i_s
if (attr & ATTR_TEX)
{
// texture attribute
- glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, stride*sizeof(r32), (void*)(tex_offset*sizeof(r32)));
+ glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, stride*sizeof(f32), (void*)(tex_offset*sizeof(f32)));
glEnableVertexAttribArray(attr_pos);
}
@@ -226,7 +226,7 @@ BufferO CreateRectangleTextured(r32 vertices[], i32 v_sz, u32 indices[], i32 i_s
return BO;
}
-void MakeRectangleTextured(BufferO *bo, r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr)
+void MakeRectangleTextured(BufferO *bo, f32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr)
{
/*
* This will setup options and buffer objects to create a rectangle based on a texture
@@ -260,13 +260,13 @@ void MakeRectangleTextured(BufferO *bo, r32 vertices[], i32 v_sz, u32 indices[],
u8 attr_pos = 1;
// position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride*sizeof(r32), (void*)0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride*sizeof(f32), (void*)0);
glEnableVertexAttribArray(0);
if (attr & ATTR_COLOR)
{
// color attribute
- glVertexAttribPointer(attr_pos, 3, GL_FLOAT, GL_FALSE, stride*sizeof(r32), (void*)(color_offset*sizeof(r32)));
+ glVertexAttribPointer(attr_pos, 3, GL_FLOAT, GL_FALSE, stride*sizeof(f32), (void*)(color_offset*sizeof(f32)));
glEnableVertexAttribArray(attr_pos);
attr_pos += 1;
}
@@ -274,7 +274,7 @@ void MakeRectangleTextured(BufferO *bo, r32 vertices[], i32 v_sz, u32 indices[],
if (attr & ATTR_TEX)
{
// texture attribute
- glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, stride*sizeof(r32), (void*)(tex_offset*sizeof(r32)));
+ glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, stride*sizeof(f32), (void*)(tex_offset*sizeof(f32)));
glEnableVertexAttribArray(attr_pos);
}
@@ -298,7 +298,7 @@ void DrawRectangleTextured(u32 VAO, u32 TexO)
glBindTexture(GL_TEXTURE_2D, 0);
}
-BufferO CreateCube(r32 vertices[], i32 v_sz)
+BufferO CreateCube(f32 vertices[], i32 v_sz)
{
u32 VAO;
glGenVertexArrays(1, &VAO);
@@ -311,11 +311,11 @@ BufferO CreateCube(r32 vertices[], i32 v_sz)
glBufferData(GL_ARRAY_BUFFER, v_sz, vertices, GL_STATIC_DRAW);
// position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(r32), (void*)0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(f32), (void*)0);
glEnableVertexAttribArray(0);
// normal attribute
- glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(r32), (void*)(3*sizeof(r32)));
+ glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(f32), (void*)(3*sizeof(f32)));
glEnableVertexAttribArray(1);
// unbind post setup
@@ -328,7 +328,7 @@ BufferO CreateCube(r32 vertices[], i32 v_sz)
return BO;
}
-BufferO CreateCubeTextured(r32 vertices[], i32 v_sz)
+BufferO CreateCubeTextured(f32 vertices[], i32 v_sz)
{
/*
* This will setup options and buffer objects to create a rectangle based on a texture
@@ -345,15 +345,15 @@ BufferO CreateCubeTextured(r32 vertices[], i32 v_sz)
glBufferData(GL_ARRAY_BUFFER, v_sz, vertices, GL_STATIC_DRAW);
// position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8*sizeof(r32), (void*)0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8*sizeof(f32), (void*)0);
glEnableVertexAttribArray(0);
// normal attribute
- glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8*sizeof(r32), (void*)(3*sizeof(r32)));
+ glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8*sizeof(f32), (void*)(3*sizeof(f32)));
glEnableVertexAttribArray(1);
// texture attribute
- glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8*sizeof(r32), (void*)(6*sizeof(r32)));
+ glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8*sizeof(f32), (void*)(6*sizeof(f32)));
glEnableVertexAttribArray(2);
// unbind post setup
diff --git a/code/gl_graphics.h b/code/gl_graphics.h
index d97d062..4f52035 100644
--- a/code/gl_graphics.h
+++ b/code/gl_graphics.h
@@ -1,18 +1,33 @@
#ifndef GL_GRAPHICS_H
#define GL_GRAPHICS_H
+typedef struct BufferO {
+ u32 VAO; // Vertex Array Object
+ u32 VBO; // Vertex Buffer Object
+ u32 EBO; // Element Buffer Object
+ u32 TexO; // Texture Buffer Object
+ u32 *TexArray; // Tex Object Array
+} BufferO;
+
+typedef struct Texture2D {
+ i32 width;
+ i32 height;
+ i32 nrChannels;
+ unsigned char* data;
+} Texture2D;
+
void LoadUniformInt(u32 SP, const char *Unifrom, i32 Val);
-void LoadUniformFloat(u32 SP, const char *Uniform, r32 Val);
+void LoadUniformFloat(u32 SP, const char *Uniform, f32 Val);
void LoadUniformVec3(u32 SP, const char *Unifrom, Vec3 Val);
void LoadUniformMat4(u32 SP, const char *Uniform, Mat4 Val);
u32 CreateVertexShader(const char *VertexShaderSource);
u32 CreateFragmentShader(const char *FragmentShaderSource);
u32 CreateShaderProgram(unsigned int VertexShader, unsigned int FragmentShader);
-u32 CreateTriangle(r32 vertices[], i32 sz);
+u32 CreateTriangle(f32 vertices[], i32 sz);
void DrawTriangle(u32 VAO);
-u32 CreateRectangle(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz);
+u32 CreateRectangle(f32 vertices[], i32 v_sz, u32 indices[], i32 i_sz);
/**
* @note: the texture functions for rectangle are more obtuse and less clear
* they don't make as much sense. And they dont just create something.
@@ -21,13 +36,13 @@ u32 CreateRectangle(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz);
*
* @todo: I need to probably add the examples to my utils file as notes
* */
-BufferO CreateRectangleTextured(r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr);
-void MakeRectangleTextured(BufferO *bo, r32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr);
+BufferO CreateRectangleTextured(f32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr);
+void MakeRectangleTextured(BufferO *bo, f32 vertices[], i32 v_sz, u32 indices[], i32 i_sz, u32 attr);
void DrawRectangle(u32 VAO);
void DrawRectangleTextured(u32 VAO, u32 TexO);
-BufferO CreateCube(r32 vertices[], i32 v_sz);
-BufferO CreateCubeTextured(r32 vertices[], i32 v_sz);
+BufferO CreateCube(f32 vertices[], i32 v_sz);
+BufferO CreateCubeTextured(f32 vertices[], i32 v_sz);
void DrawCube(u32 VAO);
GLint GetColorAttrib(u32 nrChannels);
diff --git a/code/math.h b/code/math.h
index 7a64285..ca5e96e 100644
--- a/code/math.h
+++ b/code/math.h
@@ -12,8 +12,8 @@
#define PIVOT_Z 2
typedef struct Vec2 {
- r32 x;
- r32 y;
+ f32 x;
+ f32 y;
Vec2 operator-(Vec2 S)
{
@@ -39,7 +39,7 @@ typedef struct Vec2 {
return R;
}
- Vec2 operator/(r32 s)
+ Vec2 operator/(f32 s)
{
Vec2 R = {0};
R.x = x/2;
@@ -57,9 +57,9 @@ typedef struct Vec2 {
} Vec2;
typedef struct Vec3 {
- r32 x;
- r32 y;
- r32 z;
+ f32 x;
+ f32 y;
+ f32 z;
Vec3 operator+(Vec3 S)
{
@@ -70,7 +70,7 @@ typedef struct Vec3 {
return R;
}
- Vec3 operator+(r32 S)
+ Vec3 operator+(f32 S)
{
Vec3 R = {0};
R.x = x + S;
@@ -79,7 +79,7 @@ typedef struct Vec3 {
return R;
}
- Vec3 operator*(r32 S)
+ Vec3 operator*(f32 S)
{
Vec3 R;
R.x = x * S;
@@ -89,7 +89,7 @@ typedef struct Vec3 {
return R;
}
- Vec3 operator/(r32 S)
+ Vec3 operator/(f32 S)
{
Vec3 R;
R.x = x / S;
@@ -101,68 +101,68 @@ typedef struct Vec3 {
} Vec3;
typedef struct Vec4 {
- r32 x;
- r32 y;
- r32 z;
- r32 w;
+ f32 x;
+ f32 y;
+ f32 z;
+ f32 w;
} Vec4;
typedef struct Mat4 {
- r32 x0, x1, x2, x3;
- r32 y0, y1, y2, y3;
- r32 z0, z1, z2, z3;
- r32 w0, w1, w2, w3;
+ f32 x0, x1, x2, x3;
+ f32 y0, y1, y2, y3;
+ f32 z0, z1, z2, z3;
+ f32 w0, w1, w2, w3;
} Mat4;
-Vec3 InitVec3(r32 Val);
-Vec3 InitVec3(r32 x, r32 y, r32 z);
-r32 LenVec3(Vec3 V);
+Vec3 InitVec3(f32 Val);
+Vec3 InitVec3(f32 x, f32 y, f32 z);
+f32 LenVec3(Vec3 V);
Vec3 UnitVec3(Vec3 V);
-r32 DotProductVec3(Vec3 S, Vec3 K);
+f32 DotProductVec3(Vec3 S, Vec3 K);
Vec3 CrossProductVec3(Vec3 S, Vec3 K);
-Vec4 InitVec4(r32 x, r32 y, r32 z, r32 w);
-Vec4 ScalerAdd4(Vec4 Vec, r32 Scaler);
-Vec4 ScalerMul4(Vec4 Vec, r32 Scaler);
-Vec4 ScalerDiv4(Vec4 Vec, r32 Scaler);
+Vec4 InitVec4(f32 x, f32 y, f32 z, f32 w);
+Vec4 ScalerAdd4(Vec4 Vec, f32 Scaler);
+Vec4 ScalerMul4(Vec4 Vec, f32 Scaler);
+Vec4 ScalerDiv4(Vec4 Vec, f32 Scaler);
Vec4 AddVec4(Vec4 V, Vec4 K);
-r32 LenVec4(Vec4 V);
+f32 LenVec4(Vec4 V);
Vec4 UnitVec4(Vec4 V);
-r32 DotProductVec4(Vec4 S, Vec4 K);
+f32 DotProductVec4(Vec4 S, Vec4 K);
Vec4 Mul_Mat4Vec4(Mat4 Matrix, Vec4 S);
Mat4 IdentityMat();
Mat4 Mul_Mat4Mat4(Mat4 M1, Mat4 M2);
Mat4 CreateTranslationMat(Vec4 S);
Mat4 CreateScaleMat(Vec4 S);
-Mat4 CreateRotationMat(r32 Theta, u8 Pivot);
-Mat4 CreateFrustum(r32 left, r32 right, r32 bot, r32 top, r32 nearCam, r32 farCam);
-Mat4 CreatePerspectiveUsingFrustum(r32 fov, r32 aspect, r32 nearCam, r32 farCam);
-Mat4 CreateOrthographic(r32 left, r32 right, r32 bot, r32 top, r32 nearCam, r32 farCam);
-Mat4 CreateOrthographicWithRatio(r32 scrWidth, r32 scrHeight, r32 nearCam, r32 farCam);
+Mat4 CreateRotationMat(f32 Theta, u8 Pivot);
+Mat4 CreateFrustum(f32 left, f32 right, f32 bot, f32 top, f32 nearCam, f32 farCam);
+Mat4 CreatePerspectiveUsingFrustum(f32 fov, f32 aspect, f32 nearCam, f32 farCam);
+Mat4 CreateOrthographic(f32 left, f32 right, f32 bot, f32 top, f32 nearCam, f32 farCam);
+Mat4 CreateOrthographicWithRatio(f32 scrWidth, f32 scrHeight, f32 nearCam, f32 farCam);
Mat4 CreateLookAtMat4(Vec3 CameraPos, Vec3 CameraTarget, Vec3 Up);
-Vec3 InitVec3(r32 val)
+Vec3 InitVec3(f32 val)
{
Vec3 R = Vec3{val,val,val};
return R;
}
-Vec3 InitVec3(r32 x, r32 y, r32 z)
+Vec3 InitVec3(f32 x, f32 y, f32 z)
{
Vec3 R = Vec3{x,y,z};
return R;
}
-r32 LenVec3(Vec3 V)
+f32 LenVec3(Vec3 V)
{
- r32 L = Sqrt(Sq(V.x) + Sq(V.y) + Sq(V.z));
+ f32 L = Sqrt(Sq(V.x) + Sq(V.y) + Sq(V.z));
return L;
}
Vec3 UnitVec3(Vec3 V)
{
Vec3 R;
- r32 L = LenVec3(V);
+ f32 L = LenVec3(V);
R.x = V.x/L;
R.y = V.y/L;
R.z = V.z/L;
@@ -170,14 +170,14 @@ Vec3 UnitVec3(Vec3 V)
return R;
}
-r32 DotProductVec3(Vec3 S, Vec3 K)
+f32 DotProductVec3(Vec3 S, Vec3 K)
{
Vec3 R;
R.x = S.x*K.x;
R.y = S.y*K.y;
R.z = S.z*K.z;
- r32 DotProd = R.x + R.y + R.z;
+ f32 DotProd = R.x + R.y + R.z;
return DotProd;
}
@@ -194,7 +194,7 @@ Vec3 CrossProductVec3(Vec3 S, Vec3 K)
// @note: I am creating vectors in many places so created a function to make initialising abit easier
-Vec4 InitVec4(r32 x, r32 y, r32 z, r32 w)
+Vec4 InitVec4(f32 x, f32 y, f32 z, f32 w)
{
Vec4 V = {0};
V.x = x;
@@ -206,7 +206,7 @@ Vec4 InitVec4(r32 x, r32 y, r32 z, r32 w)
}
-Vec4 ScalerAdd4(Vec4 Vec, r32 Scaler)
+Vec4 ScalerAdd4(Vec4 Vec, f32 Scaler)
{
Vec.x += Scaler;
Vec.y += Scaler;
@@ -216,7 +216,7 @@ Vec4 ScalerAdd4(Vec4 Vec, r32 Scaler)
return Vec;
}
-Vec4 ScalerMul4(Vec4 Vec, r32 Scaler)
+Vec4 ScalerMul4(Vec4 Vec, f32 Scaler)
{
Vec.x *= Scaler;
Vec.y *= Scaler;
@@ -226,7 +226,7 @@ Vec4 ScalerMul4(Vec4 Vec, r32 Scaler)
return Vec;
}
-Vec4 ScalerDiv4(Vec4 Vec, r32 Scaler)
+Vec4 ScalerDiv4(Vec4 Vec, f32 Scaler)
{
Vec.x = Vec.x/Scaler;
Vec.y = Vec.y/Scaler;
@@ -247,16 +247,16 @@ Vec4 AddVec4(Vec4 V, Vec4 K)
return Res;
}
-r32 LenVec4(Vec4 V)
+f32 LenVec4(Vec4 V)
{
- r32 L = Sqrt(Sq(V.x) + Sq(V.y) + Sq(V.z) +Sq(V.w));
+ f32 L = Sqrt(Sq(V.x) + Sq(V.y) + Sq(V.z) +Sq(V.w));
return L;
}
Vec4 UnitVec4(Vec4 V)
{
Vec4 R = {0};
- r32 L = LenVec4(V);
+ f32 L = LenVec4(V);
R.x = V.x/L;
R.y = V.y/L;
R.z = V.z/L;
@@ -265,7 +265,7 @@ Vec4 UnitVec4(Vec4 V)
return R;
}
-r32 DotProductVec4(Vec4 S, Vec4 K)
+f32 DotProductVec4(Vec4 S, Vec4 K)
{
Vec4 R = {0};
R.x = S.x*K.x;
@@ -273,7 +273,7 @@ r32 DotProductVec4(Vec4 S, Vec4 K)
R.z = S.z*K.z;
R.w = S.w*K.w;
- r32 DotProd = R.x + R.y + R.z + R.w;
+ f32 DotProd = R.x + R.y + R.z + R.w;
return DotProd;
}
@@ -352,10 +352,10 @@ Mat4 CreateScaleMat(Vec4 S)
return SM;
}
-Mat4 CreateRotationMat(r32 Theta, u8 Pivot)
+Mat4 CreateRotationMat(f32 Theta, u8 Pivot)
{
- r32 CosTheta = cos(Theta);
- r32 SinTheta = sin(Theta);
+ f32 CosTheta = cos(Theta);
+ f32 SinTheta = sin(Theta);
Mat4 RotMat = {0};
if (Pivot == PIVOT_X)
@@ -383,7 +383,7 @@ Mat4 CreateRotationMat(r32 Theta, u8 Pivot)
return RotMat;
}
-Mat4 CreateFrustum(r32 left, r32 right, r32 bot, r32 top, r32 nearCam, r32 farCam)
+Mat4 CreateFrustum(f32 left, f32 right, f32 bot, f32 top, f32 nearCam, f32 farCam)
{
Mat4 F = {0};
F.x0 = 2.0f*nearCam/(right - left);
@@ -398,17 +398,17 @@ Mat4 CreateFrustum(r32 left, r32 right, r32 bot, r32 top, r32 nearCam, r32 farCa
return F;
}
-Mat4 CreatePerspectiveUsingFrustum(r32 fov, r32 aspect, r32 nearCam, r32 farCam)
+Mat4 CreatePerspectiveUsingFrustum(f32 fov, f32 aspect, f32 nearCam, f32 farCam)
{
- r32 top = nearCam*tan(fov)/2;
- r32 bot = -top;
- r32 right = top*aspect;
- r32 left = -right;
+ f32 top = nearCam*tan(fov)/2;
+ f32 bot = -top;
+ f32 right = top*aspect;
+ f32 left = -right;
return CreateFrustum(left, right, bot, top, nearCam, farCam);
}
-Mat4 CreateOrthographic(r32 left, r32 right, r32 bot, r32 top, r32 nearCam, r32 farCam)
+Mat4 CreateOrthographic(f32 left, f32 right, f32 bot, f32 top, f32 nearCam, f32 farCam)
{
Mat4 F = {0};
F.x0 = 2.0f/(right - left);
@@ -425,15 +425,15 @@ Mat4 CreateOrthographic(r32 left, r32 right, r32 bot, r32 top, r32 nearCam, r32
return F;
}
-Mat4 CreateOrthographicWithRatio(r32 scrWidth, r32 scrHeight, r32 nearCam, r32 farCam)
+Mat4 CreateOrthographicWithRatio(f32 scrWidth, f32 scrHeight, f32 nearCam, f32 farCam)
{
- r32 ratio_h = scrWidth/scrHeight;
- r32 left = -ratio_h;
- r32 right = ratio_h;
+ f32 ratio_h = scrWidth/scrHeight;
+ f32 left = -ratio_h;
+ f32 right = ratio_h;
- r32 ratio_v = scrHeight/scrWidth;
- r32 top = ratio_v;
- r32 bot = -ratio_v;
+ f32 ratio_v = scrHeight/scrWidth;
+ f32 top = ratio_v;
+ f32 bot = -ratio_v;
return CreateOrthographic(left, right, bot, top, nearCam, farCam);
}
diff --git a/code/win32_main.cpp b/code/win32_main.cpp
index 4ea173d..208e85a 100644
--- a/code/win32_main.cpp
+++ b/code/win32_main.cpp
@@ -23,8 +23,8 @@ typedef u8 b8;
typedef u16 b16;
typedef u32 b32;
-typedef float r32;
-typedef double r64;
+typedef float f32;
+typedef double f64;
#include "math.h"
@@ -33,11 +33,10 @@ typedef double r64;
#define internal static
/**
- * Text rendering todos:
+ * Font rendering todos:
* - Look into font-packing, what is that? why is it needed?
* - Look into generating a single bitmap and then extracting characters from the
* bitmap as needed
- * - Same thing as what I do now, but not using all the bitmaps
* - SDF font rendering
* */
internal i64 GlobalPerfCountFrequency;
@@ -67,6 +66,16 @@ i8 PlatformDebugReadFile(char *FileName, void *FileBuffer, u32 MaxSize, LPDWORD
}
}
+void PlatformCopyMemory(void *NewMem, void *OldMem, size_t CopySize)
+{
+ CopyMemory(NewMem, OldMem, CopySize);
+}
+
+void PlatformZeroMemory(void *Ptr, size_t Size)
+{
+ ZeroMemory(Ptr, Size);
+}
+
void framebuffer_size_callback(GLFWwindow *window, i32 width, i32 height)
{
glViewport(0, 0, width, height);
@@ -81,143 +90,24 @@ Win32GetWallClock(void)
return Result;
}
-inline r32
+inline f32
Win32GetSecondsElapsed(LARGE_INTEGER Start, LARGE_INTEGER End)
{
- r32 Result = (r32)(End.QuadPart - Start.QuadPart)/(r32)GlobalPerfCountFrequency;
+ f32 Result = (f32)(End.QuadPart - Start.QuadPart)/(f32)GlobalPerfCountFrequency;
return(Result);
}
-#ifndef DEFAULT_ALIGNMENT
-#define DEFAULT_ALIGNMENT (2*sizeof(void *))
-#endif
-
-typedef struct DebugArena {
- u8 *Buffer;
- size_t Size;
- size_t CurrOffset;
- size_t PrevOffset;
-} DebugArena;
-
-bool IsPowerOfTwo(uintptr_t x)
-{
- return (x & (x-1)) == 0;
-}
-
-uintptr_t AlignForward(uintptr_t ptr, size_t align)
-{
- uintptr_t p, a, modulo;
-
- assert(IsPowerOfTwo(align));
- p = ptr;
- a = (uintptr_t)align;
- modulo = p & (a-1);
-
- if (modulo != 0)
- {
- p += a - modulo;
- }
- return p;
-}
-
-void *ArenaAllocAlign(DebugArena *Alloc, size_t Size, size_t Align)
-{
- uintptr_t CurrOffset = (uintptr_t)Alloc->Buffer + (uintptr_t)Alloc->CurrOffset;
- uintptr_t AlignedOffset = AlignForward(CurrOffset, Align);
- AlignedOffset -= (uintptr_t)(Alloc->Buffer);
-
- if (AlignedOffset + Size < Alloc->Size)
- {
- void *Ptr = &Alloc->Buffer[AlignedOffset];
- Alloc->PrevOffset = AlignedOffset;
- Alloc->CurrOffset = AlignedOffset + Size;
-
- ZeroMemory(Ptr, Size);
- return Ptr;
- }
- return NULL;
-}
-
-void ArenaInit(DebugArena *Alloc, void* BackingBuffer, size_t Size)
-{
- Alloc->Buffer = (u8 *)BackingBuffer;
- Alloc->Size = Size;
- Alloc->CurrOffset = 0;
- Alloc->PrevOffset = 0;
-}
-
-void *ArenaAlloc(DebugArena *Alloc, size_t Size)
-{
- return ArenaAllocAlign(Alloc, Size, DEFAULT_ALIGNMENT);
-}
-
-void ArenaFree(DebugArena *Alloc, void *Ptr)
-{
- // do nothing
-}
-
-void *ArenaResizeAlign(DebugArena *Alloc, void *OldMem, size_t OldSize,
- size_t NewSize, size_t Align)
-{
- assert(IsPowerOfTwo(Align));
- if (OldMem == NULL || OldSize == 0)
- {
- return ArenaAllocAlign(Alloc, NewSize, Align);
- }
- else if (Alloc->Buffer < OldMem && OldMem < Alloc->Buffer + Alloc->Size)
- {
- // check if old_memory falls on prev_offset
- if (Alloc->Buffer + Alloc->PrevOffset == OldMem)
- {
- // re-use prev_offset and resize from there
- size_t _CurrOffset = Alloc->CurrOffset;
- Alloc->CurrOffset = Alloc->PrevOffset + NewSize;
- if (NewSize > OldSize)
- {
- ZeroMemory(&Alloc->Buffer[_CurrOffset], NewSize - OldSize);
- }
- return OldMem;
- }
- else
- {
- // generate new memory
- // will have some fragmentation
- void *NewMem = ArenaAllocAlign(Alloc, NewSize, Align);
- size_t CopySize = OldSize < NewSize ? OldSize : NewSize;
-
- // copy old memory to new memory location
- CopyMemory(NewMem, OldMem, CopySize);
- return NewMem;
- }
- }
- else
- {
- assert(0 && "Memory is out of bounds of the buffer in this arena");
- return NULL;
- }
-}
-
-void *ArenaResize(DebugArena *Alloc, void *OldMem, size_t OldSize, size_t NewSize)
-{
- return ArenaResizeAlign(Alloc, OldMem, OldSize, NewSize, DEFAULT_ALIGNMENT);
-}
-
-void ArenaFreeAll(DebugArena *Alloc)
-{
- Alloc->CurrOffset = 0;
- Alloc->PrevOffset = 0;
-}
-
-#include "game_main.h"
+#include "amr_memory.c"
#include "gl_graphics.cpp"
+#include "game_main.h"
-typedef struct glyph_info {
+typedef struct amr_glyph_info {
u32 charset_start_index;
u32 charset_end_index;
-} glyph_info;
+} amr_glyph_info;
-u32 GetGlyphIdFromCodepoint(glyph_info glyph, u32 *GlyphIndexArray, u32 Codepoint)
+u32 amr_GetGlyphIdFromCodepoint(amr_glyph_info glyph, u32 *GlyphIndexArray, u32 Codepoint)
{
u32 glyph_id = *(GlyphIndexArray + (Codepoint - glyph.charset_start_index));
return glyph_id;
@@ -238,7 +128,7 @@ int main()
// TODO(talha): how to use a library to query this
i32 MonitorRefreshHz = 60;
i32 GameUpdateHz = MonitorRefreshHz;
- r32 TargetSecondsPerFrame = 1.0f / (r32)GameUpdateHz;
+ f32 TargetSecondsPerFrame = 1.0f / (f32)GameUpdateHz;
GameState State = {0};
State.Input.LastMouseX = WIN_WIDTH/2.0f;
@@ -288,19 +178,19 @@ int main()
State.Memory.PermanentStorage = PermanentStorage;
State.Memory.PermanentStorageSize = PermanentStorageSize;
- ArenaInit(&State.Memory.Arena, State.Memory.PermanentStorage, State.Memory.PermanentStorageSize);
+ amr_ArenaInit(&State.Memory.Arena, State.Memory.PermanentStorage, State.Memory.PermanentStorageSize);
// ======================= SHADER PROGRAM LOADING ========
DWORD BytesRead = 0;
u32 max_fsz = MB((u64)5);
- u8 *vs_file = (u8 *)ArenaAlloc(&State.Memory.Arena, max_fsz);
+ u8 *vs_file = (u8 *)amr_ArenaAlloc(&State.Memory.Arena, max_fsz);
if (PlatformDebugReadFile("./code/shaders/text.vs.glsl", vs_file, max_fsz, &BytesRead) != 1)
{
printf("ERROR: failed to open text vertex shader");
return -1;
}
- u8 *fs_file = (u8 *)ArenaAlloc(&State.Memory.Arena, max_fsz);
+ u8 *fs_file = (u8 *)amr_ArenaAlloc(&State.Memory.Arena, max_fsz);
if (PlatformDebugReadFile("./code/shaders/text.fs.glsl", fs_file, max_fsz, &BytesRead) != 1)
{
printf("ERROR: failed to open text vertex shader");
@@ -311,11 +201,11 @@ int main()
u32 fs = CreateFragmentShader((char *)fs_file);
u32 sp = CreateShaderProgram(vs, fs);
- ArenaFreeAll(&State.Memory.Arena);
+ amr_ArenaFreeAll(&State.Memory.Arena);
// =================== FONT RENDERING ===================
u32 font_fz = MB(2);
- u8 *ArialBuffer = (u8 *)ArenaAlloc(&State.Memory.Arena, font_fz);
+ u8 *ArialBuffer = (u8 *)amr_ArenaAlloc(&State.Memory.Arena, font_fz);
// @todo: change to PlatformDebugFileRead
fread(ArialBuffer, 1, font_fz, fopen("c:/windows/fonts/arial.ttf", "rb"));
@@ -328,16 +218,16 @@ int main()
}
// get a SF (scale factor)
- r32 SF = stbtt_ScaleForPixelHeight(&font_info, 32.0f);
+ f32 SF = stbtt_ScaleForPixelHeight(&font_info, 32.0f);
// get vertical metrics
i32 f_ascent, f_descent, f_line_gap;
stbtt_GetFontVMetrics(&font_info, &f_ascent, &f_descent, &f_line_gap);
// ========================= GLYPH AND FONT INFO STORAGE ================
- glyph_info latin_basic = {32, 126};
+ amr_glyph_info latin_basic = {32, 126};
u32 glyph_count = latin_basic.charset_end_index - latin_basic.charset_start_index;
- u32 *GlyphIndexArray = (u32 *)ArenaAlloc(&State.Memory.Arena, sizeof(glyph_count) * glyph_count);
+ u32 *GlyphIndexArray = (u32 *)amr_ArenaAlloc(&State.Memory.Arena, sizeof(glyph_count) * glyph_count);
u32 *glyph_array_iter = GlyphIndexArray;
for (u32 i = 0; i < glyph_count; i++)
{
@@ -350,10 +240,10 @@ int main()
u32 fd_sz = sizeof(debug_font_details)*char_sz;
- debug_font_details *fd_arr = (debug_font_details *)ArenaAlloc(&State.Memory.Arena, fd_sz);
+ debug_font_details *fd_arr = (debug_font_details *)amr_ArenaAlloc(&State.Memory.Arena, fd_sz);
debug_font_details *_fi = fd_arr;
- r32 lx = 0.0f, max_lx = 0.0f;
+ f32 lx = 0.0f, max_lx = 0.0f;
i32 baseline = (i32)roundf(f_ascent * SF);
// convert str to font
for (i32 i = 0; i < char_sz; ++i)
@@ -370,18 +260,19 @@ int main()
continue;
}
- stbtt_GetGlyphHMetrics(&font_info, GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]), &_fi->advance, &_fi->lsb);
- stbtt_GetGlyphBitmapBox(&font_info, GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]), SF, SF, &_fi->x0, &_fi->y0, &_fi->x1, &_fi->y1);
+ stbtt_GetGlyphHMetrics(&font_info, amr_GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]), &_fi->advance, &_fi->lsb);
+ stbtt_GetGlyphBitmapBox(&font_info, amr_GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]), SF, SF, &_fi->x0, &_fi->y0, &_fi->x1, &_fi->y1);
- _fi->ly = (r32)(_fi->baseline + _fi->y0);
+ _fi->ly = (f32)(_fi->baseline + _fi->y0);
lx += (_fi->advance * SF);
i32 kern;
if (i < char_sz - 1 && text[i+1] != '\n')
{
- kern = stbtt_GetGlyphKernAdvance(&font_info, GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]), GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]));
+ kern = stbtt_GetGlyphKernAdvance(&font_info, amr_GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]), amr_GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i+1]));
lx += roundf(kern * SF);
}
+
if (lx > max_lx)
{
max_lx = lx;
@@ -395,7 +286,7 @@ int main()
u32 bitmap_height_from_text_info = (u32)(baseline - roundf(SF * f_descent));
i32 bmp_sz = sizeof(u8)*bitmap_width_from_text_info*bitmap_height_from_text_info;
- u8 *Bitmap = (u8 *)ArenaAlloc(&State.Memory.Arena, bmp_sz);
+ u8 *Bitmap = (u8 *)amr_ArenaAlloc(&State.Memory.Arena, bmp_sz);
_fi = fd_arr;
for (int i=0; i<char_sz; i++)
@@ -406,14 +297,14 @@ int main()
}
_fi->byte_offset = (i32)(_fi->lx + roundf(_fi->lsb * SF) + (_fi->ly * bitmap_width_from_text_info)) ;
// store image data in bitmap
- stbtt_MakeGlyphBitmap(&font_info, Bitmap + _fi->byte_offset, _fi->x1 - _fi->x0, _fi->y1 - _fi->y0, bitmap_width_from_text_info, SF, SF, GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]));
+ stbtt_MakeGlyphBitmap(&font_info, Bitmap + _fi->byte_offset, _fi->x1 - _fi->x0, _fi->y1 - _fi->y0, bitmap_width_from_text_info, SF, SF, amr_GetGlyphIdFromCodepoint(latin_basic, GlyphIndexArray, text[i]));
_fi++;
}
// ---------- prepare bitmap texture and buffer objects -----------
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- r32 bmp_vertices[] = {
+ f32 bmp_vertices[] = {
// positions // texture coords
1.0f, 1.0f, 0.0f, 1.0f, 1.0f,// top right
1.0f, -1.0f, 0.0f, 1.0f, 0.0f,// bottom right
@@ -482,12 +373,12 @@ int main()
State.ScreenCoords.br = ScreenMidCoords + ScreenMidPx;
// ====================== TEXT POSITIONING AND SCALING ======
- Vec2 text_dims = {((r32)bitmap_width_from_text_info)/2.0f, ((r32)bitmap_height_from_text_info)/2.0f};
+ Vec2 text_dims = {((f32)bitmap_width_from_text_info)/2.0f, ((f32)bitmap_height_from_text_info)/2.0f};
Vec2 text_scaled_dims = State.px_ratio * text_dims;
Vec2 text_scaled_mid = text_scaled_dims/2.0f;
Vec2 text_pos = {0.0f, 0.0f};
- Vec2 text_offset = {text_dims.x/2.0f, (r32)fd_arr->baseline};
+ Vec2 text_offset = {text_dims.x/2.0f, (f32)fd_arr->baseline};
text_pos = text_offset + text_pos;
Vec2 text_scaled_pos = State.px_ratio*(State.ScreenCoords.tl + text_pos) + text_scaled_mid;
@@ -502,9 +393,9 @@ int main()
while (!glfwWindowShouldClose(Window)) {
LARGE_INTEGER WorkCounter = Win32GetWallClock();
- r32 WorkSecondsElapsed = Win32GetSecondsElapsed(LastCounter, WorkCounter);
+ f32 WorkSecondsElapsed = Win32GetSecondsElapsed(LastCounter, WorkCounter);
- r32 SecondsElapsedForFrame = WorkSecondsElapsed;
+ f32 SecondsElapsedForFrame = WorkSecondsElapsed;
// @note: this caps the framerate
// also prevents, for now, incorrect speeds based on timings
// @todo: fix framerate capping and speed timings being affected by framerate
@@ -560,11 +451,11 @@ int main()
// far value is the max z-index value. Will be useful for layering textures
Mat4 Projection = CreateOrthographicWithRatio(WIN_WIDTH, WIN_HEIGHT, -5.0f, 5.0f);
- const r32 view[16] = {View.x0, View.x1, View.x2, View.x3,
+ const f32 view[16] = {View.x0, View.x1, View.x2, View.x3,
View.y0, View.y1, View.y2, View.y3,
View.z0, View.z1, View.z2, View.z3,
View.w0, View.w1, View.w2, View.w3};
- const r32 projection[16] = {Projection.x0, Projection.x1, Projection.x2, Projection.x3,
+ const f32 projection[16] = {Projection.x0, Projection.x1, Projection.x2, Projection.x3,
Projection.y0, Projection.y1, Projection.y2, Projection.y3,
Projection.z0, Projection.z1, Projection.z2, Projection.z3,
Projection.w0, Projection.w1, Projection.w2, Projection.w3};
@@ -587,7 +478,7 @@ int main()
Mat4 Tx1 = CreateTranslationMat(InitVec4(container_pos.x, container_pos.y, -1.0f, 0));
Model = Mul_Mat4Mat4(Tx1, Model);
- const r32 container_model[16] = {Model.x0, Model.x1, Model.x2, Model.x3,
+ const f32 container_model[16] = {Model.x0, Model.x1, Model.x2, Model.x3,
Model.y0, Model.y1, Model.y2, Model.y3,
Model.z0, Model.z1, Model.z2, Model.z3,
Model.w0, Model.w1, Model.w2, Model.w3};
@@ -602,7 +493,7 @@ int main()
Model = Mul_Mat4Mat4(Scale2, Model);
Model = Mul_Mat4Mat4(Tx, Model);
- const r32 field_model[16] = {Model.x0, Model.x1, Model.x2, Model.x3,
+ const f32 field_model[16] = {Model.x0, Model.x1, Model.x2, Model.x3,
Model.y0, Model.y1, Model.y2, Model.y3,
Model.z0, Model.z1, Model.z2, Model.z3,
Model.w0, Model.w1, Model.w2, Model.w3};
@@ -618,7 +509,7 @@ int main()
Mat4 Tx = CreateTranslationMat(InitVec4(text_scaled_pos.x, text_scaled_pos.y, 0, 0));
Model = Mul_Mat4Mat4(Tx, Model);
- const r32 text_model[16] = {Model.x0, Model.x1, Model.x2, Model.x3,
+ const f32 text_model[16] = {Model.x0, Model.x1, Model.x2, Model.x3,
Model.y0, Model.y1, Model.y2, Model.y3,
Model.z0, Model.z1, Model.z2, Model.z3,
Model.w0, Model.w1, Model.w2, Model.w3};
diff --git a/code/stb_rect_pack.h b/include/stb_rect_pack.h
index 6a633ce..6a633ce 100644
--- a/code/stb_rect_pack.h
+++ b/include/stb_rect_pack.h
diff --git a/code/stb_truetype.h b/include/stb_truetype.h
index bbf2284..bbf2284 100644
--- a/code/stb_truetype.h
+++ b/include/stb_truetype.h
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-23 04:08:40 +0000