Refactored.

include/dawn/display/camera.h

@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) 2021 Dominic Msters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../libs.h"
+
+/** The math for the camera is stored here. */
+typedef struct {
+  /** View Matrix (Where the camera looks) */
+  mat4 view;
+
+  /** Projection Matrix (How the camera looks) */
+  mat4 projection;
+} camera_t;

include/dawn/display/primitive.h

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../libs.h"
+
+#define PRIMITIVE_POSITIONS_PER_VERTICE 3
+#define PRIMITIVE_COORDINATES_PER_VERTICE 2
+
+/** Structure containing information about a primitive */
+typedef struct {
+  int32_t verticeCount;
+  int32_t indiceCount;
+
+  GLuint vertexBuffer;
+  GLuint indexBuffer;
+} primitive_t;
+
+/** Structure containing vertice position information */
+typedef struct {
+  float x, y, z;
+  float u, v;
+} vertice_t;
+
+/** Indice that references a specific vertice */
+typedef unsigned int indice_t;

include/dawn/display/render.h

@@ -0,0 +1,19 @@
+// Copyright (c) 2021 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "../libs.h"
+
+/**
+ * Contains information about the current render state, can be used for querying
+ * how the renderer is currently set up.
+ */
+typedef struct {
+  /** Resolution (in pixels) */
+  int32_t width, height;
+} render_t;
+
+/** Current render state */
+extern render_t RENDER_STATE;

include/dawn/display/shader.h

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+/**
+ * Copyright (c) 2021 Dominic Msters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../libs.h"
+
+#define SHADER_UNI_VIEW "u_View"
+#define SHADER_UNI_PROJ "u_Proj"
+#define SHADER_UNI_TEXT "u_Text"
+#define SHADER_UNI_MODL "u_Modl"
+
+/**
+ * Structure containing information about an OpenGL Shader. For simplicity sake
+ * we demand certain uninforms to be present on the shader target.
+ */
+typedef struct {
+  /** Pointer to an uploaded vertex shader program */
+  GLuint shaderVertex;
+
+  /** Pointer to an uploaded fragment shader program */
+  GLuint shaderFrag;
+
+  /** Pointer to an uploaded shader program linked */
+  GLuint shaderProgram;
+
+  /** Matrix for the view matrix */
+  GLint uniView;
+
+  /** Matrix for the projection matrix */
+  GLint uniProj;
+
+  /** Uniform for the current texture */
+  GLint uniText;
+
+  /** Uniform for the current model world position */
+  GLint uniModl;
+} shader_t;

include/dawn/display/spritebatch.h

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+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../libs.h"
+
+/** Definition of a Sprite Batch. */
+typedef struct {
+  /** Maximum sprites the batch can hold. */
+  int32_t maxSprites;
+
+  /** The current/next sprite index. */
+  int32_t currentSprite;
+
+  /** Internal primitive */
+  primitive_t *primitive;
+} spritebatch_t;

include/dawn/display/texture.h

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+// Copyright (c) 2021 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "../libs.h"
+
+/**
+ * Structure detailing information about a texture.
+ * Because we plan to upload the pixels of a texture into the GPU, we don't
+ * store the pixels in memory because we don't need to!
+ */
+typedef struct {
+  int32_t width;
+  int32_t height;
+  GLuint id;
+} texture_t;
+
+/** Information about a single pixel. */
+typedef struct {
+  uint8_t r, g, b, a ;
+} pixel_t;

include/dawn/display/tileset.h

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+// Copyright (c) 2021 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "../libs.h"
+
+/** Division of a texture */
+typedef struct {
+  float x0, y0, x1, y1;
+} tilesetdiv_t;
+
+/** Definition of a Tileset */
+typedef struct {
+  /** Count of X/Y divisions */
+  int32_t columns, rows;
+
+  /** Count of divisions (unused) */
+  int32_t count;
+
+  /** Division information */
+  tilesetdiv_t *divisions;
+} tileset_t;