4coder/platform_all/4ed_shared_init_logic.cpp

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/*
* Mr. 4th Dimention - Allen Webster
*
* 18.07.2017
*
* Shared logic for 4coder initialization.
*
*/
// TOP
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internal void
memory_init(){
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#if defined(FRED_INTERNAL)
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# if defined(FTECH_64_BIT)
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void *bases[] = { (void*)TB(1), (void*)TB(2), };
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# elif defined(FTECH_32_BIT)
void *bases[] = { (void*)MB(96), (void*)MB(512), };
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# endif
#else
void *bases[] = { (void*)0, (void*)0, };
#endif
memory_vars.vars_memory_size = MB(128);
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memory_vars.vars_memory = system_memory_allocate_extended(bases[0], memory_vars.vars_memory_size);
memory_vars.target_memory_size = MB(512);
memory_vars.target_memory = system_memory_allocate_extended(bases[1], memory_vars.target_memory_size);
memory_vars.user_memory_size = MB(32);
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memory_vars.user_memory = system_memory_allocate_extended(0, memory_vars.user_memory_size);
memory_vars.debug_memory_size = MB(512);
memory_vars.debug_memory = system_memory_allocate_extended(0, memory_vars.debug_memory_size);
i32 render_memsize = MB(1);
target.buffer = make_part(system_memory_allocate(render_memsize), render_memsize);
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b32 alloc_success = true;
if (memory_vars.vars_memory == 0 || memory_vars.target_memory == 0 || memory_vars.user_memory == 0 || target.buffer.base == 0){
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alloc_success = false;
}
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if (!alloc_success){
char msg[] = "Could not allocate sufficient memory. Please make sure you have atleast 512Mb of RAM free. (This requirement will be relaxed in the future).";
system_error_box(msg);
}
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}
internal void
load_app_code(void){
LOG("Loading 4coder core...");
App_Get_Functions *get_funcs = 0;
if (system_load_library(&libraries.app_code, "4ed_app", LoadLibrary_BinaryDirectory)){
get_funcs = (App_Get_Functions*)system_get_proc(&libraries.app_code, "app_get_functions");
}
else{
char msg[] = "Could not load '4ed_app." DLL "'. This file should be in the same directory as the main '4ed' executable.";
system_error_box(msg);
}
if (get_funcs != 0){
app = get_funcs();
}
else{
char msg[] = "Failed to get application code from '4ed_app." DLL "'.";
system_error_box(msg);
}
}
global char custom_fail_version_msg[] = "Failed to load custom code due to missing version information or a version mismatch. Try rebuilding with buildsuper.";
global char custom_fail_missing_get_bindings_msg[] = "Failed to load custom code due to missing 'get_bindings' symbol. Try rebuilding with buildsuper.";
internal void
load_custom_code(){
local_persist char *default_file = "custom_4coder";
local_persist Load_Library_Location locations[] = {
LoadLibrary_CurrentDirectory,
LoadLibrary_BinaryDirectory,
};
char *custom_files[3] = {};
if (plat_settings.custom_dll != 0){
custom_files[0] = plat_settings.custom_dll;
if (!plat_settings.custom_dll_is_strict){
custom_files[1] = default_file;
}
}
else{
custom_files[0] = default_file;
}
char success_file[4096];
b32 has_library = false;
for (u32 i = 0; custom_files[i] != 0 && !has_library; ++i){
char *file = custom_files[i];
for (u32 j = 0; j < ArrayCount(locations) && !has_library; ++j){
if (system_load_library(&libraries.custom, file, locations[j], success_file, sizeof(success_file))){
has_library = true;
success_file[sizeof(success_file) - 1] = 0;
}
}
}
if (!has_library){
system_error_box("Did not find a library for the custom layer.");
}
custom_api.get_alpha_4coder_version = (_Get_Version_Function*)
system_get_proc(&libraries.custom, "get_alpha_4coder_version");
if (custom_api.get_alpha_4coder_version == 0 || custom_api.get_alpha_4coder_version(MAJOR, MINOR, PATCH) == 0){
system_error_box(custom_fail_version_msg);
}
custom_api.get_bindings = (Get_Binding_Data_Function*)
system_get_proc(&libraries.custom, "get_bindings");
if (custom_api.get_bindings == 0){
system_error_box(custom_fail_missing_get_bindings_msg);
}
LOGF("Loaded custom file: %s\n", success_file);
}
internal void
read_command_line(i32 argc, char **argv){
LOG("Reading command line\n");
char cwd[4096];
u32 size = sysfunc.get_current_path(cwd, sizeof(cwd));
if (size == 0 || size >= sizeof(cwd)){
system_error_box("Could not get current directory at launch.");
}
String curdir = make_string_cap(cwd, size, sizeof(cwd));
terminate_with_null(&curdir);
replace_char(&curdir, '\\', '/');
char **files = 0;
i32 *file_count = 0;
app.read_command_line(&sysfunc, &memory_vars, curdir, &plat_settings, &files, &file_count, argc, argv);
sysshared_filter_real_files(files, file_count);
LOG("Read command line.\n");
}
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internal void
coroutines_init(){
init_coroutine_system(&coroutines);
umem size = COROUTINE_SLOT_SIZE*18;
void *mem = system_memory_allocate(size);
coroutine_system_provide_memory(&coroutines, mem, size);
coroutine_system_force_init(&coroutines, 4);
}
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// BOTTOM