Added basic vector and matrix library

2 files changed, 111 insertions, 19 deletions

diff --git a/src/main.c b/src/main.c
index fc50f41..3eb0acc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,33 +6,42 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/09 10:20:09 by charles           #+#    #+#             */
-/*   Updated: 2020/05/09 10:39:09 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/09 11:08:59 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "libft.h"
-#include <GL/glew.h>
-#include <GLFW/glfw3.h>
+#include "scop.h"
 
 int main(int argc, char **argv)
 {
-	GLFWwindow* window;
+	/* GLFWwindow	*window; */
+	float		*buffer;
 
-	if (!glfwInit())
-		return -1;
-	window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
-	if (!window)
+	if (argc != 2)
 	{
-		glfwTerminate();
-		return -1;
+		ft_putstr("Usage: ");
+		ft_putstr(argv[0]);
+		ft_putendl(" [obj file]");
+		return (1);
 	}
-	glfwMakeContextCurrent(window);
-	while (!glfwWindowShouldClose(window))
-	{
-		glClear(GL_COLOR_BUFFER_BIT);
-		glfwSwapBuffers(window);
-		glfwPollEvents();
-	}
-	glfwTerminate();
+	if ((buffer = parse(argv[1])) == NULL)
+		return 1;
+
+	/* if (!glfwInit()) */
+	/* 	return 1; */
+	/* window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL); */
+	/* if (window == NULL) */
+	/* { */
+	/* 	glfwTerminate(); */
+	/* 	return 1; */
+	/* } */
+	/* glfwMakeContextCurrent(window); */
+	/* while (!glfwWindowShouldClose(window)) */
+	/* { */
+	/* 	glClear(GL_COLOR_BUFFER_BIT); */
+	/* 	glfwSwapBuffers(window); */
+	/* 	glfwPollEvents(); */
+	/* } */
+	/* glfwTerminate(); */
 	return 0;
 }
diff --git a/src/parse.c b/src/parse.c
new file mode 100644
index 0000000..4add0b3
--- /dev/null
+++ b/src/parse.c
@@ -0,0 +1,83 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parse.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/09 11:02:00 by charles           #+#    #+#             */
+/*   Updated: 2020/05/09 12:07:36 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "scop.h"
+
+#define SCOP_VEC_DEFAULT_SIZE 32
+
+static int	st_parse_line(char *line, t_ftvec *vertices, t_ftvec *indices)
+{
+	unsigned int	tmp;
+	float			tmpf;
+
+	if (*line == 'v')
+	{
+		tmpf = ft_strtof(line, &line);
+		ft_vecpush(indices, *((void**)&tmp));
+		tmpf = ft_strtof(line, &line);
+		ft_vecpush(indices, *((void**)&tmp));
+		tmpf = ft_strtof(line, &line);
+		ft_vecpush(indices, *((void**)&tmp));
+	}
+	if (*line == 'f')
+	{
+		tmp = ft_strtol(line, &line, 10);
+		ft_vecpush(indices, *((void**)&tmp));
+		tmp = ft_strtol(line, &line, 10);
+		ft_vecpush(indices, *((void**)&tmp));
+		tmp = ft_strtol(line, &line, 10);
+		ft_vecpush(indices, *((void**)&tmp));
+	}
+
+
+	return (0);
+}
+
+static int	st_parse_file(int fd, t_ftvec *vertices, t_ftvec *indices)
+{
+	char	*line;
+	int		ret;
+
+	while ((ret = ft_getline(fd, &line)) == FT_LINE)
+	{
+		ret = st_parse_line(line, vertices, indices);
+		free(line);
+		if (ret == -1)
+			break ;
+	}
+	if (ret == FT_ERROR)
+		return (-1);
+	if (*line != '\0')
+	{
+		free(line);
+		return (-1);
+	}
+	return (0);
+}
+
+int			parse(char *filepath, t_object *object)
+{
+	int		fd;
+	t_ftvec	*vertices;
+	t_ftvec	*indices;
+
+	if ((fd = open(filepath, O_RDONLY)) == -1)
+		return (-1);
+	if ((vertices = ft_vecnew(SCOP_VEC_DEFAULT_SIZE)) == NULL)
+		return (-1);
+	if ((indices = ft_vecnew(SCOP_VEC_DEFAULT_SIZE)) == NULL)
+		return (-1);
+	st_parse_file(fd, vertices, indices);
+	object->vertices = (float*)ft_vectobuf32(vertices);
+	object->indices = (unsigned int*)ft_vectobuf32(indices);
+	return (0);
+}