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scop
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triangulate

This commit is contained in:
gbrochar 2020-12-23 17:58:47 +01:00
parent be37bd8c3e
commit 7cc0265f3f
5 changed files with 107 additions and 48 deletions
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3
Makefile
View File

@ -6,7 +6,7 @@
# By: gbrochar <gbrochar@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2020/12/17 19:47:03 by gbrochar #+# #+# #
# Updated: 2020/12/23 17:05:36 by gbrochar ### ########.fr #
# Updated: 2020/12/23 17:36:57 by gbrochar ### ########.fr #
# #
# **************************************************************************** #
@ -15,6 +15,7 @@ NAME = scop
SRC_FILE = main.c \
parse_file.c \
parse_line.c \
parse_token.c \
env.c \
mat4_transpose.c \
mat4_multiply.c \

9
inc/scop.h
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@ -6,7 +6,7 @@
/* By: gbrochar <gbrochar@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/22 12:08:22 by gbrochar #+# #+# */
/* Updated: 2020/12/23 16:23:16 by gbrochar ### ########.fr */
/* Updated: 2020/12/23 17:57:54 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
@ -96,6 +96,13 @@ int parse_file(t_env *e);
int parse_line(t_env *e, char *line);
t_gl_buf_type parse_gl_buf_type(char *token);
void parse_triangulate(
t_buf_i *indices, int token_count);
void parse_append_data_tmp(
t_buf_i *indices, int vertex_count, int *data_tmp);
int parse_token(
t_env *e, char *token, t_gl_buf_type gl_buf_type);
int parse_append_data_d(t_buf_d *buffer, char *token);
int parse_append_data_i(t_buf_i *buffer, char *token);

2
src/main.c
View File

@ -6,7 +6,7 @@
/* By: gbrochar <gbrochar@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/22 12:02:14 by gbrochar #+# #+# */
/* Updated: 2020/12/22 20:48:00 by gbrochar ### ########.fr */
/* Updated: 2020/12/23 17:57:34 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */

82
src/parse_line.c
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@ -6,38 +6,12 @@
/* By: gbrochar <gbrochar@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/22 18:41:28 by gbrochar #+# #+# */
/* Updated: 2020/12/22 20:26:47 by gbrochar ### ########.fr */
/* Updated: 2020/12/23 17:57:40 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
#include "scop.h"
int parse_append_data_d(t_buf_d *buffer, char *token)
{
if (buffer->ptr == buffer->len)
{
buffer->data = (double *)realloc(
buffer->data, sizeof(double) * (buffer->len + BUFFER_SIZE));
buffer->len += BUFFER_SIZE;
}
buffer->data[buffer->ptr] = atof(token);
buffer->ptr++;
return (SUCCESS);
}
int parse_append_data_i(t_buf_i *buffer, char *token)
{
if (buffer->ptr == buffer->len)
{
buffer->data = (int *)realloc(
buffer->data, sizeof(int) * (buffer->len + BUFFER_SIZE));
buffer->len += BUFFER_SIZE;
}
buffer->data[buffer->ptr] = atoi(token);
buffer->ptr++;
return (SUCCESS);
}
t_gl_buf_type parse_gl_buf_type(char *token)
{
if (strcmp(token, "v") == SUCCESS)
@ -51,27 +25,43 @@ t_gl_buf_type parse_gl_buf_type(char *token)
return (OTHER);
}
int parse_token(
t_env *e,
char *token,
t_gl_buf_type gl_buf_type)
void parse_append_data_tmp(
t_buf_i *indices, int vertex_count, int *data_tmp)
{
int ret;
int i;
if (gl_buf_type == OTHER)
ret = BREAK;
if (gl_buf_type == VERTEX)
ret = parse_append_data_d(&(e->object.vertices), token);
if (gl_buf_type == UV)
i = 0;
while (i < 3 * (vertex_count - 2))
{
printf("uv");
ret = parse_append_data_d(&(e->object.uvs), token);
if (indices->ptr == indices->len)
{
indices->data = (int *)realloc(
indices->data, sizeof(int) * (indices->len + BUFFER_SIZE));
indices->len += BUFFER_SIZE;
}
indices->data[indices->ptr++] = data_tmp[i++];
}
if (gl_buf_type == NORMAL)
ret = parse_append_data_d(&(e->object.normals), token);
if (gl_buf_type == INDEX)
ret = parse_append_data_i(&(e->object.indices), token);
return (ret);
}
void parse_triangulate(t_buf_i *indices, int vertex_count)
{
int *data_tmp;
int i;
i = 0;
data_tmp = (int *)malloc(sizeof(int) * 3 * (vertex_count - 2));
indices->ptr -= vertex_count;
while (i < 3 * (vertex_count - 2))
{
if (i % 3 == 0)
data_tmp[i] = indices->data[indices->ptr];
else if (i % 3 == 1)
data_tmp[i] = indices->data[indices->ptr + (i - 1) / 3 + 1];
else if (i % 3 == 2)
data_tmp[i] = indices->data[indices->ptr + (i - 2) / 3 + 2];
i++;
}
parse_append_data_tmp(indices, vertex_count, data_tmp);
}
int parse_line(t_env *e, char *line)
@ -83,7 +73,7 @@ int parse_line(t_env *e, char *line)
token_count = 0;
ret = SUCCESS;
while ((token = strtok_r(line, " ", &line)))
while ((token = strtok_r(line, " \t", &line)))
{
if (token_count == 0)
gl_buf_type = parse_gl_buf_type(token);
@ -93,5 +83,7 @@ int parse_line(t_env *e, char *line)
return (FAILURE);
token_count++;
}
if (gl_buf_type == INDEX && token_count > 4)
parse_triangulate(&(e->object.indices), token_count - 1);
return (SUCCESS);
}

59
src/parse_token.c Normal file
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@ -0,0 +1,59 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse_token.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gbrochar <gbrochar@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/23 17:33:33 by gbrochar #+# #+# */
/* Updated: 2020/12/23 17:38:10 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
#include "scop.h"
int parse_append_data_d(t_buf_d *buffer, char *token)
{
if (buffer->ptr == buffer->len)
{
buffer->data = (double *)realloc(
buffer->data, sizeof(double) * (buffer->len + BUFFER_SIZE));
buffer->len += BUFFER_SIZE;
}
buffer->data[buffer->ptr] = atof(token);
buffer->ptr++;
return (SUCCESS);
}
int parse_append_data_i(t_buf_i *buffer, char *token)
{
if (buffer->ptr == buffer->len)
{
buffer->data = (int *)realloc(
buffer->data, sizeof(int) * (buffer->len + BUFFER_SIZE));
buffer->len += BUFFER_SIZE;
}
buffer->data[buffer->ptr] = atoi(token);
buffer->ptr++;
return (SUCCESS);
}
int parse_token(
t_env *e,
char *token,
t_gl_buf_type gl_buf_type)
{
int ret;
if (gl_buf_type == OTHER)
ret = BREAK;
if (gl_buf_type == VERTEX)
ret = parse_append_data_d(&(e->object.vertices), token);
if (gl_buf_type == UV)
ret = parse_append_data_d(&(e->object.uvs), token);
if (gl_buf_type == NORMAL)
ret = parse_append_data_d(&(e->object.normals), token);
if (gl_buf_type == INDEX)
ret = parse_append_data_i(&(e->object.indices), token);
return (ret);
}