start level tool

diff --git a/.gitignore b/.gitignore
index 6f47f90..b1c6569 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 *.swp
 game
 *.a
+mklevel

diff --git a/tools/mklevel/GNUmakefile b/tools/mklevel/GNUmakefile
new file mode 100644 (file)
index 0000000..23719c7
--- /dev/null
+++ b/tools/mklevel/GNUmakefile
@@ -0,0 +1,33 @@
+src = $(wildcard src/*.c)
+obj = $(src:.c=.o)
+dep = $(src:.c=.d)
+bin = mklevel
+
+warn = -pedantic -Wall
+dbg = -g
+inc = -I../../libs -I../../libs/goat3d/include -I../../libs/treestor/include
+libdir = ../../libs/unix
+libs = $(libdir)/goat3d.a $(libdir)/treestor.a
+
+CC = gcc
+CFLAGS = $(warn) $(dbg) -MMD
+LDFLAGS = $(libs) -lm
+
+$(bin): $(obj) $(libs)
+       $(CC) -o $@ $(obj) $(LDFLAGS)
+
+-include $(dep)
+
+.PHONY: clean
+clean:
+       rm -f $(obj) $(bin)
+
+.PHONY: cleandep
+cleandep:
+       rm -f $(dep)
+
+$(libdir)/goat3d.a:
+       $(MAKE) -C ../../libs/goat3d
+
+$(libdir)/treestor.a:
+       $(MAKE) -C ../../libs/treestor

diff --git a/tools/mklevel/src/main.c b/tools/mklevel/src/main.c
new file mode 100644 (file)
index 0000000..5ae4458
--- /dev/null
+++ b/tools/mklevel/src/main.c
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "goat3d.h"
+
+int parse_args(int argc, char **argv);
+
+const char *opt_fname;
+struct goat3d *gscn;
+
+int main(int argc, char **argv)
+{
+       if(parse_args(argc, argv) == -1) {
+               return 1;
+       }
+
+       if(!(gscn = goat3d_create()) || goat3d_load(gscn, opt_fname) == -1) {
+               return 1;
+       }
+
+       goat3d_free(gscn);
+       return 0;
+}
+
+int parse_args(int argc, char **argv)
+{
+       static const char *usage_fmt = "Usage: %s [options] <goat3d scene file>\n"
+               "Options:\n"
+               " -h: print usage and exit\n\n";
+       int i;
+
+       for(i=1; i<argc; i++) {
+               if(argv[i][0] == '-') {
+                       if(argv[i][2]) {
+                               fprintf(stderr, "invalid option: %s\n", argv[i]);
+                               return -1;
+                       }
+                       switch(argv[i][1]) {
+                       case 'h':
+                               printf(usage_fmt, argv[0]);
+                               exit(0);
+
+                       default:
+                               fprintf(stderr, "invalid option: %s\n", argv[i]);
+                               return -1;
+                       }
+               } else {
+                       if(opt_fname) {
+                               fprintf(stderr, "unexpected argument: %s\n", argv[i]);
+                               return -1;
+                       }
+                       opt_fname = argv[i];
+               }
+       }
+
+       if(!opt_fname) {
+               fprintf(stderr, "pass a goat3d scene file to process\n");
+               return -1;
+       }
+
+       return 0;
+}