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helpless/oogabooga/oogabooga.c
2024-07-01 13:10:06 +02:00

202 lines
4.2 KiB
C

#define DEBUG 0
#define VERY_DEBUG 1
#define RELEASE 2
#if !defined(CONFIGURATION)
#if defined(NDEBUG)
#define CONFIGURATION RELEASE
#else
#define CONFIGURATION DEBUG
#endif
#endif
#ifndef ENTRY_PROC
#define ENTRY_PROC entry
#endif
#define WINDOWS 0
#define LINUX 1
#define MACOS 2
// This needs to be included before dependencies
#include "base.c"
///
///
// Dependencies
///
#include <math.h>
Allocator get_heap_allocator();
// Custom allocators for lodepng
Allocator lodepng_allocator = {0};
void* lodepng_malloc(size_t size) {
if (lodepng_allocator.proc) return alloc(lodepng_allocator, size);
return alloc(get_heap_allocator(), size);
}
void* lodepng_realloc(void* ptr, size_t new_size) {
if (lodepng_allocator.proc) return lodepng_allocator.proc(new_size, ptr, ALLOCATOR_REALLOCATE, lodepng_allocator.data);
return get_heap_allocator().proc(new_size, ptr, ALLOCATOR_REALLOCATE, get_heap_allocator().data);
}
void lodepng_free(void* ptr) {
if (!ptr) return;
if (lodepng_allocator.proc) dealloc(lodepng_allocator, ptr);
else dealloc(get_heap_allocator(), ptr);
}
#define LODEPNG_NO_COMPILE_ALLOCATORS
//#define LODEPNG_NO_COMPILE_ANCILLARY_CHUNKS
#define LODEPNG_NO_COMPILE_DISK
#define LODEPNG_NO_COMPILE_ERROR_TEXT
#define LODEPNG_NO_COMPILE_ENCODER
// One day I might write my own png decoder so we don't even need this
#include "third_party/lodepng.h"
#include "third_party/lodepng.c"
/*
To decode a png file:
// 1. Read to memory
string path = fixed_string("my_image.png");
string png;
os_read_entire_file(path, &png);
// 2. Decode
u8 *image;
u32 width;
u32 height;
u32 error = lodepng_decode32(&image, &width, &height, png.data, png.count);
// Cleanup
dealloc_string(png);
dealloc(image);
*/
/////
#ifdef _WIN32
#include <Windows.h>
#define TARGET_OS WINDOWS
#define OS_PATHS_HAVE_BACKSLASH 1
#elif defined(__linux__)
// Include whatever #Incomplete #Portability
#define TARGET_OS LINUX
#error "Linux is not supported yet";
#define OS_PATHS_HAVE_BACKSLASH 0
#elif defined(__APPLE__) && defined(__MACH__)
// Include whatever #Incomplete #Portability
#define TARGET_OS MACOS
#error "Mac is not supported yet";
#define OS_PATHS_HAVE_BACKSLASH 1
#else
#error "Current OS not supported!";
#endif
#define GFX_RENDERER_D3D11 0
#define GFX_RENDERER_VULKAN 1
#define GFX_RENDERER_METAL 2
#ifndef GFX_RENDERER
// #Portability
#if TARGET_OS == WINDOWS
#define GFX_RENDERER GFX_RENDERER_D3D11
#elif TARGET_OS == LINUX
#define GFX_RENDERER GFX_RENDERER_VULKAN
#elif TARGET_OS == MACOS
#define GFX_RENDERER GFX_RENDERER_METAL
#endif
#endif
#include "string.c"
#include "unicode.c"
#include "string_format.c"
#include "path_utils.c"
#include "linmath.c"
#include "os_interface.c"
#include "gfx_interface.c"
// I hope whoever caused this @ microsoft is fired.
#ifdef near
#undef near
#endif
#ifdef far
#undef far
#endif
#include "random.c"
#include "memory.c"
#include "input.c"
#include "drawing.c"
// #Portability
#if GFX_RENDERER == GFX_RENDERER_D3D11
#include "gfx_impl_d3d11.c"
#elif GFX_RENDERER == GFX_RENDERER_VULKAN
#error "We only have a D3D11 renderer at the moment"
#elif GFX_RENDERER == GFX_RENDERER_METAL
#error "We only have a D3D11 renderer at the moment"
#elif GFX_RENDERER == GFX_RENDERER_LEGACY_OPENGL
#include "gfx_impl_legacy_opengl.c"
#else
#error "Unknown renderer GFX_RENDERER defined"
#endif
#if TARGET_OS == WINDOWS
#include "os_impl_windows.c"
#elif TARGET_OS == LINUX
#elif TARGET_OS == MACOS
#endif
#include "tests.c"
void oogabooga_init(u64 program_memory_size) {
context.logger = default_logger;
temp = get_initialization_allocator();
os_init(program_memory_size);
heap_init();
temporary_storage_init();
gfx_init();
}
#ifndef INITIAL_PROGRAM_MEMORY_SIZE
#define INITIAL_PROGRAM_MEMORY_SIZE (1024ULL * 1024ULL * 100ULL) // Start with 100mb program memory
#endif
#ifndef RUN_TESTS
#define RUN_TESTS 0
#endif
int ENTRY_PROC(int argc, char **argv);
int main(int argc, char **argv) {
oogabooga_init(INITIAL_PROGRAM_MEMORY_SIZE);
printf("Ooga booga program started\n");
// This can be disabled in build.c
#if RUN_TESTS
oogabooga_run_tests();
#endif
int code = ENTRY_PROC(argc, argv);
printf("Ooga booga program exit with code %i\n", code);
return code;
}