# HG changeset patch
# User John Tsiombikas <nuclear@mutantstargoat.com>
# Date 1326440056 -7200
# Node ID 8c6d64af9505d787a9dbf57b5fb05befefb20022

scenefile

diff -r 000000000000 -r 8c6d64af9505 .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Fri Jan 13 09:34:16 2012 +0200
@@ -0,0 +1,5 @@
+\.o$
+\.d$
+\.swp$
+^libscenefile\.so
+^libscenefile.a$
diff -r 000000000000 -r 8c6d64af9505 Makefile
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Makefile	Fri Jan 13 09:34:16 2012 +0200
@@ -0,0 +1,62 @@
+PREFIX = /usr/local
+
+src = $(wildcard src/*.c)
+obj = $(src:.c=.o)
+dep = $(obj:.o=.d)
+
+name = scenefile
+lib_a = lib$(name).a
+
+dbg = -g
+#opt = -O3
+
+ifeq ($(shell uname -s), Darwin)
+	lib_so = $(name).dylib
+	shared = -dynamiclib
+else
+	abi = 0
+	rev = 0
+	devlink = lib$(name).so
+	soname = $(devlink).$(abi)
+	lib_so = $(soname).$(rev)
+	shared = -shared -Wl,-soname=$(soname)
+	pic = -fPIC
+endif
+
+CFLAGS = -pedantic -Wall $(dbg) $(opt) $(pic)
+
+.PHONY: all
+all: $(lib_so) $(lib_a)
+
+$(lib_so): $(obj)
+	$(CC) -o $@ $(shared) $(obj) $(LDFLAGS)
+
+$(lib_a): $(obj)
+	$(AR) rcs $@ $(obj)
+
+-include $(dep)
+
+%.d: %.c
+	@$(CPP) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@
+
+.PHONY: clean
+clean:
+	rm -f $(obj) $(lib_so) $(lib_a)
+
+.PHONY: install
+install: $(lib_so) $(lib_a)
+	mkdir -p $(INSTDIR)$(PREFIX)/lib $(INSTDIR)$(PREFIX)/include
+	cp $(lib_a) $(INSTDIR)$(PREFIX)/lib/$(lib_a)
+	cp $(lib_so) $(INSTDIR)$(PREFIX)/lib/$(lib_so)
+	[ -n "$(soname)" ] && cd $(INSTDIR)$(PREFIX)/lib \
+		&& ln -s $(lib_so) $(soname) \
+		&& ln -s $(soname) $(devlink) \
+		|| true
+
+.PHONY: uninstall
+uninstall:
+	rm -f $(INSTDIR)$(PREFIX)/lib/$(lib_a) $(INSTDIR)$(PREFIX)/lib/$(lib_so)
+	[ -n "$(soname)" ] \
+		&& rm -f $(INSTDIR)$(PREFIX)/lib/$(soname) \
+		&& rm -f $(INSTDIR)$(PREFIX)/lib/$(devlink) \
+		|| true
diff -r 000000000000 -r 8c6d64af9505 src/mesh.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mesh.c	Fri Jan 13 09:34:16 2012 +0200
@@ -0,0 +1,125 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "mesh.h"
+
+int mattr_init(struct mesh_attrib *ma)
+{
+	memset(ma, 0, sizeof *ma);
+	return 0;
+}
+
+void mattr_destroy(struct mesh_attrib *ma)
+{
+	if(ma) {
+		free(ma->name);
+		free(ma->data);
+	}
+}
+
+int mattr_set_name(struct mesh_attrib *ma, const char *name)
+{
+	char *tmp;
+
+	if(!(tmp = malloc(strlen(name) + 1))) {
+		return -1;
+	}
+	strcpy(tmp, name);
+
+	free(ma->name);
+	ma->name = tmp;
+	return 0;
+}
+
+#define INITSZ	(16 * ma->elem_size)
+int mattr_add_elem(struct mesh_attrib *ma, void *data)
+{
+	int nsz = (ma->count + 1) * ma->elem_size;
+
+	if(nsz > ma->datasz) {
+		void *tmp;
+
+		nsz = ma->datasz ? ma->datasz * 2 : INITSZ;
+
+		if(!(tmp = realloc(ma->data, nsz))) {
+			return -1;
+		}
+		ma->data = tmp;
+		ma->datasz = nsz;
+	}
+
+	memcpy((char*)ma->data + ma->elem_size * ma->count++, data, ma->elem_size);
+	return 0;
+}
+
+/* -------- mesh -------- */
+
+int mesh_init(struct mesh *m)
+{
+	memset(m, 0, sizeof *m);
+	return 0;
+}
+
+void mesh_destroy(struct mesh *m)
+{
+	int i;
+
+	free(m->name);
+
+	for(i=0; i<m->num_attr; i++) {
+		mattr_destroy(&m->attr[i]);
+	}
+	free(m->attr);
+
+	for(i=0; i<m->num_attr; i++) {
+		free(m->polyidx[i]);
+	}
+	free(m->polyidx);
+}
+
+int mesh_set_name(struct mesh *m, const char *name)
+{
+	char *tmp;
+
+	if(!(tmp = malloc(strlen(name) + 1))) {
+		return -1;
+	}
+	strcpy(tmp, name);
+
+	free(m->name);
+	m->name = tmp;
+	return 0;
+}
+
+int mesh_add_attrib(struct mesh *m, struct mesh_attrib *attr)
+{
+	void *tmp;
+	int idx = m->num_attr++;
+
+	if(!(tmp = realloc(m->attr, m->num_attr * sizeof *attr))) {
+		return -1;
+	}
+	m->attr = tmp;
+	m->attr[idx] = *attr;
+
+	if(!(tmp = realloc(m->polyidx, m->num_attr * sizeof *m->polyidx))) {
+		m->num_attr--;
+		return -1;
+	}
+	m->polyidx[idx] = 0;
+
+	return 0;
+}
+
+int mesh_find_attrib(struct mesh *m, const char *name)
+{
+	int i;
+
+	for(i=0; i<m->num_attr; i++) {
+		if(strcmp(m->attr[i].name, name) == 0) {
+			return i;
+		}
+	}
+	return -1;
+}
diff -r 000000000000 -r 8c6d64af9505 src/mesh.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mesh.h	Fri Jan 13 09:34:16 2012 +0200
@@ -0,0 +1,44 @@
+#ifndef MESH_H_
+#define MESH_H_
+
+struct mesh_attrib {
+	char *name;
+	int count, elem_size;
+	void *data;
+
+	int datasz;
+};
+
+struct mesh {
+	char *name;
+	int poly_nverts;	/* 3, 4, etc */
+
+	struct mesh_attrib *attr;
+	int num_attr;
+
+	int **polyidx;
+	int num_poly;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int mattr_init(struct mesh_attrib *ma);
+void mattr_destroy(struct mesh_attrib *ma);
+
+int mattr_set_name(struct mesh_attrib *ma, const char *name);
+int mattr_add_elem(struct mesh_attrib *ma, void *data);
+
+int mesh_init(struct mesh *m);
+void mesh_destroy(struct mesh *m);
+
+int mesh_set_name(struct mesh *m, const char *name);
+int mesh_add_attrib(struct mesh *m, struct mesh_attrib *attr);
+int mesh_find_attrib(struct mesh *m, const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* MESH_H_ */