rust/lib-hedgewars-engine/src/lib.rs
author unc0rr
Sat, 12 Nov 2022 21:12:14 +0100
changeset 15891 d52f5d8e75e6
parent 15775 95402fa4e191
child 15893 5b3beb90e1a6
permissions -rw-r--r--
Allow passing data_path from QML
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
     1
pub mod instance;
14704
12db7e435ea6 move camera into engine
alfadur
parents: 14702
diff changeset
     2
pub mod ipc;
14335
97be4f6bf264 add render module 🦔
alfadur
parents: 14295
diff changeset
     3
mod render;
15775
95402fa4e191 move time out of physics
alfadur
parents: 15759
diff changeset
     4
mod time;
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
     5
mod world;
14271
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
     6
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
     7
use std::{
15891
d52f5d8e75e6 Allow passing data_path from QML
unc0rr
parents: 15775
diff changeset
     8
    ffi::{CString, CStr},
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
     9
    io::{Read, Write},
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
    10
    mem::replace,
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
    11
    os::raw::{c_char, c_void},
15891
d52f5d8e75e6 Allow passing data_path from QML
unc0rr
parents: 15775
diff changeset
    12
    path::Path,
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
    13
};
14271
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
    14
14713
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
    15
use integral_geometry::Point;
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
    16
14705
19122a329774 make world renderer optional + fmt
alfadur
parents: 14704
diff changeset
    17
use self::instance::EngineInstance;
14188
3b83ec44e10b pass hwrunner gl context into engine
alfadur
parents: 14169
diff changeset
    18
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    19
#[repr(C)]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    20
#[derive(Copy, Clone)]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    21
pub struct PreviewInfo {
14143
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    22
    width: u32,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    23
    height: u32,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    24
    hedgehogs_number: u8,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    25
    land: *const u8,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    26
}
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    27
14854
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    28
#[repr(C)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    29
#[derive(Debug, PartialEq, Clone)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    30
pub enum SimpleEventType {
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    31
    SwitchHedgehog,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    32
    Timer,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    33
    LongJump,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    34
    HighJump,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    35
    Accept,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    36
    Deny,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    37
}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    38
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    39
#[repr(C)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    40
#[derive(Debug, PartialEq, Clone)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    41
pub enum LongEventType {
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    42
    ArrowUp,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    43
    ArrowDown,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    44
    ArrowLeft,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    45
    ArrowRight,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    46
    Precision,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    47
    Attack,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    48
}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    49
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    50
#[repr(C)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    51
#[derive(Debug, PartialEq, Clone)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    52
pub enum LongEventState {
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    53
    Set,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    54
    Unset,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    55
}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    56
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    57
#[repr(C)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    58
#[derive(Debug, PartialEq, Clone)]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    59
pub enum PositionedEventType {
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    60
    CursorMove,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    61
    CursorClick,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    62
}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    63
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    64
#[no_mangle]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    65
pub extern "C" fn simple_event(engine_state: &mut EngineInstance, event_type: SimpleEventType) {}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    66
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    67
#[no_mangle]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    68
pub extern "C" fn long_event(
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    69
    engine_state: &mut EngineInstance,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    70
    event_type: LongEventType,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    71
    state: LongEventState,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    72
) {
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    73
    println!("{:?}: {:?}", event_type, state);
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    74
}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    75
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    76
#[no_mangle]
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    77
pub extern "C" fn positioned_event(
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    78
    engine_state: &mut EngineInstance,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    79
    event_type: PositionedEventType,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    80
    x: i32,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    81
    y: i32,
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    82
) {
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    83
}
aed75d439027 Implement external events approach to input user actions into engine.
unc0rr
parents: 14713
diff changeset
    84
14143
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    85
#[no_mangle]
14370
ef2fc0210362 Rename protocol_version to hedgewars_engine_protocol_version to ensure use of correct library
unC0Rr
parents: 14335
diff changeset
    86
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: 14335
diff changeset
    87
    58
14143
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    88
}
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    89
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    90
#[no_mangle]
15891
d52f5d8e75e6 Allow passing data_path from QML
unc0rr
parents: 15775
diff changeset
    91
pub extern "C" fn start_engine(data_path: *const i8) -> *mut EngineInstance {
d52f5d8e75e6 Allow passing data_path from QML
unc0rr
parents: 15775
diff changeset
    92
    let data_path: &str = unsafe { CStr::from_ptr(data_path) }.to_str().unwrap();
d52f5d8e75e6 Allow passing data_path from QML
unc0rr
parents: 15775
diff changeset
    93
d52f5d8e75e6 Allow passing data_path from QML
unc0rr
parents: 15775
diff changeset
    94
    let engine_state = Box::new(EngineInstance::new(Path::new(&data_path)));
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    95
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    96
    Box::leak(engine_state)
14143
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    97
}
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    98
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
    99
#[no_mangle]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   100
pub extern "C" fn generate_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) {
14272
3152d9fdb499 - Move EngineInstance into a separate module
unC0Rr
parents: 14271
diff changeset
   101
    (*engine_state).process_ipc_queue();
3152d9fdb499 - Move EngineInstance into a separate module
unC0Rr
parents: 14271
diff changeset
   102
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   103
    (*engine_state).world.generate_preview();
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   104
14373
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   105
    if let Some(land_preview) = (*engine_state).world.preview() {
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   106
        *preview = PreviewInfo {
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   107
            width: land_preview.width() as u32,
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   108
            height: land_preview.height() as u32,
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   109
            hedgehogs_number: 0,
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   110
            land: land_preview.raw_pixels().as_ptr(),
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   111
        };
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   112
    }
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   113
}
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   114
14373
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   115
#[no_mangle]
4409344db447 Rework EngineInstance::generatePreview, add preview cleanup function in enginelib
unC0Rr
parents: 14370
diff changeset
   116
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: 14370
diff changeset
   117
    (*engine_state).world.dispose_preview();
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   118
}
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   119
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   120
#[no_mangle]
14272
3152d9fdb499 - Move EngineInstance into a separate module
unC0Rr
parents: 14271
diff changeset
   121
pub extern "C" fn send_ipc(engine_state: &mut EngineInstance, buf: *const u8, size: usize) {
14271
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   122
    unsafe {
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   123
        (*engine_state)
15265
07e909ba4203 Implement ipc queue which takes care of message ordering and timestamps
unC0Rr
parents: 14854
diff changeset
   124
            .ipc_channel
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   125
            .write(std::slice::from_raw_parts(buf, size))
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   126
            .unwrap();
14271
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   127
    }
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   128
}
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   129
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   130
#[no_mangle]
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   131
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: 14293
diff changeset
   132
    unsafe {
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   133
        (*engine_state)
15265
07e909ba4203 Implement ipc queue which takes care of message ordering and timestamps
unC0Rr
parents: 14854
diff changeset
   134
            .ipc_channel
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   135
            .read(std::slice::from_raw_parts_mut(buf, size))
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   136
            .unwrap_or(0)
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   137
    }
14271
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   138
}
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   139
1aac8a62be6f Implement send_ipc and read_ipc in engine lib, send_ipc in frontend
unC0Rr
parents: 14255
diff changeset
   140
#[no_mangle]
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   141
pub extern "C" fn setup_current_gl_context(
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   142
    engine_state: &mut EngineInstance,
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   143
    width: u16,
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   144
    height: u16,
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   145
    gl_loader: extern "C" fn(*const c_char) -> *const c_void,
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   146
) {
14706
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14705
diff changeset
   147
    gl::load_with(|name| {
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14705
diff changeset
   148
        let c_name = CString::new(name).unwrap();
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14705
diff changeset
   149
        gl_loader(c_name.as_ptr())
88b0efba77b9 init gl in frontend interface
alfadur
parents: 14705
diff changeset
   150
    });
14707
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14706
diff changeset
   151
    unsafe {
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14706
diff changeset
   152
        gl::Viewport(0, 0, width as i32, height as i32);
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14706
diff changeset
   153
    }
14705
19122a329774 make world renderer optional + fmt
alfadur
parents: 14704
diff changeset
   154
    engine_state.world.create_renderer(width, height);
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   155
}
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   156
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   157
#[no_mangle]
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   158
pub extern "C" fn render_frame(engine_state: &mut EngineInstance) {
14707
5237b4c44d11 reeneble render from frontend
alfadur
parents: 14706
diff changeset
   159
    engine_state.render()
14293
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   160
}
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   161
b8871dd33ec4 add gfx setup ffi
alfadur
parents: 14272
diff changeset
   162
#[no_mangle]
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   163
pub extern "C" fn advance_simulation(engine_state: &mut EngineInstance, ticks: u32) -> bool {
14295
fd8e0e52d5bd add hwphysics to engine
alfadur
parents: 14294
diff changeset
   164
    engine_state.world.step();
fd8e0e52d5bd add hwphysics to engine
alfadur
parents: 14294
diff changeset
   165
    true
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   166
}
14713
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   167
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   168
#[no_mangle]
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   169
pub extern "C" fn move_camera(engine_state: &mut EngineInstance, delta_x: i32, delta_y: i32) {
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   170
    engine_state
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   171
        .world
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   172
        .move_camera(Point::new(delta_x, delta_y), 0.0);
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   173
}
cc6ab1e3f7d5 Allow to move camera around
unc0rr
parents: 14707
diff changeset
   174
14294
21be7838a127 Add advance_simulation() function to engine lib, some WIP on frontend
unc0rr
parents: 14293
diff changeset
   175
#[no_mangle]
14153
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   176
pub extern "C" fn cleanup(engine_state: *mut EngineInstance) {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   177
    unsafe {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   178
        Box::from_raw(engine_state);
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   179
    }
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14143
diff changeset
   180
}