Fierelier/me.fier.engine
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Paul Blart

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This commit is contained in:
Fierelier 2023-05-15 15:28:58 +02:00
parent 378240a8cf
commit 1f51cea02c
8 changed files with 108 additions and 28 deletions
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30
assets/scripts/main.lua
View File

@ -13,7 +13,6 @@ void handleEvent(struct ENGINE_EVENT * event) {
frame = 0
frameSec = 0
lastSec = 0
iters = 0
function tick()
frame = frame + 1
frameSec = frameSec + 1
@ -22,22 +21,31 @@ function tick()
print("FPS: " ..tostring(frameSec))
lastSec = t
frameSec = 0
iters = iters + 1
if iters > 4 then os.exit() end
end
engine_window_present()
end
function handleEvent(event,eventData)
if eventData[1] == ENGINE_EVENT_TYPE_EXIT then
os.exit()
end
if eventData[1] == ENGINE_EVENT_TYPE_INPUT_KB then
for _,val in pairs(eventData) do
print(tostring(val))
end
end
end
while true do
event = engine_event_get()
--[[
if (event->type != ENGINE_EVENT_TYPE_NONE) {
handleEvent(event);
} else {
tick();
}
]]--
engine_free(event) -- We can't actually do anything with the event yet (no Lua implementation)
eventData = {engine_lua_event_get_data(event)}
if eventData[1] ~= ENGINE_EVENT_TYPE_NONE then
handleEvent(event,eventData)
else
tick()
end
engine_event_free(event)
engine_texture_render_2d(texture,math.random(-8,102),math.random(-8,72))
end

7
lua_translate
View File

@ -20,6 +20,7 @@ functionBlacklist = [
"engine_malloc"
]
statics = toml.loads(open("modules/engine/STATICS.toml").read())
functions = toml.loads(open("modules/engine/FUNCTIONS.toml").read())
ofile = open("modules/engine/lua.c","w")
@ -27,9 +28,9 @@ ofile.write('''\
#include <lua5.3/lua.h>
#include <lua5.3/lualib.h>
#include <lua5.3/lauxlib.h>
lua_State * engine_lua_state;
#include "lua_manual.c"
lua_State * engine_lua_state;
''')
for func in functions:
@ -70,6 +71,10 @@ void engine_lua_init() {
''')
for static in statics:
ofile.write('\tlua_pushinteger(engine_lua_state,' +static+ ');\n')
ofile.write('\tlua_setglobal(engine_lua_state,"' +static+ '");\n')
for func in functions:
if func in functionBlacklist: continue
funcnew = "engine_luaf_" +func.replace("engine_","",1)

6
modules/engine/FUNCTIONS.toml
View File

@ -57,6 +57,12 @@ arguments = []
argNames = []
description = "Get an event. If the type is ENGINE_EVENT_TYPE_NONE, there are no more events. Needs to be freed with engine_free()."
[engine_event_free]
type = "void"
arguments = ["struct ENGINE_EVENT *"]
argNames = ["event"]
description = "Free the event instance from memory."
# TEXTURES
[engine_texture_create]
type = "struct ENGINE_TEXTURE *"

19
modules/engine/STATICS.toml Normal file
View File

@ -0,0 +1,19 @@
[ENGINE_EVENT_TYPE_UNKNOWN]
type = "char"
value = 0
description = "Unknown event (not implemented)."
[ENGINE_EVENT_TYPE_NONE]
type = "char"
value = 1
description = "Signifies that no more events are in the queue."
[ENGINE_EVENT_TYPE_EXIT]
type = "char"
value = 2
description = "User has requested the application to exit."
[ENGINE_EVENT_TYPE_INPUT_KB]
type = "char"
value = 3
description = "A keyboard input has occured."

22
modules/engine/frontend/sdl/main.c
View File

@ -83,33 +83,33 @@ struct ENGINE_EVENT * engine_event_get() {
SDL_Event sdlevent;
if (!SDL_PollEvent(&sdlevent)) {
struct ENGINE_EVENT_NONE data;
struct ENGINE_EVENT_NONE * data = engine_malloc(NULL,sizeof(struct ENGINE_EVENT_NONE));
event->type = ENGINE_EVENT_TYPE_NONE;
event->data = &data;
event->data = data;
return event;
}
if (sdlevent.type == SDL_QUIT) {
struct ENGINE_EVENT_EXIT data;
struct ENGINE_EVENT_EXIT * data = engine_malloc(NULL,sizeof(struct ENGINE_EVENT_EXIT));;
event->type = ENGINE_EVENT_TYPE_EXIT;
event->data = &data;
event->data = data;
return event;
}
if (sdlevent.type == SDL_KEYDOWN || sdlevent.type == SDL_KEYUP) {
if (sdlevent.key.repeat != 0) { goto unknown; }
struct ENGINE_EVENT_INPUTKB data;
data.pressed = (sdlevent.type == SDL_KEYDOWN);
data.key = sdlevent.key.keysym.scancode;
event->type = ENGINE_EVENT_TYPE_INPUTKB;
event->data = &data;
struct ENGINE_EVENT_INPUT_KB * data = engine_malloc(NULL,sizeof(struct ENGINE_EVENT_INPUT_KB));
data->pressed = (sdlevent.type == SDL_KEYDOWN);
data->key = sdlevent.key.keysym.scancode;
event->type = ENGINE_EVENT_TYPE_INPUT_KB;
event->data = data;
return event;
}
unknown:
struct ENGINE_EVENT_UNKNOWN data;
struct ENGINE_EVENT_UNKNOWN * data = engine_malloc(NULL,sizeof(struct ENGINE_EVENT_INPUT_KB));
event->type = ENGINE_EVENT_TYPE_UNKNOWN;
event->data = &data;
event->data = data;
return event;
}

18
modules/engine/lua.c
View File

@ -1,9 +1,9 @@
#include <lua5.3/lua.h>
#include <lua5.3/lualib.h>
#include <lua5.3/lauxlib.h>
lua_State * engine_lua_state;
#include "lua_manual.c"
lua_State * engine_lua_state;
int engine_luaf_free(lua_State *L) {
void * ptr = lua_touserdata(L,1);
engine_free(ptr);
@ -57,6 +57,12 @@ int engine_luaf_event_get(lua_State *L) {
return 1;
}
int engine_luaf_event_free(lua_State *L) {
struct ENGINE_EVENT * event = lua_touserdata(L,1);
engine_event_free(event);
return 0;
}
int engine_luaf_texture_create(lua_State *L) {
int width = luaL_checkinteger(L,1);
int height = luaL_checkinteger(L,2);
@ -107,6 +113,14 @@ void engine_lua_init() {
engine_lua_state = luaL_newstate();
luaL_openlibs(engine_lua_state);
lua_pushinteger(engine_lua_state,ENGINE_EVENT_TYPE_UNKNOWN);
lua_setglobal(engine_lua_state,"ENGINE_EVENT_TYPE_UNKNOWN");
lua_pushinteger(engine_lua_state,ENGINE_EVENT_TYPE_NONE);
lua_setglobal(engine_lua_state,"ENGINE_EVENT_TYPE_NONE");
lua_pushinteger(engine_lua_state,ENGINE_EVENT_TYPE_EXIT);
lua_setglobal(engine_lua_state,"ENGINE_EVENT_TYPE_EXIT");
lua_pushinteger(engine_lua_state,ENGINE_EVENT_TYPE_INPUT_KB);
lua_setglobal(engine_lua_state,"ENGINE_EVENT_TYPE_INPUT_KB");
lua_pushcfunction(engine_lua_state,engine_luaf_free);
lua_setglobal (engine_lua_state,"engine_free");
lua_pushcfunction(engine_lua_state,engine_luaf_window_init);
@ -123,6 +137,8 @@ void engine_lua_init() {
lua_setglobal (engine_lua_state,"engine_time_sleep");
lua_pushcfunction(engine_lua_state,engine_luaf_event_get);
lua_setglobal (engine_lua_state,"engine_event_get");
lua_pushcfunction(engine_lua_state,engine_luaf_event_free);
lua_setglobal (engine_lua_state,"engine_event_free");
lua_pushcfunction(engine_lua_state,engine_luaf_texture_create);
lua_setglobal (engine_lua_state,"engine_texture_create");
lua_pushcfunction(engine_lua_state,engine_luaf_texture_color_set);

25
modules/engine/lua_manual.c
View File

@ -1,3 +1,24 @@
void engine_lua_init_manual() {
int engine_luaf_lua_event_get_data(lua_State *L) {
struct ENGINE_EVENT * event = lua_touserdata(L,1);
char type = event->type;
if (type == ENGINE_EVENT_TYPE_UNKNOWN) { goto simple; }
if (type == ENGINE_EVENT_TYPE_NONE) { goto simple; }
if (type == ENGINE_EVENT_TYPE_EXIT) { goto simple; }
if (type == ENGINE_EVENT_TYPE_INPUT_KB) {
struct ENGINE_EVENT_INPUT_KB * data = event->data;
lua_pushinteger(L,type);
lua_pushinteger(L,data->key);
lua_pushinteger(L,data->pressed);
return 3;
}
type = ENGINE_EVENT_TYPE_UNKNOWN;
simple:
lua_pushinteger(L,type);
return 1;
}
void engine_lua_init_manual() {
lua_pushcfunction(engine_lua_state,engine_luaf_lua_event_get_data);
lua_setglobal (engine_lua_state,"engine_lua_event_get_data");
}

9
modules/engine/main.c
View File

@ -5,8 +5,8 @@ static char ENGINE_EVENT_TYPE_NONE = 1;
struct ENGINE_EVENT_NONE { };
static char ENGINE_EVENT_TYPE_EXIT = 2;
struct ENGINE_EVENT_EXIT { };
static char ENGINE_EVENT_TYPE_INPUTKB = 3;
struct ENGINE_EVENT_INPUTKB { char key; char pressed; };
static char ENGINE_EVENT_TYPE_INPUT_KB = 3;
struct ENGINE_EVENT_INPUT_KB { char key; char pressed; };
void * engine_malloc(void * pnt,size_t size) {
void * mem = realloc(pnt,size);
@ -20,3 +20,8 @@ void * engine_malloc(void * pnt,size_t size) {
void engine_free(void *pnt) {
free(pnt);
}
void engine_event_free(struct ENGINE_EVENT * event) {
engine_free(event->data);
engine_free(event);
}