author | alfadur |
Fri, 22 Mar 2019 20:37:21 +0300 | |
changeset 14727 | 88b0efba77b9 |
parent 14726 | 19122a329774 |
child 14728 | 5237b4c44d11 |
permissions | -rw-r--r-- |
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pub mod instance; |
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pub mod ipc; |
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mod render; |
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mod world; |
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use std::{ |
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ffi::CString, |
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io::{Read, Write}, |
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mem::replace, |
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os::raw::{c_char, c_void}, |
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}; |
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use self::instance::EngineInstance; |
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#[repr(C)] |
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#[derive(Copy, Clone)] |
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pub struct PreviewInfo { |
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width: u32, |
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height: u32, |
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hedgehogs_number: u8, |
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land: *const u8, |
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} |
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#[no_mangle] |
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pub extern "C" fn hedgewars_engine_protocol_version() -> u32 { |
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58 |
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} |
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#[no_mangle] |
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pub extern "C" fn start_engine() -> *mut EngineInstance { |
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let engine_state = Box::new(EngineInstance::new()); |
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Box::leak(engine_state) |
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} |
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#[no_mangle] |
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pub extern "C" fn generate_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) { |
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(*engine_state).process_ipc_queue(); |
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(*engine_state).world.generate_preview(); |
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if let Some(land_preview) = (*engine_state).world.preview() { |
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*preview = PreviewInfo { |
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width: land_preview.width() as u32, |
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height: land_preview.height() as u32, |
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hedgehogs_number: 0, |
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land: land_preview.raw_pixels().as_ptr(), |
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}; |
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} |
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} |
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#[no_mangle] |
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pub extern "C" fn dispose_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) { |
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(*engine_state).world.dispose_preview(); |
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} |
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#[no_mangle] |
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pub extern "C" fn send_ipc(engine_state: &mut EngineInstance, buf: *const u8, size: usize) { |
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unsafe { |
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(*engine_state) |
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.ipc |
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.write(std::slice::from_raw_parts(buf, size)) |
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.unwrap(); |
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} |
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} |
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#[no_mangle] |
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pub extern "C" fn read_ipc(engine_state: &mut EngineInstance, buf: *mut u8, size: usize) -> usize { |
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unsafe { |
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(*engine_state) |
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.ipc |
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.read(std::slice::from_raw_parts_mut(buf, size)) |
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.unwrap_or(0) |
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} |
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} |
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#[no_mangle] |
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pub extern "C" fn setup_current_gl_context( |
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engine_state: &mut EngineInstance, |
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width: u16, |
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height: u16, |
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gl_loader: extern "C" fn(*const c_char) -> *const c_void, |
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) { |
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gl::load_with(|name| { |
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let c_name = CString::new(name).unwrap(); |
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gl_loader(c_name.as_ptr()) |
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}); |
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unsafe { gl::Viewport(0, 0, width as i32, height as i32); } |
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engine_state.world.create_renderer(width, height); |
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} |
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#[no_mangle] |
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pub extern "C" fn render_frame(engine_state: &mut EngineInstance) { |
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//engine_state.render() |
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} |
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#[no_mangle] |
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pub extern "C" fn advance_simulation(engine_state: &mut EngineInstance, ticks: u32) -> bool { |
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engine_state.world.step(); |
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true |
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} |
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#[no_mangle] |
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pub extern "C" fn cleanup(engine_state: *mut EngineInstance) { |
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unsafe { |
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Box::from_raw(engine_state); |
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} |
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} |