Bubel/bubel-ecs
2
0
Fork 0
Code Issues 1 Pull requests 2 Projects Releases Packages Wiki Activity Actions

-improved WASM compilation scripts

Browse source 
-added external bindbc.sdl import for WASM
-working on demos (WIP, working simple demo with ECS and SDL2)
-small change in ecs.std
This commit is contained in:
Mergul 2019-11-06 20:38:46 +01:00
parent a8c74d5045
commit 73f2aa6861
60 changed files with 9015 additions and 67 deletions
Download patch file Download diff file Expand all files Collapse all files

110
demos/simple/source/utils/utils.d Normal file
View file

@ -0,0 +1,110 @@
module utils.utils;
extern(C) int printf(scope const char* format, ...) @nogc nothrow @system;
version(WebAssembly)
{
extern (C) alias em_callback_func = void function();
extern (C) alias em_arg_callback_func = void function(void*);
extern (C) void emscripten_set_main_loop(em_callback_func func, int fps, int simulate_infinite_loop);
extern (C) void emscripten_set_main_loop_arg(em_arg_callback_func func, void *arg, int fps, int simulate_infinite_loop);
extern (C) int emscripten_set_main_loop_timing(int mode, int value);
extern (C) void emscripten_cancel_main_loop();
alias int time_t;
alias int clockid_t;
enum CLOCK_REALTIME = 0;
struct timespec
{
time_t tv_sec;
int tv_nsec;
}
extern(C) int clock_gettime(clockid_t, timespec*) @nogc nothrow @system;
struct Time
{
static long getUSecTime()
{
time_t time;
timespec spec;
clock_gettime(CLOCK_REALTIME, &spec);
//time = spec.tv_sec;
return spec.tv_sec * 1000_000 + spec.tv_nsec / 1000;//time / 1000_000;
/*LARGE_INTEGER time, freq;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&time);
return time.QuadPart / (freq.QuadPart / 1000_000);*/
}
}
}
else version(Windows)
{
import core.stdc.stdio : printf;
import core.sys.windows.windows;
struct Time
{
static long getUSecTime()
{
LARGE_INTEGER time, freq;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&time);
return time.QuadPart / (freq.QuadPart / 1000_000);
}
}
}
else version(Posix)
{
import core.stdc.stdio : printf;
import core.sys.posix.time;
struct Time
{
static long getUSecTime()
{
time_t time;
timespec spec;
clock_gettime(CLOCK_REALTIME, &spec);
//time = spec.tv_sec;
return spec.tv_sec * 1000_000 + spec.tv_nsec / 1000;//time / 1000_000;
/*LARGE_INTEGER time, freq;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&time);
return time.QuadPart / (freq.QuadPart / 1000_000);*/
}
}
}
import bindbc.sdl;
import utils.texture;
import ecs_utils.math.vector;
ivec2 resolution = ivec2(600, 400);
void draw(SDL_Renderer* renderer, Texture tex, vec2 pos, vec2 size, vec4 coords, float angle = 0)
{
SDL_Rect rect = SDL_Rect(cast(int)(coords.x*tex.data.size.x),cast(int)(coords.y*tex.data.size.y),cast(int)(coords.z*tex.data.size.x),cast(int)(coords.w*tex.data.size.y));
SDL_Rect rect2 = SDL_Rect(cast(int)((pos.x-size.x*0.5)),
cast(int)(resolution.y - pos.y - size.y*0.5),
cast(int)(size.x),
cast(int)(size.y));
SDL_RenderCopyEx(renderer,
tex.data.texture,
&rect,
&rect2,
angle*360,
null,
SDL_FLIP_NONE);
}