initial commit (lol)

10 files changed, 187 insertions, 0 deletions

diff --git a/mons_3d/include/camera.h b/mons_3d/include/camera.h
new file mode 100644
index 0000000..be795bb
--- /dev/null
+++ b/mons_3d/include/camera.h
@@ -0,0 +1,12 @@
+#ifndef MONS_CAMERA_H
+#define MONS_CAMERA_H
+
+#include "projection.h"
+#include "transform.h"
+
+typedef struct mons_camera {
+    mons_transform transform;
+    mons_projection projection;
+} mons_camera;
+
+#endif
diff --git a/mons_3d/include/color.h b/mons_3d/include/color.h
new file mode 100644
index 0000000..85b68c0
--- /dev/null
+++ b/mons_3d/include/color.h
@@ -0,0 +1,12 @@
+#ifndef MONS_COLOR_H
+#define MONS_COLOR_H
+
+#include "mons_math/vec4.h"
+
+#define MONS_COLOR_BLACK (mons_vec4){0,0,0,1}
+#define MONS_COLOR_WHITE MONS_VEC4_ONE
+#define MONS_COLOR_RED (mons_vec4){1,0,0,1}
+#define MONS_COLOR_GREEN (mons_vec4){0,1,0,1}
+#define MONS_COLOR_BLUE (mons_vec4){0,0,1,1}
+
+#endif
diff --git a/mons_3d/include/light.h b/mons_3d/include/light.h
new file mode 100644
index 0000000..8f1aac2
--- /dev/null
+++ b/mons_3d/include/light.h
@@ -0,0 +1,12 @@
+#ifndef MONS_LIGHT_H
+#define MONS_LIGHT_H
+
+#include "transform.h"
+#include "mons_math/vec4.h"
+
+typedef struct mons_directional_light {
+    mons_transform transform;
+    mons_vec4 color;
+} mons_directional_light;
+
+#endif
diff --git a/mons_3d/include/mesh.h b/mons_3d/include/mesh.h
new file mode 100644
index 0000000..3794697
--- /dev/null
+++ b/mons_3d/include/mesh.h
@@ -0,0 +1,14 @@
+#ifndef MONS_MESH_H
+#define MONS_MESH_H
+
+struct mons_vertex;
+typedef unsigned int mons_vao;
+
+typedef struct mons_mesh {
+    mons_vao vao;
+    unsigned int element_count;
+} mons_mesh;
+
+mons_mesh mons_create_mesh(struct mons_vertex *vertex_array, int vertex_count, int *index_array, int index_count);
+
+#endif
diff --git a/mons_3d/include/model.h b/mons_3d/include/model.h
new file mode 100644
index 0000000..9059d64
--- /dev/null
+++ b/mons_3d/include/model.h
@@ -0,0 +1,19 @@
+#ifndef MONS_MODEL_H
+#define MONS_MODEL_H
+
+#include "mesh.h"
+#include "shader.h"
+#include "transform.h"
+#include "texture.h"
+
+typedef struct mons_model {
+    mons_mesh mesh;
+    mons_program shader;
+    mons_transform transform;
+    mons_texture *textures;
+    unsigned int textures_len;
+} mons_model;
+
+void mons_model_draw(mons_model model);
+
+#endif
diff --git a/mons_3d/include/projection.h b/mons_3d/include/projection.h
new file mode 100644
index 0000000..df0f716
--- /dev/null
+++ b/mons_3d/include/projection.h
@@ -0,0 +1,13 @@
+#ifndef MONS_PROJECTION_H
+#define MONS_PROJECTION_H
+
+typedef struct mons_projection {
+    float near;
+    float far;
+    float fov;
+    float aspect_ratio;
+} mons_projection;
+
+struct mons_mat4 mons_projection_matrix(mons_projection projection);
+
+#endif
diff --git a/mons_3d/include/shader.h b/mons_3d/include/shader.h
new file mode 100644
index 0000000..553c6e4
--- /dev/null
+++ b/mons_3d/include/shader.h
@@ -0,0 +1,35 @@
+#ifndef MONS_SHADER_H
+#define MONS_SHADER_H
+
+#include <glad/gl.h>
+#include <stdbool.h>
+
+typedef unsigned int mons_shader;
+typedef unsigned int mons_program;
+
+typedef enum mons_shader_type {
+    MONS_SHADER_TYPE_VERTEX = GL_VERTEX_SHADER,
+    MONS_SHADER_TYPE_FRAGMENT = GL_FRAGMENT_SHADER,
+} mons_shader_type;
+
+struct mons_vec2;
+struct mons_vec3;
+struct mons_vec4;
+struct mons_mat4;
+
+mons_shader mons_create_shader(mons_shader_type type, char *source, int len);
+mons_program mons_create_program(mons_shader vertex_shader, mons_shader fragment_shader);
+void mons_shader_set_float(mons_program shader, char *uniform_name, float value);
+void mons_shader_set_vec2(mons_program shader, char *uniform_name, struct mons_vec2 value);
+void mons_shader_set_vec3(mons_program shader, char *uniform_name, struct mons_vec3 value);
+void mons_shader_set_vec4(mons_program shader, char *uniform_name, struct mons_vec4 value);
+void mons_shader_set_mat4(mons_program shader, char *uniform_name, struct mons_mat4 value, bool transpose);
+
+void mons_shader_set_float_global(char *uniform_name, float value);
+void mons_shader_set_vec2_global(char *uniform_name, struct mons_vec2 value);
+void mons_shader_set_vec3_global(char *uniform_name, struct mons_vec3 value);
+void mons_shader_set_vec4_global(char *uniform_name, struct mons_vec4 value);
+void mons_shader_set_mat4_global(char *uniform_name, struct mons_mat4 value, bool transpose);
+void mons_shader_apply_global_uniforms(mons_program shader);
+
+#endif
diff --git a/mons_3d/include/texture.h b/mons_3d/include/texture.h
new file mode 100644
index 0000000..4e3d2e4
--- /dev/null
+++ b/mons_3d/include/texture.h
@@ -0,0 +1,19 @@
+#ifndef MONS_TEXTURE_H
+#define MONS_TEXTURE_H
+
+#include "image.h"
+#include "shader.h"
+#include <stdio.h>
+
+typedef struct mons_texture {
+    unsigned int id;
+    unsigned int width;
+    unsigned int height;
+} mons_texture;
+
+mons_texture mons_texture_from_image(mons_image image);
+mons_texture mons_texture_load(FILE *stream);
+
+void mons_texture_bind(mons_program shader, unsigned int unit, mons_texture texture);
+
+#endif
diff --git a/mons_3d/include/transform.h b/mons_3d/include/transform.h
new file mode 100644
index 0000000..840dfc2
--- /dev/null
+++ b/mons_3d/include/transform.h
@@ -0,0 +1,36 @@
+#ifndef MONS_TRANSFORM_H
+#define MONS_TRANSFORM_H
+
+#include "mons_math/mat4.h"
+#include "mons_math/vec3.h"
+#include "mons_math/quat.h"
+
+typedef struct mons_transform {
+    mons_vec3 translation;
+    mons_vec3 scale;
+    mons_quat rotation;
+} mons_transform;
+
+void mons_transform_translate(mons_transform *transform, struct mons_vec3 translation);
+void mons_transform_rotate(mons_transform *transform, struct mons_quat rotation);
+void mons_transform_scale(mons_transform *transform, struct mons_vec3 scale);
+
+mons_mat4 mons_transform_matrix(mons_transform transform);
+
+void mons_transform_set_translation(mons_transform *transform, struct mons_vec3 translation);
+void mons_transform_set_rotation(mons_transform *transform, struct mons_quat rotation);
+void mons_transform_set_scale(mons_transform *transform, struct mons_vec3 scale);
+
+struct mons_vec3 mons_transform_forward(mons_transform transform);
+struct mons_vec3 mons_transform_up(mons_transform transform);
+struct mons_vec3 mons_transform_right(mons_transform transform);
+
+void mons_transform_look_at(mons_transform *transform, mons_vec3 point, mons_vec3 up);
+
+#define MONS_TRANSFORM_IDENTITY (mons_transform) {\
+    MONS_VEC3_ZERO,\
+    MONS_VEC3_ONE,\
+    MONS_QUAT_IDENTITY,\
+}
+
+#endif
diff --git a/mons_3d/include/vertex.h b/mons_3d/include/vertex.h
new file mode 100644
index 0000000..5e95579
--- /dev/null
+++ b/mons_3d/include/vertex.h
@@ -0,0 +1,15 @@
+#ifndef MONS_VERTEX_H
+#define MONS_VERTEX_H
+
+#include "mons_math/vec4.h"
+#include "mons_math/vec3.h"
+#include "mons_math/vec2.h"
+
+typedef struct mons_vertex {
+    mons_vec3 position;
+    mons_vec3 normal;
+    mons_vec4 tangent;
+    mons_vec2 texture_coords;
+} mons_vertex;
+
+#endif