rust/lib-hedgewars-engine/src/lib.rs
author Wuzzy <Wuzzy2@mail.ru>
Sun, 07 Apr 2019 19:26:16 +0200
changeset 14755 ab7bf5036314
parent 14718 cc6ab1e3f7d5
child 14859 aed75d439027
permissions -rw-r--r--
Render mine timer if gear info is active
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
     1
pub mod instance;
14709
12db7e435ea6 move camera into engine
alfadur
parents: 14707
diff changeset
     2
pub mod ipc;
14340
97be4f6bf264 add render module 🦔
alfadur
parents: 14300
diff changeset
     3
mod render;
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
     4
mod world;
14276
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
     5
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
     6
use std::{
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
     7
    ffi::CString,
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
     8
    io::{Read, Write},
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
     9
    mem::replace,
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    10
    os::raw::{c_char, c_void},
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    11
};
14276
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    12
14718
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
    13
use integral_geometry::Point;
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
    14
14710
19122a329774 make world renderer optional + fmt
alfadur
parents: 14709
diff changeset
    15
use self::instance::EngineInstance;
14193
3b83ec44e10b pass hwrunner gl context into engine
alfadur
parents: 14174
diff changeset
    16
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    17
#[repr(C)]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    18
#[derive(Copy, Clone)]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    19
pub struct PreviewInfo {
14148
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    20
    width: u32,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    21
    height: u32,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    22
    hedgehogs_number: u8,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    23
    land: *const u8,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    24
}
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    25
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    26
#[no_mangle]
14375
ef2fc0210362 Rename protocol_version to hedgewars_engine_protocol_version to ensure use of correct library
unC0Rr
parents: 14340
diff changeset
    27
pub extern "C" fn hedgewars_engine_protocol_version() -> u32 {
ef2fc0210362 Rename protocol_version to hedgewars_engine_protocol_version to ensure use of correct library
unC0Rr
parents: 14340
diff changeset
    28
    58
14148
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    29
}
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    30
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    31
#[no_mangle]
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    32
pub extern "C" fn start_engine() -> *mut EngineInstance {
14276
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    33
    let engine_state = Box::new(EngineInstance::new());
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    34
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    35
    Box::leak(engine_state)
14148
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    36
}
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    37
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    38
#[no_mangle]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    39
pub extern "C" fn generate_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) {
14277
3152d9fdb499 - Move EngineInstance into a separate module
unC0Rr
parents: 14276
diff changeset
    40
    (*engine_state).process_ipc_queue();
3152d9fdb499 - Move EngineInstance into a separate module
unC0Rr
parents: 14276
diff changeset
    41
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    42
    (*engine_state).world.generate_preview();
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    43
14378
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    44
    if let Some(land_preview) = (*engine_state).world.preview() {
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    45
        *preview = PreviewInfo {
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    46
            width: land_preview.width() as u32,
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    47
            height: land_preview.height() as u32,
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    48
            hedgehogs_number: 0,
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    49
            land: land_preview.raw_pixels().as_ptr(),
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    50
        };
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    51
    }
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    52
}
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    53
14378
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    54
#[no_mangle]
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    55
pub extern "C" fn dispose_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) {
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14375
diff changeset
    56
    (*engine_state).world.dispose_preview();
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    57
}
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    58
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
    59
#[no_mangle]
14277
3152d9fdb499 - Move EngineInstance into a separate module
unC0Rr
parents: 14276
diff changeset
    60
pub extern "C" fn send_ipc(engine_state: &mut EngineInstance, buf: *const u8, size: usize) {
14276
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    61
    unsafe {
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    62
        (*engine_state)
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    63
            .ipc
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    64
            .write(std::slice::from_raw_parts(buf, size))
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    65
            .unwrap();
14276
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    66
    }
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    67
}
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    68
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    69
#[no_mangle]
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    70
pub extern "C" fn read_ipc(engine_state: &mut EngineInstance, buf: *mut u8, size: usize) -> usize {
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    71
    unsafe {
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    72
        (*engine_state)
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    73
            .ipc
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    74
            .read(std::slice::from_raw_parts_mut(buf, size))
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    75
            .unwrap_or(0)
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    76
    }
14276
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    77
}
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    78
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14260
diff changeset
    79
#[no_mangle]
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    80
pub extern "C" fn setup_current_gl_context(
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    81
    engine_state: &mut EngineInstance,
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    82
    width: u16,
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    83
    height: u16,
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
    84
    gl_loader: extern "C" fn(*const c_char) -> *const c_void,
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    85
) {
14711
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14710
diff changeset
    86
    gl::load_with(|name| {
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14710
diff changeset
    87
        let c_name = CString::new(name).unwrap();
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14710
diff changeset
    88
        gl_loader(c_name.as_ptr())
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14710
diff changeset
    89
    });
14712
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14711
diff changeset
    90
    unsafe {
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14711
diff changeset
    91
        gl::Viewport(0, 0, width as i32, height as i32);
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14711
diff changeset
    92
    }
14710
19122a329774 make world renderer optional + fmt
alfadur
parents: 14709
diff changeset
    93
    engine_state.world.create_renderer(width, height);
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    94
}
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    95
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    96
#[no_mangle]
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    97
pub extern "C" fn render_frame(engine_state: &mut EngineInstance) {
14712
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14711
diff changeset
    98
    engine_state.render()
14298
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
    99
}
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
   100
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14277
diff changeset
   101
#[no_mangle]
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
   102
pub extern "C" fn advance_simulation(engine_state: &mut EngineInstance, ticks: u32) -> bool {
14300
fd8e0e52d5bd add hwphysics to engine
alfadur
parents: 14299
diff changeset
   103
    engine_state.world.step();
fd8e0e52d5bd add hwphysics to engine
alfadur
parents: 14299
diff changeset
   104
    true
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
   105
}
14718
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   106
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   107
#[no_mangle]
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   108
pub extern "C" fn move_camera(engine_state: &mut EngineInstance, delta_x: i32, delta_y: i32) {
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   109
    engine_state
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   110
        .world
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   111
        .move_camera(Point::new(delta_x, delta_y), 0.0);
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   112
}
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14712
diff changeset
   113
14299
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14298
diff changeset
   114
#[no_mangle]
14158
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
   115
pub extern "C" fn cleanup(engine_state: *mut EngineInstance) {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
   116
    unsafe {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
   117
        Box::from_raw(engine_state);
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
   118
    }
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14148
diff changeset
   119
}