assaultfish/engine/src/core.c
2026-01-12 01:54:35 +09:00

143 lines
3.1 KiB
C

#include <GearSrc/Core.h>
#include <GearSrc/Version.h>
#include <GearSrc/Log.h>
#include <GearSrc/Client.h>
#include <GearSrc/Server.h>
#include <GearSrc/GL.h>
#include <GearSrc/Resource.h>
#include <stb_ds.h>
void GSInit(void) {
GSVersion version;
GSVersionGet(&version);
GSLog(GSLogInfo, "GearSrc Engine %s", version.string);
gload_init();
}
int GSEngineRegisterResource(GSEngine engine, const char* name, const char* path) {
GSResource resource;
if((resource = GSResourceOpen(engine, path)) != NULL) {
shput(engine->resource, name, resource);
return 1;
}
return 0;
}
GSEngine GSEngineCreate(GSEngineParam* param) {
GSEngine engine = malloc(sizeof(*engine));
memset(engine, 0, sizeof(*engine));
engine->param = malloc(sizeof(*engine->param));
memcpy(engine->param, param, sizeof(*param));
engine->width = 1024;
engine->height = 768;
if(param->ready != NULL && param->client) {
param->ready(engine->width, engine->height);
}
sh_new_strdup(engine->resource);
GSEngineRegisterResource(engine, "base", "base.pak");
GSEngineRegisterResource(engine, "game", "game.pak");
if(engine != NULL && param->client && (engine->client = GSClientCreate(engine)) == NULL) {
GSLog(GSLogError, "Failed to create client");
GSEngineDestroy(engine);
engine = NULL;
}
if(engine != NULL && param->server && (engine->server = GSServerCreate(engine)) == NULL) {
GSLog(GSLogError, "Failed to create server");
GSEngineDestroy(engine);
engine = NULL;
}
if(engine == NULL) {
GSLog(GSLogError, "Failed to create engine");
}
return engine;
}
void GSEngineDestroy(GSEngine engine) {
int i;
for(i = 0; i < shlen(engine->resource); i++) {
GSResourceClose(engine->resource[i].value);
}
shfree(engine->resource);
if(engine->server != NULL) GSServerDestroy(engine->server);
if(engine->client != NULL) GSClientDestroy(engine->client);
if(engine->param != NULL) free(engine->param);
free(engine);
}
void GSEngineParamInit(GSEngineParam* param) {
memset(param, 0, sizeof(*param));
param->server = 0;
param->client = 1;
param->gl_swapbuffer = NULL;
param->ready = NULL;
param->sleep = NULL;
param->get_tick = NULL;
}
void GSEngineLoop(GSEngine engine) {
long t = 0;
int wait_actually = 0;
int more = 0;
long wait = 1000 / 50.0;
if(engine->param->sleep == NULL || engine->param->get_tick == NULL) {
GSLog(GSLogWarn, "sleep and/or get_tick parameter are missing!");
GSLog(GSLogWarn, "This will result game to be crazy fast!!!");
} else {
t = engine->param->get_tick();
wait_actually = 1;
}
while(1) {
if(engine->client != NULL) GSClientStep(engine->client);
if(engine->server != NULL) GSServerStep(engine->server);
if(engine->param->tick != NULL) engine->param->tick();
if(wait_actually) {
int diff = (wait - more) - (engine->param->get_tick() - t);
if(diff > 0) {
engine->param->sleep(diff);
}
more -= diff;
if(more < 0) more = 0;
t = engine->param->get_tick();
}
}
}
GSClient GSEngineGetClient(GSEngine engine) {
return engine->client;
}
GSServer GSEngineGetServer(GSEngine engine) {
return engine->server;
}