From 6b8af9cf83851c075c6c9514b1deaa931c2b19a4 Mon Sep 17 00:00:00 2001
From: Thomas Guillermo Albers Raviola <thomas@thomaslabs.org>
Date: Fri, 16 Jan 2026 23:02:32 +0100
Subject: Initial commit

---
 09-september/tomcat/renderer/renderer.h | 86 +++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 09-september/tomcat/renderer/renderer.h

(limited to '09-september/tomcat/renderer/renderer.h')

diff --git a/09-september/tomcat/renderer/renderer.h b/09-september/tomcat/renderer/renderer.h
new file mode 100644
index 0000000..791d65d
--- /dev/null
+++ b/09-september/tomcat/renderer/renderer.h
@@ -0,0 +1,86 @@
+#ifndef RENDERER_H
+#define RENDERER_H
+
+#include "../terrain.h"
+#include "../util/array.h"
+#include "vertex.h"
+#include "../particles/particles.h"
+#include "renderer_types.h"
+#include "stdint.h"
+#include "window.h"
+
+#define MAX_STRING_LENGTH 128
+
+#define MAX_TEXTURES 2048
+#define MAX_MODELS   2048
+#define MAX_MESHES   2048
+#define MAX_SHADERS  32
+
+/** Beginning of rendering functions **/
+
+typedef struct _GlInfo
+{
+    char version[MAX_STRING_LENGTH];
+    char shading_version[MAX_STRING_LENGTH];
+    char vendor[MAX_STRING_LENGTH];
+} GlInfo;
+
+typedef struct _Renderer
+{
+    GlInfo info;
+
+    Mesh *default_quad;
+    Shader *default_shader;
+    GLuint instance_vbo;
+
+    Texture *textures[MAX_TEXTURES]; /* All loaded textures */
+    int num_textures;
+
+    Shader *shaders[MAX_SHADERS];    /* All loaded shaders */
+    int num_shaders;
+
+    Model *models[MAX_MODELS];       /* All created shapes */
+    int num_models;
+
+    Mesh *meshes[MAX_MESHES];
+    int num_meshes;
+
+    Window *window;
+
+    GLuint shadow_fbo; /* Frame buffer for shadow mapping */
+    GLuint shadow_map; /* Texture for rendering the shadow map (shadow mapping) */
+    GLuint shadow_color;
+    GLint shadow_width;
+    GLint shadow_height;
+
+    /** TEMP **/
+    Mat4 shadow_mvp;
+    Vec3 inv_light_dir;
+    Shader *shadow_shader;
+
+    /** TEMP **/
+} Renderer;
+extern Renderer render;
+
+extern void Render_Init(Window *window);
+
+extern void Render_BeginFrame();
+
+/* Load lights into the current shader program */
+extern void Render_LoadLights(Shader *shader, const Light *lights, int n);
+
+extern void Render_DrawEntity(Shader *shader, Mat4 *projectedViewMatrix, Entity *entity);
+extern void Render_DrawTerrain(Shader *shader, Mat4 *projectedViewMatrix, Terrain *terrain);
+extern void Render_DrawSky(Shader *shader, Mat4 *viewMatrix, Mat4 *projectionMatrix, Skybox *sky);
+extern void Render_DrawParticles(Shader *shader, Mat4 *viewMatrix, Mat4 *projectionMatrix);
+
+extern void Render_EndFrame();
+
+extern void Render_Shutdown();
+
+extern Mat4 Entity_GetModelTransform(Entity* entity);
+extern Vec2 Entity_GetTexOffset(Entity *entity);
+
+/** End of rendering functions **/
+
+#endif // RENDERER_H
-- 
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