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skunkworks-c
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stuff and port to msvc

This commit is contained in:
DaniTheSkunk 2023-02-24 23:14:05 +00:00
parent bf7b89c05a
commit cd13750858
16 changed files with 542 additions and 17 deletions
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1
.gitignore vendored
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@ -2,3 +2,4 @@
*~
/.cache/
/compile_commands.json
*.c#

6
build.bat
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@ -2,5 +2,9 @@
REM cd build && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -GNinja .. && ninja && copy compile_commands.json .. && skunkworks.exe
cd build && meson compile && copy compile_commands.json .. && cd .. && build\gsa.exe
REM cd build && meson compile && copy compile_commands.json .. && cd .. && build\gsa.exe
clang build.c src/str.c -Iinclude -Wno-everything -obuild.exe && build.exe && del build.exe
EXIT /B %ERRORLEVEL%
REM build\skip.exe c src && exit /b 1
REM build\gsa.exe

117
build.c Normal file
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@ -0,0 +1,117 @@
#include "str.h"
#include "types.h"
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
void cmake(char *dep, char *libpath, char *lib, char *cmake_dir, char *params);
bool file_exists(char *dir);
void sys(char *cmd);
int main(int argc, char *argv[]) {
printf("SkunkWorks build system v0.0\n");
fflush(stdout);
chdir("build");
sys("if not exist deps md deps");
// system("cl ../src/*.c /I../include");
// system("copy ..\\subprojects\\zlib-1.2.13\\zconf.h.in zconf.h");
// putenv("CC=clang");
cmake("glfw-3.3.8", "src\\Release\\glfw3.lib", "glfw3.lib", "", "");
cmake("zlib-1.2.13", "Release\\zlibstatic.lib", "zlib.lib", "", "");
cmake(
"lpng1639",
"Release\\libpng16_static.lib",
"png.lib",
"",
"-D ZLIB_INCLUDE_DIR=../../subprojects/zlib-1.2.13 "
"-D ZLIB_LIBRARY=.. "
"-D CMAKE_C_FLAGS=/I\"../zlib-1.2.13\""
);
cmake(
"glew-2.1.0",
"lib\\Release\\libglew32.lib",
"glew.lib",
"build/cmake",
""
);
sys("cl /c /MD /O2 /Za "
"../src/*.c "
"/I../include "
"/I../subprojects/glew-2.1.0/include "
"/I../subprojects/glfw-3.3.8/include "
"/I../subprojects/lpng1639 "
"/I../subprojects/zlib-1.2.13 "
"/Ilpng1639 ");
sys("del skunkworks.lib ");
sys("lib "
"*.obj "
"deps/*.lib "
"/OUT:skunkworks.lib");
sys("cl /MD /O2 "
"../tools/skip.c "
"skunkworks.lib "
"/I../include ");
sys("cl /MD /O2 "
"../examples/gsa_simple.c "
"skunkworks.lib "
"/I../include "
"/I. ");
sys("del *.obj");
/*
system("clang "
"-static "
"-Wl,-nodefaultlib:msvcrt "
"../src/*.c "
"-D_CRT_SECURE_NO_WARNINGS "
"-oskunkworks.lib "
"-I../include "
"-I../subprojects/glew-2.1.0/include "
"-I../subprojects/glfw-3.3.8/include "
"-I../subprojects/lpng1639 "
"-I../subprojects/zlib-1.2.13 "
"-Ilpng1639 "
"-L. -lpng -lzlib -lglew -lglfw3 -lopengl32 -luser32 -lkernel32 "
"-lgdi32 -lshell32 "
"-llibcmt -llibvcruntime -llibucrt");
*/
return 0;
}
void cmake(char *dep, char *libpath, char *lib, char *cmake_dir, char *params) {
if(file_exists(sw_concat("deps\\", lib))) {
printf("%s already exists, not compiling dependency\n", lib);
return;
}
printf("compiling %s", lib);
sys(sw_concat("md ", dep));
chdir(dep);
sys(sw_concat4(
"cmake ",
params,
// "
//-DCMAKE_MSVC_RUNTIME_LIBRARY=\"MultiThreaded$<$<CONFIG:Debug>:Debug>"
// "\" "
" ../../subprojects/",
sw_concat3(dep, "/", cmake_dir)
));
sys("cmake --build . --config Release");
chdir("..");
sys(sw_concat4(sw_concat3("copy ", dep, "\\"), libpath, " deps\\", lib));
}
bool file_exists(char *dir) {
DWORD attrib = GetFileAttributes(dir);
return attrib != INVALID_FILE_ATTRIBUTES;
}
void sys(char *cmd) {
if(system(cmd) != 0) {
exit(-1);
}
}

16
examples/gsa_simple.c
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@ -1,7 +1,9 @@
#include "color32.h"
#include "error.h"
#include "gamepad.h"
#include "gsa_map.h"
#include "gsa_text.h"
#include "skip.h"
#include <gsa.h>
sw_color32 pal[GSA_PALETTE_SIZE];
@ -16,9 +18,23 @@ void fade_palette(f32 amount) {
bool tick_fade_in();
void test() {
struct sw_skip *skip;
u32 len;
u8 *str;
skip = sw_skip_load("build/gsa.exe");
str = sw_skip_get(skip, "test.c", &len);
sw_log("%i", str);
sw_log("%.*s", len, str);
}
void init() {
i32 x, y;
// test();
gsa_copy_palette_to(pal);
for(y = 0; y < 11; ++y) {

2
include/file.h
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@ -5,9 +5,9 @@
#include <stdio.h>
struct sw_filebuffer {
u8 *_data;
u32 pos;
u32 size;
u8 *_data;
};
/* TODO: use skunkworks overlay paths */

1
include/gsa.h
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@ -24,6 +24,7 @@
#include "gsa_input.h"
#include "gsa_map.h"
#include "gsa_text.h"
#include "msvc.h"
#include "skunkworks.h"
#include "vec2i.h"
#include "window.h"

11
include/msvc.h Normal file
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@ -0,0 +1,11 @@
#ifndef GUARD_61D02F9213AECDE4C71F56E08AEAB638
#define GUARD_61D02F9213AECDE4C71F56E08AEAB638
#ifdef _MSC_VER
#pragma comment(lib, "opengl32.lib")
#pragma comment(lib, "gdi32.lib")
#pragma comment(lib, "user32.lib")
#pragma comment(lib, "shell32.lib")
#endif
#endif /* GUARD_61D02F9213AECDE4C71F56E08AEAB638 */

7
include/skip.h
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@ -35,6 +35,7 @@
#ifndef GUARD_62F584E45B48B8F6069643FC44702ED5
#define GUARD_62F584E45B48B8F6069643FC44702ED5
#include "file.h"
#include "types.h"
struct sw_skip {
@ -52,6 +53,12 @@ struct sw_skip *sw_skip_create();
struct sw_skip *sw_skip_load(char *filename);
void sw_skip_destroy(struct sw_skip *skip);
void sw_skip_add(struct sw_skip *skip, u8 *data, u32 data_size, char *name);
void sw_skip_add_file(struct sw_skip *skip, char *name, char *filename);
void sw_skip_attach(struct sw_skip *skip, char *filename);
void sw_skip_dettach(char *filename);
/* returns 0 if file not avaible */
u8 *sw_skip_get(struct sw_skip *skip, char *name, u32 *out_size);
void sw_skip_save(struct sw_skip *skip, char *filename);
#endif /* GUARD_62F584E45B48B8F6069643FC44702ED5 */

4
include/skunkworks.h
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@ -7,10 +7,14 @@
#include "gamepad.h"
#include "image32.h"
#include "image8.h"
#include "skip.h"
#include "str.h"
#include "types.h"
#include "vec2i.h"
#include "window.h"
#include "msvc.h"
void sw_init();
#endif /* GUARD_9C1995B9551EFCCDC93F439C46AEF061 */

9
include/str.h Normal file
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@ -0,0 +1,9 @@
#ifndef GUARD_0941C997CB4D2297C8FEA1374912B5D1
#define GUARD_0941C997CB4D2297C8FEA1374912B5D1
char *sw_concat(char *a, char *b);
char *sw_concat3(char *a, char *b, char *c);
char *sw_concat4(char *a, char *b, char *c, char *d);
char *sw_strdup(char *str);
#endif /* GUARD_0941C997CB4D2297C8FEA1374912B5D1 */

13
meson.build
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@ -54,13 +54,16 @@ skunk_sources = [
'src/scaler.c',
'src/shader.c',
'src/shaders.c',
'src/skip.c',
'src/skunkworks.c',
'src/str.c',
'src/types.c',
'src/vec2i.c',
'src/window.c'
]
xxd = find_program('xxd')
cmd = find_program('cmd')
embed_gfx = custom_target('embed-gfx', input: ['gfx.png'], output: ['embed_gfx.h'],
command: [xxd, '-i', '@INPUT@', '@OUTPUT@'])
@ -75,6 +78,14 @@ if host_machine.system() == 'emscripten'
executable('skunktest', link_with: lib, include_directories: 'include', dependencies: deps, link_args: ['-lglfw', '-lGL', '-s', 'USE_GLFW=3'], name_suffix: 'html')
executable('gsa', 'examples/gsa_simple.c', embed_gfx, link_with: lib, include_directories: 'include', dependencies: deps, link_args: ['-lglfw', '-lGL', '-s', 'USE_GLFW=3', '-s', 'ALLOW_MEMORY_GROWTH', '-s', 'FULL_ES3'], name_suffix: 'html')
else
skip = executable('skip', 'tools/skip.c', link_with: lib, include_directories: 'include', dependencies: deps)
executable('skunktest', 'src/test.c', link_with: lib, include_directories: 'include', dependencies: deps)
executable('gsa', 'examples/gsa_simple.c', embed_gfx, link_with: lib, include_directories: 'include', dependencies: deps)
gsa = executable('gsa', 'examples/gsa_simple.c', embed_gfx, link_with: lib, include_directories: 'include', dependencies: deps)
# custom_target(
# 'gsa skip',
# input: gsa,
# output: 'fake',
# command: ['skip.exe', 'ca1', '..\src', gsa],
# build_by_default: true
# )
endif

16
src/gl.h
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@ -1,7 +1,17 @@
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Weverything"
// #pragma clang diagnostic push
#define GLEW_STATIC
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4224)
#include <GL/glew.h>
#pragma clang diagnostic pop
#pragma warning(pop)
#else
#include <GL/glew.h>
#endif
#include <GLFW/glfw3.h>
#ifdef __EMSCRIPTEN__

116
src/skip.c
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@ -2,6 +2,7 @@
#include "error.h"
#include "file.h"
#include "str.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -22,9 +23,13 @@ struct sw_skip *sw_skip_load(char *filename) {
u16 i;
char str[257];
u8 str_len;
u32 off;
skip = sw_skip_create();
fil = fopen(filename, "rb");
fseek(fil, -4, SEEK_END);
fread(&off, 4, 1, fil);
fseek(fil, -off, SEEK_END);
fread(magic, 1, 4, fil);
if(strcmp("SWZP", magic) != 0) {
@ -59,10 +64,15 @@ struct sw_skip *sw_skip_load(char *filename) {
strcpy(skip->files[i].name, str);
}
skip->data = malloc(skip->data_size);
fread(skip->data, 1, skip->data_size, fil);
fclose(fil);
return skip;
}
static void sw_skip_save_to(struct sw_skip *skip, FILE *fil);
void sw_skip_destroy(struct sw_skip *skip) {
i32 i;
@ -74,22 +84,106 @@ void sw_skip_destroy(struct sw_skip *skip) {
free(skip);
}
void sw_skip_save(struct sw_skip *skip, char *filename) {
FILE *fil;
u32 size;
u16 i;
void sw_skip_add(struct sw_skip *skip, u8 *data, u32 data_size, char *name) {
u32 off;
size = 0;
for(i = 0; i < skip->file_count; ++i) {
size += skip->files[i].size;
off = skip->data_size + 1;
skip->data_size += data_size;
skip->data = realloc(skip->data, skip->data_size);
memcpy(skip->data + off, data, data_size);
skip->file_count += 1;
skip->files =
realloc(skip->files, sizeof(skip->files[0]) * skip->file_count);
skip->files[skip->file_count - 1].name = sw_strdup(name);
skip->files[skip->file_count - 1].offset = off;
skip->files[skip->file_count - 1].size = data_size;
}
void sw_skip_add_file(struct sw_skip *skip, char *name, char *filename) {
FILE *fil;
u32 len;
u8 *data;
fil = fopen(filename, "rb");
fseek(fil, 0, SEEK_END);
len = ftell(fil);
fseek(fil, 0, SEEK_SET);
data = malloc(len);
fread(data, 1, len, fil);
fclose(fil);
sw_skip_add(skip, data, len, name);
free(data);
}
void sw_skip_attach(struct sw_skip *skip, char *filename) {
FILE *fil;
fil = fopen(filename, "rb+");
fseek(fil, 0, SEEK_END);
sw_skip_save_to(skip, fil);
}
void sw_skip_dettach(char *filename) {
FILE *fil;
char magic[5] = {0};
u32 off;
u32 len;
u8 *data;
fil = fopen(filename, "rb");
fseek(fil, -4, SEEK_END);
fread(&off, 4, 1, fil);
fseek(fil, -off, SEEK_END);
fread(magic, 1, 4, fil);
sw_log("magic: [%s]", magic);
sw_log("off: %i", off);
if(strcmp("SWZP", magic) == 0) {
sw_log("detaching .skip from %s", filename);
len = ftell(fil) - 4;
fseek(fil, 0, SEEK_SET);
data = malloc(len);
fread(data, 1, len, fil);
fclose(fil);
fil = fopen(filename, "wb");
fwrite(data, 1, len, fil);
}
fclose(fil);
}
u8 *sw_skip_get(struct sw_skip *skip, char *name, u32 *out_size) {
u32 i;
for(i = 0; i < skip->file_count; ++i) {
if(strcmp(name, skip->files[i].name) == 0) {
if(out_size) {
*out_size = skip->files[i].size;
}
return skip->data + skip->files[i].offset;
}
}
return 0;
}
void sw_skip_save(struct sw_skip *skip, char *filename) {
sw_skip_save_to(skip, fopen(filename, "wb"));
}
static void sw_skip_save_to(struct sw_skip *skip, FILE *fil) {
u16 i;
u32 start;
start = ftell(fil);
sw_fwrite_str_nozero(fil, "SWZP");
sw_fwrite_u8(fil, 0); /* version */
sw_fwrite_u8(fil, 0); /* compression */
sw_fwrite_u32(fil, size); /* uncompressed size */
sw_fwrite_u32(fil, size); /* compressed size */
sw_fwrite_u32(fil, skip->data_size); /* uncompressed size */
sw_fwrite_u32(fil, skip->data_size); /* compressed size */
sw_fwrite_u16(fil, skip->file_count); /* file count */
for(i = 0; i < skip->file_count; ++i) {
@ -98,7 +192,9 @@ void sw_skip_save(struct sw_skip *skip, char *filename) {
sw_fwrite_str_prefix8(fil, skip->files[i].name); /* file name */
}
sw_fwrite_u32(fil, ftell(fil) + 4); /* file length */
fwrite(skip->data, 1, skip->data_size, fil);
sw_fwrite_u32(fil, ftell(fil) + 4 - start); /* file length */
fclose(fil);
}

66
src/str.c Normal file
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@ -0,0 +1,66 @@
#include "str.h"
#include "types.h"
#include <stdlib.h>
#include <string.h>
char *sw_concat(char *a, char *b) {
char *str;
u32 len_a, len_b;
len_a = strlen(a);
len_b = strlen(b);
str = malloc(len_a + len_b + 1);
memcpy(str, a, len_a);
memcpy(str + len_a, b, len_b);
str[len_a + len_b] = 0;
return str;
}
char *sw_concat3(char *a, char *b, char *c) {
char *str;
u32 len_a, len_b, len_c;
len_a = strlen(a);
len_b = strlen(b);
len_c = strlen(c);
str = malloc(len_a + len_b + len_c + 1);
memcpy(str, a, len_a);
memcpy(str + len_a, b, len_b);
memcpy(str + len_a + len_b, c, len_c);
str[len_a + len_b + len_c] = 0;
return str;
}
char *sw_concat4(char *a, char *b, char *c, char *d) {
char *str;
u32 len_a, len_b, len_c, len_d;
len_a = strlen(a);
len_b = strlen(b);
len_c = strlen(c);
len_d = strlen(d);
str = malloc(len_a + len_b + len_c + len_d + 1);
memcpy(str, a, len_a);
memcpy(str + len_a, b, len_b);
memcpy(str + len_a + len_b, c, len_c);
memcpy(str + len_a + len_b + len_c, d, len_d);
str[len_a + len_b + len_c + len_d] = 0;
return str;
}
char *sw_strdup(char *str) {
char *out;
u32 len;
len = strlen(str) + 1;
out = malloc(len);
memcpy(out, str, len);
return out;
}

11
subprojects/glew-2.1.0/glew.pc Normal file
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@ -0,0 +1,11 @@
prefix=C:/Program Files (x86)/glew
exec_prefix=${prefix}
libdir=C:/Program Files (x86)/glew/lib
includedir=${prefix}/include
Name: glew
Description: The OpenGL Extension Wrangler library
Version: 2.1.0
Cflags: -I${includedir}
Libs: -L${libdir} -lglew32
Requires: glu

161
tools/skip.c Normal file
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@ -0,0 +1,161 @@
#include "skip.h"
#include "skunkworks.h"
#include "str.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define _AMD64_
#define WIN32_LEAN_AND_MEAN
#include <fileapi.h>
#include <minwinbase.h>
#include <windows.h>
static const char *usage = "Usage:\n\
skip x file.skip -- extracts file.skip into a directory called file\n\
skip c dir -- compresses contents of dir into dir.skip\n";
static struct sw_skip *skip;
void usage_and_exit() {
printf("%s", usage);
exit(0);
}
bool file_exists(char *dir) {
DWORD attrib = GetFileAttributes(dir);
return attrib != INVALID_FILE_ATTRIBUTES;
}
bool is_dir(char *dir) {
DWORD attrib = GetFileAttributes(dir);
return attrib != INVALID_FILE_ATTRIBUTES &&
attrib == FILE_ATTRIBUTE_DIRECTORY;
}
bool has_skip_ext(char *file) {
i32 len;
len = strlen(file);
file += len - 5;
return strcmp(file, ".skip") == 0;
}
char *remove_skip_ext(char *file) {
char *str;
i32 len;
len = strlen(file);
str = malloc(len - 4);
memcpy(str, file, len - 5);
str[len - 5] = 0;
return str;
}
char *add_skip_ext(char *file) {
char *str;
i32 len;
len = strlen(file);
str = malloc(len + 6);
memcpy(str, file, len);
memcpy(str + len, ".skip", 5);
str[len + 5] = 0;
return str;
}
void crawl(char *dst, char *part_path) {
WIN32_FIND_DATA data;
HANDLE find;
if(is_dir(dst)) {
char *dir;
char *path;
char *new_part_path;
dir = sw_concat(dst, "/*.*");
find = FindFirstFile(dir, &data);
do {
if(strcmp(data.cFileName, ".") != 0 &&
strcmp(data.cFileName, "..") != 0) {
path = sw_concat3(dst, "/", data.cFileName);
if(part_path) {
new_part_path = sw_concat3(part_path, "/", data.cFileName);
} else {
new_part_path = sw_strdup(data.cFileName);
}
crawl(path, new_part_path);
free(path);
free(new_part_path);
}
} while(FindNextFile(find, &data));
free(dir);
} else {
sw_skip_add_file(skip, part_path, dst);
}
}
int main(int argc, char *argv[]) {
printf("Skip v0.0\n");
if(argc < 3) {
usage_and_exit();
}
if(strcmp(argv[1], "x") == 0) {
/* TODO: implement */
sw_error("extracting not yet implemented");
/*
char *dst;
dst = remove_skip_ext(argv[2]);
skip = sw_skip_load(argv[2]);
if(file_exists(dst)) {
sw_error("destination %s already exists", dst);
}
for(i = 0; i < skip->file_count; ++i) {
}
*/
} else if(strcmp(argv[1], "c") == 0) {
char *filename;
skip = sw_skip_create();
if(!is_dir(argv[2])) {
sw_error("argument not a directory");
}
crawl(argv[2], 0);
filename = sw_concat(argv[2], ".skip");
sw_skip_save(skip, filename);
printf("%s created\n", filename);
free(filename);
} else if(strcmp(argv[1], "ca") == 0) {
skip = sw_skip_create();
if(!is_dir(argv[2])) {
sw_error("argument not a directory");
}
crawl(argv[2], 0);
sw_skip_attach(skip, argv[3]);
printf("skip data attached to %s\n", argv[3]);
} else if(strcmp(argv[1], "ca1") == 0) {
skip = sw_skip_create();
if(!is_dir(argv[2])) {
sw_error("argument not a directory");
}
crawl(argv[2], 0);
sw_skip_dettach(argv[3]);
sw_skip_attach(skip, argv[3]);
printf("skip data attached to %s\n", argv[3]);
} else {
usage_and_exit();
}
return 0;
}